diff --git a/package-lock.json b/package-lock.json
index b8c3669..f3aacdc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,120 @@
         "@babel/highlight": "^7.0.0"
       }
     },
+    "@babel/compat-data": {
+      "version": "7.20.10",
+      "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.20.10.tgz",
+      "integrity": "sha512-sEnuDPpOJR/fcafHMjpcpGN5M2jbUGUHwmuWKM/YdPzeEDJg8bgmbcWQFUfE32MQjti1koACvoPVsDe8Uq+idg==",
+      "dev": true
+    },
+    "@babel/helper-compilation-targets": {
+      "version": "7.20.7",
+      "resolved": "https://registry.npmjs.org/@babel/helper-compilation-targets/-/helper-compilation-targets-7.20.7.tgz",
+      "integrity": "sha512-4tGORmfQcrc+bvrjb5y3dG9Mx1IOZjsHqQVUz7XCNHO+iTmqxWnVg3KRygjGmpRLJGdQSKuvFinbIb0CnZwHAQ==",
+      "dev": true,
+      "requires": {
+        "@babel/compat-data": "^7.20.5",
+        "@babel/helper-validator-option": "^7.18.6",
+        "browserslist": "^4.21.3",
+        "lru-cache": "^5.1.1",
+        "semver": "^6.3.0"
+      },
+      "dependencies": {
+        "lru-cache": {
+          "version": "5.1.1",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-5.1.1.tgz",
+          "integrity": "sha512-KpNARQA3Iwv+jTA0utUVVbrh+Jlrr1Fv0e56GGzAFOXN7dk/FviaDW8LHmK52DlcH4WP2n6gI8vN1aesBFgo9w==",
+          "dev": true,
+          "requires": {
+            "yallist": "^3.0.2"
+          }
+        },
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+          "dev": true
+        },
+        "yallist": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+          "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
+          "dev": true
+        }
+      }
+    },
+    "@babel/helper-define-polyfill-provider": {
+      "version": "0.3.3",
+      "resolved": "https://registry.npmjs.org/@babel/helper-define-polyfill-provider/-/helper-define-polyfill-provider-0.3.3.tgz",
+      "integrity": "sha512-z5aQKU4IzbqCC1XH0nAqfsFLMVSo22SBKUc0BxGrLkolTdPTructy0ToNnlO2zA4j9Q/7pjMZf0DSY+DSTYzww==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-compilation-targets": "^7.17.7",
+        "@babel/helper-plugin-utils": "^7.16.7",
+        "debug": "^4.1.1",
+        "lodash.debounce": "^4.0.8",
+        "resolve": "^1.14.2",
+        "semver": "^6.1.2"
+      },
+      "dependencies": {
+        "path-parse": {
+          "version": "1.0.7",
+          "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.7.tgz",
+          "integrity": "sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==",
+          "dev": true
+        },
+        "resolve": {
+          "version": "1.22.1",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.22.1.tgz",
+          "integrity": "sha512-nBpuuYuY5jFsli/JIs1oldw6fOQCBioohqWZg/2hiaOybXOft4lonv85uDOKXdf8rhyK159cxU5cDcK/NKk8zw==",
+          "dev": true,
+          "requires": {
+            "is-core-module": "^2.9.0",
+            "path-parse": "^1.0.7",
+            "supports-preserve-symlinks-flag": "^1.0.0"
+          }
+        },
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+          "dev": true
+        }
+      }
+    },
+    "@babel/helper-module-imports": {
+      "version": "7.18.6",
+      "resolved": "https://registry.npmjs.org/@babel/helper-module-imports/-/helper-module-imports-7.18.6.tgz",
+      "integrity": "sha512-0NFvs3VkuSYbFi1x2Vd6tKrywq+z/cLeYC/RJNFrIX/30Bf5aiGYbtvGXolEktzJH8o5E5KJ3tT+nkxuuZFVlA==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.18.6"
+      }
+    },
+    "@babel/helper-plugin-utils": {
+      "version": "7.20.2",
+      "resolved": "https://registry.npmjs.org/@babel/helper-plugin-utils/-/helper-plugin-utils-7.20.2.tgz",
+      "integrity": "sha512-8RvlJG2mj4huQ4pZ+rU9lqKi9ZKiRmuvGuM2HlWmkmgOhbs6zEAw6IEiJ5cQqGbDzGZOhwuOQNtZMi/ENLjZoQ==",
+      "dev": true
+    },
+    "@babel/helper-string-parser": {
+      "version": "7.19.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-string-parser/-/helper-string-parser-7.19.4.tgz",
+      "integrity": "sha512-nHtDoQcuqFmwYNYPz3Rah5ph2p8PFeFCsZk9A/48dPc/rGocJ5J3hAAZ7pb76VWX3fZKu+uEr/FhH5jLx7umrw==",
+      "dev": true
+    },
+    "@babel/helper-validator-identifier": {
+      "version": "7.19.1",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.19.1.tgz",
+      "integrity": "sha512-awrNfaMtnHUr653GgGEs++LlAvW6w+DcPrOliSMXWCKo597CwL5Acf/wWdNkf/tfEQE3mjkeD1YOVZOUV/od1w==",
+      "dev": true
+    },
+    "@babel/helper-validator-option": {
+      "version": "7.18.6",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-option/-/helper-validator-option-7.18.6.tgz",
+      "integrity": "sha512-XO7gESt5ouv/LRJdrVjkShckw6STTaB7l9BrpBaAHDeF5YZT+01PCwmR0SJHnkW6i8OwW/EVWRShfi4j2x+KQw==",
+      "dev": true
+    },
     "@babel/highlight": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz",
@@ -24,6 +138,54 @@
         "js-tokens": "^4.0.0"
       }
     },
+    "@babel/plugin-transform-runtime": {
+      "version": "7.19.6",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-runtime/-/plugin-transform-runtime-7.19.6.tgz",
+      "integrity": "sha512-PRH37lz4JU156lYFW1p8OxE5i7d6Sl/zV58ooyr+q1J1lnQPyg5tIiXlIwNVhJaY4W3TmOtdc8jqdXQcB1v5Yw==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-module-imports": "^7.18.6",
+        "@babel/helper-plugin-utils": "^7.19.0",
+        "babel-plugin-polyfill-corejs2": "^0.3.3",
+        "babel-plugin-polyfill-corejs3": "^0.6.0",
+        "babel-plugin-polyfill-regenerator": "^0.4.1",
+        "semver": "^6.3.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+          "dev": true
+        }
+      }
+    },
+    "@babel/runtime": {
+      "version": "7.20.7",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.20.7.tgz",
+      "integrity": "sha512-UF0tvkUtxwAgZ5W/KrkHf0Rn0fdnLDU9ScxBrEVNUprE/MzirjK4MJUX1/BVDv00Sv8cljtukVK1aky++X1SjQ==",
+      "dev": true,
+      "requires": {
+        "regenerator-runtime": "^0.13.11"
+      }
+    },
+    "@babel/types": {
+      "version": "7.20.7",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.20.7.tgz",
+      "integrity": "sha512-69OnhBxSSgK0OzTJai4kyPDiKTIe3j+ctaHdIGVbRahTLAT7L3R9oeXHC2aVSuGYt3cVnoAMDmOCgJ2yaiLMvg==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-string-parser": "^7.19.4",
+        "@babel/helper-validator-identifier": "^7.19.1",
+        "to-fast-properties": "^2.0.0"
+      }
+    },
+    "@metamask/safe-event-emitter": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@metamask/safe-event-emitter/-/safe-event-emitter-2.0.0.tgz",
+      "integrity": "sha512-/kSXhY692qiV1MXu6EeOZvg5nECLclxNXcKCxJ3cXQgYuRymRHpdx/t7JXfsK+JLjwA1e1c1/SBrlQYpusC29Q==",
+      "dev": true
+    },
     "@openzeppelin/test-helpers": {
       "version": "0.5.3",
       "resolved": "https://registry.npmjs.org/@openzeppelin/test-helpers/-/test-helpers-0.5.3.tgz",
@@ -1507,6 +1669,24 @@
       "integrity": "sha512-DT25xX/YgyPKiHFOpNuANIQIVvYEwCWXgK2jYYwqgaMrYE6+tq+DtmMwlD3drl6DJbUwtlIDnn0d7tIn/EbXBg==",
       "dev": true
     },
+    "@types/pbkdf2": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@types/pbkdf2/-/pbkdf2-3.1.0.tgz",
+      "integrity": "sha512-Cf63Rv7jCQ0LaL8tNXmEyqTHuIJxRdlS5vMh1mj5voN4+QFhVZnlZruezqpWYDiJ8UTzhP0VmeLXCmBk66YrMQ==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/secp256k1": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/@types/secp256k1/-/secp256k1-4.0.3.tgz",
+      "integrity": "sha512-Da66lEIFeIz9ltsdMZcpQvmrmmoqrfju8pm1BH8WbYjZSwUgCwXLb9C+9XYogwBITnbsSaMdVPb2ekf7TV+03w==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/underscore": {
       "version": "1.8.14",
       "resolved": "https://registry.npmjs.org/@types/underscore/-/underscore-1.8.14.tgz",
@@ -1662,12 +1842,20 @@
       "dev": true
     },
     "async": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.2.tgz",
-      "integrity": "sha512-H1qVYh1MYhEEFLsP97cVKqCGo7KfCyTt6uEWqsTBr9SO84oK9Uwbyd/yCW+6rKJLHksBNUVWZDAjfS+Ccx0Bbg==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "dev": true,
       "requires": {
-        "lodash": "^4.17.11"
+        "lodash": "^4.17.14"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.21",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
+          "dev": true
+        }
       }
     },
     "async-eventemitter": {
@@ -1685,6 +1873,23 @@
       "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==",
       "dev": true
     },
+    "async-mutex": {
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/async-mutex/-/async-mutex-0.2.6.tgz",
+      "integrity": "sha512-Hs4R+4SPgamu6rSGW8C7cV9gaWUKEHykfzCCvIRuaVv636Ju10ZdeUbvb4TBEW0INuq2DHZqXbK4Nd3yG4RaRw==",
+      "dev": true,
+      "requires": {
+        "tslib": "^2.0.0"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "2.4.1",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.1.tgz",
+          "integrity": "sha512-tGyy4dAjRIEwI7BzsB0lynWgOpfqjUdq91XXAlIWD2OwKBH7oCl/GZG/HT4BOHrTlPMOASlMQ7veyTqpmRcrNA==",
+          "dev": true
+        }
+      }
+    },
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -1713,798 +1918,138 @@
         "is-buffer": "^1.1.5"
       }
     },
-    "babel-code-frame": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
-      "integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
-      "dev": true,
-      "requires": {
-        "chalk": "^1.1.3",
-        "esutils": "^2.0.2",
-        "js-tokens": "^3.0.2"
-      },
-      "dependencies": {
-        "ansi-styles": {
-          "version": "2.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-          "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-          "dev": true
-        },
-        "chalk": {
-          "version": "1.1.3",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^2.2.1",
-            "escape-string-regexp": "^1.0.2",
-            "has-ansi": "^2.0.0",
-            "strip-ansi": "^3.0.0",
-            "supports-color": "^2.0.0"
-          }
-        },
-        "js-tokens": {
-          "version": "3.0.2",
-          "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-3.0.2.tgz",
-          "integrity": "sha1-mGbfOVECEw449/mWvOtlRDIJwls=",
-          "dev": true
-        },
-        "supports-color": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-          "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-          "dev": true
-        }
-      }
-    },
-    "babel-core": {
-      "version": "6.26.3",
-      "resolved": "https://registry.npmjs.org/babel-core/-/babel-core-6.26.3.tgz",
-      "integrity": "sha512-6jyFLuDmeidKmUEb3NM+/yawG0M2bDZ9Z1qbZP59cyHLz8kYGKYwpJP0UwUKKUiTRNvxfLesJnTedqczP7cTDA==",
-      "dev": true,
-      "requires": {
-        "babel-code-frame": "^6.26.0",
-        "babel-generator": "^6.26.0",
-        "babel-helpers": "^6.24.1",
-        "babel-messages": "^6.23.0",
-        "babel-register": "^6.26.0",
-        "babel-runtime": "^6.26.0",
-        "babel-template": "^6.26.0",
-        "babel-traverse": "^6.26.0",
-        "babel-types": "^6.26.0",
-        "babylon": "^6.18.0",
-        "convert-source-map": "^1.5.1",
-        "debug": "^2.6.9",
-        "json5": "^0.5.1",
-        "lodash": "^4.17.4",
-        "minimatch": "^3.0.4",
-        "path-is-absolute": "^1.0.1",
-        "private": "^0.1.8",
-        "slash": "^1.0.0",
-        "source-map": "^0.5.7"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
-          "dev": true
-        }
-      }
-    },
-    "babel-generator": {
-      "version": "6.26.1",
-      "resolved": "https://registry.npmjs.org/babel-generator/-/babel-generator-6.26.1.tgz",
-      "integrity": "sha512-HyfwY6ApZj7BYTcJURpM5tznulaBvyio7/0d4zFOeMPUmfxkCjHocCuoLa2SAGzBI8AREcH3eP3758F672DppA==",
+    "babel-plugin-polyfill-corejs2": {
+      "version": "0.3.3",
+      "resolved": "https://registry.npmjs.org/babel-plugin-polyfill-corejs2/-/babel-plugin-polyfill-corejs2-0.3.3.tgz",
+      "integrity": "sha512-8hOdmFYFSZhqg2C/JgLUQ+t52o5nirNwaWM2B9LWteozwIvM14VSwdsCAUET10qT+kmySAlseadmfeeSWFCy+Q==",
       "dev": true,
       "requires": {
-        "babel-messages": "^6.23.0",
-        "babel-runtime": "^6.26.0",
-        "babel-types": "^6.26.0",
-        "detect-indent": "^4.0.0",
-        "jsesc": "^1.3.0",
-        "lodash": "^4.17.4",
-        "source-map": "^0.5.7",
-        "trim-right": "^1.0.1"
+        "@babel/compat-data": "^7.17.7",
+        "@babel/helper-define-polyfill-provider": "^0.3.3",
+        "semver": "^6.1.1"
       },
       "dependencies": {
-        "jsesc": {
-          "version": "1.3.0",
-          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
-          "integrity": "sha1-RsP+yMGJKxKwgz25vHYiF226s0s=",
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
           "dev": true
         }
       }
     },
-    "babel-helper-builder-binary-assignment-operator-visitor": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-helper-builder-binary-assignment-operator-visitor/-/babel-helper-builder-binary-assignment-operator-visitor-6.24.1.tgz",
-      "integrity": "sha1-zORReto1b0IgvK6KAsKzRvmlZmQ=",
-      "dev": true,
-      "requires": {
-        "babel-helper-explode-assignable-expression": "^6.24.1",
-        "babel-runtime": "^6.22.0",
-        "babel-types": "^6.24.1"
-      }
-    },
-    "babel-helper-call-delegate": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-helper-call-delegate/-/babel-helper-call-delegate-6.24.1.tgz",
-      "integrity": "sha1-7Oaqzdx25Bw0YfiL/Fdb0Nqi340=",
-      "dev": true,
-      "requires": {
-        "babel-helper-hoist-variables": "^6.24.1",
-        "babel-runtime": "^6.22.0",
-        "babel-traverse": "^6.24.1",
-        "babel-types": "^6.24.1"
-      }
-    },
-    "babel-helper-define-map": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-helper-define-map/-/babel-helper-define-map-6.26.0.tgz",
-      "integrity": "sha1-pfVtq0GiX5fstJjH66ypgZ+Vvl8=",
+    "babel-plugin-polyfill-corejs3": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-polyfill-corejs3/-/babel-plugin-polyfill-corejs3-0.6.0.tgz",
+      "integrity": "sha512-+eHqR6OPcBhJOGgsIar7xoAB1GcSwVUA3XjAd7HJNzOXT4wv6/H7KIdA/Nc60cvUlDbKApmqNvD1B1bzOt4nyA==",
       "dev": true,
       "requires": {
-        "babel-helper-function-name": "^6.24.1",
-        "babel-runtime": "^6.26.0",
-        "babel-types": "^6.26.0",
-        "lodash": "^4.17.4"
+        "@babel/helper-define-polyfill-provider": "^0.3.3",
+        "core-js-compat": "^3.25.1"
       }
     },
-    "babel-helper-explode-assignable-expression": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-helper-explode-assignable-expression/-/babel-helper-explode-assignable-expression-6.24.1.tgz",
-      "integrity": "sha1-8luCz33BBDPFX3BZLVdGQArCLKo=",
+    "babel-plugin-polyfill-regenerator": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/babel-plugin-polyfill-regenerator/-/babel-plugin-polyfill-regenerator-0.4.1.tgz",
+      "integrity": "sha512-NtQGmyQDXjQqQ+IzRkBVwEOz9lQ4zxAQZgoAYEtU9dJjnl1Oc98qnN7jcp+bE7O7aYzVpavXE3/VKXNzUbh7aw==",
       "dev": true,
       "requires": {
-        "babel-runtime": "^6.22.0",
-        "babel-traverse": "^6.24.1",
-        "babel-types": "^6.24.1"
+        "@babel/helper-define-polyfill-provider": "^0.3.3"
       }
     },
-    "babel-helper-function-name": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-helper-function-name/-/babel-helper-function-name-6.24.1.tgz",
-      "integrity": "sha1-00dbjAPtmCQqJbSDUasYOZ01gKk=",
+    "backoff": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/backoff/-/backoff-2.5.0.tgz",
+      "integrity": "sha512-wC5ihrnUXmR2douXmXLCe5O3zg3GKIyvRi/hi58a/XyRxVI+3/yM0PYueQOZXPXQ9pxBislYkw+sF9b7C/RuMA==",
       "dev": true,
       "requires": {
-        "babel-helper-get-function-arity": "^6.24.1",
-        "babel-runtime": "^6.22.0",
-        "babel-template": "^6.24.1",
-        "babel-traverse": "^6.24.1",
-        "babel-types": "^6.24.1"
+        "precond": "0.2"
       }
     },
-    "babel-helper-get-function-arity": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-helper-get-function-arity/-/babel-helper-get-function-arity-6.24.1.tgz",
-      "integrity": "sha1-j3eCqpNAfEHTqlCQj4mwMbG2hT0=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0",
-        "babel-types": "^6.24.1"
-      }
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
     },
-    "babel-helper-hoist-variables": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-helper-hoist-variables/-/babel-helper-hoist-variables-6.24.1.tgz",
-      "integrity": "sha1-HssnaJydJVE+rbyZFKc/VAi+enY=",
+    "base-x": {
+      "version": "3.0.9",
+      "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.9.tgz",
+      "integrity": "sha512-H7JU6iBHTal1gp56aKoaa//YUxEaAOUiydvrV/pILqIHXTtqxSkATOnDA2u+jZ/61sD+L/412+7kzXRtWukhpQ==",
       "dev": true,
       "requires": {
-        "babel-runtime": "^6.22.0",
-        "babel-types": "^6.24.1"
+        "safe-buffer": "^5.0.1"
       }
     },
-    "babel-helper-optimise-call-expression": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-helper-optimise-call-expression/-/babel-helper-optimise-call-expression-6.24.1.tgz",
-      "integrity": "sha1-96E0J7qfc/j0+pk8VKl4gtEkQlc=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0",
-        "babel-types": "^6.24.1"
-      }
+    "base64-js": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.0.tgz",
+      "integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw==",
+      "dev": true
     },
-    "babel-helper-regex": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-helper-regex/-/babel-helper-regex-6.26.0.tgz",
-      "integrity": "sha1-MlxZ+QL4LyS3T6zu0DY5VPZJXnI=",
+    "bcrypt-pbkdf": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
+      "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
       "dev": true,
       "requires": {
-        "babel-runtime": "^6.26.0",
-        "babel-types": "^6.26.0",
-        "lodash": "^4.17.4"
+        "tweetnacl": "^0.14.3"
       }
     },
-    "babel-helper-remap-async-to-generator": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-helper-remap-async-to-generator/-/babel-helper-remap-async-to-generator-6.24.1.tgz",
-      "integrity": "sha1-XsWBgnrXI/7N04HxySg5BnbkVRs=",
-      "dev": true,
-      "requires": {
-        "babel-helper-function-name": "^6.24.1",
-        "babel-runtime": "^6.22.0",
-        "babel-template": "^6.24.1",
-        "babel-traverse": "^6.24.1",
-        "babel-types": "^6.24.1"
-      }
+    "bignumber.js": {
+      "version": "7.2.1",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-7.2.1.tgz",
+      "integrity": "sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ==",
+      "dev": true
     },
-    "babel-helper-replace-supers": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-helper-replace-supers/-/babel-helper-replace-supers-6.24.1.tgz",
-      "integrity": "sha1-v22/5Dk40XNpohPKiov3S2qQqxo=",
+    "bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
       "dev": true,
       "requires": {
-        "babel-helper-optimise-call-expression": "^6.24.1",
-        "babel-messages": "^6.23.0",
-        "babel-runtime": "^6.22.0",
-        "babel-template": "^6.24.1",
-        "babel-traverse": "^6.24.1",
-        "babel-types": "^6.24.1"
+        "file-uri-to-path": "1.0.0"
       }
     },
-    "babel-helpers": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-helpers/-/babel-helpers-6.24.1.tgz",
-      "integrity": "sha1-NHHenK7DiOXIUOWX5Yom3fN2ArI=",
+    "bip66": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/bip66/-/bip66-1.1.5.tgz",
+      "integrity": "sha1-AfqHSHhcpwlV1QESF9GzE5lpyiI=",
       "dev": true,
       "requires": {
-        "babel-runtime": "^6.22.0",
-        "babel-template": "^6.24.1"
+        "safe-buffer": "^5.0.1"
       }
     },
-    "babel-messages": {
-      "version": "6.23.0",
-      "resolved": "https://registry.npmjs.org/babel-messages/-/babel-messages-6.23.0.tgz",
-      "integrity": "sha1-8830cDhYA1sqKVHG7F7fbGLyYw4=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0"
-      }
+    "blakejs": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/blakejs/-/blakejs-1.2.1.tgz",
+      "integrity": "sha512-QXUSXI3QVc/gJME0dBpXrag1kbzOqCjCX8/b54ntNyW6sjtoqxqRk3LTmXzaJoh71zMsDCjM+47jS7XiwN/+fQ==",
+      "dev": true
     },
-    "babel-plugin-check-es2015-constants": {
-      "version": "6.22.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-check-es2015-constants/-/babel-plugin-check-es2015-constants-6.22.0.tgz",
-      "integrity": "sha1-NRV7EBQm/S/9PaP3XH0ekYNbv4o=",
+    "block-stream": {
+      "version": "0.0.9",
+      "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
+      "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
       "dev": true,
       "requires": {
-        "babel-runtime": "^6.22.0"
+        "inherits": "~2.0.0"
       }
     },
-    "babel-plugin-syntax-async-functions": {
-      "version": "6.13.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz",
-      "integrity": "sha1-ytnK0RkbWtY0vzCuCHI5HgZHvpU=",
-      "dev": true
-    },
-    "babel-plugin-syntax-exponentiation-operator": {
-      "version": "6.13.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz",
-      "integrity": "sha1-nufoM3KQ2pUoggGmpX9BcDF4MN4=",
+    "bluebird": {
+      "version": "3.5.4",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.4.tgz",
+      "integrity": "sha512-FG+nFEZChJrbQ9tIccIfZJBz3J7mLrAhxakAbnrJWn8d7aKOC+LWifa0G+p4ZqKp4y13T7juYvdhq9NzKdsrjw==",
       "dev": true
     },
-    "babel-plugin-syntax-trailing-function-commas": {
-      "version": "6.22.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-trailing-function-commas/-/babel-plugin-syntax-trailing-function-commas-6.22.0.tgz",
-      "integrity": "sha1-ugNgk3+NBuQBgKQ/4NVhb/9TLPM=",
+    "bn.js": {
+      "version": "4.11.8",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+      "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
       "dev": true
     },
-    "babel-plugin-transform-async-to-generator": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-async-to-generator/-/babel-plugin-transform-async-to-generator-6.24.1.tgz",
-      "integrity": "sha1-ZTbjeK/2yx1VF6wOQOs+n8jQh2E=",
-      "dev": true,
-      "requires": {
-        "babel-helper-remap-async-to-generator": "^6.24.1",
-        "babel-plugin-syntax-async-functions": "^6.8.0",
-        "babel-runtime": "^6.22.0"
-      }
-    },
-    "babel-plugin-transform-es2015-arrow-functions": {
-      "version": "6.22.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-arrow-functions/-/babel-plugin-transform-es2015-arrow-functions-6.22.0.tgz",
-      "integrity": "sha1-RSaSy3EdX3ncf4XkQM5BufJE0iE=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0"
-      }
-    },
-    "babel-plugin-transform-es2015-block-scoped-functions": {
-      "version": "6.22.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-block-scoped-functions/-/babel-plugin-transform-es2015-block-scoped-functions-6.22.0.tgz",
-      "integrity": "sha1-u8UbSflk1wy42OC5ToICRs46YUE=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0"
-      }
-    },
-    "babel-plugin-transform-es2015-block-scoping": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-block-scoping/-/babel-plugin-transform-es2015-block-scoping-6.26.0.tgz",
-      "integrity": "sha1-1w9SmcEwjQXBL0Y4E7CgnnOxiV8=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.26.0",
-        "babel-template": "^6.26.0",
-        "babel-traverse": "^6.26.0",
-        "babel-types": "^6.26.0",
-        "lodash": "^4.17.4"
-      }
-    },
-    "babel-plugin-transform-es2015-classes": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-classes/-/babel-plugin-transform-es2015-classes-6.24.1.tgz",
-      "integrity": "sha1-WkxYpQyclGHlZLSyo7+ryXolhNs=",
-      "dev": true,
-      "requires": {
-        "babel-helper-define-map": "^6.24.1",
-        "babel-helper-function-name": "^6.24.1",
-        "babel-helper-optimise-call-expression": "^6.24.1",
-        "babel-helper-replace-supers": "^6.24.1",
-        "babel-messages": "^6.23.0",
-        "babel-runtime": "^6.22.0",
-        "babel-template": "^6.24.1",
-        "babel-traverse": "^6.24.1",
-        "babel-types": "^6.24.1"
-      }
-    },
-    "babel-plugin-transform-es2015-computed-properties": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-computed-properties/-/babel-plugin-transform-es2015-computed-properties-6.24.1.tgz",
-      "integrity": "sha1-b+Ko0WiV1WNPTNmZttNICjCBWbM=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0",
-        "babel-template": "^6.24.1"
-      }
-    },
-    "babel-plugin-transform-es2015-destructuring": {
-      "version": "6.23.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-destructuring/-/babel-plugin-transform-es2015-destructuring-6.23.0.tgz",
-      "integrity": "sha1-mXux8auWf2gtKwh2/jWNYOdlxW0=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0"
-      }
-    },
-    "babel-plugin-transform-es2015-duplicate-keys": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-duplicate-keys/-/babel-plugin-transform-es2015-duplicate-keys-6.24.1.tgz",
-      "integrity": "sha1-c+s9MQypaePvnskcU3QabxV2Qj4=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0",
-        "babel-types": "^6.24.1"
-      }
-    },
-    "babel-plugin-transform-es2015-for-of": {
-      "version": "6.23.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-for-of/-/babel-plugin-transform-es2015-for-of-6.23.0.tgz",
-      "integrity": "sha1-9HyVsrYT3x0+zC/bdXNiPHUkhpE=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0"
-      }
-    },
-    "babel-plugin-transform-es2015-function-name": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-function-name/-/babel-plugin-transform-es2015-function-name-6.24.1.tgz",
-      "integrity": "sha1-g0yJhTvDaxrw86TF26qU/Y6sqos=",
-      "dev": true,
-      "requires": {
-        "babel-helper-function-name": "^6.24.1",
-        "babel-runtime": "^6.22.0",
-        "babel-types": "^6.24.1"
-      }
-    },
-    "babel-plugin-transform-es2015-literals": {
-      "version": "6.22.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-literals/-/babel-plugin-transform-es2015-literals-6.22.0.tgz",
-      "integrity": "sha1-T1SgLWzWbPkVKAAZox0xklN3yi4=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0"
-      }
-    },
-    "babel-plugin-transform-es2015-modules-amd": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-modules-amd/-/babel-plugin-transform-es2015-modules-amd-6.24.1.tgz",
-      "integrity": "sha1-Oz5UAXI5hC1tGcMBHEvS8AoA0VQ=",
-      "dev": true,
-      "requires": {
-        "babel-plugin-transform-es2015-modules-commonjs": "^6.24.1",
-        "babel-runtime": "^6.22.0",
-        "babel-template": "^6.24.1"
-      }
-    },
-    "babel-plugin-transform-es2015-modules-commonjs": {
-      "version": "6.26.2",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.26.2.tgz",
-      "integrity": "sha512-CV9ROOHEdrjcwhIaJNBGMBCodN+1cfkwtM1SbUHmvyy35KGT7fohbpOxkE2uLz1o6odKK2Ck/tz47z+VqQfi9Q==",
-      "dev": true,
-      "requires": {
-        "babel-plugin-transform-strict-mode": "^6.24.1",
-        "babel-runtime": "^6.26.0",
-        "babel-template": "^6.26.0",
-        "babel-types": "^6.26.0"
-      }
-    },
-    "babel-plugin-transform-es2015-modules-systemjs": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-modules-systemjs/-/babel-plugin-transform-es2015-modules-systemjs-6.24.1.tgz",
-      "integrity": "sha1-/4mhQrkRmpBhlfXxBuzzBdlAfSM=",
-      "dev": true,
-      "requires": {
-        "babel-helper-hoist-variables": "^6.24.1",
-        "babel-runtime": "^6.22.0",
-        "babel-template": "^6.24.1"
-      }
-    },
-    "babel-plugin-transform-es2015-modules-umd": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-modules-umd/-/babel-plugin-transform-es2015-modules-umd-6.24.1.tgz",
-      "integrity": "sha1-rJl+YoXNGO1hdq22B9YCNErThGg=",
-      "dev": true,
-      "requires": {
-        "babel-plugin-transform-es2015-modules-amd": "^6.24.1",
-        "babel-runtime": "^6.22.0",
-        "babel-template": "^6.24.1"
-      }
-    },
-    "babel-plugin-transform-es2015-object-super": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-object-super/-/babel-plugin-transform-es2015-object-super-6.24.1.tgz",
-      "integrity": "sha1-JM72muIcuDp/hgPa0CH1cusnj40=",
-      "dev": true,
-      "requires": {
-        "babel-helper-replace-supers": "^6.24.1",
-        "babel-runtime": "^6.22.0"
-      }
-    },
-    "babel-plugin-transform-es2015-parameters": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-parameters/-/babel-plugin-transform-es2015-parameters-6.24.1.tgz",
-      "integrity": "sha1-V6w1GrScrxSpfNE7CfZv3wpiXys=",
-      "dev": true,
-      "requires": {
-        "babel-helper-call-delegate": "^6.24.1",
-        "babel-helper-get-function-arity": "^6.24.1",
-        "babel-runtime": "^6.22.0",
-        "babel-template": "^6.24.1",
-        "babel-traverse": "^6.24.1",
-        "babel-types": "^6.24.1"
-      }
-    },
-    "babel-plugin-transform-es2015-shorthand-properties": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-shorthand-properties/-/babel-plugin-transform-es2015-shorthand-properties-6.24.1.tgz",
-      "integrity": "sha1-JPh11nIch2YbvZmkYi5R8U3jiqA=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0",
-        "babel-types": "^6.24.1"
-      }
-    },
-    "babel-plugin-transform-es2015-spread": {
-      "version": "6.22.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-spread/-/babel-plugin-transform-es2015-spread-6.22.0.tgz",
-      "integrity": "sha1-1taKmfia7cRTbIGlQujdnxdG+NE=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0"
-      }
-    },
-    "babel-plugin-transform-es2015-sticky-regex": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-sticky-regex/-/babel-plugin-transform-es2015-sticky-regex-6.24.1.tgz",
-      "integrity": "sha1-AMHNsaynERLN8M9hJsLta0V8zbw=",
-      "dev": true,
-      "requires": {
-        "babel-helper-regex": "^6.24.1",
-        "babel-runtime": "^6.22.0",
-        "babel-types": "^6.24.1"
-      }
-    },
-    "babel-plugin-transform-es2015-template-literals": {
-      "version": "6.22.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-template-literals/-/babel-plugin-transform-es2015-template-literals-6.22.0.tgz",
-      "integrity": "sha1-qEs0UPfp+PH2g51taH2oS7EjbY0=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0"
-      }
-    },
-    "babel-plugin-transform-es2015-typeof-symbol": {
-      "version": "6.23.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-typeof-symbol/-/babel-plugin-transform-es2015-typeof-symbol-6.23.0.tgz",
-      "integrity": "sha1-3sCfHN3/lLUqxz1QXITfWdzOs3I=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0"
-      }
-    },
-    "babel-plugin-transform-es2015-unicode-regex": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-unicode-regex/-/babel-plugin-transform-es2015-unicode-regex-6.24.1.tgz",
-      "integrity": "sha1-04sS9C6nMj9yk4fxinxa4frrNek=",
-      "dev": true,
-      "requires": {
-        "babel-helper-regex": "^6.24.1",
-        "babel-runtime": "^6.22.0",
-        "regexpu-core": "^2.0.0"
-      }
-    },
-    "babel-plugin-transform-exponentiation-operator": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-exponentiation-operator/-/babel-plugin-transform-exponentiation-operator-6.24.1.tgz",
-      "integrity": "sha1-KrDJx/MJj6SJB3cruBP+QejeOg4=",
-      "dev": true,
-      "requires": {
-        "babel-helper-builder-binary-assignment-operator-visitor": "^6.24.1",
-        "babel-plugin-syntax-exponentiation-operator": "^6.8.0",
-        "babel-runtime": "^6.22.0"
-      }
-    },
-    "babel-plugin-transform-regenerator": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-regenerator/-/babel-plugin-transform-regenerator-6.26.0.tgz",
-      "integrity": "sha1-4HA2lvveJ/Cj78rPi03KL3s6jy8=",
-      "dev": true,
-      "requires": {
-        "regenerator-transform": "^0.10.0"
-      }
-    },
-    "babel-plugin-transform-strict-mode": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-strict-mode/-/babel-plugin-transform-strict-mode-6.24.1.tgz",
-      "integrity": "sha1-1fr3qleKZbvlkc9e2uBKDGcCB1g=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.22.0",
-        "babel-types": "^6.24.1"
-      }
-    },
-    "babel-preset-env": {
-      "version": "1.7.0",
-      "resolved": "https://registry.npmjs.org/babel-preset-env/-/babel-preset-env-1.7.0.tgz",
-      "integrity": "sha512-9OR2afuKDneX2/q2EurSftUYM0xGu4O2D9adAhVfADDhrYDaxXV0rBbevVYoY9n6nyX1PmQW/0jtpJvUNr9CHg==",
-      "dev": true,
-      "requires": {
-        "babel-plugin-check-es2015-constants": "^6.22.0",
-        "babel-plugin-syntax-trailing-function-commas": "^6.22.0",
-        "babel-plugin-transform-async-to-generator": "^6.22.0",
-        "babel-plugin-transform-es2015-arrow-functions": "^6.22.0",
-        "babel-plugin-transform-es2015-block-scoped-functions": "^6.22.0",
-        "babel-plugin-transform-es2015-block-scoping": "^6.23.0",
-        "babel-plugin-transform-es2015-classes": "^6.23.0",
-        "babel-plugin-transform-es2015-computed-properties": "^6.22.0",
-        "babel-plugin-transform-es2015-destructuring": "^6.23.0",
-        "babel-plugin-transform-es2015-duplicate-keys": "^6.22.0",
-        "babel-plugin-transform-es2015-for-of": "^6.23.0",
-        "babel-plugin-transform-es2015-function-name": "^6.22.0",
-        "babel-plugin-transform-es2015-literals": "^6.22.0",
-        "babel-plugin-transform-es2015-modules-amd": "^6.22.0",
-        "babel-plugin-transform-es2015-modules-commonjs": "^6.23.0",
-        "babel-plugin-transform-es2015-modules-systemjs": "^6.23.0",
-        "babel-plugin-transform-es2015-modules-umd": "^6.23.0",
-        "babel-plugin-transform-es2015-object-super": "^6.22.0",
-        "babel-plugin-transform-es2015-parameters": "^6.23.0",
-        "babel-plugin-transform-es2015-shorthand-properties": "^6.22.0",
-        "babel-plugin-transform-es2015-spread": "^6.22.0",
-        "babel-plugin-transform-es2015-sticky-regex": "^6.22.0",
-        "babel-plugin-transform-es2015-template-literals": "^6.22.0",
-        "babel-plugin-transform-es2015-typeof-symbol": "^6.23.0",
-        "babel-plugin-transform-es2015-unicode-regex": "^6.22.0",
-        "babel-plugin-transform-exponentiation-operator": "^6.22.0",
-        "babel-plugin-transform-regenerator": "^6.22.0",
-        "browserslist": "^3.2.6",
-        "invariant": "^2.2.2",
-        "semver": "^5.3.0"
-      }
-    },
-    "babel-register": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-register/-/babel-register-6.26.0.tgz",
-      "integrity": "sha1-btAhFz4vy0htestFxgCahW9kcHE=",
-      "dev": true,
-      "requires": {
-        "babel-core": "^6.26.0",
-        "babel-runtime": "^6.26.0",
-        "core-js": "^2.5.0",
-        "home-or-tmp": "^2.0.0",
-        "lodash": "^4.17.4",
-        "mkdirp": "^0.5.1",
-        "source-map-support": "^0.4.15"
-      }
-    },
-    "babel-runtime": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
-      "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
-      "dev": true,
-      "requires": {
-        "core-js": "^2.4.0",
-        "regenerator-runtime": "^0.11.0"
-      }
-    },
-    "babel-template": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-template/-/babel-template-6.26.0.tgz",
-      "integrity": "sha1-3gPi0WOWsGn0bdn/+FIfsaDjXgI=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.26.0",
-        "babel-traverse": "^6.26.0",
-        "babel-types": "^6.26.0",
-        "babylon": "^6.18.0",
-        "lodash": "^4.17.4"
-      }
-    },
-    "babel-traverse": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-traverse/-/babel-traverse-6.26.0.tgz",
-      "integrity": "sha1-RqnL1+3MYsjlwGTi0tjQ9ANXZu4=",
-      "dev": true,
-      "requires": {
-        "babel-code-frame": "^6.26.0",
-        "babel-messages": "^6.23.0",
-        "babel-runtime": "^6.26.0",
-        "babel-types": "^6.26.0",
-        "babylon": "^6.18.0",
-        "debug": "^2.6.8",
-        "globals": "^9.18.0",
-        "invariant": "^2.2.2",
-        "lodash": "^4.17.4"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "globals": {
-          "version": "9.18.0",
-          "resolved": "https://registry.npmjs.org/globals/-/globals-9.18.0.tgz",
-          "integrity": "sha512-S0nG3CLEQiY/ILxqtztTWH/3iRRdyBLw6KMDxnKMchrtbj2OFmehVh0WUCfW3DUrIgx/qFrJPICrq4Z4sTR9UQ==",
-          "dev": true
-        },
-        "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
-          "dev": true
-        }
-      }
-    },
-    "babel-types": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.26.0.tgz",
-      "integrity": "sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.26.0",
-        "esutils": "^2.0.2",
-        "lodash": "^4.17.4",
-        "to-fast-properties": "^1.0.3"
-      }
-    },
-    "babelify": {
-      "version": "7.3.0",
-      "resolved": "https://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
-      "integrity": "sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=",
-      "dev": true,
-      "requires": {
-        "babel-core": "^6.0.14",
-        "object-assign": "^4.0.0"
-      }
-    },
-    "babylon": {
-      "version": "6.18.0",
-      "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
-      "integrity": "sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==",
-      "dev": true
-    },
-    "backoff": {
-      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/backoff/-/backoff-2.5.0.tgz",
-      "integrity": "sha1-9hbtqdPktmuMp/ynn2lXIsX44m8=",
-      "dev": true,
-      "requires": {
-        "precond": "0.2"
-      }
-    },
-    "balanced-match": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
-      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
-      "dev": true
-    },
-    "base-x": {
-      "version": "3.0.5",
-      "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.5.tgz",
-      "integrity": "sha512-C3picSgzPSLE+jW3tcBzJoGwitOtazb5B+5YmAxZm2ybmTi9LNgAtDO/jjVEBZwHoXmDBZ9m/IELj3elJVRBcA==",
-      "dev": true,
-      "requires": {
-        "safe-buffer": "^5.0.1"
-      }
-    },
-    "base64-js": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.0.tgz",
-      "integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw==",
-      "dev": true
-    },
-    "bcrypt-pbkdf": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
-      "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
-      "dev": true,
-      "requires": {
-        "tweetnacl": "^0.14.3"
-      }
-    },
-    "bignumber.js": {
-      "version": "7.2.1",
-      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-7.2.1.tgz",
-      "integrity": "sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ==",
-      "dev": true
-    },
-    "bindings": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
-      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
-      "dev": true,
-      "requires": {
-        "file-uri-to-path": "1.0.0"
-      }
-    },
-    "bip66": {
-      "version": "1.1.5",
-      "resolved": "https://registry.npmjs.org/bip66/-/bip66-1.1.5.tgz",
-      "integrity": "sha1-AfqHSHhcpwlV1QESF9GzE5lpyiI=",
-      "dev": true,
-      "requires": {
-        "safe-buffer": "^5.0.1"
-      }
-    },
-    "block-stream": {
-      "version": "0.0.9",
-      "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
-      "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
-      "dev": true,
-      "requires": {
-        "inherits": "~2.0.0"
-      }
-    },
-    "bluebird": {
-      "version": "3.5.4",
-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.4.tgz",
-      "integrity": "sha512-FG+nFEZChJrbQ9tIccIfZJBz3J7mLrAhxakAbnrJWn8d7aKOC+LWifa0G+p4ZqKp4y13T7juYvdhq9NzKdsrjw==",
-      "dev": true
-    },
-    "bn.js": {
-      "version": "4.11.8",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
-      "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
-      "dev": true
-    },
-    "body-parser": {
-      "version": "1.18.3",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.3.tgz",
-      "integrity": "sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=",
+    "body-parser": {
+      "version": "1.18.3",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.3.tgz",
+      "integrity": "sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=",
       "dev": true,
       "requires": {
         "bytes": "3.0.0",
@@ -2640,19 +2185,21 @@
       }
     },
     "browserslist": {
-      "version": "3.2.8",
-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-3.2.8.tgz",
-      "integrity": "sha512-WHVocJYavUwVgVViC0ORikPHQquXwVh939TaelZ4WDqpWgTX/FsGhl/+P4qBUAGcRvtOgDgC+xftNWWp2RUTAQ==",
+      "version": "4.21.4",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.21.4.tgz",
+      "integrity": "sha512-CBHJJdDmgjl3daYjN5Cp5kbTf1mUhZoS+beLklHIvkOWscs83YAhLlF3Wsh/lciQYAcbBJgTOD44VtG31ZM4Hw==",
       "dev": true,
       "requires": {
-        "caniuse-lite": "^1.0.30000844",
-        "electron-to-chromium": "^1.3.47"
+        "caniuse-lite": "^1.0.30001400",
+        "electron-to-chromium": "^1.4.251",
+        "node-releases": "^2.0.6",
+        "update-browserslist-db": "^1.0.9"
       }
     },
     "bs58": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/bs58/-/bs58-4.0.1.tgz",
-      "integrity": "sha1-vhYedsNU9veIrkBx9j806MTwpCo=",
+      "integrity": "sha512-Ok3Wdf5vOIlBrgCvTq96gBkJw+JUEzdBgyaza5HLtPm7yTHkjRy8+JzNyHF7BHa0bNWOQIp3m5YF0nnFcOIKLw==",
       "dev": true,
       "requires": {
         "base-x": "^3.0.2"
@@ -2669,6 +2216,12 @@
         "safe-buffer": "^5.1.2"
       }
     },
+    "btoa": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/btoa/-/btoa-1.2.1.tgz",
+      "integrity": "sha512-SB4/MIGlsiVkMcHmT+pSmIPoNDoHg+7cMzmt3Uxt628MTz2487DKSqK/fuhFBrkuqrYv5UCEnACpF4dTFNKc/g==",
+      "dev": true
+    },
     "buffer": {
       "version": "5.2.1",
       "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.2.1.tgz",
@@ -2707,12 +2260,6 @@
       "integrity": "sha1-+PeLdniYiO858gXNY39o5wISKyw=",
       "dev": true
     },
-    "buffer-from": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
-      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==",
-      "dev": true
-    },
     "buffer-to-arraybuffer": {
       "version": "0.0.5",
       "resolved": "https://registry.npmjs.org/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.5.tgz",
@@ -2794,9 +2341,9 @@
       "dev": true
     },
     "caniuse-lite": {
-      "version": "1.0.30000957",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000957.tgz",
-      "integrity": "sha512-8wxNrjAzyiHcLXN/iunskqQnJquQQ6VX8JHfW5kLgAPRSiSuKZiNfmIkP5j7jgyXqAQBSoXyJxfnbCFS0ThSiQ==",
+      "version": "1.0.30001441",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001441.tgz",
+      "integrity": "sha512-OyxRR4Vof59I3yGWXws6i908EtGbMzVUi3ganaZQHmydk1iwDhRnvaPG2WaR0KcqrDFKrxVZHULT396LEPhXfg==",
       "dev": true
     },
     "caseless": {
@@ -2877,7 +2424,7 @@
     "checkpoint-store": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/checkpoint-store/-/checkpoint-store-1.1.0.tgz",
-      "integrity": "sha1-BOTLUWuRQziTWB5tRgGnjpVS6gY=",
+      "integrity": "sha512-J/NdY2WvIx654cc6LWSq/IYFFCUf75fFTgwzFnmbqyORH4MwgiQCgswLLKBGzmsyTI5V7i5bp/So6sMbDWhedg==",
       "dev": true,
       "requires": {
         "functional-red-black-tree": "^1.0.1"
@@ -2951,7 +2498,7 @@
     "clone": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/clone/-/clone-2.1.2.tgz",
-      "integrity": "sha1-G39Ln1kfHo+DZwQBYANFoCiHQ18=",
+      "integrity": "sha512-3Pe/CF1Nn94hyhIYpjtiLhdCoEoz0DqQ+988E9gmeEdQZlojxnOb74wctFyuwWQHzqyf9X7C7MG8juUpqBJT8w==",
       "dev": true
     },
     "clone-response": {
@@ -2969,24 +2516,6 @@
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
       "dev": true
     },
-    "coinstring": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/coinstring/-/coinstring-2.3.0.tgz",
-      "integrity": "sha1-zbYzY6lhUCQEolr7gsLibV/2J6Q=",
-      "dev": true,
-      "requires": {
-        "bs58": "^2.0.1",
-        "create-hash": "^1.1.1"
-      },
-      "dependencies": {
-        "bs58": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/bs58/-/bs58-2.0.1.tgz",
-          "integrity": "sha1-VZCNWPGYKrogCPob7Y+RmYopv40=",
-          "dev": true
-        }
-      }
-    },
     "color-convert": {
       "version": "1.9.3",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
@@ -3023,18 +2552,6 @@
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
       "dev": true
     },
-    "concat-stream": {
-      "version": "1.6.2",
-      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
-      "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
-      "dev": true,
-      "requires": {
-        "buffer-from": "^1.0.0",
-        "inherits": "^2.0.3",
-        "readable-stream": "^2.2.2",
-        "typedarray": "^0.0.6"
-      }
-    },
     "concurrently": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/concurrently/-/concurrently-4.1.0.tgz",
@@ -3227,15 +2744,6 @@
       "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==",
       "dev": true
     },
-    "convert-source-map": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.6.0.tgz",
-      "integrity": "sha512-eFu7XigvxdZ1ETfbgPBohgyQ/Z++C0eEhTor0qRwBw9unw+L0/6V8wkSuGgzdThkiS5lSpdptOQPD8Ak40a+7A==",
-      "dev": true,
-      "requires": {
-        "safe-buffer": "~5.1.1"
-      }
-    },
     "cookie": {
       "version": "0.3.1",
       "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
@@ -3260,6 +2768,15 @@
       "integrity": "sha512-klh/kDpwX8hryYL14M9w/xei6vrv6sE8gTHDG7/T/+SEovB/G4ejwcfE/CBzO6Edsu+OETZMZ3wcX/EjUkrl5A==",
       "dev": true
     },
+    "core-js-compat": {
+      "version": "3.27.1",
+      "resolved": "https://registry.npmjs.org/core-js-compat/-/core-js-compat-3.27.1.tgz",
+      "integrity": "sha512-Dg91JFeCDA17FKnneN7oCMz4BkQ4TcffkgHP4OWwp9yx3pi7ubqMDXXSacfNak1PQqjc95skyt+YBLHQJnkJwA==",
+      "dev": true,
+      "requires": {
+        "browserslist": "^4.21.4"
+      }
+    },
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
@@ -3326,13 +2843,13 @@
       }
     },
     "cross-fetch": {
-      "version": "2.2.3",
-      "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-2.2.3.tgz",
-      "integrity": "sha512-PrWWNH3yL2NYIb/7WF/5vFG3DCQiXDOVf8k3ijatbrtnwNuhMWLC7YF7uqf53tbTFDzHIUD8oITw4Bxt8ST3Nw==",
+      "version": "2.2.6",
+      "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-2.2.6.tgz",
+      "integrity": "sha512-9JZz+vXCmfKUZ68zAptS7k4Nu8e2qcibe7WVZYps7sAgk5R8GYTc+T1WR0v1rlP9HxgARmOX1UTIJZFytajpNA==",
       "dev": true,
       "requires": {
-        "node-fetch": "2.1.2",
-        "whatwg-fetch": "2.0.4"
+        "node-fetch": "^2.6.7",
+        "whatwg-fetch": "^2.0.4"
       }
     },
     "cross-spawn": {
@@ -3564,12 +3081,6 @@
         "type-detect": "^4.0.0"
       }
     },
-    "deep-equal": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-1.0.1.tgz",
-      "integrity": "sha1-9dJgKStmDghO/0zbyfCK0yR0SLU=",
-      "dev": true
-    },
     "deep-is": {
       "version": "0.1.3",
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz",
@@ -3608,12 +3119,6 @@
         }
       }
     },
-    "defined": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/defined/-/defined-1.0.0.tgz",
-      "integrity": "sha1-yY2bzvdWdBiOEQlpFRGZ45sfppM=",
-      "dev": true
-    },
     "delayed-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
@@ -3648,15 +3153,6 @@
       "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=",
       "dev": true
     },
-    "detect-indent": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/detect-indent/-/detect-indent-4.0.0.tgz",
-      "integrity": "sha1-920GQ1LN9Docts5hnE7jqUdd4gg=",
-      "dev": true,
-      "requires": {
-        "repeating": "^2.0.0"
-      }
-    },
     "diff": {
       "version": "3.3.1",
       "resolved": "https://registry.npmjs.org/diff/-/diff-3.3.1.tgz",
@@ -3729,9 +3225,9 @@
       "dev": true
     },
     "electron-to-chromium": {
-      "version": "1.3.124",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.124.tgz",
-      "integrity": "sha512-glecGr/kFdfeXUHOHAWvGcXrxNU+1wSO/t5B23tT1dtlvYB26GY8aHzZSWD7HqhqC800Lr+w/hQul6C5AF542w==",
+      "version": "1.4.284",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.284.tgz",
+      "integrity": "sha512-M8WEXFuKXMYMVr45fo8mq0wUrrJHheiKZf6BArTKk9ZBYCKJEOU5H8cdWgDT+qCVZf7Na4lVUaZsA+h6uA9+PA==",
       "dev": true
     },
     "elliptic": {
@@ -3762,14 +3258,25 @@
       "dev": true
     },
     "encoding": {
-      "version": "0.1.12",
-      "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.12.tgz",
-      "integrity": "sha1-U4tm8+5izRq1HsMjgp0flIDHS+s=",
+      "version": "0.1.13",
+      "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.13.tgz",
+      "integrity": "sha512-ETBauow1T35Y/WZMkio9jiM0Z5xjHHmJ4XmjZOq1l/dXz3lr2sRn87nJy20RupqSh1F2m3HHPSp8ShIPQJrJ3A==",
       "dev": true,
       "requires": {
-        "iconv-lite": "~0.4.13"
-      }
-    },
+        "iconv-lite": "^0.6.2"
+      },
+      "dependencies": {
+        "iconv-lite": {
+          "version": "0.6.3",
+          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
+          "integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
+          "dev": true,
+          "requires": {
+            "safer-buffer": ">= 2.1.2 < 3.0.0"
+          }
+        }
+      }
+    },
     "end-of-stream": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.1.tgz",
@@ -3780,9 +3287,9 @@
       }
     },
     "errno": {
-      "version": "0.1.7",
-      "resolved": "https://registry.npmjs.org/errno/-/errno-0.1.7.tgz",
-      "integrity": "sha512-MfrRBDWzIWifgq6tJj60gkAwtLNb6sQPlcFrSOflcP1aFmmruKQ2wRnze/8V6kgyz7H3FF8Npzv78mZ7XLLflg==",
+      "version": "0.1.8",
+      "resolved": "https://registry.npmjs.org/errno/-/errno-0.1.8.tgz",
+      "integrity": "sha512-dJ6oBr5SQ1VSd9qkk7ByRgb/1SH4JZjCHSW/mr63/QcXO9zLVxvJ6Oy13nio03rxpSnVDDjFor75SjVeZWPW/A==",
       "dev": true,
       "requires": {
         "prr": "~1.0.1"
@@ -3862,6 +3369,12 @@
         "ext": "^1.1.2"
       }
     },
+    "escalade": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
+      "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==",
+      "dev": true
+    },
     "escape-html": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
@@ -4034,26 +3547,17 @@
       "dev": true
     },
     "eth-block-tracker": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/eth-block-tracker/-/eth-block-tracker-3.0.1.tgz",
-      "integrity": "sha512-WUVxWLuhMmsfenfZvFO5sbl1qFY2IqUlw/FPVmjjdElpqLsZtSG+wPe9Dz7W/sB6e80HgFKknOmKk2eNlznHug==",
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/eth-block-tracker/-/eth-block-tracker-4.4.3.tgz",
+      "integrity": "sha512-A8tG4Z4iNg4mw5tP1Vung9N9IjgMNqpiMoJ/FouSFwNCGHv2X0mmOYwtQOJzki6XN7r7Tyo01S29p7b224I4jw==",
       "dev": true,
       "requires": {
+        "@babel/plugin-transform-runtime": "^7.5.5",
+        "@babel/runtime": "^7.5.5",
         "eth-query": "^2.1.0",
-        "ethereumjs-tx": "^1.3.3",
-        "ethereumjs-util": "^5.1.3",
-        "ethjs-util": "^0.1.3",
-        "json-rpc-engine": "^3.6.0",
-        "pify": "^2.3.0",
-        "tape": "^4.6.3"
-      },
-      "dependencies": {
-        "pify": {
-          "version": "2.3.0",
-          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
-          "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
-          "dev": true
-        }
+        "json-rpc-random-id": "^1.0.1",
+        "pify": "^3.0.0",
+        "safe-event-emitter": "^1.0.1"
       }
     },
     "eth-ens-namehash": {
@@ -4074,38 +3578,227 @@
         }
       }
     },
+    "eth-json-rpc-errors": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/eth-json-rpc-errors/-/eth-json-rpc-errors-2.0.2.tgz",
+      "integrity": "sha512-uBCRM2w2ewusRHGxN8JhcuOb2RN3ueAOYH/0BhqdFmQkZx5lj5+fLKTz0mIVOzd4FG5/kUksCzCD7eTEim6gaA==",
+      "dev": true,
+      "requires": {
+        "fast-safe-stringify": "^2.0.6"
+      }
+    },
+    "eth-json-rpc-filters": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/eth-json-rpc-filters/-/eth-json-rpc-filters-4.2.2.tgz",
+      "integrity": "sha512-DGtqpLU7bBg63wPMWg1sCpkKCf57dJ+hj/k3zF26anXMzkmtSBDExL8IhUu7LUd34f0Zsce3PYNO2vV2GaTzaw==",
+      "dev": true,
+      "requires": {
+        "@metamask/safe-event-emitter": "^2.0.0",
+        "async-mutex": "^0.2.6",
+        "eth-json-rpc-middleware": "^6.0.0",
+        "eth-query": "^2.1.2",
+        "json-rpc-engine": "^6.1.0",
+        "pify": "^5.0.0"
+      },
+      "dependencies": {
+        "elliptic": {
+          "version": "6.5.4",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+          "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.9",
+            "brorand": "^1.1.0",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.1",
+            "inherits": "^2.0.4",
+            "minimalistic-assert": "^1.0.1",
+            "minimalistic-crypto-utils": "^1.0.1"
+          },
+          "dependencies": {
+            "bn.js": {
+              "version": "4.12.0",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+              "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+              "dev": true
+            }
+          }
+        },
+        "eth-json-rpc-middleware": {
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/eth-json-rpc-middleware/-/eth-json-rpc-middleware-6.0.0.tgz",
+          "integrity": "sha512-qqBfLU2Uq1Ou15Wox1s+NX05S9OcAEL4JZ04VZox2NS0U+RtCMjSxzXhLFWekdShUPZ+P8ax3zCO2xcPrp6XJQ==",
+          "dev": true,
+          "requires": {
+            "btoa": "^1.2.1",
+            "clone": "^2.1.1",
+            "eth-query": "^2.1.2",
+            "eth-rpc-errors": "^3.0.0",
+            "eth-sig-util": "^1.4.2",
+            "ethereumjs-util": "^5.1.2",
+            "json-rpc-engine": "^5.3.0",
+            "json-stable-stringify": "^1.0.1",
+            "node-fetch": "^2.6.1",
+            "pify": "^3.0.0",
+            "safe-event-emitter": "^1.0.1"
+          },
+          "dependencies": {
+            "json-rpc-engine": {
+              "version": "5.4.0",
+              "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-5.4.0.tgz",
+              "integrity": "sha512-rAffKbPoNDjuRnXkecTjnsE3xLLrb00rEkdgalINhaYVYIxDwWtvYBr9UFbhTvPB1B2qUOLoFd/cV6f4Q7mh7g==",
+              "dev": true,
+              "requires": {
+                "eth-rpc-errors": "^3.0.0",
+                "safe-event-emitter": "^1.0.1"
+              }
+            },
+            "pify": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+              "integrity": "sha512-C3FsVNH1udSEX48gGX1xfvwTWfsYWj5U+8/uK15BGzIGrKoUpghX8hWZwa/OFnakBiiVNmBvemTJR5mcy7iPcg==",
+              "dev": true
+            }
+          }
+        },
+        "ethereumjs-util": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz",
+          "integrity": "sha512-v3kT+7zdyCm1HIqWlLNrHGqHGLpGYIhjeHxQjnDXjLT2FyGJDsd3LWMYUo7pAFRrk86CR3nUJfhC81CCoJNNGQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "elliptic": "^6.5.2",
+            "ethereum-cryptography": "^0.1.3",
+            "ethjs-util": "^0.1.3",
+            "rlp": "^2.0.0",
+            "safe-buffer": "^5.1.1"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+          "dev": true
+        },
+        "pify": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-5.0.0.tgz",
+          "integrity": "sha512-eW/gHNMlxdSP6dmG6uJip6FXN0EQBwm2clYYd8Wul42Cwu/DK8HEftzsapcNdYe2MfLiIwZqsDk2RDEsTE79hA==",
+          "dev": true
+        }
+      }
+    },
     "eth-json-rpc-infura": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/eth-json-rpc-infura/-/eth-json-rpc-infura-3.2.0.tgz",
-      "integrity": "sha512-FLcpdxPRVBCUc7yoE+wHGvyYg2lATedP+/q7PsKvaSzQpJbgTG4ZjLnyrLanxDr6M1k/dSNa6V5QnILwjUKJcw==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/eth-json-rpc-infura/-/eth-json-rpc-infura-4.1.0.tgz",
+      "integrity": "sha512-DFYitKovzVlCdUulEccdm4g6k/vnvyByuw7rd5OoWDBSIiaeinI8Z/SntLjSIs2c+YvE20DGwk/GLwZGCWDN1Q==",
       "dev": true,
       "requires": {
-        "cross-fetch": "^2.1.1",
-        "eth-json-rpc-middleware": "^1.5.0",
-        "json-rpc-engine": "^3.4.0",
-        "json-rpc-error": "^2.0.0",
-        "tape": "^4.8.0"
+        "eth-json-rpc-middleware": "^4.4.0",
+        "eth-rpc-errors": "^3.0.0",
+        "json-rpc-engine": "^5.1.3",
+        "node-fetch": "^2.6.0"
+      },
+      "dependencies": {
+        "json-rpc-engine": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-5.4.0.tgz",
+          "integrity": "sha512-rAffKbPoNDjuRnXkecTjnsE3xLLrb00rEkdgalINhaYVYIxDwWtvYBr9UFbhTvPB1B2qUOLoFd/cV6f4Q7mh7g==",
+          "dev": true,
+          "requires": {
+            "eth-rpc-errors": "^3.0.0",
+            "safe-event-emitter": "^1.0.1"
+          }
+        }
       }
     },
     "eth-json-rpc-middleware": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/eth-json-rpc-middleware/-/eth-json-rpc-middleware-1.6.0.tgz",
-      "integrity": "sha512-tDVCTlrUvdqHKqivYMjtFZsdD7TtpNLBCfKAcOpaVs7orBMS/A8HWro6dIzNtTZIR05FAbJ3bioFOnZpuCew9Q==",
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/eth-json-rpc-middleware/-/eth-json-rpc-middleware-4.4.1.tgz",
+      "integrity": "sha512-yoSuRgEYYGFdVeZg3poWOwAlRI+MoBIltmOB86MtpoZjvLbou9EB/qWMOWSmH2ryCWLW97VYY6NWsmWm3OAA7A==",
       "dev": true,
       "requires": {
-        "async": "^2.5.0",
+        "btoa": "^1.2.1",
+        "clone": "^2.1.1",
+        "eth-json-rpc-errors": "^1.0.1",
         "eth-query": "^2.1.2",
-        "eth-tx-summary": "^3.1.2",
+        "eth-sig-util": "^1.4.2",
         "ethereumjs-block": "^1.6.0",
-        "ethereumjs-tx": "^1.3.3",
+        "ethereumjs-tx": "^1.3.7",
         "ethereumjs-util": "^5.1.2",
-        "ethereumjs-vm": "^2.1.0",
+        "ethereumjs-vm": "^2.6.0",
         "fetch-ponyfill": "^4.0.0",
-        "json-rpc-engine": "^3.6.0",
-        "json-rpc-error": "^2.0.0",
+        "json-rpc-engine": "^5.1.3",
         "json-stable-stringify": "^1.0.1",
-        "promise-to-callback": "^1.0.0",
-        "tape": "^4.6.3"
+        "pify": "^3.0.0",
+        "safe-event-emitter": "^1.0.1"
+      },
+      "dependencies": {
+        "elliptic": {
+          "version": "6.5.4",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+          "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.9",
+            "brorand": "^1.1.0",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.1",
+            "inherits": "^2.0.4",
+            "minimalistic-assert": "^1.0.1",
+            "minimalistic-crypto-utils": "^1.0.1"
+          },
+          "dependencies": {
+            "bn.js": {
+              "version": "4.12.0",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+              "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+              "dev": true
+            }
+          }
+        },
+        "eth-json-rpc-errors": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/eth-json-rpc-errors/-/eth-json-rpc-errors-1.1.1.tgz",
+          "integrity": "sha512-WT5shJ5KfNqHi9jOZD+ID8I1kuYWNrigtZat7GOQkvwo99f8SzAVaEcWhJUv656WiZOAg3P1RiJQANtUmDmbIg==",
+          "dev": true,
+          "requires": {
+            "fast-safe-stringify": "^2.0.6"
+          }
+        },
+        "ethereumjs-util": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz",
+          "integrity": "sha512-v3kT+7zdyCm1HIqWlLNrHGqHGLpGYIhjeHxQjnDXjLT2FyGJDsd3LWMYUo7pAFRrk86CR3nUJfhC81CCoJNNGQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "elliptic": "^6.5.2",
+            "ethereum-cryptography": "^0.1.3",
+            "ethjs-util": "^0.1.3",
+            "rlp": "^2.0.0",
+            "safe-buffer": "^5.1.1"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+          "dev": true
+        },
+        "json-rpc-engine": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-5.4.0.tgz",
+          "integrity": "sha512-rAffKbPoNDjuRnXkecTjnsE3xLLrb00rEkdgalINhaYVYIxDwWtvYBr9UFbhTvPB1B2qUOLoFd/cV6f4Q7mh7g==",
+          "dev": true,
+          "requires": {
+            "eth-rpc-errors": "^3.0.0",
+            "safe-event-emitter": "^1.0.1"
+          }
+        }
       }
     },
     "eth-lib": {
@@ -4145,39 +3838,76 @@
     "eth-query": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/eth-query/-/eth-query-2.1.2.tgz",
-      "integrity": "sha1-1nQdkAAQa1FRDHLbktY2VFam2l4=",
+      "integrity": "sha512-srES0ZcvwkR/wd5OQBRA1bIJMww1skfGS0s8wlwK3/oNP4+wnds60krvu5R1QbpRQjMmpG5OMIWro5s7gvDPsA==",
       "dev": true,
       "requires": {
         "json-rpc-random-id": "^1.0.0",
         "xtend": "^4.0.1"
       }
     },
+    "eth-rpc-errors": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/eth-rpc-errors/-/eth-rpc-errors-3.0.0.tgz",
+      "integrity": "sha512-iPPNHPrLwUlR9xCSYm7HHQjWBasor3+KZfRvwEWxMz3ca0yqnlBeJrnyphkGIXZ4J7AMAaOLmwy4AWhnxOiLxg==",
+      "dev": true,
+      "requires": {
+        "fast-safe-stringify": "^2.0.6"
+      }
+    },
     "eth-sig-util": {
       "version": "1.4.2",
       "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-1.4.2.tgz",
-      "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
+      "integrity": "sha512-iNZ576iTOGcfllftB73cPB5AN+XUQAT/T8xzsILsghXC1o8gJUqe3RHlcDqagu+biFpYQ61KQrZZJza8eRSYqw==",
       "dev": true,
       "requires": {
         "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
         "ethereumjs-util": "^5.1.1"
-      }
-    },
-    "eth-tx-summary": {
-      "version": "3.2.4",
-      "resolved": "https://registry.npmjs.org/eth-tx-summary/-/eth-tx-summary-3.2.4.tgz",
-      "integrity": "sha512-NtlDnaVZah146Rm8HMRUNMgIwG/ED4jiqk0TME9zFheMl1jOp6jL1m0NKGjJwehXQ6ZKCPr16MTr+qspKpEXNg==",
-      "dev": true,
-      "requires": {
-        "async": "^2.1.2",
-        "clone": "^2.0.0",
-        "concat-stream": "^1.5.1",
-        "end-of-stream": "^1.1.0",
-        "eth-query": "^2.0.2",
-        "ethereumjs-block": "^1.4.1",
-        "ethereumjs-tx": "^1.1.1",
-        "ethereumjs-util": "^5.0.1",
-        "ethereumjs-vm": "^2.6.0",
-        "through2": "^2.0.3"
+      },
+      "dependencies": {
+        "elliptic": {
+          "version": "6.5.4",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+          "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.9",
+            "brorand": "^1.1.0",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.1",
+            "inherits": "^2.0.4",
+            "minimalistic-assert": "^1.0.1",
+            "minimalistic-crypto-utils": "^1.0.1"
+          },
+          "dependencies": {
+            "bn.js": {
+              "version": "4.12.0",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+              "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+              "dev": true
+            }
+          }
+        },
+        "ethereumjs-util": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz",
+          "integrity": "sha512-v3kT+7zdyCm1HIqWlLNrHGqHGLpGYIhjeHxQjnDXjLT2FyGJDsd3LWMYUo7pAFRrk86CR3nUJfhC81CCoJNNGQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "elliptic": "^6.5.2",
+            "ethereum-cryptography": "^0.1.3",
+            "ethjs-util": "^0.1.3",
+            "rlp": "^2.0.0",
+            "safe-buffer": "^5.1.1"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+          "dev": true
+        }
       }
     },
     "ethereum-bloom-filters": {
@@ -4203,6 +3933,105 @@
       "integrity": "sha512-XOnAR/3rntJgbCdGhqdaLIxDLWKLmsZOGhHdBKadEr6gEnJLH52k93Ou+TUdFaPN3hJc3isBZBal3U/XZ15abA==",
       "dev": true
     },
+    "ethereum-cryptography": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz",
+      "integrity": "sha512-w8/4x1SGGzc+tO97TASLja6SLd3fRIK2tLVcV2Gx4IB21hE19atll5Cq9o3d0ZmAYC/8aw0ipieTSiekAea4SQ==",
+      "dev": true,
+      "requires": {
+        "@types/pbkdf2": "^3.0.0",
+        "@types/secp256k1": "^4.0.1",
+        "blakejs": "^1.1.0",
+        "browserify-aes": "^1.2.0",
+        "bs58check": "^2.1.2",
+        "create-hash": "^1.2.0",
+        "create-hmac": "^1.1.7",
+        "hash.js": "^1.1.7",
+        "keccak": "^3.0.0",
+        "pbkdf2": "^3.0.17",
+        "randombytes": "^2.1.0",
+        "safe-buffer": "^5.1.2",
+        "scrypt-js": "^3.0.0",
+        "secp256k1": "^4.0.1",
+        "setimmediate": "^1.0.5"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.12.0",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+          "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+          "dev": true
+        },
+        "elliptic": {
+          "version": "6.5.4",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+          "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.9",
+            "brorand": "^1.1.0",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.1",
+            "inherits": "^2.0.4",
+            "minimalistic-assert": "^1.0.1",
+            "minimalistic-crypto-utils": "^1.0.1"
+          },
+          "dependencies": {
+            "inherits": {
+              "version": "2.0.4",
+              "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+              "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+              "dev": true
+            }
+          }
+        },
+        "keccak": {
+          "version": "3.0.3",
+          "resolved": "https://registry.npmjs.org/keccak/-/keccak-3.0.3.tgz",
+          "integrity": "sha512-JZrLIAJWuZxKbCilMpNz5Vj7Vtb4scDG3dMXLOsbzBmQGyjwE61BbW7bJkfKKCShXiQZt3T6sBgALRtmd+nZaQ==",
+          "dev": true,
+          "requires": {
+            "node-addon-api": "^2.0.0",
+            "node-gyp-build": "^4.2.0",
+            "readable-stream": "^3.6.0"
+          }
+        },
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        },
+        "scrypt-js": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-3.0.1.tgz",
+          "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA==",
+          "dev": true
+        },
+        "secp256k1": {
+          "version": "4.0.3",
+          "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-4.0.3.tgz",
+          "integrity": "sha512-NLZVf+ROMxwtEj3Xa562qgv2BK5e2WNmXPiOdVIPLgs6lyTzMvBq0aWTYMI5XCP9jZMVKOcqZLw/Wc4vDkuxhA==",
+          "dev": true,
+          "requires": {
+            "elliptic": "^6.5.4",
+            "node-addon-api": "^2.0.0",
+            "node-gyp-build": "^4.2.0"
+          }
+        },
+        "setimmediate": {
+          "version": "1.0.5",
+          "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
+          "integrity": "sha512-MATJdZp8sLqDl/68LfQmbP8zKPLQNV6BIZoIgrscFDQ+RsvK/BxeDQOgyxKKoh0y/8h3BqVFnCqQ/gd+reiIXA==",
+          "dev": true
+        }
+      }
+    },
     "ethereum-ens": {
       "version": "0.7.8",
       "resolved": "https://registry.npmjs.org/ethereum-ens/-/ethereum-ens-0.7.8.tgz",
@@ -4226,7 +4055,7 @@
       }
     },
     "ethereumjs-abi": {
-      "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#1cfbb13862f90f0b391d8a699544d5fe4dfb8c7b",
+      "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#ee3994657fa7a427238e6ba92a84d0b529bbcde0",
       "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
       "dev": true,
       "requires": {
@@ -4234,32 +4063,49 @@
         "ethereumjs-util": "^6.0.0"
       },
       "dependencies": {
+        "elliptic": {
+          "version": "6.5.4",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+          "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.9",
+            "brorand": "^1.1.0",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.1",
+            "inherits": "^2.0.4",
+            "minimalistic-assert": "^1.0.1",
+            "minimalistic-crypto-utils": "^1.0.1"
+          },
+          "dependencies": {
+            "bn.js": {
+              "version": "4.12.0",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+              "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+              "dev": true
+            }
+          }
+        },
         "ethereumjs-util": {
-          "version": "6.2.0",
-          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.2.0.tgz",
-          "integrity": "sha512-vb0XN9J2QGdZGIEKG2vXM+kUdEivUfU6Wmi5y0cg+LRhDYKnXIZ/Lz7XjFbHRR9VIKq2lVGLzGBkA++y2nOdOQ==",
+          "version": "6.2.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.2.1.tgz",
+          "integrity": "sha512-W2Ktez4L01Vexijrm5EB6w7dg4n/TgpoYU4avuT5T3Vmnw/eCRtiBrJfQYS/DCSvDIOLn2k57GcHdeBcgVxAqw==",
           "dev": true,
           "requires": {
             "@types/bn.js": "^4.11.3",
             "bn.js": "^4.11.0",
             "create-hash": "^1.1.2",
+            "elliptic": "^6.5.2",
+            "ethereum-cryptography": "^0.1.3",
             "ethjs-util": "0.1.6",
-            "keccak": "^2.0.0",
-            "rlp": "^2.2.3",
-            "secp256k1": "^3.0.1"
+            "rlp": "^2.2.3"
           }
         },
-        "keccak": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/keccak/-/keccak-2.0.0.tgz",
-          "integrity": "sha512-rKe/lRr0KGhjoz97cwg+oeT1Rj/Y4cjae6glArioUC8JBF9ROGZctwIaaruM7d7naovME4Q8WcQSO908A8qcyQ==",
-          "dev": true,
-          "requires": {
-            "bindings": "^1.2.1",
-            "inherits": "^2.0.3",
-            "nan": "^2.2.1",
-            "safe-buffer": "^5.1.0"
-          }
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+          "dev": true
         }
       }
     },
@@ -4272,6 +4118,52 @@
         "ethereumjs-util": "^5.0.0",
         "rlp": "^2.0.0",
         "safe-buffer": "^5.1.1"
+      },
+      "dependencies": {
+        "elliptic": {
+          "version": "6.5.4",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+          "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.9",
+            "brorand": "^1.1.0",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.1",
+            "inherits": "^2.0.4",
+            "minimalistic-assert": "^1.0.1",
+            "minimalistic-crypto-utils": "^1.0.1"
+          },
+          "dependencies": {
+            "bn.js": {
+              "version": "4.12.0",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+              "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+              "dev": true
+            }
+          }
+        },
+        "ethereumjs-util": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz",
+          "integrity": "sha512-v3kT+7zdyCm1HIqWlLNrHGqHGLpGYIhjeHxQjnDXjLT2FyGJDsd3LWMYUo7pAFRrk86CR3nUJfhC81CCoJNNGQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "elliptic": "^6.5.2",
+            "ethereum-cryptography": "^0.1.3",
+            "ethjs-util": "^0.1.3",
+            "rlp": "^2.0.0",
+            "safe-buffer": "^5.1.1"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+          "dev": true
+        }
       }
     },
     "ethereumjs-block": {
@@ -4285,12 +4177,58 @@
         "ethereumjs-tx": "^1.2.2",
         "ethereumjs-util": "^5.0.0",
         "merkle-patricia-tree": "^2.1.2"
+      },
+      "dependencies": {
+        "elliptic": {
+          "version": "6.5.4",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+          "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.9",
+            "brorand": "^1.1.0",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.1",
+            "inherits": "^2.0.4",
+            "minimalistic-assert": "^1.0.1",
+            "minimalistic-crypto-utils": "^1.0.1"
+          },
+          "dependencies": {
+            "bn.js": {
+              "version": "4.12.0",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+              "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+              "dev": true
+            }
+          }
+        },
+        "ethereumjs-util": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz",
+          "integrity": "sha512-v3kT+7zdyCm1HIqWlLNrHGqHGLpGYIhjeHxQjnDXjLT2FyGJDsd3LWMYUo7pAFRrk86CR3nUJfhC81CCoJNNGQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "elliptic": "^6.5.2",
+            "ethereum-cryptography": "^0.1.3",
+            "ethjs-util": "^0.1.3",
+            "rlp": "^2.0.0",
+            "safe-buffer": "^5.1.1"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+          "dev": true
+        }
       }
     },
     "ethereumjs-common": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/ethereumjs-common/-/ethereumjs-common-1.1.0.tgz",
-      "integrity": "sha512-LUmYkKV/HcZbWRyu3OU9YOevsH3VJDXtI6kEd8VZweQec+JjDGKCmAVKUyzhYUHqxRJu7JNALZ3A/b3NXOP6tA==",
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/ethereumjs-common/-/ethereumjs-common-1.5.2.tgz",
+      "integrity": "sha512-hTfZjwGX52GS2jcVO6E2sx4YuFnf0Fhp5ylo4pEPhEffNln7vS59Hr5sLnp3/QCazFLluuBZ+FZ6J5HTp0EqCA==",
       "dev": true
     },
     "ethereumjs-tx": {
@@ -4303,27 +4241,95 @@
         "ethereumjs-util": "^5.0.0"
       },
       "dependencies": {
+        "elliptic": {
+          "version": "6.5.4",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+          "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.9",
+            "brorand": "^1.1.0",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.1",
+            "inherits": "^2.0.4",
+            "minimalistic-assert": "^1.0.1",
+            "minimalistic-crypto-utils": "^1.0.1"
+          },
+          "dependencies": {
+            "bn.js": {
+              "version": "4.12.0",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+              "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+              "dev": true
+            }
+          }
+        },
         "ethereum-common": {
           "version": "0.0.18",
           "resolved": "https://registry.npmjs.org/ethereum-common/-/ethereum-common-0.0.18.tgz",
-          "integrity": "sha1-L9w1dvIykDNYl26znaeDIT/5Uj8=",
+          "integrity": "sha512-EoltVQTRNg2Uy4o84qpa2aXymXDJhxm7eos/ACOg0DG4baAbMjhbdAEsx9GeE8sC3XCxnYvrrzZDH8D8MtA2iQ==",
+          "dev": true
+        },
+        "ethereumjs-util": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz",
+          "integrity": "sha512-v3kT+7zdyCm1HIqWlLNrHGqHGLpGYIhjeHxQjnDXjLT2FyGJDsd3LWMYUo7pAFRrk86CR3nUJfhC81CCoJNNGQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "elliptic": "^6.5.2",
+            "ethereum-cryptography": "^0.1.3",
+            "ethjs-util": "^0.1.3",
+            "rlp": "^2.0.0",
+            "safe-buffer": "^5.1.1"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
           "dev": true
         }
       }
     },
     "ethereumjs-util": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz",
-      "integrity": "sha512-CJAKdI0wgMbQFLlLRtZKGcy/L6pzVRgelIZqRqNbuVFM3K9VEnyfbcvz0ncWMRNCe4kaHWjwRYQcYMucmwsnWA==",
+      "version": "7.1.5",
+      "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-7.1.5.tgz",
+      "integrity": "sha512-SDl5kKrQAudFBUe5OJM9Ac6WmMyYmXX/6sTmLZ3ffG2eY6ZIGBes3pEDxNN6V72WyOw4CPD5RomKdsa8DAAwLg==",
       "dev": true,
       "requires": {
-        "bn.js": "^4.11.0",
+        "@types/bn.js": "^5.1.0",
+        "bn.js": "^5.1.2",
         "create-hash": "^1.1.2",
-        "ethjs-util": "^0.1.3",
-        "keccak": "^1.0.2",
-        "rlp": "^2.0.0",
-        "safe-buffer": "^5.1.1",
-        "secp256k1": "^3.0.1"
+        "ethereum-cryptography": "^0.1.3",
+        "rlp": "^2.2.4"
+      },
+      "dependencies": {
+        "@types/bn.js": {
+          "version": "5.1.1",
+          "resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-5.1.1.tgz",
+          "integrity": "sha512-qNrYbZqMx0uJAfKnKclPh+dTwK33KfLHYqtyODwd5HnXOjnkhc4qgn3BrK6RWyGZm5+sIFE7Q7Vz6QQtJB7w7g==",
+          "dev": true,
+          "requires": {
+            "@types/node": "*"
+          }
+        },
+        "bn.js": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.2.1.tgz",
+          "integrity": "sha512-eXRvHzWyYPBuB4NBy0cmYQjGitUrtqwbvlzP3G6VFnNRbsZQIxQ10PbKKHt8gZ/HW/D/747aDl+QkDqg3KQLMQ==",
+          "dev": true
+        },
+        "rlp": {
+          "version": "2.2.7",
+          "resolved": "https://registry.npmjs.org/rlp/-/rlp-2.2.7.tgz",
+          "integrity": "sha512-d5gdPmgQ0Z+AklL2NVXr/IoSjNZFfTVvQWzL/AM2AOcSzYP2xjlb0AC8YyCLc41MSNf6P6QVtjgPdmVtzb+4lQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^5.2.0"
+          }
+        }
       }
     },
     "ethereumjs-vm": {
@@ -4345,68 +4351,106 @@
         "safe-buffer": "^5.1.1"
       },
       "dependencies": {
+        "elliptic": {
+          "version": "6.5.4",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+          "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.9",
+            "brorand": "^1.1.0",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.1",
+            "inherits": "^2.0.4",
+            "minimalistic-assert": "^1.0.1",
+            "minimalistic-crypto-utils": "^1.0.1"
+          },
+          "dependencies": {
+            "bn.js": {
+              "version": "4.12.0",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+              "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+              "dev": true
+            }
+          }
+        },
         "ethereumjs-block": {
-          "version": "2.2.0",
-          "resolved": "https://registry.npmjs.org/ethereumjs-block/-/ethereumjs-block-2.2.0.tgz",
-          "integrity": "sha512-Ye+uG/L2wrp364Zihdlr/GfC3ft+zG8PdHcRtsBFNNH1CkOhxOwdB8friBU85n89uRZ9eIMAywCq0F4CwT1wAw==",
+          "version": "2.2.2",
+          "resolved": "https://registry.npmjs.org/ethereumjs-block/-/ethereumjs-block-2.2.2.tgz",
+          "integrity": "sha512-2p49ifhek3h2zeg/+da6XpdFR3GlqY3BIEiqxGF8j9aSRIgkb7M1Ky+yULBKJOu8PAZxfhsYA+HxUk2aCQp3vg==",
           "dev": true,
           "requires": {
             "async": "^2.0.1",
-            "ethereumjs-common": "^1.1.0",
-            "ethereumjs-tx": "^1.2.2",
+            "ethereumjs-common": "^1.5.0",
+            "ethereumjs-tx": "^2.1.1",
             "ethereumjs-util": "^5.0.0",
             "merkle-patricia-tree": "^2.1.2"
           },
           "dependencies": {
             "ethereumjs-util": {
-              "version": "5.2.0",
-              "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz",
-              "integrity": "sha512-CJAKdI0wgMbQFLlLRtZKGcy/L6pzVRgelIZqRqNbuVFM3K9VEnyfbcvz0ncWMRNCe4kaHWjwRYQcYMucmwsnWA==",
+              "version": "5.2.1",
+              "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz",
+              "integrity": "sha512-v3kT+7zdyCm1HIqWlLNrHGqHGLpGYIhjeHxQjnDXjLT2FyGJDsd3LWMYUo7pAFRrk86CR3nUJfhC81CCoJNNGQ==",
               "dev": true,
               "requires": {
                 "bn.js": "^4.11.0",
                 "create-hash": "^1.1.2",
+                "elliptic": "^6.5.2",
+                "ethereum-cryptography": "^0.1.3",
                 "ethjs-util": "^0.1.3",
-                "keccak": "^1.0.2",
                 "rlp": "^2.0.0",
-                "safe-buffer": "^5.1.1",
-                "secp256k1": "^3.0.1"
+                "safe-buffer": "^5.1.1"
               }
             }
           }
         },
+        "ethereumjs-tx": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ethereumjs-tx/-/ethereumjs-tx-2.1.2.tgz",
+          "integrity": "sha512-zZEK1onCeiORb0wyCXUvg94Ve5It/K6GD1K+26KfFKodiBiS6d9lfCXlUKGBBdQ+bv7Day+JK0tj1K+BeNFRAw==",
+          "dev": true,
+          "requires": {
+            "ethereumjs-common": "^1.5.0",
+            "ethereumjs-util": "^6.0.0"
+          }
+        },
         "ethereumjs-util": {
-          "version": "6.1.0",
-          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz",
-          "integrity": "sha512-URESKMFbDeJxnAxPppnk2fN6Y3BIatn9fwn76Lm8bQlt+s52TpG8dN9M66MLPuRAiAOIqL3dfwqWJf0sd0fL0Q==",
+          "version": "6.2.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.2.1.tgz",
+          "integrity": "sha512-W2Ktez4L01Vexijrm5EB6w7dg4n/TgpoYU4avuT5T3Vmnw/eCRtiBrJfQYS/DCSvDIOLn2k57GcHdeBcgVxAqw==",
           "dev": true,
           "requires": {
+            "@types/bn.js": "^4.11.3",
             "bn.js": "^4.11.0",
             "create-hash": "^1.1.2",
+            "elliptic": "^6.5.2",
+            "ethereum-cryptography": "^0.1.3",
             "ethjs-util": "0.1.6",
-            "keccak": "^1.0.2",
-            "rlp": "^2.0.0",
-            "safe-buffer": "^5.1.1",
-            "secp256k1": "^3.0.1"
+            "rlp": "^2.2.3"
           }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+          "dev": true
         }
       }
     },
     "ethereumjs-wallet": {
-      "version": "0.6.3",
-      "resolved": "https://registry.npmjs.org/ethereumjs-wallet/-/ethereumjs-wallet-0.6.3.tgz",
-      "integrity": "sha512-qiXPiZOsStem+Dj/CQHbn5qex+FVkuPmGH7SvSnA9F3tdRDt8dLMyvIj3+U05QzVZNPYh4HXEdnzoYI4dZkr9w==",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/ethereumjs-wallet/-/ethereumjs-wallet-1.0.2.tgz",
+      "integrity": "sha512-CCWV4RESJgRdHIvFciVQFnCHfqyhXWchTPlkfp28Qc53ufs+doi5I/cV2+xeK9+qEo25XCWfP9MiL+WEPAZfdA==",
       "dev": true,
       "requires": {
-        "aes-js": "^3.1.1",
+        "aes-js": "^3.1.2",
         "bs58check": "^2.1.2",
-        "ethereumjs-util": "^6.0.0",
-        "hdkey": "^1.1.0",
-        "randombytes": "^2.0.6",
-        "safe-buffer": "^5.1.2",
-        "scrypt.js": "^0.3.0",
+        "ethereum-cryptography": "^0.1.3",
+        "ethereumjs-util": "^7.1.2",
+        "randombytes": "^2.1.0",
+        "scrypt-js": "^3.0.1",
         "utf8": "^3.0.0",
-        "uuid": "^3.3.2"
+        "uuid": "^8.3.2"
       },
       "dependencies": {
         "aes-js": {
@@ -4415,20 +4459,17 @@
           "integrity": "sha512-e5pEa2kBnBOgR4Y/p20pskXI74UEz7de8ZGVo58asOtvSVG5YAbJeELPZxOmt+Bnz3rX753YKhfIn4X4l1PPRQ==",
           "dev": true
         },
-        "ethereumjs-util": {
-          "version": "6.1.0",
-          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz",
-          "integrity": "sha512-URESKMFbDeJxnAxPppnk2fN6Y3BIatn9fwn76Lm8bQlt+s52TpG8dN9M66MLPuRAiAOIqL3dfwqWJf0sd0fL0Q==",
-          "dev": true,
-          "requires": {
-            "bn.js": "^4.11.0",
-            "create-hash": "^1.1.2",
-            "ethjs-util": "0.1.6",
-            "keccak": "^1.0.2",
-            "rlp": "^2.0.0",
-            "safe-buffer": "^5.1.1",
-            "secp256k1": "^3.0.1"
-          }
+        "scrypt-js": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-3.0.1.tgz",
+          "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA==",
+          "dev": true
+        },
+        "uuid": {
+          "version": "8.3.2",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+          "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+          "dev": true
         }
       }
     },
@@ -4546,9 +4587,9 @@
       "dev": true
     },
     "events": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/events/-/events-3.0.0.tgz",
-      "integrity": "sha512-Dc381HFWJzEOhQ+d8pkNon++bk9h6cdAoAj4iE6Q4y6xgTzySWXlKn05/TVNpjnfRqi/X0EpJEJohPjNI3zpVA==",
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/events/-/events-3.3.0.tgz",
+      "integrity": "sha512-mQw+2fkQbALzQ7V0MY0IqdnXNOeTtP4r0lN9z7AAawCXgqea7bDii20AYrIBrFd/Hx0M2Ocz6S111CaFkUcb0Q==",
       "dev": true
     },
     "evp_bytestokey": {
@@ -4699,7 +4740,7 @@
     "fake-merkle-patricia-tree": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/fake-merkle-patricia-tree/-/fake-merkle-patricia-tree-1.0.1.tgz",
-      "integrity": "sha1-S4w6z7Ugr635hgsfFM2M40As3dM=",
+      "integrity": "sha512-Tgq37lkc9pUIgIKw5uitNUKcgcYL3R6JvXtKQbOf/ZSavXbidsksgp/pAY6p//uhw0I4yoMsvTSovvVIsk/qxA==",
       "dev": true,
       "requires": {
         "checkpoint-store": "^1.1.0"
@@ -4729,6 +4770,12 @@
       "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
       "dev": true
     },
+    "fast-safe-stringify": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/fast-safe-stringify/-/fast-safe-stringify-2.1.1.tgz",
+      "integrity": "sha512-W+KJc2dmILlPplD/H4K9l9LcAHAfPtP6BY84uVLXQ6Evcz9Lcg33Y2z1IVblT6xdY54PXYVHEv+0Wpq8Io6zkA==",
+      "dev": true
+    },
     "fd-slicer": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.1.0.tgz",
@@ -4741,7 +4788,7 @@
     "fetch-ponyfill": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/fetch-ponyfill/-/fetch-ponyfill-4.1.0.tgz",
-      "integrity": "sha1-rjzl9zLGReq4fkroeTQUcJsjmJM=",
+      "integrity": "sha512-knK9sGskIg2T7OnYLdZ2hZXn0CtDrAIBxYQLpmEf0BqfdWnwmM1weccUl5+4EdA44tzNSFAuxITPbXtPehUB3g==",
       "dev": true,
       "requires": {
         "node-fetch": "~1.7.1"
@@ -5591,15 +5638,6 @@
         "function-bind": "^1.1.1"
       }
     },
-    "has-ansi": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/has-ansi/-/has-ansi-2.0.0.tgz",
-      "integrity": "sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=",
-      "dev": true,
-      "requires": {
-        "ansi-regex": "^2.0.0"
-      }
-    },
     "has-flag": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
@@ -5647,17 +5685,6 @@
         "minimalistic-assert": "^1.0.1"
       }
     },
-    "hdkey": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/hdkey/-/hdkey-1.1.1.tgz",
-      "integrity": "sha512-DvHZ5OuavsfWs5yfVJZestsnc3wzPvLWNk6c2nRUfo6X+OtxypGt20vDDf7Ba+MJzjL3KS1og2nw2eBbLCOUTA==",
-      "dev": true,
-      "requires": {
-        "coinstring": "^2.0.0",
-        "safe-buffer": "^5.1.1",
-        "secp256k1": "^3.0.1"
-      }
-    },
     "he": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/he/-/he-1.1.1.tgz",
@@ -5681,16 +5708,6 @@
       "integrity": "sha512-Alr4ZQgoMlnere5FZJsIyfIjORBqZll5POhDsF4q64dPuJR6rNxXdDxtHSQq8OXRurhmx+PWYEE8bXRROY8h0w==",
       "dev": true
     },
-    "home-or-tmp": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/home-or-tmp/-/home-or-tmp-2.0.0.tgz",
-      "integrity": "sha1-42w/LSyufXRqhX440Y1fMqeILbg=",
-      "dev": true,
-      "requires": {
-        "os-homedir": "^1.0.0",
-        "os-tmpdir": "^1.0.1"
-      }
-    },
     "hosted-git-info": {
       "version": "2.7.1",
       "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.7.1.tgz",
@@ -5771,9 +5788,9 @@
       "dev": true
     },
     "immediate": {
-      "version": "3.2.3",
-      "resolved": "https://registry.npmjs.org/immediate/-/immediate-3.2.3.tgz",
-      "integrity": "sha1-0UD6j2FGWb1lQSMwl92qwlzdmRw=",
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/immediate/-/immediate-3.3.0.tgz",
+      "integrity": "sha512-HR7EVodfFUdQCTIeySw+WDRFJlPcLOJbXfwwZ7Oom6tjsvZ3bOkCDJHehQC3nxJrv7+f9XecwazynjU8e4Vw3Q==",
       "dev": true
     },
     "import-fresh": {
@@ -5846,15 +5863,6 @@
         }
       }
     },
-    "invariant": {
-      "version": "2.2.4",
-      "resolved": "https://registry.npmjs.org/invariant/-/invariant-2.2.4.tgz",
-      "integrity": "sha512-phJfQVBuaJM5raOpJjSfkiD6BpbCE4Ns//LaXl6wGYtUBY83nWS6Rf9tXm2e8VaK60JEjYldbPif/A2B1C2gNA==",
-      "dev": true,
-      "requires": {
-        "loose-envify": "^1.0.0"
-      }
-    },
     "invert-kv": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-1.0.0.tgz",
@@ -5885,6 +5893,15 @@
       "integrity": "sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA==",
       "dev": true
     },
+    "is-core-module": {
+      "version": "2.11.0",
+      "resolved": "https://registry.npmjs.org/is-core-module/-/is-core-module-2.11.0.tgz",
+      "integrity": "sha512-RRjxlvLDkD1YJwDbroBHMb+cukurkDWNyHx7D3oNB5x9rb5ogcksMC5wHCadcXoo67gVr/+3GFySh3134zi6rw==",
+      "dev": true,
+      "requires": {
+        "has": "^1.0.3"
+      }
+    },
     "is-date-object": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/is-date-object/-/is-date-object-1.0.1.tgz",
@@ -5897,19 +5914,10 @@
       "integrity": "sha1-YTObbyR1/Hcv2cnYP1yFddwVSuE=",
       "dev": true
     },
-    "is-finite": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/is-finite/-/is-finite-1.0.2.tgz",
-      "integrity": "sha1-zGZ3aVYCvlUO8R6LSqYwU0K20Ko=",
-      "dev": true,
-      "requires": {
-        "number-is-nan": "^1.0.0"
-      }
-    },
     "is-fn": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-fn/-/is-fn-1.0.0.tgz",
-      "integrity": "sha1-lUPV3nvPWwiiLsiiC65uKG1RDYw=",
+      "integrity": "sha512-XoFPJQmsAShb3jEQRfzf2rqXavq7fIqF/jOekp308JlThqrODnMpweVSGilKTCXELfLhltGP2AGgbQGVP8F1dg==",
       "dev": true
     },
     "is-fullwidth-code-point": {
@@ -5987,7 +5995,7 @@
     "isarray": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-      "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
+      "integrity": "sha512-D2S+3GLxWH+uhrNEcoh/fnmYeP8E8/zHl644d/jdA0g2uyXvy3sb0qxotE+ne0LtccHknQzWwZEzhak7oJ0COQ==",
       "dev": true
     },
     "isemail": {
@@ -6060,12 +6068,6 @@
       "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
       "dev": true
     },
-    "jsesc": {
-      "version": "0.5.0",
-      "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
-      "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
-      "dev": true
-    },
     "json-buffer": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/json-buffer/-/json-buffer-3.0.0.tgz",
@@ -6079,32 +6081,30 @@
       "dev": true
     },
     "json-rpc-engine": {
-      "version": "3.8.0",
-      "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.8.0.tgz",
-      "integrity": "sha512-6QNcvm2gFuuK4TKU1uwfH0Qd/cOSb9c1lls0gbnIhciktIUQJwz6NQNAW4B1KiGPenv7IKu97V222Yo1bNhGuA==",
-      "dev": true,
-      "requires": {
-        "async": "^2.0.1",
-        "babel-preset-env": "^1.7.0",
-        "babelify": "^7.3.0",
-        "json-rpc-error": "^2.0.0",
-        "promise-to-callback": "^1.0.0",
-        "safe-event-emitter": "^1.0.1"
-      }
-    },
-    "json-rpc-error": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/json-rpc-error/-/json-rpc-error-2.0.0.tgz",
-      "integrity": "sha1-p6+cICg4tekFxyUOVH8a/3cligI=",
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-6.1.0.tgz",
+      "integrity": "sha512-NEdLrtrq1jUZyfjkr9OCz9EzCNhnRyWtt1PAnvnhwy6e8XETS0Dtc+ZNCO2gvuAoKsIn2+vCSowXTYE4CkgnAQ==",
       "dev": true,
       "requires": {
-        "inherits": "^2.0.1"
+        "@metamask/safe-event-emitter": "^2.0.0",
+        "eth-rpc-errors": "^4.0.2"
+      },
+      "dependencies": {
+        "eth-rpc-errors": {
+          "version": "4.0.3",
+          "resolved": "https://registry.npmjs.org/eth-rpc-errors/-/eth-rpc-errors-4.0.3.tgz",
+          "integrity": "sha512-Z3ymjopaoft7JDoxZcEb3pwdGh7yiYMhOwm2doUt6ASXlMavpNlK6Cre0+IMl2VSGyEU9rkiperQhp5iRxn5Pg==",
+          "dev": true,
+          "requires": {
+            "fast-safe-stringify": "^2.0.6"
+          }
+        }
       }
     },
     "json-rpc-random-id": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/json-rpc-random-id/-/json-rpc-random-id-1.0.1.tgz",
-      "integrity": "sha1-uknZat7RRE27jaPSA3SKy7zeyMg=",
+      "integrity": "sha512-RJ9YYNCkhVDBuP4zN5BBtYAzEl03yq/jIIsyif0JY9qyJuQQZNeDK7anAPKKlyEtLSj2s8h6hNh2F8zO5q7ScA==",
       "dev": true
     },
     "json-schema": {
@@ -6120,12 +6120,12 @@
       "dev": true
     },
     "json-stable-stringify": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz",
-      "integrity": "sha1-mnWdOcXy/1A/1TAGRu1EX4jE+a8=",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/json-stable-stringify/-/json-stable-stringify-1.0.2.tgz",
+      "integrity": "sha512-eunSSaEnxV12z+Z73y/j5N37/In40GK4GmsSy+tEHJMxknvqnA7/djeYtAgW0GsWHUfg+847WJjKaEylk2y09g==",
       "dev": true,
       "requires": {
-        "jsonify": "~0.0.0"
+        "jsonify": "^0.0.1"
       }
     },
     "json-stable-stringify-without-jsonify": {
@@ -6149,12 +6149,6 @@
         "delimit-stream": "0.1.0"
       }
     },
-    "json5": {
-      "version": "0.5.1",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
-      "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=",
-      "dev": true
-    },
     "jsonfile": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
@@ -6165,9 +6159,9 @@
       }
     },
     "jsonify": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/jsonify/-/jsonify-0.0.0.tgz",
-      "integrity": "sha1-LHS27kHZPKUbe1qu6PUDYx0lKnM=",
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/jsonify/-/jsonify-0.0.1.tgz",
+      "integrity": "sha512-2/Ki0GcmuqSrgFyelQq9M05y7PS0mEwuIzrf3f1fPqkVDVRvZrPZtVSMHxdgo8Aq0sxAOb/cr2aqqA3LeWHVPg==",
       "dev": true
     },
     "jsprim": {
@@ -6249,7 +6243,7 @@
     "level-iterator-stream": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/level-iterator-stream/-/level-iterator-stream-1.3.1.tgz",
-      "integrity": "sha1-5Dt4sagUPm+pek9IXrjqUwNS8u0=",
+      "integrity": "sha512-1qua0RHNtr4nrZBgYlpV0qHHeHpcRRWTxEZJ8xsemoHAXNL5tbooh4tPEEqIqsbWCAJBmUmkwYK/sW5OrFjWWw==",
       "dev": true,
       "requires": {
         "inherits": "^2.0.1",
@@ -6261,7 +6255,7 @@
         "readable-stream": {
           "version": "1.1.14",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
-          "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
+          "integrity": "sha512-+MeVjFf4L44XUkhM1eYbD8fyEsxcV81pqMSR5gblfcLCHfZvbrqy4/qYHE+/R5HoBUT11WV5O08Cr1n3YXkWVQ==",
           "dev": true,
           "requires": {
             "core-util-is": "~1.0.0",
@@ -6269,13 +6263,19 @@
             "isarray": "0.0.1",
             "string_decoder": "~0.10.x"
           }
+        },
+        "string_decoder": {
+          "version": "0.10.31",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "integrity": "sha512-ev2QzSzWPYmy9GuqfIVildA4OdcGLeFZQrq5ys6RtiuF+RQQiZWr8TZNyAcuVXyQRYfEO+MsoB/1BuQVhOJuoQ==",
+          "dev": true
         }
       }
     },
     "level-ws": {
       "version": "0.0.0",
       "resolved": "https://registry.npmjs.org/level-ws/-/level-ws-0.0.0.tgz",
-      "integrity": "sha1-Ny5RIXeSSgBCSwtDrvK7QkltIos=",
+      "integrity": "sha512-XUTaO/+Db51Uiyp/t7fCMGVFOTdtLS/NIACxE/GHsij15mKzxksZifKVjlXDF41JMUP/oM1Oc4YNGdKnc3dVLw==",
       "dev": true,
       "requires": {
         "readable-stream": "~1.0.15",
@@ -6285,7 +6285,7 @@
         "readable-stream": {
           "version": "1.0.34",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
-          "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
+          "integrity": "sha512-ok1qVCJuRkNmvebYikljxJA/UEsKwLl2nI1OmaqAu4/UE+h0wKCHok4XkL/gvi39OacXvw59RJUOFUkDib2rHg==",
           "dev": true,
           "requires": {
             "core-util-is": "~1.0.0",
@@ -6294,10 +6294,16 @@
             "string_decoder": "~0.10.x"
           }
         },
+        "string_decoder": {
+          "version": "0.10.31",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "integrity": "sha512-ev2QzSzWPYmy9GuqfIVildA4OdcGLeFZQrq5ys6RtiuF+RQQiZWr8TZNyAcuVXyQRYfEO+MsoB/1BuQVhOJuoQ==",
+          "dev": true
+        },
         "xtend": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/xtend/-/xtend-2.1.2.tgz",
-          "integrity": "sha1-bv7MKk2tjmlixJAbM3znuoe10os=",
+          "integrity": "sha512-vMNKzr2rHP9Dp/e1NQFnLQlwlhp9L/LfvnsVdHxN1f+uggyVI3i08uD14GPvCToPkdsRfyPqIyYGmIk58V98ZQ==",
           "dev": true,
           "requires": {
             "object-keys": "~0.4.0"
@@ -6360,6 +6366,12 @@
       "integrity": "sha1-sFOuAuSoAIWC5yVrnQK9ptA4A5U=",
       "dev": true
     },
+    "lodash.debounce": {
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/lodash.debounce/-/lodash.debounce-4.0.8.tgz",
+      "integrity": "sha512-FT1yDzDYEoYWhnSGnpE/4Kj1fLZkDFyqRb7fNt6FdYOSxlUWAtp42Eh6Wb0rGIv/m9Bgo7x4GhQbm5Ys4SG5ow==",
+      "dev": true
+    },
     "lodash.difference": {
       "version": "4.5.0",
       "resolved": "https://registry.npmjs.org/lodash.difference/-/lodash.difference-4.5.0.tgz",
@@ -6486,15 +6498,6 @@
       "integrity": "sha1-PNRXSgC2e643OpS3SHcmQFB7eqw=",
       "dev": true
     },
-    "loose-envify": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
-      "integrity": "sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==",
-      "dev": true,
-      "requires": {
-        "js-tokens": "^3.0.0 || ^4.0.0"
-      }
-    },
     "lowercase-keys": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/lowercase-keys/-/lowercase-keys-1.0.1.tgz",
@@ -6514,7 +6517,7 @@
     "ltgt": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/ltgt/-/ltgt-2.2.1.tgz",
-      "integrity": "sha1-81ypHEk/e3PaDgdJUwTxezH4fuU=",
+      "integrity": "sha512-AI2r85+4MquTw9ZYqabu4nMwy9Oftlfa/e/52t9IjtfG+mGBbTNdAoZ3RQKLHR6r0wQnwZnPIEh/Ya6XTWAKNA==",
       "dev": true
     },
     "make-dir": {
@@ -6564,7 +6567,7 @@
     "memdown": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/memdown/-/memdown-1.4.1.tgz",
-      "integrity": "sha1-tOThkhdGZP+65BNhqlAPMRnv4hU=",
+      "integrity": "sha512-iVrGHZB8i4OQfM155xx8akvG9FIj+ht14DX5CQkCTG4EHzZ3d3sgckIf/Lm9ivZalEsFuEVnWv2B2WZvbrro2w==",
       "dev": true,
       "requires": {
         "abstract-leveldown": "~2.7.1",
@@ -6617,7 +6620,51 @@
         "async": {
           "version": "1.5.2",
           "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
-          "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
+          "integrity": "sha512-nSVgobk4rv61R9PUSDtYt7mPVB2olxNR5RWJcAsH676/ef11bUZwvu7+RGYrYauVdDPcO519v68wRhXQtxsV9w==",
+          "dev": true
+        },
+        "elliptic": {
+          "version": "6.5.4",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+          "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.9",
+            "brorand": "^1.1.0",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.1",
+            "inherits": "^2.0.4",
+            "minimalistic-assert": "^1.0.1",
+            "minimalistic-crypto-utils": "^1.0.1"
+          },
+          "dependencies": {
+            "bn.js": {
+              "version": "4.12.0",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+              "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+              "dev": true
+            }
+          }
+        },
+        "ethereumjs-util": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz",
+          "integrity": "sha512-v3kT+7zdyCm1HIqWlLNrHGqHGLpGYIhjeHxQjnDXjLT2FyGJDsd3LWMYUo7pAFRrk86CR3nUJfhC81CCoJNNGQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "elliptic": "^6.5.2",
+            "ethereum-cryptography": "^0.1.3",
+            "ethjs-util": "^0.1.3",
+            "rlp": "^2.0.0",
+            "safe-buffer": "^5.1.1"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
           "dev": true
         }
       }
@@ -6887,10 +6934,31 @@
       "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
       "dev": true
     },
+    "node-addon-api": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-2.0.2.tgz",
+      "integrity": "sha512-Ntyt4AIXyaLIuMHF6IOoTakB3K+RWxwtsHNRxllEoA6vPwP9o4866g6YWDLUdnucilZhmkxiHwHr11gAENw+QA==",
+      "dev": true
+    },
     "node-fetch": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
-      "integrity": "sha1-q4hOjn5X44qUR1POxwb3iNF2i7U=",
+      "version": "2.6.7",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.7.tgz",
+      "integrity": "sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==",
+      "dev": true,
+      "requires": {
+        "whatwg-url": "^5.0.0"
+      }
+    },
+    "node-gyp-build": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/node-gyp-build/-/node-gyp-build-4.5.0.tgz",
+      "integrity": "sha512-2iGbaQBV+ITgCz76ZEjmhUKAKVf7xfY1sRl4UiKQspfZMH2h06SyhNsnSVy50cwkFQDGLyif6m/6uFXHkOZ6rg==",
+      "dev": true
+    },
+    "node-releases": {
+      "version": "2.0.8",
+      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-2.0.8.tgz",
+      "integrity": "sha512-dFSmB8fFHEH/s81Xi+Y/15DQY6VHW81nXRj86EMSL3lmuTmK1e+aT4wrFCkTbm+gSwkw4KpX+rT/pMM2c1mF+A==",
       "dev": true
     },
     "nofilter": {
@@ -6962,16 +7030,10 @@
       "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=",
       "dev": true
     },
-    "object-inspect": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.6.0.tgz",
-      "integrity": "sha512-GJzfBZ6DgDAmnuaM3104jR4s1Myxr3Y3zfIyN4z3UdqN69oSRacNK8UhnobDdC+7J2AHCjGwxQubNJfE70SXXQ==",
-      "dev": true
-    },
     "object-keys": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-0.4.0.tgz",
-      "integrity": "sha1-KKaq50KN0sOpLz2V8hM13SBOAzY=",
+      "integrity": "sha512-ncrLw+X55z7bkl5PnUvHwFK9FcGuFYo9gtjws2XtSzL+aZ8tm830P60WJ0dSmFVaSalWieW5MD7kEdnXda9yJw==",
       "dev": true
     },
     "oboe": {
@@ -7057,12 +7119,6 @@
       "integrity": "sha1-DxMEcVhM0zURxew4yNWSE/msXiA=",
       "dev": true
     },
-    "os-homedir": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
-      "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M=",
-      "dev": true
-    },
     "os-locale": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-2.1.0.tgz",
@@ -7274,6 +7330,12 @@
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
       "dev": true
     },
+    "picocolors": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
+      "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
+      "dev": true
+    },
     "pify": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
@@ -7304,7 +7366,7 @@
     "precond": {
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/precond/-/precond-0.2.3.tgz",
-      "integrity": "sha1-qpWRvKokkj8eD0hJ0kD0fvwQdaw=",
+      "integrity": "sha512-QCYG84SgGyGzqJ/vlMsxeXd/pgL/I94ixdNFyh1PusWmTCyVfPJjZ1K1jvHtsbfnXQs2TSkEP2fR7QiMZAnKFQ==",
       "dev": true
     },
     "prelude-ls": {
@@ -7326,12 +7388,6 @@
       "dev": true,
       "optional": true
     },
-    "private": {
-      "version": "0.1.8",
-      "resolved": "https://registry.npmjs.org/private/-/private-0.1.8.tgz",
-      "integrity": "sha512-VvivMrbvd2nKkiG38qjULzlc+4Vx4wm/whI9pQD35YrARNnhxeiRktSOhSukRLFNlzg6Br/cJPet5J/u19r/mg==",
-      "dev": true
-    },
     "process": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/process/-/process-0.5.2.tgz",
@@ -7353,7 +7409,7 @@
     "promise-to-callback": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/promise-to-callback/-/promise-to-callback-1.0.0.tgz",
-      "integrity": "sha1-XSp0kBC/tn2WNZj805YHRqaP7vc=",
+      "integrity": "sha512-uhMIZmKM5ZteDMfLgJnoSq9GCwsNKrYau73Awf1jIy6/eUcuuZ3P+CD9zUv0kJsIUbU+x6uLNIhXhLHDs1pNPA==",
       "dev": true,
       "requires": {
         "is-fn": "^1.0.0",
@@ -7373,7 +7429,7 @@
     "prr": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/prr/-/prr-1.0.1.tgz",
-      "integrity": "sha1-0/wRS6BplaRexok/SEzrHXj19HY=",
+      "integrity": "sha512-yPw4Sng1gWghHQWj0B3ZggWUm4qVbPwPFcRG8KyxiU7J2OHFSoEHKS+EZ3fv5l1t9CyCiop6l/ZYeWbrgoQejw==",
       "dev": true
     },
     "pseudomap": {
@@ -7532,70 +7588,18 @@
         }
       }
     },
-    "regenerate": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/regenerate/-/regenerate-1.4.0.tgz",
-      "integrity": "sha512-1G6jJVDWrt0rK99kBjvEtziZNCICAuvIPkSiUFIQxVP06RCVpq3dmDo2oi6ABpYaDYaTRr67BEhL8r1wgEZZKg==",
-      "dev": true
-    },
     "regenerator-runtime": {
-      "version": "0.11.1",
-      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz",
-      "integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==",
+      "version": "0.13.11",
+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.11.tgz",
+      "integrity": "sha512-kY1AZVr2Ra+t+piVaJ4gxaFaReZVH40AKNo7UCX6W+dEwBo/2oZJzqfuN1qLq1oL45o56cPaTXELwrTh8Fpggg==",
       "dev": true
     },
-    "regenerator-transform": {
-      "version": "0.10.1",
-      "resolved": "https://registry.npmjs.org/regenerator-transform/-/regenerator-transform-0.10.1.tgz",
-      "integrity": "sha512-PJepbvDbuK1xgIgnau7Y90cwaAmO/LCLMI2mPvaXq2heGMR3aWW5/BQvYrhJ8jgmQjXewXvBjzfqKcVOmhjZ6Q==",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.18.0",
-        "babel-types": "^6.19.0",
-        "private": "^0.1.6"
-      }
-    },
     "regexpp": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-2.0.1.tgz",
       "integrity": "sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw==",
       "dev": true
     },
-    "regexpu-core": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/regexpu-core/-/regexpu-core-2.0.0.tgz",
-      "integrity": "sha1-SdA4g3uNz4v6W5pCE5k45uoq4kA=",
-      "dev": true,
-      "requires": {
-        "regenerate": "^1.2.1",
-        "regjsgen": "^0.2.0",
-        "regjsparser": "^0.1.4"
-      }
-    },
-    "regjsgen": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz",
-      "integrity": "sha1-bAFq3qxVT3WCP+N6wFuS1aTtsfc=",
-      "dev": true
-    },
-    "regjsparser": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz",
-      "integrity": "sha1-fuj4Tcb6eS0/0K4ijSS9lJ6tIFw=",
-      "dev": true,
-      "requires": {
-        "jsesc": "~0.5.0"
-      }
-    },
-    "repeating": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/repeating/-/repeating-2.0.1.tgz",
-      "integrity": "sha1-UhTFOpJtNVJwdSf7q0FdvAjQbdo=",
-      "dev": true,
-      "requires": {
-        "is-finite": "^1.0.0"
-      }
-    },
     "request": {
       "version": "2.88.0",
       "resolved": "https://registry.npmjs.org/request/-/request-2.88.0.tgz",
@@ -7676,15 +7680,6 @@
         "signal-exit": "^3.0.2"
       }
     },
-    "resumer": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/resumer/-/resumer-0.0.0.tgz",
-      "integrity": "sha1-8ej0YeQGS6Oegq883CqMiT0HZ1k=",
-      "dev": true,
-      "requires": {
-        "through": "~2.3.4"
-      }
-    },
     "rimraf": {
       "version": "2.2.8",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.2.8.tgz",
@@ -7808,16 +7803,6 @@
         }
       }
     },
-    "scrypt.js": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/scrypt.js/-/scrypt.js-0.3.0.tgz",
-      "integrity": "sha512-42LTc1nyFsyv/o0gcHtDztrn+aqpkaCNt5Qh7ATBZfhEZU7IC/0oT/qbBH+uRNoAPvs2fwiOId68FDEoSRA8/A==",
-      "dev": true,
-      "requires": {
-        "scrypt": "^6.0.2",
-        "scryptsy": "^1.2.1"
-      }
-    },
     "scryptsy": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/scryptsy/-/scryptsy-1.2.1.tgz",
@@ -7953,7 +7938,7 @@
     "set-immediate-shim": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz",
-      "integrity": "sha1-SysbJ+uAip+NzEgaWOXlb1mfP2E=",
+      "integrity": "sha512-Li5AOqrZWCVA2n5kryzEmqai6bKSIvpz5oUJHPVj6+dsbD3X1ixtsY5tEnsaNpH3pFAHmG8eIHUrtEtohrg+UQ==",
       "dev": true
     },
     "setimmediate": {
@@ -8033,12 +8018,6 @@
         "simple-concat": "^1.0.0"
       }
     },
-    "slash": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/slash/-/slash-1.0.0.tgz",
-      "integrity": "sha1-xB8vbDn8FtHNF61LXYlhFK5HDVU=",
-      "dev": true
-    },
     "slice-ansi": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-2.1.0.tgz",
@@ -8097,21 +8076,6 @@
       "integrity": "sha512-4jtxasNGmyC0midtjH/lTFPZYvTTUMy6agYcF+HoMnzW8+cqo3piFrINb4ZCzpPW+7tTVFCGa5ubP34zOzeuMg==",
       "dev": true
     },
-    "source-map": {
-      "version": "0.5.7",
-      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
-      "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
-      "dev": true
-    },
-    "source-map-support": {
-      "version": "0.4.18",
-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.4.18.tgz",
-      "integrity": "sha512-try0/JqxPLF9nOjvSta7tVondkP5dwgyLDjVoyMDlmjugT2lRZ1OfsrYTkCd2hkDnJTKRbO/Rl3orm8vlsUzbA==",
-      "dev": true,
-      "requires": {
-        "source-map": "^0.5.6"
-      }
-    },
     "spawn-command": {
       "version": "0.0.2-1",
       "resolved": "https://registry.npmjs.org/spawn-command/-/spawn-command-0.0.2-1.tgz",
@@ -8280,10 +8244,21 @@
       }
     },
     "string_decoder": {
-      "version": "0.10.31",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-      "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-      "dev": true
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "~5.2.0"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+          "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+          "dev": true
+        }
+      }
     },
     "strip-ansi": {
       "version": "3.0.1",
@@ -8333,6 +8308,12 @@
         "has-flag": "^3.0.0"
       }
     },
+    "supports-preserve-symlinks-flag": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz",
+      "integrity": "sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w==",
+      "dev": true
+    },
     "swarm-js": {
       "version": "0.1.39",
       "resolved": "https://registry.npmjs.org/swarm-js/-/swarm-js-0.1.39.tgz",
@@ -8440,35 +8421,6 @@
         }
       }
     },
-    "tape": {
-      "version": "4.10.1",
-      "resolved": "https://registry.npmjs.org/tape/-/tape-4.10.1.tgz",
-      "integrity": "sha512-G0DywYV1jQeY3axeYnXUOt6ktnxS9OPJh97FGR3nrua8lhWi1zPflLxcAHavZ7Jf3qUfY7cxcVIVFa4mY2IY1w==",
-      "dev": true,
-      "requires": {
-        "deep-equal": "~1.0.1",
-        "defined": "~1.0.0",
-        "for-each": "~0.3.3",
-        "function-bind": "~1.1.1",
-        "glob": "~7.1.3",
-        "has": "~1.0.3",
-        "inherits": "~2.0.3",
-        "minimist": "~1.2.0",
-        "object-inspect": "~1.6.0",
-        "resolve": "~1.10.0",
-        "resumer": "~0.0.0",
-        "string.prototype.trim": "~1.1.2",
-        "through": "~2.3.8"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-          "dev": true
-        }
-      }
-    },
     "tar": {
       "version": "4.4.8",
       "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.8.tgz",
@@ -8581,16 +8533,6 @@
       "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
       "dev": true
     },
-    "through2": {
-      "version": "2.0.5",
-      "resolved": "https://registry.npmjs.org/through2/-/through2-2.0.5.tgz",
-      "integrity": "sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==",
-      "dev": true,
-      "requires": {
-        "readable-stream": "~2.3.6",
-        "xtend": "~4.0.1"
-      }
-    },
     "timed-out": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/timed-out/-/timed-out-4.0.1.tgz",
@@ -8613,9 +8555,9 @@
       "dev": true
     },
     "to-fast-properties": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
-      "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+      "integrity": "sha512-/OaKK0xYrs3DmxRYqL/yDc+FxFUVYhDlXMhRmv3z915w2HF1tnN1omB354j8VUGO/hbRzyD6Y3sA7v7GS/ceog==",
       "dev": true
     },
     "to-readable-stream": {
@@ -8659,18 +8601,18 @@
         }
       }
     },
+    "tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
+      "dev": true
+    },
     "tree-kill": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.1.tgz",
       "integrity": "sha512-4hjqbObwlh2dLyW4tcz0Ymw0ggoaVDMveUB9w8kFSQScdRLo0gxO9J7WFcUBo+W3C1TLdFIEwNOWebgZZ0RH9Q==",
       "dev": true
     },
-    "trim-right": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz",
-      "integrity": "sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=",
-      "dev": true
-    },
     "truffle": {
       "version": "5.0.12",
       "resolved": "https://registry.npmjs.org/truffle/-/truffle-5.0.12.tgz",
@@ -8708,13 +8650,13 @@
       }
     },
     "truffle-privatekey-provider": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/truffle-privatekey-provider/-/truffle-privatekey-provider-1.1.0.tgz",
-      "integrity": "sha512-zaCBkdarpMbUFhWkLJtyVb210IZ+zqpVQ9F72DS7J9G68CEtmanL7SgJvcvgB41DEJ1EeApu5JpLpu8eHA2NHw==",
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/truffle-privatekey-provider/-/truffle-privatekey-provider-1.5.0.tgz",
+      "integrity": "sha512-Ir0WVXiJsg0M7U6qttPzDB57qEqprpwmBINHAHXOt4AmI1YO0I+LoMHO96rCdoG3N4ZwNc5NWgHw5qDz8qxy9A==",
       "dev": true,
       "requires": {
-        "ethereumjs-wallet": "^0.6.0",
-        "web3-provider-engine": "^14.1.0"
+        "ethereumjs-wallet": "^1.0.0",
+        "web3-provider-engine": "^15.0.12"
       }
     },
     "tslib": {
@@ -8775,12 +8717,6 @@
         "mime-types": "~2.1.18"
       }
     },
-    "typedarray": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
-      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
-      "dev": true
-    },
     "typedarray-to-buffer": {
       "version": "3.1.5",
       "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz",
@@ -8818,6 +8754,16 @@
       "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=",
       "dev": true
     },
+    "update-browserslist-db": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.0.10.tgz",
+      "integrity": "sha512-OztqDenkfFkbSG+tRxBeAnCVPckDBcvibKd35yDONx6OU8N7sqgwc7rCbkJ/WcYtVRZ4ba68d6byhC21GFh7sQ==",
+      "dev": true,
+      "requires": {
+        "escalade": "^3.1.1",
+        "picocolors": "^1.0.0"
+      }
+    },
     "uri-js": {
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
@@ -10706,23 +10652,25 @@
       }
     },
     "web3-provider-engine": {
-      "version": "14.2.0",
-      "resolved": "https://registry.npmjs.org/web3-provider-engine/-/web3-provider-engine-14.2.0.tgz",
-      "integrity": "sha512-sfLH5VhGjJrJJT5WcF8aGehcIKRUQ553q9tjQkkLaKU2AaLsRcwffnnWvrgeTkmKSf0y9dwkDTa48RVp+GUCSg==",
+      "version": "15.0.12",
+      "resolved": "https://registry.npmjs.org/web3-provider-engine/-/web3-provider-engine-15.0.12.tgz",
+      "integrity": "sha512-/OfhQalKPND1iB5ggvGuYF0+SIb2Qj5OFTrT2VrZWP79UhMTdP7T+L2FtblmRdCeOetoAzZHdBaIwLOZsmIX+w==",
       "dev": true,
       "requires": {
         "async": "^2.5.0",
         "backoff": "^2.5.0",
         "clone": "^2.0.0",
         "cross-fetch": "^2.1.0",
-        "eth-block-tracker": "^3.0.0",
-        "eth-json-rpc-infura": "^3.1.0",
+        "eth-block-tracker": "^4.4.2",
+        "eth-json-rpc-errors": "^2.0.2",
+        "eth-json-rpc-filters": "^4.1.1",
+        "eth-json-rpc-infura": "^4.0.1",
+        "eth-json-rpc-middleware": "^4.1.5",
         "eth-sig-util": "^1.4.2",
         "ethereumjs-block": "^1.2.2",
         "ethereumjs-tx": "^1.2.0",
         "ethereumjs-util": "^5.1.5",
         "ethereumjs-vm": "^2.3.4",
-        "json-rpc-error": "^2.0.0",
         "json-stable-stringify": "^1.0.1",
         "promise-to-callback": "^1.0.0",
         "readable-stream": "^2.2.9",
@@ -10731,6 +10679,52 @@
         "ws": "^5.1.1",
         "xhr": "^2.2.0",
         "xtend": "^4.0.1"
+      },
+      "dependencies": {
+        "elliptic": {
+          "version": "6.5.4",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+          "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.9",
+            "brorand": "^1.1.0",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.1",
+            "inherits": "^2.0.4",
+            "minimalistic-assert": "^1.0.1",
+            "minimalistic-crypto-utils": "^1.0.1"
+          },
+          "dependencies": {
+            "bn.js": {
+              "version": "4.12.0",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+              "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+              "dev": true
+            }
+          }
+        },
+        "ethereumjs-util": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz",
+          "integrity": "sha512-v3kT+7zdyCm1HIqWlLNrHGqHGLpGYIhjeHxQjnDXjLT2FyGJDsd3LWMYUo7pAFRrk86CR3nUJfhC81CCoJNNGQ==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "elliptic": "^6.5.2",
+            "ethereum-cryptography": "^0.1.3",
+            "ethjs-util": "^0.1.3",
+            "rlp": "^2.0.0",
+            "safe-buffer": "^5.1.1"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+          "dev": true
+        }
       }
     },
     "web3-providers-http": {
@@ -10982,6 +10976,12 @@
         }
       }
     },
+    "webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
+      "dev": true
+    },
     "websocket": {
       "version": "1.0.28",
       "resolved": "https://registry.npmjs.org/websocket/-/websocket-1.0.28.tgz",
@@ -11017,6 +11017,16 @@
       "integrity": "sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng==",
       "dev": true
     },
+    "whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "dev": true,
+      "requires": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    },
     "which": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
@@ -11080,9 +11090,9 @@
       }
     },
     "ws": {
-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.2.tgz",
-      "integrity": "sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==",
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.3.tgz",
+      "integrity": "sha512-jZArVERrMsKUatIdnLzqvcfydI85dvd/Fp1u/VOpfdDWQ4c9qWXe+VIeAbQ5FrDwciAkr+lzofXLz3Kuf26AOA==",
       "dev": true,
       "requires": {
         "async-limiter": "~1.0.0"
diff --git a/package.json b/package.json
index 23d2b91..370e16f 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "solhint": "^2.0.0",
     "truffle": "^5.0.12",
     "truffle-hdwallet-provider": "^1.0.6",
-    "truffle-privatekey-provider": "^1.1.0",
+    "truffle-privatekey-provider": "^1.5.0",
     "wait-on": "^3.2.0",
     "web3": "^1.0.0-beta.52",
     "zos-lib": "^2.0.1"
diff --git a/yarn.lock b/yarn.lock
index e85c343..307df0a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9,6 +9,61 @@
   dependencies:
     "@babel/highlight" "^7.0.0"
 
+"@babel/compat-data@^7.17.7", "@babel/compat-data@^7.20.5":
+  version "7.20.10"
+  resolved "https://registry.yarnpkg.com/@babel/compat-data/-/compat-data-7.20.10.tgz#9d92fa81b87542fff50e848ed585b4212c1d34ec"
+  integrity sha512-sEnuDPpOJR/fcafHMjpcpGN5M2jbUGUHwmuWKM/YdPzeEDJg8bgmbcWQFUfE32MQjti1koACvoPVsDe8Uq+idg==
+
+"@babel/helper-compilation-targets@^7.17.7":
+  version "7.20.7"
+  resolved "https://registry.yarnpkg.com/@babel/helper-compilation-targets/-/helper-compilation-targets-7.20.7.tgz#a6cd33e93629f5eb473b021aac05df62c4cd09bb"
+  integrity sha512-4tGORmfQcrc+bvrjb5y3dG9Mx1IOZjsHqQVUz7XCNHO+iTmqxWnVg3KRygjGmpRLJGdQSKuvFinbIb0CnZwHAQ==
+  dependencies:
+    "@babel/compat-data" "^7.20.5"
+    "@babel/helper-validator-option" "^7.18.6"
+    browserslist "^4.21.3"
+    lru-cache "^5.1.1"
+    semver "^6.3.0"
+
+"@babel/helper-define-polyfill-provider@^0.3.3":
+  version "0.3.3"
+  resolved "https://registry.yarnpkg.com/@babel/helper-define-polyfill-provider/-/helper-define-polyfill-provider-0.3.3.tgz#8612e55be5d51f0cd1f36b4a5a83924e89884b7a"
+  integrity sha512-z5aQKU4IzbqCC1XH0nAqfsFLMVSo22SBKUc0BxGrLkolTdPTructy0ToNnlO2zA4j9Q/7pjMZf0DSY+DSTYzww==
+  dependencies:
+    "@babel/helper-compilation-targets" "^7.17.7"
+    "@babel/helper-plugin-utils" "^7.16.7"
+    debug "^4.1.1"
+    lodash.debounce "^4.0.8"
+    resolve "^1.14.2"
+    semver "^6.1.2"
+
+"@babel/helper-module-imports@^7.18.6":
+  version "7.18.6"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.18.6.tgz#1e3ebdbbd08aad1437b428c50204db13c5a3ca6e"
+  integrity sha512-0NFvs3VkuSYbFi1x2Vd6tKrywq+z/cLeYC/RJNFrIX/30Bf5aiGYbtvGXolEktzJH8o5E5KJ3tT+nkxuuZFVlA==
+  dependencies:
+    "@babel/types" "^7.18.6"
+
+"@babel/helper-plugin-utils@^7.16.7", "@babel/helper-plugin-utils@^7.19.0":
+  version "7.20.2"
+  resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.20.2.tgz#d1b9000752b18d0877cff85a5c376ce5c3121629"
+  integrity sha512-8RvlJG2mj4huQ4pZ+rU9lqKi9ZKiRmuvGuM2HlWmkmgOhbs6zEAw6IEiJ5cQqGbDzGZOhwuOQNtZMi/ENLjZoQ==
+
+"@babel/helper-string-parser@^7.19.4":
+  version "7.19.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-string-parser/-/helper-string-parser-7.19.4.tgz#38d3acb654b4701a9b77fb0615a96f775c3a9e63"
+  integrity sha512-nHtDoQcuqFmwYNYPz3Rah5ph2p8PFeFCsZk9A/48dPc/rGocJ5J3hAAZ7pb76VWX3fZKu+uEr/FhH5jLx7umrw==
+
+"@babel/helper-validator-identifier@^7.19.1":
+  version "7.19.1"
+  resolved "https://registry.yarnpkg.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.19.1.tgz#7eea834cf32901ffdc1a7ee555e2f9c27e249ca2"
+  integrity sha512-awrNfaMtnHUr653GgGEs++LlAvW6w+DcPrOliSMXWCKo597CwL5Acf/wWdNkf/tfEQE3mjkeD1YOVZOUV/od1w==
+
+"@babel/helper-validator-option@^7.18.6":
+  version "7.18.6"
+  resolved "https://registry.yarnpkg.com/@babel/helper-validator-option/-/helper-validator-option-7.18.6.tgz#bf0d2b5a509b1f336099e4ff36e1a63aa5db4db8"
+  integrity sha512-XO7gESt5ouv/LRJdrVjkShckw6STTaB7l9BrpBaAHDeF5YZT+01PCwmR0SJHnkW6i8OwW/EVWRShfi4j2x+KQw==
+
 "@babel/highlight@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.0.0.tgz#f710c38c8d458e6dd9a201afb637fcb781ce99e4"
@@ -18,6 +73,18 @@
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
+"@babel/plugin-transform-runtime@^7.5.5":
+  version "7.19.6"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-runtime/-/plugin-transform-runtime-7.19.6.tgz#9d2a9dbf4e12644d6f46e5e75bfbf02b5d6e9194"
+  integrity sha512-PRH37lz4JU156lYFW1p8OxE5i7d6Sl/zV58ooyr+q1J1lnQPyg5tIiXlIwNVhJaY4W3TmOtdc8jqdXQcB1v5Yw==
+  dependencies:
+    "@babel/helper-module-imports" "^7.18.6"
+    "@babel/helper-plugin-utils" "^7.19.0"
+    babel-plugin-polyfill-corejs2 "^0.3.3"
+    babel-plugin-polyfill-corejs3 "^0.6.0"
+    babel-plugin-polyfill-regenerator "^0.4.1"
+    semver "^6.3.0"
+
 "@babel/runtime@^7.3.1":
   version "7.4.3"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.4.3.tgz#79888e452034223ad9609187a0ad1fe0d2ad4bdc"
@@ -25,6 +92,460 @@
   dependencies:
     regenerator-runtime "^0.13.2"
 
+"@babel/runtime@^7.4.4", "@babel/runtime@^7.5.5":
+  version "7.20.7"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.20.7.tgz#fcb41a5a70550e04a7b708037c7c32f7f356d8fd"
+  integrity sha512-UF0tvkUtxwAgZ5W/KrkHf0Rn0fdnLDU9ScxBrEVNUprE/MzirjK4MJUX1/BVDv00Sv8cljtukVK1aky++X1SjQ==
+  dependencies:
+    regenerator-runtime "^0.13.11"
+
+"@babel/types@^7.18.6":
+  version "7.20.7"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.20.7.tgz#54ec75e252318423fc07fb644dc6a58a64c09b7f"
+  integrity sha512-69OnhBxSSgK0OzTJai4kyPDiKTIe3j+ctaHdIGVbRahTLAT7L3R9oeXHC2aVSuGYt3cVnoAMDmOCgJ2yaiLMvg==
+  dependencies:
+    "@babel/helper-string-parser" "^7.19.4"
+    "@babel/helper-validator-identifier" "^7.19.1"
+    to-fast-properties "^2.0.0"
+
+"@ensdomains/address-encoder@^0.1.7":
+  version "0.1.9"
+  resolved "https://registry.yarnpkg.com/@ensdomains/address-encoder/-/address-encoder-0.1.9.tgz#f948c485443d9ef7ed2c0c4790e931c33334d02d"
+  integrity sha512-E2d2gP4uxJQnDu2Kfg1tHNspefzbLT8Tyjrm5sEuim32UkU2sm5xL4VXtgc2X33fmPEw9+jUMpGs4veMbf+PYg==
+  dependencies:
+    bech32 "^1.1.3"
+    blakejs "^1.1.0"
+    bn.js "^4.11.8"
+    bs58 "^4.0.1"
+    crypto-addr-codec "^0.1.7"
+    nano-base32 "^1.0.1"
+    ripemd160 "^2.0.2"
+
+"@ensdomains/ens@0.4.5":
+  version "0.4.5"
+  resolved "https://registry.yarnpkg.com/@ensdomains/ens/-/ens-0.4.5.tgz#e0aebc005afdc066447c6e22feb4eda89a5edbfc"
+  integrity sha512-JSvpj1iNMFjK6K+uVl4unqMoa9rf5jopb8cya5UGBWz23Nw8hSNT7efgUx4BTlAPAgpNlEioUfeTyQ6J9ZvTVw==
+  dependencies:
+    bluebird "^3.5.2"
+    eth-ens-namehash "^2.0.8"
+    solc "^0.4.20"
+    testrpc "0.0.1"
+    web3-utils "^1.0.0-beta.31"
+
+"@ensdomains/ensjs@^2.1.0":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@ensdomains/ensjs/-/ensjs-2.1.0.tgz#0a7296c1f3d735ef019320d863a7846a0760c460"
+  integrity sha512-GRbGPT8Z/OJMDuxs75U/jUNEC0tbL0aj7/L/QQznGYKm/tiasp+ndLOaoULy9kKJFC0TBByqfFliEHDgoLhyog==
+  dependencies:
+    "@babel/runtime" "^7.4.4"
+    "@ensdomains/address-encoder" "^0.1.7"
+    "@ensdomains/ens" "0.4.5"
+    "@ensdomains/resolver" "0.2.4"
+    content-hash "^2.5.2"
+    eth-ens-namehash "^2.0.8"
+    ethers "^5.0.13"
+    js-sha3 "^0.8.0"
+
+"@ensdomains/resolver@0.2.4":
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/@ensdomains/resolver/-/resolver-0.2.4.tgz#c10fe28bf5efbf49bff4666d909aed0265efbc89"
+  integrity sha512-bvaTH34PMCbv6anRa9I/0zjLJgY4EuznbEMgbV77JBCQ9KNC46rzi0avuxpOfu+xDjPEtSFGqVEOr5GlUSGudA==
+
+"@ethereumjs/common@2.5.0":
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/@ethereumjs/common/-/common-2.5.0.tgz#ec61551b31bef7a69d1dc634d8932468866a4268"
+  integrity sha512-DEHjW6e38o+JmB/NO3GZBpW4lpaiBpkFgXF6jLcJ6gETBYpEyaA5nTimsWBUJR3Vmtm/didUEbNjajskugZORg==
+  dependencies:
+    crc-32 "^1.2.0"
+    ethereumjs-util "^7.1.1"
+
+"@ethereumjs/common@^2.5.0":
+  version "2.6.5"
+  resolved "https://registry.yarnpkg.com/@ethereumjs/common/-/common-2.6.5.tgz#0a75a22a046272579d91919cb12d84f2756e8d30"
+  integrity sha512-lRyVQOeCDaIVtgfbowla32pzeDv2Obr8oR8Put5RdUBNRGr1VGPGQNGP6elWIpgK3YdpzqTOh4GyUGOureVeeA==
+  dependencies:
+    crc-32 "^1.2.0"
+    ethereumjs-util "^7.1.5"
+
+"@ethereumjs/tx@3.3.2":
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/@ethereumjs/tx/-/tx-3.3.2.tgz#348d4624bf248aaab6c44fec2ae67265efe3db00"
+  integrity sha512-6AaJhwg4ucmwTvw/1qLaZUX5miWrwZ4nLOUsKyb/HtzS3BMw/CasKhdi1ims9mBKeK9sOJCH4qGKOBGyJCeeog==
+  dependencies:
+    "@ethereumjs/common" "^2.5.0"
+    ethereumjs-util "^7.1.2"
+
+"@ethersproject/abi@5.7.0", "@ethersproject/abi@^5.6.3", "@ethersproject/abi@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abi/-/abi-5.7.0.tgz#b3f3e045bbbeed1af3947335c247ad625a44e449"
+  integrity sha512-351ktp42TiRcYB3H1OP8yajPeAQstMW/yCFokj/AthP9bLHzQFPlOrxOcwYEDkUAICmOHljvN4K39OMTMUa9RA==
+  dependencies:
+    "@ethersproject/address" "^5.7.0"
+    "@ethersproject/bignumber" "^5.7.0"
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/constants" "^5.7.0"
+    "@ethersproject/hash" "^5.7.0"
+    "@ethersproject/keccak256" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/properties" "^5.7.0"
+    "@ethersproject/strings" "^5.7.0"
+
+"@ethersproject/abstract-provider@5.7.0", "@ethersproject/abstract-provider@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-provider/-/abstract-provider-5.7.0.tgz#b0a8550f88b6bf9d51f90e4795d48294630cb9ef"
+  integrity sha512-R41c9UkchKCpAqStMYUpdunjo3pkEvZC3FAwZn5S5MGbXoMQOHIdHItezTETxAO5bevtMApSyEhn9+CHcDsWBw==
+  dependencies:
+    "@ethersproject/bignumber" "^5.7.0"
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/networks" "^5.7.0"
+    "@ethersproject/properties" "^5.7.0"
+    "@ethersproject/transactions" "^5.7.0"
+    "@ethersproject/web" "^5.7.0"
+
+"@ethersproject/abstract-signer@5.7.0", "@ethersproject/abstract-signer@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-signer/-/abstract-signer-5.7.0.tgz#13f4f32117868452191a4649723cb086d2b596b2"
+  integrity sha512-a16V8bq1/Cz+TGCkE2OPMTOUDLS3grCpdjoJCYNnVBbdYEMSgKrU0+B90s8b6H+ByYTBZN7a3g76jdIJi7UfKQ==
+  dependencies:
+    "@ethersproject/abstract-provider" "^5.7.0"
+    "@ethersproject/bignumber" "^5.7.0"
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/properties" "^5.7.0"
+
+"@ethersproject/address@5.7.0", "@ethersproject/address@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/address/-/address-5.7.0.tgz#19b56c4d74a3b0a46bfdbb6cfcc0a153fc697f37"
+  integrity sha512-9wYhYt7aghVGo758POM5nqcOMaE168Q6aRLJZwUmiqSrAungkG74gSSeKEIR7ukixesdRZGPgVqme6vmxs1fkA==
+  dependencies:
+    "@ethersproject/bignumber" "^5.7.0"
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/keccak256" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/rlp" "^5.7.0"
+
+"@ethersproject/base64@5.7.0", "@ethersproject/base64@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/base64/-/base64-5.7.0.tgz#ac4ee92aa36c1628173e221d0d01f53692059e1c"
+  integrity sha512-Dr8tcHt2mEbsZr/mwTPIQAf3Ai0Bks/7gTw9dSqk1mQvhW3XvRlmDJr/4n+wg1JmCl16NZue17CDh8xb/vZ0sQ==
+  dependencies:
+    "@ethersproject/bytes" "^5.7.0"
+
+"@ethersproject/basex@5.7.0", "@ethersproject/basex@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/basex/-/basex-5.7.0.tgz#97034dc7e8938a8ca943ab20f8a5e492ece4020b"
+  integrity sha512-ywlh43GwZLv2Voc2gQVTKBoVQ1mti3d8HK5aMxsfu/nRDnMmNqaSJ3r3n85HBByT8OpoY96SXM1FogC533T4zw==
+  dependencies:
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/properties" "^5.7.0"
+
+"@ethersproject/bignumber@5.7.0", "@ethersproject/bignumber@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/bignumber/-/bignumber-5.7.0.tgz#e2f03837f268ba655ffba03a57853e18a18dc9c2"
+  integrity sha512-n1CAdIHRWjSucQO3MC1zPSVgV/6dy/fjL9pMrPP9peL+QxEg9wOsVqwD4+818B6LUEtaXzVHQiuivzRoxPxUGw==
+  dependencies:
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    bn.js "^5.2.1"
+
+"@ethersproject/bytes@5.7.0", "@ethersproject/bytes@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/bytes/-/bytes-5.7.0.tgz#a00f6ea8d7e7534d6d87f47188af1148d71f155d"
+  integrity sha512-nsbxwgFXWh9NyYWo+U8atvmMsSdKJprTcICAkvbBffT75qDocbuggBU0SJiVK2MuTrp0q+xvLkTnGMPK1+uA9A==
+  dependencies:
+    "@ethersproject/logger" "^5.7.0"
+
+"@ethersproject/constants@5.7.0", "@ethersproject/constants@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/constants/-/constants-5.7.0.tgz#df80a9705a7e08984161f09014ea012d1c75295e"
+  integrity sha512-DHI+y5dBNvkpYUMiRQyxRBYBefZkJfo70VUkUAsRjcPs47muV9evftfZ0PJVCXYbAiCgght0DtcF9srFQmIgWA==
+  dependencies:
+    "@ethersproject/bignumber" "^5.7.0"
+
+"@ethersproject/contracts@5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/contracts/-/contracts-5.7.0.tgz#c305e775abd07e48aa590e1a877ed5c316f8bd1e"
+  integrity sha512-5GJbzEU3X+d33CdfPhcyS+z8MzsTrBGk/sc+G+59+tPa9yFkl6HQ9D6L0QMgNTA9q8dT0XKxxkyp883XsQvbbg==
+  dependencies:
+    "@ethersproject/abi" "^5.7.0"
+    "@ethersproject/abstract-provider" "^5.7.0"
+    "@ethersproject/abstract-signer" "^5.7.0"
+    "@ethersproject/address" "^5.7.0"
+    "@ethersproject/bignumber" "^5.7.0"
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/constants" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/properties" "^5.7.0"
+    "@ethersproject/transactions" "^5.7.0"
+
+"@ethersproject/hash@5.7.0", "@ethersproject/hash@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/hash/-/hash-5.7.0.tgz#eb7aca84a588508369562e16e514b539ba5240a7"
+  integrity sha512-qX5WrQfnah1EFnO5zJv1v46a8HW0+E5xuBBDTwMFZLuVTx0tbU2kkx15NqdjxecrLGatQN9FGQKpb1FKdHCt+g==
+  dependencies:
+    "@ethersproject/abstract-signer" "^5.7.0"
+    "@ethersproject/address" "^5.7.0"
+    "@ethersproject/base64" "^5.7.0"
+    "@ethersproject/bignumber" "^5.7.0"
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/keccak256" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/properties" "^5.7.0"
+    "@ethersproject/strings" "^5.7.0"
+
+"@ethersproject/hdnode@5.7.0", "@ethersproject/hdnode@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/hdnode/-/hdnode-5.7.0.tgz#e627ddc6b466bc77aebf1a6b9e47405ca5aef9cf"
+  integrity sha512-OmyYo9EENBPPf4ERhR7oj6uAtUAhYGqOnIS+jE5pTXvdKBS99ikzq1E7Iv0ZQZ5V36Lqx1qZLeak0Ra16qpeOg==
+  dependencies:
+    "@ethersproject/abstract-signer" "^5.7.0"
+    "@ethersproject/basex" "^5.7.0"
+    "@ethersproject/bignumber" "^5.7.0"
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/pbkdf2" "^5.7.0"
+    "@ethersproject/properties" "^5.7.0"
+    "@ethersproject/sha2" "^5.7.0"
+    "@ethersproject/signing-key" "^5.7.0"
+    "@ethersproject/strings" "^5.7.0"
+    "@ethersproject/transactions" "^5.7.0"
+    "@ethersproject/wordlists" "^5.7.0"
+
+"@ethersproject/json-wallets@5.7.0", "@ethersproject/json-wallets@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/json-wallets/-/json-wallets-5.7.0.tgz#5e3355287b548c32b368d91014919ebebddd5360"
+  integrity sha512-8oee5Xgu6+RKgJTkvEMl2wDgSPSAQ9MB/3JYjFV9jlKvcYHUXZC+cQp0njgmxdHkYWn8s6/IqIZYm0YWCjO/0g==
+  dependencies:
+    "@ethersproject/abstract-signer" "^5.7.0"
+    "@ethersproject/address" "^5.7.0"
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/hdnode" "^5.7.0"
+    "@ethersproject/keccak256" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/pbkdf2" "^5.7.0"
+    "@ethersproject/properties" "^5.7.0"
+    "@ethersproject/random" "^5.7.0"
+    "@ethersproject/strings" "^5.7.0"
+    "@ethersproject/transactions" "^5.7.0"
+    aes-js "3.0.0"
+    scrypt-js "3.0.1"
+
+"@ethersproject/keccak256@5.7.0", "@ethersproject/keccak256@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/keccak256/-/keccak256-5.7.0.tgz#3186350c6e1cd6aba7940384ec7d6d9db01f335a"
+  integrity sha512-2UcPboeL/iW+pSg6vZ6ydF8tCnv3Iu/8tUmLLzWWGzxWKFFqOBQFLo6uLUv6BDrLgCDfN28RJ/wtByx+jZ4KBg==
+  dependencies:
+    "@ethersproject/bytes" "^5.7.0"
+    js-sha3 "0.8.0"
+
+"@ethersproject/logger@5.7.0", "@ethersproject/logger@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/logger/-/logger-5.7.0.tgz#6ce9ae168e74fecf287be17062b590852c311892"
+  integrity sha512-0odtFdXu/XHtjQXJYA3u9G0G8btm0ND5Cu8M7i5vhEcE8/HmF4Lbdqanwyv4uQTr2tx6b7fQRmgLrsnpQlmnig==
+
+"@ethersproject/networks@5.7.1", "@ethersproject/networks@^5.7.0":
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/networks/-/networks-5.7.1.tgz#118e1a981d757d45ccea6bb58d9fd3d9db14ead6"
+  integrity sha512-n/MufjFYv3yFcUyfhnXotyDlNdFb7onmkSy8aQERi2PjNcnWQ66xXxa3XlS8nCcA8aJKJjIIMNJTC7tu80GwpQ==
+  dependencies:
+    "@ethersproject/logger" "^5.7.0"
+
+"@ethersproject/pbkdf2@5.7.0", "@ethersproject/pbkdf2@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/pbkdf2/-/pbkdf2-5.7.0.tgz#d2267d0a1f6e123f3771007338c47cccd83d3102"
+  integrity sha512-oR/dBRZR6GTyaofd86DehG72hY6NpAjhabkhxgr3X2FpJtJuodEl2auADWBZfhDHgVCbu3/H/Ocq2uC6dpNjjw==
+  dependencies:
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/sha2" "^5.7.0"
+
+"@ethersproject/properties@5.7.0", "@ethersproject/properties@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/properties/-/properties-5.7.0.tgz#a6e12cb0439b878aaf470f1902a176033067ed30"
+  integrity sha512-J87jy8suntrAkIZtecpxEPxY//szqr1mlBaYlQ0r4RCaiD2hjheqF9s1LVE8vVuJCXisjIP+JgtK/Do54ej4Sw==
+  dependencies:
+    "@ethersproject/logger" "^5.7.0"
+
+"@ethersproject/providers@5.7.2":
+  version "5.7.2"
+  resolved "https://registry.yarnpkg.com/@ethersproject/providers/-/providers-5.7.2.tgz#f8b1a4f275d7ce58cf0a2eec222269a08beb18cb"
+  integrity sha512-g34EWZ1WWAVgr4aptGlVBF8mhl3VWjv+8hoAnzStu8Ah22VHBsuGzP17eb6xDVRzw895G4W7vvx60lFFur/1Rg==
+  dependencies:
+    "@ethersproject/abstract-provider" "^5.7.0"
+    "@ethersproject/abstract-signer" "^5.7.0"
+    "@ethersproject/address" "^5.7.0"
+    "@ethersproject/base64" "^5.7.0"
+    "@ethersproject/basex" "^5.7.0"
+    "@ethersproject/bignumber" "^5.7.0"
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/constants" "^5.7.0"
+    "@ethersproject/hash" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/networks" "^5.7.0"
+    "@ethersproject/properties" "^5.7.0"
+    "@ethersproject/random" "^5.7.0"
+    "@ethersproject/rlp" "^5.7.0"
+    "@ethersproject/sha2" "^5.7.0"
+    "@ethersproject/strings" "^5.7.0"
+    "@ethersproject/transactions" "^5.7.0"
+    "@ethersproject/web" "^5.7.0"
+    bech32 "1.1.4"
+    ws "7.4.6"
+
+"@ethersproject/random@5.7.0", "@ethersproject/random@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/random/-/random-5.7.0.tgz#af19dcbc2484aae078bb03656ec05df66253280c"
+  integrity sha512-19WjScqRA8IIeWclFme75VMXSBvi4e6InrUNuaR4s5pTF2qNhcGdCUwdxUVGtDDqC00sDLCO93jPQoDUH4HVmQ==
+  dependencies:
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+
+"@ethersproject/rlp@5.7.0", "@ethersproject/rlp@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/rlp/-/rlp-5.7.0.tgz#de39e4d5918b9d74d46de93af80b7685a9c21304"
+  integrity sha512-rBxzX2vK8mVF7b0Tol44t5Tb8gomOHkj5guL+HhzQ1yBh/ydjGnpw6at+X6Iw0Kp3OzzzkcKp8N9r0W4kYSs9w==
+  dependencies:
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+
+"@ethersproject/sha2@5.7.0", "@ethersproject/sha2@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/sha2/-/sha2-5.7.0.tgz#9a5f7a7824ef784f7f7680984e593a800480c9fb"
+  integrity sha512-gKlH42riwb3KYp0reLsFTokByAKoJdgFCwI+CCiX/k+Jm2mbNs6oOaCjYQSlI1+XBVejwH2KrmCbMAT/GnRDQw==
+  dependencies:
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    hash.js "1.1.7"
+
+"@ethersproject/signing-key@5.7.0", "@ethersproject/signing-key@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/signing-key/-/signing-key-5.7.0.tgz#06b2df39411b00bc57c7c09b01d1e41cf1b16ab3"
+  integrity sha512-MZdy2nL3wO0u7gkB4nA/pEf8lu1TlFswPNmy8AiYkfKTdO6eXBJyUdmHO/ehm/htHw9K/qF8ujnTyUAD+Ry54Q==
+  dependencies:
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/properties" "^5.7.0"
+    bn.js "^5.2.1"
+    elliptic "6.5.4"
+    hash.js "1.1.7"
+
+"@ethersproject/solidity@5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/solidity/-/solidity-5.7.0.tgz#5e9c911d8a2acce2a5ebb48a5e2e0af20b631cb8"
+  integrity sha512-HmabMd2Dt/raavyaGukF4XxizWKhKQ24DoLtdNbBmNKUOPqwjsKQSdV9GQtj9CBEea9DlzETlVER1gYeXXBGaA==
+  dependencies:
+    "@ethersproject/bignumber" "^5.7.0"
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/keccak256" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/sha2" "^5.7.0"
+    "@ethersproject/strings" "^5.7.0"
+
+"@ethersproject/strings@5.7.0", "@ethersproject/strings@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/strings/-/strings-5.7.0.tgz#54c9d2a7c57ae8f1205c88a9d3a56471e14d5ed2"
+  integrity sha512-/9nu+lj0YswRNSH0NXYqrh8775XNyEdUQAuf3f+SmOrnVewcJ5SBNAjF7lpgehKi4abvNNXyf+HX86czCdJ8Mg==
+  dependencies:
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/constants" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+
+"@ethersproject/transactions@5.7.0", "@ethersproject/transactions@^5.6.2", "@ethersproject/transactions@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/transactions/-/transactions-5.7.0.tgz#91318fc24063e057885a6af13fdb703e1f993d3b"
+  integrity sha512-kmcNicCp1lp8qanMTC3RIikGgoJ80ztTyvtsFvCYpSCfkjhD0jZ2LOrnbcuxuToLIUYYf+4XwD1rP+B/erDIhQ==
+  dependencies:
+    "@ethersproject/address" "^5.7.0"
+    "@ethersproject/bignumber" "^5.7.0"
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/constants" "^5.7.0"
+    "@ethersproject/keccak256" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/properties" "^5.7.0"
+    "@ethersproject/rlp" "^5.7.0"
+    "@ethersproject/signing-key" "^5.7.0"
+
+"@ethersproject/units@5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/units/-/units-5.7.0.tgz#637b563d7e14f42deeee39245275d477aae1d8b1"
+  integrity sha512-pD3xLMy3SJu9kG5xDGI7+xhTEmGXlEqXU4OfNapmfnxLVY4EMSSRp7j1k7eezutBPH7RBN/7QPnwR7hzNlEFeg==
+  dependencies:
+    "@ethersproject/bignumber" "^5.7.0"
+    "@ethersproject/constants" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+
+"@ethersproject/wallet@5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/wallet/-/wallet-5.7.0.tgz#4e5d0790d96fe21d61d38fb40324e6c7ef350b2d"
+  integrity sha512-MhmXlJXEJFBFVKrDLB4ZdDzxcBxQ3rLyCkhNqVu3CDYvR97E+8r01UgrI+TI99Le+aYm/in/0vp86guJuM7FCA==
+  dependencies:
+    "@ethersproject/abstract-provider" "^5.7.0"
+    "@ethersproject/abstract-signer" "^5.7.0"
+    "@ethersproject/address" "^5.7.0"
+    "@ethersproject/bignumber" "^5.7.0"
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/hash" "^5.7.0"
+    "@ethersproject/hdnode" "^5.7.0"
+    "@ethersproject/json-wallets" "^5.7.0"
+    "@ethersproject/keccak256" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/properties" "^5.7.0"
+    "@ethersproject/random" "^5.7.0"
+    "@ethersproject/signing-key" "^5.7.0"
+    "@ethersproject/transactions" "^5.7.0"
+    "@ethersproject/wordlists" "^5.7.0"
+
+"@ethersproject/web@5.7.1", "@ethersproject/web@^5.7.0":
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/web/-/web-5.7.1.tgz#de1f285b373149bee5928f4eb7bcb87ee5fbb4ae"
+  integrity sha512-Gueu8lSvyjBWL4cYsWsjh6MtMwM0+H4HvqFPZfB6dV8ctbP9zFAO73VG1cMWae0FLPCtz0peKPpZY8/ugJJX2w==
+  dependencies:
+    "@ethersproject/base64" "^5.7.0"
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/properties" "^5.7.0"
+    "@ethersproject/strings" "^5.7.0"
+
+"@ethersproject/wordlists@5.7.0", "@ethersproject/wordlists@^5.7.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/wordlists/-/wordlists-5.7.0.tgz#8fb2c07185d68c3e09eb3bfd6e779ba2774627f5"
+  integrity sha512-S2TFNJNfHWVHNE6cNDjbVlZ6MgE17MIxMbMg2zv3wn+3XSJGosL1m9ZVv3GXCf/2ymSsQ+hRI5IzoMJTG6aoVA==
+  dependencies:
+    "@ethersproject/bytes" "^5.7.0"
+    "@ethersproject/hash" "^5.7.0"
+    "@ethersproject/logger" "^5.7.0"
+    "@ethersproject/properties" "^5.7.0"
+    "@ethersproject/strings" "^5.7.0"
+
+"@metamask/safe-event-emitter@^2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@metamask/safe-event-emitter/-/safe-event-emitter-2.0.0.tgz#af577b477c683fad17c619a78208cede06f9605c"
+  integrity sha512-/kSXhY692qiV1MXu6EeOZvg5nECLclxNXcKCxJ3cXQgYuRymRHpdx/t7JXfsK+JLjwA1e1c1/SBrlQYpusC29Q==
+
+"@openzeppelin/contract-loader@^0.6.2":
+  version "0.6.3"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contract-loader/-/contract-loader-0.6.3.tgz#61a7b44de327e40b7d53f39e0fb59bbf847335c3"
+  integrity sha512-cOFIjBjwbGgZhDZsitNgJl0Ye1rd5yu/Yx5LMgeq3u0ZYzldm4uObzHDFq4gjDdoypvyORjjJa3BlFA7eAnVIg==
+  dependencies:
+    find-up "^4.1.0"
+    fs-extra "^8.1.0"
+
+"@openzeppelin/test-helpers@^0.5.3":
+  version "0.5.16"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/test-helpers/-/test-helpers-0.5.16.tgz#2c9054f85069dfbfb5e8cef3ed781e8caf241fb3"
+  integrity sha512-T1EvspSfH1qQO/sgGlskLfYVBbqzJR23SZzYl/6B2JnT4EhThcI85UpvDk0BkLWKaDScQTabGHt4GzHW+3SfZg==
+  dependencies:
+    "@openzeppelin/contract-loader" "^0.6.2"
+    "@truffle/contract" "^4.0.35"
+    ansi-colors "^3.2.3"
+    chai "^4.2.0"
+    chai-bn "^0.2.1"
+    ethjs-abi "^0.2.1"
+    lodash.flatten "^4.4.0"
+    semver "^5.6.0"
+    web3 "^1.2.5"
+    web3-utils "^1.2.5"
+
 "@resolver-engine/core@^0.2.1":
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/@resolver-engine/core/-/core-0.2.1.tgz#0d71803f6d3b8cb2e9ed481a1bf0ca5f5256d0c0"
@@ -59,6 +580,131 @@
     debug "^3.1.0"
     hosted-git-info "^2.6.0"
 
+"@sindresorhus/is@^4.0.0", "@sindresorhus/is@^4.6.0":
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-4.6.0.tgz#3c7c9c46e678feefe7a2e5bb609d3dbd665ffb3f"
+  integrity sha512-t09vSN3MdfsyCHoFcTRCH/iUtG7OJ0CsjzB8cjAmKc/va/kIgeDI/TxsigdncE/4be734m0cvIYwNaV4i2XqAw==
+
+"@szmarczak/http-timer@^4.0.5":
+  version "4.0.6"
+  resolved "https://registry.yarnpkg.com/@szmarczak/http-timer/-/http-timer-4.0.6.tgz#b4a914bb62e7c272d4e5989fe4440f812ab1d807"
+  integrity sha512-4BAffykYOgO+5nzBWYwE3W90sBgLJoUPRWWcL8wlyiM8IB8ipJz3UMJ9KXQd1RKQXpKp8Tutn80HZtWsu2u76w==
+  dependencies:
+    defer-to-connect "^2.0.0"
+
+"@szmarczak/http-timer@^5.0.1":
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/@szmarczak/http-timer/-/http-timer-5.0.1.tgz#c7c1bf1141cdd4751b0399c8fc7b8b664cd5be3a"
+  integrity sha512-+PmQX0PiAYPMeVYe237LJAYvOMYW1j2rH5YROyS3b4CTVJum34HfRvKvAzozHAQG0TnHNdUfY9nCeUyRAs//cw==
+  dependencies:
+    defer-to-connect "^2.0.1"
+
+"@truffle/abi-utils@^0.3.6":
+  version "0.3.6"
+  resolved "https://registry.yarnpkg.com/@truffle/abi-utils/-/abi-utils-0.3.6.tgz#ab35bc437e4c059a5c9a0595cd6df367199493a9"
+  integrity sha512-61aTH2QmwVA1INaPMufRHTsS6jsEhS+GCkuCDdvBDmwctSnCKGDOr185BGt65QrpMRxYmIoH6WFBSNMYxW9GRw==
+  dependencies:
+    change-case "3.0.2"
+    fast-check "3.1.1"
+    web3-utils "1.8.1"
+
+"@truffle/blockchain-utils@^0.1.6":
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/@truffle/blockchain-utils/-/blockchain-utils-0.1.6.tgz#7ea0a16b8135e5aeb688bf3bd014fa8f6ba45adb"
+  integrity sha512-SldoNRIFSm3+HMBnSc2jFsu5TWDkCN4X6vL3wrd0t6DIeF7nD6EoPPjxwbFSoqCnkkRxMuZeL6sUx7UMJS/wSA==
+
+"@truffle/codec@^0.14.11":
+  version "0.14.11"
+  resolved "https://registry.yarnpkg.com/@truffle/codec/-/codec-0.14.11.tgz#60ab828ac5d91bcc4a613e4c2a041abbe29b7002"
+  integrity sha512-NgfMNYemgMXqoEcJA5ZsEhxChCwq33rSxtNxlececEH/1Nf0r+ryfrfmLlyPmv8f3jorVf1GWa0zI0AedGCGYQ==
+  dependencies:
+    "@truffle/abi-utils" "^0.3.6"
+    "@truffle/compile-common" "^0.9.1"
+    big.js "^6.0.3"
+    bn.js "^5.1.3"
+    cbor "^5.2.0"
+    debug "^4.3.1"
+    lodash "^4.17.21"
+    semver "7.3.7"
+    utf8 "^3.0.0"
+    web3-utils "1.8.1"
+
+"@truffle/compile-common@^0.9.1":
+  version "0.9.1"
+  resolved "https://registry.yarnpkg.com/@truffle/compile-common/-/compile-common-0.9.1.tgz#4b36ac57d3e7dfbde0697621c8e6dc613820ef1a"
+  integrity sha512-mhdkX6ExZImHSBO3jGm6aAn8NpVtMTdjq50jRXY/O59/ZNC0J9WpRapxrAKUVNc+XydMdBlfeEpXoqTJg7cbXw==
+  dependencies:
+    "@truffle/error" "^0.1.1"
+    colors "1.4.0"
+
+"@truffle/contract-schema@^3.4.11":
+  version "3.4.11"
+  resolved "https://registry.yarnpkg.com/@truffle/contract-schema/-/contract-schema-3.4.11.tgz#ac5fc8be656b786c2bd5d3a2ca6faeb2949e7ff3"
+  integrity sha512-wReyVZUPyU9Zy5PSCugBLG1nnruBmRAJ/gmoirQiJ9N2n+s1iGBTY49tkDqFMz3XUUE0kplfdb9YKZJlLkTWzQ==
+  dependencies:
+    ajv "^6.10.0"
+    debug "^4.3.1"
+
+"@truffle/contract@^4.0.35":
+  version "4.6.10"
+  resolved "https://registry.yarnpkg.com/@truffle/contract/-/contract-4.6.10.tgz#94b2c59273cd142021a6d2fe4de7ac30f572e184"
+  integrity sha512-69IZSXeQKRP3EutILqe+vLY5A5gUpeXUiZhm/Fy/qHHkP238vMjtOkTZGkY6bonYqmgk+vDY7KSYSYKzDNPdCA==
+  dependencies:
+    "@ensdomains/ensjs" "^2.1.0"
+    "@truffle/blockchain-utils" "^0.1.6"
+    "@truffle/contract-schema" "^3.4.11"
+    "@truffle/debug-utils" "^6.0.42"
+    "@truffle/error" "^0.1.1"
+    "@truffle/interface-adapter" "^0.5.26"
+    bignumber.js "^7.2.1"
+    debug "^4.3.1"
+    ethers "^4.0.32"
+    web3 "1.8.1"
+    web3-core-helpers "1.8.1"
+    web3-core-promievent "1.8.1"
+    web3-eth-abi "1.8.1"
+    web3-utils "1.8.1"
+
+"@truffle/debug-utils@^6.0.42":
+  version "6.0.42"
+  resolved "https://registry.yarnpkg.com/@truffle/debug-utils/-/debug-utils-6.0.42.tgz#433bf2b286d55a25dff03b117a29b751ef2e815c"
+  integrity sha512-9v70tj+My0Z2UZJ9OsuUlfo4Dt2AJqAQa/YWtGe28H8zsi+o9Dca0RsKWecuprdllgzrEs7ad8QUtSINhwjIlg==
+  dependencies:
+    "@truffle/codec" "^0.14.11"
+    "@trufflesuite/chromafi" "^3.0.0"
+    bn.js "^5.1.3"
+    chalk "^2.4.2"
+    debug "^4.3.1"
+    highlightjs-solidity "^2.0.5"
+
+"@truffle/error@^0.1.1":
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/@truffle/error/-/error-0.1.1.tgz#e52026ac8ca7180d83443dca73c03e07ace2a301"
+  integrity sha512-sE7c9IHIGdbK4YayH4BC8i8qMjoAOeg6nUXUDZZp8wlU21/EMpaG+CLx+KqcIPyR+GSWIW3Dm0PXkr2nlggFDA==
+
+"@truffle/interface-adapter@^0.5.26":
+  version "0.5.26"
+  resolved "https://registry.yarnpkg.com/@truffle/interface-adapter/-/interface-adapter-0.5.26.tgz#0eb9db6355e81ca9c44b341fe13a7190041f186a"
+  integrity sha512-fBhoqtT+CT4XKXcOijvw0RIMgyUi3FJg+n5i5PyGBsoRzqbLZd9cZq+oMNjOZPdf3GH68hsOFOaQO5tZH7oZow==
+  dependencies:
+    bn.js "^5.1.3"
+    ethers "^4.0.32"
+    web3 "1.8.1"
+
+"@trufflesuite/chromafi@^3.0.0":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@trufflesuite/chromafi/-/chromafi-3.0.0.tgz#f6956408c1af6a38a6ed1657783ce59504a1eb8b"
+  integrity sha512-oqWcOqn8nT1bwlPPfidfzS55vqcIDdpfzo3HbU9EnUmcSTX+I8z0UyUFI3tZQjByVJulbzxHxUGS3ZJPwK/GPQ==
+  dependencies:
+    camelcase "^4.1.0"
+    chalk "^2.3.2"
+    cheerio "^1.0.0-rc.2"
+    detect-indent "^5.0.0"
+    highlight.js "^10.4.1"
+    lodash.merge "^4.6.2"
+    strip-ansi "^4.0.0"
+    strip-indent "^2.0.0"
+
 "@types/bn.js@*":
   version "4.11.4"
   resolved "https://registry.yarnpkg.com/@types/bn.js/-/bn.js-4.11.4.tgz#a7bed5bdef9f16b25c92ba27745ab261374787d7"
@@ -73,6 +719,35 @@
   dependencies:
     "@types/node" "*"
 
+"@types/bn.js@^5.1.0":
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/@types/bn.js/-/bn.js-5.1.1.tgz#b51e1b55920a4ca26e9285ff79936bbdec910682"
+  integrity sha512-qNrYbZqMx0uJAfKnKclPh+dTwK33KfLHYqtyODwd5HnXOjnkhc4qgn3BrK6RWyGZm5+sIFE7Q7Vz6QQtJB7w7g==
+  dependencies:
+    "@types/node" "*"
+
+"@types/cacheable-request@^6.0.1", "@types/cacheable-request@^6.0.2":
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/@types/cacheable-request/-/cacheable-request-6.0.3.tgz#a430b3260466ca7b5ca5bfd735693b36e7a9d183"
+  integrity sha512-IQ3EbTzGxIigb1I3qPZc1rWJnH0BmSKv5QYTalEwweFvyBDLSAe24zP0le/hyi7ecGfZVlIVAg4BZqb8WBwKqw==
+  dependencies:
+    "@types/http-cache-semantics" "*"
+    "@types/keyv" "^3.1.4"
+    "@types/node" "*"
+    "@types/responselike" "^1.0.0"
+
+"@types/http-cache-semantics@*":
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/@types/http-cache-semantics/-/http-cache-semantics-4.0.1.tgz#0ea7b61496902b95890dc4c3a116b60cb8dae812"
+  integrity sha512-SZs7ekbP8CN0txVG2xVRH6EgKmEm31BOxA07vkFaETzZz1xh+cbt8BcI0slpymvwhx5dlFnQG2rTlPVQn+iRPQ==
+
+"@types/keyv@^3.1.4":
+  version "3.1.4"
+  resolved "https://registry.yarnpkg.com/@types/keyv/-/keyv-3.1.4.tgz#3ccdb1c6751b0c7e52300bcdacd5bcbf8faa75b6"
+  integrity sha512-BQ5aZNSCpj7D6K2ksrRCTmKRLEpnPvWDiLPfoGyhZ++8YtiK9d/3DBKPJgry359X/P1PfruyYwvnvwFjuEiEIg==
+  dependencies:
+    "@types/node" "*"
+
 "@types/node@*":
   version "11.9.4"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-11.9.4.tgz#ceb0048a546db453f6248f2d1d95e937a6f00a14"
@@ -88,6 +763,32 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.9.tgz#a07bfa74331471e1dc22a47eb72026843f7b95c8"
   integrity sha512-eajkMXG812/w3w4a1OcBlaTwsFPO5F7fJ/amy+tieQxEMWBlbV1JGSjkFM+zkHNf81Cad+dfIRA+IBkvmvdAeA==
 
+"@types/node@^12.12.6":
+  version "12.20.55"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.20.55.tgz#c329cbd434c42164f846b909bd6f85b5537f6240"
+  integrity sha512-J8xLz7q2OFulZ2cyGTLE1TbbZcjpno7FaN6zdJNrgAdrJ+DZzh/uFR6YrTb4C+nXakvud8Q4+rbhoIWlYQbUFQ==
+
+"@types/pbkdf2@^3.0.0":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@types/pbkdf2/-/pbkdf2-3.1.0.tgz#039a0e9b67da0cdc4ee5dab865caa6b267bb66b1"
+  integrity sha512-Cf63Rv7jCQ0LaL8tNXmEyqTHuIJxRdlS5vMh1mj5voN4+QFhVZnlZruezqpWYDiJ8UTzhP0VmeLXCmBk66YrMQ==
+  dependencies:
+    "@types/node" "*"
+
+"@types/responselike@^1.0.0":
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/@types/responselike/-/responselike-1.0.0.tgz#251f4fe7d154d2bad125abe1b429b23afd262e29"
+  integrity sha512-85Y2BjiufFzaMIlvJDvTTB8Fxl2xfLo4HgmHzVBz08w4wDePCTjYw66PdrolO0kzli3yam/YCgRufyo1DdQVTA==
+  dependencies:
+    "@types/node" "*"
+
+"@types/secp256k1@^4.0.1":
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/@types/secp256k1/-/secp256k1-4.0.3.tgz#1b8e55d8e00f08ee7220b4d59a6abe89c37a901c"
+  integrity sha512-Da66lEIFeIz9ltsdMZcpQvmrmmoqrfju8pm1BH8WbYjZSwUgCwXLb9C+9XYogwBITnbsSaMdVPb2ekf7TV+03w==
+  dependencies:
+    "@types/node" "*"
+
 "@types/underscore@*":
   version "1.8.9"
   resolved "https://registry.yarnpkg.com/@types/underscore/-/underscore-1.8.9.tgz#fef41f800cd23db1b4f262ddefe49cd952d82323"
@@ -101,6 +802,11 @@
     "@types/bn.js" "*"
     "@types/underscore" "*"
 
+abortcontroller-polyfill@^1.7.3:
+  version "1.7.5"
+  resolved "https://registry.yarnpkg.com/abortcontroller-polyfill/-/abortcontroller-polyfill-1.7.5.tgz#6738495f4e901fbb57b6c0611d0c75f76c485bed"
+  integrity sha512-JMJ5soJWP18htbbxJjG7bG6yuI6pRhgJ0scHHTfkUjf6wjP912xZWvM+A4sJK3gqd9E8fcPbDnOefbA9Th/FIQ==
+
 abstract-leveldown@~2.6.0:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-2.6.3.tgz#1c5e8c6a5ef965ae8c35dfb3a8770c476b82c4b8"
@@ -138,12 +844,12 @@ aes-js@3.0.0:
   resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-3.0.0.tgz#e21df10ad6c2053295bcbb8dab40b09dbea87e4d"
   integrity sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0=
 
-aes-js@^3.1.1:
+aes-js@^3.1.2:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-3.1.2.tgz#db9aabde85d5caabbfc0d4f2a4446960f627146a"
   integrity sha512-e5pEa2kBnBOgR4Y/p20pskXI74UEz7de8ZGVo58asOtvSVG5YAbJeELPZxOmt+Bnz3rX753YKhfIn4X4l1PPRQ==
 
-ajv@^5.1.1, ajv@^5.3.0:
+ajv@^5.3.0:
   version "5.5.2"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.5.2.tgz#73b5eeca3fab653e3d3f9422b341ad42205dc965"
   integrity sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=
@@ -153,6 +859,16 @@ ajv@^5.1.1, ajv@^5.3.0:
     fast-json-stable-stringify "^2.0.0"
     json-schema-traverse "^0.3.0"
 
+ajv@^6.10.0:
+  version "6.12.6"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
+  integrity sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==
+  dependencies:
+    fast-deep-equal "^3.1.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
 ajv@^6.6.1, ajv@^6.9.1:
   version "6.10.0"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.10.0.tgz#90d0d54439da587cd7e843bfb7045f50bd22bdf1"
@@ -188,11 +904,6 @@ ansi-regex@^4.1.0:
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-4.1.0.tgz#8b9f8f08cf1acb843756a839ca8c7e3168c51997"
   integrity sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==
 
-ansi-styles@^2.2.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
-  integrity sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=
-
 ansi-styles@^3.2.0, ansi-styles@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
@@ -265,17 +976,18 @@ async-eventemitter@^0.2.2:
   dependencies:
     async "^2.4.0"
 
-async-eventemitter@ahultgren/async-eventemitter#fa06e39e56786ba541c180061dbf2c0a5bbf951c:
-  version "0.2.3"
-  resolved "https://codeload.github.com/ahultgren/async-eventemitter/tar.gz/fa06e39e56786ba541c180061dbf2c0a5bbf951c"
-  dependencies:
-    async "^2.4.0"
-
 async-limiter@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
   integrity sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==
 
+async-mutex@^0.2.6:
+  version "0.2.6"
+  resolved "https://registry.yarnpkg.com/async-mutex/-/async-mutex-0.2.6.tgz#0d7a3deb978bc2b984d5908a2038e1ae2e54ff40"
+  integrity sha512-Hs4R+4SPgamu6rSGW8C7cV9gaWUKEHykfzCCvIRuaVv636Ju10ZdeUbvb4TBEW0INuq2DHZqXbK4Nd3yG4RaRw==
+  dependencies:
+    tslib "^2.0.0"
+
 async@^1.4.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
@@ -300,6 +1012,11 @@ asynckit@^0.4.0:
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
   integrity sha1-x57Zf380y48robyXkLzDZkdLS3k=
 
+available-typed-arrays@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/available-typed-arrays/-/available-typed-arrays-1.0.5.tgz#92f95616501069d07d10edb2fc37d3e1c65123b7"
+  integrity sha512-DMD0KiN46eipeziST1LPP/STfDU0sufISXmjSgvVsoU2tqxctQeASejWcfNtxYKqETM1UxQ8sp2OrSBWpHY6sw==
+
 aws-sign2@~0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
@@ -318,524 +1035,29 @@ axios@^0.18.0:
     follow-redirects "^1.3.0"
     is-buffer "^1.1.5"
 
-babel-code-frame@^6.26.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.26.0.tgz#63fd43f7dc1e3bb7ce35947db8fe369a3f58c74b"
-  integrity sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=
+babel-plugin-polyfill-corejs2@^0.3.3:
+  version "0.3.3"
+  resolved "https://registry.yarnpkg.com/babel-plugin-polyfill-corejs2/-/babel-plugin-polyfill-corejs2-0.3.3.tgz#5d1bd3836d0a19e1b84bbf2d9640ccb6f951c122"
+  integrity sha512-8hOdmFYFSZhqg2C/JgLUQ+t52o5nirNwaWM2B9LWteozwIvM14VSwdsCAUET10qT+kmySAlseadmfeeSWFCy+Q==
   dependencies:
-    chalk "^1.1.3"
-    esutils "^2.0.2"
-    js-tokens "^3.0.2"
-
-babel-core@^6.0.14, babel-core@^6.26.0:
-  version "6.26.3"
-  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.26.3.tgz#b2e2f09e342d0f0c88e2f02e067794125e75c207"
-  integrity sha512-6jyFLuDmeidKmUEb3NM+/yawG0M2bDZ9Z1qbZP59cyHLz8kYGKYwpJP0UwUKKUiTRNvxfLesJnTedqczP7cTDA==
-  dependencies:
-    babel-code-frame "^6.26.0"
-    babel-generator "^6.26.0"
-    babel-helpers "^6.24.1"
-    babel-messages "^6.23.0"
-    babel-register "^6.26.0"
-    babel-runtime "^6.26.0"
-    babel-template "^6.26.0"
-    babel-traverse "^6.26.0"
-    babel-types "^6.26.0"
-    babylon "^6.18.0"
-    convert-source-map "^1.5.1"
-    debug "^2.6.9"
-    json5 "^0.5.1"
-    lodash "^4.17.4"
-    minimatch "^3.0.4"
-    path-is-absolute "^1.0.1"
-    private "^0.1.8"
-    slash "^1.0.0"
-    source-map "^0.5.7"
-
-babel-generator@^6.26.0:
-  version "6.26.1"
-  resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.26.1.tgz#1844408d3b8f0d35a404ea7ac180f087a601bd90"
-  integrity sha512-HyfwY6ApZj7BYTcJURpM5tznulaBvyio7/0d4zFOeMPUmfxkCjHocCuoLa2SAGzBI8AREcH3eP3758F672DppA==
-  dependencies:
-    babel-messages "^6.23.0"
-    babel-runtime "^6.26.0"
-    babel-types "^6.26.0"
-    detect-indent "^4.0.0"
-    jsesc "^1.3.0"
-    lodash "^4.17.4"
-    source-map "^0.5.7"
-    trim-right "^1.0.1"
-
-babel-helper-builder-binary-assignment-operator-visitor@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-helper-builder-binary-assignment-operator-visitor/-/babel-helper-builder-binary-assignment-operator-visitor-6.24.1.tgz#cce4517ada356f4220bcae8a02c2b346f9a56664"
-  integrity sha1-zORReto1b0IgvK6KAsKzRvmlZmQ=
-  dependencies:
-    babel-helper-explode-assignable-expression "^6.24.1"
-    babel-runtime "^6.22.0"
-    babel-types "^6.24.1"
-
-babel-helper-call-delegate@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-helper-call-delegate/-/babel-helper-call-delegate-6.24.1.tgz#ece6aacddc76e41c3461f88bfc575bd0daa2df8d"
-  integrity sha1-7Oaqzdx25Bw0YfiL/Fdb0Nqi340=
-  dependencies:
-    babel-helper-hoist-variables "^6.24.1"
-    babel-runtime "^6.22.0"
-    babel-traverse "^6.24.1"
-    babel-types "^6.24.1"
-
-babel-helper-define-map@^6.24.1:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-helper-define-map/-/babel-helper-define-map-6.26.0.tgz#a5f56dab41a25f97ecb498c7ebaca9819f95be5f"
-  integrity sha1-pfVtq0GiX5fstJjH66ypgZ+Vvl8=
-  dependencies:
-    babel-helper-function-name "^6.24.1"
-    babel-runtime "^6.26.0"
-    babel-types "^6.26.0"
-    lodash "^4.17.4"
-
-babel-helper-explode-assignable-expression@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-helper-explode-assignable-expression/-/babel-helper-explode-assignable-expression-6.24.1.tgz#f25b82cf7dc10433c55f70592d5746400ac22caa"
-  integrity sha1-8luCz33BBDPFX3BZLVdGQArCLKo=
-  dependencies:
-    babel-runtime "^6.22.0"
-    babel-traverse "^6.24.1"
-    babel-types "^6.24.1"
-
-babel-helper-function-name@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-helper-function-name/-/babel-helper-function-name-6.24.1.tgz#d3475b8c03ed98242a25b48351ab18399d3580a9"
-  integrity sha1-00dbjAPtmCQqJbSDUasYOZ01gKk=
-  dependencies:
-    babel-helper-get-function-arity "^6.24.1"
-    babel-runtime "^6.22.0"
-    babel-template "^6.24.1"
-    babel-traverse "^6.24.1"
-    babel-types "^6.24.1"
-
-babel-helper-get-function-arity@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-helper-get-function-arity/-/babel-helper-get-function-arity-6.24.1.tgz#8f7782aa93407c41d3aa50908f89b031b1b6853d"
-  integrity sha1-j3eCqpNAfEHTqlCQj4mwMbG2hT0=
-  dependencies:
-    babel-runtime "^6.22.0"
-    babel-types "^6.24.1"
-
-babel-helper-hoist-variables@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-helper-hoist-variables/-/babel-helper-hoist-variables-6.24.1.tgz#1ecb27689c9d25513eadbc9914a73f5408be7a76"
-  integrity sha1-HssnaJydJVE+rbyZFKc/VAi+enY=
-  dependencies:
-    babel-runtime "^6.22.0"
-    babel-types "^6.24.1"
-
-babel-helper-optimise-call-expression@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-helper-optimise-call-expression/-/babel-helper-optimise-call-expression-6.24.1.tgz#f7a13427ba9f73f8f4fa993c54a97882d1244257"
-  integrity sha1-96E0J7qfc/j0+pk8VKl4gtEkQlc=
-  dependencies:
-    babel-runtime "^6.22.0"
-    babel-types "^6.24.1"
-
-babel-helper-regex@^6.24.1:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-helper-regex/-/babel-helper-regex-6.26.0.tgz#325c59f902f82f24b74faceed0363954f6495e72"
-  integrity sha1-MlxZ+QL4LyS3T6zu0DY5VPZJXnI=
-  dependencies:
-    babel-runtime "^6.26.0"
-    babel-types "^6.26.0"
-    lodash "^4.17.4"
-
-babel-helper-remap-async-to-generator@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-helper-remap-async-to-generator/-/babel-helper-remap-async-to-generator-6.24.1.tgz#5ec581827ad723fecdd381f1c928390676e4551b"
-  integrity sha1-XsWBgnrXI/7N04HxySg5BnbkVRs=
-  dependencies:
-    babel-helper-function-name "^6.24.1"
-    babel-runtime "^6.22.0"
-    babel-template "^6.24.1"
-    babel-traverse "^6.24.1"
-    babel-types "^6.24.1"
-
-babel-helper-replace-supers@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-helper-replace-supers/-/babel-helper-replace-supers-6.24.1.tgz#bf6dbfe43938d17369a213ca8a8bf74b6a90ab1a"
-  integrity sha1-v22/5Dk40XNpohPKiov3S2qQqxo=
-  dependencies:
-    babel-helper-optimise-call-expression "^6.24.1"
-    babel-messages "^6.23.0"
-    babel-runtime "^6.22.0"
-    babel-template "^6.24.1"
-    babel-traverse "^6.24.1"
-    babel-types "^6.24.1"
-
-babel-helpers@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-helpers/-/babel-helpers-6.24.1.tgz#3471de9caec388e5c850e597e58a26ddf37602b2"
-  integrity sha1-NHHenK7DiOXIUOWX5Yom3fN2ArI=
-  dependencies:
-    babel-runtime "^6.22.0"
-    babel-template "^6.24.1"
-
-babel-messages@^6.23.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-messages/-/babel-messages-6.23.0.tgz#f3cdf4703858035b2a2951c6ec5edf6c62f2630e"
-  integrity sha1-8830cDhYA1sqKVHG7F7fbGLyYw4=
-  dependencies:
-    babel-runtime "^6.22.0"
-
-babel-plugin-check-es2015-constants@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-check-es2015-constants/-/babel-plugin-check-es2015-constants-6.22.0.tgz#35157b101426fd2ffd3da3f75c7d1e91835bbf8a"
-  integrity sha1-NRV7EBQm/S/9PaP3XH0ekYNbv4o=
-  dependencies:
-    babel-runtime "^6.22.0"
-
-babel-plugin-syntax-async-functions@^6.8.0:
-  version "6.13.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
-  integrity sha1-ytnK0RkbWtY0vzCuCHI5HgZHvpU=
-
-babel-plugin-syntax-exponentiation-operator@^6.8.0:
-  version "6.13.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz#9ee7e8337290da95288201a6a57f4170317830de"
-  integrity sha1-nufoM3KQ2pUoggGmpX9BcDF4MN4=
-
-babel-plugin-syntax-trailing-function-commas@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-trailing-function-commas/-/babel-plugin-syntax-trailing-function-commas-6.22.0.tgz#ba0360937f8d06e40180a43fe0d5616fff532cf3"
-  integrity sha1-ugNgk3+NBuQBgKQ/4NVhb/9TLPM=
-
-babel-plugin-transform-async-to-generator@^6.22.0:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-async-to-generator/-/babel-plugin-transform-async-to-generator-6.24.1.tgz#6536e378aff6cb1d5517ac0e40eb3e9fc8d08761"
-  integrity sha1-ZTbjeK/2yx1VF6wOQOs+n8jQh2E=
-  dependencies:
-    babel-helper-remap-async-to-generator "^6.24.1"
-    babel-plugin-syntax-async-functions "^6.8.0"
-    babel-runtime "^6.22.0"
-
-babel-plugin-transform-es2015-arrow-functions@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-arrow-functions/-/babel-plugin-transform-es2015-arrow-functions-6.22.0.tgz#452692cb711d5f79dc7f85e440ce41b9f244d221"
-  integrity sha1-RSaSy3EdX3ncf4XkQM5BufJE0iE=
-  dependencies:
-    babel-runtime "^6.22.0"
-
-babel-plugin-transform-es2015-block-scoped-functions@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-block-scoped-functions/-/babel-plugin-transform-es2015-block-scoped-functions-6.22.0.tgz#bbc51b49f964d70cb8d8e0b94e820246ce3a6141"
-  integrity sha1-u8UbSflk1wy42OC5ToICRs46YUE=
-  dependencies:
-    babel-runtime "^6.22.0"
-
-babel-plugin-transform-es2015-block-scoping@^6.23.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-block-scoping/-/babel-plugin-transform-es2015-block-scoping-6.26.0.tgz#d70f5299c1308d05c12f463813b0a09e73b1895f"
-  integrity sha1-1w9SmcEwjQXBL0Y4E7CgnnOxiV8=
-  dependencies:
-    babel-runtime "^6.26.0"
-    babel-template "^6.26.0"
-    babel-traverse "^6.26.0"
-    babel-types "^6.26.0"
-    lodash "^4.17.4"
-
-babel-plugin-transform-es2015-classes@^6.23.0:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-classes/-/babel-plugin-transform-es2015-classes-6.24.1.tgz#5a4c58a50c9c9461e564b4b2a3bfabc97a2584db"
-  integrity sha1-WkxYpQyclGHlZLSyo7+ryXolhNs=
-  dependencies:
-    babel-helper-define-map "^6.24.1"
-    babel-helper-function-name "^6.24.1"
-    babel-helper-optimise-call-expression "^6.24.1"
-    babel-helper-replace-supers "^6.24.1"
-    babel-messages "^6.23.0"
-    babel-runtime "^6.22.0"
-    babel-template "^6.24.1"
-    babel-traverse "^6.24.1"
-    babel-types "^6.24.1"
-
-babel-plugin-transform-es2015-computed-properties@^6.22.0:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-computed-properties/-/babel-plugin-transform-es2015-computed-properties-6.24.1.tgz#6fe2a8d16895d5634f4cd999b6d3480a308159b3"
-  integrity sha1-b+Ko0WiV1WNPTNmZttNICjCBWbM=
-  dependencies:
-    babel-runtime "^6.22.0"
-    babel-template "^6.24.1"
-
-babel-plugin-transform-es2015-destructuring@^6.23.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-destructuring/-/babel-plugin-transform-es2015-destructuring-6.23.0.tgz#997bb1f1ab967f682d2b0876fe358d60e765c56d"
-  integrity sha1-mXux8auWf2gtKwh2/jWNYOdlxW0=
-  dependencies:
-    babel-runtime "^6.22.0"
-
-babel-plugin-transform-es2015-duplicate-keys@^6.22.0:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-duplicate-keys/-/babel-plugin-transform-es2015-duplicate-keys-6.24.1.tgz#73eb3d310ca969e3ef9ec91c53741a6f1576423e"
-  integrity sha1-c+s9MQypaePvnskcU3QabxV2Qj4=
-  dependencies:
-    babel-runtime "^6.22.0"
-    babel-types "^6.24.1"
-
-babel-plugin-transform-es2015-for-of@^6.23.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-for-of/-/babel-plugin-transform-es2015-for-of-6.23.0.tgz#f47c95b2b613df1d3ecc2fdb7573623c75248691"
-  integrity sha1-9HyVsrYT3x0+zC/bdXNiPHUkhpE=
-  dependencies:
-    babel-runtime "^6.22.0"
-
-babel-plugin-transform-es2015-function-name@^6.22.0:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-function-name/-/babel-plugin-transform-es2015-function-name-6.24.1.tgz#834c89853bc36b1af0f3a4c5dbaa94fd8eacaa8b"
-  integrity sha1-g0yJhTvDaxrw86TF26qU/Y6sqos=
-  dependencies:
-    babel-helper-function-name "^6.24.1"
-    babel-runtime "^6.22.0"
-    babel-types "^6.24.1"
-
-babel-plugin-transform-es2015-literals@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-literals/-/babel-plugin-transform-es2015-literals-6.22.0.tgz#4f54a02d6cd66cf915280019a31d31925377ca2e"
-  integrity sha1-T1SgLWzWbPkVKAAZox0xklN3yi4=
-  dependencies:
-    babel-runtime "^6.22.0"
-
-babel-plugin-transform-es2015-modules-amd@^6.22.0, babel-plugin-transform-es2015-modules-amd@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-amd/-/babel-plugin-transform-es2015-modules-amd-6.24.1.tgz#3b3e54017239842d6d19c3011c4bd2f00a00d154"
-  integrity sha1-Oz5UAXI5hC1tGcMBHEvS8AoA0VQ=
-  dependencies:
-    babel-plugin-transform-es2015-modules-commonjs "^6.24.1"
-    babel-runtime "^6.22.0"
-    babel-template "^6.24.1"
-
-babel-plugin-transform-es2015-modules-commonjs@^6.23.0, babel-plugin-transform-es2015-modules-commonjs@^6.24.1:
-  version "6.26.2"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.26.2.tgz#58a793863a9e7ca870bdc5a881117ffac27db6f3"
-  integrity sha512-CV9ROOHEdrjcwhIaJNBGMBCodN+1cfkwtM1SbUHmvyy35KGT7fohbpOxkE2uLz1o6odKK2Ck/tz47z+VqQfi9Q==
-  dependencies:
-    babel-plugin-transform-strict-mode "^6.24.1"
-    babel-runtime "^6.26.0"
-    babel-template "^6.26.0"
-    babel-types "^6.26.0"
-
-babel-plugin-transform-es2015-modules-systemjs@^6.23.0:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-systemjs/-/babel-plugin-transform-es2015-modules-systemjs-6.24.1.tgz#ff89a142b9119a906195f5f106ecf305d9407d23"
-  integrity sha1-/4mhQrkRmpBhlfXxBuzzBdlAfSM=
-  dependencies:
-    babel-helper-hoist-variables "^6.24.1"
-    babel-runtime "^6.22.0"
-    babel-template "^6.24.1"
-
-babel-plugin-transform-es2015-modules-umd@^6.23.0:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-umd/-/babel-plugin-transform-es2015-modules-umd-6.24.1.tgz#ac997e6285cd18ed6176adb607d602344ad38468"
-  integrity sha1-rJl+YoXNGO1hdq22B9YCNErThGg=
-  dependencies:
-    babel-plugin-transform-es2015-modules-amd "^6.24.1"
-    babel-runtime "^6.22.0"
-    babel-template "^6.24.1"
-
-babel-plugin-transform-es2015-object-super@^6.22.0:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-object-super/-/babel-plugin-transform-es2015-object-super-6.24.1.tgz#24cef69ae21cb83a7f8603dad021f572eb278f8d"
-  integrity sha1-JM72muIcuDp/hgPa0CH1cusnj40=
-  dependencies:
-    babel-helper-replace-supers "^6.24.1"
-    babel-runtime "^6.22.0"
-
-babel-plugin-transform-es2015-parameters@^6.23.0:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-parameters/-/babel-plugin-transform-es2015-parameters-6.24.1.tgz#57ac351ab49caf14a97cd13b09f66fdf0a625f2b"
-  integrity sha1-V6w1GrScrxSpfNE7CfZv3wpiXys=
-  dependencies:
-    babel-helper-call-delegate "^6.24.1"
-    babel-helper-get-function-arity "^6.24.1"
-    babel-runtime "^6.22.0"
-    babel-template "^6.24.1"
-    babel-traverse "^6.24.1"
-    babel-types "^6.24.1"
-
-babel-plugin-transform-es2015-shorthand-properties@^6.22.0:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-shorthand-properties/-/babel-plugin-transform-es2015-shorthand-properties-6.24.1.tgz#24f875d6721c87661bbd99a4622e51f14de38aa0"
-  integrity sha1-JPh11nIch2YbvZmkYi5R8U3jiqA=
-  dependencies:
-    babel-runtime "^6.22.0"
-    babel-types "^6.24.1"
-
-babel-plugin-transform-es2015-spread@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-spread/-/babel-plugin-transform-es2015-spread-6.22.0.tgz#d6d68a99f89aedc4536c81a542e8dd9f1746f8d1"
-  integrity sha1-1taKmfia7cRTbIGlQujdnxdG+NE=
-  dependencies:
-    babel-runtime "^6.22.0"
-
-babel-plugin-transform-es2015-sticky-regex@^6.22.0:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-sticky-regex/-/babel-plugin-transform-es2015-sticky-regex-6.24.1.tgz#00c1cdb1aca71112cdf0cf6126c2ed6b457ccdbc"
-  integrity sha1-AMHNsaynERLN8M9hJsLta0V8zbw=
-  dependencies:
-    babel-helper-regex "^6.24.1"
-    babel-runtime "^6.22.0"
-    babel-types "^6.24.1"
-
-babel-plugin-transform-es2015-template-literals@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-template-literals/-/babel-plugin-transform-es2015-template-literals-6.22.0.tgz#a84b3450f7e9f8f1f6839d6d687da84bb1236d8d"
-  integrity sha1-qEs0UPfp+PH2g51taH2oS7EjbY0=
-  dependencies:
-    babel-runtime "^6.22.0"
-
-babel-plugin-transform-es2015-typeof-symbol@^6.23.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-typeof-symbol/-/babel-plugin-transform-es2015-typeof-symbol-6.23.0.tgz#dec09f1cddff94b52ac73d505c84df59dcceb372"
-  integrity sha1-3sCfHN3/lLUqxz1QXITfWdzOs3I=
-  dependencies:
-    babel-runtime "^6.22.0"
-
-babel-plugin-transform-es2015-unicode-regex@^6.22.0:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-unicode-regex/-/babel-plugin-transform-es2015-unicode-regex-6.24.1.tgz#d38b12f42ea7323f729387f18a7c5ae1faeb35e9"
-  integrity sha1-04sS9C6nMj9yk4fxinxa4frrNek=
-  dependencies:
-    babel-helper-regex "^6.24.1"
-    babel-runtime "^6.22.0"
-    regexpu-core "^2.0.0"
-
-babel-plugin-transform-exponentiation-operator@^6.22.0:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-exponentiation-operator/-/babel-plugin-transform-exponentiation-operator-6.24.1.tgz#2ab0c9c7f3098fa48907772bb813fe41e8de3a0e"
-  integrity sha1-KrDJx/MJj6SJB3cruBP+QejeOg4=
-  dependencies:
-    babel-helper-builder-binary-assignment-operator-visitor "^6.24.1"
-    babel-plugin-syntax-exponentiation-operator "^6.8.0"
-    babel-runtime "^6.22.0"
-
-babel-plugin-transform-regenerator@^6.22.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-regenerator/-/babel-plugin-transform-regenerator-6.26.0.tgz#e0703696fbde27f0a3efcacf8b4dca2f7b3a8f2f"
-  integrity sha1-4HA2lvveJ/Cj78rPi03KL3s6jy8=
-  dependencies:
-    regenerator-transform "^0.10.0"
-
-babel-plugin-transform-strict-mode@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-strict-mode/-/babel-plugin-transform-strict-mode-6.24.1.tgz#d5faf7aa578a65bbe591cf5edae04a0c67020758"
-  integrity sha1-1fr3qleKZbvlkc9e2uBKDGcCB1g=
-  dependencies:
-    babel-runtime "^6.22.0"
-    babel-types "^6.24.1"
-
-babel-preset-env@^1.7.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/babel-preset-env/-/babel-preset-env-1.7.0.tgz#dea79fa4ebeb883cd35dab07e260c1c9c04df77a"
-  integrity sha512-9OR2afuKDneX2/q2EurSftUYM0xGu4O2D9adAhVfADDhrYDaxXV0rBbevVYoY9n6nyX1PmQW/0jtpJvUNr9CHg==
-  dependencies:
-    babel-plugin-check-es2015-constants "^6.22.0"
-    babel-plugin-syntax-trailing-function-commas "^6.22.0"
-    babel-plugin-transform-async-to-generator "^6.22.0"
-    babel-plugin-transform-es2015-arrow-functions "^6.22.0"
-    babel-plugin-transform-es2015-block-scoped-functions "^6.22.0"
-    babel-plugin-transform-es2015-block-scoping "^6.23.0"
-    babel-plugin-transform-es2015-classes "^6.23.0"
-    babel-plugin-transform-es2015-computed-properties "^6.22.0"
-    babel-plugin-transform-es2015-destructuring "^6.23.0"
-    babel-plugin-transform-es2015-duplicate-keys "^6.22.0"
-    babel-plugin-transform-es2015-for-of "^6.23.0"
-    babel-plugin-transform-es2015-function-name "^6.22.0"
-    babel-plugin-transform-es2015-literals "^6.22.0"
-    babel-plugin-transform-es2015-modules-amd "^6.22.0"
-    babel-plugin-transform-es2015-modules-commonjs "^6.23.0"
-    babel-plugin-transform-es2015-modules-systemjs "^6.23.0"
-    babel-plugin-transform-es2015-modules-umd "^6.23.0"
-    babel-plugin-transform-es2015-object-super "^6.22.0"
-    babel-plugin-transform-es2015-parameters "^6.23.0"
-    babel-plugin-transform-es2015-shorthand-properties "^6.22.0"
-    babel-plugin-transform-es2015-spread "^6.22.0"
-    babel-plugin-transform-es2015-sticky-regex "^6.22.0"
-    babel-plugin-transform-es2015-template-literals "^6.22.0"
-    babel-plugin-transform-es2015-typeof-symbol "^6.23.0"
-    babel-plugin-transform-es2015-unicode-regex "^6.22.0"
-    babel-plugin-transform-exponentiation-operator "^6.22.0"
-    babel-plugin-transform-regenerator "^6.22.0"
-    browserslist "^3.2.6"
-    invariant "^2.2.2"
-    semver "^5.3.0"
+    "@babel/compat-data" "^7.17.7"
+    "@babel/helper-define-polyfill-provider" "^0.3.3"
+    semver "^6.1.1"
 
-babel-register@^6.26.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.26.0.tgz#6ed021173e2fcb486d7acb45c6009a856f647071"
-  integrity sha1-btAhFz4vy0htestFxgCahW9kcHE=
+babel-plugin-polyfill-corejs3@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-polyfill-corejs3/-/babel-plugin-polyfill-corejs3-0.6.0.tgz#56ad88237137eade485a71b52f72dbed57c6230a"
+  integrity sha512-+eHqR6OPcBhJOGgsIar7xoAB1GcSwVUA3XjAd7HJNzOXT4wv6/H7KIdA/Nc60cvUlDbKApmqNvD1B1bzOt4nyA==
   dependencies:
-    babel-core "^6.26.0"
-    babel-runtime "^6.26.0"
-    core-js "^2.5.0"
-    home-or-tmp "^2.0.0"
-    lodash "^4.17.4"
-    mkdirp "^0.5.1"
-    source-map-support "^0.4.15"
-
-babel-runtime@^6.18.0, babel-runtime@^6.22.0, babel-runtime@^6.26.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
-  integrity sha1-llxwWGaOgrVde/4E/yM3vItWR/4=
-  dependencies:
-    core-js "^2.4.0"
-    regenerator-runtime "^0.11.0"
-
-babel-template@^6.24.1, babel-template@^6.26.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.26.0.tgz#de03e2d16396b069f46dd9fff8521fb1a0e35e02"
-  integrity sha1-3gPi0WOWsGn0bdn/+FIfsaDjXgI=
-  dependencies:
-    babel-runtime "^6.26.0"
-    babel-traverse "^6.26.0"
-    babel-types "^6.26.0"
-    babylon "^6.18.0"
-    lodash "^4.17.4"
-
-babel-traverse@^6.24.1, babel-traverse@^6.26.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-traverse/-/babel-traverse-6.26.0.tgz#46a9cbd7edcc62c8e5c064e2d2d8d0f4035766ee"
-  integrity sha1-RqnL1+3MYsjlwGTi0tjQ9ANXZu4=
-  dependencies:
-    babel-code-frame "^6.26.0"
-    babel-messages "^6.23.0"
-    babel-runtime "^6.26.0"
-    babel-types "^6.26.0"
-    babylon "^6.18.0"
-    debug "^2.6.8"
-    globals "^9.18.0"
-    invariant "^2.2.2"
-    lodash "^4.17.4"
-
-babel-types@^6.19.0, babel-types@^6.24.1, babel-types@^6.26.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.26.0.tgz#a3b073f94ab49eb6fa55cd65227a334380632497"
-  integrity sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=
-  dependencies:
-    babel-runtime "^6.26.0"
-    esutils "^2.0.2"
-    lodash "^4.17.4"
-    to-fast-properties "^1.0.3"
+    "@babel/helper-define-polyfill-provider" "^0.3.3"
+    core-js-compat "^3.25.1"
 
-babelify@^7.3.0:
-  version "7.3.0"
-  resolved "https://registry.yarnpkg.com/babelify/-/babelify-7.3.0.tgz#aa56aede7067fd7bd549666ee16dc285087e88e5"
-  integrity sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=
+babel-plugin-polyfill-regenerator@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-polyfill-regenerator/-/babel-plugin-polyfill-regenerator-0.4.1.tgz#390f91c38d90473592ed43351e801a9d3e0fd747"
+  integrity sha512-NtQGmyQDXjQqQ+IzRkBVwEOz9lQ4zxAQZgoAYEtU9dJjnl1Oc98qnN7jcp+bE7O7aYzVpavXE3/VKXNzUbh7aw==
   dependencies:
-    babel-core "^6.0.14"
-    object-assign "^4.0.0"
-
-babylon@^6.18.0:
-  version "6.18.0"
-  resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
-  integrity sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==
+    "@babel/helper-define-polyfill-provider" "^0.3.3"
 
 backoff@^2.5.0:
   version "2.5.0"
@@ -856,6 +1078,13 @@ base-x@^3.0.2:
   dependencies:
     safe-buffer "^5.0.1"
 
+base-x@^3.0.8:
+  version "3.0.9"
+  resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.9.tgz#6349aaabb58526332de9f60995e548a53fe21320"
+  integrity sha512-H7JU6iBHTal1gp56aKoaa//YUxEaAOUiydvrV/pILqIHXTtqxSkATOnDA2u+jZ/61sD+L/412+7kzXRtWukhpQ==
+  dependencies:
+    safe-buffer "^5.0.1"
+
 base64-js@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-0.0.8.tgz#1101e9544f4a76b1bc3b26d452ca96d7a35e7978"
@@ -866,6 +1095,11 @@ base64-js@^1.0.2:
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.0.tgz#cab1e6118f051095e58b5281aea8c1cd22bfc0e3"
   integrity sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw==
 
+base64-js@^1.3.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.5.1.tgz#1b1b440160a5bf7ad40b650f095963481903930a"
+  integrity sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==
+
 bcrypt-pbkdf@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz#a4301d389b6a43f9b67ff3ca11a3f6637e360e9e"
@@ -873,11 +1107,31 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
+bech32@1.1.4, bech32@^1.1.3:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/bech32/-/bech32-1.1.4.tgz#e38c9f37bf179b8eb16ae3a772b40c356d4832e9"
+  integrity sha512-s0IrSOzLlbvX7yp4WBfPITzpAU8sqQcpsmwXDiKwrG4r491vwCO/XpejasRNl0piBMe/DvP4Tz0mIS/X1DPJBQ==
+
+big-integer@1.6.36:
+  version "1.6.36"
+  resolved "https://registry.yarnpkg.com/big-integer/-/big-integer-1.6.36.tgz#78631076265d4ae3555c04f85e7d9d2f3a071a36"
+  integrity sha512-t70bfa7HYEA1D9idDbmuv7YbsbVkQ+Hp+8KFSul4aE5e/i1bjCNIRYJZlA8Q8p0r9T8cF/RVvwUgRA//FydEyg==
+
+big.js@^6.0.3:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/big.js/-/big.js-6.2.1.tgz#7205ce763efb17c2e41f26f121c420c6a7c2744f"
+  integrity sha512-bCtHMwL9LeDIozFn+oNhhFoq+yQ3BNdnsLSASUxLciOb1vgvpHsIO1dsENiGMgbb4SkP5TrzWzRiLddn8ahVOQ==
+
 bignumber.js@^7.2.0, bignumber.js@^7.2.1:
   version "7.2.1"
   resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-7.2.1.tgz#80c048759d826800807c4bfd521e50edbba57a5f"
   integrity sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ==
 
+bignumber.js@^9.0.0, bignumber.js@^9.0.1:
+  version "9.1.1"
+  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.1.1.tgz#c4df7dc496bd849d4c9464344c1aa74228b4dac6"
+  integrity sha512-pHm4LsMJ6lzgNGVfZHjMoO8sdoRhOzOH4MLmY65Jg70bpxCKu5iOHNJyfF6OyvYw7t8Fpf35RuzUyqnQsj8Vig==
+
 bindings@^1.2.1, bindings@^1.3.1:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.4.0.tgz#909efa49f2ebe07ecd3cb136778f665052040127"
@@ -900,6 +1154,11 @@ bl@^1.0.0:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"
 
+blakejs@^1.1.0:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/blakejs/-/blakejs-1.2.1.tgz#5057e4206eadb4a97f7c0b6e197a505042fc3814"
+  integrity sha512-QXUSXI3QVc/gJME0dBpXrag1kbzOqCjCX8/b54ntNyW6sjtoqxqRk3LTmXzaJoh71zMsDCjM+47jS7XiwN/+fQ==
+
 block-stream@*:
   version "0.0.9"
   resolved "https://registry.yarnpkg.com/block-stream/-/block-stream-0.0.9.tgz#13ebfe778a03205cfe03751481ebb4b3300c126a"
@@ -917,6 +1176,11 @@ bluebird@^3.5.0:
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.3.tgz#7d01c6f9616c9a51ab0f8c549a79dfe6ec33efa7"
   integrity sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw==
 
+bluebird@^3.5.2:
+  version "3.7.2"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
+  integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
+
 bn.js@4.11.6:
   version "4.11.6"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.6.tgz#53344adb14617a13f6e8dd2ce28905d1c0ba3215"
@@ -927,6 +1191,16 @@ bn.js@4.11.8, bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.10.0, bn.js@^4.
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
   integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
 
+bn.js@^4.11.9:
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.12.0.tgz#775b3f278efbb9718eec7361f483fb36fbbfea88"
+  integrity sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==
+
+bn.js@^5.1.2, bn.js@^5.1.3, bn.js@^5.2.0, bn.js@^5.2.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-5.2.1.tgz#0bc527a6a0d18d0aa8d5b0538ce4a77dccfa7b70"
+  integrity sha512-eXRvHzWyYPBuB4NBy0cmYQjGitUrtqwbvlzP3G6VFnNRbsZQIxQ10PbKKHt8gZ/HW/D/747aDl+QkDqg3KQLMQ==
+
 body-parser@1.18.3, body-parser@^1.16.0:
   version "1.18.3"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.3.tgz#5b292198ffdd553b3a0f20ded0592b956955c8b4"
@@ -943,6 +1217,11 @@ body-parser@1.18.3, body-parser@^1.16.0:
     raw-body "2.3.3"
     type-is "~1.6.16"
 
+boolbase@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/boolbase/-/boolbase-1.0.0.tgz#68dff5fbe60c51eb37725ea9e3ed310dcc1e776e"
+  integrity sha512-JZOSA7Mo9sNGB8+UjSgzdLtokWAky1zbztM3WRLCbZ70/3cTANmQmOdR7y2g+J0e2WXywy1yS468tY+IruqEww==
+
 brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
@@ -951,7 +1230,7 @@ brace-expansion@^1.1.7:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
-brorand@^1.0.1:
+brorand@^1.0.1, brorand@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
   integrity sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=
@@ -961,7 +1240,7 @@ browser-stdout@1.3.0:
   resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.0.tgz#f351d32969d32fa5d7a5567154263d928ae3bd1f"
   integrity sha1-81HTKWnTL6XXpVZxVCY9korjvR8=
 
-browserify-aes@^1.0.0, browserify-aes@^1.0.4, browserify-aes@^1.0.6:
+browserify-aes@^1.0.0, browserify-aes@^1.0.4, browserify-aes@^1.0.6, browserify-aes@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
   integrity sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==
@@ -1020,20 +1299,17 @@ browserify-sign@^4.0.0:
     inherits "^2.0.1"
     parse-asn1 "^5.0.0"
 
-browserslist@^3.2.6:
-  version "3.2.8"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-3.2.8.tgz#b0005361d6471f0f5952797a76fc985f1f978fc6"
-  integrity sha512-WHVocJYavUwVgVViC0ORikPHQquXwVh939TaelZ4WDqpWgTX/FsGhl/+P4qBUAGcRvtOgDgC+xftNWWp2RUTAQ==
+browserslist@^4.21.3, browserslist@^4.21.4:
+  version "4.21.4"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.21.4.tgz#e7496bbc67b9e39dd0f98565feccdcb0d4ff6987"
+  integrity sha512-CBHJJdDmgjl3daYjN5Cp5kbTf1mUhZoS+beLklHIvkOWscs83YAhLlF3Wsh/lciQYAcbBJgTOD44VtG31ZM4Hw==
   dependencies:
-    caniuse-lite "^1.0.30000844"
-    electron-to-chromium "^1.3.47"
-
-bs58@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/bs58/-/bs58-2.0.1.tgz#55908d58f1982aba2008fa1bed8f91998a29bf8d"
-  integrity sha1-VZCNWPGYKrogCPob7Y+RmYopv40=
+    caniuse-lite "^1.0.30001400"
+    electron-to-chromium "^1.4.251"
+    node-releases "^2.0.6"
+    update-browserslist-db "^1.0.9"
 
-bs58@^4.0.0:
+bs58@^4.0.0, bs58@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/bs58/-/bs58-4.0.1.tgz#be161e76c354f6f788ae4071f63f34e8c4f0a42a"
   integrity sha1-vhYedsNU9veIrkBx9j806MTwpCo=
@@ -1049,6 +1325,11 @@ bs58check@^2.1.2:
     create-hash "^1.1.0"
     safe-buffer "^5.1.2"
 
+btoa@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/btoa/-/btoa-1.2.1.tgz#01a9909f8b2c93f6bf680ba26131eb30f7fa3d73"
+  integrity sha512-SB4/MIGlsiVkMcHmT+pSmIPoNDoHg+7cMzmt3Uxt628MTz2487DKSqK/fuhFBrkuqrYv5UCEnACpF4dTFNKc/g==
+
 buffer-alloc-unsafe@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz#bd7dc26ae2972d0eda253be061dba992349c19f0"
@@ -1087,6 +1368,14 @@ buffer-xor@^1.0.3:
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
   integrity sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=
 
+buffer@6.0.3:
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-6.0.3.tgz#2ace578459cc8fbe2a70aaa8f52ee63b6a74c6c6"
+  integrity sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==
+  dependencies:
+    base64-js "^1.3.1"
+    ieee754 "^1.2.1"
+
 buffer@^3.0.1:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/buffer/-/buffer-3.6.0.tgz#a72c936f77b96bf52f5f7e7b467180628551defb"
@@ -1104,6 +1393,21 @@ buffer@^5.0.5:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
 
+buffer@^5.5.0, buffer@^5.6.0:
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.7.1.tgz#ba62e7c13133053582197160851a8f648e99eed0"
+  integrity sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==
+  dependencies:
+    base64-js "^1.3.1"
+    ieee754 "^1.1.13"
+
+bufferutil@^4.0.1:
+  version "4.0.7"
+  resolved "https://registry.yarnpkg.com/bufferutil/-/bufferutil-4.0.7.tgz#60c0d19ba2c992dd8273d3f73772ffc894c153ad"
+  integrity sha512-kukuqc39WOHtdxtw4UScxF/WVnMFVSQVKhtx3AjZJzhd0RGZZldcrfSEbVsWWe6KNH253574cq5F+wpv0G9pJw==
+  dependencies:
+    node-gyp-build "^4.3.0"
+
 builtin-modules@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
@@ -1114,6 +1418,37 @@ bytes@3.0.0:
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
   integrity sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=
 
+cacheable-lookup@^5.0.3:
+  version "5.0.4"
+  resolved "https://registry.yarnpkg.com/cacheable-lookup/-/cacheable-lookup-5.0.4.tgz#5a6b865b2c44357be3d5ebc2a467b032719a7005"
+  integrity sha512-2/kNscPhpcxrOigMZzbiWF7dz8ilhb/nIHU3EyZiXWXpeq/au8qJ8VhdftMkty3n7Gj6HIGalQG8oiBNB3AJgA==
+
+cacheable-lookup@^6.0.4:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/cacheable-lookup/-/cacheable-lookup-6.1.0.tgz#0330a543471c61faa4e9035db583aad753b36385"
+  integrity sha512-KJ/Dmo1lDDhmW2XDPMo+9oiy/CeqosPguPCrgcVzKyZrL6pM1gU2GmPY/xo6OQPTUaA/c0kwHuywB4E6nmT9ww==
+
+cacheable-request@^7.0.2:
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/cacheable-request/-/cacheable-request-7.0.2.tgz#ea0d0b889364a25854757301ca12b2da77f91d27"
+  integrity sha512-pouW8/FmiPQbuGpkXQ9BAPv/Mo5xDGANgSNXzTzJ8DrKGuXOssM4wIQRjfanNRh3Yu5cfYPvcorqbhg2KIJtew==
+  dependencies:
+    clone-response "^1.0.2"
+    get-stream "^5.1.0"
+    http-cache-semantics "^4.0.0"
+    keyv "^4.0.0"
+    lowercase-keys "^2.0.0"
+    normalize-url "^6.0.1"
+    responselike "^2.0.0"
+
+call-bind@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.2.tgz#b1d4e89e688119c3c9a903ad30abb2f6a919be3c"
+  integrity sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA==
+  dependencies:
+    function-bind "^1.1.1"
+    get-intrinsic "^1.0.2"
+
 caller-callsite@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/caller-callsite/-/caller-callsite-2.0.0.tgz#847e0fce0a223750a9a027c54b33731ad3154134"
@@ -1138,6 +1473,14 @@ callsites@^3.0.0:
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-3.1.0.tgz#b3630abd8943432f54b3f0519238e33cd7df2f73"
   integrity sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==
 
+camel-case@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/camel-case/-/camel-case-3.0.0.tgz#ca3c3688a4e9cf3a4cda777dc4dcbc713249cf73"
+  integrity sha512-+MbKztAYHXPr1jNTSKQF52VpcFjwY5RkR7fxksV8Doo4KAYc5Fl4UJRgthBbTmEx8C54DqahhbLJkDwjI3PI/w==
+  dependencies:
+    no-case "^2.2.0"
+    upper-case "^1.1.1"
+
 camelcase@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
@@ -1153,20 +1496,28 @@ camelcase@^5.0.0:
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
   integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
 
-caniuse-lite@^1.0.30000844:
-  version "1.0.30000938"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000938.tgz#b64bf1427438df40183fce910fe24e34feda7a3f"
-  integrity sha512-ekW8NQ3/FvokviDxhdKLZZAx7PptXNwxKgXtnR5y+PR3hckwuP3yJ1Ir+4/c97dsHNqtAyfKUGdw8P4EYzBNgw==
+caniuse-lite@^1.0.30001400:
+  version "1.0.30001441"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001441.tgz#987437b266260b640a23cd18fbddb509d7f69f3e"
+  integrity sha512-OyxRR4Vof59I3yGWXws6i908EtGbMzVUi3ganaZQHmydk1iwDhRnvaPG2WaR0KcqrDFKrxVZHULT396LEPhXfg==
 
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
   integrity sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=
 
-chai-bn@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/chai-bn/-/chai-bn-0.1.1.tgz#a8904b2dc878e5c094881f327c0029579ff2062b"
-  integrity sha512-e1npVXt3cQfZ6oQET9oP38vNj/4HeJ4ojeUpuC8YzhVbTJpIDqANVt7TKi7Dq9yKlHySk2FqbmiMih35iT4DYg==
+cbor@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/cbor/-/cbor-5.2.0.tgz#4cca67783ccd6de7b50ab4ed62636712f287a67c"
+  integrity sha512-5IMhi9e1QU76ppa5/ajP1BmMWZ2FHkhAhjeVKQ/EFCgYSEaeVaoGtL7cxJskf9oCCk+XjzaIdc3IuU/dbA/o2A==
+  dependencies:
+    bignumber.js "^9.0.1"
+    nofilter "^1.0.4"
+
+chai-bn@^0.2.1:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/chai-bn/-/chai-bn-0.2.2.tgz#4dcf30dbc79db2378a00781693bc749c972bf34f"
+  integrity sha512-MzjelH0p8vWn65QKmEq/DLBG1Hle4WeyqT79ANhXZhn/UxRWO0OogkAxi5oGGtfzwU9bZR8mvbvYdoqNVWQwFg==
 
 chai@^4.2.0:
   version "4.2.0"
@@ -1180,18 +1531,7 @@ chai@^4.2.0:
     pathval "^1.1.0"
     type-detect "^4.0.5"
 
-chalk@^1.1.3:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
-  integrity sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=
-  dependencies:
-    ansi-styles "^2.2.1"
-    escape-string-regexp "^1.0.2"
-    has-ansi "^2.0.0"
-    strip-ansi "^3.0.0"
-    supports-color "^2.0.0"
-
-chalk@^2.0.0, chalk@^2.1.0, chalk@^2.4.2:
+chalk@^2.0.0, chalk@^2.1.0, chalk@^2.3.2, chalk@^2.4.2:
   version "2.4.2"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
   integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
@@ -1209,6 +1549,30 @@ chalk@^2.4.1:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
+change-case@3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/change-case/-/change-case-3.0.2.tgz#fd48746cce02f03f0a672577d1d3a8dc2eceb037"
+  integrity sha512-Mww+SLF6MZ0U6kdg11algyKd5BARbyM4TbFBepwowYSR5ClfQGCGtxNXgykpN0uF/bstWeaGDT4JWaDh8zWAHA==
+  dependencies:
+    camel-case "^3.0.0"
+    constant-case "^2.0.0"
+    dot-case "^2.1.0"
+    header-case "^1.0.0"
+    is-lower-case "^1.1.0"
+    is-upper-case "^1.1.0"
+    lower-case "^1.1.1"
+    lower-case-first "^1.0.0"
+    no-case "^2.3.2"
+    param-case "^2.1.0"
+    pascal-case "^2.0.0"
+    path-case "^2.1.0"
+    sentence-case "^2.1.0"
+    snake-case "^2.1.0"
+    swap-case "^1.1.0"
+    title-case "^2.1.0"
+    upper-case "^1.1.1"
+    upper-case-first "^1.1.0"
+
 chardet@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.7.0.tgz#90094849f0937f2eedc2425d0d28a9e5f0cbad9e"
@@ -1226,11 +1590,47 @@ checkpoint-store@^1.1.0:
   dependencies:
     functional-red-black-tree "^1.0.1"
 
+cheerio-select@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/cheerio-select/-/cheerio-select-2.1.0.tgz#4d8673286b8126ca2a8e42740d5e3c4884ae21b4"
+  integrity sha512-9v9kG0LvzrlcungtnJtpGNxY+fzECQKhK4EGJX2vByejiMX84MFNQw4UxPJl3bFbTMw+Dfs37XaIkCwTZfLh4g==
+  dependencies:
+    boolbase "^1.0.0"
+    css-select "^5.1.0"
+    css-what "^6.1.0"
+    domelementtype "^2.3.0"
+    domhandler "^5.0.3"
+    domutils "^3.0.1"
+
+cheerio@^1.0.0-rc.2:
+  version "1.0.0-rc.12"
+  resolved "https://registry.yarnpkg.com/cheerio/-/cheerio-1.0.0-rc.12.tgz#788bf7466506b1c6bf5fae51d24a2c4d62e47683"
+  integrity sha512-VqR8m68vM46BNnuZ5NtnGBKIE/DfN0cRIzg9n40EIq9NOv90ayxLBXA8fXC5gquFRGJSTRqBq25Jt2ECLR431Q==
+  dependencies:
+    cheerio-select "^2.1.0"
+    dom-serializer "^2.0.0"
+    domhandler "^5.0.3"
+    domutils "^3.0.1"
+    htmlparser2 "^8.0.1"
+    parse5 "^7.0.0"
+    parse5-htmlparser2-tree-adapter "^7.0.0"
+
 chownr@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.1.tgz#54726b8b8fff4df053c42187e801fb4412df1494"
   integrity sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g==
 
+cids@^0.7.1:
+  version "0.7.5"
+  resolved "https://registry.yarnpkg.com/cids/-/cids-0.7.5.tgz#60a08138a99bfb69b6be4ceb63bfef7a396b28b2"
+  integrity sha512-zT7mPeghoWAu+ppn8+BS1tQ5qGmbMfB4AregnQjA/qHY3GC1m1ptI9GkWNlgeu38r7CuRdXB47uY2XgAYt6QVA==
+  dependencies:
+    buffer "^5.5.0"
+    class-is "^1.1.0"
+    multibase "~0.6.0"
+    multicodec "^1.0.0"
+    multihashes "~0.4.15"
+
 cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/cipher-base/-/cipher-base-1.0.4.tgz#8760e4ecc272f4c363532f926d874aae2c1397de"
@@ -1239,6 +1639,11 @@ cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
+class-is@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/class-is/-/class-is-1.1.0.tgz#9d3c0fba0440d211d843cec3dedfa48055005825"
+  integrity sha512-rhjH9AG1fvabIDoGRVH587413LPjTZgmDF9fOFCbFJQV4yuocX1mHxxvXI4g3cGwbVY9wAYIoKlg1N79frJKQw==
+
 cli-cursor@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-2.1.0.tgz#b35dac376479facc3e94747d41d0d0f5238ffcb5"
@@ -1269,7 +1674,14 @@ cliui@^4.0.0:
     strip-ansi "^4.0.0"
     wrap-ansi "^2.0.0"
 
-clone@^2.0.0:
+clone-response@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/clone-response/-/clone-response-1.0.3.tgz#af2032aa47816399cf5f0a1d0db902f517abb8c3"
+  integrity sha512-ROoL94jJH2dUVML2Y/5PEDNaSHgeOdSDicUyS7izcF63G6sTc/FTjLub4b8Il9S8S0beOfYt0TaA5qvFK+w0wA==
+  dependencies:
+    mimic-response "^1.0.0"
+
+clone@^2.0.0, clone@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/clone/-/clone-2.1.2.tgz#1b7f4b9f591f1e8f83670401600345a02887435f"
   integrity sha1-G39Ln1kfHo+DZwQBYANFoCiHQ18=
@@ -1284,14 +1696,6 @@ code-point-at@^1.0.0:
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
   integrity sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=
 
-coinstring@^2.0.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/coinstring/-/coinstring-2.3.0.tgz#cdb63363a961502404a25afb82c2e26d5ff627a4"
-  integrity sha1-zbYzY6lhUCQEolr7gsLibV/2J6Q=
-  dependencies:
-    bs58 "^2.0.1"
-    create-hash "^1.1.1"
-
 color-convert@^1.9.0:
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
@@ -1304,6 +1708,11 @@ color-name@1.1.3:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
   integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
 
+colors@1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/colors/-/colors-1.4.0.tgz#c50491479d4c1bdaed2c9ced32cf7c7dc2360f78"
+  integrity sha512-a+UqTh4kgZg/SlGvfbzDHpgRu7AAQOmmqRHJnxhRZICKFUT91brVhNNt58CMWU9PsBbv3PDCZUHbVxuDiH2mtA==
+
 combined-stream@^1.0.6, combined-stream@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.7.tgz#2d1d24317afb8abe95d6d2c0b07b57813539d828"
@@ -1338,16 +1747,6 @@ concat-map@0.0.1:
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
   integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
 
-concat-stream@^1.5.1:
-  version "1.6.2"
-  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
-  integrity sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==
-  dependencies:
-    buffer-from "^1.0.0"
-    inherits "^2.0.3"
-    readable-stream "^2.2.2"
-    typedarray "^0.0.6"
-
 concurrently@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/concurrently/-/concurrently-4.1.0.tgz#17fdf067da71210685d9ea554423ef239da30d33"
@@ -1363,23 +1762,33 @@ concurrently@^4.1.0:
     tree-kill "^1.1.0"
     yargs "^12.0.1"
 
+constant-case@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/constant-case/-/constant-case-2.0.0.tgz#4175764d389d3fa9c8ecd29186ed6005243b6a46"
+  integrity sha512-eS0N9WwmjTqrOmR3o83F5vW8Z+9R1HnVz3xmzT2PMFug9ly+Au/fxRWlEBSb6LcZwspSsEn9Xs1uw9YgzAg1EQ==
+  dependencies:
+    snake-case "^2.1.0"
+    upper-case "^1.1.1"
+
 content-disposition@0.5.2:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.2.tgz#0cf68bb9ddf5f2be7961c3a85178cb85dba78cb4"
   integrity sha1-DPaLud318r55YcOoUXjLhdunjLQ=
 
+content-hash@^2.5.2:
+  version "2.5.2"
+  resolved "https://registry.yarnpkg.com/content-hash/-/content-hash-2.5.2.tgz#bbc2655e7c21f14fd3bfc7b7d4bfe6e454c9e211"
+  integrity sha512-FvIQKy0S1JaWV10sMsA7TRx8bpU+pqPkhbsfvOJAdjRXvYxEckAwQWGwtRjiaJfh+E0DvcWUGqcdjwMGFjsSdw==
+  dependencies:
+    cids "^0.7.1"
+    multicodec "^0.5.5"
+    multihashes "^0.4.15"
+
 content-type@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
   integrity sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==
 
-convert-source-map@^1.5.1:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.6.0.tgz#51b537a8c43e0f04dec1993bffcdd504e758ac20"
-  integrity sha512-eFu7XigvxdZ1ETfbgPBohgyQ/Z++C0eEhTor0qRwBw9unw+L0/6V8wkSuGgzdThkiS5lSpdptOQPD8Ak40a+7A==
-  dependencies:
-    safe-buffer "~5.1.1"
-
 cookie-signature@1.0.6:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
@@ -1395,10 +1804,12 @@ cookiejar@^2.1.1:
   resolved "https://registry.yarnpkg.com/cookiejar/-/cookiejar-2.1.2.tgz#dd8a235530752f988f9a0844f3fc589e3111125c"
   integrity sha512-Mw+adcfzPxcPeI+0WlvRrr/3lGVO0bD75SxX6811cxSh1Wbxx7xZBGK1eVtDf6si8rg2lhnUjsVLMFMfbRIuwA==
 
-core-js@^2.4.0, core-js@^2.5.0:
-  version "2.5.7"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.7.tgz#f972608ff0cead68b841a16a932d0b183791814e"
-  integrity sha512-RszJCAxg/PP6uzXVXL6BsxSXx/B05oJAQ2vkJRjyjrEcNVycaqOmNb5OTxZPE3xa5gwZduqza6L9JOCenh/Ecw==
+core-js-compat@^3.25.1:
+  version "3.27.1"
+  resolved "https://registry.yarnpkg.com/core-js-compat/-/core-js-compat-3.27.1.tgz#b5695eb25c602d72b1d30cbfba3cb7e5e4cf0a67"
+  integrity sha512-Dg91JFeCDA17FKnneN7oCMz4BkQ4TcffkgHP4OWwp9yx3pi7ubqMDXXSacfNak1PQqjc95skyt+YBLHQJnkJwA==
+  dependencies:
+    browserslist "^4.21.4"
 
 core-js@^2.5.7:
   version "2.6.5"
@@ -1428,6 +1839,11 @@ cosmiconfig@^5.0.7:
     js-yaml "^3.13.0"
     parse-json "^4.0.0"
 
+crc-32@^1.2.0:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/crc-32/-/crc-32-1.2.2.tgz#3cad35a934b8bf71f25ca524b6da51fb7eace2ff"
+  integrity sha512-ROmzCKrTnOwybPcJApAA6WBWij23HVfGVNKqqrZpuyZOHqK2CwHSvpGuyt/UNNvaIjEd8X5IFGp4Mh+Ie1IHJQ==
+
 create-ecdh@^4.0.0:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/create-ecdh/-/create-ecdh-4.0.3.tgz#c9111b6f33045c4697f144787f9254cdc77c45ff"
@@ -1436,7 +1852,7 @@ create-ecdh@^4.0.0:
     bn.js "^4.1.0"
     elliptic "^6.0.0"
 
-create-hash@^1.1.0, create-hash@^1.1.1, create-hash@^1.1.2:
+create-hash@^1.1.0, create-hash@^1.1.2, create-hash@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
   integrity sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==
@@ -1447,7 +1863,7 @@ create-hash@^1.1.0, create-hash@^1.1.1, create-hash@^1.1.2:
     ripemd160 "^2.0.1"
     sha.js "^2.4.0"
 
-create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
+create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4, create-hmac@^1.1.7:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
   integrity sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==
@@ -1459,7 +1875,7 @@ create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-cross-fetch@^2.1.0, cross-fetch@^2.1.1:
+cross-fetch@^2.1.0:
   version "2.2.3"
   resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-2.2.3.tgz#e8a0b3c54598136e037f8650f8e823ccdfac198e"
   integrity sha512-PrWWNH3yL2NYIb/7WF/5vFG3DCQiXDOVf8k3ijatbrtnwNuhMWLC7YF7uqf53tbTFDzHIUD8oITw4Bxt8ST3Nw==
@@ -1467,6 +1883,13 @@ cross-fetch@^2.1.0, cross-fetch@^2.1.1:
     node-fetch "2.1.2"
     whatwg-fetch "2.0.4"
 
+cross-fetch@^3.1.4:
+  version "3.1.5"
+  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-3.1.5.tgz#e1389f44d9e7ba767907f7af8454787952ab534f"
+  integrity sha512-lvb1SBsI0Z7GDwmuid+mU3kWVBwTVUbe7S0H52yaaAdQOXq2YktTCZdlAcNKFzE6QtRz0snpw9bNiPeOIkkQvw==
+  dependencies:
+    node-fetch "2.6.7"
+
 cross-spawn@^5.0.1:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
@@ -1487,6 +1910,19 @@ cross-spawn@^6.0.0, cross-spawn@^6.0.5:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
+crypto-addr-codec@^0.1.7:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/crypto-addr-codec/-/crypto-addr-codec-0.1.7.tgz#e16cea892730178fe25a38f6d15b680cab3124ae"
+  integrity sha512-X4hzfBzNhy4mAc3UpiXEC/L0jo5E8wAa9unsnA8nNXYzXjCcGk83hfC5avJWCSGT8V91xMnAS9AKMHmjw5+XCg==
+  dependencies:
+    base-x "^3.0.8"
+    big-integer "1.6.36"
+    blakejs "^1.1.0"
+    bs58 "^4.0.1"
+    ripemd160-min "0.0.6"
+    safe-buffer "^5.2.0"
+    sha3 "^2.1.1"
+
 crypto-browserify@3.12.0:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
@@ -1504,10 +1940,29 @@ crypto-browserify@3.12.0:
     randombytes "^2.0.0"
     randomfill "^1.0.3"
 
-crypto-js@^3.1.9-1:
-  version "3.1.9-1"
-  resolved "https://registry.yarnpkg.com/crypto-js/-/crypto-js-3.1.9-1.tgz#fda19e761fc077e01ffbfdc6e9fdfc59e8806cd8"
-  integrity sha1-/aGedh/Ad+Af+/3G6f38WeiAbNg=
+css-select@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/css-select/-/css-select-5.1.0.tgz#b8ebd6554c3637ccc76688804ad3f6a6fdaea8a6"
+  integrity sha512-nwoRF1rvRRnnCqqY7updORDsuqKzqYJ28+oSMaJMMgOauh3fvwHqMS7EZpIPqK8GL+g9mKxF1vP/ZjSeNjEVHg==
+  dependencies:
+    boolbase "^1.0.0"
+    css-what "^6.1.0"
+    domhandler "^5.0.2"
+    domutils "^3.0.1"
+    nth-check "^2.0.1"
+
+css-what@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/css-what/-/css-what-6.1.0.tgz#fb5effcf76f1ddea2c81bdfaa4de44e79bac70f4"
+  integrity sha512-HTUrgRJ7r4dsZKU6GjmpfRK1O76h97Z8MfS1G0FozR+oF2kG6Vfe8JE6zwrkbxigziPHinCJ+gCPjA9EaBDtRw==
+
+d@1, d@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/d/-/d-1.0.1.tgz#8698095372d58dbee346ffd0c7093f99f8f9eb5a"
+  integrity sha512-m62ShEObQ39CfralilEQRjH6oAMtNCV1xJyEx5LpRYUVN+EviphDgUc/F3hnYbADmkiNs67Y+3ylmlG7Lnu+FA==
+  dependencies:
+    es5-ext "^0.10.50"
+    type "^1.0.1"
 
 dashdash@^1.12.0:
   version "1.14.1"
@@ -1521,7 +1976,7 @@ date-fns@^1.23.0:
   resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-1.30.1.tgz#2e71bf0b119153dbb4cc4e88d9ea5acfb50dc05c"
   integrity sha512-hBSVCvSmWC+QypYObzwGOd9wqdDpOt+0wl0KbU+R+uuZBS1jN8VsD1ss3irQDknRj5NvxiTF6oj/nDRnN/UQNw==
 
-debug@2.6.9, debug@^2.2.0, debug@^2.6.8, debug@^2.6.9:
+debug@2.6.9, debug@^2.2.0:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
@@ -1542,13 +1997,20 @@ debug@^3.1.0, debug@^3.2.6:
   dependencies:
     ms "^2.1.1"
 
-debug@^4.0.1, debug@^4.1.0:
+debug@^4.0.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
   integrity sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==
   dependencies:
     ms "^2.1.1"
 
+debug@^4.1.1, debug@^4.3.1:
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.4.tgz#1319f6579357f2338d3337d2cdd4914bb5dcc865"
+  integrity sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==
+  dependencies:
+    ms "2.1.2"
+
 decamelize@^1.1.1, decamelize@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
@@ -1566,6 +2028,13 @@ decompress-response@^3.2.0, decompress-response@^3.3.0:
   dependencies:
     mimic-response "^1.0.0"
 
+decompress-response@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/decompress-response/-/decompress-response-6.0.0.tgz#ca387612ddb7e104bd16d85aab00d5ecf09c66fc"
+  integrity sha512-aW35yZM6Bb/4oJlZncMH2LCoZtJXTRxES17vE3hoRiowU2kWHaJKFkSBDnDR+cm9J+9QhXmREyIfv0pji9ejCQ==
+  dependencies:
+    mimic-response "^3.1.0"
+
 decompress-tar@^4.0.0, decompress-tar@^4.1.0, decompress-tar@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/decompress-tar/-/decompress-tar-4.1.1.tgz#718cbd3fcb16209716e70a26b84e7ba4592e5af1"
@@ -1626,16 +2095,16 @@ deep-eql@^3.0.1:
   dependencies:
     type-detect "^4.0.0"
 
-deep-equal@~1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.0.1.tgz#f5d260292b660e084eff4cdbc9f08ad3247448b5"
-  integrity sha1-9dJgKStmDghO/0zbyfCK0yR0SLU=
-
 deep-is@~0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
   integrity sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=
 
+defer-to-connect@^2.0.0, defer-to-connect@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/defer-to-connect/-/defer-to-connect-2.0.1.tgz#8016bdb4143e4632b77a3449c6236277de520587"
+  integrity sha512-4tvttepXG1VaYGrRibk5EwJd1t4udunSOVMdLSAL6mId1ix438oPwPZMALY41FCijukO1L0twNcGsdzS7dHgDg==
+
 deferred-leveldown@~1.2.1:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-1.2.2.tgz#3acd2e0b75d1669924bc0a4b642851131173e1eb"
@@ -1643,18 +2112,6 @@ deferred-leveldown@~1.2.1:
   dependencies:
     abstract-leveldown "~2.6.0"
 
-define-properties@^1.1.2:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
-  integrity sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==
-  dependencies:
-    object-keys "^1.0.12"
-
-defined@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
-  integrity sha1-yY2bzvdWdBiOEQlpFRGZ45sfppM=
-
 delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
@@ -1678,12 +2135,10 @@ destroy@~1.0.4:
   resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
   integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
 
-detect-indent@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-4.0.0.tgz#f76d064352cdf43a1cb6ce619c4ee3a9475de208"
-  integrity sha1-920GQ1LN9Docts5hnE7jqUdd4gg=
-  dependencies:
-    repeating "^2.0.0"
+detect-indent@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-5.0.0.tgz#3871cc0a6a002e8c3e5b3cf7f336264675f06b9d"
+  integrity sha512-rlpvsxUtM0PQvy9iZe640/IWwWYyBsTApREbA1pHOpmOUIl9MkP/U4z7vTtg4Oaojvqhxt7sdufnT0EzGaR31g==
 
 diff@3.3.1:
   version "3.3.1"
@@ -1706,11 +2161,48 @@ doctrine@^3.0.0:
   dependencies:
     esutils "^2.0.2"
 
+dom-serializer@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-2.0.0.tgz#e41b802e1eedf9f6cae183ce5e622d789d7d8e53"
+  integrity sha512-wIkAryiqt/nV5EQKqQpo3SToSOV9J0DnbJqwK7Wv/Trc92zIAYZ4FlMu+JPFW1DfGFt81ZTCGgDEabffXeLyJg==
+  dependencies:
+    domelementtype "^2.3.0"
+    domhandler "^5.0.2"
+    entities "^4.2.0"
+
 dom-walk@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/dom-walk/-/dom-walk-0.1.1.tgz#672226dc74c8f799ad35307df936aba11acd6018"
   integrity sha1-ZyIm3HTI95mtNTB9+TaroRrNYBg=
 
+domelementtype@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-2.3.0.tgz#5c45e8e869952626331d7aab326d01daf65d589d"
+  integrity sha512-OLETBj6w0OsagBwdXnPdN0cnMfF9opN69co+7ZrbfPGrdpPVNBUj02spi6B1N7wChLQiPn4CSH/zJvXw56gmHw==
+
+domhandler@^5.0.1, domhandler@^5.0.2, domhandler@^5.0.3:
+  version "5.0.3"
+  resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-5.0.3.tgz#cc385f7f751f1d1fc650c21374804254538c7d31"
+  integrity sha512-cgwlv/1iFQiFnU96XXgROh8xTeetsnJiDsTc7TYCLFd9+/WNkIqPTxiM/8pSd8VIrhXGTf1Ny1q1hquVqDJB5w==
+  dependencies:
+    domelementtype "^2.3.0"
+
+domutils@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/domutils/-/domutils-3.0.1.tgz#696b3875238338cb186b6c0612bd4901c89a4f1c"
+  integrity sha512-z08c1l761iKhDFtfXO04C7kTdPBLi41zwOZl00WS8b5eiaebNpY00HKbztwBq+e3vyqWNwWF3mP9YLUeqIrF+Q==
+  dependencies:
+    dom-serializer "^2.0.0"
+    domelementtype "^2.3.0"
+    domhandler "^5.0.1"
+
+dot-case@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/dot-case/-/dot-case-2.1.1.tgz#34dcf37f50a8e93c2b3bca8bb7fb9155c7da3bee"
+  integrity sha512-HnM6ZlFqcajLsyudHq7LeeLDr2rFAVYtDv/hV5qchQEidSck8j9OPUsXY9KwJv/lHMtYlX4DjRQqwFYa+0r8Ug==
+  dependencies:
+    no-case "^2.2.0"
+
 dotenv@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-7.0.0.tgz#a2be3cd52736673206e8a85fb5210eea29628e7c"
@@ -1743,10 +2235,10 @@ ee-first@1.1.1:
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
   integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
-electron-to-chromium@^1.3.47:
-  version "1.3.113"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.113.tgz#b1ccf619df7295aea17bc6951dc689632629e4a9"
-  integrity sha512-De+lPAxEcpxvqPTyZAXELNpRZXABRxf+uL/rSykstQhzj/B0l1150G/ExIIxKc16lI89Hgz81J0BHAcbTqK49g==
+electron-to-chromium@^1.4.251:
+  version "1.4.284"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.4.284.tgz#61046d1e4cab3a25238f6bf7413795270f125592"
+  integrity sha512-M8WEXFuKXMYMVr45fo8mq0wUrrJHheiKZf6BArTKk9ZBYCKJEOU5H8cdWgDT+qCVZf7Na4lVUaZsA+h6uA9+PA==
 
 elliptic@6.3.3:
   version "6.3.3"
@@ -1758,6 +2250,19 @@ elliptic@6.3.3:
     hash.js "^1.0.0"
     inherits "^2.0.1"
 
+elliptic@6.5.4, elliptic@^6.5.4:
+  version "6.5.4"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
+  integrity sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==
+  dependencies:
+    bn.js "^4.11.9"
+    brorand "^1.1.0"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.1"
+    inherits "^2.0.4"
+    minimalistic-assert "^1.0.1"
+    minimalistic-crypto-utils "^1.0.1"
+
 elliptic@^6.0.0, elliptic@^6.2.3, elliptic@^6.4.0:
   version "6.4.1"
   resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.1.tgz#c2d0b7776911b86722c632c3c06c60f2f819939a"
@@ -1795,6 +2300,11 @@ end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   dependencies:
     once "^1.4.0"
 
+entities@^4.2.0, entities@^4.3.0, entities@^4.4.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-4.4.0.tgz#97bdaba170339446495e653cfd2db78962900174"
+  integrity sha512-oYp7156SP8LkeGD0GF85ad1X9Ai79WtRsZ2gxJqtBuzH+98YUV6jkHEKlZkMbcrjJjIVJNIDP/3WL9wQkoPbWA==
+
 errno@~0.1.1:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.7.tgz#4684d71779ad39af177e3f007996f7c67c852618"
@@ -1809,33 +2319,48 @@ error-ex@^1.2.0, error-ex@^1.3.1:
   dependencies:
     is-arrayish "^0.2.1"
 
-es-abstract@^1.5.0:
-  version "1.13.0"
-  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.13.0.tgz#ac86145fdd5099d8dd49558ccba2eaf9b88e24e9"
-  integrity sha512-vDZfg/ykNxQVwup/8E1BZhVzFfBxs9NqMzGcvIJrqg5k2/5Za2bWo40dK2J1pgLngZ7c+Shh8lwYtLGyrwPutg==
+es5-ext@^0.10.35, es5-ext@^0.10.50:
+  version "0.10.62"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.62.tgz#5e6adc19a6da524bf3d1e02bbc8960e5eb49a9a5"
+  integrity sha512-BHLqn0klhEpnOKSrzn/Xsz2UIW8j+cGmo9JLzr8BiUapV8hPL9+FliFqjwr9ngW7jWdnxv6eO+/LqyhJVqgrjA==
   dependencies:
-    es-to-primitive "^1.2.0"
-    function-bind "^1.1.1"
-    has "^1.0.3"
-    is-callable "^1.1.4"
-    is-regex "^1.0.4"
-    object-keys "^1.0.12"
+    es6-iterator "^2.0.3"
+    es6-symbol "^3.1.3"
+    next-tick "^1.1.0"
 
-es-to-primitive@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.2.0.tgz#edf72478033456e8dda8ef09e00ad9650707f377"
-  integrity sha512-qZryBOJjV//LaxLTV6UC//WewneB3LcXOL9NP++ozKVXsIIIpm/2c13UDiD9Jp2eThsecw9m3jPqDwTyobcdbg==
+es6-iterator@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
+  integrity sha512-zw4SRzoUkd+cl+ZoE15A9o1oQd920Bb0iOJMQkQhl3jNc03YqVjAhG7scf9C5KWRU/R13Orf588uCC6525o02g==
+  dependencies:
+    d "1"
+    es5-ext "^0.10.35"
+    es6-symbol "^3.1.1"
+
+es6-promise@^4.2.8:
+  version "4.2.8"
+  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.8.tgz#4eb21594c972bc40553d276e510539143db53e0a"
+  integrity sha512-HJDGx5daxeIvxdBxvG2cb9g4tEvwIk3i8+nhX0yGrYmZUzbkdg8QbDevheDB8gd0//uPj4c1EQua8Q+MViT0/w==
+
+es6-symbol@^3.1.1, es6-symbol@^3.1.3:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.3.tgz#bad5d3c1bcdac28269f4cb331e431c78ac705d18"
+  integrity sha512-NJ6Yn3FuDinBaBRWl/q5X/s4koRHBrgKAu+yGI6JCBeiu3qrcbJhwT2GeR/EXVfylRk8dpQVJoLEFhK+Mu31NA==
   dependencies:
-    is-callable "^1.1.4"
-    is-date-object "^1.0.1"
-    is-symbol "^1.0.2"
+    d "^1.0.1"
+    ext "^1.1.2"
+
+escalade@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.1.1.tgz#d8cfdc7000965c5a0174b4a82eaa5c0552742e40"
+  integrity sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==
 
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
   integrity sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=
 
-escape-string-regexp@1.0.5, escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
+escape-string-regexp@1.0.5, escape-string-regexp@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
   integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
@@ -1943,34 +2468,19 @@ etag@~1.8.1:
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
   integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
 
-eth-block-tracker@^2.2.2:
-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/eth-block-tracker/-/eth-block-tracker-2.3.1.tgz#ab6d177e5b50128fa06d7ae9e0489c7484bac95e"
-  integrity sha512-NamWuMBIl8kmkJFVj8WzGatySTzQPQag4Xr677yFxdVtIxACFbL/dQowk0MzEqIKk93U1TwY3MjVU6mOcwZnKA==
+eth-block-tracker@^4.4.2:
+  version "4.4.3"
+  resolved "https://registry.yarnpkg.com/eth-block-tracker/-/eth-block-tracker-4.4.3.tgz#766a0a0eb4a52c867a28328e9ae21353812cf626"
+  integrity sha512-A8tG4Z4iNg4mw5tP1Vung9N9IjgMNqpiMoJ/FouSFwNCGHv2X0mmOYwtQOJzki6XN7r7Tyo01S29p7b224I4jw==
   dependencies:
-    async-eventemitter ahultgren/async-eventemitter#fa06e39e56786ba541c180061dbf2c0a5bbf951c
+    "@babel/plugin-transform-runtime" "^7.5.5"
+    "@babel/runtime" "^7.5.5"
     eth-query "^2.1.0"
-    ethereumjs-tx "^1.3.3"
-    ethereumjs-util "^5.1.3"
-    ethjs-util "^0.1.3"
-    json-rpc-engine "^3.6.0"
-    pify "^2.3.0"
-    tape "^4.6.3"
-
-eth-block-tracker@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/eth-block-tracker/-/eth-block-tracker-3.0.1.tgz#95cd5e763c7293e0b1b2790a2a39ac2ac188a5e1"
-  integrity sha512-WUVxWLuhMmsfenfZvFO5sbl1qFY2IqUlw/FPVmjjdElpqLsZtSG+wPe9Dz7W/sB6e80HgFKknOmKk2eNlznHug==
-  dependencies:
-    eth-query "^2.1.0"
-    ethereumjs-tx "^1.3.3"
-    ethereumjs-util "^5.1.3"
-    ethjs-util "^0.1.3"
-    json-rpc-engine "^3.6.0"
-    pify "^2.3.0"
-    tape "^4.6.3"
+    json-rpc-random-id "^1.0.1"
+    pify "^3.0.0"
+    safe-event-emitter "^1.0.1"
 
-eth-ens-namehash@2.0.8:
+eth-ens-namehash@2.0.8, eth-ens-namehash@^2.0.8:
   version "2.0.8"
   resolved "https://registry.yarnpkg.com/eth-ens-namehash/-/eth-ens-namehash-2.0.8.tgz#229ac46eca86d52e0c991e7cb2aef83ff0f68bcf"
   integrity sha1-IprEbsqG1S4MmR58sq74P/D2i88=
@@ -1978,35 +2488,78 @@ eth-ens-namehash@2.0.8:
     idna-uts46-hx "^2.3.1"
     js-sha3 "^0.5.7"
 
-eth-json-rpc-infura@^3.1.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/eth-json-rpc-infura/-/eth-json-rpc-infura-3.2.0.tgz#62c3f516b51351038c32a548704467cec113ca8f"
-  integrity sha512-FLcpdxPRVBCUc7yoE+wHGvyYg2lATedP+/q7PsKvaSzQpJbgTG4ZjLnyrLanxDr6M1k/dSNa6V5QnILwjUKJcw==
+eth-json-rpc-errors@^1.0.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/eth-json-rpc-errors/-/eth-json-rpc-errors-1.1.1.tgz#148377ef55155585981c21ff574a8937f9d6991f"
+  integrity sha512-WT5shJ5KfNqHi9jOZD+ID8I1kuYWNrigtZat7GOQkvwo99f8SzAVaEcWhJUv656WiZOAg3P1RiJQANtUmDmbIg==
   dependencies:
-    cross-fetch "^2.1.1"
-    eth-json-rpc-middleware "^1.5.0"
-    json-rpc-engine "^3.4.0"
-    json-rpc-error "^2.0.0"
-    tape "^4.8.0"
+    fast-safe-stringify "^2.0.6"
 
-eth-json-rpc-middleware@^1.5.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/eth-json-rpc-middleware/-/eth-json-rpc-middleware-1.6.0.tgz#5c9d4c28f745ccb01630f0300ba945f4bef9593f"
-  integrity sha512-tDVCTlrUvdqHKqivYMjtFZsdD7TtpNLBCfKAcOpaVs7orBMS/A8HWro6dIzNtTZIR05FAbJ3bioFOnZpuCew9Q==
+eth-json-rpc-errors@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/eth-json-rpc-errors/-/eth-json-rpc-errors-2.0.2.tgz#c1965de0301fe941c058e928bebaba2e1285e3c4"
+  integrity sha512-uBCRM2w2ewusRHGxN8JhcuOb2RN3ueAOYH/0BhqdFmQkZx5lj5+fLKTz0mIVOzd4FG5/kUksCzCD7eTEim6gaA==
   dependencies:
-    async "^2.5.0"
+    fast-safe-stringify "^2.0.6"
+
+eth-json-rpc-filters@^4.1.1:
+  version "4.2.2"
+  resolved "https://registry.yarnpkg.com/eth-json-rpc-filters/-/eth-json-rpc-filters-4.2.2.tgz#eb35e1dfe9357ace8a8908e7daee80b2cd60a10d"
+  integrity sha512-DGtqpLU7bBg63wPMWg1sCpkKCf57dJ+hj/k3zF26anXMzkmtSBDExL8IhUu7LUd34f0Zsce3PYNO2vV2GaTzaw==
+  dependencies:
+    "@metamask/safe-event-emitter" "^2.0.0"
+    async-mutex "^0.2.6"
+    eth-json-rpc-middleware "^6.0.0"
+    eth-query "^2.1.2"
+    json-rpc-engine "^6.1.0"
+    pify "^5.0.0"
+
+eth-json-rpc-infura@^4.0.1:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/eth-json-rpc-infura/-/eth-json-rpc-infura-4.1.0.tgz#623478375ba65e4304dea529ed69e8bd7938270d"
+  integrity sha512-DFYitKovzVlCdUulEccdm4g6k/vnvyByuw7rd5OoWDBSIiaeinI8Z/SntLjSIs2c+YvE20DGwk/GLwZGCWDN1Q==
+  dependencies:
+    eth-json-rpc-middleware "^4.4.0"
+    eth-rpc-errors "^3.0.0"
+    json-rpc-engine "^5.1.3"
+    node-fetch "^2.6.0"
+
+eth-json-rpc-middleware@^4.1.5, eth-json-rpc-middleware@^4.4.0:
+  version "4.4.1"
+  resolved "https://registry.yarnpkg.com/eth-json-rpc-middleware/-/eth-json-rpc-middleware-4.4.1.tgz#07d3dd0724c24a8d31e4a172ee96271da71b4228"
+  integrity sha512-yoSuRgEYYGFdVeZg3poWOwAlRI+MoBIltmOB86MtpoZjvLbou9EB/qWMOWSmH2ryCWLW97VYY6NWsmWm3OAA7A==
+  dependencies:
+    btoa "^1.2.1"
+    clone "^2.1.1"
+    eth-json-rpc-errors "^1.0.1"
     eth-query "^2.1.2"
-    eth-tx-summary "^3.1.2"
+    eth-sig-util "^1.4.2"
     ethereumjs-block "^1.6.0"
-    ethereumjs-tx "^1.3.3"
+    ethereumjs-tx "^1.3.7"
     ethereumjs-util "^5.1.2"
-    ethereumjs-vm "^2.1.0"
+    ethereumjs-vm "^2.6.0"
     fetch-ponyfill "^4.0.0"
-    json-rpc-engine "^3.6.0"
-    json-rpc-error "^2.0.0"
+    json-rpc-engine "^5.1.3"
     json-stable-stringify "^1.0.1"
-    promise-to-callback "^1.0.0"
-    tape "^4.6.3"
+    pify "^3.0.0"
+    safe-event-emitter "^1.0.1"
+
+eth-json-rpc-middleware@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/eth-json-rpc-middleware/-/eth-json-rpc-middleware-6.0.0.tgz#4fe16928b34231a2537856f08a5ebbc3d0c31175"
+  integrity sha512-qqBfLU2Uq1Ou15Wox1s+NX05S9OcAEL4JZ04VZox2NS0U+RtCMjSxzXhLFWekdShUPZ+P8ax3zCO2xcPrp6XJQ==
+  dependencies:
+    btoa "^1.2.1"
+    clone "^2.1.1"
+    eth-query "^2.1.2"
+    eth-rpc-errors "^3.0.0"
+    eth-sig-util "^1.4.2"
+    ethereumjs-util "^5.1.2"
+    json-rpc-engine "^5.3.0"
+    json-stable-stringify "^1.0.1"
+    node-fetch "^2.6.1"
+    pify "^3.0.0"
+    safe-event-emitter "^1.0.1"
 
 eth-lib@0.1.27, eth-lib@^0.1.26:
   version "0.1.27"
@@ -2039,7 +2592,7 @@ eth-lib@0.2.8:
     elliptic "^6.4.0"
     xhr-request-promise "^0.1.2"
 
-eth-query@^2.0.2, eth-query@^2.1.0, eth-query@^2.1.2:
+eth-query@^2.1.0, eth-query@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/eth-query/-/eth-query-2.1.2.tgz#d6741d9000106b51510c72db92d6365456a6da5e"
   integrity sha1-1nQdkAAQa1FRDHLbktY2VFam2l4=
@@ -2047,6 +2600,20 @@ eth-query@^2.0.2, eth-query@^2.1.0, eth-query@^2.1.2:
     json-rpc-random-id "^1.0.0"
     xtend "^4.0.1"
 
+eth-rpc-errors@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/eth-rpc-errors/-/eth-rpc-errors-3.0.0.tgz#d7b22653c70dbf9defd4ef490fd08fe70608ca10"
+  integrity sha512-iPPNHPrLwUlR9xCSYm7HHQjWBasor3+KZfRvwEWxMz3ca0yqnlBeJrnyphkGIXZ4J7AMAaOLmwy4AWhnxOiLxg==
+  dependencies:
+    fast-safe-stringify "^2.0.6"
+
+eth-rpc-errors@^4.0.2:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/eth-rpc-errors/-/eth-rpc-errors-4.0.3.tgz#6ddb6190a4bf360afda82790bb7d9d5e724f423a"
+  integrity sha512-Z3ymjopaoft7JDoxZcEb3pwdGh7yiYMhOwm2doUt6ASXlMavpNlK6Cre0+IMl2VSGyEU9rkiperQhp5iRxn5Pg==
+  dependencies:
+    fast-safe-stringify "^2.0.6"
+
 eth-sig-util@^1.4.2:
   version "1.4.2"
   resolved "https://registry.yarnpkg.com/eth-sig-util/-/eth-sig-util-1.4.2.tgz#8d958202c7edbaae839707fba6f09ff327606210"
@@ -2055,24 +2622,12 @@ eth-sig-util@^1.4.2:
     ethereumjs-abi "git+https://github.com/ethereumjs/ethereumjs-abi.git"
     ethereumjs-util "^5.1.1"
 
-eth-tx-summary@^3.1.2:
-  version "3.2.3"
-  resolved "https://registry.yarnpkg.com/eth-tx-summary/-/eth-tx-summary-3.2.3.tgz#a52d7215616888e012fbc083b3eacd28f3e64764"
-  integrity sha512-1gZpA5fKarJOVSb5OUlPnhDQuIazqAkI61zlVvf5LdG47nEgw+/qhyZnuj3CUdE/TLTKuRzPLeyXLjaB4qWTRQ==
+ethereum-bloom-filters@^1.0.6:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/ethereum-bloom-filters/-/ethereum-bloom-filters-1.0.10.tgz#3ca07f4aed698e75bd134584850260246a5fed8a"
+  integrity sha512-rxJ5OFN3RwjQxDcFP2Z5+Q9ho4eIdEmSc2ht0fCu8Se9nbXjZ7/031uXoUYJ87KHCOdVeiUuwSnoS7hmYAGVHA==
   dependencies:
-    async "^2.1.2"
-    bn.js "^4.11.8"
-    clone "^2.0.0"
-    concat-stream "^1.5.1"
-    end-of-stream "^1.1.0"
-    eth-query "^2.0.2"
-    ethereumjs-block "^1.4.1"
-    ethereumjs-tx "^1.1.1"
-    ethereumjs-util "^5.0.1"
-    ethereumjs-vm "2.3.4"
-    through2 "^2.0.3"
-    treeify "^1.0.1"
-    web3-provider-engine "^13.3.2"
+    js-sha3 "^0.8.0"
 
 ethereum-common@0.2.0:
   version "0.2.0"
@@ -2084,6 +2639,27 @@ ethereum-common@^0.0.18:
   resolved "https://registry.yarnpkg.com/ethereum-common/-/ethereum-common-0.0.18.tgz#2fdc3576f232903358976eb39da783213ff9523f"
   integrity sha1-L9w1dvIykDNYl26znaeDIT/5Uj8=
 
+ethereum-cryptography@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz#8d6143cfc3d74bf79bbd8edecdf29e4ae20dd191"
+  integrity sha512-w8/4x1SGGzc+tO97TASLja6SLd3fRIK2tLVcV2Gx4IB21hE19atll5Cq9o3d0ZmAYC/8aw0ipieTSiekAea4SQ==
+  dependencies:
+    "@types/pbkdf2" "^3.0.0"
+    "@types/secp256k1" "^4.0.1"
+    blakejs "^1.1.0"
+    browserify-aes "^1.2.0"
+    bs58check "^2.1.2"
+    create-hash "^1.2.0"
+    create-hmac "^1.1.7"
+    hash.js "^1.1.7"
+    keccak "^3.0.0"
+    pbkdf2 "^3.0.17"
+    randombytes "^2.1.0"
+    safe-buffer "^5.1.2"
+    scrypt-js "^3.0.0"
+    secp256k1 "^4.0.1"
+    setimmediate "^1.0.5"
+
 "ethereumjs-abi@git+https://github.com/ethereumjs/ethereumjs-abi.git":
   version "0.6.6"
   resolved "git+https://github.com/ethereumjs/ethereumjs-abi.git#d84a96796079c8595a0c78accd1e7709f2277215"
@@ -2100,7 +2676,7 @@ ethereumjs-account@^2.0.3:
     rlp "^2.0.0"
     safe-buffer "^5.1.1"
 
-ethereumjs-block@^1.2.2, ethereumjs-block@^1.4.1, ethereumjs-block@^1.6.0, ethereumjs-block@~1.7.0:
+ethereumjs-block@^1.2.2, ethereumjs-block@^1.6.0:
   version "1.7.1"
   resolved "https://registry.yarnpkg.com/ethereumjs-block/-/ethereumjs-block-1.7.1.tgz#78b88e6cc56de29a6b4884ee75379b6860333c3f"
   integrity sha512-B+sSdtqm78fmKkBq78/QLKJbu/4Ts4P2KFISdgcuZUPDm9x+N7qgBPIIFUGbaakQh8bzuquiRVbdmvPKqbILRg==
@@ -2127,7 +2703,7 @@ ethereumjs-common@^1.1.0:
   resolved "https://registry.yarnpkg.com/ethereumjs-common/-/ethereumjs-common-1.1.0.tgz#5ec9086c314d619d8f05e79a0525829fcb0e93cb"
   integrity sha512-LUmYkKV/HcZbWRyu3OU9YOevsH3VJDXtI6kEd8VZweQec+JjDGKCmAVKUyzhYUHqxRJu7JNALZ3A/b3NXOP6tA==
 
-ethereumjs-tx@^1.1.1, ethereumjs-tx@^1.2.0, ethereumjs-tx@^1.2.2, ethereumjs-tx@^1.3.3, ethereumjs-tx@^1.3.7:
+ethereumjs-tx@^1.2.0, ethereumjs-tx@^1.2.2, ethereumjs-tx@^1.3.7:
   version "1.3.7"
   resolved "https://registry.yarnpkg.com/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz#88323a2d875b10549b8347e09f4862b546f3d89a"
   integrity sha512-wvLMxzt1RPhAQ9Yi3/HKZTn0FZYpnsmQdbKYfUUpi4j1SEIcbkd9tndVjcPrufY3V7j2IebOpC00Zp2P/Ay2kA==
@@ -2135,7 +2711,7 @@ ethereumjs-tx@^1.1.1, ethereumjs-tx@^1.2.0, ethereumjs-tx@^1.2.2, ethereumjs-tx@
     ethereum-common "^0.0.18"
     ethereumjs-util "^5.0.0"
 
-ethereumjs-util@^5.0.0, ethereumjs-util@^5.0.1, ethereumjs-util@^5.1.1, ethereumjs-util@^5.1.2, ethereumjs-util@^5.1.3, ethereumjs-util@^5.1.5:
+ethereumjs-util@^5.0.0, ethereumjs-util@^5.1.1, ethereumjs-util@^5.1.2, ethereumjs-util@^5.1.5:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz#3e0c0d1741471acf1036052d048623dee54ad642"
   integrity sha512-CJAKdI0wgMbQFLlLRtZKGcy/L6pzVRgelIZqRqNbuVFM3K9VEnyfbcvz0ncWMRNCe4kaHWjwRYQcYMucmwsnWA==
@@ -2161,24 +2737,18 @@ ethereumjs-util@^6.0.0:
     safe-buffer "^5.1.1"
     secp256k1 "^3.0.1"
 
-ethereumjs-vm@2.3.4:
-  version "2.3.4"
-  resolved "https://registry.yarnpkg.com/ethereumjs-vm/-/ethereumjs-vm-2.3.4.tgz#f635d7cb047571a1840a6e9a74d29de4488f8ad6"
-  integrity sha512-Y4SlzNDqxrCO58jhp98HdnZVdjOqB+HC0hoU+N/DEp1aU+hFkRX/nru5F7/HkQRPIlA6aJlQp/xIA6xZs1kspw==
+ethereumjs-util@^7.0.10, ethereumjs-util@^7.1.0, ethereumjs-util@^7.1.1, ethereumjs-util@^7.1.2, ethereumjs-util@^7.1.5:
+  version "7.1.5"
+  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-7.1.5.tgz#9ecf04861e4fbbeed7465ece5f23317ad1129181"
+  integrity sha512-SDl5kKrQAudFBUe5OJM9Ac6WmMyYmXX/6sTmLZ3ffG2eY6ZIGBes3pEDxNN6V72WyOw4CPD5RomKdsa8DAAwLg==
   dependencies:
-    async "^2.1.2"
-    async-eventemitter "^0.2.2"
-    ethereum-common "0.2.0"
-    ethereumjs-account "^2.0.3"
-    ethereumjs-block "~1.7.0"
-    ethereumjs-util "^5.1.3"
-    fake-merkle-patricia-tree "^1.0.1"
-    functional-red-black-tree "^1.0.1"
-    merkle-patricia-tree "^2.1.2"
-    rustbn.js "~0.1.1"
-    safe-buffer "^5.1.1"
+    "@types/bn.js" "^5.1.0"
+    bn.js "^5.1.2"
+    create-hash "^1.1.2"
+    ethereum-cryptography "^0.1.3"
+    rlp "^2.2.4"
 
-ethereumjs-vm@^2.0.2, ethereumjs-vm@^2.1.0, ethereumjs-vm@^2.3.4:
+ethereumjs-vm@^2.3.4, ethereumjs-vm@^2.6.0:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/ethereumjs-vm/-/ethereumjs-vm-2.6.0.tgz#76243ed8de031b408793ac33907fb3407fe400c6"
   integrity sha512-r/XIUik/ynGbxS3y+mvGnbOKnuLo40V5Mj1J25+HEO63aWYREIqvWeRO/hnROlMBE5WoniQmPmhiaN0ctiHaXw==
@@ -2195,20 +2765,19 @@ ethereumjs-vm@^2.0.2, ethereumjs-vm@^2.1.0, ethereumjs-vm@^2.3.4:
     rustbn.js "~0.2.0"
     safe-buffer "^5.1.1"
 
-ethereumjs-wallet@^0.6.0:
-  version "0.6.3"
-  resolved "https://registry.yarnpkg.com/ethereumjs-wallet/-/ethereumjs-wallet-0.6.3.tgz#b0eae6f327637c2aeb9ccb9047b982ac542e6ab1"
-  integrity sha512-qiXPiZOsStem+Dj/CQHbn5qex+FVkuPmGH7SvSnA9F3tdRDt8dLMyvIj3+U05QzVZNPYh4HXEdnzoYI4dZkr9w==
+ethereumjs-wallet@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/ethereumjs-wallet/-/ethereumjs-wallet-1.0.2.tgz#2c000504b4c71e8f3782dabe1113d192522e99b6"
+  integrity sha512-CCWV4RESJgRdHIvFciVQFnCHfqyhXWchTPlkfp28Qc53ufs+doi5I/cV2+xeK9+qEo25XCWfP9MiL+WEPAZfdA==
   dependencies:
-    aes-js "^3.1.1"
+    aes-js "^3.1.2"
     bs58check "^2.1.2"
-    ethereumjs-util "^6.0.0"
-    hdkey "^1.1.0"
-    randombytes "^2.0.6"
-    safe-buffer "^5.1.2"
-    scrypt.js "^0.3.0"
+    ethereum-cryptography "^0.1.3"
+    ethereumjs-util "^7.1.2"
+    randombytes "^2.1.0"
+    scrypt-js "^3.0.1"
     utf8 "^3.0.0"
-    uuid "^3.3.2"
+    uuid "^8.3.2"
 
 ethers@4.0.0-beta.1:
   version "4.0.0-beta.1"
@@ -2226,10 +2795,10 @@ ethers@4.0.0-beta.1:
     uuid "2.0.1"
     xmlhttprequest "1.8.0"
 
-ethers@^4.0.0-beta.1, ethers@^4.0.27:
-  version "4.0.27"
-  resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.27.tgz#e570b0da9d805ad65c83d81919abe02b2264c6bf"
-  integrity sha512-+DXZLP/tyFnXWxqr2fXLT67KlGUfLuvDkHSOtSC9TUVG9OIj6yrG5JPeXRMYo15xkOYwnjgdMKrXp5V94rtjJA==
+ethers@^4.0.20:
+  version "4.0.25"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.25.tgz#d2d9ee78fbf5896e793b91959503ef245f6ad5dc"
+  integrity sha512-nxpszD7e1+cXwi/DuaBFmAit0M/+9Suy8nImpiv41nT3tNg8bBKA9mz8VdQbg0X/NT6e5icqdeQpz3FHcy58wg==
   dependencies:
     "@types/node" "^10.3.2"
     aes-js "3.0.0"
@@ -2242,10 +2811,10 @@ ethers@^4.0.0-beta.1, ethers@^4.0.27:
     uuid "2.0.1"
     xmlhttprequest "1.8.0"
 
-ethers@^4.0.20:
-  version "4.0.25"
-  resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.25.tgz#d2d9ee78fbf5896e793b91959503ef245f6ad5dc"
-  integrity sha512-nxpszD7e1+cXwi/DuaBFmAit0M/+9Suy8nImpiv41nT3tNg8bBKA9mz8VdQbg0X/NT6e5icqdeQpz3FHcy58wg==
+ethers@^4.0.27:
+  version "4.0.27"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.27.tgz#e570b0da9d805ad65c83d81919abe02b2264c6bf"
+  integrity sha512-+DXZLP/tyFnXWxqr2fXLT67KlGUfLuvDkHSOtSC9TUVG9OIj6yrG5JPeXRMYo15xkOYwnjgdMKrXp5V94rtjJA==
   dependencies:
     "@types/node" "^10.3.2"
     aes-js "3.0.0"
@@ -2258,6 +2827,57 @@ ethers@^4.0.20:
     uuid "2.0.1"
     xmlhttprequest "1.8.0"
 
+ethers@^4.0.32:
+  version "4.0.49"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.49.tgz#0eb0e9161a0c8b4761be547396bbe2fb121a8894"
+  integrity sha512-kPltTvWiyu+OktYy1IStSO16i2e7cS9D9OxZ81q2UUaiNPVrm/RTcbxamCXF9VUSKzJIdJV68EAIhTEVBalRWg==
+  dependencies:
+    aes-js "3.0.0"
+    bn.js "^4.11.9"
+    elliptic "6.5.4"
+    hash.js "1.1.3"
+    js-sha3 "0.5.7"
+    scrypt-js "2.0.4"
+    setimmediate "1.0.4"
+    uuid "2.0.1"
+    xmlhttprequest "1.8.0"
+
+ethers@^5.0.13:
+  version "5.7.2"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-5.7.2.tgz#3a7deeabbb8c030d4126b24f84e525466145872e"
+  integrity sha512-wswUsmWo1aOK8rR7DIKiWSw9DbLWe6x98Jrn8wcTflTVvaXhAMaB5zGAXy0GYQEQp9iO1iSHWVyARQm11zUtyg==
+  dependencies:
+    "@ethersproject/abi" "5.7.0"
+    "@ethersproject/abstract-provider" "5.7.0"
+    "@ethersproject/abstract-signer" "5.7.0"
+    "@ethersproject/address" "5.7.0"
+    "@ethersproject/base64" "5.7.0"
+    "@ethersproject/basex" "5.7.0"
+    "@ethersproject/bignumber" "5.7.0"
+    "@ethersproject/bytes" "5.7.0"
+    "@ethersproject/constants" "5.7.0"
+    "@ethersproject/contracts" "5.7.0"
+    "@ethersproject/hash" "5.7.0"
+    "@ethersproject/hdnode" "5.7.0"
+    "@ethersproject/json-wallets" "5.7.0"
+    "@ethersproject/keccak256" "5.7.0"
+    "@ethersproject/logger" "5.7.0"
+    "@ethersproject/networks" "5.7.1"
+    "@ethersproject/pbkdf2" "5.7.0"
+    "@ethersproject/properties" "5.7.0"
+    "@ethersproject/providers" "5.7.2"
+    "@ethersproject/random" "5.7.0"
+    "@ethersproject/rlp" "5.7.0"
+    "@ethersproject/sha2" "5.7.0"
+    "@ethersproject/signing-key" "5.7.0"
+    "@ethersproject/solidity" "5.7.0"
+    "@ethersproject/strings" "5.7.0"
+    "@ethersproject/transactions" "5.7.0"
+    "@ethersproject/units" "5.7.0"
+    "@ethersproject/wallet" "5.7.0"
+    "@ethersproject/web" "5.7.1"
+    "@ethersproject/wordlists" "5.7.0"
+
 ethjs-abi@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/ethjs-abi/-/ethjs-abi-0.2.1.tgz#e0a7a93a7e81163a94477bad56ede524ab6de533"
@@ -2293,6 +2913,11 @@ eventemitter3@3.1.0, eventemitter3@^3.1.0:
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-3.1.0.tgz#090b4d6cdbd645ed10bf750d4b5407942d7ba163"
   integrity sha512-ivIvhpq/Y0uSjcHDcOIccjmYjGLcP09MFGE7ysAwkAvkXfpZlC985pH2/ui64DKazbTW/4kN3yqozUxlXzI6cA==
 
+eventemitter3@4.0.4:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.4.tgz#b5463ace635a083d018bdc7c917b4c5f10a85384"
+  integrity sha512-rlaVLnVxtxvoyLsQQFBx53YmXHDxRIzzTLbdfxqi4yocpSjAxXwkU0cScM5JgSKMqEhrZpnvQ2D9gjylR0AimQ==
+
 events@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/events/-/events-3.0.0.tgz#9a0a0dfaf62893d92b875b8f2698ca4114973e88"
@@ -2368,6 +2993,13 @@ express@^4.14.0:
     utils-merge "1.0.1"
     vary "~1.1.2"
 
+ext@^1.1.2:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/ext/-/ext-1.7.0.tgz#0ea4383c0103d60e70be99e9a7f11027a33c4f5f"
+  integrity sha512-6hxeJYaL110a9b5TEJSj0gojyHQAmA2ch5Os+ySCiA1QGdS697XWY1pzsrSjqA9LDEEgdB/KypIlR59RcLuHYw==
+  dependencies:
+    type "^2.7.2"
+
 extend@~3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
@@ -2399,6 +3031,13 @@ fake-merkle-patricia-tree@^1.0.1:
   dependencies:
     checkpoint-store "^1.1.0"
 
+fast-check@3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/fast-check/-/fast-check-3.1.1.tgz#72c5ae7022a4e86504762e773adfb8a5b0b01252"
+  integrity sha512-3vtXinVyuUKCKFKYcwXhGE6NtGWkqF8Yh3rvMZNzmwz8EPrgoc/v4pDdLHyLnCyCI5MZpZZkDEwFyXyEONOxpA==
+  dependencies:
+    pure-rand "^5.0.1"
+
 fast-deep-equal@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz#c053477817c86b51daa853c81e059b733d023614"
@@ -2409,6 +3048,11 @@ fast-deep-equal@^2.0.1:
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz#7b05218ddf9667bf7f370bf7fdb2cb15fdd0aa49"
   integrity sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=
 
+fast-deep-equal@^3.1.1:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
+  integrity sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==
+
 fast-diff@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/fast-diff/-/fast-diff-1.2.0.tgz#73ee11982d86caaf7959828d519cfe927fac5f03"
@@ -2424,6 +3068,11 @@ fast-levenshtein@~2.0.4:
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
   integrity sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=
 
+fast-safe-stringify@^2.0.6:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/fast-safe-stringify/-/fast-safe-stringify-2.1.1.tgz#c406a83b6e70d9e35ce3b30a81141df30aeba884"
+  integrity sha512-W+KJc2dmILlPplD/H4K9l9LcAHAfPtP6BY84uVLXQ6Evcz9Lcg33Y2z1IVblT6xdY54PXYVHEv+0Wpq8Io6zkA==
+
 fd-slicer@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.1.0.tgz#25c7c89cb1f9077f8891bbe61d8f390eae256f1e"
@@ -2507,6 +3156,14 @@ find-up@^3.0.0:
   dependencies:
     locate-path "^3.0.0"
 
+find-up@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-4.1.0.tgz#97afe7d6cdc0bc5928584b7c8d7b16e8a9aa5d19"
+  integrity sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==
+  dependencies:
+    locate-path "^5.0.0"
+    path-exists "^4.0.0"
+
 flat-cache@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-2.0.1.tgz#5d296d6f04bda44a4630a301413bdbc2ec085ec0"
@@ -2528,7 +3185,7 @@ follow-redirects@^1.3.0:
   dependencies:
     debug "^3.2.6"
 
-for-each@^0.3.2, for-each@~0.3.3:
+for-each@^0.3.2, for-each@^0.3.3:
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/for-each/-/for-each-0.3.3.tgz#69b447e88a0a5d32c3e7084f3f1710034b21376e"
   integrity sha512-jqYfLp7mo9vIyQf8ykW2v7A+2N4QjeCeI5+Dz9XraiO1ign81wjiH7Fb9vSOWvQfNtmSa4H2RoQTrrXivdUZmw==
@@ -2540,6 +3197,11 @@ forever-agent@~0.6.1:
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
   integrity sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=
 
+form-data-encoder@1.7.1:
+  version "1.7.1"
+  resolved "https://registry.yarnpkg.com/form-data-encoder/-/form-data-encoder-1.7.1.tgz#ac80660e4f87ee0d3d3c3638b7da8278ddb8ec96"
+  integrity sha512-EFRDrsMm/kyqbTQocNvRXMLjc7Es2Vk+IQFx/YW7hkUH1eBl4J1fqiP34l74Yt0pFLCNpc06fkbVk00008mzjg==
+
 form-data@~2.3.2:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.3.3.tgz#dcce52c05f644f298c6a7ab936bd724ceffbf3a6"
@@ -2592,6 +3254,15 @@ fs-extra@^4.0.2:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
+fs-extra@^8.1.0:
+  version "8.1.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-8.1.0.tgz#49d43c45a88cd9677668cb7be1b46efdb8d2e1c0"
+  integrity sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==
+  dependencies:
+    graceful-fs "^4.2.0"
+    jsonfile "^4.0.0"
+    universalify "^0.1.0"
+
 fs-minipass@^1.2.5:
   version "1.2.5"
   resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.5.tgz#06c277218454ec288df77ada54a03b8702aacb9d"
@@ -2624,7 +3295,7 @@ fstream@^1.0.2, fstream@^1.0.8:
     mkdirp ">=0.5 0"
     rimraf "2"
 
-function-bind@^1.0.2, function-bind@^1.1.1, function-bind@~1.1.1:
+function-bind@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
   integrity sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==
@@ -2653,6 +3324,15 @@ get-func-name@^2.0.0:
   resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.0.tgz#ead774abee72e20409433a066366023dd6887a41"
   integrity sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=
 
+get-intrinsic@^1.0.2, get-intrinsic@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/get-intrinsic/-/get-intrinsic-1.1.3.tgz#063c84329ad93e83893c7f4f243ef63ffa351385"
+  integrity sha512-QJVz1Tj7MS099PevUG5jvnt9tSkXN8K14dxQlikJuPt4uD9hHAHjLyLBiLR5zELelBdD9QNRAXZzsJx0WaDL9A==
+  dependencies:
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.3"
+
 get-stream@^2.2.0:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-2.3.1.tgz#5f38f93f346009666ee0150a054167f91bdd95de"
@@ -2673,6 +3353,18 @@ get-stream@^4.0.0:
   dependencies:
     pump "^3.0.0"
 
+get-stream@^5.1.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-5.2.0.tgz#4966a1795ee5ace65e706c4b7beb71257d6e22d3"
+  integrity sha512-nBF+F1rAZVCu/p7rjzgA+Yb4lfYXrpl7a6VmJrU8wF9I1CKvP/QwPNZHnOlwbTkY6dvtFIzFMSyQXbLoTQPRpA==
+  dependencies:
+    pump "^3.0.0"
+
+get-stream@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-6.0.1.tgz#a262d8eef67aced57c2852ad6167526a43cbf7b7"
+  integrity sha512-ts6Wi+2j3jQjqi70w5AlN8DFnkSwC+MqmxEzdEALB2qXZYV3X/b1CTfgPLGJNMeAWxdPfU8FO1ms3NUfaHCPYg==
+
 getpass@^0.1.1:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
@@ -2692,7 +3384,7 @@ glob@7.1.2:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.5, glob@^7.1.2, glob@^7.1.3, glob@~7.1.3:
+glob@^7.0.5, glob@^7.1.2, glob@^7.1.3:
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.3.tgz#3960832d3f1574108342dafd3a67b332c0969df1"
   integrity sha512-vcfuiIxogLV4DlGBHIUOwI0IbrJ8HWPc4MU7HzviGeNho/UJDfi6B5p3sHeWIQ0KGIU0Jpxi5ZHxemQfLkkAwQ==
@@ -2717,10 +3409,31 @@ globals@^11.7.0:
   resolved "https://registry.yarnpkg.com/globals/-/globals-11.11.0.tgz#dcf93757fa2de5486fbeed7118538adf789e9c2e"
   integrity sha512-WHq43gS+6ufNOEqlrDBxVEbb8ntfXrfAUU2ZOpCxrBdGKW3gyv8mCxAfIBD0DroPKGrJ2eSsXsLtY9MPntsyTw==
 
-globals@^9.18.0:
-  version "9.18.0"
-  resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
-  integrity sha512-S0nG3CLEQiY/ILxqtztTWH/3iRRdyBLw6KMDxnKMchrtbj2OFmehVh0WUCfW3DUrIgx/qFrJPICrq4Z4sTR9UQ==
+gopd@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/gopd/-/gopd-1.0.1.tgz#29ff76de69dac7489b7c0918a5788e56477c332c"
+  integrity sha512-d65bNlIadxvpb/A2abVdlqKqV563juRnZ1Wtk6s1sIR8uNsXR70xqIzVqxVf1eTqDunwT2MkczEeaezCKTZhwA==
+  dependencies:
+    get-intrinsic "^1.1.3"
+
+got@12.1.0:
+  version "12.1.0"
+  resolved "https://registry.yarnpkg.com/got/-/got-12.1.0.tgz#099f3815305c682be4fd6b0ee0726d8e4c6b0af4"
+  integrity sha512-hBv2ty9QN2RdbJJMK3hesmSkFTjVIHyIDDbssCKnSmq62edGgImJWD10Eb1k77TiV1bxloxqcFAVK8+9pkhOig==
+  dependencies:
+    "@sindresorhus/is" "^4.6.0"
+    "@szmarczak/http-timer" "^5.0.1"
+    "@types/cacheable-request" "^6.0.2"
+    "@types/responselike" "^1.0.0"
+    cacheable-lookup "^6.0.4"
+    cacheable-request "^7.0.2"
+    decompress-response "^6.0.0"
+    form-data-encoder "1.7.1"
+    get-stream "^6.0.1"
+    http2-wrapper "^2.1.10"
+    lowercase-keys "^3.0.0"
+    p-cancelable "^3.0.0"
+    responselike "^2.0.0"
 
 got@7.1.0, got@^7.1.0:
   version "7.1.0"
@@ -2742,6 +3455,23 @@ got@7.1.0, got@^7.1.0:
     url-parse-lax "^1.0.0"
     url-to-options "^1.0.1"
 
+got@^11.8.5:
+  version "11.8.6"
+  resolved "https://registry.yarnpkg.com/got/-/got-11.8.6.tgz#276e827ead8772eddbcfc97170590b841823233a"
+  integrity sha512-6tfZ91bOr7bOXnK7PRDCGBLa1H4U080YHNaAQ2KsMGlLEzRbk44nsZF2E1IeRc3vtJHPVbKCYgdFbaGO2ljd8g==
+  dependencies:
+    "@sindresorhus/is" "^4.0.0"
+    "@szmarczak/http-timer" "^4.0.5"
+    "@types/cacheable-request" "^6.0.1"
+    "@types/responselike" "^1.0.0"
+    cacheable-lookup "^5.0.3"
+    cacheable-request "^7.0.2"
+    decompress-response "^6.0.0"
+    http2-wrapper "^1.0.0-beta.5.2"
+    lowercase-keys "^2.0.0"
+    p-cancelable "^2.0.0"
+    responselike "^2.0.0"
+
 graceful-fs@^4.1.10, graceful-fs@^4.1.9:
   version "4.1.15"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.15.tgz#ffb703e1066e8a0eeaa4c8b80ba9253eeefbfb00"
@@ -2752,6 +3482,11 @@ graceful-fs@^4.1.2, graceful-fs@^4.1.6:
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
   integrity sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg=
 
+graceful-fs@^4.2.0:
+  version "4.2.10"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.10.tgz#147d3a006da4ca3ce14728c7aefc287c367d7a6c"
+  integrity sha512-9ByhssR2fPVsNZj478qUUbKfmL0+t5BDVyjShtyZZLiK7ZDAArFFfopyOTj0M05wE2tJPisA4iTnnXl2YoPvOA==
+
 "graceful-readlink@>= 1.0.0":
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
@@ -2775,13 +3510,6 @@ har-validator@~5.1.0:
     ajv "^5.3.0"
     har-schema "^2.0.0"
 
-has-ansi@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/has-ansi/-/has-ansi-2.0.0.tgz#34f5049ce1ecdf2b0649af3ef24e45ed35416d91"
-  integrity sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=
-  dependencies:
-    ansi-regex "^2.0.0"
-
 has-flag@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
@@ -2797,10 +3525,10 @@ has-symbol-support-x@^1.4.1:
   resolved "https://registry.yarnpkg.com/has-symbol-support-x/-/has-symbol-support-x-1.4.2.tgz#1409f98bc00247da45da67cee0a36f282ff26455"
   integrity sha512-3ToOva++HaW+eCpgqZrCfN51IPB+7bJNVT6CUATzueB5Heb8o6Nam0V3HG5dlDvZU1Gn5QLcbahiKw/XVk5JJw==
 
-has-symbols@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
-  integrity sha1-uhqPGvKg/DllD1yFA2dwQSIGO0Q=
+has-symbols@^1.0.2, has-symbols@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.3.tgz#bb7b2c4349251dce87b125f7bdf874aa7c8b39f8"
+  integrity sha512-l3LCuF6MgDNwTDKkdYGEihYjt5pRPbEg46rtlmnSPlUbgmB8LOIrKJbYYFBSbnPaJexMKtiPO8hmeRjRz2Td+A==
 
 has-to-string-tag-x@^1.2.0:
   version "1.4.1"
@@ -2809,7 +3537,14 @@ has-to-string-tag-x@^1.2.0:
   dependencies:
     has-symbol-support-x "^1.4.1"
 
-has@^1.0.1, has@^1.0.3, has@~1.0.3:
+has-tostringtag@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-tostringtag/-/has-tostringtag-1.0.0.tgz#7e133818a7d394734f941e73c3d3f9291e658b25"
+  integrity sha512-kFjcSNhnlGV1kyoGk7OXKSawH5JOb/LzUc5w9B02hOTO0dfFRjbHQKvg1d6cf3HbeUmtU9VbbV3qzZ2Teh97WQ==
+  dependencies:
+    has-symbols "^1.0.2"
+
+has@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
   integrity sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==
@@ -2832,6 +3567,14 @@ hash.js@1.1.3:
     inherits "^2.0.3"
     minimalistic-assert "^1.0.0"
 
+hash.js@1.1.7, hash.js@^1.1.7:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
+  integrity sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==
+  dependencies:
+    inherits "^2.0.3"
+    minimalistic-assert "^1.0.1"
+
 hash.js@^1.0.0, hash.js@^1.0.3:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.5.tgz#e38ab4b85dfb1e0c40fe9265c0e9b54854c23812"
@@ -2840,21 +3583,30 @@ hash.js@^1.0.0, hash.js@^1.0.3:
     inherits "^2.0.3"
     minimalistic-assert "^1.0.1"
 
-hdkey@^1.1.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/hdkey/-/hdkey-1.1.1.tgz#c2b3bfd5883ff9529b72f2f08b28be0972a9f64a"
-  integrity sha512-DvHZ5OuavsfWs5yfVJZestsnc3wzPvLWNk6c2nRUfo6X+OtxypGt20vDDf7Ba+MJzjL3KS1og2nw2eBbLCOUTA==
-  dependencies:
-    coinstring "^2.0.0"
-    safe-buffer "^5.1.1"
-    secp256k1 "^3.0.1"
-
 he@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
   integrity sha1-k0EP0hsAlzUVH4howvJx80J+I/0=
 
-hmac-drbg@^1.0.0:
+header-case@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/header-case/-/header-case-1.0.1.tgz#9535973197c144b09613cd65d317ef19963bd02d"
+  integrity sha512-i0q9mkOeSuhXw6bGgiQCCBgY/jlZuV/7dZXyZ9c6LcBrqwvT8eT719E9uxE5LiZftdl+z81Ugbg/VvXV4OJOeQ==
+  dependencies:
+    no-case "^2.2.0"
+    upper-case "^1.1.3"
+
+highlight.js@^10.4.1:
+  version "10.7.3"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-10.7.3.tgz#697272e3991356e40c3cac566a74eef681756531"
+  integrity sha512-tzcUFauisWKNHaRkN4Wjl/ZA07gENAjFl3J/c480dprkGTg5EQstgaNFqBfUqCq54kZRIEcreTsAgF/m2quD7A==
+
+highlightjs-solidity@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/highlightjs-solidity/-/highlightjs-solidity-2.0.5.tgz#48b945f41886fa49af9f06023e6e87fffc243745"
+  integrity sha512-ReXxQSGQkODMUgHcWzVSnfDCDrL2HshOYgw3OlIYmfHeRzUPkfJTUIp95pK4CmbiNG2eMTOmNLpfCz9Zq7Cwmg==
+
+hmac-drbg@^1.0.0, hmac-drbg@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
   integrity sha1-0nRXAQJabHdabFRXk+1QL8DGSaE=
@@ -2873,19 +3625,26 @@ hoek@6.x.x:
   resolved "https://registry.yarnpkg.com/hoek/-/hoek-6.1.3.tgz#73b7d33952e01fe27a38b0457294b79dd8da242c"
   integrity sha512-YXXAAhmF9zpQbC7LEcREFtXfGq5K1fmd+4PHkBq8NUqmzW3G+Dq10bI/i0KucLRwss3YYFQ0fSfoxBZYiGUqtQ==
 
-home-or-tmp@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/home-or-tmp/-/home-or-tmp-2.0.0.tgz#e36c3f2d2cae7d746a857e38d18d5f32a7882db8"
-  integrity sha1-42w/LSyufXRqhX440Y1fMqeILbg=
-  dependencies:
-    os-homedir "^1.0.0"
-    os-tmpdir "^1.0.1"
-
 hosted-git-info@^2.1.4, hosted-git-info@^2.6.0:
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.7.1.tgz#97f236977bd6e125408930ff6de3eec6281ec047"
   integrity sha512-7T/BxH19zbcCTa8XkMlbK5lTo1WtgkFi3GvdWEyNuc4Vex7/9Dqbnpsf4JMydcfj9HCg4zUWFTL3Za6lapg5/w==
 
+htmlparser2@^8.0.1:
+  version "8.0.1"
+  resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-8.0.1.tgz#abaa985474fcefe269bc761a779b544d7196d010"
+  integrity sha512-4lVbmc1diZC7GUJQtRQ5yBAeUCL1exyMwmForWkRLnwyzWBFxN633SALPMGYaWZvKe9j1pRZJpauvmxENSp/EA==
+  dependencies:
+    domelementtype "^2.3.0"
+    domhandler "^5.0.2"
+    domutils "^3.0.1"
+    entities "^4.3.0"
+
+http-cache-semantics@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/http-cache-semantics/-/http-cache-semantics-4.1.0.tgz#49e91c5cbf36c9b94bcfcd71c23d5249ec74e390"
+  integrity sha512-carPklcUh7ROWRK7Cv27RPtdhYhUsela/ue5/jKzjegVvXDqM2ILE9Q2BGn9JZJh1g87cp56su/FgQSzcWS8cQ==
+
 http-errors@1.6.3, http-errors@~1.6.2, http-errors@~1.6.3:
   version "1.6.3"
   resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
@@ -2910,6 +3669,22 @@ http-signature@~1.2.0:
     jsprim "^1.2.2"
     sshpk "^1.7.0"
 
+http2-wrapper@^1.0.0-beta.5.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/http2-wrapper/-/http2-wrapper-1.0.3.tgz#b8f55e0c1f25d4ebd08b3b0c2c079f9590800b3d"
+  integrity sha512-V+23sDMr12Wnz7iTcDeJr3O6AIxlnvT/bmaAAAP/Xda35C90p9599p0F1eHR/N1KILWSoWVAiOMFjBBXaXSMxg==
+  dependencies:
+    quick-lru "^5.1.1"
+    resolve-alpn "^1.0.0"
+
+http2-wrapper@^2.1.10:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/http2-wrapper/-/http2-wrapper-2.2.0.tgz#b80ad199d216b7d3680195077bd7b9060fa9d7f3"
+  integrity sha512-kZB0wxMo0sh1PehyjJUWRFEd99KC5TLjZ2cULC4f9iqJBAmKQQXEICjxl5iPJRwP40dpeHFqqhm7tYCvODpqpQ==
+  dependencies:
+    quick-lru "^5.1.1"
+    resolve-alpn "^1.2.0"
+
 iconv-lite@0.4.23:
   version "0.4.23"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.23.tgz#297871f63be507adcfbfca715d0cd0eed84e9a63"
@@ -2931,6 +3706,11 @@ idna-uts46-hx@^2.3.1:
   dependencies:
     punycode "2.1.0"
 
+ieee754@^1.1.13, ieee754@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.2.1.tgz#8eb7a10a63fff25d15a57b001586d177d1b0d352"
+  integrity sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==
+
 ieee754@^1.1.4:
   version "1.1.12"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.12.tgz#50bf24e5b9c8bb98af4964c941cdb0918da7b60b"
@@ -2980,6 +3760,11 @@ inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, i
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
   integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
 
+inherits@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
 inquirer@^6.2.2:
   version "6.2.2"
   resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-6.2.2.tgz#46941176f65c9eb20804627149b743a218f25406"
@@ -2999,13 +3784,6 @@ inquirer@^6.2.2:
     strip-ansi "^5.0.0"
     through "^2.3.6"
 
-invariant@^2.2.2:
-  version "2.2.4"
-  resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
-  integrity sha512-phJfQVBuaJM5raOpJjSfkiD6BpbCE4Ns//LaXl6wGYtUBY83nWS6Rf9tXm2e8VaK60JEjYldbPif/A2B1C2gNA==
-  dependencies:
-    loose-envify "^1.0.0"
-
 invert-kv@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-1.0.0.tgz#104a8e4aaca6d3d8cd157a8ef8bfab2d7a3ffdb6"
@@ -3021,6 +3799,14 @@ ipaddr.js@1.8.0:
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.8.0.tgz#eaa33d6ddd7ace8f7f6fe0c9ca0440e706738b1e"
   integrity sha1-6qM9bd16zo9/b+DJygRA5wZzix4=
 
+is-arguments@^1.0.4:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/is-arguments/-/is-arguments-1.1.1.tgz#15b3f88fda01f2a97fec84ca761a560f123efa9b"
+  integrity sha512-8Q7EARjzEnKpt/PCD7e1cgUS0a6X8u5tdSiMqXhojOdoV9TsMsiO+9VLC5vAmO8N7/GmXn7yjR8qnA6bVAEzfA==
+  dependencies:
+    call-bind "^1.0.2"
+    has-tostringtag "^1.0.0"
+
 is-arrayish@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
@@ -3038,28 +3824,23 @@ is-builtin-module@^1.0.0:
   dependencies:
     builtin-modules "^1.0.0"
 
-is-callable@^1.1.3, is-callable@^1.1.4:
+is-callable@^1.1.3:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.4.tgz#1e1adf219e1eeb684d691f9d6a05ff0d30a24d75"
   integrity sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA==
 
-is-date-object@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/is-date-object/-/is-date-object-1.0.1.tgz#9aa20eb6aeebbff77fbd33e74ca01b33581d3a16"
-  integrity sha1-mqIOtq7rv/d/vTPnTKAbM1gdOhY=
+is-core-module@^2.9.0:
+  version "2.11.0"
+  resolved "https://registry.yarnpkg.com/is-core-module/-/is-core-module-2.11.0.tgz#ad4cb3e3863e814523c96f3f58d26cc570ff0144"
+  integrity sha512-RRjxlvLDkD1YJwDbroBHMb+cukurkDWNyHx7D3oNB5x9rb5ogcksMC5wHCadcXoo67gVr/+3GFySh3134zi6rw==
+  dependencies:
+    has "^1.0.3"
 
 is-directory@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/is-directory/-/is-directory-0.3.1.tgz#61339b6f2475fc772fd9c9d83f5c8575dc154ae1"
   integrity sha1-YTObbyR1/Hcv2cnYP1yFddwVSuE=
 
-is-finite@^1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.0.2.tgz#cc6677695602be550ef11e8b4aa6305342b6d0aa"
-  integrity sha1-zGZ3aVYCvlUO8R6LSqYwU0K20Ko=
-  dependencies:
-    number-is-nan "^1.0.0"
-
 is-fn@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-fn/-/is-fn-1.0.0.tgz#9543d5de7bcf5b08a22ec8a20bae6e286d510d8c"
@@ -3082,11 +3863,25 @@ is-function@^1.0.1:
   resolved "https://registry.yarnpkg.com/is-function/-/is-function-1.0.1.tgz#12cfb98b65b57dd3d193a3121f5f6e2f437602b5"
   integrity sha1-Es+5i2W1fdPRk6MSH19uL0N2ArU=
 
+is-generator-function@^1.0.7:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/is-generator-function/-/is-generator-function-1.0.10.tgz#f1558baf1ac17e0deea7c0415c438351ff2b3c72"
+  integrity sha512-jsEjy9l3yiXEQ+PsXdmBwEPcOxaXWLspKdplFUVI9vq1iZgIekeC0L167qeu86czQaxed3q/Uzuw0swL0irL8A==
+  dependencies:
+    has-tostringtag "^1.0.0"
+
 is-hex-prefixed@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-hex-prefixed/-/is-hex-prefixed-1.0.0.tgz#7d8d37e6ad77e5d127148913c573e082d777f554"
   integrity sha1-fY035q135dEnFIkTxXPggtd39VQ=
 
+is-lower-case@^1.1.0:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/is-lower-case/-/is-lower-case-1.1.3.tgz#7e147be4768dc466db3bfb21cc60b31e6ad69393"
+  integrity sha512-+5A1e/WJpLLXZEDlgz4G//WYSHyQBD32qa4Jd3Lw06qQlv3fJHnp3YIHjTQSGzHMgzmVKz2ZP3rBxTHkPw/lxA==
+  dependencies:
+    lower-case "^1.1.0"
+
 is-natural-number@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/is-natural-number/-/is-natural-number-4.0.1.tgz#ab9d76e1db4ced51e35de0c72ebecf09f734cde8"
@@ -3107,13 +3902,6 @@ is-promise@^2.1.0:
   resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
   integrity sha1-eaKp7OfwlugPNtKy87wWwf9L8/o=
 
-is-regex@^1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz#5517489b547091b0930e095654ced25ee97e9491"
-  integrity sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=
-  dependencies:
-    has "^1.0.1"
-
 is-retry-allowed@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz#11a060568b67339444033d0125a61a20d564fb34"
@@ -3124,18 +3912,29 @@ is-stream@^1.0.0, is-stream@^1.0.1, is-stream@^1.1.0:
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
   integrity sha1-EtSj3U5o4Lec6428hBc66A2RykQ=
 
-is-symbol@^1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.2.tgz#a055f6ae57192caee329e7a860118b497a950f38"
-  integrity sha512-HS8bZ9ox60yCJLH9snBpIwv9pYUAkcuLhSA1oero1UB5y9aiQpRA8y2ex945AOtCZL1lJDeIk3G5LthswI46Lw==
+is-typed-array@^1.1.10, is-typed-array@^1.1.3:
+  version "1.1.10"
+  resolved "https://registry.yarnpkg.com/is-typed-array/-/is-typed-array-1.1.10.tgz#36a5b5cb4189b575d1a3e4b08536bfb485801e3f"
+  integrity sha512-PJqgEHiWZvMpaFZ3uTc8kHPM4+4ADTlDniuQL7cU/UDA0Ql7F70yGfHph3cLNe+c9toaigv+DFzTJKhc2CtO6A==
   dependencies:
-    has-symbols "^1.0.0"
+    available-typed-arrays "^1.0.5"
+    call-bind "^1.0.2"
+    for-each "^0.3.3"
+    gopd "^1.0.1"
+    has-tostringtag "^1.0.0"
 
 is-typedarray@^1.0.0, is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
   integrity sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=
 
+is-upper-case@^1.1.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/is-upper-case/-/is-upper-case-1.1.2.tgz#8d0b1fa7e7933a1e58483600ec7d9661cbaf756f"
+  integrity sha512-GQYSJMgfeAmVwh9ixyk888l7OIhNAGKtY6QA+IrWlu9MDTCaXmeozOZ2S9Knj7bQwBO/H6J2kb+pbyTUiMNbsw==
+  dependencies:
+    upper-case "^1.1.0"
+
 is-utf8@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
@@ -3195,21 +3994,21 @@ js-sha3@0.5.7, js-sha3@^0.5.7:
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.5.7.tgz#0d4ffd8002d5333aabaf4a23eed2f6374c9f28e7"
   integrity sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=
 
+js-sha3@0.8.0, js-sha3@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.8.0.tgz#b9b7a5da73afad7dedd0f8c463954cbde6818840"
+  integrity sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==
+
 js-sha3@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.3.1.tgz#86122802142f0828502a0d1dee1d95e253bb0243"
   integrity sha1-hhIoAhQvCChQKg0d7h2V4lO7AkM=
 
-"js-tokens@^3.0.0 || ^4.0.0", js-tokens@^4.0.0:
+js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
   integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
 
-js-tokens@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
-  integrity sha1-mGbfOVECEw449/mWvOtlRDIJwls=
-
 js-yaml@^3.12.0, js-yaml@^3.13.0:
   version "3.13.1"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
@@ -3223,41 +4022,33 @@ jsbn@~0.1.0:
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
   integrity sha1-peZUwuWi3rXyAdls77yoDA7y9RM=
 
-jsesc@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
-  integrity sha1-RsP+yMGJKxKwgz25vHYiF226s0s=
-
-jsesc@~0.5.0:
-  version "0.5.0"
-  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
-  integrity sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=
+json-buffer@3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/json-buffer/-/json-buffer-3.0.1.tgz#9338802a30d3b6605fbe0613e094008ca8c05a13"
+  integrity sha512-4bV5BfR2mqfQTJm+V5tPPdf+ZpuhiIvTuAB5g8kcrXOZpTT/QwwVRWBywX1ozr6lEuPdbHxwaJlm9G6mI2sfSQ==
 
 json-parse-better-errors@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
   integrity sha512-mrqyZKfX5EhL7hvqcV6WG1yYjnjeuYDzDhhcAAUrq8Po85NBQBJP+ZDUT75qZQ98IkUoBqdkExkukOU7Ts2wrw==
 
-json-rpc-engine@^3.4.0, json-rpc-engine@^3.6.0:
-  version "3.8.0"
-  resolved "https://registry.yarnpkg.com/json-rpc-engine/-/json-rpc-engine-3.8.0.tgz#9d4ff447241792e1d0a232f6ef927302bb0c62a9"
-  integrity sha512-6QNcvm2gFuuK4TKU1uwfH0Qd/cOSb9c1lls0gbnIhciktIUQJwz6NQNAW4B1KiGPenv7IKu97V222Yo1bNhGuA==
+json-rpc-engine@^5.1.3, json-rpc-engine@^5.3.0:
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/json-rpc-engine/-/json-rpc-engine-5.4.0.tgz#75758609d849e1dba1e09021ae473f3ab63161e5"
+  integrity sha512-rAffKbPoNDjuRnXkecTjnsE3xLLrb00rEkdgalINhaYVYIxDwWtvYBr9UFbhTvPB1B2qUOLoFd/cV6f4Q7mh7g==
   dependencies:
-    async "^2.0.1"
-    babel-preset-env "^1.7.0"
-    babelify "^7.3.0"
-    json-rpc-error "^2.0.0"
-    promise-to-callback "^1.0.0"
+    eth-rpc-errors "^3.0.0"
     safe-event-emitter "^1.0.1"
 
-json-rpc-error@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/json-rpc-error/-/json-rpc-error-2.0.0.tgz#a7af9c202838b5e905c7250e547f1aff77258a02"
-  integrity sha1-p6+cICg4tekFxyUOVH8a/3cligI=
+json-rpc-engine@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/json-rpc-engine/-/json-rpc-engine-6.1.0.tgz#bf5ff7d029e1c1bf20cb6c0e9f348dcd8be5a393"
+  integrity sha512-NEdLrtrq1jUZyfjkr9OCz9EzCNhnRyWtt1PAnvnhwy6e8XETS0Dtc+ZNCO2gvuAoKsIn2+vCSowXTYE4CkgnAQ==
   dependencies:
-    inherits "^2.0.1"
+    "@metamask/safe-event-emitter" "^2.0.0"
+    eth-rpc-errors "^4.0.2"
 
-json-rpc-random-id@^1.0.0:
+json-rpc-random-id@^1.0.0, json-rpc-random-id@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/json-rpc-random-id/-/json-rpc-random-id-1.0.1.tgz#ba49d96aded1444dbb8da3d203748acbbcdec8c8"
   integrity sha1-uknZat7RRE27jaPSA3SKy7zeyMg=
@@ -3294,11 +4085,6 @@ json-stringify-safe@~5.0.1:
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
   integrity sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=
 
-json5@^0.5.1:
-  version "0.5.1"
-  resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
-  integrity sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=
-
 jsonfile@^2.1.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-2.4.0.tgz#3736a2b428b87bbda0cc83b53fa3d633a35c2ae8"
@@ -3338,6 +4124,15 @@ keccak@^1.0.2:
     nan "^2.2.1"
     safe-buffer "^5.1.0"
 
+keccak@^3.0.0:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/keccak/-/keccak-3.0.3.tgz#4bc35ad917be1ef54ff246f904c2bbbf9ac61276"
+  integrity sha512-JZrLIAJWuZxKbCilMpNz5Vj7Vtb4scDG3dMXLOsbzBmQGyjwE61BbW7bJkfKKCShXiQZt3T6sBgALRtmd+nZaQ==
+  dependencies:
+    node-addon-api "^2.0.0"
+    node-gyp-build "^4.2.0"
+    readable-stream "^3.6.0"
+
 keccakjs@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/keccakjs/-/keccakjs-0.2.1.tgz#1d633af907ef305bbf9f2fa616d56c44561dfa4d"
@@ -3346,6 +4141,13 @@ keccakjs@^0.2.1:
     browserify-sha3 "^0.0.1"
     sha3 "^1.1.0"
 
+keyv@^4.0.0:
+  version "4.5.2"
+  resolved "https://registry.yarnpkg.com/keyv/-/keyv-4.5.2.tgz#0e310ce73bf7851ec702f2eaf46ec4e3805cce56"
+  integrity sha512-5MHbFaKn8cNSmVW7BYnijeAVlE4cYA/SVkifVgrh7yotnfhKmjuXpDKjrABLnT0SfHWV21P8ow07OGfRrNDg8g==
+  dependencies:
+    json-buffer "3.0.1"
+
 klaw@^1.0.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/klaw/-/klaw-1.3.1.tgz#4088433b46b3b1ba259d78785d8e96f73ba02439"
@@ -3452,6 +4254,13 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
+locate-path@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-5.0.0.tgz#1afba396afd676a6d42504d0a67a3a7eb9f62aa0"
+  integrity sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==
+  dependencies:
+    p-locate "^4.1.0"
+
 lodash.assign@^4.0.3, lodash.assign@^4.0.6:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/lodash.assign/-/lodash.assign-4.2.0.tgz#0d99f3ccd7a6d261d19bdaeb9245005d285808e7"
@@ -3462,6 +4271,11 @@ lodash.concat@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.concat/-/lodash.concat-4.5.0.tgz#b053ae02e4a8008582e7256b9d02bda6d0380395"
   integrity sha1-sFOuAuSoAIWC5yVrnQK9ptA4A5U=
 
+lodash.debounce@^4.0.8:
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
+  integrity sha512-FT1yDzDYEoYWhnSGnpE/4Kj1fLZkDFyqRb7fNt6FdYOSxlUWAtp42Eh6Wb0rGIv/m9Bgo7x4GhQbm5Ys4SG5ow==
+
 lodash.difference@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.difference/-/lodash.difference-4.5.0.tgz#9ccb4e505d486b91651345772885a2df27fd017c"
@@ -3522,6 +4336,11 @@ lodash.map@^4.6.0:
   resolved "https://registry.yarnpkg.com/lodash.map/-/lodash.map-4.6.0.tgz#771ec7839e3473d9c4cde28b19394c3562f4f6d3"
   integrity sha1-dx7Hg540c9nEzeKLGTlMNWL09tM=
 
+lodash.merge@^4.6.2:
+  version "4.6.2"
+  resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.2.tgz#558aa53b43b661e1925a0afdfa36a9a1085fe57a"
+  integrity sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==
+
 lodash.omit@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.omit/-/lodash.omit-4.5.0.tgz#6eb19ae5a1ee1dd9df0b969e66ce0b7fa30b5e60"
@@ -3557,23 +4376,43 @@ lodash.without@^4.4.0:
   resolved "https://registry.yarnpkg.com/lodash.without/-/lodash.without-4.4.0.tgz#3cd4574a00b67bae373a94b748772640507b7aac"
   integrity sha1-PNRXSgC2e643OpS3SHcmQFB7eqw=
 
-lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.4:
+lodash@^4.17.10, lodash@^4.17.11:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
   integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
 
-loose-envify@^1.0.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.4.0.tgz#71ee51fa7be4caec1a63839f7e682d8132d30caf"
-  integrity sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==
+lodash@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
+
+lower-case-first@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/lower-case-first/-/lower-case-first-1.0.2.tgz#e5da7c26f29a7073be02d52bac9980e5922adfa1"
+  integrity sha512-UuxaYakO7XeONbKrZf5FEgkantPf5DUqDayzP5VXZrtRPdH86s4kN47I8B3TW10S4QKiE3ziHNf3kRN//okHjA==
   dependencies:
-    js-tokens "^3.0.0 || ^4.0.0"
+    lower-case "^1.1.2"
+
+lower-case@^1.1.0, lower-case@^1.1.1, lower-case@^1.1.2:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/lower-case/-/lower-case-1.1.4.tgz#9a2cabd1b9e8e0ae993a4bf7d5875c39c42e8eac"
+  integrity sha512-2Fgx1Ycm599x+WGpIYwJOvsjmXFzTSc34IwDWALRA/8AopUKAVPwfJ+h5+f85BCp0PWmmJcWzEpxOpoXycMpdA==
 
 lowercase-keys@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.1.tgz#6f9e30b47084d971a7c820ff15a6c5167b74c26f"
   integrity sha512-G2Lj61tXDnVFFOi8VZds+SoQjtQC3dgokKdDG2mTm1tx4m50NUHBOZSBwQQHyy0V12A0JTG4icfZQH+xPyh8VA==
 
+lowercase-keys@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-2.0.0.tgz#2603e78b7b4b0006cbca2fbcc8a3202558ac9479"
+  integrity sha512-tqNXrS78oMOE73NMxK4EMLQsQowWf8jKooH9g7xPavRT706R6bkQJ6DY2Te7QukaZsulxa30wQ7bk0pm4XiHmA==
+
+lowercase-keys@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-3.0.0.tgz#c5e7d442e37ead247ae9db117a9d0a467c89d4f2"
+  integrity sha512-ozCC6gdQ+glXOQsveKD0YsDy8DSQFjDTz4zyzEHNV5+JP5D62LmfDZ6o1cycFx9ouG940M5dE8C8CTewdj2YWQ==
+
 lru-cache@^4.0.1:
   version "4.1.5"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.5.tgz#8bbe50ea85bed59bc9e33dcab8235ee9bcf443cd"
@@ -3582,6 +4421,20 @@ lru-cache@^4.0.1:
     pseudomap "^1.0.2"
     yallist "^2.1.2"
 
+lru-cache@^5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-5.1.1.tgz#1da27e6710271947695daf6848e847f01d84b920"
+  integrity sha512-KpNARQA3Iwv+jTA0utUVVbrh+Jlrr1Fv0e56GGzAFOXN7dk/FviaDW8LHmK52DlcH4WP2n6gI8vN1aesBFgo9w==
+  dependencies:
+    yallist "^3.0.2"
+
+lru-cache@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-6.0.0.tgz#6d6fe6570ebd96aaf90fcad1dafa3b2566db3a94"
+  integrity sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==
+  dependencies:
+    yallist "^4.0.0"
+
 ltgt@~2.2.0:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ltgt/-/ltgt-2.2.1.tgz#f35ca91c493f7b73da0e07495304f17b31f87ee5"
@@ -3712,6 +4565,11 @@ mimic-response@^1.0.0:
   resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-1.0.1.tgz#4923538878eef42063cb8a3e3b0798781487ab1b"
   integrity sha512-j5EctnkH7amfV/q5Hgmoal1g2QHFJRraOtmx0JpIqkxhBhI/lJSl1nMpQ45hVarwNETOoWEimndZ4QK0RHxuxQ==
 
+mimic-response@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-3.1.0.tgz#2d1d59af9c1b129815accc2c46a022a5ce1fa3c9"
+  integrity sha512-z0yWI+4FDrrweS8Zmt4Ej5HdJmky15+L2e6Wgn3+iK5fWzb6T3fhNFq2+MeTRb064c6Wr4N/wv0DzQTjNzHNGQ==
+
 min-document@^2.19.0:
   version "2.19.0"
   resolved "https://registry.yarnpkg.com/min-document/-/min-document-2.19.0.tgz#7bd282e3f5842ed295bb748cdd9f1ffa2c824685"
@@ -3741,7 +4599,7 @@ minimist@0.0.8:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
   integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
 
-minimist@^1.2.0, minimist@~1.2.0:
+minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
   integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
@@ -3806,11 +4664,56 @@ ms@2.0.0:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
   integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
 
+ms@2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+  integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
+
 ms@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
   integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
 
+multibase@^0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/multibase/-/multibase-0.7.0.tgz#1adfc1c50abe05eefeb5091ac0c2728d6b84581b"
+  integrity sha512-TW8q03O0f6PNFTQDvh3xxH03c8CjGaaYrjkl9UQPG6rz53TQzzxJVCIWVjzcbN/Q5Y53Zd0IBQBMVktVgNx4Fg==
+  dependencies:
+    base-x "^3.0.8"
+    buffer "^5.5.0"
+
+multibase@~0.6.0:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/multibase/-/multibase-0.6.1.tgz#b76df6298536cc17b9f6a6db53ec88f85f8cc12b"
+  integrity sha512-pFfAwyTjbbQgNc3G7D48JkJxWtoJoBMaR4xQUOuB8RnCgRqaYmWNFeJTTvrJ2w51bjLq2zTby6Rqj9TQ9elSUw==
+  dependencies:
+    base-x "^3.0.8"
+    buffer "^5.5.0"
+
+multicodec@^0.5.5:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/multicodec/-/multicodec-0.5.7.tgz#1fb3f9dd866a10a55d226e194abba2dcc1ee9ffd"
+  integrity sha512-PscoRxm3f+88fAtELwUnZxGDkduE2HD9Q6GHUOywQLjOGT/HAdhjLDYNZ1e7VR0s0TP0EwZ16LNUTFpoBGivOA==
+  dependencies:
+    varint "^5.0.0"
+
+multicodec@^1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/multicodec/-/multicodec-1.0.4.tgz#46ac064657c40380c28367c90304d8ed175a714f"
+  integrity sha512-NDd7FeS3QamVtbgfvu5h7fd1IlbaC4EQ0/pgU4zqE2vdHCmBGsUa0TiM8/TdSeG6BMPC92OOCf8F1ocE/Wkrrg==
+  dependencies:
+    buffer "^5.6.0"
+    varint "^5.0.0"
+
+multihashes@^0.4.15, multihashes@~0.4.15:
+  version "0.4.21"
+  resolved "https://registry.yarnpkg.com/multihashes/-/multihashes-0.4.21.tgz#dc02d525579f334a7909ade8a122dabb58ccfcb5"
+  integrity sha512-uVSvmeCWf36pU2nB4/1kzYZjsXD9vofZKpgudqkceYY5g2aZZXJ5r9lxuzoRLl1OAp28XljXsEJ/X/85ZsKmKw==
+  dependencies:
+    buffer "^5.5.0"
+    multibase "^0.7.0"
+    varint "^5.0.0"
+
 mute-stream@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
@@ -3840,6 +4743,11 @@ nan@^2.11.0, nan@^2.2.1:
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.12.1.tgz#7b1aa193e9aa86057e3c7bbd0ac448e770925552"
   integrity sha512-JY7V6lRkStKcKTvHO5NVSQRv+RV+FIL5pvDoLiAtSL9pKlC5x9PKQcZDsq7m4FO4d57mkhC6Z+QhAh3Jdk5JFw==
 
+nano-base32@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/nano-base32/-/nano-base32-1.0.1.tgz#ba548c879efcfb90da1c4d9e097db4a46c9255ef"
+  integrity sha512-sxEtoTqAPdjWVGv71Q17koMFGsOMSiHsIFEvzOM7cNp8BXB4AnEwmDabm5dorusJf/v1z7QxaZYxUorU9RKaAw==
+
 nano-json-stream-parser@^0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/nano-json-stream-parser/-/nano-json-stream-parser-0.1.2.tgz#0cc8f6d0e2b622b479c40d499c46d64b755c6f5f"
@@ -3855,16 +4763,40 @@ negotiator@0.6.1:
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
   integrity sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk=
 
+next-tick@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.1.0.tgz#1836ee30ad56d67ef281b22bd199f709449b35eb"
+  integrity sha512-CXdUiJembsNjuToQvxayPZF9Vqht7hewsvy2sOWafLvi2awflj9mOC6bHIg50orX8IJvWKY9wYQ/zB2kogPslQ==
+
 nice-try@^1.0.4:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
   integrity sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==
 
+no-case@^2.2.0, no-case@^2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/no-case/-/no-case-2.3.2.tgz#60b813396be39b3f1288a4c1ed5d1e7d28b464ac"
+  integrity sha512-rmTZ9kz+f3rCvK2TD1Ue/oZlns7OGoIWP4fc3llxxRXlOkHKoWPPWJOfFYpITabSow43QJbRIoHQXtt10VldyQ==
+  dependencies:
+    lower-case "^1.1.1"
+
+node-addon-api@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/node-addon-api/-/node-addon-api-2.0.2.tgz#432cfa82962ce494b132e9d72a15b29f71ff5d32"
+  integrity sha512-Ntyt4AIXyaLIuMHF6IOoTakB3K+RWxwtsHNRxllEoA6vPwP9o4866g6YWDLUdnucilZhmkxiHwHr11gAENw+QA==
+
 node-fetch@2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.1.2.tgz#ab884e8e7e57e38a944753cec706f788d1768bb5"
   integrity sha1-q4hOjn5X44qUR1POxwb3iNF2i7U=
 
+node-fetch@2.6.7, node-fetch@^2.6.0, node-fetch@^2.6.1:
+  version "2.6.7"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.7.tgz#24de9fba827e3b4ae44dc8b20256a379160052ad"
+  integrity sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==
+  dependencies:
+    whatwg-url "^5.0.0"
+
 node-fetch@~1.7.1:
   version "1.7.3"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.3.tgz#980f6f72d85211a5347c6b2bc18c5b84c3eb47ef"
@@ -3873,6 +4805,21 @@ node-fetch@~1.7.1:
     encoding "^0.1.11"
     is-stream "^1.0.1"
 
+node-gyp-build@^4.2.0, node-gyp-build@^4.3.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-4.5.0.tgz#7a64eefa0b21112f89f58379da128ac177f20e40"
+  integrity sha512-2iGbaQBV+ITgCz76ZEjmhUKAKVf7xfY1sRl4UiKQspfZMH2h06SyhNsnSVy50cwkFQDGLyif6m/6uFXHkOZ6rg==
+
+node-releases@^2.0.6:
+  version "2.0.8"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.8.tgz#0f349cdc8fcfa39a92ac0be9bc48b7706292b9ae"
+  integrity sha512-dFSmB8fFHEH/s81Xi+Y/15DQY6VHW81nXRj86EMSL3lmuTmK1e+aT4wrFCkTbm+gSwkw4KpX+rT/pMM2c1mF+A==
+
+nofilter@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/nofilter/-/nofilter-1.0.4.tgz#78d6f4b6a613e7ced8b015cec534625f7667006e"
+  integrity sha512-N8lidFp+fCz+TD51+haYdbDGrcBWwuHX40F5+z0qkUjMJ5Tp+rdSuAkMJ9N9eoolDlEVTf6u5icM+cNKkKW2mA==
+
 normalize-package-data@^2.3.2:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.4.0.tgz#12f95a307d58352075a04907b84ac8be98ac012f"
@@ -3883,6 +4830,11 @@ normalize-package-data@^2.3.2:
     semver "2 || 3 || 4 || 5"
     validate-npm-package-license "^3.0.1"
 
+normalize-url@^6.0.1:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-6.1.0.tgz#40d0885b535deffe3f3147bec877d05fe4c5668a"
+  integrity sha512-DlL+XwOy3NxAQ8xuC0okPgK46iuVNAK01YN7RueYBqqFeGsBjV9XmCAzAdgt+667bCl5kPh9EqKKDwnaPG1I7A==
+
 npm-run-path@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/npm-run-path/-/npm-run-path-2.0.2.tgz#35a9232dfa35d7067b4cb2ddf2357b1871536c5f"
@@ -3890,6 +4842,13 @@ npm-run-path@^2.0.0:
   dependencies:
     path-key "^2.0.0"
 
+nth-check@^2.0.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/nth-check/-/nth-check-2.1.1.tgz#c9eab428effce36cd6b92c924bdb000ef1f1ed1d"
+  integrity sha512-lqjrjmaOoAnWfMmBPL+XNnynZh2+swxiX3WUE0s4yEHI6m+AwrK2UZOimIRl3X/4QctVqS8AiZjFqyOGrMXb/w==
+  dependencies:
+    boolbase "^1.0.0"
+
 number-is-nan@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
@@ -3908,21 +4867,11 @@ oauth-sign@~0.9.0:
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz#47a7b016baa68b5fa0ecf3dee08a85c679ac6455"
   integrity sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==
 
-object-assign@^4, object-assign@^4.0.0, object-assign@^4.0.1, object-assign@^4.1.0, object-assign@^4.1.1:
+object-assign@^4, object-assign@^4.0.1, object-assign@^4.1.0, object-assign@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
   integrity sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=
 
-object-inspect@~1.6.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.6.0.tgz#c70b6cbf72f274aab4c34c0c82f5167bf82cf15b"
-  integrity sha512-GJzfBZ6DgDAmnuaM3104jR4s1Myxr3Y3zfIyN4z3UdqN69oSRacNK8UhnobDdC+7J2AHCjGwxQubNJfE70SXXQ==
-
-object-keys@^1.0.12:
-  version "1.0.12"
-  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.0.12.tgz#09c53855377575310cca62f55bb334abff7b3ed2"
-  integrity sha512-FTMyFUm2wBcGHnH2eXmz7tC6IwlqQZ6mVZ+6dm6vZ4IQIHjs6FdNsQBuKGPuUUUY6NfJw2PshC08Tn6LzLDOag==
-
 object-keys@~0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-0.4.0.tgz#28a6aae7428dd2c3a92f3d95f21335dd204e0336"
@@ -3935,6 +4884,13 @@ oboe@2.1.3:
   dependencies:
     http-https "^1.0.0"
 
+oboe@2.1.5:
+  version "2.1.5"
+  resolved "https://registry.yarnpkg.com/oboe/-/oboe-2.1.5.tgz#5554284c543a2266d7a38f17e073821fbde393cd"
+  integrity sha512-zRFWiF+FoicxEs3jNI/WYUrVEgA7DeET/InK0XQuudGHRg8iIob3cNPrJTKaz4004uaA9Pbe+Dwa8iluhjLZWA==
+  dependencies:
+    http-https "^1.0.0"
+
 on-finished@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
@@ -3961,22 +4917,16 @@ openzeppelin-eth@^2.0.2:
   resolved "https://registry.yarnpkg.com/openzeppelin-eth/-/openzeppelin-eth-2.1.3.tgz#d9a4d7830ca8e4c3bc44164179a661112655e8b2"
   integrity sha512-k1Yv3V7u369ERXV0xf+ru3TH+ZopFYY0E1M+4O32Q+0b4XLm2acVBaUvbuuqYMkUjKhSfu8HuPpXL7OWMEJWRw==
 
+openzeppelin-solidity@^2.2.0:
+  version "2.5.1"
+  resolved "https://registry.yarnpkg.com/openzeppelin-solidity/-/openzeppelin-solidity-2.5.1.tgz#1cdcce30c4c6a7b6625dab62ccd0440a813ab597"
+  integrity sha512-oCGtQPLOou4su76IMr4XXJavy9a8OZmAXeUZ8diOdFznlL/mlkIlYr7wajqCzH4S47nlKPS7m0+a2nilCTpVPQ==
+
 openzeppelin-solidity@~1.10.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/openzeppelin-solidity/-/openzeppelin-solidity-1.10.0.tgz#d77eee6653f5958d051318a61ba0b436f92216c0"
   integrity sha512-igkrumQQ2lrN2zjeQV4Dnb0GpTBj1fzMcd8HPyBUqwI0hhuscX/HzXiqKT6gFQl1j9Wy/ppVVs9fqL/foF7Gmg==
 
-openzeppelin-test-helpers@^0.3.2:
-  version "0.3.2"
-  resolved "https://registry.yarnpkg.com/openzeppelin-test-helpers/-/openzeppelin-test-helpers-0.3.2.tgz#87552090a36751428be513afa349e3a59a40ee1e"
-  integrity sha512-PFTIzyYswBt5IiZu/qayIjnS1HJ+Mr0ekVzLfube/qcUGvoA4Ru5SJdit2FYKljaPdiyvLD1jYJJecA50A2RtA==
-  dependencies:
-    ansi-colors "^3.2.3"
-    chai-bn "^0.1.1"
-    ethjs-abi "^0.2.1"
-    semver "^5.6.0"
-    truffle-contract "^4.0.8"
-
 optionator@^0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
@@ -3994,11 +4944,6 @@ original-require@1.0.1:
   resolved "https://registry.yarnpkg.com/original-require/-/original-require-1.0.1.tgz#0f130471584cd33511c5ec38c8d59213f9ac5e20"
   integrity sha1-DxMEcVhM0zURxew4yNWSE/msXiA=
 
-os-homedir@^1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
-  integrity sha1-/7xJiDNuDoM94MFox+8VISGqf7M=
-
 os-locale@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
@@ -4024,7 +4969,7 @@ os-locale@^3.0.0:
     lcid "^2.0.0"
     mem "^4.0.0"
 
-os-tmpdir@^1.0.1, os-tmpdir@~1.0.2:
+os-tmpdir@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
   integrity sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=
@@ -4034,6 +4979,16 @@ p-cancelable@^0.3.0:
   resolved "https://registry.yarnpkg.com/p-cancelable/-/p-cancelable-0.3.0.tgz#b9e123800bcebb7ac13a479be195b507b98d30fa"
   integrity sha512-RVbZPLso8+jFeq1MfNvgXtCRED2raz/dKpacfTNxsx6pLEpEomM7gah6VeHSYV3+vo0OAi4MkArtQcWWXuQoyw==
 
+p-cancelable@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/p-cancelable/-/p-cancelable-2.1.1.tgz#aab7fbd416582fa32a3db49859c122487c5ed2cf"
+  integrity sha512-BZOr3nRQHOntUjTrH8+Lh54smKHoHyur8We1V8DSMVrl5A2malOOwuJRnKRDjSnkoeBh4at6BwEnb5I7Jl31wg==
+
+p-cancelable@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/p-cancelable/-/p-cancelable-3.0.0.tgz#63826694b54d61ca1c20ebcb6d3ecf5e14cd8050"
+  integrity sha512-mlVgR3PGuzlo0MmTdk4cXqXWlwQDLnONTAg6sm62XkMJEiRxN3GL3SffkYvqwonbkJBcrI7Uvv5Zh9yjvn2iUw==
+
 p-defer@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/p-defer/-/p-defer-1.0.0.tgz#9f6eb182f6c9aa8cd743004a7d4f96b196b0fb0c"
@@ -4063,6 +5018,13 @@ p-limit@^2.0.0:
   dependencies:
     p-try "^2.0.0"
 
+p-limit@^2.2.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.3.0.tgz#3dd33c647a214fdfffd835933eb086da0dc21db1"
+  integrity sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==
+  dependencies:
+    p-try "^2.0.0"
+
 p-locate@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-2.0.0.tgz#20a0103b222a70c8fd39cc2e580680f3dde5ec43"
@@ -4077,6 +5039,13 @@ p-locate@^3.0.0:
   dependencies:
     p-limit "^2.0.0"
 
+p-locate@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-4.1.0.tgz#a3428bb7088b3a60292f66919278b7c297ad4f07"
+  integrity sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==
+  dependencies:
+    p-limit "^2.2.0"
+
 p-timeout@^1.1.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/p-timeout/-/p-timeout-1.2.1.tgz#5eb3b353b7fce99f101a1038880bb054ebbea386"
@@ -4094,6 +5063,13 @@ p-try@^2.0.0:
   resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.2.0.tgz#cb2868540e313d61de58fafbe35ce9004d5540e6"
   integrity sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==
 
+param-case@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/param-case/-/param-case-2.1.1.tgz#df94fd8cf6531ecf75e6bef9a0858fbc72be2247"
+  integrity sha512-eQE845L6ot89sk2N8liD8HAuH4ca6Vvr7VWAWwt7+kvvG5aBcPmmphQ68JsEG2qa9n1TykS2DLeMt363AAH8/w==
+  dependencies:
+    no-case "^2.2.0"
+
 parent-module@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/parent-module/-/parent-module-1.0.1.tgz#691d2709e78c79fae3a156622452d00762caaaa2"
@@ -4135,11 +5111,41 @@ parse-json@^4.0.0:
     error-ex "^1.3.1"
     json-parse-better-errors "^1.0.1"
 
+parse5-htmlparser2-tree-adapter@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/parse5-htmlparser2-tree-adapter/-/parse5-htmlparser2-tree-adapter-7.0.0.tgz#23c2cc233bcf09bb7beba8b8a69d46b08c62c2f1"
+  integrity sha512-B77tOZrqqfUfnVcOrUvfdLbz4pu4RopLD/4vmu3HUPswwTA8OH0EMW9BlWR2B0RCoiZRAHEUu7IxeP1Pd1UU+g==
+  dependencies:
+    domhandler "^5.0.2"
+    parse5 "^7.0.0"
+
+parse5@^7.0.0:
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/parse5/-/parse5-7.1.2.tgz#0736bebbfd77793823240a23b7fc5e010b7f8e32"
+  integrity sha512-Czj1WaSVpaoj0wbhMzLmWD69anp2WH7FXMB9n1Sy8/ZFF9jolSQVMu1Ij5WIyGmcBmhk7EOndpO4mIpihVqAXw==
+  dependencies:
+    entities "^4.4.0"
+
 parseurl@~1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.2.tgz#fc289d4ed8993119460c156253262cdc8de65bf3"
   integrity sha1-/CidTtiZMRlGDBViUyYs3I3mW/M=
 
+pascal-case@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pascal-case/-/pascal-case-2.0.1.tgz#2d578d3455f660da65eca18ef95b4e0de912761e"
+  integrity sha512-qjS4s8rBOJa2Xm0jmxXiyh1+OFf6ekCWOvUaRgAQSktzlTbMotS0nmG9gyYAybCWBcuP4fsBeRCKNwGBnMe2OQ==
+  dependencies:
+    camel-case "^3.0.0"
+    upper-case-first "^1.1.0"
+
+path-case@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/path-case/-/path-case-2.1.1.tgz#94b8037c372d3fe2906e465bb45e25d226e8eea5"
+  integrity sha512-Ou0N05MioItesaLr9q8TtHVWmJ6fxWdqKB2RohFmNWVyJ+2zeKIeDNWAN6B/Pe7wpzWChhZX6nONYmOnMeJQ/Q==
+  dependencies:
+    no-case "^2.2.0"
+
 path-exists@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
@@ -4152,7 +5158,12 @@ path-exists@^3.0.0:
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
   integrity sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=
 
-path-is-absolute@^1.0.0, path-is-absolute@^1.0.1:
+path-exists@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-4.0.0.tgz#513bdbe2d3b95d7762e8c1137efa195c6c61b5b3"
+  integrity sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==
+
+path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
   integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
@@ -4167,10 +5178,10 @@ path-key@^2.0.0, path-key@^2.0.1:
   resolved "https://registry.yarnpkg.com/path-key/-/path-key-2.0.1.tgz#411cadb574c5a140d3a4b1910d40d80cc9f40b40"
   integrity sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=
 
-path-parse@^1.0.6:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
-  integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
+path-parse@^1.0.7:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.7.tgz#fbc114b60ca42b30d9daf5858e4bd68bbedb6735"
+  integrity sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==
 
 path-to-regexp@0.1.7:
   version "0.1.7"
@@ -4191,6 +5202,17 @@ pathval@^1.1.0:
   resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
   integrity sha1-uULm1L3mUwBe9rcTYd74cn0GReA=
 
+pbkdf2@^3.0.17:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.1.2.tgz#dd822aa0887580e52f1a039dc3eda108efae3075"
+  integrity sha512-iuh7L6jA7JEGu2WxDwtQP1ddOpaJNC4KlDEFfdQajSGgGPNi4OyDc2R7QnbY2bR9QjBVGwgvTdNJZoE7RaxUMA==
+  dependencies:
+    create-hash "^1.1.2"
+    create-hmac "^1.1.4"
+    ripemd160 "^2.0.1"
+    safe-buffer "^5.0.1"
+    sha.js "^2.4.8"
+
 pbkdf2@^3.0.3:
   version "3.0.17"
   resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.17.tgz#976c206530617b14ebb32114239f7b09336e93a6"
@@ -4212,6 +5234,11 @@ performance-now@^2.1.0:
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
+picocolors@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.0.0.tgz#cb5bdc74ff3f51892236eaf79d68bc44564ab81c"
+  integrity sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==
+
 pify@^2.0.0, pify@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
@@ -4222,6 +5249,11 @@ pify@^3.0.0:
   resolved "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
   integrity sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=
 
+pify@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-5.0.0.tgz#1f5eca3f5e87ebec28cc6d54a0e4aaf00acc127f"
+  integrity sha512-eW/gHNMlxdSP6dmG6uJip6FXN0EQBwm2clYYd8Wul42Cwu/DK8HEftzsapcNdYe2MfLiIwZqsDk2RDEsTE79hA==
+
 pinkie-promise@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
@@ -4254,11 +5286,6 @@ prettier@^1.14.3:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.17.0.tgz#53b303676eed22cc14a9f0cec09b477b3026c008"
   integrity sha512-sXe5lSt2WQlCbydGETgfm1YBShgOX4HxQkFPvbxkcwgDvGDeqVau8h+12+lmSVlP3rHPz0oavfddSZg/q+Szjw==
 
-private@^0.1.6, private@^0.1.8:
-  version "0.1.8"
-  resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
-  integrity sha512-VvivMrbvd2nKkiG38qjULzlc+4Vx4wm/whI9pQD35YrARNnhxeiRktSOhSukRLFNlzg6Br/cJPet5J/u19r/mg==
-
 process-nextick-args@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
@@ -4340,6 +5367,11 @@ punycode@^1.4.1:
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
   integrity sha1-wNWmOycYgArY4esPpSachN1BhF4=
 
+pure-rand@^5.0.1:
+  version "5.0.5"
+  resolved "https://registry.yarnpkg.com/pure-rand/-/pure-rand-5.0.5.tgz#bda2a7f6a1fc0f284d78d78ca5902f26f2ad35cf"
+  integrity sha512-BwQpbqxSCBJVpamI6ydzcKqyFmnd5msMWUGvzXLm1aXvusbbgkbOto/EUPM00hjveJEaJtdbhUjKSzWRhQVkaw==
+
 qs@6.5.2, qs@~6.5.2:
   version "6.5.2"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
@@ -4359,13 +5391,25 @@ querystringify@^2.0.0:
   resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.1.1.tgz#60e5a5fd64a7f8bfa4d2ab2ed6fdf4c85bad154e"
   integrity sha512-w7fLxIRCRT7U8Qu53jQnJyPkYZIaR4n5151KMfcJlO/A9397Wxb1amJvROTK6TOnp7PfoAmg/qXiNHI+08jRfA==
 
-randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5, randombytes@^2.0.6:
+quick-lru@^5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/quick-lru/-/quick-lru-5.1.1.tgz#366493e6b3e42a3a6885e2e99d18f80fb7a8c932"
+  integrity sha512-WuyALRjWPDGtt/wzJiadO5AXY+8hZ80hVpe6MyivgraREW751X3SbhRvG3eLKOYN+8VEvqLcf3wdnt44Z4S4SA==
+
+randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.0.6.tgz#d302c522948588848a8d300c932b44c24231da80"
   integrity sha512-CIQ5OFxf4Jou6uOKe9t1AOgqpeU5fd70A8NPdHSGeYXqXsPe6peOwI0cUl88RWZ6sP1vPMV3avd/R6cZ5/sP1A==
   dependencies:
     safe-buffer "^5.1.0"
 
+randombytes@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.1.0.tgz#df6f84372f0270dc65cdf6291349ab7a473d4f2a"
+  integrity sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==
+  dependencies:
+    safe-buffer "^5.1.0"
+
 randomfill@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/randomfill/-/randomfill-1.0.4.tgz#c92196fc86ab42be983f1bf31778224931d61458"
@@ -4430,7 +5474,7 @@ readable-stream@^1.0.33:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-stream@^2.0.0, readable-stream@^2.2.2, readable-stream@^2.2.9, readable-stream@^2.3.0, readable-stream@^2.3.5, readable-stream@~2.3.6:
+readable-stream@^2.0.0, readable-stream@^2.2.9, readable-stream@^2.3.0, readable-stream@^2.3.5:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
@@ -4443,6 +5487,15 @@ readable-stream@^2.0.0, readable-stream@^2.2.2, readable-stream@^2.2.9, readable
     string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
+readable-stream@^3.6.0:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.0.tgz#337bbda3adc0706bd3e024426a286d4b4b2c9198"
+  integrity sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==
+  dependencies:
+    inherits "^2.0.3"
+    string_decoder "^1.1.1"
+    util-deprecate "^1.0.1"
+
 readable-stream@~1.0.15:
   version "1.0.34"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
@@ -4453,64 +5506,22 @@ readable-stream@~1.0.15:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-regenerate@^1.2.1:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.0.tgz#4a856ec4b56e4077c557589cae85e7a4c8869a11"
-  integrity sha512-1G6jJVDWrt0rK99kBjvEtziZNCICAuvIPkSiUFIQxVP06RCVpq3dmDo2oi6ABpYaDYaTRr67BEhL8r1wgEZZKg==
-
-regenerator-runtime@^0.11.0:
-  version "0.11.1"
-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
-  integrity sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==
+regenerator-runtime@^0.13.11:
+  version "0.13.11"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.11.tgz#f6dca3e7ceec20590d07ada785636a90cdca17f9"
+  integrity sha512-kY1AZVr2Ra+t+piVaJ4gxaFaReZVH40AKNo7UCX6W+dEwBo/2oZJzqfuN1qLq1oL45o56cPaTXELwrTh8Fpggg==
 
 regenerator-runtime@^0.13.2:
   version "0.13.2"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.2.tgz#32e59c9a6fb9b1a4aff09b4930ca2d4477343447"
   integrity sha512-S/TQAZJO+D3m9xeN1WTI8dLKBBiRgXBlTJvbWjCThHWZj9EvHK70Ff50/tYj2J/fvBY6JtFVwRuazHN2E7M9BA==
 
-regenerator-transform@^0.10.0:
-  version "0.10.1"
-  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.10.1.tgz#1e4996837231da8b7f3cf4114d71b5691a0680dd"
-  integrity sha512-PJepbvDbuK1xgIgnau7Y90cwaAmO/LCLMI2mPvaXq2heGMR3aWW5/BQvYrhJ8jgmQjXewXvBjzfqKcVOmhjZ6Q==
-  dependencies:
-    babel-runtime "^6.18.0"
-    babel-types "^6.19.0"
-    private "^0.1.6"
-
 regexpp@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-2.0.1.tgz#8d19d31cf632482b589049f8281f93dbcba4d07f"
   integrity sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw==
 
-regexpu-core@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-2.0.0.tgz#49d038837b8dcf8bfa5b9a42139938e6ea2ae240"
-  integrity sha1-SdA4g3uNz4v6W5pCE5k45uoq4kA=
-  dependencies:
-    regenerate "^1.2.1"
-    regjsgen "^0.2.0"
-    regjsparser "^0.1.4"
-
-regjsgen@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"
-  integrity sha1-bAFq3qxVT3WCP+N6wFuS1aTtsfc=
-
-regjsparser@^0.1.4:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/regjsparser/-/regjsparser-0.1.5.tgz#7ee8f84dc6fa792d3fd0ae228d24bd949ead205c"
-  integrity sha1-fuj4Tcb6eS0/0K4ijSS9lJ6tIFw=
-  dependencies:
-    jsesc "~0.5.0"
-
-repeating@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/repeating/-/repeating-2.0.1.tgz#5214c53a926d3552707527fbab415dbc08d06dda"
-  integrity sha1-UhTFOpJtNVJwdSf7q0FdvAjQbdo=
-  dependencies:
-    is-finite "^1.0.0"
-
-request@^2.67.0, request@^2.79.0, request@^2.85.0, request@^2.88.0:
+request@^2.79.0, request@^2.85.0, request@^2.88.0:
   version "2.88.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.88.0.tgz#9c2fca4f7d35b592efe57c7f0a55e81052124fef"
   integrity sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==
@@ -4561,6 +5572,11 @@ requires-port@^1.0.0:
   resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
   integrity sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8=
 
+resolve-alpn@^1.0.0, resolve-alpn@^1.2.0:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/resolve-alpn/-/resolve-alpn-1.2.1.tgz#b7adbdac3546aaaec20b45e7d8265927072726f9"
+  integrity sha512-0a1F4l73/ZFZOakJnQ3FvkJ2+gSTQWz/r2KE5OdDY0TxPm5h4GkqkWWfM47T7HsbnOtcJVEF4epCVy6u7Q3K+g==
+
 resolve-from@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-3.0.0.tgz#b22c7af7d9d6881bc8b6e653335eebcb0a188748"
@@ -4571,12 +5587,21 @@ resolve-from@^4.0.0:
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-4.0.0.tgz#4abcd852ad32dd7baabfe9b40e00a36db5f392e6"
   integrity sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==
 
-resolve@~1.10.0:
-  version "1.10.0"
-  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.10.0.tgz#3bdaaeaf45cc07f375656dfd2e54ed0810b101ba"
-  integrity sha512-3sUr9aq5OfSg2S9pNtPA9hL1FVEAjvfOC4leW0SNf/mpnaakz2a9femSd6LqAww2RaFctwyf1lCqnTHuF1rxDg==
+resolve@^1.14.2:
+  version "1.22.1"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.22.1.tgz#27cb2ebb53f91abb49470a928bba7558066ac177"
+  integrity sha512-nBpuuYuY5jFsli/JIs1oldw6fOQCBioohqWZg/2hiaOybXOft4lonv85uDOKXdf8rhyK159cxU5cDcK/NKk8zw==
+  dependencies:
+    is-core-module "^2.9.0"
+    path-parse "^1.0.7"
+    supports-preserve-symlinks-flag "^1.0.0"
+
+responselike@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/responselike/-/responselike-2.0.1.tgz#9a0bc8fdc252f3fb1cca68b016591059ba1422bc"
+  integrity sha512-4gl03wn3hj1HP3yzgdI7d3lCkF95F21Pz4BPGvKHinyQzALR5CapwC8yIi0Rh58DEMQ/SguC03wFj2k0M/mHhw==
   dependencies:
-    path-parse "^1.0.6"
+    lowercase-keys "^2.0.0"
 
 restore-cursor@^2.0.0:
   version "2.0.0"
@@ -4586,13 +5611,6 @@ restore-cursor@^2.0.0:
     onetime "^2.0.0"
     signal-exit "^3.0.2"
 
-resumer@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/resumer/-/resumer-0.0.0.tgz#f1e8f461e4064ba39e82af3cdc2a8c893d076759"
-  integrity sha1-8ej0YeQGS6Oegq883CqMiT0HZ1k=
-  dependencies:
-    through "~2.3.4"
-
 rimraf@2, rimraf@2.6.3:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.3.tgz#b2d104fe0d8fb27cf9e0a1cda8262dd3833c6cab"
@@ -4607,7 +5625,12 @@ rimraf@^2.2.8:
   dependencies:
     glob "^7.0.5"
 
-ripemd160@^2.0.0, ripemd160@^2.0.1:
+ripemd160-min@0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/ripemd160-min/-/ripemd160-min-0.0.6.tgz#a904b77658114474d02503e819dcc55853b67e62"
+  integrity sha512-+GcJgQivhs6S9qvLogusiTcS9kQUfgR75whKuy5jIhuiOfQuJ8fjqxV6EGD5duH1Y/FawFUMtMhyeq3Fbnib8A==
+
+ripemd160@^2.0.0, ripemd160@^2.0.1, ripemd160@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/ripemd160/-/ripemd160-2.0.2.tgz#a1c1a6f624751577ba5d07914cbc92850585890c"
   integrity sha512-ii4iagi25WusVoiC4B4lq7pbXfAp3D9v5CwfkY33vffw2+pkDjY1D8GaN7spsxvCSx8dkPqOZCEZyfxcmJG2IA==
@@ -4623,6 +5646,13 @@ rlp@^2.0.0:
     bn.js "^4.11.1"
     safe-buffer "^5.1.1"
 
+rlp@^2.2.4:
+  version "2.2.7"
+  resolved "https://registry.yarnpkg.com/rlp/-/rlp-2.2.7.tgz#33f31c4afac81124ac4b283e2bd4d9720b30beaf"
+  integrity sha512-d5gdPmgQ0Z+AklL2NVXr/IoSjNZFfTVvQWzL/AM2AOcSzYP2xjlb0AC8YyCLc41MSNf6P6QVtjgPdmVtzb+4lQ==
+  dependencies:
+    bn.js "^5.2.0"
+
 run-async@^2.2.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/run-async/-/run-async-2.3.0.tgz#0371ab4ae0bdd720d4166d7dfda64ff7a445a6c0"
@@ -4630,11 +5660,6 @@ run-async@^2.2.0:
   dependencies:
     is-promise "^2.1.0"
 
-rustbn.js@~0.1.1:
-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/rustbn.js/-/rustbn.js-0.1.2.tgz#979fa0f9562216dd667c9d2cd179ae5d13830eff"
-  integrity sha512-bAkNqSHYdJdFsBC7Z11JgzYktL31HIpB2o70jZcGiL1U1TVtPyvaVhDrGWwS8uZtaqwW2k6NOPGZCqW/Dgh5Lg==
-
 rustbn.js@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/rustbn.js/-/rustbn.js-0.2.0.tgz#8082cb886e707155fd1cb6f23bd591ab8d55d0ca"
@@ -4657,6 +5682,11 @@ safe-buffer@5.1.2, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, s
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
+safe-buffer@^5.2.0, safe-buffer@~5.2.0:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
 safe-event-emitter@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/safe-event-emitter/-/safe-event-emitter-1.0.1.tgz#5b692ef22329ed8f69fdce607e50ca734f6f20af"
@@ -4679,6 +5709,11 @@ scrypt-js@2.0.4:
   resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-2.0.4.tgz#32f8c5149f0797672e551c07e230f834b6af5f16"
   integrity sha512-4KsaGcPnuhtCZQCxFxN3GVYIhKFPTdLd8PLC552XwbMndtD0cjRFAhDuuydXQ0h08ZfPgzqe6EKHozpuH74iDw==
 
+scrypt-js@3.0.1, scrypt-js@^3.0.0, scrypt-js@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-3.0.1.tgz#d314a57c2aef69d1ad98a138a21fe9eafa9ee312"
+  integrity sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA==
+
 scrypt.js@0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/scrypt.js/-/scrypt.js-0.2.0.tgz#af8d1465b71e9990110bedfc593b9479e03a8ada"
@@ -4687,15 +5722,6 @@ scrypt.js@0.2.0:
     scrypt "^6.0.2"
     scryptsy "^1.2.1"
 
-scrypt.js@^0.3.0:
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/scrypt.js/-/scrypt.js-0.3.0.tgz#6c62d61728ad533c8c376a2e5e3e86d41a95c4c0"
-  integrity sha512-42LTc1nyFsyv/o0gcHtDztrn+aqpkaCNt5Qh7ATBZfhEZU7IC/0oT/qbBH+uRNoAPvs2fwiOId68FDEoSRA8/A==
-  dependencies:
-    scryptsy "^1.2.1"
-  optionalDependencies:
-    scrypt "^6.0.2"
-
 scrypt@^6.0.2:
   version "6.0.3"
   resolved "https://registry.yarnpkg.com/scrypt/-/scrypt-6.0.3.tgz#04e014a5682b53fa50c2d5cce167d719c06d870d"
@@ -4724,6 +5750,15 @@ secp256k1@^3.0.1:
     nan "^2.2.1"
     safe-buffer "^5.1.0"
 
+secp256k1@^4.0.1:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/secp256k1/-/secp256k1-4.0.3.tgz#c4559ecd1b8d3c1827ed2d1b94190d69ce267303"
+  integrity sha512-NLZVf+ROMxwtEj3Xa562qgv2BK5e2WNmXPiOdVIPLgs6lyTzMvBq0aWTYMI5XCP9jZMVKOcqZLw/Wc4vDkuxhA==
+  dependencies:
+    elliptic "^6.5.4"
+    node-addon-api "^2.0.0"
+    node-gyp-build "^4.2.0"
+
 seek-bzip@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/seek-bzip/-/seek-bzip-1.0.5.tgz#cfe917cb3d274bcffac792758af53173eb1fabdc"
@@ -4741,11 +5776,23 @@ semaphore@>=1.0.1, semaphore@^1.0.3:
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.6.0.tgz#7e74256fbaa49c75aa7c7a205cc22799cac80004"
   integrity sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg==
 
+semver@7.3.7:
+  version "7.3.7"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.3.7.tgz#12c5b649afdbf9049707796e22a4028814ce523f"
+  integrity sha512-QlYTucUYOews+WeEujDoEGziz4K6c47V/Bd+LjSSYcA94p+DmINdf7ncaUinThfvZyu13lN9OY1XDxt8C0Tw0g==
+  dependencies:
+    lru-cache "^6.0.0"
+
 semver@^5.5.0:
   version "5.7.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.0.tgz#790a7cf6fea5459bac96110b29b60412dc8ff96b"
   integrity sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==
 
+semver@^6.1.1, semver@^6.1.2, semver@^6.3.0:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
+  integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
+
 semver@~5.4.1:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
@@ -4770,6 +5817,14 @@ send@0.16.2:
     range-parser "~1.2.0"
     statuses "~1.4.0"
 
+sentence-case@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/sentence-case/-/sentence-case-2.1.1.tgz#1f6e2dda39c168bf92d13f86d4a918933f667ed4"
+  integrity sha512-ENl7cYHaK/Ktwk5OTD+aDbQ3uC8IByu/6Bkg+HDv8Mm+XnBnppVNalcfJTNsp1ibstKh030/JKQQWglDvtKwEQ==
+  dependencies:
+    no-case "^2.2.0"
+    upper-case-first "^1.1.2"
+
 serve-static@1.13.2:
   version "1.13.2"
   resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.13.2.tgz#095e8472fd5b46237db50ce486a43f4b86c6cec1"
@@ -4831,6 +5886,13 @@ sha3@^1.1.0:
   dependencies:
     nan "2.10.0"
 
+sha3@^2.1.1:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/sha3/-/sha3-2.1.4.tgz#000fac0fe7c2feac1f48a25e7a31b52a6492cc8f"
+  integrity sha512-S8cNxbyb0UGUM2VhRD4Poe5N58gJnJsLJ5vC7FYWGUmGhcsj4++WaIOBFVDxlG0W3To6xBuiRh+i0Qp2oNCOtg==
+  dependencies:
+    buffer "6.0.3"
+
 shebang-command@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
@@ -4862,11 +5924,6 @@ simple-get@^2.7.0:
     once "^1.3.1"
     simple-concat "^1.0.0"
 
-slash@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
-  integrity sha1-xB8vbDn8FtHNF61LXYlhFK5HDVU=
-
 slice-ansi@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-2.1.0.tgz#cacd7693461a637a5788d92a7dd4fba068e81636"
@@ -4876,6 +5933,13 @@ slice-ansi@^2.1.0:
     astral-regex "^1.0.0"
     is-fullwidth-code-point "^2.0.0"
 
+snake-case@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/snake-case/-/snake-case-2.1.0.tgz#41bdb1b73f30ec66a04d4e2cad1b76387d4d6d9f"
+  integrity sha512-FMR5YoPFwOLuh4rRz92dywJjyKYZNLpMn1R5ujVpIYkbA9p01fq8RMg0FkO4M+Yobt4MjHeLTJVm5xFFBHSV2Q==
+  dependencies:
+    no-case "^2.2.0"
+
 solc@0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/solc/-/solc-0.5.0.tgz#2deb2ae992acac3afb909f85c38d00f01dcb335e"
@@ -4888,10 +5952,10 @@ solc@0.5.0:
     semver "^5.5.0"
     yargs "^11.0.0"
 
-solc@^0.4.2:
-  version "0.4.25"
-  resolved "https://registry.yarnpkg.com/solc/-/solc-0.4.25.tgz#06b8321f7112d95b4b903639b1138a4d292f5faa"
-  integrity sha512-jU1YygRVy6zatgXrLY2rRm7HW1d7a8CkkEgNJwvH2VLpWhMFsMdWcJn6kUqZwcSz/Vm+w89dy7Z/aB5p6AFTrg==
+solc@^0.4.20:
+  version "0.4.26"
+  resolved "https://registry.yarnpkg.com/solc/-/solc-0.4.26.tgz#5390a62a99f40806b86258c737c1cf653cc35cb5"
+  integrity sha512-o+c6FpkiHd+HPjmjEVpQgH7fqZ14tJpXhho+/bQXlXbliLIS/xjXb42Vxh+qQY1WCSTMQ0+a5vR9vi0MfhU6mA==
   dependencies:
     fs-extra "^0.30.0"
     memorystream "^0.3.1"
@@ -4930,18 +5994,6 @@ source-map-support@0.5.9:
     buffer-from "^1.0.0"
     source-map "^0.6.0"
 
-source-map-support@^0.4.15:
-  version "0.4.18"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.18.tgz#0286a6de8be42641338594e97ccea75f0a2c585f"
-  integrity sha512-try0/JqxPLF9nOjvSta7tVondkP5dwgyLDjVoyMDlmjugT2lRZ1OfsrYTkCd2hkDnJTKRbO/Rl3orm8vlsUzbA==
-  dependencies:
-    source-map "^0.5.6"
-
-source-map@^0.5.6, source-map@^0.5.7:
-  version "0.5.7"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
-  integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
-
 source-map@^0.6.0:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
@@ -5039,14 +6091,12 @@ string-width@^3.0.0:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^5.1.0"
 
-string.prototype.trim@~1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/string.prototype.trim/-/string.prototype.trim-1.1.2.tgz#d04de2c89e137f4d7d206f086b5ed2fae6be8cea"
-  integrity sha1-0E3iyJ4Tf019IG8Ia17S+ua+jOo=
+string_decoder@^1.1.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.3.0.tgz#42f114594a46cf1a8e30b0a84f56c78c3edac21e"
+  integrity sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==
   dependencies:
-    define-properties "^1.1.2"
-    es-abstract "^1.5.0"
-    function-bind "^1.0.2"
+    safe-buffer "~5.2.0"
 
 string_decoder@~0.10.x:
   version "0.10.31"
@@ -5107,6 +6157,11 @@ strip-hex-prefix@1.0.0:
   dependencies:
     is-hex-prefixed "1.0.0"
 
+strip-indent@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-2.0.0.tgz#5ef8db295d01e6ed6cbf7aab96998d7822527b68"
+  integrity sha512-RsSNPLpq6YUL7QYy44RnPVTn/lcVZtb48Uof3X5JLbF4zD/Gs7ZFDv2HWol+leoQN2mT86LAzSshGfkTlSOpsA==
+
 strip-json-comments@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
@@ -5119,11 +6174,6 @@ supports-color@4.4.0:
   dependencies:
     has-flag "^2.0.0"
 
-supports-color@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
-  integrity sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=
-
 supports-color@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.5.0.tgz#be7a0de484dec5c5cddf8b3d59125044912f635b"
@@ -5138,6 +6188,19 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
+supports-preserve-symlinks-flag@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz#6eda4bd344a3c94aea376d4cc31bc77311039e09"
+  integrity sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w==
+
+swap-case@^1.1.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/swap-case/-/swap-case-1.1.2.tgz#c39203a4587385fad3c850a0bd1bcafa081974e3"
+  integrity sha512-BAmWG6/bx8syfc6qXPprof3Mn5vQgf5dwdUNJhsNqU9WdPt5P+ES/wQ5bxfijy8zwZgZZHslC3iAsxsuQMCzJQ==
+  dependencies:
+    lower-case "^1.1.1"
+    upper-case "^1.1.1"
+
 swarm-js@0.1.37:
   version "0.1.37"
   resolved "https://registry.yarnpkg.com/swarm-js/-/swarm-js-0.1.37.tgz#27d485317a340bbeec40292af783cc10acfa4663"
@@ -5175,6 +6238,23 @@ swarm-js@^0.1.39:
     tar "^4.0.2"
     xhr-request-promise "^0.1.2"
 
+swarm-js@^0.1.40:
+  version "0.1.42"
+  resolved "https://registry.yarnpkg.com/swarm-js/-/swarm-js-0.1.42.tgz#497995c62df6696f6e22372f457120e43e727979"
+  integrity sha512-BV7c/dVlA3R6ya1lMlSSNPLYrntt0LUq4YMgy3iwpCIc6rZnS5W2wUoctarZ5pXlpKtxDDf9hNziEkcfrxdhqQ==
+  dependencies:
+    bluebird "^3.5.0"
+    buffer "^5.0.5"
+    eth-lib "^0.1.26"
+    fs-extra "^4.0.2"
+    got "^11.8.5"
+    mime-types "^2.1.16"
+    mkdirp-promise "^5.0.1"
+    mock-fs "^4.1.0"
+    setimmediate "^1.0.5"
+    tar "^4.0.2"
+    xhr-request "^1.0.1"
+
 table@^5.2.3:
   version "5.2.3"
   resolved "https://registry.yarnpkg.com/table/-/table-5.2.3.tgz#cde0cc6eb06751c009efab27e8c820ca5b67b7f2"
@@ -5185,25 +6265,6 @@ table@^5.2.3:
     slice-ansi "^2.1.0"
     string-width "^3.0.0"
 
-tape@^4.4.0, tape@^4.6.3, tape@^4.8.0:
-  version "4.10.1"
-  resolved "https://registry.yarnpkg.com/tape/-/tape-4.10.1.tgz#f73be60888dcb120f08b57f947af65a829506a5f"
-  integrity sha512-G0DywYV1jQeY3axeYnXUOt6ktnxS9OPJh97FGR3nrua8lhWi1zPflLxcAHavZ7Jf3qUfY7cxcVIVFa4mY2IY1w==
-  dependencies:
-    deep-equal "~1.0.1"
-    defined "~1.0.0"
-    for-each "~0.3.3"
-    function-bind "~1.1.1"
-    glob "~7.1.3"
-    has "~1.0.3"
-    inherits "~2.0.3"
-    minimist "~1.2.0"
-    object-inspect "~1.6.0"
-    resolve "~1.10.0"
-    resumer "~0.0.0"
-    string.prototype.trim "~1.1.2"
-    through "~2.3.8"
-
 tar-stream@^1.5.2:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-1.6.2.tgz#8ea55dab37972253d9a9af90fdcd559ae435c555"
@@ -5250,6 +6311,11 @@ tar@^4.0.2:
     safe-buffer "^5.1.2"
     yallist "^3.0.2"
 
+testrpc@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/testrpc/-/testrpc-0.0.1.tgz#83e2195b1f5873aec7be1af8cbe6dcf39edb7aed"
+  integrity sha512-afH1hO+SQ/VPlmaLUFj2636QMeDvPCeQMc/9RBMW0IfjNe9gFD9Ra3ShqYkB7py0do1ZcCna/9acHyzTJ+GcNA==
+
 text-table@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
@@ -5269,15 +6335,7 @@ thenify-all@^1.0.0, thenify-all@^1.6.0:
   dependencies:
     any-promise "^1.0.0"
 
-through2@^2.0.3:
-  version "2.0.5"
-  resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.5.tgz#01c1e39eb31d07cb7d03a96a70823260b23132cd"
-  integrity sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==
-  dependencies:
-    readable-stream "~2.3.6"
-    xtend "~4.0.1"
-
-through@^2.3.6, through@~2.3.4, through@~2.3.8:
+through@^2.3.6:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
   integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
@@ -5287,6 +6345,14 @@ timed-out@^4.0.0, timed-out@^4.0.1:
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
   integrity sha1-8y6srFoXW+ol1/q1Zas+2HQe9W8=
 
+title-case@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/title-case/-/title-case-2.1.1.tgz#3e127216da58d2bc5becf137ab91dae3a7cd8faa"
+  integrity sha512-EkJoZ2O3zdCz3zJsYCsxyq2OC5hrxR9mfdd5I+w8h/tmFfeOxJ+vvkxsKxdmN0WtS9zLdHEgfgVOiMVgv+Po4Q==
+  dependencies:
+    no-case "^2.2.0"
+    upper-case "^1.0.3"
+
 tmp@^0.0.33:
   version "0.0.33"
   resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.33.tgz#6d34335889768d21b2bcda0aa277ced3b1bfadf9"
@@ -5299,10 +6365,10 @@ to-buffer@^1.1.1:
   resolved "https://registry.yarnpkg.com/to-buffer/-/to-buffer-1.1.1.tgz#493bd48f62d7c43fcded313a03dcadb2e1213a80"
   integrity sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg==
 
-to-fast-properties@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
-  integrity sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=
+to-fast-properties@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-2.0.0.tgz#dc5e698cbd079265bc73e0377681a4e4e83f616e"
+  integrity sha512-/OaKK0xYrs3DmxRYqL/yDc+FxFUVYhDlXMhRmv3z915w2HF1tnN1omB354j8VUGO/hbRzyD6Y3sA7v7GS/ceog==
 
 topo@3.x.x:
   version "3.0.3"
@@ -5319,61 +6385,21 @@ tough-cookie@~2.4.3:
     psl "^1.1.24"
     punycode "^1.4.1"
 
+tr46@~0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
+  integrity sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==
+
 tree-kill@^1.1.0:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.2.1.tgz#5398f374e2f292b9dcc7b2e71e30a5c3bb6c743a"
   integrity sha512-4hjqbObwlh2dLyW4tcz0Ymw0ggoaVDMveUB9w8kFSQScdRLo0gxO9J7WFcUBo+W3C1TLdFIEwNOWebgZZ0RH9Q==
 
-treeify@^1.0.1:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/treeify/-/treeify-1.1.0.tgz#4e31c6a463accd0943879f30667c4fdaff411bb8"
-  integrity sha512-1m4RA7xVAJrSGrrXGs0L3YTwyvBs2S8PbRHaLZAkFw7JR8oIFwYtysxlBZhYIa7xSyiYJKZ3iGrrk55cGA3i9A==
-
-trim-right@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
-  integrity sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=
-
 trim@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/trim/-/trim-0.0.1.tgz#5858547f6b290757ee95cccc666fb50084c460dd"
   integrity sha1-WFhUf2spB1fulczMZm+1AITEYN0=
 
-truffle-blockchain-utils@^0.0.8:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/truffle-blockchain-utils/-/truffle-blockchain-utils-0.0.8.tgz#09995c36016a54092b337f237c3dc1a3dca12341"
-  integrity sha512-4dbgqd4GrloKNLiaXACiymE3R2PsNFOlbgOh/CGkQVLArtcbgBAl7Fg2l5yVfDV8dtOFWHddj/2UkY25KY1+Dw==
-
-truffle-contract-schema@^3.0.6:
-  version "3.0.6"
-  resolved "https://registry.yarnpkg.com/truffle-contract-schema/-/truffle-contract-schema-3.0.6.tgz#d28c43ccbc15524a2be81326ccb8c036332f7371"
-  integrity sha512-oAMPr/ecr06ViJMSatfp1VpbDNul0Q1dSrFkWSF4/6WWK4orhNL90A8uhtEt61doLz5n0Yjf59KWE0p7qToPXw==
-  dependencies:
-    ajv "^5.1.1"
-    crypto-js "^3.1.9-1"
-    debug "^4.1.0"
-
-truffle-contract@^4.0.8:
-  version "4.0.11"
-  resolved "https://registry.yarnpkg.com/truffle-contract/-/truffle-contract-4.0.11.tgz#587d0e032c33ad320b7e12f1093eb789c62a8275"
-  integrity sha512-lzKFdLngTSt7MQMOvsUhOEPUjagSbGVkhQm7rSant4Y/VSWIppL3GXqpTOzdcOJMHgL9iYlMEm42+pHXq6DZxg==
-  dependencies:
-    bignumber.js "^7.2.1"
-    ethers "^4.0.0-beta.1"
-    truffle-blockchain-utils "^0.0.8"
-    truffle-contract-schema "^3.0.6"
-    truffle-error "^0.0.4"
-    truffle-interface-adapter "^0.1.2"
-    web3 "1.0.0-beta.37"
-    web3-core-promievent "1.0.0-beta.37"
-    web3-eth-abi "1.0.0-beta.37"
-    web3-utils "1.0.0-beta.37"
-
-truffle-error@^0.0.4:
-  version "0.0.4"
-  resolved "https://registry.yarnpkg.com/truffle-error/-/truffle-error-0.0.4.tgz#c3ff027570c26ae1f20db78637902497857f898f"
-  integrity sha512-hER0TNR4alBIhUp7SNrZRRiZtM/MBx+xBdM9qXP0tC3YASFmhNAxPuOyB8JDHFRNbDx12K7nvaqmyYGsI5c8BQ==
-
 truffle-flattener@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/truffle-flattener/-/truffle-flattener-1.3.0.tgz#a5b0340897e32cf8389fea105b52fa93c335f04c"
@@ -5394,21 +6420,13 @@ truffle-hdwallet-provider@^1.0.6:
     bindings "^1.3.1"
     websocket "^1.0.28"
 
-truffle-interface-adapter@^0.1.2:
-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/truffle-interface-adapter/-/truffle-interface-adapter-0.1.2.tgz#b544e726a3a0833911ce6dadb1197cef53ad801b"
-  integrity sha512-1+pZprFU94mN8ydy4wVI2reW4iELDmsUADpa2ti++HwsX/T02yHK5+GxK3wQ9lXglRiI/B694fKFbHcv3t+Vxg==
-  dependencies:
-    bn.js "^4.11.8"
-    web3 "1.0.0-beta.37"
-
-truffle-privatekey-provider@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/truffle-privatekey-provider/-/truffle-privatekey-provider-1.1.0.tgz#92faaa2679df90d14e3c541c2d94555da34d2902"
-  integrity sha512-zaCBkdarpMbUFhWkLJtyVb210IZ+zqpVQ9F72DS7J9G68CEtmanL7SgJvcvgB41DEJ1EeApu5JpLpu8eHA2NHw==
+truffle-privatekey-provider@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/truffle-privatekey-provider/-/truffle-privatekey-provider-1.5.0.tgz#a4ba8e63ea44d8da7f8a92b6633e0b38a85a5fa1"
+  integrity sha512-Ir0WVXiJsg0M7U6qttPzDB57qEqprpwmBINHAHXOt4AmI1YO0I+LoMHO96rCdoG3N4ZwNc5NWgHw5qDz8qxy9A==
   dependencies:
-    ethereumjs-wallet "^0.6.0"
-    web3-provider-engine "^14.1.0"
+    ethereumjs-wallet "^1.0.0"
+    web3-provider-engine "^15.0.12"
 
 truffle@^5.0.12:
   version "5.0.12"
@@ -5425,6 +6443,11 @@ tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
   integrity sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==
 
+tslib@^2.0.0:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.1.tgz#0d0bfbaac2880b91e22df0768e55be9753a5b17e"
+  integrity sha512-tGyy4dAjRIEwI7BzsB0lynWgOpfqjUdq91XXAlIWD2OwKBH7oCl/GZG/HT4BOHrTlPMOASlMQ7veyTqpmRcrNA==
+
 tsort@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/tsort/-/tsort-0.0.1.tgz#e2280f5e817f8bf4275657fd0f9aebd44f5a2786"
@@ -5462,6 +6485,16 @@ type-is@~1.6.16:
     media-typer "0.3.0"
     mime-types "~2.1.18"
 
+type@^1.0.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/type/-/type-1.2.0.tgz#848dd7698dafa3e54a6c479e759c4bc3f18847a0"
+  integrity sha512-+5nt5AAniqsCnu2cEQQdpzCAh33kVx8n0VoFidKpB1dVVLAN/F+bgVOqOJqOnEnrhp222clB5p3vUlD+1QAnfg==
+
+type@^2.7.2:
+  version "2.7.2"
+  resolved "https://registry.yarnpkg.com/type/-/type-2.7.2.tgz#2376a15a3a28b1efa0f5350dcf72d24df6ef98d0"
+  integrity sha512-dzlvlNlt6AXU7EBSfpAscydQ7gXB+pPGsPnfJnZpiNJBDj7IaJzQlBZYGdEi4R9HmPdBv2XmWJ6YUtoTa7lmCw==
+
 typedarray-to-buffer@^3.1.2, typedarray-to-buffer@^3.1.5:
   version "3.1.5"
   resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz#a97ee7a9ff42691b9f783ff1bc5112fe3fca9080"
@@ -5469,11 +6502,6 @@ typedarray-to-buffer@^3.1.2, typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-typedarray@^0.0.6:
-  version "0.0.6"
-  resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
-  integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
-
 ultron@~1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ultron/-/ultron-1.1.1.tgz#9fe1536a10a664a65266a1e3ccf85fd36302bc9c"
@@ -5502,6 +6530,26 @@ unpipe@1.0.0, unpipe@~1.0.0:
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
   integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
 
+update-browserslist-db@^1.0.9:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/update-browserslist-db/-/update-browserslist-db-1.0.10.tgz#0f54b876545726f17d00cd9a2561e6dade943ff3"
+  integrity sha512-OztqDenkfFkbSG+tRxBeAnCVPckDBcvibKd35yDONx6OU8N7sqgwc7rCbkJ/WcYtVRZ4ba68d6byhC21GFh7sQ==
+  dependencies:
+    escalade "^3.1.1"
+    picocolors "^1.0.0"
+
+upper-case-first@^1.1.0, upper-case-first@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/upper-case-first/-/upper-case-first-1.1.2.tgz#5d79bedcff14419518fd2edb0a0507c9b6859115"
+  integrity sha512-wINKYvI3Db8dtjikdAqoBbZoP6Q+PZUyfMR7pmwHzjC2quzSkUq5DmPrTtPEqHaz8AGtmsB4TqwapMTM1QAQOQ==
+  dependencies:
+    upper-case "^1.1.1"
+
+upper-case@^1.0.3, upper-case@^1.1.0, upper-case@^1.1.1, upper-case@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/upper-case/-/upper-case-1.1.3.tgz#f6b4501c2ec4cdd26ba78be7222961de77621598"
+  integrity sha512-WRbjgmYzgXkCV7zNVpy5YgrHgbBv126rMALQQMrmzOVC4GM2waQ9x7xtm8VU+1yF2kWyPzI9zbZ48n4vSxwfSA==
+
 uri-js@^4.2.2:
   version "4.2.2"
   resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.2.2.tgz#94c540e1ff772956e2299507c010aea6c8838eb0"
@@ -5534,20 +6582,38 @@ url-to-options@^1.0.1:
   resolved "https://registry.yarnpkg.com/url-to-options/-/url-to-options-1.0.1.tgz#1505a03a289a48cbd7a434efbaeec5055f5633a9"
   integrity sha1-FQWgOiiaSMvXpDTvuu7FBV9WM6k=
 
+utf-8-validate@^5.0.2:
+  version "5.0.10"
+  resolved "https://registry.yarnpkg.com/utf-8-validate/-/utf-8-validate-5.0.10.tgz#d7d10ea39318171ca982718b6b96a8d2442571a2"
+  integrity sha512-Z6czzLq4u8fPOyx7TU6X3dvUZVvoJmxSQ+IcrlmagKhilxlhZgxPK6C5Jqbkw1IDUmFTM+cz9QDnnLTwDz/2gQ==
+  dependencies:
+    node-gyp-build "^4.3.0"
+
 utf8@2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/utf8/-/utf8-2.1.1.tgz#2e01db02f7d8d0944f77104f1609eb0c304cf768"
   integrity sha1-LgHbAvfY0JRPdxBPFgnrDDBM92g=
 
-utf8@^3.0.0:
+utf8@3.0.0, utf8@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/utf8/-/utf8-3.0.0.tgz#f052eed1364d696e769ef058b183df88c87f69d1"
   integrity sha512-E8VjFIQ/TyQgp+TZfS6l8yp/xWppSAHzidGiRrqe4bK4XP9pTRyKFgGJpO3SN7zdX4DeomTrwaseCHovfpFcqQ==
 
-util-deprecate@~1.0.1:
+util-deprecate@^1.0.1, util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
-  integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
+  integrity sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==
+
+util@^0.12.0:
+  version "0.12.5"
+  resolved "https://registry.yarnpkg.com/util/-/util-0.12.5.tgz#5f17a6059b73db61a875668781a1c2b136bd6fbc"
+  integrity sha512-kZf/K6hEIrWHI6XqOFUiiMa+79wE/D8Q+NCNAWclkyg3b4d2k7s0QGepNjiABc+aR3N1PAyHL7p6UcLY6LmrnA==
+  dependencies:
+    inherits "^2.0.3"
+    is-arguments "^1.0.4"
+    is-generator-function "^1.0.7"
+    is-typed-array "^1.1.3"
+    which-typed-array "^1.1.2"
 
 utils-merge@1.0.1:
   version "1.0.1"
@@ -5564,6 +6630,16 @@ uuid@3.3.2, uuid@^3.3.2:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
   integrity sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==
 
+uuid@^8.3.2:
+  version "8.3.2"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-8.3.2.tgz#80d5b5ced271bb9af6c445f21a1a04c606cefbe2"
+  integrity sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==
+
+uuid@^9.0.0:
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-9.0.0.tgz#592f550650024a38ceb0c562f2f6aa435761efb5"
+  integrity sha512-MXcSTerfPa4uqyzStbRoTgt5XIe3x5+42+q1sDuy3R5MDk66URdLMOZe5aPX/SQd+kuYAh0FdP/pO28IkQyTeg==
+
 validate-npm-package-license@^3.0.1:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz#fc91f6b9c7ba15c857f4cb2c5defeec39d4f410a"
@@ -5572,6 +6648,11 @@ validate-npm-package-license@^3.0.1:
     spdx-correct "^3.0.0"
     spdx-expression-parse "^3.0.0"
 
+varint@^5.0.0:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/varint/-/varint-5.0.2.tgz#5b47f8a947eb668b848e034dcfa87d0ff8a7f7a4"
+  integrity sha512-lKxKYG6H03yCZUpAGOPOsMcGxd1RHCu1iKvEHYDPmTyq2HueGhD73ssNBqqQWfvYs04G9iUFRvmAVLW20Jw6ow==
+
 vary@^1, vary@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
@@ -5616,6 +6697,15 @@ web3-bzz@1.0.0-beta.52:
     lodash "^4.17.11"
     swarm-js "^0.1.39"
 
+web3-bzz@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.8.1.tgz#81397be5ce262d03d82b92e9d8acc11f8a609ea1"
+  integrity sha512-dJJHS84nvpoxv6ijTMkdUSlRr5beCXNtx4UZcrFLHBva8dT63QEtKdLyDt2AyMJJdVzTCk78uir/6XtVWrdS6w==
+  dependencies:
+    "@types/node" "^12.12.6"
+    got "12.1.0"
+    swarm-js "^0.1.40"
+
 web3-core-helpers@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.0.0-beta.37.tgz#04ec354b7f5c57234c309eea2bda9bf1f2fe68ba"
@@ -5635,6 +6725,14 @@ web3-core-helpers@1.0.0-beta.52:
     web3-eth-iban "1.0.0-beta.52"
     web3-utils "1.0.0-beta.52"
 
+web3-core-helpers@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.8.1.tgz#7904747b23fd0afa4f2c86ed98ea9418ccad7672"
+  integrity sha512-ClzNO6T1S1gifC+BThw0+GTfcsjLEY8T1qUp6Ly2+w4PntAdNtKahxWKApWJ0l9idqot/fFIDXwO3Euu7I0Xqw==
+  dependencies:
+    web3-eth-iban "1.8.1"
+    web3-utils "1.8.1"
+
 web3-core-method@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.0.0-beta.37.tgz#53d148e63f818b23461b26307afdfbdaa9457744"
@@ -5655,6 +6753,17 @@ web3-core-method@1.0.0-beta.52:
     eventemitter3 "3.1.0"
     lodash "^4.17.11"
 
+web3-core-method@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.8.1.tgz#0fc5a433a9fc784c447522f141c0a8e0163c7790"
+  integrity sha512-oYGRodktfs86NrnFwaWTbv2S38JnpPslFwSSARwFv4W9cjbGUW3LDeA5MKD/dRY+ssZ5OaekeMsUCLoGhX68yA==
+  dependencies:
+    "@ethersproject/transactions" "^5.6.2"
+    web3-core-helpers "1.8.1"
+    web3-core-promievent "1.8.1"
+    web3-core-subscriptions "1.8.1"
+    web3-utils "1.8.1"
+
 web3-core-promievent@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.0.0-beta.37.tgz#4e51c469d0a7ac0a969885a4dbcde8504abe5b02"
@@ -5663,6 +6772,13 @@ web3-core-promievent@1.0.0-beta.37:
     any-promise "1.3.0"
     eventemitter3 "1.1.1"
 
+web3-core-promievent@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.8.1.tgz#f334c8b2ceac6c2228f06d2a515f6d103157f036"
+  integrity sha512-9mxqHlgB0MrZI4oUIRFkuoJMNj3E7btjrMv3sMer/Z9rYR1PfoSc1aAokw4rxKIcAh+ylVtd/acaB2HKB7aRPg==
+  dependencies:
+    eventemitter3 "4.0.4"
+
 web3-core-requestmanager@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.0.0-beta.37.tgz#721a75df5920621bff42d9d74f7a64413675d56b"
@@ -5674,6 +6790,17 @@ web3-core-requestmanager@1.0.0-beta.37:
     web3-providers-ipc "1.0.0-beta.37"
     web3-providers-ws "1.0.0-beta.37"
 
+web3-core-requestmanager@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.8.1.tgz#272ffa55b7b568ecbc8e4a257ca080355c31c60e"
+  integrity sha512-x+VC2YPPwZ1khvqA6TA69LvfFCOZXsoUVOxmTx/vIN22PrY9KzKhxcE7pBSiGhmab1jtmRYXUbcQSVpAXqL8cw==
+  dependencies:
+    util "^0.12.0"
+    web3-core-helpers "1.8.1"
+    web3-providers-http "1.8.1"
+    web3-providers-ipc "1.8.1"
+    web3-providers-ws "1.8.1"
+
 web3-core-subscriptions@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.37.tgz#40de5e2490cc05b15faa8f935c97fd48d670cd9a"
@@ -5692,6 +6819,14 @@ web3-core-subscriptions@1.0.0-beta.52:
     eventemitter3 "^3.1.0"
     lodash "^4.17.11"
 
+web3-core-subscriptions@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.8.1.tgz#f5ae1380e92746eadfab6475b8a70ef5a1be6bbf"
+  integrity sha512-bmCMq5OeA3E2vZUh8Js1HcJbhwtsE+yeMqGC4oIZB3XsL5SLqyKLB/pU+qUYqQ9o4GdcrFTDPhPg1bgvf7p1Pw==
+  dependencies:
+    eventemitter3 "4.0.4"
+    web3-core-helpers "1.8.1"
+
 web3-core@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.0.0-beta.37.tgz#66c2c7000772c9db36d737ada31607ace09b7e90"
@@ -5713,6 +6848,19 @@ web3-core@1.0.0-beta.52:
     lodash "^4.17.11"
     web3-utils "1.0.0-beta.52"
 
+web3-core@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.8.1.tgz#050b1c408d1f9b7ae539e90f7f7d1b7a7d10578b"
+  integrity sha512-LbRZlJH2N6nS3n3Eo9Y++25IvzMY7WvYnp4NM/Ajhh97dAdglYs6rToQ2DbL2RLvTYmTew4O/y9WmOk4nq9COw==
+  dependencies:
+    "@types/bn.js" "^5.1.0"
+    "@types/node" "^12.12.6"
+    bignumber.js "^9.0.0"
+    web3-core-helpers "1.8.1"
+    web3-core-method "1.8.1"
+    web3-core-requestmanager "1.8.1"
+    web3-utils "1.8.1"
+
 web3-eth-abi@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.0.0-beta.37.tgz#55592fa9cd2427d9f0441d78f3b8d0c1359a2a24"
@@ -5732,6 +6880,14 @@ web3-eth-abi@1.0.0-beta.52:
     lodash "^4.17.11"
     web3-utils "1.0.0-beta.52"
 
+web3-eth-abi@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.8.1.tgz#47455d6513217c4b0866fea6f97b1c4afa0b6535"
+  integrity sha512-0mZvCRTIG0UhDhJwNQJgJxu4b4DyIpuMA0GTfqxqeuqzX4Q/ZvmoNurw0ExTfXaGPP82UUmmdkRi6FdZOx+C6w==
+  dependencies:
+    "@ethersproject/abi" "^5.6.3"
+    web3-utils "1.8.1"
+
 web3-eth-accounts@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.0.0-beta.37.tgz#0a5a9f14a6c3bd285e001c15eb3bb38ffa4b5204"
@@ -5765,6 +6921,23 @@ web3-eth-accounts@1.0.0-beta.52:
     web3-providers "1.0.0-beta.52"
     web3-utils "1.0.0-beta.52"
 
+web3-eth-accounts@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.8.1.tgz#1ce7387721f118aeb0376291e4d8bbe2ac323406"
+  integrity sha512-mgzxSYgN54/NsOFBO1Fq1KkXp1S5KlBvI/DlgvajU72rupoFMq6Cu6Yp9GUaZ/w2ij9PzEJuFJk174XwtfMCmg==
+  dependencies:
+    "@ethereumjs/common" "2.5.0"
+    "@ethereumjs/tx" "3.3.2"
+    crypto-browserify "3.12.0"
+    eth-lib "0.2.8"
+    ethereumjs-util "^7.0.10"
+    scrypt-js "^3.0.1"
+    uuid "^9.0.0"
+    web3-core "1.8.1"
+    web3-core-helpers "1.8.1"
+    web3-core-method "1.8.1"
+    web3-utils "1.8.1"
+
 web3-eth-contract@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.0.0-beta.37.tgz#87f93c95ed16f320ba54943b7886890de6766013"
@@ -5796,6 +6969,20 @@ web3-eth-contract@1.0.0-beta.52:
     web3-providers "1.0.0-beta.52"
     web3-utils "1.0.0-beta.52"
 
+web3-eth-contract@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.8.1.tgz#bdf3e33bbcb79a1b6144dffd6a0deefd2e459272"
+  integrity sha512-1wphnl+/xwCE2io44JKnN+ti3oa47BKRiVzvWd42icwRbcpFfRxH9QH+aQX3u8VZIISNH7dAkTWpGIIJgGFTmg==
+  dependencies:
+    "@types/bn.js" "^5.1.0"
+    web3-core "1.8.1"
+    web3-core-helpers "1.8.1"
+    web3-core-method "1.8.1"
+    web3-core-promievent "1.8.1"
+    web3-core-subscriptions "1.8.1"
+    web3-eth-abi "1.8.1"
+    web3-utils "1.8.1"
+
 web3-eth-ens@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.0.0-beta.37.tgz#714ecb01eb447ee3eb39b2b20a10ae96edb1f01f"
@@ -5827,6 +7014,20 @@ web3-eth-ens@1.0.0-beta.52:
     web3-providers "1.0.0-beta.52"
     web3-utils "1.0.0-beta.52"
 
+web3-eth-ens@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.8.1.tgz#e78a9651fea8282abe8565b001819e2d645e5929"
+  integrity sha512-FT8xTI9uN8RxeBQa/W8pLa2aoFh4+EE34w7W2271LICKzla1dtLyb6XSdn48vsUcPmhWsTVk9mO9RTU0l4LGQQ==
+  dependencies:
+    content-hash "^2.5.2"
+    eth-ens-namehash "2.0.8"
+    web3-core "1.8.1"
+    web3-core-helpers "1.8.1"
+    web3-core-promievent "1.8.1"
+    web3-eth-abi "1.8.1"
+    web3-eth-contract "1.8.1"
+    web3-utils "1.8.1"
+
 web3-eth-iban@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.37.tgz#313a3f18ae2ab00ba98678ea1156b09ef32a3655"
@@ -5844,6 +7045,14 @@ web3-eth-iban@1.0.0-beta.52:
     bn.js "4.11.8"
     web3-utils "1.0.0-beta.52"
 
+web3-eth-iban@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.8.1.tgz#c6484e5d68ca644aa78431301e7acd5df24598d1"
+  integrity sha512-DomoQBfvIdtM08RyMGkMVBOH0vpOIxSSQ+jukWk/EkMLGMWJtXw/K2c2uHAeq3L/VPWNB7zXV2DUEGV/lNE2Dg==
+  dependencies:
+    bn.js "^5.2.1"
+    web3-utils "1.8.1"
+
 web3-eth-personal@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.0.0-beta.37.tgz#187472f51861e2b6d45da43411801bc91a859f9a"
@@ -5868,6 +7077,18 @@ web3-eth-personal@1.0.0-beta.52:
     web3-providers "1.0.0-beta.52"
     web3-utils "1.0.0-beta.52"
 
+web3-eth-personal@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.8.1.tgz#00b5ff1898b62044d25ed5fddd8486168d4827cf"
+  integrity sha512-myIYMvj7SDIoV9vE5BkVdon3pya1WinaXItugoii2VoTcQNPOtBxmYVH+XS5ErzCJlnxzphpQrkywyY64bbbCA==
+  dependencies:
+    "@types/node" "^12.12.6"
+    web3-core "1.8.1"
+    web3-core-helpers "1.8.1"
+    web3-core-method "1.8.1"
+    web3-net "1.8.1"
+    web3-utils "1.8.1"
+
 web3-eth@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.0.0-beta.37.tgz#0e8ffcd857a5f85ae4b5f052ad831ca5c56f4f74"
@@ -5909,6 +7130,24 @@ web3-eth@1.0.0-beta.52:
     web3-providers "1.0.0-beta.52"
     web3-utils "1.0.0-beta.52"
 
+web3-eth@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.8.1.tgz#395f6cd56edaac5dbb23e8cec9886c3fd32c430e"
+  integrity sha512-LgyzbhFqiFRd8M8sBXoFN4ztzOnkeckl3H/9lH5ek7AdoRMhBg7tYpYRP3E5qkhd/q+yiZmcUgy1AF6NHrC1wg==
+  dependencies:
+    web3-core "1.8.1"
+    web3-core-helpers "1.8.1"
+    web3-core-method "1.8.1"
+    web3-core-subscriptions "1.8.1"
+    web3-eth-abi "1.8.1"
+    web3-eth-accounts "1.8.1"
+    web3-eth-contract "1.8.1"
+    web3-eth-ens "1.8.1"
+    web3-eth-iban "1.8.1"
+    web3-eth-personal "1.8.1"
+    web3-net "1.8.1"
+    web3-utils "1.8.1"
+
 web3-net@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.0.0-beta.37.tgz#b494136043f3c6ba84fe4a47d4c028c2a63c9a8e"
@@ -5931,48 +7170,34 @@ web3-net@1.0.0-beta.52:
     web3-providers "1.0.0-beta.52"
     web3-utils "1.0.0-beta.52"
 
-web3-provider-engine@^13.3.2:
-  version "13.8.0"
-  resolved "https://registry.yarnpkg.com/web3-provider-engine/-/web3-provider-engine-13.8.0.tgz#4c7c1ad2af5f1fe10343b8a65495879a2f9c00df"
-  integrity sha512-fZXhX5VWwWpoFfrfocslyg6P7cN3YWPG/ASaevNfeO80R+nzgoPUBXcWQekSGSsNDkeRTis4aMmpmofYf1TNtQ==
+web3-net@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.8.1.tgz#2bed4d4b93166724129ec33d0e5dea98880285f4"
+  integrity sha512-LyEJAwogdFo0UAXZqoSJGFjopdt+kLw0P00FSZn2yszbgcoI7EwC+nXiOsEe12xz4LqpYLOtbR7+gxgiTVjjHQ==
   dependencies:
-    async "^2.5.0"
-    clone "^2.0.0"
-    eth-block-tracker "^2.2.2"
-    eth-sig-util "^1.4.2"
-    ethereumjs-block "^1.2.2"
-    ethereumjs-tx "^1.2.0"
-    ethereumjs-util "^5.1.1"
-    ethereumjs-vm "^2.0.2"
-    fetch-ponyfill "^4.0.0"
-    json-rpc-error "^2.0.0"
-    json-stable-stringify "^1.0.1"
-    promise-to-callback "^1.0.0"
-    readable-stream "^2.2.9"
-    request "^2.67.0"
-    semaphore "^1.0.3"
-    solc "^0.4.2"
-    tape "^4.4.0"
-    xhr "^2.2.0"
-    xtend "^4.0.1"
+    web3-core "1.8.1"
+    web3-core-method "1.8.1"
+    web3-utils "1.8.1"
 
-web3-provider-engine@^14.1.0:
-  version "14.1.0"
-  resolved "https://registry.yarnpkg.com/web3-provider-engine/-/web3-provider-engine-14.1.0.tgz#91590020f8b8c1b65846321310cbfdb039090fc6"
-  integrity sha512-vGZtqhSUzGTiMGhJXNnB/aRDlrPZLhLnBZ2NPArkZtr8XSrwg9m08tw4+PuWg5za0TJuoE/vuPQc501HddZZWw==
+web3-provider-engine@^15.0.12:
+  version "15.0.12"
+  resolved "https://registry.yarnpkg.com/web3-provider-engine/-/web3-provider-engine-15.0.12.tgz#24d7f2f6fb6de856824c7306291018c4fc543ac3"
+  integrity sha512-/OfhQalKPND1iB5ggvGuYF0+SIb2Qj5OFTrT2VrZWP79UhMTdP7T+L2FtblmRdCeOetoAzZHdBaIwLOZsmIX+w==
   dependencies:
     async "^2.5.0"
     backoff "^2.5.0"
     clone "^2.0.0"
     cross-fetch "^2.1.0"
-    eth-block-tracker "^3.0.0"
-    eth-json-rpc-infura "^3.1.0"
+    eth-block-tracker "^4.4.2"
+    eth-json-rpc-errors "^2.0.2"
+    eth-json-rpc-filters "^4.1.1"
+    eth-json-rpc-infura "^4.0.1"
+    eth-json-rpc-middleware "^4.1.5"
     eth-sig-util "^1.4.2"
     ethereumjs-block "^1.2.2"
     ethereumjs-tx "^1.2.0"
     ethereumjs-util "^5.1.5"
     ethereumjs-vm "^2.3.4"
-    json-rpc-error "^2.0.0"
     json-stable-stringify "^1.0.1"
     promise-to-callback "^1.0.0"
     readable-stream "^2.2.9"
@@ -5990,6 +7215,16 @@ web3-providers-http@1.0.0-beta.37:
     web3-core-helpers "1.0.0-beta.37"
     xhr2-cookies "1.1.0"
 
+web3-providers-http@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.8.1.tgz#8aa89c11a9272f11ddb74b871273c92225faa28d"
+  integrity sha512-1Zyts4O9W/UNEPkp+jyL19Jc3D15S4yp8xuLTjVhcUEAlHo24NDWEKxtZGUuHk4HrKL2gp8OlsDbJ7MM+ESDgg==
+  dependencies:
+    abortcontroller-polyfill "^1.7.3"
+    cross-fetch "^3.1.4"
+    es6-promise "^4.2.8"
+    web3-core-helpers "1.8.1"
+
 web3-providers-ipc@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.0.0-beta.37.tgz#55d247e7197257ca0c3e4f4b0fe1561311b9d5b9"
@@ -5999,6 +7234,14 @@ web3-providers-ipc@1.0.0-beta.37:
     underscore "1.8.3"
     web3-core-helpers "1.0.0-beta.37"
 
+web3-providers-ipc@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.8.1.tgz#6128a3a3a824d06bf0efcfe86325401f8691a5ca"
+  integrity sha512-nw/W5nclvi+P2z2dYkLWReKLnocStflWqFl+qjtv0xn3MrUTyXMzSF0+61i77+16xFsTgzo4wS/NWIOVkR0EFA==
+  dependencies:
+    oboe "2.1.5"
+    web3-core-helpers "1.8.1"
+
 web3-providers-ws@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.0.0-beta.37.tgz#77c15aebc00b75d760d22d063ac2e415bdbef72f"
@@ -6008,6 +7251,15 @@ web3-providers-ws@1.0.0-beta.37:
     web3-core-helpers "1.0.0-beta.37"
     websocket "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible"
 
+web3-providers-ws@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.8.1.tgz#5e5370e07eb8c615ed298ebc8602b283c7b7d649"
+  integrity sha512-TNefIDAMpdx57+YdWpYZ/xdofS0P+FfKaDYXhn24ie/tH9G+AB+UBSOKnjN0KSadcRSCMBwGPRiEmNHPavZdsA==
+  dependencies:
+    eventemitter3 "4.0.4"
+    web3-core-helpers "1.8.1"
+    websocket "^1.0.32"
+
 web3-providers@1.0.0-beta.52:
   version "1.0.0-beta.52"
   resolved "https://registry.yarnpkg.com/web3-providers/-/web3-providers-1.0.0-beta.52.tgz#04a514430dc9740ff6da35334590886a9df4f71c"
@@ -6045,6 +7297,16 @@ web3-shh@1.0.0-beta.52:
     web3-providers "1.0.0-beta.52"
     web3-utils "1.0.0-beta.52"
 
+web3-shh@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.8.1.tgz#028a95cf9d3a36020380938b9a127610efbb9be7"
+  integrity sha512-sqHgarnfcY2Qt3PYS4R6YveHrDy7hmL09yeLLHHCI+RKirmjLVqV0rc5LJWUtlbYI+kDoa5gbgde489M9ZAC0g==
+  dependencies:
+    web3-core "1.8.1"
+    web3-core-method "1.8.1"
+    web3-core-subscriptions "1.8.1"
+    web3-net "1.8.1"
+
 web3-utils@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.0.0-beta.37.tgz#ab868a90fe5e649337e38bdaf72133fcbf4d414d"
@@ -6074,6 +7336,19 @@ web3-utils@1.0.0-beta.52:
     randomhex "0.1.5"
     utf8 "2.1.1"
 
+web3-utils@1.8.1, web3-utils@^1.0.0-beta.31, web3-utils@^1.2.5:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.8.1.tgz#f2f7ca7eb65e6feb9f3d61056d0de6bbd57125ff"
+  integrity sha512-LgnM9p6V7rHHUGfpMZod+NST8cRfGzJ1BTXAyNo7A9cJX9LczBfSRxJp+U/GInYe9mby40t3v22AJdlELibnsQ==
+  dependencies:
+    bn.js "^5.2.1"
+    ethereum-bloom-filters "^1.0.6"
+    ethereumjs-util "^7.1.0"
+    ethjs-unit "0.1.6"
+    number-to-bn "1.7.0"
+    randombytes "^2.1.0"
+    utf8 "3.0.0"
+
 web3@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3/-/web3-1.0.0-beta.37.tgz#b42c30e67195f816cd19d048fda872f70eca7083"
@@ -6087,6 +7362,19 @@ web3@1.0.0-beta.37:
     web3-shh "1.0.0-beta.37"
     web3-utils "1.0.0-beta.37"
 
+web3@1.8.1, web3@^1.2.5:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/web3/-/web3-1.8.1.tgz#8ea67215ef5f3a6f6d3381800b527242ea22885a"
+  integrity sha512-tAqFsQhGv340C9OgRJIuoScN7f7wa1tUvsnnDUMt9YE6J4gcm7TV2Uwv+KERnzvV+xgdeuULYpsioRRNKrUvoQ==
+  dependencies:
+    web3-bzz "1.8.1"
+    web3-core "1.8.1"
+    web3-eth "1.8.1"
+    web3-eth-personal "1.8.1"
+    web3-net "1.8.1"
+    web3-shh "1.8.1"
+    web3-utils "1.8.1"
+
 web3@^1.0.0-beta.52:
   version "1.0.0-beta.52"
   resolved "https://registry.yarnpkg.com/web3/-/web3-1.0.0-beta.52.tgz#a524888b84206d1ceea8abe1d6056bd7a0a8e33f"
@@ -6105,6 +7393,11 @@ web3@^1.0.0-beta.52:
     web3-shh "1.0.0-beta.52"
     web3-utils "1.0.0-beta.52"
 
+webidl-conversions@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
+  integrity sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==
+
 websocket@^1.0.28:
   version "1.0.28"
   resolved "https://registry.yarnpkg.com/websocket/-/websocket-1.0.28.tgz#9e5f6fdc8a3fe01d4422647ef93abdd8d45a78d3"
@@ -6115,6 +7408,18 @@ websocket@^1.0.28:
     typedarray-to-buffer "^3.1.5"
     yaeti "^0.0.6"
 
+websocket@^1.0.32:
+  version "1.0.34"
+  resolved "https://registry.yarnpkg.com/websocket/-/websocket-1.0.34.tgz#2bdc2602c08bf2c82253b730655c0ef7dcab3111"
+  integrity sha512-PRDso2sGwF6kM75QykIesBijKSVceR6jL2G8NGYyq2XrItNC2P5/qL5XeR056GhA+Ly7JMFvJb9I312mJfmqnQ==
+  dependencies:
+    bufferutil "^4.0.1"
+    debug "^2.2.0"
+    es5-ext "^0.10.50"
+    typedarray-to-buffer "^3.1.5"
+    utf-8-validate "^5.0.2"
+    yaeti "^0.0.6"
+
 "websocket@git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible":
   version "1.0.26"
   resolved "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2"
@@ -6129,6 +7434,14 @@ whatwg-fetch@2.0.4:
   resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz#dde6a5df315f9d39991aa17621853d720b85566f"
   integrity sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng==
 
+whatwg-url@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-5.0.0.tgz#966454e8765462e37644d3626f6742ce8b70965d"
+  integrity sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==
+  dependencies:
+    tr46 "~0.0.3"
+    webidl-conversions "^3.0.0"
+
 which-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
@@ -6139,6 +7452,18 @@ which-module@^2.0.0:
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
   integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
 
+which-typed-array@^1.1.2:
+  version "1.1.9"
+  resolved "https://registry.yarnpkg.com/which-typed-array/-/which-typed-array-1.1.9.tgz#307cf898025848cf995e795e8423c7f337efbde6"
+  integrity sha512-w9c4xkx6mPidwp7180ckYWfMmvxpjlZuIudNtDf4N/tTAUB8VJbX25qZoAsrtGuYNnGw3pa0AXgbGKRB8/EceA==
+  dependencies:
+    available-typed-arrays "^1.0.5"
+    call-bind "^1.0.2"
+    for-each "^0.3.3"
+    gopd "^1.0.1"
+    has-tostringtag "^1.0.0"
+    is-typed-array "^1.1.10"
+
 which@^1.2.9:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
@@ -6176,6 +7501,11 @@ write@1.0.3:
   dependencies:
     mkdirp "^0.5.1"
 
+ws@7.4.6:
+  version "7.4.6"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
+  integrity sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==
+
 ws@^3.0.0:
   version "3.3.3"
   resolved "https://registry.yarnpkg.com/ws/-/ws-3.3.3.tgz#f1cf84fe2d5e901ebce94efaece785f187a228f2"
@@ -6234,7 +7564,7 @@ xmlhttprequest@1.8.0:
   resolved "https://registry.yarnpkg.com/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz#67fe075c5c24fef39f9d65f5f7b7fe75171968fc"
   integrity sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw=
 
-xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.0, xtend@~4.0.1:
+xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
   integrity sha1-pcbVMr5lbiPbgg77lDofBJmNY68=
@@ -6271,6 +7601,11 @@ yallist@^3.0.0, yallist@^3.0.2:
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.3.tgz#b4b049e314be545e3ce802236d6cd22cd91c3de9"
   integrity sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==
 
+yallist@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
+  integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==
+
 yargs-parser@^11.1.1:
   version "11.1.1"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-11.1.1.tgz#879a0865973bca9f6bab5cbdf3b1c67ec7d3bcf4"