diff --git a/package-lock.json b/package-lock.json
old mode 100755
new mode 100644
index c16dcae..9e34a25
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,20 +4,6 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
-    "@types/bigi": {
-      "version": "1.4.2",
-      "resolved": "https://registry.npmjs.org/@types/bigi/-/bigi-1.4.2.tgz",
-      "integrity": "sha512-St8Vm0x1ApYlU9yNaFx3jBis5JVU6oR/5Xtgvn8+N8Ts8f3ze6kOvAAg0aNkbGMGhhG6PrP0nMOgDI9NMFETkA=="
-    },
-    "@types/bitcoinjs-lib": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/@types/bitcoinjs-lib/-/bitcoinjs-lib-3.4.0.tgz",
-      "integrity": "sha512-Srj1mDoNWVrQZ+Vle41gVZhdQ3Y7GUkccdWnV6gIRLl8ghq/eOeZYkVHzoI3rDub+AmCtiVDM8z3IyqT7pZC4w==",
-      "requires": {
-        "@types/bigi": "*",
-        "@types/node": "*"
-      }
-    },
     "@types/cookiejar": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/@types/cookiejar/-/cookiejar-2.1.0.tgz",
@@ -220,7 +206,7 @@
     "bigi": {
       "version": "1.4.2",
       "resolved": "https://registry.npmjs.org/bigi/-/bigi-1.4.2.tgz",
-      "integrity": "sha1-nGZalfiLiwj8Bc/XMfVhhZ1yWCU="
+      "integrity": "sha512-ddkU+dFIuEIW8lE7ZwdIAf2UPoM90eaprg5m3YXAVVTmKlqV/9BX4A2M8BOK2yOq6/VgZFVhK6QAxJebhlbhzw=="
     },
     "bindings": {
       "version": "1.3.0",
@@ -263,7 +249,7 @@
         "secrets.js-grempe": {
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           "resolved": "https://registry.npmjs.org/secrets.js-grempe/-/secrets.js-grempe-1.1.0.tgz",
-          "integrity": "sha1-uztgbdaGN8okRoGhD97mxRIEkpQ="
+          "integrity": "sha512-OsbpZUFTjvQPKHpseAbFPY82U3mVNP4G3WSbJiDtMLjzwsV52MTdc6rTwIooIkg3klf5eCrg62ZuGIz5GaW02A=="
         }
       }
     },
@@ -372,7 +358,7 @@
         },
         "elliptic": {
           "version": "3.0.3",
-          "resolved": "http://registry.npmjs.org/elliptic/-/elliptic-3.0.3.tgz",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-3.0.3.tgz",
           "integrity": "sha1-hlybQgv75VAGuflp+XoNLESWZZU=",
           "requires": {
             "bn.js": "^2.0.0",
@@ -760,9 +746,9 @@
       }
     },
     "cookiejar": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.2.tgz",
-      "integrity": "sha512-Mw+adcfzPxcPeI+0WlvRrr/3lGVO0bD75SxX6811cxSh1Wbxx7xZBGK1eVtDf6si8rg2lhnUjsVLMFMfbRIuwA=="
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.4.tgz",
+      "integrity": "sha512-LDx6oHrK+PhzLKJU9j5S7/Y3jM/mUHvD/DeI1WQmJn652iPC5Y4TBzC9l+5OMOXlyTTA+SmVUPm0HQUwpD5Jqw=="
     },
     "core-util-is": {
       "version": "1.0.2",
@@ -2107,7 +2093,7 @@
     "merkle-lib": {
       "version": "2.0.10",
       "resolved": "https://registry.npmjs.org/merkle-lib/-/merkle-lib-2.0.10.tgz",
-      "integrity": "sha1-grjbrnXieneFOItz+ddyXQ9vMyY="
+      "integrity": "sha512-XrNQvUbn1DL5hKNe46Ccs+Tu3/PYOlrcZILuGUhb95oKBPjc/nmIC8D462PQkipVDGKRvwhn+QFg2cCdIvmDJA=="
     },
     "merkle-tree-stream": {
       "version": "3.0.3",
@@ -5435,7 +5421,7 @@
     "pushdata-bitcoin": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/pushdata-bitcoin/-/pushdata-bitcoin-1.0.1.tgz",
-      "integrity": "sha1-FZMdPNlnreUiBvUjqnMxrvfUOvc=",
+      "integrity": "sha512-hw7rcYTJRAl4olM8Owe8x0fBuJJ+WGbMhQuLWOXEMN3PxPCKQHRkhfL+XG0+iXUmSHjkMmb3Ba55Mt21cZc9kQ==",
       "requires": {
         "bitcoin-ops": "^1.3.0"
       }