Multi Call factory (#804)

* Multi Call factory

* Fix compile

* Write to GP

* Update genericschememulticallfactory.js

* Update genericschememulticallfactory.js

* Tests

* Move dir

* Update genericschememulticallfactory.js

* Update GenericSchemeMultiCallFactory.sol

* Update GenericSchemeMultiCallFactory.sol

Author: ben-kaufman

contracts/utils/GenericSchemeMultiCallFactory.sol

@@ -0,0 +1,100 @@
+pragma solidity 0.5.17;
+
+import "../schemes/GenericSchemeMultiCall.sol";
+import "../schemes/SimpleSchemeConstraints.sol";
+import "@daostack/infra/contracts/votingMachines/GenesisProtocol.sol";
+
+/**
+ * @title 
+ */
+contract GenericSchemeMultiCallFactory {
+    uint8 public constant CUSTOM = 0;
+    uint8 public constant FAST = 1;
+    uint8 public constant NORMAL = 2;
+    uint8 public constant SLOW = 3;
+
+    event NewGenericSchemeMultiCall(address genericSchemeMultiCall);
+
+    function createGenericSchemeMultiCallSimple(
+        Avatar _avatar,
+        IntVoteInterface _votingMachine,
+        uint8 _voteParamsType,
+        uint256[11] memory _votingParams,
+        address _voteOnBehalf,
+        address[] memory _contractsWhiteList,
+        string memory _descriptionHash
+    ) public returns(address) {
+        GenericSchemeMultiCall genericSchemeMultiCall = new GenericSchemeMultiCall();
+        address simpleSchemeConstraints;
+        if (_contractsWhiteList.length > 0) {
+            simpleSchemeConstraints = address(new SimpleSchemeConstraints());
+            SimpleSchemeConstraints(simpleSchemeConstraints).initialize(_contractsWhiteList, _descriptionHash);
+        }
+        
+        uint256[11] memory voteParams;
+        if (_voteParamsType == FAST) {
+            // Fast params hash
+            voteParams = [
+                uint256(50),
+                uint256(604800),
+                uint256(129600),
+                uint256(43200),
+                uint256(1200),
+                uint256(86400),
+                uint256(10000000000000000000),
+                uint256(1),
+                uint256(50000000000000000000),
+                uint256(10),
+                uint256(0)
+            ];
+        } else if (_voteParamsType == NORMAL) {
+            // Normal params hash
+            voteParams = [
+                uint256(50),
+                uint256(2592000),
+                uint256(345600),
+                uint256(86400),
+                uint256(1200),
+                uint256(172800),
+                uint256(50000000000000000000),
+                uint256(4),
+                uint256(150000000000000000000),
+                uint256(10),
+                uint256(0)
+            ];
+        } else if (_voteParamsType == SLOW) {
+            // Slow params hash
+            voteParams = [
+                uint256(50),
+                uint256(5184000),
+                uint256(691200),
+                uint256(172800),
+                uint256(1500),
+                uint256(345600),
+                uint256(200000000000000000000),
+                uint256(4),
+                uint256(500000000000000000000),
+                uint256(10),
+                uint256(0)
+            ];
+        } else {
+            // Custom params hash
+            voteParams = _votingParams;
+        }
+
+        GenesisProtocol genesisProtocol = GenesisProtocol(address(_votingMachine));
+        bytes32 voteParamsHash = genesisProtocol.getParametersHash(voteParams, _voteOnBehalf);
+        (uint256 queuedVoteRequiredPercentage, , , , , , , , , , , ,) =
+        genesisProtocol.parameters(voteParamsHash);
+        if (queuedVoteRequiredPercentage == 0) {
+            //params not set already
+            genesisProtocol.setParameters(voteParams, _voteOnBehalf);
+        }
+        genericSchemeMultiCall.initialize(
+            _avatar, _votingMachine, voteParamsHash, SchemeConstraints(simpleSchemeConstraints)
+        );
+
+        emit NewGenericSchemeMultiCall(address(genericSchemeMultiCall));
+        return address(genericSchemeMultiCall);
+    }
+}

test/genericschememulticallfactory.js

@@ -0,0 +1,109 @@
+import * as helpers from './helpers';
+
+const GenericSchemeMultiCall = artifacts.require('./GenericSchemeMultiCall.sol');
+const GenericSchemeMultiCallFactory = artifacts.require('./GenericSchemeMultiCallFactory.sol');
+
+const params = [
+  [
+    50,
+    1800,
+    600,
+    600,
+    2000,
+    300,
+    web3.utils.toWei('5', "ether"),
+    1,
+    web3.utils.toWei('10', "ether"),
+    10,
+    0
+  ],
+  [
+    50,
+    604800,
+    129600,
+    43200,
+    1200,
+    86400,
+    web3.utils.toWei('10', "ether"),
+    1,
+    web3.utils.toWei('50', "ether"),
+    10,
+    0
+  ],
+  [
+    50,
+    2592000,
+    345600,
+    86400,
+    1200,
+    172800,
+    web3.utils.toWei('50', "ether"),
+    4,
+    web3.utils.toWei('150', "ether"),
+    10,
+    0
+  ],
+  [
+    50,
+    5184000,
+    691200,
+    172800,
+    1500,
+    345600,
+    web3.utils.toWei('200', "ether"),
+    4,
+    web3.utils.toWei('500', "ether"),
+    10,
+    0
+  ]
+];
+
+const setup = async function () {
+   var testSetup = new helpers.TestSetup();
+   testSetup.genericSchemeMultiCallFactory = await GenericSchemeMultiCallFactory.new();
+   return testSetup;
+};
+
+contract('genericSchemeMultiCallFactory', function(accounts) {
+  it('initialize', async () => {
+    let testSetup = await setup();
+    let votingMachine = await helpers.setupGenesisProtocol(accounts,helpers.SOME_ADDRESS,0,helpers.NULL_ADDRESS);
+
+    for (let i=0; i < 4; i++) {
+      let address = await testSetup.genericSchemeMultiCallFactory.createGenericSchemeMultiCallSimple.call(
+        helpers.SOME_ADDRESS,
+        votingMachine.genesisProtocol.address,
+        i,
+        (i === 0 ? params[0] : [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]),
+        helpers.NULL_ADDRESS,
+        (i === 0 ? [helpers.SOME_ADDRESS] : []),
+        '0x0'
+      );
+
+      await testSetup.genericSchemeMultiCallFactory.createGenericSchemeMultiCallSimple(
+        helpers.SOME_ADDRESS,
+        votingMachine.genesisProtocol.address,
+        i,
+        (i === 0 ? params[0] : [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]),
+        helpers.NULL_ADDRESS,
+        (i === 0 ? [helpers.SOME_ADDRESS] : []),
+        '0x0'
+      );
+
+      let genericSchemeMultiCall = await GenericSchemeMultiCall.at(address);
+      assert.equal(await genericSchemeMultiCall.avatar(), helpers.SOME_ADDRESS);
+      assert.equal(await genericSchemeMultiCall.votingMachine(), votingMachine.genesisProtocol.address);
+      assert.equal(
+        await genericSchemeMultiCall.voteParams(),
+        await votingMachine.genesisProtocol.getParametersHash(params[i], helpers.NULL_ADDRESS)
+      );
+      if (i === 0) {
+        assert.notEqual(await genericSchemeMultiCall.schemeConstraints(), helpers.NULL_ADDRESS);
+      } else {
+        assert.equal(await genericSchemeMultiCall.schemeConstraints(), helpers.NULL_ADDRESS);
+      }
+    }
+
+  });
+
+});