Tests using plain solc & mocha

.circleci/config.yml

@@ -16,7 +16,7 @@ aliases:
   - &save-build-cache
     key: v1-build-cache-{{ .BuildNum }}
     paths:
-      - ./build
+      - ./artifacts
 
   - &restore-build-cache
     keys:

.eslintrc.js

@@ -50,7 +50,7 @@ module.exports = {
     "no-debugger": 0,
     "no-undef": "error",
     "object-curly-spacing": ["error", "always"],
-    "max-len": ["error", 80, 2],
+    "max-len": ["error", 120, 2],
     "generator-star-spacing": ["error", "before"],
     "promise/avoid-new": 0,
     "promise/always-return": 0

.gitignore

@@ -2,3 +2,4 @@ build
 node_modules
 coverage
 coverage.json
+artifacts

contracts/examples/ReferenceToken.sol

@@ -21,19 +21,17 @@ contract ReferenceToken is ERC777ERC20BaseToken, Ownable {
     event ERC20Enabled();
     event ERC20Disabled();
 
-    address private mBurnOperator;
+    mapping(address => bool) private mBurnOperators;
 
     constructor(
         string memory _name,
         string memory _symbol,
         uint256 _granularity,
         address[] memory _defaultOperators,
-        address _burnOperator,
         uint256 _initialSupply
     )
         public ERC777ERC20BaseToken(_name, _symbol, _granularity, _defaultOperators)
     {
-        mBurnOperator = _burnOperator;
         doMint(msg.sender, _initialSupply, "", "");
     }
 
@@ -53,22 +51,12 @@ contract ReferenceToken is ERC777ERC20BaseToken, Ownable {
         emit ERC20Enabled();
     }
 
-    /* -- Mint And Burn Functions (not part of the ERC777 standard, only the Events/tokensReceived call are) -- */
-    //
-    /// @notice Generates `_amount` tokens to be assigned to `_tokenHolder`
-    ///  Sample mint function to showcase the use of the `Minted` event and the logic to notify the recipient.
-    /// @param _tokenHolder The address that will be assigned the new tokens
-    /// @param _amount The quantity of tokens generated
-    /// @param _operatorData Data that will be passed to the recipient as a first transfer
-    function mint(
-        address _tokenHolder,
-        uint256 _amount,
-        bytes calldata _data,
-        bytes calldata _operatorData
-    )
-        external onlyOwner
-    {
-        doMint(_tokenHolder, _amount, _data, _operatorData);
+    function allowBurn(address burnOperator) external onlyOwner {
+        mBurnOperators[burnOperator] = true;
+    }
+
+    function revokeBurn(address burnOperator) external onlyOwner {
+        mBurnOperators[burnOperator] = true;
     }
 
     /// @notice Burns `_amount` tokens from `msg.sender`
@@ -92,13 +80,31 @@ contract ReferenceToken is ERC777ERC20BaseToken, Ownable {
         bytes calldata _data,
         bytes calldata _operatorData
     )
-        external
+    external
     {
-        require(msg.sender == mBurnOperator, "Not a burn operator");
+        require(mBurnOperators[msg.sender], "Not a burn operator");
         require(isOperatorFor(msg.sender, _tokenHolder), "Not an operator");
         doBurn(msg.sender, _tokenHolder, _amount, _data, _operatorData);
     }
 
+    /* -- Mint Function (not part of the ERC777 standard, only the Events/tokensReceived call are) -- */
+    //
+    /// @notice Generates `_amount` tokens to be assigned to `_tokenHolder`
+    ///  Sample mint function to showcase the use of the `Minted` event and the logic to notify the recipient.
+    /// @param _tokenHolder The address that will be assigned the new tokens
+    /// @param _amount The quantity of tokens generated
+    /// @param _operatorData Data that will be passed to the recipient as a first transfer
+    function mint(
+        address _tokenHolder,
+        uint256 _amount,
+        bytes calldata _data,
+        bytes calldata _operatorData
+    )
+        external onlyOwner
+    {
+        doMint(_tokenHolder, _amount, _data, _operatorData);
+    }
+
     function doMint(address _tokenHolder, uint256 _amount, bytes memory _data, bytes memory _operatorData) private {
         requireMultiple(_amount);
         mTotalSupply = mTotalSupply.add(_amount);

js/artifacts.js

@@ -0,0 +1,45 @@
+const path = require('path');
+const DEFAULT_ARTIFACTS_PATH = path.resolve(__dirname, '../artifacts/combined.json');
+
+module.exports = function loadArtifacts(jsonPath = DEFAULT_ARTIFACTS_PATH) {
+  const solcJson = require(jsonPath);
+  const artifacts = Object.assign({}, solcJson, {contracts: {}});
+
+  Object.keys(solcJson.contracts).forEach(contractPath => {
+    let path = (contractPath.startsWith('./') ? contractPath.slice(2) : contractPath)
+      .replace('.sol:', '.').replace(/\//g, '.').split('.');
+    let contractName = path.pop();
+
+    let last = path.reduce((obj, key) => obj[key] = obj[key] || {}, artifacts);
+    last[contractName] = Object.assign({}, solcJson.contracts[contractPath]);
+    last[contractName].abi = JSON.parse(last[contractName].abi);
+
+    last[contractName].deploy = async (web3, options = {}) => {
+      if (!last[contractName].bin || last[contractName].bin === '0x') {
+        throw new Error(`Missing bytecode for ${contractPath}`);
+      }
+      if (!last[contractName].abi) {
+        throw new Error(`Missing abi for ${contractPath}`);
+      }
+      if (!options.from) {
+        options.from = (await web3.eth.getAccounts())[0];
+      }
+
+      let contract = new web3.eth.Contract(last[contractName].abi, null, { from: options.from });
+      const gas = await contract.deploy({ data: last[contractName].bin, arguments: options.arguments })
+        .estimateGas({ from: options.from });
+      if (!options.gas) {
+        options.gas = gas;
+      } else if (options.gas < gas) {
+        console.warn(`Specified gas amount ${options.gas} is lower than the estimated ${gas}.`);
+      }
+      return await contract.deploy({ arguments: options.arguments, data: last[contractName].bin })
+        .send({ from: options.from, gas: options.gas, gasLimit: options.gasLimit });
+    };
+
+    last[contractName]
+      .instance = (web3, address, options = {}) => new web3.eth.Contract(last[contractName].abi, address, options);
+  });
+
+  return artifacts
+};

package.json

@@ -16,11 +16,12 @@
   },
   "scripts": {
     "lint:sol": "solium --reporter pretty --dir contracts",
-    "lint:js": "eslint --max-warnings 0 --format eslint-formatter-stylish-verbose test migrations truffle-config.js",
+    "lint:js": "eslint --max-warnings 0 --format eslint-formatter-stylish-verbose test",
     "lint": "npm run lint:sol && npm run lint:js",
-    "build:sol": "truffle compile",
-    "build": "npm run clean && truffle compile --all",
-    "test": "scripts/test.sh --network 'test'",
+    "build:sol": "solc 'erc1820=node_modules/erc1820' 'openzeppelin-solidity=node_modules/openzeppelin-solidity' --allow-paths=',$(pwd)/node_modules' --overwrite --optimize --optimize-runs 200 --metadata-literal --output-dir ./artifacts --combined-json abi,asm,bin,devdoc,hashes,interface,metadata,opcodes,srcmap,userdoc ./contracts/**/*.sol",
+    "build": "npm run clean && npm run build:sol",
+    "test": "mocha",
+    "test-old": "scripts/test.sh --network 'test-old'",
     "coverage": "SOLIDITY_COVERAGE=true scripts/test.sh",
     "check": "npm run lint && npm run build && npm run test",
     "clean": "rm -rf ./build ./coverage ./coverage.json"