@ethsub/sol

{ "contractName": "ERC20Handler", "abi": [ { "inputs": [ { "internalType": "address", "name": "bridgeAddress", "type": "address" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "inputs": [], "name": "_bridgeAddress", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "", "type": "address" } ], "name": "_burnList", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "", "type": "address" } ], "name": "_contractWhitelist", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "", "type": "bytes32" } ], "name": "_resourceIDToTokenContractAddress", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "", "type": "address" } ], "name": "_tokenContractAddressToResourceID", "outputs": [ { "internalType": "bytes32", "name": "", "type": "bytes32" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "contractAddress", "type": "address" } ], "name": "setBurnable", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "resourceID", "type": "bytes32" }, { "internalType": "address", "name": "contractAddress", "type": "address" } ], "name": "setResource", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "resourceID", "type": "bytes32" }, { "internalType": "address", "name": "depositer", "type": "address" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "deposit", "outputs": [ { "internalType": "bytes", "name": "", "type": "bytes" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "resourceID", "type": "bytes32" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "executeProposal", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "withdraw", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"bridgeAddress\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"inputs\":[],\"name\":\"_bridgeAddress\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"_burnList\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"_contractWhitelist\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"_resourceIDToTokenContractAddress\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"_tokenContractAddressToResourceID\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"resourceID\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"depositer\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"deposit\",\"outputs\":[{\"internalType\":\"bytes\",\"name\":\"\",\"type\":\"bytes\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"resourceID\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"executeProposal\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"contractAddress\",\"type\":\"address\"}],\"name\":\"setBurnable\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"resourceID\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"contractAddress\",\"type\":\"address\"}],\"name\":\"setResource\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"withdraw\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"author\":\"ChainSafe Systems.\",\"kind\":\"dev\",\"methods\":{\"constructor\":{\"params\":{\"bridgeAddress\":\"Contract address of previously deployed Bridge.\"}},\"deposit(bytes32,address,bytes)\":{\"details\":\"Depending if the corresponding {tokenAddress} for the parsed {resourceID} is marked true in {_burnList}, deposited tokens will be burned, if not, they will be locked.\",\"params\":{\"data\":\"Consists of {amount} padded to 32 bytes.\",\"depositer\":\"Address of account making the deposit in the Bridge contract.\",\"resourceID\":\"ResourceID used to find address of token to be used for deposit.\"},\"returns\":{\"_0\":\"an empty data.\"}},\"executeProposal(bytes32,bytes)\":{\"params\":{\"data\":\"Consists of {resourceID}, {amount}, {lenDestinationRecipientAddress}, and {destinationRecipientAddress} all padded to 32 bytes.\"}},\"setBurnable(address)\":{\"params\":{\"contractAddress\":\"Address of contract to be used when making or executing deposits.\"}},\"setResource(bytes32,address)\":{\"params\":{\"contractAddress\":\"Address of contract to be called when a deposit is made and a deposited is executed.\",\"resourceID\":\"ResourceID to be used when making deposits.\"}},\"withdraw(bytes)\":{\"params\":{\"data\":\"Consists of {tokenAddress}, {recipient}, and {amount} all padded to 32 bytes.\"}}},\"title\":\"Handles ERC20 deposits and deposit executions.\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"deposit(bytes32,address,bytes)\":{\"notice\":\"A deposit is initiatied by making a deposit in the Bridge contract.Data passed into the function should be constructed as follows: amount uint256 bytes 0 - 32\"},\"executeProposal(bytes32,bytes)\":{\"notice\":\"Proposal execution should be initiated when a proposal is finalized in the Bridge contract. by a relayer on the deposit's destination chain.Data passed into the function should be constructed as follows: amount uint256 bytes 0 - 32 destinationRecipientAddress length uint256 bytes 32 - 64 destinationRecipientAddress bytes bytes 64 - END\"},\"setBurnable(address)\":{\"notice\":\"First verifies {contractAddress} is whitelisted, then sets {_burnList}[{contractAddress}] to true.\"},\"setResource(bytes32,address)\":{\"notice\":\"First verifies {_resourceIDToContractAddress}[{resourceID}] and {_contractAddressToResourceID}[{contractAddress}] are not already set, then sets {_resourceIDToContractAddress} with {contractAddress}, {_contractAddressToResourceID} with {resourceID}, and {_contractWhitelist} to true for {contractAddress}.\"},\"withdraw(bytes)\":{\"notice\":\"Used to manually release ERC20 tokens from ERC20Safe.Data passed into the function should be constructed as follows: tokenAddress address bytes 0 - 32 recipient address bytes 32 - 64 amount uint bytes 64 - 96\"}},\"notice\":\"This contract is intended to be used with the Bridge contract.\",\"version\":1}},\"settings\":{\"compilationTarget\":{\"project:/contracts/handlers/ERC20Handler.sol\":\"ERC20Handler\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/access/AccessControl.sol\":{\"keccak256\":\"0x4fc155a2f7837603d69a13cfa481eb5e7f5e02cb77e2ec9edbac30986db37988\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://0855147e38b5e36288a8df73b8da49132f14ec7abb19041b0c98872263643aaa\",\"dweb:/ipfs/QmSrSysyFUYQq7hbJaJXG7EyZW6ezDBzEJx3SABp6eiJSS\"]},\"@openzeppelin/contracts/math/SafeMath.sol\":{\"keccak256\":\"0xcc78a17dd88fa5a2edc60c8489e2f405c0913b377216a5b26b35656b2d0dab52\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://526dc85e1f9b9b45830e202568d267d93dde7a4fcccf4ad7798dadcd92304d3c\",\"dweb:/ipfs/QmaoXMB972J3cSDLtBq3xBo4jLwqD2uzXTwujtSPqkYVhR\"]},\"@openzeppelin/contracts/presets/ERC20PresetMinterPauser.sol\":{\"keccak256\":\"0xa7c607ed4a0b2bebb811a398838ce4b5165e490f420a06337478eb2ba8c90cfc\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://7eaf468e140d3430711cb859fbb41b097093069a75bfe4ab19e515c59f8b78ea\",\"dweb:/ipfs/QmYvdoCh8TAX7ucpMZspPpHpQZSuNe8cQTrbZyUcy3caqc\"]},\"@openzeppelin/contracts/token/ERC20/ERC20.sol\":{\"keccak256\":\"0xca0c2396dbeb3503b51abf4248ebf77a1461edad513c01529df51850a012bee3\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://991b44ff44e0496e8554a90f4c0512c28faed45104d40430019f3c67ea67740e\",\"dweb:/ipfs/Qmc3nRapVbcctELoZS5qe17zLkFB3bETBfwzCTMF1CSuGE\"]},\"@openzeppelin/contracts/token/ERC20/ERC20Burnable.sol\":{\"keccak256\":\"0x9c0eb3b0e11d2480d49991dc384f1e5f9c9b9967cc81944d50916a9b9c6c4984\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://99e4033d778624992e86f0b6d801a4f6d7b5c0cd5c79c1296be90a051ad5f5af\",\"dweb:/ipfs/QmShYmkUqh6pDEeoWadZ24icmCr4C2Xys1uE5boivPmbwf\"]},\"@openzeppelin/contracts/token/ERC20/ERC20Pausable.sol\":{\"keccak256\":\"0xa22af140ae7ec1f8f2f3bed5869cd0d548dfaac66343f0efc7324ff34aaf1254\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://fed479feda7354e89c095fde0927dcb581f460257bf93b7db54b2b902b4bbd48\",\"dweb:/ipfs/QmSDUhS2AQvTGXHwaxDgAXtwXKCgQh2kp1nwhwUgr2hQZK\"]},\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x5f02220344881ce43204ae4a6281145a67bc52c2bb1290a791857df3d19d78f5\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://24427744bd3e6cb73c17010119af12a318289c0253a4d9acb8576c9fb3797b08\",\"dweb:/ipfs/QmTLDqpKRBuxGxRAmjgXt9AkXyACW3MtKzi7PYjm5iMfGC\"]},\"@openzeppelin/contracts/utils/Address.sol\":{\"keccak256\":\"0x28911e614500ae7c607a432a709d35da25f3bc5ddc8bd12b278b66358070c0ea\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://256c8c8af5eb072bc473226ab2b2187149b8fc04f5f4a4820db22527f5ce8e3c\",\"dweb:/ipfs/QmRvi5BhnL7Rxf85KrJhwM6RRhukm4tzoctRdgQEheNyiN\"]},\"@openzeppelin/contracts/utils/Context.sol\":{\"keccak256\":\"0x8d3cb350f04ff49cfb10aef08d87f19dcbaecc8027b0bed12f3275cd12f38cf0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://ded47ec7c96750f9bd04bbbc84f659992d4ba901cb7b532a52cd468272cf378f\",\"dweb:/ipfs/QmfBrGtQP7rZEqEg6Wz6jh2N2Kukpj1z5v3CGWmAqrzm96\"]},\"@openzeppelin/contracts/utils/EnumerableSet.sol\":{\"keccak256\":\"0x1562cd9922fbf739edfb979f506809e2743789cbde3177515542161c3d04b164\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://4580d57781513d98870d9738c7d39094336e0a70cdb90d68dad549c6ced466ec\",\"dweb:/ipfs/Qmf9YZzzRFuvMnav9dgmeRUpdYMMECiZX8w25sHWVbA18V\"]},\"@openzeppelin/contracts/utils/Pausable.sol\":{\"keccak256\":\"0x212fb1b1d4beaf74354dad9bc329f44ee3c5375ef1c32acff76b4ecefc10f1d8\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://d21c68cb321d1c8d0fa39fd9ecb6bbe3b2f26623b0f38af280a010c916c85f23\",\"dweb:/ipfs/Qmf2P51HRC4ekDHLYfbXu5SXR33gXrWtq6oKSmfyWqVRuC\"]},\"project:/contracts/ERC20Safe.sol\":{\"keccak256\":\"0x8f93dfbdf43c6ba17ef5742ff544a7f78b97ef66817fee1532f099a9fd57d194\",\"license\":\"LGPL-3.0-only\",\"urls\":[\"bzz-raw://58517fef09d9e89ce7dc685bf6d90b125155add35e3c9834b6859389047e7961\",\"dweb:/ipfs/Qma6q2ZMDaNKTa6D8Ppsoe71xWieABmPEeynU6nbkXTnKX\"]},\"project:/contracts/handlers/ERC20Handler.sol\":{\"keccak256\":\"0x58ca13fcca2f2e1897b3032e2b1f0809ffdccc8ae755a4836e06dd0cba135467\",\"license\":\"LGPL-3.0-only\",\"urls\":[\"bzz-raw://f46d73a42eb1bc3a2ca2b3d2effbfb34992bf3094a9516d53f0334cf1d5c7de4\",\"dweb:/ipfs/QmXohwhHAzSzgsCNg75erQHxq9qfP5LyouUesZLzCQ6Rf2\"]},\"project:/contracts/handlers/HandlerHelpers.sol\":{\"keccak256\":\"0x9418d0646c373e028595a4a3abf5ac93948ea64efa031f1531c70a0500882d09\",\"license\":\"LGPL-3.0-only\",\"urls\":[\"bzz-raw://43e30989056cc8c5f0d2a26cb3a7e8a5d0d51dd2c832fb8d751c353226254871\",\"dweb:/ipfs/QmRpXPeLz7Qjh5qxMW4PyC8qkjrpEJCeCiqfobZyg28y6S\"]},\"project:/contracts/interfaces/IDepositExecute.sol\":{\"keccak256\":\"0x3623f906ae6f354cbf27ffd4eeccbfc2c3baa94783c5dd854b2e0f50db2a7c8d\",\"license\":\"LGPL-3.0-only\",\"urls\":[\"bzz-raw://26f8ddafd8655375eeb861a033fe390b3235c4f8de9a54e0524b91d2d1992674\",\"dweb:/ipfs/QmUAsxc8j4UdaDZ5HVp73kAwLpgTqqrgZG1sX86iRKZTqv\"]},\"project:/contracts/interfaces/IERCHandler.sol\":{\"keccak256\":\"0x4384276611a789db6481e1158d92c280fe5990ec0c375df30dd5e8f8a97cbb4c\",\"license\":\"LGPL-3.0-only\",\"urls\":[\"bzz-raw://3af488536c6d8f6b3090ca9b5fa54718941604a30f58bd66db641a6599a9f296\",\"dweb:/ipfs/QmSm988tQV4XtkCQpTbf2SbdCHp8AcjYZhQLhftPFXrUf2\"]}},\"version\":1}", 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"source": "// SPDX-License-Identifier: LGPL-3.0-only\npragma solidity 0.6.12;\npragma experimental ABIEncoderV2;\n\nimport \"../interfaces/IDepositExecute.sol\";\nimport \"./HandlerHelpers.sol\";\nimport \"../ERC20Safe.sol\";\n\n/**\n @title Handles ERC20 deposits and deposit executions.\n @author ChainSafe Systems.\n @notice This contract is intended to be used with the Bridge contract.\n */\ncontract ERC20Handler is IDepositExecute, HandlerHelpers, ERC20Safe {\n /**\n @param bridgeAddress Contract address of previously deployed Bridge.\n */\n constructor(\n address bridgeAddress\n ) public HandlerHelpers(bridgeAddress) {\n }\n\n /**\n @notice A deposit is initiatied by making a deposit in the Bridge contract.\n @param resourceID ResourceID used to find address of token to be used for deposit.\n @param depositer Address of account making the deposit in the Bridge contract.\n @param data Consists of {amount} padded to 32 bytes.\n @notice Data passed into the function should be constructed as follows:\n amount uint256 bytes 0 - 32\n @dev Depending if the corresponding {tokenAddress} for the parsed {resourceID} is\n marked true in {_burnList}, deposited tokens will be burned, if not, they will be locked.\n @return an empty data.\n */\n function deposit(\n bytes32 resourceID,\n address depositer,\n bytes calldata data\n ) external override onlyBridge returns (bytes memory) {\n uint256 amount;\n (amount) = abi.decode(data, (uint));\n\n address tokenAddress = _resourceIDToTokenContractAddress[resourceID];\n require(_contractWhitelist[tokenAddress], \"provided tokenAddress is not whitelisted\");\n\n if (_burnList[tokenAddress]) {\n burnERC20(tokenAddress, depositer, amount);\n } else {\n lockERC20(tokenAddress, depositer, address(this), amount);\n }\n }\n\n /**\n @notice Proposal execution should be initiated when a proposal is finalized in the Bridge contract.\n by a relayer on the deposit's destination chain.\n @param data Consists of {resourceID}, {amount}, {lenDestinationRecipientAddress},\n and {destinationRecipientAddress} all padded to 32 bytes.\n @notice Data passed into the function should be constructed as follows:\n amount uint256 bytes 0 - 32\n destinationRecipientAddress length uint256 bytes 32 - 64\n destinationRecipientAddress bytes bytes 64 - END\n */\n function executeProposal(bytes32 resourceID, bytes calldata data) external override onlyBridge {\n uint256 amount;\n uint256 lenDestinationRecipientAddress;\n bytes memory destinationRecipientAddress;\n\n (amount, lenDestinationRecipientAddress) = abi.decode(data, (uint, uint));\n destinationRecipientAddress = bytes(data[64:64 + lenDestinationRecipientAddress]);\n\n bytes20 recipientAddress;\n address tokenAddress = _resourceIDToTokenContractAddress[resourceID];\n\n assembly {\n recipientAddress := mload(add(destinationRecipientAddress, 0x20))\n }\n\n require(_contractWhitelist[tokenAddress], \"provided tokenAddress is not whitelisted\");\n\n if (_burnList[tokenAddress]) {\n mintERC20(tokenAddress, address(recipientAddress), amount);\n } else {\n releaseERC20(tokenAddress, address(recipientAddress), amount);\n }\n }\n\n /**\n @notice Used to manually release ERC20 tokens from ERC20Safe.\n @param data Consists of {tokenAddress}, {recipient}, and {amount} all padded to 32 bytes.\n @notice Data passed into the function should be constructed as follows:\n tokenAddress address bytes 0 - 32\n recipient address bytes 32 - 64\n amount uint bytes 64 - 96\n */\n function withdraw(bytes memory data) external override onlyBridge {\n address tokenAddress;\n address recipient;\n uint amount;\n\n (tokenAddress, recipient, amount) = abi.decode(data, (address, address, uint));\n\n releaseERC20(tokenAddress, recipient, amount);\n }\n}\n", "sourcePath": "/home/sigo/w/deer/ethsub/packages/sol/contracts/handlers/ERC20Handler.sol", "ast": { "absolutePath": "project:/contracts/handlers/ERC20Handler.sol", "exportedSymbols": { "ERC20Handler": [ 8996 ] }, "id": 8997, "license": "LGPL-3.0-only", "nodeType": "SourceUnit", "nodes": [ { "id": 8779, "literals": [ "solidity", "0.6", ".12" ], "nodeType": "PragmaDirective", "src": "42:23:45" }, { "id": 8780, "literals": [ "experimental", "ABIEncoderV2" ], "nodeType": "PragmaDirective", "src": "66:33:45" }, { "absolutePath": "project:/contracts/interfaces/IDepositExecute.sol", "file": "../interfaces/IDepositExecute.sol", "id": 8781, "nodeType": "ImportDirective", "scope": 8997, "sourceUnit": 9817, "src": "101:43:45", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "project:/contracts/handlers/HandlerHelpers.sol", "file": "./HandlerHelpers.sol", "id": 8782, "nodeType": "ImportDirective", "scope": 8997, "sourceUnit": 9783, "src": "145:30:45", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "project:/contracts/ERC20Safe.sol", "file": "../ERC20Safe.sol", "id": 8783, "nodeType": "ImportDirective", "scope": 8997, "sourceUnit": 7752, "src": "176:26:45", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 8785, "name": "IDepositExecute", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9816, "src": "401:15:45", "typeDescriptions": { "typeIdentifier": "t_contract$_IDepositExecute_$9816", "typeString": "contract IDepositExecute" } }, "id": 8786, "nodeType": "InheritanceSpecifier", "src": "401:15:45" }, { "arguments": null, "baseName": { "contractScope": null, "id": 8787, "name": "HandlerHelpers", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9782, "src": "418:14:45", "typeDescriptions": { "typeIdentifier": "t_contract$_HandlerHelpers_$9782", "typeString": "contract HandlerHelpers" } }, "id": 8788, "nodeType": "InheritanceSpecifier", "src": "418:14:45" }, { "arguments": null, "baseName": { "contractScope": null, "id": 8789, "name": "ERC20Safe", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 7751, "src": "434:9:45", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20Safe_$7751", "typeString": "contract ERC20Safe" } }, "id": 8790, "nodeType": "InheritanceSpecifier", "src": "434:9:45" } ], "contractDependencies": [ 7751, 9782, 9816, 9840 ], "contractKind": "contract", "documentation": { "id": 8784, "nodeType": "StructuredDocumentation", "src": "204:171:45", "text": "@title Handles ERC20 deposits and deposit executions.\n@author ChainSafe Systems.\n@notice This contract is intended to be used with the Bridge contract." }, "fullyImplemented": true, "id": 8996, "linearizedBaseContracts": [ 8996, 7751, 9782, 9840, 9816 ], "name": "ERC20Handler", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 8799, "nodeType": "Block", "src": "638:7:45", "statements": [] }, "documentation": { "id": 8791, "nodeType": "StructuredDocumentation", "src": "450:88:45", "text": "@param bridgeAddress Contract address of previously deployed Bridge." }, "id": 8800, "implemented": true, "kind": "constructor", "modifiers": [ { "arguments": [ { "argumentTypes": null, "id": 8796, "name": "bridgeAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8793, "src": "623:13:45", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "id": 8797, "modifierName": { "argumentTypes": null, "id": 8795, "name": "HandlerHelpers", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9782, "src": "608:14:45", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_HandlerHelpers_$9782_$", "typeString": "type(contract HandlerHelpers)" } }, "nodeType": "ModifierInvocation", "src": "608:29:45" } ], "name": "", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 8794, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8793, "mutability": "mutable", "name": "bridgeAddress", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8800, "src": "564:30:45", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8792, "name": "address", "nodeType": "ElementaryTypeName", "src": "564:7:45", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "554:46:45" }, "returnParameters": { "id": 8798, "nodeType": "ParameterList", "parameters": [], "src": "638:0:45" }, "scope": 8996, "src": "543:102:45", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" }, { "baseFunctions": [ 9807 ], "body": { "id": 8864, "nodeType": "Block", "src": "1513:451:45", "statements": [ { "assignments": [ 8816 ], "declarations": [ { "constant": false, "id": 8816, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8864, "src": "1523:21:45", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_u