{ "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_$7751", "typeString": "contract ERC20Safe" } }, "id": 8790, "nodeType": "InheritanceSpecifier", "src": "434:9:45" } ], "contractDependencies": [ 7751, 9782, 9816, 9840 ], "contractKind": "contract", "documentation": { "id": 8784, "nodeType": "StructuredDocumentation", "src": "204:171:45", "text": "@title Handles ERC20 deposits and deposit executions.\n@author ChainSafe Systems.\n@notice This contract is intended to be used with the Bridge contract." }, "fullyImplemented": true, "id": 8996, "linearizedBaseContracts": [ 8996, 7751, 9782, 9840, 9816 ], "name": "ERC20Handler", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 8799, "nodeType": "Block", "src": "638:7:45", "statements": [] }, "documentation": { "id": 8791, "nodeType": "StructuredDocumentation", "src": "450:88:45", "text": "@param bridgeAddress Contract address of previously deployed Bridge." }, "id": 8800, "implemented": true, "kind": "constructor", "modifiers": [ { 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"referencedDeclaration": -28, "src": "1933:4:45", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20Handler_$8996", "typeString": "contract ERC20Handler" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_ERC20Handler_$8996", "typeString": "contract ERC20Handler" } ], "id": 8856, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1925:7:45", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 8855, "name": "address", "nodeType": "ElementaryTypeName", "src": "1925:7:45", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 8858, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1925:13:45", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 8859, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8816, "src": "1940:6:45", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 8852, "name": "lockERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7587, "src": "1890:9:45", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,address,uint256)" } }, "id": 8860, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1890:57:45", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8861, "nodeType": "ExpressionStatement", "src": "1890:57:45" } ] }, "id": 8863, "nodeType": "IfStatement", "src": "1774:184:45", "trueBody": { "id": 8851, "nodeType": "Block", "src": "1803:67:45", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8846, "name": "tokenAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8830, "src": "1827:12:45", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 8847, "name": "depositer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8805, "src": "1841:9:45", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 8848, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8816, "src": "1852:6:45", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 8845, "name": "burnERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7658, "src": "1817:9:45", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 8849, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1817:42:45", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8850, "nodeType": "ExpressionStatement", "src": "1817:42:45" } ] } } ] }, "documentation": { "id": 8801, "nodeType": "StructuredDocumentation", "src": "651:696:45", "text": "@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:\namount uint256 bytes 0 - 32\n@dev Depending if the corresponding {tokenAddress} for the parsed {resourceID} is\nmarked true in {_burnList}, deposited tokens will be burned, if not, they will be locked.\n@return an empty data." }, "functionSelector": "b07e54bb", "id": 8865, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 8811, "modifierName": { "argumentTypes": null, "id": 8810, "name": "onlyBridge", 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"t_tuple$_t_uint256_$_t_uint256_$", "typeString": "tuple(uint256,uint256)" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8890, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8870, "src": "2904:4:45", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, { "argumentTypes": null, "components": [ { "argumentTypes": null, "id": 8892, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2911:4:45", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": { "id": 8891, "name": "uint", "nodeType": "ElementaryTypeName", "src": "2911:4:45", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, { "argumentTypes": null, "id": 8894, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2917:4:45", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": { "id": 8893, "name": "uint", "nodeType": "ElementaryTypeName", "src": "2917:4:45", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } } ], "id": 8895, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "TupleExpression", "src": "2910:12:45", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_type$_t_uint256_$_$_t_type$_t_uint256_$_$", "typeString": "tuple(type(uint256),type(uint256))" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" }, { "typeIdentifier": "t_tuple$_t_type$_t_uint256_$_$_t_type$_t_uint256_$_$", "typeString": "tuple(type(uint256),type(uint256))" } ], "expression": { "argumentTypes": null, "id": 8888, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -1, "src": "2893:3:45", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 8889, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "decode", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2893:10:45", "typeDescriptions": { "typeIdentifier": "t_function_abidecode_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 8896, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2893:30:45", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$_t_uint256_$_t_uint256_$", "typeString": "tuple(uint256,uint256)" } }, "src": "2850:73:45", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8898, "nodeType": "ExpressionStatement", "src": "2850:73:45" }, { "expression": { "argumentTypes": null, "id": 8909, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 8899, "name": "destinationRecipientAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8883, "src": "2933:27:45", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8902, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8870, "src": "2969:4:45", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "endExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8906, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "hexValue": "3634", "id": 8904, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2977:2:45", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_64_by_1", "typeString": "int_const 64" }, "value": "64" }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "argumentTypes": null, "id": 8905, "name": "lenDestinationRecipientAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8880, "src": "2982:30:45", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2977:35:45", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 8907, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexRangeAccess", "src": "2969:44:45", "startExpression": { "argumentTypes": null, "hexValue": "3634", "id": 8903, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2974:2:45", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_64_by_1", "typeString": "int_const 64" }, "value": "64" }, "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } ], "id": 8901, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2963:5:45", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes_storage_ptr_$", "typeString": "type(bytes storage pointer)" }, "typeName": { "id": 8900, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "2963:5:45", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 8908, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2963:51:45", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "src": "2933:81:45", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 8910, "nodeType": "ExpressionStatement", "src": "2933:81:45" }, { "assignments": [ 8912 ], "declarations": [ { "constant": false, "id": 8912, "mutability": "mutable", "name": "recipientAddress", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8952, "src": "3025:24:45", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes20", "typeString": "bytes20" }, "typeName": { "id": 8911, "name": "bytes20", "nodeType": "ElementaryTypeName", "src": "3025:7:45", "typeDescriptions": { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } }, "value": null, "visibility": "internal" } ], "id": 8913, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "3025:24:45" }, { "assignments": [ 8915 ], "declarations": [ { "constant": false, "id": 8915, "mutability": "mutable", "name": "tokenAddress", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8952, "src": "3059:20:45", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8914, "name": "address", "nodeType": "ElementaryTypeName", "src": "3059:7:45", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 8919, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8916, "name": "_resourceIDToTokenContractAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9656, "src": "3082:33:45", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_address_$", "typeString": "mapping(bytes32 => address)" } }, "id": 8918, "indexExpression": { "argumentTypes": null, "id": 8917, "name": "resourceID", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8868, "src": "3116:10:45", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3082:45:45", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "3059:68:45" }, { "AST": { "nodeType": "YulBlock", "src": "3147:89:45", "statements": [ { "nodeType": "YulAssignment", "src": "3161:65:45", "value": { "arguments": [ { "arguments": [ { "name": "destinationRecipientAddress", "nodeType": "YulIdentifier", "src": "3191:27:45" }, { "kind": "number", "nodeType": "YulLiteral", "src": "3220:4:45", "type": "", "value": "0x20" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "3187:3:45" }, "nodeType": "YulFunctionCall", "src": "3187:38:45" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "3181:5:45" }, "nodeType": "YulFunctionCall", "src": "3181:45:45" }, "variableNames": [ { "name": "recipientAddress", "nodeType": "YulIdentifier", "src": "3161:16:45" } ] } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 8883, "isOffset": false, "isSlot": false, "src": "3191:27:45", "valueSize": 1 }, { "declaration": 8912, "isOffset": false, "isSlot": false, "src": "3161:16:45", "valueSize": 1 } ], "id": 8920, "nodeType": "InlineAssembly", "src": "3138:98:45" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8922, "name": "_contractWhitelist", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9664, "src": "3254:18:45", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_bool_$", "typeString": "mapping(address => bool)" } }, "id": 8924, "indexExpression": { "argumentTypes": null, "id": 8923, "name": "tokenAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8915, "src": "3273:12:45", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3254:32:45", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "70726f766964656420746f6b656e41646472657373206973206e6f742077686974656c6973746564", "id": 8925, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3288:42:45", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_d6f36190bb0602e32e72016fc9d55735c428c14ee06e9999974578d6c009c7ad", "typeString": "literal_string \"provided tokenAddress is not whitelisted\"" }, "value": "provided tokenAddress is not whitelisted" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_d6f36190bb0602e32e72016fc9d55735c428c14ee06e9999974578d6c009c7ad", "typeString": "literal_string \"provided tokenAddress is not whitelisted\"" } ], "id": 8921, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "3246:7:45", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 8926, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3246:85:45", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8927, "nodeType": "ExpressionStatement", "src": "3246:85:45" }, { "condition": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8928, "name": "_burnList", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9668, "src": "3346:9:45", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_bool_$", "typeString": "mapping(address => bool)" } }, "id": 8930, "indexExpression": { "argumentTypes": null, "id": 8929, "name": "tokenAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8915, "src": "3356:12:45", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3346:23:45", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 8950, "nodeType": "Block", "src": "3460:86:45", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8942, "name": "tokenAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8915, "src": "3487:12:45", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8945, "name": "recipientAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8912, "src": "3509:16:45", "typeDescriptions": { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } ], "id": 8944, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "3501:7:45", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 8943, "name": "address", "nodeType": "ElementaryTypeName", "src": "3501:7:45", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 8946, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3501:25:45", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 8947, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8877, "src": "3528:6:45", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 8941, "name": "releaseERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7610, "src": "3474:12:45", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 8948, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3474:61:45", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8949, "nodeType": "ExpressionStatement", "src": "3474:61:45" } ] }, "id": 8951, "nodeType": "IfStatement", "src": "3342:204:45", "trueBody": { "id": 8940, "nodeType": "Block", "src": "3371:83:45", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8932, "name": "tokenAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8915, "src": "3395:12:45", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8935, "name": "recipientAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8912, "src": "3417:16:45", "typeDescriptions": { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } ], "id": 8934, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "3409:7:45", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 8933, "name": "address", "nodeType": "ElementaryTypeName", "src": "3409:7:45", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 8936, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3409:25:45", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 8937, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8877, "src": "3436:6:45", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 8931, "name": "mintERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7634, "src": "3385:9:45", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 8938, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3385:58:45", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8939, "nodeType": "ExpressionStatement", "src": "3385:58:45" } ] } } ] }, "documentation": { "id": 8866, "nodeType": "StructuredDocumentation", "src": "1970:634:45", "text": "@notice Proposal execution should be initiated when a proposal is finalized in the Bridge contract.\nby a relayer on the deposit's destination chain.\n@param data Consists of {resourceID}, {amount}, {lenDestinationRecipientAddress},\nand {destinationRecipientAddress} all padded to 32 bytes.\n@notice Data passed into the function should be constructed as follows:\namount uint256 bytes 0 - 32\ndestinationRecipientAddress length uint256 bytes 32 - 64\ndestinationRecipientAddress bytes bytes 64 - END" }, "functionSelector": "e248cff2", "id": 8953, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 8874, "modifierName": { "argumentTypes": null, "id": 8873, "name": "onlyBridge", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9675, "src": "2693:10:45", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "2693:10:45" } ], "name": "executeProposal", "nodeType": "FunctionDefinition", "overrides": { "id": 8872, "nodeType": "OverrideSpecifier", "overrides": [], "src": "2684:8:45" }, "parameters": { "id": 8871, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8868, "mutability": "mutable", "name": "resourceID", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8953, "src": "2634:18:45", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 8867, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "2634:7:45", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 8870, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8953, "src": "2654:19:45", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 8869, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "2654:5:45", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "2633:41:45" }, "returnParameters": { "id": 8875, "nodeType": "ParameterList", "parameters": [], "src": "2704:0:45" }, "scope": 8996, "src": "2609:943:45", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "baseFunctions": [ 9736 ], "body": { "id": 8994, "nodeType": "Block", "src": "4109:230:45", "statements": [ { "assignments": [ 8963 ], "declarations": [ { "constant": false, "id": 8963, "mutability": "mutable", "name": "tokenAddress", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8994, "src": "4119:20:45", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8962, "name": "address", "nodeType": "ElementaryTypeName", "src": "4119:7:45", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 8964, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "4119:20:45" }, { "assignments": [ 8966 ], "declarations": [ { "constant": false, "id": 8966, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8994, "src": "4149:17:45", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8965, "name": "address", "nodeType": "ElementaryTypeName", "src": "4149:7:45", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 8967, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "4149:17:45" }, { "assignments": [ 8969 ], "declarations": [ { "constant": false, "id": 8969, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8994, "src": "4176:11:45", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8968, "name": "uint", "nodeType": "ElementaryTypeName", "src": "4176:4:45", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 8970, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "4176:11:45" }, { "expression": { "argumentTypes": null, "id": 8986, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "components": [ { "argumentTypes": null, "id": 8971, "name": "tokenAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8963, "src": "4199:12:45", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 8972, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8966, "src": 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8796, "name": "Identifier", "src": "623:13:45" } ], "id": 8797, "name": "ModifierInvocation", "src": "608:29:45" }, { "attributes": { "statements": [ null ] }, "children": [], "id": 8799, "name": "Block", "src": "638:7:45" } ], "id": 8800, "name": "FunctionDefinition", "src": "543:102:45" }, { "attributes": { "baseFunctions": [ 9807 ], "functionSelector": "b07e54bb", "implemented": true, "isConstructor": false, "kind": "function", "name": "deposit", "scope": 8996, "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, "children": [ { "attributes": { "text": "@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:\namount uint256 bytes 0 - 32\n@dev Depending 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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 } }