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"internalType": "address", "name": "who", "type": "address" } ], "name": "balanceOf", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "address", "name": "spender", "type": "address" } ], "name": "allowance", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "metadata": 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https://github.com/ethereum/EIPs/issues/20\",\"methods\":{},\"title\":\"ERC20 interface\"},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"openzeppelin-solidity/contracts/token/ERC20/IERC20.sol\":\"IERC20\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"openzeppelin-solidity/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x079c4e23ee448f529e43bfa3c4e8fb4be52cd0318ee923a276835bedf45b93d8\",\"urls\":[\"bzz-raw://ee762ff5b7746e41d27dcbcea00c7a3034b58adb1b45ddadddb5b721aff450df\",\"dweb:/ipfs/QmdxqtgEFZjHCoiYyz6pUAQ5iBm7As25jcyEbZoTaAgyDa\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity ^0.5.0;\n\n/**\n * @title ERC20 interface\n * @dev see https://github.com/ethereum/EIPs/issues/20\n */\ninterface IERC20 {\n function transfer(address to, uint256 value) external returns (bool);\n\n function approve(address spender, uint256 value) external returns (bool);\n\n function transferFrom(address from, address to, uint256 value) external returns (bool);\n\n function totalSupply() external view returns (uint256);\n\n function balanceOf(address who) external view returns (uint256);\n\n function allowance(address owner, address spender) external view returns (uint256);\n\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n event Approval(address indexed owner, address indexed spender, uint256 value);\n}\n", "sourcePath": "openzeppelin-solidity/contracts/token/ERC20/IERC20.sol", "ast": { "absolutePath": "openzeppelin-solidity/contracts/token/ERC20/IERC20.sol", "exportedSymbols": { "IERC20": [ 22137 ] }, "id": 22138, "nodeType": "SourceUnit", "nodes": [ { "id": 22070, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:83" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "interface", "documentation": 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