{ "contractName": "MetaCoin", "abi": [ { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "_from", "type": "address" }, { "indexed": true, "name": "_to", "type": "address" }, { "indexed": false, "name": "_value", "type": "uint256" } ], "name": "Transfer", "type": "event" }, { "constant": false, "inputs": [ { "name": "receiver", "type": "address" }, { "name": "amount", "type": "uint256" } ], "name": "sendCoin", "outputs": [ { "name": "sufficient", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "addr", "type": "address" } ], "name": "getBalanceInEth", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "addr", "type": "address" } ], "name": "getBalance", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "metadata": 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"source": "pragma solidity >=0.4.25 <0.6.0;\n\nimport \"./ConvertLib.sol\";\n\n// This is just a simple example of a coin-like contract.\n// It is not standards compatible and cannot be expected to talk to other\n// coin/token contracts. If you want to create a standards-compliant\n// token, see: https://github.com/ConsenSys/Tokens. Cheers!\n\ncontract MetaCoin {\n\tmapping (address => uint) balances;\n\n\tevent Transfer(address indexed _from, address indexed _to, uint256 _value);\n\n\tconstructor() public {\n\t\tbalances[tx.origin] = 10000;\n\t}\n\n\tfunction sendCoin(address receiver, uint amount) public returns(bool sufficient) {\n\t\tif (balances[msg.sender] < amount) return false;\n\t\tbalances[msg.sender] -= amount;\n\t\tbalances[receiver] += amount;\n\t\temit Transfer(msg.sender, receiver, amount);\n\t\treturn true;\n\t}\n\n\tfunction getBalanceInEth(address addr) public view returns(uint){\n\t\treturn ConvertLib.convert(getBalance(addr),2);\n\t}\n\n\tfunction getBalance(address addr) public view returns(uint) {\n\t\treturn balances[addr];\n\t}\n}\n", "sourcePath": "/Users/tyler/projects/truffle/packages/truffle/test/sources/networks/metacoin/contracts/MetaCoin.sol", "ast": { "absolutePath": "/Users/tyler/projects/truffle/packages/truffle/test/sources/networks/metacoin/contracts/MetaCoin.sol", "exportedSymbols": { "MetaCoin": [ 112 ] }, "id": 113, "nodeType": "SourceUnit", "nodes": [ { "id": 18, "literals": [ "solidity", ">=", "0.4", ".25", "<", "0.6", ".0" ], "nodeType": "PragmaDirective", "src": "0:32:1" }, { "absolutePath": "/Users/tyler/projects/truffle/packages/truffle/test/sources/networks/metacoin/contracts/ConvertLib.sol", "file": "./ConvertLib.sol", "id": 19, "nodeType": "ImportDirective", "scope": 113, "sourceUnit": 17, "src": "34:26:1", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": null, "fullyImplemented": true, "id": 112, "linearizedBaseContracts": [ 112 ], "name": "MetaCoin", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 23, "name": "balances", "nodeType": "VariableDeclaration", "scope": 112, "src": "345:34:1", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "typeName": { "id": 22, "keyType": { "id": 20, "name": "address", "nodeType": "ElementaryTypeName", "src": "354:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "345:25:1", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "valueType": { "id": 21, "name": "uint", "nodeType": "ElementaryTypeName", "src": "365:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, "value": null, "visibility": "internal" }, { "anonymous": false, "documentation": null, "id": 31, "name": "Transfer", "nodeType": "EventDefinition", "parameters": { "id": 30, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 25, "indexed": true, "name": "_from", "nodeType": "VariableDeclaration", "scope": 31, "src": "398:21:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 24, "name": "address", "nodeType": "ElementaryTypeName", "src": "398:7:1", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 27, "indexed": true, "name": "_to", "nodeType": "VariableDeclaration", "scope": 31, "src": "421:19:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 26, "name": "address", "nodeType": "ElementaryTypeName", "src": "421:7:1", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 29, "indexed": false, "name": "_value", "nodeType": "VariableDeclaration", "scope": 31, "src": "442:14:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 28, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "442:7:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "397:60:1" }, "src": "383:75:1" }, { "body": { "id": 41, "nodeType": "Block", "src": "482:35:1", "statements": [ { "expression": { "argumentTypes": null, "id": 39, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 34, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23, "src": "486:8:1", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 37, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 35, "name": "tx", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 196, "src": "495:2:1", "typeDescriptions": { "typeIdentifier": "t_magic_transaction", "typeString": "tx" } }, "id": 36, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "origin", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "495:9:1", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "486:19:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "3130303030", "id": 38, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "508:5:1", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_10000_by_1", "typeString": "int_const 10000" }, "value": "10000" }, "src": "486:27:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 40, "nodeType": "ExpressionStatement", "src": "486:27:1" } ] }, "documentation": null, "id": 42, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 32, "nodeType": "ParameterList", "parameters": [], "src": "472:2:1" }, "returnParameters": { "id": 33, "nodeType": "ParameterList", "parameters": [], "src": "482:0:1" }, "scope": 112, "src": "461:56:1", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 82, "nodeType": "Block", "src": "601:183:1", "statements": [ { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 56, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 51, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23, "src": "609:8:1", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 54, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 52, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 184, "src": "618:3:1", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 53, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "618:10:1", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "609:20:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "id": 55, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46, "src": "632:6:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "609:29:1", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 59, "nodeType": "IfStatement", "src": "605:47:1", "trueBody": { "expression": { "argumentTypes": null, "hexValue": "66616c7365", "id": 57, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "647:5:1", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "false" }, "functionReturnParameters": 50, "id": 58, "nodeType": "Return", "src": "640:12:1" } }, { "expression": { "argumentTypes": null, "id": 65, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 60, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23, "src": "656:8:1", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 63, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 61, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 184, "src": "665:3:1", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 62, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "665:10:1", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "656:20:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "argumentTypes": null, "id": 64, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46, "src": "680:6:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "656:30:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 66, "nodeType": "ExpressionStatement", "src": "656:30:1" }, { "expression": { "argumentTypes": null, "id": 71, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 67, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23, "src": "690:8:1", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 69, "indexExpression": { "argumentTypes": null, "id": 68, "name": "receiver", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 44, "src": "699:8:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "690:18:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "argumentTypes": null, "id": 70, "name": "amount", "nodeType": 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