{ "contractName": "EtherToken", "abi": [ { "constant": true, "inputs": [], "name": "name", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "spender", "type": "address" }, { "name": "value", "type": "uint256" } ], "name": "approve", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "totalSupply", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "from", "type": "address" }, { "name": "to", "type": "address" }, { "name": "value", "type": "uint256" } ], "name": "transferFrom", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "decimals", "outputs": [ { "name": "", "type": "uint8" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "symbol", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "to", "type": "address" }, { "name": "value", "type": "uint256" } ], "name": "transfer", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "owner", "type": "address" }, { "name": "spender", "type": "address" } ], "name": "allowance", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "sender", "type": "address" }, { "indexed": false, "name": "value", "type": "uint256" } ], "name": "Deposit", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "receiver", "type": "address" }, { "indexed": false, "name": "value", "type": "uint256" } ], "name": "Withdrawal", "type": "event" }, { "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" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "owner", "type": "address" }, { "indexed": true, "name": "spender", "type": "address" }, { "indexed": false, "name": "value", "type": "uint256" } ], "name": "Approval", "type": "event" }, { "constant": false, "inputs": [], "name": "deposit", "outputs": [], "payable": true, "stateMutability": "payable", "type": "function" }, { "constant": false, "inputs": [ { "name": "value", "type": "uint256" } ], "name": "withdraw", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "bytecode": 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"source": "pragma solidity ^0.5.2;\nimport \"./GnosisStandardToken.sol\";\n\n/// @title Token contract - Token exchanging Ether 1:1\n/// @author Stefan George - \ncontract EtherToken is GnosisStandardToken {\n using GnosisMath for *;\n\n /*\n * Events\n */\n event Deposit(address indexed sender, uint value);\n event Withdrawal(address indexed receiver, uint value);\n\n /*\n * Constants\n */\n string public constant name = \"Ether Token\";\n string public constant symbol = \"ETH\";\n uint8 public constant decimals = 18;\n\n /*\n * Public functions\n */\n /// @dev Buys tokens with Ether, exchanging them 1:1\n function deposit() public payable {\n balances[msg.sender] = balances[msg.sender].add(msg.value);\n totalTokens = totalTokens.add(msg.value);\n emit Deposit(msg.sender, msg.value);\n }\n\n /// @dev Sells tokens in exchange for Ether, exchanging them 1:1\n /// @param value Number of tokens to sell\n function withdraw(uint value) public {\n // Balance covers value\n balances[msg.sender] = balances[msg.sender].sub(value);\n totalTokens = totalTokens.sub(value);\n msg.sender.transfer(value);\n emit Withdrawal(msg.sender, value);\n }\n}\n", "sourcePath": "@gnosis.pm/util-contracts/contracts/EtherToken.sol", "ast": { "absolutePath": "@gnosis.pm/util-contracts/contracts/EtherToken.sol", "exportedSymbols": { "EtherToken": [ 184 ] }, "id": 185, "nodeType": "SourceUnit", "nodes": [ { "id": 84, "literals": [ "solidity", "^", "0.5", ".2" ], "nodeType": "PragmaDirective", "src": "0:23:3" }, { "absolutePath": "@gnosis.pm/util-contracts/contracts/GnosisStandardToken.sol", "file": "./GnosisStandardToken.sol", "id": 85, "nodeType": "ImportDirective", "scope": 185, "sourceUnit": 397, "src": "24:35:3", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 86, "name": "GnosisStandardToken", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 396, "src": "186:19:3", "typeDescriptions": { "typeIdentifier": "t_contract$_GnosisStandardToken_$396", "typeString": "contract GnosisStandardToken" } }, "id": 87, "nodeType": "InheritanceSpecifier", "src": "186:19:3" } ], "contractDependencies": [ 202, 396, 1630 ], "contractKind": "contract", "documentation": "@title Token contract - Token exchanging Ether 1:1\n @author Stefan George - ", "fullyImplemented": true, "id": 184, "linearizedBaseContracts": [ 184, 396, 202, 1630 ], "name": "EtherToken", "nodeType": "ContractDefinition", "nodes": [ { "id": 89, "libraryName": { "contractScope": null, "id": 88, "name": "GnosisMath", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1525, "src": "218:10:3", "typeDescriptions": { "typeIdentifier": "t_contract$_GnosisMath_$1525", "typeString": "library GnosisMath" } }, "nodeType": "UsingForDirective", "src": "212:23:3", "typeName": null }, { "anonymous": false, "documentation": null, "id": 95, "name": "Deposit", "nodeType": "EventDefinition", "parameters": { "id": 94, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 91, "indexed": true, "name": "sender", "nodeType": "VariableDeclaration", "scope": 95, "src": "285:22:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 90, "name": "address", "nodeType": "ElementaryTypeName", "src": "285:7:3", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 93, "indexed": false, "name": "value", "nodeType": "VariableDeclaration", "scope": 95, "src": "309:10:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 92, "name": "uint", "nodeType": "ElementaryTypeName", "src": "309:4:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "284:36:3" }, "src": "271:50:3" }, { "anonymous": false, "documentation": null, "id": 101, "name": "Withdrawal", "nodeType": "EventDefinition", "parameters": { "id": 100, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 97, "indexed": true, "name": "receiver", "nodeType": "VariableDeclaration", "scope": 101, "src": "343:24:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 96, "name": "address", "nodeType": "ElementaryTypeName", "src": "343:7:3", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 99, "indexed": false, "name": "value", "nodeType": "VariableDeclaration", "scope": 101, "src": "369:10:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 98, "name": "uint", "nodeType": "ElementaryTypeName", "src": "369:4:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "342:38:3" }, "src": "326:55:3" }, { "constant": true, "id": 104, "name": "name", "nodeType": "VariableDeclaration", "scope": 184, "src": "420:43:3", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory", "typeString": "string" }, "typeName": { "id": 102, "name": "string", "nodeType": "ElementaryTypeName", "src": "420:6:3", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": { "argumentTypes": null, "hexValue": "457468657220546f6b656e", "id": 103, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "450:13:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_5183d46069fc1711f0a0e1193b8720aa63106225f6d8c86be32c7b593cbf1795", "typeString": "literal_string \"Ether Token\"" }, "value": "Ether Token" }, "visibility": "public" }, { "constant": true, "id": 107, "name": "symbol", "nodeType": "VariableDeclaration", "scope": 184, "src": "469:37:3", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory", "typeString": "string" }, "typeName": { "id": 105, "name": "string", "nodeType": "ElementaryTypeName", "src": "469:6:3", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": { "argumentTypes": null, "hexValue": "455448", "id": 106, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "501:5:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_aaaebeba3810b1e6b70781f14b2d72c1cb89c0b2b320c43bb67ff79f562f5ff4", "typeString": "literal_string \"ETH\"" }, "value": "ETH" }, "visibility": "public" }, { "constant": true, "id": 110, "name": "decimals", "nodeType": "VariableDeclaration", "scope": 184, "src": "512:35:3", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 108, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "512:5:3", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "argumentTypes": null, "hexValue": "3138", "id": 109, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "545:2:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_18_by_1", "typeString": "int_const 18" }, "value": "18" }, "visibility": "public" }, { "body": { "id": 142, "nodeType": "Block", "src": "685:170:3", "statements": [ { "expression": { "argumentTypes": null, "id": 125, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 113, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 193, "src": "695:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 116, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 114, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1645, "src": "704:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 115, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "704:10:3", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "695:20:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 122, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1645, "src": "743:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 123, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "value", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "743:9:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 117, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 193, "src": "718:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 120, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 118, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1645, "src": "727:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 119, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "727:10:3", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "718:20:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 121, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 1331, "src": "718:24:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 124, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "718:35:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "695:58:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 126, "nodeType": "ExpressionStatement", "src": "695:58:3" }, { "expression": { "argumentTypes": null, "id": 133, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 127, "name": "totalTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 201, "src": "763:11:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 130, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1645, "src": "793:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 131, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "value", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "793:9:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 128, "name": "totalTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 201, "src": "777:11:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 129, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 1331, "src": "777:15:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 132, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "777:26:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "763:40:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 134, "nodeType": "ExpressionStatement", "src": "763:40:3" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 136, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1645, "src": "826:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 137, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "826:10:3", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 138, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1645, "src": "838:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 139, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "value", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "838:9:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 135, "name": "Deposit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 95, "src": "818:7:3", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256)" } }, "id": 140, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "818:30:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 141, "nodeType": "EmitStatement", "src": "813:35:3" } ] }, "documentation": "@dev Buys tokens with Ether, exchanging them 1:1", "id": 143, "implemented": true, "kind": "function", "modifiers": [], "name": "deposit", "nodeType": "FunctionDefinition", "parameters": { "id": 111, "nodeType": "ParameterList", "parameters": [], "src": "667:2:3" }, "returnParameters": { "id": 112, "nodeType": "ParameterList", "parameters": [], "src": "685:0:3" }, "scope": 184, "src": "651:204:3", "stateMutability": "payable", "superFunction": null, "visibility": "public" }, { "body": { "id": 182, "nodeType": "Block", "src": "1013:229:3", "statements": [ { "expression": { "argumentTypes": null, "id": 159, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 148, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 193, "src": "1055:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 151, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 149, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1645, "src": "1064:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 150, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1064:10:3", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1055:20:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 157, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 145, "src": "1103:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 152, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 193, "src": "1078:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 155, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 153, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1645, "src": "1087:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 154, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1087:10:3", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1078:20:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 156, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 1352, "src": "1078:24:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 158, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1078:31:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1055:54:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 160, "nodeType": "ExpressionStatement", "src": "1055:54:3" }, { "expression": { "argumentTypes": null, "id": 166, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 161, "name": "totalTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 201, "src": "1119:11:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 164, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 145, "src": "1149:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 162, "name": "totalTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 201, "src": "1133:11:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 163, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 1352, "src": "1133:15:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 165, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1133:22:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1119:36:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 167, "nodeType": "ExpressionStatement", "src": "1119:36:3" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 173, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 145, "src": "1185:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": 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"devdoc": { "author": "Stefan George - ", "methods": { "allowance(address,address)": { "details": "Returns number of allowed tokens for given address", "params": { "owner": "Address of token owner", "spender": "Address of token spender" }, "return": "Remaining allowance for spender" }, "approve(address,uint256)": { "details": "Sets approved amount of tokens for spender. Returns success", "params": { "spender": "Address of allowed account", "value": "Number of approved tokens" }, "return": "Was approval successful?" }, "balanceOf(address)": { "details": "Returns number of tokens owned by given address", "params": { "owner": "Address of token owner" }, "return": "Balance of owner" }, "deposit()": { "details": "Buys tokens with Ether, exchanging them 1:1" }, "totalSupply()": { "details": "Returns total supply of tokens", "return": "Total supply" }, "transfer(address,uint256)": { "details": "Transfers sender's tokens to a given address. Returns success", "params": { "to": "Address of token receiver", "value": "Number of tokens to transfer" }, "return": "Was transfer successful?" }, "transferFrom(address,address,uint256)": { "details": "Allows allowed third party to transfer tokens from one address to another. Returns success", "params": { "from": "Address from where tokens are withdrawn", "to": "Address to where tokens are sent", "value": "Number of tokens to transfer" }, "return": "Was transfer successful?" }, "withdraw(uint256)": { "details": "Sells tokens in exchange for Ether, exchanging them 1:1", "params": { "value": "Number of tokens to sell" } } }, "title": "Token contract - Token exchanging Ether 1:1" }, "userdoc": { "methods": {} } }