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"type": "function" }, { "inputs": [], "name": "decimals", "outputs": [ { "internalType": "uint8", "name": "", "type": "uint8" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "name", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "symbol", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "totalSupply", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "value", "type": "uint256" } ], "name": "transfer", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", 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"source": "// SPDX-License-Identifier: LGPL-3.0-only\npragma solidity ^0.7.0;\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": "/Users/bensniff/Projects/gnosis/util-contracts/contracts/EtherToken.sol", "ast": { "absolutePath": "/Users/bensniff/Projects/gnosis/util-contracts/contracts/EtherToken.sol", "exportedSymbols": { "EtherToken": [ 104 ], "GnosisMath": [ 1553 ], "GnosisStandardToken": [ 330 ], "Proxied": [ 1616 ], "Proxy": [ 1667 ], "StandardTokenData": [ 123 ], "Token": [ 1903 ] }, "id": 105, "license": "LGPL-3.0-only", "nodeType": "SourceUnit", "nodes": [ { "id": 1, "literals": [ "solidity", "^", "0.7", ".0" ], "nodeType": "PragmaDirective", "src": "42:23:0" }, { "absolutePath": "/Users/bensniff/Projects/gnosis/util-contracts/contracts/GnosisStandardToken.sol", "file": "./GnosisStandardToken.sol", "id": 2, "nodeType": "ImportDirective", "scope": 105, "sourceUnit": 331, "src": "66:35:0", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 4, "name": "GnosisStandardToken", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 330, "src": "228:19:0", "typeDescriptions": { "typeIdentifier": "t_contract$_GnosisStandardToken_$330", "typeString": "contract GnosisStandardToken" } }, "id": 5, "nodeType": "InheritanceSpecifier", "src": "228:19:0" } ], "contractDependencies": [ 123, 330, 1903 ], "contractKind": "contract", "documentation": { "id": 3, "nodeType": "StructuredDocumentation", "src": "103:102:0", "text": "@title Token contract - Token exchanging Ether 1:1\n @author Stefan George - " }, "fullyImplemented": true, "id": 104, "linearizedBaseContracts": [ 104, 330, 123, 1903 ], "name": "EtherToken", "nodeType": "ContractDefinition", "nodes": [ { "id": 7, "libraryName": { "id": 6, "name": "GnosisMath", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1553, "src": "260:10:0", "typeDescriptions": { "typeIdentifier": "t_contract$_GnosisMath_$1553", "typeString": "library GnosisMath" } }, "nodeType": "UsingForDirective", "src": "254:23:0" }, { "anonymous": false, "id": 13, "name": "Deposit", "nodeType": "EventDefinition", "parameters": { "id": 12, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 9, "indexed": true, "mutability": "mutable", "name": "sender", "nodeType": "VariableDeclaration", "scope": 13, "src": "327:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8, "name": "address", "nodeType": "ElementaryTypeName", "src": "327:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 11, "indexed": false, "mutability": "mutable", "name": "value", "nodeType": "VariableDeclaration", "scope": 13, "src": "351:10:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 10, "name": "uint", "nodeType": "ElementaryTypeName", "src": "351:4:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "326:36:0" }, "src": "313:50:0" }, { "anonymous": false, "id": 19, "name": "Withdrawal", "nodeType": "EventDefinition", "parameters": { "id": 18, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 15, "indexed": true, "mutability": "mutable", "name": "receiver", "nodeType": "VariableDeclaration", "scope": 19, "src": "385:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 14, "name": "address", "nodeType": "ElementaryTypeName", "src": "385:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 17, "indexed": false, "mutability": "mutable", "name": "value", "nodeType": "VariableDeclaration", "scope": 19, "src": "411:10:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16, "name": "uint", "nodeType": "ElementaryTypeName", "src": "411:4:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "384:38:0" }, "src": "368:55:0" }, { "constant": true, "functionSelector": "06fdde03", "id": 22, "mutability": "constant", "name": "name", "nodeType": "VariableDeclaration", "scope": 104, "src": "462:43:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 20, "name": "string", "nodeType": "ElementaryTypeName", "src": "462:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": { "hexValue": "457468657220546f6b656e", "id": 21, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "492:13:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_5183d46069fc1711f0a0e1193b8720aa63106225f6d8c86be32c7b593cbf1795", "typeString": "literal_string \"Ether Token\"" }, "value": "Ether Token" }, "visibility": "public" }, { "constant": true, "functionSelector": "95d89b41", "id": 25, "mutability": "constant", "name": "symbol", "nodeType": "VariableDeclaration", "scope": 104, "src": "511:37:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 23, "name": "string", "nodeType": "ElementaryTypeName", "src": "511:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": { "hexValue": "455448", "id": 24, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "543:5:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_aaaebeba3810b1e6b70781f14b2d72c1cb89c0b2b320c43bb67ff79f562f5ff4", "typeString": "literal_string \"ETH\"" }, "value": "ETH" }, "visibility": "public" }, { "constant": true, "functionSelector": "313ce567", "id": 28, "mutability": "constant", "name": "decimals", "nodeType": "VariableDeclaration", "scope": 104, "src": "554:35:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 26, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "554:5:0", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "3138", "id": 27, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "587:2:0", "typeDescriptions": { "typeIdentifier": "t_rational_18_by_1", "typeString": "int_const 18" }, "value": "18" }, "visibility": "public" }, { "body": { "id": 61, "nodeType": "Block", "src": "727:170:0", "statements": [ { "expression": { "id": 44, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 32, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 114, "src": "737:8:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 35, "indexExpression": { "expression": { "id": 33, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -15, "src": "746:3:0", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 34, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "src": "746:10:0", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "737:20:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "expression": { "id": 41, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -15, "src": "785:3:0", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 42, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "value", "nodeType": "MemberAccess", "src": "785:9:0", "typeDescriptions": { "typeIdentifier": "t_uint256", 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36, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 114, "src": "760:8:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 39, "indexExpression": { "expression": { "id": 37, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -15, "src": "769:3:0", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 38, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "src": "769:10:0", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "760:20:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 40, 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"2e1a7d4d", "id": 103, "implemented": true, "kind": "function", "modifiers": [], "name": "withdraw", "nodeType": "FunctionDefinition", "parameters": { "id": 66, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 65, "mutability": "mutable", "name": "value", "nodeType": "VariableDeclaration", "scope": 103, "src": "1036:10:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 64, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1036:4:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1035:12:0" }, "returnParameters": { "id": 67, "nodeType": "ParameterList", "parameters": [], "src": "1055:0:0" }, "scope": 104, "src": "1018:266:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" } ], "scope": 105, "src": "205:1081:0" } ], "src": "42:1245:0" }, "compiler": { "name": "solc", "version": "0.7.5+commit.eb77ed08.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.3.1", "updatedAt": "2020-12-08T09:43:37.032Z", "devdoc": { "author": "Stefan George - ", "kind": "dev", "methods": { "allowance(address,address)": { "details": "Returns number of allowed tokens for given address", "params": { "owner": "Address of token owner", "spender": "Address of token spender" }, "returns": { "_0": "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" }, "returns": { "_0": "Was approval successful?" } }, "balanceOf(address)": { "details": "Returns number of tokens owned by given address", "params": { "owner": "Address of token owner" }, "returns": { "_0": "Balance of owner" } }, "deposit()": { "details": "Buys tokens with Ether, exchanging them 1:1" }, "totalSupply()": { "details": "Returns total supply of tokens", "returns": { "_0": "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" }, "returns": { "_0": "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" }, "returns": { "_0": "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", "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 } }