{ "abi": [ { "inputs": [ { "internalType": "string", "name": "name_", "type": "string" }, { "internalType": "string", "name": "symbol_", "type": "string" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "spender", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "value", "type": "uint256" } ], "name": "Approval", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "from", "type": "address" }, { "indexed": true, "internalType": "address", "name": "to", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "value", "type": "uint256" } ], "name": "Transfer", "type": "event" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "address", "name": "spender", "type": "address" } ], "name": "allowance", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "spender", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "approve", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "account", "type": "address" } ], "name": "balanceOf", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "decimals", "outputs": [ { "internalType": "uint8", "name": "", "type": "uint8" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "spender", "type": "address" }, { "internalType": "uint256", "name": "subtractedValue", "type": "uint256" } ], "name": "decreaseAllowance", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "spender", "type": "address" }, { "internalType": "uint256", "name": "addedValue", "type": "uint256" } ], "name": "increaseAllowance", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "nonpayable", "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": "recipient", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "transfer", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "sender", "type": "address" }, { "internalType": "address", "name": "recipient", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "transferFrom", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "nonpayable", "type": "function" } ], "bytecode": { "object": "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", "sourceMap": "1321:9474:26:-:0;;;1958:145;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;1958:145:26;;;;;;;;;;-1:-1:-1;1958:145:26;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;1958:145:26;;;;;;;;;;-1:-1:-1;1958:145:26;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;1958:145:26;;-1:-1:-1;;2032:13:26;;;;-1:-1:-1;2032:5:26;;:13;;;;;:::i;:::-;-1:-1:-1;2055:17:26;;;;:7;;:17;;;;;:::i;:::-;-1:-1:-1;;2082:9:26;:14;;-1:-1:-1;;2082:14:26;2094:2;2082:14;;;-1:-1:-1;1321:9474:26;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;1321:9474:26;;;-1:-1:-1;1321:9474:26;:::i;:::-;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;;;", "linkReferences": {} }, "deployedBytecode": { "object": "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", "sourceMap": "1321:9474:26:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2168:89;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;4244:166;;;;;;;;;;;;;;;;-1:-1:-1;4244:166:26;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;3235:106;;;:::i;:::-;;;;;;;;;;;;;;;;4877:317;;;;;;;;;;;;;;;;-1:-1:-1;4877:317:26;;;;;;;;;;;;;;;;;;:::i;3086:89::-;;;:::i;:::-;;;;;;;;;;;;;;;;;;;5589:215;;;;;;;;;;;;;;;;-1:-1:-1;5589:215:26;;;;;;;;;:::i;3399:125::-;;;;;;;;;;;;;;;;-1:-1:-1;3399:125:26;;;;:::i;2370:93::-;;;:::i;6291:266::-;;;;;;;;;;;;;;;;-1:-1:-1;6291:266:26;;;;;;;;;:::i;3727:172::-;;;;;;;;;;;;;;;;-1:-1:-1;3727:172:26;;;;;;;;;:::i;3957:149::-;;;;;;;;;;;;;;;;-1:-1:-1;3957:149:26;;;;;;;;;;;:::i;2168:89::-;2245:5;2238:12;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2213:13;;2238:12;;2245:5;;2238:12;;2245:5;2238:12;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2168:89;:::o;4244:166::-;4327:4;4343:39;4352:12;:10;:12::i;:::-;4366:7;4375:6;4343:8;:39::i;:::-;-1:-1:-1;4399:4:26;4244:166;;;;:::o;3235:106::-;3322:12;;3235:106;:::o;4877:317::-;4983:4;4999:36;5009:6;5017:9;5028:6;4999:9;:36::i;:::-;5045:121;5054:6;5062:12;:10;:12::i;:::-;5076:89;5114:6;5076:89;;;;;;;;;;;;;;;;;:19;;;;;;;:11;:19;;;;;;5096:12;:10;:12::i;:::-;5076:33;;;;;;;;;;;;;-1:-1:-1;5076:33:26;;;:89;:37;:89::i;:::-;5045:8;:121::i;:::-;-1:-1:-1;5183:4:26;4877:317;;;;;:::o;3086:89::-;3159:9;;;;3086:89;:::o;5589:215::-;5677:4;5693:83;5702:12;:10;:12::i;:::-;5716:7;5725:50;5764:10;5725:11;:25;5737:12;:10;:12::i;:::-;5725:25;;;;;;;;;;;;;;;;;;-1:-1:-1;5725:25:26;;;:34;;;;;;;;;;;:38;:50::i;3399:125::-;3499:18;;3473:7;3499:18;;;;;;;;;;;;3399:125::o;2370:93::-;2449:7;2442:14;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2417:13;;2442:14;;2449:7;;2442:14;;2449:7;2442:14;;;;;;;;;;;;;;;;;;;;;;;;6291:266;6384:4;6400:129;6409:12;:10;:12::i;:::-;6423:7;6432:96;6471:15;6432:96;;;;;;;;;;;;;;;;;:11;:25;6444:12;:10;:12::i;:::-;6432:25;;;;;;;;;;;;;;;;;;-1:-1:-1;6432:25:26;;;:34;;;;;;;;;;;:96;:38;:96::i;3727:172::-;3813:4;3829:42;3839:12;:10;:12::i;:::-;3853:9;3864:6;3829:9;:42::i;3957:149::-;4072:18;;;;4046:7;4072:18;;;:11;:18;;;;;;;;:27;;;;;;;;;;;;;3957:149::o;598:104:30:-;685:10;598:104;:::o;9355:340:26:-;9456:19;;;9448:68;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;9534:21;;;9526:68;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;9605:18;;;;;;;;:11;:18;;;;;;;;:27;;;;;;;;;;;;;:36;;;9656:32;;;;;;;;;;;;;;;;;9355:340;;;:::o;7031:530::-;7136:20;;;7128:70;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;7216:23;;;7208:71;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;7290:47;7311:6;7319:9;7330:6;7290:20;:47::i;:::-;7368:71;7390:6;7368:71;;;;;;;;;;;;;;;;;:17;;;:9;:17;;;;;;;;;;;;:71;:21;:71::i;:::-;7348:17;;;;:9;:17;;;;;;;;;;;:91;;;;7472:20;;;;;;;:32;;7497:6;7472:24;:32::i;:::-;7449:20;;;;:9;:20;;;;;;;;;;;;:55;;;;7519:35;;;;;;;7449:20;;7519:35;;;;;;;;;;;;;7031:530;;;:::o;5432:163:24:-;5518:7;5553:12;5545:6;;;;5537:29;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;5583:5:24;;;5432:163::o;2690:175::-;2748:7;2779:5;;;2802:6;;;;2794:46;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2857:1;2690:175;-1:-1:-1;;;2690:175:24:o;10701:92:26:-;;;;:::o", "linkReferences": {} }, "methodIdentifiers": { "allowance(address,address)": "dd62ed3e", "approve(address,uint256)": "095ea7b3", "balanceOf(address)": "70a08231", "decimals()": "313ce567", "decreaseAllowance(address,uint256)": "a457c2d7", "increaseAllowance(address,uint256)": "39509351", "name()": "06fdde03", "symbol()": "95d89b41", "totalSupply()": "18160ddd", "transfer(address,uint256)": "a9059cbb", "transferFrom(address,address,uint256)": "23b872dd" }, "ast": { "absolutePath": "node_modules/@openzeppelin/contracts/token/ERC20/ERC20.sol", "id": 27440, "exportedSymbols": { "Context": [ 28049 ], "ERC20": [ 27439 ], "IERC20": [ 27517 ], "SafeMath": [ 26851 ] }, "nodeType": "SourceUnit", "src": "33:10763:26", "nodes": [ { "id": 26938, "nodeType": "PragmaDirective", "src": "33:31:26", "literals": [ "solidity", ">=", "0.6", ".0", "<", "0.8", ".0" ] }, { "id": 26939, "nodeType": "ImportDirective", "src": "66:33:26", "absolutePath": "node_modules/@openzeppelin/contracts/utils/Context.sol", "file": "../../utils/Context.sol", "scope": 27440, "sourceUnit": 28050, "symbolAliases": [], "unitAlias": "" }, { "id": 26940, "nodeType": "ImportDirective", "src": "100:22:26", "absolutePath": "node_modules/@openzeppelin/contracts/token/ERC20/IERC20.sol", "file": "./IERC20.sol", "scope": 27440, "sourceUnit": 27518, "symbolAliases": [], "unitAlias": "" }, { "id": 26941, "nodeType": "ImportDirective", "src": "123:33:26", "absolutePath": "node_modules/@openzeppelin/contracts/math/SafeMath.sol", "file": "../../math/SafeMath.sol", "scope": 27440, "sourceUnit": 26852, "symbolAliases": [], "unitAlias": "" }, { "id": 27439, "nodeType": "ContractDefinition", "src": "1321:9474:26", "nodes": [ { "id": 26949, "nodeType": "UsingForDirective", "src": "1361:27:26", "libraryName": { "id": 26947, "name": "SafeMath", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 26851, "src": "1367:8:26", "typeDescriptions": { "typeIdentifier": "t_contract$_SafeMath_$26851", "typeString": "library SafeMath" } }, "typeName": { "id": 26948, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1380:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, { "id": 26953, "nodeType": "VariableDeclaration", "src": "1394:46:26", "constant": false, "mutability": "mutable", "name": "_balances", "scope": 27439, "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "typeName": { "id": 26952, "keyType": { "id": 26950, "name": "address", "nodeType": "ElementaryTypeName", "src": "1403:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "1394:28:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "valueType": { "id": 26951, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1414:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, "visibility": "private" }, { "id": 26959, "nodeType": "VariableDeclaration", "src": "1447:69:26", "constant": false, "mutability": "mutable", "name": "_allowances", "scope": 27439, "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" }, "typeName": { "id": 26958, "keyType": { "id": 26954, "name": "address", "nodeType": "ElementaryTypeName", "src": "1456:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "1447:49:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" }, "valueType": { "id": 26957, "keyType": { "id": 26955, "name": "address", "nodeType": "ElementaryTypeName", "src": "1476:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "1467:28:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "valueType": { "id": 26956, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1487:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } } }, "visibility": "private" }, { "id": 26961, "nodeType": "VariableDeclaration", "src": "1523:28:26", "constant": false, "mutability": "mutable", "name": "_totalSupply", "scope": 27439, "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 26960, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1523:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "private" }, { "id": 26963, "nodeType": "VariableDeclaration", "src": "1558:20:26", "constant": false, "mutability": "mutable", "name": "_name", "scope": 27439, "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string" }, "typeName": { "id": 26962, "name": "string", "nodeType": "ElementaryTypeName", "src": "1558:6:26", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "private" }, { "id": 26965, "nodeType": "VariableDeclaration", "src": "1584:22:26", "constant": false, "mutability": "mutable", "name": "_symbol", "scope": 27439, "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string" }, "typeName": { "id": 26964, "name": "string", "nodeType": "ElementaryTypeName", "src": "1584:6:26", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "private" }, { "id": 26967, "nodeType": "VariableDeclaration", "src": "1612:23:26", "constant": false, "mutability": "mutable", "name": "_decimals", "scope": 27439, "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 26966, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "1612:5:26", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "private" }, { "id": 26988, "nodeType": "FunctionDefinition", "src": "1958:145:26", "body": { "id": 26987, "nodeType": "Block", "src": "2022:81:26", "statements": [ { "expression": { "id": 26977, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 26975, "name": "_name", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26963, "src": "2032:5:26", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 26976, "name": "name_", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26970, "src": "2040:5:26", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "src": "2032:13:26", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "id": 26978, "nodeType": "ExpressionStatement", "src": "2032:13:26" }, { "expression": { "id": 26981, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 26979, "name": "_symbol", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26965, "src": "2055:7:26", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 26980, "name": "symbol_", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26972, "src": "2065:7:26", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "src": "2055:17:26", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "id": 26982, "nodeType": "ExpressionStatement", "src": "2055:17:26" }, { "expression": { "id": 26985, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 26983, "name": "_decimals", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26967, "src": "2082:9:26", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "hexValue": "3138", "id": 26984, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2094:2:26", "typeDescriptions": { "typeIdentifier": "t_rational_18_by_1", "typeString": "int_const 18" }, "value": "18" }, "src": "2082:14:26", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "id": 26986, "nodeType": "ExpressionStatement", "src": "2082:14:26" } ] }, "documentation": { "id": 26968, "nodeType": "StructuredDocumentation", "src": "1642:311:26", "text": " @dev Sets the values for {name} and {symbol}, initializes {decimals} with\n a default value of 18.\n To select a different value for {decimals}, use {_setupDecimals}.\n All three of these values are immutable: they can only be set once during\n construction." }, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "parameters": { "id": 26973, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 26970, "mutability": "mutable", "name": "name_", "nodeType": "VariableDeclaration", "scope": 26988, "src": "1971:19:26", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 26969, "name": "string", "nodeType": "ElementaryTypeName", "src": "1971:6:26", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" }, { "constant": false, "id": 26972, "mutability": "mutable", "name": "symbol_", "nodeType": "VariableDeclaration", "scope": 26988, "src": "1992:21:26", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 26971, "name": "string", "nodeType": "ElementaryTypeName", "src": "1992:6:26", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "1970:44:26" }, "returnParameters": { "id": 26974, "nodeType": "ParameterList", "parameters": [], "src": "2022:0:26" }, "scope": 27439, "stateMutability": "nonpayable", "virtual": false, "visibility": "public" }, { "id": 26997, "nodeType": "FunctionDefinition", "src": "2168:89:26", "body": { "id": 26996, "nodeType": "Block", "src": "2228:29:26", "statements": [ { "expression": { "id": 26994, "name": "_name", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26963, "src": "2245:5:26", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "functionReturnParameters": 26993, "id": 26995, "nodeType": "Return", "src": "2238:12:26" } ] }, "documentation": { "id": 26989, "nodeType": "StructuredDocumentation", "src": "2109:54:26", "text": " @dev Returns the name of the token." }, "functionSelector": "06fdde03", "implemented": true, "kind": "function", "modifiers": [], "name": "name", "parameters": { "id": 26990, "nodeType": "ParameterList", "parameters": [], "src": "2181:2:26" }, "returnParameters": { "id": 26993, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 26992, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 26997, "src": "2213:13:26", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 26991, "name": "string", "nodeType": "ElementaryTypeName", "src": "2213:6:26", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "2212:15:26" }, "scope": 27439, "stateMutability": "view", "virtual": true, "visibility": "public" }, { "id": 27006, "nodeType": "FunctionDefinition", "src": "2370:93:26", "body": { "id": 27005, "nodeType": "Block", "src": "2432:31:26", "statements": [ { "expression": { "id": 27003, "name": "_symbol", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26965, "src": "2449:7:26", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "functionReturnParameters": 27002, "id": 27004, "nodeType": "Return", "src": "2442:14:26" } ] }, "documentation": { "id": 26998, "nodeType": "StructuredDocumentation", "src": "2263:102:26", "text": " @dev Returns the symbol of the token, usually a shorter version of the\n name." }, "functionSelector": "95d89b41", "implemented": true, "kind": "function", "modifiers": [], "name": "symbol", "parameters": { "id": 26999, "nodeType": "ParameterList", "parameters": [], "src": "2385:2:26" }, "returnParameters": { "id": 27002, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27001, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 27006, "src": "2417:13:26", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 27000, "name": "string", "nodeType": "ElementaryTypeName", "src": "2417:6:26", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "2416:15:26" }, "scope": 27439, "stateMutability": "view", "virtual": true, "visibility": "public" }, { "id": 27015, "nodeType": "FunctionDefinition", "src": "3086:89:26", "body": { "id": 27014, "nodeType": "Block", "src": "3142:33:26", "statements": [ { "expression": { "id": 27012, "name": "_decimals", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26967, "src": "3159:9:26", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "functionReturnParameters": 27011, "id": 27013, "nodeType": "Return", "src": "3152:16:26" } ] }, "documentation": { "id": 27007, "nodeType": "StructuredDocumentation", "src": "2469:612:26", "text": " @dev Returns the number of decimals used to get its user representation.\n For example, if `decimals` equals `2`, a balance of `505` tokens should\n be displayed to a user as `5,05` (`505 / 10 ** 2`).\n Tokens usually opt for a value of 18, imitating the relationship between\n Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is\n called.\n NOTE: This information is only used for _display_ purposes: it in\n no way affects any of the arithmetic of the contract, including\n {IERC20-balanceOf} and {IERC20-transfer}." }, "functionSelector": "313ce567", "implemented": true, "kind": "function", "modifiers": [], "name": "decimals", "parameters": { "id": 27008, "nodeType": "ParameterList", "parameters": [], "src": "3103:2:26" }, "returnParameters": { "id": 27011, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27010, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 27015, "src": "3135:5:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 27009, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "3135:5:26", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" } ], "src": "3134:7:26" }, "scope": 27439, "stateMutability": "view", "virtual": true, "visibility": "public" }, { "id": 27025, "nodeType": "FunctionDefinition", "src": "3235:106:26", "body": { "id": 27024, "nodeType": "Block", "src": "3305:36:26", "statements": [ { "expression": { "id": 27022, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26961, "src": "3322:12:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 27021, "id": 27023, "nodeType": "Return", "src": "3315:19:26" } ] }, "baseFunctions": [ 27448 ], "documentation": { "id": 27016, "nodeType": "StructuredDocumentation", "src": "3181:49:26", "text": " @dev See {IERC20-totalSupply}." }, "functionSelector": "18160ddd", "implemented": true, "kind": "function", "modifiers": [], "name": "totalSupply", "overrides": { "id": 27018, "nodeType": "OverrideSpecifier", "overrides": [], "src": "3278:8:26" }, "parameters": { "id": 27017, "nodeType": "ParameterList", "parameters": [], "src": "3255:2:26" }, "returnParameters": { "id": 27021, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27020, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 27025, "src": "3296:7:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27019, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3296:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3295:9:26" }, "scope": 27439, "stateMutability": "view", "virtual": true, "visibility": "public" }, { "id": 27039, "nodeType": "FunctionDefinition", "src": "3399:125:26", "body": { "id": 27038, "nodeType": "Block", "src": "3482:42:26", "statements": [ { "expression": { "baseExpression": { "id": 27034, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26953, "src": "3499:9:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 27036, "indexExpression": { "id": 27035, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27028, "src": "3509:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3499:18:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 27033, "id": 27037, "nodeType": "Return", "src": "3492:25:26" } ] }, "baseFunctions": [ 27456 ], "documentation": { "id": 27026, "nodeType": "StructuredDocumentation", "src": "3347:47:26", "text": " @dev See {IERC20-balanceOf}." }, "functionSelector": "70a08231", "implemented": true, "kind": "function", "modifiers": [], "name": "balanceOf", "overrides": { "id": 27030, "nodeType": "OverrideSpecifier", "overrides": [], "src": "3455:8:26" }, "parameters": { "id": 27029, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27028, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "scope": 27039, "src": "3418:15:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27027, "name": "address", "nodeType": "ElementaryTypeName", "src": "3418:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "3417:17:26" }, "returnParameters": { "id": 27033, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27032, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 27039, "src": "3473:7:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27031, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3473:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3472:9:26" }, "scope": 27439, "stateMutability": "view", "virtual": true, "visibility": "public" }, { "id": 27060, "nodeType": "FunctionDefinition", "src": "3727:172:26", "body": { "id": 27059, "nodeType": "Block", "src": "3819:80:26", "statements": [ { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 27051, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 28037, "src": "3839:10:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 27052, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3839:12:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "id": 27053, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27042, "src": "3853:9:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 27054, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27044, "src": "3864:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 27050, "name": "_transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27260, "src": "3829:9:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 27055, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3829:42:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27056, "nodeType": "ExpressionStatement", "src": "3829:42:26" }, { "expression": { "hexValue": "74727565", "id": 27057, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "3888:4:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 27049, "id": 27058, "nodeType": "Return", "src": "3881:11:26" } ] }, "baseFunctions": [ 27466 ], "documentation": { "id": 27040, "nodeType": "StructuredDocumentation", "src": "3530:192:26", "text": " @dev See {IERC20-transfer}.\n Requirements:\n - `recipient` cannot be the zero address.\n - the caller must have a balance of at least `amount`." }, "functionSelector": "a9059cbb", "implemented": true, "kind": "function", "modifiers": [], "name": "transfer", "overrides": { "id": 27046, "nodeType": "OverrideSpecifier", "overrides": [], "src": "3795:8:26" }, "parameters": { "id": 27045, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27042, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "scope": 27060, "src": "3745:17:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27041, "name": "address", "nodeType": "ElementaryTypeName", "src": "3745:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27044, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 27060, "src": "3764:14:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27043, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3764:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3744:35:26" }, "returnParameters": { "id": 27049, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27048, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 27060, "src": "3813:4:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 27047, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3813:4:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "3812:6:26" }, "scope": 27439, "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "id": 27078, "nodeType": "FunctionDefinition", "src": "3957:149:26", "body": { "id": 27077, "nodeType": "Block", "src": "4055:51:26", "statements": [ { "expression": { "baseExpression": { "baseExpression": { "id": 27071, "name": "_allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26959, "src": "4072:11:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 27073, "indexExpression": { "id": 27072, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27063, "src": "4084:5:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4072:18:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 27075, "indexExpression": { "id": 27074, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27065, "src": "4091:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4072:27:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 27070, "id": 27076, "nodeType": "Return", "src": "4065:34:26" } ] }, "baseFunctions": [ 27476 ], "documentation": { "id": 27061, "nodeType": "StructuredDocumentation", "src": "3905:47:26", "text": " @dev See {IERC20-allowance}." }, "functionSelector": "dd62ed3e", "implemented": true, "kind": "function", "modifiers": [], "name": "allowance", "overrides": { "id": 27067, "nodeType": "OverrideSpecifier", "overrides": [], "src": "4028:8:26" }, "parameters": { "id": 27066, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27063, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 27078, "src": "3976:13:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27062, "name": "address", "nodeType": "ElementaryTypeName", "src": "3976:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27065, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 27078, "src": "3991:15:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27064, "name": "address", "nodeType": "ElementaryTypeName", "src": "3991:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "3975:32:26" }, "returnParameters": { "id": 27070, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27069, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 27078, "src": "4046:7:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27068, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4046:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "4045:9:26" }, "scope": 27439, "stateMutability": "view", "virtual": true, "visibility": "public" }, { "id": 27099, "nodeType": "FunctionDefinition", "src": "4244:166:26", "body": { "id": 27098, "nodeType": "Block", "src": "4333:77:26", "statements": [ { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 27090, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 28037, "src": "4352:10:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 27091, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4352:12:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "id": 27092, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27081, "src": "4366:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 27093, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27083, "src": "4375:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 27089, "name": "_approve", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27416, "src": "4343:8:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 27094, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4343:39:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27095, "nodeType": "ExpressionStatement", "src": "4343:39:26" }, { "expression": { "hexValue": "74727565", "id": 27096, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "4399:4:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 27088, "id": 27097, "nodeType": "Return", "src": "4392:11:26" } ] }, "baseFunctions": [ 27486 ], "documentation": { "id": 27079, "nodeType": "StructuredDocumentation", "src": "4112:127:26", "text": " @dev See {IERC20-approve}.\n Requirements:\n - `spender` cannot be the zero address." }, "functionSelector": "095ea7b3", "implemented": true, "kind": "function", "modifiers": [], "name": "approve", "overrides": { "id": 27085, "nodeType": "OverrideSpecifier", "overrides": [], "src": "4309:8:26" }, "parameters": { "id": 27084, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27081, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 27099, "src": "4261:15:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27080, "name": "address", "nodeType": "ElementaryTypeName", "src": "4261:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27083, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 27099, "src": "4278:14:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27082, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4278:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "4260:33:26" }, "returnParameters": { "id": 27088, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27087, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 27099, "src": "4327:4:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 27086, "name": "bool", "nodeType": "ElementaryTypeName", "src": "4327:4:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "4326:6:26" }, "scope": 27439, "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "id": 27137, "nodeType": "FunctionDefinition", "src": "4877:317:26", "body": { "id": 27136, "nodeType": "Block", "src": "4989:205:26", "statements": [ { "expression": { "arguments": [ { "id": 27113, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27102, "src": "5009:6:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 27114, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27104, "src": "5017:9:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 27115, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27106, "src": "5028:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 27112, "name": "_transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27260, "src": "4999:9:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 27116, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4999:36:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27117, "nodeType": "ExpressionStatement", "src": "4999:36:26" }, { "expression": { "arguments": [ { "id": 27119, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27102, "src": "5054:6:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [], "expression": { "argumentTypes": [], "id": 27120, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 28037, "src": "5062:10:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 27121, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5062:12:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "arguments": [ { "id": 27129, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27106, "src": "5114:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "hexValue": "45524332303a207472616e7366657220616d6f756e74206578636565647320616c6c6f77616e6365", "id": 27130, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "5122:42:26", "typeDescriptions": { "typeIdentifier": "t_stringliteral_974d1b4421da69cc60b481194f0dad36a5bb4e23da810da7a7fb30cdba178330", "typeString": "literal_string \"ERC20: transfer amount exceeds allowance\"" }, "value": "ERC20: transfer amount exceeds allowance" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_stringliteral_974d1b4421da69cc60b481194f0dad36a5bb4e23da810da7a7fb30cdba178330", "typeString": "literal_string \"ERC20: transfer amount exceeds allowance\"" } ], "expression": { "baseExpression": { "baseExpression": { "id": 27122, "name": "_allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26959, "src": "5076:11:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 27124, "indexExpression": { "id": 27123, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27102, "src": "5088:6:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5076:19:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 27127, "indexExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 27125, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 28037, "src": "5096:10:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 27126, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5096:12:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5076:33:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27128, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 26802, "src": "5076:37:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$_t_string_memory_ptr_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256,string memory) pure returns (uint256)" } }, "id": 27131, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5076:89:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 27118, "name": "_approve", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27416, "src": "5045:8:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 27132, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5045:121:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27133, "nodeType": "ExpressionStatement", "src": "5045:121:26" }, { "expression": { "hexValue": "74727565", "id": 27134, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "5183:4:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 27111, "id": 27135, "nodeType": "Return", "src": "5176:11:26" } ] }, "baseFunctions": [ 27498 ], "documentation": { "id": 27100, "nodeType": "StructuredDocumentation", "src": "4416:456:26", "text": " @dev See {IERC20-transferFrom}.\n Emits an {Approval} event indicating the updated allowance. This is not\n required by the EIP. See the note at the beginning of {ERC20}.\n Requirements:\n - `sender` and `recipient` cannot be the zero address.\n - `sender` must have a balance of at least `amount`.\n - the caller must have allowance for ``sender``'s tokens of at least\n `amount`." }, "functionSelector": "23b872dd", "implemented": true, "kind": "function", "modifiers": [], "name": "transferFrom", "overrides": { "id": 27108, "nodeType": "OverrideSpecifier", "overrides": [], "src": "4965:8:26" }, "parameters": { "id": 27107, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27102, "mutability": "mutable", "name": "sender", "nodeType": "VariableDeclaration", "scope": 27137, "src": "4899:14:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27101, "name": "address", "nodeType": "ElementaryTypeName", "src": "4899:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27104, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "scope": 27137, "src": "4915:17:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27103, "name": "address", "nodeType": "ElementaryTypeName", "src": "4915:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27106, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 27137, "src": "4934:14:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27105, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4934:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "4898:51:26" }, "returnParameters": { "id": 27111, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27110, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 27137, "src": "4983:4:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 27109, "name": "bool", "nodeType": "ElementaryTypeName", "src": "4983:4:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "4982:6:26" }, "scope": 27439, "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "id": 27165, "nodeType": "FunctionDefinition", "src": "5589:215:26", "body": { "id": 27164, "nodeType": "Block", "src": "5683:121:26", "statements": [ { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 27148, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 28037, "src": "5702:10:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 27149, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5702:12:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "id": 27150, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27140, "src": "5716:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [ { "id": 27158, "name": "addedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27142, "src": "5764:10:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "baseExpression": { "baseExpression": { "id": 27151, "name": "_allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26959, "src": "5725:11:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 27154, "indexExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 27152, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 28037, "src": "5737:10:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 27153, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5737:12:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5725:25:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 27156, "indexExpression": { "id": 27155, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27140, "src": "5751:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5725:34:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27157, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 26678, "src": "5725:38:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 27159, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5725:50:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 27147, "name": "_approve", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27416, "src": "5693:8:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 27160, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5693:83:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27161, "nodeType": "ExpressionStatement", "src": "5693:83:26" }, { "expression": { "hexValue": "74727565", "id": 27162, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "5793:4:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 27146, "id": 27163, "nodeType": "Return", "src": "5786:11:26" } ] }, "documentation": { "id": 27138, "nodeType": "StructuredDocumentation", "src": "5200:384:26", "text": " @dev Atomically increases the allowance granted to `spender` by the caller.\n This is an alternative to {approve} that can be used as a mitigation for\n problems described in {IERC20-approve}.\n Emits an {Approval} event indicating the updated allowance.\n Requirements:\n - `spender` cannot be the zero address." }, "functionSelector": "39509351", "implemented": true, "kind": "function", "modifiers": [], "name": "increaseAllowance", "parameters": { "id": 27143, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27140, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 27165, "src": "5616:15:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27139, "name": "address", "nodeType": "ElementaryTypeName", "src": "5616:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27142, "mutability": "mutable", "name": "addedValue", "nodeType": "VariableDeclaration", "scope": 27165, "src": "5633:18:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27141, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5633:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "5615:37:26" }, "returnParameters": { "id": 27146, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27145, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 27165, "src": "5677:4:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 27144, "name": "bool", "nodeType": "ElementaryTypeName", "src": "5677:4:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "5676:6:26" }, "scope": 27439, "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "id": 27194, "nodeType": "FunctionDefinition", "src": "6291:266:26", "body": { "id": 27193, "nodeType": "Block", "src": "6390:167:26", "statements": [ { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 27176, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 28037, "src": "6409:10:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 27177, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6409:12:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "id": 27178, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27168, "src": "6423:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [ { "id": 27186, "name": "subtractedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27170, "src": "6471:15:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "hexValue": "45524332303a2064656372656173656420616c6c6f77616e63652062656c6f77207a65726f", "id": 27187, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "6488:39:26", "typeDescriptions": { "typeIdentifier": "t_stringliteral_f8b476f7d28209d77d4a4ac1fe36b9f8259aa1bb6bddfa6e89de7e51615cf8a8", "typeString": "literal_string \"ERC20: decreased allowance below zero\"" }, "value": "ERC20: decreased allowance below zero" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_stringliteral_f8b476f7d28209d77d4a4ac1fe36b9f8259aa1bb6bddfa6e89de7e51615cf8a8", "typeString": "literal_string \"ERC20: decreased allowance below zero\"" } ], "expression": { "baseExpression": { "baseExpression": { "id": 27179, "name": "_allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26959, "src": "6432:11:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 27182, "indexExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 27180, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 28037, "src": "6444:10:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 27181, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6444:12:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "6432:25:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 27184, "indexExpression": { "id": 27183, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27168, "src": "6458:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "6432:34:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27185, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 26802, "src": "6432:38:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$_t_string_memory_ptr_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256,string memory) pure returns (uint256)" } }, "id": 27188, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6432:96:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 27175, "name": "_approve", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27416, "src": "6400:8:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 27189, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6400:129:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27190, "nodeType": "ExpressionStatement", "src": "6400:129:26" }, { "expression": { "hexValue": "74727565", "id": 27191, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "6546:4:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 27174, "id": 27192, "nodeType": "Return", "src": "6539:11:26" } ] }, "documentation": { "id": 27166, "nodeType": "StructuredDocumentation", "src": "5810:476:26", "text": " @dev Atomically decreases the allowance granted to `spender` by the caller.\n This is an alternative to {approve} that can be used as a mitigation for\n problems described in {IERC20-approve}.\n Emits an {Approval} event indicating the updated allowance.\n Requirements:\n - `spender` cannot be the zero address.\n - `spender` must have allowance for the caller of at least\n `subtractedValue`." }, "functionSelector": "a457c2d7", "implemented": true, "kind": "function", "modifiers": [], "name": "decreaseAllowance", "parameters": { "id": 27171, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27168, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 27194, "src": "6318:15:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27167, "name": "address", "nodeType": "ElementaryTypeName", "src": "6318:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27170, "mutability": "mutable", "name": "subtractedValue", "nodeType": "VariableDeclaration", "scope": 27194, "src": "6335:23:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27169, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6335:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "6317:42:26" }, "returnParameters": { "id": 27174, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27173, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 27194, "src": "6384:4:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 27172, "name": "bool", "nodeType": "ElementaryTypeName", "src": "6384:4:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "6383:6:26" }, "scope": 27439, "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "id": 27260, "nodeType": "FunctionDefinition", "src": "7031:530:26", "body": { "id": 27259, "nodeType": "Block", "src": "7118:443:26", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 27210, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 27205, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27197, "src": "7136:6:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 27208, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7154:1:26", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 27207, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "7146:7:26", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 27206, "name": "address", "nodeType": "ElementaryTypeName", "src": "7146:7:26", "typeDescriptions": {} } }, "id": 27209, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7146:10:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "7136:20:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a207472616e736665722066726f6d20746865207a65726f2061646472657373", "id": 27211, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "7158:39:26", "typeDescriptions": { "typeIdentifier": "t_stringliteral_baecc556b46f4ed0f2b4cb599d60785ac8563dd2dc0a5bf12edea1c39e5e1fea", "typeString": "literal_string \"ERC20: transfer from the zero address\"" }, "value": "ERC20: transfer from the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_baecc556b46f4ed0f2b4cb599d60785ac8563dd2dc0a5bf12edea1c39e5e1fea", "typeString": "literal_string \"ERC20: transfer from the zero address\"" } ], "id": 27204, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "7128:7:26", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 27212, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7128:70:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27213, "nodeType": "ExpressionStatement", "src": "7128:70:26" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 27220, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 27215, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27199, "src": "7216:9:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 27218, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7237:1:26", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 27217, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "7229:7:26", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 27216, "name": "address", "nodeType": "ElementaryTypeName", "src": "7229:7:26", "typeDescriptions": {} } }, "id": 27219, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7229:10:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "7216:23:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a207472616e7366657220746f20746865207a65726f2061646472657373", "id": 27221, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "7241:37:26", "typeDescriptions": { "typeIdentifier": "t_stringliteral_0557e210f7a69a685100a7e4e3d0a7024c546085cee28910fd17d0b081d9516f", "typeString": "literal_string \"ERC20: transfer to the zero address\"" }, "value": "ERC20: transfer to the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_0557e210f7a69a685100a7e4e3d0a7024c546085cee28910fd17d0b081d9516f", "typeString": "literal_string \"ERC20: transfer to the zero address\"" } ], "id": 27214, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "7208:7:26", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 27222, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7208:71:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27223, "nodeType": "ExpressionStatement", "src": "7208:71:26" }, { "expression": { "arguments": [ { "id": 27225, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27197, "src": "7311:6:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 27226, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27199, "src": "7319:9:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 27227, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27201, "src": "7330:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 27224, "name": "_beforeTokenTransfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27438, "src": "7290:20:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 27228, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7290:47:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27229, "nodeType": "ExpressionStatement", "src": "7290:47:26" }, { "expression": { "id": 27240, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27230, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26953, "src": "7348:9:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 27232, "indexExpression": { "id": 27231, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27197, "src": "7358:6:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "7348:17:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "id": 27237, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27201, "src": "7390:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "hexValue": "45524332303a207472616e7366657220616d6f756e7420657863656564732062616c616e6365", "id": 27238, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "7398:40:26", "typeDescriptions": { "typeIdentifier": "t_stringliteral_4107e8a8b9e94bf8ff83080ddec1c0bffe897ebc2241b89d44f66b3d274088b6", "typeString": "literal_string \"ERC20: transfer amount exceeds balance\"" }, "value": "ERC20: transfer amount exceeds balance" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_stringliteral_4107e8a8b9e94bf8ff83080ddec1c0bffe897ebc2241b89d44f66b3d274088b6", "typeString": "literal_string \"ERC20: transfer amount exceeds balance\"" } ], "expression": { "baseExpression": { "id": 27233, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26953, "src": "7368:9:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 27235, "indexExpression": { "id": 27234, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27197, "src": "7378:6:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7368:17:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27236, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 26802, "src": "7368:21:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$_t_string_memory_ptr_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256,string memory) pure returns (uint256)" } }, "id": 27239, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7368:71:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "7348:91:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27241, "nodeType": "ExpressionStatement", "src": "7348:91:26" }, { "expression": { "id": 27251, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27242, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26953, "src": "7449:9:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 27244, "indexExpression": { "id": 27243, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27199, "src": "7459:9:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "7449:20:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "id": 27249, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27201, "src": "7497:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "baseExpression": { "id": 27245, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26953, "src": "7472:9:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 27247, "indexExpression": { "id": 27246, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27199, "src": "7482:9:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7472:20:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27248, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 26678, "src": "7472:24:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 27250, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7472:32:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "7449:55:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27252, "nodeType": "ExpressionStatement", "src": "7449:55:26" }, { "eventCall": { "arguments": [ { "id": 27254, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27197, "src": "7528:6:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 27255, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27199, "src": "7536:9:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 27256, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27201, "src": "7547:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 27253, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27507, "src": "7519:8:26", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 27257, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7519:35:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27258, "nodeType": "EmitStatement", "src": "7514:40:26" } ] }, "documentation": { "id": 27195, "nodeType": "StructuredDocumentation", "src": "6563:463:26", "text": " @dev Moves tokens `amount` from `sender` to `recipient`.\n This is internal function is equivalent to {transfer}, and can be used to\n e.g. implement automatic token fees, slashing mechanisms, etc.\n Emits a {Transfer} event.\n Requirements:\n - `sender` cannot be the zero address.\n - `recipient` cannot be the zero address.\n - `sender` must have a balance of at least `amount`." }, "implemented": true, "kind": "function", "modifiers": [], "name": "_transfer", "parameters": { "id": 27202, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27197, "mutability": "mutable", "name": "sender", "nodeType": "VariableDeclaration", "scope": 27260, "src": "7050:14:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27196, "name": "address", "nodeType": "ElementaryTypeName", "src": "7050:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27199, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "scope": 27260, "src": "7066:17:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27198, "name": "address", "nodeType": "ElementaryTypeName", "src": "7066:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27201, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 27260, "src": "7085:14:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27200, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7085:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "7049:51:26" }, "returnParameters": { "id": 27203, "nodeType": "ParameterList", "parameters": [], "src": "7118:0:26" }, "scope": 27439, "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "id": 27315, "nodeType": "FunctionDefinition", "src": "7832:370:26", "body": { "id": 27314, "nodeType": "Block", "src": "7897:305:26", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 27274, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 27269, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27263, "src": "7915:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 27272, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7934:1:26", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 27271, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "7926:7:26", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 27270, "name": "address", "nodeType": "ElementaryTypeName", "src": "7926:7:26", "typeDescriptions": {} } }, "id": 27273, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7926:10:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "7915:21:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a206d696e7420746f20746865207a65726f2061646472657373", "id": 27275, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "7938:33:26", "typeDescriptions": { "typeIdentifier": "t_stringliteral_fc0b381caf0a47702017f3c4b358ebe3d3aff6c60ce819a8bf3ef5a95d4f202e", "typeString": "literal_string \"ERC20: mint to the zero address\"" }, "value": "ERC20: mint to the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_fc0b381caf0a47702017f3c4b358ebe3d3aff6c60ce819a8bf3ef5a95d4f202e", "typeString": "literal_string \"ERC20: mint to the zero address\"" } ], "id": 27268, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "7907:7:26", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 27276, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7907:65:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27277, "nodeType": "ExpressionStatement", "src": "7907:65:26" }, { "expression": { "arguments": [ { "arguments": [ { "hexValue": "30", "id": 27281, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8012:1:26", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 27280, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8004:7:26", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 27279, "name": "address", "nodeType": "ElementaryTypeName", "src": "8004:7:26", "typeDescriptions": {} } }, "id": 27282, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8004:10:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "id": 27283, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27263, "src": "8016:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 27284, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27265, "src": "8025:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 27278, "name": "_beforeTokenTransfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27438, "src": "7983:20:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 27285, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7983:49:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27286, "nodeType": "ExpressionStatement", "src": "7983:49:26" }, { "expression": { "id": 27292, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 27287, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26961, "src": "8043:12:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "id": 27290, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27265, "src": "8075:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "id": 27288, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26961, "src": "8058:12:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27289, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 26678, "src": "8058:16:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 27291, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8058:24:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "8043:39:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27293, "nodeType": "ExpressionStatement", "src": "8043:39:26" }, { "expression": { "id": 27303, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27294, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26953, "src": "8092:9:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 27296, "indexExpression": { "id": 27295, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27263, "src": "8102:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "8092:18:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "id": 27301, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27265, "src": "8136:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "baseExpression": { "id": 27297, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26953, "src": "8113:9:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 27299, "indexExpression": { "id": 27298, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27263, "src": "8123:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "8113:18:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27300, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 26678, "src": "8113:22:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 27302, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8113:30:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "8092:51:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27304, "nodeType": "ExpressionStatement", "src": "8092:51:26" }, { "eventCall": { "arguments": [ { "arguments": [ { "hexValue": "30", "id": 27308, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8175:1:26", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 27307, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8167:7:26", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 27306, "name": "address", "nodeType": "ElementaryTypeName", "src": "8167:7:26", "typeDescriptions": {} } }, "id": 27309, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8167:10:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "id": 27310, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27263, "src": "8179:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 27311, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27265, "src": "8188:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 27305, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27507, "src": "8158:8:26", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 27312, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8158:37:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27313, "nodeType": "EmitStatement", "src": "8153:42:26" } ] }, "documentation": { "id": 27261, "nodeType": "StructuredDocumentation", "src": "7567:260:26", "text": "@dev Creates `amount` tokens and assigns them to `account`, increasing\n the total supply.\n Emits a {Transfer} event with `from` set to the zero address.\n Requirements:\n - `to` cannot be the zero address." }, "implemented": true, "kind": "function", "modifiers": [], "name": "_mint", "parameters": { "id": 27266, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27263, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "scope": 27315, "src": "7847:15:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27262, "name": "address", "nodeType": "ElementaryTypeName", "src": "7847:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27265, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 27315, "src": "7864:14:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27264, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7864:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "7846:33:26" }, "returnParameters": { "id": 27267, "nodeType": "ParameterList", "parameters": [], "src": "7897:0:26" }, "scope": 27439, "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "id": 27371, "nodeType": "FunctionDefinition", "src": "8522:410:26", "body": { "id": 27370, "nodeType": "Block", "src": "8587:345:26", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 27329, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 27324, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27318, "src": "8605:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 27327, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8624:1:26", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 27326, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8616:7:26", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 27325, "name": "address", "nodeType": "ElementaryTypeName", "src": "8616:7:26", "typeDescriptions": {} } }, "id": 27328, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8616:10:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "8605:21:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a206275726e2066726f6d20746865207a65726f2061646472657373", "id": 27330, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "8628:35:26", "typeDescriptions": { "typeIdentifier": "t_stringliteral_b16788493b576042bb52c50ed56189e0b250db113c7bfb1c3897d25cf9632d7f", "typeString": "literal_string \"ERC20: burn from the zero address\"" }, "value": "ERC20: burn from the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_b16788493b576042bb52c50ed56189e0b250db113c7bfb1c3897d25cf9632d7f", "typeString": "literal_string \"ERC20: burn from the zero address\"" } ], "id": 27323, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "8597:7:26", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 27331, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8597:67:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27332, "nodeType": "ExpressionStatement", "src": "8597:67:26" }, { "expression": { "arguments": [ { "id": 27334, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27318, "src": "8696:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [ { "hexValue": "30", "id": 27337, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8713:1:26", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 27336, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8705:7:26", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 27335, "name": "address", "nodeType": "ElementaryTypeName", "src": "8705:7:26", "typeDescriptions": {} } }, "id": 27338, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8705:10:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "id": 27339, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27320, "src": "8717:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 27333, "name": "_beforeTokenTransfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27438, "src": "8675:20:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 27340, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8675:49:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27341, "nodeType": "ExpressionStatement", "src": "8675:49:26" }, { "expression": { "id": 27352, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27342, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26953, "src": "8735:9:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 27344, "indexExpression": { "id": 27343, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27318, "src": "8745:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "8735:18:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "id": 27349, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27320, "src": "8779:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "hexValue": "45524332303a206275726e20616d6f756e7420657863656564732062616c616e6365", "id": 27350, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "8787:36:26", "typeDescriptions": { "typeIdentifier": "t_stringliteral_149b126e7125232b4200af45303d04fba8b74653b1a295a6a561a528c33fefdd", "typeString": "literal_string \"ERC20: burn amount exceeds balance\"" }, "value": "ERC20: burn amount exceeds balance" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_stringliteral_149b126e7125232b4200af45303d04fba8b74653b1a295a6a561a528c33fefdd", "typeString": "literal_string \"ERC20: burn amount exceeds balance\"" } ], "expression": { "baseExpression": { "id": 27345, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26953, "src": "8756:9:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 27347, "indexExpression": { "id": 27346, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27318, "src": "8766:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "8756:18:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27348, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 26802, "src": "8756:22:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$_t_string_memory_ptr_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256,string memory) pure returns (uint256)" } }, "id": 27351, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8756:68:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "8735:89:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27353, "nodeType": "ExpressionStatement", "src": "8735:89:26" }, { "expression": { "id": 27359, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 27354, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26961, "src": "8834:12:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "id": 27357, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27320, "src": "8866:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "id": 27355, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26961, "src": "8849:12:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27356, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 26700, "src": "8849:16:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 27358, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8849:24:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "8834:39:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27360, "nodeType": "ExpressionStatement", "src": "8834:39:26" }, { "eventCall": { "arguments": [ { "id": 27362, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27318, "src": "8897:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [ { "hexValue": "30", "id": 27365, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8914:1:26", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 27364, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8906:7:26", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 27363, "name": "address", "nodeType": "ElementaryTypeName", "src": "8906:7:26", "typeDescriptions": {} } }, "id": 27366, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8906:10:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "id": 27367, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27320, "src": "8918:6:26", "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": 27361, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27507, "src": "8888:8:26", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 27368, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8888:37:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27369, "nodeType": "EmitStatement", "src": "8883:42:26" } ] }, "documentation": { "id": 27316, "nodeType": "StructuredDocumentation", "src": "8208:309:26", "text": " @dev Destroys `amount` tokens from `account`, reducing the\n total supply.\n Emits a {Transfer} event with `to` set to the zero address.\n Requirements:\n - `account` cannot be the zero address.\n - `account` must have at least `amount` tokens." }, "implemented": true, "kind": "function", "modifiers": [], "name": "_burn", "parameters": { "id": 27321, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27318, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "scope": 27371, "src": "8537:15:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27317, "name": "address", "nodeType": "ElementaryTypeName", "src": "8537:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27320, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 27371, "src": "8554:14:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27319, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "8554:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "8536:33:26" }, "returnParameters": { "id": 27322, "nodeType": "ParameterList", "parameters": [], "src": "8587:0:26" }, "scope": 27439, "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "id": 27416, "nodeType": "FunctionDefinition", "src": "9355:340:26", "body": { "id": 27415, "nodeType": "Block", "src": "9438:257:26", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 27387, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 27382, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27374, "src": "9456:5:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 27385, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "9473:1:26", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 27384, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "9465:7:26", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 27383, "name": "address", "nodeType": "ElementaryTypeName", "src": "9465:7:26", "typeDescriptions": {} } }, "id": 27386, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9465:10:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "9456:19:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a20617070726f76652066726f6d20746865207a65726f2061646472657373", "id": 27388, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "9477:38:26", "typeDescriptions": { "typeIdentifier": "t_stringliteral_c953f4879035ed60e766b34720f656aab5c697b141d924c283124ecedb91c208", "typeString": "literal_string \"ERC20: approve from the zero address\"" }, "value": "ERC20: approve from the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_c953f4879035ed60e766b34720f656aab5c697b141d924c283124ecedb91c208", "typeString": "literal_string \"ERC20: approve from the zero address\"" } ], "id": 27381, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "9448:7:26", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 27389, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9448:68:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27390, "nodeType": "ExpressionStatement", "src": "9448:68:26" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 27397, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 27392, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27376, "src": "9534:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 27395, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "9553:1:26", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 27394, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "9545:7:26", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 27393, "name": "address", "nodeType": "ElementaryTypeName", "src": "9545:7:26", "typeDescriptions": {} } }, "id": 27396, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9545:10:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "9534:21:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a20617070726f766520746f20746865207a65726f2061646472657373", "id": 27398, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "9557:36:26", "typeDescriptions": { "typeIdentifier": "t_stringliteral_24883cc5fe64ace9d0df1893501ecb93c77180f0ff69cca79affb3c316dc8029", "typeString": "literal_string \"ERC20: approve to the zero address\"" }, "value": "ERC20: approve to the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_24883cc5fe64ace9d0df1893501ecb93c77180f0ff69cca79affb3c316dc8029", "typeString": "literal_string \"ERC20: approve to the zero address\"" } ], "id": 27391, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "9526:7:26", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 27399, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9526:68:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27400, "nodeType": "ExpressionStatement", "src": "9526:68:26" }, { "expression": { "id": 27407, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "baseExpression": { "id": 27401, "name": "_allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26959, "src": "9605:11:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 27404, "indexExpression": { "id": 27402, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27374, "src": "9617:5:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "9605:18:26", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 27405, "indexExpression": { "id": 27403, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27376, "src": "9624:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "9605:27:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 27406, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27378, "src": "9635:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "9605:36:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27408, "nodeType": "ExpressionStatement", "src": "9605:36:26" }, { "eventCall": { "arguments": [ { "id": 27410, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27374, "src": "9665:5:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 27411, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27376, "src": "9672:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 27412, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27378, "src": "9681:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 27409, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27516, "src": "9656:8:26", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 27413, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9656:32:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 27414, "nodeType": "EmitStatement", "src": "9651:37:26" } ] }, "documentation": { "id": 27372, "nodeType": "StructuredDocumentation", "src": "8938:412:26", "text": " @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\n This internal function is equivalent to `approve`, and can be used to\n e.g. set automatic allowances for certain subsystems, etc.\n Emits an {Approval} event.\n Requirements:\n - `owner` cannot be the zero address.\n - `spender` cannot be the zero address." }, "implemented": true, "kind": "function", "modifiers": [], "name": "_approve", "parameters": { "id": 27379, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27374, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 27416, "src": "9373:13:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27373, "name": "address", "nodeType": "ElementaryTypeName", "src": "9373:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27376, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 27416, "src": "9388:15:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27375, "name": "address", "nodeType": "ElementaryTypeName", "src": "9388:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27378, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 27416, "src": "9405:14:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27377, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9405:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "9372:48:26" }, "returnParameters": { "id": 27380, "nodeType": "ParameterList", "parameters": [], "src": "9438:0:26" }, "scope": 27439, "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "id": 27427, "nodeType": "FunctionDefinition", "src": "10018:96:26", "body": { "id": 27426, "nodeType": "Block", "src": "10076:38:26", "statements": [ { "expression": { "id": 27424, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 27422, "name": "_decimals", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 26967, "src": "10086:9:26", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 27423, "name": "decimals_", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27419, "src": "10098:9:26", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "10086:21:26", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "id": 27425, "nodeType": "ExpressionStatement", "src": "10086:21:26" } ] }, "documentation": { "id": 27417, "nodeType": "StructuredDocumentation", "src": "9701:312:26", "text": " @dev Sets {decimals} to a value other than the default one of 18.\n WARNING: This function should only be called from the constructor. Most\n applications that interact with token contracts will not expect\n {decimals} to ever change, and may work incorrectly if it does." }, "implemented": true, "kind": "function", "modifiers": [], "name": "_setupDecimals", "parameters": { "id": 27420, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27419, "mutability": "mutable", "name": "decimals_", "nodeType": "VariableDeclaration", "scope": 27427, "src": "10042:15:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 27418, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "10042:5:26", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" } ], "src": "10041:17:26" }, "returnParameters": { "id": 27421, "nodeType": "ParameterList", "parameters": [], "src": "10076:0:26" }, "scope": 27439, "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "id": 27438, "nodeType": "FunctionDefinition", "src": "10701:92:26", "body": { "id": 27437, "nodeType": "Block", "src": "10790:3:26", "statements": [] }, "documentation": { "id": 27428, "nodeType": "StructuredDocumentation", "src": "10120:576:26", "text": " @dev Hook that is called before any transfer of tokens. This includes\n minting and burning.\n Calling conditions:\n - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n will be to transferred to `to`.\n - when `from` is zero, `amount` tokens will be minted for `to`.\n - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n - `from` and `to` are never both zero.\n To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]." }, "implemented": true, "kind": "function", "modifiers": [], "name": "_beforeTokenTransfer", "parameters": { "id": 27435, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27430, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 27438, "src": "10731:12:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27429, "name": "address", "nodeType": "ElementaryTypeName", "src": "10731:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27432, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 27438, "src": "10745:10:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 27431, "name": "address", "nodeType": "ElementaryTypeName", "src": "10745:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 27434, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 27438, "src": "10757:14:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27433, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "10757:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "10730:42:26" }, "returnParameters": { "id": 27436, "nodeType": "ParameterList", "parameters": [], "src": "10790:0:26" }, "scope": 27439, "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" } ], "abstract": false, "baseContracts": [ { "baseName": { "id": 26943, "name": "Context", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 28049, "src": "1339:7:26", "typeDescriptions": { "typeIdentifier": "t_contract$_Context_$28049", "typeString": "contract Context" } }, "id": 26944, "nodeType": "InheritanceSpecifier", "src": "1339:7:26" }, { "baseName": { "id": 26945, "name": "IERC20", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 27517, "src": "1348:6:26", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC20_$27517", "typeString": "contract IERC20" } }, "id": 26946, "nodeType": "InheritanceSpecifier", "src": "1348:6:26" } ], "contractDependencies": [ 27517, 28049 ], "contractKind": "contract", "documentation": { "id": 26942, "nodeType": "StructuredDocumentation", "src": "158:1162:26", "text": " @dev Implementation of the {IERC20} interface.\n This implementation is agnostic to the way tokens are created. This means\n that a supply mechanism has to be added in a derived contract using {_mint}.\n For a generic mechanism see {ERC20PresetMinterPauser}.\n TIP: For a detailed writeup see our guide\n https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How\n to implement supply mechanisms].\n We have followed general OpenZeppelin guidelines: functions revert instead\n of returning `false` on failure. This behavior is nonetheless conventional\n and does not conflict with the expectations of ERC20 applications.\n Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n This allows applications to reconstruct the allowance for all accounts just\n by listening to said events. Other implementations of the EIP may not emit\n these events, as it isn't required by the specification.\n Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n functions have been added to mitigate the well-known issues around setting\n allowances. See {IERC20-approve}." }, "fullyImplemented": true, "linearizedBaseContracts": [ 27439, 27517, 28049 ], "name": "ERC20", "scope": 27440 } ], "license": "MIT" }, "id": 26 }