{ "abi": [], "allSourcePaths": { "12": "/home/vscode/.brownie/packages/OpenZeppelin/openzeppelin-contracts@4.7.3/contracts/utils/Strings.sol" }, "ast": { "absolutePath": "/home/vscode/.brownie/packages/OpenZeppelin/openzeppelin-contracts@4.7.3/contracts/utils/Strings.sol", "exportedSymbols": { "Strings": [ 16154 ] }, "id": 16155, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 15930, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "101:23:12" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": { "id": 15931, "nodeType": "StructuredDocumentation", "src": "126:34:12", "text": " @dev String operations." }, "fullyImplemented": true, "id": 16154, "linearizedBaseContracts": [ 16154 ], "name": "Strings", "nameLocation": "169:7:12", "nodeType": "ContractDefinition", "nodes": [ { "constant": true, "id": 15934, "mutability": "constant", "name": "_HEX_SYMBOLS", "nameLocation": "208:12:12", "nodeType": "VariableDeclaration", "scope": 16154, "src": "183:58:12", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes16", "typeString": "bytes16" }, "typeName": { "id": 15932, "name": "bytes16", "nodeType": "ElementaryTypeName", "src": "183:7:12", "typeDescriptions": { "typeIdentifier": "t_bytes16", "typeString": "bytes16" } }, "value": { "hexValue": "30313233343536373839616263646566", "id": 15933, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "223:18:12", "typeDescriptions": { "typeIdentifier": "t_stringliteral_cb29997ed99ead0db59ce4d12b7d3723198c827273e5796737c926d78019c39f", "typeString": "literal_string \"0123456789abcdef\"" }, "value": "0123456789abcdef" }, "visibility": "private" }, { "constant": true, "id": 15937, "mutability": "constant", "name": "_ADDRESS_LENGTH", "nameLocation": "270:15:12", "nodeType": "VariableDeclaration", "scope": 16154, "src": "247:43:12", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 15935, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "247:5:12", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "3230", "id": 15936, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "288:2:12", "typeDescriptions": { "typeIdentifier": "t_rational_20_by_1", "typeString": "int_const 20" }, "value": "20" }, "visibility": "private" }, { "body": { "id": 16015, "nodeType": "Block", "src": "463:632:12", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 15947, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 15945, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15940, "src": "665:5:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 15946, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "674:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "665:10:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 15951, "nodeType": "IfStatement", "src": "661:51:12", "trueBody": { "id": 15950, "nodeType": "Block", "src": "677:35:12", "statements": [ { "expression": { "hexValue": "30", "id": 15948, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "698:3:12", "typeDescriptions": { "typeIdentifier": "t_stringliteral_044852b2a670ade5407e78fb2863c51de9fcb96542a07186fe3aeda6bb8a116d", "typeString": "literal_string \"0\"" }, "value": "0" }, "functionReturnParameters": 15944, "id": 15949, "nodeType": "Return", "src": "691:10:12" } ] } }, { "assignments": [ 15953 ], "declarations": [ { "constant": false, "id": 15953, "mutability": "mutable", "name": "temp", "nameLocation": "729:4:12", "nodeType": "VariableDeclaration", "scope": 16015, "src": "721:12:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 15952, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "721:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 15955, "initialValue": { "id": 15954, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15940, "src": "736:5:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "721:20:12" }, { "assignments": [ 15957 ], "declarations": [ { "constant": false, "id": 15957, "mutability": "mutable", "name": "digits", "nameLocation": "759:6:12", "nodeType": "VariableDeclaration", "scope": 16015, "src": "751:14:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 15956, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "751:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 15958, "nodeType": "VariableDeclarationStatement", "src": "751:14:12" }, { "body": { "id": 15969, "nodeType": "Block", "src": "793:57:12", "statements": [ { "expression": { "id": 15963, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "807:8:12", "subExpression": { "id": 15962, "name": "digits", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15957, "src": "807:6:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 15964, "nodeType": "ExpressionStatement", "src": "807:8:12" }, { "expression": { "id": 15967, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15965, "name": "temp", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15953, "src": "829:4:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "/=", "rightHandSide": { "hexValue": "3130", "id": 15966, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "837:2:12", "typeDescriptions": { "typeIdentifier": "t_rational_10_by_1", "typeString": "int_const 10" }, "value": "10" }, "src": "829:10:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 15968, "nodeType": "ExpressionStatement", "src": "829:10:12" } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 15961, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 15959, "name": "temp", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15953, "src": "782:4:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "hexValue": "30", "id": 15960, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "790:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "782:9:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 15970, "nodeType": "WhileStatement", "src": "775:75:12" }, { "assignments": [ 15972 ], "declarations": [ { "constant": false, "id": 15972, "mutability": "mutable", "name": "buffer", "nameLocation": "872:6:12", "nodeType": "VariableDeclaration", "scope": 16015, "src": "859:19:12", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 15971, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "859:5:12", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "id": 15977, "initialValue": { "arguments": [ { "id": 15975, "name": "digits", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15957, "src": "891:6:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 15974, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "NewExpression", "src": "881:9:12", "typeDescriptions": { "typeIdentifier": "t_function_objectcreation_pure$_t_uint256_$returns$_t_bytes_memory_ptr_$", "typeString": "function (uint256) pure returns (bytes memory)" }, "typeName": { "id": 15973, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "885:5:12", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } } }, "id": 15976, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "881:17:12", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "859:39:12" }, { "body": { "id": 16008, "nodeType": "Block", "src": "927:131:12", "statements": [ { "expression": { "id": 15983, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15981, "name": "digits", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15957, "src": "941:6:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "hexValue": "31", "id": 15982, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "951:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "941:11:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 15984, "nodeType": "ExpressionStatement", "src": "941:11:12" }, { "expression": { "id": 16002, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 15985, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15972, "src": "966:6:12", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 15987, "indexExpression": { "id": 15986, "name": "digits", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15957, "src": "973:6:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "966:14:12", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 15999, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "3438", "id": 15992, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "996:2:12", "typeDescriptions": { "typeIdentifier": "t_rational_48_by_1", "typeString": "int_const 48" }, "value": "48" }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 15997, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 15995, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15940, "src": "1009:5:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "%", "rightExpression": { "hexValue": "3130", "id": 15996, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1017:2:12", "typeDescriptions": { "typeIdentifier": "t_rational_10_by_1", "typeString": "int_const 10" }, "value": "10" }, "src": "1009:10:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 15994, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1001:7:12", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": { "id": 15993, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1001:7:12", "typeDescriptions": {} } }, "id": 15998, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1001:19:12", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "996:24:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 15991, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "990:5:12", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint8_$", "typeString": "type(uint8)" }, "typeName": { "id": 15990, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "990:5:12", "typeDescriptions": {} } }, "id": 16000, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "990:31:12", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 15989, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "983:6:12", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes1_$", "typeString": "type(bytes1)" }, "typeName": { "id": 15988, "name": "bytes1", "nodeType": "ElementaryTypeName", "src": "983:6:12", "typeDescriptions": {} } }, "id": 16001, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "983:39:12", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "src": "966:56:12", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "id": 16003, "nodeType": "ExpressionStatement", "src": "966:56:12" }, { "expression": { "id": 16006, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 16004, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15940, "src": "1036:5:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "/=", "rightHandSide": { "hexValue": "3130", "id": 16005, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1045:2:12", "typeDescriptions": { "typeIdentifier": "t_rational_10_by_1", "typeString": "int_const 10" }, "value": "10" }, "src": "1036:11:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16007, "nodeType": "ExpressionStatement", "src": "1036:11:12" } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 15980, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 15978, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15940, "src": "915:5:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "hexValue": "30", "id": 15979, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "924:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "915:10:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16009, "nodeType": "WhileStatement", "src": "908:150:12" }, { "expression": { "arguments": [ { "id": 16012, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15972, "src": "1081:6:12", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 16011, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1074:6:12", "typeDescriptions": { "typeIdentifier": "t_type$_t_string_storage_ptr_$", "typeString": "type(string storage pointer)" }, "typeName": { "id": 16010, "name": "string", "nodeType": "ElementaryTypeName", "src": "1074:6:12", "typeDescriptions": {} } }, "id": 16013, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1074:14:12", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 15944, "id": 16014, "nodeType": "Return", "src": "1067:21:12" } ] }, "documentation": { "id": 15938, "nodeType": "StructuredDocumentation", "src": "297:90:12", "text": " @dev Converts a `uint256` to its ASCII `string` decimal representation." }, "id": 16016, "implemented": true, "kind": "function", "modifiers": [], "name": "toString", "nameLocation": "401:8:12", "nodeType": "FunctionDefinition", "parameters": { "id": 15941, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 15940, "mutability": "mutable", "name": "value", "nameLocation": "418:5:12", "nodeType": "VariableDeclaration", "scope": 16016, "src": "410:13:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 15939, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "410:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "409:15:12" }, "returnParameters": { "id": 15944, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 15943, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 16016, "src": "448:13:12", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 15942, "name": "string", "nodeType": "ElementaryTypeName", "src": "448:6:12", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "447:15:12" }, "scope": 16154, "src": "392:703:12", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 16056, "nodeType": "Block", "src": "1274:255:12", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16026, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16024, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16019, "src": "1288:5:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 16025, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1297:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1288:10:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16030, "nodeType": "IfStatement", "src": "1284:54:12", "trueBody": { "id": 16029, "nodeType": "Block", "src": "1300:38:12", "statements": [ { "expression": { "hexValue": "30783030", "id": 16027, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1321:6:12", "typeDescriptions": { "typeIdentifier": "t_stringliteral_27489e20a0060b723a1748bdff5e44570ee9fae64141728105692eac6031e8a4", "typeString": "literal_string \"0x00\"" }, "value": "0x00" }, "functionReturnParameters": 16023, "id": 16028, "nodeType": "Return", "src": "1314:13:12" } ] } }, { "assignments": [ 16032 ], "declarations": [ { "constant": false, "id": 16032, "mutability": "mutable", "name": "temp", "nameLocation": "1355:4:12", "nodeType": "VariableDeclaration", "scope": 16056, "src": "1347:12:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16031, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1347:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 16034, "initialValue": { "id": 16033, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16019, "src": "1362:5:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "1347:20:12" }, { "assignments": [ 16036 ], "declarations": [ { "constant": false, "id": 16036, "mutability": "mutable", "name": "length", "nameLocation": "1385:6:12", "nodeType": "VariableDeclaration", "scope": 16056, "src": "1377:14:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16035, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1377:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 16038, "initialValue": { "hexValue": "30", "id": 16037, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1394:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "1377:18:12" }, { "body": { "id": 16049, "nodeType": "Block", "src": "1423:57:12", "statements": [ { "expression": { "id": 16043, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "1437:8:12", "subExpression": { "id": 16042, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16036, "src": "1437:6:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16044, "nodeType": "ExpressionStatement", "src": "1437:8:12" }, { "expression": { "id": 16047, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 16045, "name": "temp", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16032, "src": "1459:4:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": ">>=", "rightHandSide": { "hexValue": "38", "id": 16046, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1468:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_8_by_1", "typeString": "int_const 8" }, "value": "8" }, "src": "1459:10:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16048, "nodeType": "ExpressionStatement", "src": "1459:10:12" } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16041, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16039, "name": "temp", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16032, "src": "1412:4:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "hexValue": "30", "id": 16040, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1420:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1412:9:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16050, "nodeType": "WhileStatement", "src": "1405:75:12" }, { "expression": { "arguments": [ { "id": 16052, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16019, "src": "1508:5:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 16053, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16036, "src": "1515:6:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 16051, "name": "toHexString", "nodeType": "Identifier", "overloadedDeclarations": [ 16057, 16133, 16153 ], "referencedDeclaration": 16133, "src": "1496:11:12", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_string_memory_ptr_$", "typeString": "function (uint256,uint256) pure returns (string memory)" } }, "id": 16054, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1496:26:12", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 16023, "id": 16055, "nodeType": "Return", "src": "1489:33:12" } ] }, "documentation": { "id": 16017, "nodeType": "StructuredDocumentation", "src": "1101:94:12", "text": " @dev Converts a `uint256` to its ASCII `string` hexadecimal representation." }, "id": 16057, "implemented": true, "kind": "function", "modifiers": [], "name": "toHexString", "nameLocation": "1209:11:12", "nodeType": "FunctionDefinition", "parameters": { "id": 16020, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16019, "mutability": "mutable", "name": "value", "nameLocation": "1229:5:12", "nodeType": "VariableDeclaration", "scope": 16057, "src": "1221:13:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16018, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1221:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1220:15:12" }, "returnParameters": { "id": 16023, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16022, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 16057, "src": "1259:13:12", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 16021, "name": "string", "nodeType": "ElementaryTypeName", "src": "1259:6:12", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "1258:15:12" }, "scope": 16154, "src": "1200:329:12", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 16132, "nodeType": "Block", "src": "1742:351:12", "statements": [ { "assignments": [ 16068 ], "declarations": [ { "constant": false, "id": 16068, "mutability": "mutable", "name": "buffer", "nameLocation": "1765:6:12", "nodeType": "VariableDeclaration", "scope": 16132, "src": "1752:19:12", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 16067, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1752:5:12", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "id": 16077, "initialValue": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16075, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16073, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "32", "id": 16071, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1784:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "id": 16072, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16062, "src": "1788:6:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1784:10:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "hexValue": "32", "id": 16074, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1797:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "src": "1784:14:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 16070, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "NewExpression", "src": "1774:9:12", "typeDescriptions": { "typeIdentifier": "t_function_objectcreation_pure$_t_uint256_$returns$_t_bytes_memory_ptr_$", "typeString": "function (uint256) pure returns (bytes memory)" }, "typeName": { "id": 16069, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1778:5:12", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } } }, "id": 16076, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1774:25:12", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "1752:47:12" }, { "expression": { "id": 16082, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 16078, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16068, "src": "1809:6:12", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 16080, "indexExpression": { "hexValue": "30", "id": 16079, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1816:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1809:9:12", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "hexValue": "30", "id": 16081, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1821:3:12", "typeDescriptions": { "typeIdentifier": "t_stringliteral_044852b2a670ade5407e78fb2863c51de9fcb96542a07186fe3aeda6bb8a116d", "typeString": "literal_string \"0\"" }, "value": "0" }, "src": "1809:15:12", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "id": 16083, "nodeType": "ExpressionStatement", "src": "1809:15:12" }, { "expression": { "id": 16088, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 16084, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16068, "src": "1834:6:12", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 16086, "indexExpression": { "hexValue": "31", "id": 16085, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1841:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1834:9:12", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "hexValue": "78", "id": 16087, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1846:3:12", "typeDescriptions": { "typeIdentifier": "t_stringliteral_7521d1cadbcfa91eec65aa16715b94ffc1c9654ba57ea2ef1a2127bca1127a83", "typeString": "literal_string \"x\"" }, "value": "x" }, "src": "1834:15:12", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "id": 16089, "nodeType": "ExpressionStatement", "src": "1834:15:12" }, { "body": { "id": 16118, "nodeType": "Block", "src": "1904:87:12", "statements": [ { "expression": { "id": 16112, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 16104, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16068, "src": "1918:6:12", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 16106, "indexExpression": { "id": 16105, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16091, "src": "1925:1:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1918:9:12", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "baseExpression": { "id": 16107, "name": "_HEX_SYMBOLS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15934, "src": "1930:12:12", "typeDescriptions": { "typeIdentifier": "t_bytes16", "typeString": "bytes16" } }, "id": 16111, "indexExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16110, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16108, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16060, "src": "1943:5:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "&", "rightExpression": { "hexValue": "307866", "id": 16109, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1951:3:12", "typeDescriptions": { "typeIdentifier": "t_rational_15_by_1", "typeString": "int_const 15" }, "value": "0xf" }, "src": "1943:11:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1930:25:12", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "src": "1918:37:12", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "id": 16113, "nodeType": "ExpressionStatement", "src": "1918:37:12" }, { "expression": { "id": 16116, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 16114, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16060, "src": "1969:5:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": ">>=", "rightHandSide": { "hexValue": "34", "id": 16115, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1979:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_4_by_1", "typeString": "int_const 4" }, "value": "4" }, "src": "1969:11:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16117, "nodeType": "ExpressionStatement", "src": "1969:11:12" } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16100, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16098, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16091, "src": "1892:1:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "hexValue": "31", "id": 16099, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1896:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "1892:5:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16119, "initializationExpression": { "assignments": [ 16091 ], "declarations": [ { "constant": false, "id": 16091, "mutability": "mutable", "name": "i", "nameLocation": "1872:1:12", "nodeType": "VariableDeclaration", "scope": 16119, "src": "1864:9:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16090, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1864:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 16097, "initialValue": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16096, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16094, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "32", "id": 16092, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1876:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "id": 16093, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16062, "src": "1880:6:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1876:10:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "hexValue": "31", "id": 16095, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1889:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "1876:14:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "1864:26:12" }, "loopExpression": { "expression": { "id": 16102, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "--", "prefix": true, "src": "1899:3:12", "subExpression": { "id": 16101, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16091, "src": "1901:1:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16103, "nodeType": "ExpressionStatement", "src": "1899:3:12" }, "nodeType": "ForStatement", "src": "1859:132:12" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16123, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16121, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16060, "src": "2008:5:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 16122, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2017:1:12", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2008:10:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "537472696e67733a20686578206c656e67746820696e73756666696369656e74", "id": 16124, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2020:34:12", "typeDescriptions": { "typeIdentifier": "t_stringliteral_04fc88320d7c9f639317c75102c103ff0044d3075a5c627e24e76e5bbb2733c2", "typeString": "literal_string \"Strings: hex length insufficient\"" }, "value": "Strings: hex length insufficient" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_04fc88320d7c9f639317c75102c103ff0044d3075a5c627e24e76e5bbb2733c2", "typeString": "literal_string \"Strings: hex length insufficient\"" } ], "id": 16120, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2000:7:12", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 16125, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2000:55:12", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 16126, "nodeType": "ExpressionStatement", "src": "2000:55:12" }, { "expression": { "arguments": [ { "id": 16129, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16068, "src": "2079:6:12", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 16128, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2072:6:12", "typeDescriptions": { "typeIdentifier": "t_type$_t_string_storage_ptr_$", "typeString": "type(string storage pointer)" }, "typeName": { "id": 16127, "name": "string", "nodeType": "ElementaryTypeName", "src": "2072:6:12", "typeDescriptions": {} } }, "id": 16130, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2072:14:12", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 16066, "id": 16131, "nodeType": "Return", "src": "2065:21:12" } ] }, "documentation": { "id": 16058, "nodeType": "StructuredDocumentation", "src": "1535:112:12", "text": " @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length." }, "id": 16133, "implemented": true, "kind": "function", "modifiers": [], "name": "toHexString", "nameLocation": "1661:11:12", "nodeType": "FunctionDefinition", "parameters": { "id": 16063, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16060, "mutability": "mutable", "name": "value", "nameLocation": "1681:5:12", "nodeType": "VariableDeclaration", "scope": 16133, "src": "1673:13:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16059, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1673:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 16062, "mutability": "mutable", "name": "length", "nameLocation": "1696:6:12", "nodeType": "VariableDeclaration", "scope": 16133, "src": "1688:14:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16061, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1688:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1672:31:12" }, "returnParameters": { "id": 16066, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16065, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 16133, "src": "1727:13:12", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 16064, "name": "string", "nodeType": "ElementaryTypeName", "src": "1727:6:12", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "1726:15:12" }, "scope": 16154, "src": "1652:441:12", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 16152, "nodeType": "Block", "src": "2318:76:12", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "arguments": [ { "id": 16146, "name": "addr", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16136, "src": "2363:4:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 16145, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2355:7:12", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint160_$", "typeString": "type(uint160)" }, "typeName": { "id": 16144, "name": "uint160", "nodeType": "ElementaryTypeName", "src": "2355:7:12", "typeDescriptions": {} } }, "id": 16147, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2355:13:12", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint160", "typeString": "uint160" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint160", "typeString": "uint160" } ], "id": 16143, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2347:7:12", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": { "id": 16142, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2347:7:12", "typeDescriptions": {} } }, "id": 16148, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2347:22:12", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 16149, "name": "_ADDRESS_LENGTH", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15937, "src": "2371:15:12", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 16141, "name": "toHexString", "nodeType": "Identifier", "overloadedDeclarations": [ 16057, 16133, 16153 ], "referencedDeclaration": 16133, "src": "2335:11:12", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_string_memory_ptr_$", "typeString": "function (uint256,uint256) pure returns (string memory)" } }, "id": 16150, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2335:52:12", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 16140, "id": 16151, "nodeType": "Return", "src": "2328:59:12" } ] }, "documentation": { "id": 16134, "nodeType": "StructuredDocumentation", "src": "2099:141:12", "text": " @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation." }, "id": 16153, "implemented": true, "kind": "function", "modifiers": [], "name": "toHexString", "nameLocation": "2254:11:12", "nodeType": "FunctionDefinition", "parameters": { "id": 16137, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16136, "mutability": "mutable", "name": "addr", "nameLocation": "2274:4:12", "nodeType": "VariableDeclaration", "scope": 16153, "src": "2266:12:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 16135, "name": "address", "nodeType": "ElementaryTypeName", "src": "2266:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "2265:14:12" }, "returnParameters": { "id": 16140, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16139, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 16153, "src": "2303:13:12", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 16138, "name": "string", "nodeType": "ElementaryTypeName", "src": "2303:6:12", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "2302:15:12" }, "scope": 16154, "src": "2245:149:12", "stateMutability": "pure", "virtual": false, "visibility": "internal" } ], "scope": 16155, "src": "161:2235:12" } ], "src": "101:2296:12" }, "bytecode": "60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea26469706673582212206823b35fd293db2198d365b6ca218854ecd821d667d9e65c1893f5e79efcd0e964736f6c63430008020033", "bytecodeSha1": "1ce946f6a4eaa185320328620ccf999b9e86db7c", "compiler": { "evm_version": "istanbul", "optimizer": { "enabled": true, "runs": 200 }, "version": "0.8.2+commit.661d1103" }, "contractName": "Strings", "coverageMap": { "branches": { "12": {} }, "statements": { "12": {} } }, "dependencies": [], "deployedBytecode": "73000000000000000000000000000000000000000030146080604052600080fdfea26469706673582212206823b35fd293db2198d365b6ca218854ecd821d667d9e65c1893f5e79efcd0e964736f6c63430008020033", "deployedSourceMap": "161:2235:12:-:0;;;;;;;;", "language": "Solidity", "natspec": { "details": "String operations.", "kind": "dev", "methods": {}, "version": 1 }, "offset": [ 161, 2396 ], "opcodes": "PUSH20 0x0 ADDRESS EQ PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x0 DUP1 REVERT INVALID LOG2 PUSH5 0x6970667358 0x22 SLT KECCAK256 PUSH9 0x23B35FD293DB2198D3 PUSH6 0xB6CA218854EC 0xD8 0x21 0xD6 PUSH8 0xD9E65C1893F5E79E 0xFC 0xD0 0xE9 PUSH5 0x736F6C6343 STOP ADDMOD MUL STOP CALLER ", "pcMap": { "0": { "offset": [ 161, 2396 ], "op": "PUSH20", "path": "12", "value": "0x0" }, "21": { "fn": null, "offset": [ 161, 2396 ], "op": "ADDRESS", "path": "12" }, "22": { "fn": null, "offset": [ 161, 2396 ], "op": "EQ", "path": "12" }, "23": { "fn": null, "offset": [ 161, 2396 ], "op": "PUSH1", "path": "12", "value": "0x80" }, "25": { "fn": null, "offset": [ 161, 2396 ], "op": "PUSH1", "path": "12", "value": "0x40" }, "27": { "fn": null, "offset": [ 161, 2396 ], "op": "MSTORE", "path": "12" }, "28": { "fn": null, "offset": [ 161, 2396 ], "op": "PUSH1", "path": "12", "value": "0x0" }, "30": { "fn": null, "offset": [ 161, 2396 ], "op": "DUP1", "path": "12" }, "31": { "fn": null, "offset": [ 161, 2396 ], "op": "REVERT", "path": "12" } }, "sha1": "64a06a9e23bae30c0bbeb4b6acb408ae54f6c379", "source": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\n uint8 private constant _ADDRESS_LENGTH = 20;\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n */\n function toString(uint256 value) internal pure returns (string memory) {\n // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n }\n return string(buffer);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n */\n function toHexString(uint256 value) internal pure returns (string memory) {\n if (value == 0) {\n return \"0x00\";\n }\n uint256 temp = value;\n uint256 length = 0;\n while (temp != 0) {\n length++;\n temp >>= 8;\n }\n return toHexString(value, length);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n */\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 * length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _HEX_SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n\n /**\n * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n */\n function toHexString(address addr) internal pure returns (string memory) {\n return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n }\n}\n", "sourceMap": "161:2235:12:-:0;;;;;;;;;;;;;;;-1:-1:-1;;;161:2235:12;;;;;;;;;;;;;;;;;", "sourcePath": "/home/vscode/.brownie/packages/OpenZeppelin/openzeppelin-contracts@4.7.3/contracts/utils/Strings.sol", "type": "library" }