{ "contractName": "StringsUpgradeable", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.8.17+commit.8df45f5f\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"details\":\"String operations.\",\"kind\":\"dev\",\"methods\":{},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol\":\"StringsUpgradeable\"},\"evmVersion\":\"london\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":100},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol\":{\"keccak256\":\"0xea5339a7fff0ed42b45be56a88efdd0b2ddde9fa480dc99fef9a6a4c5b776863\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://841619682637df5579b4c396d281d6c55b26f1b1acce1d0ab67bead5e39cf60c\",\"dweb:/ipfs/QmNRtuKp43ZHJwswdyT3GivY4fDMvz3cxBe1FfDthG1JGj\"]}},\"version\":1}", "bytecode": "0x60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220e1b954184b10f3afa986d34414421f1279b5844235badf78d0f387a21fc0596464736f6c63430008110033", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220e1b954184b10f3afa986d34414421f1279b5844235badf78d0f387a21fc0596464736f6c63430008110033", "immutableReferences": {}, "generatedSources": [], "deployedGeneratedSources": [], "sourceMap": "161:2246:60:-:0;;;;;;;;;;;;;;;-1:-1:-1;;;161:2246:60;;;;;;;;;;;;;;;;;", "deployedSourceMap": "161:2246:60:-:0;;;;;;;;", "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 StringsUpgradeable {\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", "sourcePath": "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol", "ast": { "absolutePath": "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol", "exportedSymbols": { "StringsUpgradeable": [ 16694 ] }, "id": 16695, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 16470, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "101:23:60" }, { "abstract": false, "baseContracts": [], "canonicalName": "StringsUpgradeable", "contractDependencies": [], "contractKind": "library", "documentation": { "id": 16471, "nodeType": "StructuredDocumentation", "src": "126:34:60", "text": " @dev String operations." }, "fullyImplemented": true, "id": 16694, "linearizedBaseContracts": [ 16694 ], "name": "StringsUpgradeable", "nameLocation": "169:18:60", "nodeType": "ContractDefinition", "nodes": [ { "constant": true, "id": 16474, "mutability": "constant", "name": "_HEX_SYMBOLS", "nameLocation": "219:12:60", "nodeType": "VariableDeclaration", "scope": 16694, "src": "194:58:60", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes16", "typeString": "bytes16" }, "typeName": { "id": 16472, "name": "bytes16", "nodeType": "ElementaryTypeName", "src": "194:7:60", "typeDescriptions": { "typeIdentifier": "t_bytes16", "typeString": "bytes16" } }, "value": { "hexValue": "30313233343536373839616263646566", "id": 16473, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "234:18:60", "typeDescriptions": { "typeIdentifier": "t_stringliteral_cb29997ed99ead0db59ce4d12b7d3723198c827273e5796737c926d78019c39f", "typeString": "literal_string \"0123456789abcdef\"" }, "value": "0123456789abcdef" }, "visibility": "private" }, { "constant": true, "id": 16477, "mutability": "constant", "name": "_ADDRESS_LENGTH", "nameLocation": "281:15:60", "nodeType": "VariableDeclaration", "scope": 16694, "src": "258:43:60", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 16475, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "258:5:60", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "3230", "id": 16476, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "299:2:60", "typeDescriptions": { "typeIdentifier": "t_rational_20_by_1", "typeString": "int_const 20" }, "value": "20" }, "visibility": "private" }, { "body": { "id": 16555, "nodeType": "Block", "src": "474:632:60", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16487, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16485, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16480, "src": "676:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 16486, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "685:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "676:10:60", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16491, "nodeType": "IfStatement", "src": "672:51:60", "trueBody": { "id": 16490, "nodeType": "Block", "src": "688:35:60", "statements": [ { "expression": { "hexValue": "30", "id": 16488, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "709:3:60", "typeDescriptions": { "typeIdentifier": "t_stringliteral_044852b2a670ade5407e78fb2863c51de9fcb96542a07186fe3aeda6bb8a116d", "typeString": "literal_string \"0\"" }, "value": "0" }, "functionReturnParameters": 16484, "id": 16489, "nodeType": "Return", "src": "702:10:60" } ] } }, { "assignments": [ 16493 ], "declarations": [ { "constant": false, "id": 16493, "mutability": "mutable", "name": "temp", "nameLocation": "740:4:60", "nodeType": "VariableDeclaration", "scope": 16555, "src": "732:12:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16492, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "732:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 16495, "initialValue": { "id": 16494, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16480, "src": "747:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "732:20:60" }, { "assignments": [ 16497 ], "declarations": [ { "constant": false, "id": 16497, "mutability": "mutable", "name": "digits", "nameLocation": "770:6:60", "nodeType": "VariableDeclaration", "scope": 16555, "src": "762:14:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16496, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "762:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 16498, "nodeType": "VariableDeclarationStatement", "src": "762:14:60" }, { "body": { "id": 16509, "nodeType": "Block", "src": "804:57:60", "statements": [ { "expression": { "id": 16503, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "818:8:60", "subExpression": { "id": 16502, "name": "digits", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16497, "src": "818:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16504, "nodeType": "ExpressionStatement", "src": "818:8:60" }, { "expression": { "id": 16507, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 16505, "name": "temp", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16493, "src": "840:4:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "/=", "rightHandSide": { "hexValue": "3130", "id": 16506, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "848:2:60", "typeDescriptions": { "typeIdentifier": "t_rational_10_by_1", "typeString": "int_const 10" }, "value": "10" }, "src": "840:10:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16508, "nodeType": "ExpressionStatement", "src": "840:10:60" } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16501, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16499, "name": "temp", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16493, "src": "793:4:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "hexValue": "30", "id": 16500, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "801:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "793:9:60", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16510, "nodeType": "WhileStatement", "src": "786:75:60" }, { "assignments": [ 16512 ], "declarations": [ { "constant": false, "id": 16512, "mutability": "mutable", "name": "buffer", "nameLocation": "883:6:60", "nodeType": "VariableDeclaration", "scope": 16555, "src": "870:19:60", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 16511, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "870:5:60", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "id": 16517, "initialValue": { "arguments": [ { "id": 16515, "name": "digits", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16497, "src": "902:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 16514, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "NewExpression", "src": "892:9:60", "typeDescriptions": { "typeIdentifier": "t_function_objectcreation_pure$_t_uint256_$returns$_t_bytes_memory_ptr_$", "typeString": "function (uint256) pure returns (bytes memory)" }, "typeName": { "id": 16513, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "896:5:60", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } } }, "id": 16516, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "892:17:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "870:39:60" }, { "body": { "id": 16548, "nodeType": "Block", "src": "938:131:60", "statements": [ { "expression": { "id": 16523, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 16521, "name": "digits", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16497, "src": "952:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "hexValue": "31", "id": 16522, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "962:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "952:11:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16524, "nodeType": "ExpressionStatement", "src": "952:11:60" }, { "expression": { "id": 16542, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 16525, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16512, "src": "977:6:60", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 16527, "indexExpression": { "id": 16526, "name": "digits", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16497, "src": "984:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "977:14:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16539, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "3438", "id": 16532, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1007:2:60", "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": 16537, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16535, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16480, "src": "1020:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "%", "rightExpression": { "hexValue": "3130", "id": 16536, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1028:2:60", "typeDescriptions": { "typeIdentifier": "t_rational_10_by_1", "typeString": "int_const 10" }, "value": "10" }, "src": "1020:10:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 16534, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1012:7:60", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": { "id": 16533, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1012:7:60", "typeDescriptions": {} } }, "id": 16538, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1012:19:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1007:24:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 16531, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1001:5:60", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint8_$", "typeString": "type(uint8)" }, "typeName": { "id": 16530, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "1001:5:60", "typeDescriptions": {} } }, "id": 16540, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1001:31:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 16529, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "994:6:60", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes1_$", "typeString": "type(bytes1)" }, "typeName": { "id": 16528, "name": "bytes1", "nodeType": "ElementaryTypeName", "src": "994:6:60", "typeDescriptions": {} } }, "id": 16541, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "994:39:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "src": "977:56:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "id": 16543, "nodeType": "ExpressionStatement", "src": "977:56:60" }, { "expression": { "id": 16546, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 16544, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16480, "src": "1047:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "/=", "rightHandSide": { "hexValue": "3130", "id": 16545, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1056:2:60", "typeDescriptions": { "typeIdentifier": "t_rational_10_by_1", "typeString": "int_const 10" }, "value": "10" }, "src": "1047:11:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16547, "nodeType": "ExpressionStatement", "src": "1047:11:60" } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16520, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16518, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16480, "src": "926:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "hexValue": "30", "id": 16519, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "935:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "926:10:60", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16549, "nodeType": "WhileStatement", "src": "919:150:60" }, { "expression": { "arguments": [ { "id": 16552, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16512, "src": "1092:6:60", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 16551, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1085:6:60", "typeDescriptions": { "typeIdentifier": "t_type$_t_string_storage_ptr_$", "typeString": "type(string storage pointer)" }, "typeName": { "id": 16550, "name": "string", "nodeType": "ElementaryTypeName", "src": "1085:6:60", "typeDescriptions": {} } }, "id": 16553, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1085:14:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 16484, "id": 16554, "nodeType": "Return", "src": "1078:21:60" } ] }, "documentation": { "id": 16478, "nodeType": "StructuredDocumentation", "src": "308:90:60", "text": " @dev Converts a `uint256` to its ASCII `string` decimal representation." }, "id": 16556, "implemented": true, "kind": "function", "modifiers": [], "name": "toString", "nameLocation": "412:8:60", "nodeType": "FunctionDefinition", "parameters": { "id": 16481, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16480, "mutability": "mutable", "name": "value", "nameLocation": "429:5:60", "nodeType": "VariableDeclaration", "scope": 16556, "src": "421:13:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16479, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "421:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "420:15:60" }, "returnParameters": { "id": 16484, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16483, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 16556, "src": "459:13:60", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 16482, "name": "string", "nodeType": "ElementaryTypeName", "src": "459:6:60", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "458:15:60" }, "scope": 16694, "src": "403:703:60", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 16596, "nodeType": "Block", "src": "1285:255:60", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16566, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16564, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16559, "src": "1299:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 16565, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1308:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1299:10:60", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16570, "nodeType": "IfStatement", "src": "1295:54:60", "trueBody": { "id": 16569, "nodeType": "Block", "src": "1311:38:60", "statements": [ { "expression": { "hexValue": "30783030", "id": 16567, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1332:6:60", "typeDescriptions": { "typeIdentifier": "t_stringliteral_27489e20a0060b723a1748bdff5e44570ee9fae64141728105692eac6031e8a4", "typeString": "literal_string \"0x00\"" }, "value": "0x00" }, "functionReturnParameters": 16563, "id": 16568, "nodeType": "Return", "src": "1325:13:60" } ] } }, { "assignments": [ 16572 ], "declarations": [ { "constant": false, "id": 16572, "mutability": "mutable", "name": "temp", "nameLocation": "1366:4:60", "nodeType": "VariableDeclaration", "scope": 16596, "src": "1358:12:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16571, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1358:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 16574, "initialValue": { "id": 16573, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16559, "src": "1373:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "1358:20:60" }, { "assignments": [ 16576 ], "declarations": [ { "constant": false, "id": 16576, "mutability": "mutable", "name": "length", "nameLocation": "1396:6:60", "nodeType": "VariableDeclaration", "scope": 16596, "src": "1388:14:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16575, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1388:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 16578, "initialValue": { "hexValue": "30", "id": 16577, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1405:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "1388:18:60" }, { "body": { "id": 16589, "nodeType": "Block", "src": "1434:57:60", "statements": [ { "expression": { "id": 16583, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "1448:8:60", "subExpression": { "id": 16582, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16576, "src": "1448:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16584, "nodeType": "ExpressionStatement", "src": "1448:8:60" }, { "expression": { "id": 16587, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 16585, "name": "temp", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16572, "src": "1470:4:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": ">>=", "rightHandSide": { "hexValue": "38", "id": 16586, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1479:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_8_by_1", "typeString": "int_const 8" }, "value": "8" }, "src": "1470:10:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16588, "nodeType": "ExpressionStatement", "src": "1470:10:60" } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16581, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16579, "name": "temp", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16572, "src": "1423:4:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "hexValue": "30", "id": 16580, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1431:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1423:9:60", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16590, "nodeType": "WhileStatement", "src": "1416:75:60" }, { "expression": { "arguments": [ { "id": 16592, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16559, "src": "1519:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 16593, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16576, "src": "1526:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 16591, "name": "toHexString", "nodeType": "Identifier", "overloadedDeclarations": [ 16597, 16673, 16693 ], "referencedDeclaration": 16673, "src": "1507:11:60", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_string_memory_ptr_$", "typeString": "function (uint256,uint256) pure returns (string memory)" } }, "id": 16594, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1507:26:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 16563, "id": 16595, "nodeType": "Return", "src": "1500:33:60" } ] }, "documentation": { "id": 16557, "nodeType": "StructuredDocumentation", "src": "1112:94:60", "text": " @dev Converts a `uint256` to its ASCII `string` hexadecimal representation." }, "id": 16597, "implemented": true, "kind": "function", "modifiers": [], "name": "toHexString", "nameLocation": "1220:11:60", "nodeType": "FunctionDefinition", "parameters": { "id": 16560, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16559, "mutability": "mutable", "name": "value", "nameLocation": "1240:5:60", "nodeType": "VariableDeclaration", "scope": 16597, "src": "1232:13:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16558, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1232:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1231:15:60" }, "returnParameters": { "id": 16563, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16562, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 16597, "src": "1270:13:60", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 16561, "name": "string", "nodeType": "ElementaryTypeName", "src": "1270:6:60", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "1269:15:60" }, "scope": 16694, "src": "1211:329:60", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 16672, "nodeType": "Block", "src": "1753:351:60", "statements": [ { "assignments": [ 16608 ], "declarations": [ { "constant": false, "id": 16608, "mutability": "mutable", "name": "buffer", "nameLocation": "1776:6:60", "nodeType": "VariableDeclaration", "scope": 16672, "src": "1763:19:60", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 16607, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1763:5:60", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "id": 16617, "initialValue": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16615, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16613, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "32", "id": 16611, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1795:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "id": 16612, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16602, "src": "1799:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1795:10:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "hexValue": "32", "id": 16614, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1808:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "src": "1795:14:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 16610, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "NewExpression", "src": "1785:9:60", "typeDescriptions": { "typeIdentifier": "t_function_objectcreation_pure$_t_uint256_$returns$_t_bytes_memory_ptr_$", "typeString": "function (uint256) pure returns (bytes memory)" }, "typeName": { "id": 16609, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1789:5:60", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } } }, "id": 16616, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1785:25:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "1763:47:60" }, { "expression": { "id": 16622, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 16618, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16608, "src": "1820:6:60", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 16620, "indexExpression": { "hexValue": "30", "id": 16619, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1827:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1820:9:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "hexValue": "30", "id": 16621, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1832:3:60", "typeDescriptions": { "typeIdentifier": "t_stringliteral_044852b2a670ade5407e78fb2863c51de9fcb96542a07186fe3aeda6bb8a116d", "typeString": "literal_string \"0\"" }, "value": "0" }, "src": "1820:15:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "id": 16623, "nodeType": "ExpressionStatement", "src": "1820:15:60" }, { "expression": { "id": 16628, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 16624, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16608, "src": "1845:6:60", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 16626, "indexExpression": { "hexValue": "31", "id": 16625, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1852:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1845:9:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "hexValue": "78", "id": 16627, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1857:3:60", "typeDescriptions": { "typeIdentifier": "t_stringliteral_7521d1cadbcfa91eec65aa16715b94ffc1c9654ba57ea2ef1a2127bca1127a83", "typeString": "literal_string \"x\"" }, "value": "x" }, "src": "1845:15:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "id": 16629, "nodeType": "ExpressionStatement", "src": "1845:15:60" }, { "body": { "id": 16658, "nodeType": "Block", "src": "1915:87:60", "statements": [ { "expression": { "id": 16652, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 16644, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16608, "src": "1929:6:60", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 16646, "indexExpression": { "id": 16645, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16631, "src": "1936:1:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1929:9:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "baseExpression": { "id": 16647, "name": "_HEX_SYMBOLS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16474, "src": "1941:12:60", "typeDescriptions": { "typeIdentifier": "t_bytes16", "typeString": "bytes16" } }, "id": 16651, "indexExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16650, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16648, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16600, "src": "1954:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "&", "rightExpression": { "hexValue": "307866", "id": 16649, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1962:3:60", "typeDescriptions": { "typeIdentifier": "t_rational_15_by_1", "typeString": "int_const 15" }, "value": "0xf" }, "src": "1954:11:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1941:25:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "src": "1929:37:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "id": 16653, "nodeType": "ExpressionStatement", "src": "1929:37:60" }, { "expression": { "id": 16656, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 16654, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16600, "src": "1980:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": ">>=", "rightHandSide": { "hexValue": "34", "id": 16655, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1990:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_4_by_1", "typeString": "int_const 4" }, "value": "4" }, "src": "1980:11:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16657, "nodeType": "ExpressionStatement", "src": "1980:11:60" } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16640, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16638, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16631, "src": "1903:1:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "hexValue": "31", "id": 16639, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1907:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "1903:5:60", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16659, "initializationExpression": { "assignments": [ 16631 ], "declarations": [ { "constant": false, "id": 16631, "mutability": "mutable", "name": "i", "nameLocation": "1883:1:60", "nodeType": "VariableDeclaration", "scope": 16659, "src": "1875:9:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16630, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1875:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 16637, "initialValue": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16636, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16634, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "32", "id": 16632, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1887:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "id": 16633, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16602, "src": "1891:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1887:10:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "hexValue": "31", "id": 16635, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1900:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "1887:14:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "1875:26:60" }, "loopExpression": { "expression": { "id": 16642, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "--", "prefix": true, "src": "1910:3:60", "subExpression": { "id": 16641, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16631, "src": "1912:1:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16643, "nodeType": "ExpressionStatement", "src": "1910:3:60" }, "nodeType": "ForStatement", "src": "1870:132:60" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16663, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16661, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16600, "src": "2019:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 16662, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2028:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2019:10:60", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "537472696e67733a20686578206c656e67746820696e73756666696369656e74", "id": 16664, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2031:34:60", "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": 16660, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "2011:7:60", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 16665, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "2011:55:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 16666, "nodeType": "ExpressionStatement", "src": "2011:55:60" }, { "expression": { "arguments": [ { "id": 16669, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16608, "src": "2090:6:60", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 16668, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2083:6:60", "typeDescriptions": { "typeIdentifier": "t_type$_t_string_storage_ptr_$", "typeString": "type(string storage pointer)" }, "typeName": { "id": 16667, "name": "string", "nodeType": "ElementaryTypeName", "src": "2083:6:60", "typeDescriptions": {} } }, "id": 16670, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "2083:14:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 16606, "id": 16671, "nodeType": "Return", "src": "2076:21:60" } ] }, "documentation": { "id": 16598, "nodeType": "StructuredDocumentation", "src": "1546:112:60", "text": " @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length." }, "id": 16673, "implemented": true, "kind": "function", "modifiers": [], "name": "toHexString", "nameLocation": "1672:11:60", "nodeType": "FunctionDefinition", "parameters": { "id": 16603, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16600, "mutability": "mutable", "name": "value", "nameLocation": "1692:5:60", "nodeType": "VariableDeclaration", "scope": 16673, "src": "1684:13:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16599, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1684:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 16602, "mutability": "mutable", "name": "length", "nameLocation": "1707:6:60", "nodeType": "VariableDeclaration", "scope": 16673, "src": "1699:14:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16601, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1699:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1683:31:60" }, "returnParameters": { "id": 16606, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16605, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 16673, "src": "1738:13:60", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 16604, "name": "string", "nodeType": "ElementaryTypeName", "src": "1738:6:60", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "1737:15:60" }, "scope": 16694, "src": "1663:441:60", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 16692, "nodeType": "Block", "src": "2329:76:60", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "arguments": [ { "id": 16686, "name": "addr", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16676, "src": "2374:4:60", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 16685, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2366:7:60", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint160_$", "typeString": "type(uint160)" }, "typeName": { "id": 16684, "name": "uint160", "nodeType": "ElementaryTypeName", "src": "2366:7:60", "typeDescriptions": {} } }, "id": 16687, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "2366:13:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint160", "typeString": "uint160" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint160", "typeString": "uint160" } ], "id": 16683, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2358:7:60", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": { "id": 16682, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2358:7:60", "typeDescriptions": {} } }, "id": 16688, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "2358:22:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 16689, "name": "_ADDRESS_LENGTH", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16477, "src": "2382:15:60", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 16681, "name": "toHexString", "nodeType": "Identifier", "overloadedDeclarations": [ 16597, 16673, 16693 ], "referencedDeclaration": 16673, "src": "2346:11:60", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_string_memory_ptr_$", "typeString": "function (uint256,uint256) pure returns (string memory)" } }, "id": 16690, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "2346:52:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 16680, "id": 16691, "nodeType": "Return", "src": "2339:59:60" } ] }, "documentation": { "id": 16674, "nodeType": "StructuredDocumentation", "src": "2110:141:60", "text": " @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation." }, "id": 16693, "implemented": true, "kind": "function", "modifiers": [], "name": "toHexString", "nameLocation": "2265:11:60", "nodeType": "FunctionDefinition", "parameters": { "id": 16677, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16676, "mutability": "mutable", "name": "addr", "nameLocation": "2285:4:60", "nodeType": "VariableDeclaration", "scope": 16693, "src": "2277:12:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 16675, "name": "address", "nodeType": "ElementaryTypeName", "src": "2277:7:60", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "2276:14:60" }, "returnParameters": { "id": 16680, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16679, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 16693, "src": "2314:13:60", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 16678, "name": "string", "nodeType": "ElementaryTypeName", "src": "2314:6:60", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "2313:15:60" }, "scope": 16694, "src": "2256:149:60", "stateMutability": "pure", "virtual": false, "visibility": "internal" } ], "scope": 16695, "src": "161:2246:60", "usedErrors": [] } ], "src": "101:2307:60" }, "legacyAST": { "absolutePath": "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol", "exportedSymbols": { "StringsUpgradeable": [ 16694 ] }, "id": 16695, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 16470, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "101:23:60" }, { "abstract": false, "baseContracts": [], "canonicalName": "StringsUpgradeable", "contractDependencies": [], "contractKind": "library", "documentation": { "id": 16471, "nodeType": "StructuredDocumentation", "src": "126:34:60", "text": " @dev String operations." }, "fullyImplemented": true, "id": 16694, "linearizedBaseContracts": [ 16694 ], "name": "StringsUpgradeable", "nameLocation": "169:18:60", "nodeType": "ContractDefinition", "nodes": [ { "constant": true, "id": 16474, "mutability": "constant", "name": "_HEX_SYMBOLS", "nameLocation": "219:12:60", "nodeType": "VariableDeclaration", "scope": 16694, "src": "194:58:60", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes16", "typeString": "bytes16" }, "typeName": { "id": 16472, "name": "bytes16", "nodeType": "ElementaryTypeName", "src": "194:7:60", "typeDescriptions": { "typeIdentifier": "t_bytes16", "typeString": "bytes16" } }, "value": { "hexValue": "30313233343536373839616263646566", "id": 16473, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "234:18:60", "typeDescriptions": { "typeIdentifier": "t_stringliteral_cb29997ed99ead0db59ce4d12b7d3723198c827273e5796737c926d78019c39f", "typeString": "literal_string \"0123456789abcdef\"" }, "value": "0123456789abcdef" }, "visibility": "private" }, { "constant": true, "id": 16477, "mutability": "constant", "name": "_ADDRESS_LENGTH", "nameLocation": "281:15:60", "nodeType": "VariableDeclaration", "scope": 16694, "src": "258:43:60", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 16475, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "258:5:60", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "3230", "id": 16476, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "299:2:60", "typeDescriptions": { "typeIdentifier": "t_rational_20_by_1", "typeString": "int_const 20" }, "value": "20" }, "visibility": "private" }, { "body": { "id": 16555, "nodeType": "Block", "src": "474:632:60", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16487, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16485, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16480, "src": "676:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 16486, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "685:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "676:10:60", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16491, "nodeType": "IfStatement", "src": "672:51:60", "trueBody": { "id": 16490, "nodeType": "Block", "src": "688:35:60", "statements": [ { "expression": { "hexValue": "30", "id": 16488, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "709:3:60", "typeDescriptions": { "typeIdentifier": "t_stringliteral_044852b2a670ade5407e78fb2863c51de9fcb96542a07186fe3aeda6bb8a116d", "typeString": "literal_string \"0\"" }, "value": "0" }, "functionReturnParameters": 16484, "id": 16489, "nodeType": "Return", "src": "702:10:60" } ] } }, { "assignments": [ 16493 ], "declarations": [ { "constant": false, "id": 16493, "mutability": "mutable", "name": "temp", "nameLocation": "740:4:60", "nodeType": "VariableDeclaration", "scope": 16555, "src": "732:12:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16492, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "732:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 16495, "initialValue": { "id": 16494, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16480, "src": "747:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "732:20:60" }, { "assignments": [ 16497 ], "declarations": [ { "constant": false, "id": 16497, "mutability": "mutable", "name": "digits", "nameLocation": "770:6:60", "nodeType": "VariableDeclaration", "scope": 16555, "src": "762:14:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16496, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "762:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 16498, "nodeType": "VariableDeclarationStatement", "src": "762:14:60" }, { "body": { "id": 16509, "nodeType": "Block", "src": "804:57:60", "statements": [ { "expression": { "id": 16503, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "818:8:60", "subExpression": { "id": 16502, "name": "digits", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16497, "src": "818:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16504, "nodeType": "ExpressionStatement", "src": "818:8:60" }, { "expression": { "id": 16507, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 16505, "name": "temp", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16493, "src": "840:4:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "/=", "rightHandSide": { "hexValue": "3130", "id": 16506, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "848:2:60", "typeDescriptions": { "typeIdentifier": "t_rational_10_by_1", "typeString": "int_const 10" }, "value": "10" }, "src": "840:10:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16508, "nodeType": "ExpressionStatement", "src": "840:10:60" } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16501, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16499, "name": "temp", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16493, "src": "793:4:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "hexValue": "30", "id": 16500, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "801:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "793:9:60", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16510, "nodeType": "WhileStatement", "src": "786:75:60" }, { "assignments": [ 16512 ], "declarations": [ { "constant": false, "id": 16512, "mutability": "mutable", "name": "buffer", "nameLocation": "883:6:60", "nodeType": "VariableDeclaration", "scope": 16555, "src": "870:19:60", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 16511, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "870:5:60", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "id": 16517, "initialValue": { "arguments": [ { "id": 16515, "name": "digits", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16497, "src": "902:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 16514, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "NewExpression", "src": "892:9:60", "typeDescriptions": { "typeIdentifier": "t_function_objectcreation_pure$_t_uint256_$returns$_t_bytes_memory_ptr_$", "typeString": "function (uint256) pure returns (bytes memory)" }, "typeName": { "id": 16513, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "896:5:60", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } } }, "id": 16516, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "892:17:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "870:39:60" }, { "body": { "id": 16548, "nodeType": "Block", "src": "938:131:60", "statements": [ { "expression": { "id": 16523, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 16521, "name": "digits", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16497, "src": "952:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "hexValue": "31", "id": 16522, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "962:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "952:11:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16524, "nodeType": "ExpressionStatement", "src": "952:11:60" }, { "expression": { "id": 16542, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 16525, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16512, "src": "977:6:60", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 16527, "indexExpression": { "id": 16526, "name": "digits", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16497, "src": "984:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "977:14:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16539, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "3438", "id": 16532, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1007:2:60", "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": 16537, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16535, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16480, "src": "1020:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "%", "rightExpression": { "hexValue": "3130", "id": 16536, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1028:2:60", "typeDescriptions": { "typeIdentifier": "t_rational_10_by_1", "typeString": "int_const 10" }, "value": "10" }, "src": "1020:10:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 16534, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1012:7:60", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": { "id": 16533, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1012:7:60", "typeDescriptions": {} } }, "id": 16538, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1012:19:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1007:24:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 16531, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1001:5:60", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint8_$", "typeString": "type(uint8)" }, "typeName": { "id": 16530, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "1001:5:60", "typeDescriptions": {} } }, "id": 16540, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1001:31:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 16529, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "994:6:60", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes1_$", "typeString": "type(bytes1)" }, "typeName": { "id": 16528, "name": "bytes1", "nodeType": "ElementaryTypeName", "src": "994:6:60", "typeDescriptions": {} } }, "id": 16541, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "994:39:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "src": "977:56:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "id": 16543, "nodeType": "ExpressionStatement", "src": "977:56:60" }, { "expression": { "id": 16546, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 16544, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16480, "src": "1047:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "/=", "rightHandSide": { "hexValue": "3130", "id": 16545, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1056:2:60", "typeDescriptions": { "typeIdentifier": "t_rational_10_by_1", "typeString": "int_const 10" }, "value": "10" }, "src": "1047:11:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16547, "nodeType": "ExpressionStatement", "src": "1047:11:60" } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16520, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16518, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16480, "src": "926:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "hexValue": "30", "id": 16519, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "935:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "926:10:60", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16549, "nodeType": "WhileStatement", "src": "919:150:60" }, { "expression": { "arguments": [ { "id": 16552, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16512, "src": "1092:6:60", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 16551, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1085:6:60", "typeDescriptions": { "typeIdentifier": "t_type$_t_string_storage_ptr_$", "typeString": "type(string storage pointer)" }, "typeName": { "id": 16550, "name": "string", "nodeType": "ElementaryTypeName", "src": "1085:6:60", "typeDescriptions": {} } }, "id": 16553, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1085:14:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 16484, "id": 16554, "nodeType": "Return", "src": "1078:21:60" } ] }, "documentation": { "id": 16478, "nodeType": "StructuredDocumentation", "src": "308:90:60", "text": " @dev Converts a `uint256` to its ASCII `string` decimal representation." }, "id": 16556, "implemented": true, "kind": "function", "modifiers": [], "name": "toString", "nameLocation": "412:8:60", "nodeType": "FunctionDefinition", "parameters": { "id": 16481, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16480, "mutability": "mutable", "name": "value", "nameLocation": "429:5:60", "nodeType": "VariableDeclaration", "scope": 16556, "src": "421:13:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16479, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "421:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "420:15:60" }, "returnParameters": { "id": 16484, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16483, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 16556, "src": "459:13:60", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 16482, "name": "string", "nodeType": "ElementaryTypeName", "src": "459:6:60", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "458:15:60" }, "scope": 16694, "src": "403:703:60", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 16596, "nodeType": "Block", "src": "1285:255:60", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16566, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16564, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16559, "src": "1299:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 16565, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1308:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1299:10:60", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16570, "nodeType": "IfStatement", "src": "1295:54:60", "trueBody": { "id": 16569, "nodeType": "Block", "src": "1311:38:60", "statements": [ { "expression": { "hexValue": "30783030", "id": 16567, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1332:6:60", "typeDescriptions": { "typeIdentifier": "t_stringliteral_27489e20a0060b723a1748bdff5e44570ee9fae64141728105692eac6031e8a4", "typeString": "literal_string \"0x00\"" }, "value": "0x00" }, "functionReturnParameters": 16563, "id": 16568, "nodeType": "Return", "src": "1325:13:60" } ] } }, { "assignments": [ 16572 ], "declarations": [ { "constant": false, "id": 16572, "mutability": "mutable", "name": "temp", "nameLocation": "1366:4:60", "nodeType": "VariableDeclaration", "scope": 16596, "src": "1358:12:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16571, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1358:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 16574, "initialValue": { "id": 16573, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16559, "src": "1373:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "1358:20:60" }, { "assignments": [ 16576 ], "declarations": [ { "constant": false, "id": 16576, "mutability": "mutable", "name": "length", "nameLocation": "1396:6:60", "nodeType": "VariableDeclaration", "scope": 16596, "src": "1388:14:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16575, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1388:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 16578, "initialValue": { "hexValue": "30", "id": 16577, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1405:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "1388:18:60" }, { "body": { "id": 16589, "nodeType": "Block", "src": "1434:57:60", "statements": [ { "expression": { "id": 16583, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "1448:8:60", "subExpression": { "id": 16582, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16576, "src": "1448:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16584, "nodeType": "ExpressionStatement", "src": "1448:8:60" }, { "expression": { "id": 16587, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 16585, "name": "temp", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16572, "src": "1470:4:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": ">>=", "rightHandSide": { "hexValue": "38", "id": 16586, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1479:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_8_by_1", "typeString": "int_const 8" }, "value": "8" }, "src": "1470:10:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16588, "nodeType": "ExpressionStatement", "src": "1470:10:60" } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16581, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16579, "name": "temp", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16572, "src": "1423:4:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "hexValue": "30", "id": 16580, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1431:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1423:9:60", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16590, "nodeType": "WhileStatement", "src": "1416:75:60" }, { "expression": { "arguments": [ { "id": 16592, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16559, "src": "1519:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 16593, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16576, "src": "1526:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 16591, "name": "toHexString", "nodeType": "Identifier", "overloadedDeclarations": [ 16597, 16673, 16693 ], "referencedDeclaration": 16673, "src": "1507:11:60", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_string_memory_ptr_$", "typeString": "function (uint256,uint256) pure returns (string memory)" } }, "id": 16594, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1507:26:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 16563, "id": 16595, "nodeType": "Return", "src": "1500:33:60" } ] }, "documentation": { "id": 16557, "nodeType": "StructuredDocumentation", "src": "1112:94:60", "text": " @dev Converts a `uint256` to its ASCII `string` hexadecimal representation." }, "id": 16597, "implemented": true, "kind": "function", "modifiers": [], "name": "toHexString", "nameLocation": "1220:11:60", "nodeType": "FunctionDefinition", "parameters": { "id": 16560, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16559, "mutability": "mutable", "name": "value", "nameLocation": "1240:5:60", "nodeType": "VariableDeclaration", "scope": 16597, "src": "1232:13:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16558, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1232:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1231:15:60" }, "returnParameters": { "id": 16563, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16562, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 16597, "src": "1270:13:60", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 16561, "name": "string", "nodeType": "ElementaryTypeName", "src": "1270:6:60", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "1269:15:60" }, "scope": 16694, "src": "1211:329:60", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 16672, "nodeType": "Block", "src": "1753:351:60", "statements": [ { "assignments": [ 16608 ], "declarations": [ { "constant": false, "id": 16608, "mutability": "mutable", "name": "buffer", "nameLocation": "1776:6:60", "nodeType": "VariableDeclaration", "scope": 16672, "src": "1763:19:60", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 16607, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1763:5:60", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "id": 16617, "initialValue": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16615, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16613, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "32", "id": 16611, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1795:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "id": 16612, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16602, "src": "1799:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1795:10:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "hexValue": "32", "id": 16614, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1808:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "src": "1795:14:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 16610, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "NewExpression", "src": "1785:9:60", "typeDescriptions": { "typeIdentifier": "t_function_objectcreation_pure$_t_uint256_$returns$_t_bytes_memory_ptr_$", "typeString": "function (uint256) pure returns (bytes memory)" }, "typeName": { "id": 16609, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1789:5:60", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } } }, "id": 16616, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1785:25:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "1763:47:60" }, { "expression": { "id": 16622, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 16618, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16608, "src": "1820:6:60", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 16620, "indexExpression": { "hexValue": "30", "id": 16619, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1827:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1820:9:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "hexValue": "30", "id": 16621, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1832:3:60", "typeDescriptions": { "typeIdentifier": "t_stringliteral_044852b2a670ade5407e78fb2863c51de9fcb96542a07186fe3aeda6bb8a116d", "typeString": "literal_string \"0\"" }, "value": "0" }, "src": "1820:15:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "id": 16623, "nodeType": "ExpressionStatement", "src": "1820:15:60" }, { "expression": { "id": 16628, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 16624, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16608, "src": "1845:6:60", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 16626, "indexExpression": { "hexValue": "31", "id": 16625, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1852:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1845:9:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "hexValue": "78", "id": 16627, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1857:3:60", "typeDescriptions": { "typeIdentifier": "t_stringliteral_7521d1cadbcfa91eec65aa16715b94ffc1c9654ba57ea2ef1a2127bca1127a83", "typeString": "literal_string \"x\"" }, "value": "x" }, "src": "1845:15:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "id": 16629, "nodeType": "ExpressionStatement", "src": "1845:15:60" }, { "body": { "id": 16658, "nodeType": "Block", "src": "1915:87:60", "statements": [ { "expression": { "id": 16652, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 16644, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16608, "src": "1929:6:60", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 16646, "indexExpression": { "id": 16645, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16631, "src": "1936:1:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1929:9:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "baseExpression": { "id": 16647, "name": "_HEX_SYMBOLS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16474, "src": "1941:12:60", "typeDescriptions": { "typeIdentifier": "t_bytes16", "typeString": "bytes16" } }, "id": 16651, "indexExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16650, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16648, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16600, "src": "1954:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "&", "rightExpression": { "hexValue": "307866", "id": 16649, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1962:3:60", "typeDescriptions": { "typeIdentifier": "t_rational_15_by_1", "typeString": "int_const 15" }, "value": "0xf" }, "src": "1954:11:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1941:25:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "src": "1929:37:60", "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } }, "id": 16653, "nodeType": "ExpressionStatement", "src": "1929:37:60" }, { "expression": { "id": 16656, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 16654, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16600, "src": "1980:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": ">>=", "rightHandSide": { "hexValue": "34", "id": 16655, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1990:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_4_by_1", "typeString": "int_const 4" }, "value": "4" }, "src": "1980:11:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16657, "nodeType": "ExpressionStatement", "src": "1980:11:60" } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16640, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16638, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16631, "src": "1903:1:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "hexValue": "31", "id": 16639, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1907:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "1903:5:60", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 16659, "initializationExpression": { "assignments": [ 16631 ], "declarations": [ { "constant": false, "id": 16631, "mutability": "mutable", "name": "i", "nameLocation": "1883:1:60", "nodeType": "VariableDeclaration", "scope": 16659, "src": "1875:9:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16630, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1875:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 16637, "initialValue": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16636, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16634, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "32", "id": 16632, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1887:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "id": 16633, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16602, "src": "1891:6:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1887:10:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "hexValue": "31", "id": 16635, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1900:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "1887:14:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "1875:26:60" }, "loopExpression": { "expression": { "id": 16642, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "--", "prefix": true, "src": "1910:3:60", "subExpression": { "id": 16641, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16631, "src": "1912:1:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 16643, "nodeType": "ExpressionStatement", "src": "1910:3:60" }, "nodeType": "ForStatement", "src": "1870:132:60" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 16663, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 16661, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16600, "src": "2019:5:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 16662, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2028:1:60", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2019:10:60", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "537472696e67733a20686578206c656e67746820696e73756666696369656e74", "id": 16664, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2031:34:60", "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": 16660, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "2011:7:60", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 16665, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "2011:55:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 16666, "nodeType": "ExpressionStatement", "src": "2011:55:60" }, { "expression": { "arguments": [ { "id": 16669, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16608, "src": "2090:6:60", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 16668, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2083:6:60", "typeDescriptions": { "typeIdentifier": "t_type$_t_string_storage_ptr_$", "typeString": "type(string storage pointer)" }, "typeName": { "id": 16667, "name": "string", "nodeType": "ElementaryTypeName", "src": "2083:6:60", "typeDescriptions": {} } }, "id": 16670, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "2083:14:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 16606, "id": 16671, "nodeType": "Return", "src": "2076:21:60" } ] }, "documentation": { "id": 16598, "nodeType": "StructuredDocumentation", "src": "1546:112:60", "text": " @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length." }, "id": 16673, "implemented": true, "kind": "function", "modifiers": [], "name": "toHexString", "nameLocation": "1672:11:60", "nodeType": "FunctionDefinition", "parameters": { "id": 16603, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16600, "mutability": "mutable", "name": "value", "nameLocation": "1692:5:60", "nodeType": "VariableDeclaration", "scope": 16673, "src": "1684:13:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16599, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1684:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 16602, "mutability": "mutable", "name": "length", "nameLocation": "1707:6:60", "nodeType": "VariableDeclaration", "scope": 16673, "src": "1699:14:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 16601, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1699:7:60", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1683:31:60" }, "returnParameters": { "id": 16606, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16605, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 16673, "src": "1738:13:60", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 16604, "name": "string", "nodeType": "ElementaryTypeName", "src": "1738:6:60", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "1737:15:60" }, "scope": 16694, "src": "1663:441:60", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 16692, "nodeType": "Block", "src": "2329:76:60", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "arguments": [ { "id": 16686, "name": "addr", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16676, "src": "2374:4:60", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 16685, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2366:7:60", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint160_$", "typeString": "type(uint160)" }, "typeName": { "id": 16684, "name": "uint160", "nodeType": "ElementaryTypeName", "src": "2366:7:60", "typeDescriptions": {} } }, "id": 16687, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "2366:13:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint160", "typeString": "uint160" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint160", "typeString": "uint160" } ], "id": 16683, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2358:7:60", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": { "id": 16682, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2358:7:60", "typeDescriptions": {} } }, "id": 16688, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "2358:22:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 16689, "name": "_ADDRESS_LENGTH", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16477, "src": "2382:15:60", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 16681, "name": "toHexString", "nodeType": "Identifier", "overloadedDeclarations": [ 16597, 16673, 16693 ], "referencedDeclaration": 16673, "src": "2346:11:60", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_string_memory_ptr_$", "typeString": "function (uint256,uint256) pure returns (string memory)" } }, "id": 16690, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "2346:52:60", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 16680, "id": 16691, "nodeType": "Return", "src": "2339:59:60" } ] }, "documentation": { "id": 16674, "nodeType": "StructuredDocumentation", "src": "2110:141:60", "text": " @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation." }, "id": 16693, "implemented": true, "kind": "function", "modifiers": [], "name": "toHexString", "nameLocation": "2265:11:60", "nodeType": "FunctionDefinition", "parameters": { "id": 16677, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16676, "mutability": "mutable", "name": "addr", "nameLocation": "2285:4:60", "nodeType": "VariableDeclaration", "scope": 16693, "src": "2277:12:60", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 16675, "name": "address", "nodeType": "ElementaryTypeName", "src": "2277:7:60", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "2276:14:60" }, "returnParameters": { "id": 16680, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 16679, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 16693, "src": "2314:13:60", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 16678, "name": "string", "nodeType": "ElementaryTypeName", "src": "2314:6:60", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "2313:15:60" }, "scope": 16694, "src": "2256:149:60", "stateMutability": "pure", "virtual": false, "visibility": "internal" } ], "scope": 16695, "src": "161:2246:60", "usedErrors": [] } ], "src": "101:2307:60" }, "compiler": { "name": "solc", "version": "0.8.17+commit.8df45f5f.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.3.4", "updatedAt": "2023-02-10T04:50:49.674Z", "devdoc": { "details": "String operations.", "kind": "dev", "methods": {}, "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 } }