{ "contractName": "SafeCast", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"kind\":\"dev\",\"methods\":{},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"project:/contracts/utils/SafeCast.sol\":\"SafeCast\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"project:/contracts/utils/SafeCast.sol\":{\"keccak256\":\"0x07a3b86654f9e1a2d49822e82c7b98b8fe68767c21968c95951079c3048e82dc\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://21e7bc82101b94d832601e5e2707e25ed93e788e1a363196221748090aafbf30\",\"dweb:/ipfs/QmWcjBuFMXvGsicL3DgegAR6BEt7HnuN9SbSSUHEFWzybk\"]}},\"version\":1}", "bytecode": "0x60566023600b82828239805160001a607314601657fe5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea264697066735822122089fe74f51303a50e5390a734abf0a0a97c2bd2a6af95d77e843c6f4bc608266a64736f6c634300060c0033", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea264697066735822122089fe74f51303a50e5390a734abf0a0a97c2bd2a6af95d77e843c6f4bc608266a64736f6c634300060c0033", "immutableReferences": {}, "sourceMap": "59:712:55:-:0;;;;;;;;;;;;;;;;;;;;;;;;;", "deployedSourceMap": "59:712:55:-:0;;;;;;;;", "source": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.6.12;\n\n\nlibrary SafeCast {\n function toUint200(uint256 value) internal pure returns (uint200) {\n require(value < 2**200, \"value does not fit in 200 bits\");\n return uint200(value);\n }\n\n function toUint128(uint256 value) internal pure returns (uint128) {\n require(value < 2**128, \"value does not fit in 128 bits\");\n return uint128(value);\n }\n\n function toUint40(uint256 value) internal pure returns (uint40) {\n require(value < 2**40, \"value does not fit in 40 bits\");\n return uint40(value);\n }\n\n function toUint8(uint256 value) internal pure returns (uint8) {\n require(value < 2**8, \"value does not fit in 8 bits\");\n return uint8(value);\n }\n}\n", "sourcePath": "/home/sigo/w/deer/ethsub/packages/sol/contracts/utils/SafeCast.sol", "ast": { "absolutePath": "project:/contracts/utils/SafeCast.sol", "exportedSymbols": { "SafeCast": [ 10341 ] }, "id": 10342, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 10252, "literals": [ "solidity", "0.6", ".12" ], "nodeType": "PragmaDirective", "src": "33:23:55" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": null, "fullyImplemented": true, "id": 10341, "linearizedBaseContracts": [ 10341 ], "name": "SafeCast", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 10273, "nodeType": "Block", "src": "148:105:55", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 10264, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 10260, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10254, "src": "166:5:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_rational_1606938044258990275541962092341162602522202993782792835301376_by_1", "typeString": "int_const 1606...(53 digits omitted)...1376" }, "id": 10263, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "hexValue": "32", "id": 10261, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "174:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "nodeType": "BinaryOperation", "operator": "**", "rightExpression": { "argumentTypes": null, "hexValue": "323030", "id": 10262, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "177:3:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_200_by_1", "typeString": "int_const 200" }, "value": "200" }, "src": "174:6:55", "typeDescriptions": { "typeIdentifier": "t_rational_1606938044258990275541962092341162602522202993782792835301376_by_1", "typeString": "int_const 1606...(53 digits omitted)...1376" } }, "src": "166:14:55", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "76616c756520646f6573206e6f742066697420696e203230302062697473", "id": 10265, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "182:32:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_59e58ae7ab3a9ae814ea92465aea9521d3ac4a895bb563eae0a7e315c9c1e429", "typeString": "literal_string \"value does not fit in 200 bits\"" }, "value": "value does not fit in 200 bits" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_59e58ae7ab3a9ae814ea92465aea9521d3ac4a895bb563eae0a7e315c9c1e429", "typeString": "literal_string \"value does not fit in 200 bits\"" } ], "id": 10259, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "158:7:55", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 10266, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "158:57:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10267, "nodeType": "ExpressionStatement", "src": "158:57:55" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10270, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10254, "src": "240:5:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 10269, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "232:7:55", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint200_$", "typeString": "type(uint200)" }, "typeName": { "id": 10268, "name": "uint200", "nodeType": "ElementaryTypeName", "src": "232:7:55", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 10271, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "232:14:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint200", "typeString": "uint200" } }, "functionReturnParameters": 10258, "id": 10272, "nodeType": "Return", "src": "225:21:55" } ] }, "documentation": null, "id": 10274, "implemented": true, "kind": "function", "modifiers": [], "name": "toUint200", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10255, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10254, "mutability": "mutable", "name": "value", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10274, "src": "101:13:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 10253, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "101:7:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "100:15:55" }, "returnParameters": { "id": 10258, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10257, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10274, "src": "139:7:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint200", "typeString": "uint200" }, "typeName": { "id": 10256, "name": "uint200", "nodeType": "ElementaryTypeName", "src": "139:7:55", "typeDescriptions": { "typeIdentifier": "t_uint200", "typeString": "uint200" } }, "value": null, "visibility": "internal" } ], "src": "138:9:55" }, "scope": 10341, "src": "82:171:55", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 10295, "nodeType": "Block", "src": "325:105:55", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 10286, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 10282, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10276, "src": "343:5:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_rational_340282366920938463463374607431768211456_by_1", "typeString": "int_const 3402...(31 digits omitted)...1456" }, "id": 10285, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "hexValue": "32", "id": 10283, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "351:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "nodeType": "BinaryOperation", "operator": "**", "rightExpression": { "argumentTypes": null, "hexValue": "313238", "id": 10284, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "354:3:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_128_by_1", "typeString": "int_const 128" }, "value": "128" }, "src": "351:6:55", "typeDescriptions": { "typeIdentifier": "t_rational_340282366920938463463374607431768211456_by_1", "typeString": "int_const 3402...(31 digits omitted)...1456" } }, "src": "343:14:55", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "76616c756520646f6573206e6f742066697420696e203132382062697473", "id": 10287, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "359:32:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_151f3206c4f8ae714f4c8ff188c59ccf82367a7eb9996fd244eb22e73a441b52", "typeString": "literal_string \"value does not fit in 128 bits\"" }, "value": "value does not fit in 128 bits" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_151f3206c4f8ae714f4c8ff188c59ccf82367a7eb9996fd244eb22e73a441b52", "typeString": "literal_string \"value does not fit in 128 bits\"" } ], "id": 10281, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "335:7:55", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 10288, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "335:57:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10289, "nodeType": "ExpressionStatement", "src": "335:57:55" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10292, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10276, "src": "417:5:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 10291, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "409:7:55", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint128_$", "typeString": "type(uint128)" }, "typeName": { "id": 10290, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "409:7:55", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 10293, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "409:14:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "functionReturnParameters": 10280, "id": 10294, "nodeType": "Return", "src": "402:21:55" } ] }, "documentation": null, "id": 10296, "implemented": true, "kind": "function", "modifiers": [], "name": "toUint128", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10277, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10276, "mutability": "mutable", "name": "value", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10296, "src": "278:13:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 10275, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "278:7:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "277:15:55" }, "returnParameters": { "id": 10280, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10279, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10296, "src": "316:7:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 10278, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "316:7:55", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "src": "315:9:55" }, "scope": 10341, "src": "259:171:55", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 10317, "nodeType": "Block", "src": "500:102:55", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 10308, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 10304, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10298, "src": "518:5:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_rational_1099511627776_by_1", "typeString": "int_const 1099511627776" }, "id": 10307, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "hexValue": "32", "id": 10305, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "526:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "nodeType": "BinaryOperation", "operator": "**", "rightExpression": { "argumentTypes": null, "hexValue": "3430", "id": 10306, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "529:2:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_40_by_1", "typeString": "int_const 40" }, "value": "40" }, "src": "526:5:55", "typeDescriptions": { "typeIdentifier": "t_rational_1099511627776_by_1", "typeString": "int_const 1099511627776" } }, "src": "518:13:55", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "76616c756520646f6573206e6f742066697420696e2034302062697473", "id": 10309, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "533:31:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_172700490614e4dfe732cc281f73d181a1bd9e8d7b31c8a03ff282ea9d3cc656", "typeString": "literal_string \"value does not fit in 40 bits\"" }, "value": "value does not fit in 40 bits" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_172700490614e4dfe732cc281f73d181a1bd9e8d7b31c8a03ff282ea9d3cc656", "typeString": "literal_string \"value does not fit in 40 bits\"" } ], "id": 10303, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "510:7:55", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 10310, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "510:55:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10311, "nodeType": "ExpressionStatement", "src": "510:55:55" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10314, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10298, "src": "589:5:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 10313, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "582:6:55", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint40_$", "typeString": "type(uint40)" }, "typeName": { "id": 10312, "name": "uint40", "nodeType": "ElementaryTypeName", "src": "582:6:55", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 10315, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "582:13:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint40", "typeString": "uint40" } }, "functionReturnParameters": 10302, "id": 10316, "nodeType": "Return", "src": "575:20:55" } ] }, "documentation": null, "id": 10318, "implemented": true, "kind": "function", "modifiers": [], "name": "toUint40", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10299, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10298, "mutability": "mutable", "name": "value", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10318, "src": "454:13:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 10297, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "454:7:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "453:15:55" }, "returnParameters": { "id": 10302, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10301, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10318, "src": "492:6:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint40", "typeString": "uint40" }, "typeName": { "id": 10300, "name": "uint40", "nodeType": "ElementaryTypeName", "src": "492:6:55", "typeDescriptions": { "typeIdentifier": "t_uint40", "typeString": "uint40" } }, "value": null, "visibility": "internal" } ], "src": "491:8:55" }, "scope": 10341, "src": "436:166:55", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 10339, "nodeType": "Block", "src": "670:99:55", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 10330, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 10326, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10320, "src": "688:5:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_rational_256_by_1", "typeString": "int_const 256" }, "id": 10329, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "hexValue": "32", "id": 10327, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "696:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "nodeType": "BinaryOperation", "operator": "**", "rightExpression": { "argumentTypes": null, "hexValue": "38", "id": 10328, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "699:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_8_by_1", "typeString": "int_const 8" }, "value": "8" }, "src": "696:4:55", "typeDescriptions": { "typeIdentifier": "t_rational_256_by_1", "typeString": "int_const 256" } }, "src": "688:12:55", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "76616c756520646f6573206e6f742066697420696e20382062697473", "id": 10331, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "702:30:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_4e9c69b01191ff3a3d7ad79085f3da33cdc24596180720b08161130c17fa0258", "typeString": "literal_string \"value does not fit in 8 bits\"" }, "value": "value does not fit in 8 bits" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_4e9c69b01191ff3a3d7ad79085f3da33cdc24596180720b08161130c17fa0258", "typeString": "literal_string \"value does not fit in 8 bits\"" } ], "id": 10325, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "680:7:55", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 10332, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "680:53:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10333, "nodeType": "ExpressionStatement", "src": "680:53:55" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10336, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10320, "src": "756:5:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 10335, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "750:5:55", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint8_$", "typeString": "type(uint8)" }, "typeName": { "id": 10334, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "750:5:55", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 10337, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "750:12:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "functionReturnParameters": 10324, "id": 10338, "nodeType": "Return", "src": "743:19:55" } ] }, "documentation": null, "id": 10340, "implemented": true, "kind": "function", "modifiers": [], "name": "toUint8", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10321, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10320, "mutability": "mutable", "name": "value", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10340, "src": "625:13:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 10319, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "625:7:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "624:15:55" }, "returnParameters": { "id": 10324, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10323, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10340, "src": "663:5:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 10322, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "663:5:55", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" } ], "src": "662:7:55" }, "scope": 10341, "src": "608:161:55", "stateMutability": "pure", "virtual": false, "visibility": "internal" } ], "scope": 10342, "src": "59:712:55" } ], "src": "33:739:55" }, "legacyAST": { "attributes": { "absolutePath": "project:/contracts/utils/SafeCast.sol", "exportedSymbols": { "SafeCast": [ 10341 ] }, "license": "MIT" }, "children": [ { "attributes": { "literals": [ "solidity", "0.6", ".12" ] }, "id": 10252, "name": "PragmaDirective", "src": "33:23:55" }, { "attributes": { "abstract": false, "baseContracts": [ null ], "contractDependencies": [ null ], "contractKind": "library", "documentation": null, "fullyImplemented": true, "linearizedBaseContracts": [ 10341 ], "name": "SafeCast", "scope": 10342 }, "children": [ { "attributes": { "documentation": null, "implemented": true, "isConstructor": false, "kind": "function", "modifiers": [ null ], "name": "toUint200", "overrides": null, "scope": 10341, "stateMutability": "pure", "virtual": false, "visibility": "internal" }, "children": [ { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "value", "overrides": null, "scope": 10274, "stateVariable": false, "storageLocation": "default", "type": "uint256", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint256", "type": "uint256" }, "id": 10253, "name": "ElementaryTypeName", "src": "101:7:55" } ], "id": 10254, "name": "VariableDeclaration", "src": "101:13:55" } ], "id": 10255, "name": "ParameterList", "src": "100:15:55" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "", "overrides": null, "scope": 10274, "stateVariable": false, "storageLocation": "default", "type": "uint200", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint200", "type": "uint200" }, "id": 10256, "name": "ElementaryTypeName", "src": "139:7:55" } ], "id": 10257, "name": "VariableDeclaration", "src": "139:7:55" } ], "id": 10258, "name": "ParameterList", "src": "138:9:55" }, { "children": [ { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "tuple()", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_59e58ae7ab3a9ae814ea92465aea9521d3ac4a895bb563eae0a7e315c9c1e429", "typeString": "literal_string \"value does not fit in 200 bits\"" } ], "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "type": "function (bool,string memory) pure", "value": "require" }, "id": 10259, "name": "Identifier", "src": "158:7:55" }, { "attributes": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "operator": "<", "type": "bool" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 10254, "type": "uint256", "value": "value" }, "id": 10260, "name": "Identifier", "src": "166:5:55" }, { "attributes": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_rational_1606938044258990275541962092341162602522202993782792835301376_by_1", "typeString": "int_const 1606...(53 digits omitted)...1376" }, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "operator": "**", "type": "int_const 1606...(53 digits omitted)...1376" }, "children": [ { "attributes": { "argumentTypes": null, "hexvalue": "32", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 2", "value": "2" }, "id": 10261, "name": "Literal", "src": "174:1:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "323030", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 200", "value": "200" }, "id": 10262, "name": "Literal", "src": "177:3:55" } ], "id": 10263, "name": "BinaryOperation", "src": "174:6:55" } ], "id": 10264, "name": "BinaryOperation", "src": "166:14:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "76616c756520646f6573206e6f742066697420696e203230302062697473", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "string", "type": "literal_string \"value does not fit in 200 bits\"", "value": "value does not fit in 200 bits" }, "id": 10265, "name": "Literal", "src": "182:32:55" } ], "id": 10266, "name": "FunctionCall", "src": "158:57:55" } ], "id": 10267, "name": "ExpressionStatement", "src": "158:57:55" }, { "attributes": { "functionReturnParameters": 10258 }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "uint200", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "type": "type(uint200)" }, "children": [ { "attributes": { "name": "uint200", "type": null }, "id": 10268, "name": "ElementaryTypeName", "src": "232:7:55" } ], "id": 10269, "name": "ElementaryTypeNameExpression", "src": "232:7:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 10254, "type": "uint256", "value": "value" }, "id": 10270, "name": "Identifier", "src": "240:5:55" } ], "id": 10271, "name": "FunctionCall", "src": "232:14:55" } ], "id": 10272, "name": "Return", "src": "225:21:55" } ], "id": 10273, "name": "Block", "src": "148:105:55" } ], "id": 10274, "name": "FunctionDefinition", "src": "82:171:55" }, { "attributes": { "documentation": null, "implemented": true, "isConstructor": false, "kind": "function", "modifiers": [ null ], "name": "toUint128", "overrides": null, "scope": 10341, "stateMutability": "pure", "virtual": false, "visibility": "internal" }, "children": [ { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "value", "overrides": null, "scope": 10296, "stateVariable": false, "storageLocation": "default", "type": "uint256", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint256", "type": "uint256" }, "id": 10275, "name": "ElementaryTypeName", "src": "278:7:55" } ], "id": 10276, "name": "VariableDeclaration", "src": "278:13:55" } ], "id": 10277, "name": "ParameterList", "src": "277:15:55" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "", "overrides": null, "scope": 10296, "stateVariable": false, "storageLocation": "default", "type": "uint128", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint128", "type": "uint128" }, "id": 10278, "name": "ElementaryTypeName", "src": "316:7:55" } ], "id": 10279, "name": "VariableDeclaration", "src": "316:7:55" } ], "id": 10280, "name": "ParameterList", "src": "315:9:55" }, { "children": [ { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "tuple()", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_151f3206c4f8ae714f4c8ff188c59ccf82367a7eb9996fd244eb22e73a441b52", "typeString": "literal_string \"value does not fit in 128 bits\"" } ], "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "type": "function (bool,string memory) pure", "value": "require" }, "id": 10281, "name": "Identifier", "src": "335:7:55" }, { "attributes": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "operator": "<", "type": "bool" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 10276, "type": "uint256", "value": "value" }, "id": 10282, "name": "Identifier", "src": "343:5:55" }, { "attributes": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_rational_340282366920938463463374607431768211456_by_1", "typeString": "int_const 3402...(31 digits omitted)...1456" }, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "operator": "**", "type": "int_const 3402...(31 digits omitted)...1456" }, "children": [ { "attributes": { "argumentTypes": null, "hexvalue": "32", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 2", "value": "2" }, "id": 10283, "name": "Literal", "src": "351:1:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "313238", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 128", "value": "128" }, "id": 10284, "name": "Literal", "src": "354:3:55" } ], "id": 10285, "name": "BinaryOperation", "src": "351:6:55" } ], "id": 10286, "name": "BinaryOperation", "src": "343:14:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "76616c756520646f6573206e6f742066697420696e203132382062697473", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "string", "type": "literal_string \"value does not fit in 128 bits\"", "value": "value does not fit in 128 bits" }, "id": 10287, "name": "Literal", "src": "359:32:55" } ], "id": 10288, "name": "FunctionCall", "src": "335:57:55" } ], "id": 10289, "name": "ExpressionStatement", "src": "335:57:55" }, { "attributes": { "functionReturnParameters": 10280 }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "uint128", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "type": "type(uint128)" }, "children": [ { "attributes": { "name": "uint128", "type": null }, "id": 10290, "name": "ElementaryTypeName", "src": "409:7:55" } ], "id": 10291, "name": "ElementaryTypeNameExpression", "src": "409:7:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 10276, "type": "uint256", "value": "value" }, "id": 10292, "name": "Identifier", "src": "417:5:55" } ], "id": 10293, "name": "FunctionCall", "src": "409:14:55" } ], "id": 10294, "name": "Return", "src": "402:21:55" } ], "id": 10295, "name": "Block", "src": "325:105:55" } ], "id": 10296, "name": "FunctionDefinition", "src": "259:171:55" }, { "attributes": { "documentation": null, "implemented": true, "isConstructor": false, "kind": "function", "modifiers": [ null ], "name": "toUint40", "overrides": null, "scope": 10341, "stateMutability": "pure", "virtual": false, "visibility": "internal" }, "children": [ { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "value", "overrides": null, "scope": 10318, "stateVariable": false, "storageLocation": "default", "type": "uint256", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint256", "type": "uint256" }, "id": 10297, "name": "ElementaryTypeName", "src": "454:7:55" } ], "id": 10298, "name": "VariableDeclaration", "src": "454:13:55" } ], "id": 10299, "name": "ParameterList", "src": "453:15:55" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "", "overrides": null, "scope": 10318, "stateVariable": false, "storageLocation": "default", "type": "uint40", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint40", "type": "uint40" }, "id": 10300, "name": "ElementaryTypeName", "src": "492:6:55" } ], "id": 10301, "name": "VariableDeclaration", "src": "492:6:55" } ], "id": 10302, "name": "ParameterList", "src": "491:8:55" }, { "children": [ { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "tuple()", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_172700490614e4dfe732cc281f73d181a1bd9e8d7b31c8a03ff282ea9d3cc656", "typeString": "literal_string \"value does not fit in 40 bits\"" } ], "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "type": "function (bool,string memory) pure", "value": "require" }, "id": 10303, "name": "Identifier", "src": "510:7:55" }, { "attributes": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "operator": "<", "type": "bool" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 10298, "type": "uint256", "value": "value" }, "id": 10304, "name": "Identifier", "src": "518:5:55" }, { "attributes": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_rational_1099511627776_by_1", "typeString": "int_const 1099511627776" }, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "operator": "**", "type": "int_const 1099511627776" }, "children": [ { "attributes": { "argumentTypes": null, "hexvalue": "32", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 2", "value": "2" }, "id": 10305, "name": "Literal", "src": "526:1:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "3430", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 40", "value": "40" }, "id": 10306, "name": "Literal", "src": "529:2:55" } ], "id": 10307, "name": "BinaryOperation", "src": "526:5:55" } ], "id": 10308, "name": "BinaryOperation", "src": "518:13:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "76616c756520646f6573206e6f742066697420696e2034302062697473", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "string", "type": "literal_string \"value does not fit in 40 bits\"", "value": "value does not fit in 40 bits" }, "id": 10309, "name": "Literal", "src": "533:31:55" } ], "id": 10310, "name": "FunctionCall", "src": "510:55:55" } ], "id": 10311, "name": "ExpressionStatement", "src": "510:55:55" }, { "attributes": { "functionReturnParameters": 10302 }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "uint40", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "type": "type(uint40)" }, "children": [ { "attributes": { "name": "uint40", "type": null }, "id": 10312, "name": "ElementaryTypeName", "src": "582:6:55" } ], "id": 10313, "name": "ElementaryTypeNameExpression", "src": "582:6:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 10298, "type": "uint256", "value": "value" }, "id": 10314, "name": "Identifier", "src": "589:5:55" } ], "id": 10315, "name": "FunctionCall", "src": "582:13:55" } ], "id": 10316, "name": "Return", "src": "575:20:55" } ], "id": 10317, "name": "Block", "src": "500:102:55" } ], "id": 10318, "name": "FunctionDefinition", "src": "436:166:55" }, { "attributes": { "documentation": null, "implemented": true, "isConstructor": false, "kind": "function", "modifiers": [ null ], "name": "toUint8", "overrides": null, "scope": 10341, "stateMutability": "pure", "virtual": false, "visibility": "internal" }, "children": [ { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "value", "overrides": null, "scope": 10340, "stateVariable": false, "storageLocation": "default", "type": "uint256", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint256", "type": "uint256" }, "id": 10319, "name": "ElementaryTypeName", "src": "625:7:55" } ], "id": 10320, "name": "VariableDeclaration", "src": "625:13:55" } ], "id": 10321, "name": "ParameterList", "src": "624:15:55" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "", "overrides": null, "scope": 10340, "stateVariable": false, "storageLocation": "default", "type": "uint8", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint8", "type": "uint8" }, "id": 10322, "name": "ElementaryTypeName", "src": "663:5:55" } ], "id": 10323, "name": "VariableDeclaration", "src": "663:5:55" } ], "id": 10324, "name": "ParameterList", "src": "662:7:55" }, { "children": [ { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "tuple()", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_4e9c69b01191ff3a3d7ad79085f3da33cdc24596180720b08161130c17fa0258", "typeString": "literal_string \"value does not fit in 8 bits\"" } ], "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "type": "function (bool,string memory) pure", "value": "require" }, "id": 10325, "name": "Identifier", "src": "680:7:55" }, { "attributes": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "operator": "<", "type": "bool" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 10320, "type": "uint256", "value": "value" }, "id": 10326, "name": "Identifier", "src": "688:5:55" }, { "attributes": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_rational_256_by_1", "typeString": "int_const 256" }, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "operator": "**", "type": "int_const 256" }, "children": [ { "attributes": { "argumentTypes": null, "hexvalue": "32", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 2", "value": "2" }, "id": 10327, "name": "Literal", "src": "696:1:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "38", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 8", "value": "8" }, "id": 10328, "name": "Literal", "src": "699:1:55" } ], "id": 10329, "name": "BinaryOperation", "src": "696:4:55" } ], "id": 10330, "name": "BinaryOperation", "src": "688:12:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "76616c756520646f6573206e6f742066697420696e20382062697473", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "string", "type": "literal_string \"value does not fit in 8 bits\"", "value": "value does not fit in 8 bits" }, "id": 10331, "name": "Literal", "src": "702:30:55" } ], "id": 10332, "name": "FunctionCall", "src": "680:53:55" } ], "id": 10333, "name": "ExpressionStatement", "src": "680:53:55" }, { "attributes": { "functionReturnParameters": 10324 }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "uint8", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "type": "type(uint8)" }, "children": [ { "attributes": { "name": "uint8", "type": null }, "id": 10334, "name": "ElementaryTypeName", "src": "750:5:55" } ], "id": 10335, "name": "ElementaryTypeNameExpression", "src": "750:5:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 10320, "type": "uint256", "value": "value" }, "id": 10336, "name": "Identifier", "src": "756:5:55" } ], "id": 10337, "name": "FunctionCall", "src": "750:12:55" } ], "id": 10338, "name": "Return", "src": "743:19:55" } ], "id": 10339, "name": "Block", "src": "670:99:55" } ], "id": 10340, "name": "FunctionDefinition", "src": "608:161:55" } ], "id": 10341, "name": "ContractDefinition", "src": "59:712:55" } ], "id": 10342, "name": "SourceUnit", "src": "33:739:55" }, "compiler": { "name": "solc", "version": "0.6.12+commit.27d51765.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.4.3", "updatedAt": "2021-11-29T02:07:34.278Z", "devdoc": { "kind": "dev", "methods": {}, "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 } }