moonwalkerswap-v2-periphery

{ "contractName": "FullMath", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.6.6+commit.6c089d02\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"moonwalkerswap-libraries/contracts/libraries/FullMath.sol\":\"FullMath\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"moonwalkerswap-libraries/contracts/libraries/FullMath.sol\":{\"keccak256\":\"0xc4ffcf28169f73fc9fdd1f82345d6d4fcccf3fd5aea83c133437c25e4e0950a9\",\"urls\":[\"bzz-raw://c9257a47501005f0a648bc4801ef4abc33843681aaf03a6d0c43d46b69e37407\",\"dweb:/ipfs/QmciHvDrqhxs5fjsrm9aNq29FZXpunMn17n2wWj83Zsh3B\"]}},\"version\":1}", "bytecode": "0x60566023600b82828239805160001a607314601657fe5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220ada2bd51e00a9982b082c24c9b444a2ee3d6cf0cc2a947960b34a85630f1f8a264736f6c63430006060033", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220ada2bd51e00a9982b082c24c9b444a2ee3d6cf0cc2a947960b34a85630f1f8a264736f6c63430006060033", "immutableReferences": {}, "sourceMap": "193:1079:21:-:0;;132:2:-1;166:7;155:9;146:7;137:37;255:7;249:14;246:1;241:23;235:4;232:33;222:2;;269:9;222:2;293:9;290:1;283:20;323:4;314:7;306:22;347:7;338;331:24", "deployedSourceMap": "193:1079:21:-:0;;;;;;12:1:-1;9;2:12", "source": "// SPDX-License-Identifier: CC-BY-4.0\npragma solidity >=0.4.0;\n\n// taken from https://medium.com/coinmonks/math-in-solidity-part-3-percents-and-proportions-4db014e080b1\n// license is CC-BY-4.0\nlibrary FullMath {\n function fullMul(uint256 x, uint256 y) internal pure returns (uint256 l, uint256 h) {\n uint256 mm = mulmod(x, y, uint256(-1));\n l = x * y;\n h = mm - l;\n if (mm < l) h -= 1;\n }\n\n function fullDiv(\n uint256 l,\n uint256 h,\n uint256 d\n ) private pure returns (uint256) {\n uint256 pow2 = d & -d;\n d /= pow2;\n l /= pow2;\n l += h * ((-pow2) / pow2 + 1);\n uint256 r = 1;\n r *= 2 - d * r;\n r *= 2 - d * r;\n r *= 2 - d * r;\n r *= 2 - d * r;\n r *= 2 - d * r;\n r *= 2 - d * r;\n r *= 2 - d * r;\n r *= 2 - d * r;\n return l * r;\n }\n\n function mulDiv(\n uint256 x,\n uint256 y,\n uint256 d\n ) internal pure returns (uint256) {\n (uint256 l, uint256 h) = fullMul(x, y);\n\n uint256 mm = mulmod(x, y, d);\n if (mm > l) h -= 1;\n l -= mm;\n\n if (h == 0) return l / d;\n\n require(h < d, 'FullMath: FULLDIV_OVERFLOW');\n return fullDiv(l, h, d);\n }\n}\n", "sourcePath": "moonwalkerswap-libraries/contracts/libraries/FullMath.sol", "ast": { "absolutePath": "moonwalkerswap-libraries/contracts/libraries/FullMath.sol", "exportedSymbols": { "FullMath": [ 8079 ] }, "id": 8080, "nodeType": "SourceUnit", "nodes": [ { "id": 7860, "literals": [ "solidity", ">=", "0.4", ".0" ], "nodeType": "PragmaDirective", "src": "38:24:21" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": null, "fullyImplemented": true, "id": 8079, "linearizedBaseContracts": [ 8079 ], "name": "FullMath", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 7903, "nodeType": "Block", "src": "300:122:21", "statements": [ { "assignments": [ 7872 ], "declarations": [ { "constant": false, "id": 7872, "mutability": "mutable", "name": "mm", "nodeType": "VariableDeclaration", "overrides": null, "scope": 7903, "src": "310:10:21", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 7871, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "310:7:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 7882, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 7874, "name": "x", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7862, "src": "330:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 7875, "name": "y", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7864, "src": "333:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 7879, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "-", "prefix": true, "src": "344:2:21", "subExpression": { "argumentTypes": null, "hexValue": "31", "id": 7878, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "345:1:21", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "typeDescriptions": { "typeIdentifier": "t_rational_minus_1_by_1", "typeString": "int_const -1" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_minus_1_by_1", "typeString": "int_const -1" } ], "id": 7877, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "336:7:21", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": { "id": 7876, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "336:7:21", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 7880, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "336:11:21", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 7873, "name": "mulmod", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -16, "src": "323:6:21", "typeDescriptions": { "typeIdentifier": "t_function_mulmod_pure$_t_uint256_$_t_uint256_$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint256,uint256,uint256) pure returns (uint256)" } }, "id": 7881, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "323:25:21", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "310:38:21" }, { "expression": { "argumentTypes": null, "id": 7887, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 7883, "name": "l", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7867, "src": "358:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 7886, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 7884, "name": "x", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7862, "src": "362:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "argumentTypes": null, "id": 7885, "name": "y", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7864, "src": "366:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "362:5:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "358:9:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 7888, "nodeType": "ExpressionStatement", "src": "358:9:21" }, { "expression": { "argumentTypes": null, "id": 7893, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 7889, "name": "h", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7869, "src": "377:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 7892, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 7890, "name": "mm", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7872, "src": "381:2:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "id": 7891, "name": "l", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7867, "src": "386:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "381:6:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "377:10:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 7894, "nodeType": "ExpressionStatement", "src": "377:10:21" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 7897, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 7895, "name": "mm", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7872, "src": "401:2:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "id": 7896, "name": "l", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7867, "src": "406:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "401:6:21", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 7902, "nodeType": "IfStatement", "src": "397:18:21", "trueBody": { "expression": { "argumentTypes": null, "id": 7900, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 7898, "name": "h", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7869, "src": "409:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "argumentTypes": null, "hexValue": "31", "id": 7899, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "414:1:21", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "409:6:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 7901, "nodeType": "ExpressionStatement", "src": "409:6:21" } } ] }, "documentation": null, "id": 7904, "implemented": true, "kind": "function", "modifiers": [], "name": "fullMul", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 7865, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 7862, "mutability": "mutable", "name": "x", "nodeType": "VariableDeclaration", "overrides": null, "scope": 7904, "src": "233:9:21", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 7861, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "233:7:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 7864, "mutability": "mutable", "name": "y", "nodeType": "VariableDeclaration", "overrides": null, "scope": 7904, "src": "244:9:21", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 7863, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "244:7:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "232:22:21" }, "returnParameters": { "id": 7870, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 7867, "mutability": "mutable", "name": "l", "nodeType": "VariableDeclaration", "overrides": null, "scope": 7904, "src": "278:9:21", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 7866, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "278:7:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 7869, "mutability": "mutable", "name": "h", "nodeType": "VariableDeclaration", "overrides": null, "scope": 7904, "src": "289:9:21", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 7868, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "289:7:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "277:22:21" }, "scope": 8079, "src": "216:206:21", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 8015, "nodeType": "Block", "src": "539:352:21", "statements": [ { "assignments": [ 7916 ], "declarations": [ { "constant": false, "id": 7916, "mutability": "mutable", "name": "pow2", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8015, "src": "549:12:21", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 7915, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "549:7:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 7921, "initialValue": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 7920, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 7917, "name": "d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7910, "src": "564:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "&", "rightExpression": { "argumentTypes": null, "id": 7919, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "-", "prefix": true, "src": "568:2:21", "subExpression": { "argumentTypes": null, "id": 7918, "name": "d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7910, "src": "569:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "564:6:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "549:21:21" }, { "expression": { "argumentTypes": null, "id": 7924, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 7922, "name": "d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7910, "src": "580:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "/=", "rightHandSide": { "argumentTypes": null, "id": 7923, "name": "pow2", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7916, "src": "585:4:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "580:9:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 7925, "nodeType": "ExpressionStatement", "src": "580:9:21" }, { "expression": { "argumentTypes": null, "id": 7928, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 7926, "name": "l", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7906, "src": "599:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "/=", "rightHandSide": { "argumentTypes": null, "id": 7927, "name": "pow2", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7916, "src": "604:4:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "599:9:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 7929, "nodeType": "ExpressionStatement", "src": "599:9:21" }, { "expression": { "argumentTypes": null, "id": 7941, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 7930, "name": "l", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7906, "src": "618:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 7940, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 7931, "name": "h", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7908, "src": "623:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 7938, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 7936, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "id": 7933, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "-", "prefix": true, "src": "629:5:21", "subExpression": { "argumentTypes": null, "id": 7932, "name": "pow2", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7916, "src": "630:4:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 7934, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "628:7:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 7935, "name": "pow2", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7916, "src": "638:4:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "628:14:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 7937, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "645:1:21", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "628:18:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 7939, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "627:20:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "623:24:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "618:29:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 7942, "nodeType": "ExpressionStatement", "src": "618:29:21" }, { "assignments": [ 7944 ], "declarations": [ { "constant": false, "id": 7944, "mutability": "mutable", "name": "r", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8015, "src": "657:9:21", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 7943, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "657:7:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 7946, "initialValue": { "argumentTypes": null, "hexValue": "31", "id": 7945, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "669:1:21", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "nodeType": "VariableDeclarationStatement", "src": "657:13:21" }, { "expression": { "argumentTypes": null, "id": 7953, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 7947, "name": "r", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7944, "src": "680:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "*=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 7952, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "hexValue": "32", "id": 7948, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "685:1:21", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 7951, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 7949, "name": "d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7910, "src": "689:1:21", "typeDescriptions": { "typeIdentifier": "t_uint256",