hardlydifficult-eth

{ "contractName": "BitMath", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.6.10+commit.00c0fcaf\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"@uniswap/lib/contracts/libraries/BitMath.sol\":\"BitMath\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":2000000},\"remappings\":[]},\"sources\":{\"@uniswap/lib/contracts/libraries/BitMath.sol\":{\"keccak256\":\"0x0ef2d7cd41b3f1818fa41019b38948489238efccebe428d4b04919174378abf5\",\"license\":\"GPL-3.0-or-later\",\"urls\":[\"bzz-raw://696ac37d8731506cbac9b428afb7bdfa35a490df139022be2b04ab3815113cf4\",\"dweb:/ipfs/QmUQ5ty49YATw4Gf5PrtFkxNErcnwhNUpRF3WFaVJxATf9\"]}},\"version\":1}", "bytecode": "0x60566023600b82828239805160001a607314601657fe5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220ba778e3b1e5048e8909c4c9284e2543b0360ed01239b34f055fbc84003e3d39864736f6c634300060a0033", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220ba778e3b1e5048e8909c4c9284e2543b0360ed01239b34f055fbc84003e3d39864736f6c634300060a0033", "immutableReferences": {}, "sourceMap": "71:772:3:-:0;;;;;;;;;;;;;;;;;;;;;;;;;", "deployedSourceMap": "71:772:3:-:0;;;;;;;;", "source": "// SPDX-License-Identifier: GPL-3.0-or-later\npragma solidity >=0.5.0;\n\nlibrary BitMath {\n function mostSignificantBit(uint256 x) internal pure returns (uint8 r) {\n require(x > 0, 'BitMath: ZERO');\n\n if (x >= 0x100000000000000000000000000000000) {\n x >>= 128;\n r += 128;\n }\n if (x >= 0x10000000000000000) {\n x >>= 64;\n r += 64;\n }\n if (x >= 0x100000000) {\n x >>= 32;\n r += 32;\n }\n if (x >= 0x10000) {\n x >>= 16;\n r += 16;\n }\n if (x >= 0x100) {\n x >>= 8;\n r += 8;\n }\n if (x >= 0x10) {\n x >>= 4;\n r += 4;\n }\n if (x >= 0x4) {\n x >>= 2;\n r += 2;\n }\n if (x >= 0x2) r += 1;\n }\n}\n", "sourcePath": "@uniswap/lib/contracts/libraries/BitMath.sol", "ast": { "absolutePath": "@uniswap/lib/contracts/libraries/BitMath.sol", "exportedSymbols": { "BitMath": [ 606 ] }, "id": 607, "license": "GPL-3.0-or-later", "nodeType": "SourceUnit", "nodes": [ { "id": 491, "literals": [ "solidity", ">=", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "45:24:3" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": null, "fullyImplemented": true, "id": 606, "linearizedBaseContracts": [ 606 ], "name": "BitMath", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 604, "nodeType": "Block", "src": "164:677:3", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { 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false, "nodeType": "Literal", "src": "225:35:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_340282366920938463463374607431768211456_by_1", "typeString": "int_const 3402...(31 digits omitted)...1456" }, "value": "0x100000000000000000000000000000000" }, "src": "220:40:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 517, "nodeType": "IfStatement", "src": "216:102:3", "trueBody": { "id": 516, "nodeType": "Block", "src": "262:56:3", "statements": [ { "expression": { "argumentTypes": null, "id": 510, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 508, "name": "x", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 493, "src": "276:1:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": ">>=", "rightHandSide": { 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