@windfallswap/periphery

{ "contractName": "BitMath", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.6.6+commit.6c089d02\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"@windfallswap/lib/contracts/libraries/BitMath.sol\":\"BitMath\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":999999},\"remappings\":[]},\"sources\":{\"@windfallswap/lib/contracts/libraries/BitMath.sol\":{\"keccak256\":\"0x5610a7da9b61b3d8426eef6191e59557535570dbbc814cee70ae200972d47654\",\"urls\":[\"bzz-raw://c4cf4baaf6ce8f3e49c3738b56c1ad18651debacef9683eb1a5a0ab3895b0cfd\",\"dweb:/ipfs/QmQn8izKRZZTg8e4sjzWuj5rqZfmiQFS5PRhfDeJiUJdeX\"]}},\"version\":1}", "bytecode": "0x60566023600b82828239805160001a607314601657fe5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220667777e67c8fd2c4d35be41a8827425a3db398b0661e871cd4afc8af28ed2c9364736f6c63430006060033", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220667777e67c8fd2c4d35be41a8827425a3db398b0661e871cd4afc8af28ed2c9364736f6c63430006060033", "immutableReferences": {}, "sourceMap": "74:2124:16:-: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": "74:2124:16:-:0;;;;;;12:1:-1;9;2:12", "source": "// SPDX-License-Identifier: GPL-3.0-or-later\r\npragma solidity >=0.5.0;\r\n\r\nlibrary BitMath {\r\n // returns the 0 indexed position of the most significant bit of the input x\r\n // s.t. x >= 2**msb and x < 2**(msb+1)\r\n function mostSignificantBit(uint256 x) internal pure returns (uint8 r) {\r\n require(x > 0, 'BitMath::mostSignificantBit: zero');\r\n\r\n if (x >= 0x100000000000000000000000000000000) {\r\n x >>= 128;\r\n r += 128;\r\n }\r\n if (x >= 0x10000000000000000) {\r\n x >>= 64;\r\n r += 64;\r\n }\r\n if (x >= 0x100000000) {\r\n x >>= 32;\r\n r += 32;\r\n }\r\n if (x >= 0x10000) {\r\n x >>= 16;\r\n r += 16;\r\n }\r\n if (x >= 0x100) {\r\n x >>= 8;\r\n r += 8;\r\n }\r\n if (x >= 0x10) {\r\n x >>= 4;\r\n r += 4;\r\n }\r\n if (x >= 0x4) {\r\n x >>= 2;\r\n r += 2;\r\n }\r\n if (x >= 0x2) r += 1;\r\n }\r\n\r\n // returns the 0 indexed position of the least significant bit of the input x\r\n // s.t. (x & 2**lsb) != 0 and (x & (2**(lsb) - 1)) == 0)\r\n // i.e. the bit at the index is set and the mask of all lower bits is 0\r\n function leastSignificantBit(uint256 x) internal pure returns (uint8 r) {\r\n require(x > 0, 'BitMath::leastSignificantBit: zero');\r\n\r\n r = 255;\r\n if (x & uint128(-1) > 0) {\r\n r -= 128;\r\n } else {\r\n x >>= 128;\r\n }\r\n if (x & uint64(-1) > 0) {\r\n r -= 64;\r\n } else {\r\n x >>= 64;\r\n }\r\n if (x & uint32(-1) > 0) {\r\n r -= 32;\r\n } else {\r\n x >>= 32;\r\n }\r\n if (x & uint16(-1) > 0) {\r\n r -= 16;\r\n } else {\r\n x >>= 16;\r\n }\r\n if (x & uint8(-1) > 0) {\r\n r -= 8;\r\n } else {\r\n x >>= 8;\r\n }\r\n if (x & 0xf > 0) {\r\n r -= 4;\r\n } else {\r\n x >>= 4;\r\n }\r\n if (x & 0x3 > 0) {\r\n r -= 2;\r\n } else {\r\n x >>= 2;\r\n }\r\n if (x & 0x1 > 0) r -= 1;\r\n }\r\n}\r\n", "sourcePath": "@windfallswap\\lib\\contracts\\libraries\\BitMath.sol", "ast": { "absolutePath": "@windfallswap/lib/contracts/libraries/BitMath.sol", 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