{ "contractName": "Strings", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"details\":\"String operations.\",\"kind\":\"dev\",\"methods\":{},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/utils/Strings.sol\":\"Strings\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/utils/Strings.sol\":{\"keccak256\":\"0xa1e12f97981f1d0964b1c048978606a57127c56c438bab61cdfe269cad859a74\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://5eefac1760f524971e14aa3f3d79515a3d54fd28c1d3bdca0b36127da349b830\",\"dweb:/ipfs/QmUMzkyH3ytJX5gVPizQruNLhkKmuJb3nFqBDad4LPdg5U\"]}},\"version\":1}", "bytecode": "0x60566023600b82828239805160001a607314601657fe5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220972e422ae8e5233065d4c58221b58fadf7de31737830c58d58d114673b5d7f8c64736f6c634300060c0033", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220972e422ae8e5233065d4c58221b58fadf7de31737830c58d58d114673b5d7f8c64736f6c634300060c0033", "immutableReferences": {}, "sourceMap": "101:836:33:-:0;;;;;;;;;;;;;;;;;;;;;;;;;", "deployedSourceMap": "101:836:33:-:0;;;;;;;;", "source": "// SPDX-License-Identifier: MIT\n\npragma solidity >=0.6.0 <0.8.0;\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n /**\n * @dev Converts a `uint256` to its ASCII `string` 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 uint256 index = digits - 1;\n temp = value;\n while (temp != 0) {\n buffer[index--] = bytes1(uint8(48 + temp % 10));\n temp /= 10;\n }\n return string(buffer);\n }\n}\n", "sourcePath": "@openzeppelin/contracts/utils/Strings.sol", "ast": { "absolutePath": "@openzeppelin/contracts/utils/Strings.sol", "exportedSymbols": { "Strings": [ 6122 ] }, "id": 6123, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 6037, "literals": [ "solidity", ">=", "0.6", ".0", "<", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "33:31:33" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": { "id": 6038, "nodeType": "StructuredDocumentation", 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