{ "contractName": "Strings", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.7.6+commit.7338295f\"},\"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\":1000000},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/utils/Strings.sol\":{\"keccak256\":\"0x16b5422892fbdd9648f12e59de85b42efd57d76b6d6b2358cb46e0f6d4a71aaf\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://4ef38821a4ee756757dc1ce9074ef6096d1b5c760627e92c0852d788dc636ea7\",\"dweb:/ipfs/QmdGwP6BtRMcp4VVJUWwTmXEjYmL52A8WZpBdFJYmzc9pJ\"]}},\"version\":1}", "bytecode": "0x60566023600b82828239805160001a607314601657fe5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea264697066735822122078968e680a8a6b5817abc049f857852f453521a2ce5d711f607228cf60f6189364736f6c63430007060033", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea264697066735822122078968e680a8a6b5817abc049f857852f453521a2ce5d711f607228cf60f6189364736f6c63430007060033", "immutableReferences": {}, "generatedSources": [], "deployedGeneratedSources": [], "sourceMap": "101:834:37:-:0;;;;;;;;;;;;;;;;;;;;;;;;;", "deployedSourceMap": "101:834:37:-: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--] = byte(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": [ 7843 ] }, "id": 7844, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 7758, "literals": [ "solidity", ">=", "0.6", ".0", "<", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "33:31:37" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": { "id": 7759, "nodeType": "StructuredDocumentation", "src": "66:34:37", "text": " @dev String operations." }, "fullyImplemented": true, "id": 7843, "linearizedBaseContracts": [ 7843 ], "name": "Strings", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 7841, "nodeType": "Block", "src": "281:652:37", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 7769, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 7767, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7762, "src": "483:5:37", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 7768, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "492:1:37", "typeDescriptions": { "typeIdentifier": 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