{ "contractName": "Convert", "abi": [ { "constant": true, "inputs": [ { "name": "_addr", "type": "address" } ], "name": "toString", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "pure", "type": "function" }, { "constant": true, "inputs": [ { "name": "_str", "type": "string" } ], "name": "toAddress", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "pure", "type": "function" } ], "metadata": 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"source": "pragma solidity ^0.5.0;\n\n\nlibrary Convert {\n function toString(address _addr) public pure returns (string memory) {\n bytes32 value = bytes32(uint256(_addr));\n bytes memory alphabet = \"0123456789abcdef\";\n\n bytes memory str = new bytes(51);\n str[0] = \"0\";\n str[1] = \"x\";\n for (uint256 i = 0; i < 20; i++) {\n str[2 + i * 2] = alphabet[uint8(value[i + 12] >> 4)];\n str[3 + i * 2] = alphabet[uint8(value[i + 12] & 0x0f)];\n }\n return string(str);\n }\n\n function toAddress(string memory _str) public pure returns (address) {\n bytes memory tmp = bytes(_str);\n uint160 iaddr = 0;\n uint160 curr;\n uint160 next;\n for (uint256 i = 2; i < 2 + 2 * 20; i += 2) {\n iaddr *= 256;\n curr = uint160(uint8(tmp[i]));\n next = uint160(uint8(tmp[i + 1]));\n if ((curr >= 97) && (curr <= 102)) {\n curr -= 87;\n } else if ((curr >= 65) && (curr <= 70)) {\n curr -= 55;\n } else if ((curr >= 48) && (curr <= 57)) {\n curr -= 48;\n }\n if ((next >= 97) && (next <= 102)) {\n next -= 87;\n } else if ((next >= 65) && (next <= 70)) {\n next -= 55;\n } else if ((next >= 48) && (next <= 57)) {\n next -= 48;\n }\n iaddr += (curr * 16 + next);\n }\n return address(iaddr);\n }\n}\n", "sourcePath": "/Users/100x/Evrynetlabs/warp-contract/contracts/lib/Convert.sol", "ast": { "absolutePath": "/Users/100x/Evrynetlabs/warp-contract/contracts/lib/Convert.sol", "exportedSymbols": { "Convert": [ 1076 ] }, "id": 1077, "nodeType": "SourceUnit", "nodes": [ { "id": 810, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:8" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": null, "fullyImplemented": true, "id": 1076, "linearizedBaseContracts": [ 1076 ], "name": "Convert", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 904, "nodeType": "Block", "src": "117:410:8", "statements": [ { "assignments": [ 818 ], "declarations": [ { "constant": false, "id": 818, "name": "value", "nodeType": "VariableDeclaration", "scope": 904, "src": "127:13:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 817, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "127:7:8", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" } ], "id": 824, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 821, "name": "_addr", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 812, "src": "159:5:8", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 820, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "151:7:8", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": "uint256" }, "id": 822, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "151:14:8", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 819, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "143:7:8", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes32_$", "typeString": "type(bytes32)" }, "typeName": "bytes32" }, "id": 823, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "143:23:8", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "VariableDeclarationStatement", "src": "127:39:8" }, { "assignments": [ 826 ], "declarations": [ { "constant": false, "id": 826, "name": "alphabet", "nodeType": "VariableDeclaration", "scope": 904, "src": "176:21:8", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 825, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "176:5:8", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 828, "initialValue": { "argumentTypes": null, "hexValue": "30313233343536373839616263646566", "id": 827, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "200:18:8", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_cb29997ed99ead0db59ce4d12b7d3723198c827273e5796737c926d78019c39f", "typeString": "literal_string \"0123456789abcdef\"" }, "value": "0123456789abcdef" }, "nodeType": "VariableDeclarationStatement", "src": "176:42:8" }, { "assignments": [ 830 ], "declarations": [ { "constant": false, "id": 830, "name": "str", "nodeType": "VariableDeclaration", "scope": 904, "src": "229:16:8", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 829, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "229:5:8", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 835, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "3531", "id": 833, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": 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