{ "contractName": "RRUtils", "abi": [], "bytecode": "0x604c602c600b82828239805160001a60731460008114601c57601e565bfe5b5030600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea165627a7a723058207e67753cd1f830e2d1e0e74a7aa65fa65139521ba3c03d735c4f9da8262b4d940029", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea165627a7a723058207e67753cd1f830e2d1e0e74a7aa65fa65139521ba3c03d735c4f9da8262b4d940029", "sourceMap": "197:7007:5:-;;132:2:-1;166:7;155:9;146:7;137:37;252:7;246:14;243:1;238:23;232:4;229:33;270:1;265:20;;;;222:63;;265:20;274:9;222:63;;298:9;295:1;288:20;328:4;319:7;311:22;352:7;343;336:24", "deployedSourceMap": "197:7007:5:-;;;;;;;;", "source": "pragma solidity >0.4.23;\n\nimport \"./BytesUtils.sol\";\nimport \"@ensdomains/buffer/contracts/Buffer.sol\";\n\n/**\n* @dev RRUtils is a library that provides utilities for parsing DNS resource records.\n*/\nlibrary RRUtils {\n using BytesUtils for *;\n using Buffer for *;\n\n /**\n * @dev Returns the number of bytes in the DNS name at 'offset' in 'self'.\n * @param self The byte array to read a name from.\n * @param offset The offset to start reading at.\n * @return The length of the DNS name at 'offset', in bytes.\n */\n function nameLength(bytes memory self, uint offset) internal pure returns(uint) {\n uint idx = offset;\n while (true) {\n assert(idx < self.length);\n uint labelLen = self.readUint8(idx);\n idx += labelLen + 1;\n if (labelLen == 0) {\n break;\n }\n }\n return idx - offset;\n }\n\n /**\n * @dev Returns a DNS format name at the specified offset of self.\n * @param self The byte array to read a name from.\n * @param offset The offset to start reading at.\n * @return The name.\n */\n function readName(bytes memory self, uint offset) internal pure returns(bytes memory ret) {\n uint len = nameLength(self, offset);\n return self.substring(offset, len);\n }\n\n /**\n * @dev Returns the number of labels in the DNS name at 'offset' in 'self'.\n * @param self The byte array to read a name from.\n * @param offset The offset to start reading at.\n * @return The number of labels in the DNS name at 'offset', in bytes.\n */\n function labelCount(bytes memory self, uint offset) internal pure returns(uint) {\n uint count = 0;\n while (true) {\n assert(offset < self.length);\n uint labelLen = self.readUint8(offset);\n offset += labelLen + 1;\n if (labelLen == 0) {\n break;\n }\n count += 1;\n }\n return count;\n }\n\n /**\n * @dev An iterator over resource records.\n */\n struct RRIterator {\n bytes data;\n uint offset;\n uint16 dnstype;\n uint16 class;\n uint32 ttl;\n uint rdataOffset;\n uint nextOffset;\n }\n\n /**\n * @dev Begins iterating over resource records.\n * @param self The byte string to read from.\n * @param offset The offset to start reading at.\n * @return An iterator object.\n */\n function iterateRRs(bytes memory self, uint offset) internal pure returns (RRIterator memory ret) {\n ret.data = self;\n ret.nextOffset = offset;\n next(ret);\n }\n\n /**\n * @dev Returns true iff there are more RRs to iterate.\n * @param iter The iterator to check.\n * @return True iff the iterator has finished.\n */\n function done(RRIterator memory iter) internal pure returns(bool) {\n return iter.offset >= iter.data.length;\n }\n\n /**\n * @dev Moves the iterator to the next resource record.\n * @param iter The iterator to advance.\n */\n function next(RRIterator memory iter) internal pure {\n iter.offset = iter.nextOffset;\n if (iter.offset >= iter.data.length) {\n return;\n }\n\n // Skip the name\n uint off = iter.offset + nameLength(iter.data, iter.offset);\n\n // Read type, class, and ttl\n iter.dnstype = iter.data.readUint16(off);\n off += 2;\n iter.class = iter.data.readUint16(off);\n off += 2;\n iter.ttl = iter.data.readUint32(off);\n off += 4;\n\n // Read the rdata\n uint rdataLength = iter.data.readUint16(off);\n off += 2;\n iter.rdataOffset = off;\n iter.nextOffset = off + rdataLength;\n }\n\n /**\n * @dev Returns the name of the current record.\n * @param iter The iterator.\n * @return A new bytes object containing the owner name from the RR.\n */\n function name(RRIterator memory iter) internal pure returns(bytes memory) {\n return iter.data.substring(iter.offset, nameLength(iter.data, iter.offset));\n }\n\n /**\n * @dev Returns the rdata portion of the current record.\n * @param iter The iterator.\n * @return A new bytes object containing the RR's RDATA.\n */\n function rdata(RRIterator memory iter) internal pure returns(bytes memory) {\n return iter.data.substring(iter.rdataOffset, iter.nextOffset - iter.rdataOffset);\n }\n\n /**\n * @dev Checks if a given RR type exists in a type bitmap.\n * @param self The byte string to read the type bitmap from.\n * @param offset The offset to start reading at.\n * @param rrtype The RR type to check for.\n * @return True if the type is found in the bitmap, false otherwise.\n */\n function checkTypeBitmap(bytes memory self, uint offset, uint16 rrtype) internal pure returns (bool) {\n uint8 typeWindow = uint8(rrtype >> 8);\n uint8 windowByte = uint8((rrtype & 0xff) / 8);\n uint8 windowBitmask = uint8(uint8(1) << (uint8(7) - uint8(rrtype & 0x7)));\n for (uint off = offset; off < self.length;) {\n uint8 window = self.readUint8(off);\n uint8 len = self.readUint8(off + 1);\n if (typeWindow < window) {\n // We've gone past our window; it's not here.\n return false;\n } else if (typeWindow == window) {\n // Check this type bitmap\n if (len * 8 <= windowByte) {\n // Our type is past the end of the bitmap\n return false;\n }\n return (self.readUint8(off + windowByte + 2) & windowBitmask) != 0;\n } else {\n // Skip this type bitmap\n off += len + 2;\n }\n }\n\n return false;\n }\n\n function compareNames(bytes memory self, bytes memory other) internal pure returns (int) {\n if (self.equals(other)) {\n return 0;\n }\n\n uint off;\n uint otheroff;\n uint prevoff;\n uint otherprevoff;\n uint counts = labelCount(self, 0);\n uint othercounts = labelCount(other, 0);\n\n // Keep removing labels from the front of the name until both names are equal length\n while (counts > othercounts) {\n prevoff = off;\n off = progress(self, off);\n counts--;\n }\n\n while (othercounts > counts) {\n otherprevoff = otheroff;\n otheroff = progress(other, otheroff);\n othercounts--;\n }\n\n // Compare the last nonequal labels to each other\n while (counts > 0 && !self.equals(off, other, otheroff)) {\n prevoff = off;\n off = progress(self, off);\n otherprevoff = otheroff;\n otheroff = progress(other, otheroff);\n counts -= 1;\n }\n\n if (off == 0) {\n return -1;\n }\n if(otheroff == 0) {\n return 1;\n }\n\n return self.compare(prevoff + 1, self.readUint8(prevoff), other, otherprevoff + 1, other.readUint8(otherprevoff));\n }\n\n function progress(bytes memory body, uint off) internal pure returns(uint) {\n return off + 1 + body.readUint8(off);\n }\n}\n", "sourcePath": "/home/user/Dropbox/projects/enssec/contracts/RRUtils.sol", "ast": { "absolutePath": "/home/user/Dropbox/projects/enssec/contracts/RRUtils.sol", "exportedSymbols": { "RRUtils": [ 3110 ] }, "id": 3111, "nodeType": "SourceUnit", "nodes": [ { "id": 2491, "literals": [ "solidity", ">", "0.4", ".23" ], "nodeType": "PragmaDirective", "src": "0:24:5" }, { "absolutePath": "/home/user/Dropbox/projects/enssec/contracts/BytesUtils.sol", "file": "./BytesUtils.sol", "id": 2492, "nodeType": "ImportDirective", "scope": 3111, "sourceUnit": 721, "src": "26:26:5", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@ensdomains/buffer/contracts/Buffer.sol", "file": "@ensdomains/buffer/contracts/Buffer.sol", "id": 2493, "nodeType": "ImportDirective", "scope": 3111, "sourceUnit": 4209, "src": "53:49:5", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": "@dev RRUtils is a library that provides utilities for parsing DNS resource records.", "fullyImplemented": true, "id": 3110, "linearizedBaseContracts": [ 3110 ], "name": "RRUtils", "nodeType": "ContractDefinition", "nodes": [ { "id": 2495, "libraryName": { "contractScope": null, "id": 2494, "name": "BytesUtils", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 720, "src": "225:10:5", "typeDescriptions": { "typeIdentifier": "t_contract$_BytesUtils_$720", "typeString": "library BytesUtils" } }, "nodeType": "UsingForDirective", "src": "219:23:5", "typeName": null }, { "id": 2497, "libraryName": { "contractScope": null, "id": 2496, "name": "Buffer", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 4208, "src": "253:6:5", "typeDescriptions": { "typeIdentifier": "t_contract$_Buffer_$4208", "typeString": "library Buffer" } }, "nodeType": "UsingForDirective", "src": "247:19:5", "typeName": null }, { "body": { "id": 2543, "nodeType": "Block", "src": "615:287:5", "statements": [ { "assignments": [ 2507 ], "declarations": [ { "constant": false, "id": 2507, "name": "idx", "nodeType": "VariableDeclaration", "scope": 2543, "src": "625:8:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2506, "name": "uint", "nodeType": "ElementaryTypeName", "src": "625:4:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 2509, "initialValue": { "argumentTypes": null, "id": 2508, "name": "offset", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2501, "src": "636:6:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "625:17:5" }, { "body": { "id": 2537, "nodeType": "Block", "src": "665:202:5", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 2515, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2512, "name": "idx", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2507, "src": "686:3:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2513, "name": "self", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2499, "src": "692:4:5", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 2514, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "692:11:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "686:17:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 2511, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4228, "src": "679:6:5", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 2516, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "679:25:5", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2517, "nodeType": "ExpressionStatement", "src": "679:25:5" }, { "assignments": [ 2519 ], "declarations": [ { "constant": false, "id": 2519, "name": "labelLen", "nodeType": "VariableDeclaration", "scope": 2537, "src": "718:13:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2518, "name": "uint", "nodeType": "ElementaryTypeName", "src": "718:4:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 2524, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2522, "name": "idx", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2507, "src": "749:3:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 2520, "name": "self", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2499, "src": "734:4:5", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 2521, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "readUint8", "nodeType": "MemberAccess", "referencedDeclaration": 306, "src": "734:14:5", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$_t_uint256_$returns$_t_uint8_$bound_to$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory,uint256) pure returns (uint8)" } }, "id": 2523, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "734:19:5", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "VariableDeclarationStatement", "src": "718:35:5" }, { "expression": { "argumentTypes": null, "id": 2529, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2525, "name": "idx", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2507, "src": "767:3:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 2528, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2526, "name": "labelLen", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2519, "src": "774:8:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 2527, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "785:1:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "774:12:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "767:19:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2530, "nodeType": "ExpressionStatement", "src": "767:19:5" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 2533, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2531, "name": "labelLen", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2519, "src": "804:8:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 2532, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "816:1:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "804:13:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 2536, "nodeType": "IfStatement", "src": "800:57:5", "trueBody": { "id": 2535, "nodeType": "Block", "src": "819:38:5", "statements": [ { "id": 2534, "nodeType": "Break", "src": "837:5:5" } ] } } ] }, "condition": { "argumentTypes": null, "hexValue": "74727565", "id": 2510, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "659:4:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "id": 2538, "nodeType": "WhileStatement", "src": "652:215:5" }, { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": 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The byte array to read a name from.\n@param offset The offset to start reading at.\n@return The length of the DNS name at 'offset', in bytes.", "id": 2544, "implemented": true, "kind": "function", "modifiers": [], "name": "nameLength", "nodeType": "FunctionDefinition", "parameters": { "id": 2502, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2499, "name": "self", "nodeType": "VariableDeclaration", "scope": 2544, "src": "555:17:5", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 2498, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "555:5:5", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2501, "name": "offset", "nodeType": "VariableDeclaration", "scope": 2544, "src": "574:11:5", "stateVariable": false, "storageLocation": 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"nodeType": "Return", "src": "5274:12:5" } ] } } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 2871, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2868, "name": "off", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2865, "src": "5038:3:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2869, "name": "self", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2817, "src": "5044:4:5", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 2870, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5044:11:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5038:17:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 2931, "initializationExpression": { "assignments": [ 2865 ], "declarations": [ { "constant": false, "id": 2865, "name": "off", "nodeType": "VariableDeclaration", "scope": 2931, "src": "5019:8:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2864, "name": "uint", "nodeType": "ElementaryTypeName", "src": "5019:4:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 2867, "initialValue": { "argumentTypes": null, "id": 2866, "name": "offset", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2819, "src": 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"typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2821, "name": "rrtype", "nodeType": "VariableDeclaration", "scope": 2935, "src": "4775:13:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 2820, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "4775:6:5", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "src": "4742:47:5" }, "returnParameters": { "id": 2825, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2824, "name": "", "nodeType": "VariableDeclaration", "scope": 2935, "src": "4813:4:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 2823, "name": "bool", "nodeType": 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"typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 2945, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "equals", "nodeType": "MemberAccess", "referencedDeclaration": 290, "src": "5875:11:5", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$_t_bytes_memory_ptr_$returns$_t_bool_$bound_to$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory,bytes memory) pure returns (bool)" } }, "id": 2947, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5875:18:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 2951, "nodeType": "IfStatement", "src": "5871:57:5", "trueBody": { "id": 2950, "nodeType": "Block", "src": "5895:33:5", "statements": [ { "expression": { "argumentTypes": null, "hexValue": "30", "id": 2948, 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"src": "5979:4:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 2960, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "5979:12:5" }, { "assignments": [ 2962 ], "declarations": [ { "constant": false, "id": 2962, "name": "otherprevoff", "nodeType": "VariableDeclaration", "scope": 3089, "src": "6001:17:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2961, "name": "uint", "nodeType": "ElementaryTypeName", "src": "6001:4:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 2963, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "6001:17:5" }, { "assignments": [ 2965 ], "declarations": [ { "constant": false, "id": 2965, "name": "counts", "nodeType": 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