{ "contractName": "WitnetCBOR", "abi": [ { "inputs": [], "name": "EmptyArray", "type": "error" }, { "inputs": [ { "internalType": "uint256", "name": "length", "type": "uint256" } ], "name": "InvalidLengthEncoding", "type": "error" }, { "inputs": [ { "internalType": "uint256", "name": "read", "type": "uint256" }, { "internalType": "uint256", "name": "expected", "type": "uint256" } ], "name": "UnexpectedMajorType", "type": "error" }, { "inputs": [ { "internalType": "uint256", "name": "unexpected", "type": "uint256" } ], "name": "UnsupportedMajorType", "type": "error" }, { "inputs": [ { "internalType": "uint256", "name": "primitive", "type": "uint256" } ], "name": "UnsupportedPrimitive", "type": "error" } ], "metadata": "{\"compiler\":{\"version\":\"0.8.30+commit.73712a01\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[],\"name\":\"EmptyArray\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"length\",\"type\":\"uint256\"}],\"name\":\"InvalidLengthEncoding\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"read\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"expected\",\"type\":\"uint256\"}],\"name\":\"UnexpectedMajorType\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"unexpected\",\"type\":\"uint256\"}],\"name\":\"UnsupportedMajorType\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"primitive\",\"type\":\"uint256\"}],\"name\":\"UnsupportedPrimitive\",\"type\":\"error\"}],\"devdoc\":{\"author\":\"The Witnet Foundation.\",\"details\":\"Most of the logic has been borrowed from Patrick Gansterer\\u2019s cbor.js library: https://github.com/paroga/cbor-js\",\"kind\":\"dev\",\"methods\":{},\"title\":\"A minimalistic implementation of \\u201cRFC 7049 Concise Binary Object Representation\\u201d\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"notice\":\"This library leverages a buffer-like structure for step-by-step decoding of bytes so as to minimize the gas cost of decoding them into a useful native type.\",\"version\":1}},\"settings\":{\"compilationTarget\":{\"project:/contracts/libs/WitnetCBOR.sol\":\"WitnetCBOR\"},\"evmVersion\":\"prague\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"project:/contracts/libs/WitnetBuffer.sol\":{\"keccak256\":\"0x8e07aebe2954ab3e6f2d8eceedb12db7cf915c1f3e8630f4fa9999cecb1c78ec\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://ed6c54cc901183d61546e8fd15bd5ea8ef238ebc915642946071d435dd7481ea\",\"dweb:/ipfs/Qmcaqta7YjUSBbBUGqoh44bsCS6UqqoyHjBuz4qnKBShXM\"]},\"project:/contracts/libs/WitnetCBOR.sol\":{\"keccak256\":\"0xd99308373575cc10fb7f2ceb0f6a8625f3911275c1fa27811fae498d98d03d97\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b4909a999d7b660a2dc54ca957b6eccfa523e2765fc4d6a2574dee7d5cd67b43\",\"dweb:/ipfs/QmWGQT4KDcfSFe1hcHVoWx6E4PhYMaod5iLpJCWBEeShzh\"]}},\"version\":1}", "bytecode": "0x60556032600b8282823980515f1a607314602657634e487b7160e01b5f525f60045260245ffd5b305f52607381538281f3fe730000000000000000000000000000000000000000301460806040525f5ffdfea26469706673582212209c855596ff3cb4572bf88e2da3eb15f6a7b506af799ee0b5428811181c3dbfdd64736f6c634300081e0033", "deployedBytecode": "0x730000000000000000000000000000000000000000301460806040525f5ffdfea26469706673582212209c855596ff3cb4572bf88e2da3eb15f6a7b506af799ee0b5428811181c3dbfdd64736f6c634300081e0033", "immutableReferences": {}, "generatedSources": [], "deployedGeneratedSources": [], "sourceMap": "536:19028:118:-:0;;;;;;;;;;;;;;;-1:-1:-1;;;536:19028:118;;;;;;;;;;;;;;;;;", "deployedSourceMap": "536:19028:118:-:0;;;;;;;;", "source": "// SPDX-License-Identifier: MIT\r\n\r\npragma solidity >=0.8.0 <0.9.0;\r\n\r\nimport \"./WitnetBuffer.sol\";\r\n\r\n/// @title A minimalistic implementation of “RFC 7049 Concise Binary Object Representation”\r\n/// @notice This library leverages a buffer-like structure for step-by-step decoding of bytes so as to minimize\r\n/// the gas cost of decoding them into a useful native type.\r\n/// @dev Most of the logic has been borrowed from Patrick Gansterer’s cbor.js library: https://github.com/paroga/cbor-js\r\n/// @author The Witnet Foundation.\r\n\r\nlibrary WitnetCBOR {\r\n\r\n using WitnetBuffer for WitnetBuffer.Buffer;\r\n using WitnetCBOR for WitnetCBOR.CBOR;\r\n\r\n /// Data struct following the RFC-7049 standard: Concise Binary Object Representation.\r\n struct CBOR {\r\n WitnetBuffer.Buffer buffer;\r\n uint8 initialByte;\r\n uint8 majorType;\r\n uint8 additionalInformation;\r\n uint64 len;\r\n uint64 tag;\r\n }\r\n\r\n uint8 internal constant MAJOR_TYPE_INT = 0;\r\n uint8 internal constant MAJOR_TYPE_NEGATIVE_INT = 1;\r\n uint8 internal constant MAJOR_TYPE_BYTES = 2;\r\n uint8 internal constant MAJOR_TYPE_STRING = 3;\r\n uint8 internal constant MAJOR_TYPE_ARRAY = 4;\r\n uint8 internal constant MAJOR_TYPE_MAP = 5;\r\n uint8 internal constant MAJOR_TYPE_TAG = 6;\r\n uint8 internal constant MAJOR_TYPE_CONTENT_FREE = 7;\r\n\r\n uint32 internal constant UINT32_MAX = type(uint32).max;\r\n uint64 internal constant UINT64_MAX = type(uint64).max;\r\n \r\n error EmptyArray();\r\n error InvalidLengthEncoding(uint length);\r\n error UnexpectedMajorType(uint read, uint expected);\r\n error UnsupportedPrimitive(uint primitive);\r\n error UnsupportedMajorType(uint unexpected); \r\n\r\n modifier isMajorType(\r\n WitnetCBOR.CBOR memory cbor,\r\n uint8 expected\r\n ) {\r\n if (cbor.majorType != expected) {\r\n revert UnexpectedMajorType(cbor.majorType, expected);\r\n }\r\n _;\r\n }\r\n\r\n modifier notEmpty(WitnetBuffer.Buffer memory buffer) {\r\n if (buffer.data.length == 0) {\r\n revert WitnetBuffer.EmptyBuffer();\r\n }\r\n _;\r\n }\r\n\r\n function eof(CBOR memory cbor)\r\n internal pure\r\n returns (bool)\r\n {\r\n return cbor.buffer.cursor >= cbor.buffer.data.length;\r\n }\r\n\r\n /// @notice Decode a CBOR structure from raw bytes.\r\n /// @dev This is the main factory for CBOR instances, which can be later decoded into native EVM types.\r\n /// @param bytecode Raw bytes representing a CBOR-encoded value.\r\n /// @return A `CBOR` instance containing a partially decoded value.\r\n function fromBytes(bytes memory bytecode)\r\n internal pure\r\n returns (CBOR memory)\r\n {\r\n WitnetBuffer.Buffer memory buffer = WitnetBuffer.Buffer(bytecode, 0);\r\n return fromBuffer(buffer);\r\n }\r\n\r\n /// @notice Decode a CBOR structure from raw bytes.\r\n /// @dev This is an alternate factory for CBOR instances, which can be later decoded into native EVM types.\r\n /// @param buffer A Buffer structure representing a CBOR-encoded value.\r\n /// @return A `CBOR` instance containing a partially decoded value.\r\n function fromBuffer(WitnetBuffer.Buffer memory buffer)\r\n internal pure\r\n notEmpty(buffer)\r\n returns (CBOR memory)\r\n {\r\n uint8 initialByte;\r\n uint8 majorType = 255;\r\n uint8 additionalInformation;\r\n uint64 tag = UINT64_MAX;\r\n uint256 len;\r\n bool isTagged = true;\r\n while (isTagged) {\r\n // Extract basic CBOR properties from input bytes\r\n initialByte = buffer.readUint8();\r\n len ++;\r\n majorType = initialByte >> 5;\r\n additionalInformation = initialByte & 0x1f;\r\n // Early CBOR tag parsing.\r\n if (majorType == MAJOR_TYPE_TAG) {\r\n uint _cursor = buffer.cursor;\r\n tag = readLength(buffer, additionalInformation);\r\n len += buffer.cursor - _cursor;\r\n } else {\r\n isTagged = false;\r\n }\r\n }\r\n if (majorType > MAJOR_TYPE_CONTENT_FREE) {\r\n revert UnsupportedMajorType(majorType);\r\n }\r\n return CBOR(\r\n buffer,\r\n initialByte,\r\n majorType,\r\n additionalInformation,\r\n uint64(len),\r\n tag\r\n );\r\n }\r\n\r\n function fork(WitnetCBOR.CBOR memory self)\r\n internal pure\r\n returns (WitnetCBOR.CBOR memory)\r\n {\r\n return CBOR({\r\n buffer: self.buffer.fork(),\r\n initialByte: self.initialByte,\r\n majorType: self.majorType,\r\n additionalInformation: self.additionalInformation,\r\n len: self.len,\r\n tag: self.tag\r\n });\r\n }\r\n\r\n function settle(CBOR memory self)\r\n internal pure\r\n returns (WitnetCBOR.CBOR memory)\r\n {\r\n if (!self.eof()) {\r\n return fromBuffer(self.buffer);\r\n } else {\r\n return self;\r\n }\r\n }\r\n\r\n function skip(CBOR memory self)\r\n internal pure\r\n returns (WitnetCBOR.CBOR memory)\r\n {\r\n if (\r\n self.majorType == MAJOR_TYPE_INT\r\n || self.majorType == MAJOR_TYPE_NEGATIVE_INT\r\n || (\r\n self.majorType == MAJOR_TYPE_CONTENT_FREE \r\n && self.additionalInformation >= 25\r\n && self.additionalInformation <= 27\r\n )\r\n ) {\r\n self.buffer.cursor += self.peekLength();\r\n } else if (\r\n self.majorType == MAJOR_TYPE_STRING\r\n || self.majorType == MAJOR_TYPE_BYTES\r\n ) {\r\n uint64 len = readLength(self.buffer, self.additionalInformation);\r\n self.buffer.cursor += len;\r\n } else if (\r\n self.majorType == MAJOR_TYPE_ARRAY\r\n || self.majorType == MAJOR_TYPE_MAP\r\n ) { \r\n self.len = readLength(self.buffer, self.additionalInformation); \r\n } else if (\r\n self.majorType != MAJOR_TYPE_CONTENT_FREE\r\n || (\r\n self.additionalInformation != 20\r\n && self.additionalInformation != 21\r\n )\r\n ) {\r\n revert(\"WitnetCBOR.skip: unsupported major type\");\r\n }\r\n return self;\r\n }\r\n\r\n function peekLength(CBOR memory self)\r\n internal pure\r\n returns (uint64)\r\n {\r\n if (self.additionalInformation < 24) {\r\n return 0;\r\n } else if (self.additionalInformation < 28) {\r\n return uint64(1 << (self.additionalInformation - 24));\r\n } else {\r\n revert InvalidLengthEncoding(self.additionalInformation);\r\n }\r\n }\r\n\r\n function readArray(CBOR memory self)\r\n internal pure\r\n isMajorType(self, MAJOR_TYPE_ARRAY)\r\n returns (CBOR[] memory items)\r\n {\r\n // read array's length and move self cursor forward to the first array element:\r\n uint64 len = readLength(self.buffer, self.additionalInformation);\r\n items = new CBOR[](len + 1);\r\n for (uint ix = 0; ix < len; ix ++) {\r\n // settle next element in the array:\r\n self = self.settle();\r\n // fork it and added to the list of items to be returned:\r\n items[ix] = self.fork();\r\n if (self.majorType == MAJOR_TYPE_ARRAY) {\r\n CBOR[] memory _subitems = self.readArray();\r\n // move forward to the first element after inner array:\r\n self = _subitems[_subitems.length - 1];\r\n } else if (self.majorType == MAJOR_TYPE_MAP) {\r\n CBOR[] memory _subitems = self.readMap();\r\n // move forward to the first element after inner map:\r\n self = _subitems[_subitems.length - 1];\r\n } else {\r\n // move forward to the next element:\r\n self.skip();\r\n }\r\n }\r\n // return self cursor as extra item at the end of the list,\r\n // as to optimize recursion when jumping over nested arrays:\r\n items[len] = self;\r\n }\r\n\r\n function readMap(CBOR memory self)\r\n internal pure\r\n isMajorType(self, MAJOR_TYPE_MAP)\r\n returns (CBOR[] memory items)\r\n {\r\n // read number of items within the map and move self cursor forward to the first inner element:\r\n uint64 len = readLength(self.buffer, self.additionalInformation) * 2;\r\n items = new CBOR[](len + 1);\r\n for (uint ix = 0; ix < len; ix ++) {\r\n // settle next element in the array:\r\n self = self.settle();\r\n // fork it and added to the list of items to be returned:\r\n items[ix] = self.fork();\r\n if (ix % 2 == 0 && self.majorType != MAJOR_TYPE_STRING) {\r\n revert UnexpectedMajorType(self.majorType, MAJOR_TYPE_STRING);\r\n } else if (self.majorType == MAJOR_TYPE_ARRAY || self.majorType == MAJOR_TYPE_MAP) {\r\n CBOR[] memory _subitems = (self.majorType == MAJOR_TYPE_ARRAY\r\n ? self.readArray()\r\n : self.readMap()\r\n );\r\n // move forward to the first element after inner array or map:\r\n self = _subitems[_subitems.length - 1];\r\n } else {\r\n // move forward to the next element:\r\n self.skip();\r\n }\r\n }\r\n // return self cursor as extra item at the end of the list,\r\n // as to optimize recursion when jumping over nested arrays:\r\n items[len] = self;\r\n }\r\n\r\n /// Reads the length of the settle CBOR item from a buffer, consuming a different number of bytes depending on the\r\n /// value of the `additionalInformation` argument.\r\n function readLength(\r\n WitnetBuffer.Buffer memory buffer,\r\n uint8 additionalInformation\r\n ) \r\n internal pure\r\n returns (uint64)\r\n {\r\n if (additionalInformation < 24) {\r\n return additionalInformation;\r\n }\r\n if (additionalInformation == 24) {\r\n return buffer.readUint8();\r\n }\r\n if (additionalInformation == 25) {\r\n return buffer.readUint16();\r\n }\r\n if (additionalInformation == 26) {\r\n return buffer.readUint32();\r\n }\r\n if (additionalInformation == 27) {\r\n return buffer.readUint64();\r\n }\r\n if (additionalInformation == 31) {\r\n return UINT64_MAX;\r\n }\r\n revert InvalidLengthEncoding(additionalInformation);\r\n }\r\n\r\n /// @notice Read a `CBOR` structure into a native `bool` value.\r\n /// @param cbor An instance of `CBOR`.\r\n /// @return The value represented by the input, as a `bool` value.\r\n function readBool(CBOR memory cbor)\r\n internal pure\r\n isMajorType(cbor, MAJOR_TYPE_CONTENT_FREE)\r\n returns (bool)\r\n {\r\n if (cbor.additionalInformation == 20) {\r\n return false;\r\n } else if (cbor.additionalInformation == 21) {\r\n return true;\r\n } else {\r\n revert UnsupportedPrimitive(cbor.additionalInformation);\r\n }\r\n }\r\n\r\n /// @notice Decode a `CBOR` structure into a native `bytes` value.\r\n /// @param cbor An instance of `CBOR`.\r\n /// @return output The value represented by the input, as a `bytes` value. \r\n function readBytes(CBOR memory cbor)\r\n internal pure\r\n isMajorType(cbor, MAJOR_TYPE_BYTES)\r\n returns (bytes memory output)\r\n {\r\n cbor.len = readLength(\r\n cbor.buffer,\r\n cbor.additionalInformation\r\n );\r\n if (cbor.len == UINT32_MAX) {\r\n // These checks look repetitive but the equivalent loop would be more expensive.\r\n uint32 length = uint32(_readIndefiniteStringLength(\r\n cbor.buffer,\r\n cbor.majorType\r\n ));\r\n if (length < UINT32_MAX) {\r\n output = abi.encodePacked(cbor.buffer.read(length));\r\n length = uint32(_readIndefiniteStringLength(\r\n cbor.buffer,\r\n cbor.majorType\r\n ));\r\n if (length < UINT32_MAX) {\r\n output = abi.encodePacked(\r\n output,\r\n cbor.buffer.read(length)\r\n );\r\n }\r\n }\r\n } else {\r\n return cbor.buffer.read(uint32(cbor.len));\r\n }\r\n }\r\n\r\n /// @notice Decode a `CBOR` structure into a `fixed16` value.\r\n /// @dev Due to the lack of support for floating or fixed point arithmetic in the EVM, this method offsets all values\r\n /// by 5 decimal orders so as to get a fixed precision of 5 decimal positions, which should be OK for most `fixed16`\r\n /// use cases. In other words, the output of this method is 10,000 times the actual value, encoded into an `int32`.\r\n /// @param cbor An instance of `CBOR`.\r\n /// @return The value represented by the input, as an `int128` value.\r\n function readFloat16(CBOR memory cbor)\r\n internal pure\r\n isMajorType(cbor, MAJOR_TYPE_CONTENT_FREE)\r\n returns (int32)\r\n {\r\n if (cbor.additionalInformation == 25) {\r\n return cbor.buffer.readFloat16();\r\n } else {\r\n revert UnsupportedPrimitive(cbor.additionalInformation);\r\n }\r\n }\r\n\r\n /// @notice Decode a `CBOR` structure into a `fixed32` value.\r\n /// @dev Due to the lack of support for floating or fixed point arithmetic in the EVM, this method offsets all values\r\n /// by 9 decimal orders so as to get a fixed precision of 9 decimal positions, which should be OK for most `fixed64`\r\n /// use cases. In other words, the output of this method is 10^9 times the actual value, encoded into an `int`.\r\n /// @param cbor An instance of `CBOR`.\r\n /// @return The value represented by the input, as an `int` value.\r\n function readFloat32(CBOR memory cbor)\r\n internal pure\r\n isMajorType(cbor, MAJOR_TYPE_CONTENT_FREE)\r\n returns (int)\r\n {\r\n if (cbor.additionalInformation == 26) {\r\n return cbor.buffer.readFloat32();\r\n } else {\r\n revert UnsupportedPrimitive(cbor.additionalInformation);\r\n }\r\n }\r\n\r\n /// @notice Decode a `CBOR` structure into a `fixed64` value.\r\n /// @dev Due to the lack of support for floating or fixed point arithmetic in the EVM, this method offsets all values\r\n /// by 15 decimal orders so as to get a fixed precision of 15 decimal positions, which should be OK for most `fixed64`\r\n /// use cases. In other words, the output of this method is 10^15 times the actual value, encoded into an `int`.\r\n /// @param cbor An instance of `CBOR`.\r\n /// @return The value represented by the input, as an `int` value.\r\n function readFloat64(CBOR memory cbor)\r\n internal pure\r\n isMajorType(cbor, MAJOR_TYPE_CONTENT_FREE)\r\n returns (int)\r\n {\r\n if (cbor.additionalInformation == 27) {\r\n return cbor.buffer.readFloat64();\r\n } else {\r\n revert UnsupportedPrimitive(cbor.additionalInformation);\r\n }\r\n }\r\n\r\n /// @notice Decode a `CBOR` structure into a native `int128[]` value whose inner values follow the same convention \r\n /// @notice as explained in `decodeFixed16`.\r\n /// @param cbor An instance of `CBOR`.\r\n function readFloat16Array(CBOR memory cbor)\r\n internal pure\r\n isMajorType(cbor, MAJOR_TYPE_ARRAY)\r\n returns (int32[] memory values)\r\n {\r\n uint64 length = readLength(cbor.buffer, cbor.additionalInformation);\r\n if (length < UINT64_MAX) {\r\n values = new int32[](length);\r\n for (uint64 i = 0; i < length; ) {\r\n CBOR memory item = fromBuffer(cbor.buffer);\r\n values[i] = readFloat16(item);\r\n unchecked {\r\n i ++;\r\n }\r\n }\r\n } else {\r\n revert InvalidLengthEncoding(length);\r\n }\r\n }\r\n\r\n /// @notice Decode a `CBOR` structure into a native `int128` value.\r\n /// @param cbor An instance of `CBOR`.\r\n /// @return The value represented by the input, as an `int128` value.\r\n function readInt(CBOR memory cbor)\r\n internal pure\r\n returns (int64)\r\n {\r\n if (cbor.majorType == 1) {\r\n uint64 _value = readLength(\r\n cbor.buffer,\r\n cbor.additionalInformation\r\n );\r\n return int64(-1) - int64(uint64(_value));\r\n } else if (cbor.majorType == 0) {\r\n // Any `uint64` can be safely casted to `int128`, so this method supports majorType 1 as well so as to have offer\r\n // a uniform API for positive and negative numbers\r\n return int64(readUint(cbor));\r\n }\r\n else {\r\n revert UnexpectedMajorType(cbor.majorType, 1);\r\n }\r\n }\r\n\r\n /// @notice Decode a `CBOR` structure into a native `int[]` value.\r\n /// @param cbor instance of `CBOR`.\r\n /// @return array The value represented by the input, as an `int[]` value.\r\n function readIntArray(CBOR memory cbor)\r\n internal pure\r\n isMajorType(cbor, MAJOR_TYPE_ARRAY)\r\n returns (int64[] memory array)\r\n {\r\n uint64 length = readLength(cbor.buffer, cbor.additionalInformation);\r\n if (length < UINT64_MAX) {\r\n array = new int64[](length);\r\n for (uint i = 0; i < length; ) {\r\n CBOR memory item = fromBuffer(cbor.buffer);\r\n array[i] = readInt(item);\r\n unchecked {\r\n i ++;\r\n }\r\n }\r\n } else {\r\n revert InvalidLengthEncoding(length);\r\n }\r\n }\r\n\r\n /// @notice Decode a `CBOR` structure into a native `string` value.\r\n /// @param cbor An instance of `CBOR`.\r\n /// @return text The value represented by the input, as a `string` value.\r\n function readString(CBOR memory cbor)\r\n internal pure\r\n isMajorType(cbor, MAJOR_TYPE_STRING)\r\n returns (string memory text)\r\n {\r\n cbor.len = readLength(cbor.buffer, cbor.additionalInformation);\r\n if (cbor.len == UINT64_MAX) {\r\n bool _done;\r\n while (!_done) {\r\n uint64 length = _readIndefiniteStringLength(\r\n cbor.buffer,\r\n cbor.majorType\r\n );\r\n if (length < UINT64_MAX) {\r\n text = string(abi.encodePacked(\r\n text,\r\n cbor.buffer.readText(length / 4)\r\n ));\r\n } else {\r\n _done = true;\r\n }\r\n }\r\n } else {\r\n return string(cbor.buffer.readText(cbor.len));\r\n }\r\n }\r\n\r\n /// @notice Decode a `CBOR` structure into a native `string[]` value.\r\n /// @param cbor An instance of `CBOR`.\r\n /// @return strings The value represented by the input, as an `string[]` value.\r\n function readStringArray(CBOR memory cbor)\r\n internal pure\r\n isMajorType(cbor, MAJOR_TYPE_ARRAY)\r\n returns (string[] memory strings)\r\n {\r\n uint length = readLength(cbor.buffer, cbor.additionalInformation);\r\n if (length < UINT64_MAX) {\r\n strings = new string[](length);\r\n for (uint i = 0; i < length; ) {\r\n CBOR memory item = fromBuffer(cbor.buffer);\r\n strings[i] = readString(item);\r\n unchecked {\r\n i ++;\r\n }\r\n }\r\n } else {\r\n revert InvalidLengthEncoding(length);\r\n }\r\n }\r\n\r\n /// @notice Decode a `CBOR` structure into a native `uint64` value.\r\n /// @param cbor An instance of `CBOR`.\r\n /// @return The value represented by the input, as an `uint64` value.\r\n function readUint(CBOR memory cbor)\r\n internal pure\r\n isMajorType(cbor, MAJOR_TYPE_INT)\r\n returns (uint64)\r\n {\r\n return readLength(\r\n cbor.buffer,\r\n cbor.additionalInformation\r\n );\r\n }\r\n\r\n /// @notice Decode a `CBOR` structure into a native `uint64[]` value.\r\n /// @param cbor An instance of `CBOR`.\r\n /// @return values The value represented by the input, as an `uint64[]` value.\r\n function readUintArray(CBOR memory cbor)\r\n internal pure\r\n isMajorType(cbor, MAJOR_TYPE_ARRAY)\r\n returns (uint64[] memory values)\r\n {\r\n uint64 length = readLength(cbor.buffer, cbor.additionalInformation);\r\n if (length < UINT64_MAX) {\r\n values = new uint64[](length);\r\n for (uint ix = 0; ix < length; ) {\r\n CBOR memory item = fromBuffer(cbor.buffer);\r\n values[ix] = readUint(item);\r\n unchecked {\r\n ix ++;\r\n }\r\n }\r\n } else {\r\n revert InvalidLengthEncoding(length);\r\n }\r\n } \r\n\r\n /// Read the length of a CBOR indifinite-length item (arrays, maps, byte strings and text) from a buffer, consuming\r\n /// as many bytes as specified by the first byte.\r\n function _readIndefiniteStringLength(\r\n WitnetBuffer.Buffer memory buffer,\r\n uint8 majorType\r\n )\r\n private pure\r\n returns (uint64 len)\r\n {\r\n uint8 initialByte = buffer.readUint8();\r\n if (initialByte == 0xff) {\r\n return UINT64_MAX;\r\n }\r\n len = readLength(\r\n buffer,\r\n initialByte & 0x1f\r\n );\r\n if (len >= UINT64_MAX) {\r\n revert InvalidLengthEncoding(len);\r\n } else if (majorType != (initialByte >> 5)) {\r\n revert UnexpectedMajorType((initialByte >> 5), majorType);\r\n }\r\n }\r\n \r\n}", "sourcePath": "C:\\Users\\guill\\github\\guidiaz\\witnet-solidity-bridge\\contracts\\libs\\WitnetCBOR.sol", "ast": { "absolutePath": "project:/contracts/libs/WitnetCBOR.sol", "exportedSymbols": { "WitnetBuffer": [ 42631 ], "WitnetCBOR": [ 44174 ] }, "id": 44175, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 42633, "literals": [ "solidity", ">=", "0.8", ".0", "<", "0.9", ".0" ], "nodeType": "PragmaDirective", "src": "35:31:118" }, { "absolutePath": "project:/contracts/libs/WitnetBuffer.sol", "file": "./WitnetBuffer.sol", "id": 42634, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 44175, "sourceUnit": 42632, "src": "70:28:118", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [], "canonicalName": "WitnetCBOR", "contractDependencies": [], "contractKind": "library", "documentation": { "id": 42635, "nodeType": "StructuredDocumentation", "src": "102:432:118", "text": "@title A minimalistic implementation of “RFC 7049 Concise Binary Object Representation”\n @notice This library leverages a buffer-like structure for step-by-step decoding of bytes so as to minimize\n the gas cost of decoding them into a useful native type.\n @dev Most of the logic has been borrowed from Patrick Gansterer’s cbor.js library: https://github.com/paroga/cbor-js\n @author The Witnet Foundation." }, "fullyImplemented": true, "id": 44174, "linearizedBaseContracts": [ 44174 ], "name": "WitnetCBOR", "nameLocation": "544:10:118", "nodeType": "ContractDefinition", "nodes": [ { "global": false, "id": 42639, "libraryName": { "id": 42636, "name": "WitnetBuffer", "nameLocations": [ "568:12:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42631, "src": "568:12:118" }, "nodeType": "UsingForDirective", "src": "562:43:118", "typeName": { "id": 42638, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 42637, "name": "WitnetBuffer.Buffer", "nameLocations": [ "585:12:118", "598:6:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 40764, "src": "585:19:118" }, "referencedDeclaration": 40764, "src": "585:19:118", "typeDescriptions": { "typeIdentifier": "t_struct$_Buffer_$40764_storage_ptr", "typeString": "struct WitnetBuffer.Buffer" } } }, { "global": false, "id": 42643, "libraryName": { "id": 42640, "name": "WitnetCBOR", "nameLocations": [ "615:10:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 44174, "src": "615:10:118" }, "nodeType": "UsingForDirective", "src": "609:37:118", "typeName": { "id": 42642, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 42641, "name": "WitnetCBOR.CBOR", "nameLocations": [ "630:10:118", "641:4:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42658, "src": "630:15:118" }, "referencedDeclaration": 42658, "src": "630:15:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_storage_ptr", "typeString": "struct WitnetCBOR.CBOR" } } }, { "canonicalName": "WitnetCBOR.CBOR", "documentation": { "id": 42644, "nodeType": "StructuredDocumentation", "src": "652:86:118", "text": "Data struct following the RFC-7049 standard: Concise Binary Object Representation." }, "id": 42658, "members": [ { "constant": false, "id": 42647, "mutability": "mutable", "name": "buffer", "nameLocation": "783:6:118", "nodeType": "VariableDeclaration", "scope": 42658, "src": "763:26:118", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_struct$_Buffer_$40764_storage_ptr", "typeString": "struct WitnetBuffer.Buffer" }, "typeName": { "id": 42646, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 42645, "name": "WitnetBuffer.Buffer", "nameLocations": [ "763:12:118", "776:6:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 40764, "src": "763:19:118" }, "referencedDeclaration": 40764, "src": "763:19:118", "typeDescriptions": { "typeIdentifier": "t_struct$_Buffer_$40764_storage_ptr", "typeString": "struct WitnetBuffer.Buffer" } }, "visibility": "internal" }, { "constant": false, "id": 42649, "mutability": "mutable", "name": "initialByte", "nameLocation": "804:11:118", "nodeType": "VariableDeclaration", "scope": 42658, "src": "798:17:118", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 42648, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "798:5:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" }, { "constant": false, "id": 42651, "mutability": "mutable", "name": "majorType", "nameLocation": "830:9:118", "nodeType": "VariableDeclaration", "scope": 42658, "src": "824:15:118", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 42650, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "824:5:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" }, { "constant": false, "id": 42653, "mutability": "mutable", "name": "additionalInformation", "nameLocation": "854:21:118", "nodeType": "VariableDeclaration", "scope": 42658, "src": "848:27:118", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 42652, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "848:5:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" }, { "constant": false, "id": 42655, "mutability": "mutable", "name": "len", "nameLocation": "891:3:118", "nodeType": "VariableDeclaration", "scope": 42658, "src": "884:10:118", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" }, "typeName": { "id": 42654, "name": "uint64", "nodeType": "ElementaryTypeName", "src": "884:6:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "visibility": "internal" }, { "constant": false, "id": 42657, "mutability": "mutable", "name": "tag", "nameLocation": "910:3:118", "nodeType": "VariableDeclaration", "scope": 42658, "src": "903:10:118", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" }, "typeName": { "id": 42656, "name": "uint64", "nodeType": "ElementaryTypeName", "src": "903:6:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "visibility": "internal" } ], "name": "CBOR", "nameLocation": "749:4:118", "nodeType": "StructDefinition", "scope": 44174, "src": "742:177:118", "visibility": "public" }, { "constant": true, "id": 42661, "mutability": "constant", "name": "MAJOR_TYPE_INT", "nameLocation": "949:14:118", "nodeType": "VariableDeclaration", "scope": 44174, "src": "925:42:118", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 42659, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "925:5:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "30", "id": 42660, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "966:1:118", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "visibility": "internal" }, { "constant": true, "id": 42664, "mutability": "constant", "name": "MAJOR_TYPE_NEGATIVE_INT", "nameLocation": "996:23:118", "nodeType": "VariableDeclaration", "scope": 44174, "src": "972:51:118", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 42662, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "972:5:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "31", "id": 42663, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1022:1:118", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "visibility": "internal" }, { "constant": true, "id": 42667, "mutability": "constant", "name": "MAJOR_TYPE_BYTES", "nameLocation": "1052:16:118", "nodeType": "VariableDeclaration", "scope": 44174, "src": "1028:44:118", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 42665, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "1028:5:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "32", "id": 42666, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1071:1:118", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "visibility": "internal" }, { "constant": true, "id": 42670, "mutability": "constant", "name": "MAJOR_TYPE_STRING", "nameLocation": "1101:17:118", "nodeType": "VariableDeclaration", "scope": 44174, "src": "1077:45:118", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 42668, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "1077:5:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "33", "id": 42669, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1121:1:118", "typeDescriptions": { "typeIdentifier": "t_rational_3_by_1", "typeString": "int_const 3" }, "value": "3" }, "visibility": "internal" }, { "constant": true, "id": 42673, "mutability": "constant", "name": "MAJOR_TYPE_ARRAY", "nameLocation": "1151:16:118", "nodeType": "VariableDeclaration", "scope": 44174, "src": "1127:44:118", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 42671, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "1127:5:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "34", "id": 42672, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1170:1:118", "typeDescriptions": { "typeIdentifier": "t_rational_4_by_1", "typeString": "int_const 4" }, "value": "4" }, "visibility": "internal" }, { "constant": true, "id": 42676, "mutability": "constant", "name": "MAJOR_TYPE_MAP", "nameLocation": "1200:14:118", "nodeType": "VariableDeclaration", "scope": 44174, "src": "1176:42:118", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 42674, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "1176:5:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "35", "id": 42675, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1217:1:118", "typeDescriptions": { "typeIdentifier": "t_rational_5_by_1", "typeString": "int_const 5" }, "value": "5" }, "visibility": "internal" }, { "constant": true, "id": 42679, "mutability": "constant", "name": "MAJOR_TYPE_TAG", "nameLocation": "1247:14:118", "nodeType": "VariableDeclaration", "scope": 44174, "src": "1223:42:118", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 42677, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "1223:5:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "36", "id": 42678, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1264:1:118", "typeDescriptions": { "typeIdentifier": "t_rational_6_by_1", "typeString": "int_const 6" }, "value": "6" }, "visibility": "internal" }, { "constant": true, "id": 42682, "mutability": "constant", "name": "MAJOR_TYPE_CONTENT_FREE", "nameLocation": "1294:23:118", "nodeType": "VariableDeclaration", "scope": 44174, "src": "1270:51:118", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 42680, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "1270:5:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "37", "id": 42681, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1320:1:118", "typeDescriptions": { "typeIdentifier": "t_rational_7_by_1", "typeString": "int_const 7" }, "value": "7" }, "visibility": "internal" }, { "constant": true, "id": 42689, "mutability": "constant", "name": "UINT32_MAX", "nameLocation": "1353:10:118", "nodeType": "VariableDeclaration", "scope": 44174, "src": "1328:54:118", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 42683, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "1328:6:118", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": { "expression": { "arguments": [ { "id": 42686, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1371:6:118", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint32_$", "typeString": "type(uint32)" }, "typeName": { "id": 42685, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "1371:6:118", "typeDescriptions": {} } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_type$_t_uint32_$", "typeString": "type(uint32)" } ], "id": 42684, "name": "type", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967269, "src": "1366:4:118", "typeDescriptions": { "typeIdentifier": "t_function_metatype_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 42687, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1366:12:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_magic_meta_type_t_uint32", "typeString": "type(uint32)" } }, "id": 42688, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberLocation": "1379:3:118", "memberName": "max", "nodeType": "MemberAccess", "src": "1366:16:118", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "visibility": "internal" }, { "constant": true, "id": 42696, "mutability": "constant", "name": "UINT64_MAX", "nameLocation": "1412:10:118", "nodeType": "VariableDeclaration", "scope": 44174, "src": "1387:54:118", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" }, "typeName": { "id": 42690, "name": "uint64", "nodeType": "ElementaryTypeName", "src": "1387:6:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "value": { "expression": { "arguments": [ { "id": 42693, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1430:6:118", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint64_$", "typeString": "type(uint64)" }, "typeName": { "id": 42692, "name": "uint64", "nodeType": "ElementaryTypeName", "src": "1430:6:118", "typeDescriptions": {} } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_type$_t_uint64_$", "typeString": "type(uint64)" } ], "id": 42691, "name": "type", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967269, "src": "1425:4:118", "typeDescriptions": { "typeIdentifier": "t_function_metatype_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 42694, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1425:12:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_magic_meta_type_t_uint64", "typeString": "type(uint64)" } }, "id": 42695, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberLocation": "1438:3:118", "memberName": "max", "nodeType": "MemberAccess", "src": "1425:16:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "visibility": "internal" }, { "errorSelector": "521299a9", "id": 42698, "name": "EmptyArray", "nameLocation": "1456:10:118", "nodeType": "ErrorDefinition", "parameters": { "id": 42697, "nodeType": "ParameterList", "parameters": [], "src": "1466:2:118" }, "src": "1450:19:118" }, { "errorSelector": "6d785b13", "id": 42702, "name": "InvalidLengthEncoding", "nameLocation": "1479:21:118", "nodeType": "ErrorDefinition", "parameters": { "id": 42701, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 42700, "mutability": "mutable", "name": "length", "nameLocation": "1506:6:118", "nodeType": "VariableDeclaration", "scope": 42702, "src": "1501:11:118", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 42699, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1501:4:118", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1500:13:118" }, "src": "1473:41:118" }, { "errorSelector": "001000a0", "id": 42708, "name": "UnexpectedMajorType", "nameLocation": "1524:19:118", "nodeType": "ErrorDefinition", "parameters": { "id": 42707, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 42704, "mutability": "mutable", "name": "read", "nameLocation": "1549:4:118", "nodeType": "VariableDeclaration", "scope": 42708, "src": "1544:9:118", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 42703, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1544:4:118", "typeDescriptions": { "typeIdentifier": 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"referencedDeclaration": 42813, "src": "3939:11:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, { "id": 42898, "name": "majorType", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42816, "src": "3959:9:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, { "id": 42899, "name": "additionalInformation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42820, "src": "3977:21:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, { "arguments": [ { "id": 42902, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42827, "src": "4014:3:118", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 42901, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "4007:6:118", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint64_$", "typeString": "type(uint64)" }, "typeName": { "id": 42900, "name": "uint64", "nodeType": "ElementaryTypeName", "src": "4007:6:118", "typeDescriptions": {} } }, "id": 42903, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "4007:11:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, { "id": 42904, "name": "tag", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42823, "src": "4027:3:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" }, { "typeIdentifier": "t_uint64", "typeString": "uint64" }, { "typeIdentifier": "t_uint64", "typeString": "uint64" } ], "id": 42895, "name": "CBOR", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42658, "src": "3911:4:118", "typeDescriptions": { "typeIdentifier": "t_type$_t_struct$_CBOR_$42658_storage_ptr_$", "typeString": "type(struct WitnetCBOR.CBOR storage pointer)" } }, "id": 42905, "isConstant": false, "isLValue": false, "isPure": false, "kind": "structConstructorCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "3911:126:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "functionReturnParameters": 42811, "id": 42906, "nodeType": "Return", "src": "3904:133:118" } ] }, "documentation": { "id": 42800, "nodeType": "StructuredDocumentation", "src": "2698:308:118", "text": "@notice Decode a CBOR structure from raw bytes.\n @dev This is an alternate factory for CBOR instances, which can be later decoded into native EVM types.\n @param buffer A Buffer structure representing a CBOR-encoded value.\n @return A `CBOR` instance containing a partially decoded value." }, "id": 42908, "implemented": true, "kind": "function", "modifiers": [ { "arguments": [ { "id": 42806, "name": "buffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42803, "src": "3098:6:118", "typeDescriptions": { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" } } ], "id": 42807, "kind": "modifierInvocation", "modifierName": { "id": 42805, "name": "notEmpty", "nameLocations": [ "3089:8:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42756, "src": 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"3010:1033:118", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 42934, "nodeType": "Block", "src": "4152:242:118", "statements": [ { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "expression": { "expression": { "id": 42918, "name": "self", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42911, "src": "4188:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 42919, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "4193:6:118", "memberName": "buffer", "nodeType": "MemberAccess", "referencedDeclaration": 42647, "src": "4188:11:118", "typeDescriptions": { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" } }, "id": 42920, "isConstant": false, "isLValue": true, "isPure": false, 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"typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "functionReturnParameters": 42916, "id": 42933, "nodeType": "Return", "src": "4159:229:118" } ] }, "id": 42935, "implemented": true, "kind": "function", "modifiers": [], "name": "fork", "nameLocation": "4058:4:118", "nodeType": "FunctionDefinition", "parameters": { "id": 42912, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 42911, "mutability": "mutable", "name": "self", "nameLocation": "4086:4:118", "nodeType": "VariableDeclaration", "scope": 42935, "src": "4063:27:118", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR" }, "typeName": { "id": 42910, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 42909, "name": "WitnetCBOR.CBOR", "nameLocations": [ "4063:10:118", "4074:4:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 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43474, "nodeType": "StructuredDocumentation", "src": "10076:189:118", "text": "@notice Decode a `CBOR` structure into a native `bytes` value.\n @param cbor An instance of `CBOR`.\n @return output The value represented by the input, as a `bytes` value. " }, "id": 43572, "implemented": true, "kind": "function", "modifiers": [ { "arguments": [ { "id": 43480, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43477, "src": "10342:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, { "id": 43481, "name": "MAJOR_TYPE_BYTES", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42667, "src": "10348:16:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "id": 43482, "kind": "modifierInvocation", "modifierName": { "id": 43479, "name": "isMajorType", "nameLocations": [ "10330:11:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42737, "src": "10330:11:118" }, "nodeType": "ModifierInvocation", "src": "10330:35:118" } ], "name": "readBytes", "nameLocation": "10278:9:118", "nodeType": "FunctionDefinition", "parameters": { "id": 43478, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 43477, "mutability": "mutable", "name": "cbor", "nameLocation": "10300:4:118", "nodeType": "VariableDeclaration", "scope": 43572, "src": "10288:16:118", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR" }, "typeName": { "id": 43476, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 43475, "name": "CBOR", "nameLocations": [ "10288:4:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42658, "src": "10288:4:118" }, "referencedDeclaration": 42658, "src": "10288:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_storage_ptr", "typeString": "struct WitnetCBOR.CBOR" } }, "visibility": "internal" } ], "src": "10287:18:118" }, "returnParameters": { "id": 43485, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 43484, "mutability": "mutable", "name": "output", "nameLocation": "10393:6:118", "nodeType": "VariableDeclaration", "scope": 43572, "src": "10380:19:118", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 43483, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "10380:5:118", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "10379:21:118" }, "scope": 44174, "src": "10269:921:118", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 43602, "nodeType": "Block", "src": "11866:177:118", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "id": 43588, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "id": 43585, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43576, "src": "11877:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43586, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "11882:21:118", "memberName": "additionalInformation", "nodeType": "MemberAccess", "referencedDeclaration": 42653, "src": "11877:26:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "3235", "id": 43587, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "11907:2:118", "typeDescriptions": { "typeIdentifier": "t_rational_25_by_1", "typeString": "int_const 25" }, "value": "25" }, "src": "11877:32:118", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 43600, "nodeType": "Block", "src": "11966:72:118", "statements": [ { "errorCall": { "arguments": [ { "expression": { "id": 43596, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43576, "src": "12003:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43597, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "12008:21:118", "memberName": "additionalInformation", "nodeType": "MemberAccess", "referencedDeclaration": 42653, "src": "12003:26:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 43595, "name": "UnsupportedPrimitive", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42712, "src": "11982:20:118", "typeDescriptions": { "typeIdentifier": "t_function_error_pure$_t_uint256_$returns$_t_error_$", "typeString": "function (uint256) pure returns (error)" } }, "id": 43598, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "11982:48:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_error", "typeString": "error" } }, "id": 43599, "nodeType": "RevertStatement", "src": "11975:55:118" } ] }, "id": 43601, "nodeType": "IfStatement", "src": "11873:165:118", "trueBody": { "id": 43594, "nodeType": "Block", "src": "11911:49:118", "statements": [ { "expression": { "arguments": [], "expression": { "argumentTypes": [], "expression": { "expression": { "id": 43589, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43576, "src": "11927:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43590, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "11932:6:118", "memberName": "buffer", "nodeType": "MemberAccess", "referencedDeclaration": 42647, "src": "11927:11:118", "typeDescriptions": { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" } }, "id": 43591, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "11939:11:118", "memberName": "readFloat16", "nodeType": "MemberAccess", "referencedDeclaration": 41239, "src": "11927:23:118", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_Buffer_$40764_memory_ptr_$returns$_t_int32_$attached_to$_t_struct$_Buffer_$40764_memory_ptr_$", "typeString": "function (struct WitnetBuffer.Buffer memory) pure returns (int32)" } }, "id": 43592, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "11927:25:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_int32", "typeString": "int32" } }, "functionReturnParameters": 43584, "id": 43593, "nodeType": "Return", "src": "11920:32:118" } ] } } ] }, "documentation": { "id": 43573, "nodeType": "StructuredDocumentation", "src": "11196:536:118", "text": "@notice Decode a `CBOR` structure into a `fixed16` value.\n @dev Due to the lack of support for floating or fixed point arithmetic in the EVM, this method offsets all values\n by 5 decimal orders so as to get a fixed precision of 5 decimal positions, which should be OK for most `fixed16`\n use cases. In other words, the output of this method is 10,000 times the actual value, encoded into an `int32`.\n @param cbor An instance of `CBOR`.\n @return The value represented by the input, as an `int128` value." }, "id": 43603, "implemented": true, "kind": "function", "modifiers": [ { "arguments": [ { "id": 43579, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43576, "src": "11811:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, { "id": 43580, "name": "MAJOR_TYPE_CONTENT_FREE", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42682, "src": "11817:23:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "id": 43581, "kind": "modifierInvocation", "modifierName": { "id": 43578, "name": "isMajorType", "nameLocations": [ "11799:11:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42737, "src": "11799:11:118" }, "nodeType": "ModifierInvocation", "src": "11799:42:118" } ], "name": "readFloat16", "nameLocation": "11745:11:118", "nodeType": "FunctionDefinition", "parameters": { "id": 43577, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 43576, "mutability": "mutable", "name": "cbor", "nameLocation": "11769:4:118", "nodeType": "VariableDeclaration", "scope": 43603, "src": "11757:16:118", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR" }, "typeName": { "id": 43575, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 43574, "name": "CBOR", "nameLocations": [ "11757:4:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42658, "src": "11757:4:118" }, "referencedDeclaration": 42658, "src": "11757:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_storage_ptr", "typeString": "struct WitnetCBOR.CBOR" } }, "visibility": "internal" } ], "src": "11756:18:118" }, "returnParameters": { "id": 43584, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 43583, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 43603, "src": "11856:5:118", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_int32", "typeString": "int32" }, "typeName": { "id": 43582, "name": "int32", "nodeType": "ElementaryTypeName", "src": "11856:5:118", "typeDescriptions": { "typeIdentifier": "t_int32", "typeString": "int32" } }, "visibility": "internal" } ], "src": "11855:7:118" }, "scope": 44174, "src": "11736:307:118", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 43633, "nodeType": "Block", "src": "12710:177:118", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "id": 43619, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "id": 43616, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43607, "src": "12721:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43617, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "12726:21:118", "memberName": "additionalInformation", "nodeType": "MemberAccess", "referencedDeclaration": 42653, "src": "12721:26:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "3236", "id": 43618, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "12751:2:118", "typeDescriptions": { "typeIdentifier": "t_rational_26_by_1", "typeString": "int_const 26" }, "value": "26" }, "src": "12721:32:118", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 43631, "nodeType": "Block", "src": "12810:72:118", "statements": [ { "errorCall": { "arguments": [ { "expression": { "id": 43627, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43607, "src": "12847:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43628, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "12852:21:118", "memberName": "additionalInformation", "nodeType": "MemberAccess", "referencedDeclaration": 42653, "src": "12847:26:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 43626, "name": "UnsupportedPrimitive", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42712, "src": "12826:20:118", "typeDescriptions": { "typeIdentifier": "t_function_error_pure$_t_uint256_$returns$_t_error_$", "typeString": "function (uint256) pure returns (error)" } }, "id": 43629, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "12826:48:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_error", "typeString": "error" } }, "id": 43630, "nodeType": "RevertStatement", "src": "12819:55:118" } ] }, "id": 43632, "nodeType": "IfStatement", "src": "12717:165:118", "trueBody": { "id": 43625, "nodeType": "Block", "src": "12755:49:118", "statements": [ { "expression": { "arguments": [], "expression": { "argumentTypes": [], "expression": { "expression": { "id": 43620, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43607, "src": "12771:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43621, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "12776:6:118", "memberName": "buffer", "nodeType": "MemberAccess", "referencedDeclaration": 42647, "src": "12771:11:118", "typeDescriptions": { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" } }, "id": 43622, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "12783:11:118", "memberName": "readFloat32", "nodeType": "MemberAccess", "referencedDeclaration": 41377, "src": "12771:23:118", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_Buffer_$40764_memory_ptr_$returns$_t_int256_$attached_to$_t_struct$_Buffer_$40764_memory_ptr_$", "typeString": "function (struct WitnetBuffer.Buffer memory) pure returns (int256)" } }, "id": 43623, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "12771:25:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "functionReturnParameters": 43615, "id": 43624, "nodeType": "Return", "src": "12764:32:118" } ] } } ] }, "documentation": { "id": 43604, "nodeType": "StructuredDocumentation", "src": "12049:529:118", "text": "@notice Decode a `CBOR` structure into a `fixed32` value.\n @dev Due to the lack of support for floating or fixed point arithmetic in the EVM, this method offsets all values\n by 9 decimal orders so as to get a fixed precision of 9 decimal positions, which should be OK for most `fixed64`\n use cases. In other words, the output of this method is 10^9 times the actual value, encoded into an `int`.\n @param cbor An instance of `CBOR`.\n @return The value represented by the input, as an `int` value." }, "id": 43634, "implemented": true, "kind": "function", "modifiers": [ { "arguments": [ { "id": 43610, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43607, "src": "12657:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, { "id": 43611, "name": "MAJOR_TYPE_CONTENT_FREE", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42682, "src": "12663:23:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "id": 43612, "kind": "modifierInvocation", "modifierName": { "id": 43609, "name": "isMajorType", "nameLocations": [ "12645:11:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42737, "src": "12645:11:118" }, "nodeType": "ModifierInvocation", "src": "12645:42:118" } ], "name": "readFloat32", "nameLocation": "12591:11:118", "nodeType": "FunctionDefinition", "parameters": { "id": 43608, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 43607, "mutability": "mutable", "name": "cbor", "nameLocation": "12615:4:118", "nodeType": "VariableDeclaration", "scope": 43634, "src": "12603:16:118", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR" }, "typeName": { "id": 43606, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 43605, "name": "CBOR", "nameLocations": [ "12603:4:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42658, "src": "12603:4:118" }, "referencedDeclaration": 42658, "src": "12603:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_storage_ptr", "typeString": "struct WitnetCBOR.CBOR" } }, "visibility": "internal" } ], "src": "12602:18:118" }, "returnParameters": { "id": 43615, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 43614, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 43634, "src": "12702:3:118", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" }, "typeName": { "id": 43613, "name": "int", "nodeType": "ElementaryTypeName", "src": "12702:3:118", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "visibility": "internal" } ], "src": "12701:5:118" }, "scope": 44174, "src": "12582:305:118", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 43664, "nodeType": "Block", "src": "13557:177:118", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "id": 43650, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "id": 43647, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43638, "src": "13568:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43648, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "13573:21:118", "memberName": "additionalInformation", "nodeType": "MemberAccess", "referencedDeclaration": 42653, "src": "13568:26:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "3237", "id": 43649, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "13598:2:118", "typeDescriptions": { "typeIdentifier": "t_rational_27_by_1", "typeString": "int_const 27" }, "value": "27" }, "src": "13568:32:118", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 43662, "nodeType": "Block", "src": "13657:72:118", "statements": [ { "errorCall": { "arguments": [ { "expression": { "id": 43658, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43638, "src": "13694:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43659, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "13699:21:118", "memberName": "additionalInformation", "nodeType": "MemberAccess", "referencedDeclaration": 42653, "src": "13694:26:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 43657, "name": "UnsupportedPrimitive", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42712, "src": "13673:20:118", "typeDescriptions": { "typeIdentifier": "t_function_error_pure$_t_uint256_$returns$_t_error_$", "typeString": "function (uint256) pure returns (error)" } }, "id": 43660, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "13673:48:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_error", "typeString": "error" } }, "id": 43661, "nodeType": "RevertStatement", "src": "13666:55:118" } ] }, "id": 43663, "nodeType": "IfStatement", "src": "13564:165:118", "trueBody": { "id": 43656, "nodeType": "Block", "src": "13602:49:118", "statements": [ { "expression": { "arguments": [], "expression": { "argumentTypes": [], "expression": { "expression": { "id": 43651, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43638, "src": "13618:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43652, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "13623:6:118", "memberName": "buffer", "nodeType": "MemberAccess", "referencedDeclaration": 42647, "src": "13618:11:118", "typeDescriptions": { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" } }, "id": 43653, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "13630:11:118", "memberName": "readFloat64", "nodeType": "MemberAccess", "referencedDeclaration": 41515, "src": "13618:23:118", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_Buffer_$40764_memory_ptr_$returns$_t_int256_$attached_to$_t_struct$_Buffer_$40764_memory_ptr_$", "typeString": "function (struct WitnetBuffer.Buffer memory) pure returns (int256)" } }, "id": 43654, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "13618:25:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "functionReturnParameters": 43646, "id": 43655, "nodeType": "Return", "src": "13611:32:118" } ] } } ] }, "documentation": { "id": 43635, "nodeType": "StructuredDocumentation", "src": "12893:532:118", "text": "@notice Decode a `CBOR` structure into a `fixed64` value.\n @dev Due to the lack of support for floating or fixed point arithmetic in the EVM, this method offsets all values\n by 15 decimal orders so as to get a fixed precision of 15 decimal positions, which should be OK for most `fixed64`\n use cases. In other words, the output of this method is 10^15 times the actual value, encoded into an `int`.\n @param cbor An instance of `CBOR`.\n @return The value represented by the input, as an `int` value." }, "id": 43665, "implemented": true, "kind": "function", "modifiers": [ { "arguments": [ { "id": 43641, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43638, "src": "13504:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, { "id": 43642, "name": "MAJOR_TYPE_CONTENT_FREE", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42682, "src": "13510:23:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "id": 43643, "kind": "modifierInvocation", "modifierName": { "id": 43640, "name": "isMajorType", "nameLocations": [ "13492:11:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42737, "src": "13492:11:118" }, "nodeType": "ModifierInvocation", "src": "13492:42:118" } ], "name": "readFloat64", "nameLocation": "13438:11:118", "nodeType": "FunctionDefinition", "parameters": { "id": 43639, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 43638, "mutability": "mutable", "name": "cbor", "nameLocation": "13462:4:118", "nodeType": "VariableDeclaration", "scope": 43665, "src": "13450:16:118", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR" }, "typeName": { "id": 43637, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 43636, "name": "CBOR", "nameLocations": [ "13450:4:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42658, "src": "13450:4:118" }, "referencedDeclaration": 42658, "src": "13450:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_storage_ptr", "typeString": "struct WitnetCBOR.CBOR" } }, "visibility": "internal" } ], "src": "13449:18:118" }, "returnParameters": { "id": 43646, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 43645, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 43665, "src": "13549:3:118", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" }, "typeName": { "id": 43644, "name": "int", "nodeType": "ElementaryTypeName", "src": "13549:3:118", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "visibility": "internal" } ], "src": "13548:5:118" }, "scope": 44174, "src": "13429:305:118", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 43735, "nodeType": "Block", "src": "14093:408:118", "statements": [ { "assignments": [ 43680 ], "declarations": [ { "constant": false, "id": 43680, "mutability": "mutable", "name": "length", "nameLocation": "14107:6:118", "nodeType": "VariableDeclaration", "scope": 43735, "src": "14100:13:118", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" }, "typeName": { "id": 43679, "name": "uint64", "nodeType": "ElementaryTypeName", "src": "14100:6:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "visibility": "internal" } ], "id": 43687, "initialValue": { "arguments": [ { "expression": { "id": 43682, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43669, "src": "14127:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43683, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "14132:6:118", "memberName": "buffer", "nodeType": "MemberAccess", "referencedDeclaration": 42647, "src": "14127:11:118", "typeDescriptions": { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" } }, { "expression": { "id": 43684, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43669, "src": "14140:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43685, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "14145:21:118", "memberName": "additionalInformation", "nodeType": "MemberAccess", "referencedDeclaration": 42653, "src": "14140:26:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 43681, "name": "readLength", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43437, "src": "14116:10:118", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_Buffer_$40764_memory_ptr_$_t_uint8_$returns$_t_uint64_$", "typeString": "function (struct WitnetBuffer.Buffer memory,uint8) pure returns (uint64)" } }, "id": 43686, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "14116:51:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "nodeType": "VariableDeclarationStatement", "src": "14100:67:118" }, { "condition": { "commonType": { "typeIdentifier": "t_uint64", "typeString": "uint64" }, "id": 43690, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 43688, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43680, "src": "14178:6:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "id": 43689, "name": "UINT64_MAX", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42696, "src": "14187:10:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "src": "14178:19:118", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 43733, "nodeType": "Block", "src": "14443:53:118", "statements": [ { "errorCall": { "arguments": [ { "id": 43730, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43680, "src": "14481:6:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint64", "typeString": "uint64" } ], "id": 43729, "name": "InvalidLengthEncoding", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42702, "src": "14459:21:118", "typeDescriptions": { "typeIdentifier": "t_function_error_pure$_t_uint256_$returns$_t_error_$", "typeString": "function (uint256) pure returns (error)" } }, "id": 43731, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "14459:29:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_error", "typeString": "error" } }, "id": 43732, "nodeType": "RevertStatement", "src": "14452:36:118" } ] }, "id": 43734, "nodeType": "IfStatement", "src": "14174:322:118", "trueBody": { "id": 43728, "nodeType": "Block", "src": "14199:238:118", "statements": [ { "expression": { "id": 43697, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 43691, "name": "values", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43677, "src": "14208:6:118", "typeDescriptions": { "typeIdentifier": "t_array$_t_int32_$dyn_memory_ptr", "typeString": "int32[] memory" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "id": 43695, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43680, "src": "14229:6:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint64", "typeString": "uint64" } ], "id": 43694, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "NewExpression", "src": "14217:11:118", "typeDescriptions": { "typeIdentifier": "t_function_objectcreation_pure$_t_uint256_$returns$_t_array$_t_int32_$dyn_memory_ptr_$", "typeString": "function (uint256) pure returns (int32[] memory)" }, "typeName": { "baseType": { "id": 43692, "name": "int32", "nodeType": "ElementaryTypeName", "src": "14221:5:118", "typeDescriptions": { "typeIdentifier": "t_int32", "typeString": "int32" } }, "id": 43693, "nodeType": "ArrayTypeName", "src": "14221:7:118", "typeDescriptions": { "typeIdentifier": "t_array$_t_int32_$dyn_storage_ptr", "typeString": "int32[]" } } }, "id": 43696, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "14217:19:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_array$_t_int32_$dyn_memory_ptr", "typeString": "int32[] memory" } }, "src": "14208:28:118", "typeDescriptions": { "typeIdentifier": "t_array$_t_int32_$dyn_memory_ptr", "typeString": "int32[] memory" } }, "id": 43698, "nodeType": "ExpressionStatement", "src": "14208:28:118" }, { "body": { "id": 43726, "nodeType": "Block", "src": "14278:152:118", "statements": [ { "assignments": [ 43708 ], "declarations": [ { "constant": false, "id": 43708, "mutability": "mutable", "name": "item", "nameLocation": "14301:4:118", "nodeType": "VariableDeclaration", "scope": 43726, "src": "14289:16:118", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR" }, "typeName": { "id": 43707, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 43706, "name": "CBOR", "nameLocations": [ "14289:4:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42658, "src": "14289:4:118" }, "referencedDeclaration": 42658, "src": "14289:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_storage_ptr", "typeString": "struct WitnetCBOR.CBOR" } }, "visibility": "internal" } ], "id": 43713, "initialValue": { "arguments": [ { "expression": { "id": 43710, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43669, "src": "14319:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43711, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "14324:6:118", "memberName": "buffer", "nodeType": "MemberAccess", "referencedDeclaration": 42647, "src": "14319:11:118", "typeDescriptions": { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" } ], "id": 43709, "name": "fromBuffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42908, "src": "14308:10:118", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_Buffer_$40764_memory_ptr_$returns$_t_struct$_CBOR_$42658_memory_ptr_$", "typeString": "function (struct WitnetBuffer.Buffer memory) pure returns (struct WitnetCBOR.CBOR memory)" } }, "id": 43712, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "14308:23:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "nodeType": "VariableDeclarationStatement", "src": "14289:42:118" }, { "expression": { "id": 43720, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 43714, "name": "values", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43677, "src": "14342:6:118", "typeDescriptions": { "typeIdentifier": "t_array$_t_int32_$dyn_memory_ptr", "typeString": "int32[] memory" } }, "id": 43716, "indexExpression": { "id": 43715, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43700, "src": "14349:1:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "14342:9:118", "typeDescriptions": { "typeIdentifier": "t_int32", "typeString": "int32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "id": 43718, "name": "item", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43708, "src": "14366:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } ], "id": 43717, "name": "readFloat16", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43603, "src": "14354:11:118", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_CBOR_$42658_memory_ptr_$returns$_t_int32_$", "typeString": "function (struct WitnetCBOR.CBOR memory) pure returns (int32)" } }, "id": 43719, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "14354:17:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_int32", "typeString": "int32" } }, "src": "14342:29:118", "typeDescriptions": { "typeIdentifier": "t_int32", "typeString": "int32" } }, "id": 43721, "nodeType": "ExpressionStatement", "src": "14342:29:118" }, { "id": 43725, "nodeType": "UncheckedBlock", "src": "14382:39:118", "statements": [ { "expression": { "id": 43723, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "14405:4:118", "subExpression": { "id": 43722, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43700, "src": "14405:1:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "id": 43724, "nodeType": "ExpressionStatement", "src": "14405:4:118" } ] } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint64", "typeString": "uint64" }, "id": 43705, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 43703, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43700, "src": "14264:1:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "id": 43704, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43680, "src": "14268:6:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "src": "14264:10:118", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 43727, "initializationExpression": { "assignments": [ 43700 ], "declarations": [ { "constant": false, "id": 43700, "mutability": "mutable", "name": "i", "nameLocation": "14257:1:118", "nodeType": "VariableDeclaration", "scope": 43727, "src": "14250:8:118", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" }, "typeName": { "id": 43699, "name": "uint64", "nodeType": "ElementaryTypeName", "src": "14250:6:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "visibility": "internal" } ], "id": 43702, "initialValue": { "hexValue": "30", "id": 43701, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "14261:1:118", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "14250:12:118" }, "isSimpleCounterLoop": false, "nodeType": "ForStatement", "src": "14245:185:118" } ] } } ] }, "documentation": { "id": 43666, "nodeType": "StructuredDocumentation", "src": "13740:205:118", "text": "@notice Decode a `CBOR` structure into a native `int128[]` value whose inner values follow the same convention \n @notice as explained in `decodeFixed16`.\n @param cbor An instance of `CBOR`." }, "id": 43736, "implemented": true, "kind": "function", "modifiers": [ { "arguments": [ { "id": 43672, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43669, "src": "14029:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, { "id": 43673, "name": "MAJOR_TYPE_ARRAY", "nodeType": 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43668, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 43667, "name": "CBOR", "nameLocations": [ "13975:4:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42658, "src": "13975:4:118" }, "referencedDeclaration": 42658, "src": "13975:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_storage_ptr", "typeString": "struct WitnetCBOR.CBOR" } }, "visibility": "internal" } ], "src": "13974:18:118" }, "returnParameters": { "id": 43678, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 43677, "mutability": "mutable", "name": "values", "nameLocation": "14082:6:118", "nodeType": "VariableDeclaration", "scope": 43736, "src": "14067:21:118", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_int32_$dyn_memory_ptr", "typeString": "int32[]" }, "typeName": { "baseType": { "id": 43675, "name": "int32", "nodeType": "ElementaryTypeName", "src": "14067:5:118", "typeDescriptions": { 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The value represented by the input, as an `int128` value." }, "id": 43795, "implemented": true, "kind": "function", "modifiers": [], "name": "readInt", "nameLocation": "14702:7:118", "nodeType": "FunctionDefinition", "parameters": { "id": 43741, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 43740, "mutability": "mutable", "name": "cbor", "nameLocation": "14722:4:118", "nodeType": "VariableDeclaration", "scope": 43795, "src": "14710:16:118", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR" }, "typeName": { "id": 43739, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 43738, "name": "CBOR", "nameLocations": [ "14710:4:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42658, "src": "14710:4:118" }, "referencedDeclaration": 42658, "src": "14710:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_storage_ptr", 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"memberName": "len", "nodeType": "MemberAccess", "referencedDeclaration": 42655, "src": "16367:8:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "expression": { "id": 43883, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43870, "src": "16389:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43884, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "16394:6:118", "memberName": "buffer", "nodeType": "MemberAccess", "referencedDeclaration": 42647, "src": "16389:11:118", "typeDescriptions": { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" } }, { "expression": { "id": 43885, "name": "cbor", "nodeType": "Identifier", 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"Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43895, "src": "16813:5:118", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "hexValue": "74727565", "id": 43930, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "16821:4:118", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "src": "16813:12:118", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 43932, "nodeType": "ExpressionStatement", "src": "16813:12:118" } ] }, "id": 43934, "nodeType": "IfStatement", "src": "16634:203:118", "trueBody": { "id": 43928, "nodeType": "Block", "src": "16659:135:118", "statements": [ { "expression": { "id": 43926, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 43911, "name": "text", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43877, "src": "16672:4:118", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "arguments": [ { "id": 43916, "name": "text", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43877, "src": "16717:4:118", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, { "arguments": [ { "commonType": { "typeIdentifier": "t_uint64", "typeString": "uint64" }, "id": 43922, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 43920, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43900, "src": "16757:6:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "hexValue": "34", "id": 43921, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "16766:1:118", "typeDescriptions": { "typeIdentifier": "t_rational_4_by_1", "typeString": "int_const 4" }, "value": "4" }, "src": "16757:10:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint64", "typeString": "uint64" } ], "expression": { "expression": { "id": 43917, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43870, "src": "16736:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43918, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "16741:6:118", "memberName": "buffer", "nodeType": "MemberAccess", "referencedDeclaration": 42647, "src": "16736:11:118", "typeDescriptions": { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" } }, "id": 43919, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "16748:8:118", "memberName": "readText", "nodeType": "MemberAccess", "referencedDeclaration": 41668, "src": "16736:20:118", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_Buffer_$40764_memory_ptr_$_t_uint64_$returns$_t_bytes_memory_ptr_$attached_to$_t_struct$_Buffer_$40764_memory_ptr_$", "typeString": "function (struct WitnetBuffer.Buffer memory,uint64) pure returns (bytes memory)" } }, "id": 43923, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "16736:32:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "id": 43914, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967295, "src": "16686:3:118", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 43915, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberLocation": "16690:12:118", "memberName": "encodePacked", "nodeType": "MemberAccess", "src": "16686:16:118", "typeDescriptions": { "typeIdentifier": "t_function_abiencodepacked_pure$__$returns$_t_bytes_memory_ptr_$", "typeString": "function () pure returns (bytes memory)" } }, "id": 43924, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "16686:95:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 43913, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "16679:6:118", "typeDescriptions": { "typeIdentifier": "t_type$_t_string_storage_ptr_$", "typeString": "type(string storage pointer)" }, "typeName": { "id": 43912, "name": "string", "nodeType": "ElementaryTypeName", "src": "16679:6:118", "typeDescriptions": {} } }, "id": 43925, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "16679:103:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "src": "16672:110:118", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "id": 43927, "nodeType": "ExpressionStatement", "src": "16672:110:118" } ] } } ] }, "condition": { "id": 43898, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "16499:6:118", "subExpression": { "id": 43897, "name": "_done", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43895, "src": "16500:5:118", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 43936, "nodeType": "WhileStatement", "src": "16492:354:118" } ] } } ] }, "documentation": { "id": 43867, "nodeType": "StructuredDocumentation", "src": "16034:186:118", "text": "@notice Decode a `CBOR` structure into a native `string` value.\n @param cbor An instance of `CBOR`.\n @return text The value represented by the input, as a `string` value." }, "id": 43951, "implemented": true, "kind": "function", "modifiers": [ { "arguments": [ { "id": 43873, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43870, "src": "16298:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, { "id": 43874, "name": "MAJOR_TYPE_STRING", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42670, "src": "16304:17:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "id": 43875, "kind": "modifierInvocation", "modifierName": { "id": 43872, "name": "isMajorType", "nameLocations": [ "16286:11:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42737, "src": "16286:11:118" }, "nodeType": "ModifierInvocation", "src": "16286:36:118" } ], "name": "readString", "nameLocation": "16233:10:118", "nodeType": "FunctionDefinition", "parameters": { "id": 43871, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 43870, "mutability": "mutable", "name": "cbor", "nameLocation": "16256:4:118", "nodeType": "VariableDeclaration", "scope": 43951, "src": "16244:16:118", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR" }, "typeName": { "id": 43869, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 43868, "name": "CBOR", "nameLocations": [ "16244:4:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42658, "src": "16244:4:118" }, "referencedDeclaration": 42658, "src": "16244:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_storage_ptr", "typeString": "struct WitnetCBOR.CBOR" } }, "visibility": "internal" } ], "src": "16243:18:118" }, "returnParameters": { "id": 43878, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 43877, "mutability": "mutable", "name": "text", "nameLocation": "16351:4:118", "nodeType": "VariableDeclaration", "scope": 43951, "src": "16337:18:118", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 43876, "name": "string", "nodeType": "ElementaryTypeName", "src": "16337:6:118", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "16336:20:118" }, "scope": 44174, "src": "16224:702:118", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 44021, "nodeType": "Block", "src": "17275:406:118", "statements": [ { "assignments": [ 43966 ], "declarations": [ { "constant": false, "id": 43966, "mutability": "mutable", "name": "length", "nameLocation": "17287:6:118", "nodeType": "VariableDeclaration", "scope": 44021, "src": "17282:11:118", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 43965, "name": "uint", "nodeType": "ElementaryTypeName", "src": "17282:4:118", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 43973, "initialValue": { "arguments": [ { "expression": { "id": 43968, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43955, "src": "17307:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43969, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "17312:6:118", "memberName": "buffer", "nodeType": "MemberAccess", "referencedDeclaration": 42647, "src": "17307:11:118", "typeDescriptions": { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" } }, { "expression": { "id": 43970, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43955, "src": "17320:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43971, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "17325:21:118", "memberName": "additionalInformation", "nodeType": "MemberAccess", "referencedDeclaration": 42653, "src": "17320:26:118", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 43967, "name": "readLength", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43437, "src": "17296:10:118", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_Buffer_$40764_memory_ptr_$_t_uint8_$returns$_t_uint64_$", "typeString": "function (struct WitnetBuffer.Buffer memory,uint8) pure returns (uint64)" } }, "id": 43972, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "17296:51:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "nodeType": "VariableDeclarationStatement", "src": "17282:65:118" }, { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 43976, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 43974, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43966, "src": "17358:6:118", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "id": 43975, "name": "UINT64_MAX", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42696, "src": "17367:10:118", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "src": "17358:19:118", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 44019, "nodeType": "Block", "src": "17623:53:118", "statements": [ { "errorCall": { "arguments": [ { "id": 44016, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43966, "src": "17661:6:118", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 44015, "name": "InvalidLengthEncoding", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42702, "src": "17639:21:118", "typeDescriptions": { "typeIdentifier": "t_function_error_pure$_t_uint256_$returns$_t_error_$", "typeString": "function (uint256) pure returns (error)" } }, "id": 44017, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "17639:29:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_error", "typeString": "error" } }, "id": 44018, "nodeType": "RevertStatement", "src": "17632:36:118" } ] }, "id": 44020, "nodeType": "IfStatement", "src": "17354:322:118", "trueBody": { "id": 44014, "nodeType": "Block", "src": "17379:238:118", "statements": [ { "expression": { "id": 43983, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 43977, "name": "strings", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43963, "src": "17388:7:118", "typeDescriptions": { "typeIdentifier": "t_array$_t_string_memory_ptr_$dyn_memory_ptr", "typeString": "string memory[] memory" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "id": 43981, "name": "length", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43966, "src": "17411:6:118", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 43980, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "NewExpression", "src": "17398:12:118", "typeDescriptions": { "typeIdentifier": "t_function_objectcreation_pure$_t_uint256_$returns$_t_array$_t_string_memory_ptr_$dyn_memory_ptr_$", "typeString": "function (uint256) pure returns (string memory[] memory)" }, "typeName": { "baseType": { "id": 43978, "name": "string", "nodeType": "ElementaryTypeName", "src": "17402:6:118", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "id": 43979, "nodeType": "ArrayTypeName", "src": "17402:8:118", "typeDescriptions": { "typeIdentifier": "t_array$_t_string_storage_$dyn_storage_ptr", "typeString": "string[]" } } }, "id": 43982, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "17398:20:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_array$_t_string_memory_ptr_$dyn_memory_ptr", "typeString": "string memory[] memory" } }, "src": "17388:30:118", "typeDescriptions": { "typeIdentifier": "t_array$_t_string_memory_ptr_$dyn_memory_ptr", "typeString": "string memory[] memory" } }, "id": 43984, "nodeType": "ExpressionStatement", "src": "17388:30:118" }, { "body": { "id": 44012, "nodeType": "Block", "src": "17458:152:118", "statements": [ { "assignments": [ 43994 ], "declarations": [ { "constant": false, "id": 43994, "mutability": "mutable", "name": "item", "nameLocation": "17481:4:118", "nodeType": "VariableDeclaration", "scope": 44012, "src": "17469:16:118", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR" }, "typeName": { "id": 43993, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 43992, "name": "CBOR", "nameLocations": [ "17469:4:118" ], "nodeType": "IdentifierPath", "referencedDeclaration": 42658, "src": "17469:4:118" }, "referencedDeclaration": 42658, "src": "17469:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_storage_ptr", "typeString": "struct WitnetCBOR.CBOR" } }, "visibility": "internal" } ], "id": 43999, "initialValue": { "arguments": [ { "expression": { "id": 43996, "name": "cbor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43955, "src": "17499:4:118", "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "id": 43997, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "17504:6:118", "memberName": "buffer", "nodeType": "MemberAccess", "referencedDeclaration": 42647, "src": "17499:11:118", "typeDescriptions": { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Buffer_$40764_memory_ptr", "typeString": "struct WitnetBuffer.Buffer memory" } ], "id": 43995, "name": "fromBuffer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 42908, "src": "17488:10:118", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_Buffer_$40764_memory_ptr_$returns$_t_struct$_CBOR_$42658_memory_ptr_$", "typeString": "function (struct WitnetBuffer.Buffer memory) pure returns (struct WitnetCBOR.CBOR memory)" } }, "id": 43998, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "17488:23:118", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_CBOR_$42658_memory_ptr", "typeString": "struct WitnetCBOR.CBOR memory" } }, "nodeType": "VariableDeclarationStatement", "src": "17469:42:118" }, { "expression": { "id": 44006, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 44000, "name": "strings", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 43963, "src": "17522:7:118", "typeDescriptions": { "typeIdentifier": 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