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// SPDX-License-Identifier: Apache 2
pragma solidity >=0.8.8 <0.9.0;

import "wormhole-solidity-sdk/libraries/BytesParsing.sol";
import "./TrimmedAmount.sol";

library TransceiverStructs {
    using BytesParsing for bytes;
    using TrimmedAmountLib for TrimmedAmount;

    /// @notice Error thrown when the payload length exceeds the allowed maximum.
    /// @dev Selector 0xa3419691.
    /// @param size The size of the payload.
    error PayloadTooLong(uint256 size);

    /// @notice Error thrown when the prefix of an encoded message
    ///         does not match the expected value.
    /// @dev Selector 0x56d2569d.
    /// @param prefix The prefix that was found in the encoded message.
    error IncorrectPrefix(bytes4 prefix);

    /// @notice Error thrown when the transceiver instructions aren't
    ///         encoded with strictly increasing indices
    /// @dev Selector 0x0555a4b9.
    /// @param lastIndex Last parsed instruction index
    /// @param instructionIndex The instruction index that was unordered
    error UnorderedInstructions(uint256 lastIndex, uint256 instructionIndex);

    /// @notice Error thrown when a transceiver instruction index
    ///         is greater than the number of registered transceivers
    /// @dev We index from 0 so if providedIndex == numTransceivers then we're out-of-bounds too
    /// @dev Selector 0x689f5016.
    /// @param providedIndex The index specified in the instruction
    /// @param numTransceivers The number of registered transceivers
    error InvalidInstructionIndex(uint256 providedIndex, uint256 numTransceivers);

    /// @dev Prefix for all NativeTokenTransfer payloads
    ///      This is 0x99'N''T''T'
    bytes4 constant NTT_PREFIX = 0x994E5454;

    /// @dev Message emitted and received by the nttManager contract.
    ///      The wire format is as follows:
    ///      - id - 32 bytes
    ///      - sender - 32 bytes
    ///      - payloadLength - 2 bytes
    ///      - payload - `payloadLength` bytes
    struct NttManagerMessage {
        /// @notice unique message identifier
        /// @dev This is incrementally assigned on EVM chains, but this is not
        /// guaranteed on other runtimes.
        bytes32 id;
        /// @notice original message sender address.
        bytes32 sender;
        /// @notice payload that corresponds to the type.
        bytes payload;
    }

    function nttManagerMessageDigest(
        uint16 sourceChainId,
        NttManagerMessage memory m
    ) public pure returns (bytes32) {
        return keccak256(abi.encodePacked(sourceChainId, encodeNttManagerMessage(m)));
    }

    function encodeNttManagerMessage(NttManagerMessage memory m)
        public
        pure
        returns (bytes memory encoded)
    {
        if (m.payload.length > type(uint16).max) {
            revert PayloadTooLong(m.payload.length);
        }
        uint16 payloadLength = uint16(m.payload.length);
        return abi.encodePacked(m.id, m.sender, payloadLength, m.payload);
    }

    /// @notice Parse a NttManagerMessage.
    /// @param encoded The byte array corresponding to the encoded message
    /// @return nttManagerMessage The parsed NttManagerMessage struct.
    function parseNttManagerMessage(bytes memory encoded)
        public
        pure
        returns (NttManagerMessage memory nttManagerMessage)
    {
        uint256 offset = 0;
        (nttManagerMessage.id, offset) = encoded.asBytes32Unchecked(offset);
        (nttManagerMessage.sender, offset) = encoded.asBytes32Unchecked(offset);
        uint256 payloadLength;
        (payloadLength, offset) = encoded.asUint16Unchecked(offset);
        (nttManagerMessage.payload, offset) = encoded.sliceUnchecked(offset, payloadLength);
        encoded.checkLength(offset);
    }

    /// @dev Native Token Transfer payload.
    ///      The wire format is as follows:
    ///      - NTT_PREFIX - 4 bytes
    ///      - numDecimals - 1 byte
    ///      - amount - 8 bytes
    ///      - sourceToken - 32 bytes
    ///      - to - 32 bytes
    ///      - toChain - 2 bytes
    struct NativeTokenTransfer {
        /// @notice Amount being transferred (big-endian u64 and u8 for decimals)
        TrimmedAmount amount;
        /// @notice Source chain token address.
        bytes32 sourceToken;
        /// @notice Address of the recipient.
        bytes32 to;
        /// @notice Chain ID of the recipient
        uint16 toChain;
    }

    function encodeNativeTokenTransfer(NativeTokenTransfer memory m)
        public
        pure
        returns (bytes memory encoded)
    {
        // The `amount` and `decimals` fields are encoded in reverse order compared to how they are declared in the
        // `TrimmedAmount` type. This is consistent with the Rust NTT implementation.
        TrimmedAmount transferAmount = m.amount;
        return abi.encodePacked(
            NTT_PREFIX,
            transferAmount.getDecimals(),
            transferAmount.getAmount(),
            m.sourceToken,
            m.to,
            m.toChain
        );
    }

    /// @dev Parse a NativeTokenTransfer.
    /// @param encoded The byte array corresponding to the encoded message
    /// @return nativeTokenTransfer The parsed NativeTokenTransfer struct.
    function parseNativeTokenTransfer(bytes memory encoded)
        public
        pure
        returns (NativeTokenTransfer memory nativeTokenTransfer)
    {
        uint256 offset = 0;
        bytes4 prefix;
        (prefix, offset) = encoded.asBytes4Unchecked(offset);
        if (prefix != NTT_PREFIX) {
            revert IncorrectPrefix(prefix);
        }

        // The `amount` and `decimals` fields are parsed in reverse order compared to how they are declared in the
        // `TrimmedAmount` struct. This is consistent with the Rust NTT implementation.
        uint8 numDecimals;
        (numDecimals, offset) = encoded.asUint8Unchecked(offset);
        uint64 amount;
        (amount, offset) = encoded.asUint64Unchecked(offset);
        nativeTokenTransfer.amount = packTrimmedAmount(amount, numDecimals);

        (nativeTokenTransfer.sourceToken, offset) = encoded.asBytes32Unchecked(offset);
        (nativeTokenTransfer.to, offset) = encoded.asBytes32Unchecked(offset);
        (nativeTokenTransfer.toChain, offset) = encoded.asUint16Unchecked(offset);
        encoded.checkLength(offset);
    }

    /// @dev Message emitted by Transceiver implementations.
    ///      Each message includes an Transceiver-specified 4-byte prefix.
    ///      The wire format is as follows:
    ///      - prefix - 4 bytes
    ///      - sourceNttManagerAddress - 32 bytes
    ///      - recipientNttManagerAddress - 32 bytes
    ///      - nttManagerPayloadLength - 2 bytes
    ///      - nttManagerPayload - `nttManagerPayloadLength` bytes
    ///      - transceiverPayloadLength - 2 bytes
    ///      - transceiverPayload - `transceiverPayloadLength` bytes
    struct TransceiverMessage {
        /// @notice Address of the NttManager contract that emitted this message.
        bytes32 sourceNttManagerAddress;
        /// @notice Address of the NttManager contract that receives this message.
        bytes32 recipientNttManagerAddress;
        /// @notice Payload provided to the Transceiver contract by the NttManager contract.
        bytes nttManagerPayload;
        /// @notice Optional payload that the transceiver can encode and use for its own message passing purposes.
        bytes transceiverPayload;
    }

    // @notice Encodes an Transceiver message for communication between the
    //         NttManager and the Transceiver.
    // @param m The TransceiverMessage struct containing the message details.
    // @return encoded The byte array corresponding to the encoded message.
    // @custom:throw PayloadTooLong if the length of transceiverId, nttManagerPayload,
    //         or transceiverPayload exceeds the allowed maximum.
    function encodeTransceiverMessage(
        bytes4 prefix,
        TransceiverMessage memory m
    ) public pure returns (bytes memory encoded) {
        if (m.nttManagerPayload.length > type(uint16).max) {
            revert PayloadTooLong(m.nttManagerPayload.length);
        }
        uint16 nttManagerPayloadLength = uint16(m.nttManagerPayload.length);

        if (m.transceiverPayload.length > type(uint16).max) {
            revert PayloadTooLong(m.transceiverPayload.length);
        }
        uint16 transceiverPayloadLength = uint16(m.transceiverPayload.length);

        return abi.encodePacked(
            prefix,
            m.sourceNttManagerAddress,
            m.recipientNttManagerAddress,
            nttManagerPayloadLength,
            m.nttManagerPayload,
            transceiverPayloadLength,
            m.transceiverPayload
        );
    }

    function buildAndEncodeTransceiverMessage(
        bytes4 prefix,
        bytes32 sourceNttManagerAddress,
        bytes32 recipientNttManagerAddress,
        bytes memory nttManagerMessage,
        bytes memory transceiverPayload
    ) public pure returns (TransceiverMessage memory, bytes memory) {
        TransceiverMessage memory transceiverMessage = TransceiverMessage({
            sourceNttManagerAddress: sourceNttManagerAddress,
            recipientNttManagerAddress: recipientNttManagerAddress,
            nttManagerPayload: nttManagerMessage,
            transceiverPayload: transceiverPayload
        });
        bytes memory encoded = encodeTransceiverMessage(prefix, transceiverMessage);
        return (transceiverMessage, encoded);
    }

    /// @dev Parses an encoded message and extracts information into an TransceiverMessage struct.
    /// @param encoded The encoded bytes containing information about the TransceiverMessage.
    /// @return transceiverMessage The parsed TransceiverMessage struct.
    /// @custom:throw IncorrectPrefix if the prefix of the encoded message does not
    ///         match the expected prefix.
    function parseTransceiverMessage(
        bytes4 expectedPrefix,
        bytes memory encoded
    ) internal pure returns (TransceiverMessage memory transceiverMessage) {
        uint256 offset = 0;
        bytes4 prefix;

        (prefix, offset) = encoded.asBytes4Unchecked(offset);

        if (prefix != expectedPrefix) {
            revert IncorrectPrefix(prefix);
        }

        (transceiverMessage.sourceNttManagerAddress, offset) = encoded.asBytes32Unchecked(offset);
        (transceiverMessage.recipientNttManagerAddress, offset) = encoded.asBytes32Unchecked(offset);
        uint16 nttManagerPayloadLength;
        (nttManagerPayloadLength, offset) = encoded.asUint16Unchecked(offset);
        (transceiverMessage.nttManagerPayload, offset) =
            encoded.sliceUnchecked(offset, nttManagerPayloadLength);
        uint16 transceiverPayloadLength;
        (transceiverPayloadLength, offset) = encoded.asUint16Unchecked(offset);
        (transceiverMessage.transceiverPayload, offset) =
            encoded.sliceUnchecked(offset, transceiverPayloadLength);

        // Check if the entire byte array has been processed
        encoded.checkLength(offset);
    }

    /// @dev Parses the payload of an Transceiver message and returns
    ///      the parsed NttManagerMessage struct.
    /// @param expectedPrefix The prefix that should be encoded in the nttManager message.
    /// @param payload The payload sent across the wire.
    function parseTransceiverAndNttManagerMessage(
        bytes4 expectedPrefix,
        bytes memory payload
    ) public pure returns (TransceiverMessage memory, NttManagerMessage memory) {
        // parse the encoded message payload from the Transceiver
        TransceiverMessage memory parsedTransceiverMessage =
            parseTransceiverMessage(expectedPrefix, payload);

        // parse the encoded message payload from the NttManager
        NttManagerMessage memory parsedNttManagerMessage =
            parseNttManagerMessage(parsedTransceiverMessage.nttManagerPayload);

        return (parsedTransceiverMessage, parsedNttManagerMessage);
    }

    /// @dev Variable-length transceiver-specific instruction that can be passed by the caller to the nttManager.
    ///      The index field refers to the index of the registeredTransceiver that this instruction should be passed to.
    ///      The serialization format is:
    ///      - index - 1 byte
    ///      - payloadLength - 1 byte
    ///      - payload - `payloadLength` bytes
    struct TransceiverInstruction {
        uint8 index;
        bytes payload;
    }

    function encodeTransceiverInstruction(TransceiverInstruction memory instruction)
        public
        pure
        returns (bytes memory)
    {
        if (instruction.payload.length > type(uint8).max) {
            revert PayloadTooLong(instruction.payload.length);
        }
        uint8 payloadLength = uint8(instruction.payload.length);
        return abi.encodePacked(instruction.index, payloadLength, instruction.payload);
    }

    function parseTransceiverInstructionUnchecked(
        bytes memory encoded,
        uint256 offset
    ) public pure returns (TransceiverInstruction memory instruction, uint256 nextOffset) {
        (instruction.index, nextOffset) = encoded.asUint8Unchecked(offset);
        uint8 instructionLength;
        (instructionLength, nextOffset) = encoded.asUint8Unchecked(nextOffset);
        (instruction.payload, nextOffset) = encoded.sliceUnchecked(nextOffset, instructionLength);
    }

    function parseTransceiverInstructionChecked(bytes memory encoded)
        public
        pure
        returns (TransceiverInstruction memory instruction)
    {
        uint256 offset = 0;
        (instruction, offset) = parseTransceiverInstructionUnchecked(encoded, offset);
        encoded.checkLength(offset);
    }

    /// @dev Encode an array of multiple variable-length transceiver-specific instructions.
    ///      The serialization format is:
    ///      - instructionsLength - 1 byte
    ///      - `instructionsLength` number of serialized `TransceiverInstruction` types.
    function encodeTransceiverInstructions(TransceiverInstruction[] memory instructions)
        public
        pure
        returns (bytes memory)
    {
        if (instructions.length > type(uint8).max) {
            revert PayloadTooLong(instructions.length);
        }
        uint256 instructionsLength = instructions.length;

        bytes memory encoded;
        for (uint256 i = 0; i < instructionsLength; i++) {
            bytes memory innerEncoded = encodeTransceiverInstruction(instructions[i]);
            encoded = bytes.concat(encoded, innerEncoded);
        }
        return abi.encodePacked(uint8(instructionsLength), encoded);
    }

    function parseTransceiverInstructions(
        bytes memory encoded,
        uint256 numRegisteredTransceivers
    ) public pure returns (TransceiverInstruction[] memory) {
        uint256 offset = 0;
        uint256 instructionsLength;
        (instructionsLength, offset) = encoded.asUint8Unchecked(offset);

        // We allocate an array with the length of the number of registered transceivers
        // This gives us the flexibility to not have to pass instructions for transceivers that
        // don't need them
        TransceiverInstruction[] memory instructions =
            new TransceiverInstruction[](numRegisteredTransceivers);

        uint256 lastIndex = 0;
        for (uint256 i = 0; i < instructionsLength; i++) {
            TransceiverInstruction memory instruction;
            (instruction, offset) = parseTransceiverInstructionUnchecked(encoded, offset);

            uint8 instructionIndex = instruction.index;

            // The instructions passed in have to be strictly increasing in terms of transceiver index
            if (i != 0 && instructionIndex <= lastIndex) {
                revert UnorderedInstructions(lastIndex, instructionIndex);
            }

            // Instruction index is out of bounds
            if (instructionIndex >= numRegisteredTransceivers) {
                revert InvalidInstructionIndex(instructionIndex, numRegisteredTransceivers);
            }

            lastIndex = instructionIndex;

            instructions[instructionIndex] = instruction;
        }

        encoded.checkLength(offset);

        return instructions;
    }

    struct TransceiverInit {
        bytes4 transceiverIdentifier;
        bytes32 nttManagerAddress;
        uint8 nttManagerMode;
        bytes32 tokenAddress;
        uint8 tokenDecimals;
    }

    function encodeTransceiverInit(TransceiverInit memory init)
        public
        pure
        returns (bytes memory)
    {
        return abi.encodePacked(
            init.transceiverIdentifier,
            init.nttManagerAddress,
            init.nttManagerMode,
            init.tokenAddress,
            init.tokenDecimals
        );
    }

    function decodeTransceiverInit(bytes memory encoded)
        public
        pure
        returns (TransceiverInit memory init)
    {
        uint256 offset = 0;
        (init.transceiverIdentifier, offset) = encoded.asBytes4Unchecked(offset);
        (init.nttManagerAddress, offset) = encoded.asBytes32Unchecked(offset);
        (init.nttManagerMode, offset) = encoded.asUint8Unchecked(offset);
        (init.tokenAddress, offset) = encoded.asBytes32Unchecked(offset);
        (init.tokenDecimals, offset) = encoded.asUint8Unchecked(offset);
        encoded.checkLength(offset);
    }

    struct TransceiverRegistration {
        bytes4 transceiverIdentifier;
        uint16 transceiverChainId;
        bytes32 transceiverAddress;
    }

    function encodeTransceiverRegistration(TransceiverRegistration memory registration)
        public
        pure
        returns (bytes memory)
    {
        return abi.encodePacked(
            registration.transceiverIdentifier,
            registration.transceiverChainId,
            registration.transceiverAddress
        );
    }

    function decodeTransceiverRegistration(bytes memory encoded)
        public
        pure
        returns (TransceiverRegistration memory registration)
    {
        uint256 offset = 0;
        (registration.transceiverIdentifier, offset) = encoded.asBytes4Unchecked(offset);
        (registration.transceiverChainId, offset) = encoded.asUint16Unchecked(offset);
        (registration.transceiverAddress, offset) = encoded.asBytes32Unchecked(offset);
        encoded.checkLength(offset);
    }
}

// SPDX-License-Identifier: Apache 2
pragma solidity ^0.8.13;

library BytesParsing {
  uint256 private constant freeMemoryPtr = 0x40;
  uint256 private constant wordSize = 32;

  error OutOfBounds(uint256 offset, uint256 length);
  error LengthMismatch(uint256 encodedLength, uint256 expectedLength);
  error InvalidBoolVal(uint8 val);

  function checkBound(uint offset, uint length) internal pure {
    if (offset > length)
      revert OutOfBounds(offset, length);
  }

  function checkLength(bytes memory encoded, uint256 expected) internal pure {
    if (encoded.length != expected)
      revert LengthMismatch(encoded.length, expected);
  }

  function sliceUnchecked(
    bytes memory encoded,
    uint offset,
    uint length
  ) internal pure returns (bytes memory ret, uint nextOffset) {
    //bail early for degenerate case
    if (length == 0)
      return (new bytes(0), offset);

    assembly ("memory-safe") {
      nextOffset := add(offset, length)
      ret := mload(freeMemoryPtr)

      //Explanation on how we copy data here:
      //  The bytes type has the following layout in memory:
      //    [length: 32 bytes, data: length bytes]
      //  So if we allocate `bytes memory foo = new bytes(1);` then `foo` will be a pointer to 33
      //    bytes where the first 32 bytes contain the length and the last byte is the actual data.
      //  Since mload always loads 32 bytes of memory at once, we use our shift variable to align
      //    our reads so that our last read lines up exactly with the last 32 bytes of `encoded`.
      //  However this also means that if the length of `encoded` is not a multiple of 32 bytes, our
      //    first read will necessarily partly contain bytes from `encoded`'s 32 length bytes that
      //    will be written into the length part of our `ret` slice.
      //  We remedy this issue by writing the length of our `ret` slice at the end, thus
      //    overwritting those garbage bytes.
      let shift := and(length, 31) //equivalent to `mod(length, 32)` but 2 gas cheaper
      if iszero(shift) {
        shift := wordSize
      }

      let dest := add(ret, shift)
      let end := add(dest, length)
      for {
        let src := add(add(encoded, shift), offset)
      } lt(dest, end) {
        src := add(src, wordSize)
        dest := add(dest, wordSize)
      } {
        mstore(dest, mload(src))
      }

      mstore(ret, length)
      //When compiling with --via-ir then normally allocated memory (i.e. via new) will have 32 byte
      //  memory alignment and so we enforce the same memory alignment here.
      mstore(freeMemoryPtr, and(add(dest, 31), not(31)))
    }
  }

  function slice(
    bytes memory encoded,
    uint offset,
    uint length
  ) internal pure returns (bytes memory ret, uint nextOffset) {
    (ret, nextOffset) = sliceUnchecked(encoded, offset, length);
    checkBound(nextOffset, encoded.length);
  }

  function asAddressUnchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (address, uint) {
    (uint160 ret, uint nextOffset) = asUint160(encoded, offset);
    return (address(ret), nextOffset);
  }

  function asAddress(
    bytes memory encoded,
    uint offset
  ) internal pure returns (address ret, uint nextOffset) {
    (ret, nextOffset) = asAddressUnchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBoolUnchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bool, uint) {
    (uint8 val, uint nextOffset) = asUint8Unchecked(encoded, offset);
    if (val & 0xfe != 0)
      revert InvalidBoolVal(val);

    uint cleanedVal = uint(val);
    bool ret;
    //skip 2x iszero opcode
    assembly ("memory-safe") {
      ret := cleanedVal
    }
    return (ret, nextOffset);
  }

  function asBool(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bool ret, uint nextOffset) {
    (ret, nextOffset) = asBoolUnchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

/* -------------------------------------------------------------------------------------------------
Remaining library code below was auto-generated by via the following js/node code:

for (let bytes = 1; bytes <= 32; ++bytes) {
  const bits = bytes*8;
  console.log(
`function asUint${bits}Unchecked(
  bytes memory encoded,
  uint offset
) internal pure returns (uint${bits} ret, uint nextOffset) {
  assembly ("memory-safe") {
    nextOffset := add(offset, ${bytes})
    ret := mload(add(encoded, nextOffset))
  }
  return (ret, nextOffset);
}

function asUint${bits}(
  bytes memory encoded,
  uint offset
) internal pure returns (uint${bits} ret, uint nextOffset) {
  (ret, nextOffset) = asUint${bits}Unchecked(encoded, offset);
  checkBound(nextOffset, encoded.length);
}

function asBytes${bytes}Unchecked(
  bytes memory encoded,
  uint offset
) internal pure returns (bytes${bytes}, uint) {
  (uint${bits} ret, uint nextOffset) = asUint${bits}Unchecked(encoded, offset);
  return (bytes${bytes}(ret), nextOffset);
}

function asBytes${bytes}(
  bytes memory encoded,
  uint offset
) internal pure returns (bytes${bytes}, uint) {
  (uint${bits} ret, uint nextOffset) = asUint${bits}(encoded, offset);
  return (bytes${bytes}(ret), nextOffset);
}
`
  );
}
------------------------------------------------------------------------------------------------- */

  function asUint8Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint8 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 1)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint8(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint8 ret, uint nextOffset) {
    (ret, nextOffset) = asUint8Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes1Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes1, uint) {
    (uint8 ret, uint nextOffset) = asUint8Unchecked(encoded, offset);
    return (bytes1(ret), nextOffset);
  }

  function asBytes1(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes1, uint) {
    (uint8 ret, uint nextOffset) = asUint8(encoded, offset);
    return (bytes1(ret), nextOffset);
  }

  function asUint16Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint16 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 2)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint16(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint16 ret, uint nextOffset) {
    (ret, nextOffset) = asUint16Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes2Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes2, uint) {
    (uint16 ret, uint nextOffset) = asUint16Unchecked(encoded, offset);
    return (bytes2(ret), nextOffset);
  }

  function asBytes2(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes2, uint) {
    (uint16 ret, uint nextOffset) = asUint16(encoded, offset);
    return (bytes2(ret), nextOffset);
  }

  function asUint24Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint24 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 3)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint24(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint24 ret, uint nextOffset) {
    (ret, nextOffset) = asUint24Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes3Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes3, uint) {
    (uint24 ret, uint nextOffset) = asUint24Unchecked(encoded, offset);
    return (bytes3(ret), nextOffset);
  }

  function asBytes3(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes3, uint) {
    (uint24 ret, uint nextOffset) = asUint24(encoded, offset);
    return (bytes3(ret), nextOffset);
  }

  function asUint32Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint32 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 4)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint32(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint32 ret, uint nextOffset) {
    (ret, nextOffset) = asUint32Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes4Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes4, uint) {
    (uint32 ret, uint nextOffset) = asUint32Unchecked(encoded, offset);
    return (bytes4(ret), nextOffset);
  }

  function asBytes4(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes4, uint) {
    (uint32 ret, uint nextOffset) = asUint32(encoded, offset);
    return (bytes4(ret), nextOffset);
  }

  function asUint40Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint40 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 5)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint40(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint40 ret, uint nextOffset) {
    (ret, nextOffset) = asUint40Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes5Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes5, uint) {
    (uint40 ret, uint nextOffset) = asUint40Unchecked(encoded, offset);
    return (bytes5(ret), nextOffset);
  }

  function asBytes5(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes5, uint) {
    (uint40 ret, uint nextOffset) = asUint40(encoded, offset);
    return (bytes5(ret), nextOffset);
  }

  function asUint48Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint48 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 6)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint48(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint48 ret, uint nextOffset) {
    (ret, nextOffset) = asUint48Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes6Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes6, uint) {
    (uint48 ret, uint nextOffset) = asUint48Unchecked(encoded, offset);
    return (bytes6(ret), nextOffset);
  }

  function asBytes6(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes6, uint) {
    (uint48 ret, uint nextOffset) = asUint48(encoded, offset);
    return (bytes6(ret), nextOffset);
  }

  function asUint56Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint56 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 7)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint56(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint56 ret, uint nextOffset) {
    (ret, nextOffset) = asUint56Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes7Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes7, uint) {
    (uint56 ret, uint nextOffset) = asUint56Unchecked(encoded, offset);
    return (bytes7(ret), nextOffset);
  }

  function asBytes7(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes7, uint) {
    (uint56 ret, uint nextOffset) = asUint56(encoded, offset);
    return (bytes7(ret), nextOffset);
  }

  function asUint64Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint64 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 8)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint64(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint64 ret, uint nextOffset) {
    (ret, nextOffset) = asUint64Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes8Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes8, uint) {
    (uint64 ret, uint nextOffset) = asUint64Unchecked(encoded, offset);
    return (bytes8(ret), nextOffset);
  }

  function asBytes8(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes8, uint) {
    (uint64 ret, uint nextOffset) = asUint64(encoded, offset);
    return (bytes8(ret), nextOffset);
  }

  function asUint72Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint72 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 9)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint72(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint72 ret, uint nextOffset) {
    (ret, nextOffset) = asUint72Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes9Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes9, uint) {
    (uint72 ret, uint nextOffset) = asUint72Unchecked(encoded, offset);
    return (bytes9(ret), nextOffset);
  }

  function asBytes9(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes9, uint) {
    (uint72 ret, uint nextOffset) = asUint72(encoded, offset);
    return (bytes9(ret), nextOffset);
  }

  function asUint80Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint80 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 10)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint80(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint80 ret, uint nextOffset) {
    (ret, nextOffset) = asUint80Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes10Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes10, uint) {
    (uint80 ret, uint nextOffset) = asUint80Unchecked(encoded, offset);
    return (bytes10(ret), nextOffset);
  }

  function asBytes10(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes10, uint) {
    (uint80 ret, uint nextOffset) = asUint80(encoded, offset);
    return (bytes10(ret), nextOffset);
  }

  function asUint88Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint88 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 11)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint88(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint88 ret, uint nextOffset) {
    (ret, nextOffset) = asUint88Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes11Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes11, uint) {
    (uint88 ret, uint nextOffset) = asUint88Unchecked(encoded, offset);
    return (bytes11(ret), nextOffset);
  }

  function asBytes11(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes11, uint) {
    (uint88 ret, uint nextOffset) = asUint88(encoded, offset);
    return (bytes11(ret), nextOffset);
  }

  function asUint96Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint96 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 12)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint96(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint96 ret, uint nextOffset) {
    (ret, nextOffset) = asUint96Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes12Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes12, uint) {
    (uint96 ret, uint nextOffset) = asUint96Unchecked(encoded, offset);
    return (bytes12(ret), nextOffset);
  }

  function asBytes12(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes12, uint) {
    (uint96 ret, uint nextOffset) = asUint96(encoded, offset);
    return (bytes12(ret), nextOffset);
  }

  function asUint104Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint104 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 13)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint104(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint104 ret, uint nextOffset) {
    (ret, nextOffset) = asUint104Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes13Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes13, uint) {
    (uint104 ret, uint nextOffset) = asUint104Unchecked(encoded, offset);
    return (bytes13(ret), nextOffset);
  }

  function asBytes13(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes13, uint) {
    (uint104 ret, uint nextOffset) = asUint104(encoded, offset);
    return (bytes13(ret), nextOffset);
  }

  function asUint112Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint112 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 14)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint112(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint112 ret, uint nextOffset) {
    (ret, nextOffset) = asUint112Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes14Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes14, uint) {
    (uint112 ret, uint nextOffset) = asUint112Unchecked(encoded, offset);
    return (bytes14(ret), nextOffset);
  }

  function asBytes14(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes14, uint) {
    (uint112 ret, uint nextOffset) = asUint112(encoded, offset);
    return (bytes14(ret), nextOffset);
  }

  function asUint120Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint120 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 15)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint120(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint120 ret, uint nextOffset) {
    (ret, nextOffset) = asUint120Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes15Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes15, uint) {
    (uint120 ret, uint nextOffset) = asUint120Unchecked(encoded, offset);
    return (bytes15(ret), nextOffset);
  }

  function asBytes15(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes15, uint) {
    (uint120 ret, uint nextOffset) = asUint120(encoded, offset);
    return (bytes15(ret), nextOffset);
  }

  function asUint128Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint128 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 16)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint128(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint128 ret, uint nextOffset) {
    (ret, nextOffset) = asUint128Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes16Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes16, uint) {
    (uint128 ret, uint nextOffset) = asUint128Unchecked(encoded, offset);
    return (bytes16(ret), nextOffset);
  }

  function asBytes16(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes16, uint) {
    (uint128 ret, uint nextOffset) = asUint128(encoded, offset);
    return (bytes16(ret), nextOffset);
  }

  function asUint136Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint136 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 17)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint136(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint136 ret, uint nextOffset) {
    (ret, nextOffset) = asUint136Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes17Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes17, uint) {
    (uint136 ret, uint nextOffset) = asUint136Unchecked(encoded, offset);
    return (bytes17(ret), nextOffset);
  }

  function asBytes17(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes17, uint) {
    (uint136 ret, uint nextOffset) = asUint136(encoded, offset);
    return (bytes17(ret), nextOffset);
  }

  function asUint144Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint144 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 18)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint144(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint144 ret, uint nextOffset) {
    (ret, nextOffset) = asUint144Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes18Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes18, uint) {
    (uint144 ret, uint nextOffset) = asUint144Unchecked(encoded, offset);
    return (bytes18(ret), nextOffset);
  }

  function asBytes18(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes18, uint) {
    (uint144 ret, uint nextOffset) = asUint144(encoded, offset);
    return (bytes18(ret), nextOffset);
  }

  function asUint152Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint152 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 19)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint152(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint152 ret, uint nextOffset) {
    (ret, nextOffset) = asUint152Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes19Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes19, uint) {
    (uint152 ret, uint nextOffset) = asUint152Unchecked(encoded, offset);
    return (bytes19(ret), nextOffset);
  }

  function asBytes19(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes19, uint) {
    (uint152 ret, uint nextOffset) = asUint152(encoded, offset);
    return (bytes19(ret), nextOffset);
  }

  function asUint160Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint160 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 20)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint160(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint160 ret, uint nextOffset) {
    (ret, nextOffset) = asUint160Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes20Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes20, uint) {
    (uint160 ret, uint nextOffset) = asUint160Unchecked(encoded, offset);
    return (bytes20(ret), nextOffset);
  }

  function asBytes20(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes20, uint) {
    (uint160 ret, uint nextOffset) = asUint160(encoded, offset);
    return (bytes20(ret), nextOffset);
  }

  function asUint168Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint168 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 21)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint168(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint168 ret, uint nextOffset) {
    (ret, nextOffset) = asUint168Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes21Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes21, uint) {
    (uint168 ret, uint nextOffset) = asUint168Unchecked(encoded, offset);
    return (bytes21(ret), nextOffset);
  }

  function asBytes21(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes21, uint) {
    (uint168 ret, uint nextOffset) = asUint168(encoded, offset);
    return (bytes21(ret), nextOffset);
  }

  function asUint176Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint176 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 22)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint176(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint176 ret, uint nextOffset) {
    (ret, nextOffset) = asUint176Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes22Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes22, uint) {
    (uint176 ret, uint nextOffset) = asUint176Unchecked(encoded, offset);
    return (bytes22(ret), nextOffset);
  }

  function asBytes22(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes22, uint) {
    (uint176 ret, uint nextOffset) = asUint176(encoded, offset);
    return (bytes22(ret), nextOffset);
  }

  function asUint184Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint184 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 23)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint184(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint184 ret, uint nextOffset) {
    (ret, nextOffset) = asUint184Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes23Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes23, uint) {
    (uint184 ret, uint nextOffset) = asUint184Unchecked(encoded, offset);
    return (bytes23(ret), nextOffset);
  }

  function asBytes23(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes23, uint) {
    (uint184 ret, uint nextOffset) = asUint184(encoded, offset);
    return (bytes23(ret), nextOffset);
  }

  function asUint192Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint192 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 24)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint192(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint192 ret, uint nextOffset) {
    (ret, nextOffset) = asUint192Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes24Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes24, uint) {
    (uint192 ret, uint nextOffset) = asUint192Unchecked(encoded, offset);
    return (bytes24(ret), nextOffset);
  }

  function asBytes24(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes24, uint) {
    (uint192 ret, uint nextOffset) = asUint192(encoded, offset);
    return (bytes24(ret), nextOffset);
  }

  function asUint200Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint200 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 25)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint200(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint200 ret, uint nextOffset) {
    (ret, nextOffset) = asUint200Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes25Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes25, uint) {
    (uint200 ret, uint nextOffset) = asUint200Unchecked(encoded, offset);
    return (bytes25(ret), nextOffset);
  }

  function asBytes25(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes25, uint) {
    (uint200 ret, uint nextOffset) = asUint200(encoded, offset);
    return (bytes25(ret), nextOffset);
  }

  function asUint208Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint208 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 26)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint208(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint208 ret, uint nextOffset) {
    (ret, nextOffset) = asUint208Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes26Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes26, uint) {
    (uint208 ret, uint nextOffset) = asUint208Unchecked(encoded, offset);
    return (bytes26(ret), nextOffset);
  }

  function asBytes26(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes26, uint) {
    (uint208 ret, uint nextOffset) = asUint208(encoded, offset);
    return (bytes26(ret), nextOffset);
  }

  function asUint216Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint216 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 27)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint216(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint216 ret, uint nextOffset) {
    (ret, nextOffset) = asUint216Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes27Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes27, uint) {
    (uint216 ret, uint nextOffset) = asUint216Unchecked(encoded, offset);
    return (bytes27(ret), nextOffset);
  }

  function asBytes27(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes27, uint) {
    (uint216 ret, uint nextOffset) = asUint216(encoded, offset);
    return (bytes27(ret), nextOffset);
  }

  function asUint224Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint224 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 28)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint224(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint224 ret, uint nextOffset) {
    (ret, nextOffset) = asUint224Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes28Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes28, uint) {
    (uint224 ret, uint nextOffset) = asUint224Unchecked(encoded, offset);
    return (bytes28(ret), nextOffset);
  }

  function asBytes28(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes28, uint) {
    (uint224 ret, uint nextOffset) = asUint224(encoded, offset);
    return (bytes28(ret), nextOffset);
  }

  function asUint232Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint232 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 29)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint232(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint232 ret, uint nextOffset) {
    (ret, nextOffset) = asUint232Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes29Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes29, uint) {
    (uint232 ret, uint nextOffset) = asUint232Unchecked(encoded, offset);
    return (bytes29(ret), nextOffset);
  }

  function asBytes29(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes29, uint) {
    (uint232 ret, uint nextOffset) = asUint232(encoded, offset);
    return (bytes29(ret), nextOffset);
  }

  function asUint240Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint240 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 30)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint240(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint240 ret, uint nextOffset) {
    (ret, nextOffset) = asUint240Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes30Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes30, uint) {
    (uint240 ret, uint nextOffset) = asUint240Unchecked(encoded, offset);
    return (bytes30(ret), nextOffset);
  }

  function asBytes30(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes30, uint) {
    (uint240 ret, uint nextOffset) = asUint240(encoded, offset);
    return (bytes30(ret), nextOffset);
  }

  function asUint248Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint248 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 31)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint248(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint248 ret, uint nextOffset) {
    (ret, nextOffset) = asUint248Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes31Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes31, uint) {
    (uint248 ret, uint nextOffset) = asUint248Unchecked(encoded, offset);
    return (bytes31(ret), nextOffset);
  }

  function asBytes31(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes31, uint) {
    (uint248 ret, uint nextOffset) = asUint248(encoded, offset);
    return (bytes31(ret), nextOffset);
  }

  function asUint256Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint256 ret, uint nextOffset) {
    assembly ("memory-safe") {
      nextOffset := add(offset, 32)
      ret := mload(add(encoded, nextOffset))
    }
    return (ret, nextOffset);
  }

  function asUint256(
    bytes memory encoded,
    uint offset
  ) internal pure returns (uint256 ret, uint nextOffset) {
    (ret, nextOffset) = asUint256Unchecked(encoded, offset);
    checkBound(nextOffset, encoded.length);
  }

  function asBytes32Unchecked(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes32, uint) {
    (uint256 ret, uint nextOffset) = asUint256Unchecked(encoded, offset);
    return (bytes32(ret), nextOffset);
  }

  function asBytes32(
    bytes memory encoded,
    uint offset
  ) internal pure returns (bytes32, uint) {
    (uint256 ret, uint nextOffset) = asUint256(encoded, offset);
    return (bytes32(ret), nextOffset);
  }
}

// SPDX-License-Identifier: Apache 2
/// @dev TrimmedAmount is a utility library to handle token amounts with different decimals
pragma solidity >=0.8.8 <0.9.0;

import "openzeppelin-contracts/contracts/utils/math/SafeCast.sol";

/// @dev TrimmedAmount is a bit-packed representation of a token amount and its decimals.
/// @dev 64 bits: [0 - 64] amount
/// @dev 8 bits: [64 - 72] decimals
type TrimmedAmount is uint72;

using {gt as >, lt as <, sub as -, add as +, eq as ==, min, unwrap} for TrimmedAmount global;

function minUint8(uint8 a, uint8 b) pure returns (uint8) {
    return a < b ? a : b;
}

/// @notice Error when the decimals of two TrimmedAmounts are not equal
/// @dev Selector. b9cdb6c2
/// @param decimals the decimals of the first TrimmedAmount
/// @param decimalsOther the decimals of the second TrimmedAmount
error NumberOfDecimalsNotEqual(uint8 decimals, uint8 decimalsOther);

uint8 constant TRIMMED_DECIMALS = 8;

function unwrap(TrimmedAmount a) pure returns (uint72) {
    return TrimmedAmount.unwrap(a);
}

function packTrimmedAmount(uint64 amt, uint8 decimals) pure returns (TrimmedAmount) {
    // cast to u72 first to prevent overflow
    uint72 amount = uint72(amt);
    uint72 dec = uint72(decimals);

    // shift the amount to the left 8 bits
    amount <<= 8;

    return TrimmedAmount.wrap(amount | dec);
}

function eq(TrimmedAmount a, TrimmedAmount b) pure returns (bool) {
    return TrimmedAmountLib.getAmount(a) == TrimmedAmountLib.getAmount(b)
        && TrimmedAmountLib.getDecimals(a) == TrimmedAmountLib.getDecimals(b);
}

function checkDecimals(TrimmedAmount a, TrimmedAmount b) pure {
    uint8 aDecimals = TrimmedAmountLib.getDecimals(a);
    uint8 bDecimals = TrimmedAmountLib.getDecimals(b);
    if (aDecimals != bDecimals) {
        revert NumberOfDecimalsNotEqual(aDecimals, bDecimals);
    }
}

function gt(TrimmedAmount a, TrimmedAmount b) pure returns (bool) {
    checkDecimals(a, b);

    return TrimmedAmountLib.getAmount(a) > TrimmedAmountLib.getAmount(b);
}

function lt(TrimmedAmount a, TrimmedAmount b) pure returns (bool) {
    checkDecimals(a, b);

    return TrimmedAmountLib.getAmount(a) < TrimmedAmountLib.getAmount(b);
}

function sub(TrimmedAmount a, TrimmedAmount b) pure returns (TrimmedAmount) {
    checkDecimals(a, b);

    return packTrimmedAmount(
        TrimmedAmountLib.getAmount(a) - TrimmedAmountLib.getAmount(b),
        TrimmedAmountLib.getDecimals(a)
    );
}

function add(TrimmedAmount a, TrimmedAmount b) pure returns (TrimmedAmount) {
    checkDecimals(a, b);

    return packTrimmedAmount(
        TrimmedAmountLib.getAmount(a) + TrimmedAmountLib.getAmount(b),
        TrimmedAmountLib.getDecimals(b)
    );
}

function min(TrimmedAmount a, TrimmedAmount b) pure returns (TrimmedAmount) {
    checkDecimals(a, b);

    return TrimmedAmountLib.getAmount(a) < TrimmedAmountLib.getAmount(b) ? a : b;
}

library TrimmedAmountLib {
    /// @notice Error when the amount to be trimmed is greater than u64MAX.
    /// @dev Selector 0x08083b2a.
    /// @param amount The amount to be trimmed.
    error AmountTooLarge(uint256 amount);

    function getAmount(TrimmedAmount a) internal pure returns (uint64) {
        // Extract the raw integer value from TrimmedAmount
        uint72 rawValue = TrimmedAmount.unwrap(a);

        // Right shift to keep only the higher 64 bits
        uint64 result = uint64(rawValue >> 8);
        return result;
    }

    function getDecimals(TrimmedAmount a) internal pure returns (uint8) {
        return uint8(TrimmedAmount.unwrap(a) & 0xFF);
    }

    function isNull(TrimmedAmount a) internal pure returns (bool) {
        return (getAmount(a) == 0 && getDecimals(a) == 0);
    }

    function saturatingAdd(
        TrimmedAmount a,
        TrimmedAmount b
    ) internal pure returns (TrimmedAmount) {
        checkDecimals(a, b);

        uint256 saturatedSum;
        uint64 aAmount = getAmount(a);
        uint64 bAmount = getAmount(b);
        unchecked {
            saturatedSum = uint256(aAmount) + uint256(bAmount);
            saturatedSum = saturatedSum > type(uint64).max ? type(uint64).max : saturatedSum;
        }

        return packTrimmedAmount(SafeCast.toUint64(saturatedSum), getDecimals(a));
    }

    /// @dev scale the amount from original decimals to target decimals (base 10)
    function scale(
        uint256 amount,
        uint8 fromDecimals,
        uint8 toDecimals
    ) internal pure returns (uint256) {
        if (fromDecimals == toDecimals) {
            return amount;
        }

        if (fromDecimals > toDecimals) {
            return amount / (10 ** (fromDecimals - toDecimals));
        } else {
            return amount * (10 ** (toDecimals - fromDecimals));
        }
    }

    function shift(TrimmedAmount amount, uint8 toDecimals) internal pure returns (TrimmedAmount) {
        uint8 actualToDecimals = minUint8(TRIMMED_DECIMALS, toDecimals);
        return packTrimmedAmount(
            SafeCast.toUint64(scale(getAmount(amount), getDecimals(amount), actualToDecimals)),
            actualToDecimals
        );
    }

    function max(uint8 decimals) internal pure returns (TrimmedAmount) {
        uint8 actualDecimals = minUint8(TRIMMED_DECIMALS, decimals);
        return packTrimmedAmount(type(uint64).max, actualDecimals);
    }

    /// @dev trim the amount to target decimals.
    ///      The actual resulting decimals is the minimum of TRIMMED_DECIMALS,
    ///      fromDecimals, and toDecimals. This ensures that no dust is
    ///      destroyed on either side of the transfer.
    /// @param amt the amount to be trimmed
    /// @param fromDecimals the original decimals of the amount
    /// @param toDecimals the target decimals of the amount
    /// @return TrimmedAmount uint72 value type bit-packed with decimals
    function trim(
        uint256 amt,
        uint8 fromDecimals,
        uint8 toDecimals
    ) internal pure returns (TrimmedAmount) {
        uint8 actualToDecimals = minUint8(minUint8(TRIMMED_DECIMALS, fromDecimals), toDecimals);
        uint256 amountScaled = scale(amt, fromDecimals, actualToDecimals);

        // NOTE: amt after trimming must fit into uint64 (that's the point of
        // trimming, as Solana only supports uint64 for token amts)
        return packTrimmedAmount(SafeCast.toUint64(amountScaled), actualToDecimals);
    }

    function untrim(TrimmedAmount amt, uint8 toDecimals) internal pure returns (uint256) {
        uint256 deNorm = uint256(getAmount(amt));
        uint8 fromDecimals = getDecimals(amt);
        uint256 amountScaled = scale(deNorm, fromDecimals, toDecimals);

        return amountScaled;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.

pragma solidity ^0.8.0;

/**
 * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow
 * checks.
 *
 * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
 * easily result in undesired exploitation or bugs, since developers usually
 * assume that overflows raise errors. `SafeCast` restores this intuition by
 * reverting the transaction when such an operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 *
 * Can be combined with {SafeMath} and {SignedSafeMath} to extend it to smaller types, by performing
 * all math on `uint256` and `int256` and then downcasting.
 */
library SafeCast {
    /**
     * @dev Returns the downcasted uint248 from uint256, reverting on
     * overflow (when the input is greater than largest uint248).
     *
     * Counterpart to Solidity's `uint248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     *
     * _Available since v4.7._
     */
    function toUint248(uint256 value) internal pure returns (uint248) {
        require(value <= type(uint248).max, "SafeCast: value doesn't fit in 248 bits");
        return uint248(value);
    }

    /**
     * @dev Returns the downcasted uint240 from uint256, reverting on
     * overflow (when the input is greater than largest uint240).
     *
     * Counterpart to Solidity's `uint240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     *
     * _Available since v4.7._
     */
    function toUint240(uint256 value) internal pure returns (uint240) {
        require(value <= type(uint240).max, "SafeCast: value doesn't fit in 240 bits");
        return uint240(value);
    }

    /**
     * @dev Returns the downcasted uint232 from uint256, reverting on
     * overflow (when the input is greater than largest uint232).
     *
     * Counterpart to Solidity's `uint232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     *
     * _Available since v4.7._
     */
    function toUint232(uint256 value) internal pure returns (uint232) {
        require(value <= type(uint232).max, "SafeCast: value doesn't fit in 232 bits");
        return uint232(value);
    }

    /**
     * @dev Returns the downcasted uint224 from uint256, reverting on
     * overflow (when the input is greater than largest uint224).
     *
     * Counterpart to Solidity's `uint224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     *
     * _Available since v4.2._
     */
    function toUint224(uint256 value) internal pure returns (uint224) {
        require(value <= type(uint224).max, "SafeCast: value doesn't fit in 224 bits");
        return uint224(value);
    }

    /**
     * @dev Returns the downcasted uint216 from uint256, reverting on
     * overflow (when the input is greater than largest uint216).
     *
     * Counterpart to Solidity's `uint216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     *
     * _Available since v4.7._
     */
    function toUint216(uint256 value) internal pure returns (uint216) {
        require(value <= type(uint216).max, "SafeCast: value doesn't fit in 216 bits");
        return uint216(value);
    }

    /**
     * @dev Returns the downcasted uint208 from uint256, reverting on
     * overflow (when the input is greater than largest uint208).
     *
     * Counterpart to Solidity's `uint208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     *
     * _Available since v4.7._
     */
    function toUint208(uint256 value) internal pure returns (uint208) {
        require(value <= type(uint208).max, "SafeCast: value doesn't fit in 208 bits");
        return uint208(value);
    }

    /**
     * @dev Returns the downcasted uint200 from uint256, reverting on
     * overflow (when the input is greater than largest uint200).
     *
     * Counterpart to Solidity's `uint200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     *
     * _Available since v4.7._
     */
    function toUint200(uint256 value) internal pure returns (uint200) {
        require(value <= type(uint200).max, "SafeCast: value doesn't fit in 200 bits");
        return uint200(value);
    }

    /**
     * @dev Returns the downcasted uint192 from uint256, reverting on
     * overflow (when the input is greater than largest uint192).
     *
     * Counterpart to Solidity's `uint192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     *
     * _Available since v4.7._
     */
    function toUint192(uint256 value) internal pure returns (uint192) {
        require(value <= type(uint192).max, "SafeCast: value doesn't fit in 192 bits");
        return uint192(value);
    }

    /**
     * @dev Returns the downcasted uint184 from uint256, reverting on
     * overflow (when the input is greater than largest uint184).
     *
     * Counterpart to Solidity's `uint184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     *
     * _Available since v4.7._
     */
    function toUint184(uint256 value) internal pure returns (uint184) {
        require(value <= type(uint184).max, "SafeCast: value doesn't fit in 184 bits");
        return uint184(value);
    }

    /**
     * @dev Returns the downcasted uint176 from uint256, reverting on
     * overflow (when the input is greater than largest uint176).
     *
     * Counterpart to Solidity's `uint176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     *
     * _Available since v4.7._
     */
    function toUint176(uint256 value) internal pure returns (uint176) {
        require(value <= type(uint176).max, "SafeCast: value doesn't fit in 176 bits");
        return uint176(value);
    }

    /**
     * @dev Returns the downcasted uint168 from uint256, reverting on
     * overflow (when the input is greater than largest uint168).
     *
     * Counterpart to Solidity's `uint168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     *
     * _Available since v4.7._
     */
    function toUint168(uint256 value) internal pure returns (uint168) {
        require(value <= type(uint168).max, "SafeCast: value doesn't fit in 168 bits");
        return uint168(value);
    }

    /**
     * @dev Returns the downcasted uint160 from uint256, reverting on
     * overflow (when the input is greater than largest uint160).
     *
     * Counterpart to Solidity's `uint160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     *
     * _Available since v4.7._
     */
    function toUint160(uint256 value) internal pure returns (uint160) {
        require(value <= type(uint160).max, "SafeCast: value doesn't fit in 160 bits");
        return uint160(value);
    }

    /**
     * @dev Returns the downcasted uint152 from uint256, reverting on
     * overflow (when the input is greater than largest uint152).
     *
     * Counterpart to Solidity's `uint152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     *
     * _Available since v4.7._
     */
    function toUint152(uint256 value) internal pure returns (uint152) {
        require(value <= type(uint152).max, "SafeCast: value doesn't fit in 152 bits");
        return uint152(value);
    }

    /**
     * @dev Returns the downcasted uint144 from uint256, reverting on
     * overflow (when the input is greater than largest uint144).
     *
     * Counterpart to Solidity's `uint144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     *
     * _Available since v4.7._
     */
    function toUint144(uint256 value) internal pure returns (uint144) {
        require(value <= type(uint144).max, "SafeCast: value doesn't fit in 144 bits");
        return uint144(value);
    }

    /**
     * @dev Returns the downcasted uint136 from uint256, reverting on
     * overflow (when the input is greater than largest uint136).
     *
     * Counterpart to Solidity's `uint136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     *
     * _Available since v4.7._
     */
    function toUint136(uint256 value) internal pure returns (uint136) {
        require(value <= type(uint136).max, "SafeCast: value doesn't fit in 136 bits");
        return uint136(value);
    }

    /**
     * @dev Returns the downcasted uint128 from uint256, reverting on
     * overflow (when the input is greater than largest uint128).
     *
     * Counterpart to Solidity's `uint128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     *
     * _Available since v2.5._
     */
    function toUint128(uint256 value) internal pure returns (uint128) {
        require(value <= type(uint128).max, "SafeCast: value doesn't fit in 128 bits");
        return uint128(value);
    }

    /**
     * @dev Returns the downcasted uint120 from uint256, reverting on
     * overflow (when the input is greater than largest uint120).
     *
     * Counterpart to Solidity's `uint120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     *
     * _Available since v4.7._
     */
    function toUint120(uint256 value) internal pure returns (uint120) {
        require(value <= type(uint120).max, "SafeCast: value doesn't fit in 120 bits");
        return uint120(value);
    }

    /**
     * @dev Returns the downcasted uint112 from uint256, reverting on
     * overflow (when the input is greater than largest uint112).
     *
     * Counterpart to Solidity's `uint112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     *
     * _Available since v4.7._
     */
    function toUint112(uint256 value) internal pure returns (uint112) {
        require(value <= type(uint112).max, "SafeCast: value doesn't fit in 112 bits");
        return uint112(value);
    }

    /**
     * @dev Returns the downcasted uint104 from uint256, reverting on
     * overflow (when the input is greater than largest uint104).
     *
     * Counterpart to Solidity's `uint104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     *
     * _Available since v4.7._
     */
    function toUint104(uint256 value) internal pure returns (uint104) {
        require(value <= type(uint104).max, "SafeCast: value doesn't fit in 104 bits");
        return uint104(value);
    }

    /**
     * @dev Returns the downcasted uint96 from uint256, reverting on
     * overflow (when the input is greater than largest uint96).
     *
     * Counterpart to Solidity's `uint96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     *
     * _Available since v4.2._
     */
    function toUint96(uint256 value) internal pure returns (uint96) {
        require(value <= type(uint96).max, "SafeCast: value doesn't fit in 96 bits");
        return uint96(value);
    }

    /**
     * @dev Returns the downcasted uint88 from uint256, reverting on
     * overflow (when the input is greater than largest uint88).
     *
     * Counterpart to Solidity's `uint88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     *
     * _Available since v4.7._
     */
    function toUint88(uint256 value) internal pure returns (uint88) {
        require(value <= type(uint88).max, "SafeCast: value doesn't fit in 88 bits");
        return uint88(value);
    }

    /**
     * @dev Returns the downcasted uint80 from uint256, reverting on
     * overflow (when the input is greater than largest uint80).
     *
     * Counterpart to Solidity's `uint80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     *
     * _Available since v4.7._
     */
    function toUint80(uint256 value) internal pure returns (uint80) {
        require(value <= type(uint80).max, "SafeCast: value doesn't fit in 80 bits");
        return uint80(value);
    }

    /**
     * @dev Returns the downcasted uint72 from uint256, reverting on
     * overflow (when the input is greater than largest uint72).
     *
     * Counterpart to Solidity's `uint72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     *
     * _Available since v4.7._
     */
    function toUint72(uint256 value) internal pure returns (uint72) {
        require(value <= type(uint72).max, "SafeCast: value doesn't fit in 72 bits");
        return uint72(value);
    }

    /**
     * @dev Returns the downcasted uint64 from uint256, reverting on
     * overflow (when the input is greater than largest uint64).
     *
     * Counterpart to Solidity's `uint64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     *
     * _Available since v2.5._
     */
    function toUint64(uint256 value) internal pure returns (uint64) {
        require(value <= type(uint64).max, "SafeCast: value doesn't fit in 64 bits");
        return uint64(value);
    }

    /**
     * @dev Returns the downcasted uint56 from uint256, reverting on
     * overflow (when the input is greater than largest uint56).
     *
     * Counterpart to Solidity's `uint56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     *
     * _Available since v4.7._
     */
    function toUint56(uint256 value) internal pure returns (uint56) {
        require(value <= type(uint56).max, "SafeCast: value doesn't fit in 56 bits");
        return uint56(value);
    }

    /**
     * @dev Returns the downcasted uint48 from uint256, reverting on
     * overflow (when the input is greater than largest uint48).
     *
     * Counterpart to Solidity's `uint48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     *
     * _Available since v4.7._
     */
    function toUint48(uint256 value) internal pure returns (uint48) {
        require(value <= type(uint48).max, "SafeCast: value doesn't fit in 48 bits");
        return uint48(value);
    }

    /**
     * @dev Returns the downcasted uint40 from uint256, reverting on
     * overflow (when the input is greater than largest uint40).
     *
     * Counterpart to Solidity's `uint40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     *
     * _Available since v4.7._
     */
    function toUint40(uint256 value) internal pure returns (uint40) {
        require(value <= type(uint40).max, "SafeCast: value doesn't fit in 40 bits");
        return uint40(value);
    }

    /**
     * @dev Returns the downcasted uint32 from uint256, reverting on
     * overflow (when the input is greater than largest uint32).
     *
     * Counterpart to Solidity's `uint32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     *
     * _Available since v2.5._
     */
    function toUint32(uint256 value) internal pure returns (uint32) {
        require(value <= type(uint32).max, "SafeCast: value doesn't fit in 32 bits");
        return uint32(value);
    }

    /**
     * @dev Returns the downcasted uint24 from uint256, reverting on
     * overflow (when the input is greater than largest uint24).
     *
     * Counterpart to Solidity's `uint24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     *
     * _Available since v4.7._
     */
    function toUint24(uint256 value) internal pure returns (uint24) {
        require(value <= type(uint24).max, "SafeCast: value doesn't fit in 24 bits");
        return uint24(value);
    }

    /**
     * @dev Returns the downcasted uint16 from uint256, reverting on
     * overflow (when the input is greater than largest uint16).
     *
     * Counterpart to Solidity's `uint16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     *
     * _Available since v2.5._
     */
    function toUint16(uint256 value) internal pure returns (uint16) {
        require(value <= type(uint16).max, "SafeCast: value doesn't fit in 16 bits");
        return uint16(value);
    }

    /**
     * @dev Returns the downcasted uint8 from uint256, reverting on
     * overflow (when the input is greater than largest uint8).
     *
     * Counterpart to Solidity's `uint8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     *
     * _Available since v2.5._
     */
    function toUint8(uint256 value) internal pure returns (uint8) {
        require(value <= type(uint8).max, "SafeCast: value doesn't fit in 8 bits");
        return uint8(value);
    }

    /**
     * @dev Converts a signed int256 into an unsigned uint256.
     *
     * Requirements:
     *
     * - input must be greater than or equal to 0.
     *
     * _Available since v3.0._
     */
    function toUint256(int256 value) internal pure returns (uint256) {
        require(value >= 0, "SafeCast: value must be positive");
        return uint256(value);
    }

    /**
     * @dev Returns the downcasted int248 from int256, reverting on
     * overflow (when the input is less than smallest int248 or
     * greater than largest int248).
     *
     * Counterpart to Solidity's `int248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     *
     * _Available since v4.7._
     */
    function toInt248(int256 value) internal pure returns (int248 downcasted) {
        downcasted = int248(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 248 bits");
    }

    /**
     * @dev Returns the downcasted int240 from int256, reverting on
     * overflow (when the input is less than smallest int240 or
     * greater than largest int240).
     *
     * Counterpart to Solidity's `int240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     *
     * _Available since v4.7._
     */
    function toInt240(int256 value) internal pure returns (int240 downcasted) {
        downcasted = int240(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 240 bits");
    }

    /**
     * @dev Returns the downcasted int232 from int256, reverting on
     * overflow (when the input is less than smallest int232 or
     * greater than largest int232).
     *
     * Counterpart to Solidity's `int232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     *
     * _Available since v4.7._
     */
    function toInt232(int256 value) internal pure returns (int232 downcasted) {
        downcasted = int232(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 232 bits");
    }

    /**
     * @dev Returns the downcasted int224 from int256, reverting on
     * overflow (when the input is less than smallest int224 or
     * greater than largest int224).
     *
     * Counterpart to Solidity's `int224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     *
     * _Available since v4.7._
     */
    function toInt224(int256 value) internal pure returns (int224 downcasted) {
        downcasted = int224(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 224 bits");
    }

    /**
     * @dev Returns the downcasted int216 from int256, reverting on
     * overflow (when the input is less than smallest int216 or
     * greater than largest int216).
     *
     * Counterpart to Solidity's `int216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     *
     * _Available since v4.7._
     */
    function toInt216(int256 value) internal pure returns (int216 downcasted) {
        downcasted = int216(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 216 bits");
    }

    /**
     * @dev Returns the downcasted int208 from int256, reverting on
     * overflow (when the input is less than smallest int208 or
     * greater than largest int208).
     *
     * Counterpart to Solidity's `int208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     *
     * _Available since v4.7._
     */
    function toInt208(int256 value) internal pure returns (int208 downcasted) {
        downcasted = int208(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 208 bits");
    }

    /**
     * @dev Returns the downcasted int200 from int256, reverting on
     * overflow (when the input is less than smallest int200 or
     * greater than largest int200).
     *
     * Counterpart to Solidity's `int200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     *
     * _Available since v4.7._
     */
    function toInt200(int256 value) internal pure returns (int200 downcasted) {
        downcasted = int200(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 200 bits");
    }

    /**
     * @dev Returns the downcasted int192 from int256, reverting on
     * overflow (when the input is less than smallest int192 or
     * greater than largest int192).
     *
     * Counterpart to Solidity's `int192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     *
     * _Available since v4.7._
     */
    function toInt192(int256 value) internal pure returns (int192 downcasted) {
        downcasted = int192(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 192 bits");
    }

    /**
     * @dev Returns the downcasted int184 from int256, reverting on
     * overflow (when the input is less than smallest int184 or
     * greater than largest int184).
     *
     * Counterpart to Solidity's `int184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     *
     * _Available since v4.7._
     */
    function toInt184(int256 value) internal pure returns (int184 downcasted) {
        downcasted = int184(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 184 bits");
    }

    /**
     * @dev Returns the downcasted int176 from int256, reverting on
     * overflow (when the input is less than smallest int176 or
     * greater than largest int176).
     *
     * Counterpart to Solidity's `int176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     *
     * _Available since v4.7._
     */
    function toInt176(int256 value) internal pure returns (int176 downcasted) {
        downcasted = int176(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 176 bits");
    }

    /**
     * @dev Returns the downcasted int168 from int256, reverting on
     * overflow (when the input is less than smallest int168 or
     * greater than largest int168).
     *
     * Counterpart to Solidity's `int168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     *
     * _Available since v4.7._
     */
    function toInt168(int256 value) internal pure returns (int168 downcasted) {
        downcasted = int168(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 168 bits");
    }

    /**
     * @dev Returns the downcasted int160 from int256, reverting on
     * overflow (when the input is less than smallest int160 or
     * greater than largest int160).
     *
     * Counterpart to Solidity's `int160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     *
     * _Available since v4.7._
     */
    function toInt160(int256 value) internal pure returns (int160 downcasted) {
        downcasted = int160(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 160 bits");
    }

    /**
     * @dev Returns the downcasted int152 from int256, reverting on
     * overflow (when the input is less than smallest int152 or
     * greater than largest int152).
     *
     * Counterpart to Solidity's `int152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     *
     * _Available since v4.7._
     */
    function toInt152(int256 value) internal pure returns (int152 downcasted) {
        downcasted = int152(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 152 bits");
    }

    /**
     * @dev Returns the downcasted int144 from int256, reverting on
     * overflow (when the input is less than smallest int144 or
     * greater than largest int144).
     *
     * Counterpart to Solidity's `int144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     *
     * _Available since v4.7._
     */
    function toInt144(int256 value) internal pure returns (int144 downcasted) {
        downcasted = int144(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 144 bits");
    }

    /**
     * @dev Returns the downcasted int136 from int256, reverting on
     * overflow (when the input is less than smallest int136 or
     * greater than largest int136).
     *
     * Counterpart to Solidity's `int136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     *
     * _Available since v4.7._
     */
    function toInt136(int256 value) internal pure returns (int136 downcasted) {
        downcasted = int136(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 136 bits");
    }

    /**
     * @dev Returns the downcasted int128 from int256, reverting on
     * overflow (when the input is less than smallest int128 or
     * greater than largest int128).
     *
     * Counterpart to Solidity's `int128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     *
     * _Available since v3.1._
     */
    function toInt128(int256 value) internal pure returns (int128 downcasted) {
        downcasted = int128(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 128 bits");
    }

    /**
     * @dev Returns the downcasted int120 from int256, reverting on
     * overflow (when the input is less than smallest int120 or
     * greater than largest int120).
     *
     * Counterpart to Solidity's `int120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     *
     * _Available since v4.7._
     */
    function toInt120(int256 value) internal pure returns (int120 downcasted) {
        downcasted = int120(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 120 bits");
    }

    /**
     * @dev Returns the downcasted int112 from int256, reverting on
     * overflow (when the input is less than smallest int112 or
     * greater than largest int112).
     *
     * Counterpart to Solidity's `int112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     *
     * _Available since v4.7._
     */
    function toInt112(int256 value) internal pure returns (int112 downcasted) {
        downcasted = int112(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 112 bits");
    }

    /**
     * @dev Returns the downcasted int104 from int256, reverting on
     * overflow (when the input is less than smallest int104 or
     * greater than largest int104).
     *
     * Counterpart to Solidity's `int104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     *
     * _Available since v4.7._
     */
    function toInt104(int256 value) internal pure returns (int104 downcasted) {
        downcasted = int104(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 104 bits");
    }

    /**
     * @dev Returns the downcasted int96 from int256, reverting on
     * overflow (when the input is less than smallest int96 or
     * greater than largest int96).
     *
     * Counterpart to Solidity's `int96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     *
     * _Available since v4.7._
     */
    function toInt96(int256 value) internal pure returns (int96 downcasted) {
        downcasted = int96(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 96 bits");
    }

    /**
     * @dev Returns the downcasted int88 from int256, reverting on
     * overflow (when the input is less than smallest int88 or
     * greater than largest int88).
     *
     * Counterpart to Solidity's `int88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     *
     * _Available since v4.7._
     */
    function toInt88(int256 value) internal pure returns (int88 downcasted) {
        downcasted = int88(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 88 bits");
    }

    /**
     * @dev Returns the downcasted int80 from int256, reverting on
     * overflow (when the input is less than smallest int80 or
     * greater than largest int80).
     *
     * Counterpart to Solidity's `int80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     *
     * _Available since v4.7._
     */
    function toInt80(int256 value) internal pure returns (int80 downcasted) {
        downcasted = int80(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 80 bits");
    }

    /**
     * @dev Returns the downcasted int72 from int256, reverting on
     * overflow (when the input is less than smallest int72 or
     * greater than largest int72).
     *
     * Counterpart to Solidity's `int72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     *
     * _Available since v4.7._
     */
    function toInt72(int256 value) internal pure returns (int72 downcasted) {
        downcasted = int72(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 72 bits");
    }

    /**
     * @dev Returns the downcasted int64 from int256, reverting on
     * overflow (when the input is less than smallest int64 or
     * greater than largest int64).
     *
     * Counterpart to Solidity's `int64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     *
     * _Available since v3.1._
     */
    function toInt64(int256 value) internal pure returns (int64 downcasted) {
        downcasted = int64(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 64 bits");
    }

    /**
     * @dev Returns the downcasted int56 from int256, reverting on
     * overflow (when the input is less than smallest int56 or
     * greater than largest int56).
     *
     * Counterpart to Solidity's `int56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     *
     * _Available since v4.7._
     */
    function toInt56(int256 value) internal pure returns (int56 downcasted) {
        downcasted = int56(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 56 bits");
    }

    /**
     * @dev Returns the downcasted int48 from int256, reverting on
     * overflow (when the input is less than smallest int48 or
     * greater than largest int48).
     *
     * Counterpart to Solidity's `int48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     *
     * _Available since v4.7._
     */
    function toInt48(int256 value) internal pure returns (int48 downcasted) {
        downcasted = int48(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 48 bits");
    }

    /**
     * @dev Returns the downcasted int40 from int256, reverting on
     * overflow (when the input is less than smallest int40 or
     * greater than largest int40).
     *
     * Counterpart to Solidity's `int40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     *
     * _Available since v4.7._
     */
    function toInt40(int256 value) internal pure returns (int40 downcasted) {
        downcasted = int40(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 40 bits");
    }

    /**
     * @dev Returns the downcasted int32 from int256, reverting on
     * overflow (when the input is less than smallest int32 or
     * greater than largest int32).
     *
     * Counterpart to Solidity's `int32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     *
     * _Available since v3.1._
     */
    function toInt32(int256 value) internal pure returns (int32 downcasted) {
        downcasted = int32(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 32 bits");
    }

    /**
     * @dev Returns the downcasted int24 from int256, reverting on
     * overflow (when the input is less than smallest int24 or
     * greater than largest int24).
     *
     * Counterpart to Solidity's `int24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     *
     * _Available since v4.7._
     */
    function toInt24(int256 value) internal pure returns (int24 downcasted) {
        downcasted = int24(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 24 bits");
    }

    /**
     * @dev Returns the downcasted int16 from int256, reverting on
     * overflow (when the input is less than smallest int16 or
     * greater than largest int16).
     *
     * Counterpart to Solidity's `int16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     *
     * _Available since v3.1._
     */
    function toInt16(int256 value) internal pure returns (int16 downcasted) {
        downcasted = int16(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 16 bits");
    }

    /**
     * @dev Returns the downcasted int8 from int256, reverting on
     * overflow (when the input is less than smallest int8 or
     * greater than largest int8).
     *
     * Counterpart to Solidity's `int8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     *
     * _Available since v3.1._
     */
    function toInt8(int256 value) internal pure returns (int8 downcasted) {
        downcasted = int8(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 8 bits");
    }

    /**
     * @dev Converts an unsigned uint256 into a signed int256.
     *
     * Requirements:
     *
     * - input must be less than or equal to maxInt256.
     *
     * _Available since v3.0._
     */
    function toInt256(uint256 value) internal pure returns (int256) {
        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
        require(value <= uint256(type(int256).max), "SafeCast: value doesn't fit in an int256");
        return int256(value);
    }
}

{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "wormhole-solidity-sdk/=lib/wormhole-solidity-sdk/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "viaIR": true,
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"bytes4","name":"prefix","type":"bytes4"}],"name":"IncorrectPrefix","type":"error"},{"inputs":[{"internalType":"uint256","name":"providedIndex","type":"uint256"},{"internalType":"uint256","name":"numTransceivers","type":"uint256"}],"name":"InvalidInstructionIndex","type":"error"},{"inputs":[{"internalType":"uint256","name":"encodedLength","type":"uint256"},{"internalType":"uint256","name":"expectedLength","type":"uint256"}],"name":"LengthMismatch","type":"error"},{"inputs":[{"internalType":"uint256","name":"size","type":"uint256"}],"name":"PayloadTooLong","type":"error"},{"inputs":[{"internalType":"uint256","name":"lastIndex","type":"uint256"},{"internalType":"uint256","name":"instructionIndex","type":"uint256"}],"name":"UnorderedInstructions","type":"error"},{"inputs":[{"internalType":"bytes4","name":"prefix","type":"bytes4"},{"internalType":"bytes32","name":"sourceNttManagerAddress","type":"bytes32"},{"internalType":"bytes32","name":"recipientNttManagerAddress","type":"bytes32"},{"internalType":"bytes","name":"nttManagerMessage","type":"bytes"},{"internalType":"bytes","name":"transceiverPayload","type":"bytes"}],"name":"buildAndEncodeTransceiverMessage","outputs":[{"components":[{"internalType":"bytes32","name":"sourceNttManagerAddress","type":"bytes32"},{"internalType":"bytes32","name":"recipientNttManagerAddress","type":"bytes32"},{"internalType":"bytes","name":"nttManagerPayload","type":"bytes"},{"internalType":"bytes","name":"transceiverPayload","type":"bytes"}],"internalType":"struct TransceiverStructs.TransceiverMessage","name":"","type":"tuple"},{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes","name":"encoded","type":"bytes"}],"name":"decodeTransceiverInit","outputs":[{"components":[{"internalType":"bytes4","name":"transceiverIdentifier","type":"bytes4"},{"internalType":"bytes32","name":"nttManagerAddress","type":"bytes32"},{"internalType":"uint8","name":"nttManagerMode","type":"uint8"},{"internalType":"bytes32","name":"tokenAddress","type":"bytes32"},{"internalType":"uint8","name":"tokenDecimals","type":"uint8"}],"internalType":"struct TransceiverStructs.TransceiverInit","name":"init","type":"tuple"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes","name":"encoded","type":"bytes"}],"name":"decodeTransceiverRegistration","outputs":[{"components":[{"internalType":"bytes4","name":"transceiverIdentifier","type":"bytes4"},{"internalType":"uint16","name":"transceiverChainId","type":"uint16"},{"internalType":"bytes32","name":"transceiverAddress","type":"bytes32"}],"internalType":"struct TransceiverStructs.TransceiverRegistration","name":"registration","type":"tuple"}],"stateMutability":"pure","type":"function"},{"inputs":[{"components":[{"internalType":"TrimmedAmount","name":"amount","type":"uint72"},{"internalType":"bytes32","name":"sourceToken","type":"bytes32"},{"internalType":"bytes32","name":"to","type":"bytes32"},{"internalType":"uint16","name":"toChain","type":"uint16"}],"internalType":"struct TransceiverStructs.NativeTokenTransfer","name":"m","type":"tuple"}],"name":"encodeNativeTokenTransfer","outputs":[{"internalType":"bytes","name":"encoded","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[{"components":[{"internalType":"bytes32","name":"id","type":"bytes32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"bytes","name":"payload","type":"bytes"}],"internalType":"struct TransceiverStructs.NttManagerMessage","name":"m","type":"tuple"}],"name":"encodeNttManagerMessage","outputs":[{"internalType":"bytes","name":"encoded","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[{"components":[{"internalType":"bytes4","name":"transceiverIdentifier","type":"bytes4"},{"internalType":"bytes32","name":"nttManagerAddress","type":"bytes32"},{"internalType":"uint8","name":"nttManagerMode","type":"uint8"},{"internalType":"bytes32","name":"tokenAddress","type":"bytes32"},{"internalType":"uint8","name":"tokenDecimals","type":"uint8"}],"internalType":"struct TransceiverStructs.TransceiverInit","name":"init","type":"tuple"}],"name":"encodeTransceiverInit","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[{"components":[{"internalType":"uint8","name":"index","type":"uint8"},{"internalType":"bytes","name":"payload","type":"bytes"}],"internalType":"struct TransceiverStructs.TransceiverInstruction","name":"instruction","type":"tuple"}],"name":"encodeTransceiverInstruction","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[{"components":[{"internalType":"uint8","name":"index","type":"uint8"},{"internalType":"bytes","name":"payload","type":"bytes"}],"internalType":"struct TransceiverStructs.TransceiverInstruction[]","name":"instructions","type":"tuple[]"}],"name":"encodeTransceiverInstructions","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes4","name":"prefix","type":"bytes4"},{"components":[{"internalType":"bytes32","name":"sourceNttManagerAddress","type":"bytes32"},{"internalType":"bytes32","name":"recipientNttManagerAddress","type":"bytes32"},{"internalType":"bytes","name":"nttManagerPayload","type":"bytes"},{"internalType":"bytes","name":"transceiverPayload","type":"bytes"}],"internalType":"struct TransceiverStructs.TransceiverMessage","name":"m","type":"tuple"}],"name":"encodeTransceiverMessage","outputs":[{"internalType":"bytes","name":"encoded","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[{"components":[{"internalType":"bytes4","name":"transceiverIdentifier","type":"bytes4"},{"internalType":"uint16","name":"transceiverChainId","type":"uint16"},{"internalType":"bytes32","name":"transceiverAddress","type":"bytes32"}],"internalType":"struct TransceiverStructs.TransceiverRegistration","name":"registration","type":"tuple"}],"name":"encodeTransceiverRegistration","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint16","name":"sourceChainId","type":"uint16"},{"components":[{"internalType":"bytes32","name":"id","type":"bytes32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"bytes","name":"payload","type":"bytes"}],"internalType":"struct TransceiverStructs.NttManagerMessage","name":"m","type":"tuple"}],"name":"nttManagerMessageDigest","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes","name":"encoded","type":"bytes"}],"name":"parseNativeTokenTransfer","outputs":[{"components":[{"internalType":"TrimmedAmount","name":"amount","type":"uint72"},{"internalType":"bytes32","name":"sourceToken","type":"bytes32"},{"internalType":"bytes32","name":"to","type":"bytes32"},{"internalType":"uint16","name":"toChain","type":"uint16"}],"internalType":"struct TransceiverStructs.NativeTokenTransfer","name":"nativeTokenTransfer","type":"tuple"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes","name":"encoded","type":"bytes"}],"name":"parseNttManagerMessage","outputs":[{"components":[{"internalType":"bytes32","name":"id","type":"bytes32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"bytes","name":"payload","type":"bytes"}],"internalType":"struct TransceiverStructs.NttManagerMessage","name":"nttManagerMessage","type":"tuple"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes4","name":"expectedPrefix","type":"bytes4"},{"internalType":"bytes","name":"payload","type":"bytes"}],"name":"parseTransceiverAndNttManagerMessage","outputs":[{"components":[{"internalType":"bytes32","name":"sourceNttManagerAddress","type":"bytes32"},{"internalType":"bytes32","name":"recipientNttManagerAddress","type":"bytes32"},{"internalType":"bytes","name":"nttManagerPayload","type":"bytes"},{"internalType":"bytes","name":"transceiverPayload","type":"bytes"}],"internalType":"struct TransceiverStructs.TransceiverMessage","name":"","type":"tuple"},{"components":[{"internalType":"bytes32","name":"id","type":"bytes32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"bytes","name":"payload","type":"bytes"}],"internalType":"struct TransceiverStructs.NttManagerMessage","name":"","type":"tuple"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes","name":"encoded","type":"bytes"}],"name":"parseTransceiverInstructionChecked","outputs":[{"components":[{"internalType":"uint8","name":"index","type":"uint8"},{"internalType":"bytes","name":"payload","type":"bytes"}],"internalType":"struct TransceiverStructs.TransceiverInstruction","name":"instruction","type":"tuple"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes","name":"encoded","type":"bytes"},{"internalType":"uint256","name":"offset","type":"uint256"}],"name":"parseTransceiverInstructionUnchecked","outputs":[{"components":[{"internalType":"uint8","name":"index","type":"uint8"},{"internalType":"bytes","name":"payload","type":"bytes"}],"internalType":"struct TransceiverStructs.TransceiverInstruction","name":"instruction","type":"tuple"},{"internalType":"uint256","name":"nextOffset","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes","name":"encoded","type":"bytes"},{"internalType":"uint256","name":"numRegisteredTransceivers","type":"uint256"}],"name":"parseTransceiverInstructions","outputs":[{"components":[{"internalType":"uint8","name":"index","type":"uint8"},{"internalType":"bytes","name":"payload","type":"bytes"}],"internalType":"struct TransceiverStructs.TransceiverInstruction[]","name":"","type":"tuple[]"}],"stateMutability":"pure","type":"function"}]

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