MultichainClaims.sol

// SPDX-License-Identifier: MIT
pragma solidity 0.8.30;

import { Component } from "./Components.sol";

struct MultichainClaim {
    bytes allocatorData; // Authorization from the allocator.
    bytes sponsorSignature; // Authorization from the sponsor.
    address sponsor; // The account to source the tokens from.
    uint256 nonce; // A parameter to enforce replay protection, scoped to allocator.
    uint256 expires; // The time at which the claim expires.
    bytes32 witness; // Hash of the witness data.
    string witnessTypestring; // Witness typestring appended to existing typestring.
    uint256 id; // The token ID of the ERC6909 token to allocate.
    uint256 allocatedAmount; // The original allocated amount of ERC6909 tokens.
    Component[] claimants; // The claim recipients and amounts; specified by the arbiter.
    bytes32[] additionalChains; // The element hashes from additional chains.
}

struct ExogenousMultichainClaim {
    bytes allocatorData; // Authorization from the allocator.
    bytes sponsorSignature; // Authorization from the sponsor.
    address sponsor; // The account to source the tokens from.
    uint256 nonce; // A parameter to enforce replay protection, scoped to allocator.
    uint256 expires; // The time at which the claim expires.
    bytes32 witness; // Hash of the witness data.
    string witnessTypestring; // Witness typestring appended to existing typestring.
    uint256 id; // The token ID of the ERC6909 token to allocate.
    uint256 allocatedAmount; // The original allocated amount of ERC6909 tokens.
    Component[] claimants; // The claim recipients and amounts; specified by the arbiter.
    bytes32[] additionalChains; // The element hashes from additional chains.
    uint256 chainIndex; // The index after which to insert the current element hash.
    uint256 notarizedChainId; // The chain id used to sign the multichain claim.
}

library MultichainClaimsLib {
    /**
     * @notice Returns the raw calldata pointer to the multichain claim.
     * @param claim The multichain claim to get the raw pointer of.
     * @return rawClaimPtr The raw pointer to the multichain claim.
     */
    function asRawPtr(MultichainClaim calldata claim) internal pure returns (uint256 rawClaimPtr) {
        assembly {
            rawClaimPtr := claim
        }
    }

    /**
     * @notice Returns the raw calldata pointer to the exogenous multichain claim.
     * @param claim The exogenous multichain claim to get the raw pointer of.
     * @return rawClaimPtr The raw pointer to the exogenous multichain claim.
     */
    function asRawPtr(ExogenousMultichainClaim calldata claim) internal pure returns (uint256 rawClaimPtr) {
        assembly {
            rawClaimPtr := claim
        }
    }
}