Add Resource To Token

addResourceToToken.sol

pragma solidity ^0.8.15;

function _addResourceToToken(
    uint256 tokenId,
    uint64 resourceId,
    uint64 overwrites
) internal {
    if (_tokenResources[tokenId][resourceId])
        revert RMRKResourceAlreadyExists();

    if (bytes(_resources[resourceId]).length == 0)
        revert RMRKNoResourceMatchingId();

    if (_pendingResources[tokenId].length >= 128)
        revert RMRKMaxPendingResourcesReached();

    _tokenResources[tokenId][resourceId] = true;

    _pendingResources[tokenId].push(resourceId);

    if (overwrites != uint64(0)) {
        _resourceOverwrites[tokenId][resourceId] = overwrites;
        emit ResourceOverwriteProposed(tokenId, resourceId, overwrites);
    }

    emit ResourceAddedToToken(tokenId, resourceId);
}