/// <summary>
/// Try take element from cached queue.
/// </summary>
/// <param name="height">Height of block info needed</param>
/// <param name="crossChainBlockEntity"></param>
/// <param name="isCacheSizeLimited">Use <see cref="CrossChainConstants.ChainCacheEntityCapacity"/> as cache count threshold if true.</param>
/// <returns></returns>
public bool TryTake(long height, out ICrossChainBlockEntity crossChainBlockEntity, bool isCacheSizeLimited)
{
// clear outdated data
if (!_cache.TryGetValue(height, out crossChainBlockEntity))
{
return(false);
}
var lastQueuedHeight = _targetHeight - 1;
return(!isCacheSizeLimited || lastQueuedHeight >= height + CrossChainConstants.DefaultBlockCacheEntityCount);
}
public bool TryAdd(ICrossChainBlockEntity crossChainBlockEntity)
{
if (crossChainBlockEntity.Height != TargetChainHeight())
{
return(false);
}
var res = ValidateBlockCacheEntity(crossChainBlockEntity) &&
_cache.TryAdd(crossChainBlockEntity.Height, crossChainBlockEntity);
if (res)
{
_targetHeight = crossChainBlockEntity.Height + 1;
}
return(res);
}
public bool TryAddBlockCacheEntity(ICrossChainBlockEntity crossChainBlockEntity)
{
if (crossChainBlockEntity == null)
{
throw new ArgumentNullException(nameof(crossChainBlockEntity));
}
if (!_crossChainCacheEntityProvider.TryGetChainCacheEntity(crossChainBlockEntity.ChainId, out var chainCacheEntity))
{
return(false);
}
var res = chainCacheEntity.TryAdd(crossChainBlockEntity);
Logger.LogDebug(
$"Cached height {crossChainBlockEntity.Height} from chain {ChainHelper.ConvertChainIdToBase58(crossChainBlockEntity.ChainId)}, {res}");
return(res);
}
private bool ValidateBlockCacheEntity(ICrossChainBlockEntity crossChainBlockEntity)
{
return(crossChainBlockEntity.Height >= AElfConstants.GenesisBlockHeight &&
crossChainBlockEntity.ChainId == _chainId &&
crossChainBlockEntity.TransactionStatusMerkleTreeRoot != null);
}
