private void CleanChain(Hash irreversibleBlockHash, long irreversibleBlockHeight)
{
_taskQueueManager.Enqueue(async() =>
{
// Clean BlockStateSet
var discardedBlockHashes = _chainBlockLinkService.GetCachedChainBlockLinks()
.Where(b => b.Height <= irreversibleBlockHeight).Select(b => b.BlockHash).ToList();
await _blockchainStateService.RemoveBlockStateSetsAsync(discardedBlockHashes);
// Clean chain branch
var chain = await _blockchainService.GetChainAsync();
var discardedBranch = await _blockchainService.GetDiscardedBranchAsync(chain);
_taskQueueManager.Enqueue(
async() =>
{
if (discardedBranch.BranchKeys.Count > 0 || discardedBranch.NotLinkedKeys.Count > 0)
{
await _blockchainService.CleanChainBranchAsync(discardedBranch);
}
await _forkCacheService.MergeAndCleanForkCacheAsync(irreversibleBlockHash, irreversibleBlockHeight);
},
KernelConstants.UpdateChainQueueName);
// Clean transaction block index cache
await _transactionBlockIndexService.CleanTransactionBlockIndexCacheAsync(irreversibleBlockHeight);
}, KernelConstants.ChainCleaningQueueName);
}
public Task HandleEventAsync(NewIrreversibleBlockFoundEvent eventData)
{
_taskQueueManager.Enqueue(async() =>
{
await _blockchainStateService.MergeBlockStateAsync(eventData.BlockHeight,
eventData.BlockHash);
}, KernelConstants.MergeBlockStateQueueName);
_taskQueueManager.Enqueue(async() =>
{
// Clean chain branch
var chain = await _blockchainService.GetChainAsync();
var discardedBranch = await _blockchainService.GetDiscardedBranchAsync(chain);
if (discardedBranch.BranchKeys.Count > 0 || discardedBranch.NotLinkedKeys.Count > 0)
{
_taskQueueManager.Enqueue(
async() => { await _blockchainService.CleanChainBranchAsync(discardedBranch); },
KernelConstants.UpdateChainQueueName);
}
// Clean transaction block index cache
await _transactionBlockIndexService.CleanTransactionBlockIndexCacheAsync(eventData.BlockHeight);
}, KernelConstants.ChainCleaningQueueName);
return(Task.CompletedTask);
}