/// <inheritdoc/>
public override BlockDigest?GetBlockDigest(HashDigest <SHA256> blockHash)
{
if (_blockCache.TryGetValue(blockHash, out BlockDigest cachedDigest))
{
return(cachedDigest);
}
byte[] key = BlockKey(blockHash);
if (!(_blockIndexDb.Get(key) is byte[] blockDbNameBytes))
{
return(null);
}
_rwBlockLock.EnterReadLock();
try
{
string blockDbName = RocksDBStoreBitConverter.GetString(blockDbNameBytes);
if (!_blockDbCache.TryGetValue(blockDbName, out RocksDb blockDb))
{
blockDb = RocksDBUtils.OpenRocksDb(_options, BlockDbPath(blockDbName));
_blockDbCache.AddOrUpdate(blockDbName, blockDb);
}
byte[] blockBytes = blockDb.Get(key);
BlockDigest blockDigest = BlockDigest.Deserialize(blockBytes);
_blockCache.AddOrUpdate(blockHash, blockDigest);
return(blockDigest);
}
finally
{
_rwBlockLock.ExitReadLock();
}
}
/// <inheritdoc/>
public override BlockDigest?GetBlockDigest(HashDigest <SHA256> blockHash)
{
if (_blockCache.TryGetValue(blockHash, out BlockDigest cachedDigest))
{
return(cachedDigest);
}
byte[] key = BlockKey(blockHash);
byte[] bytes = _blockDb.Get(key);
if (bytes is null)
{
return(null);
}
BlockDigest blockDigest = BlockDigest.Deserialize(bytes);
_blockCache.AddOrUpdate(blockHash, blockDigest);
return(blockDigest);
}