public TxReceipt[] Get(Block block)
{
if (block.ReceiptsRoot == Keccak.EmptyTreeHash)
{
return(Array.Empty <TxReceipt>());
}
var receiptsData = _blocksDb.GetSpan(block.Hash);
try
{
if (receiptsData != null)
{
return(DecodeArray(receiptsData));
}
else
{
// didn't bring performance uplift that was expected
// var data = _database.MultiGet(block.Transactions.Select(t => t.Hash));
// return data.Select(kvp => DeserializeObsolete(new Keccak(kvp.Key), kvp.Value)).ToArray();
TxReceipt[] result = new TxReceipt[block.Transactions.Length];
for (int i = 0; i < block.Transactions.Length; i++)
{
result[i] = FindReceiptObsolete(block.Transactions[i].Hash);
}
return(result);
}
}
finally
{
_blocksDb.DangerousReleaseMemory(receiptsData);
}
}
/// <summary>
///
/// </summary>
/// <param name="db"></param>
/// <param name="key"></param>
/// <returns>Can return null or empty Span on missing key</returns>
/// <exception cref="InvalidOperationException"></exception>
public static Span <byte> GetSpan(this IDbWithSpan db, Keccak key)
{
#if DEBUG
if (key == Keccak.OfAnEmptyString)
{
throw new InvalidOperationException();
}
#endif
return(db.GetSpan(key.Bytes));
}
public TxReceipt[] Get(Block block)
{
if (block.ReceiptsRoot == Keccak.EmptyTreeHash)
{
return(Array.Empty <TxReceipt>());
}
if (_receiptsCache.TryGet(block.Hash, out var receipts))
{
return(receipts);
}
var receiptsData = _blocksDb.GetSpan(block.Hash);
try
{
bool shouldCache = true;
if (!receiptsData.IsNullOrEmpty())
{
receipts = DecodeArray(receiptsData);
}
else
{
// didn't bring performance uplift that was expected
// var data = _database.MultiGet(block.Transactions.Select(t => t.Hash));
// return data.Select(kvp => DeserializeObsolete(new Keccak(kvp.Key), kvp.Value)).ToArray();
receipts = new TxReceipt[block.Transactions.Length];
for (int i = 0; i < block.Transactions.Length; i++)
{
receipts[i] = FindReceiptObsolete(block.Transactions[i].Hash);
shouldCache &= receipts[i] != null;
}
}
shouldCache &= receipts.Length > 0;
if (shouldCache)
{
_receiptsCache.Set(block.Hash, receipts);
}
return(receipts);
}
finally
{
_blocksDb.DangerousReleaseMemory(receiptsData);
}
}
/// <summary> /// /// </summary> /// <param name="db"></param> /// <param name="key"></param> /// <returns>Can return null or empty Span on missing key</returns> public static Span <byte> GetSpan(this IDbWithSpan db, long key) => db.GetSpan(key.ToBigEndianByteArrayWithoutLeadingZeros());