public bool TryRemoveTransaction(UInt256 txHash)
{
CheckWriteTransaction();
UnconfirmedTx unconfirmedTx;
if (unconfirmedTxes.Value.TryGetValue(txHash, out unconfirmedTx) &&
unconfirmedTxes.TryModify(x => x.Remove(txHash)))
{
// update index of txes spending each input's prev tx
for (var inputIndex = 0; inputIndex < unconfirmedTx.Transaction.Inputs.Length; inputIndex++)
{
var input = unconfirmedTx.Transaction.Inputs[inputIndex];
unconfirmedTxesByPrevTxOutputKey.Modify(_ => { });
ImmutableDictionary <UInt256, UnconfirmedTx> .Builder unconfirmedTxes;
if (unconfirmedTxesByPrevTxOutputKey.Value.TryGetValue(input.PrevTxOutputKey, out unconfirmedTxes))
{
// ensure a copy of the builder is modified or underlying storage will see uncomitted state
unconfirmedTxes = unconfirmedTxes.ToImmutable().ToBuilder();
}
else
{
unconfirmedTxes = ImmutableDictionary.CreateBuilder <UInt256, UnconfirmedTx>();
}
unconfirmedTxes.Remove(unconfirmedTx.Hash);
if (unconfirmedTxes.Count > 0)
{
unconfirmedTxesByPrevTxOutputKey.Value[input.PrevTxOutputKey] = unconfirmedTxes;
}
else
{
unconfirmedTxesByPrevTxOutputKey.Value.Remove(input.PrevTxOutputKey);
}
}
return(true);
}
else
{
return(false);
}
}
public bool TryRemoveBlockUnmintedTxes(UInt256 blockHash)
{
CheckWriteTransaction();
return(blockUnmintedTxes.TryModify(x => x.Remove(blockHash)));
}
public bool TryRemoveBlockSpentTxes(int blockIndex)
{
CheckWriteTransaction();
return(blockSpentTxes.TryModify(x => x.Remove(blockIndex)));
}
public bool TryRemoveUnspentTxOutput(TxOutputKey txOutputKey)
{
CheckWriteTransaction();
return(unspentTxOutputs.TryModify(x => x.Remove(txOutputKey)));
}
public bool TryRemoveUnspentTx(UInt256 txHash)
{
CheckWriteTransaction();
return(unspentTransactions.TryModify(x => x.Remove(txHash)));
}
public bool TryRemoveHeader(UInt256 blockHash)
{
CheckWriteTransaction();
return(headers.TryModify(x => x.Remove(blockHash)));
}