public async Task <ICollection <TransactionInformation> > GetTransactionsAsync(Script scriptPubKey, bool withProof)
{
if (scriptPubKey == null)
{
throw new ArgumentNullException(nameof(scriptPubKey));
}
var results = _Cache
.GetEntriesFromScript(scriptPubKey)
.Select(entry => new TransactionInformation()
{
Confirmations = entry.Confirmations,
Transaction = entry.Transaction
}).ToList();
if (withProof)
{
foreach (var tx in results.ToList())
{
var completion = new TaskCompletionSource <MerkleBlock>();
bool isRequester = true;
var txid = tx.Transaction.GetHash();
_GettingProof.AddOrUpdate(txid, completion, (k, o) =>
{
isRequester = false;
completion = o;
return(o);
});
if (isRequester)
{
try
{
MerkleBlock proof = null;
var result = await RPCClient.SendCommandNoThrowsAsync("gettxoutproof", new JArray(tx.Transaction.GetHash().ToString())).ConfigureAwait(false);
if (result == null || result.Error != null)
{
completion.TrySetResult(null);
continue;
}
proof = new MerkleBlock();
proof.ReadWrite(Encoders.Hex.DecodeData(result.ResultString));
tx.MerkleProof = proof;
completion.TrySetResult(proof);
}
catch (Exception ex) { completion.TrySetException(ex); }
finally { _GettingProof.TryRemove(txid, out completion); }
}
var merkleBlock = await completion.Task.ConfigureAwait(false);
if (merkleBlock == null)
{
results.Remove(tx);
}
}
}
return(results);
}
public ICollection <TransactionInformation> GetTransactions(Script scriptPubKey, bool withProof)
{
if (scriptPubKey == null)
{
throw new ArgumentNullException(nameof(scriptPubKey));
}
var results = _Cache
.GetEntriesFromScript(scriptPubKey)
.Select(entry => new TransactionInformation()
{
Confirmations = entry.Confirmations,
Transaction = entry.Transaction
}).ToList();
if (withProof)
{
foreach (var tx in results.ToList())
{
MerkleBlock proof = null;
var result = RPCClient.SendCommandNoThrows("gettxoutproof", new JArray(tx.Transaction.GetHash().ToString()));
if (result == null || result.Error != null)
{
results.Remove(tx);
continue;
}
proof = new MerkleBlock();
proof.ReadWrite(Encoders.Hex.DecodeData(result.ResultString));
tx.MerkleProof = proof;
}
}
return(results);
}