public Transaction GetTransaction(uint256 txId)
{
RPCWalletEntry entry = null;
if (_WalletEntries.TryGetValue(txId, out entry))
{
return(entry.Transaction);
}
return(null);
}
private void RemoveTxByScriptId(RPCWalletEntry entry)
{
IEnumerable <Script> scripts = GetScriptsOf(entry.Transaction);
lock (_TxByScriptId)
{
foreach (var s in scripts)
{
_TxByScriptId.Remove(s, entry);
}
}
}
private void AddTxByScriptId(uint256 txId, RPCWalletEntry entry)
{
IEnumerable <Script> scripts = GetScriptsOf(entry.Transaction);
lock (_TxByScriptId)
{
foreach (var s in scripts)
{
_TxByScriptId.Add(s, entry);
}
}
}
public void ImportTransaction(Transaction transaction, int confirmations)
{
var txId = transaction.GetHash();
var entry = new RPCWalletEntry()
{
Confirmations = confirmations,
TransactionId = transaction.GetHash(),
Transaction = transaction
};
if (_WalletEntries.TryAdd(txId, entry))
{
AddTxByScriptId(txId, entry);
}
}
List <RPCWalletEntry> ListTransactions(ref HashSet <uint256> knownTransactions)
{
List <RPCWalletEntry> array = new List <RPCWalletEntry>();
knownTransactions = new HashSet <uint256>();
var removeFromCache = new HashSet <uint256>(_TransactionsByTxId.Values.Select(tx => tx.GetHash()));
int count = 100;
int skip = 0;
int highestConfirmation = 0;
while (true)
{
var result = _RPCClient.SendCommandNoThrows("listtransactions", "*", count, skip, true);
skip += count;
if (result.Error != null)
{
return(null);
}
var transactions = (JArray)result.Result;
foreach (var obj in transactions)
{
var entry = new RPCWalletEntry();
entry.Confirmations = obj["confirmations"] == null ? 0 : (int)obj["confirmations"];
entry.TransactionId = new uint256((string)obj["txid"]);
removeFromCache.Remove(entry.TransactionId);
if (knownTransactions.Add(entry.TransactionId))
{
array.Add(entry);
}
if (obj["confirmations"] != null)
{
highestConfirmation = Math.Max(highestConfirmation, (int)obj["confirmations"]);
}
}
if (transactions.Count < count || highestConfirmation >= 1400)
{
break;
}
}
foreach (var remove in removeFromCache)
{
Transaction opt;
_TransactionsByTxId.TryRemove(remove, out opt);
}
return(array);
}
void ListTransactions()
{
var removeFromWalletEntries = new HashSet <uint256>(_WalletEntries.Keys);
int count = 100;
int skip = 0;
int highestConfirmation = 0;
while (true)
{
var result = _RPCClient.SendCommand("listtransactions", "*", count, skip, true);
skip += count;
var transactions = (JArray)result.Result;
var batch = _RPCClient.PrepareBatch();
var fetchingTransactions = new List <Tuple <RPCWalletEntry, Task <Transaction> > >();
foreach (var obj in transactions)
{
var entry = new RPCWalletEntry();
entry.Confirmations = obj["confirmations"] == null ? 0 : (int)obj["confirmations"];
entry.TransactionId = new uint256((string)obj["txid"]);
removeFromWalletEntries.Remove(entry.TransactionId);
RPCWalletEntry existing;
if (_WalletEntries.TryGetValue(entry.TransactionId, out existing))
{
existing.Confirmations = entry.Confirmations;
entry = existing;
}
if (entry.Transaction == null)
{
fetchingTransactions.Add(Tuple.Create(entry, FetchTransactionAsync(batch, entry.TransactionId)));
}
if (obj["confirmations"] != null)
{
highestConfirmation = Math.Max(highestConfirmation, (int)obj["confirmations"]);
}
}
batch.SendBatchAsync();
foreach (var fetching in fetchingTransactions)
{
var entry = fetching.Item1;
entry.Transaction = fetching.Item2.GetAwaiter().GetResult();
if (entry.Transaction != null)
{
if (_WalletEntries.TryAdd(entry.TransactionId, entry))
{
AddTxByScriptId(entry.TransactionId, entry);
}
}
}
if (transactions.Count < count || highestConfirmation >= 1400)
{
break;
}
}
foreach (var remove in removeFromWalletEntries)
{
RPCWalletEntry opt;
_WalletEntries.TryRemove(remove, out opt);
}
}
void ListTransactions()
{
var removeFromWalletEntries = new HashSet <uint256>(_WalletEntries.Keys);
int count = 100;
int skip = 0;
HashSet <uint256> processedTransacions = new HashSet <uint256>();
int updatedConfirmationGap = -1;
//If this one is true after asking for a batch, just update every "removeFromWalletEntries" transactions by updatedConfirmationGap
bool canMakeSimpleUpdate = false;
bool transactionTooOld = false;
while (true)
{
updatedConfirmationGap = -1;
canMakeSimpleUpdate = false;
var result = _RPCClient.SendCommand("listtransactions", "*", count, skip, true);
skip += count;
var transactions = (JArray)result.Result;
if (transactions.Count < count)
{
updatedConfirmationGap = 0;
canMakeSimpleUpdate = false;
}
var batch = _RPCClient.PrepareBatch();
var fetchingTransactions = new List <Tuple <RPCWalletEntry, Task <Transaction> > >();
foreach (var obj in transactions)
{
var entry = new RPCWalletEntry();
entry.Confirmations = obj["confirmations"] == null ? 0 : (int)obj["confirmations"];
if (entry.Confirmations >= MaxConfirmations)
{
transactionTooOld = true;
break;
}
entry.TransactionId = new uint256((string)obj["txid"]);
if (!processedTransacions.Add(entry.TransactionId))
{
continue;
}
removeFromWalletEntries.Remove(entry.TransactionId);
RPCWalletEntry existing;
if (_WalletEntries.TryGetValue(entry.TransactionId, out existing))
{
var confirmationGap = entry.Confirmations - existing.Confirmations;
if (entry.Confirmations == 0)
{
updatedConfirmationGap = 0;
canMakeSimpleUpdate = false;
}
if (updatedConfirmationGap != -1 && updatedConfirmationGap != confirmationGap)
{
canMakeSimpleUpdate = false;
}
if (updatedConfirmationGap == -1)
{
canMakeSimpleUpdate = true;
updatedConfirmationGap = confirmationGap;
}
existing.Confirmations = entry.Confirmations;
entry = existing;
}
if (entry.Transaction == null)
{
fetchingTransactions.Add(Tuple.Create(entry, FetchTransactionAsync(batch, entry.TransactionId)));
}
}
batch.SendBatchAsync();
foreach (var fetching in fetchingTransactions)
{
var entry = fetching.Item1;
entry.Transaction = fetching.Item2.GetAwaiter().GetResult();
if (entry.Transaction != null)
{
if (_WalletEntries.TryAdd(entry.TransactionId, entry))
{
AddTxByScriptId(entry.TransactionId, entry);
}
}
}
if (transactions.Count < count || transactionTooOld || canMakeSimpleUpdate)
{
break;
}
}
if (canMakeSimpleUpdate)
{
foreach (var tx in removeFromWalletEntries.ToList())
{
RPCWalletEntry entry = null;
if (_WalletEntries.TryGetValue(tx, out entry))
{
if (entry.Confirmations != 0)
{
entry.Confirmations += updatedConfirmationGap;
if (entry.Confirmations <= MaxConfirmations)
{
removeFromWalletEntries.Remove(entry.TransactionId);
}
}
}
}
}
foreach (var remove in removeFromWalletEntries)
{
RPCWalletEntry opt;
if (_WalletEntries.TryRemove(remove, out opt))
{
RemoveTxByScriptId(opt);
}
}
}