/// <inheritdoc />
public bool ValidateTransaction(Transaction transaction, bool checkSignature = false)
{
lock (this.lockObject)
{
// All the input UTXO's should be present in spending details of the multi-sig address.
List <Coin> coins = checkSignature ? new List <Coin>() : null;
// Verify that the transaction has valid UTXOs.
if (!this.TransactionHasValidUTXOs(transaction, coins))
{
return(false);
}
// Verify that there are no earlier unspent UTXOs.
Comparer <TransactionData> comparer = Comparer <TransactionData> .Create(DeterministicCoinOrdering.CompareTransactionData);
TransactionData earliestUnspent = this.Wallet.MultiSigAddress.Transactions.Where(t => t.SpendingDetails == null).OrderBy(t => t, comparer).FirstOrDefault();
if (earliestUnspent != null)
{
TransactionData oldestInput = transaction.Inputs
.Where(i => this.outpointLookup.ContainsKey(i.PrevOut))
.Select(i => this.outpointLookup[i.PrevOut])
.OrderByDescending(t => t, comparer)
.FirstOrDefault();
if (oldestInput != null && DeterministicCoinOrdering.CompareTransactionData(earliestUnspent, oldestInput) < 0)
{
return(false);
}
}
// Verify that all inputs are signed.
if (checkSignature)
{
TransactionBuilder builder = new TransactionBuilder(this.Wallet.Network).AddCoins(coins);
if (!builder.Verify(transaction, this.federationGatewaySettings.TransactionFee, out TransactionPolicyError[] errors))
/// <inheritdoc />
public int CompareOutpoints(OutPoint outPoint1, OutPoint outPoint2)
{
lock (this.lockObject)
{
TransactionData transactionData1 = this.outpointLookup[outPoint1];
TransactionData transactionData2 = this.outpointLookup[outPoint2];
return(DeterministicCoinOrdering.CompareTransactionData(transactionData1, transactionData2));
}
}