public IWithdrawal ExtractWithdrawalFromTransaction(Transaction transaction, uint256 blockHash, int blockHeight)
{
if (transaction.Outputs.Count(this.IsTargetAddressCandidate) != 1)
{
return(null);
}
if (!this.IsOnlyFromMultisig(transaction))
{
return(null);
}
if (!this.opReturnDataReader.TryGetTransactionId(transaction, out string depositId))
{
return(null);
}
this.logger.LogDebug(
"Processing received transaction with source deposit id: {0}. Transaction hash: {1}.",
depositId,
transaction.GetHash());
TxOut targetAddressOutput = transaction.Outputs.Single(this.IsTargetAddressCandidate);
var withdrawal = new Withdrawal(
uint256.Parse(depositId),
transaction.GetHash(),
targetAddressOutput.Value,
targetAddressOutput.ScriptPubKey.GetDestinationAddress(this.network).ToString(),
blockHeight,
blockHash);
return(withdrawal);
}
public IWithdrawal ExtractWithdrawalFromTransaction(Transaction transaction, uint256 blockHash, int blockHeight)
{
// Coinbase can't contain withdrawals.
if (transaction.IsCoinBase)
{
return(null);
}
if (!this.IsOnlyFromMultisig(transaction))
{
return(null);
}
if (!this.opReturnDataReader.TryGetTransactionId(transaction, out string depositId))
{
return(null);
}
// This is not a withdrawal transaction.
if (transaction.Outputs.Count < ExpectedNumberOfOutputsNoChange)
{
return(null);
}
Money withdrawalAmount = null;
string targetAddress = null;
// Cross chain transfers either have 2 or 3 outputs.
if (transaction.Outputs.Count == ExpectedNumberOfOutputsNoChange || transaction.Outputs.Count == ExpectedNumberOfOutputsChange)
{
TxOut targetAddressOutput = transaction.Outputs.SingleOrDefault(this.IsTargetAddressCandidate);
if (targetAddressOutput == null)
{
return(null);
}
withdrawalAmount = targetAddressOutput.Value;
targetAddress = targetAddressOutput.ScriptPubKey.GetDestinationAddress(this.network).ToString();
}
else
{
// Reward distribution transactions will have more than 3 outputs.
IEnumerable <TxOut> txOuts = transaction.Outputs.Where(output => output.ScriptPubKey != this.multisigAddress.ScriptPubKey && !output.ScriptPubKey.IsUnspendable);
if (!txOuts.Any())
{
return(null);
}
withdrawalAmount = txOuts.Sum(t => t.Value);
targetAddress = this.network.CirrusRewardDummyAddress;
}
var withdrawal = new Withdrawal(uint256.Parse(depositId), transaction.GetHash(), withdrawalAmount, targetAddress, blockHeight, blockHash);
return(withdrawal);
}
public IWithdrawal ExtractWithdrawalFromTransaction(Transaction transaction, uint256 blockHash, int blockHeight)
{
// Coinbase can't contain withdrawals.
if (transaction.IsCoinBase)
{
return(null);
}
// Withdrawal has a specific structure.
if (transaction.Outputs.Count != ExpectedNumberOfOutputsNoChange &&
transaction.Outputs.Count != ExpectedNumberOfOutputsChange)
{
return(null);
}
if (!this.IsOnlyFromMultisig(transaction))
{
return(null);
}
if (!this.opReturnDataReader.TryGetTransactionId(transaction, out string depositId))
{
return(null);
}
TxOut targetAddressOutput = transaction.Outputs.SingleOrDefault(this.IsTargetAddressCandidate);
if (targetAddressOutput == null)
{
return(null);
}
var withdrawal = new Withdrawal(
uint256.Parse(depositId),
transaction.GetHash(),
targetAddressOutput.Value,
targetAddressOutput.ScriptPubKey.GetDestinationAddress(this.network).ToString(),
blockHeight,
blockHash);
return(withdrawal);
}
