public async Task <IBuildedTransaction> SendWithChange(TransactionBuilder builder,
List <Coin> coins, IDestination destination, Money amount, IDestination changeDestination, bool includeFee)
{
if (amount.Satoshi <= 0)
{
throw new BusinessException("Amount can't be less or equal to zero", ErrorCode.BadInputParameter);
}
builder.AddCoins(coins)
.Send(destination, amount)
.SetChange(changeDestination);
var calculatedFee = await _feeService.CalcFeeForTransaction(builder);
if (calculatedFee >= amount)
{
throw new BusinessException(
$"The sum of total applicable outputs is less than the required fee: {calculatedFee} satoshis.",
ErrorCode.BalanceIsLessThanFee);
}
if (includeFee)
{
builder.SubtractFees();
amount = amount - calculatedFee;
}
builder.SendFees(calculatedFee);
var tx = builder.BuildTransaction(false);
return(BuildedTransaction.Create(tx, calculatedFee, amount));
}
public async Task <IBuildedTransaction> SendWithChange(TransactionBuilder builder, IList <Coin> coins, IDestination destination, Money balance, Money amount, IDestination changeDestination, bool includeFee)
{
if (amount.Satoshi <= 0)
{
throw new BusinessException("Amount can't be less or equal to zero", ErrorCode.BadInputParameter);
}
var change = balance - amount;
var sentFees = Money.Zero;
if (change < new TxOut(Money.Zero, changeDestination).GetDustThreshold(builder.StandardTransactionPolicy.MinRelayTxFee).Satoshi&& change > 0)
{
builder.SendFees(change);
sentFees = change;
}
builder.AddCoins(coins)
.Send(destination, amount)
.SetChange(changeDestination);
var calculatedFee = await _feeService.CalcFeeForTransaction(builder) - sentFees;
var requiredBalance = amount + (includeFee ? Money.Zero : calculatedFee);
if (balance < requiredBalance)
{
throw new BusinessException($"The sum of total applicable outputs is less than the required : {requiredBalance} satoshis.", ErrorCode.NotEnoughFundsAvailable);
}
if (includeFee)
{
if (calculatedFee > amount)
{
throw new BusinessException($"The sum of total applicable outputs is less than the required fee:{calculatedFee} satoshis.", ErrorCode.BalanceIsLessThanFee);
}
builder.SubtractFees();
amount = amount - calculatedFee;
}
if (calculatedFee > 0)
{
builder.SendFees(calculatedFee);
}
var tx = builder.BuildTransaction(false);
var usedCoins = builder.FindSpentCoins(tx);
return(BuildedTransaction.Create(tx, tx.GetFee(usedCoins), amount, usedCoins.OfType <Coin>()));
}
public async Task <IBuildedTransaction> SendWithChange(TransactionBuilder builder, List <Coin> coins, IDestination destination, Money balance, Money amount, IDestination changeDestination, bool includeFee)
{
if (amount.Satoshi <= 0)
{
throw new BusinessException("Amount can't be less or equal to zero", ErrorCode.BadInputParameter);
}
builder.AddCoins(coins);
var addressBalance = coins.Sum(o => o.Amount);
var sentFees = Money.Zero;
var change = addressBalance - amount;
if (change < new TxOut(Money.Zero, destination).GetDustThreshold(builder.StandardTransactionPolicy.MinRelayTxFee).Satoshi)
{
builder.SendFees(change);
sentFees = change;
}
builder.Send(destination, amount)
.SetChange(changeDestination);
var calculatedFee = await _feeService.CalcFeeForTransaction(builder) - sentFees;
if (includeFee)
{
if (calculatedFee > amount)
{
throw new BusinessException($"The sum of total applicable outputs is less than the required fee:{calculatedFee} satoshis.", ErrorCode.BalanceIsLessThanFee);
}
builder.SubtractFees();
amount = amount - calculatedFee;
}
if (calculatedFee > 0)
{
builder.SendFees(calculatedFee);
}
var tx = builder.BuildTransaction(false);
var usedCoins = tx.Inputs.Select(input => coins.First(o => o.Outpoint == input.PrevOut)).ToList();
return(BuildedTransaction.Create(tx, calculatedFee, amount, usedCoins));
}