public async Task <Tuple <List <UnspentOutput>, Amount> > SelectUnspentOutputs(Account account, Amount targetAmount,
int requiredConfirmations)
{
var client = WalletService.NewClient(_channel);
var request = new FundTransactionRequest
{
Account = account.AccountNumber,
TargetAmount = targetAmount,
RequiredConfirmations = requiredConfirmations,
IncludeImmatureCoinbases = false,
IncludeChangeScript = false,
};
var response = await client.FundTransactionAsync(request, cancellationToken : _tokenSource.Token);
var outputs = response.SelectedOutputs.Select(MarshalUnspentOutput).ToList();
var total = (Amount)response.TotalAmount;
return(Tuple.Create(outputs, total));
}
public async Task<Tuple<List<UnspentOutput>, Amount>> FundTransactionAsync(
Account account, Amount targetAmount, int requiredConfirmations)
{
var client = new WalletService.WalletServiceClient(_channel);
var request = new FundTransactionRequest
{
Account = account.AccountNumber,
TargetAmount = targetAmount,
RequiredConfirmations = requiredConfirmations,
IncludeImmatureCoinbases = false,
IncludeChangeScript = false,
};
var response = await client.FundTransactionAsync(request, cancellationToken: _tokenSource.Token);
var outputs = response.SelectedOutputs.Select(MarshalUnspentOutput).ToList();
var total = (Amount)response.TotalAmount;
return Tuple.Create(outputs, total);
}
public async Task<Tuple<List<UnspentOutput>, Amount, OutputScript>> FundTransactionAsync(
Account account, Amount targetAmount, int requiredConfirmations)
{
var client = WalletService.NewClient(_channel);
var request = new FundTransactionRequest
{
Account = account.AccountNumber,
TargetAmount = targetAmount,
RequiredConfirmations = requiredConfirmations,
IncludeImmatureCoinbases = false,
IncludeChangeScript = true,
};
var response = await client.FundTransactionAsync(request, cancellationToken: _tokenSource.Token);
var outputs = response.SelectedOutputs.Select(MarshalUnspentOutput).ToList();
var total = (Amount)response.TotalAmount;
var changeScript = (OutputScript)null;
if (response.ChangePkScript?.Length != 0)
{
changeScript = OutputScript.ParseScript(response.ChangePkScript.ToByteArray());
}
return Tuple.Create(outputs, total, changeScript);
}
public async Task <IActionResult> FundTransactionAsync(string account, [FromBody] FundTransactionRequest request)
{
try
{
if (request == null || request.Password == null || request.Address == null || request.Inputs == null || request.Inputs.Count() == 0 || request.FeeType == null)
{
return(new ObjectResult(new FailureResponse {
Message = "Bad request", Details = ""
}));
}
var fail = Global.WalletWrapper.GetAccount(account, out SafeAccount safeAccount);
if (fail != null)
{
return(new ObjectResult(fail));
}
BitcoinAddress address;
try
{
address = BitcoinAddress.Create(request.Address, Global.WalletWrapper.WalletJob.CurrentNetwork);
}
catch (Exception)
{
return(new ObjectResult(new FailureResponse {
Message = "Wrong address", Details = ""
}));
}
var inputs = new List <OutPoint>();
try
{
foreach (var input in request.Inputs)
{
var inputParts = input.Split(":");
inputs.Add(new OutPoint(new uint256(inputParts[1]), int.Parse(inputParts[0])));
}
}
catch (Exception)
{
return(new ObjectResult(new FailureResponse {
Message = "Wrong amount", Details = ""
}));
}
FeeType feeType;
if (request.FeeType.Equals("high", StringComparison.OrdinalIgnoreCase))
{
feeType = FeeType.High;
}
else if (request.FeeType.Equals("medium", StringComparison.OrdinalIgnoreCase))
{
feeType = FeeType.Medium;
}
else if (request.FeeType.Equals("low", StringComparison.OrdinalIgnoreCase))
{
feeType = FeeType.Low;
}
else
{
return(new ObjectResult(new FailureResponse {
Message = "Wrong fee type", Details = ""
}));
}
return(new ObjectResult(await Global.WalletWrapper.BuildTransactionAsync(request.Password, safeAccount, address, Money.Zero, feeType, true, null, inputs)));
}
catch (Exception ex)
{
return(new ObjectResult(new FailureResponse {
Message = ex.Message, Details = ex.ToString()
}));
}
}