private async Task FetchTransactionDetails(DerivationSchemeSettings derivationSchemeSettings, WalletPSBTReadyViewModel vm, BTCPayNetwork network)
{
var psbtObject = PSBT.Parse(vm.SigningContext.PSBT, network.NBitcoinNetwork);
if (!psbtObject.IsAllFinalized())
{
psbtObject = await ExplorerClientProvider.UpdatePSBT(derivationSchemeSettings, psbtObject) ?? psbtObject;
}
IHDKey signingKey = null;
RootedKeyPath signingKeyPath = null;
try
{
signingKey = new BitcoinExtPubKey(vm.SigningKey, network.NBitcoinNetwork);
}
catch { }
try
{
signingKey = signingKey ?? new BitcoinExtKey(vm.SigningKey, network.NBitcoinNetwork);
}
catch { }
try
{
signingKeyPath = RootedKeyPath.Parse(vm.SigningKeyPath);
}
catch { }
if (signingKey == null || signingKeyPath == null)
{
var signingKeySettings = derivationSchemeSettings.GetSigningAccountKeySettings();
if (signingKey == null)
{
signingKey = signingKeySettings.AccountKey;
vm.SigningKey = signingKey.ToString();
}
if (vm.SigningKeyPath == null)
{
signingKeyPath = signingKeySettings.GetRootedKeyPath();
vm.SigningKeyPath = signingKeyPath?.ToString();
}
}
if (psbtObject.IsAllFinalized())
{
vm.CanCalculateBalance = false;
}
else
{
var balanceChange = psbtObject.GetBalance(derivationSchemeSettings.AccountDerivation, signingKey, signingKeyPath);
vm.BalanceChange = ValueToString(balanceChange, network);
vm.CanCalculateBalance = true;
vm.Positive = balanceChange >= Money.Zero;
}
vm.Inputs = new List <WalletPSBTReadyViewModel.InputViewModel>();
foreach (var input in psbtObject.Inputs)
{
var inputVm = new WalletPSBTReadyViewModel.InputViewModel();
vm.Inputs.Add(inputVm);
var mine = input.HDKeysFor(derivationSchemeSettings.AccountDerivation, signingKey, signingKeyPath).Any();
var balanceChange2 = input.GetTxOut()?.Value ?? Money.Zero;
if (mine)
{
balanceChange2 = -balanceChange2;
}
inputVm.BalanceChange = ValueToString(balanceChange2, network);
inputVm.Positive = balanceChange2 >= Money.Zero;
inputVm.Index = (int)input.Index;
}
vm.Destinations = new List <WalletPSBTReadyViewModel.DestinationViewModel>();
foreach (var output in psbtObject.Outputs)
{
var dest = new WalletPSBTReadyViewModel.DestinationViewModel();
vm.Destinations.Add(dest);
var mine = output.HDKeysFor(derivationSchemeSettings.AccountDerivation, signingKey, signingKeyPath).Any();
var balanceChange2 = output.Value;
if (!mine)
{
balanceChange2 = -balanceChange2;
}
dest.Balance = ValueToString(balanceChange2, network);
dest.Positive = balanceChange2 >= Money.Zero;
dest.Destination = output.ScriptPubKey.GetDestinationAddress(network.NBitcoinNetwork)?.ToString() ?? output.ScriptPubKey.ToString();
}
if (psbtObject.TryGetFee(out var fee))
{
vm.Destinations.Add(new WalletPSBTReadyViewModel.DestinationViewModel
{
Positive = false,
Balance = ValueToString(-fee, network),
Destination = "Mining fees"
});
}
if (psbtObject.TryGetEstimatedFeeRate(out var feeRate))
{
vm.FeeRate = feeRate.ToString();
}
var sanityErrors = psbtObject.CheckSanity();
if (sanityErrors.Count != 0)
{
vm.SetErrors(sanityErrors);
}
else if (!psbtObject.IsAllFinalized() && !psbtObject.TryFinalize(out var errors))
{
vm.SetErrors(errors);
}
}
private async Task FetchTransactionDetails(WalletId walletId, WalletPSBTReadyViewModel vm, BTCPayNetwork network)
{
var psbtObject = PSBT.Parse(vm.PSBT, network.NBitcoinNetwork);
IHDKey signingKey = null;
RootedKeyPath signingKeyPath = null;
try
{
signingKey = new BitcoinExtPubKey(vm.SigningKey, network.NBitcoinNetwork);
}
catch { }
try
{
signingKey = signingKey ?? new BitcoinExtKey(vm.SigningKey, network.NBitcoinNetwork);
}
catch { }
try
{
signingKeyPath = RootedKeyPath.Parse(vm.SigningKeyPath);
}
catch { }
var derivationSchemeSettings = await GetDerivationSchemeSettings(walletId);
if (signingKey == null || signingKeyPath == null)
{
var signingKeySettings = derivationSchemeSettings.GetSigningAccountKeySettings();
if (signingKey == null)
{
signingKey = signingKeySettings.AccountKey;
vm.SigningKey = signingKey.ToString();
}
if (vm.SigningKeyPath == null)
{
signingKeyPath = signingKeySettings.GetRootedKeyPath();
vm.SigningKeyPath = signingKeyPath?.ToString();
}
}
if (psbtObject.IsAllFinalized())
{
vm.CanCalculateBalance = false;
}
else
{
var balanceChange = psbtObject.GetBalance(derivationSchemeSettings.AccountDerivation, signingKey, signingKeyPath);
vm.BalanceChange = ValueToString(balanceChange, network);
vm.CanCalculateBalance = true;
vm.Positive = balanceChange >= Money.Zero;
}
foreach (var output in psbtObject.Outputs)
{
var dest = new WalletPSBTReadyViewModel.DestinationViewModel();
vm.Destinations.Add(dest);
var mine = output.HDKeysFor(derivationSchemeSettings.AccountDerivation, signingKey, signingKeyPath).Any();
var balanceChange2 = output.Value;
if (!mine)
{
balanceChange2 = -balanceChange2;
}
dest.Balance = ValueToString(balanceChange2, network);
dest.Positive = balanceChange2 >= Money.Zero;
dest.Destination = output.ScriptPubKey.GetDestinationAddress(network.NBitcoinNetwork)?.ToString() ?? output.ScriptPubKey.ToString();
}
if (psbtObject.TryGetFee(out var fee))
{
vm.Destinations.Add(new WalletPSBTReadyViewModel.DestinationViewModel()
{
Positive = false,
Balance = ValueToString(-fee, network),
Destination = "Mining fees"
});
}
if (psbtObject.TryGetEstimatedFeeRate(out var feeRate))
{
vm.FeeRate = feeRate.ToString();
}
if (!psbtObject.IsAllFinalized() && !psbtObject.TryFinalize(out var errors))
{
vm.SetErrors(errors);
}
}
