public async Task <IActionResult> AddDerivationScheme(string storeId, [FromForm] DerivationSchemeViewModel vm,
string cryptoCode)
{
vm.CryptoCode = cryptoCode;
var store = HttpContext.GetStoreData();
if (store == null)
{
return(NotFound());
}
var network = cryptoCode == null ? null : _ExplorerProvider.GetNetwork(cryptoCode);
if (network == null)
{
return(NotFound());
}
vm.Network = network;
vm.RootKeyPath = network.GetRootKeyPath();
DerivationSchemeSettings strategy = null;
var wallet = _WalletProvider.GetWallet(network);
if (wallet == null)
{
return(NotFound());
}
if (!string.IsNullOrEmpty(vm.Config))
{
if (!DerivationSchemeSettings.TryParseFromJson(vm.Config, network, out strategy))
{
TempData.SetStatusMessageModel(new StatusMessageModel()
{
Severity = StatusMessageModel.StatusSeverity.Error,
Message = "Config file was not in the correct format"
});
vm.Confirmation = false;
return(View(nameof(AddDerivationScheme), vm));
}
}
if (vm.WalletFile != null)
{
if (!DerivationSchemeSettings.TryParseFromWalletFile(await ReadAllText(vm.WalletFile), network,
out strategy))
{
TempData.SetStatusMessageModel(new StatusMessageModel()
{
Severity = StatusMessageModel.StatusSeverity.Error,
Message = "Wallet file was not in the correct format"
});
vm.Confirmation = false;
return(View(nameof(AddDerivationScheme), vm));
}
}
else if (!string.IsNullOrEmpty(vm.WalletFileContent))
{
if (!DerivationSchemeSettings.TryParseFromWalletFile(vm.WalletFileContent, network, out strategy))
{
TempData.SetStatusMessageModel(new StatusMessageModel()
{
Severity = StatusMessageModel.StatusSeverity.Error,
Message = "QR import was not in the correct format"
});
vm.Confirmation = false;
return(View(nameof(AddDerivationScheme), vm));
}
}
else
{
try
{
if (!string.IsNullOrEmpty(vm.DerivationScheme))
{
var newStrategy = ParseDerivationStrategy(vm.DerivationScheme, null, network);
if (newStrategy.AccountDerivation != strategy?.AccountDerivation)
{
var accountKey = string.IsNullOrEmpty(vm.AccountKey)
? null
: new BitcoinExtPubKey(vm.AccountKey, network.NBitcoinNetwork);
if (accountKey != null)
{
var accountSettings =
newStrategy.AccountKeySettings.FirstOrDefault(a => a.AccountKey == accountKey);
if (accountSettings != null)
{
accountSettings.AccountKeyPath =
vm.KeyPath == null ? null : KeyPath.Parse(vm.KeyPath);
accountSettings.RootFingerprint = string.IsNullOrEmpty(vm.RootFingerprint)
? (HDFingerprint?)null
: new HDFingerprint(
NBitcoin.DataEncoders.Encoders.Hex.DecodeData(vm.RootFingerprint));
}
}
strategy = newStrategy;
strategy.Source = vm.Source;
vm.DerivationScheme = strategy.AccountDerivation.ToString();
}
}
else
{
strategy = null;
}
}
catch
{
ModelState.AddModelError(nameof(vm.DerivationScheme), "Invalid Derivation Scheme");
vm.Confirmation = false;
return(View(nameof(AddDerivationScheme), vm));
}
}
var oldConfig = vm.Config;
vm.Config = strategy == null ? null : strategy.ToJson();
PaymentMethodId paymentMethodId = new PaymentMethodId(network.CryptoCode, PaymentTypes.BTCLike);
var exisingStrategy = store.GetSupportedPaymentMethods(_NetworkProvider)
.Where(c => c.PaymentId == paymentMethodId)
.OfType <DerivationSchemeSettings>()
.FirstOrDefault();
var storeBlob = store.GetStoreBlob();
var wasExcluded = storeBlob.GetExcludedPaymentMethods().Match(paymentMethodId);
var willBeExcluded = !vm.Enabled;
var showAddress = // Show addresses if:
// - If the user is testing the hint address in confirmation screen
(vm.Confirmation && !string.IsNullOrWhiteSpace(vm.HintAddress)) ||
// - The user is clicking on continue after changing the config
(!vm.Confirmation && oldConfig != vm.Config) ||
// - The user is clicking on continue without changing config nor enabling/disabling
(!vm.Confirmation && oldConfig == vm.Config && willBeExcluded == wasExcluded);
showAddress = showAddress && strategy != null;
if (!showAddress)
{
try
{
if (strategy != null)
{
await wallet.TrackAsync(strategy.AccountDerivation);
}
store.SetSupportedPaymentMethod(paymentMethodId, strategy);
storeBlob.SetExcluded(paymentMethodId, willBeExcluded);
storeBlob.Hints.Wallet = false;
store.SetStoreBlob(storeBlob);
}
catch
{
ModelState.AddModelError(nameof(vm.DerivationScheme), "Invalid Derivation Scheme");
return(View(vm));
}
await _Repo.UpdateStore(store);
_EventAggregator.Publish(new WalletChangedEvent()
{
WalletId = new WalletId(storeId, cryptoCode)
});
if (willBeExcluded != wasExcluded)
{
var label = willBeExcluded ? "disabled" : "enabled";
TempData[WellKnownTempData.SuccessMessage] =
$"On-Chain payments for {network.CryptoCode} has been {label}.";
}
else
{
TempData[WellKnownTempData.SuccessMessage] =
$"Derivation settings for {network.CryptoCode} has been modified.";
}
// This is success case when derivation scheme is added to the store
return(RedirectToAction(nameof(UpdateStore), new { storeId = storeId }));
}
else if (!string.IsNullOrEmpty(vm.HintAddress))
{
BitcoinAddress address = null;
try
{
address = BitcoinAddress.Create(vm.HintAddress, network.NBitcoinNetwork);
}
catch
{
ModelState.AddModelError(nameof(vm.HintAddress), "Invalid hint address");
return(ShowAddresses(vm, strategy));
}
try
{
var newStrategy = ParseDerivationStrategy(vm.DerivationScheme, address.ScriptPubKey, network);
if (newStrategy.AccountDerivation != strategy.AccountDerivation)
{
strategy.AccountDerivation = newStrategy.AccountDerivation;
strategy.AccountOriginal = null;
}
}
catch
{
ModelState.AddModelError(nameof(vm.HintAddress), "Impossible to find a match with this address");
return(ShowAddresses(vm, strategy));
}
vm.HintAddress = "";
TempData[WellKnownTempData.SuccessMessage] =
"Address successfully found, please verify that the rest is correct and click on \"Confirm\"";
ModelState.Remove(nameof(vm.HintAddress));
ModelState.Remove(nameof(vm.DerivationScheme));
}
return(ShowAddresses(vm, strategy));
}
public async Task <IActionResult> Submit(string cryptoCode,
long?maxadditionalfeecontribution,
int?additionalfeeoutputindex,
decimal minfeerate = -1.0m,
bool disableoutputsubstitution = false,
int v = 1)
{
var network = _btcPayNetworkProvider.GetNetwork <BTCPayNetwork>(cryptoCode);
if (network == null)
{
return(NotFound());
}
if (v != 1)
{
return(BadRequest(new JObject
{
new JProperty("errorCode", "version-unsupported"),
new JProperty("supported", new JArray(1)),
new JProperty("message", "This version of payjoin is not supported.")
}));
}
await using var ctx = new PayjoinReceiverContext(_invoiceRepository, _explorerClientProvider.GetExplorerClient(network), _payJoinRepository);
ObjectResult CreatePayjoinErrorAndLog(int httpCode, PayjoinReceiverWellknownErrors err, string debug)
{
ctx.Logs.Write($"Payjoin error: {debug}", InvoiceEventData.EventSeverity.Error);
return(StatusCode(httpCode, CreatePayjoinError(err, debug)));
}
var explorer = _explorerClientProvider.GetExplorerClient(network);
if (Request.ContentLength is long length)
{
if (length > 1_000_000)
{
return(this.StatusCode(413,
CreatePayjoinError("payload-too-large", "The transaction is too big to be processed")));
}
}
else
{
return(StatusCode(411,
CreatePayjoinError("missing-content-length",
"The http header Content-Length should be filled")));
}
string rawBody;
using (StreamReader reader = new StreamReader(Request.Body, Encoding.UTF8))
{
rawBody = (await reader.ReadToEndAsync()) ?? string.Empty;
}
FeeRate originalFeeRate = null;
bool psbtFormat = true;
if (PSBT.TryParse(rawBody, network.NBitcoinNetwork, out var psbt))
{
if (!psbt.IsAllFinalized())
{
return(BadRequest(CreatePayjoinError("original-psbt-rejected", "The PSBT should be finalized")));
}
ctx.OriginalTransaction = psbt.ExtractTransaction();
}
// BTCPay Server implementation support a transaction instead of PSBT
else
{
psbtFormat = false;
if (!Transaction.TryParse(rawBody, network.NBitcoinNetwork, out var tx))
{
return(BadRequest(CreatePayjoinError("original-psbt-rejected", "invalid transaction or psbt")));
}
ctx.OriginalTransaction = tx;
psbt = PSBT.FromTransaction(tx, network.NBitcoinNetwork);
psbt = (await explorer.UpdatePSBTAsync(new UpdatePSBTRequest()
{
PSBT = psbt
})).PSBT;
for (int i = 0; i < tx.Inputs.Count; i++)
{
psbt.Inputs[i].FinalScriptSig = tx.Inputs[i].ScriptSig;
psbt.Inputs[i].FinalScriptWitness = tx.Inputs[i].WitScript;
}
}
FeeRate senderMinFeeRate = minfeerate >= 0.0m ? new FeeRate(minfeerate) : null;
Money allowedSenderFeeContribution = Money.Satoshis(maxadditionalfeecontribution is long t && t >= 0 ? t : 0);
var sendersInputType = psbt.GetInputsScriptPubKeyType();
if (psbt.CheckSanity() is var errors && errors.Count != 0)
{
return(BadRequest(CreatePayjoinError("original-psbt-rejected", $"This PSBT is insane ({errors[0]})")));
}
if (!psbt.TryGetEstimatedFeeRate(out originalFeeRate))
{
return(BadRequest(CreatePayjoinError("original-psbt-rejected",
"You need to provide Witness UTXO information to the PSBT.")));
}
// This is actually not a mandatory check, but we don't want implementers
// to leak global xpubs
if (psbt.GlobalXPubs.Any())
{
return(BadRequest(CreatePayjoinError("original-psbt-rejected",
"GlobalXPubs should not be included in the PSBT")));
}
if (psbt.Outputs.Any(o => o.HDKeyPaths.Count != 0) || psbt.Inputs.Any(o => o.HDKeyPaths.Count != 0))
{
return(BadRequest(CreatePayjoinError("original-psbt-rejected",
"Keypath information should not be included in the PSBT")));
}
if (psbt.Inputs.Any(o => !o.IsFinalized()))
{
return(BadRequest(CreatePayjoinError("original-psbt-rejected", "The PSBT Should be finalized")));
}
////////////
var mempool = await explorer.BroadcastAsync(ctx.OriginalTransaction, true);
if (!mempool.Success)
{
ctx.DoNotBroadcast();
return(BadRequest(CreatePayjoinError("original-psbt-rejected",
$"Provided transaction isn't mempool eligible {mempool.RPCCodeMessage}")));
}
var enforcedLowR = ctx.OriginalTransaction.Inputs.All(IsLowR);
var paymentMethodId = new PaymentMethodId(network.CryptoCode, PaymentTypes.BTCLike);
bool paidSomething = false;
Money due = null;
Dictionary <OutPoint, UTXO> selectedUTXOs = new Dictionary <OutPoint, UTXO>();
PSBTOutput originalPaymentOutput = null;
BitcoinAddress paymentAddress = null;
KeyPath paymentAddressIndex = null;
InvoiceEntity invoice = null;
DerivationSchemeSettings derivationSchemeSettings = null;
WalletId walletId = null;
foreach (var output in psbt.Outputs)
{
var walletReceiveMatch =
_walletReceiveService.GetByScriptPubKey(network.CryptoCode, output.ScriptPubKey);
if (walletReceiveMatch is null)
{
var key = output.ScriptPubKey.Hash + "#" + network.CryptoCode.ToUpperInvariant();
invoice = (await _invoiceRepository.GetInvoicesFromAddresses(new[] { key })).FirstOrDefault();
if (invoice is null)
{
continue;
}
derivationSchemeSettings = invoice
.GetSupportedPaymentMethod <DerivationSchemeSettings>(paymentMethodId)
.SingleOrDefault();
walletId = new WalletId(invoice.StoreId, network.CryptoCode.ToUpperInvariant());
}
else
{
var store = await _storeRepository.FindStore(walletReceiveMatch.Item1.StoreId);
derivationSchemeSettings = store.GetDerivationSchemeSettings(_btcPayNetworkProvider,
walletReceiveMatch.Item1.CryptoCode);
walletId = walletReceiveMatch.Item1;
}
if (derivationSchemeSettings is null)
{
continue;
}
var receiverInputsType = derivationSchemeSettings.AccountDerivation.ScriptPubKeyType();
if (receiverInputsType == ScriptPubKeyType.Legacy)
{
//this should never happen, unless the store owner changed the wallet mid way through an invoice
return(CreatePayjoinErrorAndLog(503, PayjoinReceiverWellknownErrors.Unavailable, "Our wallet does not support payjoin"));
}
if (sendersInputType is ScriptPubKeyType t1 && t1 != receiverInputsType)
{
return(CreatePayjoinErrorAndLog(503, PayjoinReceiverWellknownErrors.Unavailable, "We do not have any UTXO available for making a payjoin with the sender's inputs type"));
}
if (walletReceiveMatch is null)
{
var paymentMethod = invoice.GetPaymentMethod(paymentMethodId);
var paymentDetails =
paymentMethod.GetPaymentMethodDetails() as Payments.Bitcoin.BitcoinLikeOnChainPaymentMethod;
if (paymentDetails is null || !paymentDetails.PayjoinEnabled)
{
continue;
}
paidSomething = true;
due = paymentMethod.Calculate().TotalDue - output.Value;
if (due > Money.Zero)
{
break;
}
paymentAddress = paymentDetails.GetDepositAddress(network.NBitcoinNetwork);
paymentAddressIndex = paymentDetails.KeyPath;
if (invoice.GetAllBitcoinPaymentData(false).Any())
{
ctx.DoNotBroadcast();
return(UnprocessableEntity(CreatePayjoinError("already-paid",
$"The invoice this PSBT is paying has already been partially or completely paid")));
}
}
else
{
paidSomething = true;
due = Money.Zero;
paymentAddress = walletReceiveMatch.Item2.Address;
paymentAddressIndex = walletReceiveMatch.Item2.KeyPath;
}
if (!await _payJoinRepository.TryLockInputs(ctx.OriginalTransaction.Inputs.Select(i => i.PrevOut).ToArray()))
{
// We do not broadcast, since we might double spend a delayed transaction of a previous payjoin
ctx.DoNotBroadcast();
return(CreatePayjoinErrorAndLog(503, PayjoinReceiverWellknownErrors.Unavailable, "Some of those inputs have already been used to make another payjoin transaction"));
}
var utxos = (await explorer.GetUTXOsAsync(derivationSchemeSettings.AccountDerivation))
.GetUnspentUTXOs(false);
// In case we are paying ourselves, be need to make sure
// we can't take spent outpoints.
var prevOuts = ctx.OriginalTransaction.Inputs.Select(o => o.PrevOut).ToHashSet();
utxos = utxos.Where(u => !prevOuts.Contains(u.Outpoint)).ToArray();
Array.Sort(utxos, UTXODeterministicComparer.Instance);
foreach (var utxo in (await SelectUTXO(network, utxos, psbt.Inputs.Select(input => input.WitnessUtxo.Value.ToDecimal(MoneyUnit.BTC)), output.Value.ToDecimal(MoneyUnit.BTC),
psbt.Outputs.Where(psbtOutput => psbtOutput.Index != output.Index).Select(psbtOutput => psbtOutput.Value.ToDecimal(MoneyUnit.BTC)))).selectedUTXO)
{
selectedUTXOs.Add(utxo.Outpoint, utxo);
}
ctx.LockedUTXOs = selectedUTXOs.Select(u => u.Key).ToArray();
originalPaymentOutput = output;
break;
}
if (!paidSomething)
{
return(BadRequest(CreatePayjoinError("invoice-not-found",
"This transaction does not pay any invoice with payjoin")));
}
if (due is null || due > Money.Zero)
{
return(BadRequest(CreatePayjoinError("invoice-not-fully-paid",
"The transaction must pay the whole invoice")));
}
if (selectedUTXOs.Count == 0)
{
return(CreatePayjoinErrorAndLog(503, PayjoinReceiverWellknownErrors.Unavailable, "We do not have any UTXO available for contributing to a payjoin"));
}
var originalPaymentValue = originalPaymentOutput.Value;
await _broadcaster.Schedule(DateTimeOffset.UtcNow + TimeSpan.FromMinutes(2.0), ctx.OriginalTransaction, network);
//check if wallet of store is configured to be hot wallet
var extKeyStr = await explorer.GetMetadataAsync <string>(
derivationSchemeSettings.AccountDerivation,
WellknownMetadataKeys.AccountHDKey);
if (extKeyStr == null)
{
// This should not happen, as we check the existance of private key before creating invoice with payjoin
return(CreatePayjoinErrorAndLog(503, PayjoinReceiverWellknownErrors.Unavailable, "The HD Key of the store changed"));
}
Money contributedAmount = Money.Zero;
var newTx = ctx.OriginalTransaction.Clone();
var ourNewOutput = newTx.Outputs[originalPaymentOutput.Index];
HashSet <TxOut> isOurOutput = new HashSet <TxOut>();
isOurOutput.Add(ourNewOutput);
TxOut feeOutput =
additionalfeeoutputindex is int feeOutputIndex &&
maxadditionalfeecontribution is long v3 &&
v3 >= 0 &&
feeOutputIndex >= 0 &&
feeOutputIndex < newTx.Outputs.Count &&
!isOurOutput.Contains(newTx.Outputs[feeOutputIndex])
? newTx.Outputs[feeOutputIndex] : null;
int senderInputCount = newTx.Inputs.Count;
foreach (var selectedUTXO in selectedUTXOs.Select(o => o.Value))
{
contributedAmount += (Money)selectedUTXO.Value;
var newInput = newTx.Inputs.Add(selectedUTXO.Outpoint);
newInput.Sequence = newTx.Inputs[(int)(RandomUtils.GetUInt32() % senderInputCount)].Sequence;
}
ourNewOutput.Value += contributedAmount;
var minRelayTxFee = this._dashboard.Get(network.CryptoCode).Status.BitcoinStatus?.MinRelayTxFee ??
new FeeRate(1.0m);
// Remove old signatures as they are not valid anymore
foreach (var input in newTx.Inputs)
{
input.WitScript = WitScript.Empty;
}
Money ourFeeContribution = Money.Zero;
// We need to adjust the fee to keep a constant fee rate
var txBuilder = network.NBitcoinNetwork.CreateTransactionBuilder();
var coins = psbt.Inputs.Select(i => i.GetSignableCoin())
.Concat(selectedUTXOs.Select(o => o.Value.AsCoin(derivationSchemeSettings.AccountDerivation))).ToArray();
txBuilder.AddCoins(coins);
Money expectedFee = txBuilder.EstimateFees(newTx, originalFeeRate);
Money actualFee = newTx.GetFee(txBuilder.FindSpentCoins(newTx));
Money additionalFee = expectedFee - actualFee;
if (additionalFee > Money.Zero)
{
// If the user overpaid, taking fee on our output (useful if sender dump a full UTXO for privacy)
for (int i = 0; i < newTx.Outputs.Count && additionalFee > Money.Zero && due < Money.Zero && !invoice.IsUnsetTopUp(); i++)
{
if (disableoutputsubstitution)
{
break;
}
if (isOurOutput.Contains(newTx.Outputs[i]))
{
var outputContribution = Money.Min(additionalFee, -due);
outputContribution = Money.Min(outputContribution,
newTx.Outputs[i].Value - newTx.Outputs[i].GetDustThreshold(minRelayTxFee));
newTx.Outputs[i].Value -= outputContribution;
additionalFee -= outputContribution;
due += outputContribution;
ourFeeContribution += outputContribution;
}
}
// The rest, we take from user's change
if (feeOutput != null)
{
var outputContribution = Money.Min(additionalFee, feeOutput.Value);
outputContribution = Money.Min(outputContribution,
feeOutput.Value - feeOutput.GetDustThreshold(minRelayTxFee));
outputContribution = Money.Min(outputContribution, allowedSenderFeeContribution);
feeOutput.Value -= outputContribution;
additionalFee -= outputContribution;
allowedSenderFeeContribution -= outputContribution;
}
if (additionalFee > Money.Zero)
{
// We could not pay fully the additional fee, however, as long as
// we are not under the relay fee, it should be OK.
var newVSize = txBuilder.EstimateSize(newTx, true);
var newFeePaid = newTx.GetFee(txBuilder.FindSpentCoins(newTx));
if (new FeeRate(newFeePaid, newVSize) < (senderMinFeeRate ?? minRelayTxFee))
{
return(CreatePayjoinErrorAndLog(422, PayjoinReceiverWellknownErrors.NotEnoughMoney, "Not enough money is sent to pay for the additional payjoin inputs"));
}
}
}
var accountKey = ExtKey.Parse(extKeyStr, network.NBitcoinNetwork);
var newPsbt = PSBT.FromTransaction(newTx, network.NBitcoinNetwork);
foreach (var selectedUtxo in selectedUTXOs.Select(o => o.Value))
{
var signedInput = newPsbt.Inputs.FindIndexedInput(selectedUtxo.Outpoint);
var coin = selectedUtxo.AsCoin(derivationSchemeSettings.AccountDerivation);
signedInput.UpdateFromCoin(coin);
var privateKey = accountKey.Derive(selectedUtxo.KeyPath).PrivateKey;
signedInput.PSBT.Settings.SigningOptions = new SigningOptions()
{
EnforceLowR = enforcedLowR
};
signedInput.Sign(privateKey);
signedInput.FinalizeInput();
newTx.Inputs[signedInput.Index].WitScript = newPsbt.Inputs[(int)signedInput.Index].FinalScriptWitness;
}
// Add the transaction to the payments with a confirmation of -1.
// This will make the invoice paid even if the user do not
// broadcast the payjoin.
var originalPaymentData = new BitcoinLikePaymentData(paymentAddress,
originalPaymentOutput.Value,
new OutPoint(ctx.OriginalTransaction.GetHash(), originalPaymentOutput.Index),
ctx.OriginalTransaction.RBF, paymentAddressIndex);
originalPaymentData.ConfirmationCount = -1;
originalPaymentData.PayjoinInformation = new PayjoinInformation()
{
CoinjoinTransactionHash = GetExpectedHash(newPsbt, coins),
CoinjoinValue = originalPaymentValue - ourFeeContribution,
ContributedOutPoints = selectedUTXOs.Select(o => o.Key).ToArray()
};
if (invoice != null)
{
var payment = await _invoiceRepository.AddPayment(invoice.Id, DateTimeOffset.UtcNow, originalPaymentData, network, true);
if (payment is null)
{
return(UnprocessableEntity(CreatePayjoinError("already-paid",
$"The original transaction has already been accounted")));
}
_eventAggregator.Publish(new InvoiceEvent(invoice, InvoiceEvent.ReceivedPayment)
{
Payment = payment
});
}
await _btcPayWalletProvider.GetWallet(network).SaveOffchainTransactionAsync(ctx.OriginalTransaction);
_eventAggregator.Publish(new UpdateTransactionLabel()
{
WalletId = walletId,
TransactionLabels = selectedUTXOs.GroupBy(pair => pair.Key.Hash).Select(utxo =>
new KeyValuePair <uint256, List <(string color, Label label)> >(utxo.Key,
new List <(string color, Label label)>()
{
UpdateTransactionLabel.PayjoinExposedLabelTemplate(invoice?.Id)
}))
.ToDictionary(pair => pair.Key, pair => pair.Value)
});
public async Task <IActionResult> LightningSettings(LightningSettingsViewModel vm)
{
var store = HttpContext.GetStoreData();
if (store == null)
{
return(NotFound());
}
if (vm.CryptoCode == null)
{
ModelState.AddModelError(nameof(vm.CryptoCode), "Invalid network");
return(View(vm));
}
var network = _ExplorerProvider.GetNetwork(vm.CryptoCode);
var needUpdate = false;
var blob = store.GetStoreBlob();
blob.LightningDescriptionTemplate = vm.LightningDescriptionTemplate ?? string.Empty;
blob.LightningAmountInSatoshi = vm.LightningAmountInSatoshi;
blob.LightningPrivateRouteHints = vm.LightningPrivateRouteHints;
blob.OnChainWithLnInvoiceFallback = vm.OnChainWithLnInvoiceFallback;
var disableBolt11PaymentMethod =
vm.LNURLEnabled && vm.LNURLStandardInvoiceEnabled && vm.DisableBolt11PaymentMethod;
var lnurlId = new PaymentMethodId(vm.CryptoCode, PaymentTypes.LNURLPay);
blob.SetExcluded(lnurlId, !vm.LNURLEnabled);
var lightning = GetExistingLightningSupportedPaymentMethod(vm.CryptoCode, store);
// Going to mark "lightning" as non-null here assuming that if we are POSTing here it's because we have a Lightning Node set-up
if (lightning !.DisableBOLT11PaymentOption != disableBolt11PaymentMethod)
{
needUpdate = true;
lightning.DisableBOLT11PaymentOption = disableBolt11PaymentMethod;
store.SetSupportedPaymentMethod(lightning);
}
var lnurl = GetExistingLNURLSupportedPaymentMethod(vm.CryptoCode, store);
if (lnurl is null || (
lnurl.EnableForStandardInvoices != vm.LNURLStandardInvoiceEnabled ||
lnurl.UseBech32Scheme != vm.LNURLBech32Mode ||
lnurl.LUD12Enabled != vm.LUD12Enabled))
{
needUpdate = true;
}
store.SetSupportedPaymentMethod(new LNURLPaySupportedPaymentMethod
{
CryptoCode = vm.CryptoCode,
EnableForStandardInvoices = vm.LNURLStandardInvoiceEnabled,
UseBech32Scheme = vm.LNURLBech32Mode,
LUD12Enabled = vm.LUD12Enabled
});
if (store.SetStoreBlob(blob))
{
needUpdate = true;
}
if (needUpdate)
{
await _Repo.UpdateStore(store);
TempData[WellKnownTempData.SuccessMessage] = $"{network.CryptoCode} Lightning settings successfully updated.";
}
return(RedirectToAction(nameof(LightningSettings), new { vm.StoreId, vm.CryptoCode }));
}
public async Task <StatusMessageModel> DoSpecificAction(string action, string[] payoutIds, string storeId)
{
switch (action)
{
case "mark-paid":
await using (var context = _dbContextFactory.CreateContext())
{
var payouts = (await context.Payouts
.Include(p => p.PullPaymentData)
.Include(p => p.PullPaymentData.StoreData)
.Where(p => payoutIds.Contains(p.Id))
.Where(p => p.PullPaymentData.StoreId == storeId && !p.PullPaymentData.Archived && p.State == PayoutState.AwaitingPayment)
.ToListAsync()).Where(data =>
PaymentMethodId.TryParse(data.PaymentMethodId, out var paymentMethodId) &&
CanHandle(paymentMethodId))
.Select(data => (data, ParseProof(data) as PayoutTransactionOnChainBlob)).Where(tuple => tuple.Item2 != null && tuple.Item2.TransactionId != null && tuple.Item2.Accounted == false);
foreach (var valueTuple in payouts)
{
valueTuple.Item2.Accounted = true;
valueTuple.data.State = PayoutState.InProgress;
SetProofBlob(valueTuple.data, valueTuple.Item2);
}
await context.SaveChangesAsync();
}
return(new StatusMessageModel()
{
Message = "Payout payments have been marked confirmed",
Severity = StatusMessageModel.StatusSeverity.Success
});
case "reject-payment":
await using (var context = _dbContextFactory.CreateContext())
{
var payouts = (await context.Payouts
.Include(p => p.PullPaymentData)
.Include(p => p.PullPaymentData.StoreData)
.Where(p => payoutIds.Contains(p.Id))
.Where(p => p.PullPaymentData.StoreId == storeId && !p.PullPaymentData.Archived && p.State == PayoutState.AwaitingPayment)
.ToListAsync()).Where(data =>
PaymentMethodId.TryParse(data.PaymentMethodId, out var paymentMethodId) &&
CanHandle(paymentMethodId))
.Select(data => (data, ParseProof(data) as PayoutTransactionOnChainBlob)).Where(tuple => tuple.Item2 != null && tuple.Item2.TransactionId != null && tuple.Item2.Accounted == true);
foreach (var valueTuple in payouts)
{
valueTuple.Item2.TransactionId = null;
SetProofBlob(valueTuple.data, valueTuple.Item2);
}
await context.SaveChangesAsync();
}
return(new StatusMessageModel()
{
Message = "Payout payments have been unmarked",
Severity = StatusMessageModel.StatusSeverity.Success
});
}
return(null);
}
public bool CanHandle(PaymentMethodId paymentMethod)
{
return(paymentMethod?.PaymentType == BitcoinPaymentType.Instance &&
_btcPayNetworkProvider.GetNetwork <BTCPayNetwork>(paymentMethod.CryptoCode)?.ReadonlyWallet is false);
}
public PaymentMethod GetPaymentMethod(PaymentMethodId paymentMethodId)
{
GetPaymentMethods().TryGetValue(paymentMethodId, out var data);
return(data);
}
public static void SetDefaultPaymentId(this StoreData storeData, PaymentMethodId defaultPaymentId)
{
storeData.DefaultCrypto = defaultPaymentId.ToString();
}
private async Task <PaymentModel> GetInvoiceModel(string invoiceId, PaymentMethodId paymentMethodId)
{
var invoice = await _InvoiceRepository.GetInvoice(invoiceId);
if (invoice == null)
{
return(null);
}
var store = await _StoreRepository.FindStore(invoice.StoreId);
bool isDefaultPaymentId = false;
if (paymentMethodId == null)
{
paymentMethodId = store.GetDefaultPaymentId(_NetworkProvider);
isDefaultPaymentId = true;
}
BTCPayNetworkBase network = _NetworkProvider.GetNetwork <BTCPayNetworkBase>(paymentMethodId.CryptoCode);
if (network == null && isDefaultPaymentId)
{
//TODO: need to look into a better way for this as it does not scale
network = _NetworkProvider.GetAll().OfType <BTCPayNetwork>().FirstOrDefault();
paymentMethodId = new PaymentMethodId(network.CryptoCode, PaymentTypes.BTCLike);
}
if (invoice == null || network == null)
{
return(null);
}
if (!invoice.Support(paymentMethodId))
{
if (!isDefaultPaymentId)
{
return(null);
}
var paymentMethodTemp = invoice.GetPaymentMethods()
.Where(c => paymentMethodId.CryptoCode == c.GetId().CryptoCode)
.FirstOrDefault();
if (paymentMethodTemp == null)
{
paymentMethodTemp = invoice.GetPaymentMethods().First();
}
network = paymentMethodTemp.Network;
paymentMethodId = paymentMethodTemp.GetId();
}
var paymentMethod = invoice.GetPaymentMethod(paymentMethodId);
var paymentMethodDetails = paymentMethod.GetPaymentMethodDetails();
var dto = invoice.EntityToDTO();
var cryptoInfo = dto.CryptoInfo.First(o => o.GetpaymentMethodId() == paymentMethodId);
var storeBlob = store.GetStoreBlob();
var currency = invoice.ProductInformation.Currency;
var accounting = paymentMethod.Calculate();
ChangellySettings changelly = (storeBlob.ChangellySettings != null && storeBlob.ChangellySettings.Enabled &&
storeBlob.ChangellySettings.IsConfigured())
? storeBlob.ChangellySettings
: null;
CoinSwitchSettings coinswitch = (storeBlob.CoinSwitchSettings != null && storeBlob.CoinSwitchSettings.Enabled &&
storeBlob.CoinSwitchSettings.IsConfigured())
? storeBlob.CoinSwitchSettings
: null;
var changellyAmountDue = changelly != null
? (accounting.Due.ToDecimal(MoneyUnit.BTC) *
(1m + (changelly.AmountMarkupPercentage / 100m)))
: (decimal?)null;
var paymentMethodHandler = _paymentMethodHandlerDictionary[paymentMethodId];
var model = new PaymentModel()
{
CryptoCode = network.CryptoCode,
RootPath = this.Request.PathBase.Value.WithTrailingSlash(),
OrderId = invoice.OrderId,
InvoiceId = invoice.Id,
DefaultLang = storeBlob.DefaultLang ?? "en",
HtmlTitle = storeBlob.HtmlTitle ?? "BTCPay Invoice",
CustomCSSLink = storeBlob.CustomCSS,
CustomLogoLink = storeBlob.CustomLogo,
CryptoImage = Request.GetRelativePathOrAbsolute(paymentMethodHandler.GetCryptoImage(paymentMethodId)),
BtcAddress = paymentMethodDetails.GetPaymentDestination(),
BtcDue = accounting.Due.ToString(),
OrderAmount = (accounting.TotalDue - accounting.NetworkFee).ToString(),
OrderAmountFiat = OrderAmountFromInvoice(network.CryptoCode, invoice.ProductInformation),
CustomerEmail = invoice.RefundMail,
RequiresRefundEmail = storeBlob.RequiresRefundEmail,
ShowRecommendedFee = storeBlob.ShowRecommendedFee,
FeeRate = paymentMethodDetails.GetFeeRate(),
ExpirationSeconds = Math.Max(0, (int)(invoice.ExpirationTime - DateTimeOffset.UtcNow).TotalSeconds),
MaxTimeSeconds = (int)(invoice.ExpirationTime - invoice.InvoiceTime).TotalSeconds,
MaxTimeMinutes = (int)(invoice.ExpirationTime - invoice.InvoiceTime).TotalMinutes,
ItemDesc = invoice.ProductInformation.ItemDesc,
Rate = ExchangeRate(paymentMethod),
MerchantRefLink = invoice.RedirectURL?.AbsoluteUri ?? "/",
RedirectAutomatically = invoice.RedirectAutomatically,
StoreName = store.StoreName,
PeerInfo = (paymentMethodDetails as LightningLikePaymentMethodDetails)?.NodeInfo,
TxCount = accounting.TxRequired,
BtcPaid = accounting.Paid.ToString(),
#pragma warning disable CS0618 // Type or member is obsolete
Status = invoice.StatusString,
#pragma warning restore CS0618 // Type or member is obsolete
NetworkFee = paymentMethodDetails.GetNextNetworkFee(),
IsMultiCurrency = invoice.GetPayments().Select(p => p.GetPaymentMethodId()).Concat(new[] { paymentMethod.GetId() }).Distinct().Count() > 1,
ChangellyEnabled = changelly != null,
ChangellyMerchantId = changelly?.ChangellyMerchantId,
ChangellyAmountDue = changellyAmountDue,
CoinSwitchEnabled = coinswitch != null,
CoinSwitchAmountMarkupPercentage = coinswitch?.AmountMarkupPercentage ?? 0,
CoinSwitchMerchantId = coinswitch?.MerchantId,
CoinSwitchMode = coinswitch?.Mode,
StoreId = store.Id,
AvailableCryptos = invoice.GetPaymentMethods()
.Where(i => i.Network != null)
.Select(kv =>
{
var availableCryptoPaymentMethodId = kv.GetId();
var availableCryptoHandler = _paymentMethodHandlerDictionary[availableCryptoPaymentMethodId];
return(new PaymentModel.AvailableCrypto()
{
PaymentMethodId = kv.GetId().ToString(),
CryptoCode = kv.GetId().CryptoCode,
PaymentMethodName = availableCryptoHandler.GetPaymentMethodName(availableCryptoPaymentMethodId),
IsLightning =
kv.GetId().PaymentType == PaymentTypes.LightningLike,
CryptoImage = Request.GetRelativePathOrAbsolute(availableCryptoHandler.GetCryptoImage(availableCryptoPaymentMethodId)),
Link = Url.Action(nameof(Checkout),
new
{
invoiceId = invoiceId,
paymentMethodId = kv.GetId().ToString()
})
});
}).Where(c => c.CryptoImage != "/")
.OrderByDescending(a => a.CryptoCode == "BTC").ThenBy(a => a.PaymentMethodName).ThenBy(a => a.IsLightning ? 1 : 0)
.ToList()
};
paymentMethodHandler.PreparePaymentModel(model, dto, storeBlob);
if (model.IsLightning && storeBlob.LightningAmountInSatoshi && model.CryptoCode == "Sats")
{
model.Rate = _CurrencyNameTable.DisplayFormatCurrency(paymentMethod.Rate / 100_000_000, paymentMethod.ParentEntity.ProductInformation.Currency);
}
model.UISettings = paymentMethodHandler.GetCheckoutUISettings();
model.PaymentMethodId = paymentMethodId.ToString();
var expiration = TimeSpan.FromSeconds(model.ExpirationSeconds);
model.TimeLeft = expiration.PrettyPrint();
return(model);
}
public async Task <IActionResult> GetStatus(string invoiceId, string paymentMethodId = null)
{
var model = await GetInvoiceModel(invoiceId, paymentMethodId == null?null : PaymentMethodId.Parse(paymentMethodId));
if (model == null)
{
return(NotFound());
}
return(Json(model));
}
public async Task <IActionResult> CheckoutNoScript(string invoiceId, string id = null, string paymentMethodId = null)
{
//Keep compatibility with Bitpay
invoiceId = invoiceId ?? id;
id = invoiceId;
//
var model = await GetInvoiceModel(invoiceId, paymentMethodId == null?null : PaymentMethodId.Parse(paymentMethodId));
if (model == null)
{
return(NotFound());
}
return(View(model));
}
public async Task <IActionResult> Checkout(string invoiceId, string id = null, string paymentMethodId = null,
[FromQuery] string view = null)
{
//Keep compatibility with Bitpay
invoiceId = invoiceId ?? id;
id = invoiceId;
//
var model = await GetInvoiceModel(invoiceId, paymentMethodId == null?null : PaymentMethodId.Parse(paymentMethodId));
if (model == null)
{
return(NotFound());
}
if (view == "modal")
{
model.IsModal = true;
}
_CSP.Add(new ConsentSecurityPolicy("script-src", "'unsafe-eval'")); // Needed by Vue
if (!string.IsNullOrEmpty(model.CustomCSSLink) &&
Uri.TryCreate(model.CustomCSSLink, UriKind.Absolute, out var uri))
{
_CSP.Clear();
}
if (!string.IsNullOrEmpty(model.CustomLogoLink) &&
Uri.TryCreate(model.CustomLogoLink, UriKind.Absolute, out uri))
{
_CSP.Clear();
}
return(View(nameof(Checkout), model));
}
public AddressInvoiceData Set(string address, PaymentMethodId paymentMethodId)
{
Address = address + "#" + paymentMethodId?.ToString();
return(this);
}
public static PaymentMethodId?GetDefaultPaymentId(this StoreData storeData)
{
PaymentMethodId.TryParse(storeData.DefaultCrypto, out var defaultPaymentId);
return(defaultPaymentId);
}
public async Task <IActionResult> CheckoutExperience(CheckoutExperienceViewModel model)
{
CurrencyValue lightningMaxValue = null;
if (!string.IsNullOrWhiteSpace(model.LightningMaxValue))
{
if (!CurrencyValue.TryParse(model.LightningMaxValue, out lightningMaxValue))
{
ModelState.AddModelError(nameof(model.LightningMaxValue), "Invalid lightning max value");
}
}
CurrencyValue onchainMinValue = null;
if (!string.IsNullOrWhiteSpace(model.OnChainMinValue))
{
if (!CurrencyValue.TryParse(model.OnChainMinValue, out onchainMinValue))
{
ModelState.AddModelError(nameof(model.OnChainMinValue), "Invalid on chain min value");
}
}
bool needUpdate = false;
var blob = CurrentStore.GetStoreBlob();
var defaultPaymentMethodId = model.DefaultPaymentMethod == null ? null : PaymentMethodId.Parse(model.DefaultPaymentMethod);
if (CurrentStore.GetDefaultPaymentId(_NetworkProvider) != defaultPaymentMethodId)
{
needUpdate = true;
CurrentStore.SetDefaultPaymentId(defaultPaymentMethodId);
}
SetCryptoCurrencies(model, CurrentStore);
model.SetLanguages(_LangService, model.DefaultLang);
if (!ModelState.IsValid)
{
return(View(model));
}
blob.CustomLogo = string.IsNullOrWhiteSpace(model.CustomLogo) ? null : new Uri(model.CustomLogo, UriKind.Absolute);
blob.CustomCSS = string.IsNullOrWhiteSpace(model.CustomCSS) ? null : new Uri(model.CustomCSS, UriKind.Absolute);
blob.HtmlTitle = string.IsNullOrWhiteSpace(model.HtmlTitle) ? null : model.HtmlTitle;
blob.DefaultLang = model.DefaultLang;
blob.RequiresRefundEmail = model.RequiresRefundEmail;
blob.OnChainMinValue = onchainMinValue;
blob.LightningMaxValue = lightningMaxValue;
blob.LightningAmountInSatoshi = model.LightningAmountInSatoshi;
blob.RedirectAutomatically = model.RedirectAutomatically;
if (CurrentStore.SetStoreBlob(blob))
{
needUpdate = true;
}
if (needUpdate)
{
await _Repo.UpdateStore(CurrentStore);
StatusMessage = "Store successfully updated";
}
return(RedirectToAction(nameof(CheckoutExperience), new
{
storeId = CurrentStore.Id
}));
}
#pragma warning disable CS0618
public static PaymentMethodId GetDefaultPaymentId(this StoreData storeData, BTCPayNetworkProvider networks)
{
PaymentMethodId[] paymentMethodIds = storeData.GetEnabledPaymentIds(networks);
var defaultPaymentId = string.IsNullOrEmpty(storeData.DefaultCrypto) ? null : PaymentMethodId.Parse(storeData.DefaultCrypto);
var chosen = paymentMethodIds.FirstOrDefault(f => f == defaultPaymentId) ??
paymentMethodIds.FirstOrDefault(f => f.CryptoCode == defaultPaymentId?.CryptoCode) ??
paymentMethodIds.FirstOrDefault();
return(chosen);
}
internal bool Support(PaymentMethodId paymentMethodId)
{
var rates = GetPaymentMethods(null);
return(rates.TryGet(paymentMethodId) != null);
}
private static void MarkUnassigned(string invoiceId, InvoiceEntity entity, ApplicationDbContext context, PaymentMethodId paymentMethodId)
{
foreach (var address in entity.GetPaymentMethods())
{
if (paymentMethodId != null && paymentMethodId != address.GetId())
{
continue;
}
var historical = new HistoricalAddressInvoiceData();
historical.InvoiceDataId = invoiceId;
historical.SetAddress(address.GetPaymentMethodDetails().GetPaymentDestination(), address.GetId().ToString());
historical.UnAssigned = DateTimeOffset.UtcNow;
context.Attach(historical);
context.Entry(historical).Property(o => o.UnAssigned).IsModified = true;
}
}
public PaymentMethod GetPaymentMethod(PaymentMethodId paymentMethodId, BTCPayNetworkProvider networkProvider)
{
GetPaymentMethods(networkProvider).TryGetValue(paymentMethodId, out var data);
return(data);
}
private async Task UpdatePayoutsAwaitingForPayment(NewOnChainTransactionEvent newTransaction,
AddressTrackedSource addressTrackedSource)
{
try
{
var network = _btcPayNetworkProvider.GetNetwork <BTCPayNetwork>(newTransaction.CryptoCode);
var destinationSum =
newTransaction.NewTransactionEvent.Outputs.Sum(output => output.Value.GetValue(network));
var destination = addressTrackedSource.Address.ToString();
var paymentMethodId = new PaymentMethodId(newTransaction.CryptoCode, BitcoinPaymentType.Instance);
await using var ctx = _dbContextFactory.CreateContext();
var payouts = await ctx.Payouts
.Include(o => o.PullPaymentData)
.ThenInclude(o => o.StoreData)
.Where(p => p.State == PayoutState.AwaitingPayment)
.Where(p => p.PaymentMethodId == paymentMethodId.ToString())
#pragma warning disable CA1307 // Specify StringComparison
.Where(p => destination.Equals(p.Destination))
#pragma warning restore CA1307 // Specify StringComparison
.ToListAsync();
var payoutByDestination = payouts.ToDictionary(p => p.Destination);
if (!payoutByDestination.TryGetValue(destination, out var payout))
{
return;
}
var payoutBlob = payout.GetBlob(_jsonSerializerSettings);
if (payoutBlob.CryptoAmount is null ||
// The round up here is not strictly necessary, this is temporary to fix existing payout before we
// were properly roundup the crypto amount
destinationSum !=
BTCPayServer.Extensions.RoundUp(payoutBlob.CryptoAmount.Value, network.Divisibility))
{
return;
}
var derivationSchemeSettings = payout.PullPaymentData.StoreData
.GetDerivationSchemeSettings(_btcPayNetworkProvider, newTransaction.CryptoCode).AccountDerivation;
var storeWalletMatched = (await _explorerClientProvider.GetExplorerClient(newTransaction.CryptoCode)
.GetTransactionAsync(derivationSchemeSettings,
newTransaction.NewTransactionEvent.TransactionData.TransactionHash));
//if the wallet related to the store related to the payout does not have the tx: it is external
var isInternal = storeWalletMatched is { };
var proof = ParseProof(payout) as PayoutTransactionOnChainBlob ??
new PayoutTransactionOnChainBlob()
{
Accounted = isInternal
};
var txId = newTransaction.NewTransactionEvent.TransactionData.TransactionHash;
if (!proof.Candidates.Add(txId))
{
return;
}
if (isInternal)
{
payout.State = PayoutState.InProgress;
var walletId = new WalletId(payout.PullPaymentData.StoreId, newTransaction.CryptoCode);
_eventAggregator.Publish(new UpdateTransactionLabel(walletId,
newTransaction.NewTransactionEvent.TransactionData.TransactionHash,
UpdateTransactionLabel.PayoutTemplate(payout.Id, payout.PullPaymentDataId, walletId.ToString())));
}
else
{
await _notificationSender.SendNotification(new StoreScope(payout.PullPaymentData.StoreId),
new ExternalPayoutTransactionNotification()
{
PaymentMethod = payout.PaymentMethodId,
PayoutId = payout.Id,
StoreId = payout.PullPaymentData.StoreId
});
}
proof.TransactionId ??= txId;
SetProofBlob(payout, proof);
await ctx.SaveChangesAsync();
}
catch (Exception ex)
{
Logs.PayServer.LogWarning(ex, "Error while processing a transaction in the pull payment hosted service");
}
}
public override async Task <string> IsPaymentMethodAllowedBasedOnInvoiceAmount(StoreBlob storeBlob,
Dictionary <CurrencyPair, Task <RateResult> > rate, Money amount, PaymentMethodId paymentMethodId)
{
if (storeBlob.LightningMaxValue != null)
{
var currentRateToCrypto = await rate[new CurrencyPair(paymentMethodId.CryptoCode, storeBlob.LightningMaxValue.Currency)];
if (currentRateToCrypto?.BidAsk != null)
{
var limitValueCrypto = Money.Coins(storeBlob.LightningMaxValue.Value / currentRateToCrypto.BidAsk.Bid);
if (amount > limitValueCrypto)
{
return("The amount of the invoice is too high to be paid with lightning");
}
}
}
return(string.Empty);
}
public Task <(IClaimDestination destination, string error)> ParseClaimDestination(PaymentMethodId paymentMethodId, string destination)
{
var network = _btcPayNetworkProvider.GetNetwork <BTCPayNetwork>(paymentMethodId.CryptoCode);
destination = destination.Trim();
try
{
if (destination.StartsWith($"{network.NBitcoinNetwork.UriScheme}:", StringComparison.OrdinalIgnoreCase))
{
return(Task.FromResult <(IClaimDestination, string)>((new UriClaimDestination(new BitcoinUrlBuilder(destination, network.NBitcoinNetwork)), null)));
}
return(Task.FromResult <(IClaimDestination, string)>((new AddressClaimDestination(BitcoinAddress.Create(destination, network.NBitcoinNetwork)), null)));
}
catch
{
return(Task.FromResult <(IClaimDestination, string)>(
(null, "A valid address was not provided")));
}
}
internal async Task <InvoiceEntity> CreateInvoiceCoreRaw(BitpayCreateInvoiceRequest invoice, StoreData store, string serverUrl, List <string> additionalTags = null, CancellationToken cancellationToken = default)
{
var storeBlob = store.GetStoreBlob();
var entity = _InvoiceRepository.CreateNewInvoice();
entity.ExpirationTime = invoice.ExpirationTime is DateTimeOffset v ? v : entity.InvoiceTime + storeBlob.InvoiceExpiration;
entity.MonitoringExpiration = entity.ExpirationTime + storeBlob.MonitoringExpiration;
if (entity.ExpirationTime - TimeSpan.FromSeconds(30.0) < entity.InvoiceTime)
{
throw new BitpayHttpException(400, "The expirationTime is set too soon");
}
invoice.Currency = invoice.Currency?.Trim().ToUpperInvariant() ?? "USD";
entity.Metadata.OrderId = invoice.OrderId;
entity.Metadata.PosData = invoice.PosData;
entity.ServerUrl = serverUrl;
entity.FullNotifications = invoice.FullNotifications || invoice.ExtendedNotifications;
entity.ExtendedNotifications = invoice.ExtendedNotifications;
entity.NotificationURLTemplate = invoice.NotificationURL;
entity.NotificationEmail = invoice.NotificationEmail;
if (additionalTags != null)
{
entity.InternalTags.AddRange(additionalTags);
}
FillBuyerInfo(invoice, entity);
var taxIncluded = invoice.TaxIncluded.HasValue ? invoice.TaxIncluded.Value : 0m;
var price = invoice.Price;
entity.Metadata.ItemCode = invoice.ItemCode;
entity.Metadata.ItemDesc = invoice.ItemDesc;
entity.Metadata.Physical = invoice.Physical;
entity.Metadata.TaxIncluded = invoice.TaxIncluded;
entity.Currency = invoice.Currency;
entity.Price = price;
entity.RedirectURLTemplate = invoice.RedirectURL ?? store.StoreWebsite;
entity.RedirectAutomatically =
invoice.RedirectAutomatically.GetValueOrDefault(storeBlob.RedirectAutomatically);
entity.SpeedPolicy = ParseSpeedPolicy(invoice.TransactionSpeed, store.SpeedPolicy);
IPaymentFilter excludeFilter = null;
if (invoice.PaymentCurrencies?.Any() is true)
{
invoice.SupportedTransactionCurrencies ??=
new Dictionary <string, InvoiceSupportedTransactionCurrency>();
foreach (string paymentCurrency in invoice.PaymentCurrencies)
{
invoice.SupportedTransactionCurrencies.TryAdd(paymentCurrency,
new InvoiceSupportedTransactionCurrency()
{
Enabled = true
});
}
}
if (invoice.SupportedTransactionCurrencies != null && invoice.SupportedTransactionCurrencies.Count != 0)
{
var supportedTransactionCurrencies = invoice.SupportedTransactionCurrencies
.Where(c => c.Value.Enabled)
.Select(c => PaymentMethodId.TryParse(c.Key, out var p) ? p : null)
.Where(c => c != null)
.ToHashSet();
excludeFilter = PaymentFilter.Where(p => !supportedTransactionCurrencies.Contains(p));
}
entity.PaymentTolerance = storeBlob.PaymentTolerance;
return(await CreateInvoiceCoreRaw(entity, store, excludeFilter, null, cancellationToken));
}
public async Task <IActionResult> SetupLightningNode(string storeId, LightningNodeViewModel vm, string command, string cryptoCode)
{
vm.CryptoCode = cryptoCode;
var store = HttpContext.GetStoreData();
if (store == null)
{
return(NotFound());
}
vm.CanUseInternalNode = await CanUseInternalLightning();
if (vm.CryptoCode == null)
{
ModelState.AddModelError(nameof(vm.CryptoCode), "Invalid network");
return(View(vm));
}
var network = _ExplorerProvider.GetNetwork(vm.CryptoCode);
var paymentMethodId = new PaymentMethodId(network.CryptoCode, PaymentTypes.LightningLike);
LightningSupportedPaymentMethod?paymentMethod = null;
if (vm.LightningNodeType == LightningNodeType.Internal)
{
if (!await CanUseInternalLightning())
{
ModelState.AddModelError(nameof(vm.ConnectionString), "You are not authorized to use the internal lightning node");
return(View(vm));
}
paymentMethod = new LightningSupportedPaymentMethod
{
CryptoCode = paymentMethodId.CryptoCode
};
paymentMethod.SetInternalNode();
}
else
{
if (string.IsNullOrEmpty(vm.ConnectionString))
{
ModelState.AddModelError(nameof(vm.ConnectionString), "Please provide a connection string");
return(View(vm));
}
if (!LightningConnectionString.TryParse(vm.ConnectionString, false, out var connectionString, out var error))
{
ModelState.AddModelError(nameof(vm.ConnectionString), $"Invalid URL ({error})");
return(View(vm));
}
if (connectionString.ConnectionType == LightningConnectionType.LndGRPC)
{
ModelState.AddModelError(nameof(vm.ConnectionString), $"GRSPay does not support gRPC connections");
return(View(vm));
}
if (!User.IsInRole(Roles.ServerAdmin) && !connectionString.IsSafe())
{
ModelState.AddModelError(nameof(vm.ConnectionString), "You are not a server admin, so the connection string should not contain 'cookiefilepath', 'macaroondirectorypath', 'macaroonfilepath', and should not point to a local ip or to a dns name ending with '.internal', '.local', '.lan' or '.'.");
return(View(vm));
}
paymentMethod = new LightningSupportedPaymentMethod
{
CryptoCode = paymentMethodId.CryptoCode
};
paymentMethod.SetLightningUrl(connectionString);
}
switch (command)
{
case "save":
var lnurl = new PaymentMethodId(vm.CryptoCode, PaymentTypes.LNURLPay);
store.SetSupportedPaymentMethod(paymentMethodId, paymentMethod);
store.SetSupportedPaymentMethod(lnurl, new LNURLPaySupportedPaymentMethod()
{
CryptoCode = vm.CryptoCode,
UseBech32Scheme = true,
EnableForStandardInvoices = false,
LUD12Enabled = false
});
await _Repo.UpdateStore(store);
TempData[WellKnownTempData.SuccessMessage] = $"{network.CryptoCode} Lightning node updated.";
return(RedirectToAction(nameof(LightningSettings), new { storeId, cryptoCode }));
case "test":
var handler = _ServiceProvider.GetRequiredService <LightningLikePaymentHandler>();
try
{
var info = await handler.GetNodeInfo(paymentMethod, network, new InvoiceLogs(), Request.IsOnion(), true);
if (!vm.SkipPortTest)
{
using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(20));
await handler.TestConnection(info.First(), cts.Token);
}
TempData[WellKnownTempData.SuccessMessage] = $"Connection to the Lightning node successful. Your node address: {info.First()}";
}
catch (Exception ex)
{
TempData[WellKnownTempData.ErrorMessage] = ex.Message;
return(View(vm));
}
return(View(vm));
default:
return(View(vm));
}
}
public override string GetPaymentMethodName(PaymentMethodId paymentMethodId)
{
var network = _networkProvider.GetNetwork <BTCPayNetwork>(paymentMethodId.CryptoCode);
return(GetPaymentMethodName(network));
}
public InvoiceNewPaymentDetailsEvent(string invoiceId, IPaymentMethodDetails details, PaymentMethodId paymentMethodId)
{
InvoiceId = invoiceId;
Details = details;
PaymentMethodId = paymentMethodId;
}
public async Task <IActionResult> GetLNURLForApp(string cryptoCode, string appId, string itemCode = null)
{
var network = _btcPayNetworkProvider.GetNetwork <BTCPayNetwork>(cryptoCode);
if (network is null || !network.SupportLightning)
{
return(NotFound());
}
var app = await _appService.GetApp(appId, null, true);
if (app is null)
{
return(NotFound());
}
var store = app.StoreData;
if (store is null)
{
return(NotFound());
}
if (string.IsNullOrEmpty(itemCode))
{
return(NotFound());
}
var pmi = new PaymentMethodId(cryptoCode, PaymentTypes.LNURLPay);
var lnpmi = new PaymentMethodId(cryptoCode, PaymentTypes.LightningLike);
var methods = store.GetSupportedPaymentMethods(_btcPayNetworkProvider);
var lnUrlMethod =
methods.FirstOrDefault(method => method.PaymentId == pmi) as LNURLPaySupportedPaymentMethod;
var lnMethod = methods.FirstOrDefault(method => method.PaymentId == lnpmi);
if (lnUrlMethod is null || lnMethod is null)
{
return(NotFound());
}
ViewPointOfSaleViewModel.Item[] items = null;
string currencyCode = null;
switch (app.AppType)
{
case nameof(AppType.Crowdfund):
var cfS = app.GetSettings <CrowdfundSettings>();
currencyCode = cfS.TargetCurrency;
items = _appService.Parse(cfS.PerksTemplate, cfS.TargetCurrency);
break;
case nameof(AppType.PointOfSale):
var posS = app.GetSettings <UIAppsController.PointOfSaleSettings>();
currencyCode = posS.Currency;
items = _appService.Parse(posS.Template, posS.Currency);
break;
}
var item = items.FirstOrDefault(item1 =>
item1.Id.Equals(itemCode, StringComparison.InvariantCultureIgnoreCase));
if (item is null ||
item.Inventory <= 0 ||
(item.PaymentMethods?.Any() is true &&
item.PaymentMethods?.Any(s => PaymentMethodId.Parse(s) == pmi) is false))
{
return(NotFound());
}
return(await GetLNURL(cryptoCode, app.StoreDataId, currencyCode, null, null,
() => (null, new List <string> {
AppService.GetAppInternalTag(appId)
}, item.Price.Value, true)));
}
internal async Task <DataWrapper <InvoiceResponse> > CreateInvoiceCore(CreateInvoiceRequest invoice, StoreData store, string serverUrl, List <string> additionalTags = null, CancellationToken cancellationToken = default)
{
invoice.Currency = invoice.Currency?.ToUpperInvariant() ?? "USD";
InvoiceLogs logs = new InvoiceLogs();
logs.Write("Creation of invoice starting");
var entity = _InvoiceRepository.CreateNewInvoice();
var getAppsTaggingStore = _InvoiceRepository.GetAppsTaggingStore(store.Id);
var storeBlob = store.GetStoreBlob();
EmailAddressAttribute emailValidator = new EmailAddressAttribute();
entity.ExpirationTime = invoice.ExpirationTime is DateTimeOffset v ? v : entity.InvoiceTime.AddMinutes(storeBlob.InvoiceExpiration);
if (entity.ExpirationTime - TimeSpan.FromSeconds(30.0) < entity.InvoiceTime)
{
throw new BitpayHttpException(400, "The expirationTime is set too soon");
}
entity.MonitoringExpiration = entity.ExpirationTime + TimeSpan.FromMinutes(storeBlob.MonitoringExpiration);
entity.OrderId = invoice.OrderId;
entity.ServerUrl = serverUrl;
entity.FullNotifications = invoice.FullNotifications || invoice.ExtendedNotifications;
entity.ExtendedNotifications = invoice.ExtendedNotifications;
entity.NotificationURLTemplate = invoice.NotificationURL;
entity.NotificationEmail = invoice.NotificationEmail;
entity.BuyerInformation = Map <CreateInvoiceRequest, BuyerInformation>(invoice);
entity.PaymentTolerance = storeBlob.PaymentTolerance;
if (additionalTags != null)
{
entity.InternalTags.AddRange(additionalTags);
}
//Another way of passing buyer info to support
FillBuyerInfo(invoice.Buyer, entity.BuyerInformation);
if (entity?.BuyerInformation?.BuyerEmail != null)
{
if (!EmailValidator.IsEmail(entity.BuyerInformation.BuyerEmail))
{
throw new BitpayHttpException(400, "Invalid email");
}
entity.RefundMail = entity.BuyerInformation.BuyerEmail;
}
var taxIncluded = invoice.TaxIncluded.HasValue ? invoice.TaxIncluded.Value : 0m;
var currencyInfo = _CurrencyNameTable.GetNumberFormatInfo(invoice.Currency, false);
if (currencyInfo != null)
{
int divisibility = currencyInfo.CurrencyDecimalDigits;
invoice.Price = invoice.Price.RoundToSignificant(ref divisibility);
divisibility = currencyInfo.CurrencyDecimalDigits;
invoice.TaxIncluded = taxIncluded.RoundToSignificant(ref divisibility);
}
invoice.Price = Math.Max(0.0m, invoice.Price);
invoice.TaxIncluded = Math.Max(0.0m, taxIncluded);
invoice.TaxIncluded = Math.Min(taxIncluded, invoice.Price);
entity.ProductInformation = Map <CreateInvoiceRequest, ProductInformation>(invoice);
entity.RedirectURLTemplate = invoice.RedirectURL ?? store.StoreWebsite;
entity.RedirectAutomatically =
invoice.RedirectAutomatically.GetValueOrDefault(storeBlob.RedirectAutomatically);
entity.Status = InvoiceStatus.New;
entity.SpeedPolicy = ParseSpeedPolicy(invoice.TransactionSpeed, store.SpeedPolicy);
HashSet <CurrencyPair> currencyPairsToFetch = new HashSet <CurrencyPair>();
var rules = storeBlob.GetRateRules(_NetworkProvider);
var excludeFilter = storeBlob.GetExcludedPaymentMethods(); // Here we can compose filters from other origin with PaymentFilter.Any()
if (invoice.PaymentCurrencies?.Any() is true)
{
foreach (string paymentCurrency in invoice.PaymentCurrencies)
{
invoice.SupportedTransactionCurrencies.TryAdd(paymentCurrency,
new InvoiceSupportedTransactionCurrency()
{
Enabled = true
});
}
}
if (invoice.SupportedTransactionCurrencies != null && invoice.SupportedTransactionCurrencies.Count != 0)
{
var supportedTransactionCurrencies = invoice.SupportedTransactionCurrencies
.Where(c => c.Value.Enabled)
.Select(c => PaymentMethodId.TryParse(c.Key, out var p) ? p : null)
.ToHashSet();
excludeFilter = PaymentFilter.Or(excludeFilter,
PaymentFilter.Where(p => !supportedTransactionCurrencies.Contains(p)));
}
foreach (var network in store.GetSupportedPaymentMethods(_NetworkProvider)
.Where(s => !excludeFilter.Match(s.PaymentId))
.Select(c => _NetworkProvider.GetNetwork <BTCPayNetworkBase>(c.PaymentId.bitcoinCode))
.Where(c => c != null))
{
currencyPairsToFetch.Add(new CurrencyPair(network.bitcoinCode, invoice.Currency));
//TODO: abstract
if (storeBlob.LightningMaxValue != null)
{
currencyPairsToFetch.Add(new CurrencyPair(network.bitcoinCode, storeBlob.LightningMaxValue.Currency));
}
if (storeBlob.OnChainMinValue != null)
{
currencyPairsToFetch.Add(new CurrencyPair(network.bitcoinCode, storeBlob.OnChainMinValue.Currency));
}
}
var rateRules = storeBlob.GetRateRules(_NetworkProvider);
var fetchingByCurrencyPair = _RateProvider.FetchRates(currencyPairsToFetch, rateRules, cancellationToken);
var fetchingAll = WhenAllFetched(logs, fetchingByCurrencyPair);
var supportedPaymentMethods = store.GetSupportedPaymentMethods(_NetworkProvider)
.Where(s => !excludeFilter.Match(s.PaymentId) && _paymentMethodHandlerDictionary.Support(s.PaymentId))
.Select(c =>
(Handler: _paymentMethodHandlerDictionary[c.PaymentId],
SupportedPaymentMethod: c,
Network: _NetworkProvider.GetNetwork <BTCPayNetworkBase>(c.PaymentId.bitcoinCode)))
.Where(c => c.Network != null)
.Select(o =>
(SupportedPaymentMethod: o.SupportedPaymentMethod,
PaymentMethod: CreatePaymentMethodAsync(fetchingByCurrencyPair, o.Handler, o.SupportedPaymentMethod, o.Network, entity, store, logs)))
.ToList();
List <ISupportedPaymentMethod> supported = new List <ISupportedPaymentMethod>();
var paymentMethods = new PaymentMethodDictionary();
foreach (var o in supportedPaymentMethods)
{
var paymentMethod = await o.PaymentMethod;
if (paymentMethod == null)
{
continue;
}
supported.Add(o.SupportedPaymentMethod);
paymentMethods.Add(paymentMethod);
}
if (supported.Count == 0)
{
StringBuilder errors = new StringBuilder();
if (!store.GetSupportedPaymentMethods(_NetworkProvider).Any())
{
errors.AppendLine("Warning: No wallet has been linked to your BTCPay Store. See the following link for more information on how to connect your store and wallet. (https://docs.btcpayserver.org/WalletSetup/)");
}
foreach (var error in logs.ToList())
{
errors.AppendLine(error.ToString());
}
throw new BitpayHttpException(400, errors.ToString());
}
entity.SetSupportedPaymentMethods(supported);
entity.SetPaymentMethods(paymentMethods);
entity.PosData = invoice.PosData;
foreach (var app in await getAppsTaggingStore)
{
entity.InternalTags.Add(AppService.GetAppInternalTag(app.Id));
}
using (logs.Measure("Saving invoice"))
{
entity = await _InvoiceRepository.CreateInvoiceAsync(store.Id, entity);
}
_ = Task.Run(async() =>
{
try
{
await fetchingAll;
}
catch (AggregateException ex)
{
ex.Handle(e => { logs.Write($"Error while fetching rates {ex}"); return(true); });
}
await _InvoiceRepository.AddInvoiceLogs(entity.Id, logs);
});
_EventAggregator.Publish(new Events.InvoiceEvent(entity, 1001, InvoiceEvent.Created));
var resp = entity.EntityToDTO();
return(new DataWrapper <InvoiceResponse>(resp)
{
Facade = "pos/invoice"
});
}
/// <summary>
/// Return service information.
/// This API returns merchant info and all the available payment options per country for a given service.
/// This is an important API if you want to build your own payment screens.
/// </summary>
/// <param name="paymentMethodId">Paymentmethod ID</param>
/// <returns>FUll response with all service information</returns>
public static PAYNLSDK.API.Transaction.GetService.Response GetService(PaymentMethodId? paymentMethodId)
{
TransactionGetService request = new TransactionGetService();
request.PaymentMethodId = paymentMethodId;
Client c = new Client();
c.PerformRequest(request);
return request.Response;
}
public static PaymentMethodId GetPaymentMethodId(this PayoutData data)
{
return(PaymentMethodId.TryParse(data.PaymentMethodId, out var paymentMethodId) ? paymentMethodId : null);
}
