public static PaymentMethod GetNearestClearedPayment(PaymentMethodDictionary allPaymentMethods, out PaymentMethodAccounting accounting)
{
PaymentMethod result = null;
accounting = null;
decimal nearestToZero = 0.0m;
foreach (var paymentMethod in allPaymentMethods)
{
var currentAccounting = paymentMethod.Calculate();
var distanceFromZero = Math.Abs(currentAccounting.DueUncapped.ToDecimal(MoneyUnit.BTC));
if (result == null || distanceFromZero < nearestToZero)
{
result = paymentMethod;
nearestToZero = distanceFromZero;
accounting = currentAccounting;
}
}
return(result);
}
public static PaymentMethod GetNearestClearedPayment(PaymentMethodDictionary allPaymentMethods, out PaymentMethodAccounting accounting, BTCPayNetworkProvider networkProvider)
{
PaymentMethod result = null;
accounting = null;
decimal nearestToZero = 0.0m;
foreach (var paymentMethod in allPaymentMethods)
{
if (networkProvider != null && networkProvider.GetNetwork(paymentMethod.GetId().CryptoCode) == null)
{
continue;
}
var currentAccounting = paymentMethod.Calculate();
var distanceFromZero = Math.Abs(currentAccounting.DueUncapped.ToDecimal(MoneyUnit.BTC));
if (result == null || distanceFromZero < nearestToZero)
{
result = paymentMethod;
nearestToZero = distanceFromZero;
accounting = currentAccounting;
}
}
return(result);
}
internal async Task <DataWrapper <InvoiceResponse> > CreateInvoiceCore(CreateInvoiceRequest invoice, StoreData store, string serverUrl, List <string> additionalTags = null, CancellationToken cancellationToken = default)
{
if (!store.HasClaim(Policies.CanCreateInvoice.Key))
{
throw new UnauthorizedAccessException();
}
InvoiceLogs logs = new InvoiceLogs();
logs.Write("Creation of invoice starting");
var entity = new InvoiceEntity
{
Version = InvoiceEntity.Lastest_Version,
InvoiceTime = DateTimeOffset.UtcNow,
Networks = _NetworkProvider
};
var getAppsTaggingStore = _InvoiceRepository.GetAppsTaggingStore(store.Id);
var storeBlob = store.GetStoreBlob();
EmailAddressAttribute emailValidator = new EmailAddressAttribute();
entity.ExpirationTime = entity.InvoiceTime.AddMinutes(storeBlob.InvoiceExpiration);
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;
if (invoice.NotificationURL != null &&
Uri.TryCreate(invoice.NotificationURL, UriKind.Absolute, out var notificationUri) &&
(notificationUri.Scheme == "http" || notificationUri.Scheme == "https"))
{
entity.NotificationURL = notificationUri.AbsoluteUri;
}
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.RedirectURL = invoice.RedirectURL ?? store.StoreWebsite;
if (!Uri.IsWellFormedUriString(entity.RedirectURL, UriKind.Absolute))
{
entity.RedirectURL = null;
}
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.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(c.PaymentId.CryptoCode))
.Where(c => c != null))
{
currencyPairsToFetch.Add(new CurrencyPair(network.CryptoCode, invoice.Currency));
if (storeBlob.LightningMaxValue != null)
{
currencyPairsToFetch.Add(new CurrencyPair(network.CryptoCode, storeBlob.LightningMaxValue.Currency));
}
if (storeBlob.OnChainMinValue != null)
{
currencyPairsToFetch.Add(new CurrencyPair(network.CryptoCode, 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))
.Select(c =>
(Handler: (IPaymentMethodHandler)_ServiceProvider.GetService(typeof(IPaymentMethodHandler <>).MakeGenericType(c.GetType())),
SupportedPaymentMethod: c,
Network: _NetworkProvider.GetNetwork(c.PaymentId.CryptoCode)))
.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();
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/btcpay-basics/gettingstarted#connecting-btcpay-store-to-your-wallet)");
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"
});
}
internal async Task <InvoiceEntity> CreateInvoiceCoreRaw(InvoiceEntity entity, StoreData store, IPaymentFilter?invoicePaymentMethodFilter, string[]?additionalSearchTerms = null, CancellationToken cancellationToken = default)
{
InvoiceLogs logs = new InvoiceLogs();
logs.Write("Creation of invoice starting", InvoiceEventData.EventSeverity.Info);
var storeBlob = store.GetStoreBlob();
if (string.IsNullOrEmpty(entity.Currency))
{
entity.Currency = storeBlob.DefaultCurrency;
}
entity.Currency = entity.Currency.Trim().ToUpperInvariant();
entity.Price = Math.Max(0.0m, entity.Price);
var currencyInfo = _CurrencyNameTable.GetNumberFormatInfo(entity.Currency, false);
if (currencyInfo != null)
{
entity.Price = entity.Price.RoundToSignificant(currencyInfo.CurrencyDecimalDigits);
}
if (entity.Metadata.TaxIncluded is decimal taxIncluded)
{
if (currencyInfo != null)
{
taxIncluded = taxIncluded.RoundToSignificant(currencyInfo.CurrencyDecimalDigits);
}
taxIncluded = Math.Max(0.0m, taxIncluded);
taxIncluded = Math.Min(taxIncluded, entity.Price);
entity.Metadata.TaxIncluded = taxIncluded;
}
var getAppsTaggingStore = _InvoiceRepository.GetAppsTaggingStore(store.Id);
if (entity.Metadata.BuyerEmail != null)
{
if (!EmailValidator.IsEmail(entity.Metadata.BuyerEmail))
{
throw new BitpayHttpException(400, "Invalid email");
}
entity.RefundMail = entity.Metadata.BuyerEmail;
}
entity.Status = InvoiceStatusLegacy.New;
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 (invoicePaymentMethodFilter != null)
{
excludeFilter = PaymentFilter.Or(excludeFilter,
invoicePaymentMethodFilter);
}
foreach (var network in store.GetSupportedPaymentMethods(_NetworkProvider)
.Where(s => !excludeFilter.Match(s.PaymentId))
.Select(c => _NetworkProvider.GetNetwork <BTCPayNetworkBase>(c.PaymentId.CryptoCode))
.Where(c => c != null))
{
currencyPairsToFetch.Add(new CurrencyPair(network.CryptoCode, entity.Currency));
foreach (var paymentMethodCriteria in storeBlob.PaymentMethodCriteria)
{
if (paymentMethodCriteria.Value != null)
{
currencyPairsToFetch.Add(new CurrencyPair(network.CryptoCode, paymentMethodCriteria.Value.Currency));
}
}
}
var rateRules = storeBlob.GetRateRules(_NetworkProvider);
var fetchingByCurrencyPair = _RateProvider.FetchRates(currencyPairsToFetch, rateRules, cancellationToken);
var fetchingAll = WhenAllFetched(logs, fetchingByCurrencyPair);
List <ISupportedPaymentMethod> supported = new List <ISupportedPaymentMethod>();
var paymentMethods = new PaymentMethodDictionary();
bool noNeedForMethods = entity.Type != InvoiceType.TopUp && entity.Price == 0m;
if (!noNeedForMethods)
{
// This loop ends with .ToList so we are querying all payment methods at once
// instead of sequentially to improve response time
foreach (var o in 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.CryptoCode)))
.Where(c => c.Network != null)
.Select(o =>
(SupportedPaymentMethod: o.SupportedPaymentMethod,
PaymentMethod: CreatePaymentMethodAsync(fetchingByCurrencyPair, o.Handler,
o.SupportedPaymentMethod, o.Network, entity, store, logs)))
.ToList())
{
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);
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, additionalSearchTerms);
}
_ = Task.Run(async() =>
{
try
{
await fetchingAll;
}
catch (AggregateException ex)
{
ex.Handle(e => { logs.Write($"Error while fetching rates {ex}", InvoiceEventData.EventSeverity.Error); return(true); });
}
await _InvoiceRepository.AddInvoiceLogs(entity.Id, logs);
});
_EventAggregator.Publish(new Events.InvoiceEvent(entity, InvoiceEvent.Created));
return(entity);
}
internal async Task <DataWrapper <InvoiceResponse> > CreateInvoiceCore(Invoice invoice, StoreData store, string serverUrl)
{
if (!store.HasClaim(Policies.CanCreateInvoice.Key))
{
throw new UnauthorizedAccessException();
}
InvoiceLogs logs = new InvoiceLogs();
logs.Write("Creation of invoice starting");
var entity = new InvoiceEntity
{
InvoiceTime = DateTimeOffset.UtcNow
};
var storeBlob = store.GetStoreBlob();
Uri notificationUri = Uri.IsWellFormedUriString(invoice.NotificationURL, UriKind.Absolute) ? new Uri(invoice.NotificationURL, UriKind.Absolute) : null;
if (notificationUri == null || (notificationUri.Scheme != "http" && notificationUri.Scheme != "https")) //TODO: Filer non routable addresses ?
{
notificationUri = null;
}
EmailAddressAttribute emailValidator = new EmailAddressAttribute();
entity.ExpirationTime = entity.InvoiceTime.AddMinutes(storeBlob.InvoiceExpiration);
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.NotificationURL = notificationUri?.AbsoluteUri;
entity.NotificationEmail = invoice.NotificationEmail;
entity.BuyerInformation = Map <Invoice, BuyerInformation>(invoice);
entity.PaymentTolerance = storeBlob.PaymentTolerance;
//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;
}
entity.ProductInformation = Map <Invoice, ProductInformation>(invoice);
entity.RedirectURL = invoice.RedirectURL ?? store.StoreWebsite;
if (!Uri.IsWellFormedUriString(entity.RedirectURL, UriKind.Absolute))
{
entity.RedirectURL = null;
}
entity.Status = "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()
foreach (var network in store.GetSupportedPaymentMethods(_NetworkProvider)
.Where(s => !excludeFilter.Match(s.PaymentId))
.Select(c => _NetworkProvider.GetNetwork(c.PaymentId.CryptoCode))
.Where(c => c != null))
{
currencyPairsToFetch.Add(new CurrencyPair(network.CryptoCode, invoice.Currency));
if (storeBlob.LightningMaxValue != null)
{
currencyPairsToFetch.Add(new CurrencyPair(network.CryptoCode, storeBlob.LightningMaxValue.Currency));
}
if (storeBlob.OnChainMinValue != null)
{
currencyPairsToFetch.Add(new CurrencyPair(network.CryptoCode, storeBlob.OnChainMinValue.Currency));
}
}
var rateRules = storeBlob.GetRateRules(_NetworkProvider);
var fetchingByCurrencyPair = _RateProvider.FetchRates(currencyPairsToFetch, rateRules);
var fetchingAll = WhenAllFetched(logs, fetchingByCurrencyPair);
var supportedPaymentMethods = store.GetSupportedPaymentMethods(_NetworkProvider)
.Where(s => !excludeFilter.Match(s.PaymentId))
.Select(c =>
(Handler: (IPaymentMethodHandler)_ServiceProvider.GetService(typeof(IPaymentMethodHandler <>).MakeGenericType(c.GetType())),
SupportedPaymentMethod: c,
Network: _NetworkProvider.GetNetwork(c.PaymentId.CryptoCode)))
.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();
errors.AppendLine("No payment method available for this store");
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;
entity = await _InvoiceRepository.CreateInvoiceAsync(store.Id, entity, logs, _NetworkProvider);
await fetchingAll;
_EventAggregator.Publish(new Events.InvoiceEvent(entity.EntityToDTO(_NetworkProvider), 1001, "invoice_created"));
var resp = entity.EntityToDTO(_NetworkProvider);
return(new DataWrapper <InvoiceResponse>(resp)
{
Facade = "pos/invoice"
});
}
public void CanCalculateCryptoDue2()
{
var dummy = new Key().PubKey.GetAddress(Network.RegTest).ToString();
#pragma warning disable CS0618
InvoiceEntity invoiceEntity = new InvoiceEntity();
invoiceEntity.Payments = new System.Collections.Generic.List <PaymentEntity>();
invoiceEntity.ProductInformation = new ProductInformation()
{
Price = 100
};
PaymentMethodDictionary paymentMethods = new PaymentMethodDictionary();
paymentMethods.Add(new PaymentMethod()
{
CryptoCode = "BTC",
Rate = 10513.44m,
}.SetPaymentMethodDetails(new BTCPayServer.Payments.Bitcoin.BitcoinLikeOnChainPaymentMethod()
{
TxFee = Money.Coins(0.00000100m),
DepositAddress = dummy
}));
paymentMethods.Add(new PaymentMethod()
{
CryptoCode = "LTC",
Rate = 216.79m
}.SetPaymentMethodDetails(new BTCPayServer.Payments.Bitcoin.BitcoinLikeOnChainPaymentMethod()
{
TxFee = Money.Coins(0.00010000m),
DepositAddress = dummy
}));
invoiceEntity.SetPaymentMethods(paymentMethods);
var btc = invoiceEntity.GetPaymentMethod(new PaymentMethodId("BTC", PaymentTypes.BTCLike), null);
var accounting = btc.Calculate();
invoiceEntity.Payments.Add(new PaymentEntity()
{
Accounted = true, CryptoCode = "BTC"
}.SetCryptoPaymentData(new BitcoinLikePaymentData()
{
Output = new TxOut()
{
Value = Money.Coins(0.00151263m)
}
}));
accounting = btc.Calculate();
invoiceEntity.Payments.Add(new PaymentEntity()
{
Accounted = true, CryptoCode = "BTC"
}.SetCryptoPaymentData(new BitcoinLikePaymentData()
{
Output = new TxOut()
{
Value = accounting.Due
}
}));
accounting = btc.Calculate();
Assert.Equal(Money.Zero, accounting.Due);
Assert.Equal(Money.Zero, accounting.DueUncapped);
var ltc = invoiceEntity.GetPaymentMethod(new PaymentMethodId("LTC", PaymentTypes.BTCLike), null);
accounting = ltc.Calculate();
Assert.Equal(Money.Zero, accounting.Due);
// LTC might have over paid due to BTC paying above what it should (round 1 satoshi up)
Assert.True(accounting.DueUncapped < Money.Zero);
var paymentMethod = InvoiceWatcher.GetNearestClearedPayment(paymentMethods, out var accounting2, null);
Assert.Equal(btc.CryptoCode, paymentMethod.CryptoCode);
#pragma warning restore CS0618
}
public void CanCalculateCryptoDue()
{
var entity = new InvoiceEntity();
#pragma warning disable CS0618
entity.TxFee = Money.Coins(0.1m);
entity.Rate = 5000;
entity.Payments = new System.Collections.Generic.List <PaymentEntity>();
entity.ProductInformation = new ProductInformation()
{
Price = 5000
};
// Some check that handling legacy stuff does not break things
var paymentMethod = entity.GetPaymentMethods(null, true).TryGet("BTC", PaymentTypes.BTCLike);
paymentMethod.Calculate();
Assert.NotNull(paymentMethod);
Assert.Null(entity.GetPaymentMethods(null, false).TryGet("BTC", PaymentTypes.BTCLike));
entity.SetPaymentMethod(new PaymentMethod()
{
ParentEntity = entity, Rate = entity.Rate, CryptoCode = "BTC", TxFee = entity.TxFee
});
Assert.NotNull(entity.GetPaymentMethods(null, false).TryGet("BTC", PaymentTypes.BTCLike));
Assert.NotNull(entity.GetPaymentMethods(null, true).TryGet("BTC", PaymentTypes.BTCLike));
////////////////////
var accounting = paymentMethod.Calculate();
Assert.Equal(Money.Coins(1.1m), accounting.Due);
Assert.Equal(Money.Coins(1.1m), accounting.TotalDue);
entity.Payments.Add(new PaymentEntity()
{
Output = new TxOut(Money.Coins(0.5m), new Key()), Accounted = true
});
accounting = paymentMethod.Calculate();
//Since we need to spend one more txout, it should be 1.1 - 0,5 + 0.1
Assert.Equal(Money.Coins(0.7m), accounting.Due);
Assert.Equal(Money.Coins(1.2m), accounting.TotalDue);
entity.Payments.Add(new PaymentEntity()
{
Output = new TxOut(Money.Coins(0.2m), new Key()), Accounted = true
});
accounting = paymentMethod.Calculate();
Assert.Equal(Money.Coins(0.6m), accounting.Due);
Assert.Equal(Money.Coins(1.3m), accounting.TotalDue);
entity.Payments.Add(new PaymentEntity()
{
Output = new TxOut(Money.Coins(0.6m), new Key()), Accounted = true
});
accounting = paymentMethod.Calculate();
Assert.Equal(Money.Zero, accounting.Due);
Assert.Equal(Money.Coins(1.3m), accounting.TotalDue);
entity.Payments.Add(new PaymentEntity()
{
Output = new TxOut(Money.Coins(0.2m), new Key()), Accounted = true
});
accounting = paymentMethod.Calculate();
Assert.Equal(Money.Zero, accounting.Due);
Assert.Equal(Money.Coins(1.3m), accounting.TotalDue);
entity = new InvoiceEntity();
entity.ProductInformation = new ProductInformation()
{
Price = 5000
};
PaymentMethodDictionary paymentMethods = new PaymentMethodDictionary();
paymentMethods.Add(new PaymentMethod()
{
CryptoCode = "BTC",
Rate = 1000,
TxFee = Money.Coins(0.1m)
});
paymentMethods.Add(new PaymentMethod()
{
CryptoCode = "LTC",
Rate = 500,
TxFee = Money.Coins(0.01m)
});
entity.SetPaymentMethods(paymentMethods);
entity.Payments = new List <PaymentEntity>();
paymentMethod = entity.GetPaymentMethod(new PaymentMethodId("BTC", PaymentTypes.BTCLike), null);
accounting = paymentMethod.Calculate();
Assert.Equal(Money.Coins(5.1m), accounting.Due);
paymentMethod = entity.GetPaymentMethod(new PaymentMethodId("LTC", PaymentTypes.BTCLike), null);
accounting = paymentMethod.Calculate();
Assert.Equal(Money.Coins(10.01m), accounting.TotalDue);
entity.Payments.Add(new PaymentEntity()
{
CryptoCode = "BTC", Output = new TxOut(Money.Coins(1.0m), new Key()), Accounted = true
});
paymentMethod = entity.GetPaymentMethod(new PaymentMethodId("BTC", PaymentTypes.BTCLike), null);
accounting = paymentMethod.Calculate();
Assert.Equal(Money.Coins(4.2m), accounting.Due);
Assert.Equal(Money.Coins(1.0m), accounting.CryptoPaid);
Assert.Equal(Money.Coins(1.0m), accounting.Paid);
Assert.Equal(Money.Coins(5.2m), accounting.TotalDue);
Assert.Equal(2, accounting.TxRequired);
paymentMethod = entity.GetPaymentMethod(new PaymentMethodId("LTC", PaymentTypes.BTCLike), null);
accounting = paymentMethod.Calculate();
Assert.Equal(Money.Coins(10.01m + 0.1m * 2 - 2.0m /* 8.21m */), accounting.Due);
Assert.Equal(Money.Coins(0.0m), accounting.CryptoPaid);
Assert.Equal(Money.Coins(2.0m), accounting.Paid);
Assert.Equal(Money.Coins(10.01m + 0.1m * 2), accounting.TotalDue);
entity.Payments.Add(new PaymentEntity()
{
CryptoCode = "LTC", Output = new TxOut(Money.Coins(1.0m), new Key()), Accounted = true
});
paymentMethod = entity.GetPaymentMethod(new PaymentMethodId("BTC", PaymentTypes.BTCLike), null);
accounting = paymentMethod.Calculate();
Assert.Equal(Money.Coins(4.2m - 0.5m + 0.01m / 2), accounting.Due);
Assert.Equal(Money.Coins(1.0m), accounting.CryptoPaid);
Assert.Equal(Money.Coins(1.5m), accounting.Paid);
Assert.Equal(Money.Coins(5.2m + 0.01m / 2), accounting.TotalDue); // The fee for LTC added
Assert.Equal(2, accounting.TxRequired);
paymentMethod = entity.GetPaymentMethod(new PaymentMethodId("LTC", PaymentTypes.BTCLike), null);
accounting = paymentMethod.Calculate();
Assert.Equal(Money.Coins(8.21m - 1.0m + 0.01m), accounting.Due);
Assert.Equal(Money.Coins(1.0m), accounting.CryptoPaid);
Assert.Equal(Money.Coins(3.0m), accounting.Paid);
Assert.Equal(Money.Coins(10.01m + 0.1m * 2 + 0.01m), accounting.TotalDue);
Assert.Equal(2, accounting.TxRequired);
var remaining = Money.Coins(4.2m - 0.5m + 0.01m / 2);
entity.Payments.Add(new PaymentEntity()
{
CryptoCode = "BTC", Output = new TxOut(remaining, new Key()), Accounted = true
});
paymentMethod = entity.GetPaymentMethod(new PaymentMethodId("BTC", PaymentTypes.BTCLike), null);
accounting = paymentMethod.Calculate();
Assert.Equal(Money.Zero, accounting.Due);
Assert.Equal(Money.Coins(1.0m) + remaining, accounting.CryptoPaid);
Assert.Equal(Money.Coins(1.5m) + remaining, accounting.Paid);
Assert.Equal(Money.Coins(5.2m + 0.01m / 2), accounting.TotalDue);
Assert.Equal(accounting.Paid, accounting.TotalDue);
Assert.Equal(2, accounting.TxRequired);
paymentMethod = entity.GetPaymentMethod(new PaymentMethodId("LTC", PaymentTypes.BTCLike), null);
accounting = paymentMethod.Calculate();
Assert.Equal(Money.Zero, accounting.Due);
Assert.Equal(Money.Coins(1.0m), accounting.CryptoPaid);
Assert.Equal(Money.Coins(3.0m) + remaining * 2, accounting.Paid);
// Paying 2 BTC fee, LTC fee removed because fully paid
Assert.Equal(Money.Coins(10.01m + 0.1m * 2 + 0.1m * 2 /* + 0.01m no need to pay this fee anymore */), accounting.TotalDue);
Assert.Equal(1, accounting.TxRequired);
Assert.Equal(accounting.Paid, accounting.TotalDue);
#pragma warning restore CS0618
}
internal async Task <DataWrapper <InvoiceResponse> > CreateInvoiceCore(Invoice invoice, StoreData store, string serverUrl)
{
var entity = new InvoiceEntity
{
InvoiceTime = DateTimeOffset.UtcNow
};
var storeBlob = store.GetStoreBlob();
Uri notificationUri = Uri.IsWellFormedUriString(invoice.NotificationURL, UriKind.Absolute) ? new Uri(invoice.NotificationURL, UriKind.Absolute) : null;
if (notificationUri == null || (notificationUri.Scheme != "http" && notificationUri.Scheme != "https")) //TODO: Filer non routable addresses ?
{
notificationUri = null;
}
EmailAddressAttribute emailValidator = new EmailAddressAttribute();
entity.ExpirationTime = entity.InvoiceTime.AddMinutes(storeBlob.InvoiceExpiration);
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.NotificationURL = notificationUri?.AbsoluteUri;
entity.BuyerInformation = Map <Invoice, BuyerInformation>(invoice);
entity.PaymentTolerance = storeBlob.PaymentTolerance;
//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;
}
entity.ProductInformation = Map <Invoice, ProductInformation>(invoice);
entity.RedirectURL = invoice.RedirectURL ?? store.StoreWebsite;
if (!Uri.IsWellFormedUriString(entity.RedirectURL, UriKind.Absolute))
{
entity.RedirectURL = null;
}
entity.Status = "new";
entity.SpeedPolicy = ParseSpeedPolicy(invoice.TransactionSpeed, store.SpeedPolicy);
HashSet <CurrencyPair> currencyPairsToFetch = new HashSet <CurrencyPair>();
var rules = storeBlob.GetRateRules(_NetworkProvider);
await UpdateCLightningConnectionStringIfNeeded(store);
foreach (var network in store.GetSupportedPaymentMethods(_NetworkProvider)
.Select(c => _NetworkProvider.GetNetwork(c.PaymentId.CryptoCode))
.Where(c => c != null))
{
currencyPairsToFetch.Add(new CurrencyPair(network.CryptoCode, invoice.Currency));
if (storeBlob.LightningMaxValue != null)
{
currencyPairsToFetch.Add(new CurrencyPair(network.CryptoCode, storeBlob.LightningMaxValue.Currency));
}
if (storeBlob.OnChainMinValue != null)
{
currencyPairsToFetch.Add(new CurrencyPair(network.CryptoCode, storeBlob.OnChainMinValue.Currency));
}
}
var rateRules = storeBlob.GetRateRules(_NetworkProvider);
var fetchingByCurrencyPair = _RateProvider.FetchRates(currencyPairsToFetch, rateRules);
var supportedPaymentMethods = store.GetSupportedPaymentMethods(_NetworkProvider)
.Select(c =>
(Handler: (IPaymentMethodHandler)_ServiceProvider.GetService(typeof(IPaymentMethodHandler <>).MakeGenericType(c.GetType())),
SupportedPaymentMethod: c,
Network: _NetworkProvider.GetNetwork(c.PaymentId.CryptoCode)))
.Where(c => c.Network != null)
.Select(o =>
(SupportedPaymentMethod: o.SupportedPaymentMethod,
PaymentMethod: CreatePaymentMethodAsync(fetchingByCurrencyPair, o.Handler, o.SupportedPaymentMethod, o.Network, entity, store)))
.ToList();
List <string> invoiceLogs = new List <string>();
List <ISupportedPaymentMethod> supported = new List <ISupportedPaymentMethod>();
var paymentMethods = new PaymentMethodDictionary();
foreach (var pair in fetchingByCurrencyPair)
{
var rateResult = await pair.Value;
invoiceLogs.Add($"{pair.Key}: The rating rule is {rateResult.Rule}");
invoiceLogs.Add($"{pair.Key}: The evaluated rating rule is {rateResult.EvaluatedRule}");
if (rateResult.Errors.Count != 0)
{
var allRateRuleErrors = string.Join(", ", rateResult.Errors.ToArray());
invoiceLogs.Add($"{pair.Key}: Rate rule error ({allRateRuleErrors})");
}
if (rateResult.ExchangeExceptions.Count != 0)
{
foreach (var ex in rateResult.ExchangeExceptions)
{
invoiceLogs.Add($"{pair.Key}: Exception reaching exchange {ex.ExchangeName} ({ex.Exception.Message})");
}
}
}
foreach (var o in supportedPaymentMethods)
{
try
{
var paymentMethod = await o.PaymentMethod;
if (paymentMethod == null)
{
throw new PaymentMethodUnavailableException("Payment method unavailable");
}
supported.Add(o.SupportedPaymentMethod);
paymentMethods.Add(paymentMethod);
}
catch (PaymentMethodUnavailableException ex)
{
invoiceLogs.Add($"{o.SupportedPaymentMethod.PaymentId.CryptoCode} ({o.SupportedPaymentMethod.PaymentId.PaymentType}): Payment method unavailable ({ex.Message})");
}
catch (Exception ex)
{
invoiceLogs.Add($"{o.SupportedPaymentMethod.PaymentId.CryptoCode} ({o.SupportedPaymentMethod.PaymentId.PaymentType}): Unexpected exception ({ex.ToString()})");
}
}
if (supported.Count == 0)
{
StringBuilder errors = new StringBuilder();
errors.AppendLine("No payment method available for this store");
foreach (var error in invoiceLogs)
{
errors.AppendLine(error);
}
throw new BitpayHttpException(400, errors.ToString());
}
entity.SetSupportedPaymentMethods(supported);
entity.SetPaymentMethods(paymentMethods);
entity.PosData = invoice.PosData;
entity = await _InvoiceRepository.CreateInvoiceAsync(store.Id, entity, invoiceLogs, _NetworkProvider);
_EventAggregator.Publish(new Events.InvoiceEvent(entity.EntityToDTO(_NetworkProvider), 1001, "invoice_created"));
var resp = entity.EntityToDTO(_NetworkProvider);
return(new DataWrapper <InvoiceResponse>(resp)
{
Facade = "pos/invoice"
});
}
internal async Task <DataWrapper <InvoiceResponse> > CreateInvoiceCore(Invoice invoice, StoreData store, string serverUrl)
{
var entity = new InvoiceEntity
{
InvoiceTime = DateTimeOffset.UtcNow
};
var storeBlob = store.GetStoreBlob();
Uri notificationUri = Uri.IsWellFormedUriString(invoice.NotificationURL, UriKind.Absolute) ? new Uri(invoice.NotificationURL, UriKind.Absolute) : null;
if (notificationUri == null || (notificationUri.Scheme != "http" && notificationUri.Scheme != "https")) //TODO: Filer non routable addresses ?
{
notificationUri = null;
}
EmailAddressAttribute emailValidator = new EmailAddressAttribute();
entity.ExpirationTime = entity.InvoiceTime.AddMinutes(storeBlob.InvoiceExpiration);
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.NotificationURL = notificationUri?.AbsoluteUri;
entity.BuyerInformation = Map <Invoice, BuyerInformation>(invoice);
//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;
}
entity.ProductInformation = Map <Invoice, ProductInformation>(invoice);
entity.RedirectURL = invoice.RedirectURL ?? store.StoreWebsite;
entity.Status = "new";
entity.SpeedPolicy = ParseSpeedPolicy(invoice.TransactionSpeed, store.SpeedPolicy);
var supportedPaymentMethods = store.GetSupportedPaymentMethods(_NetworkProvider)
.Select(c =>
(Handler: (IPaymentMethodHandler)_ServiceProvider.GetService(typeof(IPaymentMethodHandler <>).MakeGenericType(c.GetType())),
SupportedPaymentMethod: c,
Network: _NetworkProvider.GetNetwork(c.PaymentId.CryptoCode)))
.Where(c => c.Network != null)
.Select(o =>
(SupportedPaymentMethod: o.SupportedPaymentMethod,
PaymentMethod: CreatePaymentMethodAsync(o.Handler, o.SupportedPaymentMethod, o.Network, entity, store)))
.ToList();
List <string> paymentMethodErrors = new List <string>();
List <ISupportedPaymentMethod> supported = new List <ISupportedPaymentMethod>();
var paymentMethods = new PaymentMethodDictionary();
foreach (var o in supportedPaymentMethods)
{
try
{
var paymentMethod = await o.PaymentMethod;
if (paymentMethod == null)
{
throw new PaymentMethodUnavailableException("Payment method unavailable (The handler returned null)");
}
supported.Add(o.SupportedPaymentMethod);
paymentMethods.Add(paymentMethod);
}
catch (PaymentMethodUnavailableException ex)
{
paymentMethodErrors.Add($"{o.SupportedPaymentMethod.PaymentId.CryptoCode} ({o.SupportedPaymentMethod.PaymentId.PaymentType}): Payment method unavailable ({ex.Message})");
}
catch (Exception ex)
{
paymentMethodErrors.Add($"{o.SupportedPaymentMethod.PaymentId.CryptoCode} ({o.SupportedPaymentMethod.PaymentId.PaymentType}): Unexpected exception ({ex.ToString()})");
}
}
if (supported.Count == 0)
{
StringBuilder errors = new StringBuilder();
errors.AppendLine("No payment method available for this store");
foreach (var error in paymentMethodErrors)
{
errors.AppendLine(error);
}
throw new BitpayHttpException(400, errors.ToString());
}
entity.SetSupportedPaymentMethods(supported);
entity.SetPaymentMethods(paymentMethods);
#pragma warning disable CS0618
// Legacy Bitpay clients expect information for BTC information, even if the store do not support it
var legacyBTCisSet = paymentMethods.Any(p => p.GetId().IsBTCOnChain);
if (!legacyBTCisSet && _NetworkProvider.BTC != null)
{
var btc = _NetworkProvider.BTC;
var feeProvider = ((IFeeProviderFactory)_ServiceProvider.GetService(typeof(IFeeProviderFactory))).CreateFeeProvider(btc);
var rateProvider = _RateProviders.GetRateProvider(btc, storeBlob.GetRateRules());
if (feeProvider != null && rateProvider != null)
{
var gettingFee = feeProvider.GetFeeRateAsync();
var gettingRate = rateProvider.GetRateAsync(invoice.Currency);
entity.TxFee = GetTxFee(storeBlob, await gettingFee);
entity.Rate = await gettingRate;
}
#pragma warning restore CS0618
}
entity.PosData = invoice.PosData;
entity = await _InvoiceRepository.CreateInvoiceAsync(store.Id, entity, paymentMethodErrors, _NetworkProvider);
_EventAggregator.Publish(new Events.InvoiceEvent(entity, 1001, "invoice_created"));
var resp = entity.EntityToDTO(_NetworkProvider);
return(new DataWrapper <InvoiceResponse>(resp)
{
Facade = "pos/invoice"
});
}
internal async Task <DataWrapper <InvoiceResponse> > CreateInvoiceCore(Invoice invoice, StoreData store, string serverUrl)
{
var supportedPaymentMethods = store.GetSupportedPaymentMethods(_NetworkProvider)
.Select(c =>
(Handler: (IPaymentMethodHandler)_ServiceProvider.GetService(typeof(IPaymentMethodHandler <>).MakeGenericType(c.GetType())),
SupportedPaymentMethod: c,
Network: _NetworkProvider.GetNetwork(c.PaymentId.CryptoCode),
IsAvailable: Task.FromResult(false)))
.Where(c => c.Network != null)
.Select(c =>
{
c.IsAvailable = c.Handler.IsAvailable(c.SupportedPaymentMethod, c.Network);
return(c);
})
.ToList();
foreach (var supportedPaymentMethod in supportedPaymentMethods.ToList())
{
if (!await supportedPaymentMethod.IsAvailable)
{
supportedPaymentMethods.Remove(supportedPaymentMethod);
}
}
if (supportedPaymentMethods.Count == 0)
{
throw new BitpayHttpException(400, "No derivation strategy are available now for this store");
}
var entity = new InvoiceEntity
{
InvoiceTime = DateTimeOffset.UtcNow
};
entity.SetSupportedPaymentMethods(supportedPaymentMethods.Select(s => s.SupportedPaymentMethod));
var storeBlob = store.GetStoreBlob();
Uri notificationUri = Uri.IsWellFormedUriString(invoice.NotificationURL, UriKind.Absolute) ? new Uri(invoice.NotificationURL, UriKind.Absolute) : null;
if (notificationUri == null || (notificationUri.Scheme != "http" && notificationUri.Scheme != "https")) //TODO: Filer non routable addresses ?
{
notificationUri = null;
}
EmailAddressAttribute emailValidator = new EmailAddressAttribute();
entity.ExpirationTime = entity.InvoiceTime.AddMinutes(storeBlob.InvoiceExpiration);
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.NotificationURL = notificationUri?.AbsoluteUri;
entity.BuyerInformation = Map <Invoice, BuyerInformation>(invoice);
//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;
}
entity.ProductInformation = Map <Invoice, ProductInformation>(invoice);
entity.RedirectURL = invoice.RedirectURL ?? store.StoreWebsite;
entity.Status = "new";
entity.SpeedPolicy = ParseSpeedPolicy(invoice.TransactionSpeed, store.SpeedPolicy);
var methods = supportedPaymentMethods
.Select(async o =>
{
var rate = await storeBlob.ApplyRateRules(o.Network, _RateProviders.GetRateProvider(o.Network, false)).GetRateAsync(invoice.Currency);
PaymentMethod paymentMethod = new PaymentMethod();
paymentMethod.ParentEntity = entity;
paymentMethod.SetId(o.SupportedPaymentMethod.PaymentId);
paymentMethod.Rate = rate;
var paymentDetails = await o.Handler.CreatePaymentMethodDetails(o.SupportedPaymentMethod, paymentMethod, o.Network);
if (storeBlob.NetworkFeeDisabled)
{
paymentDetails.SetNoTxFee();
}
paymentMethod.SetPaymentMethodDetails(paymentDetails);
#pragma warning disable CS0618
if (paymentMethod.GetId().IsBTCOnChain)
{
entity.TxFee = paymentMethod.TxFee;
entity.Rate = paymentMethod.Rate;
entity.DepositAddress = paymentMethod.DepositAddress;
}
#pragma warning restore CS0618
return(paymentMethod);
});
var paymentMethods = new PaymentMethodDictionary();
foreach (var method in methods)
{
paymentMethods.Add(await method);
}
#pragma warning disable CS0618
// Legacy Bitpay clients expect information for BTC information, even if the store do not support it
var legacyBTCisSet = paymentMethods.Any(p => p.GetId().IsBTCOnChain);
if (!legacyBTCisSet && _NetworkProvider.BTC != null)
{
var btc = _NetworkProvider.BTC;
var feeProvider = ((IFeeProviderFactory)_ServiceProvider.GetService(typeof(IFeeProviderFactory))).CreateFeeProvider(btc);
var rateProvider = storeBlob.ApplyRateRules(btc, _RateProviders.GetRateProvider(btc, false));
if (feeProvider != null && rateProvider != null)
{
var gettingFee = feeProvider.GetFeeRateAsync();
var gettingRate = rateProvider.GetRateAsync(invoice.Currency);
entity.TxFee = GetTxFee(storeBlob, await gettingFee);
entity.Rate = await gettingRate;
}
#pragma warning restore CS0618
}
entity.SetPaymentMethods(paymentMethods);
entity.PosData = invoice.PosData;
entity = await _InvoiceRepository.CreateInvoiceAsync(store.Id, entity, _NetworkProvider);
_EventAggregator.Publish(new Events.InvoiceEvent(entity, 1001, "invoice_created"));
var resp = entity.EntityToDTO(_NetworkProvider);
return(new DataWrapper <InvoiceResponse>(resp)
{
Facade = "pos/invoice"
});
}
