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Add OnChainMinValue

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nicolas.dorier
2018-04-03 17:39:28 +09:00
parent 10fcc84379
commit 325b359ff6
6 changed files with 98 additions and 15 deletions
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37
BTCPayServer/Controllers/InvoiceController.cs
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@@ -149,7 +149,7 @@ namespace BTCPayServer.Controllers
{
StringBuilder errors = new StringBuilder();
errors.AppendLine("No payment method available for this store");
foreach(var error in paymentMethodErrors)
foreach (var error in paymentMethodErrors)
{
errors.AppendLine(error);
}
@@ -196,21 +196,36 @@ namespace BTCPayServer.Controllers
paymentDetails.SetNoTxFee();
paymentMethod.SetPaymentMethodDetails(paymentDetails);
// Check if Lightning Max value is exceeded
Func<Money, Money, bool> compare = null;
CurrencyValue limitValue = null;
string errorMessage = null;
if (supportedPaymentMethod.PaymentId.PaymentType == PaymentTypes.LightningLike &&
storeBlob.LightningMaxValue != null)
{
var lightningMaxValue = storeBlob.LightningMaxValue;
var lightningMaxValueRate = 0.0m;
if (lightningMaxValue.Currency == entity.ProductInformation.Currency)
lightningMaxValueRate = paymentMethod.Rate;
else
lightningMaxValueRate = await storeBlob.ApplyRateRules(network, _RateProviders.GetRateProvider(network, false)).GetRateAsync(lightningMaxValue.Currency);
compare = (a, b) => a > b;
limitValue = storeBlob.LightningMaxValue;
errorMessage = "The amount of the invoice is too high to be paid with lightning";
}
else if (supportedPaymentMethod.PaymentId.PaymentType == PaymentTypes.BTCLike &&
storeBlob.OnChainMinValue != null)
{
compare = (a, b) => a < b;
limitValue = storeBlob.OnChainMinValue;
errorMessage = "The amount of the invoice is too low to be paid on chain";
}
var lightningMaxValueCrypto = Money.Coins(lightningMaxValue.Value / lightningMaxValueRate);
if (paymentMethod.Calculate().Due > lightningMaxValueCrypto)
if (compare != null)
{
var limitValueRate = 0.0m;
if (limitValue.Currency == entity.ProductInformation.Currency)
limitValueRate = paymentMethod.Rate;
else
limitValueRate = await storeBlob.ApplyRateRules(network, _RateProviders.GetRateProvider(network, false)).GetRateAsync(limitValue.Currency);
var limitValueCrypto = Money.Coins(limitValue.Value / limitValueRate);
if (compare(paymentMethod.Calculate().Due, limitValueCrypto))
{
throw new PaymentMethodUnavailableException("Lightning max value exceeded");
throw new PaymentMethodUnavailableException(errorMessage);
}
}
///////////////