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Fix "Setting "Do not propose lightning payment if value of the invoice is above..." have no effect" (Fix #949)

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nicolas.dorier 2019-07-31 15:38:49 +09:00
parent 3dac7ef3f3
commit 717cadc64b
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1 changed files with 26 additions and 13 deletions
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39
BTCPayServer/Payments/Bitcoin/BitcoinLikePaymentHandler.cs
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@ -1,4 +1,5 @@
using System.Collections.Generic;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Threading.Tasks;
@ -72,25 +73,37 @@ namespace BTCPayServer.Payments.Bitcoin
public override async Task<string> IsPaymentMethodAllowedBasedOnInvoiceAmount(StoreBlob storeBlob,
Dictionary<CurrencyPair, Task<RateResult>> rate, Money amount, PaymentMethodId paymentMethodId)
{
if (storeBlob.OnChainMinValue == null)
Func<Money, Money, bool> compare = null;
CurrencyValue limitValue = null;
string errorMessage = null;
if (paymentMethodId.PaymentType == PaymentTypes.LightningLike &&
storeBlob.LightningMaxValue != null)
{
return null;
compare = (a, b) => a > b;
limitValue = storeBlob.LightningMaxValue;
errorMessage = "The amount of the invoice is too high to be paid with lightning";
}
else if (paymentMethodId.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 limitValueRate =
await rate[new CurrencyPair(paymentMethodId.CryptoCode, storeBlob.OnChainMinValue.Currency)];
if (limitValueRate.BidAsk != null)
if (compare != null)
{
var limitValueCrypto = Money.Coins(storeBlob.OnChainMinValue.Value / limitValueRate.BidAsk.Bid);
if (amount > limitValueCrypto)
var limitValueRate = await rate[new CurrencyPair(paymentMethodId.CryptoCode, storeBlob.OnChainMinValue.Currency)];
if (limitValueRate.BidAsk != null)
{
return null;
var limitValueCrypto = Money.Coins(limitValue.Value / limitValueRate.BidAsk.Bid);
if (compare(amount, limitValueCrypto))
{
return errorMessage;
}
}
}
return "The amount of the invoice is too low to be paid on chain";
return string.Empty;
}
public override IEnumerable<PaymentMethodId> GetSupportedPaymentMethods()