mirror of
https://github.com/btcpayserver/btcpayserver.git
synced 2024-11-20 10:40:29 +01:00
323 lines
16 KiB
C#
323 lines
16 KiB
C#
using BTCPayServer.Authentication;
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using System.Reflection;
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using System.Linq;
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using Microsoft.Extensions.Logging;
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using BTCPayServer.Logging;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Mvc;
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using NBitpayClient;
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Threading.Tasks;
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using BTCPayServer.Models;
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using Newtonsoft.Json;
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using System.Globalization;
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using NBitcoin;
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using NBitcoin.DataEncoders;
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using BTCPayServer.Filters;
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using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
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using System.Net;
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using Microsoft.AspNetCore.Identity;
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using Newtonsoft.Json.Linq;
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using Microsoft.AspNetCore.Mvc.ModelBinding;
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using NBitcoin.Payment;
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using BTCPayServer.Data;
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using BTCPayServer.Models.InvoicingModels;
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using System.Security.Claims;
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using BTCPayServer.Services;
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using System.ComponentModel.DataAnnotations;
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using System.Text.RegularExpressions;
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using BTCPayServer.Services.Stores;
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using BTCPayServer.Services.Invoices;
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using BTCPayServer.Services.Rates;
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using BTCPayServer.Services.Wallets;
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using BTCPayServer.Validations;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.AspNetCore.Mvc.Routing;
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using NBXplorer.DerivationStrategy;
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using NBXplorer;
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using BTCPayServer.HostedServices;
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using BTCPayServer.Payments;
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using BTCPayServer.Rating;
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namespace BTCPayServer.Controllers
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{
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public partial class InvoiceController : Controller
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{
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InvoiceRepository _InvoiceRepository;
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BTCPayRateProviderFactory _RateProvider;
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StoreRepository _StoreRepository;
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UserManager<ApplicationUser> _UserManager;
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private CurrencyNameTable _CurrencyNameTable;
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EventAggregator _EventAggregator;
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BTCPayNetworkProvider _NetworkProvider;
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private readonly BTCPayWalletProvider _WalletProvider;
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IServiceProvider _ServiceProvider;
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public InvoiceController(
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IServiceProvider serviceProvider,
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InvoiceRepository invoiceRepository,
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CurrencyNameTable currencyNameTable,
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UserManager<ApplicationUser> userManager,
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BTCPayRateProviderFactory rateProvider,
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StoreRepository storeRepository,
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EventAggregator eventAggregator,
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BTCPayWalletProvider walletProvider,
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BTCPayNetworkProvider networkProvider)
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{
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_ServiceProvider = serviceProvider;
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_CurrencyNameTable = currencyNameTable ?? throw new ArgumentNullException(nameof(currencyNameTable));
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_StoreRepository = storeRepository ?? throw new ArgumentNullException(nameof(storeRepository));
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_InvoiceRepository = invoiceRepository ?? throw new ArgumentNullException(nameof(invoiceRepository));
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_RateProvider = rateProvider ?? throw new ArgumentNullException(nameof(rateProvider));
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_UserManager = userManager;
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_EventAggregator = eventAggregator;
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_NetworkProvider = networkProvider;
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_WalletProvider = walletProvider;
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}
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internal async Task<DataWrapper<InvoiceResponse>> CreateInvoiceCore(Invoice invoice, StoreData store, string serverUrl)
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{
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var entity = new InvoiceEntity
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{
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InvoiceTime = DateTimeOffset.UtcNow
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};
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var storeBlob = store.GetStoreBlob();
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Uri notificationUri = Uri.IsWellFormedUriString(invoice.NotificationURL, UriKind.Absolute) ? new Uri(invoice.NotificationURL, UriKind.Absolute) : null;
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if (notificationUri == null || (notificationUri.Scheme != "http" && notificationUri.Scheme != "https")) //TODO: Filer non routable addresses ?
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notificationUri = null;
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EmailAddressAttribute emailValidator = new EmailAddressAttribute();
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entity.ExpirationTime = entity.InvoiceTime.AddMinutes(storeBlob.InvoiceExpiration);
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entity.MonitoringExpiration = entity.ExpirationTime + TimeSpan.FromMinutes(storeBlob.MonitoringExpiration);
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entity.OrderId = invoice.OrderId;
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entity.ServerUrl = serverUrl;
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entity.FullNotifications = invoice.FullNotifications || invoice.ExtendedNotifications;
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entity.ExtendedNotifications = invoice.ExtendedNotifications;
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entity.NotificationURL = notificationUri?.AbsoluteUri;
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entity.BuyerInformation = Map<Invoice, BuyerInformation>(invoice);
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entity.PaymentTolerance = storeBlob.PaymentTolerance;
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//Another way of passing buyer info to support
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FillBuyerInfo(invoice.Buyer, entity.BuyerInformation);
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if (entity?.BuyerInformation?.BuyerEmail != null)
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{
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if (!EmailValidator.IsEmail(entity.BuyerInformation.BuyerEmail))
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throw new BitpayHttpException(400, "Invalid email");
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entity.RefundMail = entity.BuyerInformation.BuyerEmail;
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}
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entity.ProductInformation = Map<Invoice, ProductInformation>(invoice);
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entity.RedirectURL = invoice.RedirectURL ?? store.StoreWebsite;
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if (!Uri.IsWellFormedUriString(entity.RedirectURL, UriKind.Absolute))
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entity.RedirectURL = null;
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entity.Status = "new";
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entity.SpeedPolicy = ParseSpeedPolicy(invoice.TransactionSpeed, store.SpeedPolicy);
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HashSet<CurrencyPair> currencyPairsToFetch = new HashSet<CurrencyPair>();
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var rules = storeBlob.GetRateRules(_NetworkProvider);
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await UpdateCLightningConnectionStringIfNeeded(store);
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foreach (var network in store.GetSupportedPaymentMethods(_NetworkProvider)
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.Select(c => _NetworkProvider.GetNetwork(c.PaymentId.CryptoCode))
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.Where(c => c != null))
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{
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currencyPairsToFetch.Add(new CurrencyPair(network.CryptoCode, invoice.Currency));
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if (storeBlob.LightningMaxValue != null)
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currencyPairsToFetch.Add(new CurrencyPair(network.CryptoCode, storeBlob.LightningMaxValue.Currency));
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if (storeBlob.OnChainMinValue != null)
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currencyPairsToFetch.Add(new CurrencyPair(network.CryptoCode, storeBlob.OnChainMinValue.Currency));
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}
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var rateRules = storeBlob.GetRateRules(_NetworkProvider);
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var fetchingByCurrencyPair = _RateProvider.FetchRates(currencyPairsToFetch, rateRules);
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var supportedPaymentMethods = store.GetSupportedPaymentMethods(_NetworkProvider)
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.Select(c =>
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(Handler: (IPaymentMethodHandler)_ServiceProvider.GetService(typeof(IPaymentMethodHandler<>).MakeGenericType(c.GetType())),
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SupportedPaymentMethod: c,
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Network: _NetworkProvider.GetNetwork(c.PaymentId.CryptoCode)))
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.Where(c => c.Network != null)
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.Select(o =>
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(SupportedPaymentMethod: o.SupportedPaymentMethod,
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PaymentMethod: CreatePaymentMethodAsync(fetchingByCurrencyPair, o.Handler, o.SupportedPaymentMethod, o.Network, entity, store)))
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.ToList();
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List<string> invoiceLogs = new List<string>();
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List<ISupportedPaymentMethod> supported = new List<ISupportedPaymentMethod>();
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var paymentMethods = new PaymentMethodDictionary();
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foreach (var pair in fetchingByCurrencyPair)
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{
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var rateResult = await pair.Value;
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invoiceLogs.Add($"{pair.Key}: The rating rule is {rateResult.Rule}");
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invoiceLogs.Add($"{pair.Key}: The evaluated rating rule is {rateResult.EvaluatedRule}");
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if (rateResult.Errors.Count != 0)
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{
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var allRateRuleErrors = string.Join(", ", rateResult.Errors.ToArray());
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invoiceLogs.Add($"{pair.Key}: Rate rule error ({allRateRuleErrors})");
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}
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if (rateResult.ExchangeExceptions.Count != 0)
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{
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foreach (var ex in rateResult.ExchangeExceptions)
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{
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invoiceLogs.Add($"{pair.Key}: Exception reaching exchange {ex.ExchangeName} ({ex.Exception.Message})");
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}
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}
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}
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foreach (var o in supportedPaymentMethods)
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{
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try
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{
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var paymentMethod = await o.PaymentMethod;
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if (paymentMethod == null)
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throw new PaymentMethodUnavailableException("Payment method unavailable");
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supported.Add(o.SupportedPaymentMethod);
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paymentMethods.Add(paymentMethod);
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}
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catch (PaymentMethodUnavailableException ex)
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{
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invoiceLogs.Add($"{o.SupportedPaymentMethod.PaymentId.CryptoCode} ({o.SupportedPaymentMethod.PaymentId.PaymentType}): Payment method unavailable ({ex.Message})");
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}
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catch (Exception ex)
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{
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invoiceLogs.Add($"{o.SupportedPaymentMethod.PaymentId.CryptoCode} ({o.SupportedPaymentMethod.PaymentId.PaymentType}): Unexpected exception ({ex.ToString()})");
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}
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}
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if (supported.Count == 0)
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{
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StringBuilder errors = new StringBuilder();
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errors.AppendLine("No payment method available for this store");
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foreach (var error in invoiceLogs)
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{
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errors.AppendLine(error);
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}
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throw new BitpayHttpException(400, errors.ToString());
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}
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entity.SetSupportedPaymentMethods(supported);
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entity.SetPaymentMethods(paymentMethods);
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entity.PosData = invoice.PosData;
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entity = await _InvoiceRepository.CreateInvoiceAsync(store.Id, entity, invoiceLogs, _NetworkProvider);
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_EventAggregator.Publish(new Events.InvoiceEvent(entity.EntityToDTO(_NetworkProvider), 1001, "invoice_created"));
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var resp = entity.EntityToDTO(_NetworkProvider);
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return new DataWrapper<InvoiceResponse>(resp) { Facade = "pos/invoice" };
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}
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private async Task UpdateCLightningConnectionStringIfNeeded(StoreData store)
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{
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bool needUpdate = false;
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foreach (var method in store.GetSupportedPaymentMethods(_NetworkProvider).OfType<Payments.Lightning.LightningSupportedPaymentMethod>())
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{
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var lightning = method.GetLightningUrl();
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if (lightning.IsLegacy)
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{
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method.SetLightningUrl(lightning);
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needUpdate = true;
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}
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}
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if(needUpdate)
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await _StoreRepository.UpdateStore(store);
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}
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private async Task<PaymentMethod> CreatePaymentMethodAsync(Dictionary<CurrencyPair, Task<RateResult>> fetchingByCurrencyPair, IPaymentMethodHandler handler, ISupportedPaymentMethod supportedPaymentMethod, BTCPayNetwork network, InvoiceEntity entity, StoreData store)
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{
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var storeBlob = store.GetStoreBlob();
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var rate = await fetchingByCurrencyPair[new CurrencyPair(network.CryptoCode, entity.ProductInformation.Currency)];
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if (rate.Value == null)
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return null;
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PaymentMethod paymentMethod = new PaymentMethod();
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paymentMethod.ParentEntity = entity;
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paymentMethod.Network = network;
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paymentMethod.SetId(supportedPaymentMethod.PaymentId);
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paymentMethod.Rate = rate.Value.Value;
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var paymentDetails = await handler.CreatePaymentMethodDetails(supportedPaymentMethod, paymentMethod, store, network);
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if (storeBlob.NetworkFeeDisabled)
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paymentDetails.SetNoTxFee();
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paymentMethod.SetPaymentMethodDetails(paymentDetails);
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Func<Money, Money, bool> compare = null;
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CurrencyValue limitValue = null;
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string errorMessage = null;
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if (supportedPaymentMethod.PaymentId.PaymentType == PaymentTypes.LightningLike &&
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storeBlob.LightningMaxValue != null)
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{
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compare = (a, b) => a > b;
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limitValue = storeBlob.LightningMaxValue;
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errorMessage = "The amount of the invoice is too high to be paid with lightning";
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}
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else if (supportedPaymentMethod.PaymentId.PaymentType == PaymentTypes.BTCLike &&
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storeBlob.OnChainMinValue != null)
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{
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compare = (a, b) => a < b;
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limitValue = storeBlob.OnChainMinValue;
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errorMessage = "The amount of the invoice is too low to be paid on chain";
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}
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if (compare != null)
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{
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var limitValueRate = await fetchingByCurrencyPair[new CurrencyPair(network.CryptoCode, limitValue.Currency)];
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if (limitValueRate.Value.HasValue)
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{
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var limitValueCrypto = Money.Coins(limitValue.Value / limitValueRate.Value.Value);
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if (compare(paymentMethod.Calculate().Due, limitValueCrypto))
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{
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throw new PaymentMethodUnavailableException(errorMessage);
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}
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}
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}
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///////////////
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#pragma warning disable CS0618
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if (paymentMethod.GetId().IsBTCOnChain)
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{
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entity.TxFee = paymentMethod.TxFee;
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entity.Rate = paymentMethod.Rate;
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entity.DepositAddress = paymentMethod.DepositAddress;
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}
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#pragma warning restore CS0618
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return paymentMethod;
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}
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private SpeedPolicy ParseSpeedPolicy(string transactionSpeed, SpeedPolicy defaultPolicy)
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{
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if (transactionSpeed == null)
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return defaultPolicy;
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var mappings = new Dictionary<string, SpeedPolicy>();
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mappings.Add("low", SpeedPolicy.LowSpeed);
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mappings.Add("low-medium", SpeedPolicy.LowMediumSpeed);
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mappings.Add("medium", SpeedPolicy.MediumSpeed);
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mappings.Add("high", SpeedPolicy.HighSpeed);
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if (!mappings.TryGetValue(transactionSpeed, out SpeedPolicy policy))
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policy = defaultPolicy;
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return policy;
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}
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private void FillBuyerInfo(Buyer buyer, BuyerInformation buyerInformation)
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{
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if (buyer == null)
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return;
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buyerInformation.BuyerAddress1 = buyerInformation.BuyerAddress1 ?? buyer.Address1;
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buyerInformation.BuyerAddress2 = buyerInformation.BuyerAddress2 ?? buyer.Address2;
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buyerInformation.BuyerCity = buyerInformation.BuyerCity ?? buyer.City;
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buyerInformation.BuyerCountry = buyerInformation.BuyerCountry ?? buyer.country;
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buyerInformation.BuyerEmail = buyerInformation.BuyerEmail ?? buyer.email;
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buyerInformation.BuyerName = buyerInformation.BuyerName ?? buyer.Name;
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buyerInformation.BuyerPhone = buyerInformation.BuyerPhone ?? buyer.phone;
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buyerInformation.BuyerState = buyerInformation.BuyerState ?? buyer.State;
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buyerInformation.BuyerZip = buyerInformation.BuyerZip ?? buyer.zip;
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}
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private TDest Map<TFrom, TDest>(TFrom data)
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{
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return JsonConvert.DeserializeObject<TDest>(JsonConvert.SerializeObject(data));
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}
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}
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}
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