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Make rate calculation scriptable

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This commit is contained in:
nicolas.dorier
2018-05-04 01:46:52 +09:00
parent f460837f96
commit 6dc4bfaefe
22 changed files with 472 additions and 121 deletions
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4
BTCPayServer/Controllers/InvoiceController.UI.cs
View File

@@ -460,9 +460,9 @@ namespace BTCPayServer.Controllers
StatusMessage = $"Invoice {result.Data.Id} just created!";
return RedirectToAction(nameof(ListInvoices));
}
catch (BitpayHttpException)
catch (BitpayHttpException ex)
{
ModelState.TryAddModelError(nameof(model.Currency), "Unsupported currency");
ModelState.TryAddModelError(nameof(model.Currency), $"Error: {ex.Message}");
return View(model);
}
}

168
BTCPayServer/Controllers/StoresController.cs
View File

@@ -4,6 +4,7 @@ using BTCPayServer.Data;
using BTCPayServer.HostedServices;
using BTCPayServer.Models;
using BTCPayServer.Models.StoreViewModels;
using BTCPayServer.Rating;
using BTCPayServer.Security;
using BTCPayServer.Services;
using BTCPayServer.Services.Rates;
@@ -20,6 +21,7 @@ using NBitcoin.DataEncoders;
using NBXplorer.DerivationStrategy;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Net.Http;
using System.Threading;
@@ -33,6 +35,7 @@ namespace BTCPayServer.Controllers
[AutoValidateAntiforgeryToken]
public partial class StoresController : Controller
{
BTCPayRateProviderFactory _RateFactory;
public string CreatedStoreId { get; set; }
public StoresController(
NBXplorerDashboard dashboard,
@@ -46,12 +49,14 @@ namespace BTCPayServer.Controllers
AccessTokenController tokenController,
BTCPayWalletProvider walletProvider,
BTCPayNetworkProvider networkProvider,
BTCPayRateProviderFactory rateFactory,
ExplorerClientProvider explorerProvider,
IFeeProviderFactory feeRateProvider,
LanguageService langService,
IHostingEnvironment env,
CoinAverageSettings coinAverage)
{
_RateFactory = rateFactory;
_Dashboard = dashboard;
_Repo = repo;
_TokenRepository = tokenRepo;
@@ -191,6 +196,143 @@ namespace BTCPayServer.Controllers
return RedirectToAction(nameof(StoreUsers), new { storeId = storeId, userId = userId });
}
[HttpGet]
[Route("{storeId}/rates")]
public IActionResult Rates()
{
var storeBlob = StoreData.GetStoreBlob();
var vm = new RatesViewModel();
vm.SetExchangeRates(GetSupportedExchanges(), storeBlob.PreferredExchange ?? CoinAverageRateProvider.CoinAverageName);
vm.RateMultiplier = (double)storeBlob.GetRateMultiplier();
vm.Script = storeBlob.GetRateRules(_NetworkProvider).ToString();
vm.DefaultScript = storeBlob.GetDefaultRateRules(_NetworkProvider).ToString();
vm.AvailableExchanges = GetSupportedExchanges();
vm.ShowScripting = storeBlob.RateScripting;
return View(vm);
}
[HttpPost]
[Route("{storeId}/rates")]
public async Task<IActionResult> Rates(RatesViewModel model, string command = null)
{
model.SetExchangeRates(GetSupportedExchanges(), model.PreferredExchange);
if (!ModelState.IsValid)
{
return View(model);
}
if (model.PreferredExchange != null)
model.PreferredExchange = model.PreferredExchange.Trim().ToLowerInvariant();
var blob = StoreData.GetStoreBlob();
model.DefaultScript = blob.GetDefaultRateRules(_NetworkProvider).ToString();
model.AvailableExchanges = GetSupportedExchanges();
blob.PreferredExchange = model.PreferredExchange;
blob.SetRateMultiplier(model.RateMultiplier);
if (!model.ShowScripting)
{
if (!GetSupportedExchanges().Select(c => c.Name).Contains(blob.PreferredExchange, StringComparer.OrdinalIgnoreCase))
{
ModelState.AddModelError(nameof(model.PreferredExchange), $"Unsupported exchange ({model.RateSource})");
return View(model);
}
}
RateRules rules = null;
if (model.ShowScripting)
{
if (!RateRules.TryParse(model.Script, out rules, out var errors))
{
errors = errors ?? new List<RateRulesErrors>();
var errorString = String.Join(", ", errors.ToArray());
ModelState.AddModelError(nameof(model.Script), $"Parsing error ({errorString})");
return View(model);
}
else
{
blob.RateScript = rules.ToString();
}
}
rules = blob.GetRateRules(_NetworkProvider);
if (command == "Test")
{
if (string.IsNullOrWhiteSpace(model.ScriptTest))
{
ModelState.AddModelError(nameof(model.ScriptTest), "Fill out currency pair to test for (like BTC_USD,BTC_CAD)");
return View(model);
}
var splitted = model.ScriptTest.Split(',', StringSplitOptions.RemoveEmptyEntries);
var pairs = new List<CurrencyPair>();
foreach (var pair in splitted)
{
if (!CurrencyPair.TryParse(pair, out var currencyPair))
{
ModelState.AddModelError(nameof(model.ScriptTest), $"Invalid currency pair '{pair}' (it should be formatted like BTC_USD,BTC_CAD)");
return View(model);
}
pairs.Add(currencyPair);
}
var fetchs = _RateFactory.FetchRates(pairs.ToHashSet(), rules);
var testResults = new List<RatesViewModel.TestResultViewModel>();
foreach (var fetch in fetchs)
{
var testResult = await (fetch.Value);
testResults.Add(new RatesViewModel.TestResultViewModel()
{
CurrencyPair = fetch.Key.ToString(),
Error = testResult.Errors.Count != 0,
Rule = testResult.Errors.Count == 0 ? testResult.Rule + " = " + testResult.Value.Value.ToString(CultureInfo.InvariantCulture)
: testResult.EvaluatedRule
});
}
model.TestRateRules = testResults;
return View(model);
}
else // command == Save
{
if (StoreData.SetStoreBlob(blob))
{
await _Repo.UpdateStore(StoreData);
StatusMessage = "Rate settings updated";
}
return RedirectToAction(nameof(Rates), new
{
storeId = StoreData.Id
});
}
}
[HttpGet]
[Route("{storeId}/rates/confirm")]
public IActionResult ShowRateRules(bool scripting)
{
return View("Confirm", new ConfirmModel()
{
Action = nameof(ShowRateRulesPost),
Title = "Rate rule scripting",
Description = scripting ?
"This action will mofify your current rate sources. Are you sure to turn on rate rules scripting? (Advanced users)"
: "This action will delete your rate script. Are you sure to turn off rate rules scripting?",
ButtonClass = "btn-primary"
});
}
[HttpPost]
[Route("{storeId}/rates/confirm")]
public async Task<IActionResult> ShowRateRulesPost(bool scripting)
{
var blob = StoreData.GetStoreBlob();
blob.RateScripting = scripting;
blob.RateScript = blob.GetDefaultRateRules(_NetworkProvider).ToString();
StoreData.SetStoreBlob(blob);
await _Repo.UpdateStore(StoreData);
StatusMessage = "Rate rules scripting activated";
return RedirectToAction(nameof(Rates), new { storeId = StoreData.Id });
}
[HttpGet]
[Route("{storeId}/checkout")]
public IActionResult CheckoutExperience()
@@ -268,7 +410,7 @@ namespace BTCPayServer.Controllers
[HttpGet]
[Route("{storeId}")]
public IActionResult UpdateStore(string storeId)
public IActionResult UpdateStore()
{
var store = HttpContext.GetStoreData();
if (store == null)
@@ -276,7 +418,6 @@ namespace BTCPayServer.Controllers
var storeBlob = store.GetStoreBlob();
var vm = new StoreViewModel();
vm.SetExchangeRates(GetSupportedExchanges(), storeBlob.PreferredExchange ?? CoinAverageRateProvider.CoinAverageName);
vm.Id = store.Id;
vm.StoreName = store.StoreName;
vm.StoreWebsite = store.StoreWebsite;
@@ -285,7 +426,6 @@ namespace BTCPayServer.Controllers
AddPaymentMethods(store, vm);
vm.MonitoringExpiration = storeBlob.MonitoringExpiration;
vm.InvoiceExpiration = storeBlob.InvoiceExpiration;
vm.RateMultiplier = (double)storeBlob.GetRateMultiplier();
vm.LightningDescriptionTemplate = storeBlob.LightningDescriptionTemplate;
return View(vm);
}
@@ -328,13 +468,6 @@ namespace BTCPayServer.Controllers
[Route("{storeId}")]
public async Task<IActionResult> UpdateStore(StoreViewModel model)
{
model.SetExchangeRates(GetSupportedExchanges(), model.PreferredExchange);
if (!ModelState.IsValid)
{
return View(model);
}
if (model.PreferredExchange != null)
model.PreferredExchange = model.PreferredExchange.Trim().ToLowerInvariant();
AddPaymentMethods(StoreData, model);
bool needUpdate = false;
@@ -360,26 +493,11 @@ namespace BTCPayServer.Controllers
blob.InvoiceExpiration = model.InvoiceExpiration;
blob.LightningDescriptionTemplate = model.LightningDescriptionTemplate ?? string.Empty;
bool newExchange = blob.PreferredExchange != model.PreferredExchange;
blob.PreferredExchange = model.PreferredExchange;
blob.SetRateMultiplier(model.RateMultiplier);
if (StoreData.SetStoreBlob(blob))
{
needUpdate = true;
}
if (newExchange)
{
if (!GetSupportedExchanges().Select(c => c.Name).Contains(blob.PreferredExchange, StringComparer.OrdinalIgnoreCase))
{
ModelState.AddModelError(nameof(model.PreferredExchange), $"Unsupported exchange ({model.RateSource})");
return View(model);
}
}
if (needUpdate)
{
await _Repo.UpdateStore(StoreData);