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Fix rate fetching for kraken doge and dash

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This commit is contained in:
nicolas.dorier 2018-11-05 12:14:39 +09:00
parent 676a914c40
commit 15d9adfbf1
2 changed files with 37 additions and 4 deletions
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17
BTCPayServer.Tests/UnitTest1.cs
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@ -584,6 +584,23 @@ namespace BTCPayServer.Tests
}
}
[Fact]
[Trait("Integration", "Integration")]
public void CanSolveTheDogesRatesOnKraken()
{
var provider = new BTCPayNetworkProvider(NetworkType.Mainnet);
var factory = CreateBTCPayRateFactory();
var fetcher = new RateFetcher(factory);
Assert.True(RateRules.TryParse("X_X=kraken(X_BTC) * kraken(BTC_X)", out var rule));
foreach(var pair in new[] { "DOGE_USD", "DOGE_CAD", "DASH_CAD", "DASH_USD", "DASH_EUR" })
{
var result = fetcher.FetchRate(CurrencyPair.Parse(pair), rule).GetAwaiter().GetResult();
Assert.NotNull(result.BidAsk);
Assert.Empty(result.Errors);
}
}
[Fact]
[Trait("Integration", "Integration")]
public void CanRescanWallet()

24
BTCPayServer/Services/Rates/KrakenExchangeRateProvider.cs
View File

@ -42,6 +42,19 @@ namespace BTCPayServer.Services.Rates
string[] _Symbols = Array.Empty<string>();
DateTimeOffset? _LastSymbolUpdate = null;
Dictionary<string, string> _TickerMapping = new Dictionary<string, string>()
{
{ "XXDG", "DOGE" },
{ "XXBT", "BTC" },
{ "XBT", "BTC" },
{ "DASH", "DASH" },
{ "ZUSD", "USD" },
{ "ZEUR", "EUR" },
{ "ZJPY", "JPY" },
{ "ZCAD", "CAD" },
};
public async Task<ExchangeRates> GetRatesAsync()
{
var result = new ExchangeRates();
@ -58,11 +71,14 @@ namespace BTCPayServer.Services.Rates
try
{
string global = null;
if(symbol.StartsWith("DASH", StringComparison.OrdinalIgnoreCase))
var mapped1 = _TickerMapping.Where(t => symbol.StartsWith(t.Key, StringComparison.OrdinalIgnoreCase))
.Select(t => new { KrakenTicker = t.Key, PayTicker = t.Value }).SingleOrDefault();
if (mapped1 != null)
{
var p2 = symbol.Substring(4);
p2 = p2 == "XBT" ? "BTC" : p2;
global = $"{p2}_{symbol.Substring(0, 4)}";
var p2 = symbol.Substring(mapped1.KrakenTicker.Length);
if (_TickerMapping.TryGetValue(p2, out var mapped2))
p2 = mapped2;
global = $"{p2}_{mapped1.PayTicker}";
}
else
{