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Can solve inverse of currency pair

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nicolas.dorier
2018-05-05 00:40:54 +09:00
parent 8a4da361fd
commit c2dad08fef
4 changed files with 29 additions and 12 deletions
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9
BTCPayServer.Tests/RateRulesTest.cs
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@@ -113,12 +113,21 @@ namespace BTCPayServer.Tests
builder.AppendLine("DOGE_BTC = 2000");
Assert.True(RateRules.TryParse(builder.ToString(), out rules));
rules.GlobalMultiplier = 1.1m;
rule2 = rules.GetRuleFor(CurrencyPair.Parse("DOGE_USD"));
Assert.Equal("(2000 * (-3 + coinbase(BTC_CAD) + 50 - 5)) * 1.1", rule2.ToString());
rule2.ExchangeRates.SetRate("coinbase", CurrencyPair.Parse("BTC_CAD"), 1000m);
Assert.True(rule2.Reevaluate());
Assert.Equal("(2000 * (-3 + 1000 + 50 - 5)) * 1.1", rule2.ToString(true));
Assert.Equal((2000m * (-3m + 1000m + 50m - 5m)) * 1.1m, rule2.Value.Value);
// Test inverse
rule2 = rules.GetRuleFor(CurrencyPair.Parse("USD_DOGE"));
Assert.Equal("(1 / (2000 * (-3 + coinbase(BTC_CAD) + 50 - 5))) * 1.1", rule2.ToString());
rule2.ExchangeRates.SetRate("coinbase", CurrencyPair.Parse("BTC_CAD"), 1000m);
Assert.True(rule2.Reevaluate());
Assert.Equal("(1 / (2000 * (-3 + 1000 + 50 - 5))) * 1.1", rule2.ToString(true));
Assert.Equal(( 1.0m / (2000m * (-3m + 1000m + 50m - 5m))) * 1.1m, rule2.Value.Value);
////////
}
}