// converts amount in baseSymbol to amount in quoteSymbol
public static BigInteger GetTokenQuoteV1(IRuntime runtime, string baseSymbol, string quoteSymbol, BigInteger amount)
{
if (baseSymbol == quoteSymbol)
{
return(amount);
}
// old
var basePrice = runtime.GetTokenPrice(baseSymbol);
var baseToken = runtime.GetToken(baseSymbol);
var fiatToken = runtime.GetToken(DomainSettings.FiatTokenSymbol);
// this gives how many dollars is "amount"
BigInteger result = runtime.ConvertBaseToQuote(amount, basePrice, baseToken, fiatToken);
if (quoteSymbol == DomainSettings.FiatTokenSymbol)
{
return(result);
}
var quotePrice = runtime.GetTokenPrice(quoteSymbol);
var quoteToken = runtime.GetToken(quoteSymbol);
result = runtime.ConvertQuoteToBase(result, quotePrice, quoteToken, fiatToken);
return(result);
}
public static BigInteger GetTokenQuoteV2(IRuntime runtime, string baseSymbol, string quoteSymbol, BigInteger amount)
{
if (baseSymbol == quoteSymbol)
{
return(amount);
}
var basePrice = runtime.GetTokenPrice(baseSymbol);
var baseToken = runtime.GetToken(baseSymbol);
if (quoteSymbol == DomainSettings.FiatTokenSymbol)
{
var fiatToken = runtime.GetToken(DomainSettings.FiatTokenSymbol);
// this gives how many dollars is "amount"
BigInteger result = runtime.ConvertBaseToQuote(amount, basePrice, baseToken, fiatToken);
return(result);
}
else
{
var quotePrice = runtime.GetTokenPrice(quoteSymbol);
var quoteToken = runtime.GetToken(quoteSymbol);
if (quoteToken.Decimals <= baseToken.Decimals)
{
var result = ((basePrice * amount) / quotePrice);
var diff = baseToken.Decimals - quoteToken.Decimals;
var pow = BigInteger.Pow(10, diff);
result /= pow;
return(result);
}
else // here we invert order of calculations for improved precision
{
var diff = quoteToken.Decimals - baseToken.Decimals;
var pow = BigInteger.Pow(10, diff);
amount *= pow;
var result = ((basePrice * amount) / quotePrice);
return(result);
}
}
}
