private Task CreateCurrencyPair(string symbol,
int pipsPosition,
int ratePrecision,
decimal sampleRate,
string comment = null,
bool activate = false)
{
var cp = new CurrencyPair(symbol, pipsPosition, ratePrecision, sampleRate, comment);
if (activate)
{
cp.Activate();
}
return(_repository.SaveAsync(cp));
}