From 13379ed0fe15dc23675ab9e15901c0a7b6b489d3 Mon Sep 17 00:00:00 2001
From: Adrian Gallagher <thrasher@addictionsoftware.com>
Date: Fri, 15 May 2015 15:31:53 +1000
Subject: [PATCH] Added IsFiatCurrency function.

---
 currency.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/currency.go b/currency.go
index 1f6a7aeb..6eb1fdc9 100644
--- a/currency.go
+++ b/currency.go
@@ -42,11 +42,19 @@ const (
 
 var (
 	CurrencyStore             YahooJSONResponse
+	BaseCurrencies            string
 	ErrCurrencyDataNotFetched = errors.New("Yahoo currency data has not been fetched yet.")
 	ErrCurrencyNotFound       = errors.New("Unable to find specified currency.")
 	ErrQueryingYahoo          = errors.New("Unable to query Yahoo currency values.")
 )
 
+func IsFiatCurrency(currency string) bool {
+	if StringContains(BaseCurrencies, StringToUpper(currency)) {
+		return true
+	}
+	return false
+}
+
 func RetrieveConfigCurrencyPairs(config Config) error {
 	currencyPairs := ""
 	for _, exchange := range config.Exchanges {
@@ -69,6 +77,7 @@ func RetrieveConfigCurrencyPairs(config Config) error {
 		}
 	}
 	currencyPairs = currencyPairs[0 : len(currencyPairs)-1]
+	BaseCurrencies = currencyPairs
 	err := QueryYahooCurrencyValues(currencyPairs)
 
 	if err != nil {