revert price feed changes of #129 due to error when all tests run

observing "error applying consumer" in alice console when all tests run

core/src/main/java/bisq/core/api/CorePriceService.java

@@ -27,6 +27,7 @@ import java.util.function.Consumer;
 import lombok.extern.slf4j.Slf4j;
 
 import static bisq.common.util.MathUtils.roundDouble;
+import static bisq.core.locale.CurrencyUtil.isFiatCurrency;
 import static java.lang.String.format;
 
 @Singleton
@@ -43,11 +44,14 @@ class CorePriceService {
     public void getMarketPrice(String currencyCode, Consumer<Double> resultHandler) {
         String upperCaseCurrencyCode = currencyCode.toUpperCase();
 
+        if (!isFiatCurrency(upperCaseCurrencyCode))
+            throw new IllegalStateException(format("%s is not a valid currency code", upperCaseCurrencyCode));
+
         if (!priceFeedService.hasPrices())
             throw new IllegalStateException("price feed service has no prices");
 
         try {
-            priceFeedService.setCurrencyCode(upperCaseCurrencyCode, false); // TODO (woodser): skipping applying to consumer to avoid console warning spam when getting market prices over the api
+            priceFeedService.setCurrencyCode(upperCaseCurrencyCode);
         } catch (Throwable throwable) {
             log.warn("Could not set currency code in PriceFeedService", throwable);
         }

core/src/main/java/bisq/core/provider/price/PriceFeedService.java

@@ -270,19 +270,15 @@ public class PriceFeedService {
     ///////////////////////////////////////////////////////////////////////////////////////////
 
     public void setCurrencyCode(String currencyCode) {
-        setCurrencyCode(currencyCode, true);
-    }
-    
-    // TODO (woodser): necessary to skip applying to consumer to avoid console warning spam when getting market prices over the api
-    public void setCurrencyCode(String currencyCode, boolean applyPriceToConsumer) {
         if (this.currencyCode == null || !this.currencyCode.equals(currencyCode)) {
             this.currencyCode = currencyCode;
             currencyCodeProperty.set(currencyCode);
-            if (applyPriceToConsumer && priceConsumer != null)
+            if (priceConsumer != null)
                 applyPriceToConsumer();
         }
     }
 
+
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Getter
     ///////////////////////////////////////////////////////////////////////////////////////////