use proxy for exchange rate if available, move to exchange rate to net package

src/main/java/com/sparrowwallet/sparrow/AppController.java

@@ -25,6 +25,7 @@ import com.sparrowwallet.sparrow.control.*;
 import com.sparrowwallet.sparrow.event.*;
 import com.sparrowwallet.sparrow.io.*;
 import com.sparrowwallet.sparrow.net.ElectrumServer;
+import com.sparrowwallet.sparrow.net.ExchangeSource;
 import com.sparrowwallet.sparrow.net.MempoolRateSize;
 import com.sparrowwallet.sparrow.net.VersionCheckService;
 import com.sparrowwallet.sparrow.preferences.PreferencesDialog;

src/main/java/com/sparrowwallet/sparrow/event/FiatCurrencySelectedEvent.java

@@ -1,6 +1,6 @@
 package com.sparrowwallet.sparrow.event;
 
-import com.sparrowwallet.sparrow.io.ExchangeSource;
+import com.sparrowwallet.sparrow.net.ExchangeSource;
 
 import java.util.Currency;
 

src/main/java/com/sparrowwallet/sparrow/io/Config.java

@@ -4,6 +4,7 @@ import com.google.gson.*;
 import com.sparrowwallet.drongo.BitcoinUnit;
 import com.sparrowwallet.sparrow.Mode;
 import com.sparrowwallet.sparrow.Theme;
+import com.sparrowwallet.sparrow.net.ExchangeSource;
 import com.sparrowwallet.sparrow.wallet.FeeRateSelection;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

src/main/java/com/sparrowwallet/sparrow/io/ExchangeSource.java → src/main/java/com/sparrowwallet/sparrow/net/ExchangeSource.java

@@ -1,7 +1,9 @@
-package com.sparrowwallet.sparrow.io;
+package com.sparrowwallet.sparrow.net;
 
+import com.google.common.net.HostAndPort;
 import com.google.gson.Gson;
 import com.sparrowwallet.sparrow.event.ExchangeRatesUpdatedEvent;
+import com.sparrowwallet.sparrow.io.Config;
 import javafx.concurrent.ScheduledService;
 import javafx.concurrent.Service;
 import javafx.concurrent.Task;
@@ -11,6 +13,8 @@ import org.slf4j.LoggerFactory;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.Reader;
+import java.net.InetSocketAddress;
+import java.net.Proxy;
 import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.util.*;
@@ -48,8 +52,9 @@ public enum ExchangeSource {
 
         private CoinbaseRates getRates() {
             String url = "https://api.coinbase.com/v2/exchange-rates?currency=BTC";
+            Proxy proxy = getProxy();
 
-            try(InputStream is = new URL(url).openStream(); Reader reader = new InputStreamReader(is, StandardCharsets.UTF_8)) {
+            try(InputStream is = (proxy == null ? new URL(url).openStream() : new URL(url).openConnection(proxy).getInputStream()); Reader reader = new InputStreamReader(is, StandardCharsets.UTF_8)) {
                 Gson gson = new Gson();
                 return gson.fromJson(reader, CoinbaseRates.class);
             } catch (Exception e) {
@@ -78,8 +83,9 @@ public enum ExchangeSource {
 
         private CoinGeckoRates getRates() {
             String url = "https://api.coingecko.com/api/v3/exchange_rates";
+            Proxy proxy = getProxy();
 
-            try(InputStream is = new URL(url).openStream(); Reader reader = new InputStreamReader(is, StandardCharsets.UTF_8)) {
+            try(InputStream is = (proxy == null ? new URL(url).openStream() : new URL(url).openConnection(proxy).getInputStream()); Reader reader = new InputStreamReader(is, StandardCharsets.UTF_8)) {
                 Gson gson = new Gson();
                 return gson.fromJson(reader, CoinGeckoRates.class);
             } catch (Exception e) {
@@ -110,6 +116,17 @@ public enum ExchangeSource {
         }
     }
 
+    private static Proxy getProxy() {
+        Config config = Config.get();
+        if(config.isUseProxy()) {
+            HostAndPort proxy = HostAndPort.fromString(config.getProxyServer());
+            InetSocketAddress proxyAddress = new InetSocketAddress(proxy.getHost(), proxy.getPortOrDefault(ProxyTcpOverTlsTransport.DEFAULT_PROXY_PORT));
+            return new Proxy(Proxy.Type.SOCKS, proxyAddress);
+        }
+
+        return null;
+    }
+
     @Override
     public String toString() {
         return name;

src/main/java/com/sparrowwallet/sparrow/preferences/GeneralPreferencesController.java

@@ -8,7 +8,7 @@ import com.sparrowwallet.sparrow.event.FeeRateSelectionChangedEvent;
 import com.sparrowwallet.sparrow.event.FiatCurrencySelectedEvent;
 import com.sparrowwallet.sparrow.event.VersionCheckStatusEvent;
 import com.sparrowwallet.sparrow.io.Config;
-import com.sparrowwallet.sparrow.io.ExchangeSource;
+import com.sparrowwallet.sparrow.net.ExchangeSource;
 import com.sparrowwallet.sparrow.wallet.FeeRateSelection;
 import javafx.beans.value.ChangeListener;
 import javafx.beans.value.ObservableValue;

src/main/java/com/sparrowwallet/sparrow/preferences/ServerPreferencesController.java

@@ -296,6 +296,10 @@ public class ServerPreferencesController extends PreferencesDetailController {
     @NotNull
     private ChangeListener<String> getProxyListener(Config config) {
         return (observable, oldValue, newValue) -> {
+            if(oldValue.trim().equals(newValue.trim())) {
+                return;
+            }
+
             String hostAsString = getHost(proxyHost.getText());
             Integer portAsInteger = getPort(proxyPort.getText());
             if(hostAsString != null && portAsInteger != null && isValidPort(portAsInteger)) {

src/main/java/com/sparrowwallet/sparrow/wallet/PaymentController.java

@@ -22,7 +22,7 @@ import com.sparrowwallet.sparrow.event.BitcoinUnitChangedEvent;
 import com.sparrowwallet.sparrow.event.ExchangeRatesUpdatedEvent;
 import com.sparrowwallet.sparrow.event.FiatCurrencySelectedEvent;
 import com.sparrowwallet.sparrow.io.Config;
-import com.sparrowwallet.sparrow.io.ExchangeSource;
+import com.sparrowwallet.sparrow.net.ExchangeSource;
 import javafx.application.Platform;
 import javafx.beans.value.ChangeListener;
 import javafx.beans.value.ObservableValue;

src/main/java/com/sparrowwallet/sparrow/wallet/SendController.java

@@ -12,7 +12,7 @@ import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.control.*;
 import com.sparrowwallet.sparrow.event.*;
 import com.sparrowwallet.sparrow.io.Config;
-import com.sparrowwallet.sparrow.io.ExchangeSource;
+import com.sparrowwallet.sparrow.net.ExchangeSource;
 import com.sparrowwallet.sparrow.net.ElectrumServer;
 import com.sparrowwallet.sparrow.net.MempoolRateSize;
 import javafx.application.Platform;

src/main/java/com/sparrowwallet/sparrow/wallet/TransactionsController.java

@@ -9,7 +9,7 @@ import com.sparrowwallet.sparrow.control.CoinLabel;
 import com.sparrowwallet.sparrow.control.FiatLabel;
 import com.sparrowwallet.sparrow.control.TransactionsTreeTable;
 import com.sparrowwallet.sparrow.event.*;
-import com.sparrowwallet.sparrow.io.ExchangeSource;
+import com.sparrowwallet.sparrow.net.ExchangeSource;
 import javafx.collections.ListChangeListener;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;

src/main/resources/com/sparrowwallet/sparrow/preferences/general.fxml

@@ -12,7 +12,7 @@
 <?import javafx.collections.FXCollections?>
 <?import javafx.geometry.Insets?>
 <?import com.sparrowwallet.drongo.BitcoinUnit?>
-<?import com.sparrowwallet.sparrow.io.ExchangeSource?>
+<?import com.sparrowwallet.sparrow.net.ExchangeSource?>
 <?import com.sparrowwallet.sparrow.control.UnlabeledToggleSwitch?>
 <?import com.sparrowwallet.sparrow.control.HelpLabel?>
 <?import com.sparrowwallet.sparrow.wallet.FeeRateSelection?>