remove guava dependency

build.gradle

@@ -4,7 +4,7 @@ plugins {
 }
 
 group = 'com.sparrowwallet'
-version = '1.0.5'
+version = '1.0.6'
 
 def secrets = new Properties()
 file("publish.properties").withInputStream {
@@ -24,7 +24,6 @@ dependencies {
     implementation('org.eclipse.jetty:jetty-client:9.4.54.v20240208')
     implementation('io.reactivex.rxjava2:rxjava:2.2.15')
     implementation('org.apache.commons:commons-lang3:3.7')
-    implementation('com.google.guava:guava:33.0.0-jre')
     implementation('org.slf4j:slf4j-api:2.0.12')
     testImplementation platform('org.junit:junit-bom:5.10.0')
     testImplementation('org.junit.jupiter:junit-jupiter')

src/main/java/com/sparrowwallet/tern/http/client/DefaultHttpProxySupplier.java

@@ -0,0 +1,41 @@
+package com.sparrowwallet.tern.http.client;
+
+import java.util.Optional;
+
+public class DefaultHttpProxySupplier implements IHttpProxySupplier {
+    private final String host;
+    private final int port;
+    private final HttpProxy httpProxy;
+
+    public DefaultHttpProxySupplier(String host, int port) {
+        this.host = host;
+        this.port = port;
+        this.httpProxy = computeHttpProxy(host, port);
+    }
+
+    private HttpProxy computeHttpProxy(String host, int port) {
+        if(host == null || host.isEmpty() || port < 0) {
+            return null;
+        }
+
+        return new HttpProxy(HttpProxyProtocol.SOCKS, host, port);
+    }
+
+    public String getHost() {
+        return host;
+    }
+
+    public int getPort() {
+        return port;
+    }
+
+    @Override
+    public Optional<HttpProxy> getHttpProxy(HttpUsage httpUsage) {
+        return Optional.ofNullable(httpProxy);
+    }
+
+    @Override
+    public void changeIdentity() {
+        //not implemented
+    }
+}

src/main/java/com/sparrowwallet/tern/http/client/HttpClientService.java

@@ -1,6 +1,5 @@
 package com.sparrowwallet.tern.http.client;
 
-import com.google.common.net.HostAndPort;
 import io.reactivex.Observable;
 
 import java.util.Map;
@@ -17,8 +16,8 @@ public HttpClientService(int requestTimeout) {
         this(requestTimeout, null);
     }
 
-    public HttpClientService(HostAndPort torProxy) {
-        this(DEFAULT_REQUEST_TIMEOUT, new TorHttpProxySupplier(torProxy));
+    public HttpClientService(String host, int port) {
+        this(DEFAULT_REQUEST_TIMEOUT, new DefaultHttpProxySupplier(host, port));
     }
 
     public HttpClientService(IHttpProxySupplier httpProxySupplier) {
@@ -41,20 +40,4 @@ public String postString(String url, Map<String, String> headers, String content
         IHttpClient httpClient = getHttpClient(HttpUsage.DEFAULT);
         return AsyncUtil.getInstance().blockingGet(httpClient.postString(url, headers, contentType, content)).get();
     }
-
-    public HostAndPort getTorProxy() {
-        if(getHttpProxySupplier() instanceof TorHttpProxySupplier torHttpProxySupplier) {
-            return torHttpProxySupplier.getTorProxy();
-        }
-
-        return null;
-    }
-
-    public void setTorProxy(HostAndPort torProxy) {
-        if(getHttpProxySupplier() instanceof TorHttpProxySupplier torHttpProxySupplier) {
-            //Ensure all http clients are shutdown first
-            stop();
-            torHttpProxySupplier._setTorProxy(torProxy);
-        }
-    }
 }

src/main/java/com/sparrowwallet/tern/http/client/JettyHttpClientService.java

@@ -1,6 +1,5 @@
 package com.sparrowwallet.tern.http.client;
 
-import com.google.common.util.concurrent.RateLimiter;
 import com.sparrowwallet.tern.http.client.socks5.Socks5Proxy;
 import org.eclipse.jetty.client.HttpClient;
 import org.eclipse.jetty.client.ProxyConfiguration;
@@ -24,7 +23,7 @@ public class JettyHttpClientService implements IHttpClientService {
     public static final long DEFAULT_TIMEOUT = 30000;
 
     // limit changing Tor identity on network error every 4 minutes
-    private static final double RATE_CHANGE_IDENTITY_ON_NETWORK_ERROR = 1.0 / 240;
+    private static final int RATE_CHANGE_IDENTITY_ON_NETWORK_ERROR = 4 * 60 * 1000;
 
     static {
         Log.getProperties().setProperty("org.eclipse.jetty.util.log.announce", "false");
@@ -96,7 +95,7 @@ protected HttpClient computeJettyClient(HttpUsage httpUsage) {
     }
 
     protected Consumer<Exception> computeOnNetworkError() {
-        RateLimiter rateLimiter = RateLimiter.create(RATE_CHANGE_IDENTITY_ON_NETWORK_ERROR);
+        RateLimiter rateLimiter = new RateLimiter(1, RATE_CHANGE_IDENTITY_ON_NETWORK_ERROR);
         return e -> {
             if(!rateLimiter.tryAcquire()) {
                 if(log.isDebugEnabled()) {

src/main/java/com/sparrowwallet/tern/http/client/RateLimiter.java

@@ -0,0 +1,43 @@
+package com.sparrowwallet.tern.http.client;
+
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.locks.ReentrantLock;
+
+public class RateLimiter {
+    private final int maxTokens;
+    private final long refillIntervalMillis;
+    private final AtomicInteger tokens;
+    private long lastRefillTimestamp;
+    private final ReentrantLock lock = new ReentrantLock();
+
+    public RateLimiter(int maxTokens, long refillIntervalMillis) {
+        this.maxTokens = maxTokens;
+        this.refillIntervalMillis = refillIntervalMillis;
+        this.tokens = new AtomicInteger(maxTokens);
+        this.lastRefillTimestamp = System.currentTimeMillis();
+    }
+
+    public boolean tryAcquire() {
+        refill();
+        if (tokens.get() > 0) {
+            tokens.decrementAndGet();
+            return true;
+        }
+        return false;
+    }
+
+    private void refill() {
+        lock.lock();
+        try {
+            long now = System.currentTimeMillis();
+            long elapsed = now - lastRefillTimestamp;
+            if (elapsed > refillIntervalMillis) {
+                int tokensToAdd = (int) (elapsed / refillIntervalMillis);
+                tokens.set(Math.min(maxTokens, tokens.get() + tokensToAdd));
+                lastRefillTimestamp = now;
+            }
+        } finally {
+            lock.unlock();
+        }
+    }
+}

src/main/java/module-info.java

@@ -1,6 +1,5 @@
 module com.sparrowwallet.tern {
     requires java.management;
-    requires com.google.common;
     requires io.reactivex.rxjava2;
     requires com.fasterxml.jackson.databind;
     requires org.eclipse.jetty.io;