Fix StackOverFlowError due to interceptors being added in loop

Author: rishabh9

src/main/java/com/github/rishabh9/riko/upstox/common/ServiceGenerator.java

@@ -166,6 +166,8 @@ public <S> S createService(@Nonnull final Class<S> serviceClass,
     public <S> S createService(@Nonnull final Class<S> serviceClass,
                                @Nullable final AuthHeaders headers) {
 
+        httpClient.interceptors().clear(); // Fix StackOverFlowError
+
         enableAuthentication(headers);
         if (log.isDebugEnabled()) {
             enableHttpLogging();

src/main/java/com/github/rishabh9/riko/upstox/common/interceptors/AuthenticationInterceptor.java

@@ -29,6 +29,7 @@
 import okhttp3.Response;
 
 import java.io.IOException;
+import java.util.Objects;
 
 /**
  * Retrofit2 interceptor to add common authentication headers to every request.
@@ -54,4 +55,18 @@ public Response intercept(Interceptor.Chain chain) throws IOException {
         Request request = builder.build();
         return chain.proceed(request);
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        AuthenticationInterceptor that = (AuthenticationInterceptor) o;
+        return Objects.equals(authToken, that.authToken) &&
+                Objects.equals(apiKey, that.apiKey);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(authToken, apiKey);
+    }
 }