sendWeb3Request method in StatusModule

modules/react-native-status/android/src/main/java/im/status/ethereum/module/StatusModule.java

@@ -32,6 +32,7 @@ class StatusModule extends ReactContextBaseJavaModule implements LifecycleEventL
     private ServiceConnector status = null;
     private ExecutorService executor = null;
     private boolean debug;
+    private Web3Bridge w3Bridge = new Web3Bridge();
 
     StatusModule(ReactApplicationContext reactContext, boolean debug) {
         super(reactContext);
@@ -186,6 +187,7 @@ class StatusModule extends ReactContextBaseJavaModule implements LifecycleEventL
             return;
         }
 
+        this.w3Bridge = new Web3Bridge();
         Thread thread = new Thread() {
             @Override
             public void run() {
@@ -481,4 +483,16 @@ class StatusModule extends ReactContextBaseJavaModule implements LifecycleEventL
     public void onConnectorDisconnected() {
 
     }
+
+    @ReactMethod
+    public void sendWeb3Request(final String host, final String payload, final Callback callback) {
+        Thread thread = new Thread() {
+            @Override
+            public void run() {
+                w3Bridge.sendRequest(host, payload, callback);
+            }
+        };
+
+        thread.start();
+    }
 }

modules/react-native-status/android/src/main/java/im/status/ethereum/module/Web3Bridge.java

@@ -0,0 +1,36 @@
+package im.status.ethereum.module;
+
+import android.os.Build;
+import com.facebook.react.bridge.Callback;
+import okhttp3.*;
+
+import java.io.IOException;
+import java.util.concurrent.TimeUnit;
+
+public class Web3Bridge {
+    public static final MediaType JSON = MediaType.parse("application/json; charset=utf-8");
+    private OkHttpClient client;
+
+    public Web3Bridge() {
+        OkHttpClient.Builder b = new OkHttpClient.Builder();
+        b.readTimeout(310, TimeUnit.SECONDS);
+        client = b.build();
+    }
+
+    public void sendRequest(final String host, final String json, final Callback callback) {
+
+        RequestBody body = RequestBody.create(JSON, json);
+        Request request = new Request.Builder()
+                .url(host)
+                .post(body)
+                .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            String rpcResponse = response.body().string().trim();
+
+            callback.invoke(rpcResponse);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

modules/react-native-status/ios/RCTStatus/RCTStatus.m

@@ -312,6 +312,39 @@ RCT_EXPORT_METHOD(clearStorageAPIs) {
     }
 }
 
+RCT_EXPORT_METHOD(sendWeb3Request:(NSString *)host
+                  password:(NSString *)payload
+                  callback:(RCTResponseSenderBlock)callback) {
+    
+    NSData *postData = [payload dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
+    
+    NSString *postLength = [NSString stringWithFormat:@"%d", [postData length]];
+    
+    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
+    [request setURL:[NSURL URLWithString:host]];
+    [request setHTTPMethod:@"POST"];
+    [request setValue:postLength forHTTPHeaderField:@"Content-Length"];
+    [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
+    [request setHTTPBody:postData];
+    [request setTimeoutInterval:310];
+    
+    NSError *error;
+    
+    NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
+    NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration delegate:self delegateQueue:nil];
+    
+    NSURLSessionDataTask *postDataTask = [session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
+        NSString *strResponse = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+        NSString *trimmedResponse = [strResponse stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+        
+        callback(@[trimmedResponse]);
+    }];
+    
+    [postDataTask resume];
+}
+
+
+
 + (void)signalEvent:(const char *) signal
 {
     if(!signal){

package.json

@@ -74,7 +74,7 @@
     "react-native-tcp": "^3.2.1",
     "react-native-udp": "^2.0.0",
     "react-native-vector-icons": "^4.0.1",
-    "react-native-webview-bridge": "github:status-im/react-native-webview-bridge#react-native-0.40",
+    "react-native-webview-bridge": "github:status-im/react-native-webview-bridge#0.33.12",
     "readable-stream": "^1.0.33",
     "realm": "^0.14.3",
     "stream-browserify": "^1.0.0",

resources/web3_init.js

@@ -111,11 +111,8 @@ var protocol = window.location.protocol
 var address = providerAddress || "http://localhost:8545";
 console.log(protocol);
 if (typeof web3 === "undefined") {
-    if (protocol == "https:") {
+    if (protocol == "https:" || protocol == "http:") {
         console.log("StatusHttpProvider");
         web3 = new Web3(new StatusHttpProvider(address));
-    } else if (protocol == "http:") {
-        console.log("HttpProvider");
-        web3 = new Web3(new Web3.providers.HttpProvider(address));
     }
 }

src/status_im/android/core.cljs

@@ -4,6 +4,7 @@
             [status-im.handlers]
             [status-im.subs]
             [status-im.components.react :refer [app-registry
+                                                app-state
                                                 keyboard
                                                 orientation
                                                 back-android
@@ -75,6 +76,9 @@
     current-view
     :chat))
 
+(defn app-state-change-handler [state]
+  (dispatch [:app-state-change state]))
+
 (defn app-root []
   (let [signed-up?      (subscribe [:signed-up?])
         view-id         (subscribe [:get :view-id])
@@ -102,10 +106,12 @@
                        "keyboardDidHide"
                        #(when-not (= 0 @keyboard-height)
                           (dispatch [:set :keyboard-height 0])))
-         (.hide splash-screen))
+         (.hide splash-screen)
+         (.addEventListener app-state "change" app-state-change-handler))
        :component-will-unmount
        (fn []
-         (.stop http-bridge))
+         (.stop http-bridge)
+         (.removeEventListener app-state "change" app-state-change-handler))
        :render
        (fn []
          (when @view-id

src/status_im/components/react.cljs

@@ -19,6 +19,7 @@
 ;; React Components
 
 (def app-registry (get-react-property "AppRegistry"))
+(def app-state (get-react-property "AppState"))
 (def navigator (get-class "Navigator"))
 (def view (get-class "View"))
 

src/status_im/components/status.cljs

@@ -158,3 +158,7 @@
 
 (def adjust-resize 16)
 (def adjust-pan 32)
+
+(defn call-web3 [host payload callback]
+  (when status
+    (call-module #(.sendWeb3Request status host payload callback))))

src/status_im/handlers.cljs

@@ -125,9 +125,9 @@
         (case type
           "transaction.queued" (dispatch [:transaction-queued event])
           "transaction.failed" (dispatch [:transaction-failed event])
-          "node.started"       (dispatch [:status-node-started!])
+          "node.started" (dispatch [:status-node-started!])
           "module.initialized" (dispatch [:status-module-initialized!])
-          "local_storage.set"  (dispatch [:set-local-storage event])
+          "local_storage.set" (dispatch [:set-local-storage event])
           (log/debug "Event " type " not handled"))))))
 
 (register-handler :status-module-initialized!
@@ -146,6 +146,16 @@
     (fn [_ _]
       (log/debug "crypt initialized"))))
 
+(register-handler :app-state-change
+  (u/side-effect!
+    (fn [{:keys [webview-bridge] :as db} [_ state]]
+      (case state
+        "background" (status/stop-rpc-server)
+        "active" (do (status/start-rpc-server)
+                     (when webview-bridge
+                       (.resetOkHttpClient webview-bridge)))
+        nil))))
+
 ;; -- User data --------------------------------------------------------------
 (register-handler :load-user-phone-number
   (fn [db [_]]

src/status_im/protocol/web3/utils.cljs

@@ -1,6 +1,7 @@
 (ns status-im.protocol.web3.utils
   (:require [cljs-time.core :refer [now]]
-            [cljs-time.coerce :refer [to-long]]))
+            [cljs-time.coerce :refer [to-long]]
+            [status-im.utils.web-provider :as w3]))
 
 (def web3 (js/require "web3"))
 
@@ -18,7 +19,7 @@
 
 (defn make-web3 [rpc-url]
   (->> rpc-url
-       web3.providers.HttpProvider.
+       w3/get-provider
        web3.))
 
 (defn timestamp []

src/status_im/utils/ethereum_network.cljs

@@ -1,10 +1,11 @@
 (ns status-im.utils.ethereum-network
-  (:require [status-im.constants :as c]))
+  (:require [status-im.constants :as c]
+            [status-im.utils.web-provider :as w3]))
 
 (def Web3 (js/require "web3"))
 
 (defn web3 []
-  (Web3. (Web3.providers.HttpProvider. c/ethereum-rpc-url)))
+  (Web3. (w3/get-provider c/ethereum-rpc-url)))
 
 (def networks
   {"0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3" :mainnet

src/status_im/utils/web_provider.cljs

@@ -0,0 +1,13 @@
+(ns status-im.utils.web-provider
+  (:require [taoensso.timbre :as log]
+            [status-im.components.status :as status]))
+
+(defn get-provider [rpc-url]
+  #js {:sendAsync (fn [payload callback]
+                    (status/call-web3
+                      rpc-url
+                      (.stringify js/JSON payload)
+                      (fn [response]
+                        (if (= "" response)
+                          (log/warn :web3-response-error)
+                          (callback nil (.parse js/JSON response))))))})