Add network communication for hello-world example

js-sdk-examples/hello-world/aqua/hello-world.aqua

@@ -1,5 +1,12 @@
+import Peer from "@fluencelabs/aqua-lib/builtin.aqua"
+
 service HelloWorld("hello-world"):
     hello(str: string)
 
 func sayHello():
     HelloWorld.hello("Hello, world!")
+
+func getRelayTime() -> u64:
+    on HOST_PEER_ID:
+        ts <- Peer.timestamp_ms()
+    <- ts

js-sdk-examples/hello-world/package-lock.json

@@ -14,6 +14,7 @@
       },
       "devDependencies": {
         "@fluencelabs/aqua": "^0.3.0-226",
+        "@fluencelabs/aqua-lib": "^0.1.14",
         "chokidar-cli": "^3.0.0",
         "ts-node": "^10.2.1",
         "typescript": "^4.4.2"
@@ -82,6 +83,12 @@
         "aqua-j": "index-java.js"
       }
     },
+    "node_modules/@fluencelabs/aqua-lib": {
+      "version": "0.1.14",
+      "resolved": "https://registry.npmjs.org/@fluencelabs/aqua-lib/-/aqua-lib-0.1.14.tgz",
+      "integrity": "sha512-H2Q4gIvociUxc4J2mwmH0D+mrU2N2Z+enKCHgBCanMVEE2wZDsZ80GTbDKsQjEq+gpqbnJIk8lJBYW6lyvLJTg==",
+      "dev": true
+    },
     "node_modules/@fluencelabs/avm": {
       "version": "0.14.4",
       "resolved": "https://registry.npmjs.org/@fluencelabs/avm/-/avm-0.14.4.tgz",
@@ -3241,6 +3248,12 @@
       "integrity": "sha512-9o0TdgsVNcBvifqo7VqIkN62P9EReE0LUxgWG1rGHi9yxJiGElvEBvrVUzqShffF66Ene7VGEe85lhFIGCfDgg==",
       "dev": true
     },
+    "@fluencelabs/aqua-lib": {
+      "version": "0.1.14",
+      "resolved": "https://registry.npmjs.org/@fluencelabs/aqua-lib/-/aqua-lib-0.1.14.tgz",
+      "integrity": "sha512-H2Q4gIvociUxc4J2mwmH0D+mrU2N2Z+enKCHgBCanMVEE2wZDsZ80GTbDKsQjEq+gpqbnJIk8lJBYW6lyvLJTg==",
+      "dev": true
+    },
     "@fluencelabs/avm": {
       "version": "0.14.4",
       "resolved": "https://registry.npmjs.org/@fluencelabs/avm/-/avm-0.14.4.tgz",

js-sdk-examples/hello-world/package.json

@@ -12,6 +12,7 @@
   "license": "ISC",
   "devDependencies": {
     "@fluencelabs/aqua": "^0.3.0-226",
+    "@fluencelabs/aqua-lib": "^0.1.14",
     "chokidar-cli": "^3.0.0",
     "ts-node": "^10.2.1",
     "typescript": "^4.4.2"

js-sdk-examples/hello-world/src/_aqua/hello-world.ts

@@ -142,3 +142,72 @@ export function registerHelloWorld(peer: FluencePeer, serviceId: string, service
     return Promise.race([promise, Promise.resolve()]);
 }
       
+
+
+ export function getRelayTime(config?: {ttl?: number}) : Promise<number>;
+ export function getRelayTime(peer: FluencePeer, config?: {ttl?: number}) : Promise<number>;
+ export function getRelayTime(...args: any) {
+     let peer: FluencePeer;
+     
+     let config: any;
+     if (FluencePeer.isInstance(args[0])) {
+         peer = args[0];
+         config = args[1];
+     } else {
+         peer = Fluence.getPeer();
+         config = args[0];
+     }
+    
+     let request: RequestFlow;
+     const promise = new Promise<number>((resolve, reject) => {
+         const r = new RequestFlowBuilder()
+                 .disableInjections()
+                 .withRawScript(
+                     `
+     (xor
+ (seq
+  (seq
+   (call %init_peer_id% ("getDataSrv" "-relay-") [] -relay-)
+   (xor
+    (call -relay- ("peer" "timestamp_ms") [] ts)
+    (call %init_peer_id% ("errorHandlingSrv" "error") [%last_error% 1])
+   )
+  )
+  (xor
+   (call %init_peer_id% ("callbackSrv" "response") [ts])
+   (call %init_peer_id% ("errorHandlingSrv" "error") [%last_error% 2])
+  )
+ )
+ (call %init_peer_id% ("errorHandlingSrv" "error") [%last_error% 3])
+)
+
+                 `,
+                 )
+                 .configHandler((h) => {
+                     h.on('getDataSrv', '-relay-', () => {
+                    return peer.getStatus().relayPeerId;
+                });
+                
+                h.onEvent('callbackSrv', 'response', (args) => {
+    const [res] = args;
+  resolve(res);
+});
+
+                h.onEvent('errorHandlingSrv', 'error', (args) => {
+                    const [err] = args;
+                    reject(err);
+                });
+            })
+            .handleScriptError(reject)
+            .handleTimeout(() => {
+                reject('Request timed out for getRelayTime');
+            })
+        if(config && config.ttl) {
+            r.withTTL(config.ttl)
+        }
+        request = r.build();
+    });
+    peer.internals.initiateFlow(request!);
+    return promise;
+}
+      

js-sdk-examples/hello-world/src/index.ts

@@ -1,8 +1,13 @@
 import { Fluence } from "@fluencelabs/fluence";
-import { registerHelloWorld, sayHello } from "./_aqua/hello-world";
+import { krasnodar } from "@fluencelabs/fluence-network-environment";
+import {
+  registerHelloWorld,
+  sayHello,
+  getRelayTime,
+} from "./_aqua/hello-world";
 
 async function main() {
-  await Fluence.start();
+  await Fluence.start({ connectTo: krasnodar[0] });
 
   registerHelloWorld({
     hello: async (str) => {
@@ -12,6 +17,10 @@ async function main() {
 
   await sayHello();
 
+  const relayTime = await getRelayTime();
+
+  console.log("The relay time is: ", new Date(relayTime).toLocaleString());
+
   await Fluence.stop();
 }