WIP: Added network error handling

components/HooksEditor.tsx

@@ -1,28 +1,29 @@
-import React, { useEffect, useRef } from "react";
-import { useSnapshot, ref } from "valtio";
+import { listen } from "@codingame/monaco-jsonrpc";
+import { MonacoServices } from "@codingame/monaco-languageclient";
 import Editor, { loader } from "@monaco-editor/react";
+import uniqBy from "lodash.uniqby";
 import type monaco from "monaco-editor";
-import { ArrowBendLeftUp } from "phosphor-react";
 import { useTheme } from "next-themes";
 import { useRouter } from "next/router";
-import uniqBy from "lodash.uniqby";
-
-import Box from "./Box";
-import Container from "./Container";
-import dark from "../theme/editor/amy.json";
-import light from "../theme/editor/xcode_default.json";
+import { ArrowBendLeftUp } from "phosphor-react";
+import React, { useEffect, useRef } from "react";
+import toast from "react-hot-toast";
+import ReconnectingWebSocket from "reconnecting-websocket";
+import { ref, useSnapshot } from "valtio";
+import state from "../state";
 import { saveFile } from "../state/actions";
 import { apiHeaderFiles } from "../state/constants";
-import state from "../state";
-
+import dark from "../theme/editor/amy.json";
+import light from "../theme/editor/xcode_default.json";
+import { createLanguageClient, createWebSocket } from "../utils/languageClient";
+import docs from "../xrpl-hooks-docs/docs";
+import Box from "./Box";
+import Container from "./Container";
 import EditorNavigation from "./EditorNavigation";
 import Text from "./Text";
-import { MonacoServices } from "@codingame/monaco-languageclient";
-import { createLanguageClient, createWebSocket } from "../utils/languageClient";
-import { listen } from "@codingame/monaco-jsonrpc";
-import ReconnectingWebSocket from "reconnecting-websocket";
 
-import docs from "../xrpl-hooks-docs/docs";
+
+
 
 loader.config({
   paths: {
@@ -123,6 +124,7 @@ const HooksEditor = () => {
       setMarkers(monacoRef.current);
     }
   }, [snap.active]);
+
   return (
     <Box
       css={{
@@ -155,7 +157,7 @@ const HooksEditor = () => {
               );
             }
 
-            // create the web socket
+            // create the websocket
             if (!subscriptionRef.current) {
               monaco.languages.register({
                 id: "c",
@@ -164,11 +166,12 @@ const HooksEditor = () => {
                 mimetypes: ["text/plain"],
               });
               MonacoServices.install(monaco);
-              const webSocket = createWebSocket(
+
+              const webSocket: ReconnectingWebSocket = createWebSocket(
                 process.env.NEXT_PUBLIC_LANGUAGE_SERVER_API_ENDPOINT || ""
               );
               subscriptionRef.current = webSocket;
-              // listen when the web socket is opened
+              // listen when the websocket is opened
               listen({
                 webSocket: webSocket as WebSocket,
                 onConnection: (connection) => {
@@ -180,9 +183,14 @@ const HooksEditor = () => {
                       // disposable.stop();
                       disposable.dispose();
                     } catch (err) {
-                      console.log("err", err);
+                      toast.error('Connection to language server lost!')
+                      console.error("Couldn't dispose the language server connection! ", err);
                     }
                   });
+                  connection.onDispose(() => {
+                    toast.error('Connection to language server lost!')
+                  })
+                  // TODO: Check if we need to listen to more connection events
                 },
               });
             }

components/LogBox.tsx

@@ -1,22 +1,17 @@
+import NextLink from "next/link";
+import { Notepad, Prohibit } from "phosphor-react";
 import {
-  useRef,
-  useLayoutEffect,
-  ReactNode,
-  FC,
-  useState,
-  useCallback,
+  FC, ReactNode, useCallback, useLayoutEffect, useRef, useState
 } from "react";
-import { Notepad, Prohibit } from "phosphor-react";
 import useStayScrolled from "react-stay-scrolled";
-import NextLink from "next/link";
-
-import Container from "./Container";
-import LogText from "./LogText";
-import state, { ILog } from "../state";
-import { Pre, Link, Heading, Button, Text, Flex, Box } from ".";
 import regexifyString from "regexify-string";
 import { useSnapshot } from "valtio";
+import { Box, Button, Flex, Heading, Link, Pre, Text } from ".";
+import state, { ILog } from "../state";
 import { AccountDialog } from "./Accounts";
+import Container from "./Container";
+import LogText from "./LogText";
+
 
 interface ILogBox {
   title: string;
@@ -160,7 +155,7 @@ export const Log: FC<ILog> = ({
 
   const enrichAccounts = useCallback(
     (str?: string): ReactNode => {
-      if (!str || !accounts.length) return null;
+      if (!str) return null;
 
       const pattern = `(${accounts.map((acc) => acc.address).join("|")})`;
       const res = regexifyString({

state/actions/addFaucetAccount.ts

@@ -33,8 +33,6 @@ export const addFaucetAccount = async (showToast: boolean = false) => {
     return toast.error("You can only have maximum 6 accounts");
   }
   if (typeof window !== 'undefined') {
-
-
     const toastId = showToast ? toast.loading("Creating account") : "";
     const res = await fetch(`${window.location.origin}/api/faucet`, {
       method: "POST",
@@ -92,5 +90,4 @@ export const addFunds = async (address: string) => {
       currAccount.xrp = (Number(currAccount.xrp) + (json.xrp * 1000000)).toString();
     }
   }
-
-}
+}

state/actions/compileCode.ts

@@ -1,10 +1,10 @@
-import toast from "react-hot-toast";
 import Router from 'next/router';
-
+import toast from "react-hot-toast";
+import { ref } from "valtio";
+import { decodeBinary } from "../../utils/decodeBinary";
 import state from "../index";
 import { saveFile } from "./saveFile";
-import { decodeBinary } from "../../utils/decodeBinary";
-import { ref } from "valtio";
+
 
 /* compileCode sends the code of the active file to compile endpoint
  * If all goes well you will get base64 encoded wasm file back with
@@ -15,17 +15,22 @@ import { ref } from "valtio";
 export const compileCode = async (activeId: number) => {
   // Save the file to global state
   saveFile(false);
+
   if (!process.env.NEXT_PUBLIC_COMPILE_API_ENDPOINT) {
     throw Error("Missing env!");
   }
+
   // Bail out if we're already compiling
   if (state.compiling) {
     // if compiling is ongoing return
     return;
   }
+
   // Set loading state to true
   state.compiling = true;
+  // Reset development log
   state.logs = []
+
   try {
     const res = await fetch(process.env.NEXT_PUBLIC_COMPILE_API_ENDPOINT, {
       method: "POST",
@@ -46,6 +51,7 @@ export const compileCode = async (activeId: number) => {
     });
     const json = await res.json();
     state.compiling = false;
+
     if (!json.success) {
       state.logs.push({ type: "error", message: json.message });
       if (json.tasks && json.tasks.length > 0) {
@@ -57,16 +63,19 @@ export const compileCode = async (activeId: number) => {
       }
       return toast.error(`Couldn't compile!`, { position: "bottom-center" });
     }
+
     state.logs.push({
       type: "success",
       message: `File ${state.files?.[activeId]?.name} compiled successfully. Ready to deploy.`,
       link: Router.asPath.replace("develop", "deploy"),
       linkText: "Go to deploy",
     });
+
     // Decode base64 encoded wasm that is coming back from the endpoint
     const bufferData = await decodeBinary(json.output);
     state.files[state.active].compiledContent = ref(bufferData);
     state.files[state.active].lastCompiled = new Date();
+
     // Import wabt from and create human readable version of wasm file and
     // put it into state
     import("wabt").then((wabt) => {
@@ -80,12 +89,22 @@ export const compileCode = async (activeId: number) => {
       state.files[state.active].compiledWatContent = wast;
       toast.success("Compiled successfully!", { position: "bottom-center" });
     });
-  } catch (err) {
-    console.log(err);
-    state.logs.push({
-      type: "error",
-      message: "Error occured while compiling!",
-    });
+  } catch (err: any) {
+    const error = err as Error
+
+    // TODO: Centralized error handling? Just a thought
+    if(error.message.includes("Failed to fetch")) {
+      state.logs.push({
+        type: "error",
+        message: "No connection to the compiler server!",
+      });
+    } else {
+      state.logs.push({
+        type: "error",
+        message: "Error occured while compiling!",
+      });
+    }
+
     state.compiling = false;
   }
 };

state/actions/deployHook.ts

@@ -1,9 +1,10 @@
-import { derive, sign } from "xrpl-accountlib";
 import toast from "react-hot-toast";
-
-import state, { IAccount } from "../index";
-import calculateHookOn, { TTS } from "../../utils/hookOnCalculator";
+import { derive, sign } from "xrpl-accountlib";
+import { AnyJson } from "xrpl-client";
 import { SetHookData } from "../../components/SetHookDialog";
+import calculateHookOn, { TTS } from "../../utils/hookOnCalculator";
+import state, { IAccount } from "../index";
+
 
 const hash = async (string: string) => {
   const utf8 = new TextEncoder().encode(string);
@@ -51,19 +52,22 @@ function arrayBufferToHex(arrayBuffer?: ArrayBuffer | null) {
  * hex string, signs the transaction and deploys it to
  * Hooks testnet.
  */
-export const deployHook = async (account: IAccount & { name?: string }, data: SetHookData) => {
+export const deployHook = async (account: IAccount & { name?: string }, data: SetHookData): Promise<AnyJson | undefined> => {
   if (
     !state.files ||
     state.files.length === 0 ||
     !state.files?.[state.active]?.compiledContent
   ) {
+    console.log("ebin1")
     return;
   }
 
   if (!state.files?.[state.active]?.compiledContent) {
+    console.log("ebin2")
     return;
   }
   if (!state.client) {
+    console.log("ebin3")
     return;
   }
   const HookNamespace = await hash(arrayBufferToHex(
@@ -136,6 +140,7 @@ export const deployHook = async (account: IAccount & { name?: string }, data: Se
         });
       }
     } catch (err) {
+      console.log("Ebin")
       console.log(err);
       state.deployLogs.push({
         type: "error",
@@ -220,4 +225,4 @@ export const deleteHook = async (account: IAccount & { name?: string }) => {
     }
     return submitRes;
   }
-};
+};

utils/languageClient.ts

@@ -1,5 +1,5 @@
 import { MessageConnection } from "@codingame/monaco-jsonrpc";
-import { MonacoLanguageClient, ErrorAction, CloseAction, createConnection } from "@codingame/monaco-languageclient";
+import { CloseAction, createConnection, ErrorAction, MonacoLanguageClient } from "@codingame/monaco-languageclient";
 import Router from "next/router";
 import normalizeUrl from "normalize-url";
 import ReconnectingWebSocket from "reconnecting-websocket";
@@ -37,7 +37,7 @@ export function createUrl(path: string): string {
   return normalizeUrl(`${protocol}://${location.host}${location.pathname}${path}`);
 }
 
-export function createWebSocket(url: string) {
+export function createWebSocket(url: string): ReconnectingWebSocket {
   const socketOptions = {
     maxReconnectionDelay: 10000,
     minReconnectionDelay: 1000,
@@ -47,4 +47,4 @@ export function createWebSocket(url: string) {
     debug: false
   };
   return new ReconnectingWebSocket(url, [], socketOptions);
-}
+}