feat: POW miner

packages/app/src/chat/nip24.ts

@@ -1,12 +1,13 @@
 import { ExternalStore, dedupe } from "@snort/shared";
 import {
   EventKind,
-  SystemInterface,
   NostrPrefix,
   encodeTLVEntries,
   TLVEntryType,
   TLVEntry,
   decodeTLV,
+  PowWorker,
+  NostrEvent,
 } from "@snort/system";
 import { GiftWrapCache } from "Cache/GiftWrapCache";
 import { UnwrappedGift } from "Db";
@@ -103,16 +104,23 @@ export class Nip24ChatSystem extends ExternalStore<Array<Chat>> implements ChatS
           }
           return eb;
         });
-        const messages = [];
+        const messages: Array<Promise<NostrEvent>> = [];
+        const powTarget = 4 * 4; // 4-char zero
         for (const pt of participants) {
-          const recvSealedN = await pub.giftWrap(await pub.sealRumor(gossip, pt.id), pt.id);
+          const recvSealedN = pub.giftWrap(
+            await pub.sealRumor(gossip, pt.id),
+            pt.id,
+            powTarget,
+            new PowWorker("/pow.js")
+          );
           messages.push(recvSealedN);
         }
-        const sendSealed = await pub.giftWrap(await pub.sealRumor(gossip, pub.pubKey), pub.pubKey);
-        return [...messages, sendSealed];
+        messages.push(
+          pub.giftWrap(await pub.sealRumor(gossip, pub.pubKey), pub.pubKey, powTarget, new PowWorker("/pow.js"))
+        );
+        return await Promise.all(messages);
       },
-      sendMessage: (ev, system: SystemInterface) => {
-        console.debug(ev);
+      sendMessage: (ev, system) => {
         ev.forEach(a => system.BroadcastEvent(a));
       },
     } as Chat;

packages/app/webpack.config.js

@@ -17,6 +17,10 @@ const config = {
       import: "./src/service-worker.ts",
       filename: "service-worker.js",
     },
+    pow: {
+      import: require.resolve("@snort/system/dist/pow-worker.js"),
+      filename: "pow.js",
+    },
   },
   target: "browserslist",
   mode: isProduction ? "production" : "development",
@@ -24,12 +28,7 @@ const config = {
   output: {
     publicPath: "/",
     path: path.resolve(__dirname, "build"),
-    filename: ({ runtime }) => {
-      if (runtime === "sw") {
-        return "[name].js";
-      }
-      return isProduction ? "[name].[chunkhash].js" : "[name].js";
-    },
+    filename: isProduction ? "[name].[chunkhash].js" : "[name].js",
     clean: isProduction,
   },
   devServer: {
@@ -50,7 +49,7 @@ const config = {
     new HtmlWebpackPlugin({
       template: "public/index.html",
       favicon: "public/favicon.ico",
-      excludeChunks: ["sw"],
+      excludeChunks: ["sw", "pow"],
     }),
     new ESLintPlugin({
       extensions: ["js", "mjs", "jsx", "ts", "tsx"],