wip: example bot

Author: transmissions11

packages/client/src/mud/stash.ts

@@ -1,4 +1,8 @@
 import { createStash } from "@latticexyz/stash/internal";
 import config from "contracts/mud.config";
 
-export const stash: ReturnType<typeof createStash<typeof config>> = createStash(config);
+// For some reason when importing config in Node.js, instead of just
+// being the object, it's wrapped in an object with a `default` property.
+export const stash: ReturnType<typeof createStash<typeof config>> = createStash(
+  "default" in config ? (config.default as typeof config) : config
+);

packages/example-bot/.env.example

@@ -0,0 +1 @@
+PRIVATE_KEY=0x...

packages/example-bot/.gitignore

@@ -0,0 +1,2 @@
+*.db
+.env

packages/example-bot/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "example-bot",
+  "version": "1.0.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "build": "tsc",
+    "start": "tsx src/bot.ts"
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "@types/node": "^18.15.11",
+    "@types/yargs": "^17.0.32",
+    "tsx": "^4.16.2"
+  },
+  "dependencies": {
+    "@franciscokloganb/local-storage-polyfill": "^0.1.0",
+    "viem": "^2.29.1",
+    "yargs": "^17.7.2"
+  }
+}

packages/example-bot/src/bot.ts

@@ -0,0 +1,48 @@
+import "dotenv/config";
+import { http, fallback, webSocket, createPublicClient } from "viem";
+import { Entity } from "../../client/src/utils/game/entityLib";
+import { LiveState } from "../../client/src/utils/sync";
+import { GameConfig } from "../../client/src/utils/game/configLib";
+
+import { stash } from "../../client/src/mud/stash";
+import { Stash } from "@latticexyz/stash/internal";
+import { syncToStash } from "@latticexyz/store-sync/internal";
+import { ODYSSEY_CHAIN } from "../../client/src/utils/chains";
+import Worlds from "../../contracts/worlds.json";
+
+const chain = ODYSSEY_CHAIN;
+const WORLD_ADDRESS = Worlds[chain.id]?.address as `0x${string}`;
+if (!WORLD_ADDRESS) throw new Error(`No world address found for chain ${chain.id}`);
+const START_BLOCK = Worlds[chain.id]!.blockNumber!;
+
+const publicClient = createPublicClient({
+  chain,
+  transport: fallback([webSocket(), http()]),
+  pollingInterval: 100,
+  cacheTime: 100,
+});
+
+function botDecision(
+  bot: Entity,
+  liveState: LiveState,
+  gameConfig: GameConfig,
+  decision: "vertical" | "horizontal",
+  wadTime: bigint
+): [string, string] {
+  // TODO
+  return ["up", "right"];
+}
+
+export async function main() {
+  syncToStash({
+    stash: stash as Stash,
+    startSync: true,
+    address: WORLD_ADDRESS,
+    startBlock: BigInt(START_BLOCK ?? 0),
+    publicClient: publicClient as any,
+    indexerUrl: chain.indexerUrl,
+  });
+}
+
+console.log("Starting bot...", WORLD_ADDRESS, START_BLOCK);
+await main();

packages/example-bot/tsconfig.json

@@ -0,0 +1,10 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "module": "ESNext",
+    "moduleResolution": "Node",
+    "esModuleInterop": true,
+    "jsx": "react"
+  },
+  "include": ["src"]
+}