feat: Adding plugin for Cronos ZKEVM

.env.example

@@ -340,3 +340,7 @@ STORY_PRIVATE_KEY= # Story private key
 STORY_API_BASE_URL= # Story API base URL
 STORY_API_KEY= # Story API key
 PINATA_JWT= # Pinata JWT for uploading files to IPFS
+
+# Cronos zkEVM
+CRONOSZKEVM_ADDRESS=
+CRONOSZKEVM_PRIVATE_KEY=

agent/package.json

@@ -52,6 +52,7 @@
         "@elizaos/plugin-multiversx": "workspace:*",
         "@elizaos/plugin-near": "workspace:*",
         "@elizaos/plugin-zksync-era": "workspace:*",
+        "@elizaos/plugin-cronoszkevm": "workspace:*",
         "@elizaos/plugin-3d-generation": "workspace:*",
         "readline": "1.3.0",
         "ws": "8.18.0",

agent/src/index.ts

@@ -56,6 +56,7 @@ import { suiPlugin } from "@elizaos/plugin-sui";
 import { TEEMode, teePlugin } from "@elizaos/plugin-tee";
 import { tonPlugin } from "@elizaos/plugin-ton";
 import { zksyncEraPlugin } from "@elizaos/plugin-zksync-era";
+import { cronosZkEVMPlugin } from "@elizaos/plugin-cronoszkEVM";
 import { abstractPlugin } from "@elizaos/plugin-abstract";
 import Database from "better-sqlite3";
 import fs from "fs";
@@ -181,7 +182,7 @@ export async function loadCharacters(
 
                 // .id isn't really valid
                 const characterId = character.id || character.name;
-                const characterPrefix = `CHARACTER.${characterId.toUpperCase().replace(/ /g, '_')}.`;
+                const characterPrefix = `CHARACTER.${characterId.toUpperCase().replace(/ /g, "_")}.`;
 
                 const characterSettings = Object.entries(process.env)
                     .filter(([key]) => key.startsWith(characterPrefix))
@@ -194,7 +195,7 @@ export async function loadCharacters(
                     character.settings = character.settings || {};
                     character.settings.secrets = {
                         ...characterSettings,
-                        ...character.settings.secrets
+                        ...character.settings.secrets,
                     };
                 }
 
@@ -536,9 +537,7 @@ export async function createAgent(
             getSecret(character, "HEURIST_API_KEY")
                 ? imageGenerationPlugin
                 : null,
-            getSecret(character, "FAL_API_KEY") 
-                ? ThreeDGenerationPlugin
-                : null,
+            getSecret(character, "FAL_API_KEY") ? ThreeDGenerationPlugin : null,
             ...(getSecret(character, "COINBASE_API_KEY") &&
             getSecret(character, "COINBASE_PRIVATE_KEY")
                 ? [
@@ -567,6 +566,9 @@ export async function createAgent(
             getSecret(character, "APTOS_PRIVATE_KEY") ? aptosPlugin : null,
             getSecret(character, "MVX_PRIVATE_KEY") ? multiversxPlugin : null,
             getSecret(character, "ZKSYNC_PRIVATE_KEY") ? zksyncEraPlugin : null,
+            getSecret(character, "CRONOSZKEVM_PRIVATE_KEY")
+                ? cronosZkEVMPlugin
+                : null,
             getSecret(character, "TON_PRIVATE_KEY") ? tonPlugin : null,
             getSecret(character, "SUI_PRIVATE_KEY") ? suiPlugin : null,
             getSecret(character, "STORY_PRIVATE_KEY") ? storyPlugin : null,

packages/plugin-cronoszkevm/package.json

@@ -0,0 +1,20 @@
+{
+    "name": "@elizaos/plugin-cronoszkevm",
+    "version": "0.1.4-alpha.3",
+    "main": "dist/index.js",
+    "type": "module",
+    "types": "dist/index.d.ts",
+    "dependencies": {
+        "@elizaos/core": "workspace:*",
+        "@elizaos/plugin-trustdb": "workspace:*",
+        "tsup": "^8.3.5",
+        "web3": "^4.15.0",
+        "web3-plugin-zksync": "^1.0.8"
+    },
+    "scripts": {
+        "build": "tsup --format esm --dts"
+    },
+    "peerDependencies": {
+        "whatwg-url": "7.1.0"
+    }
+}

packages/plugin-cronoszkevm/src/actions/transfer.ts

@@ -0,0 +1,231 @@
+import {
+    ActionExample,
+    Content,
+    HandlerCallback,
+    IAgentRuntime,
+    Memory,
+    ModelClass,
+    State,
+    type Action,
+    elizaLogger,
+    composeContext,
+    generateObject,
+} from "@elizaos/core";
+import { validateCronosZkevmConfig } from "../enviroment";
+
+import { Web3 } from "web3";
+import {
+    ZKsyncPlugin,
+    ZKsyncWallet,
+    types,
+    Web3ZKsyncL2,
+} from "web3-plugin-zksync";
+
+export interface TransferContent extends Content {
+    tokenAddress: string;
+    recipient: string;
+    amount: string | number;
+}
+
+export function isTransferContent(
+    content: TransferContent
+): content is TransferContent {
+    // Validate types
+    const validTypes =
+        typeof content.tokenAddress === "string" &&
+        typeof content.recipient === "string" &&
+        (typeof content.amount === "string" ||
+            typeof content.amount === "number");
+    if (!validTypes) {
+        return false;
+    }
+
+    // Validate addresses
+    const validAddresses =
+        content.tokenAddress.startsWith("0x") &&
+        content.tokenAddress.length === 42 &&
+        content.recipient.startsWith("0x") &&
+        content.recipient.length === 42;
+
+    return validAddresses;
+}
+
+const transferTemplate = `Respond with a JSON markdown block containing only the extracted values. Use null for any values that cannot be determined.
+
+Here are several frequently used addresses. Use these for the corresponding tokens:
+- ZKCRO/zkCRO: 0x000000000000000000000000000000000000800A
+- USDC/usdc: 0xaa5b845f8c9c047779bedf64829601d8b264076c
+- ETH/eth: 0x898b3560affd6d955b1574d87ee09e46669c60ea
+
+Example response:
+\`\`\`json
+{
+    "tokenAddress": "0xaa5b845f8c9c047779bedf64829601d8b264076c",
+    "recipient": "0xCCa8009f5e09F8C5dB63cb0031052F9CB635Af62",
+    "amount": "1000"
+}
+\`\`\`
+
+{{recentMessages}}
+
+Given the recent messages, extract the following information about the requested token transfer:
+- Token contract address
+- Recipient wallet address
+- Amount to transfer
+
+Respond with a JSON markdown block containing only the extracted values.`;
+
+export default {
+    name: "SEND_TOKEN",
+    similes: [
+        "TRANSFER_TOKEN_ON_CRONOSZKEVM",
+        "TRANSFER_TOKENS_ON_CRONOSZK",
+        "SEND_TOKENS_ON_CRONOSZKEVM",
+        "SEND_TOKENS_ON_CRONOSZK",
+        "SEND_ETH_ON_CRONOSZKEVM",
+        "SEND_ETH_ON_CRONOSZK",
+        "PAY_ON_CRONOSZKEVM",
+        "PAY_ON_CRONOSZK",
+    ],
+    validate: async (runtime: IAgentRuntime, message: Memory) => {
+        await validateCronosZkevmConfig(runtime);
+        return true;
+    },
+    description: "Transfer tokens from the agent's wallet to another address",
+    handler: async (
+        runtime: IAgentRuntime,
+        message: Memory,
+        state: State,
+        _options: { [key: string]: unknown },
+        callback?: HandlerCallback
+    ): Promise<boolean> => {
+        elizaLogger.log("Starting SEND_TOKEN handler...");
+
+        // Initialize or update state
+        if (!state) {
+            state = (await runtime.composeState(message)) as State;
+        } else {
+            state = await runtime.updateRecentMessageState(state);
+        }
+
+        // Compose transfer context
+        const transferContext = composeContext({
+            state,
+            template: transferTemplate,
+        });
+
+        // Generate transfer content
+        const content = await generateObject({
+            runtime,
+            context: transferContext,
+            modelClass: ModelClass.SMALL,
+        });
+
+        // Validate transfer content
+        if (!isTransferContent(content)) {
+            console.error("Invalid content for TRANSFER_TOKEN action.");
+            if (callback) {
+                callback({
+                    text: "Unable to process transfer request. Invalid content provided.",
+                    content: { error: "Invalid transfer content" },
+                });
+            }
+            return false;
+        }
+
+        try {
+            const PRIVATE_KEY = runtime.getSetting("CRONOSZKEVM_PRIVATE_KEY")!;
+            const PUBLIC_KEY = runtime.getSetting("CRONOSZKEVM_ADDRESS")!;
+
+            const web3: Web3 = new Web3(/* optional L1 provider */);
+
+            web3.registerPlugin(
+                new ZKsyncPlugin(
+                    new Web3ZKsyncL2("https://mainnet.zkevm.cronos.org")
+                )
+            );
+
+            const smartAccount = new web3.ZKsync.SmartAccount({
+                address: PUBLIC_KEY,
+                secret: "0x" + PRIVATE_KEY,
+            });
+
+            const transferTx = await smartAccount.transfer({
+                to: content.recipient,
+                token: content.tokenAddress,
+                amount: web3.utils.toWei(content.amount, "ether"),
+            });
+
+            const receipt = await transferTx.wait();
+
+            elizaLogger.success(
+                "Transfer completed successfully! tx: " +
+                    receipt.transactionHash
+            );
+            if (callback) {
+                callback({
+                    text:
+                        "Transfer completed successfully! tx: " +
+                        receipt.transactionHash,
+                    content: {},
+                });
+            }
+
+            return true;
+        } catch (error) {
+            elizaLogger.error("Error during token transfer:", error);
+            if (callback) {
+                callback({
+                    text: `Error transferring tokens: ${error.message}`,
+                    content: { error: error.message },
+                });
+            }
+            return false;
+        }
+    },
+
+    examples: [
+        [
+            {
+                user: "{{user1}}",
+                content: {
+                    text: "Send 100 USDC to 0xCCa8009f5e09F8C5dB63cb0031052F9CB635Af62",
+                },
+            },
+            {
+                user: "{{agent}}",
+                content: {
+                    text: "Sure, I'll send 100 USDC to that address now.",
+                    action: "SEND_TOKEN",
+                },
+            },
+            {
+                user: "{{agent}}",
+                content: {
+                    text: "Successfully sent 100 USDC to 0xCCa8009f5e09F8C5dB63cb0031052F9CB635Af62\nTransaction: 0x4fed598033f0added272c3ddefd4d83a521634a738474400b27378db462a76ec",
+                },
+            },
+        ],
+        [
+            {
+                user: "{{user1}}",
+                content: {
+                    text: "Please send 100 ZKCRO tokens to 0xbD8679cf79137042214fA4239b02F4022208EE82",
+                },
+            },
+            {
+                user: "{{agent}}",
+                content: {
+                    text: "Of course. Sending 100 ZKCRO to that address now.",
+                    action: "SEND_TOKEN",
+                },
+            },
+            {
+                user: "{{agent}}",
+                content: {
+                    text: "Successfully sent 100 ZKCRO to 0xbD8679cf79137042214fA4239b02F4022208EE82\nTransaction: 0x0b9f23e69ea91ba98926744472717960cc7018d35bc3165bdba6ae41670da0f0",
+                },
+            },
+        ],
+    ] as ActionExample[][],
+} as Action;

packages/plugin-cronoszkevm/src/enviroment.ts

@@ -0,0 +1,38 @@
+import { IAgentRuntime } from "@elizaos/eliza";
+import { z } from "zod";
+
+export const CronosZkEVMEnvSchema = z.object({
+    CRONOSZKEVM_ADDRESS: z.string().min(1, "Cronos zkEVM address is required"),
+    CRONOSZKEVM_PRIVATE_KEY: z
+        .string()
+        .min(1, "Cronos zkEVM private key is required"),
+});
+
+export type CronoszkEVMConfig = z.infer<typeof CronosZkEVMEnvSchema>;
+
+export async function validateCronosZkevmConfig(
+    runtime: IAgentRuntime
+): Promise<CronoszkEVMConfig> {
+    try {
+        const config = {
+            CRONOSZKEVM_ADDRESS:
+                runtime.getSetting("CRONOSZKEVM_ADDRESS") ||
+                process.env.CRONOSZKEVM_ADDRESS,
+            CRONOSZKEVM_PRIVATE_KEY:
+                runtime.getSetting("CRONOSZKEVM_PRIVATE_KEY") ||
+                process.env.CRONOSZKEVM_PRIVATE_KEY,
+        };
+
+        return CronosZkEVMEnvSchema.parse(config);
+    } catch (error) {
+        if (error instanceof z.ZodError) {
+            const errorMessages = error.errors
+                .map((err) => `${err.path.join(".")}: ${err.message}`)
+                .join("\n");
+            throw new Error(
+                `CronosZkEVM configuration validation failed:\n${errorMessages}`
+            );
+        }
+        throw error;
+    }
+}

packages/plugin-cronoszkevm/src/index.ts

@@ -0,0 +1,13 @@
+import { Plugin } from "@elizaos/core";
+
+import transfer from "./actions/transfer";
+
+export const cronosZkEVMPlugin: Plugin = {
+    name: "cronoszkevm",
+    description: "Cronos zkEVM plugin for Eliza",
+    actions: [transfer],
+    evaluators: [],
+    providers: [],
+};
+
+export default cronosZkEVMPlugin;

packages/plugin-cronoszkevm/tsconfig.json

@@ -0,0 +1,8 @@
+{
+    "extends": "../core/tsconfig.json",
+    "compilerOptions": {
+        "outDir": "dist",
+        "rootDir": "src"
+    },
+    "include": ["src/**/*.ts"]
+}

packages/plugin-cronoszkevm/tsup.config.ts

@@ -0,0 +1,20 @@
+import { defineConfig } from "tsup";
+
+export default defineConfig({
+    entry: ["src/index.ts"],
+    outDir: "dist",
+    sourcemap: true,
+    clean: true,
+    format: ["esm"], // Ensure you're targeting CommonJS
+    external: [
+        "dotenv", // Externalize dotenv to prevent bundling
+        "fs", // Externalize fs to use Node.js built-in module
+        "path", // Externalize other built-ins if necessary
+        "@reflink/reflink",
+        "@node-llama-cpp",
+        "https",
+        "http",
+        "agentkeepalive"
+        // Add other modules you want to externalize
+    ],
+});