MEE Client

The MEE (Modular Execution Environment) Client is an interface for executing transactions across multiple chains. It enables seamless cross-chain operations by handling quote generation, signing, and execution of transactions across different blockchain networks.

Usage

import { privateKeyToAccount } from "viem/accounts";
import { createMeeClient, toMultichainNexusAccount } from "@biconomy/abstractjs";
import { baseSepolia, mainnet } from "viem/chains";
import { http } from "viem";
const privateKey = "PRIVATE_KEY";
const account = privateKeyToAccount(`0x${privateKey}`);
 
// Create multichain account
const mcNexus = await toMultichainNexusAccount({
  chains: [baseSepolia, mainnet],
  transports: [http(), http()],
  signer: account
});
 
const meeClient = await createMeeClient({ account: mcNexus });

Parameters

Parameter	Type	Required	Default	Description
account	`MultichainSmartAccount`	Yes	-	The multichain smart account used for cross-chain transactions. Must be created using `toMultichainNexusAccount`
pollingInterval	`number`	No	`1000`	Frequency in milliseconds for polling actions and events
url	`string`	No	`"https://mee-node.biconomy.io"`	The URL for the MEE node service

MultichainSmartAccount Configuration

When creating a multichain account using toMultichainNexusAccount, the following parameters are required:

Parameter	Type	Required	Default	Description
chains	`Chain[]`	Yes	-	Array of chains the account will interact with
signer	`Account`	Yes	-	The signer account that controls the smart account

Response

Type	Description
`Promise<MeeClient>`	MEE client instance providing methods for cross-chain transaction management

Developer Notice

Note: You are using the Developer Preview version of Biconomy MEE. The underlying contracts are currently under audit.