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Account Management

In @massalabs/massa-web3, the Account class provides a straightforward way to sign transactions on the Massa blockchain. You can initialize an account using a private key, ensuring secure access while keeping sensitive information out of the codebase. Here, we’ll cover how to create a new account or load an existing one from its private key unsing an .env file.

Create new account​

import { Account } from '@massalabs/massa-web3'

const account = await Account.generate()
console.log("address:", account.address.toString())
console.log("public key:", account.publicKey.toString())
console.log("private key:", account.privateKey.toString())

/* result example:
address: AU12TuXSXVr6ivBv4Y3QzVf9X1FeMo8SNtXheRJjEayNXyYYX5vSQ
public key: P12p6vgR4RKJCeNp7TH5wmhWNwkBBQJiByCnvahcRRvKnsmngXJa
private key: S1cSpLU7XpfYrgLPxuMk1V47T1z1SFcNzgi4Yb8oaYXxqXGX1mu
*/

Import an existing account​

Setting Up the Private Key​

  1. Install the dotenv package: To securely load environment variables in Node.js, we’ll use the dotenv package, which allows you to access variables stored in an .env file.

    npm install dotenv

  2. Add the Private Key to an .env File: Create an .env file in your project root directory (make sure to add this file to .gitignore to avoid sharing sensitive information). Add your private key as follows:

    PRIVATE_KEY=your_private_key_here

Initializing the Account in massa-web3​

Once the private key is set up in the .env file, you can use @massalabs/massa-web3 to load the account and access it securely.

import 'dotenv/config'
import { Account } from '@massalabs/massa-web3'

const account = await Account.fromEnv()