@magic-ext/siwe

Magic SDK extension for Sign-In with Ethereum (SIWE/EIP-4361) authentication.

Installation

npm install @magic-ext/siwe

Usage

import { Magic } from 'magic-sdk';
import { SiweExtension } from '@magic-ext/siwe';

const magic = new Magic('YOUR_API_KEY', {
  extensions: [new SiweExtension()],
});

// Generate nonce
const { nonce } = await magic.siwe.generateNonce();

// OR

// Generate complete message
const message = await magic.siwe.generateMessage({
  address: '0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb',
  chainId: 1,
});

// Login with message and signature
const publicAddress = await magic.siwe.login({
  message,
  signature: '0x7d5f8c9e...',
});

Methods

generateNonce()

Generate a nonce for SIWE message construction..

generateMessage(params)

Generate a complete SIWE message. Constructs the message client-side using the siwe library.

login(params)

Login with SIWE message and signature. Used for both flows.