Package Exports

node-arweave-wallet
node-arweave-wallet/package.json

Readme

node-arweave-wallet

Use Arweave browser wallets (Wander or any other compatible wallet) from Node.js applications. Perfect for CLI tools and scripts that need secure wallet interactions without exposing private keys.

✨ Features

🔐 Full Arweave Wallet API Support - Complete implementation of the arweaveWallet API
🌐 Browser-Based Security - Uses your existing browser wallet (Wander or any other compatible wallet), keeping keys secure
🔌 @permaweb/aoconnect Compatible - Works seamlessly with @permaweb/aoconnect

📦 Installation

npm install node-arweave-wallet
# or
pnpm add node-arweave-wallet
# or
yarn add node-arweave-wallet

🚀 Quick Start

import { NodeArweaveWallet } from 'node-arweave-wallet'

// Create wallet instance
const wallet = new NodeArweaveWallet({
  port: 3737 // Optional: defaults to 3737, use 0 for random port
})

// Initialize - opens browser for wallet connection
await wallet.initialize()

// Connect with required permissions
await wallet.connect([
  'ACCESS_ADDRESS',
  'SIGN_TRANSACTION'
])

// Get wallet address
const address = await wallet.getActiveAddress()
console.log('Connected wallet:', address)

// Sign a transaction
const tx = await arweave.createTransaction({ data: 'Hello Arweave!' })
await wallet.sign(tx)

// Submit the transaction
const response = await arweave.transactions.post(tx)
console.log(response.status)

// Clean up when done
await wallet.close('success')

📖 API Reference

Initialization & Connection

`new NodeArweaveWallet(config?)`

Creates a new wallet instance.

const wallet = new NodeArweaveWallet({
  port: 3737 // Optional: port number (default: 3737, use 0 for random)
})

`wallet.initialize()`

Starts the local server and opens the browser for wallet connection.

await wallet.initialize()

`wallet.connect(permissions, appInfo?, gateway?)`

Programmatically connects to the wallet with specified permissions.

await wallet.connect(
  ['ACCESS_ADDRESS', 'SIGN_TRANSACTION'],
  {
    name: 'My App',
    logo: 'https://example.com/logo.png'
  }
)

Available Permissions:

ACCESS_ADDRESS - Get active wallet address
ACCESS_PUBLIC_KEY - Get public key
ACCESS_ALL_ADDRESSES - Get all wallet addresses
SIGN_TRANSACTION - Sign Arweave transactions
ENCRYPT - Encrypt data
DECRYPT - Decrypt data
SIGNATURE - Sign arbitrary data
ACCESS_ARWEAVE_CONFIG - Get Arweave gateway config
DISPATCH - Sign and dispatch transactions
ACCESS_TOKENS - Access tokens & token balances

`wallet.disconnect()`

Disconnects from the wallet.

await wallet.disconnect()

`wallet.close(status?)`

Closes the wallet connection and server. Optionally marks completion status.

await wallet.close('success') // or 'failed'

Wallet Information

`wallet.getActiveAddress()`

Gets the currently active wallet address.

const address = await wallet.getActiveAddress()
// Returns: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

`wallet.getAllAddresses()`

Gets all addresses in the wallet.

const addresses = await wallet.getAllAddresses()
// Returns: ["address1", "address2", ...]

`wallet.getWalletNames()`

Gets wallet names mapped to addresses.

const names = await wallet.getWalletNames()
// Returns: { "address1": "Wallet 1", "address2": "Wallet 2" }

`wallet.getActivePublicKey()`

Gets the public key of the active wallet.

const publicKey = await wallet.getActivePublicKey()
// Returns: base64 encoded public key

`wallet.getPermissions()`

Gets currently granted permissions.

const permissions = await wallet.getPermissions()
// Returns: ["ACCESS_ADDRESS", "SIGN_TRANSACTION", ...]

`wallet.getArweaveConfig()`

Gets the Arweave gateway configuration.

const config = await wallet.getArweaveConfig()
// Returns: { host: "arweave.net", port: 443, protocol: "https" }

Transaction Signing

`wallet.sign(transaction, options?)`

Signs an Arweave transaction.

import Arweave from 'arweave'

const arweave = new Arweave({
  host: 'arweave.net',
  port: 443,
  protocol: 'https'
})

const tx = await arweave.createTransaction({
  data: 'Hello Arweave!'
})

await wallet.sign(tx)

`wallet.dispatch(transaction, options?)`

Signs and dispatches a transaction to the network.

const tx = await arweave.createTransaction({
  data: 'Hello Arweave!'
})
tx.addTag('Content-Type', 'text/plain')

const result = await wallet.dispatch(tx)
console.log('Transaction ID:', result.id)
// Returns: { id: "transaction_id", type?: "BASE" | "BUNDLED" }

Data Item Signing (ANS-104)

`wallet.signDataItem(dataItem, options?)`

Signs a single data item for ANS-104 bundling.

const signedDataItem = await wallet.signDataItem({
  data: 'Hello from data item!',
  tags: [
    { name: 'Content-Type', value: 'text/plain' },
    { name: 'App-Name', value: 'MyApp' }
  ],
  target: 'target_address',
  anchor: 'anchor'
})

// Returns: Uint8Array of signed data item

`wallet.batchSignDataItem(dataItems, options?)`

Signs multiple data items in a batch.

const results = await wallet.batchSignDataItem([
  {
    data: 'First item',
    tags: [{ name: 'Type', value: 'Test1' }]
  },
  {
    data: 'Second item',
    tags: [{ name: 'Type', value: 'Test2' }]
  }
])

// Returns: Array<{ id: string, raw: Uint8Array }>

`wallet.getDataItemSigner()` or `createDataItemSigner(wallet)`

Creates a signer compatible with @permaweb/aoconnect.

import { message } from '@permaweb/aoconnect'
import { createDataItemSigner } from 'node-arweave-wallet'

const signer = createDataItemSigner(wallet)

const messageId = await message({
  process: 'PROCESS_ID',
  signer,
  tags: [{ name: 'Action', value: 'Hello' }],
  data: 'Hello from browser wallet!'
})

Encryption & Decryption

`wallet.encrypt(data, options)`

Encrypts data using the wallet's public key.

const encrypted = await wallet.encrypt('Secret message', {
  algorithm: 'RSA-OAEP',
  hash: 'SHA-256'
})

// Returns: Uint8Array

`wallet.decrypt(data, options)`

Decrypts data using the wallet's private key.

const decrypted = await wallet.decrypt(encrypted, {
  algorithm: 'RSA-OAEP',
  hash: 'SHA-256'
})

const text = new TextDecoder().decode(decrypted)
// Returns: "Secret message"

Message Signing & Verification

`wallet.signMessage(data, options?)`

Signs a message with the wallet's private key.

const data = new TextEncoder().encode('Message to sign')
const signature = await wallet.signMessage(data, {
  hashAlgorithm: 'SHA-256' // or 'SHA-384', 'SHA-512'
})

// Returns: Uint8Array signature

`wallet.verifyMessage(data, signature, publicKey?, options?)`

Verifies a message signature.

const isValid = await wallet.verifyMessage(
  data,
  signature,
  publicKey, // optional
  { hashAlgorithm: 'SHA-256' }
)

// Returns: boolean

`wallet.signature(data, algorithm)`

Signs arbitrary data with custom algorithm.

const data = new TextEncoder().encode('Data to sign')
const signature = await wallet.signature(data, {
  name: 'RSA-PSS',
  saltLength: 32
})

// Returns: Uint8Array

`wallet.privateHash(data, options?)`

Creates a hash using the wallet's private key.

const data = new TextEncoder().encode('Data to hash')
const hash = await wallet.privateHash(data, {
  hashAlgorithm: 'SHA-256'
})

// Returns: Uint8Array

🛠️ Configuration

Port Configuration

The package uses a local HTTP server to communicate with the browser. You can configure the port:

// Default port (3737)
const wallet = new NodeArweaveWallet()

// Custom port
const wallet = new NodeArweaveWallet({ port: 8080 })

// Random available port (useful for testing or avoiding conflicts)
const wallet = new NodeArweaveWallet({ port: 0 })

💡 Usage Examples

CLI Tool Example

#!/usr/bin/env node
import Arweave from 'arweave'
import { NodeArweaveWallet } from 'node-arweave-wallet'

async function deployFile(filePath: string) {
  const wallet = new NodeArweaveWallet()

  try {
    console.log('🚀 Initializing wallet...')
    await wallet.initialize()

    await wallet.connect(['ACCESS_ADDRESS', 'SIGN_TRANSACTION', 'DISPATCH'])

    const address = await wallet.getActiveAddress()
    console.log(`✅ Connected: ${address}`)

    const arweave = new Arweave({
      host: 'arweave.net',
      port: 443,
      protocol: 'https'
    })

    const data = fs.readFileSync(filePath)
    const tx = await arweave.createTransaction({ data })
    tx.addTag('Content-Type', 'text/plain')

    console.log('📝 Signing and deploying...')
    const result = await wallet.dispatch(tx)

    console.log(`✅ Deployed! TX: ${result.id}`)
    console.log(`🔗 https://arweave.net/${result.id}`)

    await wallet.close('success')
  }
  catch (error) {
    console.error('❌ Error:', error.message)
    await wallet.close('failed')
    process.exit(1)
  }
}

deployFile(process.argv[2])

AO Process Example

import { message, result } from '@permaweb/aoconnect'
import { createDataItemSigner, NodeArweaveWallet } from 'node-arweave-wallet'

async function sendAOMessage() {
  const wallet = new NodeArweaveWallet()
  await wallet.initialize()
  await wallet.connect(['ACCESS_ADDRESS', 'SIGN_TRANSACTION'])

  const signer = createDataItemSigner(wallet)

  const messageId = await message({
    process: 'PROCESS_ID',
    signer,
    tags: [
      { name: 'Action', value: 'Balance' }
    ]
  })

  console.log('Message sent:', messageId)

  const { Messages } = await result({
    message: messageId,
    process: 'PROCESS_ID'
  })

  console.log('Response:', Messages[0].Data)

  await wallet.close('success')
}

Batch Data Item Example

import { NodeArweaveWallet } from 'node-arweave-wallet'

async function batchUpload(files: string[]) {
  const wallet = new NodeArweaveWallet()
  await wallet.initialize()
  await wallet.connect(['ACCESS_ADDRESS', 'SIGN_TRANSACTION'])

  const dataItems = files.map(file => ({
    data: fs.readFileSync(file),
    tags: [
      { name: 'Content-Type', value: 'application/octet-stream' },
      { name: 'File-Name', value: path.basename(file) }
    ]
  }))

  console.log(`📝 Signing ${files.length} files...`)
  const signed = await wallet.batchSignDataItem(dataItems)

  console.log('✅ All files signed!')
  signed.forEach((item, i) => {
    console.log(`   ${i + 1}. ${item.id}`)
  })

  await wallet.close('success')
}

🔒 Security

No Private Keys in Node.js - Your private keys never leave the browser wallet
Browser Extension Security - Leverages battle-tested browser wallet security
Local-Only Server - Server only listens on 127.0.0.1 (localhost)
Permission-Based - Request only the permissions you need

🤝 Browser Wallet Compatibility

Works with any arweaveWallet compatible browser wallet:

✅ Wander (Recommended)
✅ Any wallet implementing the arweaveWallet API

🐛 Troubleshooting

Port Already in Use

If port 3737 is already in use:

// Use a different port
const wallet = new NodeArweaveWallet({ port: 8080 })

// Or let the system choose an available port
const wallet = new NodeArweaveWallet({ port: 0 })

Browser Doesn't Open Automatically

The URL will be printed to the console. Open it manually:

http://localhost:3737

Connection Timeout

Keep the browser tab open while signing transactions. The package has a generous 5-minute timeout, but closing the tab will interrupt operations.