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Wallet Creation and Listing

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Description

Section titled “Description”

This example demonstrates how to create, list, rename, and get info about wallets using the KMD (Key Management Daemon) client.

Prerequisites

Section titled “Prerequisites”
  • LocalNet running (via algokit localnet start)
  • Covered operations:
  • createWallet() - Create a new wallet
  • listWallets() - List all available wallets
  • walletInfo() - Get detailed wallet information (requires wallet handle)
  • renameWallet() - Rename an existing wallet

Run This Example

Section titled “Run This Example”

From the repository root:

Terminal window
cd examples
npm run example kmd_client/02-wallet-management.ts

Code

Section titled “Code”

View source on GitHub

02-wallet-management.ts
/**
 * Example: Wallet Creation and Listing
 *
 * This example demonstrates how to create, list, rename, and get info about wallets
 * using the KMD (Key Management Daemon) client.
 *
 * Prerequisites:
 * - LocalNet running (via `algokit localnet start`)
 *
 * Covered operations:
 * - createWallet() - Create a new wallet
 * - listWallets() - List all available wallets
 * - walletInfo() - Get detailed wallet information (requires wallet handle)
 * - renameWallet() - Rename an existing wallet
 */


import { cleanupTestWallet, createKmdClient, printError, printHeader, printInfo, printStep, printSuccess } from '../shared/utils.js'


async function main() {
  printHeader('KMD Wallet Management Example')


  const kmd = createKmdClient()
  const testWalletName = `test-wallet-${Date.now()}`
  const testWalletPassword = 'test-password-123'
  let walletId = ''
  let walletHandleToken = ''


  try {
    // =========================================================================
    // Step 1: Create a New Wallet
    // =========================================================================
    printStep(1, 'Creating a new wallet with createWallet()')


    const createResult = await kmd.createWallet({
      walletName: testWalletName,
      walletPassword: testWalletPassword,
      walletDriverName: 'sqlite',
    })


    walletId = createResult.wallet.id


    printSuccess('Wallet created successfully!')
    printInfo('')
    printInfo('Wallet fields from CreateWalletResponse:')
    printInfo(`  - id:           ${createResult.wallet.id}`)
    printInfo(`  - name:         ${createResult.wallet.name}`)
    printInfo(`  - driverName:   ${createResult.wallet.driverName}`)
    printInfo(`  - supportedTxs: [${createResult.wallet.supportedTxs.join(', ')}]`)
    printInfo(`  - mnemonicUx:   ${createResult.wallet.mnemonicUx}`)


    // =========================================================================
    // Step 2: List All Wallets
    // =========================================================================
    printStep(2, 'Listing all wallets with listWallets()')


    const listResult = await kmd.listWallets()


    printSuccess(`Found ${listResult.wallets.length} wallet(s)`)
    printInfo('')
    printInfo('Available wallets:')


    listResult.wallets.forEach((wallet, index) => {
      printInfo(`  ${index + 1}. id: ${wallet.id}`)
      printInfo(`     name: ${wallet.name}`)
    })


    // =========================================================================
    // Step 3: Get Wallet Info (requires wallet handle)
    // =========================================================================
    printStep(3, 'Getting wallet info with walletInfo() (requires handle)')


    // First, we need to init a wallet handle to get detailed info
    const initResult = await kmd.initWalletHandle({
      walletId,
      walletPassword: testWalletPassword,
    })


    walletHandleToken = initResult.walletHandleToken
    printInfo(`Wallet handle token obtained: ${walletHandleToken.substring(0, 16)}...`)


    const infoResult = await kmd.walletInfo({
      walletHandleToken,
    })


    printSuccess('Wallet info retrieved successfully!')
    printInfo('')
    printInfo('WalletInfoResponse fields:')
    printInfo(`  walletHandle.expiresSeconds: ${infoResult.walletHandle.expiresSeconds}`)
    printInfo(`  walletHandle.wallet.id:      ${infoResult.walletHandle.wallet.id}`)
    printInfo(`  walletHandle.wallet.name:    ${infoResult.walletHandle.wallet.name}`)


    // =========================================================================
    // Step 4: Rename the Wallet
    // =========================================================================
    printStep(4, 'Renaming the wallet with renameWallet()')


    const newWalletName = `${testWalletName}-renamed`


    const renameResult = await kmd.renameWallet({
      walletId,
      walletPassword: testWalletPassword,
      walletName: newWalletName,
    })


    printSuccess('Wallet renamed successfully!')
    printInfo('')
    printInfo('RenameWalletResponse fields:')
    printInfo(`  - id:   ${renameResult.wallet.id}`)
    printInfo(`  - name: ${renameResult.wallet.name} (was: ${testWalletName})`)


    // Verify the rename by checking wallet info again
    const verifyInfo = await kmd.walletInfo({
      walletHandleToken,
    })


    printInfo('')
    printInfo(`Verified: wallet name is now "${verifyInfo.walletHandle.wallet.name}"`)


    // =========================================================================
    // Step 5: Clean Up (release wallet handle)
    // =========================================================================
    printStep(5, 'Cleaning up: releasing wallet handle')


    await cleanupTestWallet(kmd, walletHandleToken)
    walletHandleToken = '' // Mark as cleaned up


    printSuccess('Wallet handle released')
    printInfo('')
    printInfo('Note: KMD does not support deleting wallets via API.')
    printInfo('The test wallet will remain in KMD storage.')


    // =========================================================================
    // Summary
    // =========================================================================
    printHeader('Summary')
    printInfo('This example demonstrated:')
    printInfo('  1. createWallet() - Create a new wallet with name and password')
    printInfo('  2. listWallets()  - List all available wallets')
    printInfo('  3. walletInfo()   - Get detailed wallet info (requires handle)')
    printInfo('  4. renameWallet() - Rename an existing wallet')
    printInfo('')
    printInfo('Key concepts:')
    printInfo('  - Wallets are collections of keys managed by KMD')
    printInfo('  - A wallet handle token is required for most operations')
    printInfo('  - Wallet handles expire and should be released when done')
    printInfo('  - The "sqlite" driver is the standard driver for wallet storage')
  } catch (error) {
    printError(`Error: ${error instanceof Error ? error.message : String(error)}`)
    printInfo('')
    printInfo('Troubleshooting:')
    printInfo('  - Ensure LocalNet is running: algokit localnet start')
    printInfo('  - If LocalNet issues occur: algokit localnet reset')
    printInfo('  - Check that KMD is accessible on port 4002')


    // Cleanup on error
    if (walletHandleToken) {
      try {
        await cleanupTestWallet(kmd, walletHandleToken)
      } catch {
        // Ignore cleanup errors
      }
    }


    process.exit(1)
  }
}


main().catch((error) => {
  console.error('Fatal error:', error)
  process.exit(1)
})

Other examples in KMD Client

Section titled “Other examples in KMD Client”