Signing

Sign messages on Algorand using OneKey

Learn how to sign messages for authentication on Algorand.

---

Sign Arbitrary Message

const message = new TextEncoder().encode('Hello Algorand!')

const { signature, address } = await provider.signMessage(
  message,
  'utf8' // or 'base64'
)

console.log('Signature:', signature)
console.log('Signer:', address)

---

Verify Signature

const message = new TextEncoder().encode('Hello Algorand!')
const { signature } = await provider.signMessage(message)

// Get public key from address
const publicKey = algosdk.decodeAddress(provider.address).publicKey

const isValid = nacl.sign.detached.verify(message, signature, publicKey)
console.log('Valid:', isValid)

---

Error Handling

try {
  const signedTxns = await provider.signTxns(walletTxns)
} catch (error) {
  if (error.code === 4001) {
    console.log('User rejected the request')
  } else if (error.code === 4100) {
    console.log('Wallet is locked')
  } else {
    console.error('Error:', error.message)
  }
}

---

Common Error Codes

Code	Description
4001	User rejected request
4100	Unauthorized
4200	Unsupported method
4300	Invalid input