Signing

const message = new TextEncoder().encode('Hello, Sui!')
 
const result = await provider.signPersonalMessage({
  message,
})
 
console.log({
  signature: result.signature,   // Base64 encoded signature
  bytes: result.bytes,           // Signed message bytes
})

const message = new TextEncoder().encode('Hello, Sui!')
 
const result = await provider.signMessage({
  message,
})
 
console.log({
  signature: result.signature,
  messageBytes: result.messageBytes,
})

import { verifyPersonalMessage } from '@mysten/sui.js/verify'
 
const message = new TextEncoder().encode('Hello, Sui!')
const { signature } = await provider.signPersonalMessage({ message })
 
const accounts = await provider.getAccounts()
const publicKey = accounts[0].publicKey
 
const isValid = await verifyPersonalMessage(message, signature)
console.log('Signature valid:', isValid)

try {
  await provider.requestPermissions()
} catch (error) {
  if (error.code === 4001) {
    console.log('User rejected the connection request')
  } else {
    console.error('Connection error:', error.message)
  }
}