useSignMessage

Hook for signing messages with connected account.

import { useSignMessage } from 'wagmi'

Usage#

The following examples use the message: gm wagmi frens.

import { useSignMessage } from 'wagmi'

const App = () => {
  const [{ data, error, loading }, signMessage] = useSignMessage({
    message: 'gm wagmi frens',
  })

  if (!data)
    return (
      <button disabled={loading} onClick={async () => await signMessage()}>
        Sign message
      </button>
    )

  return (
    <div>
      {data && <div>Signature: {data}</div>}
      {error && <div>Error signing message</div>}
    </div>
  )
}

Return Values#

result#

{
  data?: string
  error?: Error
  loading?: boolean
}

signMessage#

(config?: {
  message: string
}) => Promise<{ data?: string; error?: Error }>

Configuration#

message (optional)#

Message to sign with wallet.

import { useSignMessage } from 'wagmi'

const App = () => {
  const [{ data, error, loading }, signMessage] = useSignMessage({
    message: 'gm wagmi frens',
  })

  return ...
}