accessKey.watchWitness

Watches for key-authorization witness events (KeyAuthorizationWitness), emitted when a key is authorized with a witness (see accessKey.authorize).

TIP-1053

Usage

import { client } from './viem.config'
 
const unwatch = client.accessKey.watchWitness({
  onWitness: (args, log) => {
    console.log('Witness used:', args)
  },
})
 
// Later, stop watching
unwatch()

import { Account, createClient } from 'viem/tempo'
 
export const client = createClient({
  account: Account.fromSecp256k1('0x...'),
})

Return Type

type ReturnType = () => void

Returns a function to unsubscribe from the event.

Parameters

onWitness

• Type: function

declare function onWitness(args: Args, log: Log): void
 
type Args = {
  /** The account that authorized the key. */
  account: Address
  /** The witness bound to the authorization. */
  witness: Hex
}

Callback to invoke when a witness is used.

fromBlock (optional)

• Type: bigint

Block to start listening from.

onError (optional)

• Type: function

declare function onError(error: Error): void

The callback to call when an error occurred when trying to get for a new block.

poll (optional)

• Type: true

Whether to use polling.

pollingInterval (optional)

• Type: number

Polling frequency (in ms). Defaults to Client's pollingInterval config.