nonce.watchActiveKeyCountChanged

Watches for active key count changed events. This event is emitted when an account starts using a new nonce key for the first time.

Usage

import { client } from './viem.config'
 
const unwatch = client.nonce.watchActiveKeyCountChanged({
  onActiveKeyCountChanged: (args, log) => {
    console.log('Account:', args.account)
    console.log('New active key count:', args.newCount)
  },
})
 
// Later, stop watching
unwatch()

Return Type

type ReturnType = () => void

Returns a function to unsubscribe from the event.

Parameters

onActiveKeyCountChanged

• Type: function

declare function onActiveKeyCountChanged(args: Args, log: Log): void
 
type Args = {
  /** Address of the account */
  account: Address
  /** New count of active nonce keys */
  newCount: bigint
}

Callback to invoke when the active key count changes.

args (optional)

• Type: object

type Args = {
  /** Address of the account to filter by */
  account?: Address | Address[] | null
}

Optional filters for the event.

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.