toEventHash

Returns the hash (of the event signature) for a given event definition.

Install

import { toEventHash } from 'viem'

Usage

import { toEventHash } from 'viem'
 
const hash_1 = toEventHash('event Transfer(address,address,uint256)')Output: 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
 
const hash_2 = toEventHash({
  name: 'Transfer',
  type: 'event',
  inputs: [
    { name: 'from', type: 'address', indexed: true },
    { name: 'to', type: 'address', indexed: true },
    { name: 'amount', type: 'uint256', indexed: false },
  ],
})Output: 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef

Returns

Hex

The hash of the event signature.

Parameters

event

Type: string | AbiEvent

The event to generate a hash for.