toEventSelector

import { toEventSelector } from 'viem'

import { 
const toEventSelector: (fn: string | AbiFunction | AbiEvent) => `0x${string}`
Returns the event selector for a given event definition.
toEventSelector } from 'viem'
 
const 
const selector_1: `0x${string}`
selector_1 = 
function toEventSelector(fn: string | AbiFunction | AbiEvent): `0x${string}`
Returns the hash (of the function/event signature) for a given event or function definition.
toEventSelector('Transfer(address,address,uint256)')
Output: 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
 
const 
const selector_2: `0x${string}`
selector_2 = 
function toEventSelector(fn: string | AbiFunction | AbiEvent): `0x${string}`
Returns the hash (of the function/event signature) for a given event or function definition.
toEventSelector('Transfer(address indexed from, address indexed to, uint256 amount)')
Output: 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
 
// or from an `AbiEvent` on your contract ABI
const 
const selector_3: `0x${string}`
selector_3 = 
function toEventSelector(fn: string | AbiFunction | AbiEvent): `0x${string}`
Returns the hash (of the function/event signature) for a given event or function definition.
toEventSelector({
  
name: string
name: 'Transfer',
  
type: "event"
type: 'event',
  
inputs: readonly AbiEventParameter[]
inputs: [
    { 
name: string
name: 'from', 
type: "address"
type: 'address', 
indexed: true
indexed: true },
    { 
name: string
name: 'to', 
type: "address"
type: 'address', 
indexed: true
indexed: true },
    { 
name: string
name: 'amount', 
type: "uint256"
type: 'uint256', 
indexed: false
indexed: false },
  ],
})
Output: 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef