getEventSelector
Returns the event selector for a given event definition.
Install
ts
import { getEventSelector } from 'viem'import { getEventSelector } from 'viem'Usage
ts
import { getEventSelector } from 'viem'
const selector = getEventSelector('Transfer(address,address,uint256)')
// 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
const selector = getEventSelector('Transfer(address indexed from, address indexed to, uint256 amount)')
// 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
// or from an `AbiEvent` on your contract ABI
const selector = getEventSelector({
name: 'Transfer',
type: 'event',
inputs: [
{ name: 'from', type: 'address', indexed: true },
{ name: 'to', type: 'address', indexed: true },
{ name: 'amount', type: 'uint256', indexed: false },
],
})
// 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3efimport { getEventSelector } from 'viem'
const selector = getEventSelector('Transfer(address,address,uint256)')
// 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
const selector = getEventSelector('Transfer(address indexed from, address indexed to, uint256 amount)')
// 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
// or from an `AbiEvent` on your contract ABI
const selector = getEventSelector({
name: 'Transfer',
type: 'event',
inputs: [
{ name: 'from', type: 'address', indexed: true },
{ name: 'to', type: 'address', indexed: true },
{ name: 'amount', type: 'uint256', indexed: false },
],
})
// 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3efReturns
The selector as a hex value.
Parameters
event
- Type:
string |AbiEvent
The event to generate a selector for.