AbiItem.getSelector

Computes the 4-byte selector for an AbiItem.AbiItem.

Useful for computing function selectors for calldata.

Imports

Named

import { AbiItem } from 'ox'

Examples

import { AbiItem } from 'ox'
 
const selector = AbiItem.getSelector('function ownerOf(uint256 tokenId)')
'0x6352211e'

import { Abi, AbiItem } from 'ox'
 
const erc20Abi = Abi.from([...])
 
const selector = AbiItem.getSelector(erc20Abi, 'ownerOf')
'0x6352211e'

import { AbiItem } from 'ox'
 
const selector = AbiItem.getSelector({
  inputs: [{ type: 'uint256' }],
  name: 'ownerOf',
  outputs: [],
  stateMutability: 'view',
  type: 'function'
})
'0x6352211e'

Definition

function getSelector<abi, name>(
  abi: abi | Abi.Abi | readonly unknown[],
  name: name,
): Hex.Hex

Source: src/core/AbiItem.ts

Parameters

abi

Type: abi | Abi.Abi | readonly unknown[]

name

Type: name

Return Type

The first 4 bytes of the Hash.keccak256 hash of the function signature.

Hex.Hex