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AbiItem.getSignatureHash

Computes the signature hash for an AbiItem.AbiItem.

Useful for computing Event Topic values.

Imports

Named
import { AbiItem } from 'ox'

Examples

import { AbiItem } from 'ox'
 
const hash = AbiItem.getSignatureHash('event Transfer(address indexed from, address indexed to, uint256 amount)')

'0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef'
import { AbiItem } from 'ox'
 
const hash = AbiItem.getSignatureHash({
  name: 'Transfer',
  type: 'event',
  inputs: [
    { name: 'from', type: 'address', indexed: true },
    { name: 'to', type: 'address', indexed: true },
    { name: 'amount', type: 'uint256', indexed: false },
  ],
})

'0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef'

Definition

function getSignatureHash(
  abiItem: string | AbiItem,
): Hex.Hex

Source: src/AbiItem.ts

Parameters

abiItem

  • Type: string | AbiItem

The ABI Item to compute the signature hash for.

Return Type

The Hash.keccak256 hash of the ABI item's signature.

Hex.Hex

Error Type

AbiItem.getSignatureHash.ErrorType