getSourceHash

Computes the source hash of a deposit transaction.

Import

import { getSourceHash } from 'viem'

Usage

import { getSourceHash } from 'viem'
 
// User Deposit
const sourceHash = getSourceHash({
  domain: 'userDeposit',
  l1BlockHash:
    '0x9ba3933dc6ce43c145349770a39c30f9b647f17668f004bd2e05c80a2e7262f7',
  l1LogIndex: 196,
})
 
// L1 attributes deposited
const sourceHash = getSourceHash({
  domain: 'l1InfoDeposit',
  l1BlockHash:
    '0x9ba3933dc6ce43c145349770a39c30f9b647f17668f004bd2e05c80a2e7262f7',
  sequenceNumber: 1,
})

Returns

Hex

The source hash of the deposit transaction.

Parameters

domain

Type: "userDeposit" | "l1InfoDeposit"

The domain of the deposit transaction.

const sourceHash = getSourceHash({
  domain: 'userDeposit', 
  l1BlockHash:
    '0x9ba3933dc6ce43c145349770a39c30f9b647f17668f004bd2e05c80a2e7262f7',
  l1LogIndex: 196,
})

l1BlockHash

Type: Hex

The hash of the L1 block the deposit transaction was included in.

const sourceHash = getSourceHash({
  domain: 'userDeposit',
  l1BlockHash:
    '0x9ba3933dc6ce43c145349770a39c30f9b647f17668f004bd2e05c80a2e7262f7', 
  l1LogIndex: 196,
})

l1LogIndex

Type: number

The index of the L1 log. Only required for "userDeposit" domain.

const sourceHash = getSourceHash({
  domain: 'userDeposit',
  l1BlockHash:
    '0x9ba3933dc6ce43c145349770a39c30f9b647f17668f004bd2e05c80a2e7262f7',
  l1LogIndex: 196, 
})

sequenceNumber

Type: number

The sequence number (difference between L2 block number and first L2 epoch block number). Only required for "l1InfoDeposit" domain.

const sourceHash = getSourceHash({
  domain: 'l1InfoDeposit',
  l1BlockHash:
    '0x9ba3933dc6ce43c145349770a39c30f9b647f17668f004bd2e05c80a2e7262f7',
  sequenceNumber: 1, 
})