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estimateL1Fee

Estimates the L1 data fee to execute an L2 transaction.

Invokes the getL1Fee method on the Gas Price Oracle predeploy contract.

Usage

import { account, publicClient } from './config'
 
const fee = await publicClient.estimateL1Fee({ 
  account,
  to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
  value: parseEther('1')
})

Returns

bigint

The L1 data fee (in wei).

Parameters

account

  • Type: Account | Address

The Account to estimate fee from.

Accepts a JSON-RPC Account or Local Account (Private Key, etc).

const fee = await publicClient.estimateL1Fee({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266', 
  to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
  value: parseEther('1')
})

data (optional)

  • Type: 0x${string}

Contract code or a hashed method call with encoded args.

const fee = await publicClient.estimateL1Fee({
  data: '0x...', 
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
  to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
  value: parseEther('1')
})

gasPriceOracleAddress (optional)

Address of the Gas Price Oracle predeploy contract.

const fee = await publicClient.estimateL1Fee({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
  gasPriceOracleAddress: '0x420000000000000000000000000000000000000F', 
  to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
  value: parseEther('1')
})

maxFeePerGas (optional)

  • Type: bigint

Total fee per gas (in wei), inclusive of maxPriorityFeePerGas.

const fee = await publicClient.estimateL1Fee({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
  maxFeePerGas: parseGwei('20'),  
  to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
  value: parseEther('1')
})

maxPriorityFeePerGas (optional)

  • Type: bigint

Max priority fee per gas (in wei).

const fee = await publicClient.estimateL1Fee({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
  maxFeePerGas: parseGwei('20'),
  maxPriorityFeePerGas: parseGwei('2'), 
  to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
  value: parseEther('1')
})

nonce (optional)

  • Type: number

Unique number identifying this transaction.

const fee = await publicClient.estimateL1Fee({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
  maxFeePerGas: parseGwei('20'),
  maxPriorityFeePerGas: parseGwei('2'),
  nonce: 69, 
  to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
  value: parseEther('1')
})

to (optional)

Transaction recipient.

const fee = await publicClient.estimateL1Fee({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
  to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8', 
  value: parseEther('1')
})

value (optional)

  • Type: bigint

Value (in wei) sent with this transaction.

const fee = await publicClient.estimateL1Fee({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
  to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
  value: parseEther('1') 
})