Skip to content

estimateContractL1Gas

Estimates the L1 data gas to execute an L2 contract write.

Invokes the getL1GasUsed method on the Gas Price Oracle predeploy contract.

Usage

example.ts
import { account, publicClient } from './config'
import { wagmiAbi } from './abi'
 
const l1Fee = await publicClient.estimateContractL1Gas({
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
  abi: wagmiAbi,
  functionName: 'mint',
  account,
})

Returns

bigint

The L1 data gas estimate.

Parameters

account

  • Type: Account | Address

The Account to estimate gas from.

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

const gas = await publicClient.estimateContractL1Gas({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266', 
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
  abi: wagmiAbi,
  functionName: 'mint',
})

abi

The contract's ABI.

const gas = await publicClient.estimateContractL1Gas({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
  abi: wagmiAbi, 
  functionName: 'mint',
})

address

The contract address.

const gas = await publicClient.estimateContractL1Gas({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2', 
  abi: wagmiAbi,
  functionName: 'mint',
})

functionName

  • Type: string

A function to extract from the ABI.

const gas = await publicClient.estimateContractL1Gas({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
  abi: wagmiAbi,
  functionName: 'mint', 
})

args (optional)

  • Type: Inferred from ABI.

Arguments to pass to function call.

const gas = await publicClient.estimateContractL1Gas({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
  address: '0x1dfe7ca09e99d10835bf73044a23b73fc20623df',
  abi: wagmiAbi,
  functionName: 'balanceOf',
  args: ['0xa5cc3c03994DB5b0d9A5eEdD10CabaB0813678AC'], 
})

gasPriceOracleAddress (optional)

Address of the Gas Price Oracle predeploy contract.

const gas = await publicClient.estimateContractL1Gas({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266', 
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
  abi: wagmiAbi,
  functionName: 'mint',
  gasPriceOracleAddress: '0x420000000000000000000000000000000000000F', 
})

maxFeePerGas (optional)

  • Type: bigint

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

const gas = await publicClient.estimateContractL1Gas({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266', 
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
  abi: wagmiAbi,
  functionName: 'mint',
  maxFeePerGas: parseGwei('20'),  
})

maxPriorityFeePerGas (optional)

  • Type: bigint

Max priority fee per gas (in wei).

const gas = await publicClient.estimateContractL1Gas({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266', 
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
  abi: wagmiAbi,
  functionName: 'mint',
  maxPriorityFeePerGas: parseGwei('2'), 
})

nonce (optional)

  • Type: number

Unique number identifying this transaction.

const { result } = await publicClient.estimateContractL1Gas({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266', 
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
  abi: wagmiAbi,
  functionName: 'mint',
  nonce: 69, 
})

value (optional)

  • Type: bigint

Value (in wei) sent with this transaction.

const gas = await publicClient.estimateContractL1Gas({
  account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266', 
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
  abi: wagmiAbi,
  functionName: 'mint',
  value: parseEther('1') 
})