viem
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TypeScript
import type { Address } from 'abitype';
import { type EstimateContractGasErrorType } from '../../actions/public/estimateContractGas.js';
import type { Client } from '../../clients/createClient.js';
import type { Transport } from '../../clients/transports/createTransport.js';
import type { ErrorType } from '../../errors/utils.js';
import type { Account, GetAccountParameter } from '../../types/account.js';
import type { Chain, DeriveChain, GetChainParameter } from '../../types/chain.js';
import type { UnionEvaluate, UnionOmit } from '../../types/utils.js';
import type { FormattedTransactionRequest } from '../../utils/formatters/transactionRequest.js';
import type { WithdrawalRequest } from '../types/withdrawal.js';
export type EstimateInitiateWithdrawalGasParameters<chain extends Chain | undefined = Chain | undefined, account extends Account | undefined = Account | undefined, chainOverride extends Chain | undefined = Chain | undefined, _derivedChain extends Chain | undefined = DeriveChain<chain, chainOverride>> = UnionEvaluate<UnionOmit<FormattedTransactionRequest<_derivedChain>, 'accessList' | 'data' | 'from' | 'gas' | 'gasPrice' | 'to' | 'type' | 'value'>> & GetAccountParameter<account, Account | Address> & GetChainParameter<chain, chainOverride> & {
/** Gas limit for transaction execution on the L2. */
gas?: bigint | undefined;
/**
* Withdrawal request.
* Supplied to the L2ToL1MessagePasser `initiateWithdrawal` method.
*/
request: WithdrawalRequest;
};
export type EstimateInitiateWithdrawalGasReturnType = bigint;
export type EstimateInitiateWithdrawalGasErrorType = EstimateContractGasErrorType | ErrorType;
/**
* Estimates gas required to initiate a [withdrawal](https://community.optimism.io/docs/protocol/withdrawal-flow/#withdrawal-initiating-transaction) on an L2 to the L1.
*
* - Docs: https://viem.sh/op-stack/actions/estimateInitiateWithdrawalGas
*
* @param client - Client to use
* @param parameters - {@link EstimateInitiateWithdrawalGasParameters}
* @returns Estimated gas. {@link EstimateInitiateWithdrawalGasReturnType}
*
* @example
* import { createPublicClient, http, parseEther } from 'viem'
* import { base, mainnet } from 'viem/chains'
* import { estimateInitiateWithdrawalGas } from 'viem/op-stack'
*
* const client = createPublicClient({
* chain: mainnet,
* transport: http(),
* })
*
* const gas = await estimateInitiateWithdrawalGas(client, {
* account: '0xA0Cf798816D4b9b9866b5330EEa46a18382f251e',
* request: {
* gas: 21_000n,
* to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
* value: parseEther('1'),
* },
* })
*/
export declare function estimateInitiateWithdrawalGas<chain extends Chain | undefined, account extends Account | undefined, chainOverride extends Chain | undefined = undefined>(client: Client<Transport, chain, account>, parameters: EstimateInitiateWithdrawalGasParameters<chain, account, chainOverride>): Promise<bigint>;
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