viem
Version:
57 lines • 2.12 kB
JavaScript
import { writeContract, } from '../../actions/wallet/writeContract.js';
import { portalAbi } from '../abis.js';
import { estimateProveWithdrawalGas, } from './estimateProveWithdrawalGas.js';
/**
* Proves a withdrawal that occurred on an L2. Used in the Withdrawal flow.
*
* - Docs: https://viem.sh/op-stack/actions/proveWithdrawal
*
* @param client - Client to use
* @param parameters - {@link ProveWithdrawalParameters}
* @returns The prove transaction hash. {@link ProveWithdrawalReturnType}
*
* @example
* import { createWalletClient, http } from 'viem'
* import { mainnet, optimism } from 'viem/chains'
* import { proveWithdrawal } from 'viem/op-stack'
*
* const walletClientL1 = createWalletClient({
* chain: mainnet,
* transport: http(),
* })
*
* const request = await proveWithdrawal(walletClientL1, {
* account: '0xA0Cf798816D4b9b9866b5330EEa46a18382f251e',
* l2OutputIndex: 4529n,
* outputRootProof: { ... },
* targetChain: optimism,
* withdrawalProof: [ ... ],
* withdrawal: { ... },
* })
*/
export async function proveWithdrawal(client, parameters) {
const { account, chain = client.chain, gas, l2OutputIndex, maxFeePerGas, maxPriorityFeePerGas, nonce, outputRootProof, targetChain, withdrawalProof, withdrawal, } = parameters;
const portalAddress = (() => {
if (parameters.portalAddress)
return parameters.portalAddress;
if (chain)
return targetChain.contracts.portal[chain.id].address;
return Object.values(targetChain.contracts.portal)[0].address;
})();
const gas_ = typeof gas !== 'bigint' && gas !== null
? await estimateProveWithdrawalGas(client, parameters)
: (gas ?? undefined);
return writeContract(client, {
account: account,
abi: portalAbi,
address: portalAddress,
chain,
functionName: 'proveWithdrawalTransaction',
args: [withdrawal, l2OutputIndex, outputRootProof, withdrawalProof],
gas: gas_,
maxFeePerGas,
maxPriorityFeePerGas,
nonce,
});
}
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