viem
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JavaScript
import { parseAccount } from '../../../accounts/utils/parseAccount.js';
import { AccountNotFoundError } from '../../../errors/account.js';
import { getAction } from '../../../utils/getAction.js';
import { getUserOperationError } from '../../utils/errors/getUserOperationError.js';
import { formatUserOperationRequest, } from '../../utils/formatters/userOperationRequest.js';
import { prepareUserOperation, } from './prepareUserOperation.js';
/**
* Broadcasts a User Operation to the Bundler.
*
* - Docs: https://viem.sh/actions/bundler/sendUserOperation
*
* @param client - Client to use
* @param parameters - {@link SendUserOperationParameters}
* @returns The User Operation hash. {@link SendUserOperationReturnType}
*
* @example
* import { createBundlerClient, http, parseEther } from 'viem'
* import { mainnet } from 'viem/chains'
* import { toSmartAccount } from 'viem/accounts'
* import { sendUserOperation } from 'viem/actions'
*
* const account = await toSmartAccount({ ... })
*
* const bundlerClient = createBundlerClient({
* chain: mainnet,
* transport: http(),
* })
*
* const values = await sendUserOperation(bundlerClient, {
* account,
* calls: [{ to: '0x...', value: parseEther('1') }],
* })
*/
export async function sendUserOperation(client, parameters) {
const { account: account_ = client.account, entryPointAddress } = parameters;
if (!account_ && !parameters.sender)
throw new AccountNotFoundError();
const account = account_ ? parseAccount(account_) : undefined;
const request = account
? await getAction(client, prepareUserOperation, 'prepareUserOperation')(parameters)
: parameters;
const signature = (parameters.signature ||
(await account?.signUserOperation(request)));
const rpcParameters = formatUserOperationRequest({
...request,
signature,
});
try {
return await client.request({
method: 'eth_sendUserOperation',
params: [
rpcParameters,
(entryPointAddress ?? account?.entryPoint.address),
],
}, { retryCount: 0 });
}
catch (error) {
const calls = parameters.calls;
throw getUserOperationError(error, {
...request,
...(calls ? { calls } : {}),
signature,
});
}
}
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