How to Create a Batch UserOperation Without Simulating transactions

[BitOrdev]

[
  {
    to: '0x4C749d097832DE2FEcc989ce18fDc5f1BD76700c',
    data: '0x840ecba000000000000000000000000000000000000000000000000000000000000000e6',
    value: 0n
  },
  {
    to: '0x4Cb9a7AE498CEDcBb5EAe9f25736aE7d428C9D66',
    data: '0xa9059cbb000000000000000000000000f39fd6e51aad88f6f4ce6ab8827279cfffb92266000000000000000000000000000000000000000000000034266e8f1b05c80000',
    value: 0n
  }
]

I have two transactions.

1. Token claim transaction
2. Token transfer transaction

I want to do these two transactions together.

============

  let userOperation = await smartAccount.createUserOperation(
    txs,
    nodeUrl, //the node rpc is used to fetch the current nonce and fetch gas prices.
    bundlerUrl, //the bundler rpc is used to estimate the gas limits.
    {
      eip7702Auth: {
        chainId: chainId, // chainId at which the account will be upgraded
      },
    }
  );

Here I don't want to simulate the transactions while creating userOperation.

When simulating, an error occurs because the token is not in the wallet, the token will be claimed first and then transferred.

So I want to create a userOperation without simulating it.

Is there a solution to this?

[sherifahmed990]

Both transaction are simulated in the same order provided. If the token was claimed in the first transaction, then there should be no error returned from the second transaction.
You might have an issue in the first transaction calldata (you can simulate and debug gas estimation calldata errors on candide.dev dashboard).

[sherifahmed990]

Simulation happens during gas estimation, you can manually set the gas limits and abstractionkit will not simulate the userop.

 let userOperation = await smartAccount.createUserOperation(
    txs,
    nodeUrl, //the node rpc is used to fetch the current nonce and fetch gas prices.
    bundlerUrl, //the bundler rpc is used to estimate the gas limits.
    {
    	callGasLimit: 0xffffff,
    	verificationGasLimit: 0xffffff,
    	preVerificationGas: 0xffffff,
       eip7702Auth: {
        chainId: chainId, // chainId at which the account will be upgraded
      },
    }
  );

[BitOrdev]

thanks

[sherifahmed990]

Also you can use state overrides to change the balance during estimation

   let userOperation = await smartAccount.createUserOperation(
    txs,
    nodeUrl, //the node rpc is used to fetch the current nonce and fetch gas prices.
    bundlerUrl, //the bundler rpc is used to estimate the gas limits.
    {
    	state_override_set: {},
       eip7702Auth: {
        chainId: chainId, // chainId at which the account will be upgraded
      },
    }
  );

[BitOrdev]

thanks

[BitOrdev]

now working...

[BitOrdev]

import * as dotenv from "dotenv";
import {
  Simple7702Account,
  createAndSignEip7702DelegationAuthorization,
  CandidePaymaster,
  GasOption,
} from "abstractionkit";
import { Wallet , ethers} from "ethers";

import encodeTxArray from "./createTx";
import coWalletTx from "./tx";

async function main(): Promise<void> {
  dotenv.config();
  const chainId = BigInt(process.env.CHAIN_ID as string);
  const bundlerUrl = process.env.BUNDLER_URL as string;
  const nodeUrl = process.env.JSON_RPC_NODE_PROVIDER as string;
  const eoa_pk = process.env.EOA_WALLET_PK as string;

  //   const eoaDelegator = Wallet.createRandom();
  const eoaDelegator = new Wallet(eoa_pk);

  const eoaDelegatorPublicAddress = eoaDelegator.address;
  const eoaDelegatorPrivateKey = eoaDelegator.privateKey;
  const paymasterUrl = process.env.PAYMASTER_URL as string;
  const sponsorshipPolicyId = process.env.SPONSORSHIP_POLICY_ID as string;

  // initiate the smart account
  const smartAccount = new Simple7702Account(eoaDelegatorPublicAddress);

  let txs = encodeTxArray(coWalletTx);

  let userOperation = await smartAccount.createUserOperation(
    txs,
    nodeUrl, 
    bundlerUrl, 
    {
      eip7702Auth: {
        chainId: chainId, 
      },
    }
  );

  console.log(userOperation);

  userOperation.eip7702Auth = createAndSignEip7702DelegationAuthorization(
    BigInt(userOperation.eip7702Auth.chainId),
    userOperation.eip7702Auth.address,
    BigInt(userOperation.eip7702Auth.nonce),
    eoaDelegatorPrivateKey
  );

  const paymaster = new CandidePaymaster(paymasterUrl);

  let [paymasterUserOperation, _sponsorMetadata] =
    await paymaster.createSponsorPaymasterUserOperation(
      userOperation,
      bundlerUrl,
      sponsorshipPolicyId
    ); 
  userOperation = paymasterUserOperation;

  userOperation.signature = smartAccount.signUserOperation(
    userOperation,
    eoaDelegatorPrivateKey,
    chainId
  );

  let sendUserOperationResponse = await smartAccount.sendUserOperation(
    userOperation,
    bundlerUrl
  );

  console.log("userOp sent! Waiting for inclusion...");
  console.log("userOp Hash: ", sendUserOperationResponse.userOperationHash);

  let userOperationReceiptResult = await sendUserOperationResponse.included();

  console.log("Useroperation receipt received.");
  if (userOperationReceiptResult.success) {
    console.log(
      "EOA upgraded to a Smart Account and The transaction hash is : " +
        userOperationReceiptResult.receipt.transactionHash
    );
  } else {
    console.log("Useroperation execution failed");
  }
  
}

main();

error - [cause]: t: sponsored-validator: this user operation does not qualify for the gas policy

[BitOrdev]

You can use the multipliers overrides to lower the gas prices fetched from the node like the following:

let userOperation = await smartAccount.createUserOperation(
    [
        txs,
    ],
    nodeUrl,
    bundlerUrl,
    {
        eip7702Auth:{
            chainId: chainId,
        },
       maxFeePerGasPercentageMultiplier: 90, // 90%
       maxPriorityFeePerGasPercentageMultiplier: 90, // 90%
    }
);

{
  sender: '0x21Bb1F7E04d86E341B9E0Bcd13bB9EBB02d00411',
  nonce: 1n,
  callData: '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',
  callGasLimit: 312864n,
  verificationGasLimit: 89578n,
  preVerificationGas: 55184n,
  maxFeePerGas: 7543249565n,
  maxPriorityFeePerGas: 902400n,
  signature: '0xd2614025fc173b86704caf37b2fb447f7618101a0d31f5f304c777024cef38a060a29ee43fcf0c46f9107d4f670b8a85c2c017a1fe9e4af891f24f0be6ba5d671c',
  factory: '0x7702',
  factoryData: null,
  paymaster: null,
  paymasterVerificationGasLimit: null,
  paymasterPostOpGasLimit: null,
  paymasterData: null,
  eip7702Auth: {
    chainId: '0x01',
    address: '0xe6Cae83BdE06E4c305530e199D7217f42808555B',
    nonce: '0x9e',
    yParity: '0x0',
    r: '0x4277ba564d2c138823415df0ec8e8f97f30825056d54ec5128a8b29ec2dd81b2',
    s: '0x1075a1bec7f59848cca899ece93075199cd2aabceb0654b9ae00b881a30044cd'
  }
}

this tx need 0.00345 ETH but the gaspolicy have 0.008457 ETH , so why the tx not happening

[Sednaoui]

1. Since the account's nonce is 1, it has already been upgraded. Therefore, the EIP-7702 authorization tuple is no longer required for subsequent UserOperations.

2. The cost being displayed is for an EOA transaction, not a smart account UserOperation. You should instead calculate the maximum cost (maxCost) of the UserOperation itself. The logic for this calculation can be adapted from the following reference. While it is specific to UserOperationV0.6 and UserOperationV0.7, the underlying principle is the same.

abstractionkit/src/utils.ts

Lines 546 to 564 in 69ea639

	if ("initCode" in useroperation) {
	const isPaymasterAndData =
	useroperation.paymasterAndData == "0x" ||
	useroperation.paymasterAndData == null;
	const mul = isPaymasterAndData ? 3n : 0n;
	const requiredGas =
	useroperation.callGasLimit +
	useroperation.verificationGasLimit * mul +
	useroperation.preVerificationGas;
	return requiredGas * useroperation.maxFeePerGas;
	} else {
	const requiredGas =
	useroperation.verificationGasLimit +
	useroperation.callGasLimit +
	(useroperation.paymasterVerificationGasLimit ?? 0n) +
	(useroperation.paymasterPostOpGasLimit ?? 0n) +
	useroperation.preVerificationGas;
	return requiredGas * useroperation.maxFeePerGas;

[BitOrdev]

1. Since the account's nonce is 1, it has already been upgraded. Therefore, the EIP-7702 authorization tuple is no longer required for subsequent UserOperations.
2. The cost being displayed is for an EOA transaction, not a smart account UserOperation. You should instead calculate the maximum cost (maxCost) of the UserOperation itself. The logic for this calculation can be adapted from the following reference. While it is specific to UserOperationV0.6 and UserOperationV0.7, the underlying principle is the same.

abstractionkit/src/utils.ts

Lines 546 to 564 in 69ea639

	if ("initCode" in useroperation) {
	const isPaymasterAndData =
	useroperation.paymasterAndData == "0x" ||
	useroperation.paymasterAndData == null;
	const mul = isPaymasterAndData ? 3n : 0n;
	const requiredGas =
	useroperation.callGasLimit +
	useroperation.verificationGasLimit * mul +
	useroperation.preVerificationGas;
	return requiredGas * useroperation.maxFeePerGas;
	} else {
	const requiredGas =
	useroperation.verificationGasLimit +
	useroperation.callGasLimit +
	(useroperation.paymasterVerificationGasLimit ?? 0n) +
	(useroperation.paymasterPostOpGasLimit ?? 0n) +
	useroperation.preVerificationGas;
	return requiredGas * useroperation.maxFeePerGas;

But I have made transactions from the wallet before

https://etherscan.io/tx/0xc5a54d4de455f35294378ece0fb3e87d726da8674a8c3acad7b0392e33ca6364

[BitOrdev]

1. Since the account's nonce is 1, it has already been upgraded. Therefore, the EIP-7702 authorization tuple is no longer required for subsequent UserOperations.
2. The cost being displayed is for an EOA transaction, not a smart account UserOperation. You should instead calculate the maximum cost (maxCost) of the UserOperation itself. The logic for this calculation can be adapted from the following reference. While it is specific to UserOperationV0.6 and UserOperationV0.7, the underlying principle is the same.

abstractionkit/src/utils.ts

Lines 546 to 564 in 69ea639

	if ("initCode" in useroperation) {
	const isPaymasterAndData =
	useroperation.paymasterAndData == "0x" ||
	useroperation.paymasterAndData == null;
	const mul = isPaymasterAndData ? 3n : 0n;
	const requiredGas =
	useroperation.callGasLimit +
	useroperation.verificationGasLimit * mul +
	useroperation.preVerificationGas;
	return requiredGas * useroperation.maxFeePerGas;
	} else {
	const requiredGas =
	useroperation.verificationGasLimit +
	useroperation.callGasLimit +
	(useroperation.paymasterVerificationGasLimit ?? 0n) +
	(useroperation.paymasterPostOpGasLimit ?? 0n) +
	useroperation.preVerificationGas;
	return requiredGas * useroperation.maxFeePerGas;

But I have made transactions from the wallet before

https://etherscan.io/tx/0xc5a54d4de455f35294378ece0fb3e87d726da8674a8c3acad7b0392e33ca6364

okay, then how much gasfee need to make this tx ?

[Sednaoui]

I have responded to your question here: #59 (comment)