Entrypoint Errors
AA23: ValidateUserOp Function Failure
Troubleshooting validateUserOp execution issues
Note: OOG = “Out Of Gas”
The smart account’s validateUserOp
function encountered an issue:
- It may have reverted unexpectedly
- It may have exhausted its gas allocation
Troubleshooting Steps
-
Gas Limit Check:
- Increase the
verificationGasLimit
to covervalidateUserOp
costs, if it is less.
- Increase the
-
Logic Verification:
- Review
validateUserOp
implementation - Confirm the user operation’s validity
- Review
-
For Non-Paymaster Scenarios:
- Verify sufficient native tokens in the
sender
address:
const neededFunds = calculateRequiredPrefund({ userOperation }); const accountBalance = await client.getBalance({ address: userOperation.sender, }); if (accountBalance < neededFunds) { throw new Error("Insufficient funds in sender account"); }
- Verify sufficient native tokens in the
-
For Paymaster Usage: - Ensure paymasterAndData is properly set:
const opHash = await bundler.sendUserOp({ paymasterAndData: "0x3b912be0270b59143985cc5c6aab452d99e2b4bb0000000000000000000000000000000000000000000000000000000064c0957400000000000000000000000000000000000000000000000000000000000000007d99385d8ef0af67affbf9944df8c121e9d1f6aef8dd82a4aeb5db310c42d3dc5b51c9e0835d94c3b22564d3d94f0e1d14e37571e46651da8de567d128a361a01b", // Additional operation details... })
-
Signature Verification:
- Ensure your implementation doesn’t revert for invalid signatures
- For non-time-sensitive operations, return
uint(1)
for invalid signatures
-
Advanced Debugging:
- Utilize tools like Tenderly for in-depth analysis