Ethereum Foundry Script Not Deployed: Fix “Maximum Priority Gas Fee Higher Than Maximum Gas Fee” Error

As a developer creating complex smart contracts, it’s not uncommon to encounter issues during deployment. A common error that can occur is when the Maximum Priority Gas Fee (FEE) exceeds the Maximum Gas Fee (MAX FEE). In this article, we’ll explore why you’re encountering this error in Ethereum Foundry and provide a step-by-step solution to fix it.

Understanding the Error

The “Maximum Priority Gas Fee Higher Than Maximum Gas Fee” error occurs when a Foundry script tries to deploy a smart contract that exceeds the recommended FEE for deployment. The Foundry API provides detailed guidelines for the FEE, which is calculated as follows:

• Maximum FEE per transaction (MAX FEE): 20,000 Wei (0.02 Ether)

• Maximum priority gas fee (FEE): 10,000 Gwei

• Total maximum gas fee (TFEE): MAX FEE + FEE = 30,000 Gwei

If the total maximum gas fee exceeds this value, it means that the foundry script is trying to deploy a contract with a priority fee that is too high, which can cause errors in deployment.

Troubleshooting Steps

To resolve the issue, follow these steps:

• Review Foundry Script: Start by reviewing your Foundry script to make sure it is formatted correctly and complies with the guidelines.

• Check FEE settings

  

  : Check that you are using the correct maximum priority gas fee (FEE) for your contract. You can find this setting in the Foundry settings under the “General” tab.

• Optimize FEE: If possible, try to optimize the FEE for your contract by reducing the maximum priority gas fee or adjusting other parameters.

• Check dependencies: Make sure that all dependencies required to deploy the smart contract are properly configured and optimized.

Sample code

Here is an example of a Foundry script with incorrect FEE settings:

pragma solidity ^0.8.0;
contract MyContract {
function myFunction() public payable(bool) {
// ... contract logic ...
require(paypal.address != 0, "PayPal address is not set.");
return false;
}
}

In this example, the fee is 20,000 Gwei, which exceeds the maximum allowed value of 10,000 Gwei.

Conclusion

The “maximum priority gas fee higher than max gas fee” error in Ethereum Foundry can be frustrating when dealing with complex smart contracts. By following the troubleshooting steps below and optimizing your FEE settings, you should be able to resolve this issue and successfully deploy your Foundry script. Remember to always double-check your Foundry script and make sure it complies with the guidelines set forth by the Foundry API.

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