Ethereum: Find out revert/error reason

Refund reasons to execute the passage of forwarding

Ethereum: Find out revert/error reason

While we are immersed in the code, we first try to understand why the function of protester.execute. In particular, I will explore the reason behind Revertreason" and make suggestions on how to solve it.

strength

Pragma Solidity ^0.8.0;

The title of the Treaty {

// The Logic of the Business of the Provincial Treaty

Joinchallenge Function (NAint256 _challenge) PUBLIC View Returns (bool): String memory {{

// Let the logic of the forwarder here …

// User signs a permit request and restore the result of success

bool success = truth;

The return of success;

Iche

Execute function () public only power {

// there is a return …

// Function Joinchallenge Call BOOKER.JOINCHALLEGE

// Here’s what could cause a return:

// 1. Invalid entrance: If `_challenge is not a valid index for a series of challenges.

// loneliness returns the error message

// “The arguments passed to Joinchallenge are not valid.”

reverteason = “Invalid Challenge Index”;

// 2. Gas limitations: Windchallenge 'function may exceed the allowed gas limit.

// Gas cost to callJoinchallenge ‘could be too high, which is why the contract has exhausted its resources.

// In this case loneliness restores the error message

reverteason = “gas consumption exceeded”;

// 3. Logic of the attacker: If there is a problem with the functionality of the attacker,

// This can cause a return to Joinchallenge.

// Here’s what this might start:

// 1. Internal error: The gateway has come across an internal error.

// These can be caused by different factors, such as faulty logic or wrong assumptions.

reverteason = “internal error of the passer”;

// If the return happens we have to wear it correctly

IF (reverteason! = “Invalid Challenge Index”) {)

// Hands Return to Joinchallenge function …

// Check gas restrictions

Gaslimitcheck ();

Iche

Iche

`

Solution suggestions

  • Entry Validation

    : Checkentrance to ensure that this is a valid series index or a certain value that can be transferred to a jinchallenge ‘.

  • Gas ​​limitations : Make sure that there is a function of protest.Joinchallenge sufficient gas restrictions on the processing of calls from your passage agreement.

3

An additional advice

  • Follow the minutes of your attacker for any problems that could cause a return.

  • Review the gas costs of Joinchallenge to ensure that it is reasonable and will not exceed the limit allowed.

  • Thoroughly test your attacker to identify potential regression or marginal cases.

  • Consider implementing more robust input validations, gas limitations and error detection mechanisms to prevent a return in the future.

By addressing these areas, you should be able to resolve the reason for the return to forwarder.execute and ensure the reliable performance of the functionCoinchallenge.

CAPITALISATION ETHEREUM MACHINE

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