:computer: Environment :memo:Details Good afternoon! I want to create a token that can be minted. An error occurred while adding source code to etherscan: Error! Invalid constructor arguments provided. Please verify that they are in ABI-encoded format Please tell me what the problem is and how…

Hi @DaniilSergeevich , The NewCoins contract has no constructor arguments. Etherscan verification is incorrectly picking up that there might be. When verifying on Etherscan, remove all text from the Constructor Arguments field on the verification form as there are no constructor arguments Note: …

Hi @DaniilSergeevich Were you able to verify your contract? Let me know if I can help.

Hi @abcoathup . I had the same issue this morning and I did it using your solution. Thanks!

Hello, I have the same issue. But removing constructor arguments field gives me the same error. Could you please explain how can I verify a simple contract? pragma solidity ^0.6.2; library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b…

Hi @abcoathup . I had the same issue, please can you help me to solve it ?

Hi @mufasa , I recommend the following method to verify: Verify smart contract inheriting from OpenZeppelin Contracts If you are using a flattened contract then you can encode your constructor parameters using: https://abi.hashex.org/ If you continue to run into issues, please create a new topic w…

Same error is coming in my contract while verification, the developer is blaming me that I ruin the code by verifying 3-4 times with wrong information, is it possibile ,smart contract ruin if it goes 3-4 times verify with wrong info? Plzz help me

Hi, welcome! :wave: [image] Lalaji: smart contract ruin if it goes 3-4 times verify with wrong info? I do not think so, at least to the best of my knowledge.

Can u help me to verify the contract ?

Error! Invalid constructor arguments provided. Please verify that they are in ABI-encoded format

Support

Topic		Replies	Views
ABI Encode Etherscan Verification Issue (err_code_2) Contracts erc20	13	7248	March 31, 2022
Error verifying contract with no constructor arguments on Etherscan Support	6	8633	March 27, 2022
Verify ERC20 token on Etherscan, Invalid constructor arguments provided Contracts	3	2329	January 4, 2021
Error! Invalid constructor arguments provided. Please verify that they are in ABI-encoded format - even with correct ABI-encoded args provided Smart Contracts etherscan-verify	4	2153	May 12, 2022
Cannot verify ERC20 contract on Etherscan with no constructor parameters Contracts	11	3454	September 7, 2023

Error! Invalid constructor arguments provided. Please verify that they are in ABI-encoded format

Related topics