Compiler debug log error unable to generate contract bytecode and abilities

Every time I’m trying to deploy my token contract on the test net, I’m facing this error:

Compiler debug log: Error! Unable to generate Contract ByteCode and
ABI Found the following ContractName(s) in source code: SafeMath,
Token But we were unable to locate a matching bytecode (err_code_2)
For troubleshooting, you can try compiling your source code with the
Remix — Solidity IDE and check for exceptions

This is the image of error

This is my code:

//SPDX-License-Identifier: Unlicensed 
pragma solidity ^0.8.7;
library SafeMath {
    function Add(uint a, uint b) public pure returns (uint c) {
        c = a + b;
        require(c >= a);
    }
    function Sub(uint a, uint b) public pure returns (uint c) {
        require(b <= a);
        c = a - b;
    }
    function Mul(uint a, uint b) public pure returns (uint c) {
        c = a * b;
        require(a == 0 || c / a == b);
    }
    function Div(uint a, uint b) public pure returns (uint c) {
        require(b > 0);
        c = a / b;
    }
}

contract Token{
    using SafeMath for uint256;
    string public name = 'MY TOKEN';
    string public symbol = 'MTK';
    uint256 public decimals = 18 ;
    uint256 public totalsupply = 10000000000000000000000 ;
    address owner;
    //5% will go to owner and 5% of transaction will burn
    uint taxfee = 5;
    uint burnfee = 5;
    bool public istransferable = false;

    //bool public ExcludedFromReward = false;


    //exclude addresses from deflation
    mapping(address=>bool) public ExcludedFromFee;
    //mapping(address=>bool) public ExcludedFromReward;
    mapping(address => uint256) public balance;
    mapping(address => mapping(address => uint256)) allowance;
    mapping (address => bool) public _Blacklisted;  

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
    event OwnershipTransfer(address indexed previousOwner, address indexed newOwner);

    constructor(){//(string memory Name, string memory Symbol, uint Decimals, uint TotalSupply) {
        // name = Name;
        // symbol = Symbol;
        // decimals = Decimals;
       // totalsupply = TotalSupply; 
        owner = msg.sender;
        balance[owner] = totalsupply;//TotalSupply;
        ExcludedFromFee[owner] = true;
         _rOwned[msg.sender] = _rTotal;
    }
    function Balance() public view returns(uint256) {
        return balance[owner];
    }

Cannot verify contract deployed with abi #22544

Comments

GooGrand commented Mar 22, 2021

System
OS & Version: Linux

Expected behaviour

Contracts deployed with sol code and with golang abi will have the same bytecode.

Actual behaviour

I found trouble with verifying contract. The error is «Error! Unable to generate Contract ByteCode and ABI». The bytecodes are different so contract cannot be verified.

Steps to reproduce the behaviour

1. Make solidity code
2. Create an abi for it with abigen tool
3. Deploy contract on BSC
4. Try to verify contract with solidity code

The text was updated successfully, but these errors were encountered:

MariusVanDerWijden commented Mar 22, 2021

I don’t think this is an issue with abigen. If you specify the bytecode to abigen, it will not generate something different. The bytecode in the go binding is the deployed bytecode + the deployment code, maybe that is your problem?
Can you please provide some more details, so we can reproduce it (command line arguments, example contract, . )

no-response bot commented Apr 23, 2021

This issue has been automatically closed because there has been no response to our request for more information from the original author. With only the information that is currently in the issue, we don’t have enough information to take action. Please reach out if you have more relevant information or answers to our questions so that we can investigate further.

wantedpixelmaza commented May 24, 2021

I don’t think this is an issue with abigen. If you specify the bytecode to abigen, it will not generate something different. The bytecode in the go binding is the deployed bytecode + the deployment code, maybe that is your problem?
Can you please provide some more details, so we can reproduce it (command line arguments, example contract, . )

Compiler debug log:
Error! Unable to generate Contract ByteCode and ABI
Found the following ContractName(s) in source code : ERC20Interface, Pussy, SafeMath
But we were unable to locate a matching bytecode (err_code_2)
For troubleshooting, you can try compiling your source code with the Remix — Solidity IDE and check for exception

Tech4Money commented Jun 9, 2021

I deployed and then forgot to verify the same day. Had a eroro with my txt file and now am unable to verify getting this error. 0x9a877792c4c9fb2278ec4e11289217a9a4567378

Compiler debug log:
Error! Unable to generate Contract ByteCode and ABI
Found the following ContractName(s) in source code : Address, Context, IERC20, IUniswapV2Factory, IUniswapV2Pair, IUniswapV2Router01, IUniswapV2Router02, Ownable, SRG, SafeMath
But we were unable to locate a matching bytecode (err_code_2)

Tech4Money commented Jun 9, 2021

I don’t think this is an issue with abigen. If you specify the bytecode to abigen, it will not generate something different. The bytecode in the go binding is the deployed bytecode + the deployment code, maybe that is your problem?
Can you please provide some more details, so we can reproduce it (command line arguments, example contract, . )

Hi are you able to help me?

Hon3stP3rson commented Jan 20, 2022

hello. i have the same issue

ghost commented May 7, 2022

we have the same error code
Error! Unable to generate Contract ByteCode and ABI

But we were unable to locate a matching bytecode (err_code_2)

Источник

Created a token and I get an error when trying to verify: Error! Unable to generate Contract ByteCode and ABI #1248

Comments

zueljin commented Apr 30, 2021

Hello, I used a youtube tutorial to create a token on the Binance smart chain and have been distributing it to my community for rewards and role designation in discord. I want to get it verified so that I can add add an image to it through bscscan but I’m getting an error:

Error! Unable to generate Contract ByteCode and ABI
Found the following ContractName(s) in source code : Token
But we were unable to locate a matching bytecode (err_code_2)

I’ve never coded anything before this in my life before this and have very little knowledge about what anything means in the code. It compiles correctly on Remix 0.8.2 but will not verify. I’ve also tried optimization enabled and disabled with the same result. I’ll paste it below for your review. I heard flattening it may resolve it but I couldn’t figure out how to use truffle-flattener. Any help is appreciated

pragma solidity ^0.8.2;

contract Token <
mapping(address => uint) public balances;
mapping(address => mapping(address => uint)) public allowance;
uint public totalSupply = 10000000 * 10 ** 18;
string public name = «Zuelyen»;
string public symbol = «ZYN»;
uint public decimals = 18;

The text was updated successfully, but these errors were encountered:

Источник

[Solved] Error! Unable to generate Contract ByteCode and ABI (General Exception, unable to get compiled [bytecode])

spectro

Guest

spectro Asks: Error! Unable to generate Contract ByteCode and ABI (General Exception, unable to get compiled [bytecode])
I have tried to verify my contract with my address and It’s a ERC-20 Ropsten Test Network. “0xee4ab34a3aa0b7d3e570df31da9f9afee9f5353b” and It just gave me a error.

Error! Unable to generate Contract ByteCode and ABI (General Exception, unable to get compiled [bytecode])

It’s a Ropsten Test Network Contract and the contract is “0xf08309b47cfc7b1e88a66a913660c57388ef2bab”

I would love for someone to help me verify my contract.

Here is the contract source code

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Источник

Error! Unable to generate Contract ByteCode and ABI I’m getting

this error when trying to check. Does anyone know why?

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I deployed a contract of a token that has up to nine other files imported to the finance blockchain. I have done everything I can read and try in order to verify it. But it keeps giving me error.
Compiler debug log:
Error! Unable to generate Contract ByteCode and ABI
Found the following ContractName(s) in source code : Address, Context, IERC20, IUniswapV2Factory, IUniswapV2Pair, IUniswapV2Router01, IUniswapV2Router02, Ownable, RentCoin, SafeMath
But we were unable to locate a matching bytecode (err_code_2)
For troubleshooting, you can try compiling your source code with the Remix — Solidity IDE and check for exceptions

My contract was compiled and deployed using Remix and optimization was set to 200. My compiler version is 0.6.12 and the link to the flattened contract is below:

https://drive.google.com/file/d/100J73q4hutqqmT1tZEuMn46YYFmzYaT0/view?usp=sharing

I understand that this contract involves constructors but I really need a practical guide on how to locate them and convert them to the right-abi-encoded JSON format that the verification page may accept.