Cannot Verify & Publish Contract Source Code

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1

Hi OpenZeppelin Team!

TOKENTRACKER

POOPMAN (PMAN)

I am not able to Verify & Publish Contract Source Code on the etherscan.io, when trying to achieve this I reveive the following error
ParserError: Source "@openzeppelin/contracts@4.8.3/token/ERC20/ERC20.sol" not found: File import callback not supported
--> myc:4:1:
|
4 | import "@openzeppelin/contracts@4.8.3/token/ERC20/ERC20.sol"
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

ParserError: Source "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/ERC20Burnable.sol" not found: File import callback not supported
--> myc:5:1:
|
5 | import "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/ERC20Burnable.sol"
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

ParserError: Source "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/ERC20Snapshot.sol" not found: File import callback not supported
--> myc:6:1:
|
6 | import "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/ERC20Snapshot.sol"
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

ParserError: Source "@openzeppelin/contracts@4.8.3/access/AccessControl.sol" not found: File import callback not supported
--> myc:7:1:
|
7 | import "@openzeppelin/contracts@4.8.3/access/AccessControl.sol"
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

ParserError: Source "@openzeppelin/contracts@4.8.3/security/Pausable.sol" not found: File import callback not supported
--> myc:8:1:
|
8 | import "@openzeppelin/contracts@4.8.3/security/Pausable.sol"
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

ParserError: Source "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/draft-ERC20Permit.sol" not found: File import callback not supported
--> myc:9:1:
|
9 | import "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/draft-ERC20Permit.sol"
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

ParserError: Source "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/ERC20Votes.sol" not found: File import callback not supported
--> myc:10:1:
|
10 | import "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/ERC20Votes.sol"
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

ParserError: Source "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/ERC20FlashMint.sol" not found: File import callback not supported
--> myc:11:1:
|
11 | import "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/ERC20FlashMint.sol"
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

:1234: Code to reproduce

My source code is

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import "@openzeppelin/contracts@4.8.3/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/ERC20Burnable.sol";
import "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/ERC20Snapshot.sol";
import "@openzeppelin/contracts@4.8.3/access/AccessControl.sol";
import "@openzeppelin/contracts@4.8.3/security/Pausable.sol";
import "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/draft-ERC20Permit.sol";
import "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/ERC20Votes.sol";
import "@openzeppelin/contracts@4.8.3/token/ERC20/extensions/ERC20FlashMint.sol";

contract POOPMAN is ERC20, ERC20Burnable, ERC20Snapshot, AccessControl, Pausable, ERC20Permit, ERC20Votes, ERC20FlashMint {
    bytes32 public constant SNAPSHOT_ROLE = keccak256("SNAPSHOT_ROLE");
    bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE");
    bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");

    constructor() ERC20("POOPMAN", "PMAN") ERC20Permit("POOPMAN") {
        _grantRole(DEFAULT_ADMIN_ROLE, msg.sender);
        _grantRole(SNAPSHOT_ROLE, msg.sender);
        _grantRole(PAUSER_ROLE, msg.sender);
        _mint(msg.sender, 98765432100000 * 10 ** decimals());
        _grantRole(MINTER_ROLE, msg.sender);
    }

    function snapshot() public onlyRole(SNAPSHOT_ROLE) {
        _snapshot();
    }

    function pause() public onlyRole(PAUSER_ROLE) {
        _pause();
    }

    function unpause() public onlyRole(PAUSER_ROLE) {
        _unpause();
    }

    function mint(address to, uint256 amount) public onlyRole(MINTER_ROLE) {
        _mint(to, amount);
    }

    function _beforeTokenTransfer(address from, address to, uint256 amount)
        internal
        whenNotPaused
        override(ERC20, ERC20Snapshot)
    {
        super._beforeTokenTransfer(from, to, amount);
    }

    // The following functions are overrides required by Solidity.

    function _afterTokenTransfer(address from, address to, uint256 amount)
        internal
        override(ERC20, ERC20Votes)
    {
        super._afterTokenTransfer(from, to, amount);
    }

    function _mint(address to, uint256 amount)
        internal
        override(ERC20, ERC20Votes)
    {
        super._mint(to, amount);
    }

    function _burn(address account, uint256 amount)
        internal
        override(ERC20, ERC20Votes)
    {
        super._burn(account, amount);
    }
}

:computer: Environment

Contract deployed from REMIX

Thank you in advance for your support.

Regards.

2

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