openzeppelin-contracts/contracts/mocks/ERC20DecimalsMock.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../token/ERC20/ERC20.sol";

contract ERC20DecimalsMock is ERC20 {
    uint8 private immutable _decimals;

    constructor(
        string memory name_,
        string memory symbol_,
        uint8 decimals_
    ) ERC20(name_, symbol_) {
        _decimals = decimals_;
    }

    function decimals() public view virtual override returns (uint8) {
        return _decimals;
    }
}