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May 19, 2023 01:26
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| // SPDX-License-Identifier: MIT | |
| pragma solidity ^0.8.0; | |
| import '@openzeppelin/contracts/token/ERC20/ERC20.sol'; | |
| contract Ownable { | |
| mapping(address => bool) public owner; | |
| event AddedOwner(address newOwner); | |
| event RemovedOwner(address removedOwner); | |
| constructor() { | |
| owner[msg.sender] = true; | |
| } | |
| modifier onlyOwner() { | |
| require(owner[msg.sender], 'You are not an owner'); | |
| _; | |
| } | |
| function addOwner(address _newOwner) public onlyOwner { | |
| owner[_newOwner] = true; | |
| emit AddedOwner(_newOwner); | |
| } | |
| function removeOwner(address _toRemove) public onlyOwner { | |
| owner[_toRemove] = false; | |
| emit RemovedOwner(_toRemove); | |
| } | |
| } | |
| contract Pepe is ERC20, Ownable { | |
| uint256 private constant INITIAL_SUPPLY = 4 * 10**9 * 10**18; | |
| // Addresses of tax recipients | |
| address public liquidityFeeReceiver = | |
| 0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2; | |
| address public stakingFeeReceiver = | |
| 0x4B20993Bc481177ec7E8f571ceCaE8A9e22C02db; | |
| address public devFeeReceiver = 0x78731D3Ca6b7E34aC0F824c42a7cC18A495cabaB; | |
| bool public feesOnNormalTransfers = false; | |
| uint256 public _liquidityPercentage = 1; | |
| uint256 public _stakingPercentage = 1; | |
| uint256 public _devPercentage = 1; | |
| mapping(address => bool) public _isFeeExempt; | |
| mapping(address => bool) public blacklist; | |
| constructor() ERC20('Pepe Funds', 'PEPE') { | |
| _isFeeExempt[msg.sender] = true; | |
| _isFeeExempt[address(this)] = true; | |
| _isFeeExempt[liquidityFeeReceiver] = true; | |
| _isFeeExempt[stakingFeeReceiver] = true; | |
| _isFeeExempt[devFeeReceiver] = true; | |
| addOwner(msg.sender); | |
| _mint(msg.sender, INITIAL_SUPPLY); | |
| } | |
| function checkFeeExempt(address _addr) external view returns (bool) { | |
| return _isFeeExempt[_addr]; | |
| } | |
| function _transfer( | |
| address sender, | |
| address recipient, | |
| uint256 amount | |
| ) internal override { | |
| require(!blacklist[sender] && !blacklist[recipient], 'in_blacklist'); | |
| bool _shouldTakeFee = shouldTakeFee(sender, recipient); | |
| if (_shouldTakeFee) { | |
| uint256 liquidityAmount = (amount * _liquidityPercentage) / 100; | |
| uint256 stakingAmount = (amount * _stakingPercentage) / 100; | |
| uint256 devAmount = (amount * _devPercentage) / 100; | |
| uint256 totalAmount = liquidityAmount + stakingAmount + devAmount; | |
| uint256 netAmount = amount - totalAmount; | |
| super._transfer(sender, recipient, netAmount); | |
| // Distribute taxes | |
| super._transfer(sender, liquidityFeeReceiver, liquidityAmount); | |
| super._transfer(sender, stakingFeeReceiver, stakingAmount); | |
| super._transfer(sender, devFeeReceiver, devAmount); | |
| } else { | |
| super._transfer(sender, recipient, amount); | |
| } | |
| } | |
| function updateTaxReceiver( | |
| address _liquidityFeeReceiver, | |
| address _stakingFeeReceiver, | |
| address _devFeeReceiver | |
| ) public onlyOwner { | |
| liquidityFeeReceiver = _liquidityFeeReceiver; | |
| stakingFeeReceiver = _stakingFeeReceiver; | |
| devFeeReceiver = _devFeeReceiver; | |
| } | |
| function updateTaxPercentage( | |
| uint256 liquidityPercentage, | |
| uint256 stakingPercentage, | |
| uint256 devPercentage | |
| ) public onlyOwner { | |
| _liquidityPercentage = liquidityPercentage; | |
| _stakingPercentage = stakingPercentage; | |
| _devPercentage = devPercentage; | |
| } | |
| function setFeeExempt(address _addr, bool _value) external onlyOwner { | |
| require(_isFeeExempt[_addr] != _value, 'Not changed'); | |
| _isFeeExempt[_addr] = _value; | |
| } | |
| function updateBlacklist(address _user, bool _flag) public onlyOwner { | |
| blacklist[_user] = _flag; | |
| } | |
| function shouldTakeFee(address from, address to) | |
| internal | |
| view | |
| returns (bool) | |
| { | |
| if (_isFeeExempt[from] || _isFeeExempt[to]) { | |
| return false; | |
| } else if (feesOnNormalTransfers) { | |
| return true; | |
| } else { | |
| return false; | |
| } | |
| } | |
| function setFeesOnNormalTransfers(bool _enabled) external onlyOwner { | |
| require(feesOnNormalTransfers != _enabled, 'Not changed'); | |
| feesOnNormalTransfers = _enabled; | |
| } | |
| } |
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