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pragma solidity ^0.8.13;
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interface IERC20 {
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function totalSupply() external view returns (uint256);
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function balanceOf(address account) external view returns (uint256);
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function transfer(address recipient, uint256 amount) external returns (bool);
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function allowance(address owner, address spender) external view returns (uint256);
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function approve(address spender, uint256 amount) external returns (bool);
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function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
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event Transfer(address indexed from, address indexed to, uint256 value);
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event Approval(address indexed owner, address indexed spender, uint256 value);
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}
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library SafeMath {
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function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
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|
unchecked {
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|
uint256 c = a + b;
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|
if (c < a) return (false, 0);
|
|
return (true, c);
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|
}
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|
}
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|
|
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
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|
unchecked {
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|
if (b > a) return (false, 0);
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|
return (true, a - b);
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|
}
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|
}
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|
|
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
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|
unchecked {
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|
if (a == 0) return (true, 0);
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|
uint256 c = a * b;
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|
if (c / a != b) return (false, 0);
|
|
return (true, c);
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|
}
|
|
}
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|
|
|
|
|
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
|
|
unchecked {
|
|
if (b == 0) return (false, 0);
|
|
return (true, a / b);
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|
}
|
|
}
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|
|
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|
|
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
|
|
unchecked {
|
|
if (b == 0) return (false, 0);
|
|
return (true, a % b);
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|
}
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|
}
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|
|
function add(uint256 a, uint256 b) internal pure returns (uint256) {
|
|
return a + b;
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|
}
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|
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
|
|
return a - b;
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|
}
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|
|
|
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
|
|
return a * b;
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|
}
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|
|
function div(uint256 a, uint256 b) internal pure returns (uint256) {
|
|
return a / b;
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|
}
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|
|
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
|
|
return a % b;
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|
}
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|
|
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
|
|
unchecked {
|
|
require(b <= a, errorMessage);
|
|
return a - b;
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|
}
|
|
}
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|
|
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
|
|
unchecked {
|
|
require(b > 0, errorMessage);
|
|
return a / b;
|
|
}
|
|
}
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|
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|
|
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
|
|
unchecked {
|
|
require(b > 0, errorMessage);
|
|
return a % b;
|
|
}
|
|
}
|
|
}
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|
|
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|
|
abstract contract Context {
|
|
function _msgSender() internal view virtual returns (address) {
|
|
return msg.sender;
|
|
}
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|
|
|
function _msgData() internal view virtual returns (bytes calldata) {
|
|
this;
|
|
return msg.data;
|
|
}
|
|
}
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|
|
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|
|
library Address {
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|
|
function isContract(address account) internal view returns (bool) {
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|
|
uint256 size;
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|
|
assembly { size := extcodesize(account) }
|
|
return size > 0;
|
|
}
|
|
|
|
|
|
function sendValue(address payable recipient, uint256 amount) internal {
|
|
require(address(this).balance >= amount, "Address: insufficient balance");
|
|
|
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|
|
(bool success, ) = recipient.call{ value: amount }("");
|
|
require(success, "Address: unable to send value, recipient may have reverted");
|
|
}
|
|
|
|
|
|
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
|
|
return functionCall(target, data, "Address: low-level call failed");
|
|
}
|
|
|
|
|
|
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
|
|
return functionCallWithValue(target, data, 0, errorMessage);
|
|
}
|
|
|
|
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
|
|
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
|
|
}
|
|
|
|
|
|
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
|
|
require(address(this).balance >= value, "Address: insufficient balance for call");
|
|
require(isContract(target), "Address: call to non-contract");
|
|
|
|
|
|
(bool success, bytes memory returndata) = target.call{ value: value }(data);
|
|
return _verifyCallResult(success, returndata, errorMessage);
|
|
}
|
|
|
|
|
|
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
|
|
return functionStaticCall(target, data, "Address: low-level static call failed");
|
|
}
|
|
|
|
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
|
|
require(isContract(target), "Address: static call to non-contract");
|
|
|
|
|
|
(bool success, bytes memory returndata) = target.staticcall(data);
|
|
return _verifyCallResult(success, returndata, errorMessage);
|
|
}
|
|
|
|
|
|
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
|
|
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
|
|
}
|
|
|
|
|
|
function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
|
|
require(isContract(target), "Address: delegate call to non-contract");
|
|
|
|
|
|
(bool success, bytes memory returndata) = target.delegatecall(data);
|
|
return _verifyCallResult(success, returndata, errorMessage);
|
|
}
|
|
|
|
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
|
|
if (success) {
|
|
return returndata;
|
|
} else {
|
|
|
|
if (returndata.length > 0) {
|
|
|
|
|
|
|
|
assembly {
|
|
let returndata_size := mload(returndata)
|
|
revert(add(32, returndata), returndata_size)
|
|
}
|
|
} else {
|
|
revert(errorMessage);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
abstract contract Ownable is Context {
|
|
address private _owner;
|
|
|
|
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
|
|
|
|
|
|
constructor () {
|
|
_owner = _msgSender();
|
|
emit OwnershipTransferred(address(0), _owner);
|
|
}
|
|
|
|
|
|
function owner() public view virtual returns (address) {
|
|
return _owner;
|
|
}
|
|
|
|
|
|
modifier onlyOwner() {
|
|
require(owner() == _msgSender(), "Ownable: caller is not the owner");
|
|
_;
|
|
}
|
|
|
|
|
|
function renounceOwnership() public virtual onlyOwner {
|
|
emit OwnershipTransferred(_owner, address(0));
|
|
_owner = address(0);
|
|
}
|
|
|
|
|
|
function transferOwnership(address newOwner) public virtual onlyOwner {
|
|
require(newOwner != address(0), "Ownable: new owner is the zero address");
|
|
emit OwnershipTransferred(_owner, newOwner);
|
|
_owner = newOwner;
|
|
}
|
|
}
|
|
|
|
interface IUniswapV2Factory {
|
|
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
|
|
|
|
function feeTo() external view returns (address);
|
|
function feeToSetter() external view returns (address);
|
|
|
|
function getPair(address tokenA, address tokenB) external view returns (address pair);
|
|
function allPairs(uint) external view returns (address pair);
|
|
function allPairsLength() external view returns (uint);
|
|
|
|
function createPair(address tokenA, address tokenB) external returns (address pair);
|
|
|
|
function setFeeTo(address) external;
|
|
function setFeeToSetter(address) external;
|
|
}
|
|
|
|
interface IUniswapV2Pair {
|
|
event Approval(address indexed owner, address indexed spender, uint value);
|
|
event Transfer(address indexed from, address indexed to, uint value);
|
|
|
|
function name() external pure returns (string memory);
|
|
function symbol() external pure returns (string memory);
|
|
function decimals() external pure returns (uint8);
|
|
function totalSupply() external view returns (uint);
|
|
function balanceOf(address owner) external view returns (uint);
|
|
function allowance(address owner, address spender) external view returns (uint);
|
|
|
|
function approve(address spender, uint value) external returns (bool);
|
|
function transfer(address to, uint value) external returns (bool);
|
|
function transferFrom(address from, address to, uint value) external returns (bool);
|
|
|
|
function DOMAIN_SEPARATOR() external view returns (bytes32);
|
|
function PERMIT_TYPEHASH() external pure returns (bytes32);
|
|
function nonces(address owner) external view returns (uint);
|
|
|
|
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
|
|
|
|
event Sync(uint112 reserve0, uint112 reserve1);
|
|
|
|
function MINIMUM_LIQUIDITY() external pure returns (uint);
|
|
function factory() external view returns (address);
|
|
function token0() external view returns (address);
|
|
function token1() external view returns (address);
|
|
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
|
|
function price0CumulativeLast() external view returns (uint);
|
|
function price1CumulativeLast() external view returns (uint);
|
|
function kLast() external view returns (uint);
|
|
|
|
|
|
|
|
function initialize(address, address) external;
|
|
}
|
|
|
|
interface IUniswapV2Router01 {
|
|
function factory() external pure returns (address);
|
|
function WETH() external pure returns (address);
|
|
|
|
function addLiquidity(
|
|
address tokenA,
|
|
address tokenB,
|
|
uint amountADesired,
|
|
uint amountBDesired,
|
|
uint amountAMin,
|
|
uint amountBMin,
|
|
address to,
|
|
uint deadline
|
|
) external returns (uint amountA, uint amountB, uint liquidity);
|
|
function addLiquidityETH(
|
|
address token,
|
|
uint amountTokenDesired,
|
|
uint amountTokenMin,
|
|
uint amountETHMin,
|
|
address to,
|
|
uint deadline
|
|
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
|
|
function removeLiquidity(
|
|
address tokenA,
|
|
address tokenB,
|
|
uint liquidity,
|
|
uint amountAMin,
|
|
uint amountBMin,
|
|
address to,
|
|
uint deadline
|
|
) external returns (uint amountA, uint amountB);
|
|
function removeLiquidityETH(
|
|
address token,
|
|
uint liquidity,
|
|
uint amountTokenMin,
|
|
uint amountETHMin,
|
|
address to,
|
|
uint deadline
|
|
) external returns (uint amountToken, uint amountETH);
|
|
function removeLiquidityWithPermit(
|
|
address tokenA,
|
|
address tokenB,
|
|
uint liquidity,
|
|
uint amountAMin,
|
|
uint amountBMin,
|
|
address to,
|
|
uint deadline,
|
|
bool approveMax, uint8 v, bytes32 r, bytes32 s
|
|
) external returns (uint amountA, uint amountB);
|
|
function removeLiquidityETHWithPermit(
|
|
address token,
|
|
uint liquidity,
|
|
uint amountTokenMin,
|
|
uint amountETHMin,
|
|
address to,
|
|
uint deadline,
|
|
bool approveMax, uint8 v, bytes32 r, bytes32 s
|
|
) external returns (uint amountToken, uint amountETH);
|
|
function swapExactTokensForTokens(
|
|
uint amountIn,
|
|
uint amountOutMin,
|
|
address[] calldata path,
|
|
address to,
|
|
uint deadline
|
|
) external returns (uint[] memory amounts);
|
|
function swapTokensForExactTokens(
|
|
uint amountOut,
|
|
uint amountInMax,
|
|
address[] calldata path,
|
|
address to,
|
|
uint deadline
|
|
) external returns (uint[] memory amounts);
|
|
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
|
|
external
|
|
payable
|
|
returns (uint[] memory amounts);
|
|
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
|
|
external
|
|
returns (uint[] memory amounts);
|
|
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
|
|
external
|
|
returns (uint[] memory amounts);
|
|
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
|
|
external
|
|
payable
|
|
returns (uint[] memory amounts);
|
|
|
|
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
|
|
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
|
|
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
|
|
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
|
|
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
|
|
}
|
|
|
|
interface IUniswapV2Router02 is IUniswapV2Router01 {
|
|
function removeLiquidityETHSupportingFeeOnTransferTokens(
|
|
address token,
|
|
uint liquidity,
|
|
uint amountTokenMin,
|
|
uint amountETHMin,
|
|
address to,
|
|
uint deadline
|
|
) external returns (uint amountETH);
|
|
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
|
|
address token,
|
|
uint liquidity,
|
|
uint amountTokenMin,
|
|
uint amountETHMin,
|
|
address to,
|
|
uint deadline,
|
|
bool approveMax, uint8 v, bytes32 r, bytes32 s
|
|
) external returns (uint amountETH);
|
|
|
|
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
|
|
uint amountIn,
|
|
uint amountOutMin,
|
|
address[] calldata path,
|
|
address to,
|
|
uint deadline
|
|
) external;
|
|
function swapExactETHForTokensSupportingFeeOnTransferTokens(
|
|
uint amountOutMin,
|
|
address[] calldata path,
|
|
address to,
|
|
uint deadline
|
|
) external payable;
|
|
function swapExactTokensForETHSupportingFeeOnTransferTokens(
|
|
uint amountIn,
|
|
uint amountOutMin,
|
|
address[] calldata path,
|
|
address to,
|
|
uint deadline
|
|
) external;
|
|
}
|
|
|
|
|
|
contract KachiKachiYama is Context, IERC20, Ownable {
|
|
using SafeMath for uint256;
|
|
using Address for address;
|
|
|
|
uint8 private _decimals = 9;
|
|
|
|
|
|
string private _name = "Kachi Kachi Yama";
|
|
string private _symbol = "YAMA";
|
|
uint256 private _tTotal = 1 * 10**9 * 10**uint256(_decimals);
|
|
|
|
|
|
uint256 public defaultTaxFee = 0;
|
|
uint256 public _taxFee = defaultTaxFee;
|
|
uint256 private _previousTaxFee = _taxFee;
|
|
|
|
|
|
uint256 public defaultMarketingFee = 2;
|
|
uint256 public _marketingFee = defaultMarketingFee;
|
|
uint256 private _previousMarketingFee = _marketingFee;
|
|
|
|
uint256 public _marketingFee4Sellers = 2;
|
|
|
|
bool public feesOnSellersAndBuyers = true;
|
|
|
|
uint256 public _maxTxAmount = _tTotal.div(1).div(49);
|
|
uint256 public numTokensToExchangeForMarketing = _tTotal.div(100).div(100);
|
|
address payable public marketingWallet = payable(0x903a78AA540bDD2655cA24e25Ad0A961a988ED81);
|
|
|
|
mapping (address => uint256) private _rOwned;
|
|
mapping (address => uint256) private _tOwned;
|
|
mapping (address => mapping (address => uint256)) private _allowances;
|
|
|
|
mapping (address => bool) private _isExcludedFromFee;
|
|
|
|
mapping (address => bool) private _isExcluded;
|
|
|
|
mapping (address => bool) public _isBlacklisted;
|
|
|
|
address[] private _excluded;
|
|
uint256 private constant MAX = ~uint256(0);
|
|
|
|
uint256 private _tFeeTotal;
|
|
uint256 private _rTotal = (MAX - (MAX % _tTotal));
|
|
|
|
IUniswapV2Router02 public immutable uniswapV2Router;
|
|
address public immutable uniswapV2Pair;
|
|
|
|
bool inSwapAndSend;
|
|
bool public SwapAndSendEnabled = true;
|
|
|
|
event SwapAndSendEnabledUpdated(bool enabled);
|
|
|
|
modifier lockTheSwap {
|
|
inSwapAndSend = true;
|
|
_;
|
|
inSwapAndSend = false;
|
|
}
|
|
|
|
constructor () {
|
|
_rOwned[_msgSender()] = _rTotal;
|
|
|
|
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
|
|
|
|
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
|
|
.createPair(address(this), _uniswapV2Router.WETH());
|
|
|
|
|
|
uniswapV2Router = _uniswapV2Router;
|
|
|
|
|
|
_isExcludedFromFee[owner()] = true;
|
|
_isExcludedFromFee[address(this)] = true;
|
|
|
|
emit Transfer(address(0), _msgSender(), _tTotal);
|
|
}
|
|
|
|
function name() public view returns (string memory) {
|
|
return _name;
|
|
}
|
|
|
|
function symbol() public view returns (string memory) {
|
|
return _symbol;
|
|
}
|
|
|
|
function decimals() public view returns (uint8) {
|
|
return _decimals;
|
|
}
|
|
|
|
function totalSupply() public view override returns (uint256) {
|
|
return _tTotal;
|
|
}
|
|
|
|
function balanceOf(address account) public view override returns (uint256) {
|
|
if (_isExcluded[account]) return _tOwned[account];
|
|
return tokenFromReflection(_rOwned[account]);
|
|
}
|
|
|
|
function transfer(address recipient, uint256 amount) public override returns (bool) {
|
|
_transfer(_msgSender(), recipient, amount);
|
|
return true;
|
|
}
|
|
|
|
function allowance(address owner, address spender) public view override returns (uint256) {
|
|
return _allowances[owner][spender];
|
|
}
|
|
|
|
function approve(address spender, uint256 amount) public override returns (bool) {
|
|
_approve(_msgSender(), spender, amount);
|
|
return true;
|
|
}
|
|
|
|
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
|
|
_transfer(sender, recipient, amount);
|
|
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
|
|
return true;
|
|
}
|
|
|
|
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
|
|
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
|
|
return true;
|
|
}
|
|
|
|
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
|
|
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
|
|
return true;
|
|
}
|
|
|
|
function isExcludedFromReward(address account) public view returns (bool) {
|
|
return _isExcluded[account];
|
|
}
|
|
|
|
function totalFees() public view returns (uint256) {
|
|
return _tFeeTotal;
|
|
}
|
|
|
|
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
|
|
require(tAmount <= _tTotal, "Amount must be less than supply");
|
|
if (!deductTransferFee) {
|
|
(uint256 rAmount,,,,,) = _getValues(tAmount);
|
|
return rAmount;
|
|
} else {
|
|
(,uint256 rTransferAmount,,,,) = _getValues(tAmount);
|
|
return rTransferAmount;
|
|
}
|
|
}
|
|
|
|
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
|
|
require(rAmount <= _rTotal, "Amount must be less than total reflections");
|
|
uint256 currentRate = _getRate();
|
|
return rAmount.div(currentRate);
|
|
}
|
|
|
|
function excludeFromReward(address account) public onlyOwner() {
|
|
|
|
require(!_isExcluded[account], "Account is already excluded");
|
|
if(_rOwned[account] > 0) {
|
|
_tOwned[account] = tokenFromReflection(_rOwned[account]);
|
|
}
|
|
_isExcluded[account] = true;
|
|
_excluded.push(account);
|
|
}
|
|
|
|
function includeInReward(address account) external onlyOwner() {
|
|
require(_isExcluded[account], "Account is already excluded");
|
|
for (uint256 i = 0; i < _excluded.length; i++) {
|
|
if (_excluded[i] == account) {
|
|
_excluded[i] = _excluded[_excluded.length - 1];
|
|
_tOwned[account] = 0;
|
|
_isExcluded[account] = false;
|
|
_excluded.pop();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
function excludeFromFee(address account) public onlyOwner() {
|
|
_isExcludedFromFee[account] = true;
|
|
}
|
|
|
|
function includeInFee(address account) public onlyOwner() {
|
|
_isExcludedFromFee[account] = false;
|
|
}
|
|
|
|
function removeAllFee() private {
|
|
if(_taxFee == 0 && _marketingFee == 0) return;
|
|
|
|
_previousTaxFee = _taxFee;
|
|
_previousMarketingFee = _marketingFee;
|
|
|
|
_taxFee = 0;
|
|
_marketingFee = 0;
|
|
}
|
|
|
|
function restoreAllFee() private {
|
|
_taxFee = _previousTaxFee;
|
|
_marketingFee = _previousMarketingFee;
|
|
}
|
|
|
|
|
|
receive() external payable {}
|
|
|
|
function _reflectFee(uint256 rFee, uint256 tFee) private {
|
|
_rTotal = _rTotal.sub(rFee);
|
|
_tFeeTotal = _tFeeTotal.add(tFee);
|
|
}
|
|
|
|
function addToBlackList(address[] calldata addresses) external onlyOwner {
|
|
for (uint256 i; i < addresses.length; ++i) {
|
|
_isBlacklisted[addresses[i]] = true;
|
|
}
|
|
}
|
|
|
|
function removeFromBlackList(address account) external onlyOwner {
|
|
_isBlacklisted[account] = false;
|
|
}
|
|
|
|
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
|
|
(uint256 tTransferAmount, uint256 tFee, uint256 tMarketing) = _getTValues(tAmount);
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tMarketing, _getRate());
|
|
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tMarketing);
|
|
}
|
|
|
|
function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) {
|
|
uint256 tFee = calculateTaxFee(tAmount);
|
|
uint256 tMarketing = calculateMarketingFee(tAmount);
|
|
uint256 tTransferAmount = tAmount.sub(tFee).sub(tMarketing);
|
|
return (tTransferAmount, tFee, tMarketing);
|
|
}
|
|
|
|
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tMarketing, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
|
|
uint256 rAmount = tAmount.mul(currentRate);
|
|
uint256 rFee = tFee.mul(currentRate);
|
|
uint256 rMarketing = tMarketing.mul(currentRate);
|
|
uint256 rTransferAmount = rAmount.sub(rFee).sub(rMarketing);
|
|
return (rAmount, rTransferAmount, rFee);
|
|
}
|
|
|
|
function _getRate() private view returns(uint256) {
|
|
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
|
|
return rSupply.div(tSupply);
|
|
}
|
|
|
|
function _getCurrentSupply() private view returns(uint256, uint256) {
|
|
uint256 rSupply = _rTotal;
|
|
uint256 tSupply = _tTotal;
|
|
for (uint256 i = 0; i < _excluded.length; i++) {
|
|
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
|
|
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
|
|
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
|
|
}
|
|
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
|
|
return (rSupply, tSupply);
|
|
}
|
|
|
|
function _takeMarketing(uint256 tMarketing) private {
|
|
uint256 currentRate = _getRate();
|
|
uint256 rMarketing = tMarketing.mul(currentRate);
|
|
_rOwned[address(this)] = _rOwned[address(this)].add(rMarketing);
|
|
if(_isExcluded[address(this)])
|
|
_tOwned[address(this)] = _tOwned[address(this)].add(tMarketing);
|
|
}
|
|
|
|
function calculateTaxFee(uint256 _amount) private view returns (uint256) {
|
|
return _amount.mul(_taxFee).div(
|
|
10**2
|
|
);
|
|
}
|
|
|
|
function calculateMarketingFee(uint256 _amount) private view returns (uint256) {
|
|
return _amount.mul(_marketingFee).div(
|
|
10**2
|
|
);
|
|
}
|
|
|
|
function isExcludedFromFee(address account) public view returns(bool) {
|
|
return _isExcludedFromFee[account];
|
|
}
|
|
|
|
function _approve(address owner, address spender, uint256 amount) private {
|
|
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 _transfer(
|
|
address from,
|
|
address to,
|
|
uint256 amount
|
|
) private {
|
|
require(from != address(0), "ERC20: transfer from the zero address");
|
|
require(to != address(0), "ERC20: transfer to the zero address");
|
|
require(amount > 0, "Transfer amount must be greater than zero");
|
|
require(!_isBlacklisted[from] && !_isBlacklisted[to], "This address is blacklisted");
|
|
|
|
if(from != owner() && to != owner())
|
|
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
|
|
|
|
|
|
|
|
|
|
if(feesOnSellersAndBuyers) {
|
|
setFees(to);
|
|
}
|
|
|
|
|
|
bool takeFee = true;
|
|
|
|
|
|
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]) {
|
|
takeFee = false;
|
|
}
|
|
|
|
_tokenTransfer(from,to,amount,takeFee);
|
|
}
|
|
|
|
function setFees(address recipient) private {
|
|
_taxFee = defaultTaxFee;
|
|
_marketingFee = defaultMarketingFee;
|
|
if (recipient == uniswapV2Pair) {
|
|
_marketingFee = _marketingFee4Sellers;
|
|
}
|
|
}
|
|
|
|
function SwapAndSend(uint256 contractTokenBalance) private lockTheSwap {
|
|
|
|
address[] memory path = new address[](2);
|
|
path[0] = address(this);
|
|
path[1] = uniswapV2Router.WETH();
|
|
|
|
_approve(address(this), address(uniswapV2Router), contractTokenBalance);
|
|
|
|
|
|
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
|
|
contractTokenBalance,
|
|
0,
|
|
path,
|
|
address(this),
|
|
block.timestamp
|
|
);
|
|
|
|
uint256 contractETHBalance = address(this).balance;
|
|
if(contractETHBalance > 0) {
|
|
marketingWallet.transfer(contractETHBalance);
|
|
}
|
|
}
|
|
|
|
|
|
function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {
|
|
if(!takeFee)
|
|
removeAllFee();
|
|
|
|
if (_isExcluded[sender] && !_isExcluded[recipient]) {
|
|
_transferFromExcluded(sender, recipient, amount);
|
|
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
|
|
_transferToExcluded(sender, recipient, amount);
|
|
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
|
|
_transferStandard(sender, recipient, amount);
|
|
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
|
|
_transferBothExcluded(sender, recipient, amount);
|
|
} else {
|
|
_transferStandard(sender, recipient, amount);
|
|
}
|
|
|
|
if(!takeFee)
|
|
restoreAllFee();
|
|
}
|
|
|
|
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tMarketing) = _getValues(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_takeMarketing(tMarketing);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tMarketing) = _getValues(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_takeMarketing(tMarketing);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tMarketing) = _getValues(tAmount);
|
|
_tOwned[sender] = _tOwned[sender].sub(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_takeMarketing(tMarketing);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tMarketing) = _getValues(tAmount);
|
|
_tOwned[sender] = _tOwned[sender].sub(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_takeMarketing(tMarketing);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function setDefaultMarketingFee(uint256 marketingFee) external onlyOwner() {
|
|
defaultMarketingFee = marketingFee;
|
|
}
|
|
|
|
function setMarketingFee4Sellers(uint256 marketingFee4Sellers) external onlyOwner() {
|
|
_marketingFee4Sellers = marketingFee4Sellers;
|
|
}
|
|
|
|
function setFeesOnSellersAndBuyers(bool _enabled) public onlyOwner() {
|
|
feesOnSellersAndBuyers = _enabled;
|
|
}
|
|
|
|
function setSwapAndSendEnabled(bool _enabled) public onlyOwner() {
|
|
SwapAndSendEnabled = _enabled;
|
|
emit SwapAndSendEnabledUpdated(_enabled);
|
|
}
|
|
|
|
function setnumTokensToExchangeForMarketing(uint256 _numTokensToExchangeForMarketing) public onlyOwner() {
|
|
numTokensToExchangeForMarketing = _numTokensToExchangeForMarketing;
|
|
}
|
|
|
|
function _setMarketingWallet(address payable wallet) external onlyOwner() {
|
|
marketingWallet = wallet;
|
|
}
|
|
|
|
|
|
|
|
function _setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() {
|
|
_maxTxAmount = maxTxAmount;
|
|
}
|
|
} |
