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pragma solidity ^0.8.10;
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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)
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external
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returns (bool);
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function allowance(address owner, address spender)
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external
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view
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returns (uint256);
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function approve(address spender, uint256 amount) external returns (bool);
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function transferFrom(
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address sender,
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address recipient,
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uint256 amount
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) external returns (bool);
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event Transfer(address indexed from, address indexed to, uint256 value);
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event Approval(
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address indexed owner,
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address indexed spender,
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uint256 value
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);
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}
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library SafeMath {
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function add(uint256 a, uint256 b) internal pure returns (uint256) {
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uint256 c = a + b;
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require(c >= a, "SafeMath: addition overflow");
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return c;
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}
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function sub(uint256 a, uint256 b) internal pure returns (uint256) {
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return sub(a, b, "SafeMath: subtraction overflow");
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}
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function sub(
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uint256 a,
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uint256 b,
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string memory errorMessage
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) internal pure returns (uint256) {
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require(b <= a, errorMessage);
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uint256 c = a - b;
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return c;
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}
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function mul(uint256 a, uint256 b) internal pure returns (uint256) {
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if (a == 0) {
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return 0;
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}
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uint256 c = a * b;
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require(c / a == b, "SafeMath: multiplication overflow");
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return c;
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}
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function div(uint256 a, uint256 b) internal pure returns (uint256) {
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return div(a, b, "SafeMath: division by zero");
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}
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function div(
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uint256 a,
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uint256 b,
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string memory errorMessage
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) internal pure returns (uint256) {
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require(b > 0, errorMessage);
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uint256 c = a / b;
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return c;
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}
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function mod(uint256 a, uint256 b) internal pure returns (uint256) {
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return mod(a, b, "SafeMath: modulo by zero");
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}
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function mod(
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uint256 a,
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uint256 b,
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string memory errorMessage
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) internal pure returns (uint256) {
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require(b != 0, errorMessage);
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return a % b;
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}
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}
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abstract contract Context {
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function _msgSender() internal view virtual returns (address payable) {
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return payable(msg.sender);
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}
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function _msgData() internal view virtual returns (bytes memory) {
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this;
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return msg.data;
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}
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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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bytes32 codehash;
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bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
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assembly {
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codehash := extcodehash(account)
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}
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return (codehash != accountHash && codehash != 0x0);
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}
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function sendValue(address payable recipient, uint256 amount) internal {
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require(
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address(this).balance >= amount,
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"Address: insufficient balance"
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);
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(bool success, ) = recipient.call{value: amount}("");
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require(
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success,
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"Address: unable to send value, recipient may have reverted"
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);
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}
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function functionCall(address target, bytes memory data)
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internal
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returns (bytes memory)
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{
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return functionCall(target, data, "Address: low-level call failed");
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}
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function functionCall(
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address target,
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bytes memory data,
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string memory errorMessage
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) internal returns (bytes memory) {
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return _functionCallWithValue(target, data, 0, errorMessage);
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}
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function functionCallWithValue(
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address target,
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bytes memory data,
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uint256 value
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) internal returns (bytes memory) {
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return
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functionCallWithValue(
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target,
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data,
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value,
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"Address: low-level call with value failed"
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);
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}
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function functionCallWithValue(
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address target,
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bytes memory data,
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uint256 value,
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string memory errorMessage
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) internal returns (bytes memory) {
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require(
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address(this).balance >= value,
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"Address: insufficient balance for call"
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);
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return _functionCallWithValue(target, data, value, errorMessage);
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}
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function _functionCallWithValue(
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address target,
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bytes memory data,
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uint256 weiValue,
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string memory errorMessage
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) private returns (bytes memory) {
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require(isContract(target), "Address: call to non-contract");
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(bool success, bytes memory returndata) = target.call{value: weiValue}(
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data
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);
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if (success) {
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return returndata;
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} else {
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if (returndata.length > 0) {
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assembly {
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let returndata_size := mload(returndata)
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revert(add(32, returndata), returndata_size)
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}
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} else {
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revert(errorMessage);
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}
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}
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}
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}
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contract Ownable is Context {
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address private _owner;
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address private _previousOwner;
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event OwnershipTransferred(
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address indexed previousOwner,
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address indexed newOwner
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);
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constructor() {
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address msgSender = _msgSender();
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_owner = msgSender;
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emit OwnershipTransferred(address(0), msgSender);
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}
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function owner() public view returns (address) {
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return _owner;
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}
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modifier onlyOwner() {
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require(_owner == _msgSender(), "Ownable: caller is not the owner");
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_;
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}
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function renounceOwnership() public virtual onlyOwner {
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emit OwnershipTransferred(_owner, address(0));
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_owner = address(0);
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}
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function transferOwnership(address newOwner) public virtual onlyOwner {
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require(
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newOwner != address(0),
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"Ownable: new owner is the zero address"
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);
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emit OwnershipTransferred(_owner, newOwner);
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_owner = newOwner;
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}
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}
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interface IUniswapV2Factory {
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event PairCreated(
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address indexed token0,
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address indexed token1,
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address pair,
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uint256
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);
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function feeTo() external view returns (address);
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function feeToSetter() external view returns (address);
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function getPair(address tokenA, address tokenB)
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external
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view
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returns (address pair);
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function allPairs(uint256) external view returns (address pair);
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function allPairsLength() external view returns (uint256);
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function createPair(address tokenA, address tokenB)
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external
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returns (address pair);
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function setFeeTo(address) external;
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function setFeeToSetter(address) external;
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}
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interface IUniswapV2Pair {
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event Approval(
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address indexed owner,
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address indexed spender,
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uint256 value
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);
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event Transfer(address indexed from, address indexed to, uint256 value);
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function name() external pure returns (string memory);
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function symbol() external pure returns (string memory);
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function decimals() external pure returns (uint8);
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function totalSupply() external view returns (uint256);
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function balanceOf(address owner) external view returns (uint256);
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function allowance(address owner, address spender)
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external
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view
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returns (uint256);
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function approve(address spender, uint256 value) external returns (bool);
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function transfer(address to, uint256 value) external returns (bool);
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function transferFrom(
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address from,
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address to,
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uint256 value
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) external returns (bool);
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function DOMAIN_SEPARATOR() external view returns (bytes32);
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function PERMIT_TYPEHASH() external pure returns (bytes32);
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function nonces(address owner) external view returns (uint256);
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function permit(
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address owner,
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address spender,
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uint256 value,
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uint256 deadline,
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uint8 v,
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bytes32 r,
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bytes32 s
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) external;
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event Mint(address indexed sender, uint256 amount0, uint256 amount1);
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event Burn(
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address indexed sender,
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uint256 amount0,
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uint256 amount1,
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address indexed to
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);
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event Swap(
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address indexed sender,
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uint256 amount0In,
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uint256 amount1In,
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uint256 amount0Out,
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uint256 amount1Out,
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address indexed to
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);
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event Sync(uint112 reserve0, uint112 reserve1);
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function MINIMUM_LIQUIDITY() external pure returns (uint256);
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function factory() external view returns (address);
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function token0() external view returns (address);
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function token1() external view returns (address);
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function getReserves()
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external
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view
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returns (
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uint112 reserve0,
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uint112 reserve1,
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uint32 blockTimestampLast
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);
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function price0CumulativeLast() external view returns (uint256);
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function price1CumulativeLast() external view returns (uint256);
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function kLast() external view returns (uint256);
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function mint(address to) external returns (uint256 liquidity);
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function burn(address to)
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external
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returns (uint256 amount0, uint256 amount1);
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function swap(
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uint256 amount0Out,
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uint256 amount1Out,
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address to,
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bytes calldata data
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) external;
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function skim(address to) external;
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function sync() external;
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function initialize(address, address) external;
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}
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interface IUniswapV2Router01 {
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function factory() external pure returns (address);
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function WETH() external pure returns (address);
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function addLiquidity(
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address tokenA,
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address tokenB,
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uint256 amountADesired,
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uint256 amountBDesired,
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uint256 amountAMin,
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uint256 amountBMin,
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address to,
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uint256 deadline
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)
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external
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returns (
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uint256 amountA,
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uint256 amountB,
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uint256 liquidity
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);
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function addLiquidityETH(
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address token,
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uint256 amountTokenDesired,
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uint256 amountTokenMin,
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uint256 amountETHMin,
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address to,
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uint256 deadline
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)
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external
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payable
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returns (
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uint256 amountToken,
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uint256 amountETH,
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uint256 liquidity
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);
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function removeLiquidity(
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address tokenA,
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address tokenB,
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uint256 liquidity,
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uint256 amountAMin,
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uint256 amountBMin,
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address to,
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uint256 deadline
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) external returns (uint256 amountA, uint256 amountB);
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function removeLiquidityETH(
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address token,
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uint256 liquidity,
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uint256 amountTokenMin,
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uint256 amountETHMin,
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address to,
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uint256 deadline
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) external returns (uint256 amountToken, uint256 amountETH);
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function removeLiquidityWithPermit(
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address tokenA,
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address tokenB,
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uint256 liquidity,
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uint256 amountAMin,
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uint256 amountBMin,
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address to,
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uint256 deadline,
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|
bool approveMax,
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uint8 v,
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bytes32 r,
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bytes32 s
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|
) external returns (uint256 amountA, uint256 amountB);
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function removeLiquidityETHWithPermit(
|
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address token,
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uint256 liquidity,
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uint256 amountTokenMin,
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uint256 amountETHMin,
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address to,
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uint256 deadline,
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|
bool approveMax,
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uint8 v,
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bytes32 r,
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bytes32 s
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|
) external returns (uint256 amountToken, uint256 amountETH);
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|
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function swapExactTokensForTokens(
|
|
uint256 amountIn,
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uint256 amountOutMin,
|
|
address[] calldata path,
|
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address to,
|
|
uint256 deadline
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|
) external returns (uint256[] memory amounts);
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|
|
function swapTokensForExactTokens(
|
|
uint256 amountOut,
|
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uint256 amountInMax,
|
|
address[] calldata path,
|
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address to,
|
|
uint256 deadline
|
|
) external returns (uint256[] memory amounts);
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|
|
|
function swapExactETHForTokens(
|
|
uint256 amountOutMin,
|
|
address[] calldata path,
|
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address to,
|
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uint256 deadline
|
|
) external payable returns (uint256[] memory amounts);
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|
|
function swapTokensForExactETH(
|
|
uint256 amountOut,
|
|
uint256 amountInMax,
|
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address[] calldata path,
|
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address to,
|
|
uint256 deadline
|
|
) external returns (uint256[] memory amounts);
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|
|
function swapExactTokensForETH(
|
|
uint256 amountIn,
|
|
uint256 amountOutMin,
|
|
address[] calldata path,
|
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address to,
|
|
uint256 deadline
|
|
) external returns (uint256[] memory amounts);
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|
|
|
function swapETHForExactTokens(
|
|
uint256 amountOut,
|
|
address[] calldata path,
|
|
address to,
|
|
uint256 deadline
|
|
) external payable returns (uint256[] memory amounts);
|
|
|
|
function quote(
|
|
uint256 amountA,
|
|
uint256 reserveA,
|
|
uint256 reserveB
|
|
) external pure returns (uint256 amountB);
|
|
|
|
function getAmountOut(
|
|
uint256 amountIn,
|
|
uint256 reserveIn,
|
|
uint256 reserveOut
|
|
) external pure returns (uint256 amountOut);
|
|
|
|
function getAmountIn(
|
|
uint256 amountOut,
|
|
uint256 reserveIn,
|
|
uint256 reserveOut
|
|
) external pure returns (uint256 amountIn);
|
|
|
|
function getAmountsOut(uint256 amountIn, address[] calldata path)
|
|
external
|
|
view
|
|
returns (uint256[] memory amounts);
|
|
|
|
function getAmountsIn(uint256 amountOut, address[] calldata path)
|
|
external
|
|
view
|
|
returns (uint256[] memory amounts);
|
|
}
|
|
|
|
interface IUniswapV2Router02 is IUniswapV2Router01 {
|
|
function removeLiquidityETHSupportingFeeOnTransferTokens(
|
|
address token,
|
|
uint256 liquidity,
|
|
uint256 amountTokenMin,
|
|
uint256 amountETHMin,
|
|
address to,
|
|
uint256 deadline
|
|
) external returns (uint256 amountETH);
|
|
|
|
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
|
|
address token,
|
|
uint256 liquidity,
|
|
uint256 amountTokenMin,
|
|
uint256 amountETHMin,
|
|
address to,
|
|
uint256 deadline,
|
|
bool approveMax,
|
|
uint8 v,
|
|
bytes32 r,
|
|
bytes32 s
|
|
) external returns (uint256 amountETH);
|
|
|
|
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
|
|
uint256 amountIn,
|
|
uint256 amountOutMin,
|
|
address[] calldata path,
|
|
address to,
|
|
uint256 deadline
|
|
) external;
|
|
|
|
function swapExactETHForTokensSupportingFeeOnTransferTokens(
|
|
uint256 amountOutMin,
|
|
address[] calldata path,
|
|
address to,
|
|
uint256 deadline
|
|
) external payable;
|
|
|
|
function swapExactTokensForETHSupportingFeeOnTransferTokens(
|
|
uint256 amountIn,
|
|
uint256 amountOutMin,
|
|
address[] calldata path,
|
|
address to,
|
|
uint256 deadline
|
|
) external;
|
|
}
|
|
|
|
contract FlavaLab is Context, IERC20, Ownable {
|
|
using SafeMath for uint256;
|
|
using Address for address;
|
|
|
|
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;
|
|
address[] private _excluded;
|
|
|
|
mapping(address => bool) private _isExcludedFromLimit;
|
|
|
|
uint256 private constant MAX = ~uint256(0);
|
|
uint256 private _tTotal = 1000000000 * 10**9;
|
|
uint256 private _rTotal = (MAX - (MAX % _tTotal));
|
|
uint256 private _tFeeTotal;
|
|
|
|
address payable public _marketingAddress = payable(address(0x4f87BF987bf1354DdCE2F09F86d779854726256b));
|
|
|
|
string private _name = "FlavaLab";
|
|
string private _symbol = "FLBS";
|
|
uint8 private _decimals = 9;
|
|
|
|
struct BuyFee {
|
|
uint8 reflection;
|
|
uint8 liquidity;
|
|
uint8 marketing;
|
|
}
|
|
|
|
struct SellFee {
|
|
uint8 reflection;
|
|
uint8 liquidity;
|
|
uint8 marketing;
|
|
}
|
|
|
|
BuyFee public buyFee;
|
|
SellFee public sellFee;
|
|
|
|
uint8 private _reflectionFee;
|
|
uint8 private _liquidityFee;
|
|
uint8 private _marketingFee;
|
|
|
|
IUniswapV2Router02 public immutable uniswapV2Router;
|
|
address public immutable uniswapV2Pair;
|
|
|
|
bool inSwapAndLiquify;
|
|
bool public swapAndLiquifyEnabled = true;
|
|
|
|
uint256 public _maxTxAmount = _tTotal.div(1000).mul(100);
|
|
uint256 private numTokensSellToAddToLiquidity = _tTotal.div(1000).mul(3);
|
|
uint256 public _maxWalletSize = _tTotal.div(1000).mul(100);
|
|
|
|
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
|
|
event SwapAndLiquifyEnabledUpdated(bool enabled);
|
|
event SwapAndLiquify(
|
|
uint256 tokensSwapped,
|
|
uint256 ethReceived,
|
|
uint256 tokensIntoLiqudity
|
|
);
|
|
|
|
modifier lockTheSwap() {
|
|
inSwapAndLiquify = true;
|
|
_;
|
|
inSwapAndLiquify = false;
|
|
}
|
|
|
|
uint256 public deadBlocks = 0;
|
|
uint256 public launchedAt = 0;
|
|
bool tradingOpen = false;
|
|
|
|
mapping (address => uint256) public _lastTrade;
|
|
|
|
constructor() {
|
|
_rOwned[_msgSender()] = _rTotal;
|
|
|
|
buyFee.reflection = 0;
|
|
buyFee.liquidity = 0;
|
|
buyFee.marketing = 1;
|
|
|
|
sellFee.reflection = 0;
|
|
sellFee.liquidity = 0;
|
|
sellFee.marketing = 2;
|
|
|
|
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02( 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D );
|
|
|
|
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
|
|
|
|
|
|
uniswapV2Router = _uniswapV2Router;
|
|
|
|
|
|
_isExcludedFromFee[owner()] = true;
|
|
_isExcludedFromFee[address(this)] = true;
|
|
_isExcludedFromFee[_marketingAddress] = true;
|
|
|
|
_isExcludedFromLimit[_marketingAddress] = true;
|
|
_isExcludedFromLimit[owner()] = true;
|
|
_isExcludedFromLimit[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 deliver(uint256 tAmount) public {
|
|
address sender = _msgSender();
|
|
require(
|
|
!_isExcluded[sender],
|
|
"Excluded addresses cannot call this function"
|
|
);
|
|
|
|
(
|
|
,
|
|
uint256 tFee,
|
|
uint256 tLiquidity,
|
|
uint256 tWallet
|
|
) = _getTValues(tAmount);
|
|
(uint256 rAmount, , ) = _getRValues(
|
|
tAmount,
|
|
tFee,
|
|
tLiquidity,
|
|
tWallet,
|
|
_getRate()
|
|
);
|
|
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_rTotal = _rTotal.sub(rAmount);
|
|
_tFeeTotal = _tFeeTotal.add(tAmount);
|
|
}
|
|
|
|
function reflectionFromToken(uint256 tAmount, bool deductTransferFee)
|
|
public
|
|
view
|
|
returns (uint256)
|
|
{
|
|
require(tAmount <= _tTotal, "Amount must be less than supply");
|
|
|
|
(
|
|
,
|
|
uint256 tFee,
|
|
uint256 tLiquidity,
|
|
uint256 tWallet
|
|
) = _getTValues(tAmount);
|
|
(uint256 rAmount, uint256 rTransferAmount, ) = _getRValues(
|
|
tAmount,
|
|
tFee,
|
|
tLiquidity,
|
|
tWallet,
|
|
_getRate()
|
|
);
|
|
|
|
if (!deductTransferFee) {
|
|
return rAmount;
|
|
} else {
|
|
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 updateMarketingWallet(address payable newAddress) external onlyOwner {
|
|
_marketingAddress = newAddress;
|
|
}
|
|
|
|
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 not 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 excludeFromLimit(address account) public onlyOwner {
|
|
_isExcludedFromLimit[account] = true;
|
|
}
|
|
|
|
function includeInLimit(address account) public onlyOwner {
|
|
_isExcludedFromLimit[account] = false;
|
|
}
|
|
|
|
function setSellFee(
|
|
uint8 reflection,
|
|
uint8 liquidity,
|
|
uint8 marketing
|
|
) external onlyOwner {
|
|
sellFee.reflection = reflection;
|
|
sellFee.marketing = marketing;
|
|
sellFee.liquidity = liquidity;
|
|
}
|
|
|
|
function setBuyFee(
|
|
uint8 reflection,
|
|
uint8 liquidity,
|
|
uint8 marketing
|
|
) external onlyOwner {
|
|
buyFee.reflection = reflection;
|
|
buyFee.marketing = marketing;
|
|
buyFee.liquidity = liquidity;
|
|
}
|
|
|
|
function setBothFees(
|
|
uint8 buy_reflection,
|
|
uint8 buy_liquidity,
|
|
uint8 buy_marketing,
|
|
uint8 sell_reflection,
|
|
uint8 sell_liquidity,
|
|
uint8 sell_marketing
|
|
|
|
) external onlyOwner {
|
|
buyFee.reflection = buy_reflection;
|
|
buyFee.marketing = buy_marketing;
|
|
buyFee.liquidity = buy_liquidity;
|
|
|
|
sellFee.reflection = sell_reflection;
|
|
sellFee.marketing = sell_marketing;
|
|
sellFee.liquidity = sell_liquidity;
|
|
}
|
|
|
|
function setNumTokensSellToAddToLiquidity(uint256 numTokens) external onlyOwner {
|
|
numTokensSellToAddToLiquidity = numTokens;
|
|
}
|
|
|
|
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner {
|
|
_maxTxAmount = _tTotal.mul(maxTxPercent).div(10**3);
|
|
}
|
|
|
|
function _setMaxWalletSizePercent(uint256 maxWalletSize)
|
|
external
|
|
onlyOwner
|
|
{
|
|
_maxWalletSize = _tTotal.mul(maxWalletSize).div(10**3);
|
|
}
|
|
|
|
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
|
|
swapAndLiquifyEnabled = _enabled;
|
|
emit SwapAndLiquifyEnabledUpdated(_enabled);
|
|
}
|
|
|
|
|
|
receive() external payable {}
|
|
|
|
function _reflectFee(uint256 rFee, uint256 tFee) private {
|
|
_rTotal = _rTotal.sub(rFee);
|
|
_tFeeTotal = _tFeeTotal.add(tFee);
|
|
}
|
|
|
|
function _getTValues(uint256 tAmount)
|
|
private
|
|
view
|
|
returns (
|
|
uint256,
|
|
uint256,
|
|
uint256,
|
|
uint256
|
|
)
|
|
{
|
|
uint256 tFee = calculateReflectionFee(tAmount);
|
|
uint256 tLiquidity = calculateLiquidityFee(tAmount);
|
|
uint256 tWallet = calculateMarketingFee(tAmount);
|
|
uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity);
|
|
tTransferAmount = tTransferAmount.sub(tWallet);
|
|
|
|
return (tTransferAmount, tFee, tLiquidity, tWallet);
|
|
}
|
|
|
|
function _getRValues(
|
|
uint256 tAmount,
|
|
uint256 tFee,
|
|
uint256 tLiquidity,
|
|
uint256 tWallet,
|
|
uint256 currentRate
|
|
)
|
|
private
|
|
pure
|
|
returns (
|
|
uint256,
|
|
uint256,
|
|
uint256
|
|
)
|
|
{
|
|
uint256 rAmount = tAmount.mul(currentRate);
|
|
uint256 rFee = tFee.mul(currentRate);
|
|
uint256 rLiquidity = tLiquidity.mul(currentRate);
|
|
uint256 rWallet = tWallet.mul(currentRate);
|
|
uint256 rTransferAmount = rAmount
|
|
.sub(rFee)
|
|
.sub(rLiquidity)
|
|
.sub(rWallet);
|
|
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 _takeLiquidity(uint256 tLiquidity) private {
|
|
uint256 currentRate = _getRate();
|
|
uint256 rLiquidity = tLiquidity.mul(currentRate);
|
|
_rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity);
|
|
if (_isExcluded[address(this)])
|
|
_tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity);
|
|
}
|
|
|
|
function _takeWalletFee(uint256 tWallet) private {
|
|
uint256 currentRate = _getRate();
|
|
uint256 rWallet = tWallet.mul(currentRate);
|
|
_rOwned[address(this)] = _rOwned[address(this)].add(rWallet);
|
|
if (_isExcluded[address(this)])
|
|
_tOwned[address(this)] = _tOwned[address(this)].add(tWallet);
|
|
}
|
|
|
|
function calculateReflectionFee(uint256 _amount) private view returns (uint256) {
|
|
return _amount.mul(_reflectionFee).div(10**2);
|
|
}
|
|
|
|
function calculateLiquidityFee(uint256 _amount)
|
|
private
|
|
view
|
|
returns (uint256)
|
|
{
|
|
return _amount.mul(_liquidityFee).div(10**2);
|
|
}
|
|
|
|
function calculateMarketingFee(uint256 _amount)
|
|
private
|
|
view
|
|
returns (uint256)
|
|
{
|
|
return _amount.mul(_marketingFee).div(10**2);
|
|
}
|
|
|
|
|
|
function removeAllFee() private {
|
|
_reflectionFee = 0;
|
|
_liquidityFee = 0;
|
|
_marketingFee = 0;
|
|
|
|
}
|
|
|
|
function setBuy() private {
|
|
_reflectionFee = buyFee.reflection;
|
|
_liquidityFee = buyFee.liquidity;
|
|
_marketingFee = buyFee.marketing;
|
|
|
|
}
|
|
|
|
function setSell() private {
|
|
_reflectionFee = sellFee.reflection;
|
|
_liquidityFee = sellFee.liquidity;
|
|
_marketingFee = sellFee.marketing;
|
|
|
|
}
|
|
|
|
function isExcludedFromFee(address account) public view returns (bool) {
|
|
return _isExcludedFromFee[account];
|
|
}
|
|
|
|
function isExcludedFromLimit(address account) public view returns (bool) {
|
|
return _isExcludedFromLimit[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");
|
|
|
|
if ( from != owner() && to != owner() ) require(tradingOpen, "Trading not yet enabled.");
|
|
|
|
|
|
|
|
|
|
|
|
uint256 contractTokenBalance = balanceOf(address(this));
|
|
|
|
if (contractTokenBalance >= _maxTxAmount) {
|
|
contractTokenBalance = _maxTxAmount;
|
|
}
|
|
|
|
bool overMinTokenBalance = contractTokenBalance >=
|
|
numTokensSellToAddToLiquidity;
|
|
if (
|
|
overMinTokenBalance &&
|
|
!inSwapAndLiquify &&
|
|
from != uniswapV2Pair &&
|
|
swapAndLiquifyEnabled
|
|
) {
|
|
contractTokenBalance = numTokensSellToAddToLiquidity;
|
|
|
|
swapAndLiquify(contractTokenBalance);
|
|
}
|
|
|
|
|
|
bool takeFee = true;
|
|
|
|
|
|
if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) {
|
|
takeFee = false;
|
|
}
|
|
if (takeFee) {
|
|
if (!_isExcludedFromLimit[from] && !_isExcludedFromLimit[to]) {
|
|
require(
|
|
amount <= _maxTxAmount,
|
|
"Transfer amount exceeds the maxTxAmount."
|
|
);
|
|
if (to != uniswapV2Pair) {
|
|
require(
|
|
amount + balanceOf(to) <= _maxWalletSize,
|
|
"Recipient exceeds max wallet size."
|
|
);
|
|
}
|
|
|
|
|
|
}
|
|
}
|
|
|
|
|
|
_tokenTransfer(from, to, amount, takeFee);
|
|
}
|
|
|
|
function swapAndLiquify(uint256 tokens) private lockTheSwap {
|
|
|
|
uint256 denominator = (buyFee.liquidity + sellFee.liquidity + buyFee.marketing + sellFee.marketing) * 2;
|
|
uint256 tokensToAddLiquidityWith = (tokens * (buyFee.liquidity + sellFee.liquidity)) / denominator;
|
|
uint256 toSwap = tokens - tokensToAddLiquidityWith;
|
|
|
|
uint256 initialBalance = address(this).balance;
|
|
|
|
swapTokensForEth(toSwap);
|
|
|
|
uint256 deltaBalance = address(this).balance - initialBalance;
|
|
uint256 unitBalance = deltaBalance / (denominator - (buyFee.liquidity + sellFee.liquidity));
|
|
uint256 ethToAddLiquidityWith = unitBalance * (buyFee.liquidity + sellFee.liquidity);
|
|
|
|
if (ethToAddLiquidityWith > 0) {
|
|
|
|
addLiquidity(tokensToAddLiquidityWith, ethToAddLiquidityWith);
|
|
}
|
|
|
|
|
|
uint256 marketingAmt = unitBalance * 2 * (buyFee.marketing + sellFee.marketing);
|
|
|
|
|
|
if (marketingAmt > 0) {
|
|
payable(_marketingAddress).transfer(marketingAmt);
|
|
}
|
|
|
|
|
|
}
|
|
|
|
function swapTokensForEth(uint256 tokenAmount) private {
|
|
|
|
address[] memory path = new address[](2);
|
|
path[0] = address(this);
|
|
path[1] = uniswapV2Router.WETH();
|
|
|
|
_approve(address(this), address(uniswapV2Router), tokenAmount);
|
|
|
|
|
|
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
|
|
tokenAmount,
|
|
0, // accept any amount of ETH
|
|
path,
|
|
address(this),
|
|
block.timestamp
|
|
);
|
|
}
|
|
|
|
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
|
|
|
|
_approve(address(this), address(uniswapV2Router), tokenAmount);
|
|
|
|
|
|
uniswapV2Router.addLiquidityETH{value: ethAmount}(
|
|
address(this),
|
|
tokenAmount,
|
|
0,
|
|
0,
|
|
address(this),
|
|
block.timestamp
|
|
);
|
|
}
|
|
|
|
|
|
function _tokenTransfer(
|
|
address sender,
|
|
address recipient,
|
|
uint256 amount,
|
|
bool takeFee
|
|
) private {
|
|
if (takeFee) {
|
|
removeAllFee();
|
|
if (sender == uniswapV2Pair) {
|
|
setBuy();
|
|
}
|
|
if (recipient == uniswapV2Pair) {
|
|
setSell();
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
removeAllFee();
|
|
}
|
|
|
|
function _transferStandard(
|
|
address sender,
|
|
address recipient,
|
|
uint256 tAmount
|
|
) private {
|
|
(
|
|
uint256 tTransferAmount,
|
|
uint256 tFee,
|
|
uint256 tLiquidity,
|
|
uint256 tWallet
|
|
) = _getTValues(tAmount);
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(
|
|
tAmount,
|
|
tFee,
|
|
tLiquidity,
|
|
tWallet,
|
|
_getRate()
|
|
);
|
|
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_takeLiquidity(tLiquidity);
|
|
_takeWalletFee(tWallet);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
|
|
function _transferToExcluded(
|
|
address sender,
|
|
address recipient,
|
|
uint256 tAmount
|
|
) private {
|
|
(
|
|
uint256 tTransferAmount,
|
|
uint256 tFee,
|
|
uint256 tLiquidity,
|
|
uint256 tWallet
|
|
) = _getTValues(tAmount);
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(
|
|
tAmount,
|
|
tFee,
|
|
tLiquidity,
|
|
tWallet,
|
|
_getRate()
|
|
);
|
|
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_takeLiquidity(tLiquidity);
|
|
_takeWalletFee(tWallet);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function _transferFromExcluded(
|
|
address sender,
|
|
address recipient,
|
|
uint256 tAmount
|
|
) private {
|
|
(
|
|
uint256 tTransferAmount,
|
|
uint256 tFee,
|
|
uint256 tLiquidity,
|
|
uint256 tWallet
|
|
) = _getTValues(tAmount);
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(
|
|
tAmount,
|
|
tFee,
|
|
tLiquidity,
|
|
tWallet,
|
|
_getRate()
|
|
);
|
|
|
|
_tOwned[sender] = _tOwned[sender].sub(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_takeLiquidity(tLiquidity);
|
|
_takeWalletFee(tWallet);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function _transferBothExcluded(
|
|
address sender,
|
|
address recipient,
|
|
uint256 tAmount
|
|
) private {
|
|
(
|
|
uint256 tTransferAmount,
|
|
uint256 tFee,
|
|
uint256 tLiquidity,
|
|
uint256 tWallet
|
|
) = _getTValues(tAmount);
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(
|
|
tAmount,
|
|
tFee,
|
|
tLiquidity,
|
|
tWallet,
|
|
_getRate()
|
|
);
|
|
|
|
_tOwned[sender] = _tOwned[sender].sub(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_takeLiquidity(tLiquidity);
|
|
_takeWalletFee(tWallet);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function openTrading(bool _status,uint256 _deadBlocks) external onlyOwner() {
|
|
tradingOpen = _status;
|
|
excludeFromReward(address(this));
|
|
excludeFromReward(uniswapV2Pair);
|
|
if(tradingOpen && launchedAt == 0){
|
|
launchedAt = block.number;
|
|
deadBlocks = _deadBlocks;
|
|
}
|
|
}
|
|
} |