/** *Submitted for verification at BscScan.com on 2021-04-25 */ // File: contracts/protocols/bep/BepLib.sol /** *Submitted for verification at BscScan.com on 2021-03-22 */ //SPDX-License-Identifier: Unlicensed pragma solidity >=0.6.8; interface IBEP20 { function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval( address indexed owner, address indexed spender, uint256 value ); } /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require( address(this).balance >= amount, "Address: insufficient balance" ); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{value: amount}(""); require( success, "Address: unable to send value, recipient may have reverted" ); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an BNB balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ 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" ); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ 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" ); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue( address target, bytes memory data, uint256 weiValue, string memory errorMessage ) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{value: weiValue}( data ); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; address private _previousOwner; uint256 private _lockTime; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require( newOwner != address(0), "Ownable: new owner is the zero address" ); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } function geUnlockTime() public view returns (uint256) { return _lockTime; } //Locks the contract for owner for the amount of time provided function lock(uint256 time) public virtual onlyOwner { _previousOwner = _owner; _owner = address(0); _lockTime = now + time; emit OwnershipTransferred(_owner, address(0)); } //Unlocks the contract for owner when _lockTime is exceeds function unlock() public virtual { require( _previousOwner == msg.sender, "You don't have permission to unlock" ); require(now > _lockTime, "Contract is locked until 7 days"); emit OwnershipTransferred(_owner, _previousOwner); _owner = _previousOwner; } } interface IPancakeFactory { event PairCreated( address indexed token0, address indexed token1, address pair, uint256 ); 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(uint256) external view returns (address pair); function allPairsLength() external view returns (uint256); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } interface IPancakePair { event Approval( address indexed owner, address indexed spender, uint256 value ); event Transfer(address indexed from, address indexed to, uint256 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 (uint256); function balanceOf(address owner) external view returns (uint256); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 value) external returns (bool); function transfer(address to, uint256 value) external returns (bool); function transferFrom( address from, address to, uint256 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 (uint256); function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; event Mint(address indexed sender, uint256 amount0, uint256 amount1); event Burn( address indexed sender, uint256 amount0, uint256 amount1, address indexed to ); event Swap( address indexed sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint256); 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 (uint256); function price1CumulativeLast() external view returns (uint256); function kLast() external view returns (uint256); function mint(address to) external returns (uint256 liquidity); function burn(address to) external returns (uint256 amount0, uint256 amount1); function swap( uint256 amount0Out, uint256 amount1Out, address to, bytes calldata data ) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } interface IPancakeRouter01 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint256 amountADesired, uint256 amountBDesired, uint256 amountAMin, uint256 amountBMin, address to, uint256 deadline ) external returns ( uint256 amountA, uint256 amountB, uint256 liquidity ); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); function removeLiquidity( address tokenA, address tokenB, uint256 liquidity, uint256 amountAMin, uint256 amountBMin, address to, uint256 deadline ) external returns (uint256 amountA, uint256 amountB); function removeLiquidityETH( address token, uint256 liquidity, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external returns (uint256 amountToken, uint256 amountETH); function removeLiquidityWithPermit( address tokenA, address tokenB, uint256 liquidity, uint256 amountAMin, uint256 amountBMin, address to, uint256 deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint256 amountA, uint256 amountB); function removeLiquidityETHWithPermit( address token, uint256 liquidity, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint256 amountToken, uint256 amountETH); function swapExactTokensForTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external returns (uint256[] memory amounts); function swapTokensForExactTokens( uint256 amountOut, uint256 amountInMax, address[] calldata path, address to, uint256 deadline ) external returns (uint256[] memory amounts); function swapExactETHForTokens( uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external payable returns (uint256[] memory amounts); function swapTokensForExactETH( uint256 amountOut, uint256 amountInMax, address[] calldata path, address to, uint256 deadline ) external returns (uint256[] memory amounts); function swapExactTokensForETH( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external returns (uint256[] memory amounts); 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 IPancakeRouter02 is IPancakeRouter01 { 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 DCIP is Context, IBEP20, Ownable { using SafeMath for uint256; using Address for address; mapping(address => uint256) private _reflectOwned; mapping(address => uint256) private _takeOwned; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; mapping(address => bool) private _isExcludedFromTxLimit; mapping(address => bool) private _isForeverExcludedFromReward; mapping(address => bool) private _isExcluded; address[] private _excluded; uint256 private constant MAX = ~uint256(0); uint256 private _tTotal = 1000000000 * 10**6 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; string private _name = "Decentralized Community Investment Protocol"; string private _symbol = "DCIP"; uint8 private _decimals = 9; uint256 public _taxFee = 2; uint256 private _previousTaxFee = _taxFee; uint256 public _liquidityFee = 3; uint256 private _previousLiquidityFee = _liquidityFee; IPancakeRouter02 public immutable pancakeRouter; address public immutable pancakePair; bool inSwapAndLiquify; bool public swapAndLiquifyEnabled = false; uint256 public _maxTxAmount = 1000000 * 10**6 * 10**9; uint256 public numTokensSellToAddToLiquidity = 1000000 * 10**6 * 10**9; mapping(address => uint256) private _holderToTimestamp; mapping(address => bool) private _isHolder; address public burnAddress = 0x0000000000000000000000000000000299792458; address public _marketingWalletAddress; address public _communityInvestWalletAddress; event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap); event SwapAndLiquifyEnabledUpdated(bool enabled); event SwapAndLiquify( uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity ); modifier lockTheSwap { inSwapAndLiquify = true; _; inSwapAndLiquify = false; } constructor( address payable routerAddress, address marketingWalletAddress, address communityInvestWalletAddress ) public { _reflectOwned[_msgSender()] = _rTotal; IPancakeRouter02 _pancakeRouter = IPancakeRouter02(routerAddress); // Create a pancake pair for this new token pancakePair = IPancakeFactory(_pancakeRouter.factory()).createPair( address(this), _pancakeRouter.WETH() ); // set the rest of the contract variables pancakeRouter = _pancakeRouter; _marketingWalletAddress = marketingWalletAddress; _communityInvestWalletAddress = communityInvestWalletAddress; //exclude owner and this contract from fee _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isForeverExcludedFromReward[burnAddress] = true; _isForeverExcludedFromReward[_marketingWalletAddress] = true; _isForeverExcludedFromReward[_communityInvestWalletAddress] = true; _isExcluded[burnAddress] = true; _isExcluded[_marketingWalletAddress] = true; _isExcluded[_communityInvestWalletAddress] = true; emit Transfer(address(0), _msgSender(), _tTotal); uint256 initialBurnAmount = _tTotal.mul(50).div(100); _burnTokenFromWallet(_msgSender(), initialBurnAmount); } function setNumTokensSellToAddToLiquidity(uint256 tokens) public onlyOwner { numTokensSellToAddToLiquidity = tokens; emit MinTokensBeforeSwapUpdated(tokens); } 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 (block.timestamp < _holderToTimestamp[account] + 24 hours) return _takeOwned[account]; if (_isExcluded[account]) return _takeOwned[account]; return tokenFromReflection(_reflectOwned[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 rAmount, , , , , ) = _getValues(tAmount); _reflectOwned[sender] = _reflectOwned[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"); 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(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Pancake router.'); require(!_isExcluded[account], "Account is already excluded"); require( !_isForeverExcludedFromReward[account], "Account can not be excluded" ); if (_reflectOwned[account] > 0) { _takeOwned[account] = tokenFromReflection(_reflectOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeInReward(address account) external onlyOwner() { require(_isExcluded[account], "Account is already included"); // This is a fictional boundary to prevent out of gass exceptions in the loop below. The excluded list should be tiny. require( _excluded.length < 1000, "There are too many excluded addresses" ); require( !_isForeverExcludedFromReward[account], "Account can not be included" ); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _takeOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _transferBothExcluded( address sender, address recipient, uint256 tAmount ) private { uint256 rAmount = tAmount.mul(_getRate()); uint256 rTransferAmount = rAmount; uint256 tTransferAmount = tAmount; _takeOwned[sender] = _takeOwned[sender].sub(tAmount); _reflectOwned[sender] = _reflectOwned[sender].sub(rAmount); _takeOwned[recipient] = _takeOwned[recipient].add(tTransferAmount); _reflectOwned[recipient] = _reflectOwned[recipient].add( rTransferAmount ); emit Transfer(sender, recipient, tTransferAmount); } function includeInFee(address account) public onlyOwner { _isExcludedFromFee[account] = false; } function excludeFromFee(address account) public onlyOwner { _isExcludedFromFee[account] = true; } function IncludeFromTxLimit(address account) public onlyOwner { _isExcludedFromTxLimit[account] = false; } function ExcludeFromTxLimit(address account) public onlyOwner { _isExcludedFromTxLimit[account] = true; } function setTaxFeePercent(uint256 taxFee) external onlyOwner() { _taxFee = taxFee; } function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() { _liquidityFee = liquidityFee; } function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() { _maxTxAmount = _tTotal.mul(maxTxPercent).div(10**2); } function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner { swapAndLiquifyEnabled = _enabled; emit SwapAndLiquifyEnabledUpdated(_enabled); } //to receive BNB from pancakeRouter when swapping receive() external payable {} function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns ( uint256, uint256, uint256, uint256, uint256, uint256 ) { ( uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity ) = _getTValues(tAmount); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues( tAmount, tFee, tLiquidity, _getRate() ); return ( rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity ); } function _getTValues(uint256 tAmount) private view returns ( uint256, uint256, uint256 ) { bool heldLessThan24Hours = block.timestamp < _holderToTimestamp[_msgSender()] + 24 hours; uint256 tFee = calculateTaxFee(tAmount, heldLessThan24Hours); uint256 tLiquidity = calculateLiquidityFee(tAmount); uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity); return (tTransferAmount, tFee, tLiquidity); } function _getRValues( uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 currentRate ) private pure returns ( uint256, uint256, uint256 ) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rLiquidity = tLiquidity.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity); 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) { // This is a fictional boundary to prevent out of gass exceptions in the loop below. The excluded list should be tiny. require( _excluded.length < 1000, "There are too many excluded addresses" ); uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if ( _reflectOwned[_excluded[i]] > rSupply || _takeOwned[_excluded[i]] > tSupply ) return (_rTotal, _tTotal); rSupply = rSupply.sub(_reflectOwned[_excluded[i]]); tSupply = tSupply.sub(_takeOwned[_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); _reflectOwned[address(this)] = _reflectOwned[address(this)].add( rLiquidity ); if (_isExcluded[address(this)]) _takeOwned[address(this)] = _takeOwned[address(this)].add( tLiquidity ); } function calculateTaxFee(uint256 _amount, bool _heldLessThan24Hours) private view returns (uint256) { if (_heldLessThan24Hours) { return _amount.mul(_taxFee + 1).div(10**2); } else { return _amount.mul(_taxFee).div(10**2); } } function calculateLiquidityFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_liquidityFee).div(10**2); } function calculateBurnFee(uint256 _amount, bool _heldLessThan24Hours) private pure returns (uint256) { if (_heldLessThan24Hours) { return _amount.mul(4).div(10**2); } else { return _amount.mul(2).div(10**2); } } function calculateCommunityFee(uint256 _amount, bool _heldLessThan24Hours) private pure returns (uint256) { if (_heldLessThan24Hours) { return _amount.mul(6).div(10**2); } else { return _amount.mul(2).div(10**2); } } function calculateMarketingFee(uint256 _amount) private pure returns (uint256) { return _amount.mul(1).div(10**2); } function removeAllFee() private { if (_taxFee == 0 && _liquidityFee == 0) return; _previousTaxFee = _taxFee; _previousLiquidityFee = _liquidityFee; _taxFee = 0; _liquidityFee = 0; } function restoreAllFee() private { _taxFee = _previousTaxFee; _liquidityFee = _previousLiquidityFee; } function isExcludedFromFee(address account) public view returns (bool) { return _isExcludedFromFee[account]; } function isExcludedFromTxLimit(address account) public view returns (bool) { return _isExcludedFromTxLimit[account]; } function _approve( address owner, address spender, uint256 amount ) private { require(owner != address(0), "BEP20: approve from the zero address"); require(spender != address(0), "BEP20: 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), "BEP20: transfer from the zero address"); require(to != address(0), "BEP20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); // Exclude from txlimit for private sale and presale if ( from != owner() && to != owner() && !isExcludedFromTxLimit(from) && !isExcludedFromTxLimit(to) ) require( amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount." ); // is the token balance of this contract address over the min number of // tokens that we need to initiate a swap + liquidity lock? // also, don't get caught in a circular liquidity event. // also, don't swap & liquify if sender is uniswap pair. uint256 contractTokenBalance = balanceOf(address(this)); if (contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity; if ( overMinTokenBalance && !inSwapAndLiquify && // from != pancakeRouter && swapAndLiquifyEnabled ) { contractTokenBalance = numTokensSellToAddToLiquidity; //add liquidity swapAndLiquify(contractTokenBalance); } //indicates if fee should be deducted from transfer bool takeFee = true; //if any account belongs to _isExcludedFromFee account then remove the fee if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) { takeFee = false; } if (takeFee) { bool heldLessThan24Hours = block.timestamp < _holderToTimestamp[_msgSender()] + 24 hours; uint256 toMarketingWallet = calculateMarketingFee(amount); uint256 toCommunityWallet = calculateCommunityFee( amount, heldLessThan24Hours ); uint256 toLiquidity = calculateLiquidityFee(amount); uint256 toBurn = calculateBurnFee(amount, heldLessThan24Hours); (, , uint256 rFee, , uint256 tFee, ) = _getValues(amount); uint256 feeTotal = toMarketingWallet .add(toCommunityWallet) .add(toLiquidity) .add(toBurn) .add(tFee); //transfer amount, it will take tax, burn, liquidity fee amount = amount.sub(feeTotal); _tokenTransfer(from, to, amount, false); _tokenTransfer( from, _marketingWalletAddress, toMarketingWallet, false ); _tokenTransfer( from, _communityInvestWalletAddress, toCommunityWallet, false ); _burnTokens(from, toBurn, toBurn.mul(_getRate())); _takeLiquidity(toLiquidity); _reflectFee(rFee, tFee); } else { _tokenTransfer(from, to, amount, takeFee); } if (!_isHolder[to]) { _holderToTimestamp[to] = block.timestamp; _isHolder[to] = true; } } function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap { // split the contract balance into halves uint256 half = contractTokenBalance.div(2); uint256 otherHalf = contractTokenBalance.sub(half); // capture the contract's current ETH balance. // this is so that we can capture exactly the amount of ETH that the // swap creates, and not make the liquidity event include any ETH that // has been manually sent to the contract uint256 initialBalance = address(this).balance; // swap tokens for ETH swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered // how much ETH did we just swap into? uint256 newBalance = address(this).balance.sub(initialBalance); // add liquidity to uniswap addLiquidity(otherHalf, newBalance); emit SwapAndLiquify(half, newBalance, otherHalf); } function swapTokensForEth(uint256 tokenAmount) private { // generate the uniswap pair path of token -> weth address[] memory path = new address[](2); path[0] = address(this); path[1] = pancakeRouter.WETH(); _approve(address(this), address(pancakeRouter), tokenAmount); // make the swap pancakeRouter.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, // accept any amount of ETH path, address(this), block.timestamp ); } function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { // approve token transfer to cover all possible scenarios _approve(address(this), address(pancakeRouter), tokenAmount); // add the liquidity pancakeRouter.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable owner(), block.timestamp ); } //this method is responsible for taking all fee, if takeFee is true 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 = tAmount.mul(_getRate()); uint256 rTransferAmount = rAmount; uint256 tTransferAmount = tAmount; _reflectOwned[sender] = _reflectOwned[sender].sub(rAmount); _reflectOwned[recipient] = _reflectOwned[recipient].add( rTransferAmount ); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded( address sender, address recipient, uint256 tAmount ) private { uint256 rAmount = tAmount.mul(_getRate()); uint256 rTransferAmount = rAmount; uint256 tTransferAmount = tAmount; _reflectOwned[sender] = _reflectOwned[sender].sub(rAmount); _takeOwned[recipient] = _takeOwned[recipient].add(tTransferAmount); _reflectOwned[recipient] = _reflectOwned[recipient].add( rTransferAmount ); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded( address sender, address recipient, uint256 tAmount ) private { uint256 rAmount = tAmount.mul(_getRate()); uint256 rTransferAmount = rAmount; uint256 tTransferAmount = tAmount; _takeOwned[sender] = _takeOwned[sender].sub(tAmount); _reflectOwned[sender] = _reflectOwned[sender].sub(rAmount); _reflectOwned[recipient] = _reflectOwned[recipient].add( rTransferAmount ); emit Transfer(sender, recipient, tTransferAmount); } /** * @dev this is really a "soft" burn (total supply is not reduced). RFI holders * get two benefits from burning tokens: * * 1) Tokens in the burn address increase the % of tokens held by holders not * excluded from rewards (assuming the burn address is excluded) * 2) Tokens in the burn address cannot be sold (which in turn draing the * liquidity pool) * * * In RFI holders already get % of each transaction so the value of their tokens * increases (in a way). Therefore there is really no need to do a "hard" burn * (reduce the total supply). What matters (in RFI) is to make sure that a large * amount of tokens cannot be sold = draining the liquidity pool = lowering the * value of tokens holders own. For this purpose, transfering tokens to a (vanity) * burn address is the most appropriate way to "burn". */ function _burnTokenFromWallet(address sender, uint256 _burnAmount) private { if (_burnAmount == 0) { return; } uint256 balance = balanceOf(sender); require(balance >= _burnAmount, "DCIP: burn amount exceeds balance"); uint256 reflectedAmount = _burnAmount.mul(_getRate()); // remove the amount from the sender's balance first _reflectOwned[sender] = _reflectOwned[sender].sub(reflectedAmount); if (_isExcluded[sender]) _takeOwned[sender] = _takeOwned[sender].sub(_burnAmount); _burnTokens(sender, _burnAmount, reflectedAmount); } /** * @dev "Soft" burns the specified amount of tokens by sending them * to the burn address */ function _burnTokens( address sender, uint256 tBurn, uint256 rBurn ) internal { /** * @dev Do not reduce _totalSupply and/or _reflectedSupply. (soft) burning by sending * tokens to the burn address (which should be excluded from rewards) is sufficient * in RFI */ _reflectOwned[burnAddress] = _reflectOwned[burnAddress].add(rBurn); if (_isExcluded[burnAddress]) _takeOwned[burnAddress] = _takeOwned[burnAddress].add(tBurn); /** * @dev Emit the event so that the burn address balance is updated (on bscscan) */ emit Transfer(sender, burnAddress, tBurn); } }

Decentralized Community Investment Protocol

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