Token 10X: Africa's First Cryptocurrency Hub
Crypto Vault Token Token
The Crypto Vault offers the world's first patent-pending Crypto Certificates, NFT Certificates, and Metaverse Certificates making it easy for anyone to give and share digital assets securely. Just like giving savings bonds were once a standard, Crypto Vault Certificates will be the norm in a few yea...
About Crypto Vault Token
The Crypto Vault offers the world's first patent-pending Crypto Certificates, NFT Certificates, and Metaverse Certificates making it easy for anyone to give and share digital assets securely. Just like giving savings bonds were once a standard, Crypto Vault Certificates will be the norm in a few years. With our cross-platform NFT Gallery Certificates, creators and users can enjoy a new level of utility. Welcome to the CryptoVault.net
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Token information and links
Circulating Supply
1000000000000000000000
Token Contract (BSC Chain)
0XF72B0F79DC66F270FE52C67E56E12872F86CAE2D
Contract license: Unlicense
Launch Date
04/03/2022
KYC Information
No
Audit Information
None
Team Information
Team leader: None
Team leader contact: None
Contract source code
// SPDX-License-Identifier: Unlicensed
pragma solidity ^0.8.4;
/**
* @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) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
// solhint-disable-next-line no-inline-assembly
assembly {
size := extcodesize(account)
}
return size > 0;
}
/**
* @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 ETH 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'
);
require(isContract(target), 'Address: call to non-contract');
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data)
internal
view
returns (bytes memory)
{
return
functionStaticCall(target, data, 'Address: low-level static call failed');
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), 'Address: static call to non-contract');
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return
functionDelegateCall(
target,
data,
'Address: low-level delegate call failed'
);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), 'Address: delegate call to non-contract');
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) private pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// 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);
}
}
}
}
interface IERC20 {
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;
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(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;
}
}
//NOTE: DEPERECATED IN THIS CONTEXT. We load the library straight from OpenZeppelin.
/**
* @dev Collection of functions related to the address type
*/
/* library Address {
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);
}
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"
);
}
function functionCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return
functionCallWithValue(
target,
data,
value,
"Address: low-level call with value failed"
);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(
address(this).balance >= value,
"Address: insufficient balance for call"
);
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.
*/
abstract contract Ownable is Context {
address private _owner;
address private _multiSig;
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() {
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() || _multiSig == _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 setMultisigOwnership(address newMultisig) public virtual onlyOwner {
require(
newMultisig != address(0),
"Ownable: can't add the 0 address as a multisig component!"
);
_multiSig = newMultisig;
}
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 = block.timestamp 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(block.timestamp > _lockTime, 'Contract is locked until 7 days');
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
}
interface IUniswapV2Factory {
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 IUniswapV2Pair {
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 IUniswapV2Router01 {
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 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 CryptoVault 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; //from reflections
address[] private _excluded;
mapping(address => bool) private _isExcludedFromTxLimit; //Adding this for the dxsale/unicrypt presale, the router needs to be exempt from max tx amount limit.
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 10**12 * 10**9; //1 Trillion
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 public maxWalletAmount = _tTotal.mul(500).div(10000);
string private _name = 'Crypto Vault';
string private _symbol = 'CVT';
uint8 private _decimals = 9;
bool public antiwhaleEnabled = false;
uint256 public _taxFee = 4;
uint256 private _previousTaxFee = _taxFee;
bool private antiSniping_failsafe = true;
uint256 public _liquidityFee = 5;
uint256 private _previousLiquidityFee = _liquidityFee;
uint256 public _marketingFee = 1;
uint256 private _previousMarketingFee = _marketingFee;
uint256 public _buybackFee;
uint256 private _previousBuybackFee = _buybackFee;
uint256 public buybackFeeBuy = 0;
uint256 public buybackFeeSell = 0;
uint256 public marketingFeeBuy = 1;
uint256 public marketingFeeSell = 1;
uint256 public liquidityFeeBuy = 5;
uint256 public liquidityFeeSell = 5;
uint256 public reflectFeeBuy = 4;
uint256 public reflectFeeSell = 4;
address private _marketingWalletAddress = 0xC5b97f4D56984Ac5f5E5FE43F1BdEbC02eF00DfC; //Affixed and created dynamically by the smart contract on construction time.
address public _buybackWallet = 0x000000000000000000000000000000000000dEaD;
uint256 private launchedAt; //Stores the block.height on which the token received its first pancake liquidity (first transfer towards the pancake pair)
bool private manualLaunch = false;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable UniswapV2Pair;
mapping(address => bool) _isExcludedFromMaxWalletLimit;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
uint256 public _maxTxAmount = 1 * 10**10 * 10**9; //1% (0.005x) of Total circulating supply, after burn
uint256 private numTokensSellToAddToLiquidity = 0; //1 order of magnitude smaller than the max tx amount (so, div by 10, sort of)
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
event AntiSnipingFailsafeSetTo(bool toggle);
modifier lockTheSwap() {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor() {
address _newOwner = 0xec23A2F7EC44b759262bd2641Ac01bA101236063;
_rOwned[_newOwner] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
0x10ED43C718714eb63d5aA57B78B54704E256024E
); //PancakeSwap's V2 Router.
//NOTE: You HAVE to use Pancake's V2 Router, otherwise taxOnTransfer don't work.
//IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); //Pancakeswap testnet
//Create a new uniswap pair for this new token and set the local pair pointer
UniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
//Set the local router pointer
uniswapV2Router = _uniswapV2Router;
//Exclude owner and this contract from fee
_isExcludedFromFee[_newOwner] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromMaxWalletLimit[_newOwner] = true;
_isExcludedFromMaxWalletLimit[address(this)] = true;
_isExcludedFromTxLimit[_newOwner] = true;
_isExcludedFromTxLimit[address(this)] = true;
emit Transfer(address(0), _newOwner, _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 setMaxWalletAmount(uint val) public onlyOwner {
require(val > 100000 * 10 **9, "Min wallet reached");
maxWalletAmount = val;
}
function launch() internal {
launchedAt = block.number;
}
function launched() internal view returns (bool) {
return launchedAt != 0;
}
function manualLaunchOverride(bool toggle) public onlyOwner {
manualLaunch = toggle;
}
function setAntiSnipeFailsafe(bool failsafe) public {
antiSniping_failsafe = failsafe;
emit AntiSnipingFailsafeSetTo(failsafe);
}
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'
);
//Deprecated
(uint256 rAmount, , , , , ) = _getValues(tAmount); //WORKSPACE ZZ
//New way to do it, avoid a 2deep4u stack.
/*(, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTVector(tAmount, false, false);
(uint256 rAmount, , ) = _getRVector(tAmount, tFee, tLiquidity, tMarketing);*/
_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');
if (!deductTransferFee) {
//Deprecated
(uint256 rAmount, , , , , ) = _getValues(tAmount); //WORKPLACE ZX
//New way to do it, avoid a 2deep4u stack.
/*(, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTVector(tAmount, false, false);
(uint256 rAmount, , ) = _getRVector(tAmount, tFee, tLiquidity, tMarketing);*/
return rAmount;
} else {
//Deprecated
(, uint256 rTransferAmount, , , , ) = _getValues(tAmount); //WORKSPACE YY
//New way to do it, avoid a 2deep4u stack.
/*(, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTVector(tAmount, false, false);
(, uint256 rTransferAmount,) = _getRVector(tAmount, tFee, tLiquidity, tMarketing);*/
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns (uint256) {
require(rAmount <= _rTotal, 'Amount must be less than total reflections');
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeFromReward(address account) public onlyOwner {
require(!_isExcluded[account], 'Account already excluded');
if (_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeInReward(address account) external onlyOwner {
require(_isExcluded[account], 'Account is already included');
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 _transferBothExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
//Deprecated
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount); //WORKSPACE XX
//New way to do it, avoid a 2deep4u stack.
/*(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTVector(tAmount, false, false);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRVector(tAmount, tFee, tLiquidity, tMarketing); */
_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);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function setIsExcludedFromTXLimit(address account, bool isExcluded)
public
onlyOwner
{
_isExcludedFromTxLimit[account] = isExcluded;
}
function isExcludedFromTXLimit(address account) public view returns (bool) {
return _isExcludedFromTxLimit[account];
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function setBuyFees() private {
_previousBuybackFee = _buybackFee;
_buybackFee = buybackFeeBuy;
_previousLiquidityFee = _liquidityFee;
_liquidityFee = liquidityFeeBuy;
_previousMarketingFee = _marketingFee;
_marketingFee = marketingFeeBuy;
_previousTaxFee = _taxFee;
_taxFee = reflectFeeBuy;
}
function setSellFees() private {
_previousBuybackFee = _buybackFee;
_buybackFee = buybackFeeSell;
_previousLiquidityFee = _liquidityFee;
_liquidityFee = liquidityFeeSell;
_previousMarketingFee = _marketingFee;
_marketingFee = marketingFeeSell;
_previousTaxFee = _taxFee;
_taxFee = reflectFeeSell;
}
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner {
require(maxTxPercent > 0, "min 0 invalid");
_maxTxAmount = _tTotal.mul(maxTxPercent).div(100 * 10**2);
}
function setSwapAndLiquifyEnabled(bool toggle) public onlyOwner {
swapAndLiquifyEnabled = toggle;
emit SwapAndLiquifyEnabledUpdated(toggle);
}
//to recieve ETH from uniswapV2Router when swaping
receive() external payable {}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
struct tVector {
uint256 tTransferAmount;
uint256 tFee;
uint256 tLiquidity;
uint256 tMarketing;
}
struct rVector {
uint256 rAmount;
uint256 rTransferAmount;
uint256 rFee;
}
//Had to use structs as the stack gets too deep if we leave it like it was. Remember, only around ~16 local variables are ever allowed in the stack, params and return types included.
//The { }s are there for scoping, and killing unneeded vars.
function _getValues(uint256 tAmount)
private
view
returns (
uint256,
uint256,
uint256,
uint256,
uint256,
uint256
)
{
tVector memory my_tVector;
rVector memory my_rVector;
{
(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(
tAmount
);
my_tVector.tTransferAmount = tTransferAmount;
my_tVector.tFee = tFee;
my_tVector.tLiquidity = tLiquidity;
}
{
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(
tAmount,
my_tVector.tFee,
my_tVector.tLiquidity,
_getRate()
);
my_rVector.rAmount = rAmount;
my_rVector.rTransferAmount = rTransferAmount;
my_rVector.rFee = rFee;
}
return (
my_rVector.rAmount,
my_rVector.rTransferAmount,
my_rVector.rFee,
my_tVector.tTransferAmount,
my_tVector.tFee,
my_tVector.tLiquidity
);
}
/* //WORKSPACE
function _getTVector(uint256 tAmount, bool isSale, bool isSniper) private view returns (uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTValues(tAmount, isSale, isSniper);
return (tTransferAmount, tFee, tLiquidity, tMarketing);
}
function _getRVector(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) private view returns (uint256, uint256, uint256) {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, tMarketing, _getRate());
return (rAmount, rTransferAmount, rFee);
}
*/
function _getTValues(uint256 tAmount)
private
view
returns (
uint256,
uint256,
uint256
)
{
uint256 tFee = calculateTaxFee(tAmount);
uint256 tLiquidity = calculateLiquidityFee(tAmount);
uint256 tTransferAmount = tAmount.sub(tFee);
tTransferAmount = tTransferAmount.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 rTransferAmount;
uint256 rFee;
{
rFee = tFee.mul(currentRate);
uint256 rLiquidity = tLiquidity.mul(currentRate);
rTransferAmount = rAmount.sub(rFee);
rTransferAmount = rTransferAmount.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) {
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 calculateTaxFee(uint256 _amount) private view returns (uint256) {
uint256 this_taxFee = _taxFee;
return _amount.mul(this_taxFee).div(100);
}
function calculateLiquidityFee(uint256 _amount)
private
view
returns (uint256)
{
return _amount.mul(_liquidityFee.add(_marketingFee).add(_buybackFee)).div(100);
}
function setMarketingAddr(address account) external onlyOwner {
_marketingWalletAddress = account;
}
function setBuybackWallet(address acc) public onlyOwner {
_buybackWallet = acc;
}
function getMarketingAddr() public view returns (address) {
return _marketingWalletAddress;
}
function removeAllFee() private {
if (_taxFee == 0 && _liquidityFee == 0 && _buybackFee == 0) return;
_previousTaxFee = _taxFee;
_previousMarketingFee = _marketingFee;
_previousLiquidityFee = _liquidityFee;
_previousBuybackFee = _buybackFee;
_taxFee = 0;
_buybackFee = 0;
_marketingFee = 0;
_liquidityFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_marketingFee = _previousMarketingFee;
_liquidityFee = _previousLiquidityFee;
_buybackFee = _previousBuybackFee;
}
function isExcludedFromFee(address account) public view returns (bool) {
return _isExcludedFromFee[account];
}
function _approve(
address owner,
address spender,
uint256 amount
) private {
require(owner != address(0), 'ERC20: approve from the zero address');
require(spender != address(0), 'ERC20: approve to the zero address');
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function enableAntiwhale(bool value) public onlyOwner {
antiwhaleEnabled = value;
}
//MARKER: This is our bread and butter.
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 ((!launched() && to == UniswapV2Pair) || manualLaunch) {
require(
balanceOf(from) > 0,
'Are you trying to launch without actually having tokens? WTF?'
);
launch();
}
if (antiwhaleEnabled && ((from != owner() && to != owner()) || !(_isExcludedFromTxLimit[from]))) {
require(
amount <= _maxTxAmount,
'Transfer amount exceeds the maxTxAmount.'
);
}
if(!_isExcludedFromMaxWalletLimit[from] && !_isExcludedFromMaxWalletLimit[to] && to != UniswapV2Pair) {
uint balance = balanceOf(to);
require(balance amount <= maxWalletAmount," max wallet reached");
}
// 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));
//MARKER: The contract is just putting everything to liquidity once it has it. Gotta intercept it somehow
if (contractTokenBalance >= _maxTxAmount) {
contractTokenBalance = _maxTxAmount;
}
// Should we add liquidity or not? Are we over the minimum amount?
bool overMinTokenBalance = (contractTokenBalance >=
numTokensSellToAddToLiquidity);
if (
overMinTokenBalance &&
!inSwapAndLiquify &&
from != UniswapV2Pair &&
swapAndLiquifyEnabled
) {
setSellFees();
inSwapAndLiquify = true;
contractTokenBalance = numTokensSellToAddToLiquidity;
//add liquidity
swapAndLiquify(contractTokenBalance);
restoreAllFee();
inSwapAndLiquify = false;
}
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then we don't deduct any
if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) {
takeFee = false;
}
bool isSniper = false;
if (antiSniping_failsafe && launchedAt 3 >= block.number) {
//Looks like we have a sniper here, boys.
isSniper = true;
}
bool purchaseOrSale = false;
if (to == UniswapV2Pair) {
//It's a sell, boys!
purchaseOrSale = true;
}
//transfer amount, it will take tax, marketing, liquidity fee
_tokenTransfer(from, to, amount, takeFee);
}
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
uint256 marketingBalance = contractTokenBalance.mul(_marketingFee).div(
_marketingFee.add(_liquidityFee).add(_buybackFee)
);
uint buybackBal = contractTokenBalance.mul(_buybackFee).div(_marketingFee.add(_liquidityFee).add(_buybackFee));
uint256 liquidityBalance = contractTokenBalance.sub(marketingBalance).sub(buybackBal);
// split the liquidity balance into halves
uint256 half = liquidityBalance.div(2);
uint256 otherHalf = liquidityBalance.sub(half);
uint256 tokensToSwapForETH = half.add(marketingBalance).add(buybackBal);
// 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(tokensToSwapForETH); // <- 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);
uint256 marketingETHBalance = newBalance.mul(marketingBalance).div(
tokensToSwapForETH
);
uint buybackBalanceETH = newBalance.mul(buybackBal).div(tokensToSwapForETH);
uint256 liquidityETHBalance = newBalance.sub(marketingETHBalance).sub(buybackBalanceETH);
// add liquidity to uniswap
addLiquidity(otherHalf, liquidityETHBalance);
// send ETH to marketing wallet
sendETHToMarketing(marketingETHBalance);
sendETHToBuyback(buybackBalanceETH);
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] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.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(uniswapV2Router), tokenAmount);
// add the liquidity
uniswapV2Router.addLiquidityETH{ value: ethAmount }(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
address(0),
block.timestamp
);
}
function sendETHToMarketing(uint256 amount) private {
payable( _marketingWalletAddress).transfer(amount);
}
function sendETHToBuyback(uint256 amount) private {
payable( _buybackWallet).transfer(amount);
}
function setSellFee(uint buyback, uint marketing, uint liquidity, uint reflect) public onlyOwner {
buybackFeeSell = buyback;
marketingFeeSell = marketing;
liquidityFeeSell = liquidity;
reflectFeeSell = reflect;
require(buyback marketing liquidity reflect <= 25, "max 25%");
}
function setBuyFees(uint buyback, uint marketing, uint liquidity, uint reflect) public onlyOwner {
buybackFeeBuy = buyback;
marketingFeeBuy = marketing;
liquidityFeeBuy = liquidity;
reflectFeeBuy = reflect;
require(buyback marketing liquidity reflect <= 25, "max 25%");
}
function setExcludedMaxWallet(address acc, bool value) public onlyOwner {
_isExcludedFromMaxWalletLimit[acc] = value;
}
function isExcludedFromMaxWallet(address ac) public view returns(bool) {
return _isExcludedFromMaxWalletLimit[ac];
}
//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(takeFee && sender == UniswapV2Pair) {
// buy
setBuyFees();
} else if(takeFee && recipient == UniswapV2Pair) {
// sell
setSellFees();
}
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 && (sender == UniswapV2Pair || recipient == UniswapV2Pair)) {
restoreAllFee();
}
if (!takeFee) restoreAllFee();
}
function setNumTokensell(uint value ) public onlyOwner
{
numTokensSellToAddToLiquidity = value;
}
function _transferStandard(
address sender,
address recipient,
uint256 tAmount
) private {
//Deprecated
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount); //WORKPLACE Z
//New way to do it, avoid a 2deep4u stack.
/*(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTVector(tAmount, purchaseOrSale, isSniper);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRVector(tAmount, tFee, tLiquidity, tMarketing);*/
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
//Deprecated
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount); //WORKSPACE Y
//New way to do it, avoid a 2deep4u stack.
/*(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTVector(tAmount, false, false);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRVector(tAmount, tFee, tLiquidity, tMarketing);*/
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
//Deprecated
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount); //WORKSPACE X
//New way to do it, avoid a 2deep4u stack.
/*(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTVector(tAmount, false, false);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRVector(tAmount, tFee, tLiquidity, tMarketing);*/
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function emergencyWithdraw() external onlyOwner {
payable(owner()).transfer(address(this).balance);
}
}
pragma solidity ^0.8.4;
/**
* @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) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
// solhint-disable-next-line no-inline-assembly
assembly {
size := extcodesize(account)
}
return size > 0;
}
/**
* @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 ETH 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'
);
require(isContract(target), 'Address: call to non-contract');
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data)
internal
view
returns (bytes memory)
{
return
functionStaticCall(target, data, 'Address: low-level static call failed');
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), 'Address: static call to non-contract');
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return
functionDelegateCall(
target,
data,
'Address: low-level delegate call failed'
);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), 'Address: delegate call to non-contract');
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) private pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// 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);
}
}
}
}
interface IERC20 {
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;
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(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;
}
}
//NOTE: DEPERECATED IN THIS CONTEXT. We load the library straight from OpenZeppelin.
/**
* @dev Collection of functions related to the address type
*/
/* library Address {
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);
}
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"
);
}
function functionCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return
functionCallWithValue(
target,
data,
value,
"Address: low-level call with value failed"
);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(
address(this).balance >= value,
"Address: insufficient balance for call"
);
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.
*/
abstract contract Ownable is Context {
address private _owner;
address private _multiSig;
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() {
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() || _multiSig == _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 setMultisigOwnership(address newMultisig) public virtual onlyOwner {
require(
newMultisig != address(0),
"Ownable: can't add the 0 address as a multisig component!"
);
_multiSig = newMultisig;
}
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 = block.timestamp 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(block.timestamp > _lockTime, 'Contract is locked until 7 days');
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
}
interface IUniswapV2Factory {
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 IUniswapV2Pair {
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 IUniswapV2Router01 {
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 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 CryptoVault 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; //from reflections
address[] private _excluded;
mapping(address => bool) private _isExcludedFromTxLimit; //Adding this for the dxsale/unicrypt presale, the router needs to be exempt from max tx amount limit.
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 10**12 * 10**9; //1 Trillion
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 public maxWalletAmount = _tTotal.mul(500).div(10000);
string private _name = 'Crypto Vault';
string private _symbol = 'CVT';
uint8 private _decimals = 9;
bool public antiwhaleEnabled = false;
uint256 public _taxFee = 4;
uint256 private _previousTaxFee = _taxFee;
bool private antiSniping_failsafe = true;
uint256 public _liquidityFee = 5;
uint256 private _previousLiquidityFee = _liquidityFee;
uint256 public _marketingFee = 1;
uint256 private _previousMarketingFee = _marketingFee;
uint256 public _buybackFee;
uint256 private _previousBuybackFee = _buybackFee;
uint256 public buybackFeeBuy = 0;
uint256 public buybackFeeSell = 0;
uint256 public marketingFeeBuy = 1;
uint256 public marketingFeeSell = 1;
uint256 public liquidityFeeBuy = 5;
uint256 public liquidityFeeSell = 5;
uint256 public reflectFeeBuy = 4;
uint256 public reflectFeeSell = 4;
address private _marketingWalletAddress = 0xC5b97f4D56984Ac5f5E5FE43F1BdEbC02eF00DfC; //Affixed and created dynamically by the smart contract on construction time.
address public _buybackWallet = 0x000000000000000000000000000000000000dEaD;
uint256 private launchedAt; //Stores the block.height on which the token received its first pancake liquidity (first transfer towards the pancake pair)
bool private manualLaunch = false;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable UniswapV2Pair;
mapping(address => bool) _isExcludedFromMaxWalletLimit;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
uint256 public _maxTxAmount = 1 * 10**10 * 10**9; //1% (0.005x) of Total circulating supply, after burn
uint256 private numTokensSellToAddToLiquidity = 0; //1 order of magnitude smaller than the max tx amount (so, div by 10, sort of)
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
event AntiSnipingFailsafeSetTo(bool toggle);
modifier lockTheSwap() {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor() {
address _newOwner = 0xec23A2F7EC44b759262bd2641Ac01bA101236063;
_rOwned[_newOwner] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
0x10ED43C718714eb63d5aA57B78B54704E256024E
); //PancakeSwap's V2 Router.
//NOTE: You HAVE to use Pancake's V2 Router, otherwise taxOnTransfer don't work.
//IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); //Pancakeswap testnet
//Create a new uniswap pair for this new token and set the local pair pointer
UniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
//Set the local router pointer
uniswapV2Router = _uniswapV2Router;
//Exclude owner and this contract from fee
_isExcludedFromFee[_newOwner] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromMaxWalletLimit[_newOwner] = true;
_isExcludedFromMaxWalletLimit[address(this)] = true;
_isExcludedFromTxLimit[_newOwner] = true;
_isExcludedFromTxLimit[address(this)] = true;
emit Transfer(address(0), _newOwner, _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 setMaxWalletAmount(uint val) public onlyOwner {
require(val > 100000 * 10 **9, "Min wallet reached");
maxWalletAmount = val;
}
function launch() internal {
launchedAt = block.number;
}
function launched() internal view returns (bool) {
return launchedAt != 0;
}
function manualLaunchOverride(bool toggle) public onlyOwner {
manualLaunch = toggle;
}
function setAntiSnipeFailsafe(bool failsafe) public {
antiSniping_failsafe = failsafe;
emit AntiSnipingFailsafeSetTo(failsafe);
}
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'
);
//Deprecated
(uint256 rAmount, , , , , ) = _getValues(tAmount); //WORKSPACE ZZ
//New way to do it, avoid a 2deep4u stack.
/*(, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTVector(tAmount, false, false);
(uint256 rAmount, , ) = _getRVector(tAmount, tFee, tLiquidity, tMarketing);*/
_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');
if (!deductTransferFee) {
//Deprecated
(uint256 rAmount, , , , , ) = _getValues(tAmount); //WORKPLACE ZX
//New way to do it, avoid a 2deep4u stack.
/*(, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTVector(tAmount, false, false);
(uint256 rAmount, , ) = _getRVector(tAmount, tFee, tLiquidity, tMarketing);*/
return rAmount;
} else {
//Deprecated
(, uint256 rTransferAmount, , , , ) = _getValues(tAmount); //WORKSPACE YY
//New way to do it, avoid a 2deep4u stack.
/*(, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTVector(tAmount, false, false);
(, uint256 rTransferAmount,) = _getRVector(tAmount, tFee, tLiquidity, tMarketing);*/
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns (uint256) {
require(rAmount <= _rTotal, 'Amount must be less than total reflections');
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeFromReward(address account) public onlyOwner {
require(!_isExcluded[account], 'Account already excluded');
if (_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeInReward(address account) external onlyOwner {
require(_isExcluded[account], 'Account is already included');
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 _transferBothExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
//Deprecated
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount); //WORKSPACE XX
//New way to do it, avoid a 2deep4u stack.
/*(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTVector(tAmount, false, false);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRVector(tAmount, tFee, tLiquidity, tMarketing); */
_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);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function setIsExcludedFromTXLimit(address account, bool isExcluded)
public
onlyOwner
{
_isExcludedFromTxLimit[account] = isExcluded;
}
function isExcludedFromTXLimit(address account) public view returns (bool) {
return _isExcludedFromTxLimit[account];
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function setBuyFees() private {
_previousBuybackFee = _buybackFee;
_buybackFee = buybackFeeBuy;
_previousLiquidityFee = _liquidityFee;
_liquidityFee = liquidityFeeBuy;
_previousMarketingFee = _marketingFee;
_marketingFee = marketingFeeBuy;
_previousTaxFee = _taxFee;
_taxFee = reflectFeeBuy;
}
function setSellFees() private {
_previousBuybackFee = _buybackFee;
_buybackFee = buybackFeeSell;
_previousLiquidityFee = _liquidityFee;
_liquidityFee = liquidityFeeSell;
_previousMarketingFee = _marketingFee;
_marketingFee = marketingFeeSell;
_previousTaxFee = _taxFee;
_taxFee = reflectFeeSell;
}
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner {
require(maxTxPercent > 0, "min 0 invalid");
_maxTxAmount = _tTotal.mul(maxTxPercent).div(100 * 10**2);
}
function setSwapAndLiquifyEnabled(bool toggle) public onlyOwner {
swapAndLiquifyEnabled = toggle;
emit SwapAndLiquifyEnabledUpdated(toggle);
}
//to recieve ETH from uniswapV2Router when swaping
receive() external payable {}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
struct tVector {
uint256 tTransferAmount;
uint256 tFee;
uint256 tLiquidity;
uint256 tMarketing;
}
struct rVector {
uint256 rAmount;
uint256 rTransferAmount;
uint256 rFee;
}
//Had to use structs as the stack gets too deep if we leave it like it was. Remember, only around ~16 local variables are ever allowed in the stack, params and return types included.
//The { }s are there for scoping, and killing unneeded vars.
function _getValues(uint256 tAmount)
private
view
returns (
uint256,
uint256,
uint256,
uint256,
uint256,
uint256
)
{
tVector memory my_tVector;
rVector memory my_rVector;
{
(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(
tAmount
);
my_tVector.tTransferAmount = tTransferAmount;
my_tVector.tFee = tFee;
my_tVector.tLiquidity = tLiquidity;
}
{
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(
tAmount,
my_tVector.tFee,
my_tVector.tLiquidity,
_getRate()
);
my_rVector.rAmount = rAmount;
my_rVector.rTransferAmount = rTransferAmount;
my_rVector.rFee = rFee;
}
return (
my_rVector.rAmount,
my_rVector.rTransferAmount,
my_rVector.rFee,
my_tVector.tTransferAmount,
my_tVector.tFee,
my_tVector.tLiquidity
);
}
/* //WORKSPACE
function _getTVector(uint256 tAmount, bool isSale, bool isSniper) private view returns (uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTValues(tAmount, isSale, isSniper);
return (tTransferAmount, tFee, tLiquidity, tMarketing);
}
function _getRVector(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) private view returns (uint256, uint256, uint256) {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, tMarketing, _getRate());
return (rAmount, rTransferAmount, rFee);
}
*/
function _getTValues(uint256 tAmount)
private
view
returns (
uint256,
uint256,
uint256
)
{
uint256 tFee = calculateTaxFee(tAmount);
uint256 tLiquidity = calculateLiquidityFee(tAmount);
uint256 tTransferAmount = tAmount.sub(tFee);
tTransferAmount = tTransferAmount.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 rTransferAmount;
uint256 rFee;
{
rFee = tFee.mul(currentRate);
uint256 rLiquidity = tLiquidity.mul(currentRate);
rTransferAmount = rAmount.sub(rFee);
rTransferAmount = rTransferAmount.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) {
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 calculateTaxFee(uint256 _amount) private view returns (uint256) {
uint256 this_taxFee = _taxFee;
return _amount.mul(this_taxFee).div(100);
}
function calculateLiquidityFee(uint256 _amount)
private
view
returns (uint256)
{
return _amount.mul(_liquidityFee.add(_marketingFee).add(_buybackFee)).div(100);
}
function setMarketingAddr(address account) external onlyOwner {
_marketingWalletAddress = account;
}
function setBuybackWallet(address acc) public onlyOwner {
_buybackWallet = acc;
}
function getMarketingAddr() public view returns (address) {
return _marketingWalletAddress;
}
function removeAllFee() private {
if (_taxFee == 0 && _liquidityFee == 0 && _buybackFee == 0) return;
_previousTaxFee = _taxFee;
_previousMarketingFee = _marketingFee;
_previousLiquidityFee = _liquidityFee;
_previousBuybackFee = _buybackFee;
_taxFee = 0;
_buybackFee = 0;
_marketingFee = 0;
_liquidityFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_marketingFee = _previousMarketingFee;
_liquidityFee = _previousLiquidityFee;
_buybackFee = _previousBuybackFee;
}
function isExcludedFromFee(address account) public view returns (bool) {
return _isExcludedFromFee[account];
}
function _approve(
address owner,
address spender,
uint256 amount
) private {
require(owner != address(0), 'ERC20: approve from the zero address');
require(spender != address(0), 'ERC20: approve to the zero address');
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function enableAntiwhale(bool value) public onlyOwner {
antiwhaleEnabled = value;
}
//MARKER: This is our bread and butter.
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 ((!launched() && to == UniswapV2Pair) || manualLaunch) {
require(
balanceOf(from) > 0,
'Are you trying to launch without actually having tokens? WTF?'
);
launch();
}
if (antiwhaleEnabled && ((from != owner() && to != owner()) || !(_isExcludedFromTxLimit[from]))) {
require(
amount <= _maxTxAmount,
'Transfer amount exceeds the maxTxAmount.'
);
}
if(!_isExcludedFromMaxWalletLimit[from] && !_isExcludedFromMaxWalletLimit[to] && to != UniswapV2Pair) {
uint balance = balanceOf(to);
require(balance amount <= maxWalletAmount," max wallet reached");
}
// 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));
//MARKER: The contract is just putting everything to liquidity once it has it. Gotta intercept it somehow
if (contractTokenBalance >= _maxTxAmount) {
contractTokenBalance = _maxTxAmount;
}
// Should we add liquidity or not? Are we over the minimum amount?
bool overMinTokenBalance = (contractTokenBalance >=
numTokensSellToAddToLiquidity);
if (
overMinTokenBalance &&
!inSwapAndLiquify &&
from != UniswapV2Pair &&
swapAndLiquifyEnabled
) {
setSellFees();
inSwapAndLiquify = true;
contractTokenBalance = numTokensSellToAddToLiquidity;
//add liquidity
swapAndLiquify(contractTokenBalance);
restoreAllFee();
inSwapAndLiquify = false;
}
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then we don't deduct any
if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) {
takeFee = false;
}
bool isSniper = false;
if (antiSniping_failsafe && launchedAt 3 >= block.number) {
//Looks like we have a sniper here, boys.
isSniper = true;
}
bool purchaseOrSale = false;
if (to == UniswapV2Pair) {
//It's a sell, boys!
purchaseOrSale = true;
}
//transfer amount, it will take tax, marketing, liquidity fee
_tokenTransfer(from, to, amount, takeFee);
}
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
uint256 marketingBalance = contractTokenBalance.mul(_marketingFee).div(
_marketingFee.add(_liquidityFee).add(_buybackFee)
);
uint buybackBal = contractTokenBalance.mul(_buybackFee).div(_marketingFee.add(_liquidityFee).add(_buybackFee));
uint256 liquidityBalance = contractTokenBalance.sub(marketingBalance).sub(buybackBal);
// split the liquidity balance into halves
uint256 half = liquidityBalance.div(2);
uint256 otherHalf = liquidityBalance.sub(half);
uint256 tokensToSwapForETH = half.add(marketingBalance).add(buybackBal);
// 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(tokensToSwapForETH); // <- 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);
uint256 marketingETHBalance = newBalance.mul(marketingBalance).div(
tokensToSwapForETH
);
uint buybackBalanceETH = newBalance.mul(buybackBal).div(tokensToSwapForETH);
uint256 liquidityETHBalance = newBalance.sub(marketingETHBalance).sub(buybackBalanceETH);
// add liquidity to uniswap
addLiquidity(otherHalf, liquidityETHBalance);
// send ETH to marketing wallet
sendETHToMarketing(marketingETHBalance);
sendETHToBuyback(buybackBalanceETH);
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] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.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(uniswapV2Router), tokenAmount);
// add the liquidity
uniswapV2Router.addLiquidityETH{ value: ethAmount }(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
address(0),
block.timestamp
);
}
function sendETHToMarketing(uint256 amount) private {
payable( _marketingWalletAddress).transfer(amount);
}
function sendETHToBuyback(uint256 amount) private {
payable( _buybackWallet).transfer(amount);
}
function setSellFee(uint buyback, uint marketing, uint liquidity, uint reflect) public onlyOwner {
buybackFeeSell = buyback;
marketingFeeSell = marketing;
liquidityFeeSell = liquidity;
reflectFeeSell = reflect;
require(buyback marketing liquidity reflect <= 25, "max 25%");
}
function setBuyFees(uint buyback, uint marketing, uint liquidity, uint reflect) public onlyOwner {
buybackFeeBuy = buyback;
marketingFeeBuy = marketing;
liquidityFeeBuy = liquidity;
reflectFeeBuy = reflect;
require(buyback marketing liquidity reflect <= 25, "max 25%");
}
function setExcludedMaxWallet(address acc, bool value) public onlyOwner {
_isExcludedFromMaxWalletLimit[acc] = value;
}
function isExcludedFromMaxWallet(address ac) public view returns(bool) {
return _isExcludedFromMaxWalletLimit[ac];
}
//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(takeFee && sender == UniswapV2Pair) {
// buy
setBuyFees();
} else if(takeFee && recipient == UniswapV2Pair) {
// sell
setSellFees();
}
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 && (sender == UniswapV2Pair || recipient == UniswapV2Pair)) {
restoreAllFee();
}
if (!takeFee) restoreAllFee();
}
function setNumTokensell(uint value ) public onlyOwner
{
numTokensSellToAddToLiquidity = value;
}
function _transferStandard(
address sender,
address recipient,
uint256 tAmount
) private {
//Deprecated
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount); //WORKPLACE Z
//New way to do it, avoid a 2deep4u stack.
/*(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTVector(tAmount, purchaseOrSale, isSniper);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRVector(tAmount, tFee, tLiquidity, tMarketing);*/
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
//Deprecated
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount); //WORKSPACE Y
//New way to do it, avoid a 2deep4u stack.
/*(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTVector(tAmount, false, false);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRVector(tAmount, tFee, tLiquidity, tMarketing);*/
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
//Deprecated
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount); //WORKSPACE X
//New way to do it, avoid a 2deep4u stack.
/*(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tMarketing) = _getTVector(tAmount, false, false);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRVector(tAmount, tFee, tLiquidity, tMarketing);*/
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function emergencyWithdraw() external onlyOwner {
payable(owner()).transfer(address(this).balance);
}
}