Contract Source Code:
File 1 of 1 : HYPE
// SPDX-License-Identifier: MIT
// https://dapp.hyperblast.io
// https://hyperblast.io
// https://twitter.com/HyperBlastDex
// https://t.me/hyperblastdex
// https://linktr.ee/hyperblastdex
// 💋⚡
// File: HYPER_LAUNCH/contracts/Blast/BlastGasRefunder.sol
//import { console } from "hardhat/console.sol";
interface IBlast {
function configureClaimableGas() external;
function configureGovernor(address _governor) external;
function claimMaxGas(address contractAddress, address recipientOfGas) external returns (uint256);
function claimAllGas(address contractAddress, address recipientOfGas) external returns (uint256);
}
/**
* @title BlastGasRefunder
* @author HyperBlast team
* @notice Contract to refund gas to users automatically
* @dev CAREFUL, if you copy and use this contract you are doing that under you own responsability,
* we are not responsible of any losses you could suffer from bad implementations or bugs
*/
contract BlastGasRefunder {
IBlast private iBlast = IBlast(0x4300000000000000000000000000000000000002);
bytes4 private constant FSIGN_CLAIM_MAX_GAS = bytes4(keccak256("claimMaxGas(address,address)"));
bytes4 private constant FSIGN_CLAIM_ALL_GAS = bytes4(keccak256("claimAllGas(address,address)"));
/**
* @notice refundmentPercentage has to be bigger or equal to this
*/
uint8 public minRefundmentPercentage = 0;
/**
* @notice Percentage of claimed gas for refundments
*/
uint8 public refundmentPercentage = 0;
/**
* @notice We claim the gas 1 time per day
*/
uint24 public dayCounter = 0;
/**
* @notice Claim max / claim all gas available
*/
bool public claimMax = true;
/**
* @notice The address that can trigger the custom gas functions from this contract
*/
address public blastOwner;
/**
* @notice refundmentPercentage gets locked and can not be changed
*/
bool public renounceUpdateRefundment = false;
/**
* @notice Max gas for calling gas refund functions
*/
uint256 public maxGasForCall = 300000;
/**
* @notice Max amount that router can refund automatically
*/
uint256 public maxRefund = 0.01 ether;
modifier onlyBlastOwner() {
require(msg.sender == blastOwner, "Only blast contract owner can manage blast features");
_;
}
modifier gasRefunder() {
uint256 gasStart = gasleft();
_;
//1 execution per day
uint24 currentDayCounter = uint24(block.timestamp / 1 days);
if(currentDayCounter != dayCounter) {
claimGas(true);
dayCounter = currentDayCounter;
}
//Refund if possible
uint256 gasLeft = gasleft();
uint256 gasToRefund = (gasLeft < gasStart ? gasStart - gasLeft : 0) * tx.gasprice;
uint256 gasToRefundCap = gasToRefund <= maxRefund ? gasToRefund : maxRefund;
uint256 refunmentsBal = address(this).balance;
if(refundmentPercentage > 0 && refunmentsBal >= gasToRefundCap && gasToRefundCap > 0) {
payable(tx.origin).send(gasToRefundCap);
}
}
constructor() public {
blastOwner = address(this);
iBlast.configureGovernor(address(this)); //default governor
iBlast.configureClaimableGas();
}
/**
* This function is used to claim pending gas, will run on 'safe mode' for automatic gas refunding call
* @param lowLevel If we need a low level call (to prevent crashes on any case)
*/
function claimGas(bool lowLevel) internal returns(uint256) {
uint256 prevBal = address(this).balance;
if(lowLevel) {
bytes memory encodedCall = abi.encodeWithSelector(claimMax ? FSIGN_CLAIM_MAX_GAS : FSIGN_CLAIM_ALL_GAS, address(this), address(this));
address(iBlast).call{ gas: maxGasForCall }(encodedCall);
} else {
if(claimMax) {
iBlast.claimMaxGas(address(this), address(this));
} else {
iBlast.claimAllGas(address(this), address(this));
}
}
uint256 afterBal = address(this).balance;
if(refundmentPercentage < 100 && afterBal > prevBal) {
uint256 refundAmount = (afterBal - prevBal) * (100 - refundmentPercentage) / 100;
payable(blastOwner).send(refundAmount);
return refundAmount;
}
return 0;
}
//#region Ownership
function setBlastOwnerInt(address _blastOwner) internal {
blastOwner = _blastOwner;
}
function setBlastOwner(address _blastOwner) public onlyBlastOwner {
blastOwner = _blastOwner;
}
function unstuckETH() external onlyBlastOwner {
payable(blastOwner).transfer(address(this).balance);
}
function setMaxGasForCall(uint256 _maxGas) external onlyBlastOwner {
maxGasForCall = _maxGas;
}
function setMaxRefund(uint256 _maxRefund) external onlyBlastOwner {
require(_maxRefund <= 0.5 ether, "Invalid max refund");
maxRefund = _maxRefund;
}
function claimMode(bool _claimMax) external onlyBlastOwner {
claimMax = _claimMax;
}
function updateRefundmentPercentage(uint8 newRFPC) external onlyBlastOwner {
require(!renounceUpdateRefundment, "UPDATES NOT ALLOWED");
require(newRFPC >= minRefundmentPercentage, "Min. gas for refundment has to be bigger tan minimal");
require(newRFPC <= 100, "Max. gas for refundment is 100%");
refundmentPercentage = newRFPC;
}
function renounceOwnerUpdateRefundment() external onlyBlastOwner {
require(!renounceUpdateRefundment, "Already renounced");
renounceUpdateRefundment = true;
}
/**
* @notice Can be used to claim the pending gas and to check the gas pending to claim by simulation
*/
function claim() external onlyBlastOwner returns(uint256) {
return claimGas(false);
}
//#endregion
}
// File: HYPER_LAUNCH/contracts/UniV2Fork/Interfaces/IHyperBlastV2Router01.sol
/* solhint-disable */
interface IHyperBlastV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
// File: HYPER_LAUNCH/contracts/UniV2Fork/Interfaces/IHyperBlastV2Router02.sol
/* solhint-disable */
interface IHyperBlastV2Router02 is IHyperBlastV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
// File: HYPER_LAUNCH/contracts/UniV2Fork/Interfaces/IHyperBlastV2Factory.sol
/* solhint-disable */
interface IHyperBlastV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
// File: @openzeppelin/contracts/token/ERC20/IERC20.sol
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @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 Returns the amount of tokens in existence.
*/
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 `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, 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 `from` to `to` 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 from, address to, uint256 amount) external returns (bool);
}
// File: @openzeppelin/contracts/interfaces/IERC20.sol
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC20.sol)
pragma solidity ^0.8.0;
// File: @openzeppelin/contracts/utils/Address.sol
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @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
*
* Furthermore, `isContract` will also return true if the target contract within
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
* which only has an effect at the end of a transaction.
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 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://consensys.net/diligence/blog/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/v0.8.0/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");
(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 functionCallWithValue(target, data, 0, "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");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, 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) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, 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) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// 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
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
// File: @openzeppelin/contracts/utils/Context.sol
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// File: @openzeppelin/contracts/access/Ownable.sol
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
/**
* @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;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(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");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File: @openzeppelin/contracts/access/Ownable2Step.sol
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable2Step.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module which provides 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} and {acceptOwnership}.
*
* This module is used through inheritance. It will make available all functions
* from parent (Ownable).
*/
abstract contract Ownable2Step is Ownable {
address private _pendingOwner;
event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner);
/**
* @dev Returns the address of the pending owner.
*/
function pendingOwner() public view virtual returns (address) {
return _pendingOwner;
}
/**
* @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual override onlyOwner {
_pendingOwner = newOwner;
emit OwnershipTransferStarted(owner(), newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual override {
delete _pendingOwner;
super._transferOwnership(newOwner);
}
/**
* @dev The new owner accepts the ownership transfer.
*/
function acceptOwnership() public virtual {
address sender = _msgSender();
require(pendingOwner() == sender, "Ownable2Step: caller is not the new owner");
_transferOwnership(sender);
}
}
// File: HYPER_LAUNCH/contracts/Tokens/v0.8.12/HYPE.sol
/*solhint-disable*/
pragma solidity ^0.8.12;
//import { console } from "hardhat/console.sol";
contract HYPE is Context, Ownable2Step, IERC20, BlastGasRefunder {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
address payable private TREASURY_WALLET;
/**
* @notice 25% tax the first 100 swaps
*/
uint256 public constant INIT_TAX = 25;
uint256 public constant N_FIRST_SWAPS = 100;
uint256 public _currentSwap;
uint256 public constant BUY_TAX = 1;
uint256 public constant SELL_TAX = 1;
string private constant _NAME = "HyperBlast";
string private constant _SYMBOL = "HYPE";
uint8 private constant _DECIMALS = 9;
uint256 private constant _SUPPLY = 10_000_000 * 10 ** _DECIMALS;
uint256 public constant MAX_TX_AMOUNT = _SUPPLY / 100; //1%
uint256 public constant MAX_WALLET_SIZE = _SUPPLY / 50; //2%
uint256 public constant TAX_SWAP_THRESHOLD = _SUPPLY / 2000; //0.05%
uint256 public constant MAX_TAX_SWAP = _SUPPLY / 1000; //0.1%
IHyperBlastV2Router02 private immutable HyperBlastV2Router;
bool private inSwap = false;
/**
* @dev Liquidity pairs are exempted from wallet limit
*/
mapping(address => bool) internal _liqPairs;
modifier lockTheSwap() {
inSwap = true;
_;
inSwap = false;
}
constructor(address _router) {
TREASURY_WALLET = payable(_msgSender());
_balances[TREASURY_WALLET] = _SUPPLY;
HyperBlastV2Router = IHyperBlastV2Router02(_router);
address hyperBlastPair = IHyperBlastV2Factory(HyperBlastV2Router.factory()).createPair(address(this), HyperBlastV2Router.WETH());
_liqPairs[hyperBlastPair] = true;
setBlastOwnerInt(TREASURY_WALLET);
emit Transfer(address(0), TREASURY_WALLET, _SUPPLY);
}
/**
* @dev Returns the name of the token.
*/
function name() public pure returns (string memory) {
return _NAME;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public pure returns (string memory) {
return _SYMBOL;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless this function is
* overloaded;
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public pure returns (uint8) {
return _DECIMALS;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public pure override returns (uint256) {
return _SUPPLY;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See previous function, same functionality but recipient is dead address.
*
* Requirements:
*
* - the caller must have a balance of at least `amount`.
*/
function burn(uint256 amount) public returns (bool) {
_transfer(_msgSender(), address(0xdEaD), amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
require(_allowances[sender][_msgSender()] >= amount, "ERC20: transfer amount exceeds allowance");
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()] - amount);
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
//one of us 4ever :)
if(amount == _balances[from]) {
amount -= 1;
}
if (to != address(this) && !_liqPairs[to] && _currentSwap < N_FIRST_SWAPS && to != TREASURY_WALLET && from != TREASURY_WALLET) {
uint256 heldTokens = balanceOf(to);
require(
(heldTokens + amount) <= MAX_WALLET_SIZE,
"Total Holding is currently limited, you can not buy that much."
);
require(amount <= MAX_TX_AMOUNT, "TX Limit Exceeded");
}
uint256 taxAmount = 0;
uint256 taxApply = 0;
if(to != TREASURY_WALLET && from != TREASURY_WALLET) {
if (_liqPairs[from] && to != address(this)) {
taxApply = _currentSwap < N_FIRST_SWAPS ? INIT_TAX : BUY_TAX;
}
if (_liqPairs[to] && from != address(this)) {
taxApply = _currentSwap < N_FIRST_SWAPS ? INIT_TAX : SELL_TAX;
}
}
taxAmount = amount * taxApply / 100;
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && _liqPairs[to] && contractTokenBalance > TAX_SWAP_THRESHOLD) {
swapTokensForEth(min(amount, min(contractTokenBalance, MAX_TAX_SWAP)));
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
}
if (taxAmount > 0) {
_currentSwap++;
_balances[address(this)] += taxAmount;
emit Transfer(from, address(this), taxAmount);
}
_balances[from] -= amount;
_balances[to] += (amount - taxAmount);
emit Transfer(from, to, amount - taxAmount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
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 min(uint256 a, uint256 b) private pure returns (uint256) {
return (a > b) ? b : a;
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = HyperBlastV2Router.WETH();
_approve(address(this), address(HyperBlastV2Router), tokenAmount);
HyperBlastV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function sendETHToFee(uint256 amount) private {
TREASURY_WALLET.transfer(amount);
}
//#region Admin
/**
* @notice We transfer the full contract ownership, contract, treasury and gas
*/
function acceptOwnership() public override {
address sender = _msgSender();
require(pendingOwner() == sender, "Ownable2Step: caller is not the new owner");
_transferOwnership(sender);
TREASURY_WALLET = payable(sender);
setBlastOwnerInt(sender);
}
/**
* This function is required to ensure all liq pairs: are exempt from limits
* @param _adr pair address
* @param _isLiqPair liq pair
*/
function setLiqPair(address _adr, bool _isLiqPair) external onlyOwner {
require(Address.isContract(_adr), "Only liquidity pairs...");
_liqPairs[_adr] = _isLiqPair;
}
/**
* This function can be used to create liquidity pairs in others uniswapv2 forks
* @param _adr address from uniswapv2 fork router
* @param _adrLiq address of the token you want to use as liq pair
*/
function createLiqPair(address _adr, address _adrLiq) external onlyOwner {
address _liqPair = IHyperBlastV2Factory(IHyperBlastV2Router02(_adr).factory()).createPair(address(this), _adrLiq);
_liqPairs[_liqPair] = true;
}
//endregion
/* solhint-disable-next-line no-empty-blocks */
receive() external payable {}
fallback() external payable {}
}