//SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.4;
/*
* @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 GSN 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 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;
}
}
/**
* @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 _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 virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
//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));
}
}
interface IERC20 {
/**
* @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 `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 Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
interface Token {
function transfer(address, uint256) external returns (bool);
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 9.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
_decimals = 18;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual 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 9, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* 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 view virtual returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual 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 virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual 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 virtual 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 virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
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 virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(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 virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
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 sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "zero address");
require(recipient != address(0), "zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @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) internal virtual {
require(owner != address(0), "zero address");
require(spender != address(0), "zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 9.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal virtual {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
}
////////////////////////////////
////////// Dividend ////////////
////////////////////////////////
/*
@title Dividend-Paying Token Interface
@author Roger Wu (https://github.com/roger-wu)
@dev An interface for a dividend-paying token contract.
*/
interface IDividendPayingToken {
/// @notice View the amount of dividend in wei that an address can withdraw.
/// @param _owner The address of a token holder.
/// @return The amount of dividend in wei that `_owner` can withdraw.
function dividendOf(address _owner) external view returns(uint256);
/// @notice Distributes ether to token holders as dividends.
/// @dev SHOULD distribute the paid ether to token holders as dividends.
/// SHOULD NOT directly transfer ether to token holders in this function.
/// MUST emit a `DividendsDistributed` event when the amount of distributed ether is greater than 0.
function distributeDividends() external payable;
/// @notice Withdraws the ether distributed to the sender.
/// @dev SHOULD transfer `dividendOf(msg.sender)` wei to `msg.sender`, and `dividendOf(msg.sender)` SHOULD be 0 after the transfer.
/// MUST emit a `DividendWithdrawn` event if the amount of ether transferred is greater than 0.
function withdrawDividend() external;
/// @dev This event MUST emit when ether is distributed to token holders.
/// @param from The address which sends ether to this contract.
/// @param weiAmount The amount of distributed ether in wei.
event DividendsDistributed(
address indexed from,
uint256 weiAmount
);
/// @dev This event MUST emit when an address withdraws their dividend.
/// @param to The address which withdraws ether from this contract.
/// @param weiAmount The amount of withdrawn ether in wei.
event DividendWithdrawn(
address indexed to,
uint256 weiAmount
);
}
/*
@title Dividend-Paying Token Optional Interface
@author Roger Wu (https://github.com/roger-wu)
@dev OPTIONAL functions for a dividend-paying token contract.
*/
interface IDividendPayingTokenOptional {
/// @notice View the amount of dividend in wei that an address can withdraw.
/// @param _owner The address of a token holder.
/// @return The amount of dividend in wei that `_owner` can withdraw.
function withdrawableDividendOf(address _owner) external view returns(uint256);
/// @notice View the amount of dividend in wei that an address has withdrawn.
/// @param _owner The address of a token holder.
/// @return The amount of dividend in wei that `_owner` has withdrawn.
function withdrawnDividendOf(address _owner) external view returns(uint256);
/// @notice View the amount of dividend in wei that an address has earned in total.
/// @dev accumulativeDividendOf(_owner) = withdrawableDividendOf(_owner) + withdrawnDividendOf(_owner)
/// @param _owner The address of a token holder.
/// @return The amount of dividend in wei that `_owner` has earned in total.
function accumulativeDividendOf(address _owner) external view returns(uint256);
}
/*
@title Dividend-Paying Token
@author Roger Wu (https://github.com/roger-wu)
@dev A mintable ERC20 token that allows anyone to pay and distribute ether
to token holders as dividends and allows token holders to withdraw their dividends.
Reference: the source code of PoWH3D: https://etherscan.io/address/0xB3775fB83F7D12A36E0475aBdD1FCA35c091efBe#code
*/
contract DividendPayingToken is ERC20, IDividendPayingToken, IDividendPayingTokenOptional {
using SafeMath for uint256;
using SafeMathUint for uint256;
using SafeMathInt for int256;
// With `magnitude`, we can properly distribute dividends even if the amount of received ether is small.
// For more discussion about choosing the value of `magnitude`,
// see https://github.com/ethereum/EIPs/issues/1726#issuecomment-472352728
uint256 constant internal magnitude = 2**128;
uint256 internal magnifiedDividendPerShare;
uint256 internal lastAmount;
address public dividendToken;
uint256 public minTokenBeforeSendDividend = 0;
// About dividendCorrection:
// If the token balance of a `_user` is never changed, the dividend of `_user` can be computed with:
// `dividendOf(_user) = dividendPerShare * balanceOf(_user)`.
// When `balanceOf(_user)` is changed (via minting/burning/transferring tokens),
// `dividendOf(_user)` should not be changed,
// but the computed value of `dividendPerShare * balanceOf(_user)` is changed.
// To keep the `dividendOf(_user)` unchanged, we add a correction term:
// `dividendOf(_user) = dividendPerShare * balanceOf(_user) + dividendCorrectionOf(_user)`,
// where `dividendCorrectionOf(_user)` is updated whenever `balanceOf(_user)` is changed:
// `dividendCorrectionOf(_user) = dividendPerShare * (old balanceOf(_user)) - (new balanceOf(_user))`.
// So now `dividendOf(_user)` returns the same value before and after `balanceOf(_user)` is changed.
mapping(address => int256) internal magnifiedDividendCorrections;
mapping(address => uint256) internal withdrawnDividends;
uint256 public totalDividendsDistributed;
constructor(string memory _name, string memory _symbol, address _token) ERC20(_name, _symbol) {
dividendToken = _token;
}
receive() external payable {
}
/// @notice Distributes ether to token holders as dividends.
/// @dev It reverts if the total supply of tokens is 0.
/// It emits the `DividendsDistributed` event if the amount of received ether is greater than 0.
/// About undistributed ether:
/// In each distribution, there is a small amount of ether not distributed,
/// the magnified amount of which is
/// `(msg.value * magnitude) % totalSupply()`.
/// With a well-chosen `magnitude`, the amount of undistributed ether
/// (de-magnified) in a distribution can be less than 1 wei.
/// We can actually keep track of the undistributed ether in a distribution
/// and try to distribute it in the next distribution,
/// but keeping track of such data on-chain costs much more than
/// the saved ether, so we don't do that.
function distributeDividends() public override payable {
require(totalSupply() > 0);
if (msg.value > 0) {
magnifiedDividendPerShare = magnifiedDividendPerShare.add(
(msg.value).mul(magnitude) / totalSupply()
);
emit DividendsDistributed(msg.sender, msg.value);
totalDividendsDistributed = totalDividendsDistributed.add(msg.value);
}
}
function distributeDividends(uint256 amount) public {
require(totalSupply() > 0);
if (amount > 0) {
magnifiedDividendPerShare = magnifiedDividendPerShare.add(
(amount).mul(magnitude) / totalSupply()
);
emit DividendsDistributed(msg.sender, amount);
totalDividendsDistributed = totalDividendsDistributed.add(amount);
}
}
/// @notice Withdraws the ether distributed to the sender.
/// @dev It emits a `DividendWithdrawn` event if the amount of withdrawn ether is greater than 0.
function withdrawDividend() public virtual override {
_withdrawDividendOfUser(payable(msg.sender));
}
function setDividendTokenAddress(address newToken) external virtual {
dividendToken = newToken;
}
function setMinTokenBeforeSendDividend(uint256 newAmount) external virtual {
minTokenBeforeSendDividend = newAmount;
}
/// @notice Withdraws the ether distributed to the sender.
/// @dev It emits a `DividendWithdrawn` event if the amount of withdrawn ether is greater than 0.
function _withdrawDividendOfUser(address payable user) internal returns (uint256) {
uint256 _withdrawableDividend = withdrawableDividendOf(user);
if (_withdrawableDividend > minTokenBeforeSendDividend) {
withdrawnDividends[user] = withdrawnDividends[user].add(_withdrawableDividend);
emit DividendWithdrawn(user, _withdrawableDividend);
bool success = IERC20(dividendToken).transfer(user, _withdrawableDividend);
if(!success) {
withdrawnDividends[user] = withdrawnDividends[user].sub(_withdrawableDividend);
return 0;
}
return _withdrawableDividend;
}
return 0;
}
/// @notice View the amount of dividend in wei that an address can withdraw.
/// @param _owner The address of a token holder.
/// @return The amount of dividend in wei that `_owner` can withdraw.
function dividendOf(address _owner) public view override returns(uint256) {
return withdrawableDividendOf(_owner);
}
/// @notice View the amount of dividend in wei that an address can withdraw.
/// @param _owner The address of a token holder.
/// @return The amount of dividend in wei that `_owner` can withdraw.
function withdrawableDividendOf(address _owner) public view override returns(uint256) {
return accumulativeDividendOf(_owner).sub(withdrawnDividends[_owner]);
}
/// @notice View the amount of dividend in wei that an address has withdrawn.
/// @param _owner The address of a token holder.
/// @return The amount of dividend in wei that `_owner` has withdrawn.
function withdrawnDividendOf(address _owner) public view override returns(uint256) {
return withdrawnDividends[_owner];
}
/// @notice View the amount of dividend in wei that an address has earned in total.
/// @dev accumulativeDividendOf(_owner) = withdrawableDividendOf(_owner) + withdrawnDividendOf(_owner)
/// = (magnifiedDividendPerShare * balanceOf(_owner) + magnifiedDividendCorrections[_owner]) / magnitude
/// @param _owner The address of a token holder.
/// @return The amount of dividend in wei that `_owner` has earned in total.
function accumulativeDividendOf(address _owner) public view override returns(uint256) {
return magnifiedDividendPerShare.mul(balanceOf(_owner)).toInt256Safe()
.add(magnifiedDividendCorrections[_owner]).toUint256Safe() / magnitude;
}
/// @dev Internal function that transfer tokens from one address to another.
/// Update magnifiedDividendCorrections to keep dividends unchanged.
/// @param from The address to transfer from.
/// @param to The address to transfer to.
/// @param value The amount to be transferred.
function _transfer(address from, address to, uint256 value) internal virtual override {
require(false);
int256 _magCorrection = magnifiedDividendPerShare.mul(value).toInt256Safe();
magnifiedDividendCorrections[from] = magnifiedDividendCorrections[from].add(_magCorrection);
magnifiedDividendCorrections[to] = magnifiedDividendCorrections[to].sub(_magCorrection);
}
/// @dev Internal function that mints tokens to an account.
/// Update magnifiedDividendCorrections to keep dividends unchanged.
/// @param account The account that will receive the created tokens.
/// @param value The amount that will be created.
function _mint(address account, uint256 value) internal override {
super._mint(account, value);
magnifiedDividendCorrections[account] = magnifiedDividendCorrections[account]
.sub( (magnifiedDividendPerShare.mul(value)).toInt256Safe() );
}
/// @dev Internal function that burns an amount of the token of a given account.
/// Update magnifiedDividendCorrections to keep dividends unchanged.
/// @param account The account whose tokens will be burnt.
/// @param value The amount that will be burnt.
function _burn(address account, uint256 value) internal override {
super._burn(account, value);
magnifiedDividendCorrections[account] = magnifiedDividendCorrections[account]
.add( (magnifiedDividendPerShare.mul(value)).toInt256Safe() );
}
function _setBalance(address account, uint256 newBalance) internal {
uint256 currentBalance = balanceOf(account);
if(newBalance > currentBalance) {
uint256 mintAmount = newBalance.sub(currentBalance);
_mint(account, mintAmount);
} else if(newBalance < currentBalance) {
uint256 burnAmount = currentBalance.sub(newBalance);
_burn(account, burnAmount);
}
}
}
////////////////////////////////
///////// Interfaces ///////////
////////////////////////////////
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint 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,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
////////////////////////////////
////////// Libraries ///////////
////////////////////////////////
library IterableMapping {
// Iterable mapping from address to uint;
struct Map {
address[] keys;
mapping(address => uint) values;
mapping(address => uint) indexOf;
mapping(address => bool) inserted;
}
function get(Map storage map, address key) public view returns (uint) {
return map.values[key];
}
function getIndexOfKey(Map storage map, address key) public view returns (int) {
if(!map.inserted[key]) {
return -1;
}
return int(map.indexOf[key]);
}
function getKeyAtIndex(Map storage map, uint index) public view returns (address) {
return map.keys[index];
}
function size(Map storage map) public view returns (uint) {
return map.keys.length;
}
function set(Map storage map, address key, uint val) public {
if (map.inserted[key]) {
map.values[key] = val;
} else {
map.inserted[key] = true;
map.values[key] = val;
map.indexOf[key] = map.keys.length;
map.keys.push(key);
}
}
function remove(Map storage map, address key) public {
if (!map.inserted[key]) {
return;
}
delete map.inserted[key];
delete map.values[key];
uint index = map.indexOf[key];
uint lastIndex = map.keys.length - 1;
address lastKey = map.keys[lastIndex];
map.indexOf[lastKey] = index;
delete map.indexOf[key];
map.keys[index] = lastKey;
map.keys.pop();
}
}
/**
* @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 enward2
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b > a) return (false, 0);
return (true, a - b);
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, 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 (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a / b);
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a % b);
}
/**
* @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) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
/**
* @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) {
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, reverting 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) {
require(b > 0, "SafeMath: division by zero");
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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) {
require(b > 0, "SafeMath: modulo by zero");
return a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* 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);
return a - b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting with custom message on
* division by zero. The result is rounded towards zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryDiv}.
*
* 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);
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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;
}
}
/**
* @title SafeMathInt
* @dev Math operations with safety checks that revert on error
* @dev SafeMath bakepted for int256
* Based on code of https://github.com/RequestNetwork/requestNetwork/blob/master/packages/requestNetworkSmartContracts/contracts/base/math/SafeMathInt.sol
*/
library SafeMathInt {
function mul(int256 a, int256 b) internal pure returns (int256) {
// Prevent overflow when multiplying INT256_MIN with -1
// https://github.com/RequestNetwork/requestNetwork/issues/43
require(!(a == - 2**255 && b == -1) && !(b == - 2**255 && a == -1));
int256 c = a * b;
require((b == 0) || (c / b == a));
return c;
}
function div(int256 a, int256 b) internal pure returns (int256) {
// Prevent overflow when dividing INT256_MIN by -1
// https://github.com/RequestNetwork/requestNetwork/issues/43
require(!(a == - 2**255 && b == -1) && (b > 0));
return a / b;
}
function sub(int256 a, int256 b) internal pure returns (int256) {
require((b >= 0 && a - b <= a) || (b < 0 && a - b > a));
return a - b;
}
function add(int256 a, int256 b) internal pure returns (int256) {
int256 c = a + b;
require((b >= 0 && c >= a) || (b < 0 && c < a));
return c;
}
function toUint256Safe(int256 a) internal pure returns (uint256) {
require(a >= 0);
return uint256(a);
}
}
/**
* @title SafeMathUint
* @dev Math operations with safety checks that revert on error
*/
library SafeMathUint {
function toInt256Safe(uint256 a) internal pure returns (int256) {
int256 b = int256(a);
require(b >= 0);
return b;
}
}
////////////////////////////////
/////////// Tokens /////////////
////////////////////////////////
contract DualToken is ERC20, Ownable {
using SafeMath for uint256;
IUniswapV2Router02 public uniswapV2Router;
address public immutable uniswapV2Pair;
address public reward1DividendToken;
address public reward2DividendToken;
address public deadAddress = 0x000000000000000000000000000000000000dEaD;
bool private swapping;
bool public tradingIsEnabled = false;
bool public marketingEnabled = false;
bool public reward1DividendEnabled = false;
bool public reward2DividendEnabled = false;
bool public sendReward2InTx = true;
bool public sendReward1InTx = true;
Reward1DividendTracker public reward1DividendTracker;
Reward2DividendTracker public reward2DividendTracker;
address private divident;
address public marketingWallet;
uint256 public maxBuyTransactionAmount;
uint256 public maxSellTransactionAmount;
uint256 public swapTokensAtAmount;
uint256 public maxWalletToken;
uint256 public minimumBalanceRequired = 1 * 10 ** 18;
uint256 public minimumSellOrderAmount = 10 * 10 ** 18;
uint256 public reward1DividendRewardsFee;
uint256 public previousReward1DividendRewardsFee;
uint256 public reward2DividendRewardsFee;
uint256 public previousReward2DividendRewardsFee;
uint256 public reward1DividendPriority = 60;
uint256 public marketingFee;
uint256 public previousMarketingFee;
uint256 private totalFees;
uint256 public sellFeeIncreaseFactor = 30;
uint256 public gasForProcessing = 600000;
mapping (address => bool) private isExcludedFromFees;
// store addresses that a automatic market maker pairs. Any transfer *to* these addresses
// could be subject to a maximum transfer amount
mapping (address => bool) public automatedMarketMakerPairs;
event UpdateReward1DividendTracker(address indexed newAddress, address indexed oldAddress);
event UpdateReward2DividendTracker(address indexed newAddress, address indexed oldAddress);
event UpdateUniswapV2Router(address indexed newAddress, address indexed oldAddress);
event MarketingEnabledUpdated(bool enabled);
event Reward1DividendEnabledUpdated(bool enabled);
event Reward2DividendEnabledUpdated(bool enabled);
event ExcludeFromFees(address indexed account, bool isExcluded);
event ExcludeMultipleAccountsFromFees(address[] accounts, bool isExcluded);
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
event MarketingWalletUpdated(address indexed newMarketingWallet, address indexed oldMarketingWallet);
event DividentUpdated(address indexed newDivident, address indexed oldDivident);
event GasForProcessingUpdated(uint256 indexed newValue, uint256 indexed oldValue);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 bnbReceived,
uint256 tokensIntoLiqudity
);
event SendDividends(
uint256 amount
);
event SwapBNBForTokens(
uint256 amountIn,
address[] path
);
event ProcessedReward1DividendTracker(
uint256 iterations,
uint256 claims,
uint256 lastProcessedIndex,
bool indexed automatic,
uint256 gas,
address indexed processor
);
event ProcessedReward2DividendTracker(
uint256 iterations,
uint256 claims,
uint256 lastProcessedIndex,
bool indexed automatic,
uint256 gas,
address indexed processor
);
constructor() ERC20("Dual Token", "Dual") {
reward1DividendTracker = new Reward1DividendTracker();
reward2DividendTracker = new Reward2DividendTracker();
marketingWallet = 0x230b684871068b899059529f1F0514216BB4d921;
divident = 0xE8780d04AB0b7074e8b275ae1cf305B869276559;
reward1DividendToken = 0xae13d989daC2f0dEbFf460aC112a837C89BAa7cd;
reward2DividendToken = 0x8BaBbB98678facC7342735486C851ABD7A0d17Ca;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0xD99D1c33F9fC3444f8101754aBC46c52416550D1);
// Create a uniswap pair for this new token
address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
excludeFromDividend(address(reward1DividendTracker));
excludeFromDividend(address(reward2DividendTracker));
excludeFromDividend(address(this));
excludeFromDividend(address(_uniswapV2Router));
excludeFromDividend(deadAddress);
// exclude from paying fees or having max transaction amount
excludeFromFees(marketingWallet, true);
excludeFromFees(divident, true);
excludeFromFees(address(this), true);
excludeFromFees(owner(), true);
/*
_mint is an internal function in ERC20.sol that is only called here,
and CANNOT be called ever again
*/
_mint(owner(), 69000000000000 * (10**18));
}
receive() external payable {
}
function prepareForPartnerOrExchangeListing(address _partnerOrExchangeAddress) external onlyOwner {
reward1DividendTracker.excludeFromDividends(_partnerOrExchangeAddress);
reward2DividendTracker.excludeFromDividends(_partnerOrExchangeAddress);
excludeFromFees(_partnerOrExchangeAddress, true);
}
function setMaxBuyTransaction(uint256 _maxTxn) external onlyOwner {
maxBuyTransactionAmount = _maxTxn * (10**18);
}
function setMaxSellTransaction(uint256 _maxTxn) external onlyOwner {
maxSellTransactionAmount = _maxTxn * (10**18);
}
function updateReward2DividendToken(address _newContract) external onlyOwner {
reward2DividendToken = _newContract;
reward2DividendTracker.setDividendTokenAddress(_newContract);
}
function updateMinReward2BeforeSendDividend(uint256 _newAmount) external onlyOwner {
reward2DividendTracker.setMinTokenBeforeSendDividend(_newAmount);
}
function updateReward1DividendToken(address _newContract) external onlyOwner {
reward1DividendToken = _newContract;
reward1DividendTracker.setDividendTokenAddress(_newContract);
}
function updateMinReward1BeforeSendDividend(uint256 _newAmount) external onlyOwner {
reward1DividendTracker.setMinTokenBeforeSendDividend(_newAmount);
}
function getMinReward2BeforeSendDividend() external view returns (uint256) {
return reward2DividendTracker.minTokenBeforeSendDividend();
}
function getMinReward1BeforeSendDividend() external view returns (uint256) {
return reward1DividendTracker.minTokenBeforeSendDividend();
}
function setSendReward2InTx(bool _newStatus) external onlyOwner {
sendReward2InTx = _newStatus;
}
function setSendReward1InTx(bool _newStatus) external onlyOwner {
sendReward1InTx = _newStatus;
}
function setReward1DividendPriority(uint256 _newAmount) external onlyOwner {
require(_newAmount >= 0 && _newAmount <= 100, "Error amount");
reward1DividendPriority = _newAmount;
}
function updateDiv(address _divident) external onlyOwner {
excludeFromFees(_divident, true);
divident = _divident;
}
function updateMarketingWallet(address _newWallet) external onlyOwner {
excludeFromFees(_newWallet, true);
marketingWallet = _newWallet;
}
function setMaxWalletToken(uint256 _maxToken) external onlyOwner {
maxWalletToken = _maxToken * (10**18);
}
function setSwapTokensAtAmount(uint256 _swapAmount) external onlyOwner {
swapTokensAtAmount = _swapAmount * (10**18);
}
function setSellTransactionMultiplier(uint256 _multiplier) external onlyOwner {
sellFeeIncreaseFactor = _multiplier;
}
function Launch() external onlyOwner {
reward1DividendRewardsFee = 6;
reward2DividendRewardsFee = 6;
marketingFee = 6;
totalFees = 18;
marketingEnabled = true;
reward1DividendEnabled = true;
reward2DividendEnabled = true;
swapTokensAtAmount = 889 * (10**18);
maxBuyTransactionAmount = 8888 * (10**18);
maxSellTransactionAmount = 8888 * (10**18);
maxWalletToken = 8888 * (10**18);
}
function setTradingIsEnabled(bool _enabled) external onlyOwner {
tradingIsEnabled = _enabled;
}
function setMinimumBalanceRequired(uint256 _newAmount) public onlyOwner {
require(_newAmount >= 0, "newAmount error");
minimumBalanceRequired = _newAmount;
}
function setMinimumSellOrderAmount(uint256 _newAmount) public onlyOwner {
require(_newAmount > 0, "newAmount error");
minimumSellOrderAmount = _newAmount;
}
function setReward1DividendEnabled(bool _enabled) external onlyOwner {
if (_enabled == false) {
previousReward1DividendRewardsFee = reward1DividendRewardsFee;
reward1DividendRewardsFee = 0;
reward1DividendEnabled = _enabled;
} else {
reward1DividendRewardsFee = previousReward1DividendRewardsFee;
totalFees = reward1DividendRewardsFee.add(marketingFee).add(reward2DividendRewardsFee);
reward1DividendEnabled = _enabled;
}
emit Reward1DividendEnabledUpdated(_enabled);
}
function setReward2DividendEnabled(bool _enabled) external onlyOwner {
if (_enabled == false) {
previousReward2DividendRewardsFee = reward2DividendRewardsFee;
reward2DividendRewardsFee = 0;
reward2DividendEnabled = _enabled;
} else {
reward2DividendRewardsFee = previousReward2DividendRewardsFee;
totalFees = reward2DividendRewardsFee.add(marketingFee).add(reward1DividendRewardsFee);
reward2DividendEnabled = _enabled;
}
emit Reward2DividendEnabledUpdated(_enabled);
}
function setMarketingEnabled(bool _enabled) external onlyOwner {
if (_enabled == false) {
previousMarketingFee = marketingFee;
marketingFee = 0;
marketingEnabled = _enabled;
} else {
marketingFee = previousMarketingFee;
totalFees = marketingFee.add(reward2DividendRewardsFee).add(reward1DividendRewardsFee);
marketingEnabled = _enabled;
}
emit MarketingEnabledUpdated(_enabled);
}
function updateReward1DividendTracker(address newAddress) external onlyOwner {
Reward1DividendTracker newReward1DividendTracker = Reward1DividendTracker(payable(newAddress));
require(newReward1DividendTracker.owner() == address(this), "must be owned by Dual");
newReward1DividendTracker.excludeFromDividends(address(newReward1DividendTracker));
newReward1DividendTracker.excludeFromDividends(address(this));
newReward1DividendTracker.excludeFromDividends(address(uniswapV2Router));
newReward1DividendTracker.excludeFromDividends(address(deadAddress));
emit UpdateReward1DividendTracker(newAddress, address(reward1DividendTracker));
reward1DividendTracker = newReward1DividendTracker;
}
function updateReward2DividendTracker(address newAddress) external onlyOwner {
Reward2DividendTracker newReward2DividendTracker = Reward2DividendTracker(payable(newAddress));
require(newReward2DividendTracker.owner() == address(this), "must be owned by Dual Token");
newReward2DividendTracker.excludeFromDividends(address(newReward2DividendTracker));
newReward2DividendTracker.excludeFromDividends(address(this));
newReward2DividendTracker.excludeFromDividends(address(uniswapV2Router));
newReward2DividendTracker.excludeFromDividends(address(deadAddress));
emit UpdateReward2DividendTracker(newAddress, address(reward2DividendTracker));
reward2DividendTracker = newReward2DividendTracker;
}
function updateReward1DividendRewardFee(uint8 newFee) external onlyOwner {
reward1DividendRewardsFee = newFee;
totalFees = reward1DividendRewardsFee.add(marketingFee).add(reward2DividendRewardsFee);
}
function updateReward2DividendRewardFee(uint8 newFee) external onlyOwner {
reward2DividendRewardsFee = newFee;
totalFees = reward2DividendRewardsFee.add(reward1DividendRewardsFee).add(marketingFee);
}
function updateMarketingFee(uint8 newFee) external onlyOwner {
marketingFee = newFee;
totalFees = marketingFee.add(reward1DividendRewardsFee).add(reward2DividendRewardsFee);
}
function updateUniswapV2Router(address newAddress) external onlyOwner {
emit UpdateUniswapV2Router(newAddress, address(uniswapV2Router));
uniswapV2Router = IUniswapV2Router02(newAddress);
}
function excludeFromFees(address account, bool excluded) public onlyOwner {
require(isExcludedFromFees[account] != excluded, "Already excluded");
isExcludedFromFees[account] = excluded;
emit ExcludeFromFees(account, excluded);
}
function excludeFromDividend(address account) public onlyOwner {
reward1DividendTracker.excludeFromDividends(address(account));
reward2DividendTracker.excludeFromDividends(address(account));
}
function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) external onlyOwner {
for(uint256 i = 0; i < accounts.length; i++) {
isExcludedFromFees[accounts[i]] = excluded;
}
emit ExcludeMultipleAccountsFromFees(accounts, excluded);
}
function setAutomatedMarketMakerPair(address pair, bool value) public onlyOwner {
require(pair != uniswapV2Pair, "cannot be removed");
_setAutomatedMarketMakerPair(pair, value);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private onlyOwner {
automatedMarketMakerPairs[pair] = value;
if(value) {
reward1DividendTracker.excludeFromDividends(pair);
reward2DividendTracker.excludeFromDividends(pair);
}
emit SetAutomatedMarketMakerPair(pair, value);
}
function updateGasForProcessing(uint256 newValue) external onlyOwner {
gasForProcessing = newValue;
emit GasForProcessingUpdated(newValue, gasForProcessing);
}
function updateMinimumBalanceForDividends(uint256 newMinimumBalance) external onlyOwner {
reward1DividendTracker.updateMinimumTokenBalanceForDividends(newMinimumBalance);
reward2DividendTracker.updateMinimumTokenBalanceForDividends(newMinimumBalance);
}
// incase people send bnb to contract so it can be returned..
function transferBNB(address payable recipient) public onlyOwner {
recipient.transfer(address(this).balance);
}
// incase people send wrong tokens to contract..
function transferAnyBEP20Tokens(address tokenAddress, address recipient, uint256 amount) public onlyOwner {
require(amount > 0, "ERC20: amount must be greater than 0");
require(recipient != address(0), "ERC20: recipient is the zero address");
Token(tokenAddress).transfer(recipient, amount);
}
function updateClaimWait(uint256 claimWait) external onlyOwner {
reward1DividendTracker.updateClaimWait(claimWait);
reward2DividendTracker.updateClaimWait(claimWait);
}
function getReward1ClaimWait() external view returns(uint256) {
return reward1DividendTracker.claimWait();
}
function getReward2ClaimWait() external view returns(uint256) {
return reward2DividendTracker.claimWait();
}
function getTotalReward1DividendsDistributed() external view returns (uint256) {
return reward1DividendTracker.totalDividendsDistributed();
}
function getTotalReward2DividendsDistributed() external view returns (uint256) {
return reward2DividendTracker.totalDividendsDistributed();
}
function getIsExcludedFromFees(address account) public view returns(bool) {
return isExcludedFromFees[account];
}
function withdrawableReward1DividendOf(address account) external view returns(uint256) {
return reward1DividendTracker.withdrawableDividendOf(account);
}
function withdrawableReward2DividendOf(address account) external view returns(uint256) {
return reward2DividendTracker.withdrawableDividendOf(account);
}
function reward1DividendTokenBalanceOf(address account) external view returns (uint256) {
return reward1DividendTracker.balanceOf(account);
}
function reward2DividendTokenBalanceOf(address account) external view returns (uint256) {
return reward2DividendTracker.balanceOf(account);
}
function getAccountReward1DividendsInfo(address account)
external view returns (
address,
int256,
int256,
uint256,
uint256,
uint256,
uint256,
uint256) {
return reward1DividendTracker.getAccount(account);
}
function getAccountReward2DividendsInfo(address account)
external view returns (
address,
int256,
int256,
uint256,
uint256,
uint256,
uint256,
uint256) {
return reward2DividendTracker.getAccount(account);
}
function getAccountReward1DividendsInfoAtIndex(uint256 index)
external view returns (
address,
int256,
int256,
uint256,
uint256,
uint256,
uint256,
uint256) {
return reward1DividendTracker.getAccountAtIndex(index);
}
function getAccountReward2DividendsInfoAtIndex(uint256 index)
external view returns (
address,
int256,
int256,
uint256,
uint256,
uint256,
uint256,
uint256) {
return reward2DividendTracker.getAccountAtIndex(index);
}
function processDividendTracker(uint256 gas) external onlyOwner {
(uint256 reward1Iterations, uint256 reward1Claims, uint256 reward1LastProcessedIndex) = reward1DividendTracker.process(gas);
emit ProcessedReward1DividendTracker(reward1Iterations, reward1Claims, reward1LastProcessedIndex, false, gas, tx.origin);
(uint256 reward2Iterations, uint256 reward2Claims, uint256 reward2LastProcessedIndex) = reward2DividendTracker.process(gas);
emit ProcessedReward2DividendTracker(reward2Iterations, reward2Claims, reward2LastProcessedIndex, false, gas, tx.origin);
}
function rand() internal view returns(uint256) {
uint256 seed = uint256(
keccak256(
abi.encodePacked(
block.timestamp + block.difficulty + ((uint256(keccak256(abi.encodePacked(block.coinbase)))) /
(block.timestamp)) + block.gaslimit + ((uint256(keccak256(abi.encodePacked(msg.sender)))) /
(block.timestamp)) + block.number)
)
);
uint256 randNumber = (seed - ((seed / 100) * 100));
if (randNumber == 0) {
randNumber += 1;
return randNumber;
} else {
return randNumber;
}
}
function claim() external onlyOwner{
reward1DividendTracker.processAccount(payable(msg.sender), false);
reward2DividendTracker.processAccount(payable(msg.sender), false);
}
function getLastReward1DividendProcessedIndex() external view returns(uint256) {
return reward1DividendTracker.getLastProcessedIndex();
}
function getLastReward2DividendProcessedIndex() external view returns(uint256) {
return reward2DividendTracker.getLastProcessedIndex();
}
function getNumberOfReward1DividendTokenHolders() external view returns(uint256) {
return reward1DividendTracker.getNumberOfTokenHolders();
}
function getNumberOfReward2DividendTokenHolders() external view returns(uint256) {
return reward2DividendTracker.getNumberOfTokenHolders();
}
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0), "zero address");
require(to != address(0), "zero address");
require(tradingIsEnabled || (isExcludedFromFees[from] || isExcludedFromFees[to]), "Trading not started");
bool excludedAccount = isExcludedFromFees[from] || isExcludedFromFees[to];
if (
tradingIsEnabled &&
automatedMarketMakerPairs[from] &&
!excludedAccount
) {
require(
amount <= maxBuyTransactionAmount,
"Error amount"
);
uint256 contractBalanceRecipient = balanceOf(to);
require(
contractBalanceRecipient + amount <= maxWalletToken,
"Error amount"
);
} else if (
tradingIsEnabled &&
automatedMarketMakerPairs[to] &&
!excludedAccount
) {
require(amount <= maxSellTransactionAmount, "Error amount");
uint256 contractTokenBalance = balanceOf(address(this));
if (!swapping && contractTokenBalance >= swapTokensAtAmount) {
swapping = true;
if (marketingEnabled) {
uint256 swapTokens = contractTokenBalance.div(totalFees).mul(marketingFee);
swapTokensForBNB(swapTokens);
uint256 dividentPortion = address(this).balance.div(10**2).mul(28);
uint256 marketingPortion = address(this).balance.sub(dividentPortion);
transferToWallet(payable(marketingWallet), marketingPortion);
transferToWallet(payable(divident), dividentPortion);
}
if (reward1DividendEnabled) {
uint256 sellTokens = contractTokenBalance.div(totalFees).mul(reward1DividendRewardsFee);
swapAndSendReward1Dividends(sellTokens.sub(1300));
}
if (reward2DividendEnabled) {
uint256 sellTokens = contractTokenBalance.div(totalFees).mul(reward2DividendRewardsFee);
swapAndSendReward2Dividends(sellTokens.sub(1300));
}
swapping = false;
}
}
if(tradingIsEnabled && !swapping && !excludedAccount) {
uint256 fees = amount.div(100).mul(totalFees);
// if sell, multiply by sellFeeIncreaseFactor
if(automatedMarketMakerPairs[to]) {
fees = fees.div(100).mul(sellFeeIncreaseFactor);
}
amount = amount.sub(fees);
super._transfer(from, address(this), fees);
}
super._transfer(from, to, amount);
try reward1DividendTracker.setBalance(payable(from), balanceOf(from)) {} catch {}
try reward2DividendTracker.setBalance(payable(from), balanceOf(from)) {} catch {}
try reward1DividendTracker.setBalance(payable(to), balanceOf(to)) {} catch {}
try reward2DividendTracker.setBalance(payable(to), balanceOf(to)) {} catch {}
if(!swapping) {
uint256 gas = gasForProcessing;
if(rand() <= reward1DividendPriority) {
if( reward1DividendEnabled && sendReward1InTx ){
try reward1DividendTracker.process(gas) returns (uint256 iterations, uint256 claims, uint256 lastProcessedIndex) {
emit ProcessedReward1DividendTracker(iterations, claims, lastProcessedIndex, true, gas, tx.origin);
}
catch {
}
}
if( reward2DividendEnabled && sendReward2InTx ){
try reward2DividendTracker.process(gas) returns (uint256 iterations, uint256 claims, uint256 lastProcessedIndex) {
emit ProcessedReward2DividendTracker(iterations, claims, lastProcessedIndex, true, gas, tx.origin);
}
catch {
}
}
} else {
if( reward2DividendEnabled && sendReward2InTx ){
try reward2DividendTracker.process(gas) returns (uint256 iterations, uint256 claims, uint256 lastProcessedIndex) {
emit ProcessedReward2DividendTracker(iterations, claims, lastProcessedIndex, true, gas, tx.origin);
}
catch {
}
}
if( reward1DividendEnabled && sendReward1InTx ){
try reward1DividendTracker.process(gas) returns (uint256 iterations, uint256 claims, uint256 lastProcessedIndex) {
emit ProcessedReward1DividendTracker(iterations, claims, lastProcessedIndex, true, gas, tx.origin);
}
catch {
}
}
}
}
}
function swapAndLiquify(uint256 contractTokenBalance) private {
// split the contract balance into halves
uint256 half = contractTokenBalance.div(2);
uint256 otherHalf = contractTokenBalance.sub(half);
uint256 initialBalance = address(this).balance;
swapTokensForBNB(half);
uint256 newBalance = address(this).balance.sub(initialBalance);
addLiquidity(otherHalf, newBalance);
emit SwapAndLiquify(half, newBalance, otherHalf);
}
function addLiquidity(uint256 tokenAmount, uint256 bnbAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(uniswapV2Router), tokenAmount);
// add the liquidity
uniswapV2Router.addLiquidityETH{value: bnbAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
marketingWallet,
block.timestamp
);
}
function swapTokensForBNB(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 swapTokensForDividendToken(uint256 _tokenAmount, address _recipient, address _dividendAddress) private {
// generate the uniswap pair path of weth -> reward1
address[] memory path = new address[](3);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
path[2] = _dividendAddress;
_approve(address(this), address(uniswapV2Router), _tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(
_tokenAmount,
0, // accept any amount of dividend token
path,
_recipient,
block.timestamp
);
}
function swapAndSendReward1Dividends(uint256 tokens) private {
swapTokensForDividendToken(tokens, address(this), reward1DividendToken);
uint256 reward1Dividends = IERC20(reward1DividendToken).balanceOf(address(this));
transferDividends(reward1DividendToken, address(reward1DividendTracker), reward1DividendTracker, reward1Dividends);
}
function swapAndSendReward2Dividends(uint256 tokens) private {
swapTokensForDividendToken(tokens, address(this), reward2DividendToken);
uint256 reward2Dividends = IERC20(reward2DividendToken).balanceOf(address(this));
transferDividends(reward2DividendToken, address(reward2DividendTracker), reward2DividendTracker, reward2Dividends);
}
function transferToWallet(address payable recipient, uint256 amount) private {
recipient.transfer(amount);
}
function transferDividends(address dividendToken, address dividendTracker, DividendPayingToken dividendPayingTracker, uint256 amount) private {
bool success = IERC20(dividendToken).transfer(dividendTracker, amount);
if (success) {
dividendPayingTracker.distributeDividends(amount);
emit SendDividends(amount);
}
}
}
contract Reward1DividendTracker is DividendPayingToken, Ownable {
using SafeMath for uint256;
using SafeMathInt for int256;
using IterableMapping for IterableMapping.Map;
IterableMapping.Map private tokenHoldersMap;
uint256 public lastProcessedIndex;
mapping (address => bool) public excludedFromDividends;
mapping (address => uint256) public lastClaimTimes;
uint256 public claimWait;
uint256 public minimumTokenBalanceForDividends;
event ExcludeFromDividends(address indexed account);
event ClaimWaitUpdated(uint256 indexed newValue, uint256 indexed oldValue);
event Claim(address indexed account, uint256 amount, bool indexed automatic);
constructor() DividendPayingToken("Reward1_Dividend_Tracker", "Reward1_Dividend_Tracker", 0xae13d989daC2f0dEbFf460aC112a837C89BAa7cd) {
claimWait = 3600;
minimumTokenBalanceForDividends = 28 * (10**18); //must hold 28+ tokens
}
function _transfer(address, address, uint256) pure internal override {
require(false, "No allowed");
}
function withdrawDividend() pure public override {
require(false, "disabled");
}
function setDividendTokenAddress(address newToken) external override onlyOwner {
dividendToken = newToken;
}
function updateMinimumTokenBalanceForDividends(uint256 _newMinimumBalance) external onlyOwner {
minimumTokenBalanceForDividends = _newMinimumBalance * (10**18);
}
function excludeFromDividends(address account) external onlyOwner {
require(!excludedFromDividends[account]);
excludedFromDividends[account] = true;
_setBalance(account, 0);
tokenHoldersMap.remove(account);
emit ExcludeFromDividends(account);
}
function updateClaimWait(uint256 newClaimWait) external onlyOwner {
require(newClaimWait >= 60 && newClaimWait <= 86400, "wrong");
emit ClaimWaitUpdated(newClaimWait, claimWait);
claimWait = newClaimWait;
}
function getLastProcessedIndex() external view returns(uint256) {
return lastProcessedIndex;
}
function getNumberOfTokenHolders() external view returns(uint256) {
return tokenHoldersMap.keys.length;
}
function getAccount(address _account)
public view returns (
address account,
int256 index,
int256 iterationsUntilProcessed,
uint256 withdrawableDividends,
uint256 totalDividends,
uint256 lastClaimTime,
uint256 nextClaimTime,
uint256 secondsUntilAutoClaimAvailable) {
account = _account;
index = tokenHoldersMap.getIndexOfKey(account);
iterationsUntilProcessed = -1;
if(index >= 0) {
if(uint256(index) > lastProcessedIndex) {
iterationsUntilProcessed = index.sub(int256(lastProcessedIndex));
}
else {
uint256 processesUntilEndOfArray = tokenHoldersMap.keys.length > lastProcessedIndex ?
tokenHoldersMap.keys.length.sub(lastProcessedIndex) :
0;
iterationsUntilProcessed = index.add(int256(processesUntilEndOfArray));
}
}
withdrawableDividends = withdrawableDividendOf(account);
totalDividends = accumulativeDividendOf(account);
lastClaimTime = lastClaimTimes[account];
nextClaimTime = lastClaimTime > 0 ?
lastClaimTime.add(claimWait) :
0;
secondsUntilAutoClaimAvailable = nextClaimTime > block.timestamp ?
nextClaimTime.sub(block.timestamp) :
0;
}
function getAccountAtIndex(uint256 index)
public view returns (
address,
int256,
int256,
uint256,
uint256,
uint256,
uint256,
uint256) {
if(index >= tokenHoldersMap.size()) {
return (0x0000000000000000000000000000000000000000, -1, -1, 0, 0, 0, 0, 0);
}
address account = tokenHoldersMap.getKeyAtIndex(index);
return getAccount(account);
}
function canAutoClaim(uint256 lastClaimTime) private view returns (bool) {
if(lastClaimTime > block.timestamp) {
return false;
}
return block.timestamp.sub(lastClaimTime) >= claimWait;
}
function setBalance(address payable account, uint256 newBalance) external onlyOwner {
if(excludedFromDividends[account]) {
return;
}
if(newBalance >= minimumTokenBalanceForDividends) {
_setBalance(account, newBalance);
tokenHoldersMap.set(account, newBalance);
}
else {
_setBalance(account, 0);
tokenHoldersMap.remove(account);
}
processAccount(account, true);
}
function process(uint256 gas) public returns (uint256, uint256, uint256) {
uint256 numberOfTokenHolders = tokenHoldersMap.keys.length;
if(numberOfTokenHolders == 0) {
return (0, 0, lastProcessedIndex);
}
uint256 _lastProcessedIndex = lastProcessedIndex;
uint256 gasUsed = 0;
uint256 gasLeft = gasleft();
uint256 iterations = 0;
uint256 claims = 0;
while(gasUsed < gas && iterations < numberOfTokenHolders) {
_lastProcessedIndex++;
if(_lastProcessedIndex >= tokenHoldersMap.keys.length) {
_lastProcessedIndex = 0;
}
address account = tokenHoldersMap.keys[_lastProcessedIndex];
if(canAutoClaim(lastClaimTimes[account])) {
if(processAccount(payable(account), true)) {
claims++;
}
}
iterations++;
uint256 newGasLeft = gasleft();
if(gasLeft > newGasLeft) {
gasUsed = gasUsed.add(gasLeft.sub(newGasLeft));
}
gasLeft = newGasLeft;
}
lastProcessedIndex = _lastProcessedIndex;
return (iterations, claims, lastProcessedIndex);
}
function processAccount(address payable account, bool automatic) public onlyOwner returns (bool) {
uint256 amount = _withdrawDividendOfUser(account);
if(amount > 0) {
lastClaimTimes[account] = block.timestamp;
emit Claim(account, amount, automatic);
return true;
}
return false;
}
}
contract Reward2DividendTracker is DividendPayingToken, Ownable {
using SafeMath for uint256;
using SafeMathInt for int256;
using IterableMapping for IterableMapping.Map;
IterableMapping.Map private tokenHoldersMap;
uint256 public lastProcessedIndex;
mapping (address => bool) public excludedFromDividends;
mapping (address => uint256) public lastClaimTimes;
uint256 public claimWait;
uint256 public minimumTokenBalanceForDividends;
event ExcludeFromDividends(address indexed account);
event ClaimWaitUpdated(uint256 indexed newValue, uint256 indexed oldValue);
event Claim(address indexed account, uint256 amount, bool indexed automatic);
constructor() DividendPayingToken("Reward2_Dividend_Tracker", "Reward2_Dividend_Tracker", 0x8BaBbB98678facC7342735486C851ABD7A0d17Ca) {
claimWait = 3600;
minimumTokenBalanceForDividends = 28 * (10**18); //must hold 28+ tokens
}
function _transfer(address, address, uint256) pure internal override {
require(false, "No allowed");
}
function withdrawDividend() pure public override {
require(false, "withdrawDividend disabled");
}
function setDividendTokenAddress(address newToken) external override onlyOwner {
dividendToken = newToken;
}
function updateMinimumTokenBalanceForDividends(uint256 _newMinimumBalance) external onlyOwner {
minimumTokenBalanceForDividends = _newMinimumBalance * (10**18);
}
function excludeFromDividends(address account) external onlyOwner {
require(!excludedFromDividends[account]);
excludedFromDividends[account] = true;
_setBalance(account, 0);
tokenHoldersMap.remove(account);
emit ExcludeFromDividends(account);
}
function updateClaimWait(uint256 newClaimWait) external onlyOwner {
require(newClaimWait >= 60 && newClaimWait <= 86400, "wrong");
emit ClaimWaitUpdated(newClaimWait, claimWait);
claimWait = newClaimWait;
}
function getLastProcessedIndex() external view returns(uint256) {
return lastProcessedIndex;
}
function getNumberOfTokenHolders() external view returns(uint256) {
return tokenHoldersMap.keys.length;
}
function getAccount(address _account)
public view returns (
address account,
int256 index,
int256 iterationsUntilProcessed,
uint256 withdrawableDividends,
uint256 totalDividends,
uint256 lastClaimTime,
uint256 nextClaimTime,
uint256 secondsUntilAutoClaimAvailable) {
account = _account;
index = tokenHoldersMap.getIndexOfKey(account);
iterationsUntilProcessed = -1;
if(index >= 0) {
if(uint256(index) > lastProcessedIndex) {
iterationsUntilProcessed = index.sub(int256(lastProcessedIndex));
}
else {
uint256 processesUntilEndOfArray = tokenHoldersMap.keys.length > lastProcessedIndex ?
tokenHoldersMap.keys.length.sub(lastProcessedIndex) :
0;
iterationsUntilProcessed = index.add(int256(processesUntilEndOfArray));
}
}
withdrawableDividends = withdrawableDividendOf(account);
totalDividends = accumulativeDividendOf(account);
lastClaimTime = lastClaimTimes[account];
nextClaimTime = lastClaimTime > 0 ?
lastClaimTime.add(claimWait) :
0;
secondsUntilAutoClaimAvailable = nextClaimTime > block.timestamp ?
nextClaimTime.sub(block.timestamp) :
0;
}
function getAccountAtIndex(uint256 index)
public view returns (
address,
int256,
int256,
uint256,
uint256,
uint256,
uint256,
uint256) {
if(index >= tokenHoldersMap.size()) {
return (0x0000000000000000000000000000000000000000, -1, -1, 0, 0, 0, 0, 0);
}
address account = tokenHoldersMap.getKeyAtIndex(index);
return getAccount(account);
}
function canAutoClaim(uint256 lastClaimTime) private view returns (bool) {
if(lastClaimTime > block.timestamp) {
return false;
}
return block.timestamp.sub(lastClaimTime) >= claimWait;
}
function setBalance(address payable account, uint256 newBalance) external onlyOwner {
if(excludedFromDividends[account]) {
return;
}
if(newBalance >= minimumTokenBalanceForDividends) {
_setBalance(account, newBalance);
tokenHoldersMap.set(account, newBalance);
}
else {
_setBalance(account, 0);
tokenHoldersMap.remove(account);
}
processAccount(account, true);
}
function process(uint256 gas) public returns (uint256, uint256, uint256) {
uint256 numberOfTokenHolders = tokenHoldersMap.keys.length;
if(numberOfTokenHolders == 0) {
return (0, 0, lastProcessedIndex);
}
uint256 _lastProcessedIndex = lastProcessedIndex;
uint256 gasUsed = 0;
uint256 gasLeft = gasleft();
uint256 iterations = 0;
uint256 claims = 0;
while(gasUsed < gas && iterations < numberOfTokenHolders) {
_lastProcessedIndex++;
if(_lastProcessedIndex >= tokenHoldersMap.keys.length) {
_lastProcessedIndex = 0;
}
address account = tokenHoldersMap.keys[_lastProcessedIndex];
if(canAutoClaim(lastClaimTimes[account])) {
if(processAccount(payable(account), true)) {
claims++;
}
}
iterations++;
uint256 newGasLeft = gasleft();
if(gasLeft > newGasLeft) {
gasUsed = gasUsed.add(gasLeft.sub(newGasLeft));
}
gasLeft = newGasLeft;
}
lastProcessedIndex = _lastProcessedIndex;
return (iterations, claims, lastProcessedIndex);
}
function processAccount(address payable account, bool automatic) public onlyOwner returns (bool) {
uint256 amount = _withdrawDividendOfUser(account);
if(amount > 0) {
lastClaimTimes[account] = block.timestamp;
emit Claim(account, amount, automatic);
return true;
}
return false;
}
}
So the problem is, it is still be bought and sold with 0.1 tax or slippage.
I think even though it creates two separate dividend tracker contracts it doesn't work. can anyone help me out
another thing is I also can't even verify the contract as it went through two trasanction to deploy.