文件 1 的 1：BABYTOKEN.sol
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
}
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
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 _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
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");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
library SafeERC20 {
using Address for address;
function safeTransfer(
IERC20 token,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(
IERC20 token,
address from,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(
IERC20 token,
address spender,
uint256 value
) internal {
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
uint256 newAllowance = token.allowance(address(this), spender) + value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
uint256 newAllowance = oldAllowance - value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
}
function _callOptionalReturn(IERC20 token, bytes memory data) private {
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_setOwner(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_setOwner(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
library SafeMath {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
library Clones {
function clone(address implementation) internal returns (address instance) {
assembly {
let ptr := mload(0x40)
mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(ptr, 0x14), shl(0x60, implementation))
mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
instance := create(0, ptr, 0x37)
}
require(instance != address(0), "ERC1167: create failed");
}
function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) {
assembly {
let ptr := mload(0x40)
mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(ptr, 0x14), shl(0x60, implementation))
mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
instance := create2(0, ptr, 0x37, salt)
}
require(instance != address(0), "ERC1167: create2 failed");
}
function predictDeterministicAddress(
address implementation,
bytes32 salt,
address deployer
) internal pure returns (address predicted) {
assembly {
let ptr := mload(0x40)
mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(ptr, 0x14), shl(0x60, implementation))
mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000)
mstore(add(ptr, 0x38), shl(0x60, deployer))
mstore(add(ptr, 0x4c), salt)
mstore(add(ptr, 0x6c), keccak256(ptr, 0x37))
predicted := keccak256(add(ptr, 0x37), 0x55)
}
}
function predictDeterministicAddress(address implementation, bytes32 salt)
internal
view
returns (address predicted)
{
return predictDeterministicAddress(implementation, salt, address(this));
}
}
library SafeERC20NoRevert {
function safeTransfer(
IERC20 token,
address to,
uint256 value
) internal returns (bool) {
(bool success, bytes memory returndata) = address(token).call(
abi.encodeWithSelector(token.transfer.selector, to, value)
);
return
success &&
(returndata.length == 0 || abi.decode(returndata, (bool))) &&
address(token).code.length > 0;
}
}
interface IUniswapV2Factory {
event PairCreated(
address indexed token0,
address indexed token1,
address pair,
uint256
);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB)
external
view
returns (address pair);
function allPairs(uint256) external view returns (address pair);
function allPairsLength() external view returns (uint256);
function createPair(address tokenA, address tokenB)
external
returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
)
external
returns (
uint256 amountA,
uint256 amountB,
uint256 liquidity
);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
function removeLiquidity(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
) external returns (uint256 amountA, uint256 amountB);
function removeLiquidityETH(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountToken, uint256 amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountA, uint256 amountB);
function removeLiquidityETHWithPermit(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountToken, uint256 amountETH);
function swapExactTokensForTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapTokensForExactTokens(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapExactETHForTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);
function swapTokensForExactETH(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapExactTokensForETH(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapETHForExactTokens(
uint256 amountOut,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);
function quote(
uint256 amountA,
uint256 reserveA,
uint256 reserveB
) external pure returns (uint256 amountB);
function getAmountOut(
uint256 amountIn,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountOut);
function getAmountIn(
uint256 amountOut,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountIn);
function getAmountsOut(uint256 amountIn, address[] calldata path)
external
view
returns (uint256[] memory amounts);
function getAmountsIn(uint256 amountOut, address[] calldata path)
external
view
returns (uint256[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
interface IERC20Upgradeable {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface IERC20MetadataUpgradeable is IERC20Upgradeable {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
abstract contract Initializable {
bool private _initialized;
bool private _initializing;
modifier initializer() {
require(_initializing || !_initialized, "Initializable: contract is already initialized");
bool isTopLevelCall = !_initializing;
if (isTopLevelCall) {
_initializing = true;
_initialized = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
}
}
}
abstract contract ContextUpgradeable is Initializable {
function __Context_init() internal initializer {
__Context_init_unchained();
}
function __Context_init_unchained() internal initializer {
}
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
uint256[50] private __gap;
}
contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20Upgradeable, IERC20MetadataUpgradeable {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
function __ERC20_init(string memory name_, string memory symbol_) internal initializer {
__Context_init_unchained();
__ERC20_init_unchained(name_, symbol_);
}
function __ERC20_init_unchained(string memory name_, string memory symbol_) internal initializer {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
}
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
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 _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
uint256[45] private __gap;
}
abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function __Ownable_init() internal initializer {
__Context_init_unchained();
__Ownable_init_unchained();
}
function __Ownable_init_unchained() internal initializer {
_setOwner(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_setOwner(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
uint256[49] private __gap;
}
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;
}
library SafeMathInt {
int256 private constant MIN_INT256 = int256(1) << 255;
int256 private constant MAX_INT256 = ~(int256(1) << 255);
function mul(int256 a, int256 b) internal pure returns (int256) {
int256 c = a * b;
require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
require((b == 0) || (c / b == a));
return c;
}
function div(int256 a, int256 b) internal pure returns (int256) {
require(b != -1 || a != MIN_INT256);
return a / b;
}
function sub(int256 a, int256 b) internal pure returns (int256) {
int256 c = a - b;
require((b >= 0 && c <= a) || (b < 0 && c > a));
return c;
}
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 abs(int256 a) internal pure returns (int256) {
require(a != MIN_INT256);
return a < 0 ? -a : a;
}
function toUint256Safe(int256 a) internal pure returns (uint256) {
require(a >= 0);
return uint256(a);
}
}
library SafeMathUint {
function toInt256Safe(uint256 a) internal pure returns (int256) {
int256 b = int256(a);
require(b >= 0);
return b;
}
}
library IterableMapping {
struct Map {
address[] keys;
mapping(address => uint256) values;
mapping(address => uint256) indexOf;
mapping(address => bool) inserted;
}
function get(Map storage map, address key) public view returns (uint256) {
return map.values[key];
}
function getIndexOfKey(Map storage map, address key)
public
view
returns (int256)
{
if (!map.inserted[key]) {
return -1;
}
return int256(map.indexOf[key]);
}
function getKeyAtIndex(Map storage map, uint256 index)
public
view
returns (address)
{
return map.keys[index];
}
function size(Map storage map) public view returns (uint256) {
return map.keys.length;
}
function set(
Map storage map,
address key,
uint256 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];
uint256 index = map.indexOf[key];
uint256 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();
}
}
interface DividendPayingTokenInterface {
function dividendOf(address _owner) external view returns (uint256);
function withdrawDividend() external;
event DividendsDistributed(address indexed from, uint256 weiAmount);
event DividendWithdrawn(address indexed to, uint256 weiAmount);
}
interface DividendPayingTokenOptionalInterface {
function withdrawableDividendOf(address _owner)
external
view
returns (uint256);
function withdrawnDividendOf(address _owner)
external
view
returns (uint256);
function accumulativeDividendOf(address _owner)
external
view
returns (uint256);
}
contract DividendPayingToken is
ERC20Upgradeable,
OwnableUpgradeable,
DividendPayingTokenInterface,
DividendPayingTokenOptionalInterface
{
using SafeMath for uint256;
using SafeMathUint for uint256;
using SafeMathInt for int256;
address public rewardToken;
uint256 internal constant magnitude = 2**128;
uint256 internal magnifiedDividendPerShare;
mapping(address => int256) internal magnifiedDividendCorrections;
mapping(address => uint256) internal withdrawnDividends;
uint256 public totalDividendsDistributed;
function __DividendPayingToken_init(
address _rewardToken,
string memory _name,
string memory _symbol
) internal initializer {
__Ownable_init();
__ERC20_init(_name, _symbol);
rewardToken = _rewardToken;
}
function distributeCAKEDividends(uint256 amount) public onlyOwner {
require(totalSupply() > 0);
if (amount > 0) {
magnifiedDividendPerShare = magnifiedDividendPerShare.add(
(amount).mul(magnitude) / totalSupply()
);
emit DividendsDistributed(msg.sender, amount);
totalDividendsDistributed = totalDividendsDistributed.add(amount);
}
}
function withdrawDividend() public virtual override {
_withdrawDividendOfUser(payable(msg.sender));
}
function _withdrawDividendOfUser(address payable user)
internal
returns (uint256)
{
uint256 _withdrawableDividend = withdrawableDividendOf(user);
if (_withdrawableDividend > 0) {
withdrawnDividends[user] = withdrawnDividends[user].add(
_withdrawableDividend
);
emit DividendWithdrawn(user, _withdrawableDividend);
bool success = SafeERC20NoRevert.safeTransfer(
IERC20(rewardToken),
user,
_withdrawableDividend
);
if (!success) {
withdrawnDividends[user] = withdrawnDividends[user].sub(
_withdrawableDividend
);
return 0;
}
return _withdrawableDividend;
}
return 0;
}
function dividendOf(address _owner) public view override returns (uint256) {
return withdrawableDividendOf(_owner);
}
function withdrawableDividendOf(address _owner)
public
view
override
returns (uint256)
{
return accumulativeDividendOf(_owner).sub(withdrawnDividends[_owner]);
}
function withdrawnDividendOf(address _owner)
public
view
override
returns (uint256)
{
return withdrawnDividends[_owner];
}
function accumulativeDividendOf(address _owner)
public
view
override
returns (uint256)
{
return
magnifiedDividendPerShare
.mul(balanceOf(_owner))
.toInt256Safe()
.add(magnifiedDividendCorrections[_owner])
.toUint256Safe() / magnitude;
}
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
);
}
function _mint(address account, uint256 value) internal override {
super._mint(account, value);
magnifiedDividendCorrections[account] = magnifiedDividendCorrections[
account
].sub((magnifiedDividendPerShare.mul(value)).toInt256Safe());
}
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);
}
}
}
contract BABYTOKENDividendTracker is OwnableUpgradeable, DividendPayingToken {
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
);
function initialize(
address rewardToken_,
uint256 minimumTokenBalanceForDividends_
) external initializer {
DividendPayingToken.__DividendPayingToken_init(
rewardToken_,
"DIVIDEND_TRACKER",
"DIVIDEND_TRACKER"
);
claimWait = 3600;
minimumTokenBalanceForDividends = minimumTokenBalanceForDividends_;
}
function _transfer(
address,
address,
uint256
) internal pure override {
require(false, "Dividend_Tracker: No transfers allowed");
}
function withdrawDividend() public pure override {
require(
false,
"Dividend_Tracker: withdrawDividend disabled. Use the 'claim' function on the main BABYTOKEN contract."
);
}
function excludeFromDividends(address account) external onlyOwner {
require(!excludedFromDividends[account]);
excludedFromDividends[account] = true;
_setBalance(account, 0);
tokenHoldersMap.remove(account);
emit ExcludeFromDividends(account);
}
function isExcludedFromDividends(address account)
public
view
returns (bool)
{
return excludedFromDividends[account];
}
function updateClaimWait(uint256 newClaimWait) external onlyOwner {
require(
newClaimWait >= 3600 && newClaimWait <= 86400,
"Dividend_Tracker: claimWait must be updated to between 1 and 24 hours"
);
require(
newClaimWait != claimWait,
"Dividend_Tracker: Cannot update claimWait to same value"
);
emit ClaimWaitUpdated(newClaimWait, claimWait);
claimWait = newClaimWait;
}
function updateMinimumTokenBalanceForDividends(uint256 amount)
external
onlyOwner
{
minimumTokenBalanceForDividends = amount;
}
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 (address(0), -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;
}
}
enum TokenType {
standard,
antiBotStandard,
liquidityGenerator,
antiBotLiquidityGenerator,
baby,
antiBotBaby,
buybackBaby,
antiBotBuybackBaby
}
abstract contract BaseToken {
event TokenCreated(
address indexed owner,
address indexed token,
TokenType tokenType,
uint256 version
);
}
pragma solidity =0.8.4;
contract BABYTOKEN is ERC20, Ownable, BaseToken {
using SafeMath for uint256;
using Address for address;
using Address for address payable;
using SafeERC20 for IERC20;
uint256 public constant VERSION = 6;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
bool private swapping;
BABYTOKENDividendTracker public dividendTracker;
address public rewardToken;
uint256 public swapTokensAtAmount;
uint256 public tokenRewardsFee;
uint256 public liquidityFee;
uint256 public marketingFee;
uint256 public totalFees;
address public _marketingWalletAddress;
uint256 public gasForProcessing;
mapping(address => bool) private _isExcludedFromFees;
mapping(address => bool) public automatedMarketMakerPairs;
event ExcludeFromFees(address indexed account);
event ExcludeMultipleAccountsFromFees(address[] accounts);
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
event GasForProcessingUpdated(
uint256 indexed newValue,
uint256 indexed oldValue
);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
event SendDividends(uint256 tokensSwapped, uint256 amount);
event SendDividendsReverted(uint256 tokensSwapped, uint256 amount);
event ProcessedDividendTracker(
uint256 iterations,
uint256 claims,
uint256 lastProcessedIndex,
bool indexed automatic,
uint256 gas,
address indexed processor
);
constructor(
string memory name_,
string memory symbol_,
uint256 totalSupply_,
address[4] memory addrs,
uint256[3] memory feeSettings,
uint256 minimumTokenBalanceForDividends_,
address serviceFeeReceiver_,
uint256 serviceFee_
) payable ERC20(name_, symbol_) {
rewardToken = addrs[0];
_marketingWalletAddress = addrs[2];
require(
msg.sender != _marketingWalletAddress,
"Owner and marketing wallet cannot be the same"
);
require(
!_marketingWalletAddress.isContract(),
"Marketing wallet cannot be a contract"
);
tokenRewardsFee = feeSettings[0];
liquidityFee = feeSettings[1];
marketingFee = feeSettings[2];
totalFees = tokenRewardsFee.add(liquidityFee).add(marketingFee);
require(totalFees <= 25, "Total fee is over 25%");
swapTokensAtAmount = totalSupply_.div(1000);
gasForProcessing = 300000;
dividendTracker = BABYTOKENDividendTracker(
payable(Clones.clone(addrs[3]))
);
dividendTracker.initialize(
rewardToken,
minimumTokenBalanceForDividends_
);
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(addrs[1]);
address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
dividendTracker.excludeFromDividends(address(dividendTracker));
dividendTracker.excludeFromDividends(address(this));
dividendTracker.excludeFromDividends(owner());
dividendTracker.excludeFromDividends(address(0xdead));
dividendTracker.excludeFromDividends(address(_uniswapV2Router));
_isExcludedFromFees[owner()] = true;
_isExcludedFromFees[_marketingWalletAddress] = true;
_isExcludedFromFees[address(this)] = true;
_mint(owner(), totalSupply_);
emit TokenCreated(owner(), address(this), TokenType.baby, VERSION);
payable(serviceFeeReceiver_).transfer(serviceFee_);
}
receive() external payable {}
function setSwapTokensAtAmount(uint256 amount) external onlyOwner {
require(
amount > totalSupply() / 10 ** 5,
"BABYTOKEN: Amount must be greater than 0.001% of total supply"
);
swapTokensAtAmount = amount;
}
function excludeFromFees(address account) external onlyOwner {
require(
!_isExcludedFromFees[account],
"BABYTOKEN: Account is already excluded"
);
_isExcludedFromFees[account] = true;
emit ExcludeFromFees(account);
}
function excludeMultipleAccountsFromFees(
address[] calldata accounts
) external onlyOwner {
for (uint256 i = 0; i < accounts.length; i++) {
_isExcludedFromFees[accounts[i]] = true;
}
emit ExcludeMultipleAccountsFromFees(accounts);
}
function setMarketingWallet(address payable wallet) external onlyOwner {
require(
wallet != address(0),
"BABYTOKEN: The marketing wallet cannot be the value of zero"
);
require(!wallet.isContract(), "Marketing wallet cannot be a contract");
_marketingWalletAddress = wallet;
}
function setTokenRewardsFee(uint256 value) external onlyOwner {
tokenRewardsFee = value;
totalFees = tokenRewardsFee.add(liquidityFee).add(marketingFee);
require(totalFees <= 25, "Total fee is over 25%");
}
function setLiquiditFee(uint256 value) external onlyOwner {
liquidityFee = value;
totalFees = tokenRewardsFee.add(liquidityFee).add(marketingFee);
require(totalFees <= 25, "Total fee is over 25%");
}
function setMarketingFee(uint256 value) external onlyOwner {
marketingFee = value;
totalFees = tokenRewardsFee.add(liquidityFee).add(marketingFee);
require(totalFees <= 25, "Total fee is over 25%");
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
require(
automatedMarketMakerPairs[pair] != value,
"BABYTOKEN: Automated market maker pair is already set to that value"
);
automatedMarketMakerPairs[pair] = value;
if (value) {
dividendTracker.excludeFromDividends(pair);
}
emit SetAutomatedMarketMakerPair(pair, value);
}
function updateGasForProcessing(uint256 newValue) public onlyOwner {
require(
newValue >= 200000 && newValue <= 500000,
"BABYTOKEN: gasForProcessing must be between 200,000 and 500,000"
);
require(
newValue != gasForProcessing,
"BABYTOKEN: Cannot update gasForProcessing to same value"
);
emit GasForProcessingUpdated(newValue, gasForProcessing);
gasForProcessing = newValue;
}
function updateClaimWait(uint256 claimWait) external onlyOwner {
dividendTracker.updateClaimWait(claimWait);
}
function getClaimWait() external view returns (uint256) {
return dividendTracker.claimWait();
}
function updateMinimumTokenBalanceForDividends(
uint256 amount
) external onlyOwner {
dividendTracker.updateMinimumTokenBalanceForDividends(amount);
}
function getMinimumTokenBalanceForDividends()
external
view
returns (uint256)
{
return dividendTracker.minimumTokenBalanceForDividends();
}
function getTotalDividendsDistributed() external view returns (uint256) {
return dividendTracker.totalDividendsDistributed();
}
function isExcludedFromFees(address account) public view returns (bool) {
return _isExcludedFromFees[account];
}
function withdrawableDividendOf(
address account
) public view returns (uint256) {
return dividendTracker.withdrawableDividendOf(account);
}
function dividendTokenBalanceOf(
address account
) public view returns (uint256) {
return dividendTracker.balanceOf(account);
}
function excludeFromDividends(address account) external onlyOwner {
dividendTracker.excludeFromDividends(account);
}
function isExcludedFromDividends(
address account
) public view returns (bool) {
return dividendTracker.isExcludedFromDividends(account);
}
function getAccountDividendsInfo(
address account
)
external
view
returns (
address,
int256,
int256,
uint256,
uint256,
uint256,
uint256,
uint256
)
{
return dividendTracker.getAccount(account);
}
function getAccountDividendsInfoAtIndex(
uint256 index
)
external
view
returns (
address,
int256,
int256,
uint256,
uint256,
uint256,
uint256,
uint256
)
{
return dividendTracker.getAccountAtIndex(index);
}
function processDividendTracker(uint256 gas) external {
(
uint256 iterations,
uint256 claims,
uint256 lastProcessedIndex
) = dividendTracker.process(gas);
emit ProcessedDividendTracker(
iterations,
claims,
lastProcessedIndex,
false,
gas,
tx.origin
);
}
function claim() external {
dividendTracker.processAccount(payable(msg.sender), false);
}
function getLastProcessedIndex() external view returns (uint256) {
return dividendTracker.getLastProcessedIndex();
}
function getNumberOfDividendTokenHolders() external view returns (uint256) {
return dividendTracker.getNumberOfTokenHolders();
}
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
if (amount == 0) {
super._transfer(from, to, 0);
return;
}
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= swapTokensAtAmount;
if (
canSwap &&
!swapping &&
!automatedMarketMakerPairs[from] &&
from != owner() &&
to != owner() &&
totalFees > 0
) {
swapping = true;
if (marketingFee > 0) {
uint256 marketingTokens = contractTokenBalance
.mul(marketingFee)
.div(totalFees);
swapAndSendToFee(marketingTokens);
}
if (liquidityFee > 0) {
uint256 swapTokens = contractTokenBalance.mul(liquidityFee).div(
totalFees
);
swapAndLiquify(swapTokens);
}
uint256 sellTokens = balanceOf(address(this));
if (sellTokens > 0) {
swapAndSendDividends(sellTokens);
}
swapping = false;
}
bool takeFee = !swapping;
if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
takeFee = false;
}
if (takeFee && totalFees > 0) {
uint256 fees = amount.mul(totalFees).div(100);
amount = amount.sub(fees);
super._transfer(from, address(this), fees);
}
super._transfer(from, to, amount);
try
dividendTracker.setBalance(payable(from), balanceOf(from))
{} catch {}
try dividendTracker.setBalance(payable(to), balanceOf(to)) {} catch {}
if (!swapping) {
uint256 gas = gasForProcessing;
try dividendTracker.process(gas) returns (
uint256 iterations,
uint256 claims,
uint256 lastProcessedIndex
) {
emit ProcessedDividendTracker(
iterations,
claims,
lastProcessedIndex,
true,
gas,
tx.origin
);
} catch {}
}
}
function swapAndSendToFee(uint256 tokens) private {
uint256 initialCAKEBalance = IERC20(rewardToken).balanceOf(
address(this)
);
swapTokensForCake(tokens);
uint256 newBalance = (IERC20(rewardToken).balanceOf(address(this))).sub(
initialCAKEBalance
);
IERC20(rewardToken).safeTransfer(_marketingWalletAddress, newBalance);
}
function swapAndLiquify(uint256 tokens) private {
uint256 half = tokens.div(2);
uint256 otherHalf = tokens.sub(half);
uint256 initialBalance = address(this).balance;
swapTokensForEth(half);
uint256 newBalance = address(this).balance.sub(initialBalance);
addLiquidity(otherHalf, newBalance);
emit SwapAndLiquify(half, newBalance, otherHalf);
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function swapTokensForCake(uint256 tokenAmount) private {
address[] memory path = new address[](3);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
path[2] = rewardToken;
_approve(address(this), address(uniswapV2Router), tokenAmount);
try
uniswapV2Router
.swapExactTokensForTokensSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
)
{} catch {}
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
address(0xdead),
block.timestamp
);
}
function swapAndSendDividends(uint256 tokens) private {
swapTokensForCake(tokens);
uint256 dividends = IERC20(rewardToken).balanceOf(address(this));
bool success = SafeERC20NoRevert.safeTransfer(
IERC20(rewardToken),
address(dividendTracker),
dividends
);
if (success) {
try dividendTracker.distributeCAKEDividends(dividends) {} catch {
emit SendDividendsReverted(tokens, dividends);
return;
}
emit SendDividends(tokens, dividends);
}
}
}
