文件 1 的 1:MagaVP.sol
pragma solidity ^0.8.15;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
interface IUniswapV2Pair {
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
event Transfer(address indexed from, address indexed to, uint256 value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint256);
function balanceOf(address owner) external view returns (uint256);
function allowance(address owner, address spender)
external
view
returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transfer(address to, uint256 value) external returns (bool);
function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint256);
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
event Mint(address indexed sender, uint256 amount0, uint256 amount1);
event Burn(
address indexed sender,
uint256 amount0,
uint256 amount1,
address indexed to
);
event Swap(
address indexed sender,
uint256 amount0In,
uint256 amount1In,
uint256 amount0Out,
uint256 amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint256);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves()
external
view
returns (
uint112 reserve0,
uint112 reserve1,
uint32 blockTimestampLast
);
function price0CumulativeLast() external view returns (uint256);
function price1CumulativeLast() external view returns (uint256);
function kLast() external view returns (uint256);
function mint(address to) external returns (uint256 liquidity);
function burn(address to)
external
returns (uint256 amount0, uint256 amount1);
function swap(
uint256 amount0Out,
uint256 amount1Out,
address to,
bytes calldata data
) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface 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 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);
}
contract ERC20 is Context, IERC20, IERC20Metadata {
using SafeMath for uint256;
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 internal _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);
_approve(
sender,
_msgSender(),
_allowances[sender][_msgSender()].sub(
amount,
"ERC20: transfer amount exceeds allowance"
)
);
return true;
}
function increaseAllowance(address spender, uint256 addedValue)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].add(addedValue)
);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].sub(
subtractedValue,
"ERC20: decreased allowance below zero"
)
);
return true;
}
function _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);
_balances[sender] = _balances[sender].sub(
amount,
"ERC20: transfer amount exceeds balance"
);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(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 = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(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);
_balances[account] = _balances[account].sub(
amount,
"ERC20: burn amount exceeds balance"
);
_totalSupply = _totalSupply.sub(amount);
emit Transfer(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 {}
}
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);
}
interface DividendPayingTokenInterface {
function dividendOf(address _owner) external view returns (uint256);
function distributeDividends() external payable;
function withdrawDividend() external;
event DividendsDistributed(address indexed from, uint256 weiAmount);
event DividendWithdrawn(address indexed to, uint256 weiAmount);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
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;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
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;
}
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
)
external
returns (
uint256 amountA,
uint256 amountB,
uint256 liquidity
);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
function removeLiquidity(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
) external returns (uint256 amountA, uint256 amountB);
function removeLiquidityETH(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountToken, uint256 amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountA, uint256 amountB);
function removeLiquidityETHWithPermit(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountToken, uint256 amountETH);
function swapExactTokensForTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapTokensForExactTokens(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapExactETHForTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);
function swapTokensForExactETH(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapExactTokensForETH(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapETHForExactTokens(
uint256 amountOut,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);
function quote(
uint256 amountA,
uint256 reserveA,
uint256 reserveB
) external pure returns (uint256 amountB);
function getAmountOut(
uint256 amountIn,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountOut);
function getAmountIn(
uint256 amountOut,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountIn);
function getAmountsOut(uint256 amountIn, address[] calldata path)
external
view
returns (uint256[] memory amounts);
function getAmountsIn(uint256 amountOut, address[] calldata path)
external
view
returns (uint256[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
contract DividendPayingToken is
ERC20,
DividendPayingTokenInterface,
DividendPayingTokenOptionalInterface
{
using SafeMath for uint256;
using SafeMathUint for uint256;
using SafeMathInt for int256;
uint256 internal constant magnitude = 2**128;
uint256 internal magnifiedDividendPerShare;
mapping(address => int256) internal magnifiedDividendCorrections;
mapping(address => uint256) internal withdrawnDividends;
uint256 public totalDividendsDistributed;
constructor(string memory _name, string memory _symbol)
ERC20(_name, _symbol)
{}
receive() external payable {
distributeDividends();
}
function distributeDividends() public payable override {
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 withdrawDividend() public virtual override {
_withdrawDividendOfUser(payable(msg.sender));
}
function _withdrawDividendOfUser(address payable user)
internal
virtual
returns (uint256)
{
uint256 _withdrawableDividend = withdrawableDividendOf(user);
if (_withdrawableDividend > 0) {
withdrawnDividends[user] = withdrawnDividends[user].add(
_withdrawableDividend
);
emit DividendWithdrawn(user, _withdrawableDividend);
(bool success, ) = user.call{
value: _withdrawableDividend,
gas: 3000
}("");
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);
}
}
}
interface ITrueDefiSwap {
function triggeredTokenSent(uint256, address) external;
}
contract MagaVP is ERC20, Ownable {
using SafeMath for uint256;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
address public DEAD = 0x000000000000000000000000000000000000dEaD;
bool private swapping;
bool public tradingEnabled = false;
uint256 public sellAmount = 1;
uint256 public buyAmount = 1;
uint256 private totalSellFees;
uint256 private totalBuyFees;
MagaVPDividendTracker public dividendTracker;
address payable public marketingWallet;
address payable public buybackWallet;
uint256 public maxWallet;
uint256 public swapTokensAtAmount;
uint256 public sellRewardsFee;
uint256 public sellMarketingFees;
uint256 public sellLiquidityFee;
uint256 public buyMarketingFees;
uint256 public buyLiquidityFee;
uint256 public buyRewardsFee;
uint256 public buyBuyBackFee;
uint256 public sellBuyBackFee;
bool public swapAndLiquifyEnabled = true;
uint256 public gasForProcessing = 300000;
mapping(address => bool) private _isExcludedFromFees;
mapping(address => bool) public automatedMarketMakerPairs;
mapping(address => bool) private canTransferBeforeTradingIsEnabled;
bool public enabledPublicTrading;
address tefiRouter;
mapping(address => bool) public whitelistForPublicTrade;
event updateMarketingWallet(address wallet);
event updatebuybackWallet(address wallet);
event EnableSwapAndLiquify(bool enabled);
event SetPreSaleWallet(address wallet);
event UpdateDividendTracker(
address indexed newAddress,
address indexed oldAddress
);
event UpdateUniswapV2Router(
address indexed newAddress,
address indexed oldAddress
);
event TradingEnabled();
event UpdateFees(
uint256 sellMarketingFees,
uint256 sellLiquidityFee,
uint256 sellRewardsFee,
uint256 buyMarketingFees,
uint256 buyLiquidityFee,
uint256 buyRewardsFee,
uint256 buyBuyBackFee,
uint256 sellBuyBackFee
);
event ExcludeFromFees(address indexed account, bool isExcluded);
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 amount, uint256 opAmount, bool success);
event ProcessedDividendTracker(
uint256 iterations,
uint256 claims,
uint256 lastProcessedIndex,
bool indexed automatic,
uint256 gas,
address indexed processor
);
event UpdatePayoutToken(address token);
constructor() ERC20("Maga VP", "$MVP") {
marketingWallet = payable(0x2b486FE86f88EA5a29Ab9c53dD70Da38b043B137);
buybackWallet = payable(0xD53cF51AF3280BEaa3eb95BE6Ba983B6B6982b5c);
address router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
buyMarketingFees = 50;
sellMarketingFees = 50;
buyLiquidityFee = 25;
sellLiquidityFee = 25;
buyRewardsFee = 100;
sellRewardsFee = 100;
buyBuyBackFee = 25;
sellBuyBackFee = 25;
totalBuyFees = buyRewardsFee
.add(buyLiquidityFee)
.add(buyMarketingFees)
.add(buyBuyBackFee);
totalSellFees = sellRewardsFee
.add(sellLiquidityFee)
.add(sellMarketingFees)
.add(sellBuyBackFee);
dividendTracker = new MagaVPDividendTracker(
payable(this),
router,
0x576e2BeD8F7b46D34016198911Cdf9886f78bea7,
"MagaVPTRACKER",
"MVPTTRACKER"
);
uniswapV2Router = IUniswapV2Router02(router);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(
address(this),
uniswapV2Router.WETH()
);
_setAutomatedMarketMakerPair(uniswapV2Pair, true);
dividendTracker.excludeFromDividends(address(dividendTracker));
dividendTracker.excludeFromDividends(address(this));
dividendTracker.excludeFromDividends(DEAD);
dividendTracker.excludedFromDividends(address(0));
dividendTracker.excludeFromDividends(router);
dividendTracker.excludeFromDividends(marketingWallet);
dividendTracker.excludeFromDividends(owner());
_isExcludedFromFees[address(this)] = true;
_isExcludedFromFees[address(dividendTracker)] = true;
_isExcludedFromFees[address(marketingWallet)] = true;
_isExcludedFromFees[address(buybackWallet)] = true;
_isExcludedFromFees[msg.sender] = true;
uint256 totalTokenSupply = (50_000_000) * (10**18);
_mint(owner(), totalTokenSupply);
maxWallet = totalTokenSupply / 50;
swapTokensAtAmount = totalTokenSupply / 1000;
canTransferBeforeTradingIsEnabled[owner()] = true;
canTransferBeforeTradingIsEnabled[address(this)] = true;
whitelistForPublicTrade[msg.sender] = true;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
receive() external payable {}
function isTrading(address _sender, address _recipient)
internal view
returns (uint)
{
if (automatedMarketMakerPairs[_sender] && _recipient != address(uniswapV2Router)) return 1;
if (automatedMarketMakerPairs[_recipient]) return 2;
return 0;
}
function setWhitelistForPublicTrade(address _addr, bool _flag) external onlyOwner {
whitelistForPublicTrade[_addr] = _flag;
}
function setPublicTrading() external onlyOwner {
require(!enabledPublicTrading);
enabledPublicTrading = true;
}
function setTrueDefiRouter(address _router) external onlyOwner {
tefiRouter = _router;
if (_router != address(0)) {
whitelistForPublicTrade[_router] = true;
_isExcludedFromFees[_router] = true;
dividendTracker.excludeFromDividends(_router);
}
tradingEnabled = true;
emit TradingEnabled();
}
function setPresaleWallet(address wallet) external onlyOwner {
canTransferBeforeTradingIsEnabled[wallet] = true;
_isExcludedFromFees[wallet] = true;
dividendTracker.excludeFromDividends(wallet);
emit SetPreSaleWallet(wallet);
}
function setMarketingWallet(address wallet) external onlyOwner {
_isExcludedFromFees[wallet] = true;
marketingWallet = payable(wallet);
emit updateMarketingWallet(wallet);
}
function setBuybackWallet(address wallet) external onlyOwner {
_isExcludedFromFees[wallet] = true;
buybackWallet = payable(wallet);
emit updatebuybackWallet(wallet);
}
function setExcludeFees(address account, bool excluded) public onlyOwner {
_isExcludedFromFees[account] = excluded;
emit ExcludeFromFees(account, excluded);
}
function setExcludeDividends(address account) public onlyOwner {
dividendTracker.excludeFromDividends(account);
}
function setIncludeDividends(address account) public onlyOwner {
dividendTracker.includeFromDividends(account);
dividendTracker.setBalance(account, 0);
}
function setCanTransferBefore(address wallet, bool enable)
external
onlyOwner
{
canTransferBeforeTradingIsEnabled[wallet] = enable;
}
function setmaxWallet(uint256 value) external onlyOwner {
value = value * (10**18);
require(value >= _totalSupply / 1000, "max wallet cannot be set to less than 0.1%");
maxWallet = value;
}
function setSwapTriggerAmount(uint256 amount) public onlyOwner {
swapTokensAtAmount = amount * (10**18);
}
function enableSwapAndLiquify(bool enabled) public onlyOwner {
require(swapAndLiquifyEnabled != enabled);
swapAndLiquifyEnabled = enabled;
emit EnableSwapAndLiquify(enabled);
}
function setAutomatedMarketMakerPair(address pair, bool value)
public
onlyOwner
{
_setAutomatedMarketMakerPair(pair, value);
}
function setAllowCustomTokens(bool allow) public onlyOwner {
dividendTracker.setAllowCustomTokens(allow);
}
function setAllowAutoReinvest(bool allow) public onlyOwner {
dividendTracker.setAllowAutoReinvest(allow);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
automatedMarketMakerPairs[pair] = value;
if (value) {
dividendTracker.excludeFromDividends(pair);
}
emit SetAutomatedMarketMakerPair(pair, value);
}
function updateGasForProcessing(uint256 newValue) public onlyOwner {
require(newValue >= 200000 && newValue <= 1000000);
emit GasForProcessingUpdated(newValue, gasForProcessing);
gasForProcessing = newValue;
}
function transferAdmin(address newOwner) public onlyOwner {
dividendTracker.excludeFromDividends(newOwner);
_isExcludedFromFees[newOwner] = true;
transferOwnership(newOwner);
}
function updateFees(
uint256 marketingBuy,
uint256 marketingSell,
uint256 liquidityBuy,
uint256 liquiditySell,
uint256 RewardsBuy,
uint256 RewardsSell,
uint256 buybackBuy,
uint256 buybackSell
) public onlyOwner {
buyMarketingFees = marketingBuy;
buyLiquidityFee = liquidityBuy;
buyRewardsFee = RewardsBuy;
sellMarketingFees = marketingSell;
sellLiquidityFee = liquiditySell;
sellRewardsFee = RewardsSell;
buyBuyBackFee = buybackBuy;
sellBuyBackFee = buybackSell;
totalSellFees = sellRewardsFee
.add(sellLiquidityFee)
.add(sellMarketingFees)
.add(sellBuyBackFee);
totalBuyFees = buyRewardsFee
.add(buyLiquidityFee)
.add(buyMarketingFees)
.add(buyBuyBackFee);
require(totalSellFees <= 5 && totalBuyFees <= 5, "total fees cannot exceed 5% sell or buy");
emit UpdateFees(
sellMarketingFees,
sellLiquidityFee,
sellRewardsFee,
buyMarketingFees,
buyLiquidityFee,
buyRewardsFee,
buyBuyBackFee,
sellBuyBackFee
);
}
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 getAccountDividendsInfo(address account)
external
view
returns (
address,
int256,
int256,
uint256,
uint256,
uint256
)
{
return dividendTracker.getAccount(account);
}
function getAccountDividendsInfoAtIndex(uint256 index)
external
view
returns (
address,
int256,
int256,
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 setAutoClaim(bool value) external {
dividendTracker.setAutoClaim(msg.sender, value);
}
function setReinvest(bool value) external {
dividendTracker.setReinvest(msg.sender, value);
}
function setDividendsPaused(bool value) external onlyOwner {
dividendTracker.setDividendsPaused(value);
}
function isExcludedFromAutoClaim(address account)
external
view
returns (bool)
{
return dividendTracker.isExcludedFromAutoClaim(account);
}
function isReinvest(address account) external view returns (bool) {
return dividendTracker.isReinvest(account);
}
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");
uint256 RewardsFee;
uint256 marketingFees;
uint256 liquidityFee;
uint256 buybackFee;
if (!canTransferBeforeTradingIsEnabled[from]) {
require(tradingEnabled, "Trading has not yet been enabled");
}
if (enabledPublicTrading == false && tefiRouter != address(0)) {
require(isTrading(from, to) == 0 || whitelistForPublicTrade[from] || whitelistForPublicTrade[to], "!available trading");
}
if (amount == 0) {
super._transfer(from, to, 0);
return;
}
if (to == DEAD) {
_burn(from, amount);
return;
}
else if (
!swapping && !_isExcludedFromFees[from] && !_isExcludedFromFees[to]
) {
bool isSelling = automatedMarketMakerPairs[to];
bool isBuying = automatedMarketMakerPairs[from];
if (!isBuying && !isSelling) {
super._transfer(from, to, amount);
dividendTracker.setBalance(from, balanceOf(from));
dividendTracker.setBalance(to, balanceOf(to));
}
else if (isSelling) {
RewardsFee = sellRewardsFee;
marketingFees = sellMarketingFees;
liquidityFee = sellLiquidityFee;
buybackFee = sellBuyBackFee;
} else if (isBuying) {
RewardsFee = buyRewardsFee;
marketingFees = buyMarketingFees;
liquidityFee = buyLiquidityFee;
buybackFee = buyBuyBackFee;
uint256 contractBalanceRecipient = balanceOf(to);
require(contractBalanceRecipient + amount <= maxWallet,"Exceeds maximum wallet token amount." );
}
uint256 totalFees = RewardsFee
.add(liquidityFee + marketingFees + buybackFee);
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= swapTokensAtAmount;
if (canSwap && !automatedMarketMakerPairs[from]) {
swapping = true;
if (swapAndLiquifyEnabled && liquidityFee > 0 && totalBuyFees > 0) {
uint256 totalBuySell = buyAmount.add(sellAmount);
uint256 swapAmountBought = contractTokenBalance
.mul(buyAmount)
.div(totalBuySell);
uint256 swapAmountSold = contractTokenBalance
.mul(sellAmount)
.div(totalBuySell);
uint256 swapBuyTokens = swapAmountBought
.mul(liquidityFee)
.div(totalBuyFees);
uint256 swapSellTokens = swapAmountSold
.mul(liquidityFee)
.div(totalSellFees);
uint256 swapTokens = swapSellTokens.add(swapBuyTokens);
swapAndLiquify(swapTokens);
}
uint256 remainingBalance = balanceOf(address(this));
swapAndSendDividends(remainingBalance);
buyAmount = 1;
sellAmount = 1;
swapping = false;
}
uint256 fees = amount.mul(totalFees).div(10000);
amount = amount.sub(fees);
if (isSelling) {
sellAmount = sellAmount.add(fees);
} else {
buyAmount = buyAmount.add(fees);
}
super._transfer(from, address(this), fees);
uint256 gas = gasForProcessing;
try dividendTracker.process(gas) returns (
uint256 iterations,
uint256 claims,
uint256 lastProcessedIndex
) {
emit ProcessedDividendTracker(
iterations,
claims,
lastProcessedIndex,
true,
gas,
tx.origin
);
} catch {}
}
super._transfer(from, to, amount);
dividendTracker.setBalance(from, balanceOf(from));
dividendTracker.setBalance(to, balanceOf(to));
if (from != address(uniswapV2Router) && !automatedMarketMakerPairs[from] && to == tefiRouter) {
ITrueDefiSwap(tefiRouter).triggeredTokenSent(amount, from);
}
}
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 updatePayoutToken(address token) public onlyOwner {
dividendTracker.updatePayoutToken(token);
emit UpdatePayoutToken(token);
}
function getPayoutToken() public view returns (address) {
return dividendTracker.getPayoutToken();
}
function setMinimumTokenBalanceForAutoDividends(uint256 value)
public
onlyOwner
{
dividendTracker.setMinimumTokenBalanceForAutoDividends(value);
}
function setMinimumTokenBalanceForDividends(uint256 value)
public
onlyOwner
{
dividendTracker.setMinimumTokenBalanceForDividends(value);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
address(DEAD),
block.timestamp
);
}
function forceSwapAndSendDividends(uint256 tokens) public onlyOwner {
tokens = tokens * (10**18);
uint256 totalAmount = buyAmount.add(sellAmount);
uint256 fromBuy = tokens.mul(buyAmount).div(totalAmount);
uint256 fromSell = tokens.mul(sellAmount).div(totalAmount);
swapAndSendDividends(tokens);
buyAmount = buyAmount.sub(fromBuy);
sellAmount = sellAmount.sub(fromSell);
}
function swapAndSendDividends(uint256 tokens) private {
if (tokens == 0) {
return;
}
swapTokensForEth(tokens);
uint256 totalAmount = buyAmount.add(sellAmount);
bool success = true;
bool successOp1 = true;
bool successOp2 = true;
uint256 dividends;
uint256 dividendsFromBuy;
uint256 dividendsFromSell;
if (buyRewardsFee > 0) {
dividendsFromBuy = address(this)
.balance
.mul(buyAmount)
.div(totalAmount)
.mul(buyRewardsFee)
.div(buyRewardsFee + buyMarketingFees + buyBuyBackFee);
}
if (sellRewardsFee > 0) {
dividendsFromSell = address(this)
.balance
.mul(sellAmount)
.div(totalAmount)
.mul(sellRewardsFee)
.div(sellRewardsFee + sellMarketingFees + sellBuyBackFee);
}
dividends = dividendsFromBuy.add(dividendsFromSell);
if (dividends > 0) {
(success, ) = address(dividendTracker).call{value: dividends}("");
}
uint256 _completeFees = sellMarketingFees.add(sellBuyBackFee) +
buyMarketingFees.add(buyBuyBackFee);
uint256 feePortions;
if (_completeFees > 0) {
feePortions = address(this).balance.div(_completeFees);
}
uint256 marketingPayout = buyMarketingFees.add(sellMarketingFees) * feePortions;
uint256 buybackPayout = buyBuyBackFee.add(sellBuyBackFee) * feePortions;
if (marketingPayout > 0) {
(successOp1, ) = address(marketingWallet).call{value: marketingPayout}("");
}
if (buybackPayout > 0) {
(successOp2, ) = address(buybackWallet).call{value: buybackPayout}("");
}
emit SendDividends(
dividends,
marketingPayout + buybackPayout,
success && successOp1 && successOp2
);
}
function airdropToWallets(
address[] memory airdropWallets,
uint256[] memory amount
) external onlyOwner {
require(airdropWallets.length == amount.length,"Arrays must be the same length");
require(airdropWallets.length <= 200, "Wallets list length must be <= 200");
for (uint256 i = 0; i < airdropWallets.length; i++) {
address wallet = airdropWallets[i];
uint256 airdropAmount = amount[i] * (10**18);
super._transfer(msg.sender, wallet, airdropAmount);
dividendTracker.setBalance(payable(wallet), balanceOf(wallet));
}
}
}
contract MagaVPDividendTracker 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 => bool) public excludedFromAutoClaim;
mapping(address => bool) public autoReinvest;
address public defaultToken;
bool public allowCustomTokens;
bool public allowAutoReinvest;
bool public dividendsPaused = false;
string private trackerName;
string private trackerTicker;
IUniswapV2Router02 public uniswapV2Router;
MagaVP public MagaVPContract;
mapping(address => uint256) public lastClaimTimes;
uint256 private minimumTokenBalanceForAutoDividends;
uint256 private minimumTokenBalanceForDividends;
event ExcludeFromDividends(address indexed account);
event ClaimWaitUpdated(uint256 indexed newValue, uint256 indexed oldValue);
event DividendReinvested(
address indexed acount,
uint256 value,
bool indexed automatic
);
event Claim(
address indexed account,
uint256 amount,
bool indexed automatic
);
event DividendsPaused(bool paused);
event SetAllowCustomTokens(bool allow);
event SetAllowAutoReinvest(bool allow);
constructor(
address payable mainContract,
address router,
address token,
string memory _name,
string memory _ticker
) DividendPayingToken(_name, _ticker) {
trackerName = _name;
trackerTicker = _ticker;
defaultToken = token;
MagaVPContract = MagaVP(mainContract);
minimumTokenBalanceForAutoDividends = 100_000000000000000000;
minimumTokenBalanceForDividends = minimumTokenBalanceForAutoDividends;
uniswapV2Router = IUniswapV2Router02(router);
allowCustomTokens = true;
allowAutoReinvest = false;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function name() public view virtual override returns (string memory) {
return trackerName;
}
function symbol() public view virtual override returns (string memory) {
return trackerTicker;
}
function _transfer(
address,
address,
uint256
) internal pure override {
require(false, "MagaVP_Dividend_Tracker: No transfers allowed");
}
function withdrawDividend() public pure override {
require(
false,
"MagaVP_Dividend_Tracker: withdrawDividend disabled. Use the 'claim' function on the main MagaVP contract."
);
}
function isExcludedFromAutoClaim(address account)
external
view
onlyOwner
returns (bool)
{
return excludedFromAutoClaim[account];
}
function isReinvest(address account)
external
view
onlyOwner
returns (bool)
{
return autoReinvest[account];
}
function setAllowCustomTokens(bool allow) external onlyOwner {
require(allowCustomTokens != allow);
allowCustomTokens = allow;
emit SetAllowCustomTokens(allow);
}
function setAllowAutoReinvest(bool allow) external onlyOwner {
require(allowAutoReinvest != allow);
allowAutoReinvest = allow;
emit SetAllowAutoReinvest(allow);
}
function excludeFromDividends(address account) external onlyOwner {
excludedFromDividends[account] = true;
_setBalance(account, 0);
tokenHoldersMap.remove(account);
emit ExcludeFromDividends(account);
}
function includeFromDividends(address account) external onlyOwner {
excludedFromDividends[account] = false;
}
function setAutoClaim(address account, bool value) external onlyOwner {
excludedFromAutoClaim[account] = value;
}
function setReinvest(address account, bool value) external onlyOwner {
autoReinvest[account] = value;
}
function setMinimumTokenBalanceForAutoDividends(uint256 value)
external
onlyOwner
{
minimumTokenBalanceForAutoDividends = value * (10**18);
}
function setMinimumTokenBalanceForDividends(uint256 value)
external
onlyOwner
{
minimumTokenBalanceForDividends = value * (10**18);
}
function setDividendsPaused(bool value) external onlyOwner {
require(dividendsPaused != value);
dividendsPaused = value;
emit DividendsPaused(value);
}
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
)
{
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];
}
function getAccountAtIndex(uint256 index)
public
view
returns (
address,
int256,
int256,
uint256,
uint256,
uint256
)
{
if (index >= tokenHoldersMap.size()) {
return (
0x0000000000000000000000000000000000000000,
-1,
-1,
0,
0,
0
);
}
address account = tokenHoldersMap.getKeyAtIndex(index);
return getAccount(account);
}
function setBalance(address account, uint256 newBalance)
external
onlyOwner
{
if (excludedFromDividends[account]) {
return;
}
if (newBalance < minimumTokenBalanceForDividends) {
tokenHoldersMap.remove(account);
_setBalance(account, 0);
return;
}
_setBalance(account, newBalance);
if (newBalance >= minimumTokenBalanceForAutoDividends) {
tokenHoldersMap.set(account, newBalance);
} else {
tokenHoldersMap.remove(account);
}
}
function process(uint256 gas)
public
returns (
uint256,
uint256,
uint256
)
{
uint256 numberOfTokenHolders = tokenHoldersMap.keys.length;
if (numberOfTokenHolders == 0 || dividendsPaused) {
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 >= numberOfTokenHolders) {
_lastProcessedIndex = 0;
}
address account = tokenHoldersMap.keys[_lastProcessedIndex];
if (!excludedFromAutoClaim[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)
{
if (dividendsPaused) {
return false;
}
bool reinvest = autoReinvest[account];
if (automatic && reinvest && !allowAutoReinvest) {
return false;
}
uint256 amount = reinvest
? _reinvestDividendOfUser(account)
: _withdrawDividendOfUser(account);
if (amount > 0) {
lastClaimTimes[account] = block.timestamp;
if (reinvest) {
emit DividendReinvested(account, amount, automatic);
} else {
emit Claim(account, amount, automatic);
}
return true;
}
return false;
}
function updateUniswapV2Router(address newAddress) public onlyOwner {
uniswapV2Router = IUniswapV2Router02(newAddress);
}
function updatePayoutToken(address token) public onlyOwner {
defaultToken = token;
}
function getPayoutToken() public view returns (address) {
return defaultToken;
}
function _reinvestDividendOfUser(address account)
private
returns (uint256)
{
uint256 _withdrawableDividend = withdrawableDividendOf(account);
if (_withdrawableDividend > 0) {
bool success;
withdrawnDividends[account] = withdrawnDividends[account].add(
_withdrawableDividend
);
address[] memory path = new address[](2);
path[0] = uniswapV2Router.WETH();
path[1] = address(MagaVPContract);
uint256 prevBalance = MagaVPContract.balanceOf(address(this));
try
uniswapV2Router
.swapExactETHForTokensSupportingFeeOnTransferTokens{
value: _withdrawableDividend
}(
0,
path,
address(this),
block.timestamp
)
{
uint256 received = MagaVPContract
.balanceOf(address(this))
.sub(prevBalance);
if (received > 0) {
success = true;
MagaVPContract.transfer(account, received);
} else {
success = false;
}
} catch {
success = false;
}
if (!success) {
withdrawnDividends[account] = withdrawnDividends[account].sub(
_withdrawableDividend
);
return 0;
}
return _withdrawableDividend;
}
return 0;
}
function _withdrawDividendOfUser(address payable user)
internal
override
returns (uint256)
{
uint256 _withdrawableDividend = withdrawableDividendOf(user);
if (_withdrawableDividend > 0) {
withdrawnDividends[user] = withdrawnDividends[user].add(
_withdrawableDividend
);
address tokenAddress = defaultToken;
bool success;
if (tokenAddress == address(0)) {
(success, ) = user.call{
value: _withdrawableDividend,
gas: 3000
}("");
} else {
address[] memory path = new address[](2);
path[0] = uniswapV2Router.WETH();
path[1] = tokenAddress;
try
uniswapV2Router
.swapExactETHForTokensSupportingFeeOnTransferTokens{
value: _withdrawableDividend
}(
0,
path,
user,
block.timestamp
)
{
success = true;
} catch {
success = false;
}
}
if (!success) {
withdrawnDividends[user] = withdrawnDividends[user].sub(
_withdrawableDividend
);
return 0;
} else {
emit DividendWithdrawn(user, _withdrawableDividend);
}
return _withdrawableDividend;
}
return 0;
}
}
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) internal view returns (uint256) {
return map.values[key];
}
function getIndexOfKey(Map storage map, address key)
internal
view
returns (int256)
{
if (!map.inserted[key]) {
return -1;
}
return int256(map.indexOf[key]);
}
function getKeyAtIndex(Map storage map, uint256 index)
internal
view
returns (address)
{
return map.keys[index];
}
function size(Map storage map) internal view returns (uint256) {
return map.keys.length;
}
function set(
Map storage map,
address key,
uint256 val
) internal {
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) internal {
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();
}
}