You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
674 lines
20 KiB
674 lines
20 KiB
// SPDX-License-Identifier: Unlicensed
|
|
|
|
pragma solidity ^0.8.15;
|
|
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
|
|
import "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
|
|
import "./interfaces/IPancake.sol";
|
|
import "./mixins/SafeMathInt.sol";
|
|
import "./interfaces/ITreasury.sol";
|
|
import "./interfaces/INFT.sol";
|
|
|
|
contract BabiesOfMars is ERC20Upgradeable {
|
|
using SafeMathUpgradeable for uint256;
|
|
using SafeMathInt for int256;
|
|
|
|
event LogRebase(uint256 indexed epoch, uint256 totalSupply);
|
|
|
|
string public _name = "BabiesOfMars";
|
|
string public _symbol = "BoM";
|
|
uint8 public _decimals = 5;
|
|
|
|
IPancakeSwapPair public pairContract;
|
|
mapping(address => bool) _isFeeExempt;
|
|
|
|
modifier validRecipient(address to) {
|
|
require(to != address(0x0));
|
|
_;
|
|
}
|
|
|
|
modifier onlyAdmin() {
|
|
require(treasury.isAdmin(msg.sender));
|
|
_;
|
|
}
|
|
|
|
uint256 public constant DECIMALS = 5;
|
|
uint256 public constant MAX_UINT256 = ~uint256(0);
|
|
uint8 public constant RATE_DECIMALS = 7;
|
|
|
|
uint256 public liquidityFee = 300;
|
|
uint256 public gameTreasuryFee = 300;
|
|
uint256 public redTrustFee = 300;
|
|
uint256 public redFurnaceFee = 800;
|
|
uint256 public nftRewardFee = 300;
|
|
uint256 public totalFee =
|
|
liquidityFee
|
|
.add(gameTreasuryFee)
|
|
.add(redTrustFee)
|
|
.add(redFurnaceFee)
|
|
.add(nftRewardFee);
|
|
uint256 public sellFee = 200;
|
|
uint256 public feeDenominator = 10000;
|
|
|
|
address DEAD = 0x000000000000000000000000000000000000dEaD;
|
|
address ZERO = 0x0000000000000000000000000000000000000000;
|
|
|
|
address public autoLiquidityReceiver;
|
|
ITreasury public treasury;
|
|
address public redTrustWallet;
|
|
address public redFurnace;
|
|
address public pairAddress;
|
|
INFT public nftRewardPool;
|
|
bool public swapEnabled = true;
|
|
IPancakeSwapRouter public router;
|
|
IPancakeSwapPair public pair;
|
|
bool inSwap = false;
|
|
|
|
uint256 lastPrice;
|
|
uint256 defenderTimer;
|
|
bool rdStatus;
|
|
|
|
modifier swapping() {
|
|
inSwap = true;
|
|
_;
|
|
inSwap = false;
|
|
}
|
|
|
|
uint256 private constant TOTAL_GONS =
|
|
MAX_UINT256 - (MAX_UINT256 % INITIAL_FRAGMENTS_SUPPLY);
|
|
uint256 private constant INITIAL_FRAGMENTS_SUPPLY = 50_000 * 10**DECIMALS;
|
|
uint256 private constant MAX_SUPPLY = 500_000 * 10**DECIMALS;
|
|
|
|
bool public _autoRebase;
|
|
bool public _autoAddLiquidity;
|
|
uint256 public _initRebaseStartTime;
|
|
uint256 public _lastRebasedTime;
|
|
uint256 public _lastAddLiquidityTime;
|
|
uint256 public _totalSupply;
|
|
uint256 private _gonsPerFragment;
|
|
|
|
uint256 public rebaseInterval = 15 minutes;
|
|
|
|
mapping(address => uint256) private _gonBalances;
|
|
mapping(address => mapping(address => uint256)) private _allowedFragments;
|
|
mapping(address => bool) public blacklist;
|
|
|
|
function initialize(
|
|
address _router,
|
|
address _owner,
|
|
ITreasury _treasury,
|
|
address _redTrustWallet,
|
|
INFT _nftRewardPool,
|
|
address _redFurnace
|
|
) public initializer {
|
|
__ERC20_init(_name, _symbol);
|
|
router = IPancakeSwapRouter(_router);
|
|
pair = IPancakeSwapPair(
|
|
IPancakeSwapFactory(router.factory()).createPair(
|
|
router.WETH(),
|
|
address(this)
|
|
)
|
|
);
|
|
|
|
autoLiquidityReceiver = DEAD;
|
|
treasury = _treasury;
|
|
redTrustWallet = _redTrustWallet;
|
|
redFurnace = _redFurnace;
|
|
nftRewardPool = _nftRewardPool;
|
|
|
|
_allowedFragments[address(this)][address(router)] = type(uint256).max;
|
|
pairContract = IPancakeSwapPair(pair);
|
|
|
|
_totalSupply = INITIAL_FRAGMENTS_SUPPLY;
|
|
_gonBalances[_owner] = TOTAL_GONS;
|
|
_gonsPerFragment = TOTAL_GONS.div(_totalSupply);
|
|
_initRebaseStartTime = block.timestamp;
|
|
_lastRebasedTime = block.timestamp;
|
|
_autoRebase = false;
|
|
_autoAddLiquidity = true;
|
|
_isFeeExempt[_owner] = true;
|
|
_isFeeExempt[address(this)] = true;
|
|
_isFeeExempt[redTrustWallet] = true;
|
|
_isFeeExempt[address(nftRewardPool)] = true;
|
|
_isFeeExempt[address(treasury)] = true;
|
|
|
|
defenderTimer = block.timestamp;
|
|
|
|
emit Transfer(address(0x0), _owner, _totalSupply);
|
|
}
|
|
|
|
function rebase() internal {
|
|
if (inSwap) return;
|
|
uint256 rebaseRate;
|
|
uint256 deltaTimeFromInit = block.timestamp - _initRebaseStartTime;
|
|
uint256 deltaTime = block.timestamp - _lastRebasedTime;
|
|
uint256 times = deltaTime.div(rebaseInterval);
|
|
uint256 epoch = times.mul(15);
|
|
|
|
if (deltaTimeFromInit < (365 days)) {
|
|
rebaseRate = 2731;
|
|
} else if (deltaTimeFromInit >= (365 days)) {
|
|
rebaseRate = 211;
|
|
} else if (deltaTimeFromInit >= ((15 * 365 days) / 10)) {
|
|
rebaseRate = 14;
|
|
} else if (deltaTimeFromInit >= (7 * 365 days)) {
|
|
rebaseRate = 2;
|
|
}
|
|
|
|
for (uint256 i = 0; i < times; i++) {
|
|
_totalSupply = _totalSupply
|
|
.mul((10**RATE_DECIMALS).add(rebaseRate))
|
|
.div(10**RATE_DECIMALS);
|
|
}
|
|
|
|
_gonsPerFragment = TOTAL_GONS.div(_totalSupply);
|
|
_lastRebasedTime = _lastRebasedTime.add(times.mul(rebaseInterval));
|
|
|
|
pairContract.sync();
|
|
|
|
emit LogRebase(epoch, _totalSupply);
|
|
}
|
|
|
|
function transfer(address to, uint256 value)
|
|
public
|
|
override
|
|
validRecipient(to)
|
|
returns (bool)
|
|
{
|
|
_transferFrom(msg.sender, to, value);
|
|
return true;
|
|
}
|
|
|
|
function transferFrom(
|
|
address from,
|
|
address to,
|
|
uint256 value
|
|
) public override validRecipient(to) returns (bool) {
|
|
if (_allowedFragments[from][msg.sender] != type(uint256).max) {
|
|
_allowedFragments[from][msg.sender] = _allowedFragments[from][
|
|
msg.sender
|
|
].sub(value, "Insufficient Allowance");
|
|
}
|
|
_transferFrom(from, to, value);
|
|
return true;
|
|
}
|
|
|
|
function _basicTransfer(
|
|
address from,
|
|
address to,
|
|
uint256 amount
|
|
) internal returns (bool) {
|
|
uint256 gonAmount = amount.mul(_gonsPerFragment);
|
|
_gonBalances[from] = _gonBalances[from].sub(gonAmount);
|
|
_gonBalances[to] = _gonBalances[to].add(gonAmount);
|
|
return true;
|
|
}
|
|
|
|
function _transferFrom(
|
|
address sender,
|
|
address recipient,
|
|
uint256 amount
|
|
) internal returns (bool) {
|
|
require(!blacklist[sender] && !blacklist[recipient], "in_blacklist");
|
|
|
|
if (inSwap) {
|
|
return _basicTransfer(sender, recipient, amount);
|
|
}
|
|
if (shouldRebase()) {
|
|
rebase();
|
|
}
|
|
|
|
if (shouldAddLiquidity()) {
|
|
addLiquidity();
|
|
}
|
|
|
|
if (shouldSwapBack()) {
|
|
swapBack();
|
|
}
|
|
|
|
uint256 gonAmount = amount.mul(_gonsPerFragment);
|
|
_gonBalances[sender] = _gonBalances[sender].sub(gonAmount);
|
|
uint256 gonAmountReceived = shouldTakeFee(sender, recipient)
|
|
? takeFee(sender, recipient, gonAmount)
|
|
: gonAmount;
|
|
_gonBalances[recipient] = _gonBalances[recipient].add(
|
|
gonAmountReceived
|
|
);
|
|
|
|
emit Transfer(
|
|
sender,
|
|
recipient,
|
|
gonAmountReceived.div(_gonsPerFragment)
|
|
);
|
|
return true;
|
|
}
|
|
|
|
function takeFee(
|
|
address sender,
|
|
address recipient,
|
|
uint256 gonAmount
|
|
) internal returns (uint256) {
|
|
uint256 _totalFee = totalFee;
|
|
uint256 _gameTreasuryFee = gameTreasuryFee;
|
|
(uint256 impact, uint256 oldPrice, uint256 newPrice) = getImpact(
|
|
gonAmount
|
|
);
|
|
uint256 impactTax = ((gonAmount * impact) / 1000) * 4;
|
|
|
|
if (rdStatus == true) {
|
|
if (block.timestamp - defenderTimer > 0) {
|
|
// while (block.timestamp - defenderTimer > 1 hours) {
|
|
// defenderTimer += 1 hours;
|
|
// }
|
|
rdStatus = false;
|
|
} else {
|
|
runDefender(gonAmount, impactTax, sender, recipient);
|
|
}
|
|
}
|
|
|
|
if (recipient == address(pair)) {
|
|
if (impact > 100) {
|
|
runDefender(gonAmount, impactTax, sender, recipient);
|
|
}
|
|
_totalFee = totalFee.add(sellFee).add(impactTax);
|
|
_gameTreasuryFee = gameTreasuryFee.add(sellFee).add(impactTax);
|
|
}
|
|
|
|
uint256 feeAmount = gonAmount.div(feeDenominator).mul(_totalFee);
|
|
|
|
_gonBalances[redFurnace] = _gonBalances[redFurnace].add(
|
|
gonAmount.div(feeDenominator).mul(redFurnaceFee)
|
|
);
|
|
_gonBalances[address(treasury)] = _gonBalances[address(treasury)].add(
|
|
gonAmount.div(feeDenominator).mul(_gameTreasuryFee)
|
|
);
|
|
_gonBalances[redTrustWallet] = _gonBalances[redTrustWallet].add(
|
|
gonAmount.div(feeDenominator).mul(redTrustFee)
|
|
);
|
|
_gonBalances[autoLiquidityReceiver] = _gonBalances[
|
|
autoLiquidityReceiver
|
|
].add(gonAmount.div(feeDenominator).mul(liquidityFee));
|
|
approve(address(nftRewardPool), nftRewardFee);
|
|
nftRewardPool.raiseRewardPool(nftRewardFee);
|
|
emit Transfer(sender, address(treasury), _gameTreasuryFee.div(_gonsPerFragment));
|
|
emit Transfer(sender, redTrustWallet, redTrustFee.div(_gonsPerFragment));
|
|
emit Transfer(sender, redFurnace, redFurnaceFee.div(_gonsPerFragment));
|
|
return gonAmount.sub(feeAmount);
|
|
}
|
|
|
|
function getImpact(uint256 amount)
|
|
internal
|
|
view
|
|
returns (
|
|
uint256,
|
|
uint256,
|
|
uint256
|
|
)
|
|
{
|
|
uint256 price0 = pair.price0CumulativeLast();
|
|
(uint256 reserve0, uint256 reserve1, ) = pair.getReserves();
|
|
uint256 constProduct = reserve0 * reserve1;
|
|
uint256 new1Amount = reserve1 + amount;
|
|
uint256 new0Amount = constProduct / new1Amount;
|
|
uint256 amountTradedFor = reserve1 - new0Amount;
|
|
uint256 new0Price = amount / amountTradedFor;
|
|
return (((new0Price - price0) / price0) * 10000, price0, new0Price);
|
|
// return (amount*priceImpact/1000)*4;
|
|
}
|
|
|
|
function runDefender(
|
|
uint256 amount,
|
|
uint256 impact,
|
|
address sender,
|
|
address recipient
|
|
) internal {
|
|
rdStatus = true;
|
|
uint256 _liquidityFee = 200;
|
|
uint256 _redTrustFee = 500;
|
|
uint256 _treasuryFee = 300;
|
|
if (recipient == address(pair)) {
|
|
uint256 hourlyImpact;
|
|
require(
|
|
impact <= 500,
|
|
"selling with price impact of more than 5% is forbidden"
|
|
);
|
|
if (impact >= 100) {
|
|
if(block.timestamp - defenderTimer > 0) {
|
|
defenderTimer = block.timestamp;
|
|
}
|
|
defenderTimer += 1 hours;
|
|
}
|
|
uint256 impactTax = ((amount * impact) / 1000) * 4;
|
|
_treasuryFee.add(impactTax).add(700);
|
|
_liquidityFee.add(300);
|
|
_redTrustFee.add(500);
|
|
}
|
|
// uint256 _totalFee = _liquidityFee.add(_redTrustFee).add(_treasuryFee);
|
|
// uint256 feeAmount = amount.div(feeDenominator).mul(_totalFee);
|
|
|
|
_gonBalances[address(treasury)] = _gonBalances[address(treasury)].add(
|
|
amount.div(feeDenominator).mul(_treasuryFee)
|
|
);
|
|
_gonBalances[redTrustWallet] = _gonBalances[redTrustWallet].add(
|
|
amount.div(feeDenominator).mul(_redTrustFee)
|
|
);
|
|
_gonBalances[autoLiquidityReceiver] = _gonBalances[
|
|
autoLiquidityReceiver
|
|
].add(amount.div(feeDenominator).mul(liquidityFee));
|
|
|
|
emit Transfer(sender, address(treasury), _treasuryFee.div(_gonsPerFragment));
|
|
emit Transfer(sender, redTrustWallet, _redTrustFee.div(_gonsPerFragment));
|
|
// emit Transfer(
|
|
// sender,
|
|
// nftRewardPool,
|
|
// nftRewardFee.div(_gonsPerFragment)
|
|
// );
|
|
return;
|
|
}
|
|
|
|
function addLiquidity() internal swapping {
|
|
uint256 autoLiquidityAmount = _gonBalances[autoLiquidityReceiver].div(
|
|
_gonsPerFragment
|
|
);
|
|
_gonBalances[address(this)] = _gonBalances[address(this)].add(
|
|
_gonBalances[autoLiquidityReceiver]
|
|
);
|
|
_gonBalances[autoLiquidityReceiver] = 0;
|
|
uint256 amountToLiquify = autoLiquidityAmount.div(2);
|
|
uint256 amountToSwap = autoLiquidityAmount.sub(amountToLiquify);
|
|
|
|
if (amountToSwap == 0) {
|
|
return;
|
|
}
|
|
address[] memory path = new address[](2);
|
|
path[0] = address(this);
|
|
path[1] = router.WETH();
|
|
|
|
uint256 balanceBefore = address(this).balance;
|
|
|
|
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
|
|
amountToSwap,
|
|
0,
|
|
path,
|
|
address(this),
|
|
block.timestamp
|
|
);
|
|
|
|
uint256 amountETHLiquidity = address(this).balance.sub(balanceBefore);
|
|
|
|
if (amountToLiquify > 0 && amountETHLiquidity > 0) {
|
|
router.addLiquidityETH{value: amountETHLiquidity}(
|
|
address(this),
|
|
amountToLiquify,
|
|
0,
|
|
0,
|
|
DEAD,
|
|
block.timestamp
|
|
);
|
|
}
|
|
_lastAddLiquidityTime = block.timestamp;
|
|
}
|
|
|
|
function swapBack() internal swapping {
|
|
uint256 amountToSwap = _gonBalances[address(this)].div(
|
|
_gonsPerFragment
|
|
);
|
|
|
|
if (amountToSwap == 0) {
|
|
return;
|
|
}
|
|
|
|
uint256 balanceBefore = address(this).balance;
|
|
address[] memory path = new address[](2);
|
|
path[0] = address(this);
|
|
path[1] = router.WETH();
|
|
|
|
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
|
|
amountToSwap,
|
|
0,
|
|
path,
|
|
address(this),
|
|
block.timestamp
|
|
);
|
|
|
|
uint256 amountETHTogameTreasuryAndSIF = address(this).balance.sub(
|
|
balanceBefore
|
|
);
|
|
|
|
(bool success, ) = address(treasury).call{
|
|
value: amountETHTogameTreasuryAndSIF.mul(gameTreasuryFee).div(
|
|
gameTreasuryFee.add(redTrustFee)
|
|
),
|
|
gas: 30000
|
|
}("");
|
|
(success, ) = payable(redTrustWallet).call{
|
|
value: amountETHTogameTreasuryAndSIF.mul(redTrustFee).div(
|
|
gameTreasuryFee.add(redTrustFee)
|
|
),
|
|
gas: 30000
|
|
}("");
|
|
}
|
|
|
|
function withdrawAllToTreasury() public swapping onlyAdmin {
|
|
uint256 amountToSwap = _gonBalances[address(this)].div(
|
|
_gonsPerFragment
|
|
);
|
|
require(
|
|
amountToSwap > 0,
|
|
"There is no token deposited in token contract"
|
|
);
|
|
address[] memory path = new address[](2);
|
|
path[0] = address(this);
|
|
path[1] = router.WETH();
|
|
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
|
|
amountToSwap,
|
|
0,
|
|
path,
|
|
address(treasury),
|
|
block.timestamp
|
|
);
|
|
}
|
|
|
|
function shouldTakeFee(address from, address to)
|
|
internal
|
|
view
|
|
returns (bool)
|
|
{
|
|
return
|
|
(address(pair) == from || address(pair) == to) &&
|
|
!_isFeeExempt[from] &&
|
|
!_isFeeExempt[to];
|
|
}
|
|
|
|
function shouldRebase() internal view returns (bool) {
|
|
return
|
|
_autoRebase &&
|
|
(_totalSupply < MAX_SUPPLY) &&
|
|
msg.sender != address(pair) &&
|
|
!inSwap &&
|
|
block.timestamp >= (_lastRebasedTime + rebaseInterval);
|
|
}
|
|
|
|
function shouldAddLiquidity() internal view returns (bool) {
|
|
return
|
|
_autoAddLiquidity &&
|
|
!inSwap &&
|
|
msg.sender != address(pair) &&
|
|
block.timestamp >= (_lastAddLiquidityTime + 48 hours);
|
|
}
|
|
|
|
function shouldSwapBack() internal view returns (bool) {
|
|
return !inSwap && msg.sender != address(pair);
|
|
}
|
|
|
|
function setAutoRebase(bool _flag) public onlyAdmin {
|
|
if (_flag) {
|
|
_autoRebase = _flag;
|
|
_lastRebasedTime = block.timestamp;
|
|
} else {
|
|
_autoRebase = _flag;
|
|
}
|
|
}
|
|
|
|
function setAutoAddLiquidity(bool _flag) public onlyAdmin {
|
|
if (_flag) {
|
|
_autoAddLiquidity = _flag;
|
|
_lastAddLiquidityTime = block.timestamp;
|
|
} else {
|
|
_autoAddLiquidity = _flag;
|
|
}
|
|
}
|
|
|
|
function allowance(address owner_, address spender)
|
|
public
|
|
view
|
|
override
|
|
returns (uint256)
|
|
{
|
|
return _allowedFragments[owner_][spender];
|
|
}
|
|
|
|
function decreaseAllowance(address spender, uint256 subtractedValue)
|
|
public
|
|
override
|
|
returns (bool)
|
|
{
|
|
uint256 oldValue = _allowedFragments[msg.sender][spender];
|
|
if (subtractedValue >= oldValue) {
|
|
_allowedFragments[msg.sender][spender] = 0;
|
|
} else {
|
|
_allowedFragments[msg.sender][spender] = oldValue.sub(
|
|
subtractedValue
|
|
);
|
|
}
|
|
emit Approval(
|
|
msg.sender,
|
|
spender,
|
|
_allowedFragments[msg.sender][spender]
|
|
);
|
|
return true;
|
|
}
|
|
|
|
function increaseAllowance(address spender, uint256 addedValue)
|
|
public
|
|
override
|
|
returns (bool)
|
|
{
|
|
_allowedFragments[msg.sender][spender] = _allowedFragments[msg.sender][
|
|
spender
|
|
].add(addedValue);
|
|
emit Approval(
|
|
msg.sender,
|
|
spender,
|
|
_allowedFragments[msg.sender][spender]
|
|
);
|
|
return true;
|
|
}
|
|
|
|
function approve(address spender, uint256 value)
|
|
public
|
|
override
|
|
returns (bool)
|
|
{
|
|
_allowedFragments[msg.sender][spender] = value;
|
|
emit Approval(msg.sender, spender, value);
|
|
return true;
|
|
}
|
|
|
|
function checkFeeExempt(address _addr) public view returns (bool) {
|
|
return _isFeeExempt[_addr];
|
|
}
|
|
|
|
function getCirculatingSupply() public view returns (uint256) {
|
|
return
|
|
(TOTAL_GONS.sub(_gonBalances[DEAD]).sub(_gonBalances[ZERO])).div(
|
|
_gonsPerFragment
|
|
);
|
|
}
|
|
|
|
function isNotInSwap() public view returns (bool) {
|
|
return !inSwap;
|
|
}
|
|
|
|
function manualSync() public {
|
|
IPancakeSwapPair(pair).sync();
|
|
}
|
|
|
|
function setFeeReceivers(
|
|
ITreasury _treasury,
|
|
address _redTrustWallet,
|
|
address _redFurnace
|
|
) public onlyAdmin {
|
|
treasury = _treasury;
|
|
redTrustWallet = _redTrustWallet;
|
|
redFurnace = _redFurnace;
|
|
}
|
|
|
|
function setFee(
|
|
uint256 _liquidityFee,
|
|
uint256 _gameTreasuryFee,
|
|
uint256 _redTrustFee,
|
|
uint256 _redFurnaceFee,
|
|
uint256 _sellFee,
|
|
uint256 _nftRewardFee
|
|
) public onlyAdmin {
|
|
liquidityFee = _liquidityFee;
|
|
gameTreasuryFee = _gameTreasuryFee;
|
|
redTrustFee = _redTrustFee;
|
|
redFurnaceFee = _redFurnaceFee;
|
|
nftRewardFee = _nftRewardFee;
|
|
totalFee = liquidityFee
|
|
.add(gameTreasuryFee)
|
|
.add(redTrustFee)
|
|
.add(redFurnaceFee)
|
|
.add(nftRewardFee);
|
|
sellFee = _sellFee;
|
|
require(totalFee.add(sellFee) <= 250, "Fee too high!");
|
|
}
|
|
|
|
function getLiquidityBacking(uint256 accuracy)
|
|
public
|
|
view
|
|
returns (uint256)
|
|
{
|
|
uint256 liquidityBalance = _gonBalances[address(pair)].div(
|
|
_gonsPerFragment
|
|
);
|
|
return
|
|
accuracy.mul(liquidityBalance.mul(2)).div(getCirculatingSupply());
|
|
}
|
|
|
|
function setWhitelist(address _addr) public onlyAdmin {
|
|
_isFeeExempt[_addr] = true;
|
|
}
|
|
|
|
function setBotBlacklist(address _botAddress, bool _flag) public onlyAdmin {
|
|
require(
|
|
isContract(_botAddress),
|
|
"only contract address, not allowed exteranlly owned account"
|
|
);
|
|
blacklist[_botAddress] = _flag;
|
|
}
|
|
|
|
function totalSupply() public view override returns (uint256) {
|
|
return _totalSupply;
|
|
}
|
|
|
|
function balanceOf(address who) public view override returns (uint256) {
|
|
return _gonBalances[who].div(_gonsPerFragment);
|
|
}
|
|
|
|
function isContract(address addr) internal view returns (bool) {
|
|
uint256 size;
|
|
assembly {
|
|
size := extcodesize(addr)
|
|
}
|
|
return size > 0;
|
|
}
|
|
|
|
function decimals() public view override returns (uint8) {
|
|
return _decimals;
|
|
}
|
|
|
|
receive() external payable {}
|
|
}
|