Contract Name:
LumiiiToken
Contract Source Code:
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.6;
import "./LumiiiGovernance.sol";
import "./LumiiiReflections.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/utils/Context.sol";
import "@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol";
import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
contract LumiiiToken is Context, IERC20, LumiiiGovernance, LumiiiReflections {
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
constructor (address charityWallet, address opsWallet, address routerAddress) public {
_rOwned[_msgSender()] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(routerAddress);
// Create a uniswap pair for this new token
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
// set the rest of the contract variables
uniswapV2Router = _uniswapV2Router;
// Set charity and ops wallets
_charityWallet = charityWallet;
_opsWallet = opsWallet;
//exclude owner, contract, charity wallet, and ops wallet from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
// Exclude charity and ops wallet from rewards
excludeFromReward(_charityWallet);
excludeFromReward(_opsWallet);
excludeFromReward(address(0));
emit Transfer(address(0), _msgSender(), _tTotal);
}
/**
@notice Returns name of token
*/
function name() public view returns (string memory) {
return _name;
}
/**
@notice Returns symbol of token
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
@notice Returns symbol of token
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
@notice Returns total supply of token
*/
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
/**
@notice Returns token balance for an account
@param account The address to check balance of
*/
function balanceOf(address account) public view override returns (uint256) {
// If account is excluded from fees, return true amount owned
if (_isExcluded[account]) return _tOwned[account];
// Return reflected amount owned converted to true amount
return tokenFromReflection(_rOwned[account]);
}
/**
@notice Transfers tokens from msg.sender to recipient
@param recipient address of transfer recipient
@param amount token amount to transfer
*/
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
_moveDelegates(_delegates[msg.sender], _delegates[recipient], amount);
return true;
}
/**
@notice Delegate votes from msg.sender to delegatee
@param delegatee The address to delegate votes to
*/
function delegate(address delegatee) external {
uint256 delegatorBalance = balanceOf(msg.sender);
address currentDelegate = _delegates[msg.sender]; // Will be 0 address if msg.sender has no delegates
_delegates[msg.sender] = delegatee;
emit DelegateChanged(msg.sender, currentDelegate, delegatee);
_moveDelegates(currentDelegate, delegatee, delegatorBalance);
}
/**
@notice Get allowance for a user
@param owner address giving allowance
@param spender address spending tokens from owner
*/
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
/**
@notice Approve user to spend tokens from msg.sender
@param spender address of user spending tokens
@param amount token amount to approve
*/
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
@notice Transfers tokens from sender to recipient
@param sender Address to send tokens from
@param recipient Address receiving tokens
@param amount Amount to transfer
*/
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "amount exceeds allowance"));
_moveDelegates(_delegates[sender], _delegates[recipient], amount);
return true;
}
/**
@notice Increase allowance of a user
@param spender Address to increase allowance of
@param addedValue Amount to increase allowance by
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
@notice Decrease allowance of a user
@param spender Address to decrease allowance of
@param subtractedValue Amount to decrease allowance by
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "decreased allowance below zero"));
return true;
}
/**
@notice Set a new charity walllet
@param newWallet Address of new charity wallet
*/
function setCharityWallet(address newWallet) external onlyOwner() {
// Include old wallet
includeInReward(_charityWallet);
_charityWallet = newWallet;
//Exclude new wallet
excludeFromReward(_charityWallet);
}
/**
@notice Set new operations wallet
@param newWallet Address of new operations wallet
*/
function setOpsWallet(address newWallet) external onlyOwner() {
// Include old wallet
includeInReward(_opsWallet);
_opsWallet = newWallet;
// Exclude new wallet
excludeFromReward(_opsWallet);
}
//to recieve ETH from uniswapV2Router when swaping
receive() external payable {}
/**
@notice Helper function for approve
*/
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "approve from zero address");
require(spender != address(0), "approve to zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
@notice Helper function for transfer. Checks if transfer is valid, fees are taken, and if liquidity swap
should occour
*/
function _transfer(
address from,
address to,
uint256 amount
) private {
// Check if transfer is valid
require(from != address(0), "transfer from zero address");
require(to != address(0), "transfer to zero address");
require(amount > 0, "amount not greater than zero");
if(from != owner() && to != owner())
require(amount <= _maxTxAmount, "amount exceeds maxTxAmount");
uint256 contractTokenBalance = balanceOf(address(this));
if(contractTokenBalance >= _maxTxAmount)
{
contractTokenBalance = _maxTxAmount;
}
bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity;
// check balance and add liquidity if needed
if (
overMinTokenBalance &&
!inSwapAndLiquify &&
from != uniswapV2Pair &&
swapAndLiquifyEnabled
) {
contractTokenBalance = numTokensSellToAddToLiquidity;
//add liquidity
swapAndLiquify(contractTokenBalance);
}
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
//transfer amount, it will take tax, burn, liquidity fee
_tokenTransfer(from,to,amount,takeFee);
}
/**
@notice Swap tokens of local liquidity pool and add to uniswap pool
*/
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
// split the contract balance into halves
uint256 half = contractTokenBalance.div(2);
uint256 otherHalf = contractTokenBalance.sub(half);
// capture the contract's current ETH balance.
uint256 initialBalance = address(this).balance;
// swap tokens for ETH
swapTokensForEth(half);
uint256 newBalance = address(this).balance.sub(initialBalance);
// add liquidity to uniswap
addLiquidity(otherHalf, newBalance);
emit SwapAndLiquify(half, newBalance, otherHalf);
}
/**
@notice Swaps LUMIII token for ETH
*/
function swapTokensForEth(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
/**
@notice Add liquidity to uniswap pool
*/
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(uniswapV2Router), tokenAmount);
// add the liquidity
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner(),
block.timestamp
);
}
// function deliver(uint256 tAmount) public {
// address sender = _msgSender();
// require(!_isExcluded[sender], "Excluded addresses cannot call this function");
// (uint256 rAmount,,) = _getValues(tAmount);
// _rOwned[sender] = _rOwned[sender].sub(rAmount);
// _rTotal = _rTotal.sub(rAmount);
// _tFeeTotal = _tFeeTotal.add(tAmount);
// }
}
pragma solidity ^0.6.6;
import "./LumiiiStorage.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
contract LumiiiGovernance is LumiiiStorage, Ownable{
/// @notice An event thats emitted when an account changes its delegate
event DelegateChanged(
address indexed delegator,
address indexed fromDelegate,
address indexed toDelegate
);
/// @notice An event thats emitted when a delegate account's vote balance changes
event DelegateVotesChanged(
address indexed delegate,
uint256 previousBalance,
uint256 newBalance
);
/**
@notice Gets prior number of votes for an account as of given blockNumber
@param account Address of account to check
@param blockNumber Block number to get votes at
*/
function getPriorVotes(address account, uint256 blockNumber) external view returns (uint256) {
require(blockNumber < block.number, "LIFE::getPriorVotes: not yet determined");
uint32 nCheckpoints = numCheckpoints[account];
if (nCheckpoints == 0) {
return 0;
}
// Check most recent balance
if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {
return checkpoints[account][nCheckpoints - 1].votes;
}
// Check implicit zero balance -> returning here
if (checkpoints[account][0].fromBlock > blockNumber) {
return 0;
}
// Binary search
uint32 lower = 0;
uint32 upper = nCheckpoints - 1;
while (upper > lower) {
uint32 center = upper - (upper - lower) / 2;
Checkpoint memory cp = checkpoints[account][center];
if (cp.fromBlock < blockNumber) {
lower = center;
} else {
upper = center - 1;
}
}
return checkpoints[account][lower].votes;
}
/**
@notice Gets current votes for an account
@param account Address to get votes of
*/
function getCurrentVotes(address account) external view returns (uint256) {
uint32 nCheckpoints = numCheckpoints[account];
return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0;
}
/**
@notice Get delegatee for an address delegating
@param delegator Address to get delegatee for
*/
function delegates(address delegator) external view returns (address) {
return _delegates[delegator];
}
/**
@notice Move delegates from srcRep address to dstRep. If ether are the address, delegates are
increased/decreased accordingly rather than moved.
@param srcRep Address to move delegates from
@param dstRep Address to move delegates to
@param amount Amount of delegates to mvoe
*/
function _moveDelegates(address srcRep, address dstRep, uint256 amount) internal {
if (srcRep != dstRep && amount > 0) {
if (srcRep != address(0)) {
// decrease old representative
uint32 srcRepNum = numCheckpoints[srcRep];
uint256 srcRepOld = srcRepNum > 0
? checkpoints[srcRep][srcRepNum - 1].votes
: 0;
uint256 srcRepNew = srcRepOld.sub(amount);
_writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew);
}
if (dstRep != address(0)) {
// increase new representative
uint32 dstRepNum = numCheckpoints[dstRep];
uint256 dstRepOld = dstRepNum > 0
? checkpoints[dstRep][dstRepNum - 1].votes
: 0;
uint256 dstRepNew = dstRepOld.add(amount);
_writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew);
}
}
}
/**
@notice Writes new checkpoint for delegatee with new votes and block number
@param delegatee Address for new checkppint
@param nCheckpoints Number of checkpoints for delegatee
@param oldVotes Number of votes for delegatee at old checkpoint
@param newVotes Number of votes for delegatee at new checkpoint
*/
function _writeCheckpoint(address delegatee, uint32 nCheckpoints, uint256 oldVotes, uint256 newVotes) internal {
require(block.number < 2**32, "block number exceeds 32 bits");
uint32 blockNumber = uint32(block.number);
if (
nCheckpoints > 0 &&
checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber
) {
checkpoints[delegatee][nCheckpoints - 1].votes = newVotes;
} else {
checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes); // Checkpoint object
numCheckpoints[delegatee] = nCheckpoints + 1;
}
emit DelegateVotesChanged(delegatee, oldVotes, newVotes);
}
}
pragma solidity ^0.6.6;
import "./LumiiiStorage.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
contract LumiiiReflections is LumiiiStorage, Ownable {
/// @notice event emitted when SwapAndLiquifyEnabled is updated
event SwapAndLiquifyEnabledUpdated(bool enabled);
/// @notice event emitted when tokens are swapped and liquified
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
/// @notice event emitted when transfer occours
event Transfer(address indexed from, address indexed to, uint256 value);
/// @notice modifier to show that contract is in swapAndLiquify
modifier lockTheSwap() {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
/**
@notice Caclulate tax fees for transfer amount
@param _amount Amount to calculate tax on
*/
function calculateFees(uint256 _amount) public view returns (uint256, uint256, uint256, uint256) {
uint256 tax = _amount.mul(_taxFee).div(10**2);
uint256 liquidity= _amount.mul(_liquidityFee).div(10**2);
uint256 charity = _amount.mul(_charityFee).div(10**2);
uint256 ops = _amount.mul(_opsFee).div(10**2);
return (tax, liquidity, charity, ops);
}
/**
@notice Sets maxTxPercent
*/
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
_maxTxAmount = _tTotal.mul(maxTxPercent).div(
10**2
);
}
/**
@notice Sets new fees
*/
function setFees(uint256 taxFee, uint256 liquidityFee, uint256 charityFee, uint256 opsFee) external onlyOwner() {
require(opsFee + taxFee + liquidityFee + charityFee <= 10);
_taxFee = taxFee;
_liquidityFee = liquidityFee;
_charityFee = charityFee;
_opsFee = opsFee;
}
/**
@notice Enable/disable swapAndLiquify
*/
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
/**
@notice Get true and reflected values for a transfer amount
@param tAmount true amount being transfered
*/
function _getValues(uint256 tAmount) internal view returns (uint256, valueStruct memory, valueStruct memory) {
// Get the true transfer, fee, and liquidity values
valueStruct memory tValues = _getTValues(tAmount);
// Get the reflected amount, trasfer amount, and reflected fee
(uint256 rAmount, valueStruct memory rValues) = _getRValues(tAmount, tValues.fee, tValues.liquidity,
tValues.charity, tValues.ops, _getRate());
return (rAmount, rValues, tValues);
}
/**
@notice Gets true values for transfer amount
@param tAmount true amount being transfered
*/
function _getTValues(uint256 tAmount) internal view returns (valueStruct memory) {
// Get the tax fee for true amount
valueStruct memory tValues;
// Get tax amount
(tValues.fee, tValues.liquidity, tValues.charity, tValues.ops) = calculateFees(tAmount);
// Substract tax fee and liquidity fee from true amount, result is the true transfer amount
tValues.transferAmount = tAmount.sub(tValues.fee).sub(tValues.liquidity).sub(tValues.charity).sub(tValues.ops);
return tValues;
}
/**
@notice Gets reflected values for transfer amount
@param tAmount true amount being transfered
@param tFee true rewards tax amount
@param tLiquidity true liquidity tax amount
@param tCharity true charity tax amount
@param tOps true operations tax amount
@param currentRate current rate of conversion between true and reflected space
*/
function _getRValues(uint256 tAmount, uint256 tFee,
uint256 tLiquidity, uint256 tCharity,
uint256 tOps, uint256 currentRate
) internal pure returns (uint256, valueStruct memory) {
valueStruct memory rValues;
// Covert true amount to reflected amount using current conversion rate
uint256 rAmount = tAmount.mul(currentRate);
rValues.fee = tFee.mul(currentRate);
// Calcualte reflected liquidity fee
rValues.liquidity = tLiquidity.mul(currentRate);
// Get reflected charity fee
rValues.charity = tCharity.mul(currentRate);
// Get reflected operations fee
rValues.ops = tOps.mul(currentRate);
// Subtract reflexed tax and liqudity fee from reflected amount, result is reflected transfer amouunts
rValues.transferAmount = rAmount.sub(rValues.fee).sub(rValues.liquidity).sub(rValues.charity).sub(rValues.ops);
return (rAmount, rValues);
}
/**
@notice Adds liquidty to local pool
@param tLiquidity Amount of liquidity to add
*/
function _takeLiquidity(uint256 tLiquidity) internal {
// Get conversion rate
uint256 currentRate = _getRate();
// Calculate reflected liquidty
uint256 rLiquidity = tLiquidity.mul(currentRate);
// Add reflected liqduity to contract balance
_rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity);
// If contract is excluded from reflection fees, add true liqiduity
if(_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity);
}
/**
@notice Adds charity to charity wallet
@param tCharity Amount of charity to add
*/
function _takeCharity(uint256 tCharity) internal {
// Get conversion rate
uint256 currentRate = _getRate();
// Calculate reflected charity
uint256 rCharity = tCharity.mul(currentRate);
// Add reflected charity to contract balance
_rOwned[_charityWallet] = _rOwned[_charityWallet].add(rCharity);
// If contract is excluded from reflection fees, add true charity
if(_isExcluded[_charityWallet])
_tOwned[_charityWallet] = _tOwned[_charityWallet].add(tCharity);
}
/**
@notice Adds operation fee to operation wallet
@param tOps Amount of operation fees to add
*/
function _takeOps(uint256 tOps) internal {
// Get conversion rate
uint256 currentRate = _getRate();
// Calculate reflected charity
uint256 rOps = tOps.mul(currentRate);
// Add reflected charity to contract balance
_rOwned[_opsWallet] = _rOwned[_opsWallet].add(rOps);
// If contract is excluded from reflection fees, add true charity
if(_isExcluded[_opsWallet])
_tOwned[_opsWallet] = _tOwned[_opsWallet].add(tOps);
}
/// @notice Gets the rate of conversion r-space and t-space
function _getRate() internal view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
// rSupply: unexcluded reflected total, tSupply: unexcluded true total
return rSupply.div(tSupply); // Percentage of reflections each non-exluded holder will receive
}
/// @notice gets true and reflected supply for unexcluded accounts
function _getCurrentSupply() internal view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
// Account for wallet addresses that are exluded from reward => Allows for higher refleciton percentage
// Subtract them from rSupply, tSupply
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
/**
@notice Account for (rewards) fee in true and reflected spaces
@param rFee reflected fee amount
@param tFee true fee amount
*/
function _reflectFee(uint256 rFee, uint256 tFee) internal {
// Caluclate new reflected total
_rTotal = _rTotal.sub(rFee);
// Add true fee to true fee total
_tFeeTotal = _tFeeTotal.add(tFee);
}
/// @notice Remove all fees
function removeAllFee() internal {
if(_taxFee == 0 && _liquidityFee == 0 && _charityFee == 0 && _opsFee == 0) return;
_previousTaxFee = _taxFee;
_previousLiquidityFee = _liquidityFee;
_previousCharityFee = _charityFee;
_previousOpsFee = _opsFee;
_taxFee = 0;
_liquidityFee = 0;
_charityFee = 0;
_opsFee = 0;
}
/// @notice Restore all fees to previous value
function restoreAllFee() internal {
_taxFee = _previousTaxFee;
_liquidityFee = _previousLiquidityFee;
_charityFee = _previousCharityFee;
_opsFee = _previousOpsFee;
}
/**
@notice Converts reflected to true amount
@param rAmount Reflect token amount o convert
*/
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
// Get the current reflection conversion rate
uint256 currentRate = _getRate();
// Return reflected amount divided by current rate, equal to tAmount
// rAmount / (rSupply/tSupply) = rAmount * (tSupply/rSupply) = tAmount
return rAmount.div(currentRate);
}
/**
@notice Converts true to reflected amount
@param tAmount True amount to convert
@param deductTransferFee Bool to check if fees should be deducted
*/
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
if (!deductTransferFee) {
(uint256 rAmount,,) = _getValues(tAmount);
return rAmount;
} else {
(,valueStruct memory rValues,) = _getValues(tAmount);
return rValues.transferAmount;
}
}
/**
@notice Excludes a user from rewards
@param account Address to exclude
*/
function excludeFromReward(address account) public onlyOwner() {
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
/**
@notice Excludes a user from fees
@param account Address to exclude
*/
function excludeFromFee(address account) public onlyOwner() {
_isExcludedFromFee[account] = true;
}
/**
@notice Include a user in rewards and fees
@param account Address to include
*/
function includeInReward(address account) public onlyOwner() {
require(_isExcluded[account], "Account is already excluded");
_isExcludedFromFee[account] = false;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
/// @notice Check if account is excluded
function isExcluded(address account) public view returns (bool) {
return _isExcluded[account];
}
/**
@notice Transfer helper to account for different transfer types
@param sender Transfer sender
@param recipient Transfer recipient
@param amount Transfer amount
@param takeFee Bool indicating if fees should be taken
*/
function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) internal {
if(!takeFee)
removeAllFee();
// Check if sendeer/recipient are excluded, if so _transferFromExcluded, otherwise _transferStandard
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if(!takeFee)
restoreAllFee();
}
/// @notice Transfer helper for when both sender/recipient are included in rewards and fees
function _transferStandard(address sender, address recipient, uint256 tAmount) internal {
// Convert from true to reflected space
(uint256 rAmount, valueStruct memory rValues, valueStruct memory tValues) = _getValues(tAmount);
// Subtract reflected amount from sender
_rOwned[sender] = _rOwned[sender].sub(rAmount);
// Add reflected transfer amount to recipient (taxed are deduceted)
_rOwned[recipient] = _rOwned[recipient].add(rValues.transferAmount);
// Take liqduity from transfer
_takeLiquidity(tValues.liquidity);
// Take charity fee from transfer
_takeCharity(tValues.charity);
// Take operations fee from transfer
_takeOps(tValues.ops);
// Update reflected total and true fee total
_reflectFee(rValues.fee, tValues.fee);
emit Transfer(sender, recipient, tValues.transferAmount);
}
/// @notice Transfer helper for when sender is included but recipient isnt
function _transferToExcluded(address sender, address recipient, uint256 tAmount) internal {
(uint256 rAmount, valueStruct memory rValues, valueStruct memory tValues) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tValues.transferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rValues.transferAmount);
_takeLiquidity(tValues.liquidity);
// Take charity fee from transfer
_takeCharity(tValues.charity);
// Take operations fee from transfer
_takeOps(tValues.ops);
_reflectFee(rValues.liquidity, tValues.liquidity);
emit Transfer(sender, recipient, tValues.liquidity);
}
/// @notice Transfer helper for when recipient is included but sender isnt
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) internal {
(uint256 rAmount, valueStruct memory rValues, valueStruct memory tValues) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rValues.transferAmount);
_takeLiquidity(tValues.liquidity);
// Take charity fee from transfer
_takeCharity(tValues.charity);
// Take operations fee from transfer
_takeOps(tValues.ops);
_reflectFee(rValues.fee, tValues.fee);
emit Transfer(sender, recipient, tValues.transferAmount);
}
/// @notice Transfer helper for when both sender/recipient are excluded from rewards and fees
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) internal {
(uint256 rAmount, valueStruct memory rValues, valueStruct memory tValues) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tValues.transferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rValues.transferAmount);
_takeLiquidity(tValues.liquidity);
_reflectFee(rValues.liquidity, tValues.liquidity);
emit Transfer(sender, recipient, tValues.transferAmount);
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with GSN meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
pragma solidity >=0.5.0;
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
pragma solidity >=0.6.2;
import './IUniswapV2Router01.sol';
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
pragma solidity ^0.6.6;
import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
contract LumiiiStorage {
using SafeMath for uint256;
using Address for address;
/// @notice Reflected amount owned for each address
mapping(address => uint256) internal _rOwned;
/// @notice True amount owned for each address
mapping(address => uint256) internal _tOwned;
/// @notice Allowance for each address
mapping(address => mapping(address => uint256)) internal _allowances;
/// @notice Fee exclusion for each address
mapping(address => bool) internal _isExcludedFromFee;
/// @notice Rewards exclusion for each address
mapping(address => bool) internal _isExcluded;
/// @notice Each accounts delegates
mapping(address => address) internal _delegates;
/// @notice A record of votes checkpoints for each account, by index
mapping(address => mapping(uint32 => Checkpoint)) public checkpoints;
/// @notice The number of checkpoints for each account
mapping(address => uint32) public numCheckpoints;
/// @notice Excluded addressess
address[] internal _excluded;
address _charityWallet;
address _opsWallet;
/// @notice Max uint256 values
uint256 internal constant MAX = ~uint256(0);
/// @notice True total
uint256 internal _tTotal = 10000 * 10**6 * 10**18;
/// @notice Reflected total
uint256 internal _rTotal = (MAX - (MAX % _tTotal));
/// @notice True fee total
uint256 internal _tFeeTotal;
string internal _name = "LumiiiToken";
string internal _symbol = "LUMIII";
uint8 internal _decimals = 18;
/// @notice Reflection tax fee
uint256 public _taxFee = 3;
uint256 internal _previousTaxFee = _taxFee;
/// @notice Liquidity tax fee
uint256 public _liquidityFee = 3;
uint256 internal _previousLiquidityFee = _liquidityFee;
/// @notice Charity tax fee
uint256 public _charityFee = 1;
uint256 internal _previousCharityFee = _charityFee;
/// @notice operations fee
uint256 public _opsFee = 3;
uint256 internal _previousOpsFee = _opsFee;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
/// @notice Max tax amount
uint256 public _maxTxAmount = 50 * 10**6 * 10**18;
/// @notice Token threshold for adding to uniswap liquidity pool
uint256 internal numTokensSellToAddToLiquidity = 5 * 10**6 * 10**18;
/// @notice Struct for getValues functions
struct valueStruct {
uint256 transferAmount;
uint256 fee;
uint256 liquidity;
uint256 charity;
uint256 ops;
}
/// @notice Struct for checkpoints
struct Checkpoint {
uint32 fromBlock;
uint256 votes;
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
import "../utils/Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b > a) return (false, 0);
return (true, a - b);
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a / b);
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a % b);
}
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) return 0;
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: modulo by zero");
return a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
return a - b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting with custom message on
* division by zero. The result is rounded towards zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryDiv}.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a % b;
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.2 <0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
// solhint-disable-next-line no-inline-assembly
assembly { size := extcodesize(account) }
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
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");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
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");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
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);
}
}
}
}
pragma solidity >=0.6.2;
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}