Contract Name:
SpriteOnsenWater
Contract Source Code:
File 1 of 1 : SpriteOnsenWater
// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface IFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
function getPair(address tokenA, address tokenB) external view returns (address pair);
}
interface IRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
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 IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(
address(this).balance >= amount,
"Address: insufficient balance"
);
(bool success, ) = recipient.call{value: amount}("");
require(
success,
"Address: unable to send value, recipient may have reverted"
);
}
function functionCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return
functionCallWithValue(
target,
data,
value,
"Address: low-level call with value failed"
);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(
address(this).balance >= value,
"Address: insufficient balance for call"
);
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(
data
);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data)
internal
view
returns (bytes memory)
{
return
functionStaticCall(
target,
data,
"Address: low-level static call failed"
);
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return
functionDelegateCall(
target,
data,
"Address: low-level delegate call failed"
);
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) private pure returns (bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(
address from,
address to,
uint256 amount
) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
// Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
// decrementing then incrementing.
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
unchecked {
// Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
// Overflow not possible: amount <= accountBalance <= totalSupply.
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _spendAllowance(
address owner,
address spender,
uint256 amount
) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
contract SpriteOnsenWater is Ownable, ERC20 {
using Address for address;
IRouter public uniswapV2Router;
address public immutable uniswapV2Pair;
string private constant _name = "Sprite Onsen: Water Token";
string private constant _symbol = "WATER";
uint256 public initialSupply = 40000 * (10**18);
bool private _swapping;
uint256 public minimumTokensBeforeSwap = initialSupply * 25 / 100000;
address public targetAWallet;
address public targetBWallet;
address public targetCWallet;
address public USDC = 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48;
struct CustomTaxPeriod {
bytes23 periodName;
uint8 targetAFeeOnBuy;
uint8 targetAFeeOnSell;
uint8 targetBFeeOnBuy;
uint8 targetBFeeOnSell;
uint8 targetCFeeOnBuy;
uint8 targetCFeeOnSell;
}
// Base taxes
CustomTaxPeriod private _base = CustomTaxPeriod("base", 5, 5, 5, 5, 1, 1);
mapping(address => bool) private _isExcludedFromFee;
mapping(address => bool) public automatedMarketMakerPairs;
uint8 private _targetAFee;
uint8 private _targetBFee;
uint8 private _targetCFee;
uint8 private _totalFee;
event AutomatedMarketMakerPairChange(address indexed pair, bool indexed value);
event UniswapV2RouterChange(address indexed newAddress, address indexed oldAddress);
event WalletChange(string indexed indentifier,address indexed newWallet,address indexed oldWallet);
event FeeChange(string indexed identifier,uint8 targetAFee, uint8 targetBFee, uint8 targetCFee);
event CustomTaxPeriodChange(uint256 indexed newValue,uint256 indexed oldValue,string indexed taxType,bytes23 period);
event ExcludeFromFeesChange(address indexed account, bool isExcluded);
event MinTokenAmountBeforeSwapChange(uint256 indexed newValue, uint256 indexed oldValue);
event ClaimOverflow(address token, uint256 amount);
event FeesApplied(uint8 targetAFee, uint8 targetBFee, uint8 targetCFee, uint8 totalFee);
constructor() ERC20(_name, _symbol) {
targetAWallet = owner();
targetBWallet = owner();
targetCWallet = owner();
IRouter _uniswapV2Router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _uniswapV2Pair = IFactory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_mint(owner(), initialSupply);
}
receive() external payable {}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
require(automatedMarketMakerPairs[pair] != value,"Test Token: Automated market maker pair is already set to that value");
automatedMarketMakerPairs[pair] = value;
emit AutomatedMarketMakerPairChange(pair, value);
}
function excludeFromFees(address account, bool excluded) external onlyOwner {
require(_isExcludedFromFee[account] != excluded,"Test Token: Account is already the value of 'excluded'");
_isExcludedFromFee[account] = excluded;
emit ExcludeFromFeesChange(account, excluded);
}
function setWallets(address newTargetAWallet, address newTargetBWallet, address newTargetCWallet) external onlyOwner {
if (targetAWallet != newTargetAWallet) {
require(newTargetAWallet != address(0), "Test Token: The targetAWallet cannot be 0");
emit WalletChange("targetAWallet", newTargetAWallet, targetAWallet);
targetAWallet = newTargetAWallet;
}
if (targetBWallet != newTargetBWallet) {
require(newTargetBWallet != address(0), "Test Token: The targetBWallet cannot be 0");
emit WalletChange("targetBWallet", newTargetBWallet, targetBWallet);
targetBWallet = newTargetBWallet;
}
if (targetCWallet != newTargetCWallet) {
require(newTargetCWallet != address(0), "Test Token: The targetCWallet cannot be 0");
emit WalletChange("targetCWallet", newTargetCWallet, targetCWallet);
targetCWallet = newTargetCWallet;
}
}
// Base fees
function setBaseFeesOnBuy(uint8 _targetAFeeOnBuy, uint8 _targetBFeeOnBuy, uint8 _targetCFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_base,_targetAFeeOnBuy,_targetBFeeOnBuy, _targetCFeeOnBuy);
emit FeeChange("baseFees-Buy",_targetAFeeOnBuy,_targetBFeeOnBuy, _targetCFeeOnBuy);
}
function setBaseFeesOnSell(uint8 _targetAFeeOnSell, uint8 _targetBFeeOnSell, uint8 _targetCFeeOnSell ) external onlyOwner {
_setCustomSellTaxPeriod(_base,_targetAFeeOnSell, _targetBFeeOnSell, _targetCFeeOnSell);
emit FeeChange("baseFees-Sell",_targetAFeeOnSell, _targetBFeeOnSell, _targetCFeeOnSell);
}
function setUniswapRouter(address newAddress) external onlyOwner {
require(newAddress != address(uniswapV2Router),"Test Token: The router already has that address");
emit UniswapV2RouterChange(newAddress, address(uniswapV2Router));
uniswapV2Router = IRouter(newAddress);
}
function setMinimumTokensBeforeSwap(uint256 newValue) external onlyOwner {
require(newValue != minimumTokensBeforeSwap,"Test Token: Cannot update minimumTokensBeforeSwap to same value");
emit MinTokenAmountBeforeSwapChange(newValue, minimumTokensBeforeSwap);
minimumTokensBeforeSwap = newValue;
}
function claimETHOverflow(uint256 amount) external onlyOwner {
require(amount <= address(this).balance, "Test Token: Cannot send more than contract balance");
(bool success, ) = address(owner()).call{ value: amount }("");
if (success) {
emit ClaimOverflow(uniswapV2Router.WETH(), amount);
}
}
// Getters
function getBaseBuyFees() external view returns (uint8,uint8, uint8) {
return (_base.targetAFeeOnBuy,_base.targetBFeeOnBuy, _base.targetCFeeOnBuy);
}
function getBaseSellFees() external view returns (uint8,uint8,uint8) {
return (_base.targetAFeeOnSell,_base.targetBFeeOnSell, _base.targetCFeeOnSell);
}
// Main
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
if (amount == 0) {
super._transfer(from, to, 0);
return;
}
_adjustTaxes(automatedMarketMakerPairs[from], automatedMarketMakerPairs[to]);
bool canSwap = balanceOf(address(this)) >= minimumTokensBeforeSwap;
if (
canSwap &&
!_swapping &&
_totalFee > 0 &&
automatedMarketMakerPairs[to]
) {
_swapping = true;
_swapAndTransfer();
_swapping = false;
}
bool takeFee = !_swapping;
if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) {
takeFee = false;
}
if (takeFee && _totalFee > 0) {
uint256 fee = (amount * _totalFee) / 100;
amount = amount - fee;
super._transfer(from, address(this), fee);
}
super._transfer(from, to, amount);
}
function _adjustTaxes(bool isBuyFromLp,bool isSelltoLp) private {
_targetAFee = 0;
_targetBFee = 0;
_targetCFee = 0;
if (isBuyFromLp) {
_targetAFee = _base.targetAFeeOnBuy;
_targetBFee = _base.targetBFeeOnBuy;
_targetCFee = _base.targetCFeeOnBuy;
}
if (isSelltoLp) {
_targetAFee = _base.targetAFeeOnSell;
_targetBFee = _base.targetBFeeOnSell;
_targetCFee = _base.targetCFeeOnSell;
}
_totalFee = _targetAFee + _targetBFee + _targetCFee;
emit FeesApplied(_targetAFee, _targetBFee, _targetCFee, _totalFee);
}
function _setCustomSellTaxPeriod(CustomTaxPeriod storage map,uint8 _targetAFeeOnSell, uint8 _targetBFeeOnSell, uint8 _targetCFeeOnSell ) private {
if (map.targetAFeeOnSell != _targetAFeeOnSell) {
emit CustomTaxPeriodChange(_targetAFeeOnSell,map.targetAFeeOnSell,"targetAFeeOnSell",map.periodName);
map.targetAFeeOnSell = _targetAFeeOnSell;
}
if (map.targetBFeeOnSell != _targetBFeeOnSell) {
emit CustomTaxPeriodChange(_targetBFeeOnSell,map.targetBFeeOnSell,"targetBFeeOnSell",map.periodName);
map.targetBFeeOnSell = _targetBFeeOnSell;
}
if (map.targetCFeeOnSell != _targetCFeeOnSell) {
emit CustomTaxPeriodChange(_targetCFeeOnSell,map.targetCFeeOnSell,"targetCFeeOnSell",map.periodName);
map.targetCFeeOnSell = _targetCFeeOnSell;
}
}
function _setCustomBuyTaxPeriod(CustomTaxPeriod storage map,uint8 _targetAFeeOnBuy, uint8 _targetBFeeOnBuy, uint8 _targetCFeeOnBuy) private {
if (map.targetAFeeOnBuy != _targetAFeeOnBuy) {
emit CustomTaxPeriodChange(_targetAFeeOnBuy,map.targetAFeeOnBuy,"targetAFeeOnBuy",map.periodName);
map.targetAFeeOnBuy = _targetAFeeOnBuy;
}
if (map.targetBFeeOnBuy != _targetBFeeOnBuy) {
emit CustomTaxPeriodChange(_targetBFeeOnBuy,map.targetBFeeOnBuy,"targetBFeeOnBuy",map.periodName);
map.targetBFeeOnBuy = _targetBFeeOnBuy;
}
if (map.targetCFeeOnBuy != _targetCFeeOnBuy) {
emit CustomTaxPeriodChange(_targetCFeeOnBuy,map.targetCFeeOnBuy,"targetCFeeOnBuy",map.periodName);
map.targetCFeeOnBuy = _targetCFeeOnBuy;
}
}
function _swapAndTransfer() private {
uint256 contractBalance = balanceOf(address(this));
uint256 initialETHBalance = address(this).balance;
uint16 _totalFeePrior = _totalFee;
_swapTokensForETH(contractBalance);
uint256 ETHBalanceAfterSwap = address(this).balance - initialETHBalance;
uint256 amountETHTargetA = (ETHBalanceAfterSwap * _targetAFee) / _totalFeePrior;
uint256 amountETHTargetB = (ETHBalanceAfterSwap * _targetBFee) / _totalFeePrior;
uint256 amountETHTargetC = ETHBalanceAfterSwap - (amountETHTargetA + amountETHTargetB);
Address.sendValue(payable(targetAWallet),amountETHTargetA);
_swapETHForCustomToken(amountETHTargetB, USDC, targetBWallet);
_swapETHForCustomToken(amountETHTargetC, USDC, targetCWallet);
}
function _swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
1, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function _swapETHForCustomToken(uint256 ethAmount, address token, address wallet) private {
address[] memory path = new address[](2);
path[0] = uniswapV2Router.WETH();
path[1] = token;
uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value : ethAmount}(
1, // accept any amount of ETH
path,
wallet,
block.timestamp
);
}
}