coinkrali
Newbie
- BNB
- 0,00000350
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IBEP20 {
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);
}
contract BuyOnlyToken is IBEP20 {
string public name = "BuyOnlyToken";
string public symbol = "BOT";
uint8 public decimals = 18;
uint256 private _totalSupply;
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _buyPrice;
constructor(uint256 initialSupply, uint256 buyPrice) {
_totalSupply = initialSupply * 10 ** uint256(decimals);
_balances[msg.sender] = _totalSupply;
_buyPrice = buyPrice;
emit Transfer(address(0), msg.sender, _totalSupply);
}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) external view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
function allowance(address owner, address spender) external view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) external override returns (bool) {
_approve(msg.sender, spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender] - amount);
return true;
}
function _transfer(address sender, address recipient, uint256 amount) private {
require(sender != address(0), "Transfer from the zero address");
require(recipient != address(0), "Transfer to the zero address");
require(_balances[sender] >= amount, "Insufficient balance");
_balances[sender] -= amount;
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "Approve from the zero address");
require(spender != address(0), "Approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function buyTokens() external payable {
uint256 amount = msg.value / _buyPrice;
require(amount > 0, "Insufficient amount sent");
_transfer(address(this), msg.sender, amount);
}
receive() external payable {
buyTokens();
}
}
pragma solidity ^0.8.0;
interface IBEP20 {
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);
}
contract BuyOnlyToken is IBEP20 {
string public name = "BuyOnlyToken";
string public symbol = "BOT";
uint8 public decimals = 18;
uint256 private _totalSupply;
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _buyPrice;
constructor(uint256 initialSupply, uint256 buyPrice) {
_totalSupply = initialSupply * 10 ** uint256(decimals);
_balances[msg.sender] = _totalSupply;
_buyPrice = buyPrice;
emit Transfer(address(0), msg.sender, _totalSupply);
}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) external view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
function allowance(address owner, address spender) external view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) external override returns (bool) {
_approve(msg.sender, spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender] - amount);
return true;
}
function _transfer(address sender, address recipient, uint256 amount) private {
require(sender != address(0), "Transfer from the zero address");
require(recipient != address(0), "Transfer to the zero address");
require(_balances[sender] >= amount, "Insufficient balance");
_balances[sender] -= amount;
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "Approve from the zero address");
require(spender != address(0), "Approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function buyTokens() external payable {
uint256 amount = msg.value / _buyPrice;
require(amount > 0, "Insufficient amount sent");
_transfer(address(this), msg.sender, amount);
}
receive() external payable {
buyTokens();
}
}