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Create tethertoken #261
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// SPDX-License-Identifier: MITpragma solidity ^0.5.8;
contract TetherToken { string public name = "Tether"; string public symbol = "USDT"; uint8 public decimals = 6; // تعداد اعشار uint256 public totalSupply;
mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value);
constructor() public { totalSupply = 450000000 * 10 ** uint256(decimals); // تنظیم عرضه کل به 450 میلیون balanceOf[msg.sender] = totalSupply; // تخصیص تمام توکنها به سازنده emit Transfer(address(0), msg.sender, totalSupply); }
function transfer(address _to, uint256 _value) public returns (bool success) { require(_to != address(0), "Invalid address"); require(balanceOf[msg.sender] >= _value, "Insufficient balance");
balanceOf[msg.sender] -= _value; balanceOf[_to] += _value; emit Transfer(msg.sender, _to, _value); return true; }
function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; }
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_from != address(0), "Invalid address"); require(balanceOf[_from] >= _value, "Insufficient balance"); require(allowance[_from][msg.sender] >= _value, "Allowance exceeded");
balanceOf[_from] -= _value; balanceOf[_to] += _value; allowance[_from][msg.sender] -= _value; emit Transfer(_from, _to, _value); return true; }}
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// SPDX-License-Identifier: MITpragma solidity ^0.5.8; contract TetherToken { string public name = "Tether"; string public symbol = "USDT"; uint8 public decimals = 6; // تعداد اعشار uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); constructor() public { totalSupply = 450000000 * 10 ** uint256(decimals); // تنظیم عرضه کل به 450 میلیون balanceOf[msg.sender] = totalSupply; // تخصیص تمام توکنها به سازنده emit Transfer(address(0), msg.sender, totalSupply); } function transfer(address _to, uint256 _value) public returns (bool success) { require(_to != address(0), "Invalid address"); require(balanceOf[msg.sender] >= _value, "Insufficient balance"); balanceOf[msg.sender] -= _value; balanceOf[_to] += _value; emit Transfer(msg.sender, _to, _value); return true; } function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_from != address(0), "Invalid address"); require(balanceOf[_from] >= _value, "Insufficient balance"); require(allowance[_from][msg.sender] >= _value, "Allowance exceeded"); balanceOf[_from] -= _value; balanceOf[_to] += _value; allowance[_from][msg.sender] -= _value; emit Transfer(_from, _to, _value); return true; }}