Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

• library SafeMath
•    - function mul(uint256 a, uint256 b)
•    - function div(uint256 a, uint256 b)
•    - function sub(uint256 a, uint256 b)
•    - function add(uint256 a, uint256 b)
•  contract ERC20Basic
•    - function totalSupply()
•    - function balanceOf(address who)
•    - function transfer(address to, uint256 ...
•  contract ERC20 is ERC20Basic
•    - function allowance(address owner, add ...
•    - function transferFrom(address from, a ...
•    - function approve(address spender, uin ...
•  contract DetailedERC20 is ERC20
•  contract BasicToken is ERC20Basic
•    - function totalSupply()
•    - function transfer(address _to, uint25 ...
•    - function balanceOf(address _owner)
•  contract StandardToken is ERC20, B ...
•    - function transferFrom(
•    - function approve(address _spender, ui ...
•    - function allowance(
•  contract BurnableToken is BasicTok ...
•    - function burn(uint256 _value)
•    - function _burn(address _who, uint256 ...
•  contract MintableToken is Standard ...
•    - function mint(
•    - function finishMinting()
•  contract StandardBurnableToken is ...
•    - function burnFrom(address _from, uint ...
•  contract BHTDtoken is StandardBurn ... *

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2018-12-04
*/

pragma solidity ^0.4.23;

library SafeMath {

  /**
  * @dev Multiplies two numbers, throws on overflow.
  */
  function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {

    if (a == 0) {
      return 0;
    }

    c = a * b;
    assert(c / a == b);
    return c;
  }

  /**
  * @dev Integer division of two numbers, truncating the quotient.
  */
  function div(uint256 a, uint256 b) internal pure returns (uint256) {

    return a / b;
  }

  /**
  * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
  */
  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    assert(b <= a);
    return a - b;
  }

  /**
  * @dev Adds two numbers, throws on overflow.
  */
  function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
    c = a + b;
    assert(c >= a);
    return c;
  }
}


contract ERC20Basic {
    
  function totalSupply() public view returns (uint256);
  function balanceOf(address who) public view returns (uint256);
  function transfer(address to, uint256 value) public returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
  
}

contract ERC20 is ERC20Basic {
    
  function allowance(address owner, address spender)
    public view returns (uint256);

  function transferFrom(address from, address to, uint256 value)
    public returns (bool);

  function approve(address spender, uint256 value) public returns (bool);
  event Approval(
    address indexed owner,
    address indexed spender,
    uint256 value
  );
}

contract DetailedERC20 is ERC20 {
  string public name;
  string public symbol;
  uint8 public decimals;

  constructor(string _name, string _symbol, uint8 _decimals) public {
    name = _name;
    symbol = _symbol;
    decimals = _decimals;
  }
}

/**
 * @title 实现ERC20基本合约的接口 
 * @dev 基本的StandardToken，不包含allowances.
 */
contract BasicToken is ERC20Basic {
  using SafeMath for uint256;

  mapping(address => uint256) balances;

  uint256 totalSupply_;
  
  function totalSupply() public view returns (uint256) {
    return totalSupply_;
  }

  function transfer(address _to, uint256 _value) public returns (bool) {
    require(_to != address(0));
    require(_value <= balances[msg.sender]);
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    emit Transfer(msg.sender, _to, _value);
    return true;
  }

  function balanceOf(address _owner) public view returns (uint256) {
    return balances[_owner];
  }

}

contract StandardToken is ERC20, BasicToken {
  mapping (address => mapping (address => uint256)) internal allowed;

  /**
   * @dev 从一个地址向另外一个地址转token
   * @param _from 转账的from地址
   * @param _to address 转账的to地址
   * @param _value uint256 转账token数量
   */
  function transferFrom(
    address _from,
    address _to,
    uint256 _value
  )
    public
    returns (bool)
  {
    // 做合法性检查
    require(_to != address(0));
    require(_value <= balances[_from]);
    require(_value <= allowed[_from][msg.sender]);
    balances[_from] = balances[_from].sub(_value);
    balances[_to] = balances[_to].add(_value);
    allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
    emit Transfer(_from, _to, _value);
    return true;
  }

  function approve(address _spender, uint256 _value) public returns (bool) {
    allowed[msg.sender][_spender] = _value;
    emit Approval(msg.sender, _spender, _value);
    return true;
  }

  function allowance(
    address _owner,
    address _spender
   )
    public
    view
    returns (uint256)
  {
    return allowed[_owner][_spender];
  }

}

/**
 * @title 可销毁 Token
 * @dev Token被地销毁
 */
contract BurnableToken is BasicToken {

  event Burn(address indexed burner, uint256 value);

  /**
   * @dev 销毁指定数量的token.
   * @param _value 被销毁的token数量.
   */
  function burn(uint256 _value) public {
    _burn(msg.sender, _value);
  }

  function _burn(address _who, uint256 _value) internal {
    require(_value <= balances[_who]);
    balances[_who] = balances[_who].sub(_value);
    totalSupply_ = totalSupply_.sub(_value);
    emit Burn(_who, _value);
    emit Transfer(_who, address(0), _value);
  }
}

contract MintableToken is StandardToken {
  event Mint(address indexed to, uint256 amount);
  event MintFinished();

  bool public mintingFinished = false;


  modifier canMint() {
    require(!mintingFinished);
    _;
  }

  /**
   * @dev Function to mint tokens
   * @param _to The address that will receive the minted tokens.
   * @param _amount The amount of tokens to mint.
   * @return A boolean that indicates if the operation was successful.
   */
  function mint(
    address _to,
    uint256 _amount
  )
    public
    canMint
    returns (bool)
  {
    totalSupply_ = totalSupply_.add(_amount);
    balances[_to] = balances[_to].add(_amount);
    emit Mint(_to, _amount);
    emit Transfer(address(0), _to, _amount);
    return true;
  }

  /**
   * @dev Function to stop minting new tokens.
   * @return True if the operation was successful.
   */
  function finishMinting() public  canMint returns (bool) {
    mintingFinished = true;
    emit MintFinished();
    return true;
  }
}

/**
 * @title 标准可销毁token
 * @dev 将burnFrom方法添加到ERC20实现中
 */
contract StandardBurnableToken is BurnableToken, StandardToken,MintableToken {

  /**
   * @dev 从目标地址销毁特定数量的token并减少允许量
   * @param _from address token所有者地址
   * @param _value uint256 被销毁的token数量
   */
  function burnFrom(address _from, uint256 _value) public {
    require(_value <= allowed[_from][msg.sender]);
    allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
    _burn(_from, _value);
  }
  
}

contract BHTDtoken is StandardBurnableToken {
    string public name = 'Bhtd';
    string public symbol = 'BHTD';
    uint8 public decimals = 8;
    uint256 public INITIAL_SUPPLY = 32000000000000000; 
    
  constructor() public {
    totalSupply_ = INITIAL_SUPPLY;
    balances[msg.sender] = INITIAL_SUPPLY;
  }

}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":true,"inputs":[],"name":"mintingFinished","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"INITIAL_SUPPLY","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"mint","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_value","type":"uint256"}],"name":"burnFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"finishMinting","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[],"name":"MintFinished","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"burner","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}]

6003805460ff1916905560c0604052600460808190527f426874640000000000000000000000000000000000000000000000000000000060a09081526100469190816100ce565b506040805180820190915260048082527f4248544400000000000000000000000000000000000000000000000000000000602090920191825261008b916005916100ce565b506006805460ff191660081790556671afd498d000006007553480156100b057600080fd5b50600754600181905533600090815260208190526040902055610169565b828054600181600116156101000203166002900490600052602060002090601f016020900481019282601f1061010f57805160ff191683800117855561013c565b8280016001018555821561013c579182015b8281111561013c578251825591602001919060010190610121565b5061014892915061014c565b5090565b61016691905b808211156101485760008155600101610152565b90565b610a52806101786000396000f3006080604052600436106100da5763ffffffff7c010000000000000000000000000000000000000000000000000000000060003504166305d2035b81146100df57806306fdde0314610108578063095ea7b31461019257806318160ddd146101b657806323b872dd146101dd5780632ff2e9dc14610207578063313ce5671461021c57806340c10f191461024757806342966c681461026b57806370a082311461028557806379cc6790146102a65780637d64bcb4146102ca57806395d89b41146102df578063a9059cbb146102f4578063dd62ed3e14610318575b600080fd5b3480156100eb57600080fd5b506100f461033f565b604080519115158252519081900360200190f35b34801561011457600080fd5b5061011d610348565b6040805160208082528351818301528351919283929083019185019080838360005b8381101561015757818101518382015260200161013f565b50505050905090810190601f1680156101845780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b34801561019e57600080fd5b506100f4600160a060020a03600435166024356103d6565b3480156101c257600080fd5b506101cb61043c565b60408051918252519081900360200190f35b3480156101e957600080fd5b506100f4600160a060020a0360043581169060243516604435610442565b34801561021357600080fd5b506101cb6105a7565b34801561022857600080fd5b506102316105ad565b6040805160ff9092168252519081900360200190f35b34801561025357600080fd5b506100f4600160a060020a03600435166024356105b6565b34801561027757600080fd5b50610283600435610690565b005b34801561029157600080fd5b506101cb600160a060020a036004351661069d565b3480156102b257600080fd5b50610283600160a060020a03600435166024356106b8565b3480156102d657600080fd5b506100f461074e565b3480156102eb57600080fd5b5061011d61079d565b34801561030057600080fd5b506100f4600160a060020a03600435166024356107f8565b34801561032457600080fd5b506101cb600160a060020a03600435811690602435166108c7565b60035460ff1681565b6004805460408051602060026001851615610100026000190190941693909304601f810184900484028201840190925281815292918301828280156103ce5780601f106103a3576101008083540402835291602001916103ce565b820191906000526020600020905b8154815290600101906020018083116103b157829003601f168201915b505050505081565b336000818152600260209081526040808320600160a060020a038716808552908352818420869055815186815291519394909390927f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925928290030190a350600192915050565b60015490565b6000600160a060020a038316151561045957600080fd5b600160a060020a03841660009081526020819052604090205482111561047e57600080fd5b600160a060020a03841660009081526002602090815260408083203384529091529020548211156104ae57600080fd5b600160a060020a0384166000908152602081905260409020546104d7908363ffffffff6108f216565b600160a060020a03808616600090815260208190526040808220939093559085168152205461050c908363ffffffff61090416565b600160a060020a0380851660009081526020818152604080832094909455918716815260028252828120338252909152205461054e908363ffffffff6108f216565b600160a060020a0380861660008181526002602090815260408083203384528252918290209490945580518681529051928716939192600080516020610a07833981519152929181900390910190a35060019392505050565b60075481565b60065460ff1681565b60035460009060ff16156105c957600080fd5b6001546105dc908363ffffffff61090416565b600155600160a060020a038316600090815260208190526040902054610608908363ffffffff61090416565b600160a060020a03841660008181526020818152604091829020939093558051858152905191927f0f6798a560793a54c3bcfe86a93cde1e73087d944c0ea20544137d412139688592918290030190a2604080518381529051600160a060020a03851691600091600080516020610a078339815191529181900360200190a350600192915050565b61069a3382610917565b50565b600160a060020a031660009081526020819052604090205490565b600160a060020a03821660009081526002602090815260408083203384529091529020548111156106e857600080fd5b600160a060020a038216600090815260026020908152604080832033845290915290205461071c908263ffffffff6108f216565b600160a060020a038316600090815260026020908152604080832033845290915290205561074a8282610917565b5050565b60035460009060ff161561076157600080fd5b6003805460ff191660011790556040517fae5184fba832cb2b1f702aca6117b8d265eaf03ad33eb133f19dde0f5920fa0890600090a150600190565b6005805460408051602060026001851615610100026000190190941693909304601f810184900484028201840190925281815292918301828280156103ce5780601f106103a3576101008083540402835291602001916103ce565b6000600160a060020a038316151561080f57600080fd5b3360009081526020819052604090205482111561082b57600080fd5b3360009081526020819052604090205461084b908363ffffffff6108f216565b3360009081526020819052604080822092909255600160a060020a0385168152205461087d908363ffffffff61090416565b600160a060020a03841660008181526020818152604091829020939093558051858152905191923392600080516020610a078339815191529281900390910190a350600192915050565b600160a060020a03918216600090815260026020908152604080832093909416825291909152205490565b6000828211156108fe57fe5b50900390565b8181018281101561091157fe5b92915050565b600160a060020a03821660009081526020819052604090205481111561093c57600080fd5b600160a060020a038216600090815260208190526040902054610965908263ffffffff6108f216565b600160a060020a038316600090815260208190526040902055600154610991908263ffffffff6108f216565b600155604080518281529051600160a060020a038416917fcc16f5dbb4873280815c1ee09dbd06736cffcc184412cf7a71a0fdb75d397ca5919081900360200190a2604080518281529051600091600160a060020a03851691600080516020610a078339815191529181900360200190a350505600ddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3efa165627a7a723058206ca0ed9fa20f636d8c58f066e200318b1161f65d0615f405b1acad065ba835960029

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

bzzr://6ca0ed9fa20f636d8c58f066e200318b1161f65d0615f405b1acad065ba83596