Token

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

library SafeTransc    - 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 Growth    - function balanceOf(address who)    - function transfer(address to, uint256 ...  contract Trender is Growth    - function allowance(address owner, add ...    - function transferFrom(address from, a ...    - function approve(address spender, uin ...  contract Success is Growth    - function transfer(address _to, uint25 ...    - function balanceOf(address _owner)  contract theFuture is Trender, Suc ...    - function transferFrom(address _from, ...    - function approve(address _spender, ui ...    - function allowance(address _owner, ad ...    - function increaseApproval (address _s ...    - function decreaseApproval (address _s ...  contract Trendercoin is theFuture *    - function Trendercoin()

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2017-10-24
*/

pragma solidity ^0.4.18;


library SafeTransc {
  function mul(uint256 a, uint256 b) internal constant returns (uint256) {
    uint256 c = a * b;
    assert(a == 0 || c / a == b);
    return c;
  }

  function div(uint256 a, uint256 b) internal constant returns (uint256) {
    // assert(b > 0); // Solidity automatically throws when dividing by 0
    uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold
    return c;
  }

  function sub(uint256 a, uint256 b) internal constant returns (uint256) {
    assert(b <= a);
    return a - b;
  }

  function add(uint256 a, uint256 b) internal constant returns (uint256) {
    uint256 c = a + b;
    assert(c >= a);
    return c;
  }
}
contract Growth {
  uint256 public totalSupply;
  function balanceOf(address who) public constant returns (uint256);
  function transfer(address to, uint256 value) public returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
}

contract Trender is Growth {
  function allowance(address owner, address spender) public constant 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 Success is Growth {
  using SafeTransc for uint256;

  mapping(address => uint256) balances;

  function transfer(address _to, uint256 _value) public returns (bool) {
    require(_to != address(0));
    require(_value <= balances[msg.sender]);

    // SafeTransc.sub will throw if there is not enough balance.
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
    return true;
  }

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

}

contract theFuture is Trender, Success {

  mapping (address => mapping (address => uint256)) internal allowed;

  function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
    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);
    Transfer(_from, _to, _value);
    return true;
  }

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

  function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
    return allowed[_owner][_spender];
  }
  
  function increaseApproval (address _spender, uint _addedValue) public returns (bool success) {
    allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

  function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) {
    uint oldValue = allowed[msg.sender][_spender];
    if (_subtractedValue > oldValue) {
      allowed[msg.sender][_spender] = 0;
    } else {
      allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
    }
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

}

contract Trendercoin is theFuture {

  string public constant name = "Trendercoin";
  string public constant symbol = "TDC";
  uint8 public constant decimals = 3;

  uint256 public constant INITIAL_SUPPLY = 1000000000 * 10**3;

  function Trendercoin() {
    totalSupply = INITIAL_SUPPLY;
    balances[msg.sender] = INITIAL_SUPPLY;
  }

}

• No Contract Security Audit Submitted- Submit Audit Here

[{"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":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","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":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"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"}]

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

bzzr://c9485210fb4981ef619e078f11386fdebb18aca9da34cbdbbf5ee356bf79f8e7