ETH Price: $2,893.58 (-4.24%)
Gas: 6 Gwei

Token

CVCOIN ERC20 (CVN)
 

Overview

Max Total Supply

15,000,000 CVN

Holders

284

Market

Onchain Market Cap

$0.00

Circulating Supply Market Cap

-

Other Info

Token Contract (WITH 5 Decimals)

Filtered by Token Holder
HTX 5
Balance
0.44601 CVN

Value
$0.00
0x5c985e89dde482efe97ea9f1950ad149eb73829b
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# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
CrypviserToken

Compiler Version
v0.4.23+commit.124ca40d

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2018-04-28
*/

pragma solidity ^0.4.17;



/**
 * Math operations with safety checks
 */
library SafeMath {
  function mul(uint a, uint b) internal returns (uint) {
    uint c = a * b;
    assert(a == 0 || c / a == b);
    return c;
  }

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

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

  function add(uint a, uint b) internal returns (uint) {
    uint c = a + b;
    assert(c >= a);
    return c;
  }

  function max64(uint64 a, uint64 b) internal constant returns (uint64) {
    return a >= b ? a : b;
  }

  function min64(uint64 a, uint64 b) internal constant returns (uint64) {
    return a < b ? a : b;
  }

  function max256(uint256 a, uint256 b) internal constant returns (uint256) {
    return a >= b ? a : b;
  }

  function min256(uint256 a, uint256 b) internal constant returns (uint256) {
    return a < b ? a : b;
  }

  function assert(bool assertion) internal {
    if (!assertion) {
      throw;
    }
  }
}


/**
 * @title ERC20Basic
 * @dev Simpler version of ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20Basic {
  uint public totalSupply;
  function balanceOf(address who) constant returns (uint);
  function transfer(address to, uint value) returns (bool);
  event Transfer(address indexed from, address indexed to, uint value);
}




/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances. 
 */
contract BasicToken is ERC20Basic {
  using SafeMath for uint;

  mapping(address => uint) balances;

  /**
   * @dev Fix for the ERC20 short address attack.
   */
  modifier onlyPayloadSize(uint size) {
     if(msg.data.length < size + 4) {
       throw;
     }
     _;
  }

  /**
  * @dev transfer token for a specified address
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  */
  function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) 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);
    Transfer(msg.sender, _to, _value);
    return true;
  }

  /**
  * @dev Gets the balance of the specified address.
  * @param _owner The address to query the the balance of. 
  * @return An uint representing the amount owned by the passed address.
  */
  function balanceOf(address _owner) constant returns (uint balance) {
    return balances[_owner];
  }

}




/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 is ERC20Basic {
  function allowance(address owner, address spender) constant returns (uint);
  function transferFrom(address from, address to, uint value) returns (bool);
  function approve(address spender, uint value) returns (bool);
  event Approval(address indexed owner, address indexed spender, uint value);
}




/**
 * @title Standard ERC20 token
 *
 * @dev Implemantation of the basic standart token.
 * @dev https://github.com/ethereum/EIPs/issues/20
 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
 */
contract StandardToken is BasicToken, ERC20 {

  mapping (address => mapping (address => uint)) allowed;


  /**
   * @dev Transfer tokens from one address to another
   * @param _from address The address which you want to send tokens from
   * @param _to address The address which you want to transfer to
   * @param _value uint the amout of tokens to be transfered
   */
  function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) returns (bool) {
    var _allowance = allowed[_from][msg.sender];

    require(_to != address(0));
    require(_value <= balances[_from]);
    require(_value <= _allowance);

    balances[_to] = balances[_to].add(_value);
    balances[_from] = balances[_from].sub(_value);
    allowed[_from][msg.sender] = _allowance.sub(_value);
    Transfer(_from, _to, _value);

    return true;
  }

  /**
   * @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
   * @param _spender The address which will spend the funds.
   * @param _value The amount of tokens to be spent.
   */
  function approve(address _spender, uint _value) returns (bool) {

    // To change the approve amount you first have to reduce the addresses`
    //  allowance to zero by calling `approve(_spender, 0)` if it is not
    //  already 0 to mitigate the race condition described here:
    //  https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
    if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw;

    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);

    return true;
  }

  /**
   * @dev Function to check the amount of tokens than an owner allowed to a spender.
   * @param _owner address The address which owns the funds.
   * @param _spender address The address which will spend the funds.
   * @return A uint specifing the amount of tokens still avaible for the spender.
   */
  function allowance(address _owner, address _spender) constant returns (uint remaining) {
    return allowed[_owner][_spender];
  }

}

contract CrypviserToken is StandardToken {
  //FIELDS
  string public constant name = "CVCOIN ERC20";
  string public constant symbol = "CVN";
  uint8   public constant decimals = 5;

  //CONSTANTS
  //CVN Token limit
  uint256 public constant TOTAL_SUPPLY = 15e6 * (10 ** uint256(decimals));
  
  //ASSIGNED IN INITIALIZATION
  //Special Addresses
  address public openLedgerAddress;

  function CrypviserToken(address _openLedger) {
    openLedgerAddress = _openLedger;
    mint(openLedgerAddress, TOTAL_SUPPLY);
  }

  function mint(address _to, uint256 _value) private {
    totalSupply = totalSupply.add(_value);
    balances[_to] = balances[_to].add(_value);

    Transfer(0x0, _to, _value);
  }
}

Contract Security Audit

Contract ABI

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Deployed Bytecode

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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000ddd3fc4a0f9e3f2a966609f8a329900cb30a4eaa

-----Decoded View---------------
Arg [0] : _openLedger (address): 0xddd3Fc4a0f9E3F2A966609F8a329900cb30a4EaA

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000ddd3fc4a0f9e3f2a966609f8a329900cb30a4eaa


Swarm Source

bzzr://46b3244b71674ed7b9f31a7ce814ed863067765fcedad68db1db14d7d3d0f35d
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