ETH Price: $3,386.58 (-1.48%)
Gas: 1 Gwei

Token

Polymath (POLY)
 

Overview

Max Total Supply

1,000,000,000 POLY

Holders

103,911 ( -0.001%)

Market

Price

$0.05 @ 0.000015 ETH (-53.00%)

Onchain Market Cap

$49,352,240.00

Circulating Supply Market Cap

$44,353,080.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
591.170460473342968419 POLY

Value
$29.18 ( ~0.00861636349729352 Eth) [0.0001%]
0x4C78Ed5bC3a2150b9F3F911E414bBC99aE6C90F3
Loading...
Loading
Loading...
Loading
Loading...
Loading

OVERVIEW

Polymath aims to enable securities to migrate to the blockchain.

Market

Volume (24H):$3,803.98
Market Capitalization:$44,353,080.00
Circulating Supply:898,550,830.00 POLY
Market Data Source: Coinmarketcap

 

*NO ICO

 


# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
PolyToken

Compiler Version
v0.4.18+commit.9cf6e910

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2018-01-29
*/

pragma solidity ^0.4.18;

/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
interface IERC20 {
  function balanceOf(address _owner) public view returns (uint256);
  function allowance(address _owner, address _spender) public view returns (uint256);
  function transfer(address _to, uint256 _value) public returns (bool);
  function transferFrom(address _from, address _to, uint256 _value) public returns (bool);
  function approve(address _spender, uint256 _value) public returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

/*
Copyright (c) 2016 Smart Contract Solutions, Inc.

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
library SafeMath {
  function mul(uint256 a, uint256 b) internal pure returns (uint256) {
    if (a == 0) {
      return 0;
    }
    uint256 c = a * b;
    assert(c / a == b);
    return c;
  }

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

  function add(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a + b;
    assert(c >= a);
    return c;
  }
}

/**
 * @title Standard ERC20 token
 *
 * @dev Implementation of the basic standard token.
 * @dev https://github.com/ethereum/EIPs/issues/20
 */
contract PolyToken is IERC20 {
  using SafeMath for uint256;

  // Poly Token parameters
  string public name = 'Polymath';
  string public symbol = 'POLY';
  uint8 public constant decimals = 18;
  uint256 public constant decimalFactor = 10 ** uint256(decimals);
  uint256 public constant totalSupply = 1000000000 * decimalFactor;
  mapping (address => uint256) balances;
  mapping (address => mapping (address => uint256)) internal allowed;

  event Transfer(address indexed from, address indexed to, uint256 value);
  event Approval(address indexed owner, address indexed spender, uint256 value);

  /**
  * @dev Constructor for Poly creation
  * @dev Assigns the totalSupply to the PolyDistribution contract
  */
  function PolyToken(address _polyDistributionContractAddress) public {
    require(_polyDistributionContractAddress != address(0));
    balances[_polyDistributionContractAddress] = totalSupply;
    Transfer(address(0), _polyDistributionContractAddress, totalSupply);
  }

  /**
  * @dev Gets the balance of the specified address.
  * @param _owner The address to query the the balance of.
  * @return An uint256 representing the amount owned by the passed address.
  */
  function balanceOf(address _owner) public view returns (uint256 balance) {
    return balances[_owner];
  }

  /**
   * @dev Function to check the amount of tokens that 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 uint256 specifying the amount of tokens still available for the spender.
   */
  function allowance(address _owner, address _spender) public view returns (uint256) {
    return allowed[_owner][_spender];
  }

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

    // SafeMath.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;
  }

  /**
   * @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 uint256 the amount of tokens to be transferred
   */
  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;
  }

  /**
   * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
   *
   * Beware that changing an allowance with this method brings the risk that someone may use both the old
   * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
   * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
   * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
   * @param _spender The address which will spend the funds.
   * @param _value The amount of tokens to be spent.
   */
  function approve(address _spender, uint256 _value) public returns (bool) {
    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
    return true;
  }

  /**
   * @dev Increase the amount of tokens that an owner allowed to a spender.
   *
   * approve should be called when allowed[_spender] == 0. To increment
   * allowed value is better to use this function to avoid 2 calls (and wait until
   * the first transaction is mined)
   * From MonolithDAO Token.sol
   * @param _spender The address which will spend the funds.
   * @param _addedValue The amount of tokens to increase the allowance by.
   */
  function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
    allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

  /**
   * @dev Decrease the amount of tokens that an owner allowed to a spender.
   *
   * approve should be called when allowed[_spender] == 0. To decrement
   * allowed value is better to use this function to avoid 2 calls (and wait until
   * the first transaction is mined)
   * From MonolithDAO Token.sol
   * @param _spender The address which will spend the funds.
   * @param _subtractedValue The amount of tokens to decrease the allowance by.
   */
  function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
    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 Security Audit

Contract ABI

[{"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":"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":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimalFactor","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","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":"","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":[{"name":"_polyDistributionContractAddress","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"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"},{"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"}]

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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)

000000000000000000000000105b2b74fe6de95b68d435f3a3bc8ace03cf1658

-----Decoded View---------------
Arg [0] : _polyDistributionContractAddress (address): 0x105b2B74Fe6De95b68d435f3a3Bc8ACe03Cf1658

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000105b2b74fe6de95b68d435f3a3bc8ace03cf1658


Swarm Source

bzzr://66d6bfd4160d6f7960286626b40454fca2af2fdb811c33b18c3989cf0e43ca67
Loading...
Loading
Loading...
Loading
[ Download: CSV Export  ]
[ Download: CSV Export  ]

A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.