Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2017-05-12
*/

pragma solidity ^0.4.8;





/*
 * ERC20 interface
 * see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 {
  uint public totalSupply;
  function balanceOf(address who) constant returns (uint);
  function allowance(address owner, address spender) constant returns (uint);

  function transfer(address to, uint value) returns (bool ok);
  function transferFrom(address from, address to, uint value) returns (bool ok);
  function approve(address spender, uint value) returns (bool ok);
  event Transfer(address indexed from, address indexed to, uint value);
  event Approval(address indexed owner, address indexed spender, uint value);
}



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

  function safeDiv(uint a, uint b) internal returns (uint) {
    assert(b > 0);
    uint c = a / b;
    assert(a == b * c + a % b);
    return c;
  }

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

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



/**
 * Standard ERC20 token
 *
 * https://github.com/ethereum/EIPs/issues/20
 * Based on code by FirstBlood:
 * https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
 */
contract StandardToken is ERC20, SafeMath {

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

  function transfer(address _to, uint _value) returns (bool success) {
    balances[msg.sender] = safeSub(balances[msg.sender], _value);
    balances[_to] = safeAdd(balances[_to], _value);
    Transfer(msg.sender, _to, _value);
    return true;
  }

  function transferFrom(address _from, address _to, uint _value) returns (bool success) {
    var _allowance = allowed[_from][msg.sender];

    // Check is not needed because safeSub(_allowance, _value) will already throw if this condition is not met
    // if (_value > _allowance) throw;

    balances[_to] = safeAdd(balances[_to], _value);
    balances[_from] = safeSub(balances[_from], _value);
    allowed[_from][msg.sender] = safeSub(_allowance, _value);
    Transfer(_from, _to, _value);
    return true;
  }

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

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

  function allowance(address _owner, address _spender) constant returns (uint remaining) {
    return allowed[_owner][_spender];
  }

}



/*
 * Ownable
 *
 * Base contract with an owner.
 * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.
 */
contract Ownable {
  address public owner;

  function Ownable() {
    owner = msg.sender;
  }

  modifier onlyOwner() {
    if (msg.sender != owner) {
      throw;
    }
    _;
  }

  function transferOwnership(address newOwner) onlyOwner {
    if (newOwner != address(0)) {
      owner = newOwner;
    }
  }

}


/**
 * Issuer manages token distribution after the crowdsale.
 *
 * This contract is fed a CSV file with Ethereum addresses and their
 * issued token balances.
 *
 * Issuer act as a gate keeper to ensure there is no double issuance
 * per address, in the case we need to do several issuance batches,
 * there is a race condition or there is a fat finger error.
 *
 * Issuer contract gets allowance from the team multisig to distribute tokens.
 *
 */
contract Issuer is Ownable {

  /** Map addresses whose tokens we have already issued. */
  mapping(address => bool) public issued;

  /** Centrally issued token we are distributing to our contributors */
  StandardToken public token;

  /** Party (team multisig) who is in the control of the token pool. Note that this will be different from the owner address (scripted) that calls this contract. */
  address public allower;

  /** How many addresses have received their tokens. */
  uint public issuedCount;

  function Issuer(address _owner, address _allower, StandardToken _token) {
    owner = _owner;
    allower = _allower;
    token = _token;
  }

  function issue(address benefactor, uint amount) onlyOwner {
    if(issued[benefactor]) throw;
    token.transferFrom(allower, benefactor, amount);
    issued[benefactor] = true;
    issuedCount += amount;
  }

}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":true,"inputs":[],"name":"issuedCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"benefactor","type":"address"},{"name":"amount","type":"uint256"}],"name":"issue","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"allower","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"issued","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"token","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"inputs":[{"name":"_owner","type":"address"},{"name":"_allower","type":"address"},{"name":"_token","type":"address"}],"payable":false,"type":"constructor"}]

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

000000000000000000000000f0f7052a1713b5c216bc240b9eed6ea67e2aa0bc000000000000000000000000f0f7052a1713b5c216bc240b9eed6ea67e2aa0bc0000000000000000000000001dce4fa03639b7f0c38ee5bb6065045edcf9819a

-----Decoded View---------------
Arg [0] : _owner (address): 0xF0F7052A1713B5C216BC240b9eED6ea67E2AA0bc
Arg [1] : _allower (address): 0xF0F7052A1713B5C216BC240b9eED6ea67E2AA0bc
Arg [2] : _token (address): 0x1dCE4Fa03639B7F0C38ee5bB6065045EdCf9819a

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000f0f7052a1713b5c216bc240b9eed6ea67e2aa0bc
Arg [1] : 000000000000000000000000f0f7052a1713b5c216bc240b9eed6ea67e2aa0bc
Arg [2] : 0000000000000000000000001dce4fa03639b7f0c38ee5bb6065045edcf9819a

bzzr://23fba5a9744f27e999b258d38bf9aae18d824cc802096ad426ac343f8716e899