Contract 0xfbeef911dc5821886e1dda71586d90ed28174b7d

 

Contract Overview

KnownOrigin
Balance:
0 Ether

EtherValue:
$0

Token:
TxHash Block Age From To Value [TxFee]
0x14309ec9b76b73e62c3cdb1e58bb0b82cdfadb38c15522747772a1c06102484e741265422 mins ago0x1917697bc74455d9bc8e112d9abd0dbeca764160 IN  KnownOrigin0 Ether0.000888009
0x923693c92d3a28984137c515fbba79272e2983106dfb524048c5c0cfd3d17f53741265223 mins ago0x1917697bc74455d9bc8e112d9abd0dbeca764160 IN  KnownOrigin0 Ether0.000888009
0x503b4c0037db76b8b68e943cbf6f7536e2f9dabaa886a1dcf6863080b867608474106617 hrs 54 mins ago0xb75eb924568d4ebf65d9bb932c589c3c06a59655 IN  KnownOrigin0 Ether0.00049652
0x1414f7a8617405835b0ec1e957df905df4fb4d8e8602af4327afa8910f73a8c3740992110 hrs 44 mins ago0x7554c46eb39c3ba5eb3c6d99b65a751832059605 IN  KnownOrigin0 Ether0.000592006
0x23d20b10069a6c12e60296c0abe618aa35b2e94c4908027486108f581480598d74041191 day 8 hrs ago0xb394f1aa30ba874df3ae6097bf4c2474b2d8f3ac IN  KnownOrigin0.1 Ether0.001551605
0x12a8b07e8758752d191d40ab0a52f5163b749cef006da6f8f5de64e07f38235a74041151 day 8 hrs ago0xb394f1aa30ba874df3ae6097bf4c2474b2d8f3ac IN  KnownOrigin0.07 Ether0.001626605
0x8b752a03476c95b372685d82c2e85ae894c20e4cce5774044ed05978e4e59def74015071 day 17 hrs ago0x36bd6221c2016371c3af00071726578b91acb007 IN  KnownOrigin0.1 Ether0.000310321
0x3a4a3b969eb2d4f7692d0f10f22bcb9504643d23ef3e1534191e499cec7f054874007071 day 20 hrs ago0x576a655161b5502dcf40602be1f3519a89b71658 IN  KnownOrigin0.035 Ether0.000620642
0xb6ff46e4e45300a1257e719389ce5a4f8772ad4c4a020f5d6e97e806fb5586ff73984132 days 5 hrs ago0x83b73adc0e6d83a528eb4247bfe30253ecfcaf31 IN  KnownOrigin0 Ether0.000888009
0xfeba982bab497dd07b675e7e4e365f8ca2c65dc87e3544e9699a1b02c9c5b14d73959072 days 14 hrs ago0xe88cfe8535af121121a4b475eefd13dae4fbc4cc IN  KnownOrigin0 Ether0.000296003
0x8c80ce71319b940aad7445b8fc066702de8b4e81d0888e6bc6e8255bf7c4cc0b73958122 days 15 hrs ago0xe88cfe8535af121121a4b475eefd13dae4fbc4cc IN  KnownOrigin0 Ether0.000296003
0x8cbe354067604396744ca8f1da99e8a8a7048aa682d95ad72f31dc3bb2a261c073942552 days 21 hrs ago0x974108626da1c3972f57d8d98a7793d3f378d3c7 IN  KnownOrigin0 Ether0.0002338
0x5e4759e770d9c9db8d617ce34bd5ca7b95ca4e1cc898a7a89831f93149df85b873939962 days 22 hrs ago0x3f8c962eb167ad2f80c72b5f933511ccdf0719d4 IN  KnownOrigin0 Ether0.000200928
0x6473c589609a19bced7159dff86749746a90afec3e17d829825a3af4b4580d6b73939932 days 22 hrs ago0x3f8c962eb167ad2f80c72b5f933511ccdf0719d4 IN  KnownOrigin0 Ether0.000155928
0x57ceefdf4df0dabc22dfea8d848a77f65dc8adc6e17782e06f1202272d68efbd73936222 days 23 hrs ago0x7554c46eb39c3ba5eb3c6d99b65a751832059605 IN  KnownOrigin0 Ether0.001480015
0x92f89fb83ba7726606af63980ade1e99c3bb8374d21a09321d3a294bf5e649eb73884983 days 18 hrs ago0xb394f1aa30ba874df3ae6097bf4c2474b2d8f3ac IN  KnownOrigin0.05 Ether0.0011171556
0x24bf1acb5fd993fd27e28eb867d54e42f05d04c12709d0f573214ee33fc878e973884923 days 18 hrs ago0xb394f1aa30ba874df3ae6097bf4c2474b2d8f3ac IN  KnownOrigin0.035 Ether0.0011481877
0x0ef1dbb95039b21f0a0af006240b45660dcc501474abe991cccfe856e98a09c173884343 days 19 hrs ago0xb394f1aa30ba874df3ae6097bf4c2474b2d8f3ac IN  KnownOrigin0 Ether0.001184012
0xeb51dc66383e1f78157d6ec80c38f3ce798b1dae5da00976d070aa0eafee3b1c73871043 days 23 hrs ago0x7c639e38befcfd10a6c6c2b8902d5d8375e52e6b IN  KnownOrigin0.01 Ether0.000310321
0xc6f6225d93f8f7e4835a5eebf01a7e0adcd4183d63ba36dc81892fd92649268873871023 days 23 hrs ago0x7c639e38befcfd10a6c6c2b8902d5d8375e52e6b IN  KnownOrigin0 Ether0.000296003
0x1d37cec1badb4ae5dbc25a3fca312fd69b1c317925e913f457b56f57596a614973830814 days 15 hrs ago0x576a655161b5502dcf40602be1f3519a89b71658 IN  KnownOrigin0.05 Ether0.000620642
0x7bcc595dc3f23ca676c6d23de61954b6b3cdeac2af2464a75d7acedfbc5d50c873824864 days 17 hrs ago0x8b104344f397afc33ee55c743a0fbd7d956201cd IN  KnownOrigin0 Ether0.000592006
0xfeb3cdeb6d0a9b00d8a683442dbb109b086e92feac3bb3da5b1e1f10ee75ce9473811104 days 22 hrs ago0x3b535009586c6689cef5a98c6a1e5618ddf1dabf IN  KnownOrigin0 Ether0.000296003
0xaf84804f7edb19a6fb48d2d64c30ae7efce054a52ee4c40cb9249f41e3f34dd073811034 days 22 hrs ago0x0d739d208fbdb64df76850863815059404775f47 IN  KnownOrigin0 Ether0.000296003
0xf6cb46da73ed966ec8e90f74889d6f5f7b7e3e4a875d3d2f70ace5550156fc3b73811034 days 22 hrs ago0x3b535009586c6689cef5a98c6a1e5618ddf1dabf IN  KnownOrigin0 Ether0.000311003
[ Download CSV Export 

Latest 25 internal transaction, Click here to view more Internal Transactions as a result of Contract Execution

Parent TxHash Block Age From To Value
0x23d20b10069a6c12e60296c0abe618aa35b2e94c4908027486108f581480598d74041191 day 8 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3f8c962eb167ad2f80c72b5f933511ccdf0719d40.024 Ether
0x23d20b10069a6c12e60296c0abe618aa35b2e94c4908027486108f581480598d74041191 day 8 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0xe13d4abee4b304b67c52a56871141cad1b833aa70.076 Ether
0x12a8b07e8758752d191d40ab0a52f5163b749cef006da6f8f5de64e07f38235a74041151 day 8 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3f8c962eb167ad2f80c72b5f933511ccdf0719d40.0168 Ether
0x12a8b07e8758752d191d40ab0a52f5163b749cef006da6f8f5de64e07f38235a74041151 day 8 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0xe13d4abee4b304b67c52a56871141cad1b833aa70.0532 Ether
0x8b752a03476c95b372685d82c2e85ae894c20e4cce5774044ed05978e4e59def74015071 day 17 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3f8c962eb167ad2f80c72b5f933511ccdf0719d40.024 Ether
0x8b752a03476c95b372685d82c2e85ae894c20e4cce5774044ed05978e4e59def74015071 day 17 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x576a655161b5502dcf40602be1f3519a89b716580.076 Ether
0x3a4a3b969eb2d4f7692d0f10f22bcb9504643d23ef3e1534191e499cec7f054874007071 day 20 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3f8c962eb167ad2f80c72b5f933511ccdf0719d40.0084 Ether
0x3a4a3b969eb2d4f7692d0f10f22bcb9504643d23ef3e1534191e499cec7f054874007071 day 20 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3768225622d53ffcc1e00eac53a2a870ecd825c80.0266 Ether
0x92f89fb83ba7726606af63980ade1e99c3bb8374d21a09321d3a294bf5e649eb73884983 days 18 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3f8c962eb167ad2f80c72b5f933511ccdf0719d40.012 Ether
0x92f89fb83ba7726606af63980ade1e99c3bb8374d21a09321d3a294bf5e649eb73884983 days 18 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3768225622d53ffcc1e00eac53a2a870ecd825c80.038 Ether
0x24bf1acb5fd993fd27e28eb867d54e42f05d04c12709d0f573214ee33fc878e973884923 days 18 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3f8c962eb167ad2f80c72b5f933511ccdf0719d40.0084 Ether
0x24bf1acb5fd993fd27e28eb867d54e42f05d04c12709d0f573214ee33fc878e973884923 days 18 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3768225622d53ffcc1e00eac53a2a870ecd825c80.0266 Ether
0xeb51dc66383e1f78157d6ec80c38f3ce798b1dae5da00976d070aa0eafee3b1c73871043 days 23 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3f8c962eb167ad2f80c72b5f933511ccdf0719d40.002 Ether
0xeb51dc66383e1f78157d6ec80c38f3ce798b1dae5da00976d070aa0eafee3b1c73871043 days 23 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x01cb023186cab05220554ee75b4d69921dd051f10.008 Ether
0x1d37cec1badb4ae5dbc25a3fca312fd69b1c317925e913f457b56f57596a614973830814 days 15 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3f8c962eb167ad2f80c72b5f933511ccdf0719d40.012 Ether
0x1d37cec1badb4ae5dbc25a3fca312fd69b1c317925e913f457b56f57596a614973830814 days 15 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3768225622d53ffcc1e00eac53a2a870ecd825c80.038 Ether
0x89ba79ad0b624a4fd7b15037e2da89158b75343c8dd7ad368cd0cfbabaff387573757745 days 18 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3f8c962eb167ad2f80c72b5f933511ccdf0719d40.029 Ether
0x89ba79ad0b624a4fd7b15037e2da89158b75343c8dd7ad368cd0cfbabaff387573757745 days 18 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x098a57b9bcad4f3c5fd0ac877d0e2436ae553a720.116 Ether
0x1e392e363df8c3eeb4c81d457165942133587c3bfb0c30dba58d9bcbbb99036473757605 days 18 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3f8c962eb167ad2f80c72b5f933511ccdf0719d40.024 Ether
0x1e392e363df8c3eeb4c81d457165942133587c3bfb0c30dba58d9bcbbb99036473757605 days 18 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0xab3627317c43d394eb171170f818153b976d28a30.096 Ether
0xd259159d9b889d6fef9304bdc6132b50cae6d5f2c058fb0deeb82258ec49939773757525 days 18 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3f8c962eb167ad2f80c72b5f933511ccdf0719d40.0312 Ether
0xd259159d9b889d6fef9304bdc6132b50cae6d5f2c058fb0deeb82258ec49939773757525 days 18 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x6c0ba5e435276621aa7a4a5de3c4e56a4092d7820.0988 Ether
0xbe3ff36cb405b05fcf836cc5f3515811808966e009e10008ab33976fa4df787673757515 days 18 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3f8c962eb167ad2f80c72b5f933511ccdf0719d40.0144 Ether
0xbe3ff36cb405b05fcf836cc5f3515811808966e009e10008ab33976fa4df787673757515 days 18 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0xa4ad045d62a493f0ed883b413866448afb13087c0.0456 Ether
0x2f05743f77ca73069cb9e8694450f033c2694341e6eb83e824c233deb7ea031473757515 days 18 hrs ago0xfbeef911dc5821886e1dda71586d90ed28174b7d0x3f8c962eb167ad2f80c72b5f933511ccdf0719d40.0144 Ether
[ Download CSV Export 
Warning: The compiled contract might be susceptible to ExpExponentCleanup (medium/high-severity), EventStructWrongData (very low-severity) Solidity Compiler Bugs.

Contract Source Code Verified (Exact Match)

Contract Name:
KnownOriginDigitalAssetV2

Compiler Version
v0.4.24+commit.e67f0147

Optimization Enabled:
Yes

Runs (Optimizer):
200

Contract Source Code

pragma solidity ^0.4.24;

// File: openzeppelin-solidity/contracts/access/rbac/Roles.sol

/**
 * @title Roles
 * @author Francisco Giordano (@frangio)
 * @dev Library for managing addresses assigned to a Role.
 * See RBAC.sol for example usage.
 */
library Roles {
  struct Role {
    mapping (address => bool) bearer;
  }

  /**
   * @dev give an address access to this role
   */
  function add(Role storage _role, address _addr)
    internal
  {
    _role.bearer[_addr] = true;
  }

  /**
   * @dev remove an address' access to this role
   */
  function remove(Role storage _role, address _addr)
    internal
  {
    _role.bearer[_addr] = false;
  }

  /**
   * @dev check if an address has this role
   * // reverts
   */
  function check(Role storage _role, address _addr)
    internal
    view
  {
    require(has(_role, _addr));
  }

  /**
   * @dev check if an address has this role
   * @return bool
   */
  function has(Role storage _role, address _addr)
    internal
    view
    returns (bool)
  {
    return _role.bearer[_addr];
  }
}

// File: contracts/v2/AccessControl.sol

/**
 * @title Based on OpenZeppelin Whitelist & RBCA contracts
 * @dev The AccessControl contract provides different access for addresses, and provides basic authorization control functions.
 */
contract AccessControl {

  using Roles for Roles.Role;

  uint8 public constant ROLE_KNOWN_ORIGIN = 1;
  uint8 public constant ROLE_MINTER = 2;
  uint8 public constant ROLE_UNDER_MINTER = 3;

  event RoleAdded(address indexed operator, uint8 role);
  event RoleRemoved(address indexed operator, uint8 role);

  address public owner;

  mapping(uint8 => Roles.Role) private roles;

  modifier onlyIfKnownOrigin() {
    require(msg.sender == owner || hasRole(msg.sender, ROLE_KNOWN_ORIGIN));
    _;
  }

  modifier onlyIfMinter() {
    require(msg.sender == owner || hasRole(msg.sender, ROLE_KNOWN_ORIGIN) || hasRole(msg.sender, ROLE_MINTER));
    _;
  }

  modifier onlyIfUnderMinter() {
    require(msg.sender == owner || hasRole(msg.sender, ROLE_KNOWN_ORIGIN) || hasRole(msg.sender, ROLE_UNDER_MINTER));
    _;
  }

  constructor() public {
    owner = msg.sender;
  }

  ////////////////////////////////////
  // Whitelist/RBCA Derived Methods //
  ////////////////////////////////////

  function addAddressToAccessControl(address _operator, uint8 _role)
  public
  onlyIfKnownOrigin
  {
    roles[_role].add(_operator);
    emit RoleAdded(_operator, _role);
  }

  function removeAddressFromAccessControl(address _operator, uint8 _role)
  public
  onlyIfKnownOrigin
  {
    roles[_role].remove(_operator);
    emit RoleRemoved(_operator, _role);
  }

  function checkRole(address _operator, uint8 _role)
  public
  view
  {
    roles[_role].check(_operator);
  }

  function hasRole(address _operator, uint8 _role)
  public
  view
  returns (bool)
  {
    return roles[_role].has(_operator);
  }

}

// File: openzeppelin-solidity/contracts/ownership/Ownable.sol

/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
  address public owner;


  event OwnershipRenounced(address indexed previousOwner);
  event OwnershipTransferred(
    address indexed previousOwner,
    address indexed newOwner
  );


  /**
   * @dev The Ownable constructor sets the original `owner` of the contract to the sender
   * account.
   */
  constructor() public {
    owner = msg.sender;
  }

  /**
   * @dev Throws if called by any account other than the owner.
   */
  modifier onlyOwner() {
    require(msg.sender == owner);
    _;
  }

  /**
   * @dev Allows the current owner to relinquish control of the contract.
   * @notice Renouncing to ownership will leave the contract without an owner.
   * It will not be possible to call the functions with the `onlyOwner`
   * modifier anymore.
   */
  function renounceOwnership() public onlyOwner {
    emit OwnershipRenounced(owner);
    owner = address(0);
  }

  /**
   * @dev Allows the current owner to transfer control of the contract to a newOwner.
   * @param _newOwner The address to transfer ownership to.
   */
  function transferOwnership(address _newOwner) public onlyOwner {
    _transferOwnership(_newOwner);
  }

  /**
   * @dev Transfers control of the contract to a newOwner.
   * @param _newOwner The address to transfer ownership to.
   */
  function _transferOwnership(address _newOwner) internal {
    require(_newOwner != address(0));
    emit OwnershipTransferred(owner, _newOwner);
    owner = _newOwner;
  }
}

// File: openzeppelin-solidity/contracts/ownership/HasNoEther.sol

/**
 * @title Contracts that should not own Ether
 * @author Remco Bloemen <[email protected]π.com>
 * @dev This tries to block incoming ether to prevent accidental loss of Ether. Should Ether end up
 * in the contract, it will allow the owner to reclaim this Ether.
 * @notice Ether can still be sent to this contract by:
 * calling functions labeled `payable`
 * `selfdestruct(contract_address)`
 * mining directly to the contract address
 */
contract HasNoEther is Ownable {

  /**
  * @dev Constructor that rejects incoming Ether
  * The `payable` flag is added so we can access `msg.value` without compiler warning. If we
  * leave out payable, then Solidity will allow inheriting contracts to implement a payable
  * constructor. By doing it this way we prevent a payable constructor from working. Alternatively
  * we could use assembly to access msg.value.
  */
  constructor() public payable {
    require(msg.value == 0);
  }

  /**
   * @dev Disallows direct send by setting a default function without the `payable` flag.
   */
  function() external {
  }

  /**
   * @dev Transfer all Ether held by the contract to the owner.
   */
  function reclaimEther() external onlyOwner {
    owner.transfer(address(this).balance);
  }
}

// File: openzeppelin-solidity/contracts/math/SafeMath.sol

/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
library SafeMath {

  /**
  * @dev Multiplies two numbers, throws on overflow.
  */
  function mul(uint256 _a, uint256 _b) internal pure returns (uint256 c) {
    // Gas optimization: this is cheaper than asserting 'a' not being zero, but the
    // benefit is lost if 'b' is also tested.
    // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
    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) {
    // 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 _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;
  }
}

// File: openzeppelin-solidity/contracts/lifecycle/Pausable.sol

/**
 * @title Pausable
 * @dev Base contract which allows children to implement an emergency stop mechanism.
 */
contract Pausable is Ownable {
  event Pause();
  event Unpause();

  bool public paused = false;


  /**
   * @dev Modifier to make a function callable only when the contract is not paused.
   */
  modifier whenNotPaused() {
    require(!paused);
    _;
  }

  /**
   * @dev Modifier to make a function callable only when the contract is paused.
   */
  modifier whenPaused() {
    require(paused);
    _;
  }

  /**
   * @dev called by the owner to pause, triggers stopped state
   */
  function pause() public onlyOwner whenNotPaused {
    paused = true;
    emit Pause();
  }

  /**
   * @dev called by the owner to unpause, returns to normal state
   */
  function unpause() public onlyOwner whenPaused {
    paused = false;
    emit Unpause();
  }
}

// File: openzeppelin-solidity/contracts/introspection/ERC165.sol

/**
 * @title ERC165
 * @dev https://github.com/ethereum/EIPs/blob/master/EIPS/eip-165.md
 */
interface ERC165 {

  /**
   * @notice Query if a contract implements an interface
   * @param _interfaceId The interface identifier, as specified in ERC-165
   * @dev Interface identification is specified in ERC-165. This function
   * uses less than 30,000 gas.
   */
  function supportsInterface(bytes4 _interfaceId)
    external
    view
    returns (bool);
}

// File: openzeppelin-solidity/contracts/token/ERC721/ERC721Basic.sol

/**
 * @title ERC721 Non-Fungible Token Standard basic interface
 * @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
 */
contract ERC721Basic is ERC165 {

  bytes4 internal constant InterfaceId_ERC721 = 0x80ac58cd;
  /*
   * 0x80ac58cd ===
   *   bytes4(keccak256('balanceOf(address)')) ^
   *   bytes4(keccak256('ownerOf(uint256)')) ^
   *   bytes4(keccak256('approve(address,uint256)')) ^
   *   bytes4(keccak256('getApproved(uint256)')) ^
   *   bytes4(keccak256('setApprovalForAll(address,bool)')) ^
   *   bytes4(keccak256('isApprovedForAll(address,address)')) ^
   *   bytes4(keccak256('transferFrom(address,address,uint256)')) ^
   *   bytes4(keccak256('safeTransferFrom(address,address,uint256)')) ^
   *   bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)'))
   */

  bytes4 internal constant InterfaceId_ERC721Exists = 0x4f558e79;
  /*
   * 0x4f558e79 ===
   *   bytes4(keccak256('exists(uint256)'))
   */

  bytes4 internal constant InterfaceId_ERC721Enumerable = 0x780e9d63;
  /**
   * 0x780e9d63 ===
   *   bytes4(keccak256('totalSupply()')) ^
   *   bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) ^
   *   bytes4(keccak256('tokenByIndex(uint256)'))
   */

  bytes4 internal constant InterfaceId_ERC721Metadata = 0x5b5e139f;
  /**
   * 0x5b5e139f ===
   *   bytes4(keccak256('name()')) ^
   *   bytes4(keccak256('symbol()')) ^
   *   bytes4(keccak256('tokenURI(uint256)'))
   */

  event Transfer(
    address indexed _from,
    address indexed _to,
    uint256 indexed _tokenId
  );
  event Approval(
    address indexed _owner,
    address indexed _approved,
    uint256 indexed _tokenId
  );
  event ApprovalForAll(
    address indexed _owner,
    address indexed _operator,
    bool _approved
  );

  function balanceOf(address _owner) public view returns (uint256 _balance);
  function ownerOf(uint256 _tokenId) public view returns (address _owner);
  function exists(uint256 _tokenId) public view returns (bool _exists);

  function approve(address _to, uint256 _tokenId) public;
  function getApproved(uint256 _tokenId)
    public view returns (address _operator);

  function setApprovalForAll(address _operator, bool _approved) public;
  function isApprovedForAll(address _owner, address _operator)
    public view returns (bool);

  function transferFrom(address _from, address _to, uint256 _tokenId) public;
  function safeTransferFrom(address _from, address _to, uint256 _tokenId)
    public;

  function safeTransferFrom(
    address _from,
    address _to,
    uint256 _tokenId,
    bytes _data
  )
    public;
}

// File: openzeppelin-solidity/contracts/token/ERC721/ERC721.sol

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
 */
contract ERC721Enumerable is ERC721Basic {
  function totalSupply() public view returns (uint256);
  function tokenOfOwnerByIndex(
    address _owner,
    uint256 _index
  )
    public
    view
    returns (uint256 _tokenId);

  function tokenByIndex(uint256 _index) public view returns (uint256);
}


/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
 */
contract ERC721Metadata is ERC721Basic {
  function name() external view returns (string _name);
  function symbol() external view returns (string _symbol);
  function tokenURI(uint256 _tokenId) public view returns (string);
}


/**
 * @title ERC-721 Non-Fungible Token Standard, full implementation interface
 * @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
 */
contract ERC721 is ERC721Basic, ERC721Enumerable, ERC721Metadata {
}

// File: openzeppelin-solidity/contracts/token/ERC721/ERC721Receiver.sol

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
contract ERC721Receiver {
  /**
   * @dev Magic value to be returned upon successful reception of an NFT
   *  Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`,
   *  which can be also obtained as `ERC721Receiver(0).onERC721Received.selector`
   */
  bytes4 internal constant ERC721_RECEIVED = 0x150b7a02;

  /**
   * @notice Handle the receipt of an NFT
   * @dev The ERC721 smart contract calls this function on the recipient
   * after a `safetransfer`. This function MAY throw to revert and reject the
   * transfer. Return of other than the magic value MUST result in the
   * transaction being reverted.
   * Note: the contract address is always the message sender.
   * @param _operator The address which called `safeTransferFrom` function
   * @param _from The address which previously owned the token
   * @param _tokenId The NFT identifier which is being transferred
   * @param _data Additional data with no specified format
   * @return `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
   */
  function onERC721Received(
    address _operator,
    address _from,
    uint256 _tokenId,
    bytes _data
  )
    public
    returns(bytes4);
}

// File: openzeppelin-solidity/contracts/AddressUtils.sol

/**
 * Utility library of inline functions on addresses
 */
library AddressUtils {

  /**
   * Returns whether the target address is a contract
   * @dev This function will return false if invoked during the constructor of a contract,
   * as the code is not actually created until after the constructor finishes.
   * @param _addr address to check
   * @return whether the target address is a contract
   */
  function isContract(address _addr) internal view returns (bool) {
    uint256 size;
    // XXX Currently there is no better way to check if there is a contract in an address
    // than to check the size of the code at that address.
    // See https://ethereum.stackexchange.com/a/14016/36603
    // for more details about how this works.
    // TODO Check this again before the Serenity release, because all addresses will be
    // contracts then.
    // solium-disable-next-line security/no-inline-assembly
    assembly { size := extcodesize(_addr) }
    return size > 0;
  }

}

// File: openzeppelin-solidity/contracts/introspection/SupportsInterfaceWithLookup.sol

/**
 * @title SupportsInterfaceWithLookup
 * @author Matt Condon (@shrugs)
 * @dev Implements ERC165 using a lookup table.
 */
contract SupportsInterfaceWithLookup is ERC165 {

  bytes4 public constant InterfaceId_ERC165 = 0x01ffc9a7;
  /**
   * 0x01ffc9a7 ===
   *   bytes4(keccak256('supportsInterface(bytes4)'))
   */

  /**
   * @dev a mapping of interface id to whether or not it's supported
   */
  mapping(bytes4 => bool) internal supportedInterfaces;

  /**
   * @dev A contract implementing SupportsInterfaceWithLookup
   * implement ERC165 itself
   */
  constructor()
    public
  {
    _registerInterface(InterfaceId_ERC165);
  }

  /**
   * @dev implement supportsInterface(bytes4) using a lookup table
   */
  function supportsInterface(bytes4 _interfaceId)
    external
    view
    returns (bool)
  {
    return supportedInterfaces[_interfaceId];
  }

  /**
   * @dev private method for registering an interface
   */
  function _registerInterface(bytes4 _interfaceId)
    internal
  {
    require(_interfaceId != 0xffffffff);
    supportedInterfaces[_interfaceId] = true;
  }
}

// File: openzeppelin-solidity/contracts/token/ERC721/ERC721BasicToken.sol

/**
 * @title ERC721 Non-Fungible Token Standard basic implementation
 * @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
 */
contract ERC721BasicToken is SupportsInterfaceWithLookup, ERC721Basic {

  using SafeMath for uint256;
  using AddressUtils for address;

  // Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
  // which can be also obtained as `ERC721Receiver(0).onERC721Received.selector`
  bytes4 private constant ERC721_RECEIVED = 0x150b7a02;

  // Mapping from token ID to owner
  mapping (uint256 => address) internal tokenOwner;

  // Mapping from token ID to approved address
  mapping (uint256 => address) internal tokenApprovals;

  // Mapping from owner to number of owned token
  mapping (address => uint256) internal ownedTokensCount;

  // Mapping from owner to operator approvals
  mapping (address => mapping (address => bool)) internal operatorApprovals;

  constructor()
    public
  {
    // register the supported interfaces to conform to ERC721 via ERC165
    _registerInterface(InterfaceId_ERC721);
    _registerInterface(InterfaceId_ERC721Exists);
  }

  /**
   * @dev Gets the balance of the specified address
   * @param _owner address to query the balance of
   * @return uint256 representing the amount owned by the passed address
   */
  function balanceOf(address _owner) public view returns (uint256) {
    require(_owner != address(0));
    return ownedTokensCount[_owner];
  }

  /**
   * @dev Gets the owner of the specified token ID
   * @param _tokenId uint256 ID of the token to query the owner of
   * @return owner address currently marked as the owner of the given token ID
   */
  function ownerOf(uint256 _tokenId) public view returns (address) {
    address owner = tokenOwner[_tokenId];
    require(owner != address(0));
    return owner;
  }

  /**
   * @dev Returns whether the specified token exists
   * @param _tokenId uint256 ID of the token to query the existence of
   * @return whether the token exists
   */
  function exists(uint256 _tokenId) public view returns (bool) {
    address owner = tokenOwner[_tokenId];
    return owner != address(0);
  }

  /**
   * @dev Approves another address to transfer the given token ID
   * The zero address indicates there is no approved address.
   * There can only be one approved address per token at a given time.
   * Can only be called by the token owner or an approved operator.
   * @param _to address to be approved for the given token ID
   * @param _tokenId uint256 ID of the token to be approved
   */
  function approve(address _to, uint256 _tokenId) public {
    address owner = ownerOf(_tokenId);
    require(_to != owner);
    require(msg.sender == owner || isApprovedForAll(owner, msg.sender));

    tokenApprovals[_tokenId] = _to;
    emit Approval(owner, _to, _tokenId);
  }

  /**
   * @dev Gets the approved address for a token ID, or zero if no address set
   * @param _tokenId uint256 ID of the token to query the approval of
   * @return address currently approved for the given token ID
   */
  function getApproved(uint256 _tokenId) public view returns (address) {
    return tokenApprovals[_tokenId];
  }

  /**
   * @dev Sets or unsets the approval of a given operator
   * An operator is allowed to transfer all tokens of the sender on their behalf
   * @param _to operator address to set the approval
   * @param _approved representing the status of the approval to be set
   */
  function setApprovalForAll(address _to, bool _approved) public {
    require(_to != msg.sender);
    operatorApprovals[msg.sender][_to] = _approved;
    emit ApprovalForAll(msg.sender, _to, _approved);
  }

  /**
   * @dev Tells whether an operator is approved by a given owner
   * @param _owner owner address which you want to query the approval of
   * @param _operator operator address which you want to query the approval of
   * @return bool whether the given operator is approved by the given owner
   */
  function isApprovedForAll(
    address _owner,
    address _operator
  )
    public
    view
    returns (bool)
  {
    return operatorApprovals[_owner][_operator];
  }

  /**
   * @dev Transfers the ownership of a given token ID to another address
   * Usage of this method is discouraged, use `safeTransferFrom` whenever possible
   * Requires the msg sender to be the owner, approved, or operator
   * @param _from current owner of the token
   * @param _to address to receive the ownership of the given token ID
   * @param _tokenId uint256 ID of the token to be transferred
  */
  function transferFrom(
    address _from,
    address _to,
    uint256 _tokenId
  )
    public
  {
    require(isApprovedOrOwner(msg.sender, _tokenId));
    require(_from != address(0));
    require(_to != address(0));

    clearApproval(_from, _tokenId);
    removeTokenFrom(_from, _tokenId);
    addTokenTo(_to, _tokenId);

    emit Transfer(_from, _to, _tokenId);
  }

  /**
   * @dev Safely transfers the ownership of a given token ID to another address
   * If the target address is a contract, it must implement `onERC721Received`,
   * which is called upon a safe transfer, and return the magic value
   * `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise,
   * the transfer is reverted.
   *
   * Requires the msg sender to be the owner, approved, or operator
   * @param _from current owner of the token
   * @param _to address to receive the ownership of the given token ID
   * @param _tokenId uint256 ID of the token to be transferred
  */
  function safeTransferFrom(
    address _from,
    address _to,
    uint256 _tokenId
  )
    public
  {
    // solium-disable-next-line arg-overflow
    safeTransferFrom(_from, _to, _tokenId, "");
  }

  /**
   * @dev Safely transfers the ownership of a given token ID to another address
   * If the target address is a contract, it must implement `onERC721Received`,
   * which is called upon a safe transfer, and return the magic value
   * `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise,
   * the transfer is reverted.
   * Requires the msg sender to be the owner, approved, or operator
   * @param _from current owner of the token
   * @param _to address to receive the ownership of the given token ID
   * @param _tokenId uint256 ID of the token to be transferred
   * @param _data bytes data to send along with a safe transfer check
   */
  function safeTransferFrom(
    address _from,
    address _to,
    uint256 _tokenId,
    bytes _data
  )
    public
  {
    transferFrom(_from, _to, _tokenId);
    // solium-disable-next-line arg-overflow
    require(checkAndCallSafeTransfer(_from, _to, _tokenId, _data));
  }

  /**
   * @dev Returns whether the given spender can transfer a given token ID
   * @param _spender address of the spender to query
   * @param _tokenId uint256 ID of the token to be transferred
   * @return bool whether the msg.sender is approved for the given token ID,
   *  is an operator of the owner, or is the owner of the token
   */
  function isApprovedOrOwner(
    address _spender,
    uint256 _tokenId
  )
    internal
    view
    returns (bool)
  {
    address owner = ownerOf(_tokenId);
    // Disable solium check because of
    // https://github.com/duaraghav8/Solium/issues/175
    // solium-disable-next-line operator-whitespace
    return (
      _spender == owner ||
      getApproved(_tokenId) == _spender ||
      isApprovedForAll(owner, _spender)
    );
  }

  /**
   * @dev Internal function to mint a new token
   * Reverts if the given token ID already exists
   * @param _to The address that will own the minted token
   * @param _tokenId uint256 ID of the token to be minted by the msg.sender
   */
  function _mint(address _to, uint256 _tokenId) internal {
    require(_to != address(0));
    addTokenTo(_to, _tokenId);
    emit Transfer(address(0), _to, _tokenId);
  }

  /**
   * @dev Internal function to burn a specific token
   * Reverts if the token does not exist
   * @param _tokenId uint256 ID of the token being burned by the msg.sender
   */
  function _burn(address _owner, uint256 _tokenId) internal {
    clearApproval(_owner, _tokenId);
    removeTokenFrom(_owner, _tokenId);
    emit Transfer(_owner, address(0), _tokenId);
  }

  /**
   * @dev Internal function to clear current approval of a given token ID
   * Reverts if the given address is not indeed the owner of the token
   * @param _owner owner of the token
   * @param _tokenId uint256 ID of the token to be transferred
   */
  function clearApproval(address _owner, uint256 _tokenId) internal {
    require(ownerOf(_tokenId) == _owner);
    if (tokenApprovals[_tokenId] != address(0)) {
      tokenApprovals[_tokenId] = address(0);
    }
  }

  /**
   * @dev Internal function to add a token ID to the list of a given address
   * @param _to address representing the new owner of the given token ID
   * @param _tokenId uint256 ID of the token to be added to the tokens list of the given address
   */
  function addTokenTo(address _to, uint256 _tokenId) internal {
    require(tokenOwner[_tokenId] == address(0));
    tokenOwner[_tokenId] = _to;
    ownedTokensCount[_to] = ownedTokensCount[_to].add(1);
  }

  /**
   * @dev Internal function to remove a token ID from the list of a given address
   * @param _from address representing the previous owner of the given token ID
   * @param _tokenId uint256 ID of the token to be removed from the tokens list of the given address
   */
  function removeTokenFrom(address _from, uint256 _tokenId) internal {
    require(ownerOf(_tokenId) == _from);
    ownedTokensCount[_from] = ownedTokensCount[_from].sub(1);
    tokenOwner[_tokenId] = address(0);
  }

  /**
   * @dev Internal function to invoke `onERC721Received` on a target address
   * The call is not executed if the target address is not a contract
   * @param _from address representing the previous owner of the given token ID
   * @param _to target address that will receive the tokens
   * @param _tokenId uint256 ID of the token to be transferred
   * @param _data bytes optional data to send along with the call
   * @return whether the call correctly returned the expected magic value
   */
  function checkAndCallSafeTransfer(
    address _from,
    address _to,
    uint256 _tokenId,
    bytes _data
  )
    internal
    returns (bool)
  {
    if (!_to.isContract()) {
      return true;
    }
    bytes4 retval = ERC721Receiver(_to).onERC721Received(
      msg.sender, _from, _tokenId, _data);
    return (retval == ERC721_RECEIVED);
  }
}

// File: openzeppelin-solidity/contracts/token/ERC721/ERC721Token.sol

/**
 * @title Full ERC721 Token
 * This implementation includes all the required and some optional functionality of the ERC721 standard
 * Moreover, it includes approve all functionality using operator terminology
 * @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
 */
contract ERC721Token is SupportsInterfaceWithLookup, ERC721BasicToken, ERC721 {

  // Token name
  string internal name_;

  // Token symbol
  string internal symbol_;

  // Mapping from owner to list of owned token IDs
  mapping(address => uint256[]) internal ownedTokens;

  // Mapping from token ID to index of the owner tokens list
  mapping(uint256 => uint256) internal ownedTokensIndex;

  // Array with all token ids, used for enumeration
  uint256[] internal allTokens;

  // Mapping from token id to position in the allTokens array
  mapping(uint256 => uint256) internal allTokensIndex;

  // Optional mapping for token URIs
  mapping(uint256 => string) internal tokenURIs;

  /**
   * @dev Constructor function
   */
  constructor(string _name, string _symbol) public {
    name_ = _name;
    symbol_ = _symbol;

    // register the supported interfaces to conform to ERC721 via ERC165
    _registerInterface(InterfaceId_ERC721Enumerable);
    _registerInterface(InterfaceId_ERC721Metadata);
  }

  /**
   * @dev Gets the token name
   * @return string representing the token name
   */
  function name() external view returns (string) {
    return name_;
  }

  /**
   * @dev Gets the token symbol
   * @return string representing the token symbol
   */
  function symbol() external view returns (string) {
    return symbol_;
  }

  /**
   * @dev Returns an URI for a given token ID
   * Throws if the token ID does not exist. May return an empty string.
   * @param _tokenId uint256 ID of the token to query
   */
  function tokenURI(uint256 _tokenId) public view returns (string) {
    require(exists(_tokenId));
    return tokenURIs[_tokenId];
  }

  /**
   * @dev Gets the token ID at a given index of the tokens list of the requested owner
   * @param _owner address owning the tokens list to be accessed
   * @param _index uint256 representing the index to be accessed of the requested tokens list
   * @return uint256 token ID at the given index of the tokens list owned by the requested address
   */
  function tokenOfOwnerByIndex(
    address _owner,
    uint256 _index
  )
    public
    view
    returns (uint256)
  {
    require(_index < balanceOf(_owner));
    return ownedTokens[_owner][_index];
  }

  /**
   * @dev Gets the total amount of tokens stored by the contract
   * @return uint256 representing the total amount of tokens
   */
  function totalSupply() public view returns (uint256) {
    return allTokens.length;
  }

  /**
   * @dev Gets the token ID at a given index of all the tokens in this contract
   * Reverts if the index is greater or equal to the total number of tokens
   * @param _index uint256 representing the index to be accessed of the tokens list
   * @return uint256 token ID at the given index of the tokens list
   */
  function tokenByIndex(uint256 _index) public view returns (uint256) {
    require(_index < totalSupply());
    return allTokens[_index];
  }

  /**
   * @dev Internal function to set the token URI for a given token
   * Reverts if the token ID does not exist
   * @param _tokenId uint256 ID of the token to set its URI
   * @param _uri string URI to assign
   */
  function _setTokenURI(uint256 _tokenId, string _uri) internal {
    require(exists(_tokenId));
    tokenURIs[_tokenId] = _uri;
  }

  /**
   * @dev Internal function to add a token ID to the list of a given address
   * @param _to address representing the new owner of the given token ID
   * @param _tokenId uint256 ID of the token to be added to the tokens list of the given address
   */
  function addTokenTo(address _to, uint256 _tokenId) internal {
    super.addTokenTo(_to, _tokenId);
    uint256 length = ownedTokens[_to].length;
    ownedTokens[_to].push(_tokenId);
    ownedTokensIndex[_tokenId] = length;
  }

  /**
   * @dev Internal function to remove a token ID from the list of a given address
   * @param _from address representing the previous owner of the given token ID
   * @param _tokenId uint256 ID of the token to be removed from the tokens list of the given address
   */
  function removeTokenFrom(address _from, uint256 _tokenId) internal {
    super.removeTokenFrom(_from, _tokenId);

    // To prevent a gap in the array, we store the last token in the index of the token to delete, and
    // then delete the last slot.
    uint256 tokenIndex = ownedTokensIndex[_tokenId];
    uint256 lastTokenIndex = ownedTokens[_from].length.sub(1);
    uint256 lastToken = ownedTokens[_from][lastTokenIndex];

    ownedTokens[_from][tokenIndex] = lastToken;
    // This also deletes the contents at the last position of the array
    ownedTokens[_from].length--;

    // Note that this will handle single-element arrays. In that case, both tokenIndex and lastTokenIndex are going to
    // be zero. Then we can make sure that we will remove _tokenId from the ownedTokens list since we are first swapping
    // the lastToken to the first position, and then dropping the element placed in the last position of the list

    ownedTokensIndex[_tokenId] = 0;
    ownedTokensIndex[lastToken] = tokenIndex;
  }

  /**
   * @dev Internal function to mint a new token
   * Reverts if the given token ID already exists
   * @param _to address the beneficiary that will own the minted token
   * @param _tokenId uint256 ID of the token to be minted by the msg.sender
   */
  function _mint(address _to, uint256 _tokenId) internal {
    super._mint(_to, _tokenId);

    allTokensIndex[_tokenId] = allTokens.length;
    allTokens.push(_tokenId);
  }

  /**
   * @dev Internal function to burn a specific token
   * Reverts if the token does not exist
   * @param _owner owner of the token to burn
   * @param _tokenId uint256 ID of the token being burned by the msg.sender
   */
  function _burn(address _owner, uint256 _tokenId) internal {
    super._burn(_owner, _tokenId);

    // Clear metadata (if any)
    if (bytes(tokenURIs[_tokenId]).length != 0) {
      delete tokenURIs[_tokenId];
    }

    // Reorg all tokens array
    uint256 tokenIndex = allTokensIndex[_tokenId];
    uint256 lastTokenIndex = allTokens.length.sub(1);
    uint256 lastToken = allTokens[lastTokenIndex];

    allTokens[tokenIndex] = lastToken;
    allTokens[lastTokenIndex] = 0;

    allTokens.length--;
    allTokensIndex[_tokenId] = 0;
    allTokensIndex[lastToken] = tokenIndex;
  }

}

// File: contracts/v2/Strings.sol

library Strings {
  // via https://github.com/oraclize/ethereum-api/blob/master/oraclizeAPI_0.5.sol
  function strConcat(string _a, string _b, string _c, string _d, string _e) internal pure returns (string) {
    bytes memory _ba = bytes(_a);
    bytes memory _bb = bytes(_b);
    bytes memory _bc = bytes(_c);
    bytes memory _bd = bytes(_d);
    bytes memory _be = bytes(_e);
    string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length);
    bytes memory babcde = bytes(abcde);
    uint k = 0;
    for (uint i = 0; i < _ba.length; i++) babcde[k++] = _ba[i];
    for (i = 0; i < _bb.length; i++) babcde[k++] = _bb[i];
    for (i = 0; i < _bc.length; i++) babcde[k++] = _bc[i];
    for (i = 0; i < _bd.length; i++) babcde[k++] = _bd[i];
    for (i = 0; i < _be.length; i++) babcde[k++] = _be[i];
    return string(babcde);
  }

  function strConcat(string _a, string _b) internal pure returns (string) {
    return strConcat(_a, _b, "", "", "");
  }
}

// File: contracts/v2/KnownOriginDigitalAssetV2.sol

// allows for multi-address access controls to different functions


// Prevents stuck ether


// For safe maths operations


// Pause purchasing only in case of emergency/migration


// ERC721


// Utils only


/**
* @title KnownOriginDigitalAsset - V2
*
* http://www.knownorigin.io/
*
* ERC721 compliant digital assets for real-world artwork.
*
* Base NFT Issuance Contract
*
* BE ORIGINAL. BUY ORIGINAL.
*
*/
contract KnownOriginDigitalAssetV2 is
ERC721Token,
AccessControl,
HasNoEther,
Pausable
{
  using SafeMath for uint256;

  ////////////
  // Events //
  ////////////

  // Emitted on purchases from within this contract
  event Purchase(
    uint256 indexed _tokenId,
    uint256 indexed _editionNumber,
    address indexed _buyer,
    uint256 _priceInWei
  );

  // Emitted on every mint
  event Minted(
    uint256 indexed _tokenId,
    uint256 indexed _editionNumber,
    address indexed _buyer
  );

  // Emitted on every edition created
  event EditionCreated(
    uint256 indexed _editionNumber,
    bytes32 indexed _editionData,
    uint256 indexed _editionType
  );

  ////////////////
  // Properties //
  ////////////////

  uint256 constant internal MAX_UINT32 = ~uint32(0);

  string public tokenBaseURI = "https://ipfs.infura.io/ipfs/";

  // simple counter to keep track of the highest edition number used
  uint256 public highestEditionNumber;

  // total wei been processed through the contract
  uint256 public totalPurchaseValueInWei;

  // number of assets minted of any type
  uint256 public totalNumberMinted;

  // number of assets available of any type
  uint256 public totalNumberAvailable;

  // the KO account which can receive commission
  address public koCommissionAccount;

  // Optional commission split can be defined per edition
  mapping(uint256 => CommissionSplit) editionNumberToOptionalCommissionSplit;

  // Simple structure providing an optional commission split per edition purchase
  struct CommissionSplit {
    uint256 rate;
    address recipient;
  }

  // Object for edition details
  struct EditionDetails {
    // Identifiers
    uint256 editionNumber;    // the range e.g. 10000
    bytes32 editionData;      // some data about the edition
    uint256 editionType;      // e.g. 1 = KODA V1, 2 = KOTA, 3 = Bespoke partnership
    // Config
    uint256 startDate;        // date when the edition goes on sale
    uint256 endDate;          // date when the edition is available until
    address artistAccount;    // artists account
    uint256 artistCommission; // base artists commission, could be overridden by external contracts
    uint256 priceInWei;       // base price for edition, could be overridden by external contracts
    string tokenURI;          // IPFS hash - see base URI
    bool active;              // Root control - on/off for the edition
    // Counters
    uint256 totalSupply;      // Total purchases or mints
    uint256 totalAvailable;   // Total number available to be purchased
  }

  // _editionNumber : EditionDetails
  mapping(uint256 => EditionDetails) internal editionNumberToEditionDetails;

  // _tokenId : _editionNumber
  mapping(uint256 => uint256) internal tokenIdToEditionNumber;

  // _editionNumber : [_tokenId, _tokenId]
  mapping(uint256 => uint256[]) internal editionNumberToTokenIds;
  mapping(uint256 => uint256) internal editionNumberToTokenIdIndex;

  // _artistAccount : [_editionNumber, _editionNumber]
  mapping(address => uint256[]) internal artistToEditionNumbers;
  mapping(uint256 => uint256) internal editionNumberToArtistIndex;

  // _editionType : [_editionNumber, _editionNumber]
  mapping(uint256 => uint256[]) internal editionTypeToEditionNumber;
  mapping(uint256 => uint256) internal editionNumberToTypeIndex;

  ///////////////
  // Modifiers //
  ///////////////

  modifier onlyAvailableEdition(uint256 _editionNumber) {
    require(editionNumberToEditionDetails[_editionNumber].totalSupply < editionNumberToEditionDetails[_editionNumber].totalAvailable, "No more editions left to purchase");
    _;
  }

  modifier onlyActiveEdition(uint256 _editionNumber) {
    require(editionNumberToEditionDetails[_editionNumber].active, "Edition not active");
    _;
  }

  modifier onlyRealEdition(uint256 _editionNumber) {
    require(editionNumberToEditionDetails[_editionNumber].editionNumber > 0, "Edition number invalid");
    _;
  }

  modifier onlyValidTokenId(uint256 _tokenId) {
    require(exists(_tokenId), "Token ID does not exist");
    _;
  }

  modifier onlyPurchaseDuringWindow(uint256 _editionNumber) {
    require(editionNumberToEditionDetails[_editionNumber].startDate <= block.timestamp, "Edition not available yet");
    require(editionNumberToEditionDetails[_editionNumber].endDate >= block.timestamp, "Edition no longer available");
    _;
  }

  /*
   * Constructor
   */
  constructor () public payable ERC721Token("KnownOriginDigitalAsset", "KODA") {
    // set commission account to contract creator
    koCommissionAccount = msg.sender;
  }

  /**
   * @dev Creates an active edition from the given configuration
   * @dev Only callable from KO staff/addresses
   */
  function createActiveEdition(
    uint256 _editionNumber,
    bytes32 _editionData,
    uint256 _editionType,
    uint256 _startDate,
    uint256 _endDate,
    address _artistAccount,
    uint256 _artistCommission,
    uint256 _priceInWei,
    string _tokenURI,
    uint256 _totalAvailable
  )
  public
  onlyIfKnownOrigin
  returns (bool)
  {
    return _createEdition(_editionNumber, _editionData, _editionType, _startDate, _endDate, _artistAccount, _artistCommission, _priceInWei, _tokenURI, _totalAvailable, true);
  }

  /**
   * @dev Creates an inactive edition from the given configuration
   * @dev Only callable from KO staff/addresses
   */
  function createInactiveEdition(
    uint256 _editionNumber,
    bytes32 _editionData,
    uint256 _editionType,
    uint256 _startDate,
    uint256 _endDate,
    address _artistAccount,
    uint256 _artistCommission,
    uint256 _priceInWei,
    string _tokenURI,
    uint256 _totalAvailable
  )
  public
  onlyIfKnownOrigin
  returns (bool)
  {
    return _createEdition(_editionNumber, _editionData, _editionType, _startDate, _endDate, _artistAccount, _artistCommission, _priceInWei, _tokenURI, _totalAvailable, false);
  }

  /**
   * @dev Creates an active edition from the given configuration
   * @dev The concept of pre0minted editions means we can 'undermint' token IDS, good for holding back editions from public sale
   * @dev Only callable from KO staff/addresses
   */
  function createActivePreMintedEdition(
    uint256 _editionNumber,
    bytes32 _editionData,
    uint256 _editionType,
    uint256 _startDate,
    uint256 _endDate,
    address _artistAccount,
    uint256 _artistCommission,
    uint256 _priceInWei,
    string _tokenURI,
    uint256 _totalSupply,
    uint256 _totalAvailable
  )
  public
  onlyIfKnownOrigin
  returns (bool)
  {
    _createEdition(_editionNumber, _editionData, _editionType, _startDate, _endDate, _artistAccount, _artistCommission, _priceInWei, _tokenURI, _totalAvailable, true);
    updateTotalSupply(_editionNumber, _totalSupply);
    return true;
  }

  /**
   * @dev Creates an inactive edition from the given configuration
   * @dev The concept of pre0minted editions means we can 'undermint' token IDS, good for holding back editions from public sale
   * @dev Only callable from KO staff/addresses
   */
  function createInactivePreMintedEdition(
    uint256 _editionNumber,
    bytes32 _editionData,
    uint256 _editionType,
    uint256 _startDate,
    uint256 _endDate,
    address _artistAccount,
    uint256 _artistCommission,
    uint256 _priceInWei,
    string _tokenURI,
    uint256 _totalSupply,
    uint256 _totalAvailable
  )
  public
  onlyIfKnownOrigin
  returns (bool)
  {
    _createEdition(_editionNumber, _editionData, _editionType, _startDate, _endDate, _artistAccount, _artistCommission, _priceInWei, _tokenURI, _totalAvailable, false);
    updateTotalSupply(_editionNumber, _totalSupply);
    return true;
  }

  /**
   * @dev Internal factory method for building editions
   */
  function _createEdition(
    uint256 _editionNumber,
    bytes32 _editionData,
    uint256 _editionType,
    uint256 _startDate,
    uint256 _endDate,
    address _artistAccount,
    uint256 _artistCommission,
    uint256 _priceInWei,
    string _tokenURI,
    uint256 _totalAvailable,
    bool _active
  )
  internal
  returns (bool)
  {
    // Prevent missing edition number
    require(_editionNumber != 0, "Edition number not provided");

    // Prevent edition number lower than last one used
    require(_editionNumber > highestEditionNumber, "Edition number must be greater than previously used");

    // Check previously edition plus total available is less than new edition number
    require(highestEditionNumber.add(editionNumberToEditionDetails[highestEditionNumber].totalAvailable) < _editionNumber, "Edition number must be greater than previously used plus total available");

    // Prevent missing types
    require(_editionType != 0, "Edition type not provided");

    // Prevent missing token URI
    require(bytes(_tokenURI).length != 0, "Token URI is missing");

    // Prevent empty artists address
    require(_artistAccount != address(0), "Artist account not provided");

    // Prevent invalid commissions
    require(_artistCommission <= 100 && _artistCommission >= 0, "Artist commission cannot be greater than 100 or less than 0");

    // Prevent duplicate editions
    require(editionNumberToEditionDetails[_editionNumber].editionNumber == 0, "Edition already in existence");

    // Default end date to max uint256
    uint256 endDate = _endDate;
    if (_endDate == 0) {
      endDate = MAX_UINT32;
    }

    editionNumberToEditionDetails[_editionNumber] = EditionDetails({
      editionNumber : _editionNumber,
      editionData : _editionData,
      editionType : _editionType,
      startDate : _startDate,
      endDate : endDate,
      artistAccount : _artistAccount,
      artistCommission : _artistCommission,
      priceInWei : _priceInWei,
      tokenURI : _tokenURI,
      totalSupply : 0, // default to all available
      totalAvailable : _totalAvailable,
      active : _active
      });

    // Add to total available count
    totalNumberAvailable = totalNumberAvailable.add(_totalAvailable);

    // Update mappings
    _updateArtistLookupData(_artistAccount, _editionNumber);
    _updateEditionTypeLookupData(_editionType, _editionNumber);

    emit EditionCreated(_editionNumber, _editionData, _editionType);

    // Update the edition pointer if needs be
    highestEditionNumber = _editionNumber;

    return true;
  }

  function _updateEditionTypeLookupData(uint256 _editionType, uint256 _editionNumber) internal {
    uint256 typeEditionIndex = editionTypeToEditionNumber[_editionType].length;
    editionTypeToEditionNumber[_editionType].push(_editionNumber);
    editionNumberToTypeIndex[_editionNumber] = typeEditionIndex;
  }

  function _updateArtistLookupData(address _artistAccount, uint256 _editionNumber) internal {
    uint256 artistEditionIndex = artistToEditionNumbers[_artistAccount].length;
    artistToEditionNumbers[_artistAccount].push(_editionNumber);
    editionNumberToArtistIndex[_editionNumber] = artistEditionIndex;
  }

  /**
   * @dev Public entry point for purchasing an edition
   * @dev Reverts if edition is invalid
   * @dev Reverts if payment not provided in full
   * @dev Reverts if edition is sold out
   * @dev Reverts if edition is not active or available
   */
  function purchase(uint256 _editionNumber)
  public
  payable
  returns (uint256) {
    return purchaseTo(msg.sender, _editionNumber);
  }

  /**
   * @dev Public entry point for purchasing an edition on behalf of someone else
   * @dev Reverts if edition is invalid
   * @dev Reverts if payment not provided in full
   * @dev Reverts if edition is sold out
   * @dev Reverts if edition is not active or available
   */
  function purchaseTo(address _to, uint256 _editionNumber)
  public
  payable
  whenNotPaused
  onlyRealEdition(_editionNumber)
  onlyActiveEdition(_editionNumber)
  onlyAvailableEdition(_editionNumber)
  onlyPurchaseDuringWindow(_editionNumber)
  returns (uint256) {

    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];
    require(msg.value >= _editionDetails.priceInWei, "Value must be greater than price of edition");

    // Construct next token ID e.g. 100000 + 1 = ID of 100001 (this first in the edition set)
    uint256 _tokenId = _nextTokenId(_editionNumber);

    // Create the token
    _mintToken(_to, _tokenId, _editionNumber, _editionDetails.tokenURI);

    // Splice funds and handle commissions
    _handleFunds(_editionNumber, _editionDetails.priceInWei, _editionDetails.artistAccount, _editionDetails.artistCommission);

    // Broadcast purchase
    emit Purchase(_tokenId, _editionNumber, _to, msg.value);

    return _tokenId;
  }

  /**
   * @dev Private (KO only) method for minting editions
   * @dev Payment not needed for this method
   */
  function mint(address _to, uint256 _editionNumber)
  public
  onlyIfMinter
  onlyRealEdition(_editionNumber)
  onlyAvailableEdition(_editionNumber)
  returns (uint256) {
    // Construct next token ID e.g. 100000 + 1 = ID of 100001 (this first in the edition set)
    uint256 _tokenId = _nextTokenId(_editionNumber);

    // Create the token
    _mintToken(_to, _tokenId, _editionNumber, editionNumberToEditionDetails[_editionNumber].tokenURI);

    // Create the token
    return _tokenId;
  }

  /**
   * @dev Private (KO only) method for under minting editions
   * @dev Under minting allows for token IDs to be back filled if total supply is not set to zero by default
   * @dev Payment not needed for this method
   */
  function underMint(address _to, uint256 _editionNumber)
  public
  onlyIfUnderMinter
  onlyRealEdition(_editionNumber)
  returns (uint256) {
    // Under mint token, meaning it takes one from the already sold version
    uint256 _tokenId = _underMintNextTokenId(_editionNumber);

    // If the next tokenId generate is more than the available number, abort as we have reached maximum under mint
    if (_tokenId > _editionNumber.add(editionNumberToEditionDetails[_editionNumber].totalAvailable)) {
      revert("Reached max tokenId, cannot under mint anymore");
    }

    // Create the token
    _mintToken(_to, _tokenId, _editionNumber, editionNumberToEditionDetails[_editionNumber].tokenURI);

    // Create the token
    return _tokenId;
  }

  function _nextTokenId(uint256 _editionNumber) internal returns (uint256) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];

    // Bump number totalSupply
    _editionDetails.totalSupply = _editionDetails.totalSupply.add(1);

    // Construct next token ID e.g. 100000 + 1 = ID of 100001 (this first in the edition set)
    return _editionDetails.editionNumber.add(_editionDetails.totalSupply);
  }

  function _underMintNextTokenId(uint256 _editionNumber) internal returns (uint256) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];

    // For old editions start the counter as edition + 1
    uint256 _tokenId = _editionDetails.editionNumber.add(1);

    // Work your way up until you find a free token based on the new _tokenIdd
    while (exists(_tokenId)) {
      _tokenId = _tokenId.add(1);
    }

    // Bump number totalSupply if we are now over minting new tokens
    if (_tokenId > _editionDetails.editionNumber.add(_editionDetails.totalSupply)) {
      _editionDetails.totalSupply = _editionDetails.totalSupply.add(1);
    }

    return _tokenId;
  }

  function _mintToken(address _to, uint256 _tokenId, uint256 _editionNumber, string _tokenURI) internal {

    // Mint new base token
    super._mint(_to, _tokenId);
    super._setTokenURI(_tokenId, _tokenURI);

    // Maintain mapping for tokenId to edition for lookup
    tokenIdToEditionNumber[_tokenId] = _editionNumber;

    // Get next insert position for edition to token Id mapping
    uint256 currentIndexOfTokenId = editionNumberToTokenIds[_editionNumber].length;

    // Maintain mapping of edition to token array for "edition minted tokens"
    editionNumberToTokenIds[_editionNumber].push(_tokenId);

    // Maintain a position index for the tokenId within the edition number mapping array, used for clean up token burn
    editionNumberToTokenIdIndex[_tokenId] = currentIndexOfTokenId;

    // Record sale volume
    totalNumberMinted = totalNumberMinted.add(1);

    // Emit minted event
    emit Minted(_tokenId, _editionNumber, _to);
  }

  function _handleFunds(uint256 _editionNumber, uint256 _priceInWei, address _artistAccount, uint256 _artistCommission) internal {

    // Extract the artists commission and send it
    uint256 artistPayment = _priceInWei.div(100).mul(_artistCommission);
    if (artistPayment > 0) {
      _artistAccount.transfer(artistPayment);
    }

    // Load any commission overrides
    CommissionSplit storage commission = editionNumberToOptionalCommissionSplit[_editionNumber];

    // Apply optional commission structure
    if (commission.rate > 0) {
      uint256 rateSplit = _priceInWei.div(100).mul(commission.rate);
      commission.recipient.transfer(rateSplit);
    }

    // Send remaining eth to KO
    uint256 remainingCommission = msg.value.sub(artistPayment).sub(rateSplit);
    koCommissionAccount.transfer(remainingCommission);

    // Record wei sale value
    totalPurchaseValueInWei = totalPurchaseValueInWei.add(msg.value);
  }

  /**
   * @dev Private (KO only) method for burning tokens which have been created incorrectly
   */
  function burn(uint256 _tokenId) public onlyIfKnownOrigin {

    // Clear from parents
    super._burn(ownerOf(_tokenId), _tokenId);

    // Get hold of the edition for cleanup
    uint256 _editionNumber = tokenIdToEditionNumber[_tokenId];

    // Delete token ID mapping
    delete tokenIdToEditionNumber[_tokenId];

    // Delete tokens associated to the edition - this will leave a gap in the array of zero
    uint256[] storage tokenIdsForEdition = editionNumberToTokenIds[_editionNumber];
    uint256 editionTokenIdIndex = editionNumberToTokenIdIndex[_tokenId];
    delete tokenIdsForEdition[editionTokenIdIndex];
  }

  /**
   * @dev An extension to the default ERC721 behaviour, derived from ERC-875.
   * @dev Allowing for batch transfers from the sender, will fail if from does not own all the tokens
   */
  function batchTransfer(address _to, uint256[] _tokenIds) public {
    for (uint i = 0; i < _tokenIds.length; i++) {
      safeTransferFrom(ownerOf(_tokenIds[i]), _to, _tokenIds[i]);
    }
  }

  /**
   * @dev An extension to the default ERC721 behaviour, derived from ERC-875.
   * @dev Allowing for batch transfers from the provided address, will fail if from does not own all the tokens
   */
  function batchTransferFrom(address _from, address _to, uint256[] _tokenIds) public {
    for (uint i = 0; i < _tokenIds.length; i++) {
      transferFrom(_from, _to, _tokenIds[i]);
    }
  }

  //////////////////
  // Base Updates //
  //////////////////

  function updateTokenBaseURI(string _newBaseURI)
  external
  onlyIfKnownOrigin {
    require(bytes(_newBaseURI).length != 0, "Base URI invalid");
    tokenBaseURI = _newBaseURI;
  }

  function updateKoCommissionAccount(address _koCommissionAccount)
  external
  onlyIfKnownOrigin {
    require(_koCommissionAccount != address(0), "Invalid address");
    koCommissionAccount = _koCommissionAccount;
  }

  /////////////////////
  // Edition Updates //
  /////////////////////

  function updateEditionTokenURI(uint256 _editionNumber, string _uri)
  external
  onlyIfKnownOrigin
  onlyRealEdition(_editionNumber) {
    editionNumberToEditionDetails[_editionNumber].tokenURI = _uri;
  }

  function updatePriceInWei(uint256 _editionNumber, uint256 _priceInWei)
  external
  onlyIfKnownOrigin
  onlyRealEdition(_editionNumber) {
    editionNumberToEditionDetails[_editionNumber].priceInWei = _priceInWei;
  }

  function updateArtistCommission(uint256 _editionNumber, uint256 _rate)
  external
  onlyIfKnownOrigin
  onlyRealEdition(_editionNumber) {
    editionNumberToEditionDetails[_editionNumber].artistCommission = _rate;
  }

  function updateArtistsAccount(uint256 _editionNumber, address _artistAccount)
  external
  onlyIfKnownOrigin
  onlyRealEdition(_editionNumber) {

    EditionDetails storage _originalEditionDetails = editionNumberToEditionDetails[_editionNumber];

    uint256 editionArtistIndex = editionNumberToArtistIndex[_editionNumber];

    // Get list of editions old artist works with
    uint256[] storage editionNumbersForArtist = artistToEditionNumbers[_originalEditionDetails.artistAccount];

    // Remove edition from artists lists
    delete editionNumbersForArtist[editionArtistIndex];

    // Add new artists to the list
    uint256 newArtistsEditionIndex = artistToEditionNumbers[_artistAccount].length;
    artistToEditionNumbers[_artistAccount].push(_editionNumber);
    editionNumberToArtistIndex[_editionNumber] = newArtistsEditionIndex;

    // Update the edition
    _originalEditionDetails.artistAccount = _artistAccount;
  }

  function updateEditionType(uint256 _editionNumber, uint256 _editionType)
  external
  onlyIfKnownOrigin
  onlyRealEdition(_editionNumber) {

    EditionDetails storage _originalEditionDetails = editionNumberToEditionDetails[_editionNumber];

    // Get list of editions for old type
    uint256[] storage editionNumbersForType = editionTypeToEditionNumber[_originalEditionDetails.editionType];

    // Remove edition from old type list
    uint256 editionTypeIndex = editionNumberToTypeIndex[_editionNumber];
    delete editionNumbersForType[editionTypeIndex];

    // Add new type to the list
    uint256 newTypeEditionIndex = editionTypeToEditionNumber[_editionType].length;
    editionTypeToEditionNumber[_editionType].push(_editionNumber);
    editionNumberToTypeIndex[_editionNumber] = newTypeEditionIndex;

    // Update the edition
    _originalEditionDetails.editionType = _editionType;
  }

  function updateActive(uint256 _editionNumber, bool _active)
  external
  onlyIfKnownOrigin
  onlyRealEdition(_editionNumber) {
    editionNumberToEditionDetails[_editionNumber].active = _active;
  }

  function updateTotalSupply(uint256 _editionNumber, uint256 _totalSupply)
  public
  onlyIfKnownOrigin
  onlyRealEdition(_editionNumber) {
    require(tokensOfEdition(_editionNumber).length <= _totalSupply, "Can not lower totalSupply to below the number of tokens already in existence");
    editionNumberToEditionDetails[_editionNumber].totalSupply = _totalSupply;
  }

  function updateTotalAvailable(uint256 _editionNumber, uint256 _totalAvailable)
  external
  onlyIfKnownOrigin
  onlyRealEdition(_editionNumber) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];

    require(_editionDetails.totalSupply <= _totalAvailable, "Unable to reduce available amount to the below the number totalSupply");

    uint256 originalAvailability = _editionDetails.totalAvailable;
    _editionDetails.totalAvailable = _totalAvailable;
    totalNumberAvailable = totalNumberAvailable.sub(originalAvailability).add(_totalAvailable);
  }

  function updateStartDate(uint256 _editionNumber, uint256 _startDate)
  external
  onlyIfKnownOrigin
  onlyRealEdition(_editionNumber) {
    editionNumberToEditionDetails[_editionNumber].startDate = _startDate;
  }

  function updateEndDate(uint256 _editionNumber, uint256 _endDate)
  external
  onlyIfKnownOrigin
  onlyRealEdition(_editionNumber) {
    editionNumberToEditionDetails[_editionNumber].endDate = _endDate;
  }

  function updateOptionalCommission(uint256 _editionNumber, uint256 _rate, address _recipient)
  external
  onlyIfKnownOrigin
  onlyRealEdition(_editionNumber) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];
    uint256 artistCommission = _editionDetails.artistCommission;

    if (_rate > 0) {
      require(_recipient != address(0), "Setting a rate must be accompanied by a valid address");
    }
    require(artistCommission.add(_rate) <= 100, "Cant set commission greater than 100%");

    editionNumberToOptionalCommissionSplit[_editionNumber] = CommissionSplit({rate : _rate, recipient : _recipient});
  }

  ///////////////////
  // Token Updates //
  ///////////////////

  function setTokenURI(uint256 _tokenId, string _uri)
  external
  onlyIfKnownOrigin
  onlyValidTokenId(_tokenId) {
    _setTokenURI(_tokenId, _uri);
  }

  ///////////////////
  // Query Methods //
  ///////////////////

  /**
   * @dev Lookup the edition of the provided token ID
   * @dev Returns 0 if not valid
   */
  function editionOfTokenId(uint256 _tokenId) public view returns (uint256 _editionNumber) {
    return tokenIdToEditionNumber[_tokenId];
  }

  /**
   * @dev Lookup all editions added for the given edition type
   * @dev Returns array of edition numbers, any zero edition ids can be ignore/stripped
   */
  function editionsOfType(uint256 _type) public view returns (uint256[] _editionNumbers) {
    return editionTypeToEditionNumber[_type];
  }

  /**
   * @dev Lookup all editions for the given artist account
   * @dev Returns empty list if not valid
   */
  function artistsEditions(address _artistsAccount) public view returns (uint256[] _editionNumbers) {
    return artistToEditionNumbers[_artistsAccount];
  }

  /**
   * @dev Lookup all tokens minted for the given edition number
   * @dev Returns array of token IDs, any zero edition ids can be ignore/stripped
   */
  function tokensOfEdition(uint256 _editionNumber) public view returns (uint256[] _tokenIds) {
    return editionNumberToTokenIds[_editionNumber];
  }

  /**
   * @dev Lookup all owned tokens for the provided address
   * @dev Returns array of token IDs
   */
  function tokensOf(address _owner) public view returns (uint256[] _tokenIds) {
    return ownedTokens[_owner];
  }

  /**
   * @dev Checks to see if the edition exists, assumes edition of zero is invalid
   */
  function editionExists(uint256 _editionNumber) public view returns (bool) {
    if (_editionNumber == 0) {
      return false;
    }
    EditionDetails storage editionNumber = editionNumberToEditionDetails[_editionNumber];
    return editionNumber.editionNumber == _editionNumber;
  }

  /**
   * @dev Lookup any optional commission split set for the edition
   * @dev Both values will be zero if not present
   */
  function editionOptionalCommission(uint256 _editionNumber) public view returns (uint256 _rate, address _recipient) {
    CommissionSplit storage commission = editionNumberToOptionalCommissionSplit[_editionNumber];
    return (commission.rate, commission.recipient);
  }

  /**
   * @dev Main entry point for looking up edition config/metadata
   * @dev Reverts if invalid edition number provided
   */
  function detailsOfEdition(uint256 editionNumber)
  public view
  onlyRealEdition(editionNumber)
  returns (
    bytes32 _editionData,
    uint256 _editionType,
    uint256 _startDate,
    uint256 _endDate,
    address _artistAccount,
    uint256 _artistCommission,
    uint256 _priceInWei,
    string _tokenURI,
    uint256 _totalSupply,
    uint256 _totalAvailable,
    bool _active
  ) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[editionNumber];
    return (
    _editionDetails.editionData,
    _editionDetails.editionType,
    _editionDetails.startDate,
    _editionDetails.endDate,
    _editionDetails.artistAccount,
    _editionDetails.artistCommission,
    _editionDetails.priceInWei,
    Strings.strConcat(tokenBaseURI, _editionDetails.tokenURI),
    _editionDetails.totalSupply,
    _editionDetails.totalAvailable,
    _editionDetails.active
    );
  }

  /**
   * @dev Lookup a tokens common identifying characteristics
   * @dev Reverts if invalid token ID provided
   */
  function tokenData(uint256 _tokenId)
  public view
  onlyValidTokenId(_tokenId)
  returns (
    uint256 _editionNumber,
    uint256 _editionType,
    bytes32 _editionData,
    string _tokenURI,
    address _owner
  ) {
    uint256 editionNumber = tokenIdToEditionNumber[_tokenId];
    EditionDetails storage editionDetails = editionNumberToEditionDetails[editionNumber];
    return (
    editionNumber,
    editionDetails.editionType,
    editionDetails.editionData,
    tokenURI(_tokenId),
    ownerOf(_tokenId)
    );
  }

  function tokenURI(uint256 _tokenId) public view onlyValidTokenId(_tokenId) returns (string) {
    return Strings.strConcat(tokenBaseURI, tokenURIs[_tokenId]);
  }

  function tokenURISafe(uint256 _tokenId) public view returns (string) {
    return Strings.strConcat(tokenBaseURI, tokenURIs[_tokenId]);
  }

  function purchaseDatesToken(uint256 _tokenId) public view returns (uint256 _startDate, uint256 _endDate) {
    uint256 _editionNumber = tokenIdToEditionNumber[_tokenId];
    return purchaseDatesEdition(_editionNumber);
  }

  function priceInWeiToken(uint256 _tokenId) public view returns (uint256 _priceInWei) {
    uint256 _editionNumber = tokenIdToEditionNumber[_tokenId];
    return priceInWeiEdition(_editionNumber);
  }

  //////////////////////////
  // Edition config query //
  //////////////////////////

  function editionData(uint256 _editionNumber) public view returns (bytes32) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];
    return _editionDetails.editionData;
  }

  function editionType(uint256 _editionNumber) public view returns (uint256) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];
    return _editionDetails.editionType;
  }

  function purchaseDatesEdition(uint256 _editionNumber) public view returns (uint256 _startDate, uint256 _endDate) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];
    return (
    _editionDetails.startDate,
    _editionDetails.endDate
    );
  }

  function artistCommission(uint256 _editionNumber) public view returns (address _artistAccount, uint256 _artistCommission) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];
    return (
    _editionDetails.artistAccount,
    _editionDetails.artistCommission
    );
  }

  function priceInWeiEdition(uint256 _editionNumber) public view returns (uint256 _priceInWei) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];
    return _editionDetails.priceInWei;
  }

  function tokenURIEdition(uint256 _editionNumber) public view returns (string) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];
    return Strings.strConcat(tokenBaseURI, _editionDetails.tokenURI);
  }

  function editionActive(uint256 _editionNumber) public view returns (bool) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];
    return _editionDetails.active;
  }

  function totalRemaining(uint256 _editionNumber) public view returns (uint256) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];
    return _editionDetails.totalAvailable.sub(_editionDetails.totalSupply);
  }

  function totalAvailableEdition(uint256 _editionNumber) public view returns (uint256) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];
    return _editionDetails.totalAvailable;
  }

  function totalSupplyEdition(uint256 _editionNumber) public view returns (uint256) {
    EditionDetails storage _editionDetails = editionNumberToEditionDetails[_editionNumber];
    return _editionDetails.totalSupply;
  }

}

Contract ABI

[{"constant":true,"inputs":[{"name":"_interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_active","type":"bool"}],"name":"updateActive","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_tokenId","type":"uint256"}],"name":"approve","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"priceInWeiToken","outputs":[{"name":"_priceInWei","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_tokenId","type":"uint256"},{"name":"_uri","type":"string"}],"name":"setTokenURI","outputs":[],"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":"_koCommissionAccount","type":"address"}],"name":"updateKoCommissionAccount","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"InterfaceId_ERC165","outputs":[{"name":"","type":"bytes4"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_editionNumber","type":"uint256"}],"name":"editionData","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newBaseURI","type":"string"}],"name":"updateTokenBaseURI","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_operator","type":"address"},{"name":"_role","type":"uint8"}],"name":"checkRole","outputs":[],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalPurchaseValueInWei","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_startDate","type":"uint256"}],"name":"updateStartDate","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_editionNumber","type":"uint256"}],"name":"artistCommission","outputs":[{"name":"_artistAccount","type":"address"},{"name":"_artistCommission","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_editionNumber","type":"uint256"}],"name":"tokenURIEdition","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"unpause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_editionNumber","type":"uint256"}],"name":"mint","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"burn","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalNumberAvailable","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_operator","type":"address"},{"name":"_role","type":"uint8"}],"name":"addAddressToAccessControl","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_editionNumber","type":"uint256"}],"name":"priceInWeiEdition","outputs":[{"name":"_priceInWei","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"tokenBaseURI","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"exists","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_rate","type":"uint256"}],"name":"updateArtistCommission","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_editionNumber","type":"uint256"}],"name":"editionType","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"tokensOf","outputs":[{"name":"_tokenIds","type":"uint256[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"paused","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_editionNumber","type":"uint256"}],"name":"purchaseDatesEdition","outputs":[{"name":"_startDate","type":"uint256"},{"name":"_endDate","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_artistsAccount","type":"address"}],"name":"artistsEditions","outputs":[{"name":"_editionNumbers","type":"uint256[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_editionNumber","type":"uint256"}],"name":"totalAvailableEdition","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"koCommissionAccount","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","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":"renounceOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"editionNumber","type":"uint256"}],"name":"detailsOfEdition","outputs":[{"name":"_editionData","type":"bytes32"},{"name":"_editionType","type":"uint256"},{"name":"_startDate","type":"uint256"},{"name":"_endDate","type":"uint256"},{"name":"_artistAccount","type":"address"},{"name":"_artistCommission","type":"uint256"},{"name":"_priceInWei","type":"uint256"},{"name":"_tokenURI","type":"string"},{"name":"_totalSupply","type":"uint256"},{"name":"_totalAvailable","type":"uint256"},{"name":"_active","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_uri","type":"string"}],"name":"updateEditionTokenURI","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_editionNumber","type":"uint256"}],"name":"tokensOfEdition","outputs":[{"name":"_tokenIds","type":"uint256[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_editionNumber","type":"uint256"}],"name":"underMint","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_priceInWei","type":"uint256"}],"name":"updatePriceInWei","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"editionOfTokenId","outputs":[{"name":"_editionNumber","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"pause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_editionNumber","type":"uint256"}],"name":"purchaseTo","outputs":[{"name":"","type":"uint256"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_editionData","type":"bytes32"},{"name":"_editionType","type":"uint256"},{"name":"_startDate","type":"uint256"},{"name":"_endDate","type":"uint256"},{"name":"_artistAccount","type":"address"},{"name":"_artistCommission","type":"uint256"},{"name":"_priceInWei","type":"uint256"},{"name":"_tokenURI","type":"string"},{"name":"_totalAvailable","type":"uint256"}],"name":"createActiveEdition","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"ROLE_MINTER","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_operator","type":"address"},{"name":"_role","type":"uint8"}],"name":"hasRole","outputs":[{"name":"","type":"bool"}],"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":"_operator","type":"address"},{"name":"_role","type":"uint8"}],"name":"removeAddressFromAccessControl","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_rate","type":"uint256"},{"name":"_recipient","type":"address"}],"name":"updateOptionalCommission","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"ROLE_UNDER_MINTER","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_editionData","type":"bytes32"},{"name":"_editionType","type":"uint256"},{"name":"_startDate","type":"uint256"},{"name":"_endDate","type":"uint256"},{"name":"_artistAccount","type":"address"},{"name":"_artistCommission","type":"uint256"},{"name":"_priceInWei","type":"uint256"},{"name":"_tokenURI","type":"string"},{"name":"_totalSupply","type":"uint256"},{"name":"_totalAvailable","type":"uint256"}],"name":"createInactivePreMintedEdition","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"reclaimEther","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"highestEditionNumber","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_tokenIds","type":"uint256[]"}],"name":"batchTransfer","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_editionData","type":"bytes32"},{"name":"_editionType","type":"uint256"},{"name":"_startDate","type":"uint256"},{"name":"_endDate","type":"uint256"},{"name":"_artistAccount","type":"address"},{"name":"_artistCommission","type":"uint256"},{"name":"_priceInWei","type":"uint256"},{"name":"_tokenURI","type":"string"},{"name":"_totalSupply","type":"uint256"},{"name":"_totalAvailable","type":"uint256"}],"name":"createActivePreMintedEdition","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_artistAccount","type":"address"}],"name":"updateArtistsAccount","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"tokenData","outputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_editionType","type":"uint256"},{"name":"_editionData","type":"bytes32"},{"name":"_tokenURI","type":"string"},{"name":"_owner","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_editionNumber","type":"uint256"}],"name":"totalSupplyEdition","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_tokenId","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"purchaseDatesToken","outputs":[{"name":"_startDate","type":"uint256"},{"name":"_endDate","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_editionNumber","type":"uint256"}],"name":"editionActive","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_editionNumber","type":"uint256"}],"name":"totalRemaining","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_totalAvailable","type":"uint256"}],"name":"updateTotalAvailable","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"ROLE_KNOWN_ORIGIN","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_editionNumber","type":"uint256"}],"name":"editionExists","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_editionType","type":"uint256"}],"name":"updateEditionType","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_editionNumber","type":"uint256"}],"name":"editionOptionalCommission","outputs":[{"name":"_rate","type":"uint256"},{"name":"_recipient","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_endDate","type":"uint256"}],"name":"updateEndDate","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_editionData","type":"bytes32"},{"name":"_editionType","type":"uint256"},{"name":"_startDate","type":"uint256"},{"name":"_endDate","type":"uint256"},{"name":"_artistAccount","type":"address"},{"name":"_artistCommission","type":"uint256"},{"name":"_priceInWei","type":"uint256"},{"name":"_tokenURI","type":"string"},{"name":"_totalAvailable","type":"uint256"}],"name":"createInactiveEdition","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_type","type":"uint256"}],"name":"editionsOfType","outputs":[{"name":"_editionNumbers","type":"uint256[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"}],"name":"purchase","outputs":[{"name":"","type":"uint256"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"totalNumberMinted","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_tokenIds","type":"uint256[]"}],"name":"batchTransferFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_editionNumber","type":"uint256"},{"name":"_totalSupply","type":"uint256"}],"name":"updateTotalSupply","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"tokenURISafe","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":true,"stateMutability":"payable","type":"constructor"},{"payable":false,"stateMutability":"nonpayable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_tokenId","type":"uint256"},{"indexed":true,"name":"_editionNumber","type":"uint256"},{"indexed":true,"name":"_buyer","type":"address"},{"indexed":false,"name":"_priceInWei","type":"uint256"}],"name":"Purchase","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_tokenId","type":"uint256"},{"indexed":true,"name":"_editionNumber","type":"uint256"},{"indexed":true,"name":"_buyer","type":"address"}],"name":"Minted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_editionNumber","type":"uint256"},{"indexed":true,"name":"_editionData","type":"bytes32"},{"indexed":true,"name":"_editionType","type":"uint256"}],"name":"EditionCreated","type":"event"},{"anonymous":false,"inputs":[],"name":"Pause","type":"event"},{"anonymous":false,"inputs":[],"name":"Unpause","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"}],"name":"OwnershipRenounced","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"operator","type":"address"},{"indexed":false,"name":"role","type":"uint8"}],"name":"RoleAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"operator","type":"address"},{"indexed":false,"name":"role","type":"uint8"}],"name":"RoleRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":true,"name":"_tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_approved","type":"address"},{"indexed":true,"name":"_tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_operator","type":"address"},{"indexed":false,"name":"_approved","type":"bool"}],"name":"ApprovalForAll","type":"event"}]

Contract Creation Code

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

Swarm Source

bzzr://272427b61dd8fbf37f4f51431678493be80b8429c37345467ac5e840d1dceca5
Block Age Transaction Difficulty GasUsed Reward
Block Age Uncle Number Difficulty GasUsed Reward
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.