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/**
 *Submitted for verification at Etherscan.io on 2019-02-14
*/

pragma solidity 0.5.3;

// File: /private/var/folders/2q/x2n3s2rx0d16552ynj1lx90r0000gn/T/tmp.ODkPvI0P/gluon-plasma/packages/on-chain/contracts/Stoppable.sol

/* using a master switch, allowing to permanently turn-off functionality */
contract Stoppable {

  /************************************ abstract **********************************/
  modifier onlyOwner { _; }
  /********************************************************************************/

  bool public isOn = true;

  modifier whenOn() { require(isOn, "must be on"); _; }
  modifier whenOff() { require(!isOn, "must be off"); _; }

  function switchOff() external onlyOwner {
    if (isOn) {
      isOn = false;
      emit Off();
    }
  }
  event Off();
}

// File: /private/var/folders/2q/x2n3s2rx0d16552ynj1lx90r0000gn/T/tmp.ODkPvI0P/gluon-plasma/packages/on-chain/contracts/Switchable.sol

/* using a master switch, allowing to switch functionality on/off */
contract Switchable is Stoppable {

  function switchOn() external onlyOwner {
    if (!isOn) {
      isOn = true;
      emit On();
    }
  }
  event On();
}

// File: /private/var/folders/2q/x2n3s2rx0d16552ynj1lx90r0000gn/T/tmp.ODkPvI0P/gluon-plasma/packages/on-chain/contracts/Validating.sol

contract Validating {

  modifier notZero(uint number) { require(number != 0, "invalid 0 value"); _; }
  modifier notEmpty(string memory text) { require(bytes(text).length != 0, "invalid empty string"); _; }
  modifier validAddress(address value) { require(value != address(0x0), "invalid address");  _; }

}

// File: /private/var/folders/2q/x2n3s2rx0d16552ynj1lx90r0000gn/T/tmp.ODkPvI0P/gluon-plasma/packages/on-chain/contracts/HasOwners.sol

contract HasOwners is Validating {

  mapping(address => bool) public isOwner;
  address[] private owners;

  constructor(address[] memory _owners) public {
    for (uint i = 0; i < _owners.length; i++) _addOwner_(_owners[i]);
    owners = _owners;
  }

  modifier onlyOwner { require(isOwner[msg.sender], "invalid sender; must be owner"); _; }

  function getOwners() public view returns (address[] memory) { return owners; }

  function addOwner(address owner) external onlyOwner {  _addOwner_(owner); }

  function _addOwner_(address owner) private validAddress(owner) {
    if (!isOwner[owner]) {
      isOwner[owner] = true;
      owners.push(owner);
      emit OwnerAdded(owner);
    }
  }
  event OwnerAdded(address indexed owner);

  function removeOwner(address owner) external onlyOwner {
    if (isOwner[owner]) {
      require(owners.length > 1, "removing the last owner is not allowed");
      isOwner[owner] = false;
      for (uint i = 0; i < owners.length - 1; i++) {
        if (owners[i] == owner) {
          owners[i] = owners[owners.length - 1]; // replace map last entry
          delete owners[owners.length - 1];
          break;
        }
      }
      owners.length -= 1;
      emit OwnerRemoved(owner);
    }
  }
  event OwnerRemoved(address indexed owner);
}

// File: /private/var/folders/2q/x2n3s2rx0d16552ynj1lx90r0000gn/T/tmp.ODkPvI0P/gluon-plasma/packages/on-chain/contracts/registry/Registry.sol

interface Registry {

  function contains(address apiKey) external view returns (bool);

  function register(address apiKey) external;
  function registerWithUserAgreement(address apiKey, bytes32 userAgreement) external;

  function translate(address apiKey) external view returns (address);
}

// File: contracts/registry/ApiKeyRegistry.sol

contract ApiKeyRegistry is Switchable, HasOwners, Registry {
  string public version;

  /* mapping of: address of api-key used in trading => address of account map funds used in settling */
  mapping (address => address) public accounts;
  mapping (address => bytes32) public userAgreements;

  constructor(address[] memory _owners, string memory _version) HasOwners(_owners) public {
    version = _version;
  }

  modifier isAbsent(address apiKey) { require(!contains(apiKey), "api key already in use"); _; }

  function contains(address apiKey) public view returns (bool) { return accounts[apiKey] != address(0x0); }

  function register(address apiKey) external { registerWithUserAgreement(apiKey, 0); }

  function registerWithUserAgreement(address apiKey, bytes32 userAgreement) public validAddress(apiKey) isAbsent(apiKey) whenOn {
    accounts[apiKey] = msg.sender;
    if (userAgreement != 0 && userAgreements[msg.sender] == 0) {
      userAgreements[msg.sender] = userAgreement;
    }
    emit Registered(apiKey, msg.sender, userAgreements[msg.sender]);
  }
  event Registered(address apiKey, address indexed account, bytes32 userAgreement);

  function translate(address apiKey) external view returns (address) { return accounts[apiKey]; }
}

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000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000020000000000000000000000004d2130d9d20428dc249a1e938a0bcea4b5b9ac1a000000000000000000000000ac01f01f51f0bdd012c1838bd5cef330e6c7ffca0000000000000000000000000000000000000000000000000000000000000006302e34312e300000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _owners (address[]): 0x4D2130d9D20428Dc249a1e938A0bcEA4b5B9ac1A,0xaC01F01f51F0bdd012C1838Bd5ceF330E6c7FFCa
Arg [1] : _version (string): 0.41.0

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000002
Arg [3] : 0000000000000000000000004d2130d9d20428dc249a1e938a0bcea4b5b9ac1a
Arg [4] : 000000000000000000000000ac01f01f51f0bdd012c1838bd5cef330e6c7ffca
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000006
Arg [6] : 302e34312e300000000000000000000000000000000000000000000000000000

bzzr://7fb9c70b87b2fff634cd7801a8c1923eba2301f1c4ac599ff7a7472fa267a00c