Contract

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// Contracts by dYdX Foundation. Individual files are released under different licenses.
//
// https://dydx.community
// https://github.com/dydxfoundation/governance-contracts
//
// SPDX-License-Identifier: Apache-2.0

pragma solidity 0.7.5;
pragma experimental ABIEncoderV2;

import {
  ChainlinkClient,
  Chainlink
} from '@chainlink/contracts/src/v0.7/ChainlinkClient.sol';

import { SafeERC20 } from '../../../dependencies/open-zeppelin/SafeERC20.sol';
import { IERC20 } from '../../../interfaces/IERC20.sol';
import { IMerkleDistributorV1 } from '../../../interfaces/IMerkleDistributorV1.sol';
import { IRewardsOracle } from '../../../interfaces/IRewardsOracle.sol';
import { MD1Types } from '../lib/MD1Types.sol';

/**
 * @title MD1ChainlinkAdapter
 * @author dYdX
 *
 * @notice Chainlink oracle adapter to be read by the MerkleDistributorV1 contract.
 */
contract MD1ChainlinkAdapter is
  ChainlinkClient,
  IRewardsOracle
{
  using Chainlink for Chainlink.Request;
  using SafeERC20 for IERC20;

  // ============ Events ============

  /// @notice Emitted when the oracle data is updated.
  event OracleRootUpdated(
    bytes32 merkleRoot,
    uint256 epoch,
    bytes ipfsCid
  );

  // ============ Constants ============

  /// @notice Address of the LINK token, used to pay for requests for oracle data.
  IERC20 public immutable CHAINLINK_TOKEN;

  /// @notice The address of the Merkle distributor contract, which determines rewards parameters.
  IMerkleDistributorV1 public immutable MERKLE_DISTRIBUTOR;

  /// @notice The address to which the Chainlink request is sent.
  address public immutable ORACLE_CONTRACT;

  /// @notice The address which will call writeOracleData().
  address public immutable ORACLE_EXTERNAL_ADAPTER;

  /// @notice Chainlink ID for the job.
  bytes32 public immutable JOB_ID;

  // ============ Storage ============

  /// @dev Mapping from Chainlink request ID to the address that initated the request.
  mapping(bytes32 => address) internal _OPEN_REQUESTS_;

  /// @dev The latest oracle data.
  MD1Types.MerkleRoot internal _ORACLE_ROOT_;

  // ============ Constructor ============

  constructor(
    address chainlinkToken,
    address merkleDistributor,
    address oracleContract,
    address oracleExternalAdapter,
    bytes32 jobId
  ) {
    setChainlinkToken(chainlinkToken);
    CHAINLINK_TOKEN = IERC20(chainlinkToken);
    MERKLE_DISTRIBUTOR = IMerkleDistributorV1(merkleDistributor);
    ORACLE_CONTRACT = oracleContract;
    ORACLE_EXTERNAL_ADAPTER = oracleExternalAdapter;
    JOB_ID = jobId;
  }

  // ============ External Functions ============

  /**
   * @notice Helper function which transfers the fee and makes a request in a single transaction.
   *
   * @param  fee  The LINK amount to pay for the request.
   */
  function transferAndRequestOracleData(
    uint256 fee
  )
    external
  {
    CHAINLINK_TOKEN.safeTransferFrom(msg.sender, address(this), fee);
    requestOracleData(fee);
  }

  /**
   * @notice Called by the oracle external adapter to write data in response to a request.
   *
   *  This should be called before fulfillRequest() is called.
   *
   * @param  merkleRoot  Root hash of the Merkle tree for this epoch's rewards distribution.
   * @param  epoch       The epoch number for this rewards distribution.
   * @param  ipfsCid     The IPFS CID with the full Merkle tree data.
   */
  function writeOracleData(
    bytes32 merkleRoot,
    uint256 epoch,
    bytes calldata ipfsCid
  )
    external
  {
    require(
      msg.sender == ORACLE_EXTERNAL_ADAPTER,
      'MD1ChainlinkAdapter: Sender must be the oracle external adapter'
    );

    _ORACLE_ROOT_ = MD1Types.MerkleRoot({
      merkleRoot: merkleRoot,
      epoch: epoch,
      ipfsCid: ipfsCid
    });

    emit OracleRootUpdated(merkleRoot, epoch, ipfsCid);
  }

  /**
   * @notice Callback function for the oracle to record fulfillment of a request.
   */
  function fulfillRequest(
    bytes32 requestId
  )
    external
    recordChainlinkFulfillment(requestId)
  {
    delete _OPEN_REQUESTS_[requestId];
  }

  /**
   * @notice Allow the initiator of a request to cancel that request. The request must have expired.
   *
   *  The LINK fee for the request will be refunded back to this contract.
   */
  function cancelRequest(
    bytes32 requestId,
    uint256 payment,
    bytes4 callbackFunc,
    uint256 expiration
  )
    external
  {
    require(
      msg.sender == _OPEN_REQUESTS_[requestId],
      'Request is not open or sender was not the initiator'
    );
    cancelChainlinkRequest(requestId, payment, callbackFunc, expiration);
  }

  /**
   * @notice Read the latest data written by the oracle. This will be called by MerkleDistributorV1.
   *
   * @return  merkleRoot  The Merkle root for the next Merkle distributor update.
   * @return  epoch       The epoch number corresponding to the new Merkle root.
   * @return  ipfsCid     An IPFS CID pointing to the Merkle tree data.
   */
  function read()
    external
    override
    view
    returns (bytes32 merkleRoot, uint256 epoch, bytes memory ipfsCid)
  {
    merkleRoot = _ORACLE_ROOT_.merkleRoot;
    epoch = _ORACLE_ROOT_.epoch;
    ipfsCid = _ORACLE_ROOT_.ipfsCid;
  }

  /**
   * @notice If a request with the specified ID is open, returns the address that initiated it.
   *
   * @param  requestId  The Chainlink request ID.
   *
   * @return The address that initiated request, or the zero address if the request is not open.
   */
  function getOpenRequest(
    bytes32 requestId
  )
    external
    view
    returns (address)
  {
    return _OPEN_REQUESTS_[requestId];
  }

  // ============ Public Functions ============

  /**
   * @notice Request the latest oracle data.
   *
   *  In response to this request, if sufficient fee is provided, the Chainlink node is expected to
   *  call the writeOracleData() function, followed by the fulfillRequest() function.
   *
   *  Reverts if this contract does not have LINK to pay the fee.
   *
   *  If the fee is less than the amount agreed to by the external (off-chain) oracle adapter, then
   *  the external adapter may ignore the request.
   *
   * @param  fee  The LINK amount to pay for the request.
   */
  function requestOracleData(
    uint256 fee
  )
    public
  {
    // Read parameters from the Merkle distributor contract.
    string memory ipnsName = MERKLE_DISTRIBUTOR.getIpnsName();
    (
      uint256 marketMakerRewardsAmount,
      uint256 traderRewardsAmount,
      uint256 traderScoreAlpha
    ) = MERKLE_DISTRIBUTOR.getRewardsParameters();
    (, , bytes memory activeRootIpfsCid) = MERKLE_DISTRIBUTOR.getActiveRoot();
    uint256 newEpoch = MERKLE_DISTRIBUTOR.getNextRootEpoch();

    // Build the Chainlink request.
    Chainlink.Request memory req = buildChainlinkRequest(
      JOB_ID,
      address(this),
      this.fulfillRequest.selector
    );
    req.addBytes('callbackAddress', abi.encodePacked(address(this)));
    req.add('ipnsName', ipnsName);
    req.addUint('marketMakerRewardsAmount', marketMakerRewardsAmount);
    req.addUint('traderRewardsAmount', traderRewardsAmount);
    req.addUint('traderScoreAlpha', traderScoreAlpha);
    req.addBytes('activeRootIpfsCid', activeRootIpfsCid);
    req.addUint('newEpoch', newEpoch);

    // Send the Chainlink request.
    //
    // Note: This emits ChainlinkRequested(bytes32 indexed id);
    bytes32 requestId = sendChainlinkRequestTo(ORACLE_CONTRACT, req, fee);

    // Store the address that initiated the request. This address may cancel the request.
    _OPEN_REQUESTS_[requestId] = msg.sender;
  }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.7.5;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
  /**
   * @dev Returns true if `account` is a contract.
   *
   * [IMPORTANT]
   * ====
   * It is unsafe to assume that an address for which this function returns
   * false is an externally-owned account (EOA) and not a contract.
   *
   * Among others, `isContract` will return false for the following
   * types of addresses:
   *
   *  - an externally-owned account
   *  - a contract in construction
   *  - an address where a contract will be created
   *  - an address where a contract lived, but was destroyed
   * ====
   */
  function isContract(address account) internal view returns (bool) {
    // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
    // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
    // for accounts without code, i.e. `keccak256('')`
    bytes32 codehash;
    bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
    // solhint-disable-next-line no-inline-assembly
    assembly {
      codehash := extcodehash(account)
    }
    return (codehash != accountHash && codehash != 0x0);
  }

  /**
   * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
   * `recipient`, forwarding all available gas and reverting on errors.
   *
   * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
   * of certain opcodes, possibly making contracts go over the 2300 gas limit
   * imposed by `transfer`, making them unable to receive funds via
   * `transfer`. {sendValue} removes this limitation.
   *
   * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
   *
   * IMPORTANT: because control is transferred to `recipient`, care must be
   * taken to not create reentrancy vulnerabilities. Consider using
   * {ReentrancyGuard} or the
   * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
   */
  function sendValue(address payable recipient, uint256 amount) internal {
    require(address(this).balance >= amount, 'Address: insufficient balance');

    // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
    (bool success, ) = recipient.call{value: amount}('');
    require(success, 'Address: unable to send value, recipient may have reverted');
  }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.7.5;

import { IERC20 } from '../../interfaces/IERC20.sol';
import { SafeMath } from './SafeMath.sol';
import { Address } from './Address.sol';

/**
 * @title SafeERC20
 * @dev From https://github.com/OpenZeppelin/openzeppelin-contracts
 * Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
  using SafeMath for uint256;
  using Address for address;

  function safeTransfer(
    IERC20 token,
    address to,
    uint256 value
  ) internal {
    callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
  }

  function safeTransferFrom(
    IERC20 token,
    address from,
    address to,
    uint256 value
  ) internal {
    callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
  }

  function safeApprove(
    IERC20 token,
    address spender,
    uint256 value
  ) internal {
    require(
      (value == 0) || (token.allowance(address(this), spender) == 0),
      'SafeERC20: approve from non-zero to non-zero allowance'
    );
    callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
  }

  function callOptionalReturn(IERC20 token, bytes memory data) private {
    require(address(token).isContract(), 'SafeERC20: call to non-contract');

    // solhint-disable-next-line avoid-low-level-calls
    (bool success, bytes memory returndata) = address(token).call(data);
    require(success, 'SafeERC20: low-level call failed');

    if (returndata.length > 0) {
      // Return data is optional
      // solhint-disable-next-line max-line-length
      require(abi.decode(returndata, (bool)), 'SafeERC20: ERC20 operation did not succeed');
    }
  }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.7.5;

/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
  /**
    * @dev Returns the amount of tokens in existence.
    */
  function totalSupply() external view returns (uint256);

  /**
    * @dev Returns the amount of tokens owned by `account`.
    */
  function balanceOf(address account) external view returns (uint256);

  /**
    * @dev Moves `amount` tokens from the caller's account to `recipient`.
    *
    * Returns a boolean value indicating whether the operation succeeded.
    *
    * Emits a {Transfer} event.
    */
  function transfer(address recipient, uint256 amount) external returns (bool);

  /**
    * @dev Returns the remaining number of tokens that `spender` will be
    * allowed to spend on behalf of `owner` through {transferFrom}. This is
    * zero by default.
    *
    * This value changes when {approve} or {transferFrom} are called.
    */
  function allowance(address owner, address spender) external view returns (uint256);

  /**
    * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
    *
    * Returns a boolean value indicating whether the operation succeeded.
    *
    * IMPORTANT: Beware that changing an allowance with this method brings the risk
    * that someone may use both the old and the new allowance by unfortunate
    * transaction ordering. One possible solution to mitigate this race
    * condition is to first reduce the spender's allowance to 0 and set the
    * desired value afterwards:
    * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
    *
    * Emits an {Approval} event.
    */
  function approve(address spender, uint256 amount) external returns (bool);

  /**
    * @dev Moves `amount` tokens from `sender` to `recipient` using the
    * allowance mechanism. `amount` is then deducted from the caller's
    * allowance.
    *
    * Returns a boolean value indicating whether the operation succeeded.
    *
    * Emits a {Transfer} event.
    */
  function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

  /**
    * @dev Emitted when `value` tokens are moved from one account (`from`) to
    * another (`to`).
    *
    * Note that `value` may be zero.
    */
  event Transfer(address indexed from, address indexed to, uint256 value);

  /**
    * @dev Emitted when the allowance of a `spender` for an `owner` is set by
    * a call to {approve}. `value` is the new allowance.
    */
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.7.5;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
  /**
   * @dev Returns the addition of two unsigned integers, reverting on
   * overflow.
   *
   * Counterpart to Solidity's `+` operator.
   *
   * Requirements:
   * - Addition cannot overflow.
   */
  function add(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a + b;
    require(c >= a, 'SafeMath: addition overflow');

    return c;
  }

  /**
   * @dev Returns the subtraction of two unsigned integers, reverting on
   * overflow (when the result is negative).
   *
   * Counterpart to Solidity's `-` operator.
   *
   * Requirements:
   * - Subtraction cannot overflow.
   */
  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    return sub(a, b, 'SafeMath: subtraction overflow');
  }

  /**
   * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
   * overflow (when the result is negative).
   *
   * Counterpart to Solidity's `-` operator.
   *
   * Requirements:
   * - Subtraction cannot overflow.
   */
  function sub(
    uint256 a,
    uint256 b,
    string memory errorMessage
  ) internal pure returns (uint256) {
    require(b <= a, errorMessage);
    uint256 c = a - b;

    return c;
  }

  /**
   * @dev Returns the multiplication of two unsigned integers, reverting on
   * overflow.
   *
   * Counterpart to Solidity's `*` operator.
   *
   * Requirements:
   * - Multiplication cannot overflow.
   */
  function mul(uint256 a, uint256 b) internal pure returns (uint256) {
    // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
    // benefit is lost if 'b' is also tested.
    // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
    if (a == 0) {
      return 0;
    }

    uint256 c = a * b;
    require(c / a == b, 'SafeMath: multiplication overflow');

    return c;
  }

  /**
   * @dev Returns the integer division of two unsigned integers. Reverts on
   * division by zero. The result is rounded towards zero.
   *
   * Counterpart to Solidity's `/` operator. Note: this function uses a
   * `revert` opcode (which leaves remaining gas untouched) while Solidity
   * uses an invalid opcode to revert (consuming all remaining gas).
   *
   * Requirements:
   * - The divisor cannot be zero.
   */
  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    return div(a, b, 'SafeMath: division by zero');
  }

  /**
   * @dev Returns the integer division of two unsigned integers. Reverts with custom message on
   * division by zero. The result is rounded towards zero.
   *
   * Counterpart to Solidity's `/` operator. Note: this function uses a
   * `revert` opcode (which leaves remaining gas untouched) while Solidity
   * uses an invalid opcode to revert (consuming all remaining gas).
   *
   * Requirements:
   * - The divisor cannot be zero.
   */
  function div(
    uint256 a,
    uint256 b,
    string memory errorMessage
  ) internal pure returns (uint256) {
    // Solidity only automatically asserts when dividing by 0
    require(b > 0, errorMessage);
    uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold

    return c;
  }

  /**
   * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
   * Reverts when dividing by zero.
   *
   * Counterpart to Solidity's `%` operator. This function uses a `revert`
   * opcode (which leaves remaining gas untouched) while Solidity uses an
   * invalid opcode to revert (consuming all remaining gas).
   *
   * Requirements:
   * - The divisor cannot be zero.
   */
  function mod(uint256 a, uint256 b) internal pure returns (uint256) {
    return mod(a, b, 'SafeMath: modulo by zero');
  }

  /**
   * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
   * Reverts with custom message when dividing by zero.
   *
   * Counterpart to Solidity's `%` operator. This function uses a `revert`
   * opcode (which leaves remaining gas untouched) while Solidity uses an
   * invalid opcode to revert (consuming all remaining gas).
   *
   * Requirements:
   * - The divisor cannot be zero.
   */
  function mod(
    uint256 a,
    uint256 b,
    string memory errorMessage
  ) internal pure returns (uint256) {
    require(b != 0, errorMessage);
    return a % b;
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

import "./Chainlink.sol";
import "./interfaces/ENSInterface.sol";
import "./interfaces/LinkTokenInterface.sol";
import "./interfaces/OperatorInterface.sol";
import "./interfaces/PointerInterface.sol";
import { ENSResolver as ENSResolver_Chainlink } from "./vendor/ENSResolver.sol";

/**
 * @title The ChainlinkClient contract
 * @notice Contract writers can inherit this contract in order to create requests for the
 * Chainlink network
 */
contract ChainlinkClient {
  using Chainlink for Chainlink.Request;

  uint256 constant internal LINK_DIVISIBILITY = 10**18;
  uint256 constant private AMOUNT_OVERRIDE = 0;
  address constant private SENDER_OVERRIDE = address(0);
  uint256 constant private ORACLE_ARGS_VERSION = 1;
  uint256 constant private OPERATOR_ARGS_VERSION = 2;
  bytes32 constant private ENS_TOKEN_SUBNAME = keccak256("link");
  bytes32 constant private ENS_ORACLE_SUBNAME = keccak256("oracle");
  address constant private LINK_TOKEN_POINTER = 0xC89bD4E1632D3A43CB03AAAd5262cbe4038Bc571;

  ENSInterface private ens;
  bytes32 private ensNode;
  LinkTokenInterface private link;
  OperatorInterface private oracle;
  uint256 private requestCount = 1;
  mapping(bytes32 => address) private pendingRequests;

  event ChainlinkRequested(
    bytes32 indexed id
  );
  event ChainlinkFulfilled(
    bytes32 indexed id
  );
  event ChainlinkCancelled(
    bytes32 indexed id
  );

  /**
   * @notice Creates a request that can hold additional parameters
   * @param specId The Job Specification ID that the request will be created for
   * @param callbackAddress The callback address that the response will be sent to
   * @param callbackFunctionSignature The callback function signature to use for the callback address
   * @return A Chainlink Request struct in memory
   */
  function buildChainlinkRequest(
    bytes32 specId,
    address callbackAddress,
    bytes4 callbackFunctionSignature
  )
    internal
    pure
    returns (
      Chainlink.Request memory
    )
  {
    Chainlink.Request memory req;
    return req.initialize(specId, callbackAddress, callbackFunctionSignature);
  }

  /**
   * @notice Creates a Chainlink request to the stored oracle address
   * @dev Calls `chainlinkRequestTo` with the stored oracle address
   * @param req The initialized Chainlink Request
   * @param payment The amount of LINK to send for the request
   * @return requestId The request ID
   */
  function sendChainlinkRequest(
    Chainlink.Request memory req,
    uint256 payment
  )
    internal
    returns (
      bytes32
    )
  {
    return sendChainlinkRequestTo(address(oracle), req, payment);
  }

  /**
   * @notice Creates a Chainlink request to the specified oracle address
   * @dev Generates and stores a request ID, increments the local nonce, and uses `transferAndCall` to
   * send LINK which creates a request on the target oracle contract.
   * Emits ChainlinkRequested event.
   * @param oracleAddress The address of the oracle for the request
   * @param req The initialized Chainlink Request
   * @param payment The amount of LINK to send for the request
   * @return requestId The request ID
   */
  function sendChainlinkRequestTo(
    address oracleAddress,
    Chainlink.Request memory req,
    uint256 payment
  )
    internal
    returns (
      bytes32 requestId
    )
  {
    return rawRequest(oracleAddress, req, payment, ORACLE_ARGS_VERSION, oracle.oracleRequest.selector);
  }

  /**
   * @notice Creates a Chainlink request to the stored oracle address
   * @dev This function supports multi-word response
   * @dev Calls `requestOracleDataFrom` with the stored oracle address
   * @param req The initialized Chainlink Request
   * @param payment The amount of LINK to send for the request
   * @return requestId The request ID
   */
  function requestOracleData(
    Chainlink.Request memory req,
    uint256 payment
  )
    internal
    returns (
      bytes32
    )
  {
    return requestOracleDataFrom(address(oracle), req, payment);
  }

  /**
   * @notice Creates a Chainlink request to the specified oracle address
   * @dev This function supports multi-word response
   * @dev Generates and stores a request ID, increments the local nonce, and uses `transferAndCall` to
   * send LINK which creates a request on the target oracle contract.
   * Emits ChainlinkRequested event.
   * @param oracleAddress The address of the oracle for the request
   * @param req The initialized Chainlink Request
   * @param payment The amount of LINK to send for the request
   * @return requestId The request ID
   */
  function requestOracleDataFrom(
    address oracleAddress,
    Chainlink.Request memory req,
    uint256 payment
  )
    internal
    returns (
      bytes32 requestId
    )
  {
    return rawRequest(oracleAddress, req, payment, OPERATOR_ARGS_VERSION, oracle.requestOracleData.selector);
  }

  /**
   * @notice Make a request to an oracle
   * @param oracleAddress The address of the oracle for the request
   * @param req The initialized Chainlink Request
   * @param payment The amount of LINK to send for the request
   * @param argsVersion The version of data support (single word, multi word)
   * @return requestId The request ID
   */
  function rawRequest(
    address oracleAddress,
    Chainlink.Request memory req,
    uint256 payment,
    uint256 argsVersion,
    bytes4 funcSelector
  )
    private
    returns (
      bytes32 requestId
    )
  {
    requestId = keccak256(abi.encodePacked(this, requestCount));
    req.nonce = requestCount;
    pendingRequests[requestId] = oracleAddress;
    emit ChainlinkRequested(requestId);
    bytes memory encodedData = abi.encodeWithSelector(
      funcSelector,
      SENDER_OVERRIDE, // Sender value - overridden by onTokenTransfer by the requesting contract's address
      AMOUNT_OVERRIDE, // Amount value - overridden by onTokenTransfer by the actual amount of LINK sent
      req.id,
      req.callbackAddress,
      req.callbackFunctionId,
      req.nonce,
      argsVersion,
      req.buf.buf);
    require(link.transferAndCall(oracleAddress, payment, encodedData), "unable to transferAndCall to oracle");
    requestCount += 1;
  }

  /**
   * @notice Allows a request to be cancelled if it has not been fulfilled
   * @dev Requires keeping track of the expiration value emitted from the oracle contract.
   * Deletes the request from the `pendingRequests` mapping.
   * Emits ChainlinkCancelled event.
   * @param requestId The request ID
   * @param payment The amount of LINK sent for the request
   * @param callbackFunc The callback function specified for the request
   * @param expiration The time of the expiration for the request
   */
  function cancelChainlinkRequest(
    bytes32 requestId,
    uint256 payment,
    bytes4 callbackFunc,
    uint256 expiration
  )
    internal
  {
    OperatorInterface requested = OperatorInterface(pendingRequests[requestId]);
    delete pendingRequests[requestId];
    emit ChainlinkCancelled(requestId);
    requested.cancelOracleRequest(requestId, payment, callbackFunc, expiration);
  }

  /**
   * @notice Sets the stored oracle address
   * @param oracleAddress The address of the oracle contract
   */
  function setChainlinkOracle(
    address oracleAddress
  )
    internal
  {
    oracle = OperatorInterface(oracleAddress);
  }

  /**
   * @notice Sets the LINK token address
   * @param linkAddress The address of the LINK token contract
   */
  function setChainlinkToken(
    address linkAddress
  )
    internal
  {
    link = LinkTokenInterface(linkAddress);
  }

  /**
   * @notice Sets the Chainlink token address for the public
   * network as given by the Pointer contract
   */
  function setPublicChainlinkToken() 
    internal
  {
    setChainlinkToken(PointerInterface(LINK_TOKEN_POINTER).getAddress());
  }

  /**
   * @notice Retrieves the stored address of the LINK token
   * @return The address of the LINK token
   */
  function chainlinkTokenAddress()
    internal
    view
    returns (
      address
    )
  {
    return address(link);
  }

  /**
   * @notice Retrieves the stored address of the oracle contract
   * @return The address of the oracle contract
   */
  function chainlinkOracleAddress()
    internal
    view
    returns (
      address
    )
  {
    return address(oracle);
  }

  /**
   * @notice Allows for a request which was created on another contract to be fulfilled
   * on this contract
   * @param oracleAddress The address of the oracle contract that will fulfill the request
   * @param requestId The request ID used for the response
   */
  function addChainlinkExternalRequest(
    address oracleAddress,
    bytes32 requestId
  )
    internal
    notPendingRequest(requestId)
  {
    pendingRequests[requestId] = oracleAddress;
  }

  /**
   * @notice Sets the stored oracle and LINK token contracts with the addresses resolved by ENS
   * @dev Accounts for subnodes having different resolvers
   * @param ensAddress The address of the ENS contract
   * @param node The ENS node hash
   */
  function useChainlinkWithENS(
    address ensAddress,
    bytes32 node
  )
    internal
  {
    ens = ENSInterface(ensAddress);
    ensNode = node;
    bytes32 linkSubnode = keccak256(abi.encodePacked(ensNode, ENS_TOKEN_SUBNAME));
    ENSResolver_Chainlink resolver = ENSResolver_Chainlink(ens.resolver(linkSubnode));
    setChainlinkToken(resolver.addr(linkSubnode));
    updateChainlinkOracleWithENS();
  }

  /**
   * @notice Sets the stored oracle contract with the address resolved by ENS
   * @dev This may be called on its own as long as `useChainlinkWithENS` has been called previously
   */
  function updateChainlinkOracleWithENS()
    internal
  {
    bytes32 oracleSubnode = keccak256(abi.encodePacked(ensNode, ENS_ORACLE_SUBNAME));
    ENSResolver_Chainlink resolver = ENSResolver_Chainlink(ens.resolver(oracleSubnode));
    setChainlinkOracle(resolver.addr(oracleSubnode));
  }

  /**
   * @notice Ensures that the fulfillment is valid for this contract
   * @dev Use if the contract developer prefers methods instead of modifiers for validation
   * @param requestId The request ID for fulfillment
   */
  function validateChainlinkCallback(
    bytes32 requestId
  )
    internal
    recordChainlinkFulfillment(requestId)
    // solhint-disable-next-line no-empty-blocks
  {}

  /**
   * @dev Reverts if the sender is not the oracle of the request.
   * Emits ChainlinkFulfilled event.
   * @param requestId The request ID for fulfillment
   */
  modifier recordChainlinkFulfillment(
    bytes32 requestId
  )
  {
    require(msg.sender == pendingRequests[requestId],
            "Source must be the oracle of the request");
    delete pendingRequests[requestId];
    emit ChainlinkFulfilled(requestId);
    _;
  }

  /**
   * @dev Reverts if the request is already pending
   * @param requestId The request ID for fulfillment
   */
  modifier notPendingRequest(
    bytes32 requestId
  )
  {
    require(pendingRequests[requestId] == address(0), "Request is already pending");
    _;
  }
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity 0.7.5;
pragma abicoder v2;

/**
 * @title IMerkleDistributorV1
 * @author dYdX
 *
 * @notice Partial interface for the MerkleDistributorV1 contract.
 */
interface IMerkleDistributorV1 {

  function getIpnsName()
    external
    virtual
    view
    returns (string memory);

  function getRewardsParameters()
    external
    virtual
    view
    returns (uint256, uint256, uint256);

  function getActiveRoot()
    external
    virtual
    view
    returns (bytes32 merkleRoot, uint256 epoch, bytes memory ipfsCid);

  function getNextRootEpoch()
    external
    virtual
    view
    returns (uint256);

  function claimRewards(
    uint256 cumulativeAmount,
    bytes32[] calldata merkleProof
  )
    external
    returns (uint256);
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity 0.7.5;
pragma abicoder v2;

interface IRewardsOracle {

  /**
   * @notice Returns the oracle value, agreed upon by all oracle signers. If the signers have not
   *  agreed upon a value, should return zero for all return values.
   *
   * @return  merkleRoot  The Merkle root for the next Merkle distributor update.
   * @return  epoch       The epoch number corresponding to the new Merkle root.
   * @return  ipfsCid     An IPFS CID pointing to the Merkle tree data.
   */
  function read()
    external
    virtual
    view
    returns (bytes32 merkleRoot, uint256 epoch, bytes memory ipfsCid);
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity 0.7.5;
pragma experimental ABIEncoderV2;

library MD1Types {

  /**
   * @dev The parameters used to convert a timestamp to an epoch number.
   */
  struct EpochParameters {
    uint128 interval;
    uint128 offset;
  }

  /**
   * @dev The parameters related to a certain version of the Merkle root.
   */
  struct MerkleRoot {
    bytes32 merkleRoot;
    uint256 epoch;
    bytes ipfsCid;
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

import { CBORChainlink } from "./vendor/CBORChainlink.sol";
import { BufferChainlink } from "./vendor/BufferChainlink.sol";

/**
 * @title Library for common Chainlink functions
 * @dev Uses imported CBOR library for encoding to buffer
 */
library Chainlink {
  uint256 internal constant defaultBufferSize = 256; // solhint-disable-line const-name-snakecase

  using CBORChainlink for BufferChainlink.buffer;

  struct Request {
    bytes32 id;
    address callbackAddress;
    bytes4 callbackFunctionId;
    uint256 nonce;
    BufferChainlink.buffer buf;
  }

  /**
   * @notice Initializes a Chainlink request
   * @dev Sets the ID, callback address, and callback function signature on the request
   * @param self The uninitialized request
   * @param jobId The Job Specification ID
   * @param callbackAddr The callback address
   * @param callbackFunc The callback function signature
   * @return The initialized request
   */
  function initialize(
    Request memory self,
    bytes32 jobId,
    address callbackAddr,
    bytes4 callbackFunc
  )
    internal
    pure
    returns (
      Chainlink.Request memory
    )
  {
    BufferChainlink.init(self.buf, defaultBufferSize);
    self.id = jobId;
    self.callbackAddress = callbackAddr;
    self.callbackFunctionId = callbackFunc;
    return self;
  }

  /**
   * @notice Sets the data for the buffer without encoding CBOR on-chain
   * @dev CBOR can be closed with curly-brackets {} or they can be left off
   * @param self The initialized request
   * @param data The CBOR data
   */
  function setBuffer(
    Request memory self,
    bytes memory data
  )
    internal
    pure
  {
    BufferChainlink.init(self.buf, data.length);
    BufferChainlink.append(self.buf, data);
  }

  /**
   * @notice Adds a string value to the request with a given key name
   * @param self The initialized request
   * @param key The name of the key
   * @param value The string value to add
   */
  function add(
    Request memory self,
    string memory key,
    string memory value
  )
    internal
    pure
  {
    self.buf.encodeString(key);
    self.buf.encodeString(value);
  }

  /**
   * @notice Adds a bytes value to the request with a given key name
   * @param self The initialized request
   * @param key The name of the key
   * @param value The bytes value to add
   */
  function addBytes(
    Request memory self,
    string memory key,
    bytes memory value
  )
    internal
    pure
  {
    self.buf.encodeString(key);
    self.buf.encodeBytes(value);
  }

  /**
   * @notice Adds a int256 value to the request with a given key name
   * @param self The initialized request
   * @param key The name of the key
   * @param value The int256 value to add
   */
  function addInt(
    Request memory self,
    string memory key,
    int256 value
  )
    internal
    pure
  {
    self.buf.encodeString(key);
    self.buf.encodeInt(value);
  }

  /**
   * @notice Adds a uint256 value to the request with a given key name
   * @param self The initialized request
   * @param key The name of the key
   * @param value The uint256 value to add
   */
  function addUint(
    Request memory self,
    string memory key,
    uint256 value
  )
    internal
    pure
  {
    self.buf.encodeString(key);
    self.buf.encodeUInt(value);
  }

  /**
   * @notice Adds an array of strings to the request with a given key name
   * @param self The initialized request
   * @param key The name of the key
   * @param values The array of string values to add
   */
  function addStringArray(
    Request memory self,
    string memory key,
    string[] memory values
  )
    internal
    pure
  {
    self.buf.encodeString(key);
    self.buf.startArray();
    for (uint256 i = 0; i < values.length; i++) {
      self.buf.encodeString(values[i]);
    }
    self.buf.endSequence();
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

interface ENSInterface {

  // Logged when the owner of a node assigns a new owner to a subnode.
  event NewOwner(
    bytes32 indexed node,
    bytes32 indexed label,
    address owner
  );

  // Logged when the owner of a node transfers ownership to a new account.
  event Transfer(
    bytes32 indexed node,
    address owner
  );

  // Logged when the resolver for a node changes.
  event NewResolver(
    bytes32 indexed node,
    address resolver
  );

  // Logged when the TTL of a node changes
  event NewTTL(
    bytes32 indexed node,
    uint64 ttl
  );


  function setSubnodeOwner(
    bytes32 node,
    bytes32 label,
    address owner
  ) external;

  function setResolver(
    bytes32 node,
    address resolver
  ) external;

  function setOwner(
    bytes32 node,
    address owner
  ) external;

  function setTTL(
    bytes32 node,
    uint64 ttl
  ) external;

  function owner(
    bytes32 node
  )
    external
    view
    returns (
      address
    );

  function resolver(
    bytes32 node
  )
    external
    view
    returns (
      address
    );

  function ttl(
    bytes32 node
  )
    external
    view
    returns (
      uint64
    );

}

// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

interface LinkTokenInterface {

  function allowance(
    address owner,
    address spender
  )
    external
    view
    returns (
      uint256 remaining
    );

  function approve(
    address spender,
    uint256 value
  )
    external
    returns (
      bool success
    );

  function balanceOf(
    address owner
  )
    external
    view
    returns (
      uint256 balance
    );

  function decimals()
    external
    view
    returns (
      uint8 decimalPlaces
    );

  function decreaseApproval(
    address spender,
    uint256 addedValue
  )
    external
    returns (
      bool success
    );

  function increaseApproval(
    address spender,
    uint256 subtractedValue
  ) external;

  function name()
    external
    view
    returns (
      string memory tokenName
    );

  function symbol()
    external
    view
    returns (
      string memory tokenSymbol
    );

  function totalSupply()
    external
    view
    returns (
      uint256 totalTokensIssued
    );

  function transfer(
    address to,
    uint256 value
  )
    external
    returns (
      bool success
    );

  function transferAndCall(
    address to,
    uint256 value,
    bytes calldata data
  )
    external
    returns (
      bool success
    );

  function transferFrom(
    address from,
    address to,
    uint256 value
  )
    external
    returns (
      bool success
    );

}

// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

import "./ChainlinkRequestInterface.sol";
import "./OracleInterface.sol";

interface OperatorInterface is
  ChainlinkRequestInterface,
  OracleInterface
{

  function requestOracleData(
    address sender,
    uint256 payment,
    bytes32 specId,
    address callbackAddress,
    bytes4 callbackFunctionId,
    uint256 nonce,
    uint256 dataVersion,
    bytes calldata data
  )
    external;

  function fulfillOracleRequest2(
    bytes32 requestId,
    uint256 payment,
    address callbackAddress,
    bytes4 callbackFunctionId,
    uint256 expiration,
    bytes calldata data
  )
    external
    returns (
      bool
    );

  function ownerTransferAndCall(
    address to,
    uint256 value,
    bytes calldata data
  )
    external
    returns (
      bool success
    );

}

// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

interface PointerInterface {
  
  function getAddress()
    external
    view
    returns (
      address
    );
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

abstract contract ENSResolver {
  function addr(
    bytes32 node
  )
    public
    view
    virtual
    returns (
      address
    );
}

// SPDX-License-Identifier: MIT
pragma solidity >= 0.4.19;

import { BufferChainlink } from "./BufferChainlink.sol";

library CBORChainlink {
  using BufferChainlink for BufferChainlink.buffer;

  uint8 private constant MAJOR_TYPE_INT = 0;
  uint8 private constant MAJOR_TYPE_NEGATIVE_INT = 1;
  uint8 private constant MAJOR_TYPE_BYTES = 2;
  uint8 private constant MAJOR_TYPE_STRING = 3;
  uint8 private constant MAJOR_TYPE_ARRAY = 4;
  uint8 private constant MAJOR_TYPE_MAP = 5;
  uint8 private constant MAJOR_TYPE_TAG = 6;
  uint8 private constant MAJOR_TYPE_CONTENT_FREE = 7;

  uint8 private constant TAG_TYPE_BIGNUM = 2;
  uint8 private constant TAG_TYPE_NEGATIVE_BIGNUM = 3;

  function encodeType(
    BufferChainlink.buffer memory buf,
    uint8 major,
    uint value
  )
    private
    pure
  {
    if(value <= 23) {
      buf.appendUint8(uint8((major << 5) | value));
    } else if(value <= 0xFF) {
      buf.appendUint8(uint8((major << 5) | 24));
      buf.appendInt(value, 1);
    } else if(value <= 0xFFFF) {
      buf.appendUint8(uint8((major << 5) | 25));
      buf.appendInt(value, 2);
    } else if(value <= 0xFFFFFFFF) {
      buf.appendUint8(uint8((major << 5) | 26));
      buf.appendInt(value, 4);
    } else if(value <= 0xFFFFFFFFFFFFFFFF) {
      buf.appendUint8(uint8((major << 5) | 27));
      buf.appendInt(value, 8);
    }
  }

  function encodeIndefiniteLengthType(
    BufferChainlink.buffer memory buf,
    uint8 major
  )
    private
    pure
  {
    buf.appendUint8(uint8((major << 5) | 31));
  }

  function encodeUInt(
    BufferChainlink.buffer memory buf,
    uint value
  )
    internal
    pure
  {
    encodeType(buf, MAJOR_TYPE_INT, value);
  }

  function encodeInt(
    BufferChainlink.buffer memory buf,
    int value
  )
    internal
    pure
  {
    if(value < -0x10000000000000000) {
      encodeSignedBigNum(buf, value);
    } else if(value > 0xFFFFFFFFFFFFFFFF) {
      encodeBigNum(buf, value);
    } else if(value >= 0) {
      encodeType(buf, MAJOR_TYPE_INT, uint(value));
    } else {
      encodeType(buf, MAJOR_TYPE_NEGATIVE_INT, uint(-1 - value));
    }
  }

  function encodeBytes(
    BufferChainlink.buffer memory buf,
    bytes memory value
  )
    internal
    pure
  {
    encodeType(buf, MAJOR_TYPE_BYTES, value.length);
    buf.append(value);
  }

  function encodeBigNum(
    BufferChainlink.buffer memory buf,
    int value
  )
    internal
    pure
  {
    buf.appendUint8(uint8((MAJOR_TYPE_TAG << 5) | TAG_TYPE_BIGNUM));
    encodeBytes(buf, abi.encode(uint(value)));
  }

  function encodeSignedBigNum(
    BufferChainlink.buffer memory buf,
    int input
  )
    internal
    pure
  {
    buf.appendUint8(uint8((MAJOR_TYPE_TAG << 5) | TAG_TYPE_NEGATIVE_BIGNUM));
    encodeBytes(buf, abi.encode(uint(-1 - input)));
  }

  function encodeString(
    BufferChainlink.buffer memory buf,
    string memory value
  )
    internal
    pure
  {
    encodeType(buf, MAJOR_TYPE_STRING, bytes(value).length);
    buf.append(bytes(value));
  }

  function startArray(
    BufferChainlink.buffer memory buf
  )
    internal
    pure
  {
    encodeIndefiniteLengthType(buf, MAJOR_TYPE_ARRAY);
  }

  function startMap(
    BufferChainlink.buffer memory buf
  )
    internal
    pure
  {
    encodeIndefiniteLengthType(buf, MAJOR_TYPE_MAP);
  }

  function endSequence(
    BufferChainlink.buffer memory buf
  )
    internal
    pure
  {
    encodeIndefiniteLengthType(buf, MAJOR_TYPE_CONTENT_FREE);
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

/**
* @dev A library for working with mutable byte buffers in Solidity.
*
* Byte buffers are mutable and expandable, and provide a variety of primitives
* for writing to them. At any time you can fetch a bytes object containing the
* current contents of the buffer. The bytes object should not be stored between
* operations, as it may change due to resizing of the buffer.
*/
library BufferChainlink {
  /**
  * @dev Represents a mutable buffer. Buffers have a current value (buf) and
  *      a capacity. The capacity may be longer than the current value, in
  *      which case it can be extended without the need to allocate more memory.
  */
  struct buffer {
    bytes buf;
    uint capacity;
  }

  /**
  * @dev Initializes a buffer with an initial capacity.
  * @param buf The buffer to initialize.
  * @param capacity The number of bytes of space to allocate the buffer.
  * @return The buffer, for chaining.
  */
  function init(
    buffer memory buf,
    uint capacity
  )
    internal
    pure
    returns(
      buffer memory
    )
  {
    if (capacity % 32 != 0) {
      capacity += 32 - (capacity % 32);
    }
    // Allocate space for the buffer data
    buf.capacity = capacity;
    assembly {
      let ptr := mload(0x40)
      mstore(buf, ptr)
      mstore(ptr, 0)
      mstore(0x40, add(32, add(ptr, capacity)))
    }
    return buf;
  }

  /**
  * @dev Initializes a new buffer from an existing bytes object.
  *      Changes to the buffer may mutate the original value.
  * @param b The bytes object to initialize the buffer with.
  * @return A new buffer.
  */
  function fromBytes(
    bytes memory b
  )
    internal
    pure
    returns(
      buffer memory
    )
  {
    buffer memory buf;
    buf.buf = b;
    buf.capacity = b.length;
    return buf;
  }

  function resize(
    buffer memory buf,
    uint capacity
  )
    private
    pure
  {
    bytes memory oldbuf = buf.buf;
    init(buf, capacity);
    append(buf, oldbuf);
  }

  function max(
    uint a,
    uint b
  )
    private
    pure
    returns(
      uint
    )
  {
    if (a > b) {
      return a;
    }
    return b;
  }

  /**
  * @dev Sets buffer length to 0.
  * @param buf The buffer to truncate.
  * @return The original buffer, for chaining..
  */
  function truncate(
    buffer memory buf
  )
    internal
    pure
    returns (
      buffer memory
    )
  {
    assembly {
      let bufptr := mload(buf)
      mstore(bufptr, 0)
    }
    return buf;
  }

  /**
  * @dev Writes a byte string to a buffer. Resizes if doing so would exceed
  *      the capacity of the buffer.
  * @param buf The buffer to append to.
  * @param off The start offset to write to.
  * @param data The data to append.
  * @param len The number of bytes to copy.
  * @return The original buffer, for chaining.
  */
  function write(
    buffer memory buf,
    uint off,
    bytes memory data,
    uint len
  )
    internal
    pure
    returns(
      buffer memory
    )
  {
    require(len <= data.length);

    if (off + len > buf.capacity) {
      resize(buf, max(buf.capacity, len + off) * 2);
    }

    uint dest;
    uint src;
    assembly {
      // Memory address of the buffer data
      let bufptr := mload(buf)
      // Length of existing buffer data
      let buflen := mload(bufptr)
      // Start address = buffer address + offset + sizeof(buffer length)
      dest := add(add(bufptr, 32), off)
      // Update buffer length if we're extending it
      if gt(add(len, off), buflen) {
        mstore(bufptr, add(len, off))
      }
      src := add(data, 32)
    }

    // Copy word-length chunks while possible
    for (; len >= 32; len -= 32) {
      assembly {
        mstore(dest, mload(src))
      }
      dest += 32;
      src += 32;
    }

    // Copy remaining bytes
    uint mask = 256 ** (32 - len) - 1;
    assembly {
      let srcpart := and(mload(src), not(mask))
      let destpart := and(mload(dest), mask)
      mstore(dest, or(destpart, srcpart))
    }

    return buf;
  }

  /**
  * @dev Appends a byte string to a buffer. Resizes if doing so would exceed
  *      the capacity of the buffer.
  * @param buf The buffer to append to.
  * @param data The data to append.
  * @param len The number of bytes to copy.
  * @return The original buffer, for chaining.
  */
  function append(
    buffer memory buf,
    bytes memory data,
    uint len
  )
    internal
    pure
    returns (
      buffer memory
    )
  {
    return write(buf, buf.buf.length, data, len);
  }

  /**
  * @dev Appends a byte string to a buffer. Resizes if doing so would exceed
  *      the capacity of the buffer.
  * @param buf The buffer to append to.
  * @param data The data to append.
  * @return The original buffer, for chaining.
  */
  function append(
    buffer memory buf,
    bytes memory data
  )
    internal
    pure
    returns (
      buffer memory
    )
  {
    return write(buf, buf.buf.length, data, data.length);
  }

  /**
  * @dev Writes a byte to the buffer. Resizes if doing so would exceed the
  *      capacity of the buffer.
  * @param buf The buffer to append to.
  * @param off The offset to write the byte at.
  * @param data The data to append.
  * @return The original buffer, for chaining.
  */
  function writeUint8(
    buffer memory buf,
    uint off,
    uint8 data
  )
    internal
    pure
    returns(
      buffer memory
    )
  {
    if (off >= buf.capacity) {
      resize(buf, buf.capacity * 2);
    }

    assembly {
      // Memory address of the buffer data
      let bufptr := mload(buf)
      // Length of existing buffer data
      let buflen := mload(bufptr)
      // Address = buffer address + sizeof(buffer length) + off
      let dest := add(add(bufptr, off), 32)
      mstore8(dest, data)
      // Update buffer length if we extended it
      if eq(off, buflen) {
        mstore(bufptr, add(buflen, 1))
      }
    }
    return buf;
  }

  /**
  * @dev Appends a byte to the buffer. Resizes if doing so would exceed the
  *      capacity of the buffer.
  * @param buf The buffer to append to.
  * @param data The data to append.
  * @return The original buffer, for chaining.
  */
  function appendUint8(
    buffer memory buf,
    uint8 data
  )
    internal
    pure
    returns(
      buffer memory
    )
  {
    return writeUint8(buf, buf.buf.length, data);
  }

  /**
  * @dev Writes up to 32 bytes to the buffer. Resizes if doing so would
  *      exceed the capacity of the buffer.
  * @param buf The buffer to append to.
  * @param off The offset to write at.
  * @param data The data to append.
  * @param len The number of bytes to write (left-aligned).
  * @return The original buffer, for chaining.
  */
  function write(
    buffer memory buf,
    uint off,
    bytes32 data,
    uint len
  )
    private
    pure
    returns(
      buffer memory
    )
  {
    if (len + off > buf.capacity) {
      resize(buf, (len + off) * 2);
    }

    uint mask = 256 ** len - 1;
    // Right-align data
    data = data >> (8 * (32 - len));
    assembly {
      // Memory address of the buffer data
      let bufptr := mload(buf)
      // Address = buffer address + sizeof(buffer length) + off + len
      let dest := add(add(bufptr, off), len)
      mstore(dest, or(and(mload(dest), not(mask)), data))
      // Update buffer length if we extended it
      if gt(add(off, len), mload(bufptr)) {
        mstore(bufptr, add(off, len))
      }
    }
    return buf;
  }

  /**
  * @dev Writes a bytes20 to the buffer. Resizes if doing so would exceed the
  *      capacity of the buffer.
  * @param buf The buffer to append to.
  * @param off The offset to write at.
  * @param data The data to append.
  * @return The original buffer, for chaining.
  */
  function writeBytes20(
    buffer memory buf,
    uint off,
    bytes20 data
  )
    internal
    pure
    returns (
      buffer memory
    )
  {
    return write(buf, off, bytes32(data), 20);
  }

  /**
  * @dev Appends a bytes20 to the buffer. Resizes if doing so would exceed
  *      the capacity of the buffer.
  * @param buf The buffer to append to.
  * @param data The data to append.
  * @return The original buffer, for chhaining.
  */
  function appendBytes20(
    buffer memory buf,
    bytes20 data
  )
    internal
    pure
    returns (
      buffer memory
    )
  {
    return write(buf, buf.buf.length, bytes32(data), 20);
  }

  /**
  * @dev Appends a bytes32 to the buffer. Resizes if doing so would exceed
  *      the capacity of the buffer.
  * @param buf The buffer to append to.
  * @param data The data to append.
  * @return The original buffer, for chaining.
  */
  function appendBytes32(
    buffer memory buf,
    bytes32 data
  )
    internal
    pure
    returns (
      buffer memory
    )
  {
    return write(buf, buf.buf.length, data, 32);
  }

  /**
  * @dev Writes an integer to the buffer. Resizes if doing so would exceed
  *      the capacity of the buffer.
  * @param buf The buffer to append to.
  * @param off The offset to write at.
  * @param data The data to append.
  * @param len The number of bytes to write (right-aligned).
  * @return The original buffer, for chaining.
  */
  function writeInt(
    buffer memory buf,
    uint off,
    uint data,
    uint len
  )
    private
    pure
    returns(
      buffer memory
    )
  {
    if (len + off > buf.capacity) {
      resize(buf, (len + off) * 2);
    }

    uint mask = 256 ** len - 1;
    assembly {
      // Memory address of the buffer data
      let bufptr := mload(buf)
      // Address = buffer address + off + sizeof(buffer length) + len
      let dest := add(add(bufptr, off), len)
      mstore(dest, or(and(mload(dest), not(mask)), data))
      // Update buffer length if we extended it
      if gt(add(off, len), mload(bufptr)) {
        mstore(bufptr, add(off, len))
      }
    }
    return buf;
  }

  /**
    * @dev Appends a byte to the end of the buffer. Resizes if doing so would
    * exceed the capacity of the buffer.
    * @param buf The buffer to append to.
    * @param data The data to append.
    * @return The original buffer.
    */
  function appendInt(
    buffer memory buf,
    uint data,
    uint len
  )
    internal
    pure
    returns(
      buffer memory
    )
  {
    return writeInt(buf, buf.buf.length, data, len);
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

interface ChainlinkRequestInterface {
  function oracleRequest(
    address sender,
    uint256 requestPrice,
    bytes32 serviceAgreementID,
    address callbackAddress,
    bytes4 callbackFunctionId,
    uint256 nonce,
    uint256 dataVersion,
    bytes calldata data
  ) external;

  function cancelOracleRequest(
    bytes32 requestId,
    uint256 payment,
    bytes4 callbackFunctionId,
    uint256 expiration
  ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

interface OracleInterface {
  function fulfillOracleRequest(
    bytes32 requestId,
    uint256 payment,
    address callbackAddress,
    bytes4 callbackFunctionId,
    uint256 expiration,
    bytes32 data
  )
    external
    returns (
      bool
    );

  function withdraw(
    address recipient,
    uint256 amount
  ) external;

  function withdrawable()
    external
    view
    returns (
      uint256
    );
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "istanbul",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"chainlinkToken","type":"address"},{"internalType":"address","name":"merkleDistributor","type":"address"},{"internalType":"address","name":"oracleContract","type":"address"},{"internalType":"address","name":"oracleExternalAdapter","type":"address"},{"internalType":"bytes32","name":"jobId","type":"bytes32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"id","type":"bytes32"}],"name":"ChainlinkCancelled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"id","type":"bytes32"}],"name":"ChainlinkFulfilled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"id","type":"bytes32"}],"name":"ChainlinkRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"epoch","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"ipfsCid","type":"bytes"}],"name":"OracleRootUpdated","type":"event"},{"inputs":[],"name":"CHAINLINK_TOKEN","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"JOB_ID","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MERKLE_DISTRIBUTOR","outputs":[{"internalType":"contract IMerkleDistributorV1","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ORACLE_CONTRACT","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ORACLE_EXTERNAL_ADAPTER","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"requestId","type":"bytes32"},{"internalType":"uint256","name":"payment","type":"uint256"},{"internalType":"bytes4","name":"callbackFunc","type":"bytes4"},{"internalType":"uint256","name":"expiration","type":"uint256"}],"name":"cancelRequest","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"requestId","type":"bytes32"}],"name":"fulfillRequest","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"requestId","type":"bytes32"}],"name":"getOpenRequest","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"read","outputs":[{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"internalType":"uint256","name":"epoch","type":"uint256"},{"internalType":"bytes","name":"ipfsCid","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"fee","type":"uint256"}],"name":"requestOracleData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"fee","type":"uint256"}],"name":"transferAndRequestOracleData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"internalType":"uint256","name":"epoch","type":"uint256"},{"internalType":"bytes","name":"ipfsCid","type":"bytes"}],"name":"writeOracleData","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0x608060405234801561001057600080fd5b50600436106100b45760003560e01c806357b81b601161007157806357b81b601461012d57806357de26a4146101355780635ab383e01461014c57806361e072c314610154578063b6d6fe5014610169578063ec65d0f81461017c576100b4565b80630fe392f0146100b957806314411884146100e257806315e2e0f9146100f7578063205842351461010a5780632870b69114610112578063432d01371461011a575b600080fd5b6100cc6100c7366004611544565b61018f565b6040516100d99190611704565b60405180910390f35b6100f56100f0366004611544565b6101aa565b005b6100f56101053660046115a6565b6101eb565b6100cc6102f7565b6100cc61031b565b6100f5610128366004611544565b61033f565b6100cc6103f8565b61013d61041c565b6040516100d99392919061175e565b6100cc6104ba565b61015c6104de565b6040516100d99190611718565b6100f5610177366004611544565b610502565b6100f561018a36600461155c565b610980565b6000908152600660205260409020546001600160a01b031690565b6101df6001600160a01b037f000000000000000000000000514910771af9ca656af840dff83e8264ecf986ca163330846109c8565b6101e881610502565b50565b336001600160a01b037f000000000000000000000000d26d233b5e444117d93cdbc676357b9c7ff55906161461023c5760405162461bcd60e51b81526004016102339061179f565b60405180910390fd5b604051806060016040528085815260200184815260200183838080601f016020809104026020016040519081016040528093929190818152602001838380828437600092019190915250505091525080516007908155602080830151600855604083015180516102b09260099201906113dc565b509050507f29dc752488242557497b1331104cbf61a8661935cbf8ce1561874fc042a31f66848484846040516102e99493929190611721565b60405180910390a150505050565b7f000000000000000000000000514910771af9ca656af840dff83e8264ecf986ca81565b7f000000000000000000000000240bae5a27233fd3ac5440b5a598467725f7d1cd81565b60008181526005602052604090205481906001600160a01b031633146103965760405162461bcd60e51b815260040180806020018281038252602881526020018061189f6028913960400191505060405180910390fd5b60008181526005602052604080822080546001600160a01b03191690555182917f7cc135e0cebb02c3480ae5d74d377283180a2601f8f644edf7987b009316c63a91a250600090815260066020526040902080546001600160a01b0319169055565b7f000000000000000000000000d26d233b5e444117d93cdbc676357b9c7ff5590681565b60075460085460098054604080516020601f60026000196101006001881615020190951694909404938401819004810282018101909252828152606093909290918301828280156104ae5780601f10610483576101008083540402835291602001916104ae565b820191906000526020600020905b81548152906001019060200180831161049157829003601f168201915b50505050509050909192565b7f00000000000000000000000001d3348601968ab85b4bb028979006eac235a58881565b7f636536656239353236373637343166643832346262663664313231316331303181565b60607f00000000000000000000000001d3348601968ab85b4bb028979006eac235a5886001600160a01b031663ee90a3156040518163ffffffff1660e01b815260040160006040518083038186803b15801561055d57600080fd5b505afa158015610571573d6000803e3d6000fd5b505050506040513d6000823e601f3d908101601f19168201604052610599919081019061166f565b905060008060007f00000000000000000000000001d3348601968ab85b4bb028979006eac235a5886001600160a01b031663368e4d166040518163ffffffff1660e01b815260040160606040518083038186803b1580156105f957600080fd5b505afa15801561060d573d6000803e3d6000fd5b505050506040513d601f19601f8201168201806040525081019061063191906116ba565b92509250925060607f00000000000000000000000001d3348601968ab85b4bb028979006eac235a5886001600160a01b03166314d350436040518163ffffffff1660e01b815260040160006040518083038186803b15801561069257600080fd5b505afa1580156106a6573d6000803e3d6000fd5b505050506040513d6000823e601f3d908101601f191682016040526106ce9190810190611621565b9250505060007f00000000000000000000000001d3348601968ab85b4bb028979006eac235a5886001600160a01b031663c9afde0c6040518163ffffffff1660e01b815260040160206040518083038186803b15801561072d57600080fd5b505afa158015610741573d6000803e3d6000fd5b505050506040513d601f19601f8201168201806040525081019061076591906116a2565b905061076f611468565b6107a17f63653665623935323637363734316664383234626266366431323131633130313063432d013760e01b610a22565b90506107f76040518060400160405280600f81526020016e63616c6c6261636b4164647265737360881b815250306040516020016107df91906116e7565b60408051601f19818403018152919052839190610a47565b60408051808201909152600881526769706e734e616d6560c01b602082015261082290829089610a6a565b60408051808201909152601881527f6d61726b65744d616b657252657761726473416d6f756e740000000000000000602082015261086290829088610a88565b6040805180820190915260138152721d1c9859195c94995dd85c991cd05b5bdd5b9d606a1b602082015261089890829087610a88565b60408051808201909152601081526f74726164657253636f7265416c70686160801b60208201526108cb90829086610a88565b6040805180820190915260118152701858dd1a5d99549bdbdd125c199cd0da59607a1b60208201526108ff90829085610a47565b6040805180820190915260088152670dccaee8ae0dec6d60c31b602082015261092a90829084610a88565b60006109577f000000000000000000000000240bae5a27233fd3ac5440b5a598467725f7d1cd838b610aa6565b600090815260066020526040902080546001600160a01b03191633179055505050505050505050565b6000848152600660205260409020546001600160a01b031633146109b65760405162461bcd60e51b8152600401610233906117fc565b6109c284848484610ac5565b50505050565b604080516001600160a01b0380861660248301528416604482015260648082018490528251808303909101815260849091019091526020810180516001600160e01b03166323b872dd60e01b1790526109c2908590610b9d565b610a2a611468565b610a32611468565b610a3e81868686610d55565b95945050505050565b6080830151610a569083610d92565b6080830151610a659082610da9565b505050565b6080830151610a799083610d92565b6080830151610a659082610d92565b6080830151610a979083610d92565b6080830151610a659082610db6565b6000610abd84848460016320214ca360e11b610dc6565b949350505050565b60008481526005602052604080822080546001600160a01b0319811690915590516001600160a01b039091169186917fe1fe3afa0f7f761ff0a8b89086790efd5140d2907ebd5b7ff6bfcb5e075fd4c59190a260408051636ee4d55360e01b815260048101879052602481018690526001600160e01b0319851660448201526064810184905290516001600160a01b03831691636ee4d55391608480830192600092919082900301818387803b158015610b7e57600080fd5b505af1158015610b92573d6000803e3d6000fd5b505050505050505050565b610baf826001600160a01b03166110ba565b610c00576040805162461bcd60e51b815260206004820152601f60248201527f5361666545524332303a2063616c6c20746f206e6f6e2d636f6e747261637400604482015290519081900360640190fd5b60006060836001600160a01b0316836040518082805190602001908083835b60208310610c3e5780518252601f199092019160209182019101610c1f565b6001836020036101000a0380198251168184511680821785525050505050509050019150506000604051808303816000865af19150503d8060008114610ca0576040519150601f19603f3d011682016040523d82523d6000602084013e610ca5565b606091505b509150915081610cfc576040805162461bcd60e51b815260206004820181905260248201527f5361666545524332303a206c6f772d6c6576656c2063616c6c206661696c6564604482015290519081900360640190fd5b8051156109c257808060200190516020811015610d1857600080fd5b50516109c25760405162461bcd60e51b815260040180806020018281038252602a8152602001806118c7602a913960400191505060405180910390fd5b610d5d611468565b610d6d85608001516101006110f3565b50509183526001600160a01b031660208301526001600160e01b031916604082015290565b610d9f8260038351611133565b610a658282611207565b610d9f8260028351611133565b610dc282600083611133565b5050565b6004546040805130606090811b60208084019190915260348084018690528451808503909101815260549093018452825192810192909220908801939093526000838152600590915281812080546001600160a01b0319166001600160a01b038a16179055905182917fb5e6e01e79f91267dc17b4e6314d5d4d03593d2ceee0fbb452b750bd70ea5af991a2606082600080886000015189602001518a604001518b606001518a8d608001516000015160405160240180896001600160a01b03168152602001888152602001878152602001866001600160a01b03168152602001856001600160e01b031916815260200184815260200183815260200180602001828103825283818151815260200191508051906020019080838360005b83811015610efc578181015183820152602001610ee4565b50505050905090810190601f168015610f295780820380516001836020036101000a031916815260200191505b509950505050505050505050604051602081830303815290604052906001600160e01b0319166020820180516001600160e01b0383818316178352505050509050600260009054906101000a90046001600160a01b03166001600160a01b0316634000aea08887846040518463ffffffff1660e01b815260040180846001600160a01b0316815260200183815260200180602001828103825283818151815260200191508051906020019080838360005b83811015610ff2578181015183820152602001610fda565b50505050905090810190601f16801561101f5780820380516001836020036101000a031916815260200191505b50945050505050602060405180830381600087803b15801561104057600080fd5b505af1158015611054573d6000803e3d6000fd5b505050506040513d602081101561106a57600080fd5b50516110a75760405162461bcd60e51b815260040180806020018281038252602381526020018061187c6023913960400191505060405180910390fd5b5060048054600101905595945050505050565b6000813f7fc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470818114801590610abd575050151592915050565b6110fb61149d565b60208206156111105760208206602003820191505b506020808301829052604080518085526000815283019091019052815b92915050565b601781116111545761114e8360e0600585901b168317611228565b50610a65565b60ff811161117e57611171836018611fe0600586901b1617611228565b5061114e83826001611240565b61ffff81116111a95761119c836019611fe0600586901b1617611228565b5061114e83826002611240565b63ffffffff81116111d6576111c983601a611fe0600586901b1617611228565b5061114e83826004611240565b67ffffffffffffffff8111610a65576111fa83601b611fe0600586901b1617611228565b506109c283826008611240565b61120f61149d565b61122183846000015151848551611259565b9392505050565b61123061149d565b6112218384600001515184611305565b61124861149d565b610abd848560000151518585611350565b61126161149d565b825182111561126f57600080fd5b84602001518285011115611299576112998561129187602001518786016113ae565b6002026113c5565b6000808651805187602083010193508088870111156112b85787860182525b505050602084015b602084106112df5780518252601f1990930192602091820191016112c0565b51815160001960208690036101000a019081169019919091161790525083949350505050565b61130d61149d565b83602001518310611329576113298485602001516002026113c5565b835180516020858301018481535080851415611346576001810182525b5093949350505050565b61135861149d565b8460200151848301111561137557611375858584016002026113c5565b60006001836101000a0390508551838682010185831982511617815250805184870111156113a35783860181525b509495945050505050565b6000818311156113bf57508161112d565b50919050565b81516113d183836110f3565b506109c28382611207565b828054600181600116156101000203166002900490600052602060002090601f0160209004810192826114125760008555611458565b82601f1061142b57805160ff1916838001178555611458565b82800160010185558215611458579182015b8281111561145857825182559160200191906001019061143d565b506114649291506114b7565b5090565b6040805160a08101825260008082526020820181905291810182905260608101919091526080810161149861149d565b905290565b604051806040016040528060608152602001600081525090565b5b8082111561146457600081556001016114b8565b600082601f8301126114dc578081fd5b815167ffffffffffffffff808211156114f157fe5b604051601f8301601f19168101602001828111828210171561150f57fe5b60405282815292508284830160200186101561152a57600080fd5b61153b83602083016020880161184f565b50505092915050565b600060208284031215611555578081fd5b5035919050565b60008060008060808587031215611571578283fd5b843593506020850135925060408501356001600160e01b031981168114611596578283fd5b9396929550929360600135925050565b600080600080606085870312156115bb578384fd5b8435935060208501359250604085013567ffffffffffffffff808211156115e0578384fd5b818701915087601f8301126115f3578384fd5b813581811115611601578485fd5b886020828501011115611612578485fd5b95989497505060200194505050565b600080600060608486031215611635578283fd5b8351925060208401519150604084015167ffffffffffffffff811115611659578182fd5b611665868287016114cc565b9150509250925092565b600060208284031215611680578081fd5b815167ffffffffffffffff811115611696578182fd5b610abd848285016114cc565b6000602082840312156116b3578081fd5b5051919050565b6000806000606084860312156116ce578283fd5b8351925060208401519150604084015190509250925092565b60609190911b6bffffffffffffffffffffffff1916815260140190565b6001600160a01b0391909116815260200190565b90815260200190565b60008582528460208301526060604083015282606083015282846080840137818301608090810191909152601f909201601f191601019392505050565b600084825283602083015260606040830152825180606084015261178981608085016020870161184f565b601f01601f191691909101608001949350505050565b6020808252603f908201527f4d4431436861696e6c696e6b416461707465723a2053656e646572206d75737460408201527f20626520746865206f7261636c652065787465726e616c206164617074657200606082015260800190565b60208082526033908201527f52657175657374206973206e6f74206f70656e206f722073656e64657220776160408201527239903737ba103a34329034b734ba34b0ba37b960691b606082015260800190565b60005b8381101561186a578181015183820152602001611852565b838111156109c2575050600091015256fe756e61626c6520746f207472616e73666572416e6443616c6c20746f206f7261636c65536f75726365206d75737420626520746865206f7261636c65206f662074686520726571756573745361666545524332303a204552433230206f7065726174696f6e20646964206e6f742073756363656564a2646970667358221220700eed4f2212b99e8a07829fe330af0ec673afbabbff99e311fa008be2a31d9564736f6c63430007050033

000000000000000000000000514910771af9ca656af840dff83e8264ecf986ca00000000000000000000000001d3348601968ab85b4bb028979006eac235a588000000000000000000000000240bae5a27233fd3ac5440b5a598467725f7d1cd000000000000000000000000d26d233b5e444117d93cdbc676357b9c7ff559066365366562393532363736373431666438323462626636643132313163313031

-----Decoded View---------------
Arg [0] : chainlinkToken (address): 0x514910771AF9Ca656af840dff83E8264EcF986CA
Arg [1] : merkleDistributor (address): 0x01d3348601968aB85b4bb028979006eac235a588
Arg [2] : oracleContract (address): 0x240BaE5A27233Fd3aC5440B5a598467725F7D1cd
Arg [3] : oracleExternalAdapter (address): 0xD26d233b5e444117d93CdbC676357b9C7Ff55906
Arg [4] : jobId (bytes32): 0x6365366562393532363736373431666438323462626636643132313163313031

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 000000000000000000000000514910771af9ca656af840dff83e8264ecf986ca
Arg [1] : 00000000000000000000000001d3348601968ab85b4bb028979006eac235a588
Arg [2] : 000000000000000000000000240bae5a27233fd3ac5440b5a598467725f7d1cd
Arg [3] : 000000000000000000000000d26d233b5e444117d93cdbc676357b9c7ff55906
Arg [4] : 6365366562393532363736373431666438323462626636643132313163313031