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// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity ^0.8.13;

import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {Strings} from "@openzeppelin/contracts/utils/Strings.sol";

import {VRFConsumerBaseV2} from "@chainlink/contracts/src/v0.8/VRFConsumerBaseV2.sol";
import {VRFCoordinatorV2Interface} from "@chainlink/contracts/src/v0.8/interfaces/VRFCoordinatorV2Interface.sol";

import {IBBOTSRenderer} from "src/interface/BBOTSRenderer.interface.sol";

//_/\\\\\\\\\\\\\__________________/\\\\\\\\\\\\\_________/\\\\\_______/\\\\\\\\\\\\\\\_____/\\\\\\\\\\\___
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//  _\/\\\\\\\\\\\\\\___/\\\\\\\\\\\_\/\\\\\\\\\\\\\\___/\\\______\//\\\_______\/\\\_________\////\\\_________
//   _\/\\\/////////\\\_\///////////__\/\\\/////////\\\_\/\\\_______\/\\\_______\/\\\____________\////\\\______
//    _\/\\\_______\/\\\_______________\/\\\_______\/\\\_\//\\\______/\\\________\/\\\_______________\////\\\___
//     _\/\\\_______\/\\\_______________\/\\\_______\/\\\__\///\\\__/\\\__________\/\\\________/\\\______\//\\\__
//      _\/\\\\\\\\\\\\\/________________\/\\\\\\\\\\\\\/_____\///\\\\\/___________\/\\\_______\///\\\\\\\\\\\/___
//       _\/////////////__________________\/////////////_________\/////_____________\///__________\///////////_____

/// @title B-BOTS Renderer using Fisher-Yates shuffle to randomize metadata
/// @author ghard.eth
contract BBOTSRenderer is IBBOTSRenderer, Ownable, VRFConsumerBaseV2 {
    using Strings for uint256;

    /*///////////////////////////////////////////////////////////////
                        	RANDOMNESS STORAGE
    //////////////////////////////////////////////////////////////*/

    uint16 constant REQUEST_CONFIRMATIONS = 3;
    uint32 constant NUM_WORDS = 1;
    uint32 requestedEntropy;
    uint256[] public entropies;
    VRFCoordinatorV2Interface vrfCoordinator;
    uint64 subscriptionId;

    /*///////////////////////////////////////////////////////////////
                              METADATA
    //////////////////////////////////////////////////////////////*/

    uint16[] public tranches;
    string public metadataPrefix;

    constructor(
        uint64 _subscriptionId,
        address _vrfCoordinator,
        uint16[] memory _tranches,
        string memory _metadataPrefix
    ) VRFConsumerBaseV2(_vrfCoordinator) {
        subscriptionId = _subscriptionId;
        vrfCoordinator = VRFCoordinatorV2Interface(_vrfCoordinator);
        tranches = _tranches;
        metadataPrefix = _metadataPrefix;
    }

    /*///////////////////////////////////////////////////////////////
                              RENDERING
    //////////////////////////////////////////////////////////////*/

    /**
     * @notice Get the metadata address for token `_id`. Will be updated after the reveal of each tranche
     * @dev the length of `entropies` determines how many tranches have been revealed.
     */
    function tokenURI(uint256 id)
        public
        view
        override
        returns (string memory metadataUri)
    {
        // TODO: Translate tokenId to metadata id
        uint256 metadataId = _renderId(id);
        return string.concat(metadataPrefix, metadataId.toString());
    }

    function _renderId(uint256 tokenId)
        internal
        view
        returns (uint256 metadataId)
    {
        uint256 metadataIdx = tranches[0];
        uint256 MAX_SUPPLY = tranches[tranches.length - 1];

        uint256 entropy;
        uint256 randomIndex;

        uint256[] memory metadata = new uint256[](MAX_SUPPLY + 1); // f(metadataIdx) = tokenId

        for (uint256 j; j < entropies.length; j++) {
            entropy = entropies[j];

            for (metadataIdx; metadataIdx <= tranches[j + 1]; metadataIdx++) {
                // Get a random index higher than the current index
                randomIndex =
                    metadataIdx +
                    (entropy % (MAX_SUPPLY + 1 - metadataIdx));

                // if still virtualized, set value of random index
                if (metadata[randomIndex] == 0)
                    metadata[randomIndex] = randomIndex;

                // if still virtualized, set value of current index
                if (metadata[metadataIdx] == 0)
                    metadata[metadataIdx] = metadataIdx;

                // swap current and random index
                (metadata[metadataIdx], metadata[randomIndex]) = (
                    metadata[randomIndex],
                    metadata[metadataIdx]
                );

                // if the assigned metadata is our token, return
                if (metadata[metadataIdx] == tokenId + 1) {
                    return metadataIdx;
                }
            }
        }

        // if we havent returned yet, metadata hasnt been assigned
        return 0;
    }

    /*///////////////////////////////////////////////////////////////
                              RANDOMNESS
    //////////////////////////////////////////////////////////////*/

    /**
     * @notice Request random number from Chainlink VRF. Only callable by owner.
     * @dev check keyHash and callbackGasLimit requirements: https://docs.chain.link/docs/vrf-contracts/
     */
    function requestEntropy(bytes32 _keyHash, uint32 _callbackGasLimit)
        external
        onlyOwner
    {
        if (requestedEntropy + NUM_WORDS > tranches.length - 1)
            revert TooMuchEntropy();

        vrfCoordinator.requestRandomWords(
            _keyHash,
            subscriptionId,
            REQUEST_CONFIRMATIONS,
            _callbackGasLimit,
            NUM_WORDS
        );

        requestedEntropy += NUM_WORDS;
        emit EntropyRequested();
    }

    /// @dev callback from chainlink vrf. This triggers the tranche reveal of metadata
    function fulfillRandomWords(uint256, uint256[] memory randomWords)
        internal
        override
    {
        for (uint256 i; i < randomWords.length; i++) {
            entropies.push(randomWords[i]);
            emit EntropyReceived(randomWords[i]);
        }
    }

    function updateSubscription(uint64 _subscriptionId) external onlyOwner {
        subscriptionId = _subscriptionId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

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

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/** ****************************************************************************
 * @notice Interface for contracts using VRF randomness
 * *****************************************************************************
 * @dev PURPOSE
 *
 * @dev Reggie the Random Oracle (not his real job) wants to provide randomness
 * @dev to Vera the verifier in such a way that Vera can be sure he's not
 * @dev making his output up to suit himself. Reggie provides Vera a public key
 * @dev to which he knows the secret key. Each time Vera provides a seed to
 * @dev Reggie, he gives back a value which is computed completely
 * @dev deterministically from the seed and the secret key.
 *
 * @dev Reggie provides a proof by which Vera can verify that the output was
 * @dev correctly computed once Reggie tells it to her, but without that proof,
 * @dev the output is indistinguishable to her from a uniform random sample
 * @dev from the output space.
 *
 * @dev The purpose of this contract is to make it easy for unrelated contracts
 * @dev to talk to Vera the verifier about the work Reggie is doing, to provide
 * @dev simple access to a verifiable source of randomness. It ensures 2 things:
 * @dev 1. The fulfillment came from the VRFCoordinator
 * @dev 2. The consumer contract implements fulfillRandomWords.
 * *****************************************************************************
 * @dev USAGE
 *
 * @dev Calling contracts must inherit from VRFConsumerBase, and can
 * @dev initialize VRFConsumerBase's attributes in their constructor as
 * @dev shown:
 *
 * @dev   contract VRFConsumer {
 * @dev     constructor(<other arguments>, address _vrfCoordinator, address _link)
 * @dev       VRFConsumerBase(_vrfCoordinator) public {
 * @dev         <initialization with other arguments goes here>
 * @dev       }
 * @dev   }
 *
 * @dev The oracle will have given you an ID for the VRF keypair they have
 * @dev committed to (let's call it keyHash). Create subscription, fund it
 * @dev and your consumer contract as a consumer of it (see VRFCoordinatorInterface
 * @dev subscription management functions).
 * @dev Call requestRandomWords(keyHash, subId, minimumRequestConfirmations,
 * @dev callbackGasLimit, numWords),
 * @dev see (VRFCoordinatorInterface for a description of the arguments).
 *
 * @dev Once the VRFCoordinator has received and validated the oracle's response
 * @dev to your request, it will call your contract's fulfillRandomWords method.
 *
 * @dev The randomness argument to fulfillRandomWords is a set of random words
 * @dev generated from your requestId and the blockHash of the request.
 *
 * @dev If your contract could have concurrent requests open, you can use the
 * @dev requestId returned from requestRandomWords to track which response is associated
 * @dev with which randomness request.
 * @dev See "SECURITY CONSIDERATIONS" for principles to keep in mind,
 * @dev if your contract could have multiple requests in flight simultaneously.
 *
 * @dev Colliding `requestId`s are cryptographically impossible as long as seeds
 * @dev differ.
 *
 * *****************************************************************************
 * @dev SECURITY CONSIDERATIONS
 *
 * @dev A method with the ability to call your fulfillRandomness method directly
 * @dev could spoof a VRF response with any random value, so it's critical that
 * @dev it cannot be directly called by anything other than this base contract
 * @dev (specifically, by the VRFConsumerBase.rawFulfillRandomness method).
 *
 * @dev For your users to trust that your contract's random behavior is free
 * @dev from malicious interference, it's best if you can write it so that all
 * @dev behaviors implied by a VRF response are executed *during* your
 * @dev fulfillRandomness method. If your contract must store the response (or
 * @dev anything derived from it) and use it later, you must ensure that any
 * @dev user-significant behavior which depends on that stored value cannot be
 * @dev manipulated by a subsequent VRF request.
 *
 * @dev Similarly, both miners and the VRF oracle itself have some influence
 * @dev over the order in which VRF responses appear on the blockchain, so if
 * @dev your contract could have multiple VRF requests in flight simultaneously,
 * @dev you must ensure that the order in which the VRF responses arrive cannot
 * @dev be used to manipulate your contract's user-significant behavior.
 *
 * @dev Since the block hash of the block which contains the requestRandomness
 * @dev call is mixed into the input to the VRF *last*, a sufficiently powerful
 * @dev miner could, in principle, fork the blockchain to evict the block
 * @dev containing the request, forcing the request to be included in a
 * @dev different block with a different hash, and therefore a different input
 * @dev to the VRF. However, such an attack would incur a substantial economic
 * @dev cost. This cost scales with the number of blocks the VRF oracle waits
 * @dev until it calls responds to a request. It is for this reason that
 * @dev that you can signal to an oracle you'd like them to wait longer before
 * @dev responding to the request (however this is not enforced in the contract
 * @dev and so remains effective only in the case of unmodified oracle software).
 */
abstract contract VRFConsumerBaseV2 {
  error OnlyCoordinatorCanFulfill(address have, address want);
  address private immutable vrfCoordinator;

  /**
   * @param _vrfCoordinator address of VRFCoordinator contract
   */
  constructor(address _vrfCoordinator) {
    vrfCoordinator = _vrfCoordinator;
  }

  /**
   * @notice fulfillRandomness handles the VRF response. Your contract must
   * @notice implement it. See "SECURITY CONSIDERATIONS" above for important
   * @notice principles to keep in mind when implementing your fulfillRandomness
   * @notice method.
   *
   * @dev VRFConsumerBaseV2 expects its subcontracts to have a method with this
   * @dev signature, and will call it once it has verified the proof
   * @dev associated with the randomness. (It is triggered via a call to
   * @dev rawFulfillRandomness, below.)
   *
   * @param requestId The Id initially returned by requestRandomness
   * @param randomWords the VRF output expanded to the requested number of words
   */
  function fulfillRandomWords(uint256 requestId, uint256[] memory randomWords) internal virtual;

  // rawFulfillRandomness is called by VRFCoordinator when it receives a valid VRF
  // proof. rawFulfillRandomness then calls fulfillRandomness, after validating
  // the origin of the call
  function rawFulfillRandomWords(uint256 requestId, uint256[] memory randomWords) external {
    if (msg.sender != vrfCoordinator) {
      revert OnlyCoordinatorCanFulfill(msg.sender, vrfCoordinator);
    }
    fulfillRandomWords(requestId, randomWords);
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface VRFCoordinatorV2Interface {
  /**
   * @notice Get configuration relevant for making requests
   * @return minimumRequestConfirmations global min for request confirmations
   * @return maxGasLimit global max for request gas limit
   * @return s_provingKeyHashes list of registered key hashes
   */
  function getRequestConfig()
    external
    view
    returns (
      uint16,
      uint32,
      bytes32[] memory
    );

  /**
   * @notice Request a set of random words.
   * @param keyHash - Corresponds to a particular oracle job which uses
   * that key for generating the VRF proof. Different keyHash's have different gas price
   * ceilings, so you can select a specific one to bound your maximum per request cost.
   * @param subId  - The ID of the VRF subscription. Must be funded
   * with the minimum subscription balance required for the selected keyHash.
   * @param minimumRequestConfirmations - How many blocks you'd like the
   * oracle to wait before responding to the request. See SECURITY CONSIDERATIONS
   * for why you may want to request more. The acceptable range is
   * [minimumRequestBlockConfirmations, 200].
   * @param callbackGasLimit - How much gas you'd like to receive in your
   * fulfillRandomWords callback. Note that gasleft() inside fulfillRandomWords
   * may be slightly less than this amount because of gas used calling the function
   * (argument decoding etc.), so you may need to request slightly more than you expect
   * to have inside fulfillRandomWords. The acceptable range is
   * [0, maxGasLimit]
   * @param numWords - The number of uint256 random values you'd like to receive
   * in your fulfillRandomWords callback. Note these numbers are expanded in a
   * secure way by the VRFCoordinator from a single random value supplied by the oracle.
   * @return requestId - A unique identifier of the request. Can be used to match
   * a request to a response in fulfillRandomWords.
   */
  function requestRandomWords(
    bytes32 keyHash,
    uint64 subId,
    uint16 minimumRequestConfirmations,
    uint32 callbackGasLimit,
    uint32 numWords
  ) external returns (uint256 requestId);

  /**
   * @notice Create a VRF subscription.
   * @return subId - A unique subscription id.
   * @dev You can manage the consumer set dynamically with addConsumer/removeConsumer.
   * @dev Note to fund the subscription, use transferAndCall. For example
   * @dev  LINKTOKEN.transferAndCall(
   * @dev    address(COORDINATOR),
   * @dev    amount,
   * @dev    abi.encode(subId));
   */
  function createSubscription() external returns (uint64 subId);

  /**
   * @notice Get a VRF subscription.
   * @param subId - ID of the subscription
   * @return balance - LINK balance of the subscription in juels.
   * @return reqCount - number of requests for this subscription, determines fee tier.
   * @return owner - owner of the subscription.
   * @return consumers - list of consumer address which are able to use this subscription.
   */
  function getSubscription(uint64 subId)
    external
    view
    returns (
      uint96 balance,
      uint64 reqCount,
      address owner,
      address[] memory consumers
    );

  /**
   * @notice Request subscription owner transfer.
   * @param subId - ID of the subscription
   * @param newOwner - proposed new owner of the subscription
   */
  function requestSubscriptionOwnerTransfer(uint64 subId, address newOwner) external;

  /**
   * @notice Request subscription owner transfer.
   * @param subId - ID of the subscription
   * @dev will revert if original owner of subId has
   * not requested that msg.sender become the new owner.
   */
  function acceptSubscriptionOwnerTransfer(uint64 subId) external;

  /**
   * @notice Add a consumer to a VRF subscription.
   * @param subId - ID of the subscription
   * @param consumer - New consumer which can use the subscription
   */
  function addConsumer(uint64 subId, address consumer) external;

  /**
   * @notice Remove a consumer from a VRF subscription.
   * @param subId - ID of the subscription
   * @param consumer - Consumer to remove from the subscription
   */
  function removeConsumer(uint64 subId, address consumer) external;

  /**
   * @notice Cancel a subscription
   * @param subId - ID of the subscription
   * @param to - Where to send the remaining LINK to
   */
  function cancelSubscription(uint64 subId, address to) external;

  /*
   * @notice Check to see if there exists a request commitment consumers
   * for all consumers and keyhashes for a given sub.
   * @param subId - ID of the subscription
   * @return true if there exists at least one unfulfilled request for the subscription, false
   * otherwise.
   */
  function pendingRequestExists(uint64 subId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {BBOTSRendererEvents} from "./BBOTSRenderer.events.sol";
import {IMetadataRenderer} from "./MetadataRenderer.interface.sol";

interface IBBOTSRenderer is BBOTSRendererEvents, IMetadataRenderer {
    error TooMuchEntropy();

    /*///////////////////////////////////////////////////////////////
                        	   RANDOMNESS
    //////////////////////////////////////////////////////////////*/

    function requestEntropy(bytes32 _keyHash, uint32 _callbackGasLimit)
        external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface BBOTSRendererEvents {
    event EntropyRequested();
    event EntropyReceived(uint256 entropy);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface IMetadataRenderer {
    /*///////////////////////////////////////////////////////////////
                        	   RENDERING
    //////////////////////////////////////////////////////////////*/

    function tokenURI(uint256 id) external view returns (string memory);
}

{
  "remappings": [
    "@a16z/=lib/a16z-contracts/",
    "@chainlink/=lib/chainlink/",
    "@openzeppelin/=lib/openzeppelin-contracts/",
    "@rari-capital/solmate/=lib/solmate/",
    "a16z-contracts/=lib/a16z-contracts/",
    "chainlink/=lib/chainlink/contracts/src/v0.8/dev/vendor/@arbitrum/nitro-contracts/src/",
    "ds-test/=lib/solmate/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "solmate/=lib/solmate/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 1337
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

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[{"inputs":[{"internalType":"uint64","name":"_subscriptionId","type":"uint64"},{"internalType":"address","name":"_vrfCoordinator","type":"address"},{"internalType":"uint16[]","name":"_tranches","type":"uint16[]"},{"internalType":"string","name":"_metadataPrefix","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"have","type":"address"},{"internalType":"address","name":"want","type":"address"}],"name":"OnlyCoordinatorCanFulfill","type":"error"},{"inputs":[],"name":"TooMuchEntropy","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"entropy","type":"uint256"}],"name":"EntropyReceived","type":"event"},{"anonymous":false,"inputs":[],"name":"EntropyRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"entropies","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"metadataPrefix","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"requestId","type":"uint256"},{"internalType":"uint256[]","name":"randomWords","type":"uint256[]"}],"name":"rawFulfillRandomWords","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_keyHash","type":"bytes32"},{"internalType":"uint32","name":"_callbackGasLimit","type":"uint32"}],"name":"requestEntropy","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"metadataUri","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tranches","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint64","name":"_subscriptionId","type":"uint64"}],"name":"updateSubscription","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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-----Decoded View---------------
Arg [0] : _subscriptionId (uint64): 410
Arg [1] : _vrfCoordinator (address): 0x271682DEB8C4E0901D1a1550aD2e64D568E69909
Arg [2] : _tranches (uint16[]): 0,8080,9595,10101
Arg [3] : _metadataPrefix (string): https://arweave.net/08MnIcWWL3cjDA-i24g3Q56BxrrV3kqfOWnnsPf-QuA/

-----Encoded View---------------
12 Constructor Arguments found :
Arg [0] : 000000000000000000000000000000000000000000000000000000000000019a
Arg [1] : 000000000000000000000000271682deb8c4e0901d1a1550ad2e64d568e69909
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000120
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000001f90
Arg [7] : 000000000000000000000000000000000000000000000000000000000000257b
Arg [8] : 0000000000000000000000000000000000000000000000000000000000002775
Arg [9] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [10] : 68747470733a2f2f617277656176652e6e65742f30384d6e496357574c33636a
Arg [11] : 44412d69323467335135364278727256336b71664f576e6e7350662d5175412f