ETH Price: $3,291.63 (-3.48%)
Gas: 14 Gwei

Contract

0xcafead1E31Ac8e4924Fc867c2C54FAB037458cb9
 

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$0.00

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167896622023-03-09 9:09:11482 days ago1678352951  Contract Creation0 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
CoverNFTDescriptor

Compiler Version
v0.8.18+commit.87f61d96

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 18 : CoverNFTDescriptor.sol
// SPDX-License-Identifier: UNLICENSED

pragma solidity ^0.8.0;

import "@openzeppelin/contracts-v4/utils/Base64.sol";
import "@openzeppelin/contracts-v4/utils/Strings.sol";
import "../../interfaces/ICover.sol";
import "../../interfaces/ICoverNFT.sol";
import "../../interfaces/ICoverNFTDescriptor.sol";
import "../../interfaces/IERC20Detailed.sol";
import "../../interfaces/INXMMaster.sol";
import "../../interfaces/IPool.sol";
import "../../libraries/DateTime.sol";
import "../../libraries/FloatingPoint.sol";
import "./CoverNFT.sol";


contract CoverNFTDescriptor is ICoverNFTDescriptor {
  using Strings for uint;
  using DateTime for uint;

  INXMMaster immutable public master;

  struct CoverDescription {
    string productName;
    string assetSymbol;
    string expiryDate;
    uint coverAmount;
    uint id;
    uint decimals;
}

  constructor(INXMMaster _master) {
    master = _master;
  }

  function tokenURI(uint tokenId) public view returns (string memory) {
    (string memory descriptionString, CoverDescription memory descriptionData) = generateDescription(tokenId);
    string memory image = Base64.encode(bytes(generateSVGImage(descriptionData)));

    return string(
      abi.encodePacked(
        "data:application/json;base64,",
        Base64.encode(
          bytes(
            abi.encodePacked(
              '{"name":"', ICoverNFT(msg.sender).name(), '",',
              '"description":"', descriptionString, '",',
              '"image": "',
              'data:image/svg+xml;base64,',
              image,
              '"}'
            )
          )
        )
      )
    );
  }

  function generateDescription(uint tokenId) public view returns (string memory descriptionString,
    CoverDescription memory descriptionData) {
    ICover cover = ICover(master.getLatestAddress("CO"));

    if (cover.coverDataCount() < tokenId) {
      return ("This NFT does not exist", CoverDescription("", "", "", 0, 0, 0));
    }

    // Get cover data
    CoverData memory coverData = cover.coverData(tokenId);
    string memory productName = cover.productNames(coverData.productId);
    CoverSegment memory lastSegment = cover.coverSegmentWithRemainingAmount(tokenId, cover.coverSegmentsCount(tokenId) - 1);

    // Check if cover has already expired
    string memory expiryMessage;
    if ((lastSegment.start + lastSegment.period) <= block.timestamp) {
      expiryMessage = "This cover NFT has already expired";
    }

    string memory expiry;
    {
      // Format expiry date
      (uint year, uint month, uint day) = uint(lastSegment.start + lastSegment.period).timestampToDate();
      expiry = string(
        abi.encodePacked(
          month.getMonthString(), " ", addZeroPrefix(day), " ", year.toString()
        )
      );
    }

    // Encode final description
    descriptionString = string(
      abi.encodePacked(
        "This NFT represents a cover purchase made for: ", productName,
        " \\nAmount Covered: ", FloatingPoint.toFloat(uint(lastSegment.amount), getAssetDecimals(coverData.coverAsset))," ", getAssetSymbol(coverData.coverAsset),
        " \\nExpiry Date: ", expiry,
        " \\n", expiryMessage
      )
    );

    descriptionData = CoverDescription(
      productName,
      getAssetSymbol(coverData.coverAsset),
      expiry,
      lastSegment.amount,
      tokenId,
      getAssetDecimals(coverData.coverAsset)
    );

    return (descriptionString, descriptionData);
  }

  // If value is single digit, add a zero prefix
  function addZeroPrefix(uint256 value) public pure returns (string memory) {
    if (value < 10) {
      return string(abi.encodePacked("0", value.toString()));
    }
    return value.toString();
  }

  function getAssetDecimals(uint assetId) public view returns (uint decimals) {
    if (assetId == 0) { return 18; }
    IPool pool = IPool(master.getLatestAddress("P1"));
    Asset memory asset = pool.getAsset(assetId);
    decimals = IERC20Detailed(asset.assetAddress).decimals();
  }

  function getAssetSymbol(uint assetId) public view returns (string memory assetSymbol) {
    if (assetId == 0) { return "ETH"; }
    IPool pool = IPool(master.getLatestAddress("P1"));
    Asset memory asset = pool.getAsset(assetId);
    assetSymbol = IERC20Detailed(asset.assetAddress).symbol();
  }

  function generateSVGImage(CoverDescription memory descriptionData) public pure returns (bytes memory image) {

    string memory svgData = string(abi.encodePacked(
        '<tspan>', descriptionData.productName, '</tspan></text>  <text class="cls-9" x="93%" y="40%" text-anchor="end">',
        '<tspan>', FloatingPoint.toFloat(descriptionData.coverAmount, descriptionData.decimals), " ", descriptionData.assetSymbol, '</tspan></text>',
        '<text class="cls-9" x="93%" y="45%" text-anchor="end"><tspan>', descriptionData.expiryDate,'</tspan></text>',
        '<text class="cls-9" x="93%" y="50%" text-anchor="end"><tspan>', descriptionData.id.toString(),'</tspan></text>  </g></svg>'
    ));

    return abi.encodePacked(
      string(
        abi.encodePacked(
          // Image data
          '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 290 500">  <defs>    <style>      .cls-1 { fill: none; }      .cls-3 { clip-path: url(#cp1); }      .cls-4 { opacity: .04; }      .cls-5 { fill: #055037; }      .cls-6, .cls-7, .cls-8, .cls-9 { fill: #fff; }      .cls-7 { font-size: 18px; }      .cls-7, .cls-8, .cls-9 { font-family: ArialMT, Arial, sans-serif; }      .cls-9 { clip-path: url(#cp2); }      .cls-8, .cls-9 { font-size: 13px; }    </style>    <clipPath id="cp1">      <rect class="cls-1" width="290" height="500" rx="32.74" ry="32.74"/>    </clipPath>    <clipPath id="cp2">      <rect class="cls-1" x="-382.18" y="-90" width="968.85" height="971"/>    </clipPath>  </defs>  <g>    <rect class="cls-5" y="0" width="290" height="500" rx="32.74" ry="32.74"/>    <g>      <path class="cls-6" d="m137.65,344.29c5.97-5.76,6.14-15.26.38-21.23s-15.26-6.14-21.23-.38-6.14,15.26-.38,21.23c5.76,5.97,15.26,6.14,21.23.38Z"/>      <path 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d="m260.4,52.4c-.4-.54-1.17-.8-1.95-.8-.96,0-1.74.5-1.74,1.4s.78,1.36,1.74,1.36c.79,0,1.55-.27,1.95-.8v-1.15Zm0,2.41c-.63.75-1.72,1.19-2.93,1.19-1.48,0-3.22-1-3.22-3.06s1.74-2.95,3.22-2.95c1.23,0,2.32.38,2.93,1.13v-1.28c0-.94-.8-1.55-2.03-1.55-1,0-1.92.36-2.7,1.09l-.92-1.63c1.13-1,2.59-1.46,4.04-1.46,2.11,0,4.04.84,4.04,3.5v5.98h-2.43v-.96Z"/>  </g> <text class="cls-7" x="7%" y="25%"><tspan>Cover Info</tspan></text> <text class="cls-8" x="7%" y="35%"><tspan>Product:</tspan></text> <text class="cls-8" x="7%" y="40%"><tspan>Amount:</tspan></text> <text class="cls-8" x="7%" y="45%"><tspan>Expiry Date: </tspan></text> <text class="cls-8" x="7%" y="50%"><tspan>Cover ID:</tspan></text>    <text class="cls-9" x="93%" y="35%" text-anchor="end">',
          svgData
        )
      )
    );
  }
}

File 2 of 18 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

File 3 of 18 : Base64.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Base64.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides a set of functions to operate with Base64 strings.
 *
 * _Available since v4.5._
 */
library Base64 {
    /**
     * @dev Base64 Encoding/Decoding Table
     */
    string internal constant _TABLE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

    /**
     * @dev Converts a `bytes` to its Bytes64 `string` representation.
     */
    function encode(bytes memory data) internal pure returns (string memory) {
        /**
         * Inspired by Brecht Devos (Brechtpd) implementation - MIT licence
         * https://github.com/Brechtpd/base64/blob/e78d9fd951e7b0977ddca77d92dc85183770daf4/base64.sol
         */
        if (data.length == 0) return "";

        // Loads the table into memory
        string memory table = _TABLE;

        // Encoding takes 3 bytes chunks of binary data from `bytes` data parameter
        // and split into 4 numbers of 6 bits.
        // The final Base64 length should be `bytes` data length multiplied by 4/3 rounded up
        // - `data.length + 2`  -> Round up
        // - `/ 3`              -> Number of 3-bytes chunks
        // - `4 *`              -> 4 characters for each chunk
        string memory result = new string(4 * ((data.length + 2) / 3));

        /// @solidity memory-safe-assembly
        assembly {
            // Prepare the lookup table (skip the first "length" byte)
            let tablePtr := add(table, 1)

            // Prepare result pointer, jump over length
            let resultPtr := add(result, 32)

            // Run over the input, 3 bytes at a time
            for {
                let dataPtr := data
                let endPtr := add(data, mload(data))
            } lt(dataPtr, endPtr) {

            } {
                // Advance 3 bytes
                dataPtr := add(dataPtr, 3)
                let input := mload(dataPtr)

                // To write each character, shift the 3 bytes (18 bits) chunk
                // 4 times in blocks of 6 bits for each character (18, 12, 6, 0)
                // and apply logical AND with 0x3F which is the number of
                // the previous character in the ASCII table prior to the Base64 Table
                // The result is then added to the table to get the character to write,
                // and finally write it in the result pointer but with a left shift
                // of 256 (1 byte) - 8 (1 ASCII char) = 248 bits

                mstore8(resultPtr, mload(add(tablePtr, and(shr(18, input), 0x3F))))
                resultPtr := add(resultPtr, 1) // Advance

                mstore8(resultPtr, mload(add(tablePtr, and(shr(12, input), 0x3F))))
                resultPtr := add(resultPtr, 1) // Advance

                mstore8(resultPtr, mload(add(tablePtr, and(shr(6, input), 0x3F))))
                resultPtr := add(resultPtr, 1) // Advance

                mstore8(resultPtr, mload(add(tablePtr, and(input, 0x3F))))
                resultPtr := add(resultPtr, 1) // Advance
            }

            // When data `bytes` is not exactly 3 bytes long
            // it is padded with `=` characters at the end
            switch mod(mload(data), 3)
            case 1 {
                mstore8(sub(resultPtr, 1), 0x3d)
                mstore8(sub(resultPtr, 2), 0x3d)
            }
            case 2 {
                mstore8(sub(resultPtr, 1), 0x3d)
            }
        }

        return result;
    }
}

File 4 of 18 : IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

File 5 of 18 : Strings.sol
// 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);
    }
}

File 6 of 18 : ICover.sol
// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

import "./ICoverNFT.sol";
import "./IStakingNFT.sol";
import "./IStakingPool.sol";
import "./IStakingPoolFactory.sol";

/* ========== DATA STRUCTURES ========== */

enum ClaimMethod {
  IndividualClaims,
  YieldTokenIncidents
}

// Basically CoverStatus from QuotationData.sol but with the extra Migrated status to avoid
// polluting Cover.sol state layout with new status variables.
enum LegacyCoverStatus {
  Active,
  ClaimAccepted,
  ClaimDenied,
  CoverExpired,
  ClaimSubmitted,
  Requested,
  Migrated
}

/* io structs */

struct PoolAllocationRequest {
  uint40 poolId;
  bool skip;
  uint coverAmountInAsset;
}

struct RequestAllocationVariables {
  uint previousPoolAllocationsLength;
  uint previousPremiumInNXM;
  uint refund;
  uint coverAmountInNXM;
}

struct BuyCoverParams {
  uint coverId;
  address owner;
  uint24 productId;
  uint8 coverAsset;
  uint96 amount;
  uint32 period;
  uint maxPremiumInAsset;
  uint8 paymentAsset;
  uint16 commissionRatio;
  address commissionDestination;
  string ipfsData;
}

struct ProductParam {
  string productName;
  uint productId;
  string ipfsMetadata;
  Product product;
  uint[] allowedPools;
}

struct ProductTypeParam {
  string productTypeName;
  uint productTypeId;
  string ipfsMetadata;
  ProductType productType;
}

struct ProductInitializationParams {
  uint productId;
  uint8 weight;
  uint96 initialPrice;
  uint96 targetPrice;
}

/* storage structs */

struct PoolAllocation {
  uint40 poolId;
  uint96 coverAmountInNXM;
  uint96 premiumInNXM;
  uint24 allocationId;
}

struct CoverData {
  uint24 productId;
  uint8 coverAsset;
  uint96 amountPaidOut;
}

struct CoverSegment {
  uint96 amount;
  uint32 start;
  uint32 period; // seconds
  uint32 gracePeriod; // seconds
  uint24 globalRewardsRatio;
  uint24 globalCapacityRatio;
}

struct Product {
  uint16 productType;
  address yieldTokenAddress;
  // cover assets bitmap. each bit represents whether the asset with
  // the index of that bit is enabled as a cover asset for this product
  uint32 coverAssets;
  uint16 initialPriceRatio;
  uint16 capacityReductionRatio;
  bool isDeprecated;
  bool useFixedPrice;
}

struct ProductType {
  uint8 claimMethod;
  uint32 gracePeriod;
}

struct ActiveCover {
  // Global active cover amount per asset.
  uint192 totalActiveCoverInAsset;
  // The last time activeCoverExpirationBuckets was updated
  uint64 lastBucketUpdateId;
}

interface ICover {

  /* ========== VIEWS ========== */

  function coverData(uint coverId) external view returns (CoverData memory);

  function coverDataCount() external view returns (uint);

  function coverSegmentsCount(uint coverId) external view returns (uint);

  function coverSegments(uint coverId) external view returns (CoverSegment[] memory);

  function coverSegmentWithRemainingAmount(
    uint coverId,
    uint segmentId
  ) external view returns (CoverSegment memory);

  function products(uint id) external view returns (Product memory);

  function productTypes(uint id) external view returns (ProductType memory);

  function stakingPool(uint index) external view returns (IStakingPool);

  function productNames(uint productId) external view returns (string memory);

  function productsCount() external view returns (uint);

  function productTypesCount() external view returns (uint);

  function totalActiveCoverInAsset(uint coverAsset) external view returns (uint);

  function globalCapacityRatio() external view returns (uint);

  function globalRewardsRatio() external view returns (uint);

  function getPriceAndCapacityRatios(uint[] calldata productIds) external view returns (
    uint _globalCapacityRatio,
    uint _globalMinPriceRatio,
    uint[] memory _initialPriceRatios,
    uint[] memory _capacityReductionRatios
  );

  /* === MUTATIVE FUNCTIONS ==== */

  function addLegacyCover(
    uint productId,
    uint coverAsset,
    uint amount,
    uint start,
    uint period,
    address newOwner
  ) external returns (uint coverId);

  function buyCover(
    BuyCoverParams calldata params,
    PoolAllocationRequest[] calldata coverChunkRequests
  ) external payable returns (uint coverId);

  function setProductTypes(ProductTypeParam[] calldata productTypes) external;

  function setProducts(ProductParam[] calldata params) external;

  function burnStake(
    uint coverId,
    uint segmentId,
    uint amount
  ) external returns (address coverOwner);

  function coverNFT() external returns (ICoverNFT);

  function stakingNFT() external returns (IStakingNFT);

  function stakingPoolFactory() external returns (IStakingPoolFactory);

  function createStakingPool(
    bool isPrivatePool,
    uint initialPoolFee,
    uint maxPoolFee,
    ProductInitializationParams[] calldata productInitParams,
    string calldata ipfsDescriptionHash
  ) external returns (uint poolId, address stakingPoolAddress);

  function isPoolAllowed(uint productId, uint poolId) external returns (bool);

  /* ========== EVENTS ========== */

  event ProductSet(uint id, string ipfsMetadata);
  event ProductTypeSet(uint id, string ipfsMetadata);
  event CoverEdited(uint indexed coverId, uint indexed productId, uint indexed segmentId, address buyer, string ipfsMetadata);

  // Auth
  error OnlyMemberRolesCanOperateTransfer();
  error OnlyOwnerOrApproved();

  // Cover details
  error CoverPeriodTooShort();
  error CoverPeriodTooLong();
  error CoverOutsideOfTheGracePeriod();
  error CoverAmountIsZero();

  // Products
  error ProductDoesntExist();
  error ProductTypeNotFound();
  error ProductDeprecated();
  error ProductDeprecatedOrNotInitialized();
  error InvalidProductType();
  error UnexpectedProductId();

  // Cover and payment assets
  error CoverAssetNotSupported();
  error InvalidPaymentAsset();
  error UnexpectedCoverAsset();
  error UnsupportedCoverAssets();
  error UnexpectedEthSent();

  // Price & Commission
  error PriceExceedsMaxPremiumInAsset();
  error TargetPriceBelowGlobalMinPriceRatio();
  error InitialPriceRatioBelowGlobalMinPriceRatio();
  error InitialPriceRatioAbove100Percent();
  error CommissionRateTooHigh();

  // ETH transfers
  error InsufficientEthSent();
  error SendingEthToPoolFailed();
  error SendingEthToCommissionDestinationFailed();
  error ReturningEthRemainderToSenderFailed();

  // Misc
  error AlreadyInitialized();
  error ExpiredCoversCannotBeEdited();
  error InsufficientCoverAmountAllocated();
  error UnexpectedPoolId();
  error CapacityReductionRatioAbove100Percent();
}

File 7 of 18 : ICoverNFT.sol
// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

import "@openzeppelin/contracts-v4/token/ERC721/IERC721.sol";

interface ICoverNFT is IERC721 {

  function isApprovedOrOwner(address spender, uint tokenId) external returns (bool);

  function mint(address to) external returns (uint tokenId);

  function changeOperator(address newOperator) external;

  function totalSupply() external view returns (uint);

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

  error NotOperator();
  error NotMinted();
  error WrongFrom();
  error InvalidRecipient();
  error InvalidNewOperatorAddress();
  error InvalidNewNFTDescriptorAddress();
  error NotAuthorized();
  error UnsafeRecipient();
  error AlreadyMinted();

}

File 8 of 18 : ICoverNFTDescriptor.sol
// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

interface ICoverNFTDescriptor {

  function tokenURI(uint tokenId) external view returns (string memory);

}

File 9 of 18 : IERC20Detailed.sol
// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

interface IERC20Detailed {

  function totalSupply() external view returns (uint256);

  function balanceOf(address account) external view returns (uint256);

  function transfer(address recipient, uint256 amount) external returns (bool);

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

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

  function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

  event Transfer(address indexed from, address indexed to, uint256 value);

  event Approval(address indexed owner, address indexed spender, uint256 value);

  function decimals() external view returns (uint8);

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

File 10 of 18 : INXMMaster.sol
// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

interface INXMMaster {

  function tokenAddress() external view returns (address);

  function owner() external view returns (address);

  function emergencyAdmin() external view returns (address);

  function masterInitialized() external view returns (bool);

  function isInternal(address _add) external view returns (bool);

  function isPause() external view returns (bool check);

  function isMember(address _add) external view returns (bool);

  function checkIsAuthToGoverned(address _add) external view returns (bool);

  function getLatestAddress(bytes2 _contractName) external view returns (address payable contractAddress);

  function contractAddresses(bytes2 code) external view returns (address payable);

  function upgradeMultipleContracts(
    bytes2[] calldata _contractCodes,
    address payable[] calldata newAddresses
  ) external;

  function removeContracts(bytes2[] calldata contractCodesToRemove) external;

  function addNewInternalContracts(
    bytes2[] calldata _contractCodes,
    address payable[] calldata newAddresses,
    uint[] calldata _types
  ) external;

  function updateOwnerParameters(bytes8 code, address payable val) external;
}

File 11 of 18 : IPool.sol
// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

import "./IPriceFeedOracle.sol";

struct SwapDetails {
  uint104 minAmount;
  uint104 maxAmount;
  uint32 lastSwapTime;
  // 2 decimals of precision. 0.01% -> 0.0001 -> 1e14
  uint16 maxSlippageRatio;
}

struct Asset {
  address assetAddress;
  bool isCoverAsset;
  bool isAbandoned;
}

interface IPool {

  function getAsset(uint assetId) external view returns (Asset memory);

  function getAssets() external view returns (Asset[] memory);

  function buyNXM(uint minTokensOut) external payable;

  function sellNXM(uint tokenAmount, uint minEthOut) external;

  function sellNXMTokens(uint tokenAmount) external returns (bool);

  function transferAssetToSwapOperator(address asset, uint amount) external;

  function setSwapDetailsLastSwapTime(address asset, uint32 lastSwapTime) external;

  function getAssetSwapDetails(address assetAddress) external view returns (SwapDetails memory);

  function getNXMForEth(uint ethAmount) external view returns (uint);

  function sendPayout(uint assetIndex, address payable payoutAddress, uint amount) external;

  function upgradeCapitalPool(address payable newPoolAddress) external;

  function priceFeedOracle() external view returns (IPriceFeedOracle);

  function getPoolValueInEth() external view returns (uint);

  function getEthForNXM(uint nxmAmount) external view returns (uint ethAmount);

  function calculateEthForNXM(uint nxmAmount, uint currentTotalAssetValue, uint mcrEth) external pure returns (uint);

  function calculateMCRRatio(uint totalAssetValue, uint mcrEth) external pure returns (uint);

  function calculateTokenSpotPrice(uint totalAssetValue, uint mcrEth) external pure returns (uint tokenPrice);

  function getTokenPriceInAsset(uint assetId) external view returns (uint tokenPrice);

  function getTokenPrice() external view returns (uint tokenPrice);

  function getMCRRatio() external view returns (uint);

  function setSwapValue(uint value) external;
}

File 12 of 18 : IPriceFeedOracle.sol
// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

interface Aggregator {
  function latestAnswer() external view returns (int);
}

struct OracleAsset {
  Aggregator aggregator;
  uint8 decimals;
}

interface IPriceFeedOracle {

  function ETH() external view returns (address);
  function assets(address) external view returns (Aggregator, uint8);

  function getAssetToEthRate(address asset) external view returns (uint);
  function getAssetForEth(address asset, uint ethIn) external view returns (uint);
  function getEthForAsset(address asset, uint amount) external view returns (uint);

}

File 13 of 18 : IStakingNFT.sol
// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

import "@openzeppelin/contracts-v4/token/ERC721/IERC721.sol";

interface IStakingNFT is IERC721 {

  function isApprovedOrOwner(address spender, uint tokenId) external returns (bool);

  function mint(uint poolId, address to) external returns (uint tokenId);

  function changeOperator(address newOperator) external;

  function totalSupply() external returns (uint);

  function tokenInfo(uint tokenId) external view returns (uint poolId, address owner);

  function stakingPoolOf(uint tokenId) external view returns (uint poolId);

  function stakingPoolFactory() external view returns (address);

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

  error NotOperator();
  error NotMinted();
  error WrongFrom();
  error InvalidRecipient();
  error InvalidNewOperatorAddress();
  error InvalidNewNFTDescriptorAddress();
  error NotAuthorized();
  error UnsafeRecipient();
  error AlreadyMinted();
  error NotStakingPool();

}

File 14 of 18 : IStakingPool.sol
// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

/* structs for io */

struct AllocationRequest {
  uint productId;
  uint coverId;
  uint allocationId;
  uint period;
  uint gracePeriod;
  bool useFixedPrice;
  uint previousStart;
  uint previousExpiration;
  uint previousRewardsRatio;
  uint globalCapacityRatio;
  uint capacityReductionRatio;
  uint rewardRatio;
  uint globalMinPrice;
}

struct StakedProductParam {
  uint productId;
  bool recalculateEffectiveWeight;
  bool setTargetWeight;
  uint8 targetWeight;
  bool setTargetPrice;
  uint96 targetPrice;
}

  struct BurnStakeParams {
    uint allocationId;
    uint productId;
    uint start;
    uint period;
    uint deallocationAmount;
  }

interface IStakingPool {

  /* structs for storage */

  // stakers are grouped in tranches based on the timelock expiration
  // tranche index is calculated based on the expiration date
  // the initial proposal is to have 4 tranches per year (1 tranche per quarter)
  struct Tranche {
    uint128 stakeShares;
    uint128 rewardsShares;
  }

  struct ExpiredTranche {
    uint96 accNxmPerRewardShareAtExpiry;
    uint96 stakeAmountAtExpiry; // nxm total supply is 6.7e24 and uint96.max is 7.9e28
    uint128 stakeSharesSupplyAtExpiry;
  }

  struct Deposit {
    uint96 lastAccNxmPerRewardShare;
    uint96 pendingRewards;
    uint128 stakeShares;
    uint128 rewardsShares;
  }

  function initialize(
    bool isPrivatePool,
    uint initialPoolFee,
    uint maxPoolFee,
    uint _poolId,
    string memory ipfsDescriptionHash
  ) external;

  function processExpirations(bool updateUntilCurrentTimestamp) external;

  function requestAllocation(
    uint amount,
    uint previousPremium,
    AllocationRequest calldata request
  ) external returns (uint premium, uint allocationId);

  function burnStake(uint amount, BurnStakeParams calldata params) external;

  function depositTo(
    uint amount,
    uint trancheId,
    uint requestTokenId,
    address destination
  ) external returns (uint tokenId);

  function withdraw(
    uint tokenId,
    bool withdrawStake,
    bool withdrawRewards,
    uint[] memory trancheIds
  ) external returns (uint withdrawnStake, uint withdrawnRewards);

  function isPrivatePool() external view returns (bool);

  function isHalted() external view returns (bool);

  function manager() external view returns (address);

  function getPoolId() external view returns (uint);

  function getPoolFee() external view returns (uint);

  function getMaxPoolFee() external view returns (uint);

  function getActiveStake() external view returns (uint);

  function getStakeSharesSupply() external view returns (uint);

  function getRewardsSharesSupply() external view returns (uint);

  function getRewardPerSecond() external view returns (uint);

  function getAccNxmPerRewardsShare() external view returns (uint);

  function getLastAccNxmUpdate() external view returns (uint);

  function getFirstActiveTrancheId() external view returns (uint);

  function getFirstActiveBucketId() external view returns (uint);

  function getNextAllocationId() external view returns (uint);

  function getDeposit(uint tokenId, uint trancheId) external view returns (
    uint lastAccNxmPerRewardShare,
    uint pendingRewards,
    uint stakeShares,
    uint rewardsShares
  );

  function getTranche(uint trancheId) external view returns (
    uint stakeShares,
    uint rewardsShares
  );

  function getExpiredTranche(uint trancheId) external view returns (
    uint accNxmPerRewardShareAtExpiry,
    uint stakeAmountAtExpiry,
    uint stakeShareSupplyAtExpiry
  );

  function setPoolFee(uint newFee) external;

  function setPoolPrivacy(bool isPrivatePool) external;

  function getActiveAllocations(
    uint productId
  ) external view returns (uint[] memory trancheAllocations);

  function getTrancheCapacities(
    uint productId,
    uint firstTrancheId,
    uint trancheCount,
    uint capacityRatio,
    uint reductionRatio
  ) external view returns (uint[] memory trancheCapacities);

  /* ========== EVENTS ========== */

  event StakeDeposited(address indexed user, uint256 amount, uint256 trancheId, uint256 tokenId);

  event DepositExtended(address indexed user, uint256 tokenId, uint256 initialTrancheId, uint256 newTrancheId, uint256 topUpAmount);

  event PoolPrivacyChanged(address indexed manager, bool isPrivate);

  event PoolFeeChanged(address indexed manager, uint newFee);

  event PoolDescriptionSet(string ipfsDescriptionHash);

  event Withdraw(address indexed user, uint indexed tokenId, uint tranche, uint amountStakeWithdrawn, uint amountRewardsWithdrawn);

  event StakeBurned(uint amount);

  // Auth
  error OnlyCoverContract();
  error OnlyManager();
  error PrivatePool();
  error SystemPaused();
  error PoolHalted();

  // Fees
  error PoolFeeExceedsMax();
  error MaxPoolFeeAbove100();

  // Voting
  error NxmIsLockedForGovernanceVote();
  error ManagerNxmIsLockedForGovernanceVote();

  // Deposit
  error InsufficientDepositAmount();
  error RewardRatioTooHigh();

  // Staking NFTs
  error InvalidTokenId();
  error NotTokenOwnerOrApproved();
  error InvalidStakingPoolForToken();

  // Tranche & capacity
  error NewTrancheEndsBeforeInitialTranche();
  error RequestedTrancheIsNotYetActive();
  error RequestedTrancheIsExpired();
  error InsufficientCapacity();

}

File 15 of 18 : IStakingPoolFactory.sol
// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

interface IStakingPoolFactory {

  function stakingPoolCount() external view returns (uint);

  function beacon() external view returns (address);

  function create(address beacon) external returns (uint poolId, address stakingPoolAddress);

  event StakingPoolCreated(uint indexed poolId, address indexed stakingPoolAddress);
}

File 16 of 18 : DateTime.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

// Modified from: https://github.com/bokkypoobah/BokkyPooBahsDateTimeLibrary/blob/master/contracts/BokkyPooBahsDateTimeLibrary.sol
library DateTime {
  uint constant SECONDS_PER_MINUTE = 60;
  uint constant SECONDS_PER_HOUR = SECONDS_PER_MINUTE * SECONDS_PER_MINUTE;
  uint constant SECONDS_PER_DAY = 24 * SECONDS_PER_HOUR;
  int constant OFFSET19700101 = 2440588;


  function _daysToDate(uint _days) internal pure returns (uint year, uint month, uint day) {
    int __days = int(_days);

    int L = __days + 68569 + OFFSET19700101;
    int N = 4 * L / 146097;
    L = L - (146097 * N + 3) / 4;
    int _year = 4000 * (L + 1) / 1461001;
    L = L - 1461 * _year / 4 + 31;
    int _month = 80 * L / 2447;
    int _day = L - 2447 * _month / 80;
    L = _month / 11;
    _month = _month + 2 - 12 * L;
    _year = 100 * (N - 49) + _year + L;

    year = uint(_year);
    month = uint(_month);
    day = uint(_day);
  }

  function timestampToDate(uint timestamp) internal pure returns (uint year, uint month, uint day) {
    (year, month, day) = _daysToDate(timestamp / SECONDS_PER_DAY);
  }

  function getMonthString(uint month) internal pure returns (string memory) {
    if (month == 1) { return "Jan"; }
    if (month == 2) { return "Feb"; }
    if (month == 3) { return "Mar"; }
    if (month == 4) { return "Apr"; }
    if (month == 5) { return "May"; }
    if (month == 6) { return "Jun"; }
    if (month == 7) { return "Jul"; }
    if (month == 8) { return "Aug"; }
    if (month == 9) { return "Sep"; }
    if (month == 10) { return "Oct"; }
    if (month == 11) { return "Nov"; }
    if (month == 12) { return "Dec"; }
    revert("Invalid month");
  }
}

File 17 of 18 : FloatingPoint.sol
// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity ^0.8.0;

import "@openzeppelin/contracts-v4/utils/Strings.sol";

library FloatingPoint {
  using Strings for uint;

  // Convert a number to a float string with 2 decimals
  function toFloat(
    uint number,
    uint decimals
  ) internal pure returns (string memory float) {
    if (decimals == 0) {
      return string(abi.encodePacked(number.toString(), ".00"));
    }

    uint decimalBase = 10 ** decimals;

    // Get the integer part
    uint integerVal = number / (decimalBase);
    float = string(abi.encodePacked(integerVal.toString(), "."));

    // Get the remainder
    uint remainder = number % (decimalBase);
    string memory remainderStr = remainder.toString();
    bytes memory remainderBytes = bytes(remainderStr);

    // The number of digits should be greater than decimals - 1
    if (remainderBytes.length + 1 < decimals) {
      return string(abi.encodePacked(float, "00"));
    }

    // If the remainder is less than 10, add a leading zero before digit and return
    if (remainder < decimalBase / 10) {
      remainderStr = string(abi.encodePacked("0", remainderBytes[0]));
      return string(abi.encodePacked(float, remainderStr));
    }

    // If the remainder is a single digit, add a trailing zero and return
    if (remainderBytes.length == 1) {
      remainderStr = string(abi.encodePacked(remainderBytes[0], "0"));
      return string(abi.encodePacked(float, remainderStr));
    }

    // Otherwise encode first two digits of remainder
    remainderStr = string(
      abi.encodePacked(remainderBytes[0], remainderBytes[1])
    );
    float = string(abi.encodePacked(float, remainderStr));
  }
}

File 18 of 18 : CoverNFT.sol
// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity ^0.8.18;

import "../../interfaces/ICoverNFT.sol";
import "../../interfaces/ICoverNFTDescriptor.sol";

/// @dev Based on Solmate https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC721.sol
contract CoverNFT is ICoverNFT {

  string public name;
  string public symbol;

  mapping(uint => address) internal _ownerOf;
  mapping(address => uint) internal _balanceOf;
  mapping(uint => address) public getApproved;
  mapping(address => mapping(address => bool)) public isApprovedForAll;

  uint96 internal _totalSupply;
  address public operator;
  address public nftDescriptor;

  modifier onlyOperator {
    if (msg.sender != operator) revert NotOperator();
    _;
  }

  constructor(
    string memory _name,
    string memory _symbol,
    address _operator,
    address _nftDescriptor
  ) {
    name = _name;
    symbol = _symbol;
    operator = _operator;
    nftDescriptor = _nftDescriptor;
  }

  // operator functions

  function changeOperator(address _newOperator) public onlyOperator {
    if (_newOperator == address(0)) revert InvalidNewOperatorAddress();
    operator = _newOperator;
  }

  function changeNFTDescriptor(address _newNFTDescriptor) public onlyOperator {
    if (_newNFTDescriptor == address(0)) revert InvalidNewNFTDescriptorAddress();
    nftDescriptor = _newNFTDescriptor;
  }

  // minting and supply

  function mint(address to) external onlyOperator returns (uint id) {

    if (to == address(0)) revert InvalidRecipient();

    // counter overflow is incredibly unrealistic
    unchecked {
      id = ++_totalSupply;
      _balanceOf[to]++;
    }

    _ownerOf[id] = to;

    emit Transfer(address(0), to, id);
  }

  function totalSupply() public view returns (uint) {
    return _totalSupply;
  }

  // ERC165

  function supportsInterface(bytes4 interfaceId) public pure returns (bool) {
    return
      interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165
      interfaceId == 0x80ac58cd || // ERC165 Interface ID for ERC721
      interfaceId == 0x5b5e139f; // ERC165 Interface ID for ERC721Metadata
  }

  // ERC721

  function tokenURI(uint id) public view virtual returns (string memory uri) {
    if (_ownerOf[id] == address(0)) revert NotMinted();
    return ICoverNFTDescriptor(nftDescriptor).tokenURI(id);
  }

  function ownerOf(uint id) public view returns (address owner) {
    if ((owner = _ownerOf[id]) == address(0)) revert NotMinted();
  }

  function balanceOf(address owner) public view returns (uint) {
    if (owner == address(0)) revert NotMinted();
    return _balanceOf[owner];
  }

  function approve(address spender, uint id) public {
    address owner = _ownerOf[id];
    if (msg.sender != owner && !isApprovedForAll[owner][msg.sender]) revert NotAuthorized();
    getApproved[id] = spender;
    emit Approval(owner, spender, id);
  }

  function setApprovalForAll(address spender, bool approved) public {
    isApprovedForAll[msg.sender][spender] = approved;
    emit ApprovalForAll(msg.sender, spender, approved);
  }

  /// @dev `ownerOf` and `getApproved` throw if the token doesn't exist as per ERC721 spec
  /// @dev as a consequence this function will throw as well in that case
  function isApprovedOrOwner(address spender, uint tokenId) external view returns (bool) {
    address owner = ownerOf(tokenId);
    return spender == owner || isApprovedForAll[owner][spender] || spender == getApproved[tokenId];
  }

  function transferFrom(address from, address to, uint id) public {
    if (from != _ownerOf[id]) revert WrongFrom();
    if (to == address(0)) revert InvalidRecipient();

    if (msg.sender != from && !isApprovedForAll[from][msg.sender] && msg.sender != getApproved[id]) {
      revert NotAuthorized();
    }

    // underflow of the sender's balance is impossible because we check for
    // ownership above and the recipient's balance can't realistically overflow
    unchecked {
      _balanceOf[from]--;
      _balanceOf[to]++;
    }

    _ownerOf[id] = to;
    delete getApproved[id];

    emit Transfer(from, to, id);
  }

  function safeTransferFrom(address from, address to, uint id) public {
    transferFrom(from, to, id);
    if (to.code.length != 0 && ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, "") != ERC721TokenReceiver.onERC721Received.selector) {
      revert UnsafeRecipient();
    }
  }

  function safeTransferFrom(
    address from,
    address to,
    uint id,
    bytes calldata data
  ) public {
    transferFrom(from, to, id);
    if (to.code.length != 0 && ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, data) != ERC721TokenReceiver.onERC721Received.selector) {
      revert UnsafeRecipient();
    }
  }
}

/// @notice A generic interface for a contract which properly accepts ERC721 tokens.
/// @dev Based on (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC721.sol)
abstract contract ERC721TokenReceiver {
  function onERC721Received(address, address, uint, bytes calldata) external virtual returns
  (bytes4) {
    return ERC721TokenReceiver.onERC721Received.selector;
  }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"contract INXMMaster","name":"_master","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"addZeroPrefix","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"generateDescription","outputs":[{"internalType":"string","name":"descriptionString","type":"string"},{"components":[{"internalType":"string","name":"productName","type":"string"},{"internalType":"string","name":"assetSymbol","type":"string"},{"internalType":"string","name":"expiryDate","type":"string"},{"internalType":"uint256","name":"coverAmount","type":"uint256"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"decimals","type":"uint256"}],"internalType":"struct CoverNFTDescriptor.CoverDescription","name":"descriptionData","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"string","name":"productName","type":"string"},{"internalType":"string","name":"assetSymbol","type":"string"},{"internalType":"string","name":"expiryDate","type":"string"},{"internalType":"uint256","name":"coverAmount","type":"uint256"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"decimals","type":"uint256"}],"internalType":"struct CoverNFTDescriptor.CoverDescription","name":"descriptionData","type":"tuple"}],"name":"generateSVGImage","outputs":[{"internalType":"bytes","name":"image","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"assetId","type":"uint256"}],"name":"getAssetDecimals","outputs":[{"internalType":"uint256","name":"decimals","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"assetId","type":"uint256"}],"name":"getAssetSymbol","outputs":[{"internalType":"string","name":"assetSymbol","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"master","outputs":[{"internalType":"contract INXMMaster","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

00000000000000000000000001bfd82675dbcc7762c84019ca518e701c0cd07e

-----Decoded View---------------
Arg [0] : _master (address): 0x01BFd82675DBCc7762C84019cA518e701C0cD07e

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000001bfd82675dbcc7762c84019ca518e701c0cd07e


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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.