Mumbai Testnet

Contract

0x44E613d1878952827Cc1017cA5745bdeCc47f75d

Overview

MATIC Balance

Multichain Info

N/A
Transaction Hash
Method
Block
From
To
Value
Claim Assets373185362023-06-27 3:48:54327 days ago1687837734IN
0x44E613d1...eCc47f75d
0 MATIC0.000184381.50000001
Claim Assets368619672023-06-15 2:43:29339 days ago1686797009IN
0x44E613d1...eCc47f75d
0 MATIC0.000191581.50000001
Claim Assets368618042023-06-15 2:37:43339 days ago1686796663IN
0x44E613d1...eCc47f75d
0 MATIC0.000362272.43048051
Claim Assets367965272023-06-13 11:23:43341 days ago1686655423IN
0x44E613d1...eCc47f75d
0 MATIC0.000223571.50000001
Claim Assets367916422023-06-13 8:30:02341 days ago1686645002IN
0x44E613d1...eCc47f75d
0 MATIC0.000367841.8605598
Claim Assets367891052023-06-13 7:00:02341 days ago1686639602IN
0x44E613d1...eCc47f75d
0 MATIC0.000461932.4000118
Claim Assets367854192023-06-13 4:48:49341 days ago1686631729IN
0x44E613d1...eCc47f75d
0 MATIC0.000457992.23660797
Claim Assets367849422023-06-13 4:31:49341 days ago1686630709IN
0x44E613d1...eCc47f75d
0 MATIC0.000340432.37810031
Claim Assets367821772023-06-13 2:53:51341 days ago1686624831IN
0x44E613d1...eCc47f75d
0 MATIC0.000313181.88508089
Claim Assets367494732023-06-12 7:35:24342 days ago1686555324IN
0x44E613d1...eCc47f75d
0 MATIC0.000238551.60050001
Claim Assets364809572023-06-05 16:45:05349 days ago1685983505IN
0x44E613d1...eCc47f75d
0 MATIC0.000349012.83895755
Claim Assets364808722023-06-05 16:42:05349 days ago1685983325IN
0x44E613d1...eCc47f75d
0 MATIC0.000382542.28168252
Claim Assets363459132023-06-02 9:02:17352 days ago1685696537IN
0x44E613d1...eCc47f75d
0 MATIC0.000438122.91
Claim Assets363455612023-06-02 8:49:49352 days ago1685695789IN
0x44E613d1...eCc47f75d
0 MATIC0.000343522.28168251
Claim Assets362225452023-05-30 8:13:00355 days ago1685434380IN
0x44E613d1...eCc47f75d
0 MATIC0.0041543529.10007417
Claim Assets362223532023-05-30 8:06:12355 days ago1685433972IN
0x44E613d1...eCc47f75d
0 MATIC0.000420792.50985077
Claim Assets360225932023-05-25 9:17:35360 days ago1685006255IN
0x44E613d1...eCc47f75d
0 MATIC0.0115727881.06405133
Claim Assets359747852023-05-24 4:33:53361 days ago1684902833IN
0x44E613d1...eCc47f75d
0 MATIC0.00040282.42500001
Claim Assets324901572023-02-27 11:05:43447 days ago1677495943IN
0x44E613d1...eCc47f75d
0 MATIC0.0047145633.95000001
Claim Assets320988922023-02-16 9:21:53458 days ago1676539313IN
0x44E613d1...eCc47f75d
0 MATIC0.000343541.825346
Claim Assets315583912023-01-30 5:20:31475 days ago1675056031IN
0x44E613d1...eCc47f75d
0 MATIC0.000402242.42500001
Claim Assets315580612023-01-30 5:05:37475 days ago1675055137IN
0x44E613d1...eCc47f75d
0 MATIC0.000492352.45558532
Claim Assets315565472023-01-30 3:58:02475 days ago1675051082IN
0x44E613d1...eCc47f75d
0 MATIC0.000486222.42500001
Claim Assets311321272023-01-19 4:35:31486 days ago1674102931IN
0x44E613d1...eCc47f75d
0 MATIC0.000208321.50000001
Claim Assets310215852023-01-16 11:20:13489 days ago1673868013IN
0x44E613d1...eCc47f75d
0 MATIC0.000208321.50000001
View all transactions

Parent Transaction Hash Block From To Value
View All Internal Transactions
Loading...
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
PlaylinkClaim

Compiler Version
v0.8.15+commit.e14f2714

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 10 : PlaylinkClaim.sol
/* SPDX-License-Identifier: MIT */

pragma solidity ^0.8.15;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";

contract PlaylinkClaim is Ownable {
    using ECDSA for bytes32;

    enum AssetType {
        ERC20,
        ERC721,
        ERC1155
    }

    struct Asset {
        AssetType assetType;
        address assetAddress;
        uint256 assetId; // 0 for ERC20
        uint256 amount; // 1 for ERC721
    }

    mapping(address => mapping(string => Asset[])) private _claimedAssets; // maps (user address + campaign ID) => claimed assets
    mapping(address => bool) private _operators;

    constructor() Ownable() {}

    function getClaimedAssets(address claimant, string calldata campaignId)
        external
        view
        returns (Asset[] memory)
    {
        return _claimedAssets[claimant][campaignId];
    }

    function setOperators(address[] memory operators, bool[] memory isOperators)
        external
        onlyOwner
    {
        require(
            operators.length == isOperators.length,
            "PlaylinkClaim: lengths mismatch"
        );
        for (uint256 i = 0; i < operators.length; i++)
            _operators[operators[i]] = isOperators[i];
    }

    function claimAssets(
        string calldata campaignId,
        address campaignCreator,
        Asset[] calldata assets,
        bytes calldata signature
    ) external {
        // Build signing message
        address signer = _verifySignature(
            campaignId,
            msg.sender,
            assets,
            signature
        );
        require(_operators[signer], "PlaylinkClaim: invalid signer");

        // Claim assets
        for (uint256 i = 0; i < assets.length; i++) {
            Asset memory asset = assets[i];
            _claimedAssets[msg.sender][campaignId].push(asset);
            if (asset.assetType == AssetType.ERC20) {
                require(asset.assetId == 0, "PlaylinkClaim: invalid asset ID");
                bool success = IERC20(asset.assetAddress).transferFrom(
                    campaignCreator,
                    msg.sender,
                    asset.amount
                );
                require(success, "PlaylinkClaim: failed to claim");
            } else if (asset.assetType == AssetType.ERC721) {
                require(
                    asset.amount == 1,
                    "PlaylinkClaim: invalid asset amount"
                );
                IERC721(asset.assetAddress).safeTransferFrom(
                    campaignCreator,
                    msg.sender,
                    asset.assetId
                );
            } else if (asset.assetType == AssetType.ERC1155) {
                IERC1155(asset.assetAddress).safeTransferFrom(
                    campaignCreator,
                    msg.sender,
                    asset.assetId,
                    asset.amount,
                    abi.encodePacked(
                        asset.assetAddress,
                        asset.assetId,
                        asset.amount
                    )
                );
            }
        }
    }

    function _verifySignature(
        string calldata campaignId,
        address userAddress,
        Asset[] calldata assets,
        bytes calldata signature
    ) private pure returns (address) {
        // Build siging message
        bytes memory message = abi.encodePacked(campaignId, userAddress);
        for (uint256 i = 0; i < assets.length; i++) {
            message = bytes.concat(
                message,
                abi.encodePacked(
                    uint256(assets[i].assetType),
                    assets[i].assetAddress,
                    assets[i].assetId,
                    assets[i].amount
                )
            );
        }

        // Validate operator's signature
        bytes32 messageHash = keccak256(message).toEthSignedMessageHash();
        return messageHash.recover(signature);
    }
}

File 1 of 10 : Ownable.sol
// 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);
    }
}

File 1 of 10 : IERC1155.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

File 1 of 10 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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);

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

File 1 of 10 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * 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 1 of 10 : Context.sol
// 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;
    }
}

File 1 of 10 : ECDSA.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV // Deprecated in v4.8
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

File 1 of 10 : 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 1 of 10 : Math.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10**64) {
                value /= 10**64;
                result += 64;
            }
            if (value >= 10**32) {
                value /= 10**32;
                result += 32;
            }
            if (value >= 10**16) {
                value /= 10**16;
                result += 16;
            }
            if (value >= 10**8) {
                value /= 10**8;
                result += 8;
            }
            if (value >= 10**4) {
                value /= 10**4;
                result += 4;
            }
            if (value >= 10**2) {
                value /= 10**2;
                result += 2;
            }
            if (value >= 10**1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

File 1 of 10 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _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) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @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] = _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);
    }
}

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

Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"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":"string","name":"campaignId","type":"string"},{"internalType":"address","name":"campaignCreator","type":"address"},{"components":[{"internalType":"enum PlaylinkClaim.AssetType","name":"assetType","type":"uint8"},{"internalType":"address","name":"assetAddress","type":"address"},{"internalType":"uint256","name":"assetId","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"internalType":"struct PlaylinkClaim.Asset[]","name":"assets","type":"tuple[]"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"claimAssets","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"claimant","type":"address"},{"internalType":"string","name":"campaignId","type":"string"}],"name":"getClaimedAssets","outputs":[{"components":[{"internalType":"enum PlaylinkClaim.AssetType","name":"assetType","type":"uint8"},{"internalType":"address","name":"assetAddress","type":"address"},{"internalType":"uint256","name":"assetId","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"internalType":"struct PlaylinkClaim.Asset[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"operators","type":"address[]"},{"internalType":"bool[]","name":"isOperators","type":"bool[]"}],"name":"setOperators","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

Deployed Bytecode

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

Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading
Loading...
Loading

Validator Index Block Amount
View All Withdrawals

Txn Hash Block Value Eth2 PubKey Valid
View All Deposits
[ Download: CSV Export  ]

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.