Mumbai Testnet

Contract

0xAa9CD5834E0009902EeAA3FEfAc6A160e9A096b4
Transaction Hash
Method
Block
From
To
Value
Create Token479244632024-04-06 6:54:2442 days ago1712386464IN
0xAa9CD583...0e9A096b4
0 MATIC0.0142823520.11392
Create Token479244382024-04-06 6:53:3242 days ago1712386412IN
0xAa9CD583...0e9A096b4
0 MATIC0.0119019516.7616
Create Token479218432024-04-06 5:14:0642 days ago1712380446IN
0xAa9CD583...0e9A096b4
0 MATIC0.0213011130.00000001
Create Token479209312024-04-06 4:39:0842 days ago1712378348IN
0xAa9CD583...0e9A096b4
0 MATIC0.003550545
Create Token479206682024-04-06 4:28:4442 days ago1712377724IN
0xAa9CD583...0e9A096b4
0 MATIC0.001064981.50000001
Create Token479205442024-04-06 4:24:2242 days ago1712377462IN
0xAa9CD583...0e9A096b4
0 MATIC0.001064981.50000001
Create Token479203702024-04-06 4:17:4042 days ago1712377060IN
0xAa9CD583...0e9A096b4
0 MATIC0.0213003930.00000001
Create Token475679472024-03-28 2:59:3251 days ago1711594772IN
0xAa9CD583...0e9A096b4
0 MATIC0.004132415.82
Create Token474946562024-03-26 6:16:2353 days ago1711433783IN
0xAa9CD583...0e9A096b4
0 MATIC0.003084514.34460676
Create Token473010982024-03-21 6:48:4758 days ago1711003727IN
0xAa9CD583...0e9A096b4
0 MATIC0.001171461.65000001
Create Token470338672024-03-14 10:34:1665 days ago1710412456IN
0xAa9CD583...0e9A096b4
0 MATIC0.001065071.50000001
Create Token469461362024-03-12 3:19:4867 days ago1710213588IN
0xAa9CD583...0e9A096b4
0 MATIC0.002129963.00000001
Create Token469159312024-03-11 7:50:2168 days ago1710143421IN
0xAa9CD583...0e9A096b4
0 MATIC0.001064981.50000001
Create Token467927292024-03-08 3:51:3671 days ago1709869896IN
0xAa9CD583...0e9A096b4
0 MATIC0.001065031.50000001
Create Token467259012024-03-06 11:23:1973 days ago1709724199IN
0xAa9CD583...0e9A096b4
0 MATIC0.001065251.50000001
Create Token466421882024-03-04 9:02:0275 days ago1709542922IN
0xAa9CD583...0e9A096b4
0 MATIC0.0103312114.55000001
Create Token465224792024-03-01 6:31:2178 days ago1709274681IN
0xAa9CD583...0e9A096b4
0 MATIC0.004758926.70269999
Create Token465193342024-03-01 4:38:2378 days ago1709267903IN
0xAa9CD583...0e9A096b4
0 MATIC0.019441627.38019001
Create Token461586142024-02-21 2:13:4587 days ago1708481625IN
0xAa9CD583...0e9A096b4
0 MATIC0.0010651.50000001
Create Token459395872024-02-15 8:42:2893 days ago1707986548IN
0xAa9CD583...0e9A096b4
0 MATIC0.001064961.50000001
Create Token458670882024-02-13 10:15:2195 days ago1707819321IN
0xAa9CD583...0e9A096b4
0 MATIC0.001065071.50000001
Create Token457908972024-02-11 7:54:0997 days ago1707638049IN
0xAa9CD583...0e9A096b4
0 MATIC0.001065161.50000001
Create Token456526732024-02-07 13:03:18101 days ago1707310998IN
0xAa9CD583...0e9A096b4
0 MATIC0.001065541.50000001
Create Token455850452024-02-05 19:49:34102 days ago1707162574IN
0xAa9CD583...0e9A096b4
0 MATIC0.0010651.50000001
Create Token455850332024-02-05 19:49:08102 days ago1707162548IN
0xAa9CD583...0e9A096b4
0 MATIC0.001065321.50000001
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Latest 25 internal transactions (View All)

Parent Transaction Hash Block From To Value
479244632024-04-06 6:54:2442 days ago1712386464
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
479244382024-04-06 6:53:3242 days ago1712386412
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
479218432024-04-06 5:14:0642 days ago1712380446
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
479209312024-04-06 4:39:0842 days ago1712378348
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
479206682024-04-06 4:28:4442 days ago1712377724
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
479205442024-04-06 4:24:2242 days ago1712377462
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
479203702024-04-06 4:17:4042 days ago1712377060
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
475679472024-03-28 2:59:3251 days ago1711594772
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
474946562024-03-26 6:16:2353 days ago1711433783
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
473010982024-03-21 6:48:4758 days ago1711003727
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
470338672024-03-14 10:34:1665 days ago1710412456
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
469461362024-03-12 3:19:4867 days ago1710213588
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
469159312024-03-11 7:50:2168 days ago1710143421
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
467927292024-03-08 3:51:3671 days ago1709869896
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
467259012024-03-06 11:23:1973 days ago1709724199
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
466421882024-03-04 9:02:0275 days ago1709542922
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
465224792024-03-01 6:31:2178 days ago1709274681
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
465193342024-03-01 4:38:2378 days ago1709267903
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
461586142024-02-21 2:13:4587 days ago1708481625
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
459395872024-02-15 8:42:2893 days ago1707986548
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
458670882024-02-13 10:15:2195 days ago1707819321
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
457908972024-02-11 7:54:0997 days ago1707638049
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
456526732024-02-07 13:03:18101 days ago1707310998
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
455850452024-02-05 19:49:34102 days ago1707162574
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
455850332024-02-05 19:49:08102 days ago1707162548
0xAa9CD583...0e9A096b4
 Contract Creation0 MATIC
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xb27F7B02...C39010672
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
ERC1155RaribleFactoryC2

Compiler Version
v0.7.6+commit.7338295f

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 41 : ERC1155RaribleFactoryC2.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;
pragma abicoder v2;

import "../erc-1155/ERC1155Rarible.sol";
import "@openzeppelin/contracts/proxy/BeaconProxy.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

/**
 * @dev This contract is for creating proxy to access ERC1155Rarible token.
 *
 * The beacon should be initialized before call ERC1155RaribleFactoryC2 constructor.
 *
 */
contract ERC1155RaribleFactoryC2 is Ownable{
    address public beacon;
    address transferProxy;
    address lazyTransferProxy;

    event Create1155RaribleProxy(address proxy);
    event Create1155RaribleUserProxy(address proxy);

    constructor(address _beacon, address _transferProxy, address _lazyTransferProxy) {
        beacon = _beacon;
        transferProxy = _transferProxy;
        lazyTransferProxy = _lazyTransferProxy;
    }

    function createToken(string memory _name, string memory _symbol, string memory baseURI, string memory contractURI, uint salt) external {        
        address beaconProxy = deployProxy(getData(_name, _symbol, baseURI, contractURI), salt);

        ERC1155Rarible token = ERC1155Rarible(beaconProxy);
        token.transferOwnership(_msgSender());
        emit Create1155RaribleProxy(beaconProxy);
    }
    
    function createToken(string memory _name, string memory _symbol, string memory baseURI, string memory contractURI, address[] memory operators, uint salt) external {
        address beaconProxy = deployProxy(getData(_name, _symbol, baseURI, contractURI, operators), salt);

        ERC1155Rarible token = ERC1155Rarible(address(beaconProxy));
        token.transferOwnership(_msgSender());
        emit Create1155RaribleUserProxy(beaconProxy);
    }

    //deploying BeaconProxy contract with create2
    function deployProxy(bytes memory data, uint salt) internal returns(address proxy){
        bytes memory bytecode = getCreationBytecode(data);
        assembly {
            proxy := create2(0, add(bytecode, 0x20), mload(bytecode), salt)
            if iszero(extcodesize(proxy)) {
                revert(0, 0)
            }
        }
    }

    //adding constructor arguments to BeaconProxy bytecode
    function getCreationBytecode(bytes memory _data) internal view returns (bytes memory) {
        return abi.encodePacked(type(BeaconProxy).creationCode, abi.encode(beacon, _data));
    }

    //returns address that contract with such arguments will be deployed on
    function getAddress(string memory _name, string memory _symbol, string memory baseURI, string memory contractURI, uint _salt)
        public
        view
        returns (address)
    {   
        bytes memory bytecode = getCreationBytecode(getData(_name, _symbol, baseURI, contractURI));

        bytes32 hash = keccak256(
            abi.encodePacked(bytes1(0xff), address(this), _salt, keccak256(bytecode))
        );

        return address(uint160(uint(hash)));
    }

    function getData(string memory _name, string memory _symbol, string memory baseURI, string memory contractURI) view internal returns(bytes memory){
        return abi.encodeWithSelector(ERC1155Rarible(0).__ERC1155Rarible_init.selector, _name, _symbol, baseURI, contractURI, transferProxy, lazyTransferProxy);
    }

    //returns address that contract with such arguments will be deployed on
    function getAddress(string memory _name, string memory _symbol, string memory baseURI, string memory contractURI, address[] memory operators, uint _salt)
        public
        view
        returns (address)
    {   
        bytes memory bytecode = getCreationBytecode(getData(_name, _symbol, baseURI, contractURI, operators));

        bytes32 hash = keccak256(
            abi.encodePacked(bytes1(0xff), address(this), _salt, keccak256(bytecode))
        );

        return address(uint160(uint(hash)));
    }

    function getData(string memory _name, string memory _symbol, string memory baseURI, string memory contractURI, address[] memory operators) view internal returns(bytes memory){
        return abi.encodeWithSelector(ERC1155Rarible(0).__ERC1155RaribleUser_init.selector, _name, _symbol, baseURI, contractURI, operators, transferProxy, lazyTransferProxy);
    }

}

File 2 of 41 : ERC1271Validator.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;

import "./ERC1271.sol";
import "@openzeppelin/contracts-upgradeable/drafts/EIP712Upgradeable.sol";
import "@rarible/libraries/contracts/LibSignature.sol";

abstract contract ERC1271Validator is EIP712Upgradeable {
    using AddressUpgradeable for address;
    using LibSignature for bytes32;

    string constant SIGNATURE_ERROR = "signature verification error";
    bytes4 constant internal MAGICVALUE = 0x1626ba7e;

    function validate1271(address signer, bytes32 structHash, bytes memory signature) internal view {
        bytes32 hash = _hashTypedDataV4(structHash);

        address signerFromSig;
        if (signature.length == 65) {
            signerFromSig = hash.recover(signature);
        }
        if  (signerFromSig != signer) {
            if (signer.isContract()) {
                require(
                    ERC1271(signer).isValidSignature(hash, signature) == MAGICVALUE,
                    SIGNATURE_ERROR
                );
            } else {
                revert(SIGNATURE_ERROR);
            }
        }
    }
    uint256[50] private __gap;
}

File 2 of 41 : ERC1271.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;

abstract contract ERC1271 {
    bytes4 constant public ERC1271_INTERFACE_ID = 0xfb855dc9; // this.isValidSignature.selector

    bytes4 constant public ERC1271_RETURN_VALID_SIGNATURE =   0x1626ba7e;
    bytes4 constant public ERC1271_RETURN_INVALID_SIGNATURE = 0x00000000;

    /**
    * @dev Function must be implemented by deriving contract
    * @param _hash Arbitrary length data signed on the behalf of address(this)
    * @param _signature Signature byte array associated with _data
    * @return A bytes4 magic value 0x1626ba7e if the signature check passes, 0x00000000 if not
    *
    * MUST NOT modify state (using STATICCALL for solc < 0.5, view modifier for solc > 0.5)
    * MUST allow external calls
    */
    function isValidSignature(bytes32 _hash, bytes memory _signature) public virtual view returns (bytes4);

    function returnIsValidSignatureMagicNumber(bool isValid) internal pure returns (bytes4) {
        return isValid ? ERC1271_RETURN_VALID_SIGNATURE : ERC1271_RETURN_INVALID_SIGNATURE;
    }
}

File 2 of 41 : Mint1155Validator.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;

import "../erc-1271/ERC1271Validator.sol";
import "@rarible/lazy-mint/contracts/erc-1155/LibERC1155LazyMint.sol";

contract Mint1155Validator is ERC1271Validator {
    function __Mint1155Validator_init_unchained() internal initializer {
        __EIP712_init_unchained("Mint1155", "1");
    }

    function validate(address account, bytes32 hash, bytes memory signature) internal view {
        validate1271(account, hash, signature);
    }
    uint256[50] private __gap;
}

File 2 of 41 : ERC1155Upgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155MetadataURIUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC1155/ERC1155ReceiverUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/introspection/ERC165Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/math/SafeMathUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/Initializable.sol";

/**
 *
 * @dev Implementation of the basic standard multi-token.
 * See https://eips.ethereum.org/EIPS/eip-1155
 * Originally based on code by Enjin: https://github.com/enjin/erc-1155
 *
 * _Available since v3.1._
 */
contract ERC1155Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC1155Upgradeable, IERC1155MetadataURIUpgradeable {
    using SafeMathUpgradeable for uint256;
    using AddressUpgradeable for address;

    // Mapping from token ID to account balances
    mapping (uint256 => mapping(address => uint256)) internal _balances;

    // Mapping from account to operator approvals
    mapping (address => mapping(address => bool)) private _operatorApprovals;

    // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json
    string private _uri;

    /*
     *     bytes4(keccak256('balanceOf(address,uint256)')) == 0x00fdd58e
     *     bytes4(keccak256('balanceOfBatch(address[],uint256[])')) == 0x4e1273f4
     *     bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465
     *     bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c5
     *     bytes4(keccak256('safeTransferFrom(address,address,uint256,uint256,bytes)')) == 0xf242432a
     *     bytes4(keccak256('safeBatchTransferFrom(address,address,uint256[],uint256[],bytes)')) == 0x2eb2c2d6
     *
     *     => 0x00fdd58e ^ 0x4e1273f4 ^ 0xa22cb465 ^
     *        0xe985e9c5 ^ 0xf242432a ^ 0x2eb2c2d6 == 0xd9b67a26
     */
    bytes4 private constant _INTERFACE_ID_ERC1155 = 0xd9b67a26;

    /*
     *     bytes4(keccak256('uri(uint256)')) == 0x0e89341c
     */
    bytes4 private constant _INTERFACE_ID_ERC1155_METADATA_URI = 0x0e89341c;

    /**
     * @dev See {_setURI}.
     */
    function __ERC1155_init(string memory uri_) internal initializer {
        __Context_init_unchained();
        __ERC165_init_unchained();
        __ERC1155_init_unchained(uri_);
    }

    function __ERC1155_init_unchained(string memory uri_) internal initializer {
        _setURI(uri_);

        // register the supported interfaces to conform to ERC1155 via ERC165
        _registerInterface(_INTERFACE_ID_ERC1155);

        // register the supported interfaces to conform to ERC1155MetadataURI via ERC165
        _registerInterface(_INTERFACE_ID_ERC1155_METADATA_URI);
    }

    /**
     * @dev See {IERC1155MetadataURI-uri}.
     *
     * This implementation returns the same URI for *all* token types. It relies
     * on the token type ID substitution mechanism
     * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
     *
     * Clients calling this function must replace the `\{id\}` substring with the
     * actual token type ID.
     */
    function uri(uint256) external view virtual override returns (string memory) {
        return _uri;
    }

    /**
     * @dev See {IERC1155-balanceOf}.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {
        require(account != address(0), "ERC1155: balance query for the zero address");
        return _balances[id][account];
    }

    /**
     * @dev See {IERC1155-balanceOfBatch}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(
        address[] memory accounts,
        uint256[] memory ids
    )
        public
        view
        virtual
        override
        returns (uint256[] memory)
    {
        require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch");

        uint256[] memory batchBalances = new uint256[](accounts.length);

        for (uint256 i = 0; i < accounts.length; ++i) {
            batchBalances[i] = balanceOf(accounts[i], ids[i]);
        }

        return batchBalances;
    }

    /**
     * @dev See {IERC1155-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        require(_msgSender() != operator, "ERC1155: setting approval status for self");

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC1155-isApprovedForAll}.
     */
    function isApprovedForAll(address account, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[account][operator];
    }

    /**
     * @dev See {IERC1155-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    )
        public
        virtual
        override
    {
        require(to != address(0), "ERC1155: transfer to the zero address");
        require(
            from == _msgSender() || isApprovedForAll(from, _msgSender()),
            "ERC1155: caller is not owner nor approved"
        );

        address operator = _msgSender();

        _beforeTokenTransfer(operator, from, to, _asSingletonArray(id), _asSingletonArray(amount), data);

        _balances[id][from] = _balances[id][from].sub(amount, "ERC1155: insufficient balance for transfer");
        _balances[id][to] = _balances[id][to].add(amount);

        emit TransferSingle(operator, from, to, id, amount);

        _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);
    }

    /**
     * @dev See {IERC1155-safeBatchTransferFrom}.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    )
        public
        virtual
        override
    {
        require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
        require(to != address(0), "ERC1155: transfer to the zero address");
        require(
            from == _msgSender() || isApprovedForAll(from, _msgSender()),
            "ERC1155: transfer caller is not owner nor approved"
        );

        address operator = _msgSender();

        _beforeTokenTransfer(operator, from, to, ids, amounts, data);

        for (uint256 i = 0; i < ids.length; ++i) {
            uint256 id = ids[i];
            uint256 amount = amounts[i];

            _balances[id][from] = _balances[id][from].sub(
                amount,
                "ERC1155: insufficient balance for transfer"
            );
            _balances[id][to] = _balances[id][to].add(amount);
        }

        emit TransferBatch(operator, from, to, ids, amounts);

        _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);
    }

    /**
     * @dev Sets a new URI for all token types, by relying on the token type ID
     * substitution mechanism
     * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
     *
     * By this mechanism, any occurrence of the `\{id\}` substring in either the
     * URI or any of the amounts in the JSON file at said URI will be replaced by
     * clients with the token type ID.
     *
     * For example, the `https://token-cdn-domain/\{id\}.json` URI would be
     * interpreted by clients as
     * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`
     * for token type ID 0x4cce0.
     *
     * See {uri}.
     *
     * Because these URIs cannot be meaningfully represented by the {URI} event,
     * this function emits no events.
     */
    function _setURI(string memory newuri) internal virtual {
        _uri = newuri;
    }

    /**
     * @dev Creates `amount` tokens of token type `id`, and assigns them to `account`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - If `account` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function _mint(address account, uint256 id, uint256 amount, bytes memory data) internal virtual {
        require(account != address(0), "ERC1155: mint to the zero address");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, address(0), account, _asSingletonArray(id), _asSingletonArray(amount), data);

        _balances[id][account] = _balances[id][account].add(amount);
        emit TransferSingle(operator, address(0), account, id, amount);

        _doSafeTransferAcceptanceCheck(operator, address(0), account, id, amount, data);
    }

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.
     *
     * 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 _mintBatch(address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data) internal virtual {
        require(to != address(0), "ERC1155: mint to the zero address");
        require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);

        for (uint i = 0; i < ids.length; i++) {
            _balances[ids[i]][to] = amounts[i].add(_balances[ids[i]][to]);
        }

        emit TransferBatch(operator, address(0), to, ids, amounts);

        _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
    }

    /**
     * @dev Destroys `amount` tokens of token type `id` from `account`
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens of token type `id`.
     */
    function _burn(address account, uint256 id, uint256 amount) internal virtual {
        require(account != address(0), "ERC1155: burn from the zero address");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, account, address(0), _asSingletonArray(id), _asSingletonArray(amount), "");

        _balances[id][account] = _balances[id][account].sub(
            amount,
            "ERC1155: burn amount exceeds balance"
        );

        emit TransferSingle(operator, account, address(0), id, amount);
    }

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     */
    function _burnBatch(address account, uint256[] memory ids, uint256[] memory amounts) internal virtual {
        require(account != address(0), "ERC1155: burn from the zero address");
        require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, account, address(0), ids, amounts, "");

        for (uint i = 0; i < ids.length; i++) {
            _balances[ids[i]][account] = _balances[ids[i]][account].sub(
                amounts[i],
                "ERC1155: burn amount exceeds balance"
            );
        }

        emit TransferBatch(operator, account, address(0), ids, amounts);
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning, as well as batched variants.
     *
     * The same hook is called on both single and batched variants. For single
     * transfers, the length of the `id` and `amount` arrays will be 1.
     *
     * Calling conditions (for each `id` and `amount` pair):
     *
     * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * of token type `id` will be  transferred to `to`.
     * - When `from` is zero, `amount` tokens of token type `id` will be minted
     * for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
     * will be burned.
     * - `from` and `to` are never both zero.
     * - `ids` and `amounts` have the same, non-zero length.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address operator,
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    )
        internal
        virtual
    { }

    function _doSafeTransferAcceptanceCheck(
        address operator,
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    )
        internal
    {
        if (to.isContract()) {
            try IERC1155ReceiverUpgradeable(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
                if (response != IERC1155ReceiverUpgradeable(to).onERC1155Received.selector) {
                    revert("ERC1155: ERC1155Receiver rejected tokens");
                }
            } catch Error(string memory reason) {
                revert(reason);
            } catch {
                revert("ERC1155: transfer to non ERC1155Receiver implementer");
            }
        }
    }

    function _doSafeBatchTransferAcceptanceCheck(
        address operator,
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    )
        private
    {
        if (to.isContract()) {
            try IERC1155ReceiverUpgradeable(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (bytes4 response) {
                if (response != IERC1155ReceiverUpgradeable(to).onERC1155BatchReceived.selector) {
                    revert("ERC1155: ERC1155Receiver rejected tokens");
                }
            } catch Error(string memory reason) {
                revert(reason);
            } catch {
                revert("ERC1155: transfer to non ERC1155Receiver implementer");
            }
        }
    }

    function _asSingletonArray(uint256 element) internal pure returns (uint256[] memory) {
        uint256[] memory array = new uint256[](1);
        array[0] = element;

        return array;
    }
    uint256[47] private __gap;
}

File 2 of 41 : ERC1155Rarible.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;
pragma abicoder v2;

import "./ERC1155Base.sol";

contract ERC1155Rarible is ERC1155Base {
    /// @dev true if collection is private, false if public
    bool isPrivate;

    event CreateERC1155Rarible(address owner, string name, string symbol);
    event CreateERC1155RaribleUser(address owner, string name, string symbol);

    function __ERC1155RaribleUser_init(string memory _name, string memory _symbol, string memory baseURI, string memory contractURI, address[] memory operators, address transferProxy, address lazyTransferProxy) external initializer {
        __ERC1155Rarible_init_unchained(_name, _symbol, baseURI, contractURI, transferProxy, lazyTransferProxy);
        for(uint i = 0; i < operators.length; i++) {
            setApprovalForAll(operators[i], true);
        }

        isPrivate = true;
        emit CreateERC1155RaribleUser(_msgSender(), _name, _symbol);
    }
    
    function __ERC1155Rarible_init(string memory _name, string memory _symbol, string memory baseURI, string memory contractURI, address transferProxy, address lazyTransferProxy) external initializer {
        __ERC1155Rarible_init_unchained(_name, _symbol, baseURI, contractURI, transferProxy, lazyTransferProxy);

        isPrivate = false;
        emit CreateERC1155Rarible(_msgSender(), _name, _symbol);
    }

    function __ERC1155Rarible_init_unchained(string memory _name, string memory _symbol, string memory baseURI, string memory contractURI, address transferProxy, address lazyTransferProxy) internal {
        __Ownable_init_unchained();
        __ERC1155Lazy_init_unchained();
        __ERC165_init_unchained();
        __Context_init_unchained();
        __Mint1155Validator_init_unchained();
        __ERC1155_init_unchained("");
        __HasContractURI_init_unchained(contractURI);
        __ERC1155Burnable_init_unchained();
        __RoyaltiesV2Upgradeable_init_unchained();
        __ERC1155Base_init_unchained(_name, _symbol);
        _setBaseURI(baseURI);

        //setting default approver for transferProxies
        _setDefaultApproval(transferProxy, true);
        _setDefaultApproval(lazyTransferProxy, true);
    }

    function mintAndTransfer(LibERC1155LazyMint.Mint1155Data memory data, address to, uint256 _amount) public override {
        if (isPrivate){
          require(owner() == data.creators[0].account, "minter is not the owner");
        }
        super.mintAndTransfer(data, to, _amount);
    }

    uint256[49] private __gap;
}

File 2 of 41 : ERC1155Lazy.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;
pragma abicoder v2;

import "./ERC1155Upgradeable.sol";
import "@rarible/royalties/contracts/impl/RoyaltiesV2Impl.sol";
import "@rarible/royalties-upgradeable/contracts/RoyaltiesV2Upgradeable.sol";
import "@rarible/lazy-mint/contracts/erc-1155/IERC1155LazyMint.sol";
import "./Mint1155Validator.sol";
import "./ERC1155BaseURI.sol";

abstract contract ERC1155Lazy is IERC1155LazyMint, ERC1155BaseURI, Mint1155Validator, RoyaltiesV2Upgradeable, RoyaltiesV2Impl {
    using SafeMathUpgradeable for uint;

    bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7;
    bytes4 private constant _INTERFACE_ID_ERC1155 = 0xd9b67a26;
    bytes4 private constant _INTERFACE_ID_ERC1155_METADATA_URI = 0x0e89341c;

    mapping(uint256 => LibPart.Part[]) public creators;
    mapping(uint => uint) private supply;
    mapping(uint => uint) private minted;

    function __ERC1155Lazy_init_unchained() internal initializer {

    }

    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165Upgradeable, ERC165Upgradeable) returns (bool) {
        return interfaceId == LibERC1155LazyMint._INTERFACE_ID_MINT_AND_TRANSFER
        || interfaceId == LibRoyaltiesV2._INTERFACE_ID_ROYALTIES
        || interfaceId == _INTERFACE_ID_ERC165
        || interfaceId == _INTERFACE_ID_ERC1155
        || interfaceId == _INTERFACE_ID_ERC1155_METADATA_URI;
    }

    function transferFromOrMint(
        LibERC1155LazyMint.Mint1155Data memory data,
        address from,
        address to,
        uint256 amount
    ) override external {
        uint balance = balanceOf(from, data.tokenId);
        uint left = amount;
        if (balance != 0) {
            uint transfer = amount;
            if (balance < amount) {
                transfer = balance;
            }
            safeTransferFrom(from, to, data.tokenId, transfer, "");
            left = amount - transfer;
        }
        if (left > 0) {
            mintAndTransfer(data, to, left);
        }
    }

    function mintAndTransfer(LibERC1155LazyMint.Mint1155Data memory data, address to, uint256 _amount) public override virtual {
        address minter = address(data.tokenId >> 96);
        address sender = _msgSender();

        require(minter == sender || isApprovedForAll(minter, sender), "ERC1155: transfer caller is not approved");
        require(_amount > 0, "amount incorrect");

        if (supply[data.tokenId] == 0) {
            require(minter == data.creators[0].account, "tokenId incorrect");
            require(data.supply > 0, "supply incorrect");
            require(data.creators.length == data.signatures.length);

            bytes32 hash = LibERC1155LazyMint.hash(data);
            for (uint i = 0; i < data.creators.length; i++) {
                address creator = data.creators[i].account;
                if (creator != sender) {
                    validate(creator, hash, data.signatures[i]);
                }
            }

            _saveSupply(data.tokenId, data.supply);
            _saveRoyalties(data.tokenId, data.royalties);
            _saveCreators(data.tokenId, data.creators);
            _setTokenURI(data.tokenId, data.tokenURI);
        }

        _mint(to, data.tokenId, _amount, "");
        if (minter != to) {
            emit TransferSingle(sender, address(0), minter, data.tokenId, _amount);
            emit TransferSingle(sender, minter, to, data.tokenId, _amount);
        } else {
            emit TransferSingle(sender, address(0), to, data.tokenId, _amount);
        }
    }

    function _mint(address account, uint256 id, uint256 amount, bytes memory data) internal virtual override {
        uint newMinted = amount.add(minted[id]);
        require(newMinted <= supply[id], "more than supply");
        minted[id] = newMinted;

        require(account != address(0), "ERC1155: mint to the zero address");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, address(0), account, _asSingletonArray(id), _asSingletonArray(amount), data);

        _balances[id][account] = _balances[id][account].add(amount);

        _doSafeTransferAcceptanceCheck(operator, address(0), account, id, amount, data);
    }

    function _saveSupply(uint tokenId, uint _supply) internal {
        require(supply[tokenId] == 0);
        supply[tokenId] = _supply;
        emit Supply(tokenId, _supply);
    }

    function _saveCreators(uint tokenId, LibPart.Part[] memory _creators) internal {
        LibPart.Part[] storage creatorsOfToken = creators[tokenId];
        uint total = 0;
        for (uint i = 0; i < _creators.length; i++) {
            require(_creators[i].account != address(0x0), "Account should be present");
            require(_creators[i].value != 0, "Creator share should be positive");
            creatorsOfToken.push(_creators[i]);
            total = total.add(_creators[i].value);
        }
        require(total == 10000, "total amount of creators share should be 10000");
        emit Creators(tokenId, _creators);
    }

    function updateAccount(uint256 _id, address _from, address _to) external {
        require(_msgSender() == _from, "not allowed");
        super._updateAccount(_id, _from, _to);
    }

    function getCreators(uint256 _id) external view returns (LibPart.Part[] memory) {
        return creators[_id];
    }

    function _addMinted(uint256 tokenId, uint amount) internal {
        minted[tokenId] += amount;
    }

    function _getMinted(uint256 tokenId) internal view returns (uint) {
        return minted[tokenId];
    }

    function _getSupply(uint256 tokenId) internal view returns (uint) {
        return supply[tokenId];
    }

    uint256[50] private __gap;
}

File 2 of 41 : ERC1155DefaultApproval.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;

import "./ERC1155Upgradeable.sol";

abstract contract ERC1155DefaultApproval is ERC1155Upgradeable {
    mapping(address => bool) private defaultApprovals;

    event DefaultApproval(address indexed operator, bool hasApproval);

    function _setDefaultApproval(address operator, bool hasApproval) internal {
        defaultApprovals[operator] = hasApproval;
        emit DefaultApproval(operator, hasApproval);
    }

    function isApprovedForAll(address _owner, address _operator) public virtual override view returns (bool) {
        return defaultApprovals[_operator] || super.isApprovedForAll(_owner, _operator);
    }
    uint256[50] private __gap;
}

File 2 of 41 : ERC1155BurnableUpgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./ERC1155Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/Initializable.sol";

/**
 * @dev Extension of {ERC1155} that allows token holders to destroy both their
 * own tokens and those that they have been approved to use.
 *
 * _Available since v3.1._
 */
abstract contract ERC1155BurnableUpgradeable is Initializable, ERC1155Upgradeable {
    function __ERC1155Burnable_init() internal initializer {
        __Context_init_unchained();
        __ERC165_init_unchained();
        __ERC1155Burnable_init_unchained();
    }

    function __ERC1155Burnable_init_unchained() internal initializer {
    }
    function burn(address account, uint256 id, uint256 value) public virtual {
        require(
            account == _msgSender() || isApprovedForAll(account, _msgSender()),
            "ERC1155: caller is not owner nor approved"
        );

        _burn(account, id, value);
    }

    function burnBatch(address account, uint256[] memory ids, uint256[] memory values) public virtual {
        require(
            account == _msgSender() || isApprovedForAll(account, _msgSender()),
            "ERC1155: caller is not owner nor approved"
        );

        _burnBatch(account, ids, values);
    }
    uint256[50] private __gap;
}

File 2 of 41 : ERC1155BaseURI.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;

import "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol";
import "../LibURI.sol";

import "./ERC1155Upgradeable.sol";

contract ERC1155BaseURI is ERC1155Upgradeable {
    using StringsUpgradeable for uint;

    // Optional mapping for token URIs
    mapping (uint256 => string) private _tokenURIs;

    // Base URI
    string private _baseURI;

    /**
    * @dev Returns the base URI set via {_setBaseURI}. This will be
    * automatically added as a prefix in {tokenURI} to each token's URI, or
    * to the token ID if no specific URI is set for that token ID.
    */
    function baseURI() public view virtual returns (string memory) {
        return _baseURI;
    }

    function uri(uint id) external view override virtual returns (string memory) {
        return _tokenURI(id);
    }

    function _tokenURI(uint256 tokenId) internal view virtual returns (string memory) {
        string memory _tokenURI = _tokenURIs[tokenId];
        string memory base = baseURI();

        // If there is no base URI, return the token URI.
        if (bytes(base).length == 0) {
            return _tokenURI;
        }
        // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
        if (bytes(_tokenURI).length > 0) {
            return LibURI.checkPrefix(base, _tokenURI);
        }
        // If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI.
        return string(abi.encodePacked(base, tokenId.toString()));
    }

    /**
     * @dev Sets `_tokenURI` as the tokenURI of `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _setTokenURI(uint256 tokenId, string memory _uri) internal virtual {
        _tokenURIs[tokenId] = _uri;
        emit URI(_tokenURI(tokenId), tokenId);
    }

    /**
     * @dev Internal function to set the base URI for all token IDs. It is
     * automatically added as a prefix to the value returned in {tokenURI},
     * or to the token ID if {tokenURI} is empty.
     */
    function _setBaseURI(string memory baseURI_) internal virtual {
        _baseURI = baseURI_;
    }

    uint256[50] private __gap;
}

File 2 of 41 : ERC1155Base.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;
pragma abicoder v2;

import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import "./ERC1155BurnableUpgradeable.sol";
import "./ERC1155DefaultApproval.sol";
import "./ERC1155Lazy.sol";
import "../HasContractURI.sol";

abstract contract ERC1155Base is OwnableUpgradeable, ERC1155DefaultApproval, ERC1155BurnableUpgradeable, ERC1155Lazy, HasContractURI {
    string public name;
    string public symbol;

    event BurnLazy(address indexed operator, address indexed account, uint256 id, uint256 amount);
    event BurnLazyBatch(address indexed operator, address indexed account, uint256[] ids, uint256[] amounts);

    function isApprovedForAll(address _owner, address _operator) public override(ERC1155Upgradeable, ERC1155DefaultApproval, IERC1155Upgradeable) view returns (bool) {
        return ERC1155DefaultApproval.isApprovedForAll(_owner, _operator);
    }

    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC1155Lazy, ERC165Upgradeable) returns (bool) {
        return super.supportsInterface(interfaceId);
    }

    function burnBatch(address account, uint256[] memory ids, uint256[] memory amounts) public virtual override {
        require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
        uint256[] memory leftToBurns = new uint256[](ids.length);
        uint256[] memory lazyToBurns = new uint256[](ids.length);
        for (uint i = 0; i < ids.length; i++) {
            (leftToBurns[i], lazyToBurns[i]) = _burnLazy(ids[i], amounts[i]);
        }
        ERC1155BurnableUpgradeable.burnBatch(account, ids, leftToBurns);
        emit BurnLazyBatch(_msgSender(), account, ids, lazyToBurns);
    }

    function burn(address account, uint256 id, uint256 amount) public virtual override {
        (uint256 leftToBurn, uint256 lazyToBurn) = _burnLazy(id, amount);
        if (leftToBurn > 0) {
            //token exists, burn Minted
            ERC1155BurnableUpgradeable.burn(account, id, leftToBurn);
        }
        if (lazyToBurn > 0) {
            emit BurnLazy(_msgSender(), account, id, lazyToBurn);
        }

    }

    function _burnLazy(uint256 id, uint256 amount) internal returns (uint256 leftToBurn, uint256 lazyToBurn) {
        leftToBurn = amount;
        lazyToBurn = 0;
        address creator = address(id >> 96);
        if (creator == _msgSender()) {
            lazyToBurn = amount;
            uint supply = ERC1155Lazy._getSupply(id);
            if (supply != 0) {
                //calculate Lazy amount available for burn
                uint256 lazyBalance = supply - ERC1155Lazy._getMinted(id);
                if (amount > lazyBalance) {//need to burn more than available
                    lazyToBurn = lazyBalance;
                }
            }
            ERC1155Lazy._addMinted(id, lazyToBurn);
            leftToBurn = amount - lazyToBurn;
        }
    }

    function _mint(address account, uint256 id, uint256 amount, bytes memory data) internal virtual override(ERC1155Upgradeable, ERC1155Lazy) {
        ERC1155Lazy._mint(account, id, amount, data);
    }

    function __ERC1155Base_init_unchained(string memory _name, string memory _symbol) internal initializer {
        name = _name;
        symbol = _symbol;
    }

    function uri(uint id) external view override(ERC1155BaseURI, ERC1155Upgradeable) virtual returns (string memory) {
        return _tokenURI(id);
    }

    uint256[50] private __gap;
}

File 2 of 41 : LibURI.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;

library LibURI {
    /// @dev checks if _tokenURI starts with base. if true returns _tokenURI, else base + _tokenURI
    function checkPrefix(string memory base, string memory _tokenURI)
        internal
        pure
        returns (string memory)
    {
        bytes memory whatBytes = bytes(base);
        bytes memory whereBytes = bytes(_tokenURI);

        if (whatBytes.length > whereBytes.length) {
            return string(abi.encodePacked(base, _tokenURI));
        }

        for (uint256 j = 0; j < whatBytes.length; j++) {
            if (whereBytes[j] != whatBytes[j]) {
                return string(abi.encodePacked(base, _tokenURI));
            }
        }

        return _tokenURI;
    }
}

File 2 of 41 : HasContractURI.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;

import "@openzeppelin/contracts-upgradeable/introspection/ERC165Upgradeable.sol";

abstract contract HasContractURI is ERC165Upgradeable {

    string public contractURI;

    /*
     * bytes4(keccak256('contractURI()')) == 0xe8a3d485
     */
    bytes4 private constant _INTERFACE_ID_CONTRACT_URI = 0xe8a3d485;

    function __HasContractURI_init_unchained(string memory _contractURI) internal initializer {
        contractURI = _contractURI;
        _registerInterface(_INTERFACE_ID_CONTRACT_URI);
    }

    /**
     * @dev Internal function to set the contract URI
     * @param _contractURI string URI prefix to assign
     */
    function _setContractURI(string memory _contractURI) internal {
        contractURI = _contractURI;
    }

    uint256[49] private __gap;
}

File 2 of 41 : RoyaltiesV2Impl.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;
pragma abicoder v2;

import "./AbstractRoyalties.sol";
import "../RoyaltiesV2.sol";

contract RoyaltiesV2Impl is AbstractRoyalties, RoyaltiesV2 {

    function getRaribleV2Royalties(uint256 id) override external view returns (LibPart.Part[] memory) {
        return royalties[id];
    }

    function _onRoyaltiesSet(uint256 id, LibPart.Part[] memory _royalties) override internal {
        emit RoyaltiesSet(id, _royalties);
    }
}

File 2 of 41 : AbstractRoyalties.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

import "../LibPart.sol";

abstract contract AbstractRoyalties {
    mapping (uint256 => LibPart.Part[]) internal royalties;

    function _saveRoyalties(uint256 id, LibPart.Part[] memory _royalties) internal {
        uint256 totalValue;
        for (uint i = 0; i < _royalties.length; i++) {
            require(_royalties[i].account != address(0x0), "Recipient should be present");
            require(_royalties[i].value != 0, "Royalty value should be positive");
            totalValue += _royalties[i].value;
            royalties[id].push(_royalties[i]);
        }
        require(totalValue < 10000, "Royalty total value should be < 10000");
        _onRoyaltiesSet(id, _royalties);
    }

    function _updateAccount(uint256 _id, address _from, address _to) internal {
        uint length = royalties[_id].length;
        for(uint i = 0; i < length; i++) {
            if (royalties[_id][i].account == _from) {
                royalties[_id][i].account = address(uint160(_to));
            }
        }
    }

    function _onRoyaltiesSet(uint256 id, LibPart.Part[] memory _royalties) virtual internal;
}

File 2 of 41 : RoyaltiesV2.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;
pragma abicoder v2;

import "./LibPart.sol";

interface RoyaltiesV2 {
    event RoyaltiesSet(uint256 tokenId, LibPart.Part[] royalties);

    function getRaribleV2Royalties(uint256 id) external view returns (LibPart.Part[] memory);
}

File 2 of 41 : LibRoyaltiesV2.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

library LibRoyaltiesV2 {
    /*
     * bytes4(keccak256('getRaribleV2Royalties(uint256)')) == 0xcad96cca
     */
    bytes4 constant _INTERFACE_ID_ROYALTIES = 0xcad96cca;
}

File 2 of 41 : LibPart.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

library LibPart {
    bytes32 public constant TYPE_HASH = keccak256("Part(address account,uint96 value)");

    struct Part {
        address payable account;
        uint96 value;
    }

    function hash(Part memory part) internal pure returns (bytes32) {
        return keccak256(abi.encode(TYPE_HASH, part.account, part.value));
    }
}

File 2 of 41 : RoyaltiesV2Upgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;
pragma abicoder v2;

import "@openzeppelin/contracts-upgradeable/introspection/ERC165Upgradeable.sol";
import "@rarible/royalties/contracts/LibRoyaltiesV2.sol";
import "@rarible/royalties/contracts/RoyaltiesV2.sol";

abstract contract RoyaltiesV2Upgradeable is ERC165Upgradeable, RoyaltiesV2 {
    function __RoyaltiesV2Upgradeable_init_unchained() internal initializer {
        _registerInterface(LibRoyaltiesV2._INTERFACE_ID_ROYALTIES);
    }
}

File 2 of 41 : LibSignature.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

library LibSignature {
    /**
     * @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)
    {
        // Check the signature length
        if (signature.length != 65) {
            revert("ECDSA: invalid signature length");
        }

        // Divide the signature in r, s and v variables
        bytes32 r;
        bytes32 s;
        uint8 v;

        // ecrecover takes the signature parameters, and the only way to get them
        // currently is to use assembly.
        // solhint-disable-next-line no-inline-assembly
        assembly {
            r := mload(add(signature, 0x20))
            s := mload(add(signature, 0x40))
            v := byte(0, mload(add(signature, 0x60)))
        }

        return recover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover-bytes32-bytes-} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        // 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 (281): 0 < s < secp256k1n ÷ 2 + 1, and for v in (282): 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.
        require(
            uint256(s) <=
                0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0,
            "ECDSA: invalid signature 's' value"
        );

        // If the signature is valid (and not malleable), return the signer address
        // v > 30 is a special case, we need to adjust hash with "\x19Ethereum Signed Message:\n32"
        // and v = v - 4
        address signer;
        if (v > 30) {
            require(
                v - 4 == 27 || v - 4 == 28,
                "ECDSA: invalid signature 'v' value"
            );
            signer = ecrecover(toEthSignedMessageHash(hash), v - 4, r, s);
        } else {
            require(v == 27 || v == 28, "ECDSA: invalid signature 'v' value");
            signer = ecrecover(hash, v, r, s);
        }

        require(signer != address(0), "ECDSA: invalid signature");

        return signer;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * replicates the behavior of the
     * https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_sign[`eth_sign`]
     * JSON-RPC method.
     *
     * 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)
            );
    }
}

File 2 of 41 : LibERC1155LazyMint.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

import "@rarible/royalties/contracts/LibPart.sol";

library LibERC1155LazyMint {
    bytes4 constant public ERC1155_LAZY_ASSET_CLASS = bytes4(keccak256("ERC1155_LAZY"));
    bytes4 constant _INTERFACE_ID_MINT_AND_TRANSFER = 0x6db15a0f;

    struct Mint1155Data {
        uint tokenId;
        string tokenURI;
        uint supply;
        LibPart.Part[] creators;
        LibPart.Part[] royalties;
        bytes[] signatures;
    }

    bytes32 public constant MINT_AND_TRANSFER_TYPEHASH = keccak256("Mint1155(uint256 tokenId,uint256 supply,string tokenURI,Part[] creators,Part[] royalties)Part(address account,uint96 value)");

    function hash(Mint1155Data memory data) internal pure returns (bytes32) {
        bytes32[] memory royaltiesBytes = new bytes32[](data.royalties.length);
        for (uint i = 0; i < data.royalties.length; i++) {
            royaltiesBytes[i] = LibPart.hash(data.royalties[i]);
        }
        bytes32[] memory creatorsBytes = new bytes32[](data.creators.length);
        for (uint i = 0; i < data.creators.length; i++) {
            creatorsBytes[i] = LibPart.hash(data.creators[i]);
        }
        return keccak256(abi.encode(
                MINT_AND_TRANSFER_TYPEHASH,
                data.tokenId,
                data.supply,
                keccak256(bytes(data.tokenURI)),
                keccak256(abi.encodePacked(creatorsBytes)),
                keccak256(abi.encodePacked(royaltiesBytes))
            ));
    }
}

File 2 of 41 : IERC1155LazyMint.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;
pragma abicoder v2;

import "@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155Upgradeable.sol";
import "./LibERC1155LazyMint.sol";
import "@rarible/royalties/contracts/LibPart.sol";

interface IERC1155LazyMint is IERC1155Upgradeable {

    event Supply(
        uint256 tokenId,
        uint256 value
    );
    event Creators(
        uint256 tokenId,
        LibPart.Part[] creators
    );

    function mintAndTransfer(
        LibERC1155LazyMint.Mint1155Data memory data,
        address to,
        uint256 _amount
    ) external;

    function transferFromOrMint(
        LibERC1155LazyMint.Mint1155Data memory data,
        address from,
        address to,
        uint256 amount
    ) external;
}

File 2 of 41 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 GSN 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 payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

File 2 of 41 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

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

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 2 of 41 : Proxy.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 { revert(0, returndatasize()) }
            default { return(0, returndatasize()) }
        }
    }

    /**
     * @dev This is a virtual function that should be overriden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback () external payable virtual {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive () external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overriden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {
    }
}

File 2 of 41 : IBeacon.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

File 2 of 41 : BeaconProxy.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./Proxy.sol";
import "../utils/Address.sol";
import "./IBeacon.sol";

/**
 * @dev This contract implements a proxy that gets the implementation address for each call from a {UpgradeableBeacon}.
 *
 * The beacon address is stored in storage slot `uint256(keccak256('eip1967.proxy.beacon')) - 1`, so that it doesn't
 * conflict with the storage layout of the implementation behind the proxy.
 *
 * _Available since v3.4._
 */
contract BeaconProxy is Proxy {
    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
     */
    bytes32 private constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    /**
     * @dev Initializes the proxy with `beacon`.
     *
     * If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon. This
     * will typically be an encoded function call, and allows initializating the storage of the proxy like a Solidity
     * constructor.
     *
     * Requirements:
     *
     * - `beacon` must be a contract with the interface {IBeacon}.
     */
    constructor(address beacon, bytes memory data) public payable {
        assert(_BEACON_SLOT == bytes32(uint256(keccak256("eip1967.proxy.beacon")) - 1));
        _setBeacon(beacon, data);
    }

    /**
     * @dev Returns the current beacon address.
     */
    function _beacon() internal view virtual returns (address beacon) {
        bytes32 slot = _BEACON_SLOT;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            beacon := sload(slot)
        }
    }

    /**
     * @dev Returns the current implementation address of the associated beacon.
     */
    function _implementation() internal view virtual override returns (address) {
        return IBeacon(_beacon()).implementation();
    }

    /**
     * @dev Changes the proxy to use a new beacon.
     *
     * If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon.
     *
     * Requirements:
     *
     * - `beacon` must be a contract.
     * - The implementation returned by `beacon` must be a contract.
     */
    function _setBeacon(address beacon, bytes memory data) internal virtual {
        require(
            Address.isContract(beacon),
            "BeaconProxy: beacon is not a contract"
        );
        require(
            Address.isContract(IBeacon(beacon).implementation()),
            "BeaconProxy: beacon implementation is not a contract"
        );
        bytes32 slot = _BEACON_SLOT;

        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(slot, beacon)
        }

        if (data.length > 0) {
            Address.functionDelegateCall(_implementation(), data, "BeaconProxy: function call failed");
        }
    }
}

File 2 of 41 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        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 {
        emit OwnershipTransferred(_owner, address(0));
        _owner = 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");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

File 2 of 41 : StringsUpgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev String operations.
 */
library StringsUpgradeable {
    /**
     * @dev Converts a `uint256` to its ASCII `string` 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);
        uint256 index = digits - 1;
        temp = value;
        while (temp != 0) {
            buffer[index--] = bytes1(uint8(48 + temp % 10));
            temp /= 10;
        }
        return string(buffer);
    }
}

File 2 of 41 : ContextUpgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;
import "../proxy/Initializable.sol";

/*
 * @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 GSN 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 ContextUpgradeable is Initializable {
    function __Context_init() internal initializer {
        __Context_init_unchained();
    }

    function __Context_init_unchained() internal initializer {
    }
    function _msgSender() internal view virtual returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
    uint256[50] private __gap;
}

File 2 of 41 : AddressUpgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library AddressUpgradeable {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

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

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 2 of 41 : IERC1155Upgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

import "../../introspection/IERC165Upgradeable.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 IERC1155Upgradeable is IERC165Upgradeable {
    /**
     * @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 be 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 2 of 41 : IERC1155ReceiverUpgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../../introspection/IERC165Upgradeable.sol";

/**
 * _Available since v3.1._
 */
interface IERC1155ReceiverUpgradeable is IERC165Upgradeable {

    /**
        @dev Handles the receipt of a single ERC1155 token type. This function is
        called at the end of a `safeTransferFrom` after the balance has been updated.
        To accept the transfer, this must return
        `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
        (i.e. 0xf23a6e61, or its own function selector).
        @param operator The address which initiated the transfer (i.e. msg.sender)
        @param from The address which previously owned the token
        @param id The ID of the token being transferred
        @param value The amount of tokens being transferred
        @param data Additional data with no specified format
        @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
    */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    )
        external
        returns(bytes4);

    /**
        @dev Handles the receipt of a multiple ERC1155 token types. This function
        is called at the end of a `safeBatchTransferFrom` after the balances have
        been updated. To accept the transfer(s), this must return
        `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
        (i.e. 0xbc197c81, or its own function selector).
        @param operator The address which initiated the batch transfer (i.e. msg.sender)
        @param from The address which previously owned the token
        @param ids An array containing ids of each token being transferred (order and length must match values array)
        @param values An array containing amounts of each token being transferred (order and length must match ids array)
        @param data Additional data with no specified format
        @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
    */
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    )
        external
        returns(bytes4);
}

File 2 of 41 : IERC1155MetadataURIUpgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

import "./IERC1155Upgradeable.sol";

/**
 * @dev Interface of the optional ERC1155MetadataExtension interface, as defined
 * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155MetadataURIUpgradeable is IERC1155Upgradeable {
    /**
     * @dev Returns the URI for token type `id`.
     *
     * If the `\{id\}` substring is present in the URI, it must be replaced by
     * clients with the actual token type ID.
     */
    function uri(uint256 id) external view returns (string memory);
}

File 2 of 41 : ERC1155ReceiverUpgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./IERC1155ReceiverUpgradeable.sol";
import "../../introspection/ERC165Upgradeable.sol";
import "../../proxy/Initializable.sol";

/**
 * @dev _Available since v3.1._
 */
abstract contract ERC1155ReceiverUpgradeable is Initializable, ERC165Upgradeable, IERC1155ReceiverUpgradeable {
    function __ERC1155Receiver_init() internal initializer {
        __ERC165_init_unchained();
        __ERC1155Receiver_init_unchained();
    }

    function __ERC1155Receiver_init_unchained() internal initializer {
        _registerInterface(
            ERC1155ReceiverUpgradeable(address(0)).onERC1155Received.selector ^
            ERC1155ReceiverUpgradeable(address(0)).onERC1155BatchReceived.selector
        );
    }
    uint256[50] private __gap;
}

File 2 of 41 : Initializable.sol
// SPDX-License-Identifier: MIT

// solhint-disable-next-line compiler-version
pragma solidity >=0.4.24 <0.8.0;

import "../utils/AddressUpgradeable.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {UpgradeableProxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 */
abstract contract Initializable {

    /**
     * @dev Indicates that the contract has been initialized.
     */
    bool private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Modifier to protect an initializer function from being invoked twice.
     */
    modifier initializer() {
        require(_initializing || _isConstructor() || !_initialized, "Initializable: contract is already initialized");

        bool isTopLevelCall = !_initializing;
        if (isTopLevelCall) {
            _initializing = true;
            _initialized = true;
        }

        _;

        if (isTopLevelCall) {
            _initializing = false;
        }
    }

    /// @dev Returns true if and only if the function is running in the constructor
    function _isConstructor() private view returns (bool) {
        return !AddressUpgradeable.isContract(address(this));
    }
}

File 2 of 41 : SafeMathUpgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMathUpgradeable {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) return (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

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

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

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

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

File 2 of 41 : IERC165Upgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 IERC165Upgradeable {
    /**
     * @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 2 of 41 : ERC165Upgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./IERC165Upgradeable.sol";
import "../proxy/Initializable.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts may inherit from this and call {_registerInterface} to declare
 * their support of an interface.
 */
abstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable {
    /*
     * bytes4(keccak256('supportsInterface(bytes4)')) == 0x01ffc9a7
     */
    bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7;

    /**
     * @dev Mapping of interface ids to whether or not it's supported.
     */
    mapping(bytes4 => bool) private _supportedInterfaces;

    function __ERC165_init() internal initializer {
        __ERC165_init_unchained();
    }

    function __ERC165_init_unchained() internal initializer {
        // Derived contracts need only register support for their own interfaces,
        // we register support for ERC165 itself here
        _registerInterface(_INTERFACE_ID_ERC165);
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     *
     * Time complexity O(1), guaranteed to always use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return _supportedInterfaces[interfaceId];
    }

    /**
     * @dev Registers the contract as an implementer of the interface defined by
     * `interfaceId`. Support of the actual ERC165 interface is automatic and
     * registering its interface id is not required.
     *
     * See {IERC165-supportsInterface}.
     *
     * Requirements:
     *
     * - `interfaceId` cannot be the ERC165 invalid interface (`0xffffffff`).
     */
    function _registerInterface(bytes4 interfaceId) internal virtual {
        require(interfaceId != 0xffffffff, "ERC165: invalid interface id");
        _supportedInterfaces[interfaceId] = true;
    }
    uint256[49] private __gap;
}

File 2 of 41 : EIP712Upgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;
import "../proxy/Initializable.sol";

/**
 * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.
 *
 * The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible,
 * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding
 * they need in their contracts using a combination of `abi.encode` and `keccak256`.
 *
 * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding
 * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA
 * ({_hashTypedDataV4}).
 *
 * The implementation of the domain separator was designed to be as efficient as possible while still properly updating
 * the chain id to protect against replay attacks on an eventual fork of the chain.
 *
 * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method
 * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].
 *
 * _Available since v3.4._
 */
abstract contract EIP712Upgradeable is Initializable {
    /* solhint-disable var-name-mixedcase */
    bytes32 private _HASHED_NAME;
    bytes32 private _HASHED_VERSION;
    bytes32 private constant _TYPE_HASH = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");
    /* solhint-enable var-name-mixedcase */

    /**
     * @dev Initializes the domain separator and parameter caches.
     *
     * The meaning of `name` and `version` is specified in
     * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:
     *
     * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.
     * - `version`: the current major version of the signing domain.
     *
     * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart
     * contract upgrade].
     */
    function __EIP712_init(string memory name, string memory version) internal initializer {
        __EIP712_init_unchained(name, version);
    }

    function __EIP712_init_unchained(string memory name, string memory version) internal initializer {
        bytes32 hashedName = keccak256(bytes(name));
        bytes32 hashedVersion = keccak256(bytes(version));
        _HASHED_NAME = hashedName;
        _HASHED_VERSION = hashedVersion;
    }

    /**
     * @dev Returns the domain separator for the current chain.
     */
    function _domainSeparatorV4() internal view returns (bytes32) {
        return _buildDomainSeparator(_TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash());
    }

    function _buildDomainSeparator(bytes32 typeHash, bytes32 name, bytes32 version) private view returns (bytes32) {
        return keccak256(
            abi.encode(
                typeHash,
                name,
                version,
                _getChainId(),
                address(this)
            )
        );
    }

    /**
     * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this
     * function returns the hash of the fully encoded EIP712 message for this domain.
     *
     * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:
     *
     * ```solidity
     * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(
     *     keccak256("Mail(address to,string contents)"),
     *     mailTo,
     *     keccak256(bytes(mailContents))
     * )));
     * address signer = ECDSA.recover(digest, signature);
     * ```
     */
    function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", _domainSeparatorV4(), structHash));
    }

    function _getChainId() private view returns (uint256 chainId) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        // solhint-disable-next-line no-inline-assembly
        assembly {
            chainId := chainid()
        }
    }

    /**
     * @dev The hash of the name parameter for the EIP712 domain.
     *
     * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
     * are a concern.
     */
    function _EIP712NameHash() internal virtual view returns (bytes32) {
        return _HASHED_NAME;
    }

    /**
     * @dev The hash of the version parameter for the EIP712 domain.
     *
     * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
     * are a concern.
     */
    function _EIP712VersionHash() internal virtual view returns (bytes32) {
        return _HASHED_VERSION;
    }
    uint256[50] private __gap;
}

File 2 of 41 : OwnableUpgradeable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../utils/ContextUpgradeable.sol";
import "../proxy/Initializable.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 OwnableUpgradeable is Initializable, ContextUpgradeable {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    function __Ownable_init() internal initializer {
        __Context_init_unchained();
        __Ownable_init_unchained();
    }

    function __Ownable_init_unchained() internal initializer {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        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 {
        emit OwnershipTransferred(_owner, address(0));
        _owner = 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");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
    uint256[49] private __gap;
}

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

Contract ABI

[{"inputs":[{"internalType":"address","name":"_beacon","type":"address"},{"internalType":"address","name":"_transferProxy","type":"address"},{"internalType":"address","name":"_lazyTransferProxy","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"proxy","type":"address"}],"name":"Create1155RaribleProxy","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"proxy","type":"address"}],"name":"Create1155RaribleUserProxy","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"beacon","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"string","name":"baseURI","type":"string"},{"internalType":"string","name":"contractURI","type":"string"},{"internalType":"address[]","name":"operators","type":"address[]"},{"internalType":"uint256","name":"salt","type":"uint256"}],"name":"createToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"string","name":"baseURI","type":"string"},{"internalType":"string","name":"contractURI","type":"string"},{"internalType":"uint256","name":"salt","type":"uint256"}],"name":"createToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"string","name":"baseURI","type":"string"},{"internalType":"string","name":"contractURI","type":"string"},{"internalType":"address[]","name":"operators","type":"address[]"},{"internalType":"uint256","name":"_salt","type":"uint256"}],"name":"getAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"string","name":"baseURI","type":"string"},{"internalType":"string","name":"contractURI","type":"string"},{"internalType":"uint256","name":"_salt","type":"uint256"}],"name":"getAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"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":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

Deployed Bytecode

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Block Transaction Difficulty Gas Used Reward
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Block Uncle Number Difficulty Gas Used Reward
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Txn Hash Block Value Eth2 PubKey Valid
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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.