Contract 0x2d0d9b4075e231bff33141d69df49ffcf3be7642 2

 
 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x26d2be1494f7145cdc0a57e56fc605408a67a468fcffec9643b60867e3c1037fExecute Meta Tra...301831742022-06-30 17:19:5415 hrs 17 mins ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.0094514125.6
0x896dcd64d24e6347a35a71a06f3823a82bfd53aaa395205ed01ca576f55a1731Execute Meta Tra...301831632022-06-30 17:19:2815 hrs 18 mins ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.0064564585.8
0x698e3d3b365c3f4a6b0109862467de524bb25aab8c839a5d1d0dd17a47161167Execute Meta Tra...301801132022-06-30 15:28:1317 hrs 9 mins ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.02295125305
0x2dc08101feea78a3bca1d569cd13e28b9691be21cf71b67eadab90d810032f95Execute Meta Tra...301800862022-06-30 15:27:1517 hrs 10 mins ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.0151529332201.4
0x14b22a634f1cbbffdb14a718a01562c3afc2c5a6ab70ac1af8c17035b2798ea6Execute Meta Tra...301800132022-06-30 15:24:4517 hrs 13 mins ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.00769055102.2
0x267373eb1089cfc5814fcfc493da76273ac6e09af840464b96bdd496f5560517Execute Meta Tra...301799962022-06-30 15:24:1117 hrs 13 mins ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.007434798.8
0x5f8fe517f32453303e98b8bc9b91b8190b47d77b347b4af1f88c5b1db1cca061Execute Meta Tra...301799782022-06-30 15:23:3517 hrs 14 mins ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.007073594
0xf4b0b21d2276c3607754de50ae8b24e462b23b93fa7184972f58a308b6747282Execute Meta Tra...301795172022-06-30 15:07:3717 hrs 30 mins ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.0125216166.4
0x6fe950780c66e8ec5f828e1b6069871980df36c1b38817ba752010a36b643218Execute Meta Tra...301795112022-06-30 15:07:1317 hrs 30 mins ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.0124313165.2
0x04e140216c9f8b991794b2ff73332712e9548e4e74d3bf8e97f20109fcb36f07Execute Meta Tra...301795052022-06-30 15:06:4917 hrs 31 mins ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.01018885135.4
0xb88958c420963f4e9d9ab7894cb32bd06f0163185aa794f0b864c0ae48bdd617Execute Meta Tra...301794902022-06-30 15:05:4917 hrs 32 mins ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.01277745169.8
0x22919a8229948be09d6f784a55274c3d492b333ebd0aecdc3c2e9bb85991b3a6Execute Meta Tra...301630302022-06-30 5:06:361 day 3 hrs ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.013392364178
0xa5b6089fd119bf53b8233daae53f575cfa37e5adb42f2959c69bb864112a03e9Execute Meta Tra...301630172022-06-30 5:06:101 day 3 hrs ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.0128226170.4
0xcfdd082c78c7f91dc752b476162091e072703f82402229cb62da74333adbb6c6Execute Meta Tra...301630072022-06-30 5:05:461 day 3 hrs ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.0117220804155.8
0xf76b82af3b56c9765ccd4d216fc7b091b92ced9871aafab786e467b79f4d3d5fExecute Meta Tra...301629982022-06-30 5:05:101 day 3 hrs ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.010324299999137.199999998
0x01af3cb37a9d3b5a39e2b179da348714639f2eae04c2756995d49f81539632d0Execute Meta Tra...301629912022-06-30 5:04:421 day 3 hrs ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.01097145145.8
0x66627ef5da91e7aebd613b1b3e73a3e0ce0d108f13d01605bc5afc09710a541bExecute Meta Tra...301629852022-06-30 5:04:181 day 3 hrs ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.0094815126
0x7abce458a0a093a873336a93bc51869c76cd7a2e2bd105c16a1810b350818ea9Execute Meta Tra...300609252022-06-27 13:35:303 days 19 hrs ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.0203561556270.6
0x7d5dc3ca27402ecaa5ea8e4dd78a5a5f28243705a0f1740196b5b8e235ab65b0Execute Meta Tra...300530832022-06-27 8:49:283 days 23 hrs ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.0092314100
0xcebaae10e7e3cd569171df9e2f856fa9db506440bfeeecaadb5a4230d9762f85Execute Meta Tra...300219512022-06-26 14:02:344 days 18 hrs ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.00556169939966.599999998
0x29d2f1f0db90711ade4fe4d329389b0564308d6aed99fc35bd622affe90aa82cExecute Meta Tra...299962442022-06-25 22:14:385 days 10 hrs ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.0089081792118.4
0xc01fc125a15a03e909bb254031e545b5df8a9985202794f6b305717175eff6f0Execute Meta Tra...299346522022-06-24 6:18:197 days 2 hrs ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.006864439882.2
0x5b5fc9fe67bd656fa2fff1acf0ec8fa20b9bad51c1f0c88e8b31652c9a106049Execute Meta Tra...299118562022-06-23 15:59:447 days 16 hrs ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.0084845144101.6
0x5993803abdbc4d840ca3044fa048173dde45c4a56e8652081bc2b9cabc1cd5bfExecute Meta Tra...299117222022-06-23 15:53:317 days 16 hrs ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.00374357264.4
0xfb1cfd600c28b671d9a0e20f4170795a25a1d2e4bae4e00609acc8378ae95ad2Execute Meta Tra...299116972022-06-23 15:52:397 days 16 hrs ago0x3ce07ad298ee2b3aabea8c8b3f496c3acc51e647 IN  0x2d0d9b4075e231bff33141d69df49ffcf3be76420 MATIC0.00510059467.8
[ Download CSV Export 
Parent Txn Hash Block From To Value
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
MaticChildMomiji

Compiler Version
v0.6.6+commit.6c089d02

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion, None license

Contract Source Code (Solidity)

/**
 *Submitted for verification at polygonscan.com on 2021-06-30
*/

// File: @openzeppelin/contracts/introspection/IERC165.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;

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

// File: @openzeppelin/contracts/token/ERC1155/IERC1155.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.2;


/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transfered 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: @openzeppelin/contracts/token/ERC1155/IERC1155MetadataURI.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.2;


/**
 * @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 IERC1155MetadataURI is IERC1155 {
    /**
     * @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: @openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;


/**
 * _Available since v3.1._
 */
interface IERC1155Receiver is IERC165 {

    /**
        @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: @openzeppelin/contracts/GSN/Context.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;

/*
 * @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: @openzeppelin/contracts/introspection/ERC165.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;


/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts may inherit from this and call {_registerInterface} to declare
 * their support of an interface.
 */
contract ERC165 is IERC165 {
    /*
     * 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;

    constructor () internal {
        // 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 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;
    }
}

// File: @openzeppelin/contracts/math/SafeMath.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;

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

        return c;
    }

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

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

        return c;
    }

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

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

        return c;
    }

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

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

        return c;
    }

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

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

// File: @openzeppelin/contracts/utils/Address.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.2;

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

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

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

    /**
     * @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");
        return _functionCallWithValue(target, data, value, errorMessage);
    }

    function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
        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: @openzeppelin/contracts/token/ERC1155/ERC1155.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;








/**
 *
 * @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 ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI {
    using SafeMath for uint256;
    using Address for address;

    // Mapping from token ID to account balances
    mapping (uint256 => mapping(address => uint256)) private _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 substition, 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}.
     */
    constructor (string memory uri) public {
        _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 substituion 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 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 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
        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) {
            require(accounts[i] != address(0), "ERC1155: batch balance query for the zero address");
            batchBalances[i] = _balances[ids[i]][accounts[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 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
     * substituion mechanism
     * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
     *
     * By this mechanism, any occurence 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 `to` 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
    )
        private
    {
        if (to.isContract()) {
            try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
                if (response != IERC1155Receiver(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 IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (bytes4 response) {
                if (response != IERC1155Receiver(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) private pure returns (uint256[] memory) {
        uint256[] memory array = new uint256[](1);
        array[0] = element;

        return array;
    }
}

// File: @openzeppelin/contracts/utils/EnumerableSet.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.0.0, only sets of type `address` (`AddressSet`) and `uint256`
 * (`UintSet`) are supported.
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;

        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping (bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) { // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs
            // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.

            bytes32 lastvalue = set._values[lastIndex];

            // Move the last value to the index where the value to delete is
            set._values[toDeleteIndex] = lastvalue;
            // Update the index for the moved value
            set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        require(set._values.length > index, "EnumerableSet: index out of bounds");
        return set._values[index];
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(value)));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(value)));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(value)));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint256(_at(set._inner, index)));
    }


    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }
}

// File: @openzeppelin/contracts/access/AccessControl.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;




/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControl is Context {
    using EnumerableSet for EnumerableSet.AddressSet;
    using Address for address;

    struct RoleData {
        EnumerableSet.AddressSet members;
        bytes32 adminRole;
    }

    mapping (bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view returns (bool) {
        return _roles[role].members.contains(account);
    }

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) public view returns (uint256) {
        return _roles[role].members.length();
    }

    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) public view returns (address) {
        return _roles[role].members.at(index);
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) public virtual {
        require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to grant");

        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) public virtual {
        require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to revoke");

        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) public virtual {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        emit RoleAdminChanged(role, _roles[role].adminRole, adminRole);
        _roles[role].adminRole = adminRole;
    }

    function _grantRole(bytes32 role, address account) private {
        if (_roles[role].members.add(account)) {
            emit RoleGranted(role, account, _msgSender());
        }
    }

    function _revokeRole(bytes32 role, address account) private {
        if (_roles[role].members.remove(account)) {
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

// File: contracts/common/AccessControlMixin.sol

pragma solidity 0.6.6;


contract AccessControlMixin is AccessControl {
    string private _revertMsg;
    function _setupContractId(string memory contractId) internal {
        _revertMsg = string(abi.encodePacked(contractId, ": INSUFFICIENT_PERMISSIONS"));
    }

    modifier only(bytes32 role) {
        require(
            hasRole(role, _msgSender()),
            _revertMsg
        );
        _;
    }
}

// File: contracts/child/ChildToken/IChildToken.sol

pragma solidity 0.6.6;

interface IChildToken {
    function deposit(address user, bytes calldata depositData) external;
}

// File: contracts/common/Initializable.sol

pragma solidity 0.6.6;

contract Initializable {
    bool inited = false;

    modifier initializer() {
        require(!inited, "already inited");
        _;
        inited = true;
    }
}

// File: contracts/common/EIP712Base.sol

pragma solidity 0.6.6;


contract EIP712Base is Initializable {
    struct EIP712Domain {
        string name;
        string version;
        address verifyingContract;
        bytes32 salt;
    }

    string constant public ERC712_VERSION = "1";

    bytes32 internal constant EIP712_DOMAIN_TYPEHASH = keccak256(
        bytes(
            "EIP712Domain(string name,string version,address verifyingContract,bytes32 salt)"
        )
    );
    bytes32 internal domainSeperator;

    // supposed to be called once while initializing.
    // one of the contractsa that inherits this contract follows proxy pattern
    // so it is not possible to do this in a constructor
    function _initializeEIP712(
        string memory name
    )
        internal
        initializer
    {
        _setDomainSeperator(name);
    }

    function _setDomainSeperator(string memory name) internal {
        domainSeperator = keccak256(
            abi.encode(
                EIP712_DOMAIN_TYPEHASH,
                keccak256(bytes(name)),
                keccak256(bytes(ERC712_VERSION)),
                address(this),
                bytes32(getChainId())
            )
        );
    }

    function getDomainSeperator() public view returns (bytes32) {
        return domainSeperator;
    }

    function getChainId() public pure returns (uint256) {
        uint256 id;
        assembly {
            id := chainid()
        }
        return id;
    }

    /**
     * Accept message hash and returns hash message in EIP712 compatible form
     * So that it can be used to recover signer from signature signed using EIP712 formatted data
     * https://eips.ethereum.org/EIPS/eip-712
     * "\\x19" makes the encoding deterministic
     * "\\x01" is the version byte to make it compatible to EIP-191
     */
    function toTypedMessageHash(bytes32 messageHash)
        internal
        view
        returns (bytes32)
    {
        return
            keccak256(
                abi.encodePacked("\x19\x01", getDomainSeperator(), messageHash)
            );
    }
}

// File: contracts/common/NativeMetaTransaction.sol

pragma solidity 0.6.6;



contract NativeMetaTransaction is EIP712Base {
    using SafeMath for uint256;
    bytes32 private constant META_TRANSACTION_TYPEHASH = keccak256(
        bytes(
            "MetaTransaction(uint256 nonce,address from,bytes functionSignature)"
        )
    );
    event MetaTransactionExecuted(
        address userAddress,
        address payable relayerAddress,
        bytes functionSignature
    );
    mapping(address => uint256) nonces;

    /*
     * Meta transaction structure.
     * No point of including value field here as if user is doing value transfer then he has the funds to pay for gas
     * He should call the desired function directly in that case.
     */
    struct MetaTransaction {
        uint256 nonce;
        address from;
        bytes functionSignature;
    }

    function executeMetaTransaction(
        address userAddress,
        bytes memory functionSignature,
        bytes32 sigR,
        bytes32 sigS,
        uint8 sigV
    ) public payable returns (bytes memory) {
        MetaTransaction memory metaTx = MetaTransaction({
            nonce: nonces[userAddress],
            from: userAddress,
            functionSignature: functionSignature
        });

        require(
            verify(userAddress, metaTx, sigR, sigS, sigV),
            "Signer and signature do not match"
        );

        // increase nonce for user (to avoid re-use)
        nonces[userAddress] = nonces[userAddress].add(1);

        emit MetaTransactionExecuted(
            userAddress,
            msg.sender,
            functionSignature
        );

        // Append userAddress and relayer address at the end to extract it from calling context
        (bool success, bytes memory returnData) = address(this).call(
            abi.encodePacked(functionSignature, userAddress)
        );
        require(success, "Function call not successful");

        return returnData;
    }

    function hashMetaTransaction(MetaTransaction memory metaTx)
        internal
        pure
        returns (bytes32)
    {
        return
            keccak256(
                abi.encode(
                    META_TRANSACTION_TYPEHASH,
                    metaTx.nonce,
                    metaTx.from,
                    keccak256(metaTx.functionSignature)
                )
            );
    }

    function getNonce(address user) public view returns (uint256 nonce) {
        nonce = nonces[user];
    }

    function verify(
        address signer,
        MetaTransaction memory metaTx,
        bytes32 sigR,
        bytes32 sigS,
        uint8 sigV
    ) internal view returns (bool) {
        require(signer != address(0), "NativeMetaTransaction: INVALID_SIGNER");
        return
            signer ==
            ecrecover(
                toTypedMessageHash(hashMetaTransaction(metaTx)),
                sigV,
                sigR,
                sigS
            );
    }
}

// File: contracts/common/ContextMixin.sol

pragma solidity 0.6.6;

abstract contract ContextMixin {
    function msgSender()
        internal
        view
        returns (address payable sender)
    {
        if (msg.sender == address(this)) {
            bytes memory array = msg.data;
            uint256 index = msg.data.length;
            assembly {
                // Load the 32 bytes word from memory with the address on the lower 20 bytes, and mask those.
                sender := and(
                    mload(add(array, index)),
                    0xffffffffffffffffffffffffffffffffffffffff
                )
            }
        } else {
            sender = msg.sender;
        }
        return sender;
    }
}

// File: contracts/child/ChildToken/ChildERC1155.sol

pragma solidity 0.6.6;






contract MaticChildMomiji is
    ERC1155,
    IChildToken,
    AccessControlMixin,
    NativeMetaTransaction,
    ContextMixin
{
    bytes32 public constant DEPOSITOR_ROLE = keccak256("DEPOSITOR_ROLE");

    constructor(string memory uri_, address childChainManager)
        public
        ERC1155(uri_)
    {
        _setupContractId("MaticChildMomiji");
        _setupRole(DEFAULT_ADMIN_ROLE, _msgSender());
        _setupRole(DEPOSITOR_ROLE, childChainManager);
        _initializeEIP712(uri_);
    }

    // This is to support Native meta transactions
    // never use msg.sender directly, use _msgSender() instead
    function _msgSender()
        internal
        override
        view
        returns (address payable sender)
    {
        return ContextMixin.msgSender();
    }

    /**
     * @notice called when tokens are deposited on root chain
     * @dev Should be callable only by ChildChainManager
     * Should handle deposit by minting the required tokens for user
     * Make sure minting is done only by this function
     * @param user user address for whom deposit is being done
     * @param depositData abi encoded ids array and amounts array
     */
    function deposit(address user, bytes calldata depositData)
        external
        override
        only(DEPOSITOR_ROLE)
    {
        (
            uint256[] memory ids,
            uint256[] memory amounts,
            bytes memory data
        ) = abi.decode(depositData, (uint256[], uint256[], bytes));
        require(user != address(0x0), "ChildERC1155: INVALID_DEPOSIT_USER");
        _mintBatch(user, ids, amounts, data);
    }

    /**
     * @notice called when user wants to withdraw single token back to root chain
     * @dev Should burn user's tokens. This transaction will be verified when exiting on root chain
     * @param id id to withdraw
     * @param amount amount to withdraw
     */
    function withdrawSingle(uint256 id, uint256 amount) external {
        _burn(_msgSender(), id, amount);
    }

    /**
     * @notice called when user wants to batch withdraw tokens back to root chain
     * @dev Should burn user's tokens. This transaction will be verified when exiting on root chain
     * @param ids ids to withdraw
     * @param amounts amounts to withdraw
     */
    function withdrawBatch(uint256[] calldata ids, uint256[] calldata amounts)
        external
    {
        _burnBatch(_msgSender(), ids, amounts);
    }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"string","name":"uri_","type":"string"},{"internalType":"address","name":"childChainManager","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"userAddress","type":"address"},{"indexed":false,"internalType":"address payable","name":"relayerAddress","type":"address"},{"indexed":false,"internalType":"bytes","name":"functionSignature","type":"bytes"}],"name":"MetaTransactionExecuted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"values","type":"uint256[]"}],"name":"TransferBatch","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"TransferSingle","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"value","type":"string"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"URI","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEPOSITOR_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ERC712_VERSION","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"accounts","type":"address[]"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"}],"name":"balanceOfBatch","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"bytes","name":"depositData","type":"bytes"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"userAddress","type":"address"},{"internalType":"bytes","name":"functionSignature","type":"bytes"},{"internalType":"bytes32","name":"sigR","type":"bytes32"},{"internalType":"bytes32","name":"sigS","type":"bytes32"},{"internalType":"uint8","name":"sigV","type":"uint8"}],"name":"executeMetaTransaction","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"getChainId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"getDomainSeperator","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"getNonce","outputs":[{"internalType":"uint256","name":"nonce","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getRoleMember","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleMemberCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeBatchTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"name":"withdrawBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdrawSingle","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

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

0000000000000000000000000000000000000000000000000000000000000040000000000000000000000000a6fa4fb5f76172d178d61b04b0ecd319c5d1c0aa0000000000000000000000000000000000000000000000000000000000000007697066733a2f2f00000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : uri_ (string): ipfs://
Arg [1] : childChainManager (address): 0xa6fa4fb5f76172d178d61b04b0ecd319c5d1c0aa

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [1] : 000000000000000000000000a6fa4fb5f76172d178d61b04b0ecd319c5d1c0aa
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000007
Arg [3] : 697066733a2f2f00000000000000000000000000000000000000000000000000


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
Loading
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.