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0x6100dd79fCAA88420750DceE3F735d168aBcB771
 

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Approve204956172024-08-10 3:47:231 hr ago1723261643IN
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Approve204929932024-08-09 19:00:239 hrs ago1723230023IN
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0 ETH0.000097862.8403136
Approve204928972024-08-09 18:40:5910 hrs ago1723228859IN
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0 ETH0.000180723.20421516
Approve204847442024-08-08 15:24:3537 hrs ago1723130675IN
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0 ETH0.000825714.63630287
Transfer204808942024-08-08 2:31:232 days ago1723084283IN
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0 ETH0.000164213.71521854
Approve204794912024-08-07 21:49:232 days ago1723067363IN
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0 ETH0.000230354.06417772
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0 ETH0.000111881.98374841
Transfer204744762024-08-07 5:02:472 days ago1723006967IN
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Approve204560672024-08-04 15:24:115 days ago1722785051IN
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0 ETH0.000525749.31126729
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0 ETH0.000321378.18187663
Approve204351372024-08-01 17:18:118 days ago1722532691IN
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0 ETH0.000949616.83612501
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0 ETH0.0002484.39236638
Transfer204127802024-07-29 14:20:4711 days ago1722262847IN
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0 ETH0.000397896.49082101
Approve204104242024-07-29 6:28:2311 days ago1722234503IN
Ethereans: OS Token
0 ETH0.000081581.44577988
Transfer204095602024-07-29 3:33:2312 days ago1722224003IN
Ethereans: OS Token
0 ETH0.000056851.28636033
Approve204066092024-07-28 17:41:4712 days ago1722188507IN
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0 ETH0.000090672.63173685
Transfer204063182024-07-28 16:43:2312 days ago1722185003IN
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0 ETH0.000090422.04627477
Approve204061852024-07-28 16:16:4712 days ago1722183407IN
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0 ETH0.000151132.66648427
Approve203979012024-07-27 12:31:3513 days ago1722083495IN
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0 ETH0.000083921.47910366
Approve203969472024-07-27 9:20:4713 days ago1722072047IN
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0 ETH0.000139782.46358458
Approve203939052024-07-26 23:07:5914 days ago1722035279IN
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0 ETH0.000065331.15146958
Approve203906072024-07-26 12:04:4714 days ago1721995487IN
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0 ETH0.000162472.86654345
Approve203902742024-07-26 10:57:4714 days ago1721991467IN
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0 ETH0.000160912.83914536
Approve203881732024-07-26 3:56:3515 days ago1721966195IN
Ethereans: OS Token
0 ETH0.00038356.75909711
Approve203817902024-07-25 6:31:4715 days ago1721889107IN
Ethereans: OS Token
0 ETH0.000211543.7322586
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204956172024-08-10 3:47:231 hr ago1723261643
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204956172024-08-10 3:47:231 hr ago1723261643
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204956172024-08-10 3:47:231 hr ago1723261643
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204956172024-08-10 3:47:231 hr ago1723261643
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204956172024-08-10 3:47:231 hr ago1723261643
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204956172024-08-10 3:47:231 hr ago1723261643
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204956172024-08-10 3:47:231 hr ago1723261643
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204943672024-08-09 23:36:355 hrs ago1723246595
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204943672024-08-09 23:36:355 hrs ago1723246595
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204943672024-08-09 23:36:355 hrs ago1723246595
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204943672024-08-09 23:36:355 hrs ago1723246595
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xA50EB8D9...14394B47f
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
ItemInteroperableInterface

Compiler Version
v0.8.6+commit.11564f7e

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2021-11-03
*/

// File: node_modules\@openzeppelin\contracts\utils\introspection\IERC165.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

// SPDX_License_Identifier: MIT

pragma solidity ^0.8.0;


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

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

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

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

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

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

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

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

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must 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: contracts\model\IERC1155Views.sol

// SPDX_License_Identifier: MIT

pragma solidity >=0.7.0;

/**
 * @title IERC1155Views - An optional utility interface to improve the ERC-1155 Standard.
 * @dev This interface introduces some additional capabilities for ERC-1155 Tokens.
 */
interface IERC1155Views {

    /**
     * @dev Returns the total supply of the given token id
     * @param itemId the id of the token whose availability you want to know 
     */
    function totalSupply(uint256 itemId) external view returns (uint256);

    /**
     * @dev Returns the name of the given token id
     * @param itemId the id of the token whose name you want to know 
     */
    function name(uint256 itemId) external view returns (string memory);

    /**
     * @dev Returns the symbol of the given token id
     * @param itemId the id of the token whose symbol you want to know 
     */
    function symbol(uint256 itemId) external view returns (string memory);

    /**
     * @dev Returns the decimals of the given token id
     * @param itemId the id of the token whose decimals you want to know 
     */
    function decimals(uint256 itemId) external view returns (uint256);

    /**
     * @dev Returns the uri of the given token id
     * @param itemId the id of the token whose uri you want to know 
     */
    function uri(uint256 itemId) external view returns (string memory);
}

// File: contracts\model\Item.sol

//SPDX_License_Identifier: MIT

pragma solidity >=0.7.0;
pragma abicoder v2;



struct Header {
    address host;
    string name;
    string symbol;
    string uri;
}

struct CreateItem {
    Header header;
    bytes32 collectionId;
    uint256 id;
    address[] accounts;
    uint256[] amounts;
}

interface Item is IERC1155, IERC1155Views {

    event CollectionItem(bytes32 indexed fromCollectionId, bytes32 indexed toCollectionId, uint256 indexed itemId);

    function name() external view returns(string memory);
    function symbol() external view returns(string memory);
    function decimals() external view returns(uint256);

    function burn(address account, uint256 itemId, uint256 amount) external;
    function burnBatch(address account, uint256[] calldata itemIds, uint256[] calldata amounts) external;

    function burn(address account, uint256 itemId, uint256 amount, bytes calldata data) external;
    function burnBatch(address account, uint256[] calldata itemIds, uint256[] calldata amounts, bytes calldata data) external;

    function mintItems(CreateItem[] calldata items) external returns(uint256[] memory itemIds);
    function setItemsCollection(uint256[] calldata itemIds, bytes32[] calldata collectionIds) external returns(bytes32[] memory oldCollectionIds);
    function setItemsMetadata(uint256[] calldata itemIds, Header[] calldata newValues) external returns(Header[] memory oldValues);

    function interoperableOf(uint256 itemId) external view returns(address);
}

// File: contracts\model\IItemMainInterface.sol

//SPDX_License_Identifier: MIT
pragma solidity >=0.7.0;


struct ItemData {
    bytes32 collectionId;
    Header header;
    bytes32 domainSeparator;
    uint256 totalSupply;
    mapping(address => uint256) balanceOf;
    mapping(address => mapping(address => uint256)) allowance;
    mapping(address => uint256) nonces;
}

interface IItemMainInterface is Item {

    event Collection(address indexed from, address indexed to, bytes32 indexed collectionId);

    function interoperableInterfaceModel() external view returns(address);

    function uri() external view returns(string memory);
    function plainUri() external view returns(string memory);
    function dynamicUriResolver() external view returns(address);
    function hostInitializer() external view returns(address);

    function collection(bytes32 collectionId) external view returns(address host, string memory name, string memory symbol, string memory uri);
    function collectionUri(bytes32 collectionId) external view returns(string memory);
    function createCollection(Header calldata _collection, CreateItem[] calldata items) external returns(bytes32 collectionId, uint256[] memory itemIds);
    function setCollectionsMetadata(bytes32[] calldata collectionIds, Header[] calldata values) external returns(Header[] memory oldValues);

    function setApprovalForAllByCollectionHost(bytes32 collectionId, address account, address operator, bool approved) external;

    function item(uint256 itemId) external view returns(bytes32 collectionId, Header memory header, bytes32 domainSeparator, uint256 totalSupply);

    function mintTransferOrBurn(bool isMulti, bytes calldata data) external;

    function allowance(address account, address spender, uint256 itemId) external view returns(uint256);
    function approve(address account, address spender, uint256 amount, uint256 itemId) external;
    function TYPEHASH_PERMIT() external view returns (bytes32);
    function EIP712_PERMIT_DOMAINSEPARATOR_NAME_AND_VERSION() external view returns(string memory domainSeparatorName, string memory domainSeparatorVersion);
    function permit(uint256 itemId, address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external;
    function nonces(address owner, uint256 itemId) external view returns(uint256);
}

// File: @openzeppelin\contracts\token\ERC20\IERC20.sol

// SPDX_License_Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

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

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// File: @openzeppelin\contracts\token\ERC20\extensions\IERC20Metadata.sol

// SPDX_License_Identifier: MIT

pragma solidity ^0.8.0;


/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// File: @openzeppelin\contracts\token\ERC20\extensions\draft-IERC20Permit.sol

// SPDX_License_Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// File: contracts\model\IItemInteroperableInterface.sol

//SPDX_License_Identifier: MIT

pragma solidity >=0.7.0;




interface IItemInteroperableInterface is IERC20, IERC20Metadata, IERC20Permit {

    function init() external;
    function mainInterface() external view returns(address);
    function itemId() external view returns(uint256);
    function emitEvent(bool forApprove, bool isMulti, bytes calldata data) external;
    function burn(uint256 amount) external;
    function burnFrom(address account, uint256 amount) external;
    function EIP712_PERMIT_DOMAINSEPARATOR_NAME_AND_VERSION() external view returns(string memory name, string memory version);
}

// File: contracts\impl\ItemInteroperableInterface.sol

//SPDX_License_Identifier: MIT

pragma solidity >=0.7.0;



contract ItemInteroperableInterface is IItemInteroperableInterface {

    address public override mainInterface;

    function init() override external {
        require(mainInterface == address(0));
        mainInterface = msg.sender;
    }

    function DOMAIN_SEPARATOR() external override view returns (bytes32 domainSeparatorValue) {
        (,,domainSeparatorValue,) = IItemMainInterface(mainInterface).item(itemId());
    }

    function EIP712_PERMIT_DOMAINSEPARATOR_NAME_AND_VERSION() external override view returns(string memory, string memory) {
        return IItemMainInterface(mainInterface).EIP712_PERMIT_DOMAINSEPARATOR_NAME_AND_VERSION();
    }

    function itemId() override public view returns(uint256) {
        return uint160(address(this));
    }

    function emitEvent(bool forApprove, bool isMulti, bytes calldata data) override external {
        require(msg.sender == mainInterface, "Unauthorized");
        if(isMulti) {
            (address[] memory froms, address[] memory tos, uint256[] memory amounts) = abi.decode(data, (address[], address[], uint256[]));
            for(uint256 i = 0; i < froms.length; i++) {
                if(forApprove) {
                    emit Approval(froms[i], tos[i], amounts[i]);
                } else {
                    emit Transfer(froms[i], tos[i], amounts[i]);
                }
            }
            return;
        }
        (address from, address to, uint256 amount) = abi.decode(data, (address, address, uint256));
        if(forApprove) {
            emit Approval(from, to, amount);
        } else {
            emit Transfer(from, to, amount);
       }
    }

    function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) override external {
        IItemMainInterface(mainInterface).permit(itemId(), owner, spender, value, deadline, v, r, s);
        emit Approval(owner, spender, value);
    }

    function burn(uint256 amount) override external {
        IItemMainInterface(mainInterface).mintTransferOrBurn(false, abi.encode(msg.sender, msg.sender, address(0), itemId(), amount));
        emit Transfer(msg.sender, address(0), amount);
    }

    function burnFrom(address account, uint256 amount) external override {
        require(account != address(0), "burn zero address");
        IItemMainInterface(mainInterface).mintTransferOrBurn(false, abi.encode(msg.sender, account, address(0), itemId(), amount));
        emit Transfer(msg.sender, address(0), amount);
    }

    function name() override external view returns (string memory) {
        (, Header memory header,,) = IItemMainInterface(mainInterface).item(itemId());
        return header.name;
    }

    function symbol() override external view returns (string memory) {
        (, Header memory header,,) = IItemMainInterface(mainInterface).item(itemId());
        return header.symbol;
    }

    function decimals() override external pure returns (uint8) {
        return 18;
    }

    function nonces(address owner) external override view returns(uint256) {
        return IItemMainInterface(mainInterface).nonces(owner, itemId());
    }

    function totalSupply() override external view returns (uint256 totalSupplyValue) {
        (,,, totalSupplyValue) = IItemMainInterface(mainInterface).item(itemId());
    }

    function balanceOf(address account) override external view returns (uint256) {
        return IItemMainInterface(mainInterface).balanceOf(account, itemId());
    }

    function allowance(address owner, address spender) override external view returns (uint256) {
        return IItemMainInterface(mainInterface).allowance(owner, spender, itemId());
    }

    function approve(address spender, uint256 amount) override external returns(bool) {
        IItemMainInterface(mainInterface).approve(msg.sender, spender, amount, itemId());
        emit Approval(msg.sender, spender, amount);
        return true;
    }

    function transfer(address recipient, uint256 amount) override external returns(bool) {
        return _transferFrom(msg.sender, recipient, amount);
    }

    function transferFrom(address sender, address recipient, uint256 amount) override external returns(bool) {
        return _transferFrom(sender, recipient, amount);
    }

    function _transferFrom(address sender, address recipient, uint256 amount) private returns(bool) {
        require(sender != address(0), "transfer from the zero address");
        require(recipient != address(0), "transfer to the zero address");
        IItemMainInterface(mainInterface).mintTransferOrBurn(false, abi.encode(msg.sender, sender, recipient, itemId(), amount));
        emit Transfer(sender, recipient, amount);
        return true;
    }
}

Contract Security Audit

Contract ABI

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"domainSeparatorValue","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"EIP712_PERMIT_DOMAINSEPARATOR_NAME_AND_VERSION","outputs":[{"internalType":"string","name":"","type":"string"},{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burnFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bool","name":"forApprove","type":"bool"},{"internalType":"bool","name":"isMulti","type":"bool"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"emitEvent","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"itemId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mainInterface","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"totalSupplyValue","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]

Deployed Bytecode

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Swarm Source

ipfs://d922c58b49c28044de048f0b8eb389b2db7621d53a1817ef78aab29398263280

Block Transaction Difficulty Gas Used Reward
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Block Uncle Number Difficulty Gas Used Reward
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OVERVIEW

EthereansOS: Empowering DAOs with onchain voting for true decentralization. Modular framework, web interface, verified contracts.

Validator Index Block Amount
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Transaction 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.