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Contract

0x728E33ffF8348BF804247F136D8FE7B0988312Be
 

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0 ETH

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$0.00

Multichain Info

1 address found via
Transaction Hash
Method
Block
From
To
Claim Phase1167668082023-03-06 4:01:23640 days ago1678075283IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0021511678.25540082
Claim Phase1167668082023-03-06 4:01:23640 days ago1678075283IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0021511678.25540082
Claim Phase1167668082023-03-06 4:01:23640 days ago1678075283IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0021511678.25540082
Claim Phase1167668072023-03-06 4:01:11640 days ago1678075271IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0021596978.56586912
Claim Phase1163943222023-01-13 0:33:47692 days ago1673570027IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0016675919.06104284
Claim Phase1163943172023-01-13 0:32:47692 days ago1673569967IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0017042919.48052801
Claim Phase1163943152023-01-13 0:32:23692 days ago1673569943IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0017042919.48052801
Claim Phase1163943132023-01-13 0:31:59692 days ago1673569919IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0017284619.75683761
Claim Phase1163943102023-01-13 0:31:23692 days ago1673569883IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0018543621.19589191
Claim Phase1156423522022-09-29 23:43:59798 days ago1664495039IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0037488342.84429331
Claim Phase1150868322022-07-06 4:32:26883 days ago1657081946IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0020303273.89164129
Claim Phase1150767552022-07-04 15:08:24885 days ago1656947304IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.00569765.10932094
Claim Phase1149519852022-06-12 19:50:04907 days ago1655063404IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.002077223.74295984
Claim Phase1149369772022-06-10 6:30:41909 days ago1654842641IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0065641575.01973901
Claim Phase1149369772022-06-10 6:30:41909 days ago1654842641IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0072199282.51432257
Claim Phase1149369612022-06-10 6:25:38909 days ago1654842338IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.00877765100.31720649
Claim Phase1148464342022-05-26 6:19:02924 days ago1653545942IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.002219880.75261087
Claim Phase1148107482022-05-20 11:07:39930 days ago1653044859IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0022912426.1808577
Claim Phase1147963932022-05-18 3:08:36932 days ago1652843316IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.002138124.43106219
Claim Phase1147223602022-05-06 7:59:41944 days ago1651823981IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0024946790.79133304
Claim Phase1147223432022-05-06 7:55:21944 days ago1651823721IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0024525489.25809963
Claim Phase1147033102022-05-03 7:27:34947 days ago1651562854IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0053988661.68998377
Claim Phase1147033102022-05-03 7:27:34947 days ago1651562854IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0066970676.52390633
Claim Phase1146997032022-05-02 17:41:28948 days ago1651513288IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.01538684175.81756063
Claim Phase1146937242022-05-01 19:10:35949 days ago1651432235IN
Bobu Token (Azuki #40): Distributor
0.01 ETH0.0024253188.22869264
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Latest 1 internal transaction

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Parent Transaction Hash Block From To
143488942022-03-08 22:39:031003 days ago1646779143
Bobu Token (Azuki #40): Distributor
200 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
BobuDistributor

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 500 runs

Other Settings:
default evmVersion
File 1 of 11 : BobuDistributor.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

import '@openzeppelin/contracts/access/Ownable.sol';
import '@openzeppelin/contracts/security/ReentrancyGuard.sol';
import '@openzeppelin/contracts/token/ERC1155/IERC1155.sol';
import '@openzeppelin/contracts/token/ERC1155/utils/ERC1155Holder.sol';
import '@openzeppelin/contracts/utils/cryptography/ECDSA.sol';

error Phase1SaleNotStarted();
error Phase2SaleNotStarted();
error MaxPhase1ClaimsReached();
error MaxPhase2ClaimsReached();
error InsufficientAmount();
error CallerIsContract();
error TransferFailed();
error InvalidSignature();

contract BobuDistributor is Ownable, ReentrancyGuard, ERC1155Holder {
  using ECDSA for bytes32;

  mapping(address => uint256) public numFractionsClaimed;

  IERC1155 private immutable fractional1155;

  uint256 private immutable fractionIdIn1155;
  struct SaleDetails {
    uint128 phase1SaleTime;
    uint128 phase2SaleTime;
  }
  SaleDetails public saleDetails;

  uint256 constant PRICE_FOR_ONE = 0.01 ether;
  address private signer;

  constructor(address fractional1155Address_, uint256 fractionIdIn1155_) {
    fractional1155 = IERC1155(fractional1155Address_);
    fractionIdIn1155 = fractionIdIn1155_;
  }

  function claimPhase1(bytes calldata _signature)
    external
    payable
    callerIsUser
  {
    SaleDetails memory saleDetailsLoc = saleDetails;
    if (
      saleDetailsLoc.phase1SaleTime == 0 ||
      block.timestamp < saleDetailsLoc.phase1SaleTime
    ) {
      revert Phase1SaleNotStarted();
    }
    if (numFractionsClaimed[msg.sender] != 0) {
      revert MaxPhase1ClaimsReached();
    }
    if (msg.value < PRICE_FOR_ONE) revert InsufficientAmount();
    if (!_verify(_signature)) revert InvalidSignature();

    // It is impossible to overflow here because we restrict the number of claims
    // per wallet to be 101.
    unchecked {
      numFractionsClaimed[msg.sender]++;
    }

    fractional1155.safeTransferFrom(
      address(this),
      msg.sender,
      fractionIdIn1155,
      1,
      '0'
    );
  }

  function claimPhase2(uint32 amount, bytes calldata _signature)
    external
    payable
    callerIsUser
  {
    SaleDetails memory saleDetailsLoc = saleDetails;
    if (
      saleDetailsLoc.phase2SaleTime == 0 ||
      block.timestamp < saleDetailsLoc.phase2SaleTime
    ) {
      revert Phase2SaleNotStarted();
    }
    if (numFractionsClaimed[msg.sender] + amount > 101) {
      revert MaxPhase2ClaimsReached();
    }
    if (msg.value < (PRICE_FOR_ONE * amount)) revert InsufficientAmount();

    if (!_verify(_signature)) revert InvalidSignature();

    // It is impossible to overflow here because we restrict the number of claims
    // per wallet to be 101.
    unchecked {
      numFractionsClaimed[msg.sender] += amount;
    }

    fractional1155.safeTransferFrom(
      address(this),
      msg.sender,
      fractionIdIn1155,
      amount,
      '0'
    );
  }

  function setSaleDetails(uint128 phase1SaleTime_, uint128 phase2SaleTime_)
    external
    onlyOwner
  {
    saleDetails = SaleDetails(phase1SaleTime_, phase2SaleTime_);
  }

  modifier callerIsUser() {
    if (tx.origin != msg.sender) revert CallerIsContract();
    _;
  }

  function withdrawMoney() external onlyOwner nonReentrant {
    (bool success, ) = msg.sender.call{value: address(this).balance}('');
    if (!success) revert TransferFailed();
  }

  function withdrawRemainingBobus() external onlyOwner nonReentrant {
    fractional1155.safeTransferFrom(
      address(this),
      msg.sender,
      fractionIdIn1155,
      fractional1155.balanceOf(address(this), fractionIdIn1155),
      '0'
    );
  }

  function _verify(bytes memory _signature) private view returns (bool) {
    bytes32 hashVal = keccak256(abi.encodePacked(msg.sender));
    bytes32 signedHash = hashVal.toEthSignedMessageHash();
    address signingAddress = signedHash.recover(_signature);
    return signingAddress == signer;
  }

  function setSigner(address _signer) external onlyOwner {
    signer = _signer;
  }
}

File 2 of 11 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _setOwner(_msgSender());
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _setOwner(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 3 of 11 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

File 4 of 11 : IERC1155.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must 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 5 of 11 : ERC1155Holder.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./ERC1155Receiver.sol";

/**
 * @dev _Available since v3.1._
 */
contract ERC1155Holder is ERC1155Receiver {
    function onERC1155Received(
        address,
        address,
        uint256,
        uint256,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC1155Received.selector;
    }

    function onERC1155BatchReceived(
        address,
        address,
        uint256[] memory,
        uint256[] memory,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC1155BatchReceived.selector;
    }
}

File 6 of 11 : ECDSA.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return recover(hash, v, r, s);
        } else if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return recover(hash, r, vs);
        } else {
            revert("ECDSA: invalid signature length");
        }
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        bytes32 s;
        uint8 v;
        assembly {
            s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
            v := add(shr(255, vs), 27)
        }
        return recover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`, `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (281): 0 < s < secp256k1n ÷ 2 + 1, and for v in (282): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        require(
            uint256(s) <= 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0,
            "ECDSA: invalid signature 's' value"
        );
        require(v == 27 || v == 28, "ECDSA: invalid signature 'v' value");

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        require(signer != address(0), "ECDSA: invalid signature");

        return signer;
    }

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

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

File 7 of 11 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 8 of 11 : 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 9 of 11 : ERC1155Receiver.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC1155Receiver.sol";
import "../../../utils/introspection/ERC165.sol";

/**
 * @dev _Available since v3.1._
 */
abstract contract ERC1155Receiver is ERC165, IERC1155Receiver {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId);
    }
}

File 10 of 11 : IERC1155Receiver.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

/**
 * @dev _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 11 of 11 : ERC165.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 500
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"fractional1155Address_","type":"address"},{"internalType":"uint256","name":"fractionIdIn1155_","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"CallerIsContract","type":"error"},{"inputs":[],"name":"InsufficientAmount","type":"error"},{"inputs":[],"name":"InvalidSignature","type":"error"},{"inputs":[],"name":"MaxPhase1ClaimsReached","type":"error"},{"inputs":[],"name":"MaxPhase2ClaimsReached","type":"error"},{"inputs":[],"name":"Phase1SaleNotStarted","type":"error"},{"inputs":[],"name":"Phase2SaleNotStarted","type":"error"},{"inputs":[],"name":"TransferFailed","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"bytes","name":"_signature","type":"bytes"}],"name":"claimPhase1","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint32","name":"amount","type":"uint32"},{"internalType":"bytes","name":"_signature","type":"bytes"}],"name":"claimPhase2","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"numFractionsClaimed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC1155BatchReceived","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC1155Received","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"saleDetails","outputs":[{"internalType":"uint128","name":"phase1SaleTime","type":"uint128"},{"internalType":"uint128","name":"phase2SaleTime","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint128","name":"phase1SaleTime_","type":"uint128"},{"internalType":"uint128","name":"phase2SaleTime_","type":"uint128"}],"name":"setSaleDetails","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_signer","type":"address"}],"name":"setSigner","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":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawMoney","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawRemainingBobus","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Deployed Bytecode

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

0000000000000000000000002079812353e2c9409a788fbf5f383fa62ad85be80000000000000000000000000000000000000000000000000000000000000001

-----Decoded View---------------
Arg [0] : fractional1155Address_ (address): 0x2079812353E2C9409a788FBF5f383fa62aD85bE8
Arg [1] : fractionIdIn1155_ (uint256): 1

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000002079812353e2c9409a788fbf5f383fa62ad85be8
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000001


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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.