ETH Price: $3,345.75 (-0.24%)

Token

Choco Pumpkins (CHPK)
 

Overview

Max Total Supply

777 CHPK

Holders

332

Market

Volume (24H)

N/A

Min Price (24H)

N/A

Max Price (24H)

N/A

Other Info

Balance
1 CHPK
0x4f7f037be3b51ae2c6d8968f77580a2bca1344c2
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# Exchange Pair Price  24H Volume % Volume

Minimal Proxy Contract for 0xe8dd2ff0212f86d3197b4afdc6dac6ac47eb10ac

Contract Name:
DropERC721

Compiler Version
v0.8.12+commit.f00d7308

Optimization Enabled:
Yes with 490 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 39 : DropERC721.sol
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// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;
// ========== External imports ==========
import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721EnumerableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/access/AccessControlEnumerableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/structs/BitMapsUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/MulticallUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol";
// ========== Internal imports ==========
import { IDropERC721 } from "../interfaces/drop/IDropERC721.sol";
import "../interfaces/IThirdwebContract.sol";
// ========== Features ==========
import "../extension/interface/IPlatformFee.sol";
import "../extension/interface/IPrimarySale.sol";
import "../extension/interface/IRoyalty.sol";
import "../extension/interface/IOwnable.sol";
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File 2 of 39 : IERC165.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* [EIP](https://eips.ethereum.org/EIPS/eip-165).
*
* 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
* [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
* 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);
}
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File 3 of 39 : IERC20.sol
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// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
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File 4 of 39 : IERC2981.sol
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// SPDX-License-Identifier: Apache 2.0
pragma solidity ^0.8.0;
import "./IERC165.sol";
/**
* @dev Interface for the NFT Royalty Standard.
*
* A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
* support for royalty payments across all NFT marketplaces and ecosystem participants.
*
* _Available since v4.5._
*/
interface IERC2981 is IERC165 {
/**
* @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
* exchange. The royalty amount is denominated and should be payed in that same unit of exchange.
*/
function royaltyInfo(uint256 tokenId, uint256 salePrice)
external
view
returns (address receiver, uint256 royaltyAmount);
}
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File 5 of 39 : IOwnable.sol
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// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/**
* Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading
* who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses
* information about who the contract's owner is.
*/
interface IOwnable {
/// @dev Returns the owner of the contract.
function owner() external view returns (address);
/// @dev Lets a module admin set a new owner for the contract. The new owner must be a module admin.
function setOwner(address _newOwner) external;
/// @dev Emitted when a new Owner is set.
event OwnerUpdated(address indexed prevOwner, address indexed newOwner);
}
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File 6 of 39 : IPlatformFee.sol
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// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/**
* Thirdweb's `PlatformFee` is a contract extension to be used with any base contract. It exposes functions for setting and reading
* the recipient of platform fee and the platform fee basis points, and lets the inheriting contract perform conditional logic
* that uses information about platform fees, if desired.
*/
interface IPlatformFee {
/// @dev Returns the platform fee bps and recipient.
function getPlatformFeeInfo() external view returns (address, uint16);
/// @dev Lets a module admin update the fees on primary sales.
function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) external;
/// @dev Emitted when fee on primary sales is updated.
event PlatformFeeInfoUpdated(address indexed platformFeeRecipient, uint256 platformFeeBps);
}
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File 7 of 39 : IPrimarySale.sol
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// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/**
* Thirdweb's `Primary` is a contract extension to be used with any base contract. It exposes functions for setting and reading
* the recipient of primary sales, and lets the inheriting contract perform conditional logic that uses information about
* primary sales, if desired.
*/
interface IPrimarySale {
/// @dev The adress that receives all primary sales value.
function primarySaleRecipient() external view returns (address);
/// @dev Lets a module admin set the default recipient of all primary sales.
function setPrimarySaleRecipient(address _saleRecipient) external;
/// @dev Emitted when a new sale recipient is set.
event PrimarySaleRecipientUpdated(address indexed recipient);
}
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File 8 of 39 : IRoyalty.sol
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// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
import "../../eip/interface/IERC2981.sol";
/**
* Thirdweb's `Royalty` is a contract extension to be used with any base contract. It exposes functions for setting and reading
* the recipient of royalty fee and the royalty fee basis points, and lets the inheriting contract perform conditional logic
* that uses information about royalty fees, if desired.
*
* The `Royalty` contract is ERC2981 compliant.
*/
interface IRoyalty is IERC2981 {
struct RoyaltyInfo {
address recipient;
uint256 bps;
}
/// @dev Returns the royalty recipient and fee bps.
function getDefaultRoyaltyInfo() external view returns (address, uint16);
/// @dev Lets a module admin update the royalty bps and recipient.
function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external;
/// @dev Lets a module admin set the royalty recipient for a particular token Id.
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File 9 of 39 : IThirdwebContract.sol
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// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;
interface IThirdwebContract {
/// @dev Returns the module type of the contract.
function contractType() external pure returns (bytes32);
/// @dev Returns the version of the contract.
function contractVersion() external pure returns (uint8);
/// @dev Returns the metadata URI of the contract.
function contractURI() external view returns (string memory);
/**
* @dev Sets contract URI for the storefront-level metadata of the contract.
* Only module admin can call this function.
*/
function setContractURI(string calldata _uri) external;
}
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File 10 of 39 : IWETH.sol
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// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
interface IWETH {
function deposit() external payable;
function withdraw(uint256 amount) external;
function transfer(address to, uint256 value) external returns (bool);
}
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File 11 of 39 : IDropClaimCondition.sol
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// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/utils/structs/BitMapsUpgradeable.sol";
/**
* Thirdweb's 'Drop' contracts are distribution mechanisms for tokens.
*
* A contract admin (i.e. a holder of `DEFAULT_ADMIN_ROLE`) can set a series of claim conditions,
* ordered by their respective `startTimestamp`. A claim condition defines criteria under which
* accounts can mint tokens. Claim conditions can be overwritten or added to by the contract admin.
* At any moment, there is only one active claim condition.
*/
interface IDropClaimCondition {
/**
* @notice The criteria that make up a claim condition.
*
* @param startTimestamp The unix timestamp after which the claim condition applies.
* The same claim condition applies until the `startTimestamp`
* of the next claim condition.
*
* @param maxClaimableSupply The maximum total number of tokens that can be claimed under
* the claim condition.
*
* @param supplyClaimed At any given point, the number of tokens that have been claimed
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File 12 of 39 : IDropERC721.sol
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// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;
import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol";
import "./IDropClaimCondition.sol";
/**
* Thirdweb's 'Drop' contracts are distribution mechanisms for tokens. The
* `DropERC721` contract is a distribution mechanism for ERC721 tokens.
*
* A minter wallet (i.e. holder of `MINTER_ROLE`) can (lazy)mint 'n' tokens
* at once by providing a single base URI for all tokens being lazy minted.
* The URI for each of the 'n' tokens lazy minted is the provided base URI +
* `{tokenId}` of the respective token. (e.g. "ipsf://Qmece.../1").
*
* A minter can choose to lazy mint 'delayed-reveal' tokens. More on 'delayed-reveal'
* tokens in [this article](https://blog.thirdweb.com/delayed-reveal-nfts).
*
* A contract admin (i.e. holder of `DEFAULT_ADMIN_ROLE`) can create claim conditions
* with non-overlapping time windows, and accounts can claim the tokens according to
* restrictions defined in the claim condition that is active at the time of the transaction.
*/
interface IDropERC721 is IERC721Upgradeable, IDropClaimCondition {
/// @dev Emitted when tokens are claimed.
event TokensClaimed(
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File 13 of 39 : CurrencyTransferLib.sol
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// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
// Helper interfaces
import { IWETH } from "../interfaces/IWETH.sol";
import "../openzeppelin-presets/token/ERC20/utils/SafeERC20.sol";
library CurrencyTransferLib {
using SafeERC20 for IERC20;
/// @dev The address interpreted as native token of the chain.
address public constant NATIVE_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
/// @dev Transfers a given amount of currency.
function transferCurrency(
address _currency,
address _from,
address _to,
uint256 _amount
) internal {
if (_amount == 0) {
return;
}
if (_currency == NATIVE_TOKEN) {
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File 14 of 39 : FeeType.sol
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// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;
library FeeType {
uint256 internal constant PRIMARY_SALE = 0;
uint256 internal constant MARKET_SALE = 1;
uint256 internal constant SPLIT = 2;
}
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File 15 of 39 : MerkleProof.sol
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// SPDX-License-Identifier: MIT
// Modified from https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v4.3.0/contracts/utils/cryptography/MerkleProof.sol
// Copied from https://github.com/ensdomains/governance/blob/master/contracts/MerkleProof.sol
pragma solidity ^0.8.0;
/**
* @dev These functions deal with verification of Merkle Trees proofs.
*
* The proofs can be generated using the JavaScript library
* https://github.com/miguelmota/merkletreejs[merkletreejs].
* Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
*
* See `test/utils/cryptography/MerkleProof.test.js` for some examples.
*
* Source: https://github.com/ensdomains/governance/blob/master/contracts/MerkleProof.sol
*/
library MerkleProof {
/**
* @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
* defined by `root`. For this, a `proof` must be provided, containing
* sibling hashes on the branch from the leaf to the root of the tree. Each
* pair of leaves and each pair of pre-images are assumed to be sorted.
*/
function verify(
bytes32[] memory proof,
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File 16 of 39 : TWAddress.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)
pragma solidity ^0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library TWAddress {
/**
* @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
* ====
*
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File 17 of 39 : ERC2771ContextUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (metatx/ERC2771Context.sol)
pragma solidity ^0.8.11;
import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
/**
* @dev Context variant with ERC2771 support.
*/
abstract contract ERC2771ContextUpgradeable is Initializable, ContextUpgradeable {
mapping(address => bool) private _trustedForwarder;
function __ERC2771Context_init(address[] memory trustedForwarder) internal onlyInitializing {
__Context_init_unchained();
__ERC2771Context_init_unchained(trustedForwarder);
}
function __ERC2771Context_init_unchained(address[] memory trustedForwarder) internal onlyInitializing {
for (uint256 i = 0; i < trustedForwarder.length; i++) {
_trustedForwarder[trustedForwarder[i]] = true;
}
}
function isTrustedForwarder(address forwarder) public view virtual returns (bool) {
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File 18 of 39 : SafeERC20.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.0;
import "../../../../eip/interface/IERC20.sol";
import "../../../../lib/TWAddress.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using TWAddress for address;
function safeTransfer(
IERC20 token,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
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File 19 of 39 : AccessControlEnumerableUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControlEnumerable.sol)
pragma solidity ^0.8.0;
import "./IAccessControlEnumerableUpgradeable.sol";
import "./AccessControlUpgradeable.sol";
import "../utils/structs/EnumerableSetUpgradeable.sol";
import "../proxy/utils/Initializable.sol";
/**
* @dev Extension of {AccessControl} that allows enumerating the members of each role.
*/
abstract contract AccessControlEnumerableUpgradeable is Initializable, IAccessControlEnumerableUpgradeable, AccessControlUpgradeable {
function __AccessControlEnumerable_init() internal onlyInitializing {
}
function __AccessControlEnumerable_init_unchained() internal onlyInitializing {
}
using EnumerableSetUpgradeable for EnumerableSetUpgradeable.AddressSet;
mapping(bytes32 => EnumerableSetUpgradeable.AddressSet) private _roleMembers;
/**
* @dev See {IERC165-supportsInterface}.
*/
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File 20 of 39 : AccessControlUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/AccessControl.sol)
pragma solidity ^0.8.0;
import "./IAccessControlUpgradeable.sol";
import "../utils/ContextUpgradeable.sol";
import "../utils/StringsUpgradeable.sol";
import "../utils/introspection/ERC165Upgradeable.sol";
import "../proxy/utils/Initializable.sol";
/**
* @dev Contract module that allows children to implement role-based access
* control mechanisms. This is a lightweight version that doesn't allow enumerating role
* members except through off-chain means by accessing the contract event logs. Some
* applications may benefit from on-chain enumerability, for those cases see
* {AccessControlEnumerable}.
*
* 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");
* ```
*
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File 21 of 39 : IAccessControlEnumerableUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControlEnumerable.sol)
pragma solidity ^0.8.0;
import "./IAccessControlUpgradeable.sol";
/**
* @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
*/
interface IAccessControlEnumerableUpgradeable is IAccessControlUpgradeable {
/**
* @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) external view returns (address);
/**
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File 22 of 39 : IAccessControlUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)
pragma solidity ^0.8.0;
/**
* @dev External interface of AccessControl declared to support ERC165 detection.
*/
interface IAccessControlUpgradeable {
/**
* @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 {AccessControl-_setupRole}.
*/
event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
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File 23 of 39 : IERC2981Upgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)
pragma solidity ^0.8.0;
import "../utils/introspection/IERC165Upgradeable.sol";
/**
* @dev Interface for the NFT Royalty Standard.
*
* A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
* support for royalty payments across all NFT marketplaces and ecosystem participants.
*
* _Available since v4.5._
*/
interface IERC2981Upgradeable is IERC165Upgradeable {
/**
* @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
* exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
*/
function royaltyInfo(uint256 tokenId, uint256 salePrice)
external
view
returns (address receiver, uint256 royaltyAmount);
}
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File 24 of 39 : Initializable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)
pragma solidity ^0.8.2;
import "../../utils/AddressUpgradeable.sol";
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
* reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
* case an upgrade adds a module that needs to be initialized.
*
* For example:
*
* [.hljs-theme-light.nopadding]
* ```
* contract MyToken is ERC20Upgradeable {
* function initialize() initializer public {
* __ERC20_init("MyToken", "MTK");
* }
* }
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File 25 of 39 : ReentrancyGuardUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)
pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";
/**
* @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 ReentrancyGuardUpgradeable is Initializable {
// 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
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File 26 of 39 : ERC721Upgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/ERC721.sol)
pragma solidity ^0.8.0;
import "./IERC721Upgradeable.sol";
import "./IERC721ReceiverUpgradeable.sol";
import "./extensions/IERC721MetadataUpgradeable.sol";
import "../../utils/AddressUpgradeable.sol";
import "../../utils/ContextUpgradeable.sol";
import "../../utils/StringsUpgradeable.sol";
import "../../utils/introspection/ERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.sol";
/**
* @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
* the Metadata extension, but not including the Enumerable extension, which is available separately as
* {ERC721Enumerable}.
*/
contract ERC721Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721Upgradeable, IERC721MetadataUpgradeable {
using AddressUpgradeable for address;
using StringsUpgradeable for uint256;
// Token name
string private _name;
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File 27 of 39 : IERC721ReceiverUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)
pragma solidity ^0.8.0;
/**
* @title ERC721 token receiver interface
* @dev Interface for any contract that wants to support safeTransfers
* from ERC721 asset contracts.
*/
interface IERC721ReceiverUpgradeable {
/**
* @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
* by `operator` from `from`, this function is called.
*
* It must return its Solidity selector to confirm the token transfer.
* If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
*
* The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
*/
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
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File 28 of 39 : IERC721Upgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165Upgradeable.sol";
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721Upgradeable is IERC165Upgradeable {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
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File 29 of 39 : ERC721EnumerableUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Enumerable.sol)
pragma solidity ^0.8.0;
import "../ERC721Upgradeable.sol";
import "./IERC721EnumerableUpgradeable.sol";
import "../../../proxy/utils/Initializable.sol";
/**
* @dev This implements an optional extension of {ERC721} defined in the EIP that adds
* enumerability of all the token ids in the contract as well as all token ids owned by each
* account.
*/
abstract contract ERC721EnumerableUpgradeable is Initializable, ERC721Upgradeable, IERC721EnumerableUpgradeable {
function __ERC721Enumerable_init() internal onlyInitializing {
}
function __ERC721Enumerable_init_unchained() internal onlyInitializing {
}
// Mapping from owner to list of owned token IDs
mapping(address => mapping(uint256 => uint256)) private _ownedTokens;
// Mapping from token ID to index of the owner tokens list
mapping(uint256 => uint256) private _ownedTokensIndex;
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File 30 of 39 : IERC721EnumerableUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)
pragma solidity ^0.8.0;
import "../IERC721Upgradeable.sol";
/**
* @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721EnumerableUpgradeable is IERC721Upgradeable {
/**
* @dev Returns the total amount of tokens stored by the contract.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns a token ID owned by `owner` at a given `index` of its token list.
* Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);
/**
* @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
* Use along with {totalSupply} to enumerate all tokens.
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File 31 of 39 : IERC721MetadataUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)
pragma solidity ^0.8.0;
import "../IERC721Upgradeable.sol";
/**
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721MetadataUpgradeable is IERC721Upgradeable {
/**
* @dev Returns the token collection name.
*/
function name() external view returns (string memory);
/**
* @dev Returns the token collection symbol.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) external view returns (string memory);
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File 32 of 39 : AddressUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library AddressUpgradeable {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*
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File 33 of 39 : ContextUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract ContextUpgradeable is Initializable {
function __Context_init() internal onlyInitializing {
}
function __Context_init_unchained() internal onlyInitializing {
}
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
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File 34 of 39 : MulticallUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Multicall.sol)
pragma solidity ^0.8.0;
import "./AddressUpgradeable.sol";
import "../proxy/utils/Initializable.sol";
/**
* @dev Provides a function to batch together multiple calls in a single external call.
*
* _Available since v4.1._
*/
abstract contract MulticallUpgradeable is Initializable {
function __Multicall_init() internal onlyInitializing {
}
function __Multicall_init_unchained() internal onlyInitializing {
}
/**
* @dev Receives and executes a batch of function calls on this contract.
*/
function multicall(bytes[] calldata data) external virtual returns (bytes[] memory results) {
results = new bytes[](data.length);
for (uint256 i = 0; i < data.length; i++) {
results[i] = _functionDelegateCall(address(this), data[i]);
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File 35 of 39 : StringsUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library StringsUpgradeable {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
uint8 private constant _ADDRESS_LENGTH = 20;
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
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File 36 of 39 : ERC165Upgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
import "./IERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.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 ERC165Upgradeable is Initializable, IERC165Upgradeable {
function __ERC165_init() internal onlyInitializing {
}
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File 37 of 39 : IERC165Upgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165Upgradeable {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
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File 38 of 39 : BitMapsUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/structs/BitMaps.sol)
pragma solidity ^0.8.0;
/**
* @dev Library for managing uint256 to bool mapping in a compact and efficient way, providing the keys are sequential.
* Largelly inspired by Uniswap's https://github.com/Uniswap/merkle-distributor/blob/master/contracts/MerkleDistributor.sol[merkle-distributor].
*/
library BitMapsUpgradeable {
struct BitMap {
mapping(uint256 => uint256) _data;
}
/**
* @dev Returns whether the bit at `index` is set.
*/
function get(BitMap storage bitmap, uint256 index) internal view returns (bool) {
uint256 bucket = index >> 8;
uint256 mask = 1 << (index & 0xff);
return bitmap._data[bucket] & mask != 0;
}
/**
* @dev Sets the bit at `index` to the boolean `value`.
*/
function setTo(
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File 39 of 39 : EnumerableSetUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/structs/EnumerableSet.sol)
pragma solidity ^0.8.0;
/**
* @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;
* }
* ```
*
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Settings
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{
"optimizer": {
"enabled": true,
"runs": 490
},
"evmVersion": "london",
"remappings": [
":@chainlink/contracts/src/=node_modules/@chainlink/contracts/src/",
":@ds-test/=lib/ds-test/src/",
":@openzeppelin/=node_modules/@openzeppelin/",
":@std/=lib/forge-std/src/",
":contracts/=contracts/",
":ds-test/=lib/ds-test/src/",
":erc721a-upgradeable/=node_modules/erc721a-upgradeable/",
":erc721a/=node_modules/erc721a/",
":forge-std/=lib/forge-std/src/"
],
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
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Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","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":[{"components":[{"internalType":"uint256","name":"startTimestamp","type":"uint256"},{"internalType":"uint256","name":"maxClaimableSupply","type":"uint256"},{"internalType":"uint256","name":"supplyClaimed","type":"uint256"},{"internalType":"uint256","name":"quantityLimitPerTransaction","type":"uint256"},{"internalType":"uint256","name":"waitTimeInSecondsBetweenClaims","type":"uint256"},{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"internalType":"uint256","name":"pricePerToken","type":"uint256"},{"internalType":"address","name":"currency","type":"address"}],"indexed":false,"internalType":"struct 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A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.