Sponsored
Сoins.game
100 free spins for registration. Spin now!
Everyday giveaways up to 100 ETH, Lucky Spins. Deposit BONUS 300% and Cashbacks!
Celsius Casino
- $400 Freespins - Instant Withdraw - No KYC - 200% Bonus. Spin Now!
9 years old Licensed Crypto Casino, Instant Withdraw 24/7, 6000+ Slots available, Paypal Deposit, Instant Live Support 24/7, 30% Rakeback.
BC.GAME
- The Best ETH Casino Claim Now!
5000+ Slots & Live Casino Games, 50+cryptos. Register with Etherscan and get 760% deposit bonus. Win Big$, withdraw it fast.
Sponsored
BC.GAME
- The Best ETH Casino Claim Now!
5000+ Slots & Live Casino Games, 50+cryptos. Register with Etherscan and get 760% deposit bonus. Win Big$, withdraw it fast.
CryptoWins
$5 Freebie + 137% Match up to 1 BTC Welcome Booster! Claim Now!
Dive into 100s of games and play anonymously with major cryptos. Join CryptoWins today!
CryptoSlots
Play & Get 25 Free Spins at CryptoSlots Play Now
Anonymous play on awesome games - sign up now for 25 free jackpot spins - worth $100s!
OpenSeaOverview
TokenID
1866
Total Transfers
-
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract
Loading...
Loading
Loading...
Loading
Loading...
Loading
| # | Exchange | Pair | Price | 24H Volume | % Volume |
|---|
Contract Name:
Deadmigos
Compiler Version
v0.8.18+commit.87f61d96
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// File: https://github.com/ProjectOpenSea/operator-filter-registry/blob/main/src/lib/Constants.sol
// &@@@@&
// &&&&&&@&&@&&&&@@@&@@@@@@&
// &@&&&&&&&&&&&@&&&@&@@@@@@@@&&&&@@@@@
// &&&&&&&&&&&&&&&&&&&&&&&&@@@@&&&@&@&&&@@&@@@&
// #&&&&&&&&&&&&&&&&&&&&&&&&&&@@&&@&&&&&&&&&&&@&&&@&@@
// &&&&&&&&&&&&&&&&%&&&&&&&&&&&@&@@&&&&&@&&&@&&&&@&@&&&@@&&&#
// &&&&&&&&&%&&&&&&&&&&&&&&&&&@@@@@@@&@@&&&&@@@&&&&&&&&&&&@@@&&&&
// %%&%&&&&%%&%&&&&&&&&&@&&&&@&&@@@@@@@@@@&&&@&&&&&&&&&&&&&&&&@@&&&&&&
// %%%%#%%%%%%%%&&&&&&&&&&&&&&@@&&@@@@@@@&&&&&&&&&&&&&&&&&&&&&&&&&&&&&%%&
// %#####%%%%%%%%%&&&&&&&&&&&&&@@&&@@@@@@@@&&&&&@&&&&&&&&&&&&&&&&&&&%%%%%%
// %######%%%%%%#%%%%%&&&&&&&&&&@&&&@@@&&&&&&&&@&&&&&&&@&&&&&&&&&&%%%%%%%%%#
// %#(((%#%####%%%%%%%%&&&&@&&&&&&@@&@&&@&@&@&&&&&&&&&&&&&&&&&&&%%%%%%%%%%%%
// %#(((######%#%#%%%%%%%%&&&&&&&&@&&&&@@&&@&@@&&&&&&&&&&&&&&&&&&&%%%%%%&#%%%&
// #(((((#(#%%#%##%%&%%&&&&&&&&&&@&@&&&&@@@@@@@&&&&&&&&&&&&%&&&&%%%%%%%%%%%%%%
// ##(((((((###%%%#%&&%&&&&&&&&&&@&@&&@@@&&@@@&&@&&&&&&&&&&%&&&%%%%%%%######%%
// #((//(/((##%%&&%&&&&&&&&&&&&&&&&@@@@@@@@@@&&&&&&&&&&&&&&&&&&&&%%###((#(###%
// (((((///(%%%%%&%&%&%%&%##%%%%&&&&&&&&&&&&&&%%&%%&&&&&&&&&&&&&&&&%##((((##%
// (/(((/**%%%&&&%&&%%#(((((((((((###&%%%%%%%####(###(%&&&&&&&&&&&&&((((/(###&
// (//(//%%%%%##(/*///***/***//((((#((%%%&%###(((/****/*(*//((%%&&&&&%/(/(((#
// ((/(/((/*****************,****///(/((((#//***/**********/********(#%%(((((
// #(///**//////**********,*****/(*(#(%&%%(##((/**********////*/////**((##(#&
// (/(//#((((((/////**,,..,,,,,//(%&%&&@&&&%///**,,,...***/////((((((#((##(
// (*//(%###((((((((////***. /#(%&&&@@@&&&&##/*....****//(((((######%#(((#%
// (///(%%%%###%###((((///*,/(##%&&%,##*,*%&&#%(/..***/((((#((%%####%%%(####
// //#((&&&&%%%%######((/(((((#%#*,*,./*,,*%&&&####(//((#####%%%%%%&&&####(
// #((((/%&&&&&%%,,,/%(#%#%%&&&%%(,**,//.,,*,%%&&&&&%%%%#,%****%&&&&&&###(%#%
// (/###//(#%%%&&&&%&@@&&&&%%#((.,,,.,(,,,,,,#%%%&&&%&&&&&&&@%&&%%#((%%##(#(
// ///(((((((///////**/(####(((/*....,.,..//#%%%%##(//////*/(/(#(####%#((#
// //(((%##(####((#((((#%##,((/........***/##%%%##(#%(####((#%##((((/(
// ,,*(//**//(#####(/#%%&#,.*....(/....,.,%%%&&%########(///(#((/*,/
// ./*., ,**(##%###%&&&%%&&&&&&&&&&&&&&&&&&&%#%%%%(/* ,,/(&,
// //.,, . */(%%%&%&@&&@&&%&%#%&&&&@@@@@&&&&%&%%(/ ,,*((
// (*,,,, *###%&&&@@@@@&&&@@@&@@&&@@@@@@&&&@%%%# ..,*/(#
// (/*,,,. .(#%%(//&@&&%&&&&&@@&@&&@@&&&&%&%##%%#%& ,,,**/(
// /**/*/*,/(#%#%%&&#&&@#@@@@##@@%&.%@@&&@&%&&&&&**///((((
// /*//(((/*((##(#&%%&@&&@@@@&&@@@@&#@&&%&&%%####/(####((/
// //*(###(/*(*,,.,,.*,,....,..(##,,,,,,**/,/*(#/(%%%%#(((
// ///(#%#(/(//(/#((##*(#//(#/(((,(##,(%%(#%(/((%#%%&#((((
// */(/#%%%#(/*#(///(/**/*,**,,**.*/*///#//(%/###%%&%%(#(*
// (((#%%#####((//,//(/////%//(/*/**//*(#/##%%%%%%%%##(
// (((####(#(((#(**((/(#((#####(###/(%%%%#(%%%%%##((
// /((((((##/###%#%%%%%%%%&&%&&&&&&%%%%#%%###%#%#%
// //(((////(#(((###%%&&&&&&&%&%%%%%((((####(/
// ,,/////*((#%#%%##%#%%%%%&%#%(/((///*(
// ,,,,,,***(*/,(,**/*,,,,,,#
pragma solidity ^0.8.13;
address constant CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS = 0x000000000000AAeB6D7670E522A718067333cd4E;
address constant CANONICAL_CORI_SUBSCRIPTION = 0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6;
// File: https://github.com/ProjectOpenSea/operator-filter-registry/blob/main/src/IOperatorFilterRegistry.sol
pragma solidity ^0.8.13;
interface IOperatorFilterRegistry {
/**
* @notice Returns true if operator is not filtered for a given token, either by address or codeHash. Also returns
* true if supplied registrant address is not registered.
*/
function isOperatorAllowed(address registrant, address operator) external view returns (bool);
/**
* @notice Registers an address with the registry. May be called by address itself or by EIP-173 owner.
*/
function register(address registrant) external;
/**
* @notice Registers an address with the registry and "subscribes" to another address's filtered operators and codeHashes.
*/
function registerAndSubscribe(address registrant, address subscription) external;
/**
* @notice Registers an address with the registry and copies the filtered operators and codeHashes from another
* address without subscribing.
*/
function registerAndCopyEntries(address registrant, address registrantToCopy) external;
/**
* @notice Unregisters an address with the registry and removes its subscription. May be called by address itself or by EIP-173 owner.
* Note that this does not remove any filtered addresses or codeHashes.
* Also note that any subscriptions to this registrant will still be active and follow the existing filtered addresses and codehashes.
*/
function unregister(address addr) external;
/**
* @notice Update an operator address for a registered address - when filtered is true, the operator is filtered.
*/
function updateOperator(address registrant, address operator, bool filtered) external;
/**
* @notice Update multiple operators for a registered address - when filtered is true, the operators will be filtered. Reverts on duplicates.
*/
function updateOperators(address registrant, address[] calldata operators, bool filtered) external;
/**
* @notice Update a codeHash for a registered address - when filtered is true, the codeHash is filtered.
*/
function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;
/**
* @notice Update multiple codeHashes for a registered address - when filtered is true, the codeHashes will be filtered. Reverts on duplicates.
*/
function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;
/**
* @notice Subscribe an address to another registrant's filtered operators and codeHashes. Will remove previous
* subscription if present.
* Note that accounts with subscriptions may go on to subscribe to other accounts - in this case,
* subscriptions will not be forwarded. Instead the former subscription's existing entries will still be
* used.
*/
function subscribe(address registrant, address registrantToSubscribe) external;
/**
* @notice Unsubscribe an address from its current subscribed registrant, and optionally copy its filtered operators and codeHashes.
*/
function unsubscribe(address registrant, bool copyExistingEntries) external;
/**
* @notice Get the subscription address of a given registrant, if any.
*/
function subscriptionOf(address addr) external returns (address registrant);
/**
* @notice Get the set of addresses subscribed to a given registrant.
* Note that order is not guaranteed as updates are made.
*/
function subscribers(address registrant) external returns (address[] memory);
/**
* @notice Get the subscriber at a given index in the set of addresses subscribed to a given registrant.
* Note that order is not guaranteed as updates are made.
*/
function subscriberAt(address registrant, uint256 index) external returns (address);
/**
* @notice Copy filtered operators and codeHashes from a different registrantToCopy to addr.
*/
function copyEntriesOf(address registrant, address registrantToCopy) external;
/**
* @notice Returns true if operator is filtered by a given address or its subscription.
*/
function isOperatorFiltered(address registrant, address operator) external returns (bool);
/**
* @notice Returns true if the hash of an address's code is filtered by a given address or its subscription.
*/
function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);
/**
* @notice Returns true if a codeHash is filtered by a given address or its subscription.
*/
function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);
/**
* @notice Returns a list of filtered operators for a given address or its subscription.
*/
function filteredOperators(address addr) external returns (address[] memory);
/**
* @notice Returns the set of filtered codeHashes for a given address or its subscription.
* Note that order is not guaranteed as updates are made.
*/
function filteredCodeHashes(address addr) external returns (bytes32[] memory);
/**
* @notice Returns the filtered operator at the given index of the set of filtered operators for a given address or
* its subscription.
* Note that order is not guaranteed as updates are made.
*/
function filteredOperatorAt(address registrant, uint256 index) external returns (address);
/**
* @notice Returns the filtered codeHash at the given index of the list of filtered codeHashes for a given address or
* its subscription.
* Note that order is not guaranteed as updates are made.
*/
function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);
/**
* @notice Returns true if an address has registered
*/
function isRegistered(address addr) external returns (bool);
/**
* @dev Convenience method to compute the code hash of an arbitrary contract
*/
function codeHashOf(address addr) external returns (bytes32);
}
// File: https://github.com/ProjectOpenSea/operator-filter-registry/blob/main/src/OperatorFilterer.sol
pragma solidity ^0.8.13;
/**
* @title OperatorFilterer
* @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another
* registrant's entries in the OperatorFilterRegistry.
* @dev This smart contract is meant to be inherited by token contracts so they can use the following:
* - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods.
* - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods.
* Please note that if your token contract does not provide an owner with EIP-173, it must provide
* administration methods on the contract itself to interact with the registry otherwise the subscription
* will be locked to the options set during construction.
*/
abstract contract OperatorFilterer {
/// @dev Emitted when an operator is not allowed.
error OperatorNotAllowed(address operator);
IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY =
IOperatorFilterRegistry(CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS);
/// @dev The constructor that is called when the contract is being deployed.
constructor(address subscriptionOrRegistrantToCopy, bool subscribe) {
// If an inheriting token contract is deployed to a network without the registry deployed, the modifier
// will not revert, but the contract will need to be registered with the registry once it is deployed in
// order for the modifier to filter addresses.
if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
if (subscribe) {
OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);
} else {
if (subscriptionOrRegistrantToCopy != address(0)) {
OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);
} else {
OPERATOR_FILTER_REGISTRY.register(address(this));
}
}
}
}
/**
* @dev A helper function to check if an operator is allowed.
*/
modifier onlyAllowedOperator(address from) virtual {
// Allow spending tokens from addresses with balance
// Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred
// from an EOA.
if (from != msg.sender) {
_checkFilterOperator(msg.sender);
}
_;
}
/**
* @dev A helper function to check if an operator approval is allowed.
*/
modifier onlyAllowedOperatorApproval(address operator) virtual {
_checkFilterOperator(operator);
_;
}
/**
* @dev A helper function to check if an operator is allowed.
*/
function _checkFilterOperator(address operator) internal view virtual {
// Check registry code length to facilitate testing in environments without a deployed registry.
if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
// under normal circumstances, this function will revert rather than return false, but inheriting contracts
// may specify their own OperatorFilterRegistry implementations, which may behave differently
if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {
revert OperatorNotAllowed(operator);
}
}
}
}
// File: https://github.com/ProjectOpenSea/operator-filter-registry/blob/main/src/DefaultOperatorFilterer.sol
pragma solidity ^0.8.13;
/**
* @title DefaultOperatorFilterer
* @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription.
* @dev Please note that if your token contract does not provide an owner with EIP-173, it must provide
* administration methods on the contract itself to interact with the registry otherwise the subscription
* will be locked to the options set during construction.
*/
abstract contract DefaultOperatorFilterer is OperatorFilterer {
/// @dev The constructor that is called when the contract is being deployed.
constructor() OperatorFilterer(CANONICAL_CORI_SUBSCRIPTION, true) {}
}
// File: @openzeppelin/contracts/utils/cryptography/MerkleProof.sol
// OpenZeppelin Contracts (last updated v4.9.2) (utils/cryptography/MerkleProof.sol)
pragma solidity ^0.8.0;
/**
* @dev These functions deal with verification of Merkle Tree proofs.
*
* The tree and the proofs can be generated using our
* https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
* You will find a quickstart guide in the readme.
*
* WARNING: You should avoid using leaf values that are 64 bytes long prior to
* hashing, or use a hash function other than keccak256 for hashing leaves.
* This is because the concatenation of a sorted pair of internal nodes in
* the merkle tree could be reinterpreted as a leaf value.
* OpenZeppelin's JavaScript library generates merkle trees that are safe
* against this attack out of the box.
*/
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, bytes32 root, bytes32 leaf) internal pure returns (bool) {
return processProof(proof, leaf) == root;
}
/**
* @dev Calldata version of {verify}
*
* _Available since v4.7._
*/
function verifyCalldata(bytes32[] calldata proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
return processProofCalldata(proof, leaf) == root;
}
/**
* @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
* from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
* hash matches the root of the tree. When processing the proof, the pairs
* of leafs & pre-images are assumed to be sorted.
*
* _Available since v4.4._
*/
function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
computedHash = _hashPair(computedHash, proof[i]);
}
return computedHash;
}
/**
* @dev Calldata version of {processProof}
*
* _Available since v4.7._
*/
function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
computedHash = _hashPair(computedHash, proof[i]);
}
return computedHash;
}
/**
* @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by
* `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
*
* CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
*
* _Available since v4.7._
*/
function multiProofVerify(
bytes32[] memory proof,
bool[] memory proofFlags,
bytes32 root,
bytes32[] memory leaves
) internal pure returns (bool) {
return processMultiProof(proof, proofFlags, leaves) == root;
}
/**
* @dev Calldata version of {multiProofVerify}
*
* CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
*
* _Available since v4.7._
*/
function multiProofVerifyCalldata(
bytes32[] calldata proof,
bool[] calldata proofFlags,
bytes32 root,
bytes32[] memory leaves
) internal pure returns (bool) {
return processMultiProofCalldata(proof, proofFlags, leaves) == root;
}
/**
* @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
* proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
* leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
* respectively.
*
* CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
* is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
* tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
*
* _Available since v4.7._
*/
function processMultiProof(
bytes32[] memory proof,
bool[] memory proofFlags,
bytes32[] memory leaves
) internal pure returns (bytes32 merkleRoot) {
// This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by
// consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
// `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
// the merkle tree.
uint256 leavesLen = leaves.length;
uint256 proofLen = proof.length;
uint256 totalHashes = proofFlags.length;
// Check proof validity.
require(leavesLen + proofLen - 1 == totalHashes, "MerkleProof: invalid multiproof");
// The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
// `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
bytes32[] memory hashes = new bytes32[](totalHashes);
uint256 leafPos = 0;
uint256 hashPos = 0;
uint256 proofPos = 0;
// At each step, we compute the next hash using two values:
// - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
// get the next hash.
// - depending on the flag, either another value from the "main queue" (merging branches) or an element from the
// `proof` array.
for (uint256 i = 0; i < totalHashes; i++) {
bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
bytes32 b = proofFlags[i]
? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
: proof[proofPos++];
hashes[i] = _hashPair(a, b);
}
if (totalHashes > 0) {
require(proofPos == proofLen, "MerkleProof: invalid multiproof");
unchecked {
return hashes[totalHashes - 1];
}
} else if (leavesLen > 0) {
return leaves[0];
} else {
return proof[0];
}
}
/**
* @dev Calldata version of {processMultiProof}.
*
* CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
*
* _Available since v4.7._
*/
function processMultiProofCalldata(
bytes32[] calldata proof,
bool[] calldata proofFlags,
bytes32[] memory leaves
) internal pure returns (bytes32 merkleRoot) {
// This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by
// consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
// `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
// the merkle tree.
uint256 leavesLen = leaves.length;
uint256 proofLen = proof.length;
uint256 totalHashes = proofFlags.length;
// Check proof validity.
require(leavesLen + proofLen - 1 == totalHashes, "MerkleProof: invalid multiproof");
// The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
// `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
bytes32[] memory hashes = new bytes32[](totalHashes);
uint256 leafPos = 0;
uint256 hashPos = 0;
uint256 proofPos = 0;
// At each step, we compute the next hash using two values:
// - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
// get the next hash.
// - depending on the flag, either another value from the "main queue" (merging branches) or an element from the
// `proof` array.
for (uint256 i = 0; i < totalHashes; i++) {
bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
bytes32 b = proofFlags[i]
? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
: proof[proofPos++];
hashes[i] = _hashPair(a, b);
}
if (totalHashes > 0) {
require(proofPos == proofLen, "MerkleProof: invalid multiproof");
unchecked {
return hashes[totalHashes - 1];
}
} else if (leavesLen > 0) {
return leaves[0];
} else {
return proof[0];
}
}
function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
}
function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, a)
mstore(0x20, b)
value := keccak256(0x00, 0x40)
}
}
}
// File: erc721a/contracts/IERC721A.sol
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs
pragma solidity ^0.8.4;
/**
* @dev Interface of ERC721A.
*/
interface IERC721A {
/**
* The caller must own the token or be an approved operator.
*/
error ApprovalCallerNotOwnerNorApproved();
/**
* The token does not exist.
*/
error ApprovalQueryForNonexistentToken();
/**
* Cannot query the balance for the zero address.
*/
error BalanceQueryForZeroAddress();
/**
* Cannot mint to the zero address.
*/
error MintToZeroAddress();
/**
* The quantity of tokens minted must be more than zero.
*/
error MintZeroQuantity();
/**
* The token does not exist.
*/
error OwnerQueryForNonexistentToken();
/**
* The caller must own the token or be an approved operator.
*/
error TransferCallerNotOwnerNorApproved();
/**
* The token must be owned by `from`.
*/
error TransferFromIncorrectOwner();
/**
* Cannot safely transfer to a contract that does not implement the
* ERC721Receiver interface.
*/
error TransferToNonERC721ReceiverImplementer();
/**
* Cannot transfer to the zero address.
*/
error TransferToZeroAddress();
/**
* The token does not exist.
*/
error URIQueryForNonexistentToken();
/**
* The `quantity` minted with ERC2309 exceeds the safety limit.
*/
error MintERC2309QuantityExceedsLimit();
/**
* The `extraData` cannot be set on an unintialized ownership slot.
*/
error OwnershipNotInitializedForExtraData();
// =============================================================
// STRUCTS
// =============================================================
struct TokenOwnership {
// The address of the owner.
address addr;
// Stores the start time of ownership with minimal overhead for tokenomics.
uint64 startTimestamp;
// Whether the token has been burned.
bool burned;
// Arbitrary data similar to `startTimestamp` that can be set via {_extraData}.
uint24 extraData;
}
// =============================================================
// TOKEN COUNTERS
// =============================================================
/**
* @dev Returns the total number of tokens in existence.
* Burned tokens will reduce the count.
* To get the total number of tokens minted, please see {_totalMinted}.
*/
function totalSupply() external view returns (uint256);
// =============================================================
// 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 30000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
// =============================================================
// IERC721
// =============================================================
/**
* @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);
/**
* @dev Returns the number of tokens in `owner`'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address owner);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`,
* checking first that contract recipients are aware of the ERC721 protocol
* to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be have been allowed to move
* this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement
* {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes calldata data
) external payable;
/**
* @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external payable;
/**
* @dev Transfers `tokenId` from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom}
* whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token
* by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) external payable;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the
* zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external payable;
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom}
* for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}.
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
// =============================================================
// IERC721Metadata
// =============================================================
/**
* @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);
// =============================================================
// IERC2309
// =============================================================
/**
* @dev Emitted when tokens in `fromTokenId` to `toTokenId`
* (inclusive) is transferred from `from` to `to`, as defined in the
* [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard.
*
* See {_mintERC2309} for more details.
*/
event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);
}
// File: erc721a/contracts/ERC721A.sol
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs
pragma solidity ^0.8.4;
/**
* @dev Interface of ERC721 token receiver.
*/
interface ERC721A__IERC721Receiver {
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
}
/**
* @title ERC721A
*
* @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)
* Non-Fungible Token Standard, including the Metadata extension.
* Optimized for lower gas during batch mints.
*
* Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)
* starting from `_startTokenId()`.
*
* Assumptions:
*
* - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
* - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).
*/
contract ERC721A is IERC721A {
// Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364).
struct TokenApprovalRef {
address value;
}
// =============================================================
// CONSTANTS
// =============================================================
// Mask of an entry in packed address data.
uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;
// The bit position of `numberMinted` in packed address data.
uint256 private constant _BITPOS_NUMBER_MINTED = 64;
// The bit position of `numberBurned` in packed address data.
uint256 private constant _BITPOS_NUMBER_BURNED = 128;
// The bit position of `aux` in packed address data.
uint256 private constant _BITPOS_AUX = 192;
// Mask of all 256 bits in packed address data except the 64 bits for `aux`.
uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;
// The bit position of `startTimestamp` in packed ownership.
uint256 private constant _BITPOS_START_TIMESTAMP = 160;
// The bit mask of the `burned` bit in packed ownership.
uint256 private constant _BITMASK_BURNED = 1 << 224;
// The bit position of the `nextInitialized` bit in packed ownership.
uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;
// The bit mask of the `nextInitialized` bit in packed ownership.
uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;
// The bit position of `extraData` in packed ownership.
uint256 private constant _BITPOS_EXTRA_DATA = 232;
// Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.
uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;
// The mask of the lower 160 bits for addresses.
uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;
// The maximum `quantity` that can be minted with {_mintERC2309}.
// This limit is to prevent overflows on the address data entries.
// For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}
// is required to cause an overflow, which is unrealistic.
uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;
// The `Transfer` event signature is given by:
// `keccak256(bytes("Transfer(address,address,uint256)"))`.
bytes32 private constant _TRANSFER_EVENT_SIGNATURE =
0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;
// =============================================================
// STORAGE
// =============================================================
// The next token ID to be minted.
uint256 private _currentIndex;
// The number of tokens burned.
uint256 private _burnCounter;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Mapping from token ID to ownership details
// An empty struct value does not necessarily mean the token is unowned.
// See {_packedOwnershipOf} implementation for details.
//
// Bits Layout:
// - [0..159] `addr`
// - [160..223] `startTimestamp`
// - [224] `burned`
// - [225] `nextInitialized`
// - [232..255] `extraData`
mapping(uint256 => uint256) private _packedOwnerships;
// Mapping owner address to address data.
//
// Bits Layout:
// - [0..63] `balance`
// - [64..127] `numberMinted`
// - [128..191] `numberBurned`
// - [192..255] `aux`
mapping(address => uint256) private _packedAddressData;
// Mapping from token ID to approved address.
mapping(uint256 => TokenApprovalRef) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
// =============================================================
// CONSTRUCTOR
// =============================================================
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
_currentIndex = _startTokenId();
}
// =============================================================
// TOKEN COUNTING OPERATIONS
// =============================================================
/**
* @dev Returns the starting token ID.
* To change the starting token ID, please override this function.
*/
function _startTokenId() internal view virtual returns (uint256) {
return 0;
}
/**
* @dev Returns the next token ID to be minted.
*/
function _nextTokenId() internal view virtual returns (uint256) {
return _currentIndex;
}
/**
* @dev Returns the total number of tokens in existence.
* Burned tokens will reduce the count.
* To get the total number of tokens minted, please see {_totalMinted}.
*/
function totalSupply() public view virtual override returns (uint256) {
// Counter underflow is impossible as _burnCounter cannot be incremented
// more than `_currentIndex - _startTokenId()` times.
unchecked {
return _currentIndex - _burnCounter - _startTokenId();
}
}
/**
* @dev Returns the total amount of tokens minted in the contract.
*/
function _totalMinted() internal view virtual returns (uint256) {
// Counter underflow is impossible as `_currentIndex` does not decrement,
// and it is initialized to `_startTokenId()`.
unchecked {
return _currentIndex - _startTokenId();
}
}
/**
* @dev Returns the total number of tokens burned.
*/
function _totalBurned() internal view virtual returns (uint256) {
return _burnCounter;
}
// =============================================================
// ADDRESS DATA OPERATIONS
// =============================================================
/**
* @dev Returns the number of tokens in `owner`'s account.
*/
function balanceOf(address owner) public view virtual override returns (uint256) {
if (owner == address(0)) revert BalanceQueryForZeroAddress();
return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;
}
/**
* Returns the number of tokens minted by `owner`.
*/
function _numberMinted(address owner) internal view returns (uint256) {
return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY;
}
/**
* Returns the number of tokens burned by or on behalf of `owner`.
*/
function _numberBurned(address owner) internal view returns (uint256) {
return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY;
}
/**
* Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
*/
function _getAux(address owner) internal view returns (uint64) {
return uint64(_packedAddressData[owner] >> _BITPOS_AUX);
}
/**
* Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
* If there are multiple variables, please pack them into a uint64.
*/
function _setAux(address owner, uint64 aux) internal virtual {
uint256 packed = _packedAddressData[owner];
uint256 auxCasted;
// Cast `aux` with assembly to avoid redundant masking.
assembly {
auxCasted := aux
}
packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);
_packedAddressData[owner] = packed;
}
// =============================================================
// 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 30000 gas.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
// The interface IDs are constants representing the first 4 bytes
// of the XOR of all function selectors in the interface.
// See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)
// (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)
return
interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.
interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.
interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.
}
// =============================================================
// IERC721Metadata
// =============================================================
/**
* @dev Returns the token collection name.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the token collection symbol.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
if (!_exists(tokenId)) revert URIQueryForNonexistentToken();
string memory baseURI = _baseURI();
return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : '';
}
/**
* @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
* token will be the concatenation of the `baseURI` and the `tokenId`. Empty
* by default, it can be overridden in child contracts.
*/
function _baseURI() internal view virtual returns (string memory) {
return '';
}
// =============================================================
// OWNERSHIPS OPERATIONS
// =============================================================
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
return address(uint160(_packedOwnershipOf(tokenId)));
}
/**
* @dev Gas spent here starts off proportional to the maximum mint batch size.
* It gradually moves to O(1) as tokens get transferred around over time.
*/
function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) {
return _unpackedOwnership(_packedOwnershipOf(tokenId));
}
/**
* @dev Returns the unpacked `TokenOwnership` struct at `index`.
*/
function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) {
return _unpackedOwnership(_packedOwnerships[index]);
}
/**
* @dev Initializes the ownership slot minted at `index` for efficiency purposes.
*/
function _initializeOwnershipAt(uint256 index) internal virtual {
if (_packedOwnerships[index] == 0) {
_packedOwnerships[index] = _packedOwnershipOf(index);
}
}
/**
* Returns the packed ownership data of `tokenId`.
*/
function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) {
uint256 curr = tokenId;
unchecked {
if (_startTokenId() <= curr)
if (curr < _currentIndex) {
uint256 packed = _packedOwnerships[curr];
// If not burned.
if (packed & _BITMASK_BURNED == 0) {
// Invariant:
// There will always be an initialized ownership slot
// (i.e. `ownership.addr != address(0) && ownership.burned == false`)
// before an unintialized ownership slot
// (i.e. `ownership.addr == address(0) && ownership.burned == false`)
// Hence, `curr` will not underflow.
//
// We can directly compare the packed value.
// If the address is zero, packed will be zero.
while (packed == 0) {
packed = _packedOwnerships[--curr];
}
return packed;
}
}
}
revert OwnerQueryForNonexistentToken();
}
/**
* @dev Returns the unpacked `TokenOwnership` struct from `packed`.
*/
function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) {
ownership.addr = address(uint160(packed));
ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP);
ownership.burned = packed & _BITMASK_BURNED != 0;
ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);
}
/**
* @dev Packs ownership data into a single uint256.
*/
function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) {
assembly {
// Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
owner := and(owner, _BITMASK_ADDRESS)
// `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.
result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))
}
}
/**
* @dev Returns the `nextInitialized` flag set if `quantity` equals 1.
*/
function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) {
// For branchless setting of the `nextInitialized` flag.
assembly {
// `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.
result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))
}
}
// =============================================================
// APPROVAL OPERATIONS
// =============================================================
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the
* zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) public payable virtual override {
address owner = ownerOf(tokenId);
if (_msgSenderERC721A() != owner)
if (!isApprovedForAll(owner, _msgSenderERC721A())) {
revert ApprovalCallerNotOwnerNorApproved();
}
_tokenApprovals[tokenId].value = to;
emit Approval(owner, to, tokenId);
}
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) public view virtual override returns (address) {
if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();
return _tokenApprovals[tokenId].value;
}
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom}
* for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
_operatorApprovals[_msgSenderERC721A()][operator] = approved;
emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
}
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}.
*/
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted. See {_mint}.
*/
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return
_startTokenId() <= tokenId &&
tokenId < _currentIndex && // If within bounds,
_packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.
}
/**
* @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.
*/
function _isSenderApprovedOrOwner(
address approvedAddress,
address owner,
address msgSender
) private pure returns (bool result) {
assembly {
// Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
owner := and(owner, _BITMASK_ADDRESS)
// Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.
msgSender := and(msgSender, _BITMASK_ADDRESS)
// `msgSender == owner || msgSender == approvedAddress`.
result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))
}
}
/**
* @dev Returns the storage slot and value for the approved address of `tokenId`.
*/
function _getApprovedSlotAndAddress(uint256 tokenId)
private
view
returns (uint256 approvedAddressSlot, address approvedAddress)
{
TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];
// The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`.
assembly {
approvedAddressSlot := tokenApproval.slot
approvedAddress := sload(approvedAddressSlot)
}
}
// =============================================================
// TRANSFER OPERATIONS
// =============================================================
/**
* @dev Transfers `tokenId` from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token
* by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) public payable virtual override {
uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);
if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner();
(uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);
// The nested ifs save around 20+ gas over a compound boolean condition.
if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();
if (to == address(0)) revert TransferToZeroAddress();
_beforeTokenTransfers(from, to, tokenId, 1);
// Clear approvals from the previous owner.
assembly {
if approvedAddress {
// This is equivalent to `delete _tokenApprovals[tokenId]`.
sstore(approvedAddressSlot, 0)
}
}
// Underflow of the sender's balance is impossible because we check for
// ownership above and the recipient's balance can't realistically overflow.
// Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
unchecked {
// We can directly increment and decrement the balances.
--_packedAddressData[from]; // Updates: `balance -= 1`.
++_packedAddressData[to]; // Updates: `balance += 1`.
// Updates:
// - `address` to the next owner.
// - `startTimestamp` to the timestamp of transfering.
// - `burned` to `false`.
// - `nextInitialized` to `true`.
_packedOwnerships[tokenId] = _packOwnershipData(
to,
_BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked)
);
// If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
uint256 nextTokenId = tokenId + 1;
// If the next slot's address is zero and not burned (i.e. packed value is zero).
if (_packedOwnerships[nextTokenId] == 0) {
// If the next slot is within bounds.
if (nextTokenId != _currentIndex) {
// Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
_packedOwnerships[nextTokenId] = prevOwnershipPacked;
}
}
}
}
emit Transfer(from, to, tokenId);
_afterTokenTransfers(from, to, tokenId, 1);
}
/**
* @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public payable virtual override {
safeTransferFrom(from, to, tokenId, '');
}
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token
* by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement
* {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes memory _data
) public payable virtual override {
transferFrom(from, to, tokenId);
if (to.code.length != 0)
if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
revert TransferToNonERC721ReceiverImplementer();
}
}
/**
* @dev Hook that is called before a set of serially-ordered token IDs
* are about to be transferred. This includes minting.
* And also called before burning one token.
*
* `startTokenId` - the first token ID to be transferred.
* `quantity` - the amount to be transferred.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, `tokenId` will be burned by `from`.
* - `from` and `to` are never both zero.
*/
function _beforeTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
/**
* @dev Hook that is called after a set of serially-ordered token IDs
* have been transferred. This includes minting.
* And also called after one token has been burned.
*
* `startTokenId` - the first token ID to be transferred.
* `quantity` - the amount to be transferred.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
* transferred to `to`.
* - When `from` is zero, `tokenId` has been minted for `to`.
* - When `to` is zero, `tokenId` has been burned by `from`.
* - `from` and `to` are never both zero.
*/
function _afterTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
/**
* @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.
*
* `from` - Previous owner of the given token ID.
* `to` - Target address that will receive the token.
* `tokenId` - Token ID to be transferred.
* `_data` - Optional data to send along with the call.
*
* Returns whether the call correctly returned the expected magic value.
*/
function _checkContractOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns (
bytes4 retval
) {
return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert TransferToNonERC721ReceiverImplementer();
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
}
// =============================================================
// MINT OPERATIONS
// =============================================================
/**
* @dev Mints `quantity` tokens and transfers them to `to`.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `quantity` must be greater than 0.
*
* Emits a {Transfer} event for each mint.
*/
function _mint(address to, uint256 quantity) internal virtual {
uint256 startTokenId = _currentIndex;
if (quantity == 0) revert MintZeroQuantity();
_beforeTokenTransfers(address(0), to, startTokenId, quantity);
// Overflows are incredibly unrealistic.
// `balance` and `numberMinted` have a maximum limit of 2**64.
// `tokenId` has a maximum limit of 2**256.
unchecked {
// Updates:
// - `balance += quantity`.
// - `numberMinted += quantity`.
//
// We can directly add to the `balance` and `numberMinted`.
_packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);
// Updates:
// - `address` to the owner.
// - `startTimestamp` to the timestamp of minting.
// - `burned` to `false`.
// - `nextInitialized` to `quantity == 1`.
_packedOwnerships[startTokenId] = _packOwnershipData(
to,
_nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
);
uint256 toMasked;
uint256 end = startTokenId + quantity;
// Use assembly to loop and emit the `Transfer` event for gas savings.
// The duplicated `log4` removes an extra check and reduces stack juggling.
// The assembly, together with the surrounding Solidity code, have been
// delicately arranged to nudge the compiler into producing optimized opcodes.
assembly {
// Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
toMasked := and(to, _BITMASK_ADDRESS)
// Emit the `Transfer` event.
log4(
0, // Start of data (0, since no data).
0, // End of data (0, since no data).
_TRANSFER_EVENT_SIGNATURE, // Signature.
0, // `address(0)`.
toMasked, // `to`.
startTokenId // `tokenId`.
)
// The `iszero(eq(,))` check ensures that large values of `quantity`
// that overflows uint256 will make the loop run out of gas.
// The compiler will optimize the `iszero` away for performance.
for {
let tokenId := add(startTokenId, 1)
} iszero(eq(tokenId, end)) {
tokenId := add(tokenId, 1)
} {
// Emit the `Transfer` event. Similar to above.
log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
}
}
if (toMasked == 0) revert MintToZeroAddress();
_currentIndex = end;
}
_afterTokenTransfers(address(0), to, startTokenId, quantity);
}
/**
* @dev Mints `quantity` tokens and transfers them to `to`.
*
* This function is intended for efficient minting only during contract creation.
*
* It emits only one {ConsecutiveTransfer} as defined in
* [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),
* instead of a sequence of {Transfer} event(s).
*
* Calling this function outside of contract creation WILL make your contract
* non-compliant with the ERC721 standard.
* For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309
* {ConsecutiveTransfer} event is only permissible during contract creation.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `quantity` must be greater than 0.
*
* Emits a {ConsecutiveTransfer} event.
*/
function _mintERC2309(address to, uint256 quantity) internal virtual {
uint256 startTokenId = _currentIndex;
if (to == address(0)) revert MintToZeroAddress();
if (quantity == 0) revert MintZeroQuantity();
if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit();
_beforeTokenTransfers(address(0), to, startTokenId, quantity);
// Overflows are unrealistic due to the above check for `quantity` to be below the limit.
unchecked {
// Updates:
// - `balance += quantity`.
// - `numberMinted += quantity`.
//
// We can directly add to the `balance` and `numberMinted`.
_packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);
// Updates:
// - `address` to the owner.
// - `startTimestamp` to the timestamp of minting.
// - `burned` to `false`.
// - `nextInitialized` to `quantity == 1`.
_packedOwnerships[startTokenId] = _packOwnershipData(
to,
_nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
);
emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to);
_currentIndex = startTokenId + quantity;
}
_afterTokenTransfers(address(0), to, startTokenId, quantity);
}
/**
* @dev Safely mints `quantity` tokens and transfers them to `to`.
*
* Requirements:
*
* - If `to` refers to a smart contract, it must implement
* {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
* - `quantity` must be greater than 0.
*
* See {_mint}.
*
* Emits a {Transfer} event for each mint.
*/
function _safeMint(
address to,
uint256 quantity,
bytes memory _data
) internal virtual {
_mint(to, quantity);
unchecked {
if (to.code.length != 0) {
uint256 end = _currentIndex;
uint256 index = end - quantity;
do {
if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {
revert TransferToNonERC721ReceiverImplementer();
}
} while (index < end);
// Reentrancy protection.
if (_currentIndex != end) revert();
}
}
}
/**
* @dev Equivalent to `_safeMint(to, quantity, '')`.
*/
function _safeMint(address to, uint256 quantity) internal virtual {
_safeMint(to, quantity, '');
}
// =============================================================
// BURN OPERATIONS
// =============================================================
/**
* @dev Equivalent to `_burn(tokenId, false)`.
*/
function _burn(uint256 tokenId) internal virtual {
_burn(tokenId, false);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);
address from = address(uint160(prevOwnershipPacked));
(uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);
if (approvalCheck) {
// The nested ifs save around 20+ gas over a compound boolean condition.
if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();
}
_beforeTokenTransfers(from, address(0), tokenId, 1);
// Clear approvals from the previous owner.
assembly {
if approvedAddress {
// This is equivalent to `delete _tokenApprovals[tokenId]`.
sstore(approvedAddressSlot, 0)
}
}
// Underflow of the sender's balance is impossible because we check for
// ownership above and the recipient's balance can't realistically overflow.
// Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
unchecked {
// Updates:
// - `balance -= 1`.
// - `numberBurned += 1`.
//
// We can directly decrement the balance, and increment the number burned.
// This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.
_packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;
// Updates:
// - `address` to the last owner.
// - `startTimestamp` to the timestamp of burning.
// - `burned` to `true`.
// - `nextInitialized` to `true`.
_packedOwnerships[tokenId] = _packOwnershipData(
from,
(_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked)
);
// If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
uint256 nextTokenId = tokenId + 1;
// If the next slot's address is zero and not burned (i.e. packed value is zero).
if (_packedOwnerships[nextTokenId] == 0) {
// If the next slot is within bounds.
if (nextTokenId != _currentIndex) {
// Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
_packedOwnerships[nextTokenId] = prevOwnershipPacked;
}
}
}
}
emit Transfer(from, address(0), tokenId);
_afterTokenTransfers(from, address(0), tokenId, 1);
// Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
unchecked {
_burnCounter++;
}
}
// =============================================================
// EXTRA DATA OPERATIONS
// =============================================================
/**
* @dev Directly sets the extra data for the ownership data `index`.
*/
function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {
uint256 packed = _packedOwnerships[index];
if (packed == 0) revert OwnershipNotInitializedForExtraData();
uint256 extraDataCasted;
// Cast `extraData` with assembly to avoid redundant masking.
assembly {
extraDataCasted := extraData
}
packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA);
_packedOwnerships[index] = packed;
}
/**
* @dev Called during each token transfer to set the 24bit `extraData` field.
* Intended to be overridden by the cosumer contract.
*
* `previousExtraData` - the value of `extraData` before transfer.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, `tokenId` will be burned by `from`.
* - `from` and `to` are never both zero.
*/
function _extraData(
address from,
address to,
uint24 previousExtraData
) internal view virtual returns (uint24) {}
/**
* @dev Returns the next extra data for the packed ownership data.
* The returned result is shifted into position.
*/
function _nextExtraData(
address from,
address to,
uint256 prevOwnershipPacked
) private view returns (uint256) {
uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);
return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;
}
// =============================================================
// OTHER OPERATIONS
// =============================================================
/**
* @dev Returns the message sender (defaults to `msg.sender`).
*
* If you are writing GSN compatible contracts, you need to override this function.
*/
function _msgSenderERC721A() internal view virtual returns (address) {
return msg.sender;
}
/**
* @dev Converts a uint256 to its ASCII string decimal representation.
*/
function _toString(uint256 value) internal pure virtual returns (string memory str) {
assembly {
// The maximum value of a uint256 contains 78 digits (1 byte per digit), but
// we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
// We will need 1 word for the trailing zeros padding, 1 word for the length,
// and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.
let m := add(mload(0x40), 0xa0)
// Update the free memory pointer to allocate.
mstore(0x40, m)
// Assign the `str` to the end.
str := sub(m, 0x20)
// Zeroize the slot after the string.
mstore(str, 0)
// Cache the end of the memory to calculate the length later.
let end := str
// We write the string from rightmost digit to leftmost digit.
// The following is essentially a do-while loop that also handles the zero case.
// prettier-ignore
for { let temp := value } 1 {} {
str := sub(str, 1)
// Write the character to the pointer.
// The ASCII index of the '0' character is 48.
mstore8(str, add(48, mod(temp, 10)))
// Keep dividing `temp` until zero.
temp := div(temp, 10)
// prettier-ignore
if iszero(temp) { break }
}
let length := sub(end, str)
// Move the pointer 32 bytes leftwards to make room for the length.
str := sub(str, 0x20)
// Store the length.
mstore(str, length)
}
}
}
// File: @openzeppelin/contracts/utils/math/SignedMath.sol
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)
pragma solidity ^0.8.0;
/**
* @dev Standard signed math utilities missing in the Solidity language.
*/
library SignedMath {
/**
* @dev Returns the largest of two signed numbers.
*/
function max(int256 a, int256 b) internal pure returns (int256) {
return a > b ? a : b;
}
/**
* @dev Returns the smallest of two signed numbers.
*/
function min(int256 a, int256 b) internal pure returns (int256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two signed numbers without overflow.
* The result is rounded towards zero.
*/
function average(int256 a, int256 b) internal pure returns (int256) {
// Formula from the book "Hacker's Delight"
int256 x = (a & b) + ((a ^ b) >> 1);
return x + (int256(uint256(x) >> 255) & (a ^ b));
}
/**
* @dev Returns the absolute unsigned value of a signed value.
*/
function abs(int256 n) internal pure returns (uint256) {
unchecked {
// must be unchecked in order to support `n = type(int256).min`
return uint256(n >= 0 ? n : -n);
}
}
}
// File: @openzeppelin/contracts/utils/math/Math.sol
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)
pragma solidity ^0.8.0;
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library Math {
enum Rounding {
Down, // Toward negative infinity
Up, // Toward infinity
Zero // Toward zero
}
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a > b ? a : b;
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow.
return (a & b) + (a ^ b) / 2;
}
/**
* @dev Returns the ceiling of the division of two numbers.
*
* This differs from standard division with `/` in that it rounds up instead
* of rounding down.
*/
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b - 1) / b can overflow on addition, so we distribute.
return a == 0 ? 0 : (a - 1) / b + 1;
}
/**
* @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
* @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
* with further edits by Uniswap Labs also under MIT license.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
unchecked {
// 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
// use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
// variables such that product = prod1 * 2^256 + prod0.
uint256 prod0; // Least significant 256 bits of the product
uint256 prod1; // Most significant 256 bits of the product
assembly {
let mm := mulmod(x, y, not(0))
prod0 := mul(x, y)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
// Handle non-overflow cases, 256 by 256 division.
if (prod1 == 0) {
// Solidity will revert if denominator == 0, unlike the div opcode on its own.
// The surrounding unchecked block does not change this fact.
// See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
return prod0 / denominator;
}
// Make sure the result is less than 2^256. Also prevents denominator == 0.
require(denominator > prod1, "Math: mulDiv overflow");
///////////////////////////////////////////////
// 512 by 256 division.
///////////////////////////////////////////////
// Make division exact by subtracting the remainder from [prod1 prod0].
uint256 remainder;
assembly {
// Compute remainder using mulmod.
remainder := mulmod(x, y, denominator)
// Subtract 256 bit number from 512 bit number.
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
// Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
// See https://cs.stackexchange.com/q/138556/92363.
// Does not overflow because the denominator cannot be zero at this stage in the function.
uint256 twos = denominator & (~denominator + 1);
assembly {
// Divide denominator by twos.
denominator := div(denominator, twos)
// Divide [prod1 prod0] by twos.
prod0 := div(prod0, twos)
// Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
twos := add(div(sub(0, twos), twos), 1)
}
// Shift in bits from prod1 into prod0.
prod0 |= prod1 * twos;
// Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
// that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
// four bits. That is, denominator * inv = 1 mod 2^4.
uint256 inverse = (3 * denominator) ^ 2;
// Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
// in modular arithmetic, doubling the correct bits in each step.
inverse *= 2 - denominator * inverse; // inverse mod 2^8
inverse *= 2 - denominator * inverse; // inverse mod 2^16
inverse *= 2 - denominator * inverse; // inverse mod 2^32
inverse *= 2 - denominator * inverse; // inverse mod 2^64
inverse *= 2 - denominator * inverse; // inverse mod 2^128
inverse *= 2 - denominator * inverse; // inverse mod 2^256
// Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
// This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
// less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
// is no longer required.
result = prod0 * inverse;
return result;
}
}
/**
* @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
uint256 result = mulDiv(x, y, denominator);
if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
result += 1;
}
return result;
}
/**
* @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
*
* Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
*/
function sqrt(uint256 a) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
// For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
//
// We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
// `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
//
// This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
// → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
// → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
//
// Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
uint256 result = 1 << (log2(a) >> 1);
// At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
// since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
// every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
// into the expected uint128 result.
unchecked {
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
return min(result, a / result);
}
}
/**
* @notice Calculates sqrt(a), following the selected rounding direction.
*/
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
}
}
/**
* @dev Return the log in base 2, rounded down, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 128;
}
if (value >> 64 > 0) {
value >>= 64;
result += 64;
}
if (value >> 32 > 0) {
value >>= 32;
result += 32;
}
if (value >> 16 > 0) {
value >>= 16;
result += 16;
}
if (value >> 8 > 0) {
value >>= 8;
result += 8;
}
if (value >> 4 > 0) {
value >>= 4;
result += 4;
}
if (value >> 2 > 0) {
value >>= 2;
result += 2;
}
if (value >> 1 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 2, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 10, rounded down, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10 ** 64) {
value /= 10 ** 64;
result += 64;
}
if (value >= 10 ** 32) {
value /= 10 ** 32;
result += 32;
}
if (value >= 10 ** 16) {
value /= 10 ** 16;
result += 16;
}
if (value >= 10 ** 8) {
value /= 10 ** 8;
result += 8;
}
if (value >= 10 ** 4) {
value /= 10 ** 4;
result += 4;
}
if (value >= 10 ** 2) {
value /= 10 ** 2;
result += 2;
}
if (value >= 10 ** 1) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 256, rounded down, of a positive value.
* Returns 0 if given 0.
*
* Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
*/
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 16;
}
if (value >> 64 > 0) {
value >>= 64;
result += 8;
}
if (value >> 32 > 0) {
value >>= 32;
result += 4;
}
if (value >> 16 > 0) {
value >>= 16;
result += 2;
}
if (value >> 8 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 256, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
}
}
}
// File: @openzeppelin/contracts/utils/Strings.sol
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library Strings {
bytes16 private constant _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) {
unchecked {
uint256 length = Math.log10(value) + 1;
string memory buffer = new string(length);
uint256 ptr;
/// @solidity memory-safe-assembly
assembly {
ptr := add(buffer, add(32, length))
}
while (true) {
ptr--;
/// @solidity memory-safe-assembly
assembly {
mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
}
value /= 10;
if (value == 0) break;
}
return buffer;
}
}
/**
* @dev Converts a `int256` to its ASCII `string` decimal representation.
*/
function toString(int256 value) internal pure returns (string memory) {
return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value))));
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
unchecked {
return toHexString(value, Math.log256(value) + 1);
}
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
/**
* @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
*/
function toHexString(address addr) internal pure returns (string memory) {
return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
}
/**
* @dev Returns true if the two strings are equal.
*/
function equal(string memory a, string memory b) internal pure returns (bool) {
return keccak256(bytes(a)) == keccak256(bytes(b));
}
}
// File: @openzeppelin/contracts/utils/Context.sol
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
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: @openzeppelin/contracts/access/Ownable.sol
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
/**
* @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() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(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");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File: @openzeppelin/contracts/security/ReentrancyGuard.sol
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)
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 making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
_nonReentrantBefore();
_;
_nonReentrantAfter();
}
function _nonReentrantBefore() private {
// On the first call to nonReentrant, _status will be _NOT_ENTERED
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
}
function _nonReentrantAfter() private {
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
/**
* @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
* `nonReentrant` function in the call stack.
*/
function _reentrancyGuardEntered() internal view returns (bool) {
return _status == _ENTERED;
}
}
// File: contracts/Deadmigos.sol
//SPDX-License-Identifier: MIT
/**
THIS CONTRACT WAS PROVIDED BY Lochki02
Projects: https://linktr.ee/lochki
Portfolio: https://lochki02.it/
*/
pragma solidity ^0.8.17;
contract Deadmigos is ERC721A, Ownable, ReentrancyGuard, DefaultOperatorFilterer {
using Strings for uint256;
uint256 public publicSupply = 6666;
uint256 public wlSupply = 3000;
uint256 public maxperTxn = 3;
uint256 public cost = 0.0066 ether;
uint256 public wlCost = 0.0066 ether;
bool public isPreMint = false;
bool public isRevealed = false;
bool public pause = true;
string private baseURL = "";
string public hiddenMetadataUrl;
bytes32 public merkleRoot;
mapping(address => bool) public claimed;
constructor()
ERC721A("Deadmigos", "DDMGS") {
_safeMint(msg.sender, 20);
}
function _baseURI() internal view override returns (string memory) {
return baseURL;
}
function setBaseUri(string memory _baseURL) public onlyOwner {
baseURL = _baseURL;
}
function sethiddenMetadataUrl(string memory _hiddenMetadataUrl) public onlyOwner {
hiddenMetadataUrl = _hiddenMetadataUrl;
}
function reveal(bool _state) external onlyOwner {
isRevealed = _state;
}
function _startTokenId() internal view virtual override returns (uint256) {
return 1;
}
function presaleSwitch(bool _state) external onlyOwner {
isPreMint = _state;
}
function publicMint(uint256 mintAmount) external payable mintChecks(mintAmount) {
require(!isPreMint, "Public mint is not active");
require(_totalMinted() + mintAmount <= publicSupply,"Exceeds max supply");
_safeMint(msg.sender, mintAmount);
if(totalSupply() == publicSupply) isPreMint = true;
}
function preMint(uint256 mintAmount, bytes32[] calldata _merkleProof) external payable mintChecks(mintAmount){
require(isPreMint, "Pre mint not start");
bytes32 leaf = keccak256(abi.encodePacked(msg.sender));
require(MerkleProof.verify(_merkleProof, merkleRoot, leaf), "You're not whitelisted!");
require(mintAmount <= maxperTxn, "max per txn exceeded");
require(totalSupply() + mintAmount <= wlSupply, "Exceeds WL supply");
_safeMint(msg.sender, mintAmount);
if(!claimed[msg.sender]) claimed[msg.sender] = true;
if(totalSupply() == wlSupply) isPreMint = false;
}
modifier mintChecks(uint256 mintAmount){
require(!pause, "The contract is paused");
require(mintAmount <= maxperTxn, "max per txn exceeded");
require(msg.value >= getCost(mintAmount), "Insufficient funds");
_;
}
function getCost(uint256 amount) public view returns(uint256){
if(isPreMint){
uint256 toPay = claimed[msg.sender] ? amount : amount - 1;
return toPay * wlCost;
}
else return amount * cost;
}
function setPublicSupply(uint256 newMaxSupply) external onlyOwner {
publicSupply = newMaxSupply;
}
function setWlSupply(uint256 newWlSupply) external onlyOwner {
wlSupply = newWlSupply;
}
function tokenURI(uint256 tokenId)
public
view
override
returns (string memory)
{
require(_exists(tokenId), "That token doesn't exist");
if(isRevealed == false) {
return hiddenMetadataUrl;
}
return bytes(_baseURI()).length > 0
? string(abi.encodePacked(_baseURI(), tokenId.toString(), ".json"))
: "";
}
function walletOfOwner(address _owner)
public
view
returns (uint256[] memory)
{
uint256 ownerTokenCount = balanceOf(_owner);
uint256[] memory ownedTokenIds = new uint256[](ownerTokenCount);
uint256 currentTokenId = _startTokenId();
uint256 ownedTokenIndex = 0;
address latestOwnerAddress;
while (
ownedTokenIndex < ownerTokenCount && currentTokenId <= (publicSupply + wlSupply)
) {
TokenOwnership memory ownership = _ownershipOf(currentTokenId);
if (!ownership.burned && ownership.addr != address(0)) {
latestOwnerAddress = ownership.addr;
}
if (latestOwnerAddress == _owner) {
ownedTokenIds[ownedTokenIndex] = currentTokenId;
ownedTokenIndex++;
}
currentTokenId++;
}
return ownedTokenIds;
}
function setCost(uint256 _newCost) public onlyOwner{
cost = _newCost;
}
function setWlCost(uint256 _newCost) public onlyOwner{
wlCost = _newCost;
}
function setMaxPerTxn(uint _newMax) public onlyOwner{
maxperTxn = _newMax;
}
function setPause(bool _state) public onlyOwner{
pause = _state;
}
function airDrop(address to, uint256 mintAmount) external onlyOwner {
require(
_totalMinted() + mintAmount <= (publicSupply + wlSupply),
"Exceeds max supply"
);
_safeMint(to, mintAmount);
}
function setMerkleRoot(bytes32 _newMerkle) public onlyOwner{
merkleRoot = _newMerkle;
}
function withdraw() external onlyOwner {
(bool success, ) = payable(owner()).call{
value: address(this).balance
}("");
require(success);
}
function transferFrom(address from, address to, uint256 tokenId) public payable override onlyAllowedOperator(from) {
super.transferFrom(from, to, tokenId);
}
function safeTransferFrom(address from, address to, uint256 tokenId) public payable override onlyAllowedOperator(from) {
super.safeTransferFrom(from, to, tokenId);
}
function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data)
public
payable
override
onlyAllowedOperator(from)
{
super.safeTransferFrom(from, to, tokenId, data);
}
}{
"optimizer": {
"enabled": true,
"runs": 200
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"OperatorNotAllowed","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"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":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"OPERATOR_FILTER_REGISTRY","outputs":[{"internalType":"contract IOperatorFilterRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"mintAmount","type":"uint256"}],"name":"airDrop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"claimed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"getCost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"hiddenMetadataUrl","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isPreMint","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isRevealed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxperTxn","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"merkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"mintAmount","type":"uint256"},{"internalType":"bytes32[]","name":"_merkleProof","type":"bytes32[]"}],"name":"preMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"presaleSwitch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"mintAmount","type":"uint256"}],"name":"publicMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"publicSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"reveal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_baseURL","type":"string"}],"name":"setBaseUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newCost","type":"uint256"}],"name":"setCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newMax","type":"uint256"}],"name":"setMaxPerTxn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_newMerkle","type":"bytes32"}],"name":"setMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setPause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newMaxSupply","type":"uint256"}],"name":"setPublicSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newCost","type":"uint256"}],"name":"setWlCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newWlSupply","type":"uint256"}],"name":"setWlSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_hiddenMetadataUrl","type":"string"}],"name":"sethiddenMetadataUrl","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":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"walletOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"wlCost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"wlSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]Contract Creation Code
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
Deployed Bytecode
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
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
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.