Overview
APE Balance
0 APE
APE Value
$0.00More Info
Private Name Tags
ContractCreator
Latest 1 from a total of 1 transactions
Transaction Hash |
Method
|
Block
|
From
|
To
|
|||||
---|---|---|---|---|---|---|---|---|---|
0x60a06040 | 994490 | 27 days ago | IN | 0 APE | 0.11548156 |
Loading...
Loading
This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.
Contract Source Code Verified (Exact Match)
Contract Name:
ApeSea
Compiler Version
v0.8.24+commit.e11b9ed9
Optimization Enabled:
No with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.24; import "erc721a-upgradeable/contracts/ERC721AUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/utils/ReentrancyGuardUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/utils/cryptography/EIP712Upgradeable.sol"; import "@openzeppelin/contracts/utils/cryptography/SignatureChecker.sol"; contract ApeSea is ERC721AUpgradeable, Initializable, UUPSUpgradeable, OwnableUpgradeable, ReentrancyGuardUpgradeable, EIP712Upgradeable { uint256 public constant MAX_SUPPLY = 2000; bytes32 internal constant MINT_DATA_TYPEHASH = keccak256( "Mint(address minter,uint8 phaseSide)" ); struct Phase { uint256 startTime; uint256 endTime; uint256 minted; } enum PhaseSide { BaycHolder, BaycMaycHolder, Public } mapping(PhaseSide => Phase) internal phases; mapping(PhaseSide => uint256) internal phaseMaxSupply; mapping(address => bool) public userMinted; address public signer; string public baseURI; modifier onlyMinter(address minter) { require(minter == tx.origin, "No contract please"); _; } function initialize(address initialOwner, string memory name, string memory symbol) public initializerERC721A initializer { __EIP712_init(name, "1"); __Ownable_init(initialOwner); __UUPSUpgradeable_init(); __ERC721A_init(name, symbol); } function _authorizeUpgrade(address) internal override onlyOwner {} function mint(bytes memory signature) external nonReentrant onlyMinter(msg.sender) { require(!userMinted[msg.sender], "Already minted"); PhaseSide phaseSide = getActivePhase(); Phase storage phase = phases[phaseSide]; require(phase.minted + 1 <= getPhaseMaxSupply(phaseSide), "Max phase supply exceeded"); require(totalSupply() + 1 <= MAX_SUPPLY, "Max supply exceeded"); require(verifySignature(msg.sender, phaseSide, signature), "Invalid signature"); userMinted[msg.sender] = true; phase.minted += 1; _safeMint(msg.sender, 1); } function setPhaseTimes(PhaseSide phaseSide, uint256 startTime, uint256 endTime) external onlyOwner { require(endTime > startTime, "Invalid timestamp"); phases[phaseSide].startTime = startTime; phases[phaseSide].endTime = endTime; } function setPhaseMaxSupply(PhaseSide phaseSide, uint256 maxSupply) external onlyOwner { phaseMaxSupply[phaseSide] = maxSupply; } function setSigner(address _signer) external onlyOwner { signer = _signer; } function setBaseURI(string memory _baseURI) external onlyOwner { baseURI = _baseURI; } function getActivePhase() public view returns(PhaseSide) { if (phases[PhaseSide.BaycHolder].startTime <= block.timestamp && phases[PhaseSide.BaycHolder].endTime > block.timestamp) return PhaseSide.BaycHolder; if (phases[PhaseSide.BaycMaycHolder].startTime <= block.timestamp && phases[PhaseSide.BaycMaycHolder].endTime > block.timestamp) return PhaseSide.BaycMaycHolder; if (phases[PhaseSide.Public].startTime <= block.timestamp && phases[PhaseSide.Public].endTime > block.timestamp) return PhaseSide.Public; revert("Mint not active"); } function getPhase(PhaseSide phaseSide) external view returns(Phase memory) { return phases[phaseSide]; } function getPhaseMaxSupply(PhaseSide phaseSide) public view returns(uint256) { if (phaseSide == PhaseSide.Public) return MAX_SUPPLY - phases[PhaseSide.BaycHolder].minted - phases[PhaseSide.BaycMaycHolder].minted; return phaseMaxSupply[phaseSide]; } function verifySignature(address minter, PhaseSide phaseSide, bytes memory signature) internal view returns (bool) { bytes32 hashToSign = _hashTypedDataV4( keccak256( abi.encode( MINT_DATA_TYPEHASH, minter, phaseSide ) ) ); return SignatureChecker.isValidSignatureNow( signer, hashToSign, signature ); } function _startTokenId() internal view virtual override returns (uint256) { return 1; } function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) _revert(URIQueryForNonexistentToken.selector); return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId), '.json')) : ''; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol) pragma solidity ^0.8.20; import {ContextUpgradeable} from "../utils/ContextUpgradeable.sol"; import {Initializable} from "../proxy/utils/Initializable.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * The initial owner is set to the address provided by the deployer. 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 OwnableUpgradeable is Initializable, ContextUpgradeable { /// @custom:storage-location erc7201:openzeppelin.storage.Ownable struct OwnableStorage { address _owner; } // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Ownable")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant OwnableStorageLocation = 0x9016d09d72d40fdae2fd8ceac6b6234c7706214fd39c1cd1e609a0528c199300; function _getOwnableStorage() private pure returns (OwnableStorage storage $) { assembly { $.slot := OwnableStorageLocation } } /** * @dev The caller account is not authorized to perform an operation. */ error OwnableUnauthorizedAccount(address account); /** * @dev The owner is not a valid owner account. (eg. `address(0)`) */ error OwnableInvalidOwner(address owner); event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the address provided by the deployer as the initial owner. */ function __Ownable_init(address initialOwner) internal onlyInitializing { __Ownable_init_unchained(initialOwner); } function __Ownable_init_unchained(address initialOwner) internal onlyInitializing { if (initialOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(initialOwner); } /** * @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) { OwnableStorage storage $ = _getOwnableStorage(); return $._owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { if (owner() != _msgSender()) { revert OwnableUnauthorizedAccount(_msgSender()); } } /** * @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 { if (newOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { OwnableStorage storage $ = _getOwnableStorage(); address oldOwner = $._owner; $._owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/Initializable.sol) pragma solidity ^0.8.20; /** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in * case an upgrade adds a module that needs to be initialized. * * For example: * * [.hljs-theme-light.nopadding] * ```solidity * contract MyToken is ERC20Upgradeable { * function initialize() initializer public { * __ERC20_init("MyToken", "MTK"); * } * } * * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable { * function initializeV2() reinitializer(2) public { * __ERC20Permit_init("MyToken"); * } * } * ``` * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() { * _disableInitializers(); * } * ``` * ==== */ abstract contract Initializable { /** * @dev Storage of the initializable contract. * * It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions * when using with upgradeable contracts. * * @custom:storage-location erc7201:openzeppelin.storage.Initializable */ struct InitializableStorage { /** * @dev Indicates that the contract has been initialized. */ uint64 _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool _initializing; } // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Initializable")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00; /** * @dev The contract is already initialized. */ error InvalidInitialization(); /** * @dev The contract is not initializing. */ error NotInitializing(); /** * @dev Triggered when the contract has been initialized or reinitialized. */ event Initialized(uint64 version); /** * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope, * `onlyInitializing` functions can be used to initialize parent contracts. * * Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any * number of times. This behavior in the constructor can be useful during testing and is not expected to be used in * production. * * Emits an {Initialized} event. */ modifier initializer() { // solhint-disable-next-line var-name-mixedcase InitializableStorage storage $ = _getInitializableStorage(); // Cache values to avoid duplicated sloads bool isTopLevelCall = !$._initializing; uint64 initialized = $._initialized; // Allowed calls: // - initialSetup: the contract is not in the initializing state and no previous version was // initialized // - construction: the contract is initialized at version 1 (no reininitialization) and the // current contract is just being deployed bool initialSetup = initialized == 0 && isTopLevelCall; bool construction = initialized == 1 && address(this).code.length == 0; if (!initialSetup && !construction) { revert InvalidInitialization(); } $._initialized = 1; if (isTopLevelCall) { $._initializing = true; } _; if (isTopLevelCall) { $._initializing = false; emit Initialized(1); } } /** * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be * used to initialize parent contracts. * * A reinitializer may be used after the original initialization step. This is essential to configure modules that * are added through upgrades and that require initialization. * * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer` * cannot be nested. If one is invoked in the context of another, execution will revert. * * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in * a contract, executing them in the right order is up to the developer or operator. * * WARNING: Setting the version to 2**64 - 1 will prevent any future reinitialization. * * Emits an {Initialized} event. */ modifier reinitializer(uint64 version) { // solhint-disable-next-line var-name-mixedcase InitializableStorage storage $ = _getInitializableStorage(); if ($._initializing || $._initialized >= version) { revert InvalidInitialization(); } $._initialized = version; $._initializing = true; _; $._initializing = false; emit Initialized(version); } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} and {reinitializer} modifiers, directly or indirectly. */ modifier onlyInitializing() { _checkInitializing(); _; } /** * @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}. */ function _checkInitializing() internal view virtual { if (!_isInitializing()) { revert NotInitializing(); } } /** * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call. * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized * to any version. It is recommended to use this to lock implementation contracts that are designed to be called * through proxies. * * Emits an {Initialized} event the first time it is successfully executed. */ function _disableInitializers() internal virtual { // solhint-disable-next-line var-name-mixedcase InitializableStorage storage $ = _getInitializableStorage(); if ($._initializing) { revert InvalidInitialization(); } if ($._initialized != type(uint64).max) { $._initialized = type(uint64).max; emit Initialized(type(uint64).max); } } /** * @dev Returns the highest version that has been initialized. See {reinitializer}. */ function _getInitializedVersion() internal view returns (uint64) { return _getInitializableStorage()._initialized; } /** * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}. */ function _isInitializing() internal view returns (bool) { return _getInitializableStorage()._initializing; } /** * @dev Returns a pointer to the storage namespace. */ // solhint-disable-next-line var-name-mixedcase function _getInitializableStorage() private pure returns (InitializableStorage storage $) { assembly { $.slot := INITIALIZABLE_STORAGE } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (proxy/utils/UUPSUpgradeable.sol) pragma solidity ^0.8.20; import {IERC1822Proxiable} from "@openzeppelin/contracts/interfaces/draft-IERC1822.sol"; import {ERC1967Utils} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol"; import {Initializable} from "./Initializable.sol"; /** * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy. * * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing * `UUPSUpgradeable` with a custom implementation of upgrades. * * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism. */ abstract contract UUPSUpgradeable is Initializable, IERC1822Proxiable { /// @custom:oz-upgrades-unsafe-allow state-variable-immutable address private immutable __self = address(this); /** * @dev The version of the upgrade interface of the contract. If this getter is missing, both `upgradeTo(address)` * and `upgradeToAndCall(address,bytes)` are present, and `upgradeTo` must be used if no function should be called, * while `upgradeToAndCall` will invoke the `receive` function if the second argument is the empty byte string. * If the getter returns `"5.0.0"`, only `upgradeToAndCall(address,bytes)` is present, and the second argument must * be the empty byte string if no function should be called, making it impossible to invoke the `receive` function * during an upgrade. */ string public constant UPGRADE_INTERFACE_VERSION = "5.0.0"; /** * @dev The call is from an unauthorized context. */ error UUPSUnauthorizedCallContext(); /** * @dev The storage `slot` is unsupported as a UUID. */ error UUPSUnsupportedProxiableUUID(bytes32 slot); /** * @dev Check that the execution is being performed through a delegatecall call and that the execution context is * a proxy contract with an implementation (as defined in ERC-1967) pointing to self. This should only be the case * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a * function through ERC-1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to * fail. */ modifier onlyProxy() { _checkProxy(); _; } /** * @dev Check that the execution is not being performed through a delegate call. This allows a function to be * callable on the implementing contract but not through proxies. */ modifier notDelegated() { _checkNotDelegated(); _; } function __UUPSUpgradeable_init() internal onlyInitializing { } function __UUPSUpgradeable_init_unchained() internal onlyInitializing { } /** * @dev Implementation of the ERC-1822 {proxiableUUID} function. This returns the storage slot used by the * implementation. It is used to validate the implementation's compatibility when performing an upgrade. * * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier. */ function proxiableUUID() external view virtual notDelegated returns (bytes32) { return ERC1967Utils.IMPLEMENTATION_SLOT; } /** * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call * encoded in `data`. * * Calls {_authorizeUpgrade}. * * Emits an {Upgraded} event. * * @custom:oz-upgrades-unsafe-allow-reachable delegatecall */ function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy { _authorizeUpgrade(newImplementation); _upgradeToAndCallUUPS(newImplementation, data); } /** * @dev Reverts if the execution is not performed via delegatecall or the execution * context is not of a proxy with an ERC-1967 compliant implementation pointing to self. * See {_onlyProxy}. */ function _checkProxy() internal view virtual { if ( address(this) == __self || // Must be called through delegatecall ERC1967Utils.getImplementation() != __self // Must be called through an active proxy ) { revert UUPSUnauthorizedCallContext(); } } /** * @dev Reverts if the execution is performed via delegatecall. * See {notDelegated}. */ function _checkNotDelegated() internal view virtual { if (address(this) != __self) { // Must not be called through delegatecall revert UUPSUnauthorizedCallContext(); } } /** * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by * {upgradeToAndCall}. * * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}. * * ```solidity * function _authorizeUpgrade(address) internal onlyOwner {} * ``` */ function _authorizeUpgrade(address newImplementation) internal virtual; /** * @dev Performs an implementation upgrade with a security check for UUPS proxies, and additional setup call. * * As a security check, {proxiableUUID} is invoked in the new implementation, and the return value * is expected to be the implementation slot in ERC-1967. * * Emits an {IERC1967-Upgraded} event. */ function _upgradeToAndCallUUPS(address newImplementation, bytes memory data) private { try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) { if (slot != ERC1967Utils.IMPLEMENTATION_SLOT) { revert UUPSUnsupportedProxiableUUID(slot); } ERC1967Utils.upgradeToAndCall(newImplementation, data); } catch { // The implementation is not UUPS revert ERC1967Utils.ERC1967InvalidImplementation(newImplementation); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol) pragma solidity ^0.8.20; import {Initializable} from "../proxy/utils/Initializable.sol"; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract ContextUpgradeable is Initializable { function __Context_init() internal onlyInitializing { } function __Context_init_unchained() internal onlyInitializing { } function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/cryptography/EIP712.sol) pragma solidity ^0.8.20; import {MessageHashUtils} from "@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol"; import {IERC5267} from "@openzeppelin/contracts/interfaces/IERC5267.sol"; import {Initializable} from "../../proxy/utils/Initializable.sol"; /** * @dev https://eips.ethereum.org/EIPS/eip-712[EIP-712] is a standard for hashing and signing of typed structured data. * * The encoding scheme specified in the EIP requires a domain separator and a hash of the typed structured data, whose * encoding is very generic and therefore its implementation in Solidity is not feasible, thus this contract * does not implement the encoding itself. Protocols need to implement the type-specific encoding they need in order to * produce the hash of their typed data using a combination of `abi.encode` and `keccak256`. * * This contract implements the EIP-712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA * ({_hashTypedDataV4}). * * The implementation of the domain separator was designed to be as efficient as possible while still properly updating * the chain id to protect against replay attacks on an eventual fork of the chain. * * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask]. * * NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain * separator of the implementation contract. This will cause the {_domainSeparatorV4} function to always rebuild the * separator from the immutable values, which is cheaper than accessing a cached version in cold storage. */ abstract contract EIP712Upgradeable is Initializable, IERC5267 { bytes32 private constant TYPE_HASH = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"); /// @custom:storage-location erc7201:openzeppelin.storage.EIP712 struct EIP712Storage { /// @custom:oz-renamed-from _HASHED_NAME bytes32 _hashedName; /// @custom:oz-renamed-from _HASHED_VERSION bytes32 _hashedVersion; string _name; string _version; } // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.EIP712")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant EIP712StorageLocation = 0xa16a46d94261c7517cc8ff89f61c0ce93598e3c849801011dee649a6a557d100; function _getEIP712Storage() private pure returns (EIP712Storage storage $) { assembly { $.slot := EIP712StorageLocation } } /** * @dev Initializes the domain separator and parameter caches. * * The meaning of `name` and `version` is specified in * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP-712]: * * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol. * - `version`: the current major version of the signing domain. * * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart * contract upgrade]. */ function __EIP712_init(string memory name, string memory version) internal onlyInitializing { __EIP712_init_unchained(name, version); } function __EIP712_init_unchained(string memory name, string memory version) internal onlyInitializing { EIP712Storage storage $ = _getEIP712Storage(); $._name = name; $._version = version; // Reset prior values in storage if upgrading $._hashedName = 0; $._hashedVersion = 0; } /** * @dev Returns the domain separator for the current chain. */ function _domainSeparatorV4() internal view returns (bytes32) { return _buildDomainSeparator(); } function _buildDomainSeparator() private view returns (bytes32) { return keccak256(abi.encode(TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash(), block.chainid, address(this))); } /** * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this * function returns the hash of the fully encoded EIP712 message for this domain. * * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example: * * ```solidity * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode( * keccak256("Mail(address to,string contents)"), * mailTo, * keccak256(bytes(mailContents)) * ))); * address signer = ECDSA.recover(digest, signature); * ``` */ function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) { return MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash); } /** * @dev See {IERC-5267}. */ function eip712Domain() public view virtual returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions ) { EIP712Storage storage $ = _getEIP712Storage(); // If the hashed name and version in storage are non-zero, the contract hasn't been properly initialized // and the EIP712 domain is not reliable, as it will be missing name and version. require($._hashedName == 0 && $._hashedVersion == 0, "EIP712: Uninitialized"); return ( hex"0f", // 01111 _EIP712Name(), _EIP712Version(), block.chainid, address(this), bytes32(0), new uint256[](0) ); } /** * @dev The name parameter for the EIP712 domain. * * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs * are a concern. */ function _EIP712Name() internal view virtual returns (string memory) { EIP712Storage storage $ = _getEIP712Storage(); return $._name; } /** * @dev The version parameter for the EIP712 domain. * * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs * are a concern. */ function _EIP712Version() internal view virtual returns (string memory) { EIP712Storage storage $ = _getEIP712Storage(); return $._version; } /** * @dev The hash of the name parameter for the EIP712 domain. * * NOTE: In previous versions this function was virtual. In this version you should override `_EIP712Name` instead. */ function _EIP712NameHash() internal view returns (bytes32) { EIP712Storage storage $ = _getEIP712Storage(); string memory name = _EIP712Name(); if (bytes(name).length > 0) { return keccak256(bytes(name)); } else { // If the name is empty, the contract may have been upgraded without initializing the new storage. // We return the name hash in storage if non-zero, otherwise we assume the name is empty by design. bytes32 hashedName = $._hashedName; if (hashedName != 0) { return hashedName; } else { return keccak256(""); } } } /** * @dev The hash of the version parameter for the EIP712 domain. * * NOTE: In previous versions this function was virtual. In this version you should override `_EIP712Version` instead. */ function _EIP712VersionHash() internal view returns (bytes32) { EIP712Storage storage $ = _getEIP712Storage(); string memory version = _EIP712Version(); if (bytes(version).length > 0) { return keccak256(bytes(version)); } else { // If the version is empty, the contract may have been upgraded without initializing the new storage. // We return the version hash in storage if non-zero, otherwise we assume the version is empty by design. bytes32 hashedVersion = $._hashedVersion; if (hashedVersion != 0) { return hashedVersion; } else { return keccak256(""); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/ReentrancyGuard.sol) pragma solidity ^0.8.20; import {Initializable} from "../proxy/utils/Initializable.sol"; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If EIP-1153 (transient storage) is available on the chain you're deploying at, * consider using {ReentrancyGuardTransient} instead. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuardUpgradeable is Initializable { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // 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; /// @custom:storage-location erc7201:openzeppelin.storage.ReentrancyGuard struct ReentrancyGuardStorage { uint256 _status; } // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ReentrancyGuard")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant ReentrancyGuardStorageLocation = 0x9b779b17422d0df92223018b32b4d1fa46e071723d6817e2486d003becc55f00; function _getReentrancyGuardStorage() private pure returns (ReentrancyGuardStorage storage $) { assembly { $.slot := ReentrancyGuardStorageLocation } } /** * @dev Unauthorized reentrant call. */ error ReentrancyGuardReentrantCall(); function __ReentrancyGuard_init() internal onlyInitializing { __ReentrancyGuard_init_unchained(); } function __ReentrancyGuard_init_unchained() internal onlyInitializing { ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage(); $._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 { ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage(); // On the first call to nonReentrant, _status will be NOT_ENTERED if ($._status == ENTERED) { revert ReentrancyGuardReentrantCall(); } // Any calls to nonReentrant after this point will fail $._status = ENTERED; } function _nonReentrantAfter() private { ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage(); // 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) { ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage(); return $._status == ENTERED; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC1822.sol) pragma solidity ^0.8.20; /** * @dev ERC-1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified * proxy whose upgrades are fully controlled by the current implementation. */ interface IERC1822Proxiable { /** * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation * address. * * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this * function revert if invoked through a proxy. */ function proxiableUUID() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1271.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC-1271 standard signature validation method for * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271]. */ interface IERC1271 { /** * @dev Should return whether the signature provided is valid for the provided data * @param hash Hash of the data to be signed * @param signature Signature byte array associated with _data */ function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1967.sol) pragma solidity ^0.8.20; /** * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC. */ interface IERC1967 { /** * @dev Emitted when the implementation is upgraded. */ event Upgraded(address indexed implementation); /** * @dev Emitted when the admin account has changed. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Emitted when the beacon is changed. */ event BeaconUpgraded(address indexed beacon); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5267.sol) pragma solidity ^0.8.20; interface IERC5267 { /** * @dev MAY be emitted to signal that the domain could have changed. */ event EIP712DomainChanged(); /** * @dev returns the fields and values that describe the domain separator used by this contract for EIP-712 * signature. */ function eip712Domain() external view returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions ); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (proxy/beacon/IBeacon.sol) pragma solidity ^0.8.20; /** * @dev This is the interface that {BeaconProxy} expects of its beacon. */ interface IBeacon { /** * @dev Must return an address that can be used as a delegate call target. * * {UpgradeableBeacon} will check that this address is a contract. */ function implementation() external view returns (address); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (proxy/ERC1967/ERC1967Utils.sol) pragma solidity ^0.8.21; import {IBeacon} from "../beacon/IBeacon.sol"; import {IERC1967} from "../../interfaces/IERC1967.sol"; import {Address} from "../../utils/Address.sol"; import {StorageSlot} from "../../utils/StorageSlot.sol"; /** * @dev This library provides getters and event emitting update functions for * https://eips.ethereum.org/EIPS/eip-1967[ERC-1967] slots. */ library ERC1967Utils { /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1. */ // solhint-disable-next-line private-vars-leading-underscore bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev The `implementation` of the proxy is invalid. */ error ERC1967InvalidImplementation(address implementation); /** * @dev The `admin` of the proxy is invalid. */ error ERC1967InvalidAdmin(address admin); /** * @dev The `beacon` of the proxy is invalid. */ error ERC1967InvalidBeacon(address beacon); /** * @dev An upgrade function sees `msg.value > 0` that may be lost. */ error ERC1967NonPayable(); /** * @dev Returns the current implementation address. */ function getImplementation() internal view returns (address) { return StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value; } /** * @dev Stores a new address in the ERC-1967 implementation slot. */ function _setImplementation(address newImplementation) private { if (newImplementation.code.length == 0) { revert ERC1967InvalidImplementation(newImplementation); } StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value = newImplementation; } /** * @dev Performs implementation upgrade with additional setup call if data is nonempty. * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected * to avoid stuck value in the contract. * * Emits an {IERC1967-Upgraded} event. */ function upgradeToAndCall(address newImplementation, bytes memory data) internal { _setImplementation(newImplementation); emit IERC1967.Upgraded(newImplementation); if (data.length > 0) { Address.functionDelegateCall(newImplementation, data); } else { _checkNonPayable(); } } /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1. */ // solhint-disable-next-line private-vars-leading-underscore bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; /** * @dev Returns the current admin. * * TIP: To get this value clients can read directly from the storage slot shown below (specified by ERC-1967) using * the https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call. * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103` */ function getAdmin() internal view returns (address) { return StorageSlot.getAddressSlot(ADMIN_SLOT).value; } /** * @dev Stores a new address in the ERC-1967 admin slot. */ function _setAdmin(address newAdmin) private { if (newAdmin == address(0)) { revert ERC1967InvalidAdmin(address(0)); } StorageSlot.getAddressSlot(ADMIN_SLOT).value = newAdmin; } /** * @dev Changes the admin of the proxy. * * Emits an {IERC1967-AdminChanged} event. */ function changeAdmin(address newAdmin) internal { emit IERC1967.AdminChanged(getAdmin(), newAdmin); _setAdmin(newAdmin); } /** * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy. * This is the keccak-256 hash of "eip1967.proxy.beacon" subtracted by 1. */ // solhint-disable-next-line private-vars-leading-underscore bytes32 internal constant BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50; /** * @dev Returns the current beacon. */ function getBeacon() internal view returns (address) { return StorageSlot.getAddressSlot(BEACON_SLOT).value; } /** * @dev Stores a new beacon in the ERC-1967 beacon slot. */ function _setBeacon(address newBeacon) private { if (newBeacon.code.length == 0) { revert ERC1967InvalidBeacon(newBeacon); } StorageSlot.getAddressSlot(BEACON_SLOT).value = newBeacon; address beaconImplementation = IBeacon(newBeacon).implementation(); if (beaconImplementation.code.length == 0) { revert ERC1967InvalidImplementation(beaconImplementation); } } /** * @dev Change the beacon and trigger a setup call if data is nonempty. * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected * to avoid stuck value in the contract. * * Emits an {IERC1967-BeaconUpgraded} event. * * CAUTION: Invoking this function has no effect on an instance of {BeaconProxy} since v5, since * it uses an immutable beacon without looking at the value of the ERC-1967 beacon slot for * efficiency. */ function upgradeBeaconToAndCall(address newBeacon, bytes memory data) internal { _setBeacon(newBeacon); emit IERC1967.BeaconUpgraded(newBeacon); if (data.length > 0) { Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data); } else { _checkNonPayable(); } } /** * @dev Reverts if `msg.value` is not zero. It can be used to avoid `msg.value` stuck in the contract * if an upgrade doesn't perform an initialization call. */ function _checkNonPayable() private { if (msg.value > 0) { revert ERC1967NonPayable(); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/Address.sol) pragma solidity ^0.8.20; import {Errors} from "./Errors.sol"; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev There's no code at `target` (it is not a contract). */ error AddressEmptyCode(address target); /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { if (address(this).balance < amount) { revert Errors.InsufficientBalance(address(this).balance, amount); } (bool success, ) = recipient.call{value: amount}(""); if (!success) { revert Errors.FailedCall(); } } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason or custom error, it is bubbled * up by this function (like regular Solidity function calls). However, if * the call reverted with no returned reason, this function reverts with a * {Errors.FailedCall} error. * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { if (address(this).balance < value) { revert Errors.InsufficientBalance(address(this).balance, value); } (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target * was not a contract or bubbling up the revert reason (falling back to {Errors.FailedCall}) in case * of an unsuccessful call. */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata ) internal view returns (bytes memory) { if (!success) { _revert(returndata); } else { // only check if target is a contract if the call was successful and the return data is empty // otherwise we already know that it was a contract if (returndata.length == 0 && target.code.length == 0) { revert AddressEmptyCode(target); } return returndata; } } /** * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the * revert reason or with a default {Errors.FailedCall} error. */ function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) { if (!success) { _revert(returndata); } else { return returndata; } } /** * @dev Reverts with returndata if present. Otherwise reverts with {Errors.FailedCall}. */ function _revert(bytes memory returndata) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly ("memory-safe") { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert Errors.FailedCall(); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/cryptography/ECDSA.sol) pragma solidity ^0.8.20; /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS } /** * @dev The signature derives the `address(0)`. */ error ECDSAInvalidSignature(); /** * @dev The signature has an invalid length. */ error ECDSAInvalidSignatureLength(uint256 length); /** * @dev The signature has an S value that is in the upper half order. */ error ECDSAInvalidSignatureS(bytes32 s); /** * @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not * return address(0) without also returning an error description. Errors are documented using an enum (error type) * and a bytes32 providing additional information about the error. * * If no error is returned, then the address can be used for verification purposes. * * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it. * * Documentation for signature generation: * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] */ function tryRecover( bytes32 hash, bytes memory signature ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) { if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. assembly ("memory-safe") { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else { return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length)); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature); _throwError(error, errorArg); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[ERC-2098 short signatures] */ function tryRecover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) { unchecked { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); // We do not check for an overflow here since the shift operation results in 0 or 1. uint8 v = uint8((uint256(vs) >> 255) + 27); return tryRecover(hash, v, r, s); } } /** * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately. */ function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs); _throwError(error, errorArg); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. */ function tryRecover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS, s); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature, bytes32(0)); } return (signer, RecoverError.NoError, bytes32(0)); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s); _throwError(error, errorArg); return recovered; } /** * @dev Optionally reverts with the corresponding custom error according to the `error` argument provided. */ function _throwError(RecoverError error, bytes32 errorArg) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert ECDSAInvalidSignature(); } else if (error == RecoverError.InvalidSignatureLength) { revert ECDSAInvalidSignatureLength(uint256(errorArg)); } else if (error == RecoverError.InvalidSignatureS) { revert ECDSAInvalidSignatureS(errorArg); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/cryptography/MessageHashUtils.sol) pragma solidity ^0.8.20; import {Strings} from "../Strings.sol"; /** * @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing. * * The library provides methods for generating a hash of a message that conforms to the * https://eips.ethereum.org/EIPS/eip-191[ERC-191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712] * specifications. */ library MessageHashUtils { /** * @dev Returns the keccak256 digest of an ERC-191 signed data with version * `0x45` (`personal_sign` messages). * * The digest is calculated by prefixing a bytes32 `messageHash` with * `"\x19Ethereum Signed Message:\n32"` and hashing the result. It corresponds with the * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method. * * NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with * keccak256, although any bytes32 value can be safely used because the final digest will * be re-hashed. * * See {ECDSA-recover}. */ function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) { assembly ("memory-safe") { mstore(0x00, "\x19Ethereum Signed Message:\n32") // 32 is the bytes-length of messageHash mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20) } } /** * @dev Returns the keccak256 digest of an ERC-191 signed data with version * `0x45` (`personal_sign` messages). * * The digest is calculated by prefixing an arbitrary `message` with * `"\x19Ethereum Signed Message:\n" + len(message)` and hashing the result. It corresponds with the * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method. * * See {ECDSA-recover}. */ function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) { return keccak256(bytes.concat("\x19Ethereum Signed Message:\n", bytes(Strings.toString(message.length)), message)); } /** * @dev Returns the keccak256 digest of an ERC-191 signed data with version * `0x00` (data with intended validator). * * The digest is calculated by prefixing an arbitrary `data` with `"\x19\x00"` and the intended * `validator` address. Then hashing the result. * * See {ECDSA-recover}. */ function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) { return keccak256(abi.encodePacked(hex"19_00", validator, data)); } /** * @dev Returns the keccak256 digest of an EIP-712 typed data (ERC-191 version `0x01`). * * The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with * `\x19\x01` and hashing the result. It corresponds to the hash signed by the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712. * * See {ECDSA-recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) { assembly ("memory-safe") { let ptr := mload(0x40) mstore(ptr, hex"19_01") mstore(add(ptr, 0x02), domainSeparator) mstore(add(ptr, 0x22), structHash) digest := keccak256(ptr, 0x42) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/cryptography/SignatureChecker.sol) pragma solidity ^0.8.20; import {ECDSA} from "./ECDSA.sol"; import {IERC1271} from "../../interfaces/IERC1271.sol"; /** * @dev Signature verification helper that can be used instead of `ECDSA.recover` to seamlessly support both ECDSA * signatures from externally owned accounts (EOAs) as well as ERC-1271 signatures from smart contract wallets like * Argent and Safe Wallet (previously Gnosis Safe). */ library SignatureChecker { /** * @dev Checks if a signature is valid for a given signer and data hash. If the signer is a smart contract, the * signature is validated against that smart contract using ERC-1271, otherwise it's validated using `ECDSA.recover`. * * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus * change through time. It could return true at block N and false at block N+1 (or the opposite). */ function isValidSignatureNow(address signer, bytes32 hash, bytes memory signature) internal view returns (bool) { if (signer.code.length == 0) { (address recovered, ECDSA.RecoverError err, ) = ECDSA.tryRecover(hash, signature); return err == ECDSA.RecoverError.NoError && recovered == signer; } else { return isValidERC1271SignatureNow(signer, hash, signature); } } /** * @dev Checks if a signature is valid for a given signer and data hash. The signature is validated * against the signer smart contract using ERC-1271. * * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus * change through time. It could return true at block N and false at block N+1 (or the opposite). */ function isValidERC1271SignatureNow( address signer, bytes32 hash, bytes memory signature ) internal view returns (bool) { (bool success, bytes memory result) = signer.staticcall( abi.encodeCall(IERC1271.isValidSignature, (hash, signature)) ); return (success && result.length >= 32 && abi.decode(result, (bytes32)) == bytes32(IERC1271.isValidSignature.selector)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/Errors.sol) pragma solidity ^0.8.20; /** * @dev Collection of common custom errors used in multiple contracts * * IMPORTANT: Backwards compatibility is not guaranteed in future versions of the library. * It is recommended to avoid relying on the error API for critical functionality. * * _Available since v5.1._ */ library Errors { /** * @dev The ETH balance of the account is not enough to perform the operation. */ error InsufficientBalance(uint256 balance, uint256 needed); /** * @dev A call to an address target failed. The target may have reverted. */ error FailedCall(); /** * @dev The deployment failed. */ error FailedDeployment(); /** * @dev A necessary precompile is missing. */ error MissingPrecompile(address); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/math/Math.sol) pragma solidity ^0.8.20; import {Panic} from "../Panic.sol"; import {SafeCast} from "./SafeCast.sol"; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Floor, // Toward negative infinity Ceil, // Toward positive infinity Trunc, // Toward zero Expand // Away from zero } /** * @dev Returns the addition of two unsigned integers, with an success flag (no overflow). */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the subtraction of two unsigned integers, with an success flag (no overflow). */ function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an success flag (no overflow). */ function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a success flag (no division by zero). */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero). */ function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant. * * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone. * However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute * one branch when needed, making this function more expensive. */ function ternary(bool condition, uint256 a, uint256 b) internal pure returns (uint256) { unchecked { // branchless ternary works because: // b ^ (a ^ b) == a // b ^ 0 == b return b ^ ((a ^ b) * SafeCast.toUint(condition)); } } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return ternary(a > b, a, b); } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return ternary(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 towards infinity instead * of rounding towards zero. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { if (b == 0) { // Guarantee the same behavior as in a regular Solidity division. Panic.panic(Panic.DIVISION_BY_ZERO); } // The following calculation ensures accurate ceiling division without overflow. // Since a is non-zero, (a - 1) / b will not overflow. // The largest possible result occurs when (a - 1) / b is type(uint256).max, // but the largest value we can obtain is type(uint256).max - 1, which happens // when a = type(uint256).max and b = 1. unchecked { return SafeCast.toUint(a > 0) * ((a - 1) / b + 1); } } /** * @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or * denominator == 0. * * 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 2²⁵⁶ and mod 2²⁵⁶ - 1, then use // the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2²⁵⁶ + prod0. uint256 prod0 = x * y; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) 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 2²⁵⁶. Also prevents denominator == 0. if (denominator <= prod1) { Panic.panic(ternary(denominator == 0, Panic.DIVISION_BY_ZERO, Panic.UNDER_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. uint256 twos = denominator & (0 - denominator); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2²⁵⁶ / 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 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such // that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv ≡ 1 mod 2⁴. 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 2⁸ inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶ inverse *= 2 - denominator * inverse; // inverse mod 2³² inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴ inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸ inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶ // 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 2²⁵⁶. Since the preconditions guarantee that the outcome is // less than 2²⁵⁶, 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; } } /** * @dev 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) { return mulDiv(x, y, denominator) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0); } /** * @dev Calculate the modular multiplicative inverse of a number in Z/nZ. * * If n is a prime, then Z/nZ is a field. In that case all elements are inversible, except 0. * If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible. * * If the input value is not inversible, 0 is returned. * * NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Fermat's little theorem and get the * inverse using `Math.modExp(a, n - 2, n)`. See {invModPrime}. */ function invMod(uint256 a, uint256 n) internal pure returns (uint256) { unchecked { if (n == 0) return 0; // The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version) // Used to compute integers x and y such that: ax + ny = gcd(a, n). // When the gcd is 1, then the inverse of a modulo n exists and it's x. // ax + ny = 1 // ax = 1 + (-y)n // ax ≡ 1 (mod n) # x is the inverse of a modulo n // If the remainder is 0 the gcd is n right away. uint256 remainder = a % n; uint256 gcd = n; // Therefore the initial coefficients are: // ax + ny = gcd(a, n) = n // 0a + 1n = n int256 x = 0; int256 y = 1; while (remainder != 0) { uint256 quotient = gcd / remainder; (gcd, remainder) = ( // The old remainder is the next gcd to try. remainder, // Compute the next remainder. // Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd // where gcd is at most n (capped to type(uint256).max) gcd - remainder * quotient ); (x, y) = ( // Increment the coefficient of a. y, // Decrement the coefficient of n. // Can overflow, but the result is casted to uint256 so that the // next value of y is "wrapped around" to a value between 0 and n - 1. x - y * int256(quotient) ); } if (gcd != 1) return 0; // No inverse exists. return ternary(x < 0, n - uint256(-x), uint256(x)); // Wrap the result if it's negative. } } /** * @dev Variant of {invMod}. More efficient, but only works if `p` is known to be a prime greater than `2`. * * From https://en.wikipedia.org/wiki/Fermat%27s_little_theorem[Fermat's little theorem], we know that if p is * prime, then `a**(p-1) ≡ 1 mod p`. As a consequence, we have `a * a**(p-2) ≡ 1 mod p`, which means that * `a**(p-2)` is the modular multiplicative inverse of a in Fp. * * NOTE: this function does NOT check that `p` is a prime greater than `2`. */ function invModPrime(uint256 a, uint256 p) internal view returns (uint256) { unchecked { return Math.modExp(a, p - 2, p); } } /** * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m) * * Requirements: * - modulus can't be zero * - underlying staticcall to precompile must succeed * * IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make * sure the chain you're using it on supports the precompiled contract for modular exponentiation * at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, * the underlying function will succeed given the lack of a revert, but the result may be incorrectly * interpreted as 0. */ function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) { (bool success, uint256 result) = tryModExp(b, e, m); if (!success) { Panic.panic(Panic.DIVISION_BY_ZERO); } return result; } /** * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m). * It includes a success flag indicating if the operation succeeded. Operation will be marked as failed if trying * to operate modulo 0 or if the underlying precompile reverted. * * IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain * you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in * https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack * of a revert, but the result may be incorrectly interpreted as 0. */ function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) { if (m == 0) return (false, 0); assembly ("memory-safe") { let ptr := mload(0x40) // | Offset | Content | Content (Hex) | // |-----------|------------|--------------------------------------------------------------------| // | 0x00:0x1f | size of b | 0x0000000000000000000000000000000000000000000000000000000000000020 | // | 0x20:0x3f | size of e | 0x0000000000000000000000000000000000000000000000000000000000000020 | // | 0x40:0x5f | size of m | 0x0000000000000000000000000000000000000000000000000000000000000020 | // | 0x60:0x7f | value of b | 0x<.............................................................b> | // | 0x80:0x9f | value of e | 0x<.............................................................e> | // | 0xa0:0xbf | value of m | 0x<.............................................................m> | mstore(ptr, 0x20) mstore(add(ptr, 0x20), 0x20) mstore(add(ptr, 0x40), 0x20) mstore(add(ptr, 0x60), b) mstore(add(ptr, 0x80), e) mstore(add(ptr, 0xa0), m) // Given the result < m, it's guaranteed to fit in 32 bytes, // so we can use the memory scratch space located at offset 0. success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20) result := mload(0x00) } } /** * @dev Variant of {modExp} that supports inputs of arbitrary length. */ function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) { (bool success, bytes memory result) = tryModExp(b, e, m); if (!success) { Panic.panic(Panic.DIVISION_BY_ZERO); } return result; } /** * @dev Variant of {tryModExp} that supports inputs of arbitrary length. */ function tryModExp( bytes memory b, bytes memory e, bytes memory m ) internal view returns (bool success, bytes memory result) { if (_zeroBytes(m)) return (false, new bytes(0)); uint256 mLen = m.length; // Encode call args in result and move the free memory pointer result = abi.encodePacked(b.length, e.length, mLen, b, e, m); assembly ("memory-safe") { let dataPtr := add(result, 0x20) // Write result on top of args to avoid allocating extra memory. success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen) // Overwrite the length. // result.length > returndatasize() is guaranteed because returndatasize() == m.length mstore(result, mLen) // Set the memory pointer after the returned data. mstore(0x40, add(dataPtr, mLen)) } } /** * @dev Returns whether the provided byte array is zero. */ function _zeroBytes(bytes memory byteArray) private pure returns (bool) { for (uint256 i = 0; i < byteArray.length; ++i) { if (byteArray[i] != 0) { return false; } } return true; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded * towards zero. * * This method is based on Newton's method for computing square roots; the algorithm is restricted to only * using integer operations. */ function sqrt(uint256 a) internal pure returns (uint256) { unchecked { // Take care of easy edge cases when a == 0 or a == 1 if (a <= 1) { return a; } // In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a // sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between // the current value as `ε_n = | x_n - sqrt(a) |`. // // For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root // of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is // bigger than any uint256. // // By noticing that // `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)` // we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar // to the msb function. uint256 aa = a; uint256 xn = 1; if (aa >= (1 << 128)) { aa >>= 128; xn <<= 64; } if (aa >= (1 << 64)) { aa >>= 64; xn <<= 32; } if (aa >= (1 << 32)) { aa >>= 32; xn <<= 16; } if (aa >= (1 << 16)) { aa >>= 16; xn <<= 8; } if (aa >= (1 << 8)) { aa >>= 8; xn <<= 4; } if (aa >= (1 << 4)) { aa >>= 4; xn <<= 2; } if (aa >= (1 << 2)) { xn <<= 1; } // We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1). // // We can refine our estimation by noticing that the middle of that interval minimizes the error. // If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2). // This is going to be our x_0 (and ε_0) xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2) // From here, Newton's method give us: // x_{n+1} = (x_n + a / x_n) / 2 // // One should note that: // x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a // = ((x_n² + a) / (2 * x_n))² - a // = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a // = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²) // = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²) // = (x_n² - a)² / (2 * x_n)² // = ((x_n² - a) / (2 * x_n))² // ≥ 0 // Which proves that for all n ≥ 1, sqrt(a) ≤ x_n // // This gives us the proof of quadratic convergence of the sequence: // ε_{n+1} = | x_{n+1} - sqrt(a) | // = | (x_n + a / x_n) / 2 - sqrt(a) | // = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) | // = | (x_n - sqrt(a))² / (2 * x_n) | // = | ε_n² / (2 * x_n) | // = ε_n² / | (2 * x_n) | // // For the first iteration, we have a special case where x_0 is known: // ε_1 = ε_0² / | (2 * x_0) | // ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2))) // ≤ 2**(2*e-4) / (3 * 2**(e-1)) // ≤ 2**(e-3) / 3 // ≤ 2**(e-3-log2(3)) // ≤ 2**(e-4.5) // // For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n: // ε_{n+1} = ε_n² / | (2 * x_n) | // ≤ (2**(e-k))² / (2 * 2**(e-1)) // ≤ 2**(2*e-2*k) / 2**e // ≤ 2**(e-2*k) xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5) -- special case, see above xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9) -- general case with k = 4.5 xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18) -- general case with k = 9 xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36) -- general case with k = 18 xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72) -- general case with k = 36 xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144) -- general case with k = 72 // Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision // ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either // sqrt(a) or sqrt(a) + 1. return xn - SafeCast.toUint(xn > a / xn); } } /** * @dev 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 + SafeCast.toUint(unsignedRoundsUp(rounding) && result * result < a); } } /** * @dev Return the log in base 2 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; uint256 exp; unchecked { exp = 128 * SafeCast.toUint(value > (1 << 128) - 1); value >>= exp; result += exp; exp = 64 * SafeCast.toUint(value > (1 << 64) - 1); value >>= exp; result += exp; exp = 32 * SafeCast.toUint(value > (1 << 32) - 1); value >>= exp; result += exp; exp = 16 * SafeCast.toUint(value > (1 << 16) - 1); value >>= exp; result += exp; exp = 8 * SafeCast.toUint(value > (1 << 8) - 1); value >>= exp; result += exp; exp = 4 * SafeCast.toUint(value > (1 << 4) - 1); value >>= exp; result += exp; exp = 2 * SafeCast.toUint(value > (1 << 2) - 1); value >>= exp; result += exp; result += SafeCast.toUint(value > 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 + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << result < value); } } /** * @dev Return the log in base 10 of a positive value rounded towards zero. * 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 + SafeCast.toUint(unsignedRoundsUp(rounding) && 10 ** result < value); } } /** * @dev Return the log in base 256 of a positive value rounded towards zero. * 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; uint256 isGt; unchecked { isGt = SafeCast.toUint(value > (1 << 128) - 1); value >>= isGt * 128; result += isGt * 16; isGt = SafeCast.toUint(value > (1 << 64) - 1); value >>= isGt * 64; result += isGt * 8; isGt = SafeCast.toUint(value > (1 << 32) - 1); value >>= isGt * 32; result += isGt * 4; isGt = SafeCast.toUint(value > (1 << 16) - 1); value >>= isGt * 16; result += isGt * 2; result += SafeCast.toUint(value > (1 << 8) - 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 + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value); } } /** * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers. */ function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) { return uint8(rounding) % 2 == 1; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SafeCast.sol) // This file was procedurally generated from scripts/generate/templates/SafeCast.js. pragma solidity ^0.8.20; /** * @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow * checks. * * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can * easily result in undesired exploitation or bugs, since developers usually * assume that overflows raise errors. `SafeCast` restores this intuition by * reverting the transaction when such an operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeCast { /** * @dev Value doesn't fit in an uint of `bits` size. */ error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value); /** * @dev An int value doesn't fit in an uint of `bits` size. */ error SafeCastOverflowedIntToUint(int256 value); /** * @dev Value doesn't fit in an int of `bits` size. */ error SafeCastOverflowedIntDowncast(uint8 bits, int256 value); /** * @dev An uint value doesn't fit in an int of `bits` size. */ error SafeCastOverflowedUintToInt(uint256 value); /** * @dev Returns the downcasted uint248 from uint256, reverting on * overflow (when the input is greater than largest uint248). * * Counterpart to Solidity's `uint248` operator. * * Requirements: * * - input must fit into 248 bits */ function toUint248(uint256 value) internal pure returns (uint248) { if (value > type(uint248).max) { revert SafeCastOverflowedUintDowncast(248, value); } return uint248(value); } /** * @dev Returns the downcasted uint240 from uint256, reverting on * overflow (when the input is greater than largest uint240). * * Counterpart to Solidity's `uint240` operator. * * Requirements: * * - input must fit into 240 bits */ function toUint240(uint256 value) internal pure returns (uint240) { if (value > type(uint240).max) { revert SafeCastOverflowedUintDowncast(240, value); } return uint240(value); } /** * @dev Returns the downcasted uint232 from uint256, reverting on * overflow (when the input is greater than largest uint232). * * Counterpart to Solidity's `uint232` operator. * * Requirements: * * - input must fit into 232 bits */ function toUint232(uint256 value) internal pure returns (uint232) { if (value > type(uint232).max) { revert SafeCastOverflowedUintDowncast(232, value); } return uint232(value); } /** * @dev Returns the downcasted uint224 from uint256, reverting on * overflow (when the input is greater than largest uint224). * * Counterpart to Solidity's `uint224` operator. * * Requirements: * * - input must fit into 224 bits */ function toUint224(uint256 value) internal pure returns (uint224) { if (value > type(uint224).max) { revert SafeCastOverflowedUintDowncast(224, value); } return uint224(value); } /** * @dev Returns the downcasted uint216 from uint256, reverting on * overflow (when the input is greater than largest uint216). * * Counterpart to Solidity's `uint216` operator. * * Requirements: * * - input must fit into 216 bits */ function toUint216(uint256 value) internal pure returns (uint216) { if (value > type(uint216).max) { revert SafeCastOverflowedUintDowncast(216, value); } return uint216(value); } /** * @dev Returns the downcasted uint208 from uint256, reverting on * overflow (when the input is greater than largest uint208). * * Counterpart to Solidity's `uint208` operator. * * Requirements: * * - input must fit into 208 bits */ function toUint208(uint256 value) internal pure returns (uint208) { if (value > type(uint208).max) { revert SafeCastOverflowedUintDowncast(208, value); } return uint208(value); } /** * @dev Returns the downcasted uint200 from uint256, reverting on * overflow (when the input is greater than largest uint200). * * Counterpart to Solidity's `uint200` operator. * * Requirements: * * - input must fit into 200 bits */ function toUint200(uint256 value) internal pure returns (uint200) { if (value > type(uint200).max) { revert SafeCastOverflowedUintDowncast(200, value); } return uint200(value); } /** * @dev Returns the downcasted uint192 from uint256, reverting on * overflow (when the input is greater than largest uint192). * * Counterpart to Solidity's `uint192` operator. * * Requirements: * * - input must fit into 192 bits */ function toUint192(uint256 value) internal pure returns (uint192) { if (value > type(uint192).max) { revert SafeCastOverflowedUintDowncast(192, value); } return uint192(value); } /** * @dev Returns the downcasted uint184 from uint256, reverting on * overflow (when the input is greater than largest uint184). * * Counterpart to Solidity's `uint184` operator. * * Requirements: * * - input must fit into 184 bits */ function toUint184(uint256 value) internal pure returns (uint184) { if (value > type(uint184).max) { revert SafeCastOverflowedUintDowncast(184, value); } return uint184(value); } /** * @dev Returns the downcasted uint176 from uint256, reverting on * overflow (when the input is greater than largest uint176). * * Counterpart to Solidity's `uint176` operator. * * Requirements: * * - input must fit into 176 bits */ function toUint176(uint256 value) internal pure returns (uint176) { if (value > type(uint176).max) { revert SafeCastOverflowedUintDowncast(176, value); } return uint176(value); } /** * @dev Returns the downcasted uint168 from uint256, reverting on * overflow (when the input is greater than largest uint168). * * Counterpart to Solidity's `uint168` operator. * * Requirements: * * - input must fit into 168 bits */ function toUint168(uint256 value) internal pure returns (uint168) { if (value > type(uint168).max) { revert SafeCastOverflowedUintDowncast(168, value); } return uint168(value); } /** * @dev Returns the downcasted uint160 from uint256, reverting on * overflow (when the input is greater than largest uint160). * * Counterpart to Solidity's `uint160` operator. * * Requirements: * * - input must fit into 160 bits */ function toUint160(uint256 value) internal pure returns (uint160) { if (value > type(uint160).max) { revert SafeCastOverflowedUintDowncast(160, value); } return uint160(value); } /** * @dev Returns the downcasted uint152 from uint256, reverting on * overflow (when the input is greater than largest uint152). * * Counterpart to Solidity's `uint152` operator. * * Requirements: * * - input must fit into 152 bits */ function toUint152(uint256 value) internal pure returns (uint152) { if (value > type(uint152).max) { revert SafeCastOverflowedUintDowncast(152, value); } return uint152(value); } /** * @dev Returns the downcasted uint144 from uint256, reverting on * overflow (when the input is greater than largest uint144). * * Counterpart to Solidity's `uint144` operator. * * Requirements: * * - input must fit into 144 bits */ function toUint144(uint256 value) internal pure returns (uint144) { if (value > type(uint144).max) { revert SafeCastOverflowedUintDowncast(144, value); } return uint144(value); } /** * @dev Returns the downcasted uint136 from uint256, reverting on * overflow (when the input is greater than largest uint136). * * Counterpart to Solidity's `uint136` operator. * * Requirements: * * - input must fit into 136 bits */ function toUint136(uint256 value) internal pure returns (uint136) { if (value > type(uint136).max) { revert SafeCastOverflowedUintDowncast(136, value); } return uint136(value); } /** * @dev Returns the downcasted uint128 from uint256, reverting on * overflow (when the input is greater than largest uint128). * * Counterpart to Solidity's `uint128` operator. * * Requirements: * * - input must fit into 128 bits */ function toUint128(uint256 value) internal pure returns (uint128) { if (value > type(uint128).max) { revert SafeCastOverflowedUintDowncast(128, value); } return uint128(value); } /** * @dev Returns the downcasted uint120 from uint256, reverting on * overflow (when the input is greater than largest uint120). * * Counterpart to Solidity's `uint120` operator. * * Requirements: * * - input must fit into 120 bits */ function toUint120(uint256 value) internal pure returns (uint120) { if (value > type(uint120).max) { revert SafeCastOverflowedUintDowncast(120, value); } return uint120(value); } /** * @dev Returns the downcasted uint112 from uint256, reverting on * overflow (when the input is greater than largest uint112). * * Counterpart to Solidity's `uint112` operator. * * Requirements: * * - input must fit into 112 bits */ function toUint112(uint256 value) internal pure returns (uint112) { if (value > type(uint112).max) { revert SafeCastOverflowedUintDowncast(112, value); } return uint112(value); } /** * @dev Returns the downcasted uint104 from uint256, reverting on * overflow (when the input is greater than largest uint104). * * Counterpart to Solidity's `uint104` operator. * * Requirements: * * - input must fit into 104 bits */ function toUint104(uint256 value) internal pure returns (uint104) { if (value > type(uint104).max) { revert SafeCastOverflowedUintDowncast(104, value); } return uint104(value); } /** * @dev Returns the downcasted uint96 from uint256, reverting on * overflow (when the input is greater than largest uint96). * * Counterpart to Solidity's `uint96` operator. * * Requirements: * * - input must fit into 96 bits */ function toUint96(uint256 value) internal pure returns (uint96) { if (value > type(uint96).max) { revert SafeCastOverflowedUintDowncast(96, value); } return uint96(value); } /** * @dev Returns the downcasted uint88 from uint256, reverting on * overflow (when the input is greater than largest uint88). * * Counterpart to Solidity's `uint88` operator. * * Requirements: * * - input must fit into 88 bits */ function toUint88(uint256 value) internal pure returns (uint88) { if (value > type(uint88).max) { revert SafeCastOverflowedUintDowncast(88, value); } return uint88(value); } /** * @dev Returns the downcasted uint80 from uint256, reverting on * overflow (when the input is greater than largest uint80). * * Counterpart to Solidity's `uint80` operator. * * Requirements: * * - input must fit into 80 bits */ function toUint80(uint256 value) internal pure returns (uint80) { if (value > type(uint80).max) { revert SafeCastOverflowedUintDowncast(80, value); } return uint80(value); } /** * @dev Returns the downcasted uint72 from uint256, reverting on * overflow (when the input is greater than largest uint72). * * Counterpart to Solidity's `uint72` operator. * * Requirements: * * - input must fit into 72 bits */ function toUint72(uint256 value) internal pure returns (uint72) { if (value > type(uint72).max) { revert SafeCastOverflowedUintDowncast(72, value); } return uint72(value); } /** * @dev Returns the downcasted uint64 from uint256, reverting on * overflow (when the input is greater than largest uint64). * * Counterpart to Solidity's `uint64` operator. * * Requirements: * * - input must fit into 64 bits */ function toUint64(uint256 value) internal pure returns (uint64) { if (value > type(uint64).max) { revert SafeCastOverflowedUintDowncast(64, value); } return uint64(value); } /** * @dev Returns the downcasted uint56 from uint256, reverting on * overflow (when the input is greater than largest uint56). * * Counterpart to Solidity's `uint56` operator. * * Requirements: * * - input must fit into 56 bits */ function toUint56(uint256 value) internal pure returns (uint56) { if (value > type(uint56).max) { revert SafeCastOverflowedUintDowncast(56, value); } return uint56(value); } /** * @dev Returns the downcasted uint48 from uint256, reverting on * overflow (when the input is greater than largest uint48). * * Counterpart to Solidity's `uint48` operator. * * Requirements: * * - input must fit into 48 bits */ function toUint48(uint256 value) internal pure returns (uint48) { if (value > type(uint48).max) { revert SafeCastOverflowedUintDowncast(48, value); } return uint48(value); } /** * @dev Returns the downcasted uint40 from uint256, reverting on * overflow (when the input is greater than largest uint40). * * Counterpart to Solidity's `uint40` operator. * * Requirements: * * - input must fit into 40 bits */ function toUint40(uint256 value) internal pure returns (uint40) { if (value > type(uint40).max) { revert SafeCastOverflowedUintDowncast(40, value); } return uint40(value); } /** * @dev Returns the downcasted uint32 from uint256, reverting on * overflow (when the input is greater than largest uint32). * * Counterpart to Solidity's `uint32` operator. * * Requirements: * * - input must fit into 32 bits */ function toUint32(uint256 value) internal pure returns (uint32) { if (value > type(uint32).max) { revert SafeCastOverflowedUintDowncast(32, value); } return uint32(value); } /** * @dev Returns the downcasted uint24 from uint256, reverting on * overflow (when the input is greater than largest uint24). * * Counterpart to Solidity's `uint24` operator. * * Requirements: * * - input must fit into 24 bits */ function toUint24(uint256 value) internal pure returns (uint24) { if (value > type(uint24).max) { revert SafeCastOverflowedUintDowncast(24, value); } return uint24(value); } /** * @dev Returns the downcasted uint16 from uint256, reverting on * overflow (when the input is greater than largest uint16). * * Counterpart to Solidity's `uint16` operator. * * Requirements: * * - input must fit into 16 bits */ function toUint16(uint256 value) internal pure returns (uint16) { if (value > type(uint16).max) { revert SafeCastOverflowedUintDowncast(16, value); } return uint16(value); } /** * @dev Returns the downcasted uint8 from uint256, reverting on * overflow (when the input is greater than largest uint8). * * Counterpart to Solidity's `uint8` operator. * * Requirements: * * - input must fit into 8 bits */ function toUint8(uint256 value) internal pure returns (uint8) { if (value > type(uint8).max) { revert SafeCastOverflowedUintDowncast(8, value); } return uint8(value); } /** * @dev Converts a signed int256 into an unsigned uint256. * * Requirements: * * - input must be greater than or equal to 0. */ function toUint256(int256 value) internal pure returns (uint256) { if (value < 0) { revert SafeCastOverflowedIntToUint(value); } return uint256(value); } /** * @dev Returns the downcasted int248 from int256, reverting on * overflow (when the input is less than smallest int248 or * greater than largest int248). * * Counterpart to Solidity's `int248` operator. * * Requirements: * * - input must fit into 248 bits */ function toInt248(int256 value) internal pure returns (int248 downcasted) { downcasted = int248(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(248, value); } } /** * @dev Returns the downcasted int240 from int256, reverting on * overflow (when the input is less than smallest int240 or * greater than largest int240). * * Counterpart to Solidity's `int240` operator. * * Requirements: * * - input must fit into 240 bits */ function toInt240(int256 value) internal pure returns (int240 downcasted) { downcasted = int240(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(240, value); } } /** * @dev Returns the downcasted int232 from int256, reverting on * overflow (when the input is less than smallest int232 or * greater than largest int232). * * Counterpart to Solidity's `int232` operator. * * Requirements: * * - input must fit into 232 bits */ function toInt232(int256 value) internal pure returns (int232 downcasted) { downcasted = int232(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(232, value); } } /** * @dev Returns the downcasted int224 from int256, reverting on * overflow (when the input is less than smallest int224 or * greater than largest int224). * * Counterpart to Solidity's `int224` operator. * * Requirements: * * - input must fit into 224 bits */ function toInt224(int256 value) internal pure returns (int224 downcasted) { downcasted = int224(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(224, value); } } /** * @dev Returns the downcasted int216 from int256, reverting on * overflow (when the input is less than smallest int216 or * greater than largest int216). * * Counterpart to Solidity's `int216` operator. * * Requirements: * * - input must fit into 216 bits */ function toInt216(int256 value) internal pure returns (int216 downcasted) { downcasted = int216(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(216, value); } } /** * @dev Returns the downcasted int208 from int256, reverting on * overflow (when the input is less than smallest int208 or * greater than largest int208). * * Counterpart to Solidity's `int208` operator. * * Requirements: * * - input must fit into 208 bits */ function toInt208(int256 value) internal pure returns (int208 downcasted) { downcasted = int208(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(208, value); } } /** * @dev Returns the downcasted int200 from int256, reverting on * overflow (when the input is less than smallest int200 or * greater than largest int200). * * Counterpart to Solidity's `int200` operator. * * Requirements: * * - input must fit into 200 bits */ function toInt200(int256 value) internal pure returns (int200 downcasted) { downcasted = int200(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(200, value); } } /** * @dev Returns the downcasted int192 from int256, reverting on * overflow (when the input is less than smallest int192 or * greater than largest int192). * * Counterpart to Solidity's `int192` operator. * * Requirements: * * - input must fit into 192 bits */ function toInt192(int256 value) internal pure returns (int192 downcasted) { downcasted = int192(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(192, value); } } /** * @dev Returns the downcasted int184 from int256, reverting on * overflow (when the input is less than smallest int184 or * greater than largest int184). * * Counterpart to Solidity's `int184` operator. * * Requirements: * * - input must fit into 184 bits */ function toInt184(int256 value) internal pure returns (int184 downcasted) { downcasted = int184(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(184, value); } } /** * @dev Returns the downcasted int176 from int256, reverting on * overflow (when the input is less than smallest int176 or * greater than largest int176). * * Counterpart to Solidity's `int176` operator. * * Requirements: * * - input must fit into 176 bits */ function toInt176(int256 value) internal pure returns (int176 downcasted) { downcasted = int176(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(176, value); } } /** * @dev Returns the downcasted int168 from int256, reverting on * overflow (when the input is less than smallest int168 or * greater than largest int168). * * Counterpart to Solidity's `int168` operator. * * Requirements: * * - input must fit into 168 bits */ function toInt168(int256 value) internal pure returns (int168 downcasted) { downcasted = int168(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(168, value); } } /** * @dev Returns the downcasted int160 from int256, reverting on * overflow (when the input is less than smallest int160 or * greater than largest int160). * * Counterpart to Solidity's `int160` operator. * * Requirements: * * - input must fit into 160 bits */ function toInt160(int256 value) internal pure returns (int160 downcasted) { downcasted = int160(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(160, value); } } /** * @dev Returns the downcasted int152 from int256, reverting on * overflow (when the input is less than smallest int152 or * greater than largest int152). * * Counterpart to Solidity's `int152` operator. * * Requirements: * * - input must fit into 152 bits */ function toInt152(int256 value) internal pure returns (int152 downcasted) { downcasted = int152(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(152, value); } } /** * @dev Returns the downcasted int144 from int256, reverting on * overflow (when the input is less than smallest int144 or * greater than largest int144). * * Counterpart to Solidity's `int144` operator. * * Requirements: * * - input must fit into 144 bits */ function toInt144(int256 value) internal pure returns (int144 downcasted) { downcasted = int144(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(144, value); } } /** * @dev Returns the downcasted int136 from int256, reverting on * overflow (when the input is less than smallest int136 or * greater than largest int136). * * Counterpart to Solidity's `int136` operator. * * Requirements: * * - input must fit into 136 bits */ function toInt136(int256 value) internal pure returns (int136 downcasted) { downcasted = int136(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(136, value); } } /** * @dev Returns the downcasted int128 from int256, reverting on * overflow (when the input is less than smallest int128 or * greater than largest int128). * * Counterpart to Solidity's `int128` operator. * * Requirements: * * - input must fit into 128 bits */ function toInt128(int256 value) internal pure returns (int128 downcasted) { downcasted = int128(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(128, value); } } /** * @dev Returns the downcasted int120 from int256, reverting on * overflow (when the input is less than smallest int120 or * greater than largest int120). * * Counterpart to Solidity's `int120` operator. * * Requirements: * * - input must fit into 120 bits */ function toInt120(int256 value) internal pure returns (int120 downcasted) { downcasted = int120(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(120, value); } } /** * @dev Returns the downcasted int112 from int256, reverting on * overflow (when the input is less than smallest int112 or * greater than largest int112). * * Counterpart to Solidity's `int112` operator. * * Requirements: * * - input must fit into 112 bits */ function toInt112(int256 value) internal pure returns (int112 downcasted) { downcasted = int112(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(112, value); } } /** * @dev Returns the downcasted int104 from int256, reverting on * overflow (when the input is less than smallest int104 or * greater than largest int104). * * Counterpart to Solidity's `int104` operator. * * Requirements: * * - input must fit into 104 bits */ function toInt104(int256 value) internal pure returns (int104 downcasted) { downcasted = int104(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(104, value); } } /** * @dev Returns the downcasted int96 from int256, reverting on * overflow (when the input is less than smallest int96 or * greater than largest int96). * * Counterpart to Solidity's `int96` operator. * * Requirements: * * - input must fit into 96 bits */ function toInt96(int256 value) internal pure returns (int96 downcasted) { downcasted = int96(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(96, value); } } /** * @dev Returns the downcasted int88 from int256, reverting on * overflow (when the input is less than smallest int88 or * greater than largest int88). * * Counterpart to Solidity's `int88` operator. * * Requirements: * * - input must fit into 88 bits */ function toInt88(int256 value) internal pure returns (int88 downcasted) { downcasted = int88(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(88, value); } } /** * @dev Returns the downcasted int80 from int256, reverting on * overflow (when the input is less than smallest int80 or * greater than largest int80). * * Counterpart to Solidity's `int80` operator. * * Requirements: * * - input must fit into 80 bits */ function toInt80(int256 value) internal pure returns (int80 downcasted) { downcasted = int80(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(80, value); } } /** * @dev Returns the downcasted int72 from int256, reverting on * overflow (when the input is less than smallest int72 or * greater than largest int72). * * Counterpart to Solidity's `int72` operator. * * Requirements: * * - input must fit into 72 bits */ function toInt72(int256 value) internal pure returns (int72 downcasted) { downcasted = int72(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(72, value); } } /** * @dev Returns the downcasted int64 from int256, reverting on * overflow (when the input is less than smallest int64 or * greater than largest int64). * * Counterpart to Solidity's `int64` operator. * * Requirements: * * - input must fit into 64 bits */ function toInt64(int256 value) internal pure returns (int64 downcasted) { downcasted = int64(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(64, value); } } /** * @dev Returns the downcasted int56 from int256, reverting on * overflow (when the input is less than smallest int56 or * greater than largest int56). * * Counterpart to Solidity's `int56` operator. * * Requirements: * * - input must fit into 56 bits */ function toInt56(int256 value) internal pure returns (int56 downcasted) { downcasted = int56(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(56, value); } } /** * @dev Returns the downcasted int48 from int256, reverting on * overflow (when the input is less than smallest int48 or * greater than largest int48). * * Counterpart to Solidity's `int48` operator. * * Requirements: * * - input must fit into 48 bits */ function toInt48(int256 value) internal pure returns (int48 downcasted) { downcasted = int48(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(48, value); } } /** * @dev Returns the downcasted int40 from int256, reverting on * overflow (when the input is less than smallest int40 or * greater than largest int40). * * Counterpart to Solidity's `int40` operator. * * Requirements: * * - input must fit into 40 bits */ function toInt40(int256 value) internal pure returns (int40 downcasted) { downcasted = int40(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(40, value); } } /** * @dev Returns the downcasted int32 from int256, reverting on * overflow (when the input is less than smallest int32 or * greater than largest int32). * * Counterpart to Solidity's `int32` operator. * * Requirements: * * - input must fit into 32 bits */ function toInt32(int256 value) internal pure returns (int32 downcasted) { downcasted = int32(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(32, value); } } /** * @dev Returns the downcasted int24 from int256, reverting on * overflow (when the input is less than smallest int24 or * greater than largest int24). * * Counterpart to Solidity's `int24` operator. * * Requirements: * * - input must fit into 24 bits */ function toInt24(int256 value) internal pure returns (int24 downcasted) { downcasted = int24(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(24, value); } } /** * @dev Returns the downcasted int16 from int256, reverting on * overflow (when the input is less than smallest int16 or * greater than largest int16). * * Counterpart to Solidity's `int16` operator. * * Requirements: * * - input must fit into 16 bits */ function toInt16(int256 value) internal pure returns (int16 downcasted) { downcasted = int16(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(16, value); } } /** * @dev Returns the downcasted int8 from int256, reverting on * overflow (when the input is less than smallest int8 or * greater than largest int8). * * Counterpart to Solidity's `int8` operator. * * Requirements: * * - input must fit into 8 bits */ function toInt8(int256 value) internal pure returns (int8 downcasted) { downcasted = int8(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(8, value); } } /** * @dev Converts an unsigned uint256 into a signed int256. * * Requirements: * * - input must be less than or equal to maxInt256. */ function toInt256(uint256 value) internal pure returns (int256) { // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive if (value > uint256(type(int256).max)) { revert SafeCastOverflowedUintToInt(value); } return int256(value); } /** * @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump. */ function toUint(bool b) internal pure returns (uint256 u) { assembly ("memory-safe") { u := iszero(iszero(b)) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.20; import {SafeCast} from "./SafeCast.sol"; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant. * * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone. * However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute * one branch when needed, making this function more expensive. */ function ternary(bool condition, int256 a, int256 b) internal pure returns (int256) { unchecked { // branchless ternary works because: // b ^ (a ^ b) == a // b ^ 0 == b return b ^ ((a ^ b) * int256(SafeCast.toUint(condition))); } } /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return ternary(a > b, a, b); } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return ternary(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 { // Formula from the "Bit Twiddling Hacks" by Sean Eron Anderson. // Since `n` is a signed integer, the generated bytecode will use the SAR opcode to perform the right shift, // taking advantage of the most significant (or "sign" bit) in two's complement representation. // This opcode adds new most significant bits set to the value of the previous most significant bit. As a result, // the mask will either be `bytes32(0)` (if n is positive) or `~bytes32(0)` (if n is negative). int256 mask = n >> 255; // A `bytes32(0)` mask leaves the input unchanged, while a `~bytes32(0)` mask complements it. return uint256((n + mask) ^ mask); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/Panic.sol) pragma solidity ^0.8.20; /** * @dev Helper library for emitting standardized panic codes. * * ```solidity * contract Example { * using Panic for uint256; * * // Use any of the declared internal constants * function foo() { Panic.GENERIC.panic(); } * * // Alternatively * function foo() { Panic.panic(Panic.GENERIC); } * } * ``` * * Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil]. * * _Available since v5.1._ */ // slither-disable-next-line unused-state library Panic { /// @dev generic / unspecified error uint256 internal constant GENERIC = 0x00; /// @dev used by the assert() builtin uint256 internal constant ASSERT = 0x01; /// @dev arithmetic underflow or overflow uint256 internal constant UNDER_OVERFLOW = 0x11; /// @dev division or modulo by zero uint256 internal constant DIVISION_BY_ZERO = 0x12; /// @dev enum conversion error uint256 internal constant ENUM_CONVERSION_ERROR = 0x21; /// @dev invalid encoding in storage uint256 internal constant STORAGE_ENCODING_ERROR = 0x22; /// @dev empty array pop uint256 internal constant EMPTY_ARRAY_POP = 0x31; /// @dev array out of bounds access uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32; /// @dev resource error (too large allocation or too large array) uint256 internal constant RESOURCE_ERROR = 0x41; /// @dev calling invalid internal function uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51; /// @dev Reverts with a panic code. Recommended to use with /// the internal constants with predefined codes. function panic(uint256 code) internal pure { assembly ("memory-safe") { mstore(0x00, 0x4e487b71) mstore(0x20, code) revert(0x1c, 0x24) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/StorageSlot.sol) // This file was procedurally generated from scripts/generate/templates/StorageSlot.js. pragma solidity ^0.8.20; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC-1967 implementation slot: * ```solidity * contract ERC1967 { * // Define the slot. Alternatively, use the SlotDerivation library to derive the slot. * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(newImplementation.code.length > 0); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * TIP: Consider using this library along with {SlotDerivation}. */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } struct Int256Slot { int256 value; } struct StringSlot { string value; } struct BytesSlot { bytes value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Int256Slot` with member `value` located at `slot`. */ function getInt256Slot(bytes32 slot) internal pure returns (Int256Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `StringSlot` with member `value` located at `slot`. */ function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns an `StringSlot` representation of the string storage pointer `store`. */ function getStringSlot(string storage store) internal pure returns (StringSlot storage r) { assembly ("memory-safe") { r.slot := store.slot } } /** * @dev Returns a `BytesSlot` with member `value` located at `slot`. */ function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`. */ function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) { assembly ("memory-safe") { r.slot := store.slot } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/Strings.sol) pragma solidity ^0.8.20; import {Math} from "./math/Math.sol"; import {SignedMath} from "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant HEX_DIGITS = "0123456789abcdef"; uint8 private constant ADDRESS_LENGTH = 20; /** * @dev The `value` string doesn't fit in the specified `length`. */ error StringsInsufficientHexLength(uint256 value, uint256 length); /** * @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; assembly ("memory-safe") { ptr := add(buffer, add(32, length)) } while (true) { ptr--; assembly ("memory-safe") { mstore8(ptr, byte(mod(value, 10), HEX_DIGITS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toStringSigned(int256 value) internal pure returns (string memory) { return string.concat(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) { uint256 localValue = value; 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] = HEX_DIGITS[localValue & 0xf]; localValue >>= 4; } if (localValue != 0) { revert StringsInsufficientHexLength(value, length); } 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 Converts an `address` with fixed length of 20 bytes to its checksummed ASCII `string` hexadecimal * representation, according to EIP-55. */ function toChecksumHexString(address addr) internal pure returns (string memory) { bytes memory buffer = bytes(toHexString(addr)); // hash the hex part of buffer (skip length + 2 bytes, length 40) uint256 hashValue; assembly ("memory-safe") { hashValue := shr(96, keccak256(add(buffer, 0x22), 40)) } for (uint256 i = 41; i > 1; --i) { // possible values for buffer[i] are 48 (0) to 57 (9) and 97 (a) to 102 (f) if (hashValue & 0xf > 7 && uint8(buffer[i]) > 96) { // case shift by xoring with 0x20 buffer[i] ^= 0x20; } hashValue >>= 4; } return string(buffer); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b)); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev This is a base contract to aid in writing upgradeable diamond facet contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. */ import {ERC721A__InitializableStorage} from './ERC721A__InitializableStorage.sol'; abstract contract ERC721A__Initializable { using ERC721A__InitializableStorage for ERC721A__InitializableStorage.Layout; /** * @dev Modifier to protect an initializer function from being invoked twice. */ modifier initializerERC721A() { // If the contract is initializing we ignore whether _initialized is set in order to support multiple // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the // contract may have been reentered. require( ERC721A__InitializableStorage.layout()._initializing ? _isConstructor() : !ERC721A__InitializableStorage.layout()._initialized, 'ERC721A__Initializable: contract is already initialized' ); bool isTopLevelCall = !ERC721A__InitializableStorage.layout()._initializing; if (isTopLevelCall) { ERC721A__InitializableStorage.layout()._initializing = true; ERC721A__InitializableStorage.layout()._initialized = true; } _; if (isTopLevelCall) { ERC721A__InitializableStorage.layout()._initializing = false; } } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} modifier, directly or indirectly. */ modifier onlyInitializingERC721A() { require( ERC721A__InitializableStorage.layout()._initializing, 'ERC721A__Initializable: contract is not initializing' ); _; } /// @dev Returns true if and only if the function is running in the constructor function _isConstructor() private view returns (bool) { // extcodesize checks the size of the code stored in an address, and // address returns the current address. Since the code is still not // deployed when running a constructor, any checks on its code size will // yield zero, making it an effective way to detect if a contract is // under construction or not. address self = address(this); uint256 cs; assembly { cs := extcodesize(self) } return cs == 0; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev This is a base storage for the initialization function for upgradeable diamond facet contracts **/ library ERC721A__InitializableStorage { struct Layout { /* * Indicates that the contract has been initialized. */ bool _initialized; /* * Indicates that the contract is in the process of being initialized. */ bool _initializing; } bytes32 internal constant STORAGE_SLOT = keccak256('ERC721A.contracts.storage.initializable.facet'); function layout() internal pure returns (Layout storage l) { bytes32 slot = STORAGE_SLOT; assembly { l.slot := slot } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; library ERC721AStorage { // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364). struct TokenApprovalRef { address value; } struct Layout { // ============================================================= // STORAGE // ============================================================= // The next token ID to be minted. uint256 _currentIndex; // The number of tokens burned. uint256 _burnCounter; // Token name string _name; // Token symbol string _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) _packedOwnerships; // Mapping owner address to address data. // // Bits Layout: // - [0..63] `balance` // - [64..127] `numberMinted` // - [128..191] `numberBurned` // - [192..255] `aux` mapping(address => uint256) _packedAddressData; // Mapping from token ID to approved address. mapping(uint256 => ERC721AStorage.TokenApprovalRef) _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) _operatorApprovals; // The amount of tokens minted above `_sequentialUpTo()`. // We call these spot mints (i.e. non-sequential mints). uint256 _spotMinted; } bytes32 internal constant STORAGE_SLOT = keccak256('ERC721A.contracts.storage.ERC721A'); function layout() internal pure returns (Layout storage l) { bytes32 slot = STORAGE_SLOT; assembly { l.slot := slot } } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.3.0 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721AUpgradeable.sol'; import {ERC721AStorage} from './ERC721AStorage.sol'; import './ERC721A__Initializable.sol'; /** * @dev Interface of ERC721 token receiver. */ interface ERC721A__IERC721ReceiverUpgradeable { 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()`. * * The `_sequentialUpTo()` function can be overriden to enable spot mints * (i.e. non-consecutive mints) for `tokenId`s greater than `_sequentialUpTo()`. * * 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 ERC721AUpgradeable is ERC721A__Initializable, IERC721AUpgradeable { using ERC721AStorage for ERC721AStorage.Layout; // ============================================================= // 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; // ============================================================= // CONSTRUCTOR // ============================================================= function __ERC721A_init(string memory name_, string memory symbol_) internal onlyInitializingERC721A { __ERC721A_init_unchained(name_, symbol_); } function __ERC721A_init_unchained(string memory name_, string memory symbol_) internal onlyInitializingERC721A { ERC721AStorage.layout()._name = name_; ERC721AStorage.layout()._symbol = symbol_; ERC721AStorage.layout()._currentIndex = _startTokenId(); if (_sequentialUpTo() < _startTokenId()) _revert(SequentialUpToTooSmall.selector); } // ============================================================= // TOKEN COUNTING OPERATIONS // ============================================================= /** * @dev Returns the starting token ID for sequential mints. * * Override this function to change the starting token ID for sequential mints. * * Note: The value returned must never change after any tokens have been minted. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the maximum token ID (inclusive) for sequential mints. * * Override this function to return a value less than 2**256 - 1, * but greater than `_startTokenId()`, to enable spot (non-sequential) mints. * * Note: The value returned must never change after any tokens have been minted. */ function _sequentialUpTo() internal view virtual returns (uint256) { return type(uint256).max; } /** * @dev Returns the next token ID to be minted. */ function _nextTokenId() internal view virtual returns (uint256) { return ERC721AStorage.layout()._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 result) { // Counter underflow is impossible as `_burnCounter` cannot be incremented // more than `_currentIndex + _spotMinted - _startTokenId()` times. unchecked { // With spot minting, the intermediate `result` can be temporarily negative, // and the computation must be unchecked. result = ERC721AStorage.layout()._currentIndex - ERC721AStorage.layout()._burnCounter - _startTokenId(); if (_sequentialUpTo() != type(uint256).max) result += ERC721AStorage.layout()._spotMinted; } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256 result) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { result = ERC721AStorage.layout()._currentIndex - _startTokenId(); if (_sequentialUpTo() != type(uint256).max) result += ERC721AStorage.layout()._spotMinted; } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return ERC721AStorage.layout()._burnCounter; } /** * @dev Returns the total number of tokens that are spot-minted. */ function _totalSpotMinted() internal view virtual returns (uint256) { return ERC721AStorage.layout()._spotMinted; } // ============================================================= // 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.selector); return ERC721AStorage.layout()._packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return (ERC721AStorage.layout()._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 (ERC721AStorage.layout()._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(ERC721AStorage.layout()._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 = ERC721AStorage.layout()._packedAddressData[owner]; uint256 auxCasted; // Cast `aux` with assembly to avoid redundant masking. assembly { auxCasted := aux } packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX); ERC721AStorage.layout()._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 ERC721AStorage.layout()._name; } /** * @dev Returns the token collection symbol. */ function symbol() public view virtual override returns (string memory) { return ERC721AStorage.layout()._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.selector); 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(ERC721AStorage.layout()._packedOwnerships[index]); } /** * @dev Returns whether the ownership slot at `index` is initialized. * An uninitialized slot does not necessarily mean that the slot has no owner. */ function _ownershipIsInitialized(uint256 index) internal view virtual returns (bool) { return ERC721AStorage.layout()._packedOwnerships[index] != 0; } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal virtual { if (ERC721AStorage.layout()._packedOwnerships[index] == 0) { ERC721AStorage.layout()._packedOwnerships[index] = _packedOwnershipOf(index); } } /** * @dev Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256 packed) { if (_startTokenId() <= tokenId) { packed = ERC721AStorage.layout()._packedOwnerships[tokenId]; if (tokenId > _sequentialUpTo()) { if (_packedOwnershipExists(packed)) return packed; _revert(OwnerQueryForNonexistentToken.selector); } // If the data at the starting slot does not exist, start the scan. if (packed == 0) { if (tokenId >= ERC721AStorage.layout()._currentIndex) _revert(OwnerQueryForNonexistentToken.selector); // 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, `tokenId` will not underflow. // // We can directly compare the packed value. // If the address is zero, packed will be zero. for (;;) { unchecked { packed = ERC721AStorage.layout()._packedOwnerships[--tokenId]; } if (packed == 0) continue; if (packed & _BITMASK_BURNED == 0) return packed; // Otherwise, the token is burned, and we must revert. // This handles the case of batch burned tokens, where only the burned bit // of the starting slot is set, and remaining slots are left uninitialized. _revert(OwnerQueryForNonexistentToken.selector); } } // Otherwise, the data exists and we can skip the scan. // This is possible because we have already achieved the target condition. // This saves 2143 gas on transfers of initialized tokens. // If the token is not burned, return `packed`. Otherwise, revert. if (packed & _BITMASK_BURNED == 0) return packed; } _revert(OwnerQueryForNonexistentToken.selector); } /** * @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. See {ERC721A-_approve}. * * Requirements: * * - The caller must own the token or be an approved operator. */ function approve(address to, uint256 tokenId) public payable virtual override { _approve(to, tokenId, true); } /** * @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.selector); return ERC721AStorage.layout()._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 { ERC721AStorage.layout()._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 ERC721AStorage.layout()._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 result) { if (_startTokenId() <= tokenId) { if (tokenId > _sequentialUpTo()) return _packedOwnershipExists(ERC721AStorage.layout()._packedOwnerships[tokenId]); if (tokenId < ERC721AStorage.layout()._currentIndex) { uint256 packed; while ((packed = ERC721AStorage.layout()._packedOwnerships[tokenId]) == 0) --tokenId; result = packed & _BITMASK_BURNED == 0; } } } /** * @dev Returns whether `packed` represents a token that exists. */ function _packedOwnershipExists(uint256 packed) private pure returns (bool result) { assembly { // The following is equivalent to `owner != address(0) && burned == false`. // Symbolically tested. result := gt(and(packed, _BITMASK_ADDRESS), and(packed, _BITMASK_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) { ERC721AStorage.TokenApprovalRef storage tokenApproval = ERC721AStorage.layout()._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); // Mask `from` to the lower 160 bits, in case the upper bits somehow aren't clean. from = address(uint160(uint256(uint160(from)) & _BITMASK_ADDRESS)); if (address(uint160(prevOwnershipPacked)) != from) _revert(TransferFromIncorrectOwner.selector); (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.selector); _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. --ERC721AStorage.layout()._packedAddressData[from]; // Updates: `balance -= 1`. ++ERC721AStorage.layout()._packedAddressData[to]; // Updates: `balance += 1`. // Updates: // - `address` to the next owner. // - `startTimestamp` to the timestamp of transfering. // - `burned` to `false`. // - `nextInitialized` to `true`. ERC721AStorage.layout()._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 (ERC721AStorage.layout()._packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != ERC721AStorage.layout()._currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. ERC721AStorage.layout()._packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS; assembly { // 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. from, // `from`. toMasked, // `to`. tokenId // `tokenId`. ) } if (toMasked == 0) _revert(TransferToZeroAddress.selector); _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.selector); } } /** * @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__IERC721ReceiverUpgradeable(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns (bytes4 retval) { return retval == ERC721A__IERC721ReceiverUpgradeable(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { _revert(TransferToNonERC721ReceiverImplementer.selector); } 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 = ERC721AStorage.layout()._currentIndex; if (quantity == 0) _revert(MintZeroQuantity.selector); _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: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. ERC721AStorage.layout()._packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. ERC721AStorage.layout()._packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS; if (toMasked == 0) _revert(MintToZeroAddress.selector); uint256 end = startTokenId + quantity; uint256 tokenId = startTokenId; if (end - 1 > _sequentialUpTo()) _revert(SequentialMintExceedsLimit.selector); do { assembly { // 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`. tokenId // `tokenId`. ) } // The `!=` check ensures that large values of `quantity` // that overflows uint256 will make the loop run out of gas. } while (++tokenId != end); ERC721AStorage.layout()._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 = ERC721AStorage.layout()._currentIndex; if (to == address(0)) _revert(MintToZeroAddress.selector); if (quantity == 0) _revert(MintZeroQuantity.selector); if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) _revert(MintERC2309QuantityExceedsLimit.selector); _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`. ERC721AStorage.layout()._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`. ERC721AStorage.layout()._packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); if (startTokenId + quantity - 1 > _sequentialUpTo()) _revert(SequentialMintExceedsLimit.selector); emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to); ERC721AStorage.layout()._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 = ERC721AStorage.layout()._currentIndex; uint256 index = end - quantity; do { if (!_checkContractOnERC721Received(address(0), to, index++, _data)) { _revert(TransferToNonERC721ReceiverImplementer.selector); } } while (index < end); // This prevents reentrancy to `_safeMint`. // It does not prevent reentrancy to `_safeMintSpot`. if (ERC721AStorage.layout()._currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ''); } /** * @dev Mints a single token at `tokenId`. * * Note: A spot-minted `tokenId` that has been burned can be re-minted again. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` must be greater than `_sequentialUpTo()`. * - `tokenId` must not exist. * * Emits a {Transfer} event for each mint. */ function _mintSpot(address to, uint256 tokenId) internal virtual { if (tokenId <= _sequentialUpTo()) _revert(SpotMintTokenIdTooSmall.selector); uint256 prevOwnershipPacked = ERC721AStorage.layout()._packedOwnerships[tokenId]; if (_packedOwnershipExists(prevOwnershipPacked)) _revert(TokenAlreadyExists.selector); _beforeTokenTransfers(address(0), to, tokenId, 1); // Overflows are incredibly unrealistic. // The `numberMinted` for `to` is incremented by 1, and has a max limit of 2**64 - 1. // `_spotMinted` is incremented by 1, and has a max limit of 2**256 - 1. unchecked { // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `true` (as `quantity == 1`). ERC721AStorage.layout()._packedOwnerships[tokenId] = _packOwnershipData( to, _nextInitializedFlag(1) | _nextExtraData(address(0), to, prevOwnershipPacked) ); // Updates: // - `balance += 1`. // - `numberMinted += 1`. // // We can directly add to the `balance` and `numberMinted`. ERC721AStorage.layout()._packedAddressData[to] += (1 << _BITPOS_NUMBER_MINTED) | 1; // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS; if (toMasked == 0) _revert(MintToZeroAddress.selector); assembly { // 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`. tokenId // `tokenId`. ) } ++ERC721AStorage.layout()._spotMinted; } _afterTokenTransfers(address(0), to, tokenId, 1); } /** * @dev Safely mints a single token at `tokenId`. * * Note: A spot-minted `tokenId` that has been burned can be re-minted again. * * Requirements: * * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}. * - `tokenId` must be greater than `_sequentialUpTo()`. * - `tokenId` must not exist. * * See {_mintSpot}. * * Emits a {Transfer} event. */ function _safeMintSpot( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mintSpot(to, tokenId); unchecked { if (to.code.length != 0) { uint256 currentSpotMinted = ERC721AStorage.layout()._spotMinted; if (!_checkContractOnERC721Received(address(0), to, tokenId, _data)) { _revert(TransferToNonERC721ReceiverImplementer.selector); } // This prevents reentrancy to `_safeMintSpot`. // It does not prevent reentrancy to `_safeMint`. if (ERC721AStorage.layout()._spotMinted != currentSpotMinted) revert(); } } } /** * @dev Equivalent to `_safeMintSpot(to, tokenId, '')`. */ function _safeMintSpot(address to, uint256 tokenId) internal virtual { _safeMintSpot(to, tokenId, ''); } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Equivalent to `_approve(to, tokenId, false)`. */ function _approve(address to, uint256 tokenId) internal virtual { _approve(to, tokenId, false); } /** * @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: * * - `tokenId` must exist. * * Emits an {Approval} event. */ function _approve( address to, uint256 tokenId, bool approvalCheck ) internal virtual { address owner = ownerOf(tokenId); if (approvalCheck && _msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { _revert(ApprovalCallerNotOwnerNorApproved.selector); } ERC721AStorage.layout()._tokenApprovals[tokenId].value = to; emit Approval(owner, to, tokenId); } // ============================================================= // 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.selector); } _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;`. ERC721AStorage.layout()._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`. ERC721AStorage.layout()._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 (ERC721AStorage.layout()._packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != ERC721AStorage.layout()._currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. ERC721AStorage.layout()._packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, address(0), tokenId); _afterTokenTransfers(from, address(0), tokenId, 1); // Overflow not possible, as `_burnCounter` cannot be exceed `_currentIndex + _spotMinted` times. unchecked { ERC721AStorage.layout()._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 = ERC721AStorage.layout()._packedOwnerships[index]; if (packed == 0) _revert(OwnershipNotInitializedForExtraData.selector); uint256 extraDataCasted; // Cast `extraData` with assembly to avoid redundant masking. assembly { extraDataCasted := extraData } packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA); ERC721AStorage.layout()._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) } } /** * @dev For more efficient reverts. */ function _revert(bytes4 errorSelector) internal pure { assembly { mstore(0x00, errorSelector) revert(0x00, 0x04) } } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.3.0 // Creator: Chiru Labs pragma solidity ^0.8.4; /** * @dev Interface of ERC721A. */ interface IERC721AUpgradeable { /** * 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(); /** * `_sequentialUpTo()` must be greater than `_startTokenId()`. */ error SequentialUpToTooSmall(); /** * The `tokenId` of a sequential mint exceeds `_sequentialUpTo()`. */ error SequentialMintExceedsLimit(); /** * Spot minting requires a `tokenId` greater than `_sequentialUpTo()`. */ error SpotMintTokenIdTooSmall(); /** * Cannot mint over a token that already exists. */ error TokenAlreadyExists(); /** * The feature is not compatible with spot mints. */ error NotCompatibleWithSpotMints(); // ============================================================= // 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); }
{ "evmVersion": "paris", "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[{"internalType":"address","name":"implementation","type":"address"}],"name":"ERC1967InvalidImplementation","type":"error"},{"inputs":[],"name":"ERC1967NonPayable","type":"error"},{"inputs":[],"name":"FailedCall","type":"error"},{"inputs":[],"name":"InvalidInitialization","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"NotCompatibleWithSpotMints","type":"error"},{"inputs":[],"name":"NotInitializing","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"ReentrancyGuardReentrantCall","type":"error"},{"inputs":[],"name":"SequentialMintExceedsLimit","type":"error"},{"inputs":[],"name":"SequentialUpToTooSmall","type":"error"},{"inputs":[],"name":"SpotMintTokenIdTooSmall","type":"error"},{"inputs":[],"name":"TokenAlreadyExists","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"},{"inputs":[],"name":"UUPSUnauthorizedCallContext","type":"error"},{"inputs":[{"internalType":"bytes32","name":"slot","type":"bytes32"}],"name":"UUPSUnsupportedProxiableUUID","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":[],"name":"EIP712DomainChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint64","name":"version","type":"uint64"}],"name":"Initialized","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"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"UPGRADE_INTERFACE_VERSION","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","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":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"eip712Domain","outputs":[{"internalType":"bytes1","name":"fields","type":"bytes1"},{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"version","type":"string"},{"internalType":"uint256","name":"chainId","type":"uint256"},{"internalType":"address","name":"verifyingContract","type":"address"},{"internalType":"bytes32","name":"salt","type":"bytes32"},{"internalType":"uint256[]","name":"extensions","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getActivePhase","outputs":[{"internalType":"enum ApeSea.PhaseSide","name":"","type":"uint8"}],"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":"enum ApeSea.PhaseSide","name":"phaseSide","type":"uint8"}],"name":"getPhase","outputs":[{"components":[{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"endTime","type":"uint256"},{"internalType":"uint256","name":"minted","type":"uint256"}],"internalType":"struct ApeSea.Phase","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"enum ApeSea.PhaseSide","name":"phaseSide","type":"uint8"}],"name":"getPhaseMaxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"initialOwner","type":"address"},{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","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":[{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","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":"proxiableUUID","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","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":"_baseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum ApeSea.PhaseSide","name":"phaseSide","type":"uint8"},{"internalType":"uint256","name":"maxSupply","type":"uint256"}],"name":"setPhaseMaxSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum ApeSea.PhaseSide","name":"phaseSide","type":"uint8"},{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"endTime","type":"uint256"}],"name":"setPhaseTimes","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_signer","type":"address"}],"name":"setSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"signer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","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":"result","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":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userMinted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Loading...
Loading
Loading...
Loading
Multichain Portfolio | 30 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|
[ Download: CSV Export ]
A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.