Overview
TokenID
1732
Total Transfers
-
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Minimal Proxy Contract for 0x184e48fa8b332d3d3fb08eda535fd7591e340bb2
Contract Name:
NFTByMetadrop
Compiler Version
v0.8.19+commit.7dd6d404
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: BUSL 1.0 // Metadrop Contracts (v0.0.1) /** * * @title NFTByMetadrop.sol. This contract is the clonable template contract for * all metadrop NFT deployments. * * @author metadrop https://metadrop.com/ * * @notice This contract does not include logic associated with the primary * sale of the NFT, that functionality being provided by other contracts within * the metadrop platform (e.g. an auction, or a public and list based sale) that * form a suite of primary sale modules. * */ pragma solidity 0.8.19; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/security/Pausable.sol"; import "operator-filter-registry/src/DefaultOperatorFilterer.sol"; import "./ERC721M.sol"; import "./INFTByMetadrop.sol"; import "../DropFactory/IDropFactory.sol"; import "../Global/AuthorityModel.sol"; /** * * @dev Inheritance details: * ERC721M ERC721Metadrop token standard, based on openzeppelin ERC721 * INFTMetadrop Interface definition for the metadrop NFT * DefaultOperatorFilterer Implemented for royalty compliant filtering * Pausable Allow contract to be paused by an authorised user * */ contract NFTByMetadrop is ERC721M, INFTByMetadrop, DefaultOperatorFilterer, Pausable, AuthorityModel { using Strings for uint256; // Which metadata source are we using: bool public useArweave; // Is metadata locked?: bool public metadataLocked; // Minting complete confirmation bool public mintingComplete; // Are we revealed: bool public collectionRevealed; // Bool that controls initialisation and only allows it to occur ONCE. This is // needed as this contract is clonable, threfore the constructor is not called // on cloned instances. We setup state of this contract through the initialise // function. bool public initialised; // Token Allocation method enum TokenAllocationMethod private allocationMethod; uint8 public pauseCutOffInDays; uint32 public deployTimeStamp; // URI details: string public preRevealURI; string public arweaveURI; string public ipfsURI; // Proof and VRF results for metadata reveal: bytes32 public positionProof; uint256 public recordedRandomWord; uint256 public vrfStartPosition; // Valid primary market addresses mapping(address => bool) public validPrimaryMarketAddress; /** ==================================================================================================================== * CONSTRUCTOR AND INTIIALISE * ===================================================================================================================== */ /** ____________________________________________________________________________________________________________________ * -->CONSTRUCTOR * @dev constructor The constructor is not called when the contract is cloned. In this * constructor we just setup default values and set the template contract to initialised. * * --------------------------------------------------------------------------------------------------------------------- * @param epsRegister_ The EPS register address (0x888888888888660F286A7C06cfa3407d09af44B2 on most chains) * --------------------------------------------------------------------------------------------------------------------- * @param lzEndpoint_ The LZ endpoint for this chain * (see https://layerzero.gitbook.io/docs/technical-reference/mainnet/supported-chain-ids) * --------------------------------------------------------------------------------------------------------------------- * @param layerZeroBase_ If this contract is the base layerZero contract. For this ONFT implementation the base * contract is where intial minting can occue. NFTs can then be sent to any supporting chain * but cannot be 'freshly' minted on other chains and sent to the base contract. * _____________________________________________________________________________________________________________________ */ constructor( address epsRegister_, address lzEndpoint_, bool layerZeroBase_ ) ERC721M(epsRegister_, lzEndpoint_, layerZeroBase_) { // Initialise this template instance: _initialiseERC721M("NFT", "NFT", 0, msg.sender); initialised = true; } /** ____________________________________________________________________________________________________________________ * -->INITIALISE * @dev (function) initialiseNFT Load configuration into storage for a new instance. * * --------------------------------------------------------------------------------------------------------------------- * @param owner_ The owner for this contract. Will be used to set the owner in ERC721M and also the * platform admin AccessControl role * --------------------------------------------------------------------------------------------------------------------- * @param projectOwner_ The project owner for this drop. Sets the project admin AccessControl role * --------------------------------------------------------------------------------------------------------------------- * @param primarySaleModules_ The primary sale modules for this drop. These are the contract addresses that are * authorised to call mint on this contract. * --------------------------------------------------------------------------------------------------------------------- * @param nftModule_ The drop specific configuration for this NFT. This is decoded and used to set * configuration for this metadrop drop * --------------------------------------------------------------------------------------------------------------------- * @param royaltyPaymentSplitter_ The address of the deployed royalty payment splitted for this drop * --------------------------------------------------------------------------------------------------------------------- * @param royaltyFromSalesInBasisPoints_ The royalty basis points for this drop * --------------------------------------------------------------------------------------------------------------------- * @param collectionURIs_ The URIs for this collection * --------------------------------------------------------------------------------------------------------------------- * @param pauseCutOffInDays_ The number of days from deployment that this contract can be paused * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function initialiseNFT( address owner_, address projectOwner_, PrimarySaleModuleInstance[] calldata primarySaleModules_, NFTModuleConfig calldata nftModule_, address royaltyPaymentSplitter_, uint96 royaltyFromSalesInBasisPoints_, string[3] calldata collectionURIs_, uint8 pauseCutOffInDays_ ) public { // This clone instance can only be initialised ONCE if (initialised) revert AlreadyInitialised(); _decodeAndSetParams(projectOwner_, nftModule_); // Setup the platform admin and the project owner roles _grantRole(PLATFORM_ADMIN, owner_); // We set the role admin to the role itself. This means that the holder of this role can transfer // it to another address _setRoleAdmin(PLATFORM_ADMIN, PLATFORM_ADMIN); _grantRole(PROJECT_OWNER, projectOwner_); // We set the role admin to the role itself. This means that the holder of this role can transfer // it to another address _setRoleAdmin(PROJECT_OWNER, PROJECT_OWNER); // Set the token allocation method (note - only sequential supported in v1) if (allocationMethod != TokenAllocationMethod.sequential) { revert InvalidTokenAllocationMethod(); } // Load the primary sale modules to the mappings for (uint256 i = 0; i < primarySaleModules_.length; ) { validPrimaryMarketAddress[primarySaleModules_[i].instanceAddress] = true; unchecked { i++; } } // Royalty setup // If the royalty contract is address(0) then the royalty module // has been flagged as not required for this drop. // To avoid any possible loss of funds from incorrect configuation we don't // set the royalty receiver address to address(0), but rather to the owner if (royaltyPaymentSplitter_ == address(0)) { _setDefaultRoyalty(owner_, royaltyFromSalesInBasisPoints_); } else { _setDefaultRoyalty( royaltyPaymentSplitter_, royaltyFromSalesInBasisPoints_ ); } useArweave = false; metadataLocked = false; mintingComplete = false; collectionRevealed = false; preRevealURI = collectionURIs_[0]; ipfsURI = collectionURIs_[1]; arweaveURI = collectionURIs_[2]; factory = msg.sender; pauseCutOffInDays = pauseCutOffInDays_; deployTimeStamp = uint32(block.timestamp); // Set this clone to initialised initialised = true; } /** ____________________________________________________________________________________________________________________ * -->INITIALISE * @dev (function) _decodeAndSetParams Decode NFT Parameters * * --------------------------------------------------------------------------------------------------------------------- * @param projectOwner_ The project owner * --------------------------------------------------------------------------------------------------------------------- * @param nftModule_ NFT module data * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function _decodeAndSetParams( address projectOwner_, NFTModuleConfig calldata nftModule_ ) internal { // Decode the config ( uint256 decodedSupply, uint256 decodedMintingMethod, string memory decodedName, string memory decodedSymbol, bytes32 decodedPositionProof ) = abi.decode( nftModule_.configData, (uint256, uint256, string, string, bytes32) ); // Initialise values on ERC721M _initialiseERC721M( decodedName, decodedSymbol, decodedSupply, projectOwner_ ); positionProof = decodedPositionProof; allocationMethod = TokenAllocationMethod(decodedMintingMethod); } /** ==================================================================================================================== * OPERATOR FILTER REGISTRY * ===================================================================================================================== */ /** ____________________________________________________________________________________________________________________ * -->OPERATOR FILTER * @dev (function) setApprovalForAll Operator filter registry override * * --------------------------------------------------------------------------------------------------------------------- * @param operator The operator for the approval * --------------------------------------------------------------------------------------------------------------------- * @param approved If the operator is approved * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setApprovalForAll( address operator, bool approved ) public override onlyAllowedOperatorApproval(operator) whenNotPaused { super.setApprovalForAll(operator, approved); } /** ____________________________________________________________________________________________________________________ * -->OPERATOR FILTER * @dev (function) approve Operator filter registry override * * --------------------------------------------------------------------------------------------------------------------- * @param operator The operator for the approval * --------------------------------------------------------------------------------------------------------------------- * @param tokenId The tokenId for this approval * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function approve( address operator, uint256 tokenId ) public override onlyAllowedOperatorApproval(operator) whenNotPaused { super.approve(operator, tokenId); } /** ____________________________________________________________________________________________________________________ * -->OPERATOR FILTER * @dev (function) transferFrom Operator filter registry override * * --------------------------------------------------------------------------------------------------------------------- * @param from The sender of the token * --------------------------------------------------------------------------------------------------------------------- * @param to The recipient of the token * --------------------------------------------------------------------------------------------------------------------- * @param tokenId The tokenId for this approval * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function transferFrom( address from, address to, uint256 tokenId ) public override onlyAllowedOperator(from) whenNotPaused { super.transferFrom(from, to, tokenId); } /** ____________________________________________________________________________________________________________________ * -->OPERATOR FILTER * @dev (function) safeTransferFrom Operator filter registry override * * --------------------------------------------------------------------------------------------------------------------- * @param from The sender of the token * --------------------------------------------------------------------------------------------------------------------- * @param to The recipient of the token * --------------------------------------------------------------------------------------------------------------------- * @param tokenId The tokenId for this approval * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function safeTransferFrom( address from, address to, uint256 tokenId ) public override onlyAllowedOperator(from) whenNotPaused { super.safeTransferFrom(from, to, tokenId); } /** ____________________________________________________________________________________________________________________ * -->OPERATOR FILTER * @dev (function) safeTransferFrom Operator filter registry override * * --------------------------------------------------------------------------------------------------------------------- * @param from The sender of the token * --------------------------------------------------------------------------------------------------------------------- * @param to The recipient of the token * --------------------------------------------------------------------------------------------------------------------- * @param tokenId The tokenId for this approval * --------------------------------------------------------------------------------------------------------------------- * @param data bytes data accompanying this transfer operation * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory data ) public override onlyAllowedOperator(from) whenNotPaused { super.safeTransferFrom(from, to, tokenId, data); } /** ==================================================================================================================== * PRIVILEGED ACCESS * ===================================================================================================================== */ /** ____________________________________________________________________________________________________________________ * -->PAUSE * @dev (function) grantRole Override the external grant role method such that additional addresses cannot be granted * roles. The existing project owner and platform admins can transfer their roles, but they cannot create additional * authorised addresses at those roles. This maintains consistency with the single owner address that most projects are * familiar with (from Ownable.sol), and reduces the admin burden of tracking potentialy n authorised addresses. * _____________________________________________________________________________________________________________________ */ function grantRole(bytes32, address) public pure override { revert AdditionalAddressesCannotBeAddedToRolesUseTransferToTransferRoleToAnotherAddress(); } /** ____________________________________________________________________________________________________________________ * -->PAUSE * @dev (function) pause Allow platform admin to pause * _____________________________________________________________________________________________________________________ */ function pause() external onlyPlatformAdminOrProjectOwner { unchecked { if (block.timestamp > (deployTimeStamp + pauseCutOffInDays * 1 days)) { revert PauseCutOffHasPassed(); } } _pause(); } /** ____________________________________________________________________________________________________________________ * -->PAUSE * @dev (function) unpause Allow platform admin to unpause * * _____________________________________________________________________________________________________________________ */ function unpause() external onlyPlatformAdminOrProjectOwner { _unpause(); } /** ____________________________________________________________________________________________________________________ * -->LOCK MINTING * @dev (function) setMintingCompleteForeverCannotBeUndone Allow project owner OR platform admin to set minting * complete * * @notice Enter confirmation value of "MintingComplete" to confirm that you are closing minting. * * --------------------------------------------------------------------------------------------------------------------- * @param confirmation_ Confirmation string * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setMintingCompleteForeverCannotBeUndone( string calldata confirmation_ ) external onlyPlatformAdminOrProjectOwner { if ( keccak256(abi.encodePacked(confirmation_)) == keccak256(abi.encodePacked("MintingComplete")) ) { mintingComplete = true; } else { revert IncorrectConfirmationValue(); } } /** ____________________________________________________________________________________________________________________ * -->REVEAL * @dev (function) revealCollection Set the collection to revealed * * _____________________________________________________________________________________________________________________ */ function revealCollection() external onlyPlatformAdminOrProjectOwner { collectionRevealed = true; emit Revealed(); } /** ____________________________________________________________________________________________________________________ * -->REVEAL * @dev (function) setPositionProof Set the metadata position proof * * --------------------------------------------------------------------------------------------------------------------- * @param positionProof_ The metadata proof * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setPositionProof(bytes32 positionProof_) external onlyPlatformAdmin { positionProof = positionProof_; emit PositionProofSet(positionProof_); } /** ____________________________________________________________________________________________________________________ * -->REVEAL * @dev (function) setStartPosition Get the metadata start position for use on reveal of this collection * _____________________________________________________________________________________________________________________ */ function setStartPosition() external onlyPlatformAdminOrProjectOwner { if (recordedRandomWord != 0) { revert VRFAlreadySet(); } IDropFactory(factory).requestVRFRandomness(); } /** ____________________________________________________________________________________________________________________ * -->REVEAL * @dev (function) fulfillRandomWords Callback from the chainlinkv2 oracle (on factory) with randomness * * --------------------------------------------------------------------------------------------------------------------- * @param requestId_ The Id of this request (this contract will submit a single request) * --------------------------------------------------------------------------------------------------------------------- * @param randomWords_ The random words returned from chainlink * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function fulfillRandomWords( uint256 requestId_, uint256[] memory randomWords_ ) external { if (msg.sender == factory) { recordedRandomWord = randomWords_[0]; unchecked { vrfStartPosition = (randomWords_[0] % maxSupply) + 1; } emit RandomNumberReceived(requestId_, randomWords_[0]); emit VRFPositionSet(vrfStartPosition); } else { revert MetadropFactoryOnly(); } } /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (function) transferProjectOwner Allows the current project owner to transfer this role to another address * * --------------------------------------------------------------------------------------------------------------------- * @param newProjectOwner_ New project owner * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function transferProjectOwner( address newProjectOwner_ ) external onlyProjectOwner { _grantRole(PROJECT_OWNER, newProjectOwner_); _revokeRole(PROJECT_OWNER, msg.sender); } /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (function) transferPlatformAdmin Allows the current platform admin to transfer this role to another address * * --------------------------------------------------------------------------------------------------------------------- * @param newPlatformAdmin_ New platform admin * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function transferPlatformAdmin( address newPlatformAdmin_ ) external onlyPlatformAdmin { _grantRole(PLATFORM_ADMIN, newPlatformAdmin_); _revokeRole(PLATFORM_ADMIN, msg.sender); } /** ____________________________________________________________________________________________________________________ * -->METADATA * @dev (function) setURIs Set the URI data for this contracts * * --------------------------------------------------------------------------------------------------------------------- * @param preRevealURI_ The URI to use pre-reveal * --------------------------------------------------------------------------------------------------------------------- * @param arweaveURI_ The URI for arweave * --------------------------------------------------------------------------------------------------------------------- * @param ipfsURI_ The URI for IPFS * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setURIs( string calldata preRevealURI_, string calldata arweaveURI_, string calldata ipfsURI_ ) external onlyPlatformAdmin { if (metadataLocked) { revert MetadataIsLocked(); } preRevealURI = preRevealURI_; arweaveURI = arweaveURI_; ipfsURI = ipfsURI_; } /** ____________________________________________________________________________________________________________________ * -->METADATA * @dev (function) lockURIsCannotBeUndone Lock the URI data for this contract * * --------------------------------------------------------------------------------------------------------------------- * @param confirmation_ The confirmation string * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function lockURIsCannotBeUndone( string calldata confirmation_ ) external onlyPlatformAdmin { if ( keccak256(abi.encodePacked(confirmation_)) == keccak256(abi.encodePacked("LockURIs")) ) { metadataLocked = true; } else { revert IncorrectConfirmationValue(); } } /** ____________________________________________________________________________________________________________________ * -->METADATA * @dev (function) setUseArweave Guards against either arweave or IPFS being no more * * --------------------------------------------------------------------------------------------------------------------- * @param useArweave_ Boolean to indicate whether arweave should be used or not (true = use arweave, false = use IPFS) * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setUseArweave( bool useArweave_ ) external onlyPlatformAdminOrProjectOwner { useArweave = useArweave_; } /** ____________________________________________________________________________________________________________________ * -->ROYALTY * @dev (function) setDefaultRoyalty Set the royalty percentage * * @notice - we have specifically NOT implemented the ability to have different royalties on a token by token basis. * This reduces the complexity of processing on multi-buys, and also avoids challenges to decentralisation (e.g. the * project targetting one users tokens with larger royalties) * --------------------------------------------------------------------------------------------------------------------- * @param recipient_ Royalty receiver * --------------------------------------------------------------------------------------------------------------------- * @param fraction_ Royalty fraction * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setDefaultRoyalty( address recipient_, uint96 fraction_ ) public onlyPlatformAdminOrProjectOwner { _setDefaultRoyalty(recipient_, fraction_); } /** ____________________________________________________________________________________________________________________ * -->ROYALTY * @dev (function) deleteDefaultRoyalty Delete the royalty percentage claimed * * _____________________________________________________________________________________________________________________ */ function deleteDefaultRoyalty() public onlyPlatformAdminOrProjectOwner { _deleteDefaultRoyalty(); } /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) receive This contract does not handle ETH. Explicitly revert on receive() * * _____________________________________________________________________________________________________________________ */ receive() external payable { revert(); } /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) fallback Explicitly revert on fallback() * * _____________________________________________________________________________________________________________________ */ fallback() external payable { revert(); } /** ==================================================================================================================== * COLLECTION INFORMATION GETTERS * ===================================================================================================================== */ /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) metadropCustom Returns if this contract is a custom NFT (true) or is a standard metadrop * ERC721M (false) * * --------------------------------------------------------------------------------------------------------------------- * @return isMetadropCustom_ The total minted supply of this collection * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function metadropCustom() external pure returns (bool isMetadropCustom_) { return (false); } /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) totalSupply Returns total supply (minted - burned) * * --------------------------------------------------------------------------------------------------------------------- * @return totalSupply_ The total supply of this collection (minted - burned) * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function totalSupply() external view override(ERC721M, INFTByMetadrop) returns (uint256 totalSupply_) { return totalMinted() - totalBurned(); } /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) totalUnminted Returns the remaining unminted supply * * --------------------------------------------------------------------------------------------------------------------- * @return totalUnminted_ The total unminted supply of this collection * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function totalUnminted() public view override(ERC721M, INFTByMetadrop) returns (uint256 totalUnminted_) { return remainingSupply; } /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) totalMinted Returns the total number of tokens ever minted * * --------------------------------------------------------------------------------------------------------------------- * @return totalMinted_ The total minted supply of this collection * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function totalMinted() public view override(ERC721M, INFTByMetadrop) returns (uint256 totalMinted_) { return (maxSupply - remainingSupply); } /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) totalBurned Returns the count of tokens sent to the burn address * * --------------------------------------------------------------------------------------------------------------------- * @return totalBurned_ The total burned supply of this collection * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function totalBurned() public view override(ERC721M, INFTByMetadrop) returns (uint256 totalBurned_) { return ERC721M.balanceOf(BURN_ADDRESS); } /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) tokenURI Returns the URI for the passed token * * --------------------------------------------------------------------------------------------------------------------- * @return tokenURI_ The token URI * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function tokenURI( uint256 tokenId ) public view virtual override returns (string memory tokenURI_) { _requireMinted(tokenId); unchecked { if (!collectionRevealed) { return bytes(preRevealURI).length > 0 ? string(abi.encodePacked(preRevealURI)) : ""; } else { if (useArweave) { return bytes(arweaveURI).length > 0 ? string( abi.encodePacked( arweaveURI, ((tokenId + vrfStartPosition) % maxSupply).toString(), ".json" ) ) : ""; } else { return bytes(ipfsURI).length > 0 ? string( abi.encodePacked( ipfsURI, ((tokenId + vrfStartPosition) % maxSupply).toString(), ".json" ) ) : ""; } } } } /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) supportsInterface Override is required by Solidity. * * --------------------------------------------------------------------------------------------------------------------- * @return bool If the interface is supported * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function supportsInterface( bytes4 interfaceId ) public view override(AccessControl, ERC721M) returns (bool) { return super.supportsInterface(interfaceId); } /** ==================================================================================================================== * MINTING * ===================================================================================================================== */ /** ____________________________________________________________________________________________________________________ * -->MINT * @dev (function) metadropMint Mint tokens. Can only be called from a valid primary market contract * * --------------------------------------------------------------------------------------------------------------------- * @param caller_ The address that has called mint through the primary sale module. * --------------------------------------------------------------------------------------------------------------------- * @param recipient_ The address that will receive new assets. * --------------------------------------------------------------------------------------------------------------------- * @param allowanceAddress_ The address that has an allowance being used in this mint. This will be the same as the * calling address in almost all cases. An example of when they may differ is in a list * mint where the caller is a delegate of another address with an allowance in the list. * The caller is performing the mint, but it is the allowance for the allowance address * that is being checked and decremented in this mint. * --------------------------------------------------------------------------------------------------------------------- * @param quantityToMint_ The quantity of tokens to be minted * --------------------------------------------------------------------------------------------------------------------- * @param unitPrice_ The unit price for each token * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function metadropMint( address caller_, address recipient_, address allowanceAddress_, uint256 quantityToMint_, uint256 unitPrice_ ) external { if (recipient_ == address(0) || recipient_ == BURN_ADDRESS) { revert InvalidRecipient(); } if (mintingComplete) { revert MintingIsClosedForever(); } if (!validPrimaryMarketAddress[msg.sender]) revert InvalidAddress(); if (allocationMethod != TokenAllocationMethod.sequential) { revert InvalidTokenAllocationMethod(); } uint256[] memory tokenIds = _mintSequential(recipient_, quantityToMint_); emit MetadropMint( allowanceAddress_, recipient_, caller_, msg.sender, unitPrice_, tokenIds ); } /** ==================================================================================================================== */ }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (access/AccessControl.sol) pragma solidity ^0.8.0; import "./IAccessControl.sol"; import "../utils/Context.sol"; import "../utils/Strings.sol"; import "../utils/introspection/ERC165.sol"; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. This is a lightweight version that doesn't allow enumerating role * members except through off-chain means by accessing the contract event logs. Some * applications may benefit from on-chain enumerability, for those cases see * {AccessControlEnumerable}. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ``` * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * Roles can be used to represent a set of permissions. To restrict access to a * function call, use {hasRole}: * * ``` * function foo() public { * require(hasRole(MY_ROLE, msg.sender)); * ... * } * ``` * * Roles can be granted and revoked dynamically via the {grantRole} and * {revokeRole} functions. Each role has an associated admin role, and only * accounts that have a role's admin role can call {grantRole} and {revokeRole}. * * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means * that only accounts with this role will be able to grant or revoke other * roles. More complex role relationships can be created by using * {_setRoleAdmin}. * * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to * grant and revoke this role. Extra precautions should be taken to secure * accounts that have been granted it. */ abstract contract AccessControl is Context, IAccessControl, ERC165 { struct RoleData { mapping(address => bool) members; bytes32 adminRole; } mapping(bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Modifier that checks that an account has a specific role. Reverts * with a standardized message including the required role. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ * * _Available since v4.1._ */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual override returns (bool) { return _roles[role].members[account]; } /** * @dev Revert with a standard message if `_msgSender()` is missing `role`. * Overriding this function changes the behavior of the {onlyRole} modifier. * * Format of the revert message is described in {_checkRole}. * * _Available since v4.6._ */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Revert with a standard message if `account` is missing `role`. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert( string( abi.encodePacked( "AccessControl: account ", Strings.toHexString(account), " is missing role ", Strings.toHexString(uint256(role), 32) ) ) ); } } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) { return _roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleGranted} event. */ function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleRevoked} event. */ function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been revoked `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. * * May emit a {RoleRevoked} event. */ function renounceRole(bytes32 role, address account) public virtual override { require(account == _msgSender(), "AccessControl: can only renounce roles for self"); _revokeRole(role, account); } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. Note that unlike {grantRole}, this function doesn't perform any * checks on the calling account. * * May emit a {RoleGranted} event. * * [WARNING] * ==== * This function should only be called from the constructor when setting * up the initial roles for the system. * * Using this function in any other way is effectively circumventing the admin * system imposed by {AccessControl}. * ==== * * NOTE: This function is deprecated in favor of {_grantRole}. */ function _setupRole(bytes32 role, address account) internal virtual { _grantRole(role, account); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { bytes32 previousAdminRole = getRoleAdmin(role); _roles[role].adminRole = adminRole; emit RoleAdminChanged(role, previousAdminRole, adminRole); } /** * @dev Grants `role` to `account`. * * Internal function without access restriction. * * May emit a {RoleGranted} event. */ function _grantRole(bytes32 role, address account) internal virtual { if (!hasRole(role, account)) { _roles[role].members[account] = true; emit RoleGranted(role, account, _msgSender()); } } /** * @dev Revokes `role` from `account`. * * Internal function without access restriction. * * May emit a {RoleRevoked} event. */ function _revokeRole(bytes32 role, address account) internal virtual { if (hasRole(role, account)) { _roles[role].members[account] = false; emit RoleRevoked(role, account, _msgSender()); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControl { /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) external; /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) external; /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. * * _Available since v4.5._ */ interface IERC2981 is IERC165 { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be paid in that same unit of exchange. */ function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ abstract contract Pausable is Context { /** * @dev Emitted when the pause is triggered by `account`. */ event Paused(address account); /** * @dev Emitted when the pause is lifted by `account`. */ event Unpaused(address account); bool private _paused; /** * @dev Initializes the contract in unpaused state. */ constructor() { _paused = false; } /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { _requireNotPaused(); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { _requirePaused(); _; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view virtual returns (bool) { return _paused; } /** * @dev Throws if the contract is paused. */ function _requireNotPaused() internal view virtual { require(!paused(), "Pausable: paused"); } /** * @dev Throws if the contract is not paused. */ function _requirePaused() internal view virtual { require(paused(), "Pausable: not paused"); } /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function _pause() internal virtual whenNotPaused { _paused = true; emit Paused(_msgSender()); } /** * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. */ function _unpause() internal virtual whenPaused { _paused = false; emit Unpaused(_msgSender()); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol) pragma solidity ^0.8.0; import "../../interfaces/IERC2981.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information. * * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first. * * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the * fee is specified in basis points by default. * * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported. * * _Available since v4.5._ */ abstract contract ERC2981 is IERC2981, ERC165 { struct RoyaltyInfo { address receiver; uint96 royaltyFraction; } RoyaltyInfo private _defaultRoyaltyInfo; mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) { return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId); } /** * @inheritdoc IERC2981 */ function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view virtual override returns (address, uint256) { RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId]; if (royalty.receiver == address(0)) { royalty = _defaultRoyaltyInfo; } uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator(); return (royalty.receiver, royaltyAmount); } /** * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an * override. */ function _feeDenominator() internal pure virtual returns (uint96) { return 10000; } /** * @dev Sets the royalty information that all ids in this contract will default to. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: invalid receiver"); _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Removes default royalty information. */ function _deleteDefaultRoyalty() internal virtual { delete _defaultRoyaltyInfo; } /** * @dev Sets the royalty information for a specific token id, overriding the global default. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setTokenRoyalty( uint256 tokenId, address receiver, uint96 feeNumerator ) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: Invalid parameters"); _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Resets royalty information for the token id back to the global default. */ function _resetTokenRoyalty(uint256 tokenId) internal virtual { delete _tokenRoyaltyInfo[tokenId]; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ */ interface IERC1155 is IERC165 { /** * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`. */ event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /** * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all * transfers. */ event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values ); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed account, address indexed operator, bool approved); /** * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI. * * If an {URI} event was emitted for `id`, the standard * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids) external view returns (uint256[] memory); /** * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`, * * Emits an {ApprovalForAll} event. * * Requirements: * * - `operator` cannot be the caller. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns true if `operator` is approved to transfer ``account``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address account, address operator) external view returns (bool); /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. */ interface IERC20Permit { /** * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens, * given ``owner``'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 amount ) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; import "../extensions/draft-IERC20Permit.sol"; import "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20 token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance( IERC20 token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } function safePermit( IERC20Permit token, address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) internal { uint256 nonceBefore = token.nonces(owner); token.permit(owner, spender, value, deadline, v, r, s); uint256 nonceAfter = token.nonces(owner); require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed"); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @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`. * * 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 calldata data ) external; /** * @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 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 ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * 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; /** * @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; /** * @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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @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://diligence.consensys.net/posts/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/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @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, it is bubbled up by this * function (like regular Solidity function calls). * * 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. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @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`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) 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 /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv( uint256 x, uint256 y, uint256 denominator ) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv( uint256 x, uint256 y, uint256 denominator, Rounding rounding ) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10**64) { value /= 10**64; result += 64; } if (value >= 10**32) { value /= 10**32; result += 32; } if (value >= 10**16) { value /= 10**16; result += 16; } if (value >= 10**8) { value /= 10**8; result += 8; } if (value >= 10**4) { value /= 10**4; result += 4; } if (value >= 10**2) { value /= 10**2; result += 2; } if (value >= 10**1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "./math/Math.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } }
// SPDX-License-Identifier: MIT // Metadrop Contracts (v0.0.1) pragma solidity 0.8.19; import "../Global/IConfigStructures.sol"; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; interface IDropFactory is IConfigStructures { /** ==================================================================================================================== * EVENTS * ===================================================================================================================== */ event DefaultMetadropPrimaryShareBasisPointsSet( uint256 defaultPrimaryFeeBasisPoints ); event DefaultMetadropRoyaltyBasisPointsSet( uint256 defaultMetadropRoyaltyBasisPoints ); event PrimaryFeeOverrideByDropSet(string dropId, uint256 percentage); event RoyaltyBasisPointsOverrideByDropSet( string dropId, uint256 royaltyBasisPoints ); event PlatformTreasurySet(address platformTreasury); event TemplateAdded( TemplateStatus status, uint256 templateNumber, uint256 loadedDate, address templateAddress, string templateDescription ); event TemplateTerminated(uint16 templateNumber); event DropApproved( string indexed dropId, address indexed dropOwner, bytes32 dropHash ); event DropDetailsDeleted(string indexed dropId); event DropExpiryInDaysSet(uint32 expiryInDays); event pauseCutOffInDaysSet(uint8 cutOffInDays); event SubmissionFeeETHUpdated(uint256 oldFee, uint256 newFee); event InitialInstanceOwnerSet(address initialInstanceOwner); event DropDeployed( string dropId, address nftInstance, address vestingInstance, PrimarySaleModuleInstance[], address royaltySplitterInstance ); event vrfSubscriptionIdSet(uint64 vrfSubscriptionId_); event vrfKeyHashSet(bytes32 vrfKeyHash); event vrfCallbackGasLimitSet(uint32 vrfCallbackGasLimit); event vrfRequestConfirmationsSet(uint16 vrfRequestConfirmations); event vrfNumWordsSet(uint32 vrfNumWords); event metadropOracleAddressSet(address metadropOracleAddress); event messageValidityInSecondsSet(uint80 messageValidityInSeconds); /** ==================================================================================================================== * ERRORS * ===================================================================================================================== */ error MetadropOnly(); error ValueExceedsMaximum(); error TemplateCannotBeAddressZero(); error ProjectOwnerCannotBeAddressZero(); error PlatformAdminCannotBeAddressZero(); error ReviewAdminCannotBeAddressZero(); error PlatformTreasuryCannotBeAddressZero(); error InitialInstanceOwnerCannotBeAddressZero(); error MetadropOracleCannotBeAddressZero(); error VRFCoordinatorCannotBeAddressZero(); /** ==================================================================================================================== * FUNCTIONS * ===================================================================================================================== */ /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) getPlatformTreasury return the treasury address (provided as explicit method rather than public var) * * --------------------------------------------------------------------------------------------------------------------- * @return platformTreasury_ Treasury address * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function getPlatformTreasury() external view returns (address platformTreasury_); /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) getDropDetails Getter for the drop details held on chain * * --------------------------------------------------------------------------------------------------------------------- * @param dropId_ The drop ID being queries * --------------------------------------------------------------------------------------------------------------------- * @return dropDetails_ The drop details struct for the provided drop Id. * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function getDropDetails( string memory dropId_ ) external view returns (DropApproval memory dropDetails_); /** ==================================================================================================================== * PRIVILEGED ACCESS * ===================================================================================================================== */ /** ____________________________________________________________________________________________________________________ * -->VRF * @dev (function) setVRFSubscriptionId Set the chainlink subscription id.. * * --------------------------------------------------------------------------------------------------------------------- * @param vrfSubscriptionId_ The VRF subscription that this contract will consume chainlink from. * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setVRFSubscriptionId(uint64 vrfSubscriptionId_) external; /** ____________________________________________________________________________________________________________________ * -->VRF * @dev (function) setVRFKeyHash Set the chainlink keyhash (gas lane). * * --------------------------------------------------------------------------------------------------------------------- * @param vrfKeyHash_ The desired VRF keyhash * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setVRFKeyHash(bytes32 vrfKeyHash_) external; /** ____________________________________________________________________________________________________________________ * -->VRF * @dev (function) setVRFCallbackGasLimit Set the chainlink callback gas limit * * --------------------------------------------------------------------------------------------------------------------- * @param vrfCallbackGasLimit_ Callback gas limit * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setVRFCallbackGasLimit(uint32 vrfCallbackGasLimit_) external; /** ____________________________________________________________________________________________________________________ * -->VRF * @dev (function) setVRFRequestConfirmations Set the chainlink number of confirmations required * * --------------------------------------------------------------------------------------------------------------------- * @param vrfRequestConfirmations_ Required number of confirmations * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setVRFRequestConfirmations(uint16 vrfRequestConfirmations_) external; /** ____________________________________________________________________________________________________________________ * -->VRF * @dev (function) setVRFNumWords Set the chainlink number of words required * * --------------------------------------------------------------------------------------------------------------------- * @param vrfNumWords_ Required number of confirmations * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setVRFNumWords(uint32 vrfNumWords_) external; /** ____________________________________________________________________________________________________________________ * -->ORACLE * @dev (function) setMetadropOracleAddress Set the metadrop trusted oracle address * * --------------------------------------------------------------------------------------------------------------------- * @param metadropOracleAddress_ Trusted metadrop oracle address * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setMetadropOracleAddress(address metadropOracleAddress_) external; /** ____________________________________________________________________________________________________________________ * -->ORACLE * @dev (function) setMessageValidityInSeconds Set the validity period of signed messages * * --------------------------------------------------------------------------------------------------------------------- * @param messageValidityInSeconds_ Validity period in seconds for messages signed by the trusted oracle * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setMessageValidityInSeconds( uint80 messageValidityInSeconds_ ) external; /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) withdrawETH A withdraw function to allow ETH to be withdrawn to the treasury * * --------------------------------------------------------------------------------------------------------------------- * @param amount_ The amount to withdraw * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function withdrawETH(uint256 amount_) external; /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) withdrawERC20 A withdraw function to allow ERC20s to be withdrawn to the treasury * * --------------------------------------------------------------------------------------------------------------------- * @param token_ The contract address of the token being withdrawn * --------------------------------------------------------------------------------------------------------------------- * @param amount_ The amount to withdraw * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function withdrawERC20(IERC20 token_, uint256 amount_) external; /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) getDefaultMetadropPrimaryShareBasisPoints Getter for the default platform primary fee basis points * * --------------------------------------------------------------------------------------------------------------------- * @return defaultMetadropPrimaryShareBasisPoints_ The metadrop primary share in basis points * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function getDefaultMetadropPrimaryShareBasisPoints() external view returns (uint256 defaultMetadropPrimaryShareBasisPoints_); /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) getMetadropRoyaltyBasisPoints Getter for the metadrop royalty share in basis points * * --------------------------------------------------------------------------------------------------------------------- * @return metadropRoyaltyBasisPoints_ The metadrop royalty share in basis points * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function getMetadropRoyaltyBasisPoints() external view returns (uint256 metadropRoyaltyBasisPoints_); /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) getPrimaryFeeOverrideByDrop Getter for any drop specific primary fee override * * --------------------------------------------------------------------------------------------------------------------- * @param dropId_ The drop Id being queried * --------------------------------------------------------------------------------------------------------------------- * @return isSet_ If this override is set * --------------------------------------------------------------------------------------------------------------------- * @return primaryFeeOverrideByDrop_ The primary fee override for the drop (if any) * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function getPrimaryFeeOverrideByDrop( string memory dropId_ ) external view returns (bool isSet_, uint256 primaryFeeOverrideByDrop_); /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) getMetadropRoyaltyOverrideByDrop Getter for any drop specific royalty basis points override * * --------------------------------------------------------------------------------------------------------------------- * @param dropId_ The drop Id being queried * --------------------------------------------------------------------------------------------------------------------- * @return isSet_ If this override is set * --------------------------------------------------------------------------------------------------------------------- * @return metadropRoyaltyOverrideByDrop_ Royalty basis points override for the drop (if any) * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function getMetadropRoyaltyOverrideByDrop( string memory dropId_ ) external view returns (bool isSet_, uint256 metadropRoyaltyOverrideByDrop_); /** ____________________________________________________________________________________________________________________ * -->PAUSABLE * @dev (function) getPauseCutOffInDays Getter for the default pause cutoff period * * --------------------------------------------------------------------------------------------------------------------- * @return pauseCutOffInDays_ Default pause cutoff in days * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function getPauseCutOffInDays() external view returns (uint8 pauseCutOffInDays_); /** ____________________________________________________________________________________________________________________ * -->PAUSABLE * @dev (function) setpauseCutOffInDays Set the number of days from the start date that a contract can be paused for * * --------------------------------------------------------------------------------------------------------------------- * @param pauseCutOffInDays_ Default pause cutoff in days * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setpauseCutOffInDays(uint8 pauseCutOffInDays_) external; /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) setDropFeeETH Set drop fee (if any) * * --------------------------------------------------------------------------------------------------------------------- * @param fee_ New drop fee * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setDropFeeETH(uint256 fee_) external; /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) setPlatformTreasury Set the platform treasury address * * Set the address that platform fees will be paid to / can be withdrawn to. * Note that this is restricted to the highest authority level, the default * admin. Platform admins can trigger a withdrawal to the treasury, but only * the default admin can set or alter the treasury address. It is recommended * that the default admin is highly secured and restrited e.g. a multi-sig. * * --------------------------------------------------------------------------------------------------------------------- * @param platformTreasury_ New treasury address * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setPlatformTreasury(address platformTreasury_) external; /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) setinitialInstanceOwner Set the owner on all created instances * * The 'initial instance owner' is the address that will be set as the Owner * on all cloned instances of contracts created in this factory. Note that we the * contract instances are clones we do not call a constructor when an instance * is created, rather we set the owner on the call to initialise. * * --------------------------------------------------------------------------------------------------------------------- * @param initialInstanceOwner_ New owner address * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setinitialInstanceOwner(address initialInstanceOwner_) external; /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) setDefaultMetadropPrimaryShareBasisPoints Setter for the metadrop primary basis points fee * * --------------------------------------------------------------------------------------------------------------------- * @param defaultMetadropPrimaryShareBasisPoints_ New default meradrop primary share * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setDefaultMetadropPrimaryShareBasisPoints( uint32 defaultMetadropPrimaryShareBasisPoints_ ) external; /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) setMetadropRoyaltyBasisPoints Setter for the metadrop royalty percentate in * basis points i.e. 100 = 1% * * --------------------------------------------------------------------------------------------------------------------- * @param defaultMetadropRoyaltyBasisPoints_ New default royalty basis points * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setMetadropRoyaltyBasisPoints( uint32 defaultMetadropRoyaltyBasisPoints_ ) external; /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) setPrimaryFeeOverrideByDrop Setter for the metadrop primary percentage fee, in basis points * * --------------------------------------------------------------------------------------------------------------------- * @param dropId_ The drop for the override * --------------------------------------------------------------------------------------------------------------------- * @param basisPoints_ The basis points override * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setPrimaryFeeOverrideByDrop( string memory dropId_, uint256 basisPoints_ ) external; /** ____________________________________________________________________________________________________________________ * -->FINANCE * @dev (function) setMetadropRoyaltyOverrideByDrop Setter to override royalty basis points * * --------------------------------------------------------------------------------------------------------------------- * @param dropId_ The drop for the override * --------------------------------------------------------------------------------------------------------------------- * @param royaltyBasisPoints_ Royalty basis points verride * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setMetadropRoyaltyOverrideByDrop( string memory dropId_, uint256 royaltyBasisPoints_ ) external; /** ____________________________________________________________________________________________________________________ * -->DROPS * @dev (function) setDropExpiryInDays Setter for the number of days that must pass since a drop was last changed * before it can be removed from storage * * --------------------------------------------------------------------------------------------------------------------- * @param dropExpiryInDays_ The number of days that must pass for a submitted drop to be considered expired * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setDropExpiryInDays(uint32 dropExpiryInDays_) external; /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (function) grantPlatformAdmin Allows the super user Default Admin to add an address to the platform admin group * * --------------------------------------------------------------------------------------------------------------------- * @param newPlatformAdmin_ The address of the new platform admin * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function grantPlatformAdmin(address newPlatformAdmin_) external; /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (function) grantReviewAdmin Allows the super user Default Admin to add an address to the review admin group. * * --------------------------------------------------------------------------------------------------------------------- * @param newReviewAdmin_ The address of the new review admin * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function grantReviewAdmin(address newReviewAdmin_) external; /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (function) revokePlatformAdmin Allows the super user Default Admin to revoke from the platform admin group * * --------------------------------------------------------------------------------------------------------------------- * @param oldPlatformAdmin_ The address of the old platform admin * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function revokePlatformAdmin(address oldPlatformAdmin_) external; /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (function) revokeReviewAdmin Allows the super user Default Admin to revoke an address to the review admin group * * --------------------------------------------------------------------------------------------------------------------- * @param oldReviewAdmin_ The address of the old review admin * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function revokeReviewAdmin(address oldReviewAdmin_) external; /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (function) transferDefaultAdmin Allows the super user Default Admin to transfer this right to another address * * --------------------------------------------------------------------------------------------------------------------- * @param newDefaultAdmin_ The address of the new default admin * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function transferDefaultAdmin(address newDefaultAdmin_) external; /** ==================================================================================================================== * VRF SERVER * ===================================================================================================================== */ /** ____________________________________________________________________________________________________________________ * -->VRF * @dev (function) requestVRFRandomness Get the metadata start position for use on reveal of the calling collection * _____________________________________________________________________________________________________________________ */ function requestVRFRandomness() external; /** ==================================================================================================================== * TEMPLATES * ===================================================================================================================== */ /** ____________________________________________________________________________________________________________________ * -->TEMPLATES * @dev (function) addTemplate Add a contract to the template library * * --------------------------------------------------------------------------------------------------------------------- * @param contractAddress_ The address of the deployed contract that will be a template * --------------------------------------------------------------------------------------------------------------------- * @param templateDescription_ The description of the template * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function addTemplate( address payable contractAddress_, string memory templateDescription_ ) external; /** ____________________________________________________________________________________________________________________ * -->TEMPLATES * @dev (function) terminateTemplate Mark a template as terminated * * --------------------------------------------------------------------------------------------------------------------- * @param templateNumber_ The number of the template to be marked as terminated * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function terminateTemplate(uint16 templateNumber_) external; /** ==================================================================================================================== * DROP CREATION * ===================================================================================================================== */ /** ____________________________________________________________________________________________________________________ * -->DROPS * @dev (function) removeExpiredDropDetails A review admin user can remove details for a drop that has expired. * * --------------------------------------------------------------------------------------------------------------------- * @param dropId_ The drop Id for which details are to be removed * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function removeExpiredDropDetails(string memory dropId_) external; /** ____________________________________________________________________________________________________________________ * -->DROPS * @dev (function) approveDrop A review admin user can approve the drop. * * --------------------------------------------------------------------------------------------------------------------- * @param dropId_ The drop Id being approved * --------------------------------------------------------------------------------------------------------------------- * @param projectOwner_ Address of the project owner * --------------------------------------------------------------------------------------------------------------------- * @param dropConfigHash_ The config hash for this drop * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function approveDrop( string memory dropId_, address projectOwner_, bytes32 dropConfigHash_ ) external; /** ____________________________________________________________________________________________________________________ * -->DROPS * @dev (function) createDrop Create a drop using the stored and approved configuration if called by the address * that the user has designated as project admin * * --------------------------------------------------------------------------------------------------------------------- * @param dropId_ The drop Id being approved * --------------------------------------------------------------------------------------------------------------------- * @param vestingModule_ Struct containing the relevant config for the vesting module * --------------------------------------------------------------------------------------------------------------------- * @param nftModule_ Struct containing the relevant config for the NFT module * --------------------------------------------------------------------------------------------------------------------- * @param primarySaleModulesConfig_ Array of structs containing the config details for all primary sale modules * associated with this drop (can be 1 to n) * --------------------------------------------------------------------------------------------------------------------- * @param royaltyPaymentSplitterModule_ Struct containing the relevant config for the royalty splitter module * --------------------------------------------------------------------------------------------------------------------- * @param salesPageHash_ A hash of sale page data * --------------------------------------------------------------------------------------------------------------------- * @param customNftAddress_ If this drop uses a custom NFT this will hold that contract's address * --------------------------------------------------------------------------------------------------------------------- * @param collectionURIs_ An array of collection URIs (pre-reveal, ipfs and arweave) * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function createDrop( string memory dropId_, VestingModuleConfig memory vestingModule_, NFTModuleConfig memory nftModule_, PrimarySaleModuleConfig[] memory primarySaleModulesConfig_, RoyaltySplitterModuleConfig memory royaltyPaymentSplitterModule_, bytes32 salesPageHash_, address customNftAddress_, string[3] memory collectionURIs_ ) external payable; /** ____________________________________________________________________________________________________________________ * -->DROPS * @dev (function) configHashMatches Check the passed config against the stored config hash * * --------------------------------------------------------------------------------------------------------------------- * @param dropId_ The drop Id being approved * --------------------------------------------------------------------------------------------------------------------- * @param vestingModule_ Struct containing the relevant config for the vesting module * --------------------------------------------------------------------------------------------------------------------- * @param nftModule_ Struct containing the relevant config for the NFT module * --------------------------------------------------------------------------------------------------------------------- * @param primarySaleModulesConfig_ Array of structs containing the config details for all primary sale modules * associated with this drop (can be 1 to n) * --------------------------------------------------------------------------------------------------------------------- * @param royaltyPaymentSplitterModule_ Struct containing the relevant config for the royalty splitter module * --------------------------------------------------------------------------------------------------------------------- * @param salesPageHash_ A hash of sale page data * --------------------------------------------------------------------------------------------------------------------- * @param customNftAddress_ If this drop uses a custom NFT this will hold that contract's address * --------------------------------------------------------------------------------------------------------------------- * @return matches_ Whether the hash matches (true) or not (false) * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function configHashMatches( string memory dropId_, VestingModuleConfig memory vestingModule_, NFTModuleConfig memory nftModule_, PrimarySaleModuleConfig[] memory primarySaleModulesConfig_, RoyaltySplitterModuleConfig memory royaltyPaymentSplitterModule_, bytes32 salesPageHash_, address customNftAddress_ ) external view returns (bool matches_); /** ____________________________________________________________________________________________________________________ * -->DROPS * @dev (function) createConfigHash Create the config hash * * --------------------------------------------------------------------------------------------------------------------- * @param dropId_ The drop Id being approved * --------------------------------------------------------------------------------------------------------------------- * @param vestingModule_ Struct containing the relevant config for the vesting module * --------------------------------------------------------------------------------------------------------------------- * @param nftModule_ Struct containing the relevant config for the NFT module * --------------------------------------------------------------------------------------------------------------------- * @param primarySaleModulesConfig_ Array of structs containing the config details for all primary sale modules * associated with this drop (can be 1 to n) * --------------------------------------------------------------------------------------------------------------------- * @param royaltyPaymentSplitterModule_ Struct containing the relevant config for the royalty splitter module * --------------------------------------------------------------------------------------------------------------------- * @param salesPageHash_ A hash of sale page data * --------------------------------------------------------------------------------------------------------------------- * @param customNftAddress_ If this drop uses a custom NFT this will hold that contract's address * --------------------------------------------------------------------------------------------------------------------- * @return configHash_ The bytes32 config hash * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function createConfigHash( string memory dropId_, VestingModuleConfig memory vestingModule_, NFTModuleConfig memory nftModule_, PrimarySaleModuleConfig[] memory primarySaleModulesConfig_, RoyaltySplitterModuleConfig memory royaltyPaymentSplitterModule_, bytes32 salesPageHash_, address customNftAddress_ ) external pure returns (bytes32 configHash_); }
// SPDX-License-Identifier: MIT // Metadrop Contracts (v0.0.1) /** * * @title AuthorityModel.sol. Library for global authority components * * @author metadrop https://metadrop.com/ * */ pragma solidity 0.8.19; /** * * @dev Inheritance details: * AccessControl OZ access control implementation - used for authority control * */ import "@openzeppelin/contracts/access/AccessControl.sol"; contract AuthorityModel is AccessControl { // Platform admin: The role for platform admins. Platform admins can be added. These addresses have privileged // access to maintain configuration like the platform fee. bytes32 public constant PLATFORM_ADMIN = keccak256("PLATFORM_ADMIN"); // Review admin: access to perform reviews of drops, in this case the authority to maintain the drop status parameter, and // set it from review to editable (when sending back to the project owner), or from review to approved (when) // the drop is ready to go). bytes32 public constant REVIEW_ADMIN = keccak256("REVIEW_ADMIN"); // Project owner: This is the role for the project itself, i.e. the team that own this drop. bytes32 internal constant PROJECT_OWNER = keccak256("PROJECT_OWNER"); // Address for the factory: address public factory; /** ==================================================================================================================== * ERRORS * ===================================================================================================================== */ error CallerIsNotDefaultAdmin(address caller); error CallerIsNotPlatformAdmin(address caller); error CallerIsNotReviewAdmin(address caller); error CallerIsNotPlatformAdminOrProjectOwner(address caller); error CallerIsNotPlatformAdminOrFactory(address caller); error CallerIsNotProjectOwner(address caller); /** ==================================================================================================================== * MODIFIERS * ===================================================================================================================== */ /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (modifier) onlyDefaultAdmin. The associated action can only be taken by an address with the * default admin role. * * _____________________________________________________________________________________________________________________ */ modifier onlyDefaultAdmin() { if (!hasRole(DEFAULT_ADMIN_ROLE, msg.sender)) revert CallerIsNotDefaultAdmin(msg.sender); _; } /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (modifier) onlyPlatformAdmin. The associated action can only be taken by an address with the * platform admin role. * * _____________________________________________________________________________________________________________________ */ modifier onlyPlatformAdmin() { if (!hasRole(PLATFORM_ADMIN, msg.sender)) revert CallerIsNotPlatformAdmin(msg.sender); _; } /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (modifier) onlyReviewAdmin. The associated action can only be taken by an address with the * review admin role. * * _____________________________________________________________________________________________________________________ */ modifier onlyReviewAdmin() { if (!hasRole(REVIEW_ADMIN, msg.sender)) revert CallerIsNotReviewAdmin(msg.sender); _; } /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (modifier) onlyPlatformAdminOrProjectOwner. The associated action can only be taken by an address with the * platform admin role or project owner role * * _____________________________________________________________________________________________________________________ */ modifier onlyPlatformAdminOrProjectOwner() { if ( !hasRole(PLATFORM_ADMIN, msg.sender) && !hasRole(PROJECT_OWNER, msg.sender) ) revert CallerIsNotPlatformAdminOrProjectOwner(msg.sender); _; } /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (modifier) onlyProjectOwner. The associated action can only be taken by an address with the * project owner role. * * _____________________________________________________________________________________________________________________ */ modifier onlyProjectOwner() { if (!hasRole(PROJECT_OWNER, msg.sender)) revert CallerIsNotProjectOwner(msg.sender); _; } /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (modifier) onlyFactoryOrPlatformAdmin. The associated action can only be taken by an address with the * platform admin role or the factory. * * _____________________________________________________________________________________________________________________ */ modifier onlyFactoryOrPlatformAdmin() { if (msg.sender != factory && !hasRole(PLATFORM_ADMIN, msg.sender)) revert CallerIsNotPlatformAdminOrFactory(msg.sender); _; } }
// SPDX-License-Identifier: MIT // Metadrop Contracts (v0.0.1) /** * * @title IConfigStructures.sol. Interface for common config structures used accross the platform * * @author metadrop https://metadrop.com/ * */ pragma solidity 0.8.19; interface IConfigStructures { enum DropStatus { approved, deployed, cancelled } enum TemplateStatus { live, terminated } enum TokenAllocationMethod { sequential, random } // The current status of the mint: // - notEnabled: This type of mint is not part of this drop // - notYetOpen: This type of mint is part of the drop, but it hasn't started yet // - open: it's ready for ya, get in there. // - finished: been and gone. // - unknown: theoretically impossible. enum MintStatus { notEnabled, notYetOpen, open, finished, unknown } struct SubListConfig { uint256 start; uint256 end; uint256 phaseMaxSupply; } struct PrimarySaleModuleInstance { address instanceAddress; string instanceDescription; } struct NFTModuleConfig { uint256 templateId; bytes configData; } struct PrimarySaleModuleConfig { uint256 templateId; bytes configData; } struct VestingModuleConfig { uint256 templateId; bytes configData; } struct RoyaltySplitterModuleConfig { uint256 templateId; bytes configData; } struct InLifeModuleConfig { uint256 templateId; bytes configData; } struct InLifeModules { InLifeModuleConfig[] modules; } struct NFTConfig { uint256 supply; uint256 mintingMethod; string name; string symbol; bytes32 positionProof; } struct DropApproval { DropStatus status; uint32 lastChangedDate; address dropOwnerAddress; bytes32 configHash; } struct Template { TemplateStatus status; uint16 templateNumber; uint32 loadedDate; address payable templateAddress; string templateDescription; } struct NumericOverride { bool isSet; uint248 overrideValue; } }
// SPDX-License-Identifier: MIT // Metadrop Contracts (v0.0.1) /** * * @title ERC721M.sol. Metadrop implementation of ERC721 * * @author metadrop https://metadrop.com/ * * @notice Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. * * Included features: * - LayerZero ONFT * - gas efficient batch minting * - clonable */ pragma solidity 0.8.19; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; import "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol"; import "@openzeppelin/contracts/utils/Address.sol"; import "@openzeppelin/contracts/utils/Context.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/token/common/ERC2981.sol"; import "@openzeppelin/contracts/utils/introspection/ERC165.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol"; import "@openzeppelin/contracts/access/AccessControl.sol"; import "../ThirdParty/EPS/EPSDelegationRegister/IEPSDelegationRegister.sol"; import "../ThirdParty/LayerZero/onft/IONFT721.sol"; import "../ThirdParty/LayerZero/onft/ONFT721Core.sol"; contract ERC721M is Context, ERC165, IERC721, IERC721Metadata, ONFT721Core, IONFT721, ERC2981, AccessControl { using Address for address; using Strings for uint256; address internal constant BURN_ADDRESS = 0x000000000000000000000000000000000000dEaD; // Boolean to indicate if this contract is a layerZero base contract bool private immutable layerZeroBase; // EPS Register IEPSDelegationRegister internal immutable epsRegister; // Token name string private _name; // Token symbol string private _symbol; uint256 internal remainingSupply; uint256 public maxSupply; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; error CallerIsNotOwnerOrApproved(); error SendFromIncorrectOwner(); error InvalidToken(); error QuantityExceedsRemainingSupply(); /** ==================================================================================================================== * CONSTRUCTOR AND INTIIALISE * ===================================================================================================================== */ /** ____________________________________________________________________________________________________________________ * -->CONSTRUCTOR * @dev constructor The constructor is not called when the contract is cloned. In this * constructor we just setup default values and set the template contract to initialised. * * --------------------------------------------------------------------------------------------------------------------- * @param epsRegister_ The EPS register address (0x888888888888660F286A7C06cfa3407d09af44B2 on most chains) * --------------------------------------------------------------------------------------------------------------------- * @param lzEndpoint_ The LZ endpoint for this chain * (see https://layerzero.gitbook.io/docs/technical-reference/mainnet/supported-chain-ids) * --------------------------------------------------------------------------------------------------------------------- * @param layerZeroBase_ If this contract is the base layerZero contract. For this ONFT implementation the base * contract is where intial minting can occue. NFTs can then be sent to any supporting chain * but cannot be 'freshly' minted on other chains and sent to the base contract. * _____________________________________________________________________________________________________________________ */ constructor( address epsRegister_, address lzEndpoint_, bool layerZeroBase_ ) ONFT721Core(lzEndpoint_) { epsRegister = IEPSDelegationRegister(epsRegister_); layerZeroBase = layerZeroBase_; } /** ____________________________________________________________________________________________________________________ * -->INITIALISE * @dev (function) initialiseNFT Load configuration into storage for a new instance. * * --------------------------------------------------------------------------------------------------------------------- * @param name_ The name of the NFT * --------------------------------------------------------------------------------------------------------------------- * @param symbol_ The symbol of the NFT * --------------------------------------------------------------------------------------------------------------------- * @param maxSupply_ The maximum supply of this collection * --------------------------------------------------------------------------------------------------------------------- * @param owner_ The owner for this contract. Will be used to set the owner in ERC721M and also the * platform admin AccessControl role * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function _initialiseERC721M( string memory name_, string memory symbol_, uint256 maxSupply_, address owner_ ) internal { _name = name_; _symbol = symbol_; maxSupply = maxSupply_; remainingSupply = maxSupply_; _transferOwnership(owner_); } /** ____________________________________________________________________________________________________________________ * -->LAYERZERO * @dev (function) _debitFrom debit an item from a holder on layerzero call. While off-chain the NFT is custodied in * this contract * * --------------------------------------------------------------------------------------------------------------------- * @param from_ The current owner of the asset * --------------------------------------------------------------------------------------------------------------------- * @param tokenId_ The tokenId being sent via LayerZero * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function _debitFrom( address from_, uint16, bytes memory, uint256 tokenId_ ) internal virtual override { if (!(_isApprovedOrOwner(_msgSender(), tokenId_))) { revert CallerIsNotOwnerOrApproved(); } if (!(ownerOf(tokenId_) == from_)) { revert SendFromIncorrectOwner(); } _transfer(from_, address(this), tokenId_); } /** ____________________________________________________________________________________________________________________ * -->LAYERZERO * @dev (function) _creditTo credit an item to a holder on layerzero call. While off-chain the NFT is custodied in * this contract, this transfers it back to the holder * * --------------------------------------------------------------------------------------------------------------------- * @param toAddress_ The recipient of the asset * --------------------------------------------------------------------------------------------------------------------- * @param tokenId_ The tokenId that has been sent via LayerZero * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function _creditTo( uint16, address toAddress_, uint256 tokenId_ ) internal virtual override { if (!(_exists(tokenId_) && ownerOf(tokenId_) == address(this))) { revert InvalidToken(); } // Different behaviour depending on whether this has been deployed on // the base chain or a satellite chain: if (layerZeroBase) { // Base chain. For us to be crediting the owner this token MUST be // owned by the contract, as they can only be minted on the base chain if (!(_exists(tokenId_) && ownerOf(tokenId_) == address(this))) { revert InvalidToken(); } _transfer(address(this), toAddress_, tokenId_); } else { // Satellite chain. We can be crediting the user as a result of this reaching // this chain for the first time (mint) OR from a token that has been minted // here previously and is currently custodied by the contract. if (_exists(tokenId_) && ownerOf(tokenId_) != address(this)) { revert InvalidToken(); } if (!_exists(tokenId_)) { _safeMint(toAddress_, tokenId_); } else { _transfer(address(this), toAddress_, tokenId_); } } } /** ____________________________________________________________________________________________________________________ * -->MINT * @dev (function) _mintIdWithoutBalanceUpdate Mint an item without updating a holder's balance, so that this can * be performed just once per batch. * * --------------------------------------------------------------------------------------------------------------------- * @param to_ The recipient of the asset * --------------------------------------------------------------------------------------------------------------------- * @param tokenId_ The tokenId that has been sent via LayerZero * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function _mintIdWithoutBalanceUpdate(address to_, uint256 tokenId_) private { _beforeTokenTransfer(address(0), to_, tokenId_, 1); _owners[tokenId_] = to_; emit Transfer(address(0), to_, tokenId_); _afterTokenTransfer(address(0), to_, tokenId_, 1); } /** ____________________________________________________________________________________________________________________ * -->MINT * @dev (function) _mintSequential Mint NFTs in order (0,1,2,3 etc) * * --------------------------------------------------------------------------------------------------------------------- * @param to_ The recipient of the asset * --------------------------------------------------------------------------------------------------------------------- * @param quantity_ The number of tokens to mint * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function _mintSequential( address to_, uint256 quantity_ ) internal virtual returns (uint256[] memory mintedTokenIds_) { if (quantity_ > remainingSupply) { revert QuantityExceedsRemainingSupply(); } mintedTokenIds_ = new uint256[](quantity_); uint256 tokenId = maxSupply - remainingSupply; for (uint256 i = 0; i < quantity_; ) { _mintIdWithoutBalanceUpdate(to_, tokenId + i); mintedTokenIds_[i] = tokenId + i; unchecked { i++; } } remainingSupply = remainingSupply - quantity_; _balances[to_] += quantity_; return (mintedTokenIds_); } /** ____________________________________________________________________________________________________________________ * * @dev (function) totalSupply Returns total supply (minted - burned) * * --------------------------------------------------------------------------------------------------------------------- * @return totalSupply_ The total supply of this collection (minted - burned) * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function totalSupply() external view virtual returns (uint256 totalSupply_) { // } /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) totalUnminted Returns the remaining unminted supply * * --------------------------------------------------------------------------------------------------------------------- * @return totalUnminted_ The total unminted supply of this collection * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function totalUnminted() external view virtual returns (uint256 totalUnminted_) { // } /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) totalMinted Returns the total number of tokens ever minted * * --------------------------------------------------------------------------------------------------------------------- * @return totalMinted_ The total minted supply of this collection * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function totalMinted() external view virtual returns (uint256 totalMinted_) { // } /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) totalBurned Returns the count of tokens sent to the burn address * * --------------------------------------------------------------------------------------------------------------------- * @return totalBurned_ The total burned supply of this collection * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function totalBurned() external view virtual returns (uint256 totalBurned_) { // } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface( bytes4 interfaceId ) public view virtual override(ERC165, IERC165, ERC2981, ONFT721Core, AccessControl) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf( address owner ) public view virtual override returns (uint256) { require(owner != address(0), "Non-owner"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf( uint256 tokenId ) public view virtual override returns (address) { address owner = _ownerOf(tokenId); require(owner != address(0), "Invalid token"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI( uint256 tokenId ) public view virtual override returns (string memory) { _requireMinted(tokenId); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @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, can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721M.ownerOf(tokenId); require(to != owner, "Approve to owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "Unauthorised" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved( uint256 tokenId ) public view virtual override returns (address) { _requireMinted(tokenId); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll( address operator, bool approved ) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll( address owner, address operator ) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "Unauthorised"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "Unauthorised"); _safeTransfer(from, to, tokenId, data); } /** * @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. * * `data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, data), "Non-receiver"); } /** * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist */ function _ownerOf(uint256 tokenId) internal view virtual returns (address) { return _owners[tokenId]; } /** * @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 (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _ownerOf(tokenId) != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner( address spender, uint256 tokenId ) internal view virtual returns (bool) { address owner = ERC721M.ownerOf(tokenId); return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, data), "Non-receiver" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "0 address"); require(!_exists(tokenId), "Already minted"); _beforeTokenTransfer(address(0), to, tokenId, 1); // Check that tokenId was not minted by `_beforeTokenTransfer` hook require(!_exists(tokenId), "Already minted"); unchecked { // Will not overflow unless all 2**256 token ids are minted to the same owner. // Given that tokens are minted one by one, it is impossible in practice that // this ever happens. Might change if we allow batch minting. // The ERC fails to describe this case. _balances[to] += 1; } _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId, 1); } /** * @dev Burns `tokenId`. See {ERC721-_burn}. * * Requirements: * * - The caller must own `tokenId` or be an approved operator. */ function burn(uint256 tokenId) public virtual { require(_isApprovedOrOwner(_msgSender(), tokenId), "Unauthorised"); _burn(tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * This is an internal function that does not check if the sender is authorized to operate on the token. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721M.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId, 1); // Update ownership in case tokenId was transferred by `_beforeTokenTransfer` hook owner = ERC721M.ownerOf(tokenId); // Clear approvals delete _tokenApprovals[tokenId]; unchecked { // Cannot overflow, as that would require more tokens to be burned/transferred // out than the owner initially received through minting and transferring in. _balances[owner] -= 1; _owners[tokenId] = BURN_ADDRESS; _balances[BURN_ADDRESS] += 1; } delete _owners[tokenId]; emit Transfer(owner, BURN_ADDRESS, tokenId); _afterTokenTransfer(owner, BURN_ADDRESS, tokenId, 1); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721M.ownerOf(tokenId) == from, "Non-owner"); require(to != address(0), "0 address"); _beforeTokenTransfer(from, to, tokenId, 1); // Check that tokenId was not transferred by `_beforeTokenTransfer` hook require(ERC721M.ownerOf(tokenId) == from, "Non-owner"); // Clear approvals from the previous owner delete _tokenApprovals[tokenId]; unchecked { // `_balances[from]` cannot overflow for the same reason as described in `_burn`: // `from`'s balance is the number of token held, which is at least one before the current // transfer. // `_balances[to]` could overflow in the conditions described in `_mint`. That would require // all 2**256 token ids to be minted, which in practice is impossible. _balances[from] -= 1; _balances[to] += 1; } _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId, 1); } /** * @dev Approve `to` to operate on `tokenId` * * Emits an {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721M.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits an {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "Approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Reverts if the `tokenId` has not been minted yet. */ function _requireMinted(uint256 tokenId) internal view virtual { require(_exists(tokenId), "Invalid token"); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`. * - When `from` is zero, the tokens will be minted for `to`. * - When `to` is zero, ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * - `batchSize` is non-zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 /* firstTokenId */, uint256 batchSize ) internal virtual { if (batchSize > 1) { if (from != address(0)) { _balances[from] -= batchSize; } if (to != address(0)) { _balances[to] += batchSize; } } } /** * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`. * - When `from` is zero, the tokens were minted for `to`. * - When `to` is zero, ``from``'s tokens were burned. * - `from` and `to` are never both zero. * - `batchSize` is non-zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 firstTokenId, uint256 batchSize ) internal virtual {} }
// SPDX-License-Identifier: MIT // Metadrop Contracts (v0.0.1) /** * * @title INFTByMetadrop.sol. Interface for metadrop NFT standard * * @author metadrop https://metadrop.com/ * */ pragma solidity 0.8.19; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "../Global/IConfigStructures.sol"; interface INFTByMetadrop is IConfigStructures { /** ==================================================================================================================== * EVENTS * ===================================================================================================================== */ event Revealed(); event RandomNumberReceived(uint256 indexed requestId, uint256 randomNumber); event VRFPositionSet(uint256 VRFPosition); event PositionProofSet(bytes32 positionProof); event MetadropMint( address indexed allowanceAddress, address indexed recipientAddress, address callerAddress, address primarySaleModuleAddress, uint256 unitPrice, uint256[] tokenIds ); /** ==================================================================================================================== * ERRORS * ===================================================================================================================== */ error TransferFailed(); error AlreadyInitialised(); error MetadataIsLocked(); error InvalidTokenAllocationMethod(); error InvalidAddress(); error IncorrectConfirmationValue(); error MintingIsClosedForever(); error VRFAlreadySet(); error PositionProofAlreadySet(); error MetadropFactoryOnly(); error InvalidRecipient(); error PauseCutOffHasPassed(); error AdditionalAddressesCannotBeAddedToRolesUseTransferToTransferRoleToAnotherAddress(); /** ==================================================================================================================== * FUNCTIONS * ===================================================================================================================== */ /** ____________________________________________________________________________________________________________________ * -->INITIALISE * @dev (function) initialiseNFT Load configuration into storage for a new instance. * * --------------------------------------------------------------------------------------------------------------------- * @param owner_ The owner for this contract. Will be used to set the owner in ERC721M and also the * platform admin AccessControl role * --------------------------------------------------------------------------------------------------------------------- * @param projectOwner_ The project owner for this drop. Sets the project admin AccessControl role * --------------------------------------------------------------------------------------------------------------------- * @param primarySaleModules_ The primary sale modules for this drop. These are the contract addresses that are * authorised to call mint on this contract. * --------------------------------------------------------------------------------------------------------------------- * @param nftModule_ The drop specific configuration for this NFT. This is decoded and used to set * configuration for this metadrop drop * --------------------------------------------------------------------------------------------------------------------- * @param royaltyPaymentSplitter_ The address of the deployed royalty payment splitted for this drop * --------------------------------------------------------------------------------------------------------------------- * @param totalRoyaltyPercentage_ The total royalty percentage (project + metadrop) for this drop * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function initialiseNFT( address owner_, address projectOwner_, PrimarySaleModuleInstance[] calldata primarySaleModules_, NFTModuleConfig calldata nftModule_, address royaltyPaymentSplitter_, uint96 totalRoyaltyPercentage_, string[3] calldata collectionURIs_, uint8 pauseCutOffInDays_ ) external; /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) metadropCustom Returns if this contract is a custom NFT (true) or is a standard metadrop * ERC721M (false) * * --------------------------------------------------------------------------------------------------------------------- * @return isMetadropCustom_ The total minted supply of this collection * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function metadropCustom() external pure returns (bool isMetadropCustom_); /** ____________________________________________________________________________________________________________________ * * @dev (function) totalSupply Returns total supply (minted - burned) * * --------------------------------------------------------------------------------------------------------------------- * @return totalSupply_ The total supply of this collection (minted - burned) * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function totalSupply() external view returns (uint256 totalSupply_); /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) totalUnminted Returns the remaining unminted supply * * --------------------------------------------------------------------------------------------------------------------- * @return totalUnminted_ The total unminted supply of this collection * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function totalUnminted() external view returns (uint256 totalUnminted_); /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) totalMinted Returns the total number of tokens ever minted * * --------------------------------------------------------------------------------------------------------------------- * @return totalMinted_ The total minted supply of this collection * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function totalMinted() external view returns (uint256 totalMinted_); /** ____________________________________________________________________________________________________________________ * -->GETTER * @dev (function) totalBurned Returns the count of tokens sent to the burn address * * --------------------------------------------------------------------------------------------------------------------- * @return totalBurned_ The total burned supply of this collection * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function totalBurned() external view returns (uint256 totalBurned_); /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (function) transferProjectOwner Allows the current project owner to transfer this role to another address * * --------------------------------------------------------------------------------------------------------------------- * @param newProjectOwner_ New project owner * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function transferProjectOwner(address newProjectOwner_) external; /** ____________________________________________________________________________________________________________________ * -->ACCESS CONTROL * @dev (function) transferPlatformAdmin Allows the current platform admin to transfer this role to another address * * --------------------------------------------------------------------------------------------------------------------- * @param newPlatformAdmin_ New platform admin * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function transferPlatformAdmin(address newPlatformAdmin_) external; /** ____________________________________________________________________________________________________________________ * -->METADATA * @dev (function) setURIs Set the URI data for this contracts * * --------------------------------------------------------------------------------------------------------------------- * @param preRevealURI_ The URI to use pre-reveal * --------------------------------------------------------------------------------------------------------------------- * @param arweaveURI_ The URI for arweave * --------------------------------------------------------------------------------------------------------------------- * @param ipfsURI_ The URI for IPFS * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setURIs( string calldata preRevealURI_, string calldata arweaveURI_, string calldata ipfsURI_ ) external; /** ____________________________________________________________________________________________________________________ * -->METADATA * @dev (function) lockURIsCannotBeUndone Lock the URI data for this contract * * --------------------------------------------------------------------------------------------------------------------- * @param confirmation_ The confirmation string * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function lockURIsCannotBeUndone(string calldata confirmation_) external; /** ____________________________________________________________________________________________________________________ * -->LOCK MINTING * @dev (function) setMintingCompleteForeverCannotBeUndone Allow project owner OR platform admin to set minting * complete * * @notice Enter confirmation value of "MintingComplete" to confirm that you are closing minting. * * --------------------------------------------------------------------------------------------------------------------- * @param confirmation_ Confirmation string * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setMintingCompleteForeverCannotBeUndone( string calldata confirmation_ ) external; /** ____________________________________________________________________________________________________________________ * -->REVEAL * @dev (function) revealCollection Set the collection to revealed * * _____________________________________________________________________________________________________________________ */ function revealCollection() external; /** ____________________________________________________________________________________________________________________ * -->REVEAL * @dev (function) setPositionProof Set the metadata position proof * * --------------------------------------------------------------------------------------------------------------------- * @param positionProof_ The metadata proof * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setPositionProof(bytes32 positionProof_) external; /** ____________________________________________________________________________________________________________________ * -->METADATA * @dev (function) setUseArweave Guards against either arweave or IPFS being no more * * --------------------------------------------------------------------------------------------------------------------- * @param useArweave_ Boolean to indicate whether arweave should be used or not (true = use arweave, false = use IPFS) * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setUseArweave(bool useArweave_) external; /** ____________________________________________________________________________________________________________________ * -->ROYALTY * @dev (function) setDefaultRoyalty Set the royalty percentage * * @notice - we have specifically NOT implemented the ability to have different royalties on a token by token basis. * This reduces the complexity of processing on multi-buys, and also avoids challenges to decentralisation (e.g. the * project targetting one users tokens with larger royalties) * --------------------------------------------------------------------------------------------------------------------- * @param recipient_ Royalty receiver * --------------------------------------------------------------------------------------------------------------------- * @param fraction_ Royalty fraction * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function setDefaultRoyalty(address recipient_, uint96 fraction_) external; /** ____________________________________________________________________________________________________________________ * -->ROYALTY * @dev (function) deleteDefaultRoyalty Delete the royalty percentage claimed * * _____________________________________________________________________________________________________________________ */ function deleteDefaultRoyalty() external; /** ____________________________________________________________________________________________________________________ * -->MINT * @dev (function) metadropMint Mint tokens. Can only be called from a valid primary market contract * * --------------------------------------------------------------------------------------------------------------------- * @param caller_ The address that has called mint through the primary sale module. * --------------------------------------------------------------------------------------------------------------------- * @param recipient_ The address that will receive new assets. * --------------------------------------------------------------------------------------------------------------------- * @param allowanceAddress_ The address that has an allowance being used in this mint. This will be the same as the * calling address in almost all cases. An example of when they may differ is in a list * mint where the caller is a delegate of another address with an allowance in the list. * The caller is performing the mint, but it is the allowance for the allowance address * that is being checked and decremented in this mint. * --------------------------------------------------------------------------------------------------------------------- * @param quantityToMint_ The quantity of tokens to be minted * --------------------------------------------------------------------------------------------------------------------- * @param unitPrice_ The unit price for each token * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function metadropMint( address caller_, address recipient_, address allowanceAddress_, uint256 quantityToMint_, uint256 unitPrice_ ) external; /** ____________________________________________________________________________________________________________________ * -->REVEAL * @dev (function) setStartPosition Get the metadata start position for use on reveal of this collection * _____________________________________________________________________________________________________________________ */ function setStartPosition() external; /** ____________________________________________________________________________________________________________________ * -->REVEAL * @dev (function) fulfillRandomWords Callback from the chainlinkv2 oracle (on factory) with randomness * * --------------------------------------------------------------------------------------------------------------------- * @param requestId_ The Id of this request (this contract will submit a single request) * --------------------------------------------------------------------------------------------------------------------- * @param randomWords_ The random words returned from chainlink * --------------------------------------------------------------------------------------------------------------------- * _____________________________________________________________________________________________________________________ */ function fulfillRandomWords( uint256 requestId_, uint256[] memory randomWords_ ) external; }
// SPDX-License-Identifier: CC0-1.0 // EPS Contracts v2.0.0 // www.eternalproxy.com /** @dev EPS Delegation Register - Interface */ pragma solidity 0.8.19; import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol"; import "../EPSRewardToken/IOAT.sol"; import "../EPSRewardToken/IERCOmnReceiver.sol"; /** * * @dev Implementation of the EPS proxy register interface. * */ interface IEPSDelegationRegister { // ====================================================== // ENUMS and STRUCTS // ====================================================== // Scope of a delegation: global, collection or token enum DelegationScope { global, collection, token } // Time limit of a delegation: eternal or time limited enum DelegationTimeLimit { eternal, limited } // The Class of a delegation: primary, secondary or rental enum DelegationClass { primary, secondary, rental } // The status of a delegation: enum DelegationStatus { live, pending } // Data output format for a report (used to output both hot and cold // delegation details) struct DelegationReport { address hot; address cold; DelegationScope scope; DelegationClass class; DelegationTimeLimit timeLimit; address collection; uint256 tokenId; uint40 startDate; uint40 endDate; bool validByDate; bool validBilaterally; bool validTokenOwnership; bool[25] usageTypes; address key; uint96 controlInteger; bytes data; DelegationStatus status; } // Delegation record struct DelegationRecord { address hot; uint96 controlInteger; address cold; uint40 startDate; uint40 endDate; DelegationStatus status; } // If a delegation is for a collection, or has additional data, it will need to read the delegation metadata struct DelegationMetadata { address collection; uint256 tokenId; bytes data; } // Details of a hot wallet lock struct LockDetails { uint40 lockStart; uint40 lockEnd; } // Validity dates when checking a delegation struct ValidityDates { uint40 start; uint40 end; } // Delegation struct to hold details of a new delegation struct Delegation { address hot; address cold; address[] targetAddresses; uint256 tokenId; bool tokenDelegation; uint8[] usageTypes; uint40 startDate; uint40 endDate; uint16 providerCode; DelegationClass delegationClass; uint96 subDelegateKey; bytes data; DelegationStatus status; } // Addresses associated with a delegation check struct DelegationCheckAddresses { address hot; address cold; address targetCollection; } // Classes associated with a delegation check struct DelegationCheckClasses { bool secondary; bool rental; bool token; } // Migrated record data struct MigratedRecord { address hot; address cold; } // ====================================================== // CUSTOM ERRORS // ====================================================== error UsageTypeAlreadyDelegated(uint256 usageType); error CannotDeleteValidDelegation(); error CannotDelegatedATokenYouDontOwn(); error IncorrectAdminLevel(uint256 requiredLevel); error OnlyParticipantOrAuthorisedSubDelegate(); error HotAddressIsLockedAndCannotBeDelegatedTo(); error InvalidDelegation(); error ToMuchETHForPendingPayments(uint256 sent, uint256 required); error UnknownAmount(); error InvalidERC20Payment(); error IncorrectProxyRegisterFee(); error UnrecognisedEPSAPIAmount(); error CannotRevokeAllForRegisterAdminHierarchy(); // ====================================================== // EVENTS // ====================================================== event DelegationMade( address indexed hot, address indexed cold, address targetAddress, uint256 tokenId, bool tokenDelegation, uint8[] usageTypes, uint40 startDate, uint40 endDate, uint16 providerCode, DelegationClass delegationClass, uint96 subDelegateKey, bytes data, DelegationStatus status ); event DelegationRevoked(address hot, address cold, address delegationKey); event DelegationPaid(address delegationKey); event AllDelegationsRevokedForHot(address hot); event AllDelegationsRevokedForCold(address cold); event Transfer(address indexed from, address indexed to, uint256 value); /** * * * @dev getDelegationRecord * * */ function getDelegationRecord(address delegationKey_) external view returns (DelegationRecord memory); /** * * * @dev isValidDelegation * * */ function isValidDelegation( address hot_, address cold_, address collection_, uint256 usageType_, bool includeSecondary_, bool includeRental_ ) external view returns (bool isValid_); /** * * * @dev getAddresses - Get all currently valid addresses for a hot address. * - Pass in address(0) to return records that are for ALL collections * - Pass in a collection address to get records for just that collection * - Usage type must be supplied. Only records that match usage type will be returned * * */ function getAddresses( address hot_, address collection_, uint256 usageType_, bool includeSecondary_, bool includeRental_ ) external view returns (address[] memory addresses_); /** * * * @dev beneficiaryBalanceOf: Returns the beneficiary balance * * */ function beneficiaryBalanceOf( address queryAddress_, address contractAddress_, uint256 usageType_, bool erc1155_, uint256 id_, bool includeSecondary_, bool includeRental_ ) external view returns (uint256 balance_); /** * * * @dev beneficiaryOf * * */ function beneficiaryOf( address collection_, uint256 tokenId_, uint256 usageType_, bool includeSecondary_, bool includeRental_ ) external view returns ( address primaryBeneficiary_, address[] memory secondaryBeneficiaries_ ); /** * * * @dev delegationFromColdExists - check a cold delegation exists * * */ function delegationFromColdExists(address cold_, address delegationKey_) external view returns (bool); /** * * * @dev delegationFromHotExists - check a hot delegation exists * * */ function delegationFromHotExists(address hot_, address delegationKey_) external view returns (bool); /** * * * @dev getAllForHot - Get all delegations at a hot address, formatted nicely * * */ function getAllForHot(address hot_) external view returns (DelegationReport[] memory); /** * * * @dev getAllForCold - Get all delegations at a cold address, formatted nicely * * */ function getAllForCold(address cold_) external view returns (DelegationReport[] memory); /** * * * @dev makeDelegation - A direct call to setup a new proxy record * * */ function makeDelegation( address hot_, address cold_, address[] memory targetAddresses_, uint256 tokenId_, bool tokenDelegation_, uint8[] memory usageTypes_, uint40 startDate_, uint40 endDate_, uint16 providerCode_, DelegationClass delegationClass_, //0 = primary, 1 = secondary, 2 = rental uint96 subDelegateKey_, bytes memory data_ ) external payable; /** * * * @dev getDelegationKey - get the link hash to the delegation metadata * * */ function getDelegationKey( address hot_, address cold_, address targetAddress_, uint256 tokenId_, bool tokenDelegation_, uint96 controlInteger_, uint40 startDate_, uint40 endDate_ ) external pure returns (address); /** * * * @dev getHotAddressLockDetails * * */ function getHotAddressLockDetails(address hot_) external view returns (LockDetails memory, address[] memory); /** * * * @dev lockAddressUntilDate * * */ function lockAddressUntilDate(uint40 unlockDate_) external; /** * * * @dev lockAddress * * */ function lockAddress() external; /** * * * @dev unlockAddress * * */ function unlockAddress() external; /** * * * @dev addLockBypassAddress * * */ function addLockBypassAddress(address bypassAddress_) external; /** * * * @dev removeLockBypassAddress * * */ function removeLockBypassAddress(address bypassAddress_) external; /** * * * @dev revokeRecord: Revoking a single record with Key * * */ function revokeRecord(address delegationKey_, uint96 subDelegateKey_) external; /** * * * @dev revokeGlobalAll * * */ function revokeRecordOfGlobalScopeForAllUsages(address participant2_) external; /** * * * @dev revokeAllForCold: Cold calls and revokes ALL * * */ function revokeAllForCold(address cold_, uint96 subDelegateKey_) external; /** * * * @dev revokeAllForHot: Hot calls and revokes ALL * * */ function revokeAllForHot() external; /** * * * @dev deleteExpired: ANYONE can delete expired records * * */ function deleteExpired(address delegationKey_) external; /** * * * @dev setRegisterFee: set the fee for accepting a registration: * * */ function setRegisterFees( uint256 registerFee_, address erc20_, uint256 erc20Fee_ ) external; /** * * * @dev setRewardTokenAndRate * * */ function setRewardTokenAndRate(address rewardToken_, uint88 rewardRate_) external; /** * * * @dev lockRewardRate * * */ function lockRewardRate() external; /** * * * @dev setLegacyOff * * */ function setLegacyOff() external; /** * * * @dev setENSName (used to set reverse record so interactions with this contract are easy to * identify) * * */ function setENSName(string memory ensName_) external; /** * * * @dev setENSReverseRegistrar * * */ function setENSReverseRegistrar(address ensReverseRegistrar_) external; /** * * * @dev setTreasuryAddress: set the treasury address: * * */ function setTreasuryAddress(address treasuryAddress_) external; /** * * * @dev setDecimalsAndBalance * * */ function setDecimalsAndBalance(uint8 decimals_, uint256 balance_) external; /** * * * @dev withdrawETH: withdraw eth to the treasury: * * */ function withdrawETH(uint256 amount_) external returns (bool success_); /** * * * @dev withdrawERC20: Allow any ERC20s to be withdrawn Note, this is provided to enable the * withdrawal of payments using valid ERC20s. Assets sent here in error are retrieved with * rescueERC20 * * */ function withdrawERC20(IERC20 token_, uint256 amount_) external; /** * * * @dev isLevelAdmin * * */ function isLevelAdmin( address receivedAddress_, uint256 level_, uint96 key_ ) external view returns (bool); }
// SPDX-License-Identifier: MIT // EPS Contracts v2.0.0 // www.eternalproxy.com /** @dev IERCOmnReceiver - Interface */ pragma solidity 0.8.19; interface IERCOmnReceiver { function onTokenTransfer( address sender, uint256 value, bytes memory data ) external payable; }
// SPDX-License-Identifier: MIT // EPS Contracts v2.0.0 // www.eternalproxy.com /** @dev IOAT - Interface */ pragma solidity 0.8.19; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; /** * @dev OAT interface */ interface IOAT is IERC20 { /** * * @dev emitToken * */ function emitToken(address receiver_, uint256 amount_) external; /** * * @dev addEmitter * */ function addEmitter(address emitter_) external; /** * * @dev removeEmitter * */ function removeEmitter(address emitter_) external; /** * * @dev setTreasury * */ function setTreasury(address treasury_) external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.5.0; import "./ILayerZeroUserApplicationConfig.sol"; interface ILayerZeroEndpoint is ILayerZeroUserApplicationConfig { // @notice send a LayerZero message to the specified address at a LayerZero endpoint. // @param _dstChainId - the destination chain identifier // @param _destination - the address on destination chain (in bytes). address length/format may vary by chains // @param _payload - a custom bytes payload to send to the destination contract // @param _refundAddress - if the source transaction is cheaper than the amount of value passed, refund the additional amount to this address // @param _zroPaymentAddress - the address of the ZRO token holder who would pay for the transaction // @param _adapterParams - parameters for custom functionality. e.g. receive airdropped native gas from the relayer on destination function send(uint16 _dstChainId, bytes calldata _destination, bytes calldata _payload, address payable _refundAddress, address _zroPaymentAddress, bytes calldata _adapterParams) external payable; // @notice used by the messaging library to publish verified payload // @param _srcChainId - the source chain identifier // @param _srcAddress - the source contract (as bytes) at the source chain // @param _dstAddress - the address on destination chain // @param _nonce - the unbound message ordering nonce // @param _gasLimit - the gas limit for external contract execution // @param _payload - verified payload to send to the destination contract function receivePayload(uint16 _srcChainId, bytes calldata _srcAddress, address _dstAddress, uint64 _nonce, uint _gasLimit, bytes calldata _payload) external; // @notice get the inboundNonce of a lzApp from a source chain which could be EVM or non-EVM chain // @param _srcChainId - the source chain identifier // @param _srcAddress - the source chain contract address function getInboundNonce(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (uint64); // @notice get the outboundNonce from this source chain which, consequently, is always an EVM // @param _srcAddress - the source chain contract address function getOutboundNonce(uint16 _dstChainId, address _srcAddress) external view returns (uint64); // @notice gets a quote in source native gas, for the amount that send() requires to pay for message delivery // @param _dstChainId - the destination chain identifier // @param _userApplication - the user app address on this EVM chain // @param _payload - the custom message to send over LayerZero // @param _payInZRO - if false, user app pays the protocol fee in native token // @param _adapterParam - parameters for the adapter service, e.g. send some dust native token to dstChain function estimateFees(uint16 _dstChainId, address _userApplication, bytes calldata _payload, bool _payInZRO, bytes calldata _adapterParam) external view returns (uint nativeFee, uint zroFee); // @notice get this Endpoint's immutable source identifier function getChainId() external view returns (uint16); // @notice the interface to retry failed message on this Endpoint destination // @param _srcChainId - the source chain identifier // @param _srcAddress - the source chain contract address // @param _payload - the payload to be retried function retryPayload(uint16 _srcChainId, bytes calldata _srcAddress, bytes calldata _payload) external; // @notice query if any STORED payload (message blocking) at the endpoint. // @param _srcChainId - the source chain identifier // @param _srcAddress - the source chain contract address function hasStoredPayload(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (bool); // @notice query if the _libraryAddress is valid for sending msgs. // @param _userApplication - the user app address on this EVM chain function getSendLibraryAddress(address _userApplication) external view returns (address); // @notice query if the _libraryAddress is valid for receiving msgs. // @param _userApplication - the user app address on this EVM chain function getReceiveLibraryAddress(address _userApplication) external view returns (address); // @notice query if the non-reentrancy guard for send() is on // @return true if the guard is on. false otherwise function isSendingPayload() external view returns (bool); // @notice query if the non-reentrancy guard for receive() is on // @return true if the guard is on. false otherwise function isReceivingPayload() external view returns (bool); // @notice get the configuration of the LayerZero messaging library of the specified version // @param _version - messaging library version // @param _chainId - the chainId for the pending config change // @param _userApplication - the contract address of the user application // @param _configType - type of configuration. every messaging library has its own convention. function getConfig(uint16 _version, uint16 _chainId, address _userApplication, uint _configType) external view returns (bytes memory); // @notice get the send() LayerZero messaging library version // @param _userApplication - the contract address of the user application function getSendVersion(address _userApplication) external view returns (uint16); // @notice get the lzReceive() LayerZero messaging library version // @param _userApplication - the contract address of the user application function getReceiveVersion(address _userApplication) external view returns (uint16); }
// SPDX-License-Identifier: MIT pragma solidity >=0.5.0; interface ILayerZeroReceiver { // @notice LayerZero endpoint will invoke this function to deliver the message on the destination // @param _srcChainId - the source endpoint identifier // @param _srcAddress - the source sending contract address from the source chain // @param _nonce - the ordered message nonce // @param _payload - the signed payload is the UA bytes has encoded to be sent function lzReceive(uint16 _srcChainId, bytes calldata _srcAddress, uint64 _nonce, bytes calldata _payload) external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.5.0; interface ILayerZeroUserApplicationConfig { // @notice set the configuration of the LayerZero messaging library of the specified version // @param _version - messaging library version // @param _chainId - the chainId for the pending config change // @param _configType - type of configuration. every messaging library has its own convention. // @param _config - configuration in the bytes. can encode arbitrary content. function setConfig(uint16 _version, uint16 _chainId, uint _configType, bytes calldata _config) external; // @notice set the send() LayerZero messaging library version to _version // @param _version - new messaging library version function setSendVersion(uint16 _version) external; // @notice set the lzReceive() LayerZero messaging library version to _version // @param _version - new messaging library version function setReceiveVersion(uint16 _version) external; // @notice Only when the UA needs to resume the message flow in blocking mode and clear the stored payload // @param _srcChainId - the chainId of the source chain // @param _srcAddress - the contract address of the source contract at the source chain function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/access/Ownable.sol"; import "../interfaces/ILayerZeroReceiver.sol"; import "../interfaces/ILayerZeroUserApplicationConfig.sol"; import "../interfaces/ILayerZeroEndpoint.sol"; import "../util/BytesLib.sol"; /* * a generic LzReceiver implementation */ abstract contract LzApp is Ownable, ILayerZeroReceiver, ILayerZeroUserApplicationConfig { using BytesLib for bytes; ILayerZeroEndpoint public immutable lzEndpoint; mapping(uint16 => bytes) public trustedRemoteLookup; mapping(uint16 => mapping(uint16 => uint256)) public minDstGasLookup; address public precrime; event SetPrecrime(address precrime); event SetTrustedRemote(uint16 _remoteChainId, bytes _path); event SetTrustedRemoteAddress(uint16 _remoteChainId, bytes _remoteAddress); event SetMinDstGas(uint16 _dstChainId, uint16 _type, uint256 _minDstGas); error InvalidEndpointCaller(); error InvalidSourceSendingContract(); error DestinationIsNotTrustedSource(); error MinGasLimitNotSet(); error GasLimitIsTooLow(); error InvalidAdapterParams(); error NoTrustedPathRecord(); error InvalidMinGas(); constructor(address _endpoint) { lzEndpoint = ILayerZeroEndpoint(_endpoint); } function lzReceive( uint16 _srcChainId, bytes calldata _srcAddress, uint64 _nonce, bytes calldata _payload ) public virtual override { // lzReceive must be called by the endpoint for security if (_msgSender() != address(lzEndpoint)) { revert InvalidEndpointCaller(); } // require( // _msgSender() == address(lzEndpoint), // "LzApp: invalid endpoint caller" // ); bytes memory trustedRemote = trustedRemoteLookup[_srcChainId]; // if will still block the message pathway from (srcChainId, srcAddress). should not receive message from untrusted remote. if ( !(_srcAddress.length == trustedRemote.length && trustedRemote.length > 0 && keccak256(_srcAddress) == keccak256(trustedRemote)) ) { revert InvalidSourceSendingContract(); } // require( // _srcAddress.length == trustedRemote.length && // trustedRemote.length > 0 && // keccak256(_srcAddress) == keccak256(trustedRemote), // "LzApp: invalid source sending contract" // ); _blockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload); } // abstract function - the default behaviour of LayerZero is blocking. See: NonblockingLzApp if you dont need to enforce ordered messaging function _blockingLzReceive( uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload ) internal virtual; function _lzSend( uint16 _dstChainId, bytes memory _payload, address payable _refundAddress, address _zroPaymentAddress, bytes memory _adapterParams, uint256 _nativeFee ) internal virtual { bytes memory trustedRemote = trustedRemoteLookup[_dstChainId]; if (trustedRemote.length == 0) { revert DestinationIsNotTrustedSource(); } // require( // trustedRemote.length != 0, // "LzApp: destination chain is not a trusted source" // ); lzEndpoint.send{value: _nativeFee}( _dstChainId, trustedRemote, _payload, _refundAddress, _zroPaymentAddress, _adapterParams ); } function _checkGasLimit( uint16 _dstChainId, uint16 _type, bytes memory _adapterParams, uint256 _extraGas ) internal view virtual { uint256 providedGasLimit = _getGasLimit(_adapterParams); uint256 minGasLimit = minDstGasLookup[_dstChainId][_type] + _extraGas; if (minGasLimit == 0) { revert MinGasLimitNotSet(); } //require(minGasLimit > 0, "LzApp: minGasLimit not set"); if (providedGasLimit < minGasLimit) { revert GasLimitIsTooLow(); } //require(providedGasLimit >= minGasLimit, "LzApp: gas limit is too low"); } function _getGasLimit(bytes memory _adapterParams) internal pure virtual returns (uint256 gasLimit) { if (_adapterParams.length < 34) { revert InvalidAdapterParams(); } //require(_adapterParams.length >= 34, "LzApp: invalid adapterParams"); assembly { gasLimit := mload(add(_adapterParams, 34)) } } //---------------------------UserApplication config---------------------------------------- function getConfig( uint16 _version, uint16 _chainId, address, uint256 _configType ) external view returns (bytes memory) { return lzEndpoint.getConfig(_version, _chainId, address(this), _configType); } // generic config for LayerZero user Application function setConfig( uint16 _version, uint16 _chainId, uint256 _configType, bytes calldata _config ) external override onlyOwner { lzEndpoint.setConfig(_version, _chainId, _configType, _config); } function setSendVersion(uint16 _version) external override onlyOwner { lzEndpoint.setSendVersion(_version); } function setReceiveVersion(uint16 _version) external override onlyOwner { lzEndpoint.setReceiveVersion(_version); } function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external override onlyOwner { lzEndpoint.forceResumeReceive(_srcChainId, _srcAddress); } // _path = abi.encodePacked(remoteAddress, localAddress) // this function set the trusted path for the cross-chain communication function setTrustedRemote(uint16 _srcChainId, bytes calldata _path) external onlyOwner { trustedRemoteLookup[_srcChainId] = _path; emit SetTrustedRemote(_srcChainId, _path); } function setTrustedRemoteAddress( uint16 _remoteChainId, bytes calldata _remoteAddress ) external onlyOwner { trustedRemoteLookup[_remoteChainId] = abi.encodePacked( _remoteAddress, address(this) ); emit SetTrustedRemoteAddress(_remoteChainId, _remoteAddress); } function getTrustedRemoteAddress(uint16 _remoteChainId) external view returns (bytes memory) { bytes memory path = trustedRemoteLookup[_remoteChainId]; if (path.length == 0) { revert NoTrustedPathRecord(); } //require(path.length != 0, "LzApp: no trusted path record"); return path.slice(0, path.length - 20); // the last 20 bytes should be address(this) } function setPrecrime(address _precrime) external onlyOwner { precrime = _precrime; emit SetPrecrime(_precrime); } function setMinDstGas( uint16 _dstChainId, uint16 _packetType, uint256 _minGas ) external onlyOwner { if (_minGas == 0) { revert InvalidMinGas(); } //require(_minGas > 0, "LzApp: invalid minGas"); minDstGasLookup[_dstChainId][_packetType] = _minGas; emit SetMinDstGas(_dstChainId, _packetType, _minGas); } //--------------------------- VIEW FUNCTION ---------------------------------------- function isTrustedRemote(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (bool) { bytes memory trustedSource = trustedRemoteLookup[_srcChainId]; return keccak256(trustedSource) == keccak256(_srcAddress); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./LzApp.sol"; import "../util/ExcessivelySafeCall.sol"; /* * the default LayerZero messaging behaviour is blocking, i.e. any failed message will block the channel * this abstract class try-catch all fail messages and store locally for future retry. hence, non-blocking * NOTE: if the srcAddress is not configured properly, it will still block the message pathway from (srcChainId, srcAddress) */ abstract contract NonblockingLzApp is LzApp { using ExcessivelySafeCall for address; constructor(address _endpoint) LzApp(_endpoint) {} mapping(uint16 => mapping(bytes => mapping(uint64 => bytes32))) public failedMessages; event MessageFailed(uint16 _srcChainId, bytes _srcAddress, uint64 _nonce, bytes _payload, bytes _reason); event RetryMessageSuccess(uint16 _srcChainId, bytes _srcAddress, uint64 _nonce, bytes32 _payloadHash); // overriding the virtual function in LzReceiver function _blockingLzReceive(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload) internal virtual override { (bool success, bytes memory reason) = address(this).excessivelySafeCall(gasleft(), 150, abi.encodeWithSelector(this.nonblockingLzReceive.selector, _srcChainId, _srcAddress, _nonce, _payload)); // try-catch all errors/exceptions if (!success) { failedMessages[_srcChainId][_srcAddress][_nonce] = keccak256(_payload); emit MessageFailed(_srcChainId, _srcAddress, _nonce, _payload, reason); } } function nonblockingLzReceive(uint16 _srcChainId, bytes calldata _srcAddress, uint64 _nonce, bytes calldata _payload) public virtual { // only internal transaction require(_msgSender() == address(this), "NonblockingLzApp: caller must be LzApp"); _nonblockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload); } //@notice override this function function _nonblockingLzReceive(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload) internal virtual; function retryMessage(uint16 _srcChainId, bytes calldata _srcAddress, uint64 _nonce, bytes calldata _payload) public payable virtual { // assert there is message to retry bytes32 payloadHash = failedMessages[_srcChainId][_srcAddress][_nonce]; require(payloadHash != bytes32(0), "NonblockingLzApp: no stored message"); require(keccak256(_payload) == payloadHash, "NonblockingLzApp: invalid payload"); // clear the stored message failedMessages[_srcChainId][_srcAddress][_nonce] = bytes32(0); // execute the message. revert if it fails again _nonblockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload); emit RetryMessageSuccess(_srcChainId, _srcAddress, _nonce, payloadHash); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.5.0; import "./IONFT721Core.sol"; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; /** * @dev Interface of the ONFT standard */ interface IONFT721 is IONFT721Core, IERC721 { }
// SPDX-License-Identifier: MIT pragma solidity >=0.5.0; import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /** * @dev Interface of the ONFT Core standard */ interface IONFT721Core is IERC165 { /** * @dev estimate send token `_tokenId` to (`_dstChainId`, `_toAddress`) * _dstChainId - L0 defined chain id to send tokens too * _toAddress - dynamic bytes array which contains the address to whom you are sending tokens to on the dstChain * _tokenId - token Id to transfer * _useZro - indicates to use zro to pay L0 fees * _adapterParams - flexible bytes array to indicate messaging adapter services in L0 */ function estimateSendFee( uint16 _dstChainId, bytes calldata _toAddress, uint256 _tokenId, bool _useZro, bytes calldata _adapterParams ) external view returns (uint256 nativeFee, uint256 zroFee); /** * @dev send token `_tokenId` to (`_dstChainId`, `_toAddress`) from `_from` * `_toAddress` can be any size depending on the `dstChainId`. * `_zroPaymentAddress` set to address(0x0) if not paying in ZRO (LayerZero Token) * `_adapterParams` is a flexible bytes array to indicate messaging adapter services */ function sendFrom( address _from, uint16 _dstChainId, bytes calldata _toAddress, uint256 _tokenId, address payable _refundAddress, address _zroPaymentAddress, bytes calldata _adapterParams ) external payable; /** * @dev Emitted when `_tokenId` are moved from the `_sender` to (`_dstChainId`, `_toAddress`) * `_nonce` is the outbound nonce from */ event SendToChain( uint16 indexed _dstChainId, address indexed _from, bytes indexed _toAddress, uint256 _tokenId ); /** * @dev Emitted when `_tokenId` are sent from `_srcChainId` to the `_toAddress` at this chain. `_nonce` is the inbound nonce. */ event ReceiveFromChain( uint16 indexed _srcChainId, bytes indexed _srcAddress, address indexed _toAddress, uint256 _tokenId ); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./IONFT721Core.sol"; import "../../LayerZero/lzApp/NonblockingLzApp.sol"; import "@openzeppelin/contracts/utils/introspection/ERC165.sol"; abstract contract ONFT721Core is NonblockingLzApp, ERC165, IONFT721Core { uint256 public constant NO_EXTRA_GAS = 0; uint16 public constant FUNCTION_TYPE_SEND = 1; bool public useCustomAdapterParams; event SetUseCustomAdapterParams(bool _useCustomAdapterParams); error AdapterParamsMustBeEmpty(); constructor(address _lzEndpoint) NonblockingLzApp(_lzEndpoint) {} function supportsInterface( bytes4 interfaceId ) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IONFT721Core).interfaceId || super.supportsInterface(interfaceId); } function estimateSendFee( uint16 _dstChainId, bytes memory _toAddress, uint256 _tokenId, bool _useZro, bytes memory _adapterParams ) public view virtual override returns (uint256 nativeFee, uint256 zroFee) { // mock the payload for send() bytes memory payload = abi.encode(_toAddress, _tokenId); return lzEndpoint.estimateFees( _dstChainId, address(this), payload, _useZro, _adapterParams ); } function sendFrom( address _from, uint16 _dstChainId, bytes memory _toAddress, uint256 _tokenId, address payable _refundAddress, address _zroPaymentAddress, bytes memory _adapterParams ) public payable virtual override { _send( _from, _dstChainId, _toAddress, _tokenId, _refundAddress, _zroPaymentAddress, _adapterParams ); } function _send( address _from, uint16 _dstChainId, bytes memory _toAddress, uint256 _tokenId, address payable _refundAddress, address _zroPaymentAddress, bytes memory _adapterParams ) internal virtual { _debitFrom(_from, _dstChainId, _toAddress, _tokenId); bytes memory payload = abi.encode(_toAddress, _tokenId); if (useCustomAdapterParams) { _checkGasLimit( _dstChainId, FUNCTION_TYPE_SEND, _adapterParams, NO_EXTRA_GAS ); } else { if (_adapterParams.length != 0) { revert AdapterParamsMustBeEmpty(); } // require( // _adapterParams.length == 0, // "LzApp: _adapterParams must be empty." // ); } _lzSend( _dstChainId, payload, _refundAddress, _zroPaymentAddress, _adapterParams, msg.value ); emit SendToChain(_dstChainId, _from, _toAddress, _tokenId); } function _nonblockingLzReceive( uint16 _srcChainId, bytes memory _srcAddress, uint64 /*_nonce*/, bytes memory _payload ) internal virtual override { (bytes memory toAddressBytes, uint256 tokenId) = abi.decode( _payload, (bytes, uint256) ); address toAddress; assembly { toAddress := mload(add(toAddressBytes, 20)) } _creditTo(_srcChainId, toAddress, tokenId); emit ReceiveFromChain(_srcChainId, _srcAddress, toAddress, tokenId); } function setUseCustomAdapterParams( bool _useCustomAdapterParams ) external onlyOwner { useCustomAdapterParams = _useCustomAdapterParams; emit SetUseCustomAdapterParams(_useCustomAdapterParams); } function _debitFrom( address _from, uint16 _dstChainId, bytes memory _toAddress, uint256 _tokenId ) internal virtual; function _creditTo( uint16 _srcChainId, address _toAddress, uint256 _tokenId ) internal virtual; }
// SPDX-License-Identifier: Unlicense /* * @title Solidity Bytes Arrays Utils * @author Gonçalo Sá <[email protected]> * * @dev Bytes tightly packed arrays utility library for ethereum contracts written in Solidity. * The library lets you concatenate, slice and type cast bytes arrays both in memory and storage. */ pragma solidity >=0.8.0 <0.9.0; library BytesLib { function concat( bytes memory _preBytes, bytes memory _postBytes ) internal pure returns (bytes memory) { bytes memory tempBytes; assembly { // Get a location of some free memory and store it in tempBytes as // Solidity does for memory variables. tempBytes := mload(0x40) // Store the length of the first bytes array at the beginning of // the memory for tempBytes. let length := mload(_preBytes) mstore(tempBytes, length) // Maintain a memory counter for the current write location in the // temp bytes array by adding the 32 bytes for the array length to // the starting location. let mc := add(tempBytes, 0x20) // Stop copying when the memory counter reaches the length of the // first bytes array. let end := add(mc, length) for { // Initialize a copy counter to the start of the _preBytes data, // 32 bytes into its memory. let cc := add(_preBytes, 0x20) } lt(mc, end) { // Increase both counters by 32 bytes each iteration. mc := add(mc, 0x20) cc := add(cc, 0x20) } { // Write the _preBytes data into the tempBytes memory 32 bytes // at a time. mstore(mc, mload(cc)) } // Add the length of _postBytes to the current length of tempBytes // and store it as the new length in the first 32 bytes of the // tempBytes memory. length := mload(_postBytes) mstore(tempBytes, add(length, mload(tempBytes))) // Move the memory counter back from a multiple of 0x20 to the // actual end of the _preBytes data. mc := end // Stop copying when the memory counter reaches the new combined // length of the arrays. end := add(mc, length) for { let cc := add(_postBytes, 0x20) } lt(mc, end) { mc := add(mc, 0x20) cc := add(cc, 0x20) } { mstore(mc, mload(cc)) } // Update the free-memory pointer by padding our last write location // to 32 bytes: add 31 bytes to the end of tempBytes to move to the // next 32 byte block, then round down to the nearest multiple of // 32. If the sum of the length of the two arrays is zero then add // one before rounding down to leave a blank 32 bytes (the length block with 0). mstore(0x40, and( add(add(end, iszero(add(length, mload(_preBytes)))), 31), not(31) // Round down to the nearest 32 bytes. )) } return tempBytes; } function concatStorage(bytes storage _preBytes, bytes memory _postBytes) internal { assembly { // Read the first 32 bytes of _preBytes storage, which is the length // of the array. (We don't need to use the offset into the slot // because arrays use the entire slot.) let fslot := sload(_preBytes.slot) // Arrays of 31 bytes or less have an even value in their slot, // while longer arrays have an odd value. The actual length is // the slot divided by two for odd values, and the lowest order // byte divided by two for even values. // If the slot is even, bitwise and the slot with 255 and divide by // two to get the length. If the slot is odd, bitwise and the slot // with -1 and divide by two. let slength := div(and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)), 2) let mlength := mload(_postBytes) let newlength := add(slength, mlength) // slength can contain both the length and contents of the array // if length < 32 bytes so let's prepare for that // v. http://solidity.readthedocs.io/en/latest/miscellaneous.html#layout-of-state-variables-in-storage switch add(lt(slength, 32), lt(newlength, 32)) case 2 { // Since the new array still fits in the slot, we just need to // update the contents of the slot. // uint256(bytes_storage) = uint256(bytes_storage) + uint256(bytes_memory) + new_length sstore( _preBytes.slot, // all the modifications to the slot are inside this // next block add( // we can just add to the slot contents because the // bytes we want to change are the LSBs fslot, add( mul( div( // load the bytes from memory mload(add(_postBytes, 0x20)), // zero all bytes to the right exp(0x100, sub(32, mlength)) ), // and now shift left the number of bytes to // leave space for the length in the slot exp(0x100, sub(32, newlength)) ), // increase length by the double of the memory // bytes length mul(mlength, 2) ) ) ) } case 1 { // The stored value fits in the slot, but the combined value // will exceed it. // get the keccak hash to get the contents of the array mstore(0x0, _preBytes.slot) let sc := add(keccak256(0x0, 0x20), div(slength, 32)) // save new length sstore(_preBytes.slot, add(mul(newlength, 2), 1)) // The contents of the _postBytes array start 32 bytes into // the structure. Our first read should obtain the `submod` // bytes that can fit into the unused space in the last word // of the stored array. To get this, we read 32 bytes starting // from `submod`, so the data we read overlaps with the array // contents by `submod` bytes. Masking the lowest-order // `submod` bytes allows us to add that value directly to the // stored value. let submod := sub(32, slength) let mc := add(_postBytes, submod) let end := add(_postBytes, mlength) let mask := sub(exp(0x100, submod), 1) sstore( sc, add( and( fslot, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00 ), and(mload(mc), mask) ) ) for { mc := add(mc, 0x20) sc := add(sc, 1) } lt(mc, end) { sc := add(sc, 1) mc := add(mc, 0x20) } { sstore(sc, mload(mc)) } mask := exp(0x100, sub(mc, end)) sstore(sc, mul(div(mload(mc), mask), mask)) } default { // get the keccak hash to get the contents of the array mstore(0x0, _preBytes.slot) // Start copying to the last used word of the stored array. let sc := add(keccak256(0x0, 0x20), div(slength, 32)) // save new length sstore(_preBytes.slot, add(mul(newlength, 2), 1)) // Copy over the first `submod` bytes of the new data as in // case 1 above. let slengthmod := mod(slength, 32) let mlengthmod := mod(mlength, 32) let submod := sub(32, slengthmod) let mc := add(_postBytes, submod) let end := add(_postBytes, mlength) let mask := sub(exp(0x100, submod), 1) sstore(sc, add(sload(sc), and(mload(mc), mask))) for { sc := add(sc, 1) mc := add(mc, 0x20) } lt(mc, end) { sc := add(sc, 1) mc := add(mc, 0x20) } { sstore(sc, mload(mc)) } mask := exp(0x100, sub(mc, end)) sstore(sc, mul(div(mload(mc), mask), mask)) } } } function slice( bytes memory _bytes, uint256 _start, uint256 _length ) internal pure returns (bytes memory) { require(_length + 31 >= _length, "slice_overflow"); require(_bytes.length >= _start + _length, "slice_outOfBounds"); bytes memory tempBytes; assembly { switch iszero(_length) case 0 { // Get a location of some free memory and store it in tempBytes as // Solidity does for memory variables. tempBytes := mload(0x40) // The first word of the slice result is potentially a partial // word read from the original array. To read it, we calculate // the length of that partial word and start copying that many // bytes into the array. The first word we copy will start with // data we don't care about, but the last `lengthmod` bytes will // land at the beginning of the contents of the new array. When // we're done copying, we overwrite the full first word with // the actual length of the slice. let lengthmod := and(_length, 31) // The multiplication in the next line is necessary // because when slicing multiples of 32 bytes (lengthmod == 0) // the following copy loop was copying the origin's length // and then ending prematurely not copying everything it should. let mc := add(add(tempBytes, lengthmod), mul(0x20, iszero(lengthmod))) let end := add(mc, _length) for { // The multiplication in the next line has the same exact purpose // as the one above. let cc := add(add(add(_bytes, lengthmod), mul(0x20, iszero(lengthmod))), _start) } lt(mc, end) { mc := add(mc, 0x20) cc := add(cc, 0x20) } { mstore(mc, mload(cc)) } mstore(tempBytes, _length) //update free-memory pointer //allocating the array padded to 32 bytes like the compiler does now mstore(0x40, and(add(mc, 31), not(31))) } //if we want a zero-length slice let's just return a zero-length array default { tempBytes := mload(0x40) //zero out the 32 bytes slice we are about to return //we need to do it because Solidity does not garbage collect mstore(tempBytes, 0) mstore(0x40, add(tempBytes, 0x20)) } } return tempBytes; } function toAddress(bytes memory _bytes, uint256 _start) internal pure returns (address) { require(_bytes.length >= _start + 20, "toAddress_outOfBounds"); address tempAddress; assembly { tempAddress := div(mload(add(add(_bytes, 0x20), _start)), 0x1000000000000000000000000) } return tempAddress; } function toUint8(bytes memory _bytes, uint256 _start) internal pure returns (uint8) { require(_bytes.length >= _start + 1 , "toUint8_outOfBounds"); uint8 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x1), _start)) } return tempUint; } function toUint16(bytes memory _bytes, uint256 _start) internal pure returns (uint16) { require(_bytes.length >= _start + 2, "toUint16_outOfBounds"); uint16 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x2), _start)) } return tempUint; } function toUint32(bytes memory _bytes, uint256 _start) internal pure returns (uint32) { require(_bytes.length >= _start + 4, "toUint32_outOfBounds"); uint32 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x4), _start)) } return tempUint; } function toUint64(bytes memory _bytes, uint256 _start) internal pure returns (uint64) { require(_bytes.length >= _start + 8, "toUint64_outOfBounds"); uint64 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x8), _start)) } return tempUint; } function toUint96(bytes memory _bytes, uint256 _start) internal pure returns (uint96) { require(_bytes.length >= _start + 12, "toUint96_outOfBounds"); uint96 tempUint; assembly { tempUint := mload(add(add(_bytes, 0xc), _start)) } return tempUint; } function toUint128(bytes memory _bytes, uint256 _start) internal pure returns (uint128) { require(_bytes.length >= _start + 16, "toUint128_outOfBounds"); uint128 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x10), _start)) } return tempUint; } function toUint256(bytes memory _bytes, uint256 _start) internal pure returns (uint256) { require(_bytes.length >= _start + 32, "toUint256_outOfBounds"); uint256 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x20), _start)) } return tempUint; } function toBytes32(bytes memory _bytes, uint256 _start) internal pure returns (bytes32) { require(_bytes.length >= _start + 32, "toBytes32_outOfBounds"); bytes32 tempBytes32; assembly { tempBytes32 := mload(add(add(_bytes, 0x20), _start)) } return tempBytes32; } function equal(bytes memory _preBytes, bytes memory _postBytes) internal pure returns (bool) { bool success = true; assembly { let length := mload(_preBytes) // if lengths don't match the arrays are not equal switch eq(length, mload(_postBytes)) case 1 { // cb is a circuit breaker in the for loop since there's // no said feature for inline assembly loops // cb = 1 - don't breaker // cb = 0 - break let cb := 1 let mc := add(_preBytes, 0x20) let end := add(mc, length) for { let cc := add(_postBytes, 0x20) // the next line is the loop condition: // while(uint256(mc < end) + cb == 2) } eq(add(lt(mc, end), cb), 2) { mc := add(mc, 0x20) cc := add(cc, 0x20) } { // if any of these checks fails then arrays are not equal if iszero(eq(mload(mc), mload(cc))) { // unsuccess: success := 0 cb := 0 } } } default { // unsuccess: success := 0 } } return success; } function equalStorage( bytes storage _preBytes, bytes memory _postBytes ) internal view returns (bool) { bool success = true; assembly { // we know _preBytes_offset is 0 let fslot := sload(_preBytes.slot) // Decode the length of the stored array like in concatStorage(). let slength := div(and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)), 2) let mlength := mload(_postBytes) // if lengths don't match the arrays are not equal switch eq(slength, mlength) case 1 { // slength can contain both the length and contents of the array // if length < 32 bytes so let's prepare for that // v. http://solidity.readthedocs.io/en/latest/miscellaneous.html#layout-of-state-variables-in-storage if iszero(iszero(slength)) { switch lt(slength, 32) case 1 { // blank the last byte which is the length fslot := mul(div(fslot, 0x100), 0x100) if iszero(eq(fslot, mload(add(_postBytes, 0x20)))) { // unsuccess: success := 0 } } default { // cb is a circuit breaker in the for loop since there's // no said feature for inline assembly loops // cb = 1 - don't breaker // cb = 0 - break let cb := 1 // get the keccak hash to get the contents of the array mstore(0x0, _preBytes.slot) let sc := keccak256(0x0, 0x20) let mc := add(_postBytes, 0x20) let end := add(mc, mlength) // the next line is the loop condition: // while(uint256(mc < end) + cb == 2) for {} eq(add(lt(mc, end), cb), 2) { sc := add(sc, 1) mc := add(mc, 0x20) } { if iszero(eq(sload(sc), mload(mc))) { // unsuccess: success := 0 cb := 0 } } } } } default { // unsuccess: success := 0 } } return success; } }
// SPDX-License-Identifier: MIT OR Apache-2.0 pragma solidity >=0.7.6; library ExcessivelySafeCall { uint256 constant LOW_28_MASK = 0x00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff; /// @notice Use when you _really_ really _really_ don't trust the called /// contract. This prevents the called contract from causing reversion of /// the caller in as many ways as we can. /// @dev The main difference between this and a solidity low-level call is /// that we limit the number of bytes that the callee can cause to be /// copied to caller memory. This prevents stupid things like malicious /// contracts returning 10,000,000 bytes causing a local OOG when copying /// to memory. /// @param _target The address to call /// @param _gas The amount of gas to forward to the remote contract /// @param _maxCopy The maximum number of bytes of returndata to copy /// to memory. /// @param _calldata The data to send to the remote contract /// @return success and returndata, as `.call()`. Returndata is capped to /// `_maxCopy` bytes. function excessivelySafeCall( address _target, uint256 _gas, uint16 _maxCopy, bytes memory _calldata ) internal returns (bool, bytes memory) { // set up for assembly call uint256 _toCopy; bool _success; bytes memory _returnData = new bytes(_maxCopy); // dispatch message to recipient // by assembly calling "handle" function // we call via assembly to avoid memcopying a very large returndata // returned by a malicious contract assembly { _success := call( _gas, // gas _target, // recipient 0, // ether value add(_calldata, 0x20), // inloc mload(_calldata), // inlen 0, // outloc 0 // outlen ) // limit our copy to 256 bytes _toCopy := returndatasize() if gt(_toCopy, _maxCopy) { _toCopy := _maxCopy } // Store the length of the copied bytes mstore(_returnData, _toCopy) // copy the bytes from returndata[0:_toCopy] returndatacopy(add(_returnData, 0x20), 0, _toCopy) } return (_success, _returnData); } /// @notice Use when you _really_ really _really_ don't trust the called /// contract. This prevents the called contract from causing reversion of /// the caller in as many ways as we can. /// @dev The main difference between this and a solidity low-level call is /// that we limit the number of bytes that the callee can cause to be /// copied to caller memory. This prevents stupid things like malicious /// contracts returning 10,000,000 bytes causing a local OOG when copying /// to memory. /// @param _target The address to call /// @param _gas The amount of gas to forward to the remote contract /// @param _maxCopy The maximum number of bytes of returndata to copy /// to memory. /// @param _calldata The data to send to the remote contract /// @return success and returndata, as `.call()`. Returndata is capped to /// `_maxCopy` bytes. function excessivelySafeStaticCall( address _target, uint256 _gas, uint16 _maxCopy, bytes memory _calldata ) internal view returns (bool, bytes memory) { // set up for assembly call uint256 _toCopy; bool _success; bytes memory _returnData = new bytes(_maxCopy); // dispatch message to recipient // by assembly calling "handle" function // we call via assembly to avoid memcopying a very large returndata // returned by a malicious contract assembly { _success := staticcall( _gas, // gas _target, // recipient add(_calldata, 0x20), // inloc mload(_calldata), // inlen 0, // outloc 0 // outlen ) // limit our copy to 256 bytes _toCopy := returndatasize() if gt(_toCopy, _maxCopy) { _toCopy := _maxCopy } // Store the length of the copied bytes mstore(_returnData, _toCopy) // copy the bytes from returndata[0:_toCopy] returndatacopy(add(_returnData, 0x20), 0, _toCopy) } return (_success, _returnData); } /** * @notice Swaps function selectors in encoded contract calls * @dev Allows reuse of encoded calldata for functions with identical * argument types but different names. It simply swaps out the first 4 bytes * for the new selector. This function modifies memory in place, and should * only be used with caution. * @param _newSelector The new 4-byte selector * @param _buf The encoded contract args */ function swapSelector(bytes4 _newSelector, bytes memory _buf) internal pure { require(_buf.length >= 4); uint256 _mask = LOW_28_MASK; assembly { // load the first word of let _word := mload(add(_buf, 0x20)) // mask out the top 4 bytes // /x _word := and(_word, _mask) _word := or(_newSelector, _word) mstore(add(_buf, 0x20), _word) } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; import {OperatorFilterer} from "./OperatorFilterer.sol"; import {CANONICAL_CORI_SUBSCRIPTION} from "./lib/Constants.sol"; /** * @title DefaultOperatorFilterer * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription. * @dev Please note that if your token contract does not provide an owner with EIP-173, it must provide * administration methods on the contract itself to interact with the registry otherwise the subscription * will be locked to the options set during construction. */ abstract contract DefaultOperatorFilterer is OperatorFilterer { /// @dev The constructor that is called when the contract is being deployed. constructor() OperatorFilterer(CANONICAL_CORI_SUBSCRIPTION, true) {} }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; interface IOperatorFilterRegistry { /** * @notice Returns true if operator is not filtered for a given token, either by address or codeHash. Also returns * true if supplied registrant address is not registered. */ function isOperatorAllowed(address registrant, address operator) external view returns (bool); /** * @notice Registers an address with the registry. May be called by address itself or by EIP-173 owner. */ function register(address registrant) external; /** * @notice Registers an address with the registry and "subscribes" to another address's filtered operators and codeHashes. */ function registerAndSubscribe(address registrant, address subscription) external; /** * @notice Registers an address with the registry and copies the filtered operators and codeHashes from another * address without subscribing. */ function registerAndCopyEntries(address registrant, address registrantToCopy) external; /** * @notice Unregisters an address with the registry and removes its subscription. May be called by address itself or by EIP-173 owner. * Note that this does not remove any filtered addresses or codeHashes. * Also note that any subscriptions to this registrant will still be active and follow the existing filtered addresses and codehashes. */ function unregister(address addr) external; /** * @notice Update an operator address for a registered address - when filtered is true, the operator is filtered. */ function updateOperator(address registrant, address operator, bool filtered) external; /** * @notice Update multiple operators for a registered address - when filtered is true, the operators will be filtered. Reverts on duplicates. */ function updateOperators(address registrant, address[] calldata operators, bool filtered) external; /** * @notice Update a codeHash for a registered address - when filtered is true, the codeHash is filtered. */ function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external; /** * @notice Update multiple codeHashes for a registered address - when filtered is true, the codeHashes will be filtered. Reverts on duplicates. */ function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external; /** * @notice Subscribe an address to another registrant's filtered operators and codeHashes. Will remove previous * subscription if present. * Note that accounts with subscriptions may go on to subscribe to other accounts - in this case, * subscriptions will not be forwarded. Instead the former subscription's existing entries will still be * used. */ function subscribe(address registrant, address registrantToSubscribe) external; /** * @notice Unsubscribe an address from its current subscribed registrant, and optionally copy its filtered operators and codeHashes. */ function unsubscribe(address registrant, bool copyExistingEntries) external; /** * @notice Get the subscription address of a given registrant, if any. */ function subscriptionOf(address addr) external returns (address registrant); /** * @notice Get the set of addresses subscribed to a given registrant. * Note that order is not guaranteed as updates are made. */ function subscribers(address registrant) external returns (address[] memory); /** * @notice Get the subscriber at a given index in the set of addresses subscribed to a given registrant. * Note that order is not guaranteed as updates are made. */ function subscriberAt(address registrant, uint256 index) external returns (address); /** * @notice Copy filtered operators and codeHashes from a different registrantToCopy to addr. */ function copyEntriesOf(address registrant, address registrantToCopy) external; /** * @notice Returns true if operator is filtered by a given address or its subscription. */ function isOperatorFiltered(address registrant, address operator) external returns (bool); /** * @notice Returns true if the hash of an address's code is filtered by a given address or its subscription. */ function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool); /** * @notice Returns true if a codeHash is filtered by a given address or its subscription. */ function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool); /** * @notice Returns a list of filtered operators for a given address or its subscription. */ function filteredOperators(address addr) external returns (address[] memory); /** * @notice Returns the set of filtered codeHashes for a given address or its subscription. * Note that order is not guaranteed as updates are made. */ function filteredCodeHashes(address addr) external returns (bytes32[] memory); /** * @notice Returns the filtered operator at the given index of the set of filtered operators for a given address or * its subscription. * Note that order is not guaranteed as updates are made. */ function filteredOperatorAt(address registrant, uint256 index) external returns (address); /** * @notice Returns the filtered codeHash at the given index of the list of filtered codeHashes for a given address or * its subscription. * Note that order is not guaranteed as updates are made. */ function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32); /** * @notice Returns true if an address has registered */ function isRegistered(address addr) external returns (bool); /** * @dev Convenience method to compute the code hash of an arbitrary contract */ function codeHashOf(address addr) external returns (bytes32); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.17; address constant CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS = 0x000000000000AAeB6D7670E522A718067333cd4E; address constant CANONICAL_CORI_SUBSCRIPTION = 0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6;
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol"; import {CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS} from "./lib/Constants.sol"; /** * @title OperatorFilterer * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another * registrant's entries in the OperatorFilterRegistry. * @dev This smart contract is meant to be inherited by token contracts so they can use the following: * - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods. * - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods. * Please note that if your token contract does not provide an owner with EIP-173, it must provide * administration methods on the contract itself to interact with the registry otherwise the subscription * will be locked to the options set during construction. */ abstract contract OperatorFilterer { /// @dev Emitted when an operator is not allowed. error OperatorNotAllowed(address operator); IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY = IOperatorFilterRegistry(CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS); /// @dev The constructor that is called when the contract is being deployed. constructor(address subscriptionOrRegistrantToCopy, bool subscribe) { // If an inheriting token contract is deployed to a network without the registry deployed, the modifier // will not revert, but the contract will need to be registered with the registry once it is deployed in // order for the modifier to filter addresses. if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) { if (subscribe) { OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy); } else { if (subscriptionOrRegistrantToCopy != address(0)) { OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy); } else { OPERATOR_FILTER_REGISTRY.register(address(this)); } } } } /** * @dev A helper function to check if an operator is allowed. */ modifier onlyAllowedOperator(address from) virtual { // Allow spending tokens from addresses with balance // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred // from an EOA. if (from != msg.sender) { _checkFilterOperator(msg.sender); } _; } /** * @dev A helper function to check if an operator approval is allowed. */ modifier onlyAllowedOperatorApproval(address operator) virtual { _checkFilterOperator(operator); _; } /** * @dev A helper function to check if an operator is allowed. */ function _checkFilterOperator(address operator) internal view virtual { // Check registry code length to facilitate testing in environments without a deployed registry. if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) { // under normal circumstances, this function will revert rather than return false, but inheriting contracts // may specify their own OperatorFilterRegistry implementations, which may behave differently if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) { revert OperatorNotAllowed(operator); } } } }
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A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.