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Contract Name:
Orchestrator
Compiler Version
v0.8.17+commit.8df45f5f
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.17; import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; import "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol"; import "./BaseBitContract.sol"; import "./BaseBitContractSoulbound.sol"; import "./interface/IEventEmitter.sol"; /** * @notice Orchestrator centralizes and directs BIT admin token requests to appropriate smart contracts. * @dev Orchestrator helps to register multiple VDT contracts by their names and addresses * @dev https://blackink.atlassian.net/wiki/spaces/BITDEV/pages/497582081/BIT+Orchestrator+Approach */ contract Orchestrator is Initializable, PausableUpgradeable, AccessControlUpgradeable, IBaseOrchestrator { /// @dev Address representing the zero address, often used to signify a null or invalid address address internal constant ZERO_ADDRESS = address(0); /// @dev Role identifier for administrators, used in access control bytes32 public constant ADMIN_ROLE = keccak256("ADMIN_ROLE"); /// @dev Array of strings representing the names of VDT contracts string[] public vdtContracts; /// @dev Mapping from VDT contract names to their corresponding addresses mapping (string => address) public vdtContractNames; struct VDTDetail { address user; address seller; string vdtMetadata; string vdtName; string vdtType; bool isLazy; } /** * @dev Interface for the event emitter contract. */ IEventEmitter public _eventEmitter; /** * @notice Initializes the contract by setting up roles and initializing parent contracts * @dev This function should be called only once */ function initialize() public initializer { __Pausable_init(); __AccessControl_init(); _setupRole(DEFAULT_ADMIN_ROLE, _msgSender()); _setupRole(ADMIN_ROLE, _msgSender()); } /** * @notice Modifier to check if the caller has admin role * @dev Reverts if the caller does not have the admin role */ modifier isAdmin() { require(hasRole(ADMIN_ROLE, msg.sender), "Orchestrator: Caller is not an admin"); _; } /** * @notice Set the eventEmitter address in the smart contract. * @param eventEmitter Address of the event emitter smart contract. */ function setEventEmitter(address eventEmitter) external isAdmin whenNotPaused { require(IEventEmitter(eventEmitter) != IEventEmitter(_eventEmitter), "Orchestrator: eventEmitter is same as current address"); require(eventEmitter != ZERO_ADDRESS, "Orchestrator: eventEmitter is the zero address"); _eventEmitter = IEventEmitter(eventEmitter); } /** * @notice Registers multiple VDT contracts by their names and addresses * @dev Only admin can call this function when the contract is not paused * @param vdtContractName Array of VDT contract names * @param vdtContractAddress Array of VDT contract addresses */ function registerVDTByName( string[] memory vdtContractName, address[] memory vdtContractAddress ) external isAdmin whenNotPaused { require(vdtContractName.length == vdtContractAddress.length, "Orchestrator: Array length mismatch"); require(vdtContractName.length != 0, "Orchestrator: Zero contracts name and address"); for (uint256 index = 0; index < vdtContractName.length; index++) { vdtContractNames[vdtContractName[index]] = vdtContractAddress[index]; vdtContracts.push(vdtContractName[index]); } } /** * @notice Mints a new NFT * @dev Mints a new NFT and finally transfers it to `consumerRecipient` * @param vdtContractName The name of the VDT contract * @param businessRecipient The address to the business recipient * @param consumerRecipient The address to the consumer recipient * @param nftTokenURI The URI of the NFT metadata * @return tokenId The token ID of the minted NFT */ function mintVDT( string memory vdtContractName, address businessRecipient, address consumerRecipient, string memory nftTokenURI ) external isAdmin whenNotPaused returns (uint256 tokenId) { require(businessRecipient != ZERO_ADDRESS, "Orchestrator: Business recipient is the zero address"); require(consumerRecipient != ZERO_ADDRESS, "Orchestrator: Consumer recipient is the zero address"); require(bytes(nftTokenURI).length > 0, "Orchestrator: NFT token URI is empty"); BaseBitContract vdtAddress = BaseBitContract(vdtContractNames[vdtContractName]); tokenId = vdtAddress.mintNFT(businessRecipient, consumerRecipient, nftTokenURI); _eventEmitter.emitVDTMintedEvent(address(vdtAddress), businessRecipient, consumerRecipient, nftTokenURI, tokenId); } /** * @notice Mints a new NFT * @dev Mints a new NFT and finally transfers it to `consumerRecipient` * @param vdtContractName The name of the VDT contract * @param businessRecipient The address to the business recipient * @param sellerRecipient The address to the seller recipient * @param consumerRecipient The address to the consumer recipient * @param nftTokenURI The URI of the NFT metadata * @return tokenId The token ID of the minted NFT */ function mintVDT( string memory vdtContractName, address businessRecipient, address sellerRecipient, address consumerRecipient, string memory nftTokenURI ) external isAdmin whenNotPaused returns (uint256 tokenId) { require(businessRecipient != ZERO_ADDRESS, "Orchestrator: Business recipient is the zero address"); require(sellerRecipient != ZERO_ADDRESS, "Orchestrator: Seller recipient is the zero address"); require(consumerRecipient != ZERO_ADDRESS, "Orchestrator: Consumer recipient is the zero address"); require(bytes(nftTokenURI).length > 0, "Orchestrator: NFT token URI is empty"); BaseBitContract vdtAddress = BaseBitContract(vdtContractNames[vdtContractName]); tokenId = vdtAddress.mintNFT(businessRecipient, sellerRecipient, consumerRecipient, nftTokenURI); _eventEmitter.emitServiceVDTMintedEvent(address(vdtAddress), businessRecipient, sellerRecipient, consumerRecipient, nftTokenURI, tokenId); } /** * @notice Mints a new NFT * @dev Mints a new NFT and finally transfers it to `consumerRecipient` * @param vdtContractName The name of the VDT contract * @param businessRecipient The address to the business recipient * @param sellerRecipient The address to the seller recipient * @param nftTokenURI The URI of the NFT metadata * @param vdtType The type of the NFT * @return tokenId The token ID of the minted NFT */ function mintVDT( string memory vdtContractName, address businessRecipient, address sellerRecipient, string memory nftTokenURI, string memory vdtType ) external isAdmin whenNotPaused returns (uint256 tokenId) { require(businessRecipient != ZERO_ADDRESS, "Orchestrator: Business recipient is the zero address"); require(sellerRecipient != ZERO_ADDRESS, "Orchestrator: Seller recipient is the zero address"); require(bytes(nftTokenURI).length > 0, "Orchestrator: NFT token URI is empty"); require(bytes(vdtType).length > 0, "Orchestrator: Type is empty"); BaseBitContract vdtAddress = BaseBitContract(vdtContractNames[vdtContractName]); tokenId = vdtAddress.mintNFT(businessRecipient, sellerRecipient, nftTokenURI, vdtType); _eventEmitter.emitVDTMintedEvent(address(vdtAddress), businessRecipient, sellerRecipient, nftTokenURI, tokenId); } /** * @notice Updates the token URI of a specific NFT * @dev Updates the token URI if it is different from the current one * @param vdtContractName The name of the VDT contract * @param tokenId The ID of the token to update * @param nftTokenURI The new URI of the NFT metadata * @return tokenURIupdated boolean indicating if the update was successful */ function updateTokenURI( string memory vdtContractName, uint256 tokenId, string memory nftTokenURI ) external isAdmin whenNotPaused returns (bool tokenURIupdated) { require(bytes(nftTokenURI).length > 0, "Orchestrator: NFT token URI is empty"); BaseBitContract vdtAddress = BaseBitContract(vdtContractNames[vdtContractName]); string memory currentTokenURI = vdtAddress.tokenURI(tokenId); require(keccak256(abi.encodePacked(currentTokenURI)) != keccak256(abi.encodePacked(nftTokenURI)), "Orchestrator: New token URI is the same as the current one"); tokenURIupdated = vdtAddress.updateTokenURI(tokenId, nftTokenURI); require(tokenURIupdated, "Orchestrator: Token URI update failed"); _eventEmitter.emitTokenURIUpdatedEvent(address(vdtAddress), nftTokenURI, tokenId); } /** * @notice Mint multiple VDT tokens and transfer them to the specified user address * @dev Mints VDT tokens by iterating over the provided VDT details and emits an event with the minted token details * @param vdtDetails An array of VDTDetail structs containing the details for each VDT to be minted * @param businessRecipient The address of the business recipient to receive the minted VDT tokens */ function multiVDT(VDTDetail[] memory vdtDetails, address businessRecipient) external isAdmin whenNotPaused { require(businessRecipient != ZERO_ADDRESS, "Orchestrator: Business recipient is the zero address"); uint256 length = vdtDetails.length; require(length > 0, "Orchestrator: No VDT details provided"); VDTTokenDetail[] memory vdtTokenDetails = new VDTTokenDetail[](length); for (uint256 index = 0; index < length; index++) { VDTDetail memory vdtDetail = vdtDetails[index]; require(vdtDetail.user != ZERO_ADDRESS, "Orchestrator: Seller recipient is the zero address"); require(bytes(vdtDetail.vdtMetadata).length > 0, "Orchestrator: NFT token URI is empty"); address vdtContractAddress = vdtContractNames[vdtDetail.vdtName]; require(vdtContractAddress != address(0), "Orchestrator: Invalid VDT contract"); BaseBitContract vdtContract = BaseBitContract(vdtContractAddress); uint256 tokenIdVDT; if (vdtDetail.isLazy) { tokenIdVDT = vdtContract.mintNFT(businessRecipient, vdtDetail.seller, vdtDetail.user, vdtDetail.vdtMetadata); } else { tokenIdVDT = bytes(vdtDetail.vdtType).length > 0 ? vdtContract.mintNFT(businessRecipient, vdtDetail.user, vdtDetail.vdtMetadata, vdtDetail.vdtType) : vdtContract.mintNFT(businessRecipient, vdtDetail.user, vdtDetail.vdtMetadata); } vdtTokenDetails[index] = VDTTokenDetail({ user: vdtDetail.user, vdtContract: vdtContractAddress, vdtId: tokenIdVDT, vdtName: vdtDetail.vdtName, metadataURI: vdtDetail.vdtMetadata }); } _eventEmitter.emitMultiVDTCreated(vdtTokenDetails); } /** * @dev Function to transfer the VDT after transfer to the buyer address * @param from The address which previously owned the token * @param to The address that will receive the token * @param tokenId The token ID that will be transferred */ function transferFrom( string memory vdtContractName, address from, address to, uint256 tokenId ) public isAdmin whenNotPaused { require(from != ZERO_ADDRESS, "Orchestrator: from address is the zero address"); require(to != ZERO_ADDRESS, "Orchestrator: to address is the zero address"); require(tokenId != 0, "Orchestrator: Zero tokenId"); BaseBitContract vdtAddress = BaseBitContract(vdtContractNames[vdtContractName]); require(vdtAddress.ownerOf(tokenId) == from, "Orchestrator: caller is not owner"); vdtAddress.transferFrom(from, to, tokenId); _eventEmitter.emitVDTTransferEvent(address(vdtAddress), from, to, tokenId); } /** * @dev Function to list a VDT. * @param vdtContractName The name of the VDT contract * @param listingId The unique identifier for the listing * @param to The address that will receive the token * @param tokenId The ID of the token to be transferred */ function listVDT( string memory vdtContractName, string memory listingId, address to, uint256 tokenId ) external whenNotPaused { require(to != ZERO_ADDRESS, "Orchestrator: Business recipient is the zero address"); require(tokenId != 0, "Orchestrator: Zero tokenId"); transferFrom(vdtContractName, _msgSender(), to, tokenId); _eventEmitter.emitListVDT(vdtContractName, vdtContractNames[vdtContractName], listingId, _msgSender(), to, tokenId); } /** * @notice Pauses the contract * @dev Only admin can call this function when the contract is not paused */ function pause() external isAdmin whenNotPaused { _pause(); } /** * @notice Unpauses the contract * @dev Only admin can call this function when the contract is paused */ function unpause() external isAdmin whenPaused { _unpause(); } function isStringEmpty(string memory str) public pure returns (bool) { return bytes(str).length == 0; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.17; import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721EnumerableUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721URIStorageUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/utils/CountersUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol"; // ReentrancyGuard contract to prevent reentrant calls contract BaseBitContract is Initializable, ERC721Upgradeable, ERC721EnumerableUpgradeable, ERC721URIStorageUpgradeable, OwnableUpgradeable, ReentrancyGuardUpgradeable, AccessControlUpgradeable { address public constant ZERO_ADDRESS = address(0); bytes32 public constant ADMIN_ROLE = keccak256("ADMIN_ROLE"); address public orchestrator; event OrchestratorUpdated(address contractAddress, address newOrchestrator); /** * @dev Modifier to restrict access to only the orchestrator. */ modifier onlyOrchestrator() { require(_msgSender() == orchestrator, "BaseBitContract: Caller is not orchestrator"); _; } /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection * @param name_ Name of the token * @param symbol_ Symbol of the token */ function __BaseBitContract_init(string memory name_, string memory symbol_, address orchestrator_) internal initializer { __ERC721_init(name_, symbol_); __ERC721Enumerable_init(); __ERC721URIStorage_init(); __Ownable_init(); __ReentrancyGuard_init(); __AccessControl_init(); orchestrator = orchestrator_; _setupRole(DEFAULT_ADMIN_ROLE, _msgSender()); _setupRole(ADMIN_ROLE, _msgSender()); } /** * @notice Mints a new NFT * @dev Mints a new NFT and finally transfers it to `consumerRecipient` * @param businessRecipient The address to the business recipient * @param consumerRecipient The address to the consumer recipient * @param nftTokenURI The URI of the NFT metadata * @return The token ID of the minted NFT */ function mintNFT( address businessRecipient, address consumerRecipient, string memory nftTokenURI ) external virtual returns (uint256) {} /** * @notice Mints a new NFT * @dev Mints a new NFT and finally transfers it to `buyerRecipient` * @param businessRecipient The address to the business recipient * @param sellerRecipient The address to the seller recipient * @param buyerRecipient The address to the buyer recipient * @param nftTokenURI The URI of the NFT metadata * @return The token ID of the minted NFT */ function mintNFT( address businessRecipient, address sellerRecipient, address buyerRecipient, string memory nftTokenURI ) external virtual returns (uint256) {} /** * @notice Mints a new NFT * @dev Mints a new NFT and finally transfers it to `consumerRecipient` * @param businessRecipient The address to the business recipient * @param sellerRecipient The address to the seller recipient * @param nftTokenURI The URI of the NFT metadata * @param vdtType The type of the NFT * @return tokenId The token ID of the minted NFT */ function mintNFT( address businessRecipient, address sellerRecipient, string memory nftTokenURI, string memory vdtType ) external virtual returns (uint256) {} /** * @notice Updates the URI of a specific token * @dev Updates the URI of the token with `tokenId` * @param tokenId The ID of the token to update * @param nftTokenURI The new URI of the NFT metadata * @return A boolean indicating whether the update was successful */ function updateTokenURI( uint256 tokenId, string memory nftTokenURI ) external virtual returns (bool) {} /** * @dev Hook that is called before any token transfer. This includes minting and burning. * @param from The address which previously owned the token * @param to The address that will receive the token * @param tokenId The token ID that will be transferred */ function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual override(ERC721Upgradeable, ERC721EnumerableUpgradeable) { super._beforeTokenTransfer(from, to, tokenId); } /** * @dev Burns a specific token * @param tokenId The ID of the token to burn */ function _burn(uint256 tokenId) internal override(ERC721Upgradeable, ERC721URIStorageUpgradeable) { super._burn(tokenId); } /** * @notice Returns the URI of a specific token * @dev Returns the URI of the token with `tokenId` * @param tokenId The ID of the token * @return The URI of the token */ function tokenURI(uint256 tokenId) public view override(ERC721Upgradeable, ERC721URIStorageUpgradeable) returns (string memory) { return super.tokenURI(tokenId); } /** * @notice Checks if a given interface is supported by the contract * @dev Checks if the contract implements an interface with `interfaceId` * @param interfaceId The interface identifier, as specified in ERC-165 * @return `true` if the contract implements `interfaceId` */ function supportsInterface(bytes4 interfaceId) public view override(ERC721Upgradeable, ERC721EnumerableUpgradeable, AccessControlUpgradeable) returns (bool) { return super.supportsInterface(interfaceId); } function setOrchestrator(address newOrchestrator) external { require(hasRole(ADMIN_ROLE, _msgSender()), "BaseBitContract: Caller is not admin"); orchestrator = newOrchestrator; emit OrchestratorUpdated(address(this), orchestrator); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.17; import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721EnumerableUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721URIStorageUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/utils/CountersUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol"; // ReentrancyGuard contract to prevent reentrant calls contract BaseBitContractSoulbound is Initializable, ERC721Upgradeable, ERC721EnumerableUpgradeable, ERC721URIStorageUpgradeable, OwnableUpgradeable, ReentrancyGuardUpgradeable, AccessControlUpgradeable { address public constant ZERO_ADDRESS = address(0); bytes32 public constant ADMIN_ROLE = keccak256("ADMIN_ROLE"); address public orchestrator; event OrchestratorUpdated(address contractAddress, address newOrchestrator); /** * @dev Modifier to restrict access to only the orchestrator. */ modifier onlyOrchestrator() { require(_msgSender() == orchestrator, "BaseBitContractSoulbound: Caller is not orchestrator"); _; } /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection * @param name_ Name of the token * @param symbol_ Symbol of the token */ function __BaseBitContractSoulbound_init(string memory name_, string memory symbol_, address orchestrator_) internal initializer { __ERC721_init(name_, symbol_); __ERC721Enumerable_init(); __ERC721URIStorage_init(); __Ownable_init(); __ReentrancyGuard_init(); __AccessControl_init(); orchestrator = orchestrator_; _setupRole(DEFAULT_ADMIN_ROLE, _msgSender()); _setupRole(ADMIN_ROLE, _msgSender()); } /** * @notice Mints a new NFT * @dev Mints a new NFT and finally transfers it to `consumerRecipient` * @param businessRecipient The address to the business recipient * @param consumerRecipient The address to the consumer recipient * @param nftTokenURI The URI of the NFT metadata * @return The token ID of the minted NFT */ function mintNFT( address businessRecipient, address consumerRecipient, string memory nftTokenURI ) external virtual returns (uint256) {} /** * @notice Mints a new NFT * @dev Mints a new NFT and finally transfers it to `buyerRecipient` * @param businessRecipient The address to the business recipient * @param sellerRecipient The address to the seller recipient * @param buyerRecipient The address to the buyer recipient * @param nftTokenURI The URI of the NFT metadata * @return The token ID of the minted NFT */ function mintNFT( address businessRecipient, address sellerRecipient, address buyerRecipient, string memory nftTokenURI ) external virtual returns (uint256) {} /** * @notice Updates the URI of a specific token * @dev Updates the URI of the token with `tokenId` * @param tokenId The ID of the token to update * @param nftTokenURI The new URI of the NFT metadata * @return A boolean indicating whether the update was successful */ function updateTokenURI( uint256 tokenId, string memory nftTokenURI ) external virtual returns (bool) {} /** * @dev Hook that is called before any token transfer. This includes minting and burning. * @param from The address which previously owned the token * @param to The address that will receive the token * @param tokenId The token ID that will be transferred */ function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal override(ERC721Upgradeable, ERC721EnumerableUpgradeable) { require(from == address(0) || to == address(0) || hasRole(ADMIN_ROLE, from), "BaseBitContractSoulbound: Transfers are not allowed"); super._beforeTokenTransfer(from, to, tokenId); } /** * @dev Burns a specific token * @param tokenId The ID of the token to burn */ function _burn(uint256 tokenId) internal override(ERC721Upgradeable, ERC721URIStorageUpgradeable) { super._burn(tokenId); } /** * @notice Returns the URI of a specific token * @dev Returns the URI of the token with `tokenId` * @param tokenId The ID of the token * @return The URI of the token */ function tokenURI(uint256 tokenId) public view override(ERC721Upgradeable, ERC721URIStorageUpgradeable) returns (string memory) { return super.tokenURI(tokenId); } /** * @notice Checks if a given interface is supported by the contract * @dev Checks if the contract implements an interface with `interfaceId` * @param interfaceId The interface identifier, as specified in ERC-165 * @return `true` if the contract implements `interfaceId` */ function supportsInterface(bytes4 interfaceId) public view override(ERC721Upgradeable, ERC721EnumerableUpgradeable, AccessControlUpgradeable) returns (bool) { return super.supportsInterface(interfaceId); } function setOrchestrator(address newOrchestrator) external { require(hasRole(ADMIN_ROLE, _msgSender()), "BaseBitContractSoulbound: Caller is not admin"); orchestrator = newOrchestrator; emit OrchestratorUpdated(address(this), orchestrator); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.17; import "./IBase.sol"; import "./IBaseOrchestrator.sol"; interface IEventEmitter is IBase, IBaseOrchestrator { /** * @notice Emits the InitLedger event with the provided keys, values, unique secret and signature.. * @param keys An array of string keys to be logged in the event. * @param values An array of string values corresponding to the keys to be logged in the event. * @param uniqueSecret The unique secret used to validate the signature. * @param signature A cryptographic signature used to validate the caller. */ function emitInitLedgerEvent(string[] memory keys, string[] memory values, uint256 uniqueSecret, bytes memory signature) external; /** * @notice Emits the UpdateLedger event event with the provided keys, values, unique secret, and signature.. * @param keys An array of string keys to be logged in the event. * @param values An array of string values corresponding to the keys to be logged in the event. * @param uniqueSecret The unique secret used to validate the signature. * @param signature A cryptographic signature used to validate the caller. */ function emitUpdateLedgerEvent(string[] memory keys, string[] memory values, uint256 uniqueSecret, bytes memory signature) external; /** * @notice Emits the LockLedger event with the provided lock status, unique secret and signature.. * @param isLocked A boolean indicating whether the ledger is locked or not. * @param uniqueSecret The unique secret used to validate the signature. * @param signature A cryptographic signature used to validate the caller. */ function emitLedgerLockEvent(bool isLocked, uint256 uniqueSecret, bytes memory signature) external; /** * @notice Emits the NewRuleAdded event with the provided rule keys, values, unique secret, signature.. * @param rule The rules which is newly added. * @param uniqueSecret The unique secret used to validate the signature. * @param signature A cryptographic signature used to validate the caller. */ function emitNewRuleAddedEvent(Rule[] memory rule, uint256 uniqueSecret, bytes memory signature) external; /** * @notice Emits the FullPaymentDisbursed event for the given listing ID. * @param listingId The unique identifier for the listing for which the event is emitted. * @param uniqueSecret The unique secret used to validate the signature. * @param signature A cryptographic signature to validate the caller. */ function emitFullPaymentDisbursedEvent(string memory listingId, uint256 uniqueSecret, bytes memory signature) external; /** * @notice Emits the Delisted event for the given listing ID. * @param listingId The unique identifier for the listing that is being delisted. * @param uniqueSecret The unique secret used to validate the signature. * @param signature A cryptographic signature to validate the caller. */ function emitDelistedEvent(string memory listingId, uint256 uniqueSecret, bytes memory signature) external; /** * @notice Emits the RuleDisbursed event for the given rule ID. * @param ruleId The unique identifier for the rule for which the event is emitted. * @param uniqueSecret The unique secret used to validate the signature. * @param signature A cryptographic signature to validate the caller. */ function emitRulePaymentDisbursedEvent(uint256 ruleId, uint256 uniqueSecret, bytes memory signature) external; /** * @notice Emits the VDTMinted event with the VDT details. * @param vdtContractAddress The address of the VDT contract * @param businessRecipient The address to the business recipient * @param consumerRecipient The address to the consumer recipient * @param nftTokenURI The URI of the NFT metadata * @param tokenId The token ID of the minted NFT */ function emitVDTMintedEvent(address vdtContractAddress, address businessRecipient, address consumerRecipient, string memory nftTokenURI, uint256 tokenId) external; /** * @notice Emits the VDTMinted event with the VDT details. * @param vdtContractAddress The address of the VDT contract * @param businessRecipient The address to the business recipient * @param sellerRecipient The address to the seller recipient * @param consumerRecipient The address to the consumer recipient * @param nftTokenURI The URI of the NFT metadata * @param tokenId The token ID of the minted NFT */ function emitServiceVDTMintedEvent(address vdtContractAddress, address businessRecipient, address sellerRecipient, address consumerRecipient, string memory nftTokenURI, uint256 tokenId) external; /** * @notice Emits the TokenURIUpdated event with the new tokenURI details. * @param vdtContractAddress The address of the VDT contract * @param tokenId The ID of the token to update * @param nftTokenURI The new URI of the NFT metadata */ function emitTokenURIUpdatedEvent(address vdtContractAddress, string memory nftTokenURI, uint256 tokenId) external; /** * @notice Emits the VDTCreated event with the VDT details. * @param VDTTokenDetails The details of the VDTs created. */ function emitMultiVDTCreated(VDTTokenDetail[] memory VDTTokenDetails) external; /** * @notice Emits the VDTTransfer event with the VDT details. * @param vdtContractAddress The address of the VDT contract * @param from The address of the sender * @param to The address of the recipient * @param tokenId The token Id of the token transferred */ function emitVDTTransferEvent(address vdtContractAddress, address from, address to, uint256 tokenId) external; /** * @notice Emits the ListVDT event with the provided data. * @param vdtName The name of the VDT to be logged in the event. * @param vdtAddress The address of the VDT to be logged in the event. * @param listingId The unique identifier for the listing for which the event is emitted. * @param from The address from which the VDT is being transferred. * @param to The address to which the VDT is being transferred. * @param tokenId The unique identifier of the token being transferred. */ function emitListVDT(string memory vdtName, address vdtAddress, string memory listingId, address from, address to, uint256 tokenId) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/AccessControl.sol) pragma solidity ^0.8.0; import "./IAccessControlUpgradeable.sol"; import "../utils/ContextUpgradeable.sol"; import "../utils/StringsUpgradeable.sol"; import "../utils/introspection/ERC165Upgradeable.sol"; import "../proxy/utils/Initializable.sol"; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. This is a lightweight version that doesn't allow enumerating role * members except through off-chain means by accessing the contract event logs. Some * applications may benefit from on-chain enumerability, for those cases see * {AccessControlEnumerable}. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ``` * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * 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 AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable { function __AccessControl_init() internal onlyInitializing { } function __AccessControl_init_unchained() internal onlyInitializing { } 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})$/ * * _Available since v4.1._ */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual override returns (bool) { return _roles[role].members[account]; } /** * @dev Revert with a standard message if `_msgSender()` is missing `role`. * Overriding this function changes the behavior of the {onlyRole} modifier. * * Format of the revert message is described in {_checkRole}. * * _Available since v4.6._ */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Revert with a standard message if `account` is missing `role`. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert( string( abi.encodePacked( "AccessControl: account ", StringsUpgradeable.toHexString(uint160(account), 20), " is missing role ", StringsUpgradeable.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()); } } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol) pragma solidity ^0.8.0; import "../utils/ContextUpgradeable.sol"; import "../proxy/utils/Initializable.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 PausableUpgradeable is Initializable, ContextUpgradeable { /** * @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. */ function __Pausable_init() internal onlyInitializing { __Pausable_init_unchained(); } function __Pausable_init_unchained() internal onlyInitializing { _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()); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol) pragma solidity ^0.8.2; import "../../utils/AddressUpgradeable.sol"; /** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in * case an upgrade adds a module that needs to be initialized. * * For example: * * [.hljs-theme-light.nopadding] * ``` * contract MyToken is ERC20Upgradeable { * function initialize() initializer public { * __ERC20_init("MyToken", "MTK"); * } * } * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable { * function initializeV2() reinitializer(2) public { * __ERC20Permit_init("MyToken"); * } * } * ``` * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() { * _disableInitializers(); * } * ``` * ==== */ abstract contract Initializable { /** * @dev Indicates that the contract has been initialized. * @custom:oz-retyped-from bool */ uint8 private _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private _initializing; /** * @dev Triggered when the contract has been initialized or reinitialized. */ event Initialized(uint8 version); /** * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope, * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`. */ modifier initializer() { bool isTopLevelCall = !_initializing; require( (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1), "Initializable: contract is already initialized" ); _initialized = 1; if (isTopLevelCall) { _initializing = true; } _; if (isTopLevelCall) { _initializing = false; emit Initialized(1); } } /** * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be * used to initialize parent contracts. * * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original * initialization step. This is essential to configure modules that are added through upgrades and that require * initialization. * * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in * a contract, executing them in the right order is up to the developer or operator. */ modifier reinitializer(uint8 version) { require(!_initializing && _initialized < version, "Initializable: contract is already initialized"); _initialized = version; _initializing = true; _; _initializing = false; emit Initialized(version); } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} and {reinitializer} modifiers, directly or indirectly. */ modifier onlyInitializing() { require(_initializing, "Initializable: contract is not initializing"); _; } /** * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call. * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized * to any version. It is recommended to use this to lock implementation contracts that are designed to be called * through proxies. */ function _disableInitializers() internal virtual { require(!_initializing, "Initializable: contract is initializing"); if (_initialized < type(uint8).max) { _initialized = type(uint8).max; emit Initialized(type(uint8).max); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/ContextUpgradeable.sol"; import "../proxy/utils/Initializable.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * 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 OwnableUpgradeable is Initializable, ContextUpgradeable { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ function __Ownable_init() internal onlyInitializing { __Ownable_init_unchained(); } function __Ownable_init_unchained() internal onlyInitializing { _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); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; import "../proxy/utils/Initializable.sol"; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuardUpgradeable is Initializable { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; function __ReentrancyGuard_init() internal onlyInitializing { __ReentrancyGuard_init_unchained(); } function __ReentrancyGuard_init_unchained() internal onlyInitializing { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Counters.sol) pragma solidity ^0.8.0; /** * @title Counters * @author Matt Condon (@shrugs) * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number * of elements in a mapping, issuing ERC721 ids, or counting request ids. * * Include with `using Counters for Counters.Counter;` */ library CountersUpgradeable { struct Counter { // This variable should never be directly accessed by users of the library: interactions must be restricted to // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add // this feature: see https://github.com/ethereum/solidity/issues/4637 uint256 _value; // default: 0 } function current(Counter storage counter) internal view returns (uint256) { return counter._value; } function increment(Counter storage counter) internal { unchecked { counter._value += 1; } } function decrement(Counter storage counter) internal { uint256 value = counter._value; require(value > 0, "Counter: decrement overflow"); unchecked { counter._value = value - 1; } } function reset(Counter storage counter) internal { counter._value = 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; import "./IERC721Upgradeable.sol"; import "./IERC721ReceiverUpgradeable.sol"; import "./extensions/IERC721MetadataUpgradeable.sol"; import "../../utils/AddressUpgradeable.sol"; import "../../utils/ContextUpgradeable.sol"; import "../../utils/StringsUpgradeable.sol"; import "../../utils/introspection/ERC165Upgradeable.sol"; import "../../proxy/utils/Initializable.sol"; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721Upgradeable, IERC721MetadataUpgradeable { using AddressUpgradeable for address; using StringsUpgradeable for uint256; // Token name string private _name; // Token symbol string private _symbol; // 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; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ function __ERC721_init(string memory name_, string memory symbol_) internal onlyInitializing { __ERC721_init_unchained(name_, symbol_); } function __ERC721_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) { return interfaceId == type(IERC721Upgradeable).interfaceId || interfaceId == type(IERC721MetadataUpgradeable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: address zero is not a valid owner"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: invalid token ID"); 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 = ERC721Upgradeable.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not token owner nor approved for all" ); _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), "ERC721: caller is not token owner nor approved"); _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), "ERC721: caller is not token owner nor approved"); _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), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @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 _owners[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 = ERC721Upgradeable.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), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @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), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721Upgradeable.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); _afterTokenTransfer(owner, address(0), tokenId); } /** * @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(ERC721Upgradeable.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits an {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721Upgradeable.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, "ERC721: 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), "ERC721: invalid token ID"); } /** * @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 IERC721ReceiverUpgradeable(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) { return retval == IERC721ReceiverUpgradeable.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. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[44] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Enumerable.sol) pragma solidity ^0.8.0; import "../ERC721Upgradeable.sol"; import "./IERC721EnumerableUpgradeable.sol"; import "../../../proxy/utils/Initializable.sol"; /** * @dev This implements an optional extension of {ERC721} defined in the EIP that adds * enumerability of all the token ids in the contract as well as all token ids owned by each * account. */ abstract contract ERC721EnumerableUpgradeable is Initializable, ERC721Upgradeable, IERC721EnumerableUpgradeable { function __ERC721Enumerable_init() internal onlyInitializing { } function __ERC721Enumerable_init_unchained() internal onlyInitializing { } // Mapping from owner to list of owned token IDs mapping(address => mapping(uint256 => uint256)) private _ownedTokens; // Mapping from token ID to index of the owner tokens list mapping(uint256 => uint256) private _ownedTokensIndex; // Array with all token ids, used for enumeration uint256[] private _allTokens; // Mapping from token id to position in the allTokens array mapping(uint256 => uint256) private _allTokensIndex; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165Upgradeable, ERC721Upgradeable) returns (bool) { return interfaceId == type(IERC721EnumerableUpgradeable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}. */ function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) { require(index < ERC721Upgradeable.balanceOf(owner), "ERC721Enumerable: owner index out of bounds"); return _ownedTokens[owner][index]; } /** * @dev See {IERC721Enumerable-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _allTokens.length; } /** * @dev See {IERC721Enumerable-tokenByIndex}. */ function tokenByIndex(uint256 index) public view virtual override returns (uint256) { require(index < ERC721EnumerableUpgradeable.totalSupply(), "ERC721Enumerable: global index out of bounds"); return _allTokens[index]; } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` cannot be the zero address. * - `to` cannot be the zero address. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual override { super._beforeTokenTransfer(from, to, tokenId); if (from == address(0)) { _addTokenToAllTokensEnumeration(tokenId); } else if (from != to) { _removeTokenFromOwnerEnumeration(from, tokenId); } if (to == address(0)) { _removeTokenFromAllTokensEnumeration(tokenId); } else if (to != from) { _addTokenToOwnerEnumeration(to, tokenId); } } /** * @dev Private function to add a token to this extension's ownership-tracking data structures. * @param to address representing the new owner of the given token ID * @param tokenId uint256 ID of the token to be added to the tokens list of the given address */ function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private { uint256 length = ERC721Upgradeable.balanceOf(to); _ownedTokens[to][length] = tokenId; _ownedTokensIndex[tokenId] = length; } /** * @dev Private function to add a token to this extension's token tracking data structures. * @param tokenId uint256 ID of the token to be added to the tokens list */ function _addTokenToAllTokensEnumeration(uint256 tokenId) private { _allTokensIndex[tokenId] = _allTokens.length; _allTokens.push(tokenId); } /** * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for * gas optimizations e.g. when performing a transfer operation (avoiding double writes). * This has O(1) time complexity, but alters the order of the _ownedTokens array. * @param from address representing the previous owner of the given token ID * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address */ function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private { // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = ERC721Upgradeable.balanceOf(from) - 1; uint256 tokenIndex = _ownedTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary if (tokenIndex != lastTokenIndex) { uint256 lastTokenId = _ownedTokens[from][lastTokenIndex]; _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index } // This also deletes the contents at the last position of the array delete _ownedTokensIndex[tokenId]; delete _ownedTokens[from][lastTokenIndex]; } /** * @dev Private function to remove a token from this extension's token tracking data structures. * This has O(1) time complexity, but alters the order of the _allTokens array. * @param tokenId uint256 ID of the token to be removed from the tokens list */ function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private { // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = _allTokens.length - 1; uint256 tokenIndex = _allTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding // an 'if' statement (like in _removeTokenFromOwnerEnumeration) uint256 lastTokenId = _allTokens[lastTokenIndex]; _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index // This also deletes the contents at the last position of the array delete _allTokensIndex[tokenId]; _allTokens.pop(); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[46] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/extensions/ERC721URIStorage.sol) pragma solidity ^0.8.0; import "../ERC721Upgradeable.sol"; import "../../../proxy/utils/Initializable.sol"; /** * @dev ERC721 token with storage based token URI management. */ abstract contract ERC721URIStorageUpgradeable is Initializable, ERC721Upgradeable { function __ERC721URIStorage_init() internal onlyInitializing { } function __ERC721URIStorage_init_unchained() internal onlyInitializing { } using StringsUpgradeable for uint256; // Optional mapping for token URIs mapping(uint256 => string) private _tokenURIs; /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { _requireMinted(tokenId); string memory _tokenURI = _tokenURIs[tokenId]; string memory base = _baseURI(); // If there is no base URI, return the token URI. if (bytes(base).length == 0) { return _tokenURI; } // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked). if (bytes(_tokenURI).length > 0) { return string(abi.encodePacked(base, _tokenURI)); } return super.tokenURI(tokenId); } /** * @dev Sets `_tokenURI` as the tokenURI of `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual { require(_exists(tokenId), "ERC721URIStorage: URI set of nonexistent token"); _tokenURIs[tokenId] = _tokenURI; } /** * @dev See {ERC721-_burn}. This override additionally checks to see if a * token-specific URI was set for the token, and if so, it deletes the token URI from * the storage mapping. */ function _burn(uint256 tokenId) internal virtual override { super._burn(tokenId); if (bytes(_tokenURIs[tokenId]).length != 0) { delete _tokenURIs[tokenId]; } } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; import "../proxy/utils/Initializable.sol"; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract ContextUpgradeable is Initializable { function __Context_init() internal onlyInitializing { } function __Context_init_unchained() internal onlyInitializing { } function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library AddressUpgradeable { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [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 functionCall(target, data, "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"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(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) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason 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 { // 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 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControlUpgradeable { /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @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) (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library StringsUpgradeable { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @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] = _HEX_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 // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165Upgradeable.sol"; import "../../proxy/utils/Initializable.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable { function __ERC165_init() internal onlyInitializing { } function __ERC165_init_unchained() internal onlyInitializing { } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165Upgradeable).interfaceId; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165Upgradeable { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165Upgradeable.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721Upgradeable is IERC165Upgradeable { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @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: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @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 IERC721ReceiverUpgradeable { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "../IERC721Upgradeable.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721MetadataUpgradeable is IERC721Upgradeable { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol) pragma solidity ^0.8.0; import "../IERC721Upgradeable.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721EnumerableUpgradeable is IERC721Upgradeable { /** * @dev Returns the total amount of tokens stored by the contract. */ function totalSupply() external view returns (uint256); /** * @dev Returns a token ID owned by `owner` at a given `index` of its token list. * Use along with {balanceOf} to enumerate all of ``owner``'s tokens. */ function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256); /** * @dev Returns a token ID at a given `index` of all the tokens stored by the contract. * Use along with {totalSupply} to enumerate all tokens. */ function tokenByIndex(uint256 index) external view returns (uint256); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.17; /** * @title IBase * @dev Interface defining structures and enumerations for payment disbursement * and transaction rules involving ERC721 and ERC1155 tokens. */ interface IBase { /** * @dev Enumeration specifying the type of rule value. * PERCENT - Represents a percentage-based value. * FIX - Represents a fixed value. */ enum RuleValueType { PERCENT, FIX } /** * @dev Struct defining the details for disbursing payments in a transaction. * @param royaltyWallet Address where royalty payments are sent. * @param affiliateWallet Address where affiliate payments are sent. * @param sellerWallet Address of the seller who will receive payment. * @param buyerWallet Address of the buyer involved in the transaction. * @param bitWallet Address used for platform fees or additional charges. * @param vdtContract Address of a contract, possibly involved in managing disbursement. * @param royalty Amount allocated for royalties. * @param affiliate Amount allocated for affiliate commission. * @param seller Amount allocated for the seller. * @param bit Amount allocated for platform or additional fees. * @param assetId Identifier for the asset being transacted. * @param quantity Number of tokens or assets being transferred. */ struct DisburseDetails { address royaltyWallet; address affiliateWallet; address sellerWallet; address buyerWallet; address bitWallet; address vdtContract; uint256 royalty; uint256 affiliate; uint256 seller; uint256 bit; uint256 assetId; uint256 quantity; } /** * @dev Struct defining a rule for payment disbursement. * @param ruleId Unique identifier for the rule. * @param ruleValue Array of values associated with the rule (e.g., thresholds, limits). * @param disburseValue Array of values determining how much to disburse according to the rule. * @param toWallet Array of wallet addresses where the payments will be sent. * @param valueType Array indicating if each disbursement is a percentage or fixed amount. * @param isDisbursed Flag indicating if the disbursement has already been completed. */ struct Rule { string ruleId; uint256[] ruleValue; uint256[] disburseValue; address[] toWallet; RuleValueType[] valueType; bool isDisbursed; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.17; interface IBaseOrchestrator { struct VDTTokenDetail { address user; address vdtContract; uint256 vdtId; string vdtName; string metadataURI; } }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[],"name":"ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_eventEmitter","outputs":[{"internalType":"contract IEventEmitter","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"str","type":"string"}],"name":"isStringEmpty","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"string","name":"vdtContractName","type":"string"},{"internalType":"string","name":"listingId","type":"string"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"listVDT","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"vdtContractName","type":"string"},{"internalType":"address","name":"businessRecipient","type":"address"},{"internalType":"address","name":"consumerRecipient","type":"address"},{"internalType":"string","name":"nftTokenURI","type":"string"}],"name":"mintVDT","outputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"vdtContractName","type":"string"},{"internalType":"address","name":"businessRecipient","type":"address"},{"internalType":"address","name":"sellerRecipient","type":"address"},{"internalType":"string","name":"nftTokenURI","type":"string"},{"internalType":"string","name":"vdtType","type":"string"}],"name":"mintVDT","outputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"vdtContractName","type":"string"},{"internalType":"address","name":"businessRecipient","type":"address"},{"internalType":"address","name":"sellerRecipient","type":"address"},{"internalType":"address","name":"consumerRecipient","type":"address"},{"internalType":"string","name":"nftTokenURI","type":"string"}],"name":"mintVDT","outputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"seller","type":"address"},{"internalType":"string","name":"vdtMetadata","type":"string"},{"internalType":"string","name":"vdtName","type":"string"},{"internalType":"string","name":"vdtType","type":"string"},{"internalType":"bool","name":"isLazy","type":"bool"}],"internalType":"struct Orchestrator.VDTDetail[]","name":"vdtDetails","type":"tuple[]"},{"internalType":"address","name":"businessRecipient","type":"address"}],"name":"multiVDT","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string[]","name":"vdtContractName","type":"string[]"},{"internalType":"address[]","name":"vdtContractAddress","type":"address[]"}],"name":"registerVDTByName","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"eventEmitter","type":"address"}],"name":"setEventEmitter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"vdtContractName","type":"string"},{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"vdtContractName","type":"string"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"string","name":"nftTokenURI","type":"string"}],"name":"updateTokenURI","outputs":[{"internalType":"bool","name":"tokenURIupdated","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"","type":"string"}],"name":"vdtContractNames","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"vdtContracts","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.