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Private Name Tags
ContractCreator
TokenTracker
Latest 25 from a total of 31 transactions
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Safe Transfer Fr... | 19826324 | 179 days ago | IN | 0 ETH | 0.00040479 | ||||
Safe Transfer Fr... | 19114499 | 279 days ago | IN | 0 ETH | 0.00125356 | ||||
Set Base URI | 18752895 | 330 days ago | IN | 0 ETH | 0.0014874 | ||||
Safe Transfer Fr... | 16493165 | 647 days ago | IN | 0 ETH | 0.001802 | ||||
Safe Transfer Fr... | 16451051 | 653 days ago | IN | 0 ETH | 0.0014457 | ||||
Safe Transfer Fr... | 16451050 | 653 days ago | IN | 0 ETH | 0.00219374 | ||||
Transfer From | 16363456 | 665 days ago | IN | 0 ETH | 0.00099767 | ||||
Safe Transfer Fr... | 15958893 | 722 days ago | IN | 0 ETH | 0.00075157 | ||||
Safe Transfer Fr... | 15958887 | 722 days ago | IN | 0 ETH | 0.00069376 | ||||
Safe Transfer Fr... | 15958886 | 722 days ago | IN | 0 ETH | 0.00094 | ||||
Transfer From | 15266159 | 824 days ago | IN | 0 ETH | 0.00040561 | ||||
Safe Transfer Fr... | 15236533 | 828 days ago | IN | 0 ETH | 0.00070513 | ||||
Safe Transfer Fr... | 15082949 | 852 days ago | IN | 0 ETH | 0.00211539 | ||||
Safe Transfer Fr... | 14972083 | 872 days ago | IN | 0 ETH | 0.0019587 | ||||
Safe Transfer Fr... | 14695471 | 917 days ago | IN | 0 ETH | 0.00485757 | ||||
Safe Transfer Fr... | 14559390 | 938 days ago | IN | 0 ETH | 0.00274218 | ||||
Set Approval For... | 14550118 | 940 days ago | IN | 0 ETH | 0.00123773 | ||||
Safe Transfer Fr... | 14546665 | 940 days ago | IN | 0 ETH | 0.00300705 | ||||
Safe Transfer Fr... | 14546665 | 940 days ago | IN | 0 ETH | 0.00383905 | ||||
Transfer From | 14530474 | 943 days ago | IN | 0 ETH | 0.00245968 | ||||
Safe Transfer Fr... | 14482707 | 950 days ago | IN | 0 ETH | 0.00548436 | ||||
Transfer From | 14451407 | 955 days ago | IN | 0 ETH | 0.00267161 | ||||
Safe Transfer Fr... | 14431909 | 958 days ago | IN | 0 ETH | 0.00297722 | ||||
Safe Transfer Fr... | 14405493 | 962 days ago | IN | 0 ETH | 0.00341185 | ||||
Safe Transfer Fr... | 14405484 | 962 days ago | IN | 0 ETH | 0.00501427 |
Latest 1 internal transaction
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Parent Transaction Hash | Block | From | To | |||
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14394819 | 964 days ago | Contract Creation | 0 ETH |
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Contract Name:
NiftyBuilderInstance
Compiler Version
v0.8.6+commit.11564f7e
Optimization Enabled:
Yes with 1500 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2023-03-08 */ // SPDX-License-Identifier: MIT // File: contracts/core/NiftyEntity.sol /** * @dev Authenticator of state mutating operations for Nifty Gateway contracts. * * addresses for stateful operations. * * Rinkeby: 0xCefBf44ff649B6E0Bc63785699c6F1690b8cF73b * Mainnet: 0x6e53130dDfF21E3BC963Ee902005223b9A202106 */ contract NiftyEntity { // Address of {NiftyRegistry} contract. address internal immutable niftyRegistryContract; /** * @dev Determines whether accounts are allowed to invoke state mutating operations on child contracts. */ modifier onlyValidSender() { NiftyRegistry niftyRegistry = NiftyRegistry(niftyRegistryContract); bool isValid = niftyRegistry.isValidNiftySender(msg.sender); require(isValid, "NiftyEntity: Invalid msg.sender"); _; } /** * @param _niftyRegistryContract Points to the repository of authenticated */ constructor(address _niftyRegistryContract) { niftyRegistryContract = _niftyRegistryContract; } } /** * @dev Defined to mediate interaction with externally deployed {NiftyRegistry} dependency. */ interface NiftyRegistry { function isValidNiftySender(address sending_key) external view returns (bool); } // File: contracts/interface/IERC165.sol /** * @title IERC165 * @dev https://github.com/ethereum/EIPs/blob/master/EIPS/eip-165.md */ interface IERC165 { /** * @notice Query if a contract implements an interface * @param interfaceId The interface identifier, as specified in ERC-165 * @dev Interface identification is specified in ERC-165. This function * uses less than 30,000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: contracts/interface/IERC721.sol /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom(address from, address to, uint256 tokenId) 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 Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @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 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); /** * @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; } // File: contracts/interface/IERC721Receiver.sol /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received(address operator, address from, uint256 tokenId, bytes calldata data) external returns (bytes4); } // File: contracts/interface/IERC721Metadata.sol /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); } // File: contracts/util/Context.sol pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: contracts/util/Strings.sol /** * @dev String operations. */ library Strings { bytes16 private constant alphabet = "0123456789abcdef"; /** * @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); } } // File: contracts/standard/ERC165.sol /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: contracts/core/ERC721.sol /** * @dev Nifty Gateway implementation of Non-Fungible Token Standard. */ contract ERC721 is NiftyEntity, Context, ERC165, IERC721, IERC721Metadata { // Tracked individual instance spawned by {BuilderShop} contract. uint immutable public _id; // Number of distinct NFTs housed in this contract. uint immutable public _typeCount; // Intial receiver of all newly minted NFTs. address immutable public _defaultOwner; // Component(s) of 'tokenId' calculation. uint immutable public topLevelMultiplier; uint immutable public midLevelMultiplier; // Token name. string private _name; // Token symbol. string private _symbol; // Token artifact location. string private _baseURI; // Mapping from Nifty type to name of token. mapping(uint256 => string) private _niftyTypeName; // Mapping from Nifty type to IPFS hash of canonical artifcat file. mapping(uint256 => string) private _niftyTypeIPFSHashes; // Mapping from token ID to owner address. mapping (uint256 => address) internal _owners; // Mapping owner address to token count, by aggregating all _typeCount NFTs in the contact. mapping (address => uint256) internal _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 token collection. * * @param name_ Of the collection being deployed. * @param symbol_ Shorthand token identifier, for wallets, etc. * @param id_ Number instance deployed by {BuilderShop} contract. * @param baseURI_ The location where the artifact assets are stored. * @param typeCount_ The number of different Nifty types (different * individual NFTs) associated with the deployed collection. * @param defaultOwner_ Intial receiver of all newly minted NFTs. * @param niftyRegistryContract Points to the repository of authenticated * addresses for stateful operations. */ constructor(string memory name_, string memory symbol_, uint256 id_, string memory baseURI_, uint256 typeCount_, address defaultOwner_, address niftyRegistryContract) NiftyEntity(niftyRegistryContract) { _name = name_; _symbol = symbol_; _id = id_; _baseURI = baseURI_; _typeCount = typeCount_; _defaultOwner = defaultOwner_; midLevelMultiplier = 100000; topLevelMultiplier = id_ * 1000000000; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); 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: owner query for nonexistent token"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the link to artificat location for a given token by 'tokenId'. * Throws if the token ID does not exist. May return an empty string. * @param tokenId uint256 ID of the token to query. * @return The location where the artifact assets are stored. */ function tokenURI(uint256 tokenId) external view override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory tokenIdStr = Strings.toString(tokenId); return string(abi.encodePacked(_baseURI, tokenIdStr)); } /** * @dev Returns an IPFS hash for a given token ID. * Throws if the token ID does not exist. May return an empty string. * @param tokenId uint256 ID of the token to query. * @return IPFS hash for this (_typeCount) NFT. */ function tokenIPFSHash(uint256 tokenId) external view returns (string memory) { require(_exists(tokenId), "ERC721Metadata: IPFS hash query for nonexistent token"); uint256 niftyType = _getNiftyTypeId(tokenId); return _niftyTypeIPFSHashes[niftyType]; } /** * @dev Determine which NFT in the contract (_typeCount) is associated * with this 'tokenId'. */ function _getNiftyTypeId(uint256 tokenId) internal view returns (uint256) { if(tokenId <= topLevelMultiplier) { return 0; } else { return (tokenId - topLevelMultiplier) / midLevelMultiplier; } } /** * @dev Returns the Name for a given token ID. * Throws if the token ID does not exist. May return an empty string. * @param tokenId uint256 ID of the token to query */ function tokenName(uint256 tokenId) external view returns (string memory) { require(_exists(tokenId), "ERC721Metadata: Name query for nonexistent token"); uint256 niftyType = _getNiftyTypeId(tokenId); return _niftyTypeName[niftyType]; } /** * @dev Internal function to set the token IPFS hash for a nifty type. * @param niftyType uint256 ID component of the token to set its IPFS hash * @param ipfs_hash string IPFS link to assign */ function _setTokenIPFSHashNiftyType(uint256 niftyType, string memory ipfs_hash) internal { require(bytes(_niftyTypeIPFSHashes[niftyType]).length == 0, "ERC721Metadata: IPFS hash already set"); _niftyTypeIPFSHashes[niftyType] = ipfs_hash; } /** * @dev Internal function to set the name for a nifty type. * @param niftyType uint256 of nifty type name to be set * @param nifty_type_name name of nifty type */ function _setNiftyTypeName(uint256 niftyType, string memory nifty_type_name) internal { _niftyTypeName[niftyType] = nifty_type_name; } /** * @dev Base URI for computing {tokenURI}. */ function _setBaseURI(string memory baseURI_) internal { _baseURI = baseURI_; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require(_msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { require(operator != _msgSender(), "ERC721: approve to caller"); _operatorApprovals[_msgSender()][operator] = approved; emit ApprovalForAll(_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: transfer caller is not 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: transfer caller is not 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) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender)); } /** * @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 = ERC721.ownerOf(tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(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(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @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 (isContract(to)) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { // solhint-disable-next-line no-inline-assembly assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @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 * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } } // File: contracts/interface/IERC20.sol pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // File: contracts/util/Address.sol pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 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 Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(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 assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: contracts/util/SafeERC20.sol pragma solidity ^0.8.0; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } // File: contracts/interface/ICloneablePaymentSplitter.sol interface ICloneablePaymentSplitter is IERC165 { event PayeeAdded(address account, uint256 shares); event PaymentReleased(address to, uint256 amount); event ERC20PaymentReleased(IERC20 indexed token, address to, uint256 amount); event PaymentReceived(address from, uint256 amount); function initialize(address[] calldata payees, uint256[] calldata shares_) external; function totalShares() external view returns (uint256); function totalReleased() external view returns (uint256); function totalReleased(IERC20 token) external view returns (uint256); function shares(address account) external view returns (uint256); function released(address account) external view returns (uint256); function released(IERC20 token, address account) external view returns (uint256); function payee(uint256 index) external view returns (address); function release(address payable account) external; function release(IERC20 token, address account) external; function pendingPayment(address account) external view returns (uint256); function pendingPayment(IERC20 token, address account) external view returns (uint256); } // File: contracts/interface/IERC2981.sol pragma solidity ^0.8.0; /// /// @dev Interface for the NFT Royalty Standard /// interface IERC2981 is IERC165 { /// ERC165 bytes to add to interface array - set in parent contract /// implementing this standard /// /// bytes4(keccak256("royaltyInfo(uint256,uint256)")) == 0x2a55205a /// bytes4 private constant _INTERFACE_ID_ERC2981 = 0x2a55205a; /// _registerInterface(_INTERFACE_ID_ERC2981); /// @notice Called with the sale price to determine how much royalty // is owed and to whom. /// @param _tokenId - the NFT asset queried for royalty information /// @param _salePrice - the sale price of the NFT asset specified by _tokenId /// @return receiver - address of who should be sent the royalty payment /// @return royaltyAmount - the royalty payment amount for _salePrice function royaltyInfo( uint256 _tokenId, uint256 _salePrice ) external view returns ( address receiver, uint256 royaltyAmount ); } // File: contracts/standard/ERC721Burnable.sol /** * @title ERC721 Burnable Token * @dev ERC721 Token that can be irreversibly burned (destroyed). */ abstract contract ERC721Burnable is Context, ERC721 { /** * @dev Burns `tokenId`. See {ERC721-_burn}. * * Requirements: * * - The caller must own `tokenId` or be an approved operator. */ function burn(uint256 tokenId) public virtual { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721Burnable: caller is not owner nor approved"); _burn(tokenId); } } // File: contracts/util/Clones.sol pragma solidity ^0.8.0; // OpenZeppelin Contracts v4.4.1 (proxy/Clones.sol) // OpenZeppelin Contract Commit Hash: 6bd6b76d1156e20e45d1016f355d154141c7e5b9 /** * @dev https://eips.ethereum.org/EIPS/eip-1167[EIP 1167] is a standard for * deploying minimal proxy contracts, also known as "clones". * * > To simply and cheaply clone contract functionality in an immutable way, this standard specifies * > a minimal bytecode implementation that delegates all calls to a known, fixed address. * * The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2` * (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the * deterministic method. * * _Available since v3.4._ */ library Clones { /** * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`. * * This function uses the create opcode, which should never revert. */ function clone(address implementation) internal returns (address instance) { assembly { let ptr := mload(0x40) mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000) mstore(add(ptr, 0x14), shl(0x60, implementation)) mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000) instance := create(0, ptr, 0x37) } require(instance != address(0), "ERC1167: create failed"); } /** * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`. * * This function uses the create2 opcode and a `salt` to deterministically deploy * the clone. Using the same `implementation` and `salt` multiple time will revert, since * the clones cannot be deployed twice at the same address. */ function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) { assembly { let ptr := mload(0x40) mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000) mstore(add(ptr, 0x14), shl(0x60, implementation)) mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000) instance := create2(0, ptr, 0x37, salt) } require(instance != address(0), "ERC1167: create2 failed"); } /** * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}. */ function predictDeterministicAddress( address implementation, bytes32 salt, address deployer ) internal pure returns (address predicted) { assembly { let ptr := mload(0x40) mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000) mstore(add(ptr, 0x14), shl(0x60, implementation)) mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000) mstore(add(ptr, 0x38), shl(0x60, deployer)) mstore(add(ptr, 0x4c), salt) mstore(add(ptr, 0x6c), keccak256(ptr, 0x37)) predicted := keccak256(add(ptr, 0x37), 0x55) } } /** * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}. */ function predictDeterministicAddress(address implementation, bytes32 salt) internal view returns (address predicted) { return predictDeterministicAddress(implementation, salt, address(this)); } } // File: contracts/core/NiftyBuilderInstance.sol /** * XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX * XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX .*** XXXXXXXXXXXXXXXXXX * XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX ,********* XXXXXXXXXXXXXXXX * XXXXXXXXXXXXXXXXXXXXXXXXXXXX *************** XXXXXXXXXXXXX * XXXXXXXXXXXXXXXXXXXXXXXXX .******************* XXXXXXXXXXX * XXXXXXXXXXXXXXXXXXXXXXX *********** ********** XXXXXXXX * XXXXXXXXXXXXXXXXXXXX *********** *********** XXXXXX * XXXXXXXXXXXXXXXXXX *********** *************** XXX * XXXXXXXXXXXXXXXX *********** **** ********* XX * XXXXXXXXXXXXXXXX ********* *** *** ********* X * XXXXXXXXXXXXXXXX ********** ***** *********** XXX * XXXXXXXXXXXX /////.************* *********** XXXX * XXXXXXXXX /////////...*********** ************ XXXXXX * XXXXXXX/ ///////////..... ///////// /////////// XXXXXXXX * XXXXXX / //////........./////////////////// XXXXXXXXXX * XXXXXXXXXX .///////...........////////////// XXXXXXXXXXXXX * XXXXXXXXX .///////.....//..//// ///////// XXXXXXXXXXXXXXXX * XXXXXXX# ///////////////////// XXXXXXXXXXXXXXXXXXXXXXXXXXXX * XXXXX //////////////////// XXXXXXXXXXXXXXXXXXXXXXXXXXXXX * XX ////////////// ////// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX * XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX * * @dev Nifty Gateway extension of customized NFT contract, encapsulates * logic for minting new tokens, and concluding the minting process. */ contract NiftyBuilderInstance is ERC721, ERC721Burnable, IERC2981 { event RoyaltyReceiverUpdated(uint256 indexed niftyType, address previousReceiver, address newReceiver); event PaymentReleased(address to, uint256 amount); event ERC20PaymentReleased(IERC20 indexed token, address to, uint256 amount); // The artist associated with the collection. string private _creator; uint256 immutable public _percentageTotal; mapping(uint256 => uint256) public _percentageRoyalty; mapping (uint256 => address) _royaltySplitters; mapping (uint256 => address) _royaltyReceivers; // Number of NFTs minted for a given 'typeCount'. mapping (uint256 => uint256) public _mintCount; /** * @dev Serves as a gas cost optimized boolean flag * to indicate whether the minting process has been * concluded for a given 'typeCount', correspinds * to the {_getFinalized} and {setFinalized}. */ mapping (uint256 => bytes32) private _finalized; /** * @dev Emitted when tokens are created. */ event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed fromAddress, address indexed toAddress); /** * @dev Ultimate instantiation of a Nifty Gateway NFT collection. * * @param name Of the collection being deployed. * @param symbol Shorthand token identifier, for wallets, etc. * @param id Number instance deployed by {BuilderShop} contract. * @param typeCount The number of different Nifty types (different * individual NFTs) associated with the deployed collection. * @param baseURI The location where the artifact assets are stored. * @param creator_ The artist associated with the collection. * @param niftyRegistryContract Points to the repository of authenticated * addresses for stateful operations. * @param defaultOwner Intial receiver of all newly minted NFTs. */ constructor( string memory name, string memory symbol, uint256 id, uint256 typeCount, string memory baseURI, string memory creator_, address niftyRegistryContract, address defaultOwner) ERC721(name, symbol, id, baseURI, typeCount, defaultOwner, niftyRegistryContract) { _creator = creator_; _percentageTotal = 10000; } function setRoyaltyBips(uint256 niftyType, uint256 percentageRoyalty_) external onlyValidSender { require(percentageRoyalty_ <= _percentageTotal, "NiftyBuilderInstance: Illegal argument more than 100%"); _percentageRoyalty[niftyType] = percentageRoyalty_; } function royaltyInfo(uint256 tokenId, uint256 salePrice) public override view returns (address, uint256) { require(_exists(tokenId), "NiftyBuilderInstance: operator query for nonexistent token"); uint256 niftyType = _getNiftyTypeId(tokenId); uint256 royaltyAmount = (salePrice * _percentageRoyalty[niftyType]) / _percentageTotal; address royaltyReceiver = _getRoyaltyReceiverByNiftyType(niftyType); require(royaltyReceiver != address(0), "NiftyBuilderInstance: No royalty receiver"); return (royaltyReceiver, royaltyAmount); } // This function must be called after builder shop instance is created - it can be called again // to change the split; call this once per nifty type to set up royalty payments properly function initializeRoyalties(address splitterImplementation, uint256 niftyType, address[] calldata payees, uint256[] calldata shares_) external onlyValidSender { address previousReceiver = _getRoyaltyReceiverByNiftyType(niftyType); address newReceiver = address(0); if(payees.length == 1) { newReceiver = payees[0]; _royaltyReceivers[niftyType] = newReceiver; delete _royaltySplitters[niftyType]; } else { delete _royaltyReceivers[niftyType]; require(IERC165(splitterImplementation).supportsInterface(type(ICloneablePaymentSplitter).interfaceId), "Not a valid payment splitter"); newReceiver = payable (Clones.clone(splitterImplementation)); ICloneablePaymentSplitter(newReceiver).initialize(payees, shares_); _royaltySplitters[niftyType] = newReceiver; } emit RoyaltyReceiverUpdated(niftyType, previousReceiver, newReceiver); } function getRoyaltyReceiverByTokenId(uint256 tokenId) public view returns (address) { return _getRoyaltyReceiverByNiftyType(_getNiftyTypeId(tokenId)); } function getRoyaltyReceiverByNiftyType(uint256 niftyType) public view returns (address) { return _getRoyaltyReceiverByNiftyType(niftyType); } function releaseRoyalties(address payable account) external { uint256 totalPaymentAmount = 0; for(uint256 niftyType = 1; niftyType <= _typeCount; niftyType++) { address paymentSplitterAddress = _royaltySplitters[niftyType]; if(paymentSplitterAddress != address(0)) { ICloneablePaymentSplitter paymentSplitter = ICloneablePaymentSplitter(paymentSplitterAddress); uint256 pendingPaymentAmount = paymentSplitter.pendingPayment(account); if(pendingPaymentAmount > 0) { totalPaymentAmount += pendingPaymentAmount; paymentSplitter.release(account); } } } if(totalPaymentAmount > 0) { emit PaymentReleased(account, totalPaymentAmount); } } function releaseRoyalties(IERC20 token, address account) external { uint256 totalPaymentAmount = 0; for(uint256 niftyType = 1; niftyType <= _typeCount; niftyType++) { address paymentSplitterAddress = _royaltySplitters[niftyType]; if(paymentSplitterAddress != address(0)) { ICloneablePaymentSplitter paymentSplitter = ICloneablePaymentSplitter(paymentSplitterAddress); uint256 pendingPaymentAmount = paymentSplitter.pendingPayment(token, account); if(pendingPaymentAmount > 0) { totalPaymentAmount += pendingPaymentAmount; paymentSplitter.release(token, account); } } } if(totalPaymentAmount > 0) { emit ERC20PaymentReleased(token, account, totalPaymentAmount); } } function pendingRoyaltyPayment(address account) external view returns (uint256) { uint256 totalPaymentAmount = 0; for(uint256 niftyType = 1; niftyType <= _typeCount; niftyType++) { address paymentSplitterAddress = _royaltySplitters[niftyType]; if(paymentSplitterAddress != address(0)) { ICloneablePaymentSplitter paymentSplitter = ICloneablePaymentSplitter(paymentSplitterAddress); totalPaymentAmount += paymentSplitter.pendingPayment(account); } } return totalPaymentAmount; } function pendingRoyaltyPayment(IERC20 token, address account) external view returns (uint256) { uint256 totalPaymentAmount = 0; for(uint256 niftyType = 1; niftyType <= _typeCount; niftyType++) { address paymentSplitterAddress = _royaltySplitters[niftyType]; if(paymentSplitterAddress != address(0)) { ICloneablePaymentSplitter paymentSplitter = ICloneablePaymentSplitter(paymentSplitterAddress); totalPaymentAmount += paymentSplitter.pendingPayment(token, account); } } return totalPaymentAmount; } /** * @dev Generate canonical Nifty Gateway token representation. * Nifty contracts have a data model called a 'niftyType' (typeCount) * The 'niftyType' refers to a specific nifty in our contract, note * that it gives no information about the edition size. In a given * contract, 'niftyType' 1 could be an edition of 10, while 'niftyType' * 2 is a 1/1, etc. * The token IDs are encoded as follows: {id}{niftyType}{edition #} * 'niftyType' has 4 digits, and edition number has 5 digits, to allow * for 99999 possible 'niftyType' and 99999 of each edition in each contract. * Example token id: [5000100270] * This is from contract #5, it is 'niftyType' 1 in the contract, and it is * edition #270 of 'niftyType' 1. * Example token id: [5000110000] * This is from contract #5, it is 'niftyType' 1 in the contract, and it is * edition #10000 of 'niftyType' 1. */ function _encodeTokenId(uint256 niftyType, uint256 tokenNumber) private view returns (uint256) { return (topLevelMultiplier + (niftyType * midLevelMultiplier) + tokenNumber); } /** * @dev Determine whether it is possible to mint additional NFTs for this 'niftyType'. */ function _getFinalized(uint256 niftyType) public view returns (bool) { bytes32 chunk = _finalized[niftyType / 256]; return (chunk & bytes32(1 << (niftyType % 256))) != 0x0; } /** * @dev Prevent the minting of additional NFTs of this 'niftyType'. */ function setFinalized(uint256 niftyType) public onlyValidSender { uint256 quotient = niftyType / 256; bytes32 chunk = _finalized[quotient]; _finalized[quotient] = chunk | bytes32(1 << (niftyType % 256)); } /** * @dev The artist of this collection. */ function creator() public view virtual returns (string memory) { return _creator; } /** * @dev Assign the root location where the artifact assets are stored. */ function setBaseURI(string memory baseURI) public onlyValidSender { _setBaseURI(baseURI); } /** * @dev Allow owner to change nifty name, by 'niftyType'. */ function setNiftyName(uint256 niftyType, string memory niftyName) public onlyValidSender { _setNiftyTypeName(niftyType, niftyName); } /** * @dev Assign the IPFS hash of canonical artifcat file, by 'niftyType'. */ function setNiftyIPFSHash(uint256 niftyType, string memory hashIPFS) public onlyValidSender { _setTokenIPFSHashNiftyType(niftyType, hashIPFS); } /** * @dev Create specified number of nifties en masse. * Once an NFT collection is spawned by the factory contract, we make calls to set the IPFS * hash (above) for each Nifty type in the collection. * Subsequently calls are issued to this function to mint the appropriate number of tokens * for the project. */ function mintNifty(uint256 niftyType, uint256 count) public onlyValidSender { require(!_getFinalized(niftyType), "NiftyBuilderInstance: minting concluded for nifty type"); uint256 tokenNumber = _mintCount[niftyType] + 1; uint256 tokenId00 = _encodeTokenId(niftyType, tokenNumber); uint256 tokenId01 = tokenId00 + count - 1; for (uint256 tokenId = tokenId00; tokenId <= tokenId01; tokenId++) { _owners[tokenId] = _defaultOwner; } _mintCount[niftyType] += count; _balances[_defaultOwner] += count; emit ConsecutiveTransfer(tokenId00, tokenId01, address(0), _defaultOwner); } function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721, IERC165) returns (bool) { return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId); } function _getRoyaltyReceiverByNiftyType(uint256 niftyType) private view returns (address) { if(_royaltyReceivers[niftyType] != address(0)) { return _royaltyReceivers[niftyType]; } else if(_royaltySplitters[niftyType] != address(0)) { return _royaltySplitters[niftyType]; } return address(0); } } // File: contracts/core/BuilderShop.sol pragma solidity ^0.8.6; /** * :::::::::::::::::::::::::::::::::::::::::::: * :::::::::::::::::::::::::::::::::::::::::::::::: * :::::::::::::::::::::::::::::::::::::::::::::::: * ::::::::::::NNNNNNNNN:::::::NNNNNNNN:::::::::::: * ::::::::::::NNNNNNNNNN::::::NNNNNNNN:::::::::::: * ::::::::::::NNNNNNNNNNN:::::NNNNNNNN:::::::::::: * ::::::::::::NNNNNNNNNNNN::::NNNNNNNN:::::::::::: * ::::::::::::NNNNNNNNNNNNN:::NNNNNNNN:::::::::::: * ::::::::::::NNNNNNNNNNNNNN::NNNNNNNN:::::::::::: * ::::::::::::NNNNNNNN:NNNNNN:NNNNNNNN:::::::::::: * ::::::::::::NNNNNNNN::NNNNNNNNNNNNNN:::::::::::: * ::::::::::::NNNNNNNN:::NNNNNNNNNNNNN:::::::::::: * ::::::::::::NNNNNNNN::::NNNNNNNNNNNN:::::::::::: * ::::::::::::NNNNNNNN:::::NNNNNNNNNNN:::::::::::: * ::::::::::::NNNNNNNN::::::NNNNNNNNNN:::::::::::: * ::::::::::::NNNNNNNN:::::::NNNNNNNNN:::::::::::: * :::::::::::::::::::::::::::::::::::::::::::::::: * :::::::::::::::::::::::::::::::::::::::::::::::: * :::::::::::::::::::::::::::::::::::::::::::: * * @dev Nexus of the Nifty Gateway smartcontract constellation. * {BuilderShop} is a factory contract, when a new collection * is slated for deployment, a call is made to this factory * contract to create it. */ contract BuilderShop is NiftyEntity { /** * @dev Tracks the latest {NiftyBuilderInstance} deployment, supplied as constructor * argument. Every time a new contract is deployed from this "master" factory contract, * it is given a contract id that is one higher than the previous contract deployed. */ uint public _id; // Provided as a argument to {NiftyBuilderInstance} deployment. address public _defaultOwner; // Reference for validation of posible {NiftyBuilderInstance} by address. mapping (address => bool) public validBuilderInstance; // Log the creation of each {NiftyBuilderInstance} deployment. event BuilderInstanceCreated(address instanceAddress, uint id); /** * @param niftyRegistryContract Points to the mainnet repository of addresses * allowed to invoke state mutating operations via the modifier 'onlyValidSender'. * @param defaultOwner_ The address to which all tokens are initially minted. */ constructor(address niftyRegistryContract, address defaultOwner_) NiftyEntity(niftyRegistryContract) { _defaultOwner = defaultOwner_; } /** * @dev Configurable address for defaultOwner. * @param defaultOwner account to which newly minted tokens are allocated. */ function setDefaultOwner(address defaultOwner) onlyValidSender external { _defaultOwner = defaultOwner; } /** * @dev Allow anyone to check if a contract address is a valid nifty gateway contract. * @param instanceAddress address of potential spawned {NiftyBuilderInstance}. * @return bool whether or not the contract was initialized by this {BuilderShop}. */ function isValidBuilderInstance(address instanceAddress) external view returns (bool) { return (validBuilderInstance[instanceAddress]); } /** * @dev Collections on the platform are associated with a call to this * function which will generate a {NiftyBuilderInstance} to house the * NFTs for that particular artist release. * * @param name Of the collection being deployed. * @param symbol Shorthand token identifier, for wallets, etc. * @param typeCount The number of different Nifty types (different * individual NFTs) associated with the deployed collection. * @param baseURI The location where the artifact assets are stored. * @param creator The artist associated with the collection. */ function createNewBuilderInstance( string memory name, string memory symbol, uint256 typeCount, string memory baseURI, string memory creator) external onlyValidSender { _id += 1; NiftyBuilderInstance instance = new NiftyBuilderInstance( name, symbol, _id, typeCount, baseURI, creator, niftyRegistryContract, _defaultOwner ); address instanceAddress = address(instance); validBuilderInstance[instanceAddress] = true; emit BuilderInstanceCreated(instanceAddress, _id); } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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IERC20","name":"token","type":"address"},{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ERC20PaymentReleased","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"PaymentReleased","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"niftyType","type":"uint256"},{"indexed":false,"internalType":"address","name":"previousReceiver","type":"address"},{"indexed":false,"internalType":"address","name":"newReceiver","type":"address"}],"name":"RoyaltyReceiverUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"_defaultOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"niftyType","type":"uint256"}],"name":"_getFinalized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_id","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"_mintCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"_percentageRoyalty","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_percentageTotal","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_typeCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"creator","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"niftyType","type":"uint256"}],"name":"getRoyaltyReceiverByNiftyType","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getRoyaltyReceiverByTokenId","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"splitterImplementation","type":"address"},{"internalType":"uint256","name":"niftyType","type":"uint256"},{"internalType":"address[]","name":"payees","type":"address[]"},{"internalType":"uint256[]","name":"shares_","type":"uint256[]"}],"name":"initializeRoyalties","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"midLevelMultiplier","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"niftyType","type":"uint256"},{"internalType":"uint256","name":"count","type":"uint256"}],"name":"mintNifty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"token","type":"address"},{"internalType":"address","name":"account","type":"address"}],"name":"pendingRoyaltyPayment","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"pendingRoyaltyPayment","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address payable","name":"account","type":"address"}],"name":"releaseRoyalties","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"token","type":"address"},{"internalType":"address","name":"account","type":"address"}],"name":"releaseRoyalties","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"niftyType","type":"uint256"}],"name":"setFinalized","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"niftyType","type":"uint256"},{"internalType":"string","name":"hashIPFS","type":"string"}],"name":"setNiftyIPFSHash","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"niftyType","type":"uint256"},{"internalType":"string","name":"niftyName","type":"string"}],"name":"setNiftyName","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"niftyType","type":"uint256"},{"internalType":"uint256","name":"percentageRoyalty_","type":"uint256"}],"name":"setRoyaltyBips","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenIPFSHash","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenName","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"topLevelMultiplier","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
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
-----Decoded View---------------
Arg [0] : name (string): OUROBOROS by BD White
Arg [1] : symbol (string): OUROBOROSBYBDWHITE
Arg [2] : id (uint256): 154
Arg [3] : typeCount (uint256): 6
Arg [4] : baseURI (string): https://api.niftygateway.com/ouroboros/
Arg [5] : creator_ (string): BD White
Arg [6] : niftyRegistryContract (address): 0x6e53130dDfF21E3BC963Ee902005223b9A202106
Arg [7] : defaultOwner (address): 0xE052113bd7D7700d623414a0a4585BCaE754E9d5
-----Encoded View---------------
17 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000100
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000140
Arg [2] : 000000000000000000000000000000000000000000000000000000000000009a
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000006
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000180
Arg [5] : 00000000000000000000000000000000000000000000000000000000000001e0
Arg [6] : 0000000000000000000000006e53130ddff21e3bc963ee902005223b9a202106
Arg [7] : 000000000000000000000000e052113bd7d7700d623414a0a4585bcae754e9d5
Arg [8] : 0000000000000000000000000000000000000000000000000000000000000015
Arg [9] : 4f55524f424f524f532062792042442057686974650000000000000000000000
Arg [10] : 0000000000000000000000000000000000000000000000000000000000000012
Arg [11] : 4f55524f424f524f534259424457484954450000000000000000000000000000
Arg [12] : 0000000000000000000000000000000000000000000000000000000000000027
Arg [13] : 68747470733a2f2f6170692e6e69667479676174657761792e636f6d2f6f7572
Arg [14] : 6f626f726f732f00000000000000000000000000000000000000000000000000
Arg [15] : 0000000000000000000000000000000000000000000000000000000000000008
Arg [16] : 4244205768697465000000000000000000000000000000000000000000000000
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Multichain Portfolio | 30 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
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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.