Feature Tip: Add private address tag to any address under My Name Tag !
ERC-721
Overview
Max Total Supply
201 DIPR
Holders
153
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
2 DIPRLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
ChainNft
Compiler Version
v0.8.19+commit.7dd6d404
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.19; import {ERC721, ERC721Enumerable} from "ERC721Enumerable.sol"; import {IChainNft, IChainRegistry} from "IChainNft.sol"; contract ChainNft is ERC721Enumerable, IChainNft { string public constant NAME = "Dezentralized Insurance Protocol Registry"; string public constant SYMBOL = "DIPR"; // remember registry IChainRegistry private _registry; // remember token uri mapping(uint256 tokenId => string uri) private _uri; // only used for _getNextTokenId uint256 internal _chainIdInt; uint256 internal _chainIdDigits; uint256 internal _chainIdMultiplier; uint256 internal _idNext; uint256 internal _totalMinted; modifier onlyRegistry() { require(msg.sender == address(_registry), "ERROR:CRG-001:CALLER_NOT_REGISTRY"); _; } constructor(address registry) ERC721(NAME, SYMBOL) { require(registry != address(0), "ERROR:CRG-010:REGISTRY_ZERO"); _registry = IChainRegistry(registry); _chainIdInt = block.chainid; _chainIdDigits = _countDigits(_chainIdInt); _chainIdMultiplier = 10 ** _chainIdDigits; // on mainnet/goerli start /1 (reserved for protocol nft) on other chains with 2 if(block.chainid == 1 || block.chainid == 5) { _idNext = 1; } else { _idNext = 2; } } function mint( address to, string memory uri ) external override onlyRegistry returns(uint256 tokenId) { tokenId = _getNextTokenId(); _totalMinted++; _safeMint(to, tokenId); if(bytes(uri).length > 0) { _uri[tokenId] = uri; } } function burn(uint256 tokenId) external override onlyRegistry { _requireMinted(tokenId); _burn(tokenId); delete _uri[tokenId]; } function setURI(uint256 tokenId, string memory uri) external override onlyRegistry { require(bytes(uri).length > 0, "ERROR:CRG-011:URI_EMPTY"); _requireMinted(tokenId); _uri[tokenId] = uri; } function exists(uint256 tokenId) external view override returns(bool) { return _exists(tokenId); } function tokenURI(uint256 tokenId) public view override returns(string memory) { _requireMinted(tokenId); return _uri[tokenId]; } function getRegistry() external view override returns(IChainRegistry registry) { return _registry; } function totalMinted() external override view returns(uint256) { return _totalMinted; } function implementsIChainNft() external pure override returns(bool) { return true; } // requirement: each chain registry produces token ids that // are guaranteed to not collide with any token id genereated // on a different chain // // format concat(counter,chainid,2 digits for len-of-chain-id) // restriction chainid up to 99 digits // decode: from right to left: // - 2 right most digits encode length of chainid // - move number of digits to left as determined above (-> chainid) // - the reminder to the left is the counter // examples // 1101 // ^^ ^ // || +- 1-digit chain id // |+-- chain id = 1 (mainnet) // +-- 1st token id on mainnet // (1 * 10 ** 1 + 1) * 100 + 1 // 42987654321010 // ^ ^ ^ // | | +- 10-digit chain id // | +-- chain id = 9876543210 (hypothetical chainid) // +-- 42nd token id on this chain // (42 * 10 ** 10 + 9876543210) * 100 + 10 // (index * 10 ** digits + chainid) * 100 + digits (1 < digits < 100) function _getNextTokenId() private returns(uint256 id) { id = (_idNext * _chainIdMultiplier + _chainIdInt) * 100 + _chainIdDigits; _idNext++; } function _countDigits(uint256 num) private pure returns (uint256 count) { count = 0; while (num != 0) { count++; num /= 10; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Enumerable.sol) pragma solidity ^0.8.0; import "ERC721.sol"; import "IERC721Enumerable.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 ERC721Enumerable is ERC721, IERC721Enumerable { // 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(IERC165, ERC721) returns (bool) { return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}. */ function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) { require(index < ERC721.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 < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds"); return _allTokens[index]; } /** * @dev See {ERC721-_beforeTokenTransfer}. */ function _beforeTokenTransfer( address from, address to, uint256 firstTokenId, uint256 batchSize ) internal virtual override { super._beforeTokenTransfer(from, to, firstTokenId, batchSize); if (batchSize > 1) { // Will only trigger during construction. Batch transferring (minting) is not available afterwards. revert("ERC721Enumerable: consecutive transfers not supported"); } uint256 tokenId = firstTokenId; 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 = ERC721.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 = ERC721.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(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.2) (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; import "IERC721.sol"; import "IERC721Receiver.sol"; import "IERC721Metadata.sol"; import "Address.sol"; import "Context.sol"; import "Strings.sol"; import "ERC165.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 ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings 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. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @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: 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 = _ownerOf(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 = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not token owner or 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 or 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 or 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 the owner of the `tokenId`. Does NOT revert if token doesn't exist */ function _ownerOf(uint256 tokenId) internal view virtual returns (address) { return _owners[tokenId]; } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _ownerOf(tokenId) != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { address owner = ERC721.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, 1); // Check that tokenId was not minted by `_beforeTokenTransfer` hook require(!_exists(tokenId), "ERC721: token already minted"); unchecked { // Will not overflow unless all 2**256 token ids are minted to the same owner. // Given that tokens are minted one by one, it is impossible in practice that // this ever happens. Might change if we allow batch minting. // The ERC fails to describe this case. _balances[to] += 1; } _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId, 1); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * This is an internal function that does not check if the sender is authorized to operate on the token. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId, 1); // Update ownership in case tokenId was transferred by `_beforeTokenTransfer` hook owner = ERC721.ownerOf(tokenId); // Clear approvals delete _tokenApprovals[tokenId]; unchecked { // Cannot overflow, as that would require more tokens to be burned/transferred // out than the owner initially received through minting and transferring in. _balances[owner] -= 1; } delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); _afterTokenTransfer(owner, address(0), tokenId, 1); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId, 1); // Check that tokenId was not transferred by `_beforeTokenTransfer` hook require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); // Clear approvals from the previous owner delete _tokenApprovals[tokenId]; unchecked { // `_balances[from]` cannot overflow for the same reason as described in `_burn`: // `from`'s balance is the number of token held, which is at least one before the current // transfer. // `_balances[to]` could overflow in the conditions described in `_mint`. That would require // all 2**256 token ids to be minted, which in practice is impossible. _balances[from] -= 1; _balances[to] += 1; } _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId, 1); } /** * @dev Approve `to` to operate on `tokenId` * * Emits an {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.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 IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`. * - When `from` is zero, the tokens will be minted for `to`. * - When `to` is zero, ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * - `batchSize` is non-zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 firstTokenId, uint256 batchSize ) internal virtual {} /** * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`. * - When `from` is zero, the tokens were minted for `to`. * - When `to` is zero, ``from``'s tokens were burned. * - `from` and `to` are never both zero. * - `batchSize` is non-zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 firstTokenId, uint256 batchSize ) internal virtual {} /** * @dev Unsafe write access to the balances, used by extensions that "mint" tokens using an {ownerOf} override. * * WARNING: Anyone calling this MUST ensure that the balances remain consistent with the ownership. The invariant * being that for any address `a` the value returned by `balanceOf(a)` must be equal to the number of tokens such * that `ownerOf(tokenId)` is `a`. */ // solhint-disable-next-line func-name-mixedcase function __unsafe_increaseBalance(address account, uint256 amount) internal { _balances[account] += amount; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "Math.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv( uint256 x, uint256 y, uint256 denominator ) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv( uint256 x, uint256 y, uint256 denominator, Rounding rounding ) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10**64) { value /= 10**64; result += 64; } if (value >= 10**32) { value /= 10**32; result += 32; } if (value >= 10**16) { value /= 10**16; result += 16; } if (value >= 10**8) { value /= 10**8; result += 8; } if (value >= 10**4) { value /= 10**4; result += 4; } if (value >= 10**2) { value /= 10**2; result += 2; } if (value >= 10**1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol) pragma solidity ^0.8.0; import "IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Enumerable is IERC721 { /** * @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: Apache-2.0 pragma solidity ^0.8.19; import {IERC721Enumerable} from "IERC721Enumerable.sol"; import {IChainRegistry} from "IChainRegistry.sol"; type NftId is uint96; using { eqNftId as ==, neNftId as != } for NftId global; function eqNftId(NftId a, NftId b) pure returns(bool isSame) { return NftId.unwrap(a) == NftId.unwrap(b); } function neNftId(NftId a, NftId b) pure returns(bool isDifferent) { return NftId.unwrap(a) != NftId.unwrap(b); } function gtz(NftId a) pure returns(bool) { return NftId.unwrap(a) > 0; } function zeroNftId() pure returns(NftId) { return NftId.wrap(0); } function toNftId(uint256 tokenId) pure returns(NftId) { return NftId.wrap(uint96(tokenId)); } interface IChainNft is IERC721Enumerable { function mint(address to, string memory uri) external returns(uint256 tokenId); function burn(uint256 tokenId) external; function setURI(uint256 tokenId, string memory uri) external; function getRegistry() external view returns(IChainRegistry registry); function exists(uint256 tokenId) external view returns(bool); function totalMinted() external view returns(uint256); function implementsIChainNft() external pure returns (bool); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.19; import {IBaseTypes, ChainId, Blocknumber} from "IBaseTypes.sol"; import {Version} from "IVersionType.sol"; import {IVersionable} from "IVersionable.sol"; import {IStaking} from "IStaking.sol"; import {IChainNft, NftId} from "IChainNft.sol"; import {IInstanceServiceFacade} from "IInstanceServiceFacade.sol"; type ObjectType is uint8; using { eqObjectType as ==, neObjectType as != } for ObjectType global; function eqObjectType(ObjectType a, ObjectType b) pure returns(bool isSame) { return ObjectType.unwrap(a) == ObjectType.unwrap(b); } function neObjectType(ObjectType a, ObjectType b) pure returns(bool isDifferent) { return ObjectType.unwrap(a) != ObjectType.unwrap(b); } interface IChainRegistry is IBaseTypes, IVersionable { enum ObjectState { Undefined, Proposed, Approved, Suspended, Archived, Burned } struct NftInfo { NftId id; ChainId chain; ObjectType objectType; ObjectState state; string uri; bytes data; Blocknumber mintedIn; Blocknumber updatedIn; Version version; } event LogChainRegistryObjectRegistered(NftId id, ChainId chain, ObjectType objectType, ObjectState state, address to); event LogChainRegistryObjectStateSet(NftId id, ObjectState stateNew, ObjectState stateOld, address setBy); //--- state changing functions ------------------// function registerChain(ChainId chain, string memory uri) external returns(NftId id); function registerRegistry(ChainId chain, address registry, string memory uri) external returns(NftId id); function registerToken(ChainId chain,address token, string memory uri) external returns(NftId id); function registerStake( NftId target, address staker ) external returns(NftId id); function registerInstance( address instanceRegistry, string memory displayName, string memory uri ) external returns(NftId id); function registerComponent( bytes32 instanceId, uint256 componentId, string memory uri ) external returns(NftId id); function registerBundle( bytes32 instanceId, uint256 riskpoolId, uint256 bundleId, string memory displayName, uint256 expiryAt ) external returns(NftId id); function setObjectState(NftId id, ObjectState state) external; //--- view and pure functions ------------------// function getNft() external view returns(IChainNft); function getStaking() external view returns(IStaking); function exists(NftId id) external view returns(bool); // generic accessors function objects(ChainId chain, ObjectType t) external view returns(uint256 numberOfObjects); function getNftId(ChainId chain, ObjectType t, uint256 idx) external view returns(NftId id); function getNftInfo(NftId id) external view returns(NftInfo memory); function ownerOf(NftId id) external view returns(address nftOwner); // chain specific accessors function chains() external view returns(uint256 numberOfChains); function getChainId(uint256 idx) external view returns(ChainId chain); function getChainNftId(ChainId chain) external view returns(NftId id); // type specific accessors function getRegistryNftId(ChainId chain) external view returns(NftId id); function getTokenNftId(ChainId chain, address token) external view returns(NftId id); function getInstanceNftId(bytes32 instanceId) external view returns(NftId id); function getComponentNftId(bytes32 instanceId, uint256 componentId) external view returns(NftId id); function getBundleNftId(bytes32 instanceId, uint256 componentId) external view returns(NftId id); function decodeRegistryData(NftId id) external view returns(address registry); function decodeTokenData(NftId id) external view returns(address token); function decodeInstanceData(NftId id) external view returns( bytes32 instanceId, address registry, string memory displayName); function decodeComponentData(NftId id) external view returns( bytes32 instanceId, uint256 componentId, address token); function decodeBundleData(NftId id) external view returns( bytes32 instanceId, uint256 riskpoolId, uint256 bundleId, address token, string memory displayName, uint256 expiryAt); function decodeStakeData(NftId id) external view returns( NftId target, ObjectType targetType); function toChain(uint256 chainId) external pure returns(ChainId); // only same chain: utility to get reference to instance service for specified instance id function getInstanceServiceFacade(bytes32 instanceId) external view returns(IInstanceServiceFacade instanceService); // only same chain: utilitiv function to probe an instance given its registry address function probeInstance(address registry) external view returns( bool isContract, uint256 contractSize, ChainId chain, bytes32 istanceId, bool isValidId, IInstanceServiceFacade instanceService); function implementsIChainRegistry() external pure returns(bool); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.19; // restriction: uint<n> n needs to be different for each type to support function overloading // allows for chain ids up to 13 digits type ChainId is bytes5; using { eqChainId as ==, neqChainId as != } for ChainId global; function eqChainId(ChainId a, ChainId b) pure returns(bool isSame) { return ChainId.unwrap(a) == ChainId.unwrap(b); } function neqChainId(ChainId a, ChainId b) pure returns(bool isDifferent) { return ChainId.unwrap(a) != ChainId.unwrap(b); } function toChainId(uint256 chainId) pure returns(ChainId) { return ChainId.wrap(bytes5(uint40(chainId)));} function thisChainId() view returns(ChainId) { return toChainId(block.chainid); } type Timestamp is uint40; using { gtTimestamp as >, gteTimestamp as >=, ltTimestamp as <, lteTimestamp as <=, eqTimestamp as ==, neqTimestamp as != } for Timestamp global; function gtTimestamp(Timestamp a, Timestamp b) pure returns(bool) { return Timestamp.unwrap(a) > Timestamp.unwrap(b); } function gteTimestamp(Timestamp a, Timestamp b) pure returns(bool) { return Timestamp.unwrap(a) >= Timestamp.unwrap(b); } function ltTimestamp(Timestamp a, Timestamp b) pure returns(bool) { return Timestamp.unwrap(a) < Timestamp.unwrap(b); } function lteTimestamp(Timestamp a, Timestamp b) pure returns(bool) { return Timestamp.unwrap(a) <= Timestamp.unwrap(b); } function eqTimestamp(Timestamp a, Timestamp b) pure returns(bool) { return Timestamp.unwrap(a) == Timestamp.unwrap(b); } function neqTimestamp(Timestamp a, Timestamp b) pure returns(bool) { return Timestamp.unwrap(a) != Timestamp.unwrap(b); } function toTimestamp(uint256 timestamp) pure returns(Timestamp) { return Timestamp.wrap(uint40(timestamp));} // solhint-disable-next-line not-rely-on-time function blockTimestamp() view returns(Timestamp) { return toTimestamp(block.timestamp); } function zeroTimestamp() pure returns(Timestamp) { return toTimestamp(0); } type Blocknumber is uint32; interface IBaseTypes { function intToBytes(uint256 x, uint8 shift) external pure returns(bytes memory); function toInt(Blocknumber x) external pure returns(uint); function toInt(Timestamp x) external pure returns(uint); function toInt(ChainId x) external pure returns(uint); function blockNumber() external view returns(Blocknumber); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.19; // restriction: uint<n> n needs to be different for each type to support function overloading type VersionPart is uint16; type Version is uint48; // to concatenate major,minor,patch version parts using { gtVersion as >, gteVersion as >=, eqVersion as == } for Version global; function gtVersion(Version a, Version b) pure returns(bool isGreaterThan) { return Version.unwrap(a) > Version.unwrap(b); } function gteVersion(Version a, Version b) pure returns(bool isGreaterOrSame) { return Version.unwrap(a) >= Version.unwrap(b); } function eqVersion(Version a, Version b) pure returns(bool isSame) { return Version.unwrap(a) == Version.unwrap(b); } function versionPartToInt(VersionPart x) pure returns(uint) { return VersionPart.unwrap(x); } function versionToInt(Version x) pure returns(uint) { return Version.unwrap(x); } function toVersionPart(uint16 versionPart) pure returns(VersionPart) { return VersionPart.wrap(versionPart); } function toVersion( VersionPart major, VersionPart minor, VersionPart patch ) pure returns(Version) { uint majorInt = versionPartToInt(major); uint minorInt = versionPartToInt(minor); uint patchInt = versionPartToInt(patch); return Version.wrap( uint48( (majorInt << 32) + (minorInt << 16) + patchInt)); } function zeroVersion() pure returns(Version) { return toVersion(toVersionPart(0), toVersionPart(0), toVersionPart(0)); } function toVersionParts(Version _version) pure returns( VersionPart major, VersionPart minor, VersionPart patch ) { uint versionInt = versionToInt(_version); uint16 majorInt = uint16(versionInt >> 32); versionInt -= majorInt << 32; uint16 minorInt = uint16(versionInt >> 16); uint16 patchInt = uint16(versionInt - (minorInt << 16)); return ( toVersionPart(majorInt), toVersionPart(minorInt), toVersionPart(patchInt) ); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.19; import {Blocknumber, Timestamp} from "IBaseTypes.sol"; import {Version, VersionPart} from "IVersionType.sol"; interface IVersionable { struct VersionInfo { Version version; address implementation; address activatedBy; Blocknumber activatedIn; Timestamp activatedAt; } event LogVersionableActivated(Version version, address implementation, address activatedBy); /** * @dev IMPORTANT this function needs to be implemented by each new version * any such activate implementation needs to call internal function call _activate() * any new version needs to inherit from previous version */ function activate(address implementation, address activatedBy) external; function isActivated(Version _version) external view returns(bool); // returns current version (ideally immutable) function version() external pure returns(Version); function versionParts() external pure returns( VersionPart major, VersionPart minor, VersionPart patch ); function versions() external view returns(uint256); function getVersion(uint256 idx) external view returns(Version); function getVersionInfo(Version _version) external view returns(VersionInfo memory); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.19; import {IERC20Metadata} from "IERC20Metadata.sol"; import {ChainId, Timestamp} from "IBaseTypes.sol"; import {Version} from "IVersionType.sol"; import {IVersionable} from "IVersionable.sol"; import {UFixed} from "UFixedMath.sol"; import {NftId} from "IChainNft.sol"; import {IChainRegistry, ObjectType} from "IChainRegistry.sol"; import {IInstanceServiceFacade} from "IInstanceServiceFacade.sol"; interface IStaking is IVersionable { struct StakeInfo { NftId id; NftId target; uint256 stakeBalance; uint256 rewardBalance; Timestamp createdAt; Timestamp updatedAt; Version version; } event LogStakingWalletChanged(address user, address oldWallet, address newWallet); event LogStakingRewardReservesIncreased(address user, uint256 amount, uint256 newBalance); event LogStakingRewardReservesDecreased(address user, uint256 amount, uint256 newBalance); event LogStakingRewardRateSet(address user, UFixed oldRewardRate, UFixed newRewardRate); event LogStakingStakingRateSet(address user, ChainId chain, address token, UFixed oldStakingRate, UFixed newStakingRate); event LogStakingNewStakeCreated(NftId target, address user, NftId id); event LogStakingStaked(NftId target, address user, NftId id, uint256 amount, uint256 newBalance); event LogStakingUnstaked(NftId target, address user, NftId id, uint256 amount, uint256 newBalance); event LogStakingRewardsUpdated(NftId id, uint256 amount, uint256 newBalance); event LogStakingRewardsClaimed(NftId id, uint256 amount, uint256 newBalance); //--- state changing functions ------------------// function setStakingWallet(address stakingWalletNew) external; function refillRewardReserves(uint256 dipAmount) external; function withdrawRewardReserves(uint256 dipAmount) external; function setRewardRate(UFixed rewardRate) external; function setStakingRate(ChainId chain, address token, UFixed stakingRate) external; function createStake(NftId target, uint256 dipAmount) external returns(NftId id); function stake(NftId id, uint256 dipAmount) external; function unstake(NftId id, uint256 dipAmount) external; function unstakeAndClaimRewards(NftId id) external; function claimRewards(NftId id) external; //--- view and pure functions ------------------// function getRegistry() external view returns(IChainRegistry); function maxRewardRate() external view returns(UFixed rate); function rewardRate() external view returns(UFixed rate); function rewardBalance() external view returns(uint256 dipAmount); function rewardReserves() external view returns(uint256 dipAmount); function stakeBalance() external view returns(uint256 dipAmount); function stakingRate(ChainId chain, address token) external view returns(UFixed stakingRate); function getStakingWallet() external view returns(address stakingWallet); function getDip() external view returns(IERC20Metadata); function isStakeOwner(NftId id, address user) external view returns(bool isOwner); function getInfo(NftId id) external view returns(StakeInfo memory info); function stakes(NftId target) external view returns(uint256 dipAmount); function capitalSupport(NftId target) external view returns(uint256 capitalAmount); function isStakingSupportedForType(ObjectType targetType) external view returns(bool isSupported); function isStakingSupported(NftId target) external view returns(bool isSupported); function isUnstakingSupported(NftId target) external view returns(bool isSupported); function calculateRewardsIncrement(StakeInfo memory stakeInfo) external view returns(uint256 rewardsAmount); function calculateRewards(uint256 amount, uint256 duration) external view returns(uint256 rewardAmount); function calculateRequiredStaking(ChainId chain, address token, uint256 tokenAmount) external view returns(uint256 dipAmount); function calculateCapitalSupport(ChainId chain, address token, uint256 dipAmount) external view returns(uint256 tokenAmount); function toChain(uint256 chainId) external pure returns(ChainId); function toRate(uint256 value, int8 exp) external pure returns(UFixed); function rateDecimals() external pure returns(uint256 decimals); //--- view and pure functions (target type specific) ------------------// function getBundleInfo(NftId bundle) external view returns( bytes32 instanceId, uint256 riskpoolId, uint256 bundleId, address token, string memory displayName, IInstanceServiceFacade.BundleState bundleState, Timestamp expiryAt, bool stakingSupported, bool unstakingSupported, uint256 stakeBalance ); function implementsIStaking() external pure returns(bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol) pragma solidity ^0.8.0; import "IERC20.sol"; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 amount ) external returns (bool); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.19; import {Math} from "Math.sol"; type UFixed is uint256; using { addUFixed as +, subUFixed as -, mulUFixed as *, divUFixed as /, gtUFixed as >, gteUFixed as >=, ltUFixed as <, lteUFixed as <=, eqUFixed as == } for UFixed global; function addUFixed(UFixed a, UFixed b) pure returns(UFixed) { return UFixed.wrap(UFixed.unwrap(a) + UFixed.unwrap(b)); } function subUFixed(UFixed a, UFixed b) pure returns(UFixed) { require(a >= b, "ERROR:UFM-010:NEGATIVE_RESULT"); return UFixed.wrap(UFixed.unwrap(a) - UFixed.unwrap(b)); } function mulUFixed(UFixed a, UFixed b) pure returns(UFixed) { return UFixed.wrap(Math.mulDiv(UFixed.unwrap(a), UFixed.unwrap(b), 10 ** 18)); } function divUFixed(UFixed a, UFixed b) pure returns(UFixed) { require(UFixed.unwrap(b) > 0, "ERROR:UFM-020:DIVISOR_ZERO"); return UFixed.wrap( Math.mulDiv( UFixed.unwrap(a), 10 ** 18, UFixed.unwrap(b))); } function gtUFixed(UFixed a, UFixed b) pure returns(bool isGreaterThan) { return UFixed.unwrap(a) > UFixed.unwrap(b); } function gteUFixed(UFixed a, UFixed b) pure returns(bool isGreaterThan) { return UFixed.unwrap(a) >= UFixed.unwrap(b); } function ltUFixed(UFixed a, UFixed b) pure returns(bool isGreaterThan) { return UFixed.unwrap(a) < UFixed.unwrap(b); } function lteUFixed(UFixed a, UFixed b) pure returns(bool isGreaterThan) { return UFixed.unwrap(a) <= UFixed.unwrap(b); } function eqUFixed(UFixed a, UFixed b) pure returns(bool isEqual) { return UFixed.unwrap(a) == UFixed.unwrap(b); } function gtz(UFixed a) pure returns(bool isZero) { return UFixed.unwrap(a) > 0; } function eqz(UFixed a) pure returns(bool isZero) { return UFixed.unwrap(a) == 0; } function delta(UFixed a, UFixed b) pure returns(UFixed) { if(a > b) { return a - b; } return b - a; } contract UFixedType { enum Rounding { Down, // floor(value) Up, // = ceil(value) HalfUp // = floor(value + 0.5) } int8 public constant EXP = 18; uint256 public constant MULTIPLIER = 10 ** uint256(int256(EXP)); uint256 public constant MULTIPLIER_HALF = MULTIPLIER / 2; Rounding public constant ROUNDING_DEFAULT = Rounding.HalfUp; function decimals() public pure returns(uint256) { return uint8(EXP); } function itof(uint256 a) public pure returns(UFixed) { return UFixed.wrap(a * MULTIPLIER); } function itof(uint256 a, int8 exp) public pure returns(UFixed) { require(EXP + exp >= 0, "ERROR:FM-010:EXPONENT_TOO_SMALL"); require(EXP + exp <= 2 * EXP, "ERROR:FM-011:EXPONENT_TOO_LARGE"); return UFixed.wrap(a * 10 ** uint8(EXP + exp)); } function ftoi(UFixed a) public pure returns(uint256) { return ftoi(a, ROUNDING_DEFAULT); } function ftoi(UFixed a, Rounding rounding) public pure returns(uint256) { if(rounding == Rounding.HalfUp) { return Math.mulDiv(UFixed.unwrap(a) + MULTIPLIER_HALF, 1, MULTIPLIER, Math.Rounding.Down); } else if(rounding == Rounding.Down) { return Math.mulDiv(UFixed.unwrap(a), 1, MULTIPLIER, Math.Rounding.Down); } else { return Math.mulDiv(UFixed.unwrap(a), 1, MULTIPLIER, Math.Rounding.Up); } } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.19; import {IERC20Metadata} from "IERC20Metadata.sol"; // needs to be in sync with definition in IInstanceService interface IComponent { function getId() external view returns(uint256); } interface IInstanceServiceFacade { // needs to be in sync with definition in IComponent enum ComponentType { Oracle, Product, Riskpool } // needs to be in sync with definition in IComponent enum ComponentState { Created, Proposed, Declined, Active, Paused, Suspended, Archived } // needs to be in sync with definition in IBundle enum BundleState { Active, Locked, Closed, Burned } // needs to be in sync with definition in IBundle struct Bundle { uint256 id; uint256 riskpoolId; uint256 tokenId; BundleState state; bytes filter; // required conditions for applications to be considered for collateralization by this bundle uint256 capital; // net investment capital amount (<= balance) uint256 lockedCapital; // capital amount linked to collateralizaion of non-closed policies (<= capital) uint256 balance; // total amount of funds: net investment capital + net premiums - payouts uint256 createdAt; uint256 updatedAt; } function getChainId() external view returns(uint256 chainId); function getInstanceId() external view returns(bytes32 instanceId); function getInstanceOperator() external view returns(address instanceOperator); function getComponent(uint256 componentId) external view returns(IComponent component); function getComponentType(uint256 componentId) external view returns(ComponentType componentType); function getComponentState(uint256 componentId) external view returns(ComponentState componentState); function getComponentToken(uint256 componentId) external view returns(IERC20Metadata token); function getBundle(uint256 bundleId) external view returns(Bundle memory bundle); }
{ "evmVersion": "istanbul", "optimizer": { "enabled": true, "runs": 200 }, "libraries": { "ChainNft.sol": {} }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"registry","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"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":"NAME","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SYMBOL","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"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":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"exists","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRegistry","outputs":[{"internalType":"contract IChainRegistry","name":"registry","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"implementsIChainNft","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"string","name":"uri","type":"string"}],"name":"mint","outputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"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":"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":"uint256","name":"tokenId","type":"uint256"},{"internalType":"string","name":"uri","type":"string"}],"name":"setURI","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":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"totalMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000afdf702b7161fdae8542f80b1851d311a3b23c5f
-----Decoded View---------------
Arg [0] : registry (address): 0xaFdf702B7161fDaE8542F80B1851d311A3b23C5f
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000afdf702b7161fdae8542f80b1851d311a3b23c5f
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.