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{
"language": "Solidity",
"sources": {
"contracts/SmashverseMintPass.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.9;\n\nimport \"./ERC721Custom.sol\";\nimport \"./NonblockingReceiverCollectableBox.sol\";\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\nimport \"@openzeppelin/contracts/utils/cryptography/ECDSA.sol\";\n\ncontract SmashverseMintPass is ERC721Custom, Ownable, NonblockingReceiverCollectableBox {\n using ECDSA for bytes32;\n\n string private _baseURIString;\n uint256 public transferDeadline;\n uint16 public royaltyPerTenThousand;\n address public nftContractAddress;\n address public royaltyReceiver;\n address public unclaimedBoxReceiver;\n\n mapping(uint256 => bool) public claimed;\n\n error BoxAlreadyClaimed();\n error InvalidSignature();\n error CallerNotNFTContract();\n error NFTContractAlreadySet();\n error BoxDoesNotExist();\n error InvalidSequence();\n error DeadlineNotPassed();\n error TimestampLessThanDeadline();\n\n event DeadlineExtended(uint256 deadline);\n\n constructor(\n string memory name_,\n string memory symbol_,\n uint16 sourceChainId_,\n address collectorContractAddress_,\n address lzEndpoint_,\n uint256 transferDeadline_\n ) ERC721Custom(name_, symbol_) {\n _lzEndpoint = ILayerZeroEndpoint(lzEndpoint_);\n sourceChainId = sourceChainId_;\n collectorContractAddress = abi.encodePacked(collectorContractAddress_);\n transferDeadline = transferDeadline_;\n unclaimedBoxReceiver = msg.sender;\n }\n\n modifier onlyNFTContract() {\n if (msg.sender != nftContractAddress) revert CallerNotNFTContract();\n _;\n }\n\n modifier onlyAfterDeadline() {\n if (block.timestamp <= transferDeadline) revert DeadlineNotPassed();\n _;\n }\n\n function setNFTContractAddress(address nftContractAddress_) public onlyOwner {\n if (nftContractAddress != address(0)) revert NFTContractAlreadySet();\n nftContractAddress = nftContractAddress_;\n }\n\n function _lzReceive(bytes memory payload_) internal virtual override {\n (address owner, uint256[] memory tokenIds) = abi.decode(payload_, (address, uint256[]));\n for (uint256 i = 0; i < tokenIds.length; i++) {\n uint256 tokenId = tokenIds[i];\n if (tokenId >= 750) revert BoxDoesNotExist();\n if (claimed[tokenId]) revert BoxAlreadyClaimed();\n claimed[tokenId] = true;\n _safeMint(owner, tokenId);\n }\n }\n\n function burn(uint256 tokenId_) public onlyNFTContract {\n _burn(tokenId_);\n }\n\n function royaltyInfo(uint256 tokenId_, uint256 salePrice_)\n external\n view\n returns (address receiver, uint256 royaltyAmount)\n {\n if (!_exists(tokenId_)) revert QueryForNonexistentToken();\n receiver = royaltyReceiver;\n royaltyAmount = (salePrice_ * royaltyPerTenThousand) / 10000;\n }\n\n function setRoyaltyInfo(address receiver_, uint16 perTenThousand_) public onlyOwner {\n royaltyReceiver = receiver_;\n royaltyPerTenThousand = perTenThousand_;\n }\n\n function _baseURI() internal view virtual override returns (string memory) {\n return _baseURIString;\n }\n\n function setBaseURI(string calldata baseURI_) external onlyOwner {\n _baseURIString = baseURI_;\n }\n\n function mintUnclaimedBoxes(uint256[] calldata tokenIds_) public onlyOwner onlyAfterDeadline {\n for (uint256 i = 0; i < tokenIds_.length; i++) {\n uint256 tokenId = tokenIds_[i];\n if (tokenId >= 750 || (i != 0 && tokenIds_[i - 1] >= tokenId)) revert InvalidSequence();\n if (claimed[tokenId]) revert BoxAlreadyClaimed();\n }\n for (uint256 i = 0; i < tokenIds_.length; i++) {\n uint256 tokenId = tokenIds_[i];\n claimed[tokenId] = true;\n _safeMint(unclaimedBoxReceiver, tokenId);\n }\n }\n\n function extendDeadline(uint256 transferDeadline_) public onlyOwner {\n if (transferDeadline > transferDeadline_) revert TimestampLessThanDeadline();\n transferDeadline = transferDeadline_;\n emit DeadlineExtended(transferDeadline_);\n }\n\n function setUnclaimedBoxReceiver(address unclaimedBoxReceiver_) public onlyOwner {\n unclaimedBoxReceiver = unclaimedBoxReceiver_;\n }\n}\n"
},
"contracts/ERC721Custom.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.9;\n\nimport \"./interfaces/IERC721Custom.sol\";\nimport \"@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol\";\nimport \"@openzeppelin/contracts/utils/Context.sol\";\nimport \"@openzeppelin/contracts/utils/introspection/ERC165.sol\";\nimport \"@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol\";\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\nimport \"@openzeppelin/contracts/utils/Address.sol\";\n\ncontract ERC721Custom is Context, ERC165, IERC721Custom {\n using Address for address;\n using Strings for uint256;\n\n string private _name;\n string private _symbol;\n\n mapping(uint256 => address) internal _owners;\n mapping(uint256 => address) internal _tokenApprovals;\n mapping(address => mapping(address => bool)) internal _operatorApprovals;\n mapping(address => uint256) internal _balances;\n\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return\n interfaceId == type(IERC721).interfaceId ||\n interfaceId == type(IERC721Metadata).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n function balanceOf(address owner) public view returns (uint256) {\n if (owner == address(0)) revert QueryForZeroAddress();\n return _balances[owner];\n }\n\n function ownerOf(uint256 tokenId) public view returns (address) {\n if (!_exists(tokenId)) revert QueryForNonexistentToken();\n return _owners[tokenId];\n }\n\n function name() external view virtual returns (string memory) {\n return _name;\n }\n\n function symbol() external view virtual returns (string memory) {\n return _symbol;\n }\n\n function tokenURI(uint256 tokenId) external view virtual returns (string memory) {\n if (!_exists(tokenId)) revert QueryForNonexistentToken();\n\n string memory baseURI = _baseURI();\n return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : \"\";\n }\n\n function _baseURI() internal view virtual returns (string memory) {\n return \"\";\n }\n\n function _exists(uint256 tokenId) internal view virtual returns (bool) {\n return _owners[tokenId] != address(0);\n }\n\n function approve(address to, uint256 tokenId) public virtual override {\n address owner = ownerOf(tokenId);\n if (to == owner) revert ApprovalToCurrentOwner();\n\n if (!(_msgSender() == owner || isApprovedForAll(owner, _msgSender()))) revert CallerNotOwnerNorApproved();\n\n _approve(to, tokenId);\n }\n\n function getApproved(uint256 tokenId) public view virtual override returns (address) {\n if (!_exists(tokenId)) revert QueryForNonexistentToken();\n\n return _tokenApprovals[tokenId];\n }\n\n function setApprovalForAll(address operator, bool approved) public virtual override {\n _setApprovalForAll(_msgSender(), operator, approved);\n }\n\n function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {\n return _operatorApprovals[owner][operator];\n }\n\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n //solhint-disable-next-line max-line-length\n if (!_isApprovedOrOwner(_msgSender(), tokenId)) revert CallerNotOwnerNorApproved();\n\n _transfer(from, to, tokenId);\n }\n\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n safeTransferFrom(from, to, tokenId, \"\");\n }\n\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes memory _data\n ) public virtual override {\n if (!_isApprovedOrOwner(_msgSender(), tokenId)) revert CallerNotOwnerNorApproved();\n\n _safeTransfer(from, to, tokenId, _data);\n }\n\n function _safeTransfer(\n address from,\n address to,\n uint256 tokenId,\n bytes memory _data\n ) internal virtual {\n _transfer(from, to, tokenId);\n if (!_checkOnERC721Received(from, to, tokenId, _data)) revert TransferToNonERC721ReceiverImplementer();\n }\n\n function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {\n address owner = ownerOf(tokenId);\n return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender);\n }\n\n function _safeMint(address to, uint256 tokenId) internal virtual {\n _safeMint(to, tokenId, \"\");\n }\n\n function _safeMint(\n address to,\n uint256 tokenId,\n bytes memory _data\n ) internal virtual {\n _mint(to, tokenId);\n if (!_checkOnERC721Received(address(0), to, tokenId, _data)) revert TransferToNonERC721ReceiverImplementer();\n }\n\n function _mint(address to, uint256 tokenId) internal virtual {\n if (to == address(0)) revert MintToZeroAddress();\n if (_exists(tokenId)) revert MintForPreExistentToken();\n\n _beforeTokenTransfer(address(0), to, tokenId);\n\n _balances[to] += 1;\n _owners[tokenId] = to;\n\n emit Transfer(address(0), to, tokenId);\n\n _afterTokenTransfer(address(0), to, tokenId);\n }\n\n function _burn(uint256 tokenId) internal virtual {\n address owner = ownerOf(tokenId);\n\n _beforeTokenTransfer(owner, address(0), tokenId);\n\n // Clear approvals\n _approve(address(0), tokenId);\n\n _balances[owner] -= 1;\n delete _owners[tokenId];\n\n emit Transfer(owner, address(0), tokenId);\n\n _afterTokenTransfer(owner, address(0), tokenId);\n }\n\n function _transfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual {\n if (ownerOf(tokenId) != from) revert TransferFromIncorrectOwner();\n if (to == address(0)) revert TransferToZeroAddress();\n\n _beforeTokenTransfer(from, to, tokenId);\n\n // Clear approvals from the previous owner\n _approve(address(0), tokenId);\n\n _balances[from] -= 1;\n _balances[to] += 1;\n _owners[tokenId] = to;\n\n emit Transfer(from, to, tokenId);\n\n _afterTokenTransfer(from, to, tokenId);\n }\n\n function _approve(address to, uint256 tokenId) internal virtual {\n _beforeApprove(ownerOf(tokenId), to, tokenId);\n _tokenApprovals[tokenId] = to;\n emit Approval(ownerOf(tokenId), to, tokenId);\n }\n\n function _setApprovalForAll(\n address owner,\n address operator,\n bool approved\n ) internal virtual {\n if (owner == operator) revert ApproveToCaller();\n _operatorApprovals[owner][operator] = approved;\n emit ApprovalForAll(owner, operator, approved);\n }\n\n function _checkOnERC721Received(\n address from,\n address to,\n uint256 tokenId,\n bytes memory _data\n ) private returns (bool) {\n if (to.isContract()) {\n try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {\n return retval == IERC721Receiver.onERC721Received.selector;\n } catch (bytes memory reason) {\n if (reason.length == 0) {\n revert TransferToNonERC721ReceiverImplementer();\n } else {\n // solhint-disable-next-line no-inline-assembly\n assembly {\n revert(add(32, reason), mload(reason))\n }\n }\n }\n } else {\n return true;\n }\n }\n\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual {}\n\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual {}\n\n function _beforeApprove(\n address owner,\n address to,\n uint256 tokenId\n ) internal virtual {}\n}\n"
},
"contracts/NonblockingReceiverCollectableBox.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity ^0.8.9;\n\nimport \"./interfaces/ILayerZeroReceiver.sol\";\nimport \"./interfaces/ILayerZeroEndpoint.sol\";\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\n\nabstract contract NonblockingReceiverCollectableBox is Ownable, ILayerZeroReceiver {\n ILayerZeroEndpoint internal _lzEndpoint;\n\n error LayerZero__InvalidSourceChainContract();\n error LayerZero__InvalidSourceChain();\n error LayerZero__CallerNotLzEndpoint();\n error LayerZero__CallerNotBridge();\n error LayerZero__NoStoredMessage();\n error LayerZero__InvalidPayload();\n\n struct FailedMessages {\n uint256 payloadLength;\n bytes32 payloadHash;\n }\n\n mapping(uint16 => mapping(bytes => mapping(uint256 => FailedMessages))) public failedMessages;\n uint16 public sourceChainId;\n bytes public collectorContractAddress;\n\n event MessageFailed(uint16 _srcChainId, bytes _trustedRemote, uint64 _nonce, bytes _payload);\n\n function lzReceive(\n uint16 _srcChainId,\n bytes memory _trustedRemote,\n uint64 _nonce,\n bytes memory _payload\n ) external override {\n if (msg.sender != address(_lzEndpoint)) revert LayerZero__CallerNotLzEndpoint(); // boilerplate! lzReceive must be called by the endpoint for security\n if (_srcChainId != sourceChainId) revert LayerZero__InvalidSourceChain();\n bytes memory trustedRemote = abi.encodePacked(collectorContractAddress, address(this));\n if (_trustedRemote.length != trustedRemote.length || keccak256(_trustedRemote) != keccak256(trustedRemote))\n revert LayerZero__InvalidSourceChainContract();\n\n // try-catch all errors/exceptions\n // having failed messages does not block messages passing\n // solhint-disable-next-line no-empty-blocks\n try this.onLzReceive(_payload) {\n // do nothing\n } catch {\n // error / exception\n failedMessages[_srcChainId][_trustedRemote][_nonce] = FailedMessages(_payload.length, keccak256(_payload));\n emit MessageFailed(_srcChainId, _trustedRemote, _nonce, _payload);\n }\n }\n\n function onLzReceive(bytes memory _payload) public {\n // only internal transaction\n if (msg.sender != address(this)) revert LayerZero__CallerNotBridge();\n\n // handle incoming message\n _lzReceive(_payload);\n }\n\n // abstract function\n function _lzReceive(bytes memory _payload) internal virtual;\n\n function retryMessage(\n uint16 _srcChainId,\n bytes memory _trustedRemote,\n uint64 _nonce,\n bytes calldata _payload\n ) external payable {\n // assert there is message to retry\n FailedMessages storage failedMsg = failedMessages[_srcChainId][_trustedRemote][_nonce];\n if (failedMsg.payloadHash == bytes32(0)) revert LayerZero__NoStoredMessage();\n if (_payload.length != failedMsg.payloadLength || keccak256(_payload) != failedMsg.payloadHash)\n revert LayerZero__InvalidPayload();\n // clear the stored message\n failedMsg.payloadLength = 0;\n failedMsg.payloadHash = bytes32(0);\n // execute the message. revert if it fails again\n this.onLzReceive(_payload);\n }\n}\n"
},
"@openzeppelin/contracts/access/Ownable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev Initializes the contract setting the deployer as the initial owner.\n */\n constructor() {\n _transferOwnership(_msgSender());\n }\n\n /**\n * @dev Returns the address of the current owner.\n */\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n _;\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions anymore. Can only be called by the current owner.\n *\n * NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby removing any functionality that is only available to the owner.\n */\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n */\n function transferOwnership(address newOwner) public virtual onlyOwner {\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n */\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n"
},
"@openzeppelin/contracts/utils/cryptography/ECDSA.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/ECDSA.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../Strings.sol\";\n\n/**\n * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\n *\n * These functions can be used to verify that a message was signed by the holder\n * of the private keys of a given address.\n */\nlibrary ECDSA {\n enum RecoverError {\n NoError,\n InvalidSignature,\n InvalidSignatureLength,\n InvalidSignatureS,\n InvalidSignatureV\n }\n\n function _throwError(RecoverError error) private pure {\n if (error == RecoverError.NoError) {\n return; // no error: do nothing\n } else if (error == RecoverError.InvalidSignature) {\n revert(\"ECDSA: invalid signature\");\n } else if (error == RecoverError.InvalidSignatureLength) {\n revert(\"ECDSA: invalid signature length\");\n } else if (error == RecoverError.InvalidSignatureS) {\n revert(\"ECDSA: invalid signature 's' value\");\n } else if (error == RecoverError.InvalidSignatureV) {\n revert(\"ECDSA: invalid signature 'v' value\");\n }\n }\n\n /**\n * @dev Returns the address that signed a hashed message (`hash`) with\n * `signature` or error string. This address can then be used for verification purposes.\n *\n * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n *\n * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {toEthSignedMessageHash} on it.\n *\n * Documentation for signature generation:\n * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]\n * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]\n *\n * _Available since v4.3._\n */\n function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {\n // Check the signature length\n // - case 65: r,s,v signature (standard)\n // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._\n if (signature.length == 65) {\n bytes32 r;\n bytes32 s;\n uint8 v;\n // ecrecover takes the signature parameters, and the only way to get them\n // currently is to use assembly.\n assembly {\n r := mload(add(signature, 0x20))\n s := mload(add(signature, 0x40))\n v := byte(0, mload(add(signature, 0x60)))\n }\n return tryRecover(hash, v, r, s);\n } else if (signature.length == 64) {\n bytes32 r;\n bytes32 vs;\n // ecrecover takes the signature parameters, and the only way to get them\n // currently is to use assembly.\n assembly {\n r := mload(add(signature, 0x20))\n vs := mload(add(signature, 0x40))\n }\n return tryRecover(hash, r, vs);\n } else {\n return (address(0), RecoverError.InvalidSignatureLength);\n }\n }\n\n /**\n * @dev Returns the address that signed a hashed message (`hash`) with\n * `signature`. This address can then be used for verification purposes.\n *\n * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n *\n * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {toEthSignedMessageHash} on it.\n */\n function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, signature);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.\n *\n * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]\n *\n * _Available since v4.3._\n */\n function tryRecover(\n bytes32 hash,\n bytes32 r,\n bytes32 vs\n ) internal pure returns (address, RecoverError) {\n bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);\n uint8 v = uint8((uint256(vs) >> 255) + 27);\n return tryRecover(hash, v, r, s);\n }\n\n /**\n * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n *\n * _Available since v4.2._\n */\n function recover(\n bytes32 hash,\n bytes32 r,\n bytes32 vs\n ) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, r, vs);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Overload of {ECDSA-tryRecover} that receives the `v`,\n * `r` and `s` signature fields separately.\n *\n * _Available since v4.3._\n */\n function tryRecover(\n bytes32 hash,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal pure returns (address, RecoverError) {\n // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature\n // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines\n // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most\n // signatures from current libraries generate a unique signature with an s-value in the lower half order.\n //\n // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value\n // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or\n // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept\n // these malleable signatures as well.\n if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {\n return (address(0), RecoverError.InvalidSignatureS);\n }\n if (v != 27 && v != 28) {\n return (address(0), RecoverError.InvalidSignatureV);\n }\n\n // If the signature is valid (and not malleable), return the signer address\n address signer = ecrecover(hash, v, r, s);\n if (signer == address(0)) {\n return (address(0), RecoverError.InvalidSignature);\n }\n\n return (signer, RecoverError.NoError);\n }\n\n /**\n * @dev Overload of {ECDSA-recover} that receives the `v`,\n * `r` and `s` signature fields separately.\n */\n function recover(\n bytes32 hash,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, v, r, s);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Returns an Ethereum Signed Message, created from a `hash`. This\n * produces hash corresponding to the one signed with the\n * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n * JSON-RPC method as part of EIP-191.\n *\n * See {recover}.\n */\n function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {\n // 32 is the length in bytes of hash,\n // enforced by the type signature above\n return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n32\", hash));\n }\n\n /**\n * @dev Returns an Ethereum Signed Message, created from `s`. This\n * produces hash corresponding to the one signed with the\n * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n * JSON-RPC method as part of EIP-191.\n *\n * See {recover}.\n */\n function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n\", Strings.toString(s.length), s));\n }\n\n /**\n * @dev Returns an Ethereum Signed Typed Data, created from a\n * `domainSeparator` and a `structHash`. This produces hash corresponding\n * to the one signed with the\n * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]\n * JSON-RPC method as part of EIP-712.\n *\n * See {recover}.\n */\n function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(\"\\x19\\x01\", domainSeparator, structHash));\n }\n}\n"
},
"contracts/interfaces/IERC721Custom.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.9;\n\nimport \"@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol\";\n\ninterface IERC721Custom is IERC721Metadata {\n /**\n * The caller must own the token or be an approved operator.\n */\n error CallerNotOwnerNorApproved();\n\n /**\n * The token does not exist.\n */\n error QueryForNonexistentToken();\n\n /**\n * The caller cannot approve to their own address.\n */\n error ApproveToCaller();\n\n /**\n * The caller cannot approve to the current owner.\n */\n error ApprovalToCurrentOwner();\n\n /**\n * Cannot query the balance for the zero address.\n */\n error QueryForZeroAddress();\n\n /**\n * Cannot mint to the zero address.\n */\n error MintToZeroAddress();\n\n /**\n * The quantity of tokens minted must be more than zero.\n */\n error MintForPreExistentToken();\n\n /**\n * The token must be owned by `from`.\n */\n error TransferFromIncorrectOwner();\n\n /**\n * Cannot safely transfer to a contract that does not implement the ERC721Receiver interface.\n */\n error TransferToNonERC721ReceiverImplementer();\n\n /**\n * Cannot transfer to the zero address.\n */\n error TransferToZeroAddress();\n}\n"
},
"@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721Receiver {\n /**\n * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n *\n * It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n *\n * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.\n */\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n"
},
"@openzeppelin/contracts/utils/Context.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n"
},
"@openzeppelin/contracts/utils/introspection/ERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n"
},
"@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC721.sol\";\n\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721Metadata is IERC721 {\n /**\n * @dev Returns the token collection name.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the token collection symbol.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n */\n function tokenURI(uint256 tokenId) external view returns (string memory);\n}\n"
},
"@openzeppelin/contracts/utils/Strings.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n */\n function toString(uint256 value) internal pure returns (string memory) {\n // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n }\n return string(buffer);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n */\n function toHexString(uint256 value) internal pure returns (string memory) {\n if (value == 0) {\n return \"0x00\";\n }\n uint256 temp = value;\n uint256 length = 0;\n while (temp != 0) {\n length++;\n temp >>= 8;\n }\n return toHexString(value, length);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n */\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 * length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _HEX_SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n}\n"
},
"@openzeppelin/contracts/utils/Address.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n"
},
"@openzeppelin/contracts/token/ERC721/IERC721.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n"
},
"@openzeppelin/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"contracts/interfaces/ILayerZeroReceiver.sol": {
"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity ^0.8.9;\n\ninterface ILayerZeroReceiver {\n // @notice LayerZero endpoint will invoke this function to deliver the message on the destination\n // @param _srcChainId - the source endpoint identifier\n // @param _srcAddress - the source sending contract address from the source chain\n // @param _nonce - the ordered message nonce\n // @param _payload - the signed payload is the UA bytes has encoded to be sent\n function lzReceive(\n uint16 _srcChainId,\n bytes calldata _srcAddress,\n uint64 _nonce,\n bytes calldata _payload\n ) external;\n}\n"
},
"contracts/interfaces/ILayerZeroEndpoint.sol": {
"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity ^0.8.9;\n\nimport \"./ILayerZeroUserApplicationConfig.sol\";\n\ninterface ILayerZeroEndpoint is ILayerZeroUserApplicationConfig {\n // @notice send a LayerZero message to the specified address at a LayerZero endpoint.\n // @param _dstChainId - the destination chain identifier\n // @param _destination - the address on destination chain (in bytes). address length/format may vary by chains\n // @param _payload - a custom bytes payload to send to the destination contract\n // @param _refundAddress - if the source transaction is cheaper than the amount of value passed, refund the additional amount to this address\n // @param _zroPaymentAddress - the address of the ZRO token holder who would pay for the transaction\n // @param _adapterParams - parameters for custom functionality. e.g. receive airdropped native gas from the relayer on destination\n function send(\n uint16 _dstChainId,\n bytes calldata _destination,\n bytes calldata _payload,\n address payable _refundAddress,\n address _zroPaymentAddress,\n bytes calldata _adapterParams\n ) external payable;\n\n // @notice used by the messaging library to publish verified payload\n // @param _srcChainId - the source chain identifier\n // @param _srcAddress - the source contract (as bytes) at the source chain\n // @param _dstAddress - the address on destination chain\n // @param _nonce - the unbound message ordering nonce\n // @param _gasLimit - the gas limit for external contract execution\n // @param _payload - verified payload to send to the destination contract\n function receivePayload(\n uint16 _srcChainId,\n bytes calldata _srcAddress,\n address _dstAddress,\n uint64 _nonce,\n uint256 _gasLimit,\n bytes calldata _payload\n ) external;\n\n // @notice get the inboundNonce of a receiver from a source chain which could be EVM or non-EVM chain\n // @param _srcChainId - the source chain identifier\n // @param _srcAddress - the source chain contract address\n function getInboundNonce(uint16 _srcChainId, bytes calldata _srcAddress)\n external\n view\n returns (uint64);\n\n // @notice get the outboundNonce from this source chain which, consequently, is always an EVM\n // @param _srcAddress - the source chain contract address\n function getOutboundNonce(uint16 _dstChainId, address _srcAddress)\n external\n view\n returns (uint64);\n\n // @notice gets a quote in source native gas, for the amount that send() requires to pay for message delivery\n // @param _dstChainId - the destination chain identifier\n // @param _userApplication - the user app address on this EVM chain\n // @param _payload - the custom message to send over LayerZero\n // @param _payInZRO - if false, user app pays the protocol fee in native token\n // @param _adapterParam - parameters for the adapter service, e.g. send some dust native token to dstChain\n function estimateFees(\n uint16 _dstChainId,\n address _userApplication,\n bytes calldata _payload,\n bool _payInZRO,\n bytes calldata _adapterParam\n ) external view returns (uint256 nativeFee, uint256 zroFee);\n\n // @notice get this Endpoint's immutable source identifier\n function getChainId() external view returns (uint16);\n\n // @notice the interface to retry failed message on this Endpoint destination\n // @param _srcChainId - the source chain identifier\n // @param _srcAddress - the source chain contract address\n // @param _payload - the payload to be retried\n function retryPayload(\n uint16 _srcChainId,\n bytes calldata _srcAddress,\n bytes calldata _payload\n ) external;\n\n // @notice query if any STORED payload (message blocking) at the endpoint.\n // @param _srcChainId - the source chain identifier\n // @param _srcAddress - the source chain contract address\n function hasStoredPayload(uint16 _srcChainId, bytes calldata _srcAddress)\n external\n view\n returns (bool);\n\n // @notice query if the _libraryAddress is valid for sending msgs.\n // @param _userApplication - the user app address on this EVM chain\n function getSendLibraryAddress(address _userApplication)\n external\n view\n returns (address);\n\n // @notice query if the _libraryAddress is valid for receiving msgs.\n // @param _userApplication - the user app address on this EVM chain\n function getReceiveLibraryAddress(address _userApplication)\n external\n view\n returns (address);\n\n // @notice query if the non-reentrancy guard for send() is on\n // @return true if the guard is on. false otherwise\n function isSendingPayload() external view returns (bool);\n\n // @notice query if the non-reentrancy guard for receive() is on\n // @return true if the guard is on. false otherwise\n function isReceivingPayload() external view returns (bool);\n\n // @notice get the configuration of the LayerZero messaging library of the specified version\n // @param _version - messaging library version\n // @param _chainId - the chainId for the pending config change\n // @param _userApplication - the contract address of the user application\n // @param _configType - type of configuration. every messaging library has its own convention.\n function getConfig(\n uint16 _version,\n uint16 _chainId,\n address _userApplication,\n uint256 _configType\n ) external view returns (bytes memory);\n\n // @notice get the send() LayerZero messaging library version\n // @param _userApplication - the contract address of the user application\n function getSendVersion(address _userApplication)\n external\n view\n returns (uint16);\n\n // @notice get the lzReceive() LayerZero messaging library version\n // @param _userApplication - the contract address of the user application\n function getReceiveVersion(address _userApplication)\n external\n view\n returns (uint16);\n}\n"
},
"contracts/interfaces/ILayerZeroUserApplicationConfig.sol": {
"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity ^0.8.9;\n\ninterface ILayerZeroUserApplicationConfig {\n // @notice set the configuration of the LayerZero messaging library of the specified version\n // @param _version - messaging library version\n // @param _chainId - the chainId for the pending config change\n // @param _configType - type of configuration. every messaging library has its own convention.\n // @param _config - configuration in the bytes. can encode arbitrary content.\n function setConfig(\n uint16 _version,\n uint16 _chainId,\n uint256 _configType,\n bytes calldata _config\n ) external;\n\n // @notice set the send() LayerZero messaging library version to _version\n // @param _version - new messaging library version\n function setSendVersion(uint16 _version) external;\n\n // @notice set the lzReceive() LayerZero messaging library version to _version\n // @param _version - new messaging library version\n function setReceiveVersion(uint16 _version) external;\n\n // @notice Only when the UA needs to resume the message flow in blocking mode and clear the stored payload\n // @param _srcChainId - the chainId of the source chain\n // @param _srcAddress - the contract address of the source contract at the source chain\n function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress)\n external;\n}\n"
}
},
"settings": {
"optimizer": {
"enabled": true,
"runs": 1000
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"libraries": {}
}
} |