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Transaction Hash MethodBlockFromToRetry Payload 65341387 2024-12-11 6:25:47 34 hrs ago 1733898347 IN 0 POL$0.00 0.00764931 30.00000003 Retry Payload 64791314 2024-11-27 11:40:25 15 days ago 1732707625 IN 0 POL$0.00 0.02462064 96.56479301 Retry Payload 64232615 2024-11-13 11:08:15 29 days ago 1731496095 IN 0 POL$0.00 0.01012577 39.7143573 Retry Payload 63689627 2024-10-30 22:17:51 42 days ago 1730326671 IN 0 POL$0.00 0.00785324 30.80271378 Retry Payload 60576130 2024-08-14 10:40:17 120 days ago 1723632017 IN 0 POL$0.00 0.00217821 30.00000012 Retry Payload 60220351 2024-08-05 11:10:56 129 days ago 1722856256 IN 0 POL$0.00 0.01127594 127.7539161 Retry Payload 58621008 2024-06-26 7:39:21 169 days ago 1719387561 IN 0 POL$0.00 0.00764895 30.00000008 Send 56640183 2024-05-06 9:39:47 220 days ago 1714988387 IN 0.24101174 POL$0.16 0.00525505 30.00008558 Send 56640172 2024-05-06 9:39:23 220 days ago 1714988363 IN 0.24101174 POL$0.16 0.00525397 30.00008974 Send 56640168 2024-05-06 9:39:15 220 days ago 1714988355 IN 0.24101174 POL$0.16 0.00525505 30.00008974 Send 56640165 2024-05-06 9:39:09 220 days ago 1714988349 IN 0.24101174 POL$0.16 0.00525505 30.00008974 Send 56640161 2024-05-06 9:39:01 220 days ago 1714988341 IN 0.24101174 POL$0.16 0.00525505 30.00008974 Send 56640157 2024-05-06 9:38:51 220 days ago 1714988331 IN 0.24101174 POL$0.16 0.00525397 30.00008974 Send 56640154 2024-05-06 9:38:45 220 days ago 1714988325 IN 0.24101174 POL$0.16 0.00525505 30.00008974 Send 56640150 2024-05-06 9:38:37 220 days ago 1714988317 IN 0.24101174 POL$0.16 0.00525505 30.00008974 Send 56640117 2024-05-06 9:37:27 220 days ago 1714988247 IN 0.24101174 POL$0.16 0.00525506 30.0001255 Send 56640078 2024-05-06 9:36:03 220 days ago 1714988163 IN 0.24101174 POL$0.16 0.00525507 30.00018059 Send 56640074 2024-05-06 9:35:55 220 days ago 1714988155 IN 0.24101174 POL$0.16 0.00525507 30.00018059 Send 56640070 2024-05-06 9:35:47 220 days ago 1714988147 IN 0.24101174 POL$0.16 0.00525507 30.00018059 Send 56640064 2024-05-06 9:35:35 220 days ago 1714988135 IN 0.24101174 POL$0.16 0.00525507 30.00018059 Send 56640060 2024-05-06 9:35:25 220 days ago 1714988125 IN 0.24101174 POL$0.16 0.00525507 30.00018059 Send 56640057 2024-05-06 9:35:19 220 days ago 1714988119 IN 0.24101174 POL$0.16 0.00525507 30.00018059 Send 56640053 2024-05-06 9:35:11 220 days ago 1714988111 IN 0.24101174 POL$0.16 0.00525507 30.00018059 Send 56640049 2024-05-06 9:35:03 220 days ago 1714988103 IN 0.24101174 POL$0.16 0.00525508 30.00023476 Send 56640044 2024-05-06 9:34:51 220 days ago 1714988091 IN 0.24101174 POL$0.16 0.00525508 30.00023476 Latest 25 internal transactions (View All)
Parent Transaction Hash Block From To 65399306 2024-12-12 16:55:17 8 mins ago 1734022517 0.92696153 POL$0.60 65399306 2024-12-12 16:55:17 8 mins ago 1734022517 0.92696153 POL$0.60 65399265 2024-12-12 16:53:51 10 mins ago 1734022431 2.6552305 POL$1.71 65399265 2024-12-12 16:53:51 10 mins ago 1734022431 2.6552305 POL$1.71 65399236 2024-12-12 16:52:49 11 mins ago 1734022369 0.08760728 POL$0.06 65399236 2024-12-12 16:52:49 11 mins ago 1734022369 0.08760728 POL$0.06 65399111 2024-12-12 16:48:23 15 mins ago 1734022103 0.2788337 POL$0.18 65399111 2024-12-12 16:48:23 15 mins ago 1734022103 0.2788337 POL$0.18 65399037 2024-12-12 16:45:45 18 mins ago 1734021945 1.35450066 POL$0.87 65399037 2024-12-12 16:45:45 18 mins ago 1734021945 1.35450066 POL$0.87 65398875 2024-12-12 16:39:45 24 mins ago 1734021585 0.92696153 POL$0.60 65398875 2024-12-12 16:39:45 24 mins ago 1734021585 0.92696153 POL$0.60 65398683 2024-12-12 16:32:56 31 mins ago 1734021176 0.92696153 POL$0.60 65398683 2024-12-12 16:32:56 31 mins ago 1734021176 0.92696153 POL$0.60 65398600 2024-12-12 16:30:00 34 mins ago 1734021000 0.04892827 POL$0.03 65398600 2024-12-12 16:30:00 34 mins ago 1734021000 0.04892827 POL$0.03 65398374 2024-12-12 16:21:55 42 mins ago 1734020515 7.66706586 POL$4.94 65398374 2024-12-12 16:21:55 42 mins ago 1734020515 7.66706586 POL$4.94 65398317 2024-12-12 16:19:53 44 mins ago 1734020393 1.66300629 POL$1.07 65398317 2024-12-12 16:19:53 44 mins ago 1734020393 1.66300629 POL$1.07 65398308 2024-12-12 16:19:35 44 mins ago 1734020375 0.82154054 POL$0.53 65398308 2024-12-12 16:19:35 44 mins ago 1734020375 0.82154054 POL$0.53 65398303 2024-12-12 16:19:23 44 mins ago 1734020363 0.26628193 POL$0.17 65398303 2024-12-12 16:19:23 44 mins ago 1734020363 0.26628193 POL$0.17 65398193 2024-12-12 16:15:31 48 mins ago 1734020131 0.92696153 POL$0.60 Loading...LoadingContract Name:Endpoint
Compiler Versionv0.7.6+commit.7338295f
Optimization Enabled:Yes with 30000 runs
Other Settings:default evmVersionContract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.7.6; import "./interfaces/ILayerZeroReceiver.sol"; import "./interfaces/ILayerZeroEndpoint.sol"; import "./interfaces/ILayerZeroMessagingLibrary.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; contract Endpoint is Ownable, ILayerZeroEndpoint { uint16 public immutable chainId; // installed libraries and reserved versions uint16 public constant BLOCK_VERSION = 65535; uint16 public constant DEFAULT_VERSION = 0; uint16 public latestVersion; mapping(uint16 => ILayerZeroMessagingLibrary) public libraryLookup; // version -> ILayerZeroEndpointLibrary // default send/receive libraries uint16 public defaultSendVersion; uint16 public defaultReceiveVersion; ILayerZeroMessagingLibrary public defaultSendLibrary; address public defaultReceiveLibraryAddress; struct LibraryConfig { uint16 sendVersion; uint16 receiveVersion; address receiveLibraryAddress; ILayerZeroMessagingLibrary sendLibrary; } struct StoredPayload { uint64 payloadLength; address dstAddress; bytes32 payloadHash; } // user app config = [uaAddress] mapping(address => LibraryConfig) public uaConfigLookup; // inboundNonce = [srcChainId][srcAddress]. mapping(uint16 => mapping(bytes => uint64)) public inboundNonce; // outboundNonce = [dstChainId][srcAddress]. mapping(uint16 => mapping(address => uint64)) public outboundNonce; // storedPayload = [srcChainId][srcAddress] mapping(uint16 => mapping(bytes => StoredPayload)) public storedPayload; // library versioning events event NewLibraryVersionAdded(uint16 version); event DefaultSendVersionSet(uint16 version); event DefaultReceiveVersionSet(uint16 version); event UaSendVersionSet(address ua, uint16 version); event UaReceiveVersionSet(address ua, uint16 version); event UaForceResumeReceive(uint16 chainId, bytes srcAddress); // payload events event PayloadCleared(uint16 srcChainId, bytes srcAddress, uint64 nonce, address dstAddress); event PayloadStored(uint16 srcChainId, bytes srcAddress, address dstAddress, uint64 nonce, bytes payload, bytes reason); constructor(uint16 _chainId) { chainId = _chainId; } //--------------------------------------------------------------------------- // send and receive nonreentrant lock uint8 internal constant _NOT_ENTERED = 1; uint8 internal constant _ENTERED = 2; uint8 internal _send_entered_state = 1; uint8 internal _receive_entered_state = 1; modifier sendNonReentrant() { require(_send_entered_state == _NOT_ENTERED, "LayerZero: no send reentrancy"); _send_entered_state = _ENTERED; _; _send_entered_state = _NOT_ENTERED; } modifier receiveNonReentrant() { require(_receive_entered_state == _NOT_ENTERED, "LayerZero: no receive reentrancy"); _receive_entered_state = _ENTERED; _; _receive_entered_state = _NOT_ENTERED; } // BLOCK_VERSION is also a valid version modifier validVersion(uint16 _version) { require(_version <= latestVersion || _version == BLOCK_VERSION, "LayerZero: invalid messaging library version"); _; } //--------------------------------------------------------------------------- // User Application Calls - Endpoint Interface function send(uint16 _dstChainId, bytes calldata _destination, bytes calldata _payload, address payable _refundAddress, address _zroPaymentAddress, bytes calldata _adapterParams) external payable override sendNonReentrant { LibraryConfig storage uaConfig = uaConfigLookup[msg.sender]; uint64 nonce = ++outboundNonce[_dstChainId][msg.sender]; _getSendLibrary(uaConfig).send{value: msg.value}(msg.sender, nonce, _dstChainId, _destination, _payload, _refundAddress, _zroPaymentAddress, _adapterParams); } //--------------------------------------------------------------------------- // authenticated Library (msg.sender) Calls to pass through Endpoint to UA (dstAddress) function receivePayload(uint16 _srcChainId, bytes calldata _srcAddress, address _dstAddress, uint64 _nonce, uint _gasLimit, bytes calldata _payload) external override receiveNonReentrant { // assert and increment the nonce. no message shuffling require(_nonce == ++inboundNonce[_srcChainId][_srcAddress], "LayerZero: wrong nonce"); LibraryConfig storage uaConfig = uaConfigLookup[_dstAddress]; // authentication to prevent cross-version message validation // protects against a malicious library from passing arbitrary data if (uaConfig.receiveVersion == DEFAULT_VERSION) { require(defaultReceiveLibraryAddress == msg.sender, "LayerZero: invalid default library"); } else { require(uaConfig.receiveLibraryAddress == msg.sender, "LayerZero: invalid library"); } // block if any message blocking StoredPayload storage sp = storedPayload[_srcChainId][_srcAddress]; require(sp.payloadHash == bytes32(0), "LayerZero: in message blocking"); try ILayerZeroReceiver(_dstAddress).lzReceive{gas: _gasLimit}(_srcChainId, _srcAddress, _nonce, _payload) { // success, do nothing, end of the message delivery } catch (bytes memory reason) { // revert nonce if any uncaught errors/exceptions if the ua chooses the blocking mode storedPayload[_srcChainId][_srcAddress] = StoredPayload(uint64(_payload.length), _dstAddress, keccak256(_payload)); emit PayloadStored(_srcChainId, _srcAddress, _dstAddress, _nonce, _payload, reason); } } function retryPayload(uint16 _srcChainId, bytes calldata _srcAddress, bytes calldata _payload) external override receiveNonReentrant { StoredPayload storage sp = storedPayload[_srcChainId][_srcAddress]; require(sp.payloadHash != bytes32(0), "LayerZero: no stored payload"); require(_payload.length == sp.payloadLength && keccak256(_payload) == sp.payloadHash, "LayerZero: invalid payload"); address dstAddress = sp.dstAddress; // empty the storedPayload sp.payloadLength = 0; sp.dstAddress = address(0); sp.payloadHash = bytes32(0); uint64 nonce = inboundNonce[_srcChainId][_srcAddress]; ILayerZeroReceiver(dstAddress).lzReceive(_srcChainId, _srcAddress, nonce, _payload); emit PayloadCleared(_srcChainId, _srcAddress, nonce, dstAddress); } //--------------------------------------------------------------------------- // Owner Calls, only new library version upgrade (3 steps) // note libraryLookup[0] = 0x0, no library implementation // LIBRARY UPGRADE step 1: set _newLayerZeroLibraryAddress be the new version function newVersion(address _newLayerZeroLibraryAddress) external onlyOwner { require(_newLayerZeroLibraryAddress != address(0x0), "LayerZero: new version cannot be zero address"); require(latestVersion < 65535, "LayerZero: can not add new messaging library"); latestVersion++; libraryLookup[latestVersion] = ILayerZeroMessagingLibrary(_newLayerZeroLibraryAddress); emit NewLibraryVersionAdded(latestVersion); } // LIBRARY UPGRADE step 2: stop sending messages from the old version function setDefaultSendVersion(uint16 _newDefaultSendVersion) external onlyOwner validVersion(_newDefaultSendVersion) { require(_newDefaultSendVersion != DEFAULT_VERSION, "LayerZero: default send version must > 0"); defaultSendVersion = _newDefaultSendVersion; defaultSendLibrary = libraryLookup[defaultSendVersion]; emit DefaultSendVersionSet(_newDefaultSendVersion); } // LIBRARY UPGRADE step 3: stop receiving messages from the old version function setDefaultReceiveVersion(uint16 _newDefaultReceiveVersion) external onlyOwner validVersion(_newDefaultReceiveVersion) { require(_newDefaultReceiveVersion != DEFAULT_VERSION, "LayerZero: default receive version must > 0"); defaultReceiveVersion = _newDefaultReceiveVersion; defaultReceiveLibraryAddress = address(libraryLookup[defaultReceiveVersion]); emit DefaultReceiveVersionSet(_newDefaultReceiveVersion); } //--------------------------------------------------------------------------- // User Application Calls - UA set/get Interface function setConfig(uint16 _version, uint16 _chainId, uint _configType, bytes calldata _config) external override validVersion(_version) { if (_version == DEFAULT_VERSION) { require(defaultSendVersion == defaultReceiveVersion, "LayerZero: can not set Config during DEFAULT migration"); _version = defaultSendVersion; } require(_version != BLOCK_VERSION, "LayerZero: can not set config for BLOCK_VERSION"); libraryLookup[_version].setConfig(_chainId, msg.sender, _configType, _config); } // Migration step 1: set the send version // Define what library the UA points too function setSendVersion(uint16 _newVersion) external override validVersion(_newVersion) { // write into config LibraryConfig storage uaConfig = uaConfigLookup[msg.sender]; uaConfig.sendVersion = _newVersion; // the libraryLookup[BLOCK_VERSION || DEFAULT_VERSION] = 0x0 uaConfig.sendLibrary = libraryLookup[_newVersion]; emit UaSendVersionSet(msg.sender, _newVersion); } // Migration step 2: set the receive version // after all messages sent from the old version are received // the UA can now safely switch to the new receive version // it is the UA's responsibility make sure all messages from the old version are processed function setReceiveVersion(uint16 _newVersion) external override validVersion(_newVersion) { // write into config LibraryConfig storage uaConfig = uaConfigLookup[msg.sender]; uaConfig.receiveVersion = _newVersion; // the libraryLookup[BLOCK_VERSION || DEFAULT_VERSION] = 0x0 uaConfig.receiveLibraryAddress = address(libraryLookup[_newVersion]); emit UaReceiveVersionSet(msg.sender, _newVersion); } function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external override { StoredPayload storage sp = storedPayload[_srcChainId][_srcAddress]; // revert if no messages are cached. safeguard malicious UA behaviour require(sp.payloadHash != bytes32(0), "LayerZero: no stored payload"); require(sp.dstAddress == msg.sender, "LayerZero: invalid caller"); // empty the storedPayload sp.payloadLength = 0; sp.dstAddress = address(0); sp.payloadHash = bytes32(0); // emit the event with the new nonce emit UaForceResumeReceive(_srcChainId, _srcAddress); } //--------------------------------------------------------------------------- // view helper function function estimateFees(uint16 _dstChainId, address _userApplication, bytes calldata _payload, bool _payInZRO, bytes calldata _adapterParams) external view override returns (uint nativeFee, uint zroFee) { LibraryConfig storage uaConfig = uaConfigLookup[_userApplication]; ILayerZeroMessagingLibrary lib = uaConfig.sendVersion == DEFAULT_VERSION ? defaultSendLibrary : uaConfig.sendLibrary; return lib.estimateFees(_dstChainId, _userApplication, _payload, _payInZRO, _adapterParams); } function _getSendLibrary(LibraryConfig storage uaConfig) internal view returns (ILayerZeroMessagingLibrary) { if (uaConfig.sendVersion == DEFAULT_VERSION) { // check if the in send-blocking upgrade require(defaultSendVersion != BLOCK_VERSION, "LayerZero: default in BLOCK_VERSION"); return defaultSendLibrary; } else { // check if the in send-blocking upgrade require(uaConfig.sendVersion != BLOCK_VERSION, "LayerZero: in BLOCK_VERSION"); return uaConfig.sendLibrary; } } function getSendLibraryAddress(address _userApplication) external view override returns (address sendLibraryAddress) { LibraryConfig storage uaConfig = uaConfigLookup[_userApplication]; uint16 sendVersion = uaConfig.sendVersion; require(sendVersion != BLOCK_VERSION, "LayerZero: send version is BLOCK_VERSION"); if (sendVersion == DEFAULT_VERSION) { require(defaultSendVersion != BLOCK_VERSION, "LayerZero: send version (default) is BLOCK_VERSION"); sendLibraryAddress = address(defaultSendLibrary); } else { sendLibraryAddress = address(uaConfig.sendLibrary); } } function getReceiveLibraryAddress(address _userApplication) external view override returns (address receiveLibraryAddress) { LibraryConfig storage uaConfig = uaConfigLookup[_userApplication]; uint16 receiveVersion = uaConfig.receiveVersion; require(receiveVersion != BLOCK_VERSION, "LayerZero: receive version is BLOCK_VERSION"); if (receiveVersion == DEFAULT_VERSION) { require(defaultReceiveVersion != BLOCK_VERSION, "LayerZero: receive version (default) is BLOCK_VERSION"); receiveLibraryAddress = defaultReceiveLibraryAddress; } else { receiveLibraryAddress = uaConfig.receiveLibraryAddress; } } function isSendingPayload() external view override returns (bool) { return _send_entered_state == _ENTERED; } function isReceivingPayload() external view override returns (bool) { return _receive_entered_state == _ENTERED; } function getInboundNonce(uint16 _srcChainId, bytes calldata _srcAddress) external view override returns (uint64) { return inboundNonce[_srcChainId][_srcAddress]; } function getOutboundNonce(uint16 _dstChainId, address _srcAddress) external view override returns (uint64) { return outboundNonce[_dstChainId][_srcAddress]; } function getChainId() external view override returns (uint16) { return chainId; } function getSendVersion(address _userApplication) external view override returns (uint16) { LibraryConfig storage uaConfig = uaConfigLookup[_userApplication]; return uaConfig.sendVersion == DEFAULT_VERSION ? defaultSendVersion : uaConfig.sendVersion; } function getReceiveVersion(address _userApplication) external view override returns (uint16) { LibraryConfig storage uaConfig = uaConfigLookup[_userApplication]; return uaConfig.receiveVersion == DEFAULT_VERSION ? defaultReceiveVersion : uaConfig.receiveVersion; } function getConfig(uint16 _version, uint16 _chainId, address _userApplication, uint _configType) external view override validVersion(_version) returns (bytes memory) { if (_version == DEFAULT_VERSION) { require(defaultSendVersion == defaultReceiveVersion, "LayerZero: no DEFAULT config while migration"); _version = defaultSendVersion; } require(_version != BLOCK_VERSION, "LayerZero: can not get config for BLOCK_VERSION"); return libraryLookup[_version].getConfig(_chainId, _userApplication, _configType); } function hasStoredPayload(uint16 _srcChainId, bytes calldata _srcAddress) external view override returns (bool) { StoredPayload storage sp = storedPayload[_srcChainId][_srcAddress]; return sp.payloadHash != bytes32(0); } }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity >=0.5.0; interface ILayerZeroReceiver { // @notice LayerZero endpoint will invoke this function to deliver the message on the destination // @param _srcChainId - the source endpoint identifier // @param _srcAddress - the source sending contract address from the source chain // @param _nonce - the ordered message nonce // @param _payload - the signed payload is the UA bytes has encoded to be sent function lzReceive(uint16 _srcChainId, bytes calldata _srcAddress, uint64 _nonce, bytes calldata _payload) external; }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity >=0.5.0; import "./ILayerZeroUserApplicationConfig.sol"; interface ILayerZeroEndpoint is ILayerZeroUserApplicationConfig { // @notice send a LayerZero message to the specified address at a LayerZero endpoint. // @param _dstChainId - the destination chain identifier // @param _destination - the address on destination chain (in bytes). address length/format may vary by chains // @param _payload - a custom bytes payload to send to the destination contract // @param _refundAddress - if the source transaction is cheaper than the amount of value passed, refund the additional amount to this address // @param _zroPaymentAddress - the address of the ZRO token holder who would pay for the transaction // @param _adapterParams - parameters for custom functionality. e.g. receive airdropped native gas from the relayer on destination function send(uint16 _dstChainId, bytes calldata _destination, bytes calldata _payload, address payable _refundAddress, address _zroPaymentAddress, bytes calldata _adapterParams) external payable; // @notice used by the messaging library to publish verified payload // @param _srcChainId - the source chain identifier // @param _srcAddress - the source contract (as bytes) at the source chain // @param _dstAddress - the address on destination chain // @param _nonce - the unbound message ordering nonce // @param _gasLimit - the gas limit for external contract execution // @param _payload - verified payload to send to the destination contract function receivePayload(uint16 _srcChainId, bytes calldata _srcAddress, address _dstAddress, uint64 _nonce, uint _gasLimit, bytes calldata _payload) external; // @notice get the inboundNonce of a receiver from a source chain which could be EVM or non-EVM chain // @param _srcChainId - the source chain identifier // @param _srcAddress - the source chain contract address function getInboundNonce(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (uint64); // @notice get the outboundNonce from this source chain which, consequently, is always an EVM // @param _srcAddress - the source chain contract address function getOutboundNonce(uint16 _dstChainId, address _srcAddress) external view returns (uint64); // @notice gets a quote in source native gas, for the amount that send() requires to pay for message delivery // @param _dstChainId - the destination chain identifier // @param _userApplication - the user app address on this EVM chain // @param _payload - the custom message to send over LayerZero // @param _payInZRO - if false, user app pays the protocol fee in native token // @param _adapterParam - parameters for the adapter service, e.g. send some dust native token to dstChain function estimateFees(uint16 _dstChainId, address _userApplication, bytes calldata _payload, bool _payInZRO, bytes calldata _adapterParam) external view returns (uint nativeFee, uint zroFee); // @notice get this Endpoint's immutable source identifier function getChainId() external view returns (uint16); // @notice the interface to retry failed message on this Endpoint destination // @param _srcChainId - the source chain identifier // @param _srcAddress - the source chain contract address // @param _payload - the payload to be retried function retryPayload(uint16 _srcChainId, bytes calldata _srcAddress, bytes calldata _payload) external; // @notice query if any STORED payload (message blocking) at the endpoint. // @param _srcChainId - the source chain identifier // @param _srcAddress - the source chain contract address function hasStoredPayload(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (bool); // @notice query if the _libraryAddress is valid for sending msgs. // @param _userApplication - the user app address on this EVM chain function getSendLibraryAddress(address _userApplication) external view returns (address); // @notice query if the _libraryAddress is valid for receiving msgs. // @param _userApplication - the user app address on this EVM chain function getReceiveLibraryAddress(address _userApplication) external view returns (address); // @notice query if the non-reentrancy guard for send() is on // @return true if the guard is on. false otherwise function isSendingPayload() external view returns (bool); // @notice query if the non-reentrancy guard for receive() is on // @return true if the guard is on. false otherwise function isReceivingPayload() external view returns (bool); // @notice get the configuration of the LayerZero messaging library of the specified version // @param _version - messaging library version // @param _chainId - the chainId for the pending config change // @param _userApplication - the contract address of the user application // @param _configType - type of configuration. every messaging library has its own convention. function getConfig(uint16 _version, uint16 _chainId, address _userApplication, uint _configType) external view returns (bytes memory); // @notice get the send() LayerZero messaging library version // @param _userApplication - the contract address of the user application function getSendVersion(address _userApplication) external view returns (uint16); // @notice get the lzReceive() LayerZero messaging library version // @param _userApplication - the contract address of the user application function getReceiveVersion(address _userApplication) external view returns (uint16); }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity >=0.7.0; import "./ILayerZeroUserApplicationConfig.sol"; interface ILayerZeroMessagingLibrary { // send(), messages will be inflight. function send(address _userApplication, uint64 _lastNonce, uint16 _chainId, bytes calldata _destination, bytes calldata _payload, address payable refundAddress, address _zroPaymentAddress, bytes calldata _adapterParams) external payable; // estimate native fee at the send side function estimateFees(uint16 _chainId, address _userApplication, bytes calldata _payload, bool _payInZRO, bytes calldata _adapterParam) external view returns (uint nativeFee, uint zroFee); //--------------------------------------------------------------------------- // setConfig / getConfig are User Application (UA) functions to specify Oracle, Relayer, blockConfirmations, libraryVersion function setConfig(uint16 _chainId, address _userApplication, uint _configType, bytes calldata _config) external; function getConfig(uint16 _chainId, address _userApplication, uint _configType) external view returns (bytes memory); }
// SPDX-License-Identifier: MIT pragma solidity ^0.7.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity >=0.5.0; interface ILayerZeroUserApplicationConfig { // @notice set the configuration of the LayerZero messaging library of the specified version // @param _version - messaging library version // @param _chainId - the chainId for the pending config change // @param _configType - type of configuration. every messaging library has its own convention. // @param _config - configuration in the bytes. can encode arbitrary content. function setConfig(uint16 _version, uint16 _chainId, uint _configType, bytes calldata _config) external; // @notice set the send() LayerZero messaging library version to _version // @param _version - new messaging library version function setSendVersion(uint16 _version) external; // @notice set the lzReceive() LayerZero messaging library version to _version // @param _version - new messaging library version function setReceiveVersion(uint16 _version) external; // @notice Only when the UA needs to resume the message flow in blocking mode and clear the stored payload // @param _srcChainId - the chainId of the source chain // @param _srcAddress - the contract address of the source contract at the source chain function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <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 GSN 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 payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } }
{ "optimizer": { "enabled": true, "runs": 30000 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "metadata": { "useLiteralContent": true }, "libraries": {} }
Contract Security Audit
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Contract ABI
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ILayerZeroMessagingLibrary","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"defaultSendVersion","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"address","name":"_userApplication","type":"address"},{"internalType":"bytes","name":"_payload","type":"bytes"},{"internalType":"bool","name":"_payInZRO","type":"bool"},{"internalType":"bytes","name":"_adapterParams","type":"bytes"}],"name":"estimateFees","outputs":[{"internalType":"uint256","name":"nativeFee","type":"uint256"},{"internalType":"uint256","name":"zroFee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"}],"name":"forceResumeReceive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getChainId","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_version","type":"uint16"},{"internalType":"uint16","name":"_chainId","type":"uint16"},{"internalType":"address","name":"_userApplication","type":"address"},{"internalType":"uint256","name":"_configType","type":"uint256"}],"name":"getConfig","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"}],"name":"getInboundNonce","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"address","name":"_srcAddress","type":"address"}],"name":"getOutboundNonce","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_userApplication","type":"address"}],"name":"getReceiveLibraryAddress","outputs":[{"internalType":"address","name":"receiveLibraryAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_userApplication","type":"address"}],"name":"getReceiveVersion","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_userApplication","type":"address"}],"name":"getSendLibraryAddress","outputs":[{"internalType":"address","name":"sendLibraryAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_userApplication","type":"address"}],"name":"getSendVersion","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"}],"name":"hasStoredPayload","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"inboundNonce","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isReceivingPayload","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isSendingPayload","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestVersion","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"}],"name":"libraryLookup","outputs":[{"internalType":"contract ILayerZeroMessagingLibrary","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newLayerZeroLibraryAddress","type":"address"}],"name":"newVersion","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"},{"internalType":"address","name":"","type":"address"}],"name":"outboundNonce","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"},{"internalType":"address","name":"_dstAddress","type":"address"},{"internalType":"uint64","name":"_nonce","type":"uint64"},{"internalType":"uint256","name":"_gasLimit","type":"uint256"},{"internalType":"bytes","name":"_payload","type":"bytes"}],"name":"receivePayload","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"},{"internalType":"bytes","name":"_payload","type":"bytes"}],"name":"retryPayload","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes","name":"_destination","type":"bytes"},{"internalType":"bytes","name":"_payload","type":"bytes"},{"internalType":"address payable","name":"_refundAddress","type":"address"},{"internalType":"address","name":"_zroPaymentAddress","type":"address"},{"internalType":"bytes","name":"_adapterParams","type":"bytes"}],"name":"send","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_version","type":"uint16"},{"internalType":"uint16","name":"_chainId","type":"uint16"},{"internalType":"uint256","name":"_configType","type":"uint256"},{"internalType":"bytes","name":"_config","type":"bytes"}],"name":"setConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_newDefaultReceiveVersion","type":"uint16"}],"name":"setDefaultReceiveVersion","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_newDefaultSendVersion","type":"uint16"}],"name":"setDefaultSendVersion","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_newVersion","type":"uint16"}],"name":"setReceiveVersion","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_newVersion","type":"uint16"}],"name":"setSendVersion","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"storedPayload","outputs":[{"internalType":"uint64","name":"payloadLength","type":"uint64"},{"internalType":"address","name":"dstAddress","type":"address"},{"internalType":"bytes32","name":"payloadHash","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"uaConfigLookup","outputs":[{"internalType":"uint16","name":"sendVersion","type":"uint16"},{"internalType":"uint16","name":"receiveVersion","type":"uint16"},{"internalType":"address","name":"receiveLibraryAddress","type":"address"},{"internalType":"contract ILayerZeroMessagingLibrary","name":"sendLibrary","type":"address"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000000000000000000000000000000000000000009
-----Decoded View---------------
Arg [0] : _chainId (uint16): 9
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000009Loading...LoadingLoading...Loading
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Address QR Code
My Address - Private Name Tag or Note
My Name Tag:
Private Name Tags (up to 35 characters) can be used for easy identification of addressesPrivate Note:
A private note (up to 500 characters) can be attached to this address.
Please DO NOT store any passwords or private keys here.Compiler specific version warnings:
The compiled contract might be susceptible to FullInlinerNonExpressionSplitArgumentEvaluationOrder (low-severity), MissingSideEffectsOnSelectorAccess (low-severity), AbiReencodingHeadOverflowWithStaticArrayCleanup (medium-severity), DirtyBytesArrayToStorage (low-severity), DataLocationChangeInInternalOverride (very low-severity), NestedCalldataArrayAbiReencodingSizeValidation (very low-severity), SignedImmutables (very low-severity), ABIDecodeTwoDimensionalArrayMemory (very low-severity), KeccakCaching (medium-severity) Solidity Compiler Bugs.
Connect a Wallet
Connecting wallet for read function is optional, useful if you want to call certain functions or simply use your wallet's node.Connect a Wallet
Connecting wallet for read function is optional, useful if you want to call certain functions or simply use your wallet's node.Connect a Wallet
Connecting wallet for read function is optional, useful if you want to call certain functions or simply use your wallet's node.Before You Copy
Transaction Private Note
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