Feature Tip: Add private address tag to any address under My Name Tag !
Source Code
Latest 25 from a total of 1,877 transactions
| Transaction Hash |
Method
|
Block
|
From
|
|
To
|
||||
|---|---|---|---|---|---|---|---|---|---|
| Approve | 24026971 | 13 hrs ago | IN | 0 ETH | 0.00000089 | ||||
| Send | 24026348 | 15 hrs ago | IN | 0.0000067 ETH | 0.00004103 | ||||
| Approve | 24026347 | 15 hrs ago | IN | 0 ETH | 0.00000842 | ||||
| Send | 24019876 | 36 hrs ago | IN | 0.0000067 ETH | 0.00004625 | ||||
| Approve | 24017759 | 43 hrs ago | IN | 0 ETH | 0.00000369 | ||||
| Send | 24017492 | 44 hrs ago | IN | 0.00000623 ETH | 0.00001675 | ||||
| Approve | 24017432 | 45 hrs ago | IN | 0 ETH | 0.00009491 | ||||
| Send | 24013472 | 2 days ago | IN | 0.00000623 ETH | 0.00001199 | ||||
| Approve | 24011441 | 2 days ago | IN | 0 ETH | 0.00000252 | ||||
| Approve | 24006194 | 3 days ago | IN | 0 ETH | 0.00010006 | ||||
| Approve | 23994560 | 5 days ago | IN | 0 ETH | 0.00010227 | ||||
| Transfer | 23978279 | 7 days ago | IN | 0 ETH | 0.00029003 | ||||
| Approve | 23971557 | 8 days ago | IN | 0 ETH | 0.00010633 | ||||
| Send | 23969289 | 8 days ago | IN | 0.00000666 ETH | 0.00053776 | ||||
| Approve | 23967803 | 8 days ago | IN | 0 ETH | 0.00011184 | ||||
| Transfer | 23967455 | 8 days ago | IN | 0 ETH | 0.00011056 | ||||
| Transfer | 23962339 | 9 days ago | IN | 0 ETH | 0.0000231 | ||||
| Send | 23960373 | 9 days ago | IN | 0.00000666 ETH | 0.00004347 | ||||
| Approve | 23960067 | 9 days ago | IN | 0 ETH | 0.00005216 | ||||
| Send | 23958533 | 10 days ago | IN | 0.00000666 ETH | 0.00008647 | ||||
| Approve | 23955138 | 10 days ago | IN | 0 ETH | 0.00004783 | ||||
| Transfer | 23955121 | 10 days ago | IN | 0 ETH | 0.00004828 | ||||
| Approve | 23954919 | 10 days ago | IN | 0 ETH | 0.00004325 | ||||
| Send | 23954207 | 10 days ago | IN | 0.00000666 ETH | 0.00000576 | ||||
| Transfer | 23950856 | 11 days ago | IN | 0 ETH | 0.00009483 |
Latest 25 internal transactions (View All)
Advanced mode:
| Parent Transaction Hash | Method | Block |
From
|
|
To
|
||
|---|---|---|---|---|---|---|---|
| Send | 24026348 | 15 hrs ago | 0.0000067 ETH | ||||
| Send | 24019876 | 36 hrs ago | 0.0000067 ETH | ||||
| Send | 24017492 | 44 hrs ago | 0.00000623 ETH | ||||
| Send | 24013472 | 2 days ago | 0.00000623 ETH | ||||
| Send | 23969289 | 8 days ago | 0.00000666 ETH | ||||
| Send | 23960373 | 9 days ago | 0.00000666 ETH | ||||
| Send | 23958533 | 10 days ago | 0.00000666 ETH | ||||
| Send | 23954207 | 10 days ago | 0.00000666 ETH | ||||
| Send | 23927642 | 14 days ago | 0.00000708 ETH | ||||
| Send | 23927403 | 14 days ago | 0.00000708 ETH | ||||
| Send | 23888953 | 19 days ago | 0.00000661 ETH | ||||
| Send | 23887128 | 20 days ago | 0.00000661 ETH | ||||
| Send | 23884963 | 20 days ago | 0.00000703 ETH | ||||
| Send | 23884808 | 20 days ago | 0.00000703 ETH | ||||
| Send | 23884753 | 20 days ago | 0.00000703 ETH | ||||
| Send | 23879131 | 21 days ago | 0.00000703 ETH | ||||
| Send | 23875093 | 21 days ago | 0.00000703 ETH | ||||
| Send | 23873570 | 22 days ago | 0.00000702 ETH | ||||
| Send | 23840696 | 26 days ago | 0.00000701 ETH | ||||
| Send | 23810247 | 31 days ago | 0.00000654 ETH | ||||
| Send | 23810185 | 31 days ago | 0.00000654 ETH | ||||
| Send | 23810077 | 31 days ago | 0.00000654 ETH | ||||
| Send | 23801987 | 32 days ago | 0.00000654 ETH | ||||
| Send | 23773189 | 36 days ago | 0.00000572 ETH | ||||
| Send | 23772627 | 36 days ago | 0.00000572 ETH |
Loading...
Loading
Cross-Chain Transactions
Loading...
Loading
Contract Source Code Verified (Exact Match)
Contract Name:
BBOFT
Compiler Version
v0.8.23+commit.f704f362
Optimization Enabled:
Yes with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.22;
import {IBlacklist} from "../interfaces/IBlacklist.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {OFT} from "@layerzerolabs/oft-evm/contracts/OFT.sol";
contract BBOFT is OFT {
IBlacklist public blackList;
error BlackList();
error ZeroAddress();
constructor(
address _lzEndpoint,
address _delegate,
address _initialOwner,
address _blackList
) OFT("BounceBit Token", "BB", _lzEndpoint, _delegate) Ownable(_initialOwner) {
if (_blackList == address(0)) revert ZeroAddress();
blackList = IBlacklist(_blackList);
}
function _debit(
address _from,
uint256 _amountLD,
uint256 _minAmountLD,
uint32 _dstEid
) internal virtual override returns (uint256 amountSentLD, uint256 amountReceivedLD) {
if (blackList.isBlacklisted(_from) || blackList.isBlacklisted(msg.sender)) revert BlackList();
return super._debit(_from, _amountLD, _minAmountLD, _dstEid);
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
import { IMessageLibManager } from "./IMessageLibManager.sol";
import { IMessagingComposer } from "./IMessagingComposer.sol";
import { IMessagingChannel } from "./IMessagingChannel.sol";
import { IMessagingContext } from "./IMessagingContext.sol";
struct MessagingParams {
uint32 dstEid;
bytes32 receiver;
bytes message;
bytes options;
bool payInLzToken;
}
struct MessagingReceipt {
bytes32 guid;
uint64 nonce;
MessagingFee fee;
}
struct MessagingFee {
uint256 nativeFee;
uint256 lzTokenFee;
}
struct Origin {
uint32 srcEid;
bytes32 sender;
uint64 nonce;
}
interface ILayerZeroEndpointV2 is IMessageLibManager, IMessagingComposer, IMessagingChannel, IMessagingContext {
event PacketSent(bytes encodedPayload, bytes options, address sendLibrary);
event PacketVerified(Origin origin, address receiver, bytes32 payloadHash);
event PacketDelivered(Origin origin, address receiver);
event LzReceiveAlert(
address indexed receiver,
address indexed executor,
Origin origin,
bytes32 guid,
uint256 gas,
uint256 value,
bytes message,
bytes extraData,
bytes reason
);
event LzTokenSet(address token);
event DelegateSet(address sender, address delegate);
function quote(MessagingParams calldata _params, address _sender) external view returns (MessagingFee memory);
function send(
MessagingParams calldata _params,
address _refundAddress
) external payable returns (MessagingReceipt memory);
function verify(Origin calldata _origin, address _receiver, bytes32 _payloadHash) external;
function verifiable(Origin calldata _origin, address _receiver) external view returns (bool);
function initializable(Origin calldata _origin, address _receiver) external view returns (bool);
function lzReceive(
Origin calldata _origin,
address _receiver,
bytes32 _guid,
bytes calldata _message,
bytes calldata _extraData
) external payable;
// oapp can burn messages partially by calling this function with its own business logic if messages are verified in order
function clear(address _oapp, Origin calldata _origin, bytes32 _guid, bytes calldata _message) external;
function setLzToken(address _lzToken) external;
function lzToken() external view returns (address);
function nativeToken() external view returns (address);
function setDelegate(address _delegate) external;
}// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
import { Origin } from "./ILayerZeroEndpointV2.sol";
interface ILayerZeroReceiver {
function allowInitializePath(Origin calldata _origin) external view returns (bool);
function nextNonce(uint32 _eid, bytes32 _sender) external view returns (uint64);
function lzReceive(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address _executor,
bytes calldata _extraData
) external payable;
}// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
import { IERC165 } from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import { SetConfigParam } from "./IMessageLibManager.sol";
enum MessageLibType {
Send,
Receive,
SendAndReceive
}
interface IMessageLib is IERC165 {
function setConfig(address _oapp, SetConfigParam[] calldata _config) external;
function getConfig(uint32 _eid, address _oapp, uint32 _configType) external view returns (bytes memory config);
function isSupportedEid(uint32 _eid) external view returns (bool);
// message libs of same major version are compatible
function version() external view returns (uint64 major, uint8 minor, uint8 endpointVersion);
function messageLibType() external view returns (MessageLibType);
}// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
struct SetConfigParam {
uint32 eid;
uint32 configType;
bytes config;
}
interface IMessageLibManager {
struct Timeout {
address lib;
uint256 expiry;
}
event LibraryRegistered(address newLib);
event DefaultSendLibrarySet(uint32 eid, address newLib);
event DefaultReceiveLibrarySet(uint32 eid, address newLib);
event DefaultReceiveLibraryTimeoutSet(uint32 eid, address oldLib, uint256 expiry);
event SendLibrarySet(address sender, uint32 eid, address newLib);
event ReceiveLibrarySet(address receiver, uint32 eid, address newLib);
event ReceiveLibraryTimeoutSet(address receiver, uint32 eid, address oldLib, uint256 timeout);
function registerLibrary(address _lib) external;
function isRegisteredLibrary(address _lib) external view returns (bool);
function getRegisteredLibraries() external view returns (address[] memory);
function setDefaultSendLibrary(uint32 _eid, address _newLib) external;
function defaultSendLibrary(uint32 _eid) external view returns (address);
function setDefaultReceiveLibrary(uint32 _eid, address _newLib, uint256 _gracePeriod) external;
function defaultReceiveLibrary(uint32 _eid) external view returns (address);
function setDefaultReceiveLibraryTimeout(uint32 _eid, address _lib, uint256 _expiry) external;
function defaultReceiveLibraryTimeout(uint32 _eid) external view returns (address lib, uint256 expiry);
function isSupportedEid(uint32 _eid) external view returns (bool);
function isValidReceiveLibrary(address _receiver, uint32 _eid, address _lib) external view returns (bool);
/// ------------------- OApp interfaces -------------------
function setSendLibrary(address _oapp, uint32 _eid, address _newLib) external;
function getSendLibrary(address _sender, uint32 _eid) external view returns (address lib);
function isDefaultSendLibrary(address _sender, uint32 _eid) external view returns (bool);
function setReceiveLibrary(address _oapp, uint32 _eid, address _newLib, uint256 _gracePeriod) external;
function getReceiveLibrary(address _receiver, uint32 _eid) external view returns (address lib, bool isDefault);
function setReceiveLibraryTimeout(address _oapp, uint32 _eid, address _lib, uint256 _expiry) external;
function receiveLibraryTimeout(address _receiver, uint32 _eid) external view returns (address lib, uint256 expiry);
function setConfig(address _oapp, address _lib, SetConfigParam[] calldata _params) external;
function getConfig(
address _oapp,
address _lib,
uint32 _eid,
uint32 _configType
) external view returns (bytes memory config);
}// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
interface IMessagingChannel {
event InboundNonceSkipped(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce);
event PacketNilified(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce, bytes32 payloadHash);
event PacketBurnt(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce, bytes32 payloadHash);
function eid() external view returns (uint32);
// this is an emergency function if a message cannot be verified for some reasons
// required to provide _nextNonce to avoid race condition
function skip(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce) external;
function nilify(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce, bytes32 _payloadHash) external;
function burn(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce, bytes32 _payloadHash) external;
function nextGuid(address _sender, uint32 _dstEid, bytes32 _receiver) external view returns (bytes32);
function inboundNonce(address _receiver, uint32 _srcEid, bytes32 _sender) external view returns (uint64);
function outboundNonce(address _sender, uint32 _dstEid, bytes32 _receiver) external view returns (uint64);
function inboundPayloadHash(
address _receiver,
uint32 _srcEid,
bytes32 _sender,
uint64 _nonce
) external view returns (bytes32);
function lazyInboundNonce(address _receiver, uint32 _srcEid, bytes32 _sender) external view returns (uint64);
}// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
interface IMessagingComposer {
event ComposeSent(address from, address to, bytes32 guid, uint16 index, bytes message);
event ComposeDelivered(address from, address to, bytes32 guid, uint16 index);
event LzComposeAlert(
address indexed from,
address indexed to,
address indexed executor,
bytes32 guid,
uint16 index,
uint256 gas,
uint256 value,
bytes message,
bytes extraData,
bytes reason
);
function composeQueue(
address _from,
address _to,
bytes32 _guid,
uint16 _index
) external view returns (bytes32 messageHash);
function sendCompose(address _to, bytes32 _guid, uint16 _index, bytes calldata _message) external;
function lzCompose(
address _from,
address _to,
bytes32 _guid,
uint16 _index,
bytes calldata _message,
bytes calldata _extraData
) external payable;
}// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
interface IMessagingContext {
function isSendingMessage() external view returns (bool);
function getSendContext() external view returns (uint32 dstEid, address sender);
}// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
import { MessagingFee } from "./ILayerZeroEndpointV2.sol";
import { IMessageLib } from "./IMessageLib.sol";
struct Packet {
uint64 nonce;
uint32 srcEid;
address sender;
uint32 dstEid;
bytes32 receiver;
bytes32 guid;
bytes message;
}
interface ISendLib is IMessageLib {
function send(
Packet calldata _packet,
bytes calldata _options,
bool _payInLzToken
) external returns (MessagingFee memory, bytes memory encodedPacket);
function quote(
Packet calldata _packet,
bytes calldata _options,
bool _payInLzToken
) external view returns (MessagingFee memory);
function setTreasury(address _treasury) external;
function withdrawFee(address _to, uint256 _amount) external;
function withdrawLzTokenFee(address _lzToken, address _to, uint256 _amount) external;
}// SPDX-License-Identifier: LZBL-1.2
pragma solidity ^0.8.20;
library AddressCast {
error AddressCast_InvalidSizeForAddress();
error AddressCast_InvalidAddress();
function toBytes32(bytes calldata _addressBytes) internal pure returns (bytes32 result) {
if (_addressBytes.length > 32) revert AddressCast_InvalidAddress();
result = bytes32(_addressBytes);
unchecked {
uint256 offset = 32 - _addressBytes.length;
result = result >> (offset * 8);
}
}
function toBytes32(address _address) internal pure returns (bytes32 result) {
result = bytes32(uint256(uint160(_address)));
}
function toBytes(bytes32 _addressBytes32, uint256 _size) internal pure returns (bytes memory result) {
if (_size == 0 || _size > 32) revert AddressCast_InvalidSizeForAddress();
result = new bytes(_size);
unchecked {
uint256 offset = 256 - _size * 8;
assembly {
mstore(add(result, 32), shl(offset, _addressBytes32))
}
}
}
function toAddress(bytes32 _addressBytes32) internal pure returns (address result) {
result = address(uint160(uint256(_addressBytes32)));
}
function toAddress(bytes calldata _addressBytes) internal pure returns (address result) {
if (_addressBytes.length != 20) revert AddressCast_InvalidAddress();
result = address(bytes20(_addressBytes));
}
}// SPDX-License-Identifier: LZBL-1.2
pragma solidity ^0.8.20;
import { Packet } from "../../interfaces/ISendLib.sol";
import { AddressCast } from "../../libs/AddressCast.sol";
library PacketV1Codec {
using AddressCast for address;
using AddressCast for bytes32;
uint8 internal constant PACKET_VERSION = 1;
// header (version + nonce + path)
// version
uint256 private constant PACKET_VERSION_OFFSET = 0;
// nonce
uint256 private constant NONCE_OFFSET = 1;
// path
uint256 private constant SRC_EID_OFFSET = 9;
uint256 private constant SENDER_OFFSET = 13;
uint256 private constant DST_EID_OFFSET = 45;
uint256 private constant RECEIVER_OFFSET = 49;
// payload (guid + message)
uint256 private constant GUID_OFFSET = 81; // keccak256(nonce + path)
uint256 private constant MESSAGE_OFFSET = 113;
function encode(Packet memory _packet) internal pure returns (bytes memory encodedPacket) {
encodedPacket = abi.encodePacked(
PACKET_VERSION,
_packet.nonce,
_packet.srcEid,
_packet.sender.toBytes32(),
_packet.dstEid,
_packet.receiver,
_packet.guid,
_packet.message
);
}
function encodePacketHeader(Packet memory _packet) internal pure returns (bytes memory) {
return
abi.encodePacked(
PACKET_VERSION,
_packet.nonce,
_packet.srcEid,
_packet.sender.toBytes32(),
_packet.dstEid,
_packet.receiver
);
}
function encodePayload(Packet memory _packet) internal pure returns (bytes memory) {
return abi.encodePacked(_packet.guid, _packet.message);
}
function header(bytes calldata _packet) internal pure returns (bytes calldata) {
return _packet[0:GUID_OFFSET];
}
function version(bytes calldata _packet) internal pure returns (uint8) {
return uint8(bytes1(_packet[PACKET_VERSION_OFFSET:NONCE_OFFSET]));
}
function nonce(bytes calldata _packet) internal pure returns (uint64) {
return uint64(bytes8(_packet[NONCE_OFFSET:SRC_EID_OFFSET]));
}
function srcEid(bytes calldata _packet) internal pure returns (uint32) {
return uint32(bytes4(_packet[SRC_EID_OFFSET:SENDER_OFFSET]));
}
function sender(bytes calldata _packet) internal pure returns (bytes32) {
return bytes32(_packet[SENDER_OFFSET:DST_EID_OFFSET]);
}
function senderAddressB20(bytes calldata _packet) internal pure returns (address) {
return sender(_packet).toAddress();
}
function dstEid(bytes calldata _packet) internal pure returns (uint32) {
return uint32(bytes4(_packet[DST_EID_OFFSET:RECEIVER_OFFSET]));
}
function receiver(bytes calldata _packet) internal pure returns (bytes32) {
return bytes32(_packet[RECEIVER_OFFSET:GUID_OFFSET]);
}
function receiverB20(bytes calldata _packet) internal pure returns (address) {
return receiver(_packet).toAddress();
}
function guid(bytes calldata _packet) internal pure returns (bytes32) {
return bytes32(_packet[GUID_OFFSET:MESSAGE_OFFSET]);
}
function message(bytes calldata _packet) internal pure returns (bytes calldata) {
return bytes(_packet[MESSAGE_OFFSET:]);
}
function payload(bytes calldata _packet) internal pure returns (bytes calldata) {
return bytes(_packet[GUID_OFFSET:]);
}
function payloadHash(bytes calldata _packet) internal pure returns (bytes32) {
return keccak256(payload(_packet));
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import { ILayerZeroEndpointV2 } from "@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroEndpointV2.sol";
/**
* @title IOAppCore
*/
interface IOAppCore {
// Custom error messages
error OnlyPeer(uint32 eid, bytes32 sender);
error NoPeer(uint32 eid);
error InvalidEndpointCall();
error InvalidDelegate();
// Event emitted when a peer (OApp) is set for a corresponding endpoint
event PeerSet(uint32 eid, bytes32 peer);
/**
* @notice Retrieves the OApp version information.
* @return senderVersion The version of the OAppSender.sol contract.
* @return receiverVersion The version of the OAppReceiver.sol contract.
*/
function oAppVersion() external view returns (uint64 senderVersion, uint64 receiverVersion);
/**
* @notice Retrieves the LayerZero endpoint associated with the OApp.
* @return iEndpoint The LayerZero endpoint as an interface.
*/
function endpoint() external view returns (ILayerZeroEndpointV2 iEndpoint);
/**
* @notice Retrieves the peer (OApp) associated with a corresponding endpoint.
* @param _eid The endpoint ID.
* @return peer The peer address (OApp instance) associated with the corresponding endpoint.
*/
function peers(uint32 _eid) external view returns (bytes32 peer);
/**
* @notice Sets the peer address (OApp instance) for a corresponding endpoint.
* @param _eid The endpoint ID.
* @param _peer The address of the peer to be associated with the corresponding endpoint.
*/
function setPeer(uint32 _eid, bytes32 _peer) external;
/**
* @notice Sets the delegate address for the OApp Core.
* @param _delegate The address of the delegate to be set.
*/
function setDelegate(address _delegate) external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
/**
* @title IOAppMsgInspector
* @dev Interface for the OApp Message Inspector, allowing examination of message and options contents.
*/
interface IOAppMsgInspector {
// Custom error message for inspection failure
error InspectionFailed(bytes message, bytes options);
/**
* @notice Allows the inspector to examine LayerZero message contents and optionally throw a revert if invalid.
* @param _message The message payload to be inspected.
* @param _options Additional options or parameters for inspection.
* @return valid A boolean indicating whether the inspection passed (true) or failed (false).
*
* @dev Optionally done as a revert, OR use the boolean provided to handle the failure.
*/
function inspect(bytes calldata _message, bytes calldata _options) external view returns (bool valid);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
/**
* @dev Struct representing enforced option parameters.
*/
struct EnforcedOptionParam {
uint32 eid; // Endpoint ID
uint16 msgType; // Message Type
bytes options; // Additional options
}
/**
* @title IOAppOptionsType3
* @dev Interface for the OApp with Type 3 Options, allowing the setting and combining of enforced options.
*/
interface IOAppOptionsType3 {
// Custom error message for invalid options
error InvalidOptions(bytes options);
// Event emitted when enforced options are set
event EnforcedOptionSet(EnforcedOptionParam[] _enforcedOptions);
/**
* @notice Sets enforced options for specific endpoint and message type combinations.
* @param _enforcedOptions An array of EnforcedOptionParam structures specifying enforced options.
*/
function setEnforcedOptions(EnforcedOptionParam[] calldata _enforcedOptions) external;
/**
* @notice Combines options for a given endpoint and message type.
* @param _eid The endpoint ID.
* @param _msgType The OApp message type.
* @param _extraOptions Additional options passed by the caller.
* @return options The combination of caller specified options AND enforced options.
*/
function combineOptions(
uint32 _eid,
uint16 _msgType,
bytes calldata _extraOptions
) external view returns (bytes memory options);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import { ILayerZeroReceiver, Origin } from "@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroReceiver.sol";
interface IOAppReceiver is ILayerZeroReceiver {
/**
* @notice Indicates whether an address is an approved composeMsg sender to the Endpoint.
* @param _origin The origin information containing the source endpoint and sender address.
* - srcEid: The source chain endpoint ID.
* - sender: The sender address on the src chain.
* - nonce: The nonce of the message.
* @param _message The lzReceive payload.
* @param _sender The sender address.
* @return isSender Is a valid sender.
*
* @dev Applications can optionally choose to implement a separate composeMsg sender that is NOT the bridging layer.
* @dev The default sender IS the OAppReceiver implementer.
*/
function isComposeMsgSender(
Origin calldata _origin,
bytes calldata _message,
address _sender
) external view returns (bool isSender);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
import { IOAppOptionsType3, EnforcedOptionParam } from "../interfaces/IOAppOptionsType3.sol";
/**
* @title OAppOptionsType3
* @dev Abstract contract implementing the IOAppOptionsType3 interface with type 3 options.
*/
abstract contract OAppOptionsType3 is IOAppOptionsType3, Ownable {
uint16 internal constant OPTION_TYPE_3 = 3;
// @dev The "msgType" should be defined in the child contract.
mapping(uint32 eid => mapping(uint16 msgType => bytes enforcedOption)) public enforcedOptions;
/**
* @dev Sets the enforced options for specific endpoint and message type combinations.
* @param _enforcedOptions An array of EnforcedOptionParam structures specifying enforced options.
*
* @dev Only the owner/admin of the OApp can call this function.
* @dev Provides a way for the OApp to enforce things like paying for PreCrime, AND/OR minimum dst lzReceive gas amounts etc.
* @dev These enforced options can vary as the potential options/execution on the remote may differ as per the msgType.
* eg. Amount of lzReceive() gas necessary to deliver a lzCompose() message adds overhead you dont want to pay
* if you are only making a standard LayerZero message ie. lzReceive() WITHOUT sendCompose().
*/
function setEnforcedOptions(EnforcedOptionParam[] calldata _enforcedOptions) public virtual onlyOwner {
_setEnforcedOptions(_enforcedOptions);
}
/**
* @dev Sets the enforced options for specific endpoint and message type combinations.
* @param _enforcedOptions An array of EnforcedOptionParam structures specifying enforced options.
*
* @dev Provides a way for the OApp to enforce things like paying for PreCrime, AND/OR minimum dst lzReceive gas amounts etc.
* @dev These enforced options can vary as the potential options/execution on the remote may differ as per the msgType.
* eg. Amount of lzReceive() gas necessary to deliver a lzCompose() message adds overhead you dont want to pay
* if you are only making a standard LayerZero message ie. lzReceive() WITHOUT sendCompose().
*/
function _setEnforcedOptions(EnforcedOptionParam[] memory _enforcedOptions) internal virtual {
for (uint256 i = 0; i < _enforcedOptions.length; i++) {
// @dev Enforced options are only available for optionType 3, as type 1 and 2 dont support combining.
_assertOptionsType3(_enforcedOptions[i].options);
enforcedOptions[_enforcedOptions[i].eid][_enforcedOptions[i].msgType] = _enforcedOptions[i].options;
}
emit EnforcedOptionSet(_enforcedOptions);
}
/**
* @notice Combines options for a given endpoint and message type.
* @param _eid The endpoint ID.
* @param _msgType The OAPP message type.
* @param _extraOptions Additional options passed by the caller.
* @return options The combination of caller specified options AND enforced options.
*
* @dev If there is an enforced lzReceive option:
* - {gasLimit: 200k, msg.value: 1 ether} AND a caller supplies a lzReceive option: {gasLimit: 100k, msg.value: 0.5 ether}
* - The resulting options will be {gasLimit: 300k, msg.value: 1.5 ether} when the message is executed on the remote lzReceive() function.
* @dev This presence of duplicated options is handled off-chain in the verifier/executor.
*/
function combineOptions(
uint32 _eid,
uint16 _msgType,
bytes calldata _extraOptions
) public view virtual returns (bytes memory) {
bytes memory enforced = enforcedOptions[_eid][_msgType];
// No enforced options, pass whatever the caller supplied, even if it's empty or legacy type 1/2 options.
if (enforced.length == 0) return _extraOptions;
// No caller options, return enforced
if (_extraOptions.length == 0) return enforced;
// @dev If caller provided _extraOptions, must be type 3 as its the ONLY type that can be combined.
if (_extraOptions.length >= 2) {
_assertOptionsType3(_extraOptions);
// @dev Remove the first 2 bytes containing the type from the _extraOptions and combine with enforced.
return bytes.concat(enforced, _extraOptions[2:]);
}
// No valid set of options was found.
revert InvalidOptions(_extraOptions);
}
/**
* @dev Internal function to assert that options are of type 3.
* @param _options The options to be checked.
*/
function _assertOptionsType3(bytes memory _options) internal pure virtual {
uint16 optionsType;
assembly {
optionsType := mload(add(_options, 2))
}
if (optionsType != OPTION_TYPE_3) revert InvalidOptions(_options);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
// @dev Import the 'MessagingFee' and 'MessagingReceipt' so it's exposed to OApp implementers
// solhint-disable-next-line no-unused-import
import { OAppSender, MessagingFee, MessagingReceipt } from "./OAppSender.sol";
// @dev Import the 'Origin' so it's exposed to OApp implementers
// solhint-disable-next-line no-unused-import
import { OAppReceiver, Origin } from "./OAppReceiver.sol";
import { OAppCore } from "./OAppCore.sol";
/**
* @title OApp
* @dev Abstract contract serving as the base for OApp implementation, combining OAppSender and OAppReceiver functionality.
*/
abstract contract OApp is OAppSender, OAppReceiver {
/**
* @dev Constructor to initialize the OApp with the provided endpoint and owner.
* @param _endpoint The address of the LOCAL LayerZero endpoint.
* @param _delegate The delegate capable of making OApp configurations inside of the endpoint.
*/
constructor(address _endpoint, address _delegate) OAppCore(_endpoint, _delegate) {}
/**
* @notice Retrieves the OApp version information.
* @return senderVersion The version of the OAppSender.sol implementation.
* @return receiverVersion The version of the OAppReceiver.sol implementation.
*/
function oAppVersion()
public
pure
virtual
override(OAppSender, OAppReceiver)
returns (uint64 senderVersion, uint64 receiverVersion)
{
return (SENDER_VERSION, RECEIVER_VERSION);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
import { IOAppCore, ILayerZeroEndpointV2 } from "./interfaces/IOAppCore.sol";
/**
* @title OAppCore
* @dev Abstract contract implementing the IOAppCore interface with basic OApp configurations.
*/
abstract contract OAppCore is IOAppCore, Ownable {
// The LayerZero endpoint associated with the given OApp
ILayerZeroEndpointV2 public immutable endpoint;
// Mapping to store peers associated with corresponding endpoints
mapping(uint32 eid => bytes32 peer) public peers;
/**
* @dev Constructor to initialize the OAppCore with the provided endpoint and delegate.
* @param _endpoint The address of the LOCAL Layer Zero endpoint.
* @param _delegate The delegate capable of making OApp configurations inside of the endpoint.
*
* @dev The delegate typically should be set as the owner of the contract.
*/
constructor(address _endpoint, address _delegate) {
endpoint = ILayerZeroEndpointV2(_endpoint);
if (_delegate == address(0)) revert InvalidDelegate();
endpoint.setDelegate(_delegate);
}
/**
* @notice Sets the peer address (OApp instance) for a corresponding endpoint.
* @param _eid The endpoint ID.
* @param _peer The address of the peer to be associated with the corresponding endpoint.
*
* @dev Only the owner/admin of the OApp can call this function.
* @dev Indicates that the peer is trusted to send LayerZero messages to this OApp.
* @dev Set this to bytes32(0) to remove the peer address.
* @dev Peer is a bytes32 to accommodate non-evm chains.
*/
function setPeer(uint32 _eid, bytes32 _peer) public virtual onlyOwner {
_setPeer(_eid, _peer);
}
/**
* @notice Sets the peer address (OApp instance) for a corresponding endpoint.
* @param _eid The endpoint ID.
* @param _peer The address of the peer to be associated with the corresponding endpoint.
*
* @dev Indicates that the peer is trusted to send LayerZero messages to this OApp.
* @dev Set this to bytes32(0) to remove the peer address.
* @dev Peer is a bytes32 to accommodate non-evm chains.
*/
function _setPeer(uint32 _eid, bytes32 _peer) internal virtual {
peers[_eid] = _peer;
emit PeerSet(_eid, _peer);
}
/**
* @notice Internal function to get the peer address associated with a specific endpoint; reverts if NOT set.
* ie. the peer is set to bytes32(0).
* @param _eid The endpoint ID.
* @return peer The address of the peer associated with the specified endpoint.
*/
function _getPeerOrRevert(uint32 _eid) internal view virtual returns (bytes32) {
bytes32 peer = peers[_eid];
if (peer == bytes32(0)) revert NoPeer(_eid);
return peer;
}
/**
* @notice Sets the delegate address for the OApp.
* @param _delegate The address of the delegate to be set.
*
* @dev Only the owner/admin of the OApp can call this function.
* @dev Provides the ability for a delegate to set configs, on behalf of the OApp, directly on the Endpoint contract.
*/
function setDelegate(address _delegate) public onlyOwner {
endpoint.setDelegate(_delegate);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import { IOAppReceiver, Origin } from "./interfaces/IOAppReceiver.sol";
import { OAppCore } from "./OAppCore.sol";
/**
* @title OAppReceiver
* @dev Abstract contract implementing the ILayerZeroReceiver interface and extending OAppCore for OApp receivers.
*/
abstract contract OAppReceiver is IOAppReceiver, OAppCore {
// Custom error message for when the caller is not the registered endpoint/
error OnlyEndpoint(address addr);
// @dev The version of the OAppReceiver implementation.
// @dev Version is bumped when changes are made to this contract.
uint64 internal constant RECEIVER_VERSION = 2;
/**
* @notice Retrieves the OApp version information.
* @return senderVersion The version of the OAppSender.sol contract.
* @return receiverVersion The version of the OAppReceiver.sol contract.
*
* @dev Providing 0 as the default for OAppSender version. Indicates that the OAppSender is not implemented.
* ie. this is a RECEIVE only OApp.
* @dev If the OApp uses both OAppSender and OAppReceiver, then this needs to be override returning the correct versions.
*/
function oAppVersion() public view virtual returns (uint64 senderVersion, uint64 receiverVersion) {
return (0, RECEIVER_VERSION);
}
/**
* @notice Indicates whether an address is an approved composeMsg sender to the Endpoint.
* @dev _origin The origin information containing the source endpoint and sender address.
* - srcEid: The source chain endpoint ID.
* - sender: The sender address on the src chain.
* - nonce: The nonce of the message.
* @dev _message The lzReceive payload.
* @param _sender The sender address.
* @return isSender Is a valid sender.
*
* @dev Applications can optionally choose to implement separate composeMsg senders that are NOT the bridging layer.
* @dev The default sender IS the OAppReceiver implementer.
*/
function isComposeMsgSender(
Origin calldata /*_origin*/,
bytes calldata /*_message*/,
address _sender
) public view virtual returns (bool) {
return _sender == address(this);
}
/**
* @notice Checks if the path initialization is allowed based on the provided origin.
* @param origin The origin information containing the source endpoint and sender address.
* @return Whether the path has been initialized.
*
* @dev This indicates to the endpoint that the OApp has enabled msgs for this particular path to be received.
* @dev This defaults to assuming if a peer has been set, its initialized.
* Can be overridden by the OApp if there is other logic to determine this.
*/
function allowInitializePath(Origin calldata origin) public view virtual returns (bool) {
return peers[origin.srcEid] == origin.sender;
}
/**
* @notice Retrieves the next nonce for a given source endpoint and sender address.
* @dev _srcEid The source endpoint ID.
* @dev _sender The sender address.
* @return nonce The next nonce.
*
* @dev The path nonce starts from 1. If 0 is returned it means that there is NO nonce ordered enforcement.
* @dev Is required by the off-chain executor to determine the OApp expects msg execution is ordered.
* @dev This is also enforced by the OApp.
* @dev By default this is NOT enabled. ie. nextNonce is hardcoded to return 0.
*/
function nextNonce(uint32 /*_srcEid*/, bytes32 /*_sender*/) public view virtual returns (uint64 nonce) {
return 0;
}
/**
* @dev Entry point for receiving messages or packets from the endpoint.
* @param _origin The origin information containing the source endpoint and sender address.
* - srcEid: The source chain endpoint ID.
* - sender: The sender address on the src chain.
* - nonce: The nonce of the message.
* @param _guid The unique identifier for the received LayerZero message.
* @param _message The payload of the received message.
* @param _executor The address of the executor for the received message.
* @param _extraData Additional arbitrary data provided by the corresponding executor.
*
* @dev Entry point for receiving msg/packet from the LayerZero endpoint.
*/
function lzReceive(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address _executor,
bytes calldata _extraData
) public payable virtual {
// Ensures that only the endpoint can attempt to lzReceive() messages to this OApp.
if (address(endpoint) != msg.sender) revert OnlyEndpoint(msg.sender);
// Ensure that the sender matches the expected peer for the source endpoint.
if (_getPeerOrRevert(_origin.srcEid) != _origin.sender) revert OnlyPeer(_origin.srcEid, _origin.sender);
// Call the internal OApp implementation of lzReceive.
_lzReceive(_origin, _guid, _message, _executor, _extraData);
}
/**
* @dev Internal function to implement lzReceive logic without needing to copy the basic parameter validation.
*/
function _lzReceive(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address _executor,
bytes calldata _extraData
) internal virtual;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import { SafeERC20, IERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { MessagingParams, MessagingFee, MessagingReceipt } from "@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroEndpointV2.sol";
import { OAppCore } from "./OAppCore.sol";
/**
* @title OAppSender
* @dev Abstract contract implementing the OAppSender functionality for sending messages to a LayerZero endpoint.
*/
abstract contract OAppSender is OAppCore {
using SafeERC20 for IERC20;
// Custom error messages
error NotEnoughNative(uint256 msgValue);
error LzTokenUnavailable();
// @dev The version of the OAppSender implementation.
// @dev Version is bumped when changes are made to this contract.
uint64 internal constant SENDER_VERSION = 1;
/**
* @notice Retrieves the OApp version information.
* @return senderVersion The version of the OAppSender.sol contract.
* @return receiverVersion The version of the OAppReceiver.sol contract.
*
* @dev Providing 0 as the default for OAppReceiver version. Indicates that the OAppReceiver is not implemented.
* ie. this is a SEND only OApp.
* @dev If the OApp uses both OAppSender and OAppReceiver, then this needs to be override returning the correct versions
*/
function oAppVersion() public view virtual returns (uint64 senderVersion, uint64 receiverVersion) {
return (SENDER_VERSION, 0);
}
/**
* @dev Internal function to interact with the LayerZero EndpointV2.quote() for fee calculation.
* @param _dstEid The destination endpoint ID.
* @param _message The message payload.
* @param _options Additional options for the message.
* @param _payInLzToken Flag indicating whether to pay the fee in LZ tokens.
* @return fee The calculated MessagingFee for the message.
* - nativeFee: The native fee for the message.
* - lzTokenFee: The LZ token fee for the message.
*/
function _quote(
uint32 _dstEid,
bytes memory _message,
bytes memory _options,
bool _payInLzToken
) internal view virtual returns (MessagingFee memory fee) {
return
endpoint.quote(
MessagingParams(_dstEid, _getPeerOrRevert(_dstEid), _message, _options, _payInLzToken),
address(this)
);
}
/**
* @dev Internal function to interact with the LayerZero EndpointV2.send() for sending a message.
* @param _dstEid The destination endpoint ID.
* @param _message The message payload.
* @param _options Additional options for the message.
* @param _fee The calculated LayerZero fee for the message.
* - nativeFee: The native fee.
* - lzTokenFee: The lzToken fee.
* @param _refundAddress The address to receive any excess fee values sent to the endpoint.
* @return receipt The receipt for the sent message.
* - guid: The unique identifier for the sent message.
* - nonce: The nonce of the sent message.
* - fee: The LayerZero fee incurred for the message.
*/
function _lzSend(
uint32 _dstEid,
bytes memory _message,
bytes memory _options,
MessagingFee memory _fee,
address _refundAddress
) internal virtual returns (MessagingReceipt memory receipt) {
// @dev Push corresponding fees to the endpoint, any excess is sent back to the _refundAddress from the endpoint.
uint256 messageValue = _payNative(_fee.nativeFee);
if (_fee.lzTokenFee > 0) _payLzToken(_fee.lzTokenFee);
return
// solhint-disable-next-line check-send-result
endpoint.send{ value: messageValue }(
MessagingParams(_dstEid, _getPeerOrRevert(_dstEid), _message, _options, _fee.lzTokenFee > 0),
_refundAddress
);
}
/**
* @dev Internal function to pay the native fee associated with the message.
* @param _nativeFee The native fee to be paid.
* @return nativeFee The amount of native currency paid.
*
* @dev If the OApp needs to initiate MULTIPLE LayerZero messages in a single transaction,
* this will need to be overridden because msg.value would contain multiple lzFees.
* @dev Should be overridden in the event the LayerZero endpoint requires a different native currency.
* @dev Some EVMs use an ERC20 as a method for paying transactions/gasFees.
* @dev The endpoint is EITHER/OR, ie. it will NOT support both types of native payment at a time.
*/
function _payNative(uint256 _nativeFee) internal virtual returns (uint256 nativeFee) {
if (msg.value != _nativeFee) revert NotEnoughNative(msg.value);
return _nativeFee;
}
/**
* @dev Internal function to pay the LZ token fee associated with the message.
* @param _lzTokenFee The LZ token fee to be paid.
*
* @dev If the caller is trying to pay in the specified lzToken, then the lzTokenFee is passed to the endpoint.
* @dev Any excess sent, is passed back to the specified _refundAddress in the _lzSend().
*/
function _payLzToken(uint256 _lzTokenFee) internal virtual {
// @dev Cannot cache the token because it is not immutable in the endpoint.
address lzToken = endpoint.lzToken();
if (lzToken == address(0)) revert LzTokenUnavailable();
// Pay LZ token fee by sending tokens to the endpoint.
IERC20(lzToken).safeTransferFrom(msg.sender, address(endpoint), _lzTokenFee);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
// @dev Import the Origin so it's exposed to OAppPreCrimeSimulator implementers.
// solhint-disable-next-line no-unused-import
import { InboundPacket, Origin } from "../libs/Packet.sol";
/**
* @title IOAppPreCrimeSimulator Interface
* @dev Interface for the preCrime simulation functionality in an OApp.
*/
interface IOAppPreCrimeSimulator {
// @dev simulation result used in PreCrime implementation
error SimulationResult(bytes result);
error OnlySelf();
/**
* @dev Emitted when the preCrime contract address is set.
* @param preCrimeAddress The address of the preCrime contract.
*/
event PreCrimeSet(address preCrimeAddress);
/**
* @dev Retrieves the address of the preCrime contract implementation.
* @return The address of the preCrime contract.
*/
function preCrime() external view returns (address);
/**
* @dev Retrieves the address of the OApp contract.
* @return The address of the OApp contract.
*/
function oApp() external view returns (address);
/**
* @dev Sets the preCrime contract address.
* @param _preCrime The address of the preCrime contract.
*/
function setPreCrime(address _preCrime) external;
/**
* @dev Mocks receiving a packet, then reverts with a series of data to infer the state/result.
* @param _packets An array of LayerZero InboundPacket objects representing received packets.
*/
function lzReceiveAndRevert(InboundPacket[] calldata _packets) external payable;
/**
* @dev checks if the specified peer is considered 'trusted' by the OApp.
* @param _eid The endpoint Id to check.
* @param _peer The peer to check.
* @return Whether the peer passed is considered 'trusted' by the OApp.
*/
function isPeer(uint32 _eid, bytes32 _peer) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
struct PreCrimePeer {
uint32 eid;
bytes32 preCrime;
bytes32 oApp;
}
// TODO not done yet
interface IPreCrime {
error OnlyOffChain();
// for simulate()
error PacketOversize(uint256 max, uint256 actual);
error PacketUnsorted();
error SimulationFailed(bytes reason);
// for preCrime()
error SimulationResultNotFound(uint32 eid);
error InvalidSimulationResult(uint32 eid, bytes reason);
error CrimeFound(bytes crime);
function getConfig(bytes[] calldata _packets, uint256[] calldata _packetMsgValues) external returns (bytes memory);
function simulate(
bytes[] calldata _packets,
uint256[] calldata _packetMsgValues
) external payable returns (bytes memory);
function buildSimulationResult() external view returns (bytes memory);
function preCrime(
bytes[] calldata _packets,
uint256[] calldata _packetMsgValues,
bytes[] calldata _simulations
) external;
function version() external view returns (uint64 major, uint8 minor);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import { Origin } from "@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroEndpointV2.sol";
import { PacketV1Codec } from "@layerzerolabs/lz-evm-protocol-v2/contracts/messagelib/libs/PacketV1Codec.sol";
/**
* @title InboundPacket
* @dev Structure representing an inbound packet received by the contract.
*/
struct InboundPacket {
Origin origin; // Origin information of the packet.
uint32 dstEid; // Destination endpointId of the packet.
address receiver; // Receiver address for the packet.
bytes32 guid; // Unique identifier of the packet.
uint256 value; // msg.value of the packet.
address executor; // Executor address for the packet.
bytes message; // Message payload of the packet.
bytes extraData; // Additional arbitrary data for the packet.
}
/**
* @title PacketDecoder
* @dev Library for decoding LayerZero packets.
*/
library PacketDecoder {
using PacketV1Codec for bytes;
/**
* @dev Decode an inbound packet from the given packet data.
* @param _packet The packet data to decode.
* @return packet An InboundPacket struct representing the decoded packet.
*/
function decode(bytes calldata _packet) internal pure returns (InboundPacket memory packet) {
packet.origin = Origin(_packet.srcEid(), _packet.sender(), _packet.nonce());
packet.dstEid = _packet.dstEid();
packet.receiver = _packet.receiverB20();
packet.guid = _packet.guid();
packet.message = _packet.message();
}
/**
* @dev Decode multiple inbound packets from the given packet data and associated message values.
* @param _packets An array of packet data to decode.
* @param _packetMsgValues An array of associated message values for each packet.
* @return packets An array of InboundPacket structs representing the decoded packets.
*/
function decode(
bytes[] calldata _packets,
uint256[] memory _packetMsgValues
) internal pure returns (InboundPacket[] memory packets) {
packets = new InboundPacket[](_packets.length);
for (uint256 i = 0; i < _packets.length; i++) {
bytes calldata packet = _packets[i];
packets[i] = PacketDecoder.decode(packet);
// @dev Allows the verifier to specify the msg.value that gets passed in lzReceive.
packets[i].value = _packetMsgValues[i];
}
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
import { IPreCrime } from "./interfaces/IPreCrime.sol";
import { IOAppPreCrimeSimulator, InboundPacket, Origin } from "./interfaces/IOAppPreCrimeSimulator.sol";
/**
* @title OAppPreCrimeSimulator
* @dev Abstract contract serving as the base for preCrime simulation functionality in an OApp.
*/
abstract contract OAppPreCrimeSimulator is IOAppPreCrimeSimulator, Ownable {
// The address of the preCrime implementation.
address public preCrime;
/**
* @dev Retrieves the address of the OApp contract.
* @return The address of the OApp contract.
*
* @dev The simulator contract is the base contract for the OApp by default.
* @dev If the simulator is a separate contract, override this function.
*/
function oApp() external view virtual returns (address) {
return address(this);
}
/**
* @dev Sets the preCrime contract address.
* @param _preCrime The address of the preCrime contract.
*/
function setPreCrime(address _preCrime) public virtual onlyOwner {
preCrime = _preCrime;
emit PreCrimeSet(_preCrime);
}
/**
* @dev Interface for pre-crime simulations. Always reverts at the end with the simulation results.
* @param _packets An array of InboundPacket objects representing received packets to be delivered.
*
* @dev WARNING: MUST revert at the end with the simulation results.
* @dev Gives the preCrime implementation the ability to mock sending packets to the lzReceive function,
* WITHOUT actually executing them.
*/
function lzReceiveAndRevert(InboundPacket[] calldata _packets) public payable virtual {
for (uint256 i = 0; i < _packets.length; i++) {
InboundPacket calldata packet = _packets[i];
// Ignore packets that are not from trusted peers.
if (!isPeer(packet.origin.srcEid, packet.origin.sender)) continue;
// @dev Because a verifier is calling this function, it doesnt have access to executor params:
// - address _executor
// - bytes calldata _extraData
// preCrime will NOT work for OApps that rely on these two parameters inside of their _lzReceive().
// They are instead stubbed to default values, address(0) and bytes("")
// @dev Calling this.lzReceiveSimulate removes ability for assembly return 0 callstack exit,
// which would cause the revert to be ignored.
this.lzReceiveSimulate{ value: packet.value }(
packet.origin,
packet.guid,
packet.message,
packet.executor,
packet.extraData
);
}
// @dev Revert with the simulation results. msg.sender must implement IPreCrime.buildSimulationResult().
revert SimulationResult(IPreCrime(msg.sender).buildSimulationResult());
}
/**
* @dev Is effectively an internal function because msg.sender must be address(this).
* Allows resetting the call stack for 'internal' calls.
* @param _origin The origin information containing the source endpoint and sender address.
* - srcEid: The source chain endpoint ID.
* - sender: The sender address on the src chain.
* - nonce: The nonce of the message.
* @param _guid The unique identifier of the packet.
* @param _message The message payload of the packet.
* @param _executor The executor address for the packet.
* @param _extraData Additional data for the packet.
*/
function lzReceiveSimulate(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address _executor,
bytes calldata _extraData
) external payable virtual {
// @dev Ensure ONLY can be called 'internally'.
if (msg.sender != address(this)) revert OnlySelf();
_lzReceiveSimulate(_origin, _guid, _message, _executor, _extraData);
}
/**
* @dev Internal function to handle the OAppPreCrimeSimulator simulated receive.
* @param _origin The origin information.
* - srcEid: The source chain endpoint ID.
* - sender: The sender address from the src chain.
* - nonce: The nonce of the LayerZero message.
* @param _guid The GUID of the LayerZero message.
* @param _message The LayerZero message.
* @param _executor The address of the off-chain executor.
* @param _extraData Arbitrary data passed by the msg executor.
*
* @dev Enables the preCrime simulator to mock sending lzReceive() messages,
* routes the msg down from the OAppPreCrimeSimulator, and back up to the OAppReceiver.
*/
function _lzReceiveSimulate(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address _executor,
bytes calldata _extraData
) internal virtual;
/**
* @dev checks if the specified peer is considered 'trusted' by the OApp.
* @param _eid The endpoint Id to check.
* @param _peer The peer to check.
* @return Whether the peer passed is considered 'trusted' by the OApp.
*/
function isPeer(uint32 _eid, bytes32 _peer) public view virtual returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import { MessagingReceipt, MessagingFee } from "@layerzerolabs/oapp-evm/contracts/oapp/OAppSender.sol";
/**
* @dev Struct representing token parameters for the OFT send() operation.
*/
struct SendParam {
uint32 dstEid; // Destination endpoint ID.
bytes32 to; // Recipient address.
uint256 amountLD; // Amount to send in local decimals.
uint256 minAmountLD; // Minimum amount to send in local decimals.
bytes extraOptions; // Additional options supplied by the caller to be used in the LayerZero message.
bytes composeMsg; // The composed message for the send() operation.
bytes oftCmd; // The OFT command to be executed, unused in default OFT implementations.
}
/**
* @dev Struct representing OFT limit information.
* @dev These amounts can change dynamically and are up the specific oft implementation.
*/
struct OFTLimit {
uint256 minAmountLD; // Minimum amount in local decimals that can be sent to the recipient.
uint256 maxAmountLD; // Maximum amount in local decimals that can be sent to the recipient.
}
/**
* @dev Struct representing OFT receipt information.
*/
struct OFTReceipt {
uint256 amountSentLD; // Amount of tokens ACTUALLY debited from the sender in local decimals.
// @dev In non-default implementations, the amountReceivedLD COULD differ from this value.
uint256 amountReceivedLD; // Amount of tokens to be received on the remote side.
}
/**
* @dev Struct representing OFT fee details.
* @dev Future proof mechanism to provide a standardized way to communicate fees to things like a UI.
*/
struct OFTFeeDetail {
int256 feeAmountLD; // Amount of the fee in local decimals.
string description; // Description of the fee.
}
/**
* @title IOFT
* @dev Interface for the OftChain (OFT) token.
* @dev Does not inherit ERC20 to accommodate usage by OFTAdapter as well.
* @dev This specific interface ID is '0x02e49c2c'.
*/
interface IOFT {
// Custom error messages
error InvalidLocalDecimals();
error SlippageExceeded(uint256 amountLD, uint256 minAmountLD);
// Events
event OFTSent(
bytes32 indexed guid, // GUID of the OFT message.
uint32 dstEid, // Destination Endpoint ID.
address indexed fromAddress, // Address of the sender on the src chain.
uint256 amountSentLD, // Amount of tokens sent in local decimals.
uint256 amountReceivedLD // Amount of tokens received in local decimals.
);
event OFTReceived(
bytes32 indexed guid, // GUID of the OFT message.
uint32 srcEid, // Source Endpoint ID.
address indexed toAddress, // Address of the recipient on the dst chain.
uint256 amountReceivedLD // Amount of tokens received in local decimals.
);
/**
* @notice Retrieves interfaceID and the version of the OFT.
* @return interfaceId The interface ID.
* @return version The version.
*
* @dev interfaceId: This specific interface ID is '0x02e49c2c'.
* @dev version: Indicates a cross-chain compatible msg encoding with other OFTs.
* @dev If a new feature is added to the OFT cross-chain msg encoding, the version will be incremented.
* ie. localOFT version(x,1) CAN send messages to remoteOFT version(x,1)
*/
function oftVersion() external view returns (bytes4 interfaceId, uint64 version);
/**
* @notice Retrieves the address of the token associated with the OFT.
* @return token The address of the ERC20 token implementation.
*/
function token() external view returns (address);
/**
* @notice Indicates whether the OFT contract requires approval of the 'token()' to send.
* @return requiresApproval Needs approval of the underlying token implementation.
*
* @dev Allows things like wallet implementers to determine integration requirements,
* without understanding the underlying token implementation.
*/
function approvalRequired() external view returns (bool);
/**
* @notice Retrieves the shared decimals of the OFT.
* @return sharedDecimals The shared decimals of the OFT.
*/
function sharedDecimals() external view returns (uint8);
/**
* @notice Provides the fee breakdown and settings data for an OFT. Unused in the default implementation.
* @param _sendParam The parameters for the send operation.
* @return limit The OFT limit information.
* @return oftFeeDetails The details of OFT fees.
* @return receipt The OFT receipt information.
*/
function quoteOFT(
SendParam calldata _sendParam
) external view returns (OFTLimit memory, OFTFeeDetail[] memory oftFeeDetails, OFTReceipt memory);
/**
* @notice Provides a quote for the send() operation.
* @param _sendParam The parameters for the send() operation.
* @param _payInLzToken Flag indicating whether the caller is paying in the LZ token.
* @return fee The calculated LayerZero messaging fee from the send() operation.
*
* @dev MessagingFee: LayerZero msg fee
* - nativeFee: The native fee.
* - lzTokenFee: The lzToken fee.
*/
function quoteSend(SendParam calldata _sendParam, bool _payInLzToken) external view returns (MessagingFee memory);
/**
* @notice Executes the send() operation.
* @param _sendParam The parameters for the send operation.
* @param _fee The fee information supplied by the caller.
* - nativeFee: The native fee.
* - lzTokenFee: The lzToken fee.
* @param _refundAddress The address to receive any excess funds from fees etc. on the src.
* @return receipt The LayerZero messaging receipt from the send() operation.
* @return oftReceipt The OFT receipt information.
*
* @dev MessagingReceipt: LayerZero msg receipt
* - guid: The unique identifier for the sent message.
* - nonce: The nonce of the sent message.
* - fee: The LayerZero fee incurred for the message.
*/
function send(
SendParam calldata _sendParam,
MessagingFee calldata _fee,
address _refundAddress
) external payable returns (MessagingReceipt memory, OFTReceipt memory);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
library OFTComposeMsgCodec {
// Offset constants for decoding composed messages
uint8 private constant NONCE_OFFSET = 8;
uint8 private constant SRC_EID_OFFSET = 12;
uint8 private constant AMOUNT_LD_OFFSET = 44;
uint8 private constant COMPOSE_FROM_OFFSET = 76;
/**
* @dev Encodes a OFT composed message.
* @param _nonce The nonce value.
* @param _srcEid The source endpoint ID.
* @param _amountLD The amount in local decimals.
* @param _composeMsg The composed message.
* @return _msg The encoded Composed message.
*/
function encode(
uint64 _nonce,
uint32 _srcEid,
uint256 _amountLD,
bytes memory _composeMsg // 0x[composeFrom][composeMsg]
) internal pure returns (bytes memory _msg) {
_msg = abi.encodePacked(_nonce, _srcEid, _amountLD, _composeMsg);
}
/**
* @dev Retrieves the nonce for the composed message.
* @param _msg The message.
* @return The nonce value.
*/
function nonce(bytes calldata _msg) internal pure returns (uint64) {
return uint64(bytes8(_msg[:NONCE_OFFSET]));
}
/**
* @dev Retrieves the source endpoint ID for the composed message.
* @param _msg The message.
* @return The source endpoint ID.
*/
function srcEid(bytes calldata _msg) internal pure returns (uint32) {
return uint32(bytes4(_msg[NONCE_OFFSET:SRC_EID_OFFSET]));
}
/**
* @dev Retrieves the amount in local decimals from the composed message.
* @param _msg The message.
* @return The amount in local decimals.
*/
function amountLD(bytes calldata _msg) internal pure returns (uint256) {
return uint256(bytes32(_msg[SRC_EID_OFFSET:AMOUNT_LD_OFFSET]));
}
/**
* @dev Retrieves the composeFrom value from the composed message.
* @param _msg The message.
* @return The composeFrom value.
*/
function composeFrom(bytes calldata _msg) internal pure returns (bytes32) {
return bytes32(_msg[AMOUNT_LD_OFFSET:COMPOSE_FROM_OFFSET]);
}
/**
* @dev Retrieves the composed message.
* @param _msg The message.
* @return The composed message.
*/
function composeMsg(bytes calldata _msg) internal pure returns (bytes memory) {
return _msg[COMPOSE_FROM_OFFSET:];
}
/**
* @dev Converts an address to bytes32.
* @param _addr The address to convert.
* @return The bytes32 representation of the address.
*/
function addressToBytes32(address _addr) internal pure returns (bytes32) {
return bytes32(uint256(uint160(_addr)));
}
/**
* @dev Converts bytes32 to an address.
* @param _b The bytes32 value to convert.
* @return The address representation of bytes32.
*/
function bytes32ToAddress(bytes32 _b) internal pure returns (address) {
return address(uint160(uint256(_b)));
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
library OFTMsgCodec {
// Offset constants for encoding and decoding OFT messages
uint8 private constant SEND_TO_OFFSET = 32;
uint8 private constant SEND_AMOUNT_SD_OFFSET = 40;
/**
* @dev Encodes an OFT LayerZero message.
* @param _sendTo The recipient address.
* @param _amountShared The amount in shared decimals.
* @param _composeMsg The composed message.
* @return _msg The encoded message.
* @return hasCompose A boolean indicating whether the message has a composed payload.
*/
function encode(
bytes32 _sendTo,
uint64 _amountShared,
bytes memory _composeMsg
) internal view returns (bytes memory _msg, bool hasCompose) {
hasCompose = _composeMsg.length > 0;
// @dev Remote chains will want to know the composed function caller ie. msg.sender on the src.
_msg = hasCompose
? abi.encodePacked(_sendTo, _amountShared, addressToBytes32(msg.sender), _composeMsg)
: abi.encodePacked(_sendTo, _amountShared);
}
/**
* @dev Checks if the OFT message is composed.
* @param _msg The OFT message.
* @return A boolean indicating whether the message is composed.
*/
function isComposed(bytes calldata _msg) internal pure returns (bool) {
return _msg.length > SEND_AMOUNT_SD_OFFSET;
}
/**
* @dev Retrieves the recipient address from the OFT message.
* @param _msg The OFT message.
* @return The recipient address.
*/
function sendTo(bytes calldata _msg) internal pure returns (bytes32) {
return bytes32(_msg[:SEND_TO_OFFSET]);
}
/**
* @dev Retrieves the amount in shared decimals from the OFT message.
* @param _msg The OFT message.
* @return The amount in shared decimals.
*/
function amountSD(bytes calldata _msg) internal pure returns (uint64) {
return uint64(bytes8(_msg[SEND_TO_OFFSET:SEND_AMOUNT_SD_OFFSET]));
}
/**
* @dev Retrieves the composed message from the OFT message.
* @param _msg The OFT message.
* @return The composed message.
*/
function composeMsg(bytes calldata _msg) internal pure returns (bytes memory) {
return _msg[SEND_AMOUNT_SD_OFFSET:];
}
/**
* @dev Converts an address to bytes32.
* @param _addr The address to convert.
* @return The bytes32 representation of the address.
*/
function addressToBytes32(address _addr) internal pure returns (bytes32) {
return bytes32(uint256(uint160(_addr)));
}
/**
* @dev Converts bytes32 to an address.
* @param _b The bytes32 value to convert.
* @return The address representation of bytes32.
*/
function bytes32ToAddress(bytes32 _b) internal pure returns (address) {
return address(uint160(uint256(_b)));
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import { ERC20 } from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import { IOFT, OFTCore } from "./OFTCore.sol";
/**
* @title OFT Contract
* @dev OFT is an ERC-20 token that extends the functionality of the OFTCore contract.
*/
abstract contract OFT is OFTCore, ERC20 {
/**
* @dev Constructor for the OFT contract.
* @param _name The name of the OFT.
* @param _symbol The symbol of the OFT.
* @param _lzEndpoint The LayerZero endpoint address.
* @param _delegate The delegate capable of making OApp configurations inside of the endpoint.
*/
constructor(
string memory _name,
string memory _symbol,
address _lzEndpoint,
address _delegate
) ERC20(_name, _symbol) OFTCore(decimals(), _lzEndpoint, _delegate) {}
/**
* @dev Retrieves the address of the underlying ERC20 implementation.
* @return The address of the OFT token.
*
* @dev In the case of OFT, address(this) and erc20 are the same contract.
*/
function token() public view returns (address) {
return address(this);
}
/**
* @notice Indicates whether the OFT contract requires approval of the 'token()' to send.
* @return requiresApproval Needs approval of the underlying token implementation.
*
* @dev In the case of OFT where the contract IS the token, approval is NOT required.
*/
function approvalRequired() external pure virtual returns (bool) {
return false;
}
/**
* @dev Burns tokens from the sender's specified balance.
* @param _from The address to debit the tokens from.
* @param _amountLD The amount of tokens to send in local decimals.
* @param _minAmountLD The minimum amount to send in local decimals.
* @param _dstEid The destination chain ID.
* @return amountSentLD The amount sent in local decimals.
* @return amountReceivedLD The amount received in local decimals on the remote.
*/
function _debit(
address _from,
uint256 _amountLD,
uint256 _minAmountLD,
uint32 _dstEid
) internal virtual override returns (uint256 amountSentLD, uint256 amountReceivedLD) {
(amountSentLD, amountReceivedLD) = _debitView(_amountLD, _minAmountLD, _dstEid);
// @dev In NON-default OFT, amountSentLD could be 100, with a 10% fee, the amountReceivedLD amount is 90,
// therefore amountSentLD CAN differ from amountReceivedLD.
// @dev Default OFT burns on src.
_burn(_from, amountSentLD);
}
/**
* @dev Credits tokens to the specified address.
* @param _to The address to credit the tokens to.
* @param _amountLD The amount of tokens to credit in local decimals.
* @dev _srcEid The source chain ID.
* @return amountReceivedLD The amount of tokens ACTUALLY received in local decimals.
*/
function _credit(
address _to,
uint256 _amountLD,
uint32 /*_srcEid*/
) internal virtual override returns (uint256 amountReceivedLD) {
if (_to == address(0x0)) _to = address(0xdead); // _mint(...) does not support address(0x0)
// @dev Default OFT mints on dst.
_mint(_to, _amountLD);
// @dev In the case of NON-default OFT, the _amountLD MIGHT not be == amountReceivedLD.
return _amountLD;
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { OApp, Origin } from "@layerzerolabs/oapp-evm/contracts/oapp/OApp.sol";
import { OAppOptionsType3 } from "@layerzerolabs/oapp-evm/contracts/oapp/libs/OAppOptionsType3.sol";
import { IOAppMsgInspector } from "@layerzerolabs/oapp-evm/contracts/oapp/interfaces/IOAppMsgInspector.sol";
import { OAppPreCrimeSimulator } from "@layerzerolabs/oapp-evm/contracts/precrime/OAppPreCrimeSimulator.sol";
import { IOFT, SendParam, OFTLimit, OFTReceipt, OFTFeeDetail, MessagingReceipt, MessagingFee } from "./interfaces/IOFT.sol";
import { OFTMsgCodec } from "./libs/OFTMsgCodec.sol";
import { OFTComposeMsgCodec } from "./libs/OFTComposeMsgCodec.sol";
/**
* @title OFTCore
* @dev Abstract contract for the OftChain (OFT) token.
*/
abstract contract OFTCore is IOFT, OApp, OAppPreCrimeSimulator, OAppOptionsType3 {
using OFTMsgCodec for bytes;
using OFTMsgCodec for bytes32;
// @notice Provides a conversion rate when swapping between denominations of SD and LD
// - shareDecimals == SD == shared Decimals
// - localDecimals == LD == local decimals
// @dev Considers that tokens have different decimal amounts on various chains.
// @dev eg.
// For a token
// - locally with 4 decimals --> 1.2345 => uint(12345)
// - remotely with 2 decimals --> 1.23 => uint(123)
// - The conversion rate would be 10 ** (4 - 2) = 100
// @dev If you want to send 1.2345 -> (uint 12345), you CANNOT represent that value on the remote,
// you can only display 1.23 -> uint(123).
// @dev To preserve the dust that would otherwise be lost on that conversion,
// we need to unify a denomination that can be represented on ALL chains inside of the OFT mesh
uint256 public immutable decimalConversionRate;
// @notice Msg types that are used to identify the various OFT operations.
// @dev This can be extended in child contracts for non-default oft operations
// @dev These values are used in things like combineOptions() in OAppOptionsType3.sol.
uint16 public constant SEND = 1;
uint16 public constant SEND_AND_CALL = 2;
// Address of an optional contract to inspect both 'message' and 'options'
address public msgInspector;
event MsgInspectorSet(address inspector);
/**
* @dev Constructor.
* @param _localDecimals The decimals of the token on the local chain (this chain).
* @param _endpoint The address of the LayerZero endpoint.
* @param _delegate The delegate capable of making OApp configurations inside of the endpoint.
*/
constructor(uint8 _localDecimals, address _endpoint, address _delegate) OApp(_endpoint, _delegate) {
if (_localDecimals < sharedDecimals()) revert InvalidLocalDecimals();
decimalConversionRate = 10 ** (_localDecimals - sharedDecimals());
}
/**
* @notice Retrieves interfaceID and the version of the OFT.
* @return interfaceId The interface ID.
* @return version The version.
*
* @dev interfaceId: This specific interface ID is '0x02e49c2c'.
* @dev version: Indicates a cross-chain compatible msg encoding with other OFTs.
* @dev If a new feature is added to the OFT cross-chain msg encoding, the version will be incremented.
* ie. localOFT version(x,1) CAN send messages to remoteOFT version(x,1)
*/
function oftVersion() external pure virtual returns (bytes4 interfaceId, uint64 version) {
return (type(IOFT).interfaceId, 1);
}
/**
* @dev Retrieves the shared decimals of the OFT.
* @return The shared decimals of the OFT.
*
* @dev Sets an implicit cap on the amount of tokens, over uint64.max() will need some sort of outbound cap / totalSupply cap
* Lowest common decimal denominator between chains.
* Defaults to 6 decimal places to provide up to 18,446,744,073,709.551615 units (max uint64).
* For tokens exceeding this totalSupply(), they will need to override the sharedDecimals function with something smaller.
* ie. 4 sharedDecimals would be 1,844,674,407,370,955.1615
*/
function sharedDecimals() public view virtual returns (uint8) {
return 6;
}
/**
* @dev Sets the message inspector address for the OFT.
* @param _msgInspector The address of the message inspector.
*
* @dev This is an optional contract that can be used to inspect both 'message' and 'options'.
* @dev Set it to address(0) to disable it, or set it to a contract address to enable it.
*/
function setMsgInspector(address _msgInspector) public virtual onlyOwner {
msgInspector = _msgInspector;
emit MsgInspectorSet(_msgInspector);
}
/**
* @notice Provides the fee breakdown and settings data for an OFT. Unused in the default implementation.
* @param _sendParam The parameters for the send operation.
* @return oftLimit The OFT limit information.
* @return oftFeeDetails The details of OFT fees.
* @return oftReceipt The OFT receipt information.
*/
function quoteOFT(
SendParam calldata _sendParam
)
external
view
virtual
returns (OFTLimit memory oftLimit, OFTFeeDetail[] memory oftFeeDetails, OFTReceipt memory oftReceipt)
{
uint256 minAmountLD = 0; // Unused in the default implementation.
uint256 maxAmountLD = IERC20(this.token()).totalSupply(); // Unused in the default implementation.
oftLimit = OFTLimit(minAmountLD, maxAmountLD);
// Unused in the default implementation; reserved for future complex fee details.
oftFeeDetails = new OFTFeeDetail[](0);
// @dev This is the same as the send() operation, but without the actual send.
// - amountSentLD is the amount in local decimals that would be sent from the sender.
// - amountReceivedLD is the amount in local decimals that will be credited to the recipient on the remote OFT instance.
// @dev The amountSentLD MIGHT not equal the amount the user actually receives. HOWEVER, the default does.
(uint256 amountSentLD, uint256 amountReceivedLD) = _debitView(
_sendParam.amountLD,
_sendParam.minAmountLD,
_sendParam.dstEid
);
oftReceipt = OFTReceipt(amountSentLD, amountReceivedLD);
}
/**
* @notice Provides a quote for the send() operation.
* @param _sendParam The parameters for the send() operation.
* @param _payInLzToken Flag indicating whether the caller is paying in the LZ token.
* @return msgFee The calculated LayerZero messaging fee from the send() operation.
*
* @dev MessagingFee: LayerZero msg fee
* - nativeFee: The native fee.
* - lzTokenFee: The lzToken fee.
*/
function quoteSend(
SendParam calldata _sendParam,
bool _payInLzToken
) external view virtual returns (MessagingFee memory msgFee) {
// @dev mock the amount to receive, this is the same operation used in the send().
// The quote is as similar as possible to the actual send() operation.
(, uint256 amountReceivedLD) = _debitView(_sendParam.amountLD, _sendParam.minAmountLD, _sendParam.dstEid);
// @dev Builds the options and OFT message to quote in the endpoint.
(bytes memory message, bytes memory options) = _buildMsgAndOptions(_sendParam, amountReceivedLD);
// @dev Calculates the LayerZero fee for the send() operation.
return _quote(_sendParam.dstEid, message, options, _payInLzToken);
}
/**
* @dev Executes the send operation.
* @param _sendParam The parameters for the send operation.
* @param _fee The calculated fee for the send() operation.
* - nativeFee: The native fee.
* - lzTokenFee: The lzToken fee.
* @param _refundAddress The address to receive any excess funds.
* @return msgReceipt The receipt for the send operation.
* @return oftReceipt The OFT receipt information.
*
* @dev MessagingReceipt: LayerZero msg receipt
* - guid: The unique identifier for the sent message.
* - nonce: The nonce of the sent message.
* - fee: The LayerZero fee incurred for the message.
*/
function send(
SendParam calldata _sendParam,
MessagingFee calldata _fee,
address _refundAddress
) external payable virtual returns (MessagingReceipt memory msgReceipt, OFTReceipt memory oftReceipt) {
return _send(_sendParam, _fee, _refundAddress);
}
/**
* @dev Internal function to execute the send operation.
* @param _sendParam The parameters for the send operation.
* @param _fee The calculated fee for the send() operation.
* - nativeFee: The native fee.
* - lzTokenFee: The lzToken fee.
* @param _refundAddress The address to receive any excess funds.
* @return msgReceipt The receipt for the send operation.
* @return oftReceipt The OFT receipt information.
*
* @dev MessagingReceipt: LayerZero msg receipt
* - guid: The unique identifier for the sent message.
* - nonce: The nonce of the sent message.
* - fee: The LayerZero fee incurred for the message.
*/
function _send(
SendParam calldata _sendParam,
MessagingFee calldata _fee,
address _refundAddress
) internal virtual returns (MessagingReceipt memory msgReceipt, OFTReceipt memory oftReceipt) {
// @dev Applies the token transfers regarding this send() operation.
// - amountSentLD is the amount in local decimals that was ACTUALLY sent/debited from the sender.
// - amountReceivedLD is the amount in local decimals that will be received/credited to the recipient on the remote OFT instance.
(uint256 amountSentLD, uint256 amountReceivedLD) = _debit(
msg.sender,
_sendParam.amountLD,
_sendParam.minAmountLD,
_sendParam.dstEid
);
// @dev Builds the options and OFT message to quote in the endpoint.
(bytes memory message, bytes memory options) = _buildMsgAndOptions(_sendParam, amountReceivedLD);
// @dev Sends the message to the LayerZero endpoint and returns the LayerZero msg receipt.
msgReceipt = _lzSend(_sendParam.dstEid, message, options, _fee, _refundAddress);
// @dev Formulate the OFT receipt.
oftReceipt = OFTReceipt(amountSentLD, amountReceivedLD);
emit OFTSent(msgReceipt.guid, _sendParam.dstEid, msg.sender, amountSentLD, amountReceivedLD);
}
/**
* @dev Internal function to build the message and options.
* @param _sendParam The parameters for the send() operation.
* @param _amountLD The amount in local decimals.
* @return message The encoded message.
* @return options The encoded options.
*/
function _buildMsgAndOptions(
SendParam calldata _sendParam,
uint256 _amountLD
) internal view virtual returns (bytes memory message, bytes memory options) {
bool hasCompose;
// @dev This generated message has the msg.sender encoded into the payload so the remote knows who the caller is.
(message, hasCompose) = OFTMsgCodec.encode(
_sendParam.to,
_toSD(_amountLD),
// @dev Must be include a non empty bytes if you want to compose, EVEN if you dont need it on the remote.
// EVEN if you dont require an arbitrary payload to be sent... eg. '0x01'
_sendParam.composeMsg
);
// @dev Change the msg type depending if its composed or not.
uint16 msgType = hasCompose ? SEND_AND_CALL : SEND;
// @dev Combine the callers _extraOptions with the enforced options via the OAppOptionsType3.
options = combineOptions(_sendParam.dstEid, msgType, _sendParam.extraOptions);
// @dev Optionally inspect the message and options depending if the OApp owner has set a msg inspector.
// @dev If it fails inspection, needs to revert in the implementation. ie. does not rely on return boolean
address inspector = msgInspector; // caches the msgInspector to avoid potential double storage read
if (inspector != address(0)) IOAppMsgInspector(inspector).inspect(message, options);
}
/**
* @dev Internal function to handle the receive on the LayerZero endpoint.
* @param _origin The origin information.
* - srcEid: The source chain endpoint ID.
* - sender: The sender address from the src chain.
* - nonce: The nonce of the LayerZero message.
* @param _guid The unique identifier for the received LayerZero message.
* @param _message The encoded message.
* @dev _executor The address of the executor.
* @dev _extraData Additional data.
*/
function _lzReceive(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address /*_executor*/, // @dev unused in the default implementation.
bytes calldata /*_extraData*/ // @dev unused in the default implementation.
) internal virtual override {
// @dev The src sending chain doesnt know the address length on this chain (potentially non-evm)
// Thus everything is bytes32() encoded in flight.
address toAddress = _message.sendTo().bytes32ToAddress();
// @dev Credit the amountLD to the recipient and return the ACTUAL amount the recipient received in local decimals
uint256 amountReceivedLD = _credit(toAddress, _toLD(_message.amountSD()), _origin.srcEid);
if (_message.isComposed()) {
// @dev Proprietary composeMsg format for the OFT.
bytes memory composeMsg = OFTComposeMsgCodec.encode(
_origin.nonce,
_origin.srcEid,
amountReceivedLD,
_message.composeMsg()
);
// @dev Stores the lzCompose payload that will be executed in a separate tx.
// Standardizes functionality for executing arbitrary contract invocation on some non-evm chains.
// @dev The off-chain executor will listen and process the msg based on the src-chain-callers compose options passed.
// @dev The index is used when a OApp needs to compose multiple msgs on lzReceive.
// For default OFT implementation there is only 1 compose msg per lzReceive, thus its always 0.
endpoint.sendCompose(toAddress, _guid, 0 /* the index of the composed message*/, composeMsg);
}
emit OFTReceived(_guid, _origin.srcEid, toAddress, amountReceivedLD);
}
/**
* @dev Internal function to handle the OAppPreCrimeSimulator simulated receive.
* @param _origin The origin information.
* - srcEid: The source chain endpoint ID.
* - sender: The sender address from the src chain.
* - nonce: The nonce of the LayerZero message.
* @param _guid The unique identifier for the received LayerZero message.
* @param _message The LayerZero message.
* @param _executor The address of the off-chain executor.
* @param _extraData Arbitrary data passed by the msg executor.
*
* @dev Enables the preCrime simulator to mock sending lzReceive() messages,
* routes the msg down from the OAppPreCrimeSimulator, and back up to the OAppReceiver.
*/
function _lzReceiveSimulate(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address _executor,
bytes calldata _extraData
) internal virtual override {
_lzReceive(_origin, _guid, _message, _executor, _extraData);
}
/**
* @dev Check if the peer is considered 'trusted' by the OApp.
* @param _eid The endpoint ID to check.
* @param _peer The peer to check.
* @return Whether the peer passed is considered 'trusted' by the OApp.
*
* @dev Enables OAppPreCrimeSimulator to check whether a potential Inbound Packet is from a trusted source.
*/
function isPeer(uint32 _eid, bytes32 _peer) public view virtual override returns (bool) {
return peers[_eid] == _peer;
}
/**
* @dev Internal function to remove dust from the given local decimal amount.
* @param _amountLD The amount in local decimals.
* @return amountLD The amount after removing dust.
*
* @dev Prevents the loss of dust when moving amounts between chains with different decimals.
* @dev eg. uint(123) with a conversion rate of 100 becomes uint(100).
*/
function _removeDust(uint256 _amountLD) internal view virtual returns (uint256 amountLD) {
return (_amountLD / decimalConversionRate) * decimalConversionRate;
}
/**
* @dev Internal function to convert an amount from shared decimals into local decimals.
* @param _amountSD The amount in shared decimals.
* @return amountLD The amount in local decimals.
*/
function _toLD(uint64 _amountSD) internal view virtual returns (uint256 amountLD) {
return _amountSD * decimalConversionRate;
}
/**
* @dev Internal function to convert an amount from local decimals into shared decimals.
* @param _amountLD The amount in local decimals.
* @return amountSD The amount in shared decimals.
*/
function _toSD(uint256 _amountLD) internal view virtual returns (uint64 amountSD) {
return uint64(_amountLD / decimalConversionRate);
}
/**
* @dev Internal function to mock the amount mutation from a OFT debit() operation.
* @param _amountLD The amount to send in local decimals.
* @param _minAmountLD The minimum amount to send in local decimals.
* @dev _dstEid The destination endpoint ID.
* @return amountSentLD The amount sent, in local decimals.
* @return amountReceivedLD The amount to be received on the remote chain, in local decimals.
*
* @dev This is where things like fees would be calculated and deducted from the amount to be received on the remote.
*/
function _debitView(
uint256 _amountLD,
uint256 _minAmountLD,
uint32 /*_dstEid*/
) internal view virtual returns (uint256 amountSentLD, uint256 amountReceivedLD) {
// @dev Remove the dust so nothing is lost on the conversion between chains with different decimals for the token.
amountSentLD = _removeDust(_amountLD);
// @dev The amount to send is the same as amount received in the default implementation.
amountReceivedLD = amountSentLD;
// @dev Check for slippage.
if (amountReceivedLD < _minAmountLD) {
revert SlippageExceeded(amountReceivedLD, _minAmountLD);
}
}
/**
* @dev Internal function to perform a debit operation.
* @param _from The address to debit.
* @param _amountLD The amount to send in local decimals.
* @param _minAmountLD The minimum amount to send in local decimals.
* @param _dstEid The destination endpoint ID.
* @return amountSentLD The amount sent in local decimals.
* @return amountReceivedLD The amount received in local decimals on the remote.
*
* @dev Defined here but are intended to be overriden depending on the OFT implementation.
* @dev Depending on OFT implementation the _amountLD could differ from the amountReceivedLD.
*/
function _debit(
address _from,
uint256 _amountLD,
uint256 _minAmountLD,
uint32 _dstEid
) internal virtual returns (uint256 amountSentLD, uint256 amountReceivedLD);
/**
* @dev Internal function to perform a credit operation.
* @param _to The address to credit.
* @param _amountLD The amount to credit in local decimals.
* @param _srcEid The source endpoint ID.
* @return amountReceivedLD The amount ACTUALLY received in local decimals.
*
* @dev Defined here but are intended to be overriden depending on the OFT implementation.
* @dev Depending on OFT implementation the _amountLD could differ from the amountReceivedLD.
*/
function _credit(
address _to,
uint256 _amountLD,
uint32 _srcEid
) internal virtual returns (uint256 amountReceivedLD);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)
pragma solidity ^0.8.20;
import {Context} from "../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.
*
* The initial owner is set to the address provided by the deployer. 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;
/**
* @dev The caller account is not authorized to perform an operation.
*/
error OwnableUnauthorizedAccount(address account);
/**
* @dev The owner is not a valid owner account. (eg. `address(0)`)
*/
error OwnableInvalidOwner(address owner);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the address provided by the deployer as the initial owner.
*/
constructor(address initialOwner) {
if (initialOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(initialOwner);
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
if (owner() != _msgSender()) {
revert OwnableUnauthorizedAccount(_msgSender());
}
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
if (newOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;
/**
* @dev Standard ERC-20 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.
*/
interface IERC20Errors {
/**
* @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param balance Current balance for the interacting account.
* @param needed Minimum amount required to perform a transfer.
*/
error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC20InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC20InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
* @param spender Address that may be allowed to operate on tokens without being their owner.
* @param allowance Amount of tokens a `spender` is allowed to operate with.
* @param needed Minimum amount required to perform a transfer.
*/
error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC20InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `spender` to be approved. Used in approvals.
* @param spender Address that may be allowed to operate on tokens without being their owner.
*/
error ERC20InvalidSpender(address spender);
}
/**
* @dev Standard ERC-721 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.
*/
interface IERC721Errors {
/**
* @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-20.
* Used in balance queries.
* @param owner Address of the current owner of a token.
*/
error ERC721InvalidOwner(address owner);
/**
* @dev Indicates a `tokenId` whose `owner` is the zero address.
* @param tokenId Identifier number of a token.
*/
error ERC721NonexistentToken(uint256 tokenId);
/**
* @dev Indicates an error related to the ownership over a particular token. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param tokenId Identifier number of a token.
* @param owner Address of the current owner of a token.
*/
error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC721InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC721InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `operator`’s approval. Used in transfers.
* @param operator Address that may be allowed to operate on tokens without being their owner.
* @param tokenId Identifier number of a token.
*/
error ERC721InsufficientApproval(address operator, uint256 tokenId);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC721InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `operator` to be approved. Used in approvals.
* @param operator Address that may be allowed to operate on tokens without being their owner.
*/
error ERC721InvalidOperator(address operator);
}
/**
* @dev Standard ERC-1155 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.
*/
interface IERC1155Errors {
/**
* @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param balance Current balance for the interacting account.
* @param needed Minimum amount required to perform a transfer.
* @param tokenId Identifier number of a token.
*/
error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC1155InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC1155InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `operator`’s approval. Used in transfers.
* @param operator Address that may be allowed to operate on tokens without being their owner.
* @param owner Address of the current owner of a token.
*/
error ERC1155MissingApprovalForAll(address operator, address owner);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC1155InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `operator` to be approved. Used in approvals.
* @param operator Address that may be allowed to operate on tokens without being their owner.
*/
error ERC1155InvalidOperator(address operator);
/**
* @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
* Used in batch transfers.
* @param idsLength Length of the array of token identifiers
* @param valuesLength Length of the array of token amounts
*/
error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363.sol)
pragma solidity ^0.8.20;
import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";
/**
* @title IERC1363
* @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
*
* Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
* after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
*/
interface IERC1363 is IERC20, IERC165 {
/*
* Note: the ERC-165 identifier for this interface is 0xb0202a11.
* 0xb0202a11 ===
* bytes4(keccak256('transferAndCall(address,uint256)')) ^
* bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
* bytes4(keccak256('approveAndCall(address,uint256)')) ^
* bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
*/
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @param data Additional data with no specified format, sent in call to `spender`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)
pragma solidity ^0.8.20;
import {IERC165} from "../utils/introspection/IERC165.sol";// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../token/ERC20/IERC20.sol";// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/ERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "./IERC20.sol";
import {IERC20Metadata} from "./extensions/IERC20Metadata.sol";
import {Context} from "../../utils/Context.sol";
import {IERC20Errors} from "../../interfaces/draft-IERC6093.sol";
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
*
* TIP: For a detailed writeup see our guide
* https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* The default value of {decimals} is 18. To change this, you should override
* this function so it returns a different value.
*
* We have followed general OpenZeppelin Contracts guidelines: functions revert
* instead returning `false` on failure. This behavior is nonetheless
* conventional and does not conflict with the expectations of ERC-20
* applications.
*/
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
mapping(address account => uint256) private _balances;
mapping(address account => mapping(address spender => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5.05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the default value returned by this function, unless
* it's overridden.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - the caller must have a balance of at least `value`.
*/
function transfer(address to, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_transfer(owner, to, value);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
* `transferFrom`. This is semantically equivalent to an infinite approval.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, value);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Skips emitting an {Approval} event indicating an allowance update. This is not
* required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve].
*
* NOTE: Does not update the allowance if the current allowance
* is the maximum `uint256`.
*
* Requirements:
*
* - `from` and `to` cannot be the zero address.
* - `from` must have a balance of at least `value`.
* - the caller must have allowance for ``from``'s tokens of at least
* `value`.
*/
function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, value);
_transfer(from, to, value);
return true;
}
/**
* @dev Moves a `value` amount of tokens from `from` to `to`.
*
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* NOTE: This function is not virtual, {_update} should be overridden instead.
*/
function _transfer(address from, address to, uint256 value) internal {
if (from == address(0)) {
revert ERC20InvalidSender(address(0));
}
if (to == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(from, to, value);
}
/**
* @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
* (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
* this function.
*
* Emits a {Transfer} event.
*/
function _update(address from, address to, uint256 value) internal virtual {
if (from == address(0)) {
// Overflow check required: The rest of the code assumes that totalSupply never overflows
_totalSupply += value;
} else {
uint256 fromBalance = _balances[from];
if (fromBalance < value) {
revert ERC20InsufficientBalance(from, fromBalance, value);
}
unchecked {
// Overflow not possible: value <= fromBalance <= totalSupply.
_balances[from] = fromBalance - value;
}
}
if (to == address(0)) {
unchecked {
// Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
_totalSupply -= value;
}
} else {
unchecked {
// Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
_balances[to] += value;
}
}
emit Transfer(from, to, value);
}
/**
* @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
* Relies on the `_update` mechanism
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* NOTE: This function is not virtual, {_update} should be overridden instead.
*/
function _mint(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(address(0), account, value);
}
/**
* @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
* Relies on the `_update` mechanism.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* NOTE: This function is not virtual, {_update} should be overridden instead
*/
function _burn(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidSender(address(0));
}
_update(account, address(0), value);
}
/**
* @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*
* Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
*/
function _approve(address owner, address spender, uint256 value) internal {
_approve(owner, spender, value, true);
}
/**
* @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
*
* By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
* `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
* `Approval` event during `transferFrom` operations.
*
* Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
* true using the following override:
*
* ```solidity
* function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
* super._approve(owner, spender, value, true);
* }
* ```
*
* Requirements are the same as {_approve}.
*/
function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
if (owner == address(0)) {
revert ERC20InvalidApprover(address(0));
}
if (spender == address(0)) {
revert ERC20InvalidSpender(address(0));
}
_allowances[owner][spender] = value;
if (emitEvent) {
emit Approval(owner, spender, value);
}
}
/**
* @dev Updates `owner` s allowance for `spender` based on spent `value`.
*
* Does not update the allowance value in case of infinite allowance.
* Revert if not enough allowance is available.
*
* Does not emit an {Approval} event.
*/
function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
if (currentAllowance < value) {
revert ERC20InsufficientAllowance(spender, currentAllowance, value);
}
unchecked {
_approve(owner, spender, currentAllowance - value, false);
}
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/IERC20Metadata.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
/**
* @dev Interface for the optional metadata functions from the ERC-20 standard.
*/
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-20 standard as defined in the ERC.
*/
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
/**
* @dev Returns the value of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the value of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 value) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the
* allowance mechanism. `value` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 value) external returns (bool);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";
import {Address} from "../../../utils/Address.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC-20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
/**
* @dev An operation with an ERC-20 token failed.
*/
error SafeERC20FailedOperation(address token);
/**
* @dev Indicates a failed `decreaseAllowance` request.
*/
error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);
/**
* @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
}
/**
* @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
* calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
*/
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
}
/**
* @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*
* IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
* smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
* this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
* that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
*/
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
forceApprove(token, spender, oldAllowance + value);
}
/**
* @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
* value, non-reverting calls are assumed to be successful.
*
* IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
* smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
* this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
* that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
*/
function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
unchecked {
uint256 currentAllowance = token.allowance(address(this), spender);
if (currentAllowance < requestedDecrease) {
revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
}
forceApprove(token, spender, currentAllowance - requestedDecrease);
}
}
/**
* @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
* to be set to zero before setting it to a non-zero value, such as USDT.
*
* NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
* only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
* set here.
*/
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
_callOptionalReturn(token, approvalCall);
}
}
/**
* @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
safeTransfer(token, to, value);
} else if (!token.transferAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
* has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferFromAndCallRelaxed(
IERC1363 token,
address from,
address to,
uint256 value,
bytes memory data
) internal {
if (to.code.length == 0) {
safeTransferFrom(token, from, to, value);
} else if (!token.transferFromAndCall(from, to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
* Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
* once without retrying, and relies on the returned value to be true.
*
* Reverts if the returned value is other than `true`.
*/
function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
forceApprove(token, to, value);
} else if (!token.approveAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturnBool} that reverts if call fails to meet the requirements.
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
// bubble errors
if iszero(success) {
let ptr := mload(0x40)
returndatacopy(ptr, 0, returndatasize())
revert(ptr, returndatasize())
}
returnSize := returndatasize()
returnValue := mload(0)
}
if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.
*/
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
bool success;
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
returnSize := returndatasize()
returnValue := mload(0)
}
return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/Address.sol)
pragma solidity ^0.8.20;
import {Errors} from "./Errors.sol";
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev There's no code at `target` (it is not a contract).
*/
error AddressEmptyCode(address target);
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
if (address(this).balance < amount) {
revert Errors.InsufficientBalance(address(this).balance, amount);
}
(bool success, ) = recipient.call{value: amount}("");
if (!success) {
revert Errors.FailedCall();
}
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason or custom error, it is bubbled
* up by this function (like regular Solidity function calls). However, if
* the call reverted with no returned reason, this function reverts with a
* {Errors.FailedCall} error.
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
if (address(this).balance < value) {
revert Errors.InsufficientBalance(address(this).balance, value);
}
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
* was not a contract or bubbling up the revert reason (falling back to {Errors.FailedCall}) in case
* of an unsuccessful call.
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata
) internal view returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
// only check if target is a contract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
if (returndata.length == 0 && target.code.length == 0) {
revert AddressEmptyCode(target);
}
return returndata;
}
}
/**
* @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
* revert reason or with a default {Errors.FailedCall} error.
*/
function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
return returndata;
}
}
/**
* @dev Reverts with returndata if present. Otherwise reverts with {Errors.FailedCall}.
*/
function _revert(bytes memory returndata) private pure {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly ("memory-safe") {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert Errors.FailedCall();
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)
pragma solidity ^0.8.20;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/Errors.sol)
pragma solidity ^0.8.20;
/**
* @dev Collection of common custom errors used in multiple contracts
*
* IMPORTANT: Backwards compatibility is not guaranteed in future versions of the library.
* It is recommended to avoid relying on the error API for critical functionality.
*
* _Available since v5.1._
*/
library Errors {
/**
* @dev The ETH balance of the account is not enough to perform the operation.
*/
error InsufficientBalance(uint256 balance, uint256 needed);
/**
* @dev A call to an address target failed. The target may have reverted.
*/
error FailedCall();
/**
* @dev The deployment failed.
*/
error FailedDeployment();
/**
* @dev A necessary precompile is missing.
*/
error MissingPrecompile(address);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/IERC165.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[ERC].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.0;
interface IBlacklist {
function isBlacklisted(address account) external view returns (bool);
}{
"optimizer": {
"enabled": true,
"runs": 200
},
"evmVersion": "paris",
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"metadata": {
"useLiteralContent": true
},
"libraries": {}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"inputs":[{"internalType":"address","name":"_lzEndpoint","type":"address"},{"internalType":"address","name":"_delegate","type":"address"},{"internalType":"address","name":"_initialOwner","type":"address"},{"internalType":"address","name":"_blackList","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"BlackList","type":"error"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"allowance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"ERC20InsufficientAllowance","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"ERC20InsufficientBalance","type":"error"},{"inputs":[{"internalType":"address","name":"approver","type":"address"}],"name":"ERC20InvalidApprover","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"}],"name":"ERC20InvalidReceiver","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"ERC20InvalidSender","type":"error"},{"inputs":[{"internalType":"address","name":"spender","type":"address"}],"name":"ERC20InvalidSpender","type":"error"},{"inputs":[],"name":"InvalidDelegate","type":"error"},{"inputs":[],"name":"InvalidEndpointCall","type":"error"},{"inputs":[],"name":"InvalidLocalDecimals","type":"error"},{"inputs":[{"internalType":"bytes","name":"options","type":"bytes"}],"name":"InvalidOptions","type":"error"},{"inputs":[],"name":"LzTokenUnavailable","type":"error"},{"inputs":[{"internalType":"uint32","name":"eid","type":"uint32"}],"name":"NoPeer","type":"error"},{"inputs":[{"internalType":"uint256","name":"msgValue","type":"uint256"}],"name":"NotEnoughNative","type":"error"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"OnlyEndpoint","type":"error"},{"inputs":[{"internalType":"uint32","name":"eid","type":"uint32"},{"internalType":"bytes32","name":"sender","type":"bytes32"}],"name":"OnlyPeer","type":"error"},{"inputs":[],"name":"OnlySelf","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"inputs":[{"internalType":"bytes","name":"result","type":"bytes"}],"name":"SimulationResult","type":"error"},{"inputs":[{"internalType":"uint256","name":"amountLD","type":"uint256"},{"internalType":"uint256","name":"minAmountLD","type":"uint256"}],"name":"SlippageExceeded","type":"error"},{"inputs":[],"name":"ZeroAddress","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"components":[{"internalType":"uint32","name":"eid","type":"uint32"},{"internalType":"uint16","name":"msgType","type":"uint16"},{"internalType":"bytes","name":"options","type":"bytes"}],"indexed":false,"internalType":"struct EnforcedOptionParam[]","name":"_enforcedOptions","type":"tuple[]"}],"name":"EnforcedOptionSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"inspector","type":"address"}],"name":"MsgInspectorSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"guid","type":"bytes32"},{"indexed":false,"internalType":"uint32","name":"srcEid","type":"uint32"},{"indexed":true,"internalType":"address","name":"toAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountReceivedLD","type":"uint256"}],"name":"OFTReceived","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"guid","type":"bytes32"},{"indexed":false,"internalType":"uint32","name":"dstEid","type":"uint32"},{"indexed":true,"internalType":"address","name":"fromAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountSentLD","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amountReceivedLD","type":"uint256"}],"name":"OFTSent","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint32","name":"eid","type":"uint32"},{"indexed":false,"internalType":"bytes32","name":"peer","type":"bytes32"}],"name":"PeerSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"preCrimeAddress","type":"address"}],"name":"PreCrimeSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"SEND","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SEND_AND_CALL","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"srcEid","type":"uint32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"uint64","name":"nonce","type":"uint64"}],"internalType":"struct Origin","name":"origin","type":"tuple"}],"name":"allowInitializePath","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"approvalRequired","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"blackList","outputs":[{"internalType":"contract IBlacklist","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"_eid","type":"uint32"},{"internalType":"uint16","name":"_msgType","type":"uint16"},{"internalType":"bytes","name":"_extraOptions","type":"bytes"}],"name":"combineOptions","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimalConversionRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"endpoint","outputs":[{"internalType":"contract ILayerZeroEndpointV2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"eid","type":"uint32"},{"internalType":"uint16","name":"msgType","type":"uint16"}],"name":"enforcedOptions","outputs":[{"internalType":"bytes","name":"enforcedOption","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"srcEid","type":"uint32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"uint64","name":"nonce","type":"uint64"}],"internalType":"struct Origin","name":"","type":"tuple"},{"internalType":"bytes","name":"","type":"bytes"},{"internalType":"address","name":"_sender","type":"address"}],"name":"isComposeMsgSender","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"_eid","type":"uint32"},{"internalType":"bytes32","name":"_peer","type":"bytes32"}],"name":"isPeer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"srcEid","type":"uint32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"uint64","name":"nonce","type":"uint64"}],"internalType":"struct Origin","name":"_origin","type":"tuple"},{"internalType":"bytes32","name":"_guid","type":"bytes32"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"address","name":"_executor","type":"address"},{"internalType":"bytes","name":"_extraData","type":"bytes"}],"name":"lzReceive","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"components":[{"internalType":"uint32","name":"srcEid","type":"uint32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"uint64","name":"nonce","type":"uint64"}],"internalType":"struct Origin","name":"origin","type":"tuple"},{"internalType":"uint32","name":"dstEid","type":"uint32"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"bytes32","name":"guid","type":"bytes32"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"address","name":"executor","type":"address"},{"internalType":"bytes","name":"message","type":"bytes"},{"internalType":"bytes","name":"extraData","type":"bytes"}],"internalType":"struct InboundPacket[]","name":"_packets","type":"tuple[]"}],"name":"lzReceiveAndRevert","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"srcEid","type":"uint32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"uint64","name":"nonce","type":"uint64"}],"internalType":"struct Origin","name":"_origin","type":"tuple"},{"internalType":"bytes32","name":"_guid","type":"bytes32"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"address","name":"_executor","type":"address"},{"internalType":"bytes","name":"_extraData","type":"bytes"}],"name":"lzReceiveSimulate","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"msgInspector","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"","type":"uint32"},{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"nextNonce","outputs":[{"internalType":"uint64","name":"nonce","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"oApp","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"oAppVersion","outputs":[{"internalType":"uint64","name":"senderVersion","type":"uint64"},{"internalType":"uint64","name":"receiverVersion","type":"uint64"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"oftVersion","outputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"},{"internalType":"uint64","name":"version","type":"uint64"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"eid","type":"uint32"}],"name":"peers","outputs":[{"internalType":"bytes32","name":"peer","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"preCrime","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"dstEid","type":"uint32"},{"internalType":"bytes32","name":"to","type":"bytes32"},{"internalType":"uint256","name":"amountLD","type":"uint256"},{"internalType":"uint256","name":"minAmountLD","type":"uint256"},{"internalType":"bytes","name":"extraOptions","type":"bytes"},{"internalType":"bytes","name":"composeMsg","type":"bytes"},{"internalType":"bytes","name":"oftCmd","type":"bytes"}],"internalType":"struct SendParam","name":"_sendParam","type":"tuple"}],"name":"quoteOFT","outputs":[{"components":[{"internalType":"uint256","name":"minAmountLD","type":"uint256"},{"internalType":"uint256","name":"maxAmountLD","type":"uint256"}],"internalType":"struct OFTLimit","name":"oftLimit","type":"tuple"},{"components":[{"internalType":"int256","name":"feeAmountLD","type":"int256"},{"internalType":"string","name":"description","type":"string"}],"internalType":"struct OFTFeeDetail[]","name":"oftFeeDetails","type":"tuple[]"},{"components":[{"internalType":"uint256","name":"amountSentLD","type":"uint256"},{"internalType":"uint256","name":"amountReceivedLD","type":"uint256"}],"internalType":"struct OFTReceipt","name":"oftReceipt","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"dstEid","type":"uint32"},{"internalType":"bytes32","name":"to","type":"bytes32"},{"internalType":"uint256","name":"amountLD","type":"uint256"},{"internalType":"uint256","name":"minAmountLD","type":"uint256"},{"internalType":"bytes","name":"extraOptions","type":"bytes"},{"internalType":"bytes","name":"composeMsg","type":"bytes"},{"internalType":"bytes","name":"oftCmd","type":"bytes"}],"internalType":"struct SendParam","name":"_sendParam","type":"tuple"},{"internalType":"bool","name":"_payInLzToken","type":"bool"}],"name":"quoteSend","outputs":[{"components":[{"internalType":"uint256","name":"nativeFee","type":"uint256"},{"internalType":"uint256","name":"lzTokenFee","type":"uint256"}],"internalType":"struct MessagingFee","name":"msgFee","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"dstEid","type":"uint32"},{"internalType":"bytes32","name":"to","type":"bytes32"},{"internalType":"uint256","name":"amountLD","type":"uint256"},{"internalType":"uint256","name":"minAmountLD","type":"uint256"},{"internalType":"bytes","name":"extraOptions","type":"bytes"},{"internalType":"bytes","name":"composeMsg","type":"bytes"},{"internalType":"bytes","name":"oftCmd","type":"bytes"}],"internalType":"struct SendParam","name":"_sendParam","type":"tuple"},{"components":[{"internalType":"uint256","name":"nativeFee","type":"uint256"},{"internalType":"uint256","name":"lzTokenFee","type":"uint256"}],"internalType":"struct MessagingFee","name":"_fee","type":"tuple"},{"internalType":"address","name":"_refundAddress","type":"address"}],"name":"send","outputs":[{"components":[{"internalType":"bytes32","name":"guid","type":"bytes32"},{"internalType":"uint64","name":"nonce","type":"uint64"},{"components":[{"internalType":"uint256","name":"nativeFee","type":"uint256"},{"internalType":"uint256","name":"lzTokenFee","type":"uint256"}],"internalType":"struct MessagingFee","name":"fee","type":"tuple"}],"internalType":"struct MessagingReceipt","name":"msgReceipt","type":"tuple"},{"components":[{"internalType":"uint256","name":"amountSentLD","type":"uint256"},{"internalType":"uint256","name":"amountReceivedLD","type":"uint256"}],"internalType":"struct OFTReceipt","name":"oftReceipt","type":"tuple"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_delegate","type":"address"}],"name":"setDelegate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"eid","type":"uint32"},{"internalType":"uint16","name":"msgType","type":"uint16"},{"internalType":"bytes","name":"options","type":"bytes"}],"internalType":"struct EnforcedOptionParam[]","name":"_enforcedOptions","type":"tuple[]"}],"name":"setEnforcedOptions","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_msgInspector","type":"address"}],"name":"setMsgInspector","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"_eid","type":"uint32"},{"internalType":"bytes32","name":"_peer","type":"bytes32"}],"name":"setPeer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_preCrime","type":"address"}],"name":"setPreCrime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sharedDecimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]Contract Creation Code
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
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000001a44076050125825900e736c501f859c50fe728c00000000000000000000000083f6c2920b56ae46ccdffacb4761032d099286df000000000000000000000000681a12a2e496fbe469092d7ad029ff3b8cefaafb000000000000000000000000373d0c84187b255956039f5da06cf4cc33c1602d
-----Decoded View---------------
Arg [0] : _lzEndpoint (address): 0x1a44076050125825900e736c501f859c50fE728c
Arg [1] : _delegate (address): 0x83F6C2920b56Ae46CCDFfaCB4761032D099286DF
Arg [2] : _initialOwner (address): 0x681a12a2e496FBe469092D7aD029fF3B8cEFaaFb
Arg [3] : _blackList (address): 0x373D0C84187B255956039F5da06Cf4Cc33c1602D
-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000001a44076050125825900e736c501f859c50fe728c
Arg [1] : 00000000000000000000000083f6c2920b56ae46ccdffacb4761032d099286df
Arg [2] : 000000000000000000000000681a12a2e496fbe469092d7ad029ff3b8cefaafb
Arg [3] : 000000000000000000000000373d0c84187b255956039f5da06cf4cc33c1602d
Loading...
Loading
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.