编译器
0.8.18+commit.87f61d96
文件 1 的 9:Context.sol
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
文件 2 的 9:GasOracle.sol
pragma solidity ^0.8.18;
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {IGasOracle} from "./interfaces/IGasOracle.sol";
contract GasOracle is Ownable, IGasOracle {
struct ChainData {
uint128 price;
uint128 gasPrice;
}
uint private constant ORACLE_PRECISION = 18;
uint private constant ORACLE_SCALING_FACTOR = 10 ** ORACLE_PRECISION;
uint private immutable fromOracleToChainScalingFactor;
mapping(uint chainId => ChainData) public override chainData;
uint public immutable override chainId;
constructor(uint chainId_, uint chainPrecision) {
chainId = chainId_;
fromOracleToChainScalingFactor = 10 ** (ORACLE_PRECISION - chainPrecision);
}
function setChainData(uint chainId_, uint128 price_, uint128 gasPrice) external override onlyOwner {
chainData[chainId_].price = price_;
chainData[chainId_].gasPrice = gasPrice;
}
function setPrice(uint chainId_, uint128 price_) external override onlyOwner {
chainData[chainId_].price = price_;
}
function setGasPrice(uint chainId_, uint128 gasPrice) external override onlyOwner {
chainData[chainId_].gasPrice = gasPrice;
}
function getTransactionGasCostInNativeToken(
uint otherChainId,
uint gasAmount
) external view override returns (uint) {
return
(chainData[otherChainId].gasPrice * gasAmount * chainData[otherChainId].price) /
chainData[chainId].price /
fromOracleToChainScalingFactor;
}
function getTransactionGasCostInUSD(uint otherChainId, uint gasAmount) external view override returns (uint) {
return (chainData[otherChainId].gasPrice * gasAmount * chainData[otherChainId].price) / ORACLE_SCALING_FACTOR;
}
function crossRate(uint otherChainId) external view override returns (uint) {
return (chainData[otherChainId].price * ORACLE_SCALING_FACTOR) / chainData[chainId].price;
}
function price(uint chainId_) external view override returns (uint) {
return chainData[chainId_].price;
}
fallback() external payable {
revert("Unsupported");
}
receive() external payable {
revert("Unsupported");
}
}
文件 3 的 9:GasUsage.sol
pragma solidity ^0.8.18;
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {IGasOracle} from "./interfaces/IGasOracle.sol";
abstract contract GasUsage is Ownable {
IGasOracle internal gasOracle;
mapping(uint chainId => uint amount) public gasUsage;
constructor(IGasOracle gasOracle_) {
gasOracle = gasOracle_;
}
function setGasUsage(uint chainId, uint gasAmount) external onlyOwner {
gasUsage[chainId] = gasAmount;
}
function setGasOracle(IGasOracle gasOracle_) external onlyOwner {
gasOracle = gasOracle_;
}
function getTransactionCost(uint chainId) external view returns (uint) {
unchecked {
return gasOracle.getTransactionGasCostInNativeToken(chainId, gasUsage[chainId]);
}
}
}
文件 4 的 9:HashUtils.sol
pragma solidity ^0.8.18;
library HashUtils {
function replaceChainBytes(
bytes32 data,
uint8 sourceChainId,
uint8 destinationChainId
) internal pure returns (bytes32 result) {
assembly {
mstore(0x00, data)
mstore8(0x00, sourceChainId)
mstore8(0x01, destinationChainId)
result := mload(0x0)
}
}
function hashWithSender(bytes32 message, bytes32 sender) internal pure returns (bytes32 result) {
assembly {
mstore(0x00, message)
mstore(0x20, sender)
result := or(
and(
message,
0xffff000000000000000000000000000000000000000000000000000000000000
),
and(
keccak256(0x00, 0x40),
0x0000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
)
)
}
}
function hashWithSenderAddress(bytes32 message, address sender) internal pure returns (bytes32 result) {
assembly {
mstore(0x00, message)
mstore(0x20, sender)
result := or(
and(
message,
0xffff000000000000000000000000000000000000000000000000000000000000
),
and(
keccak256(0x00, 0x40),
0x0000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
)
)
}
}
function hashed(bytes32 message) internal pure returns (bytes32 result) {
assembly {
mstore(0x00, message)
result := keccak256(0x00, 0x20)
}
}
}
文件 5 的 9:IGasOracle.sol
pragma solidity ^0.8.18;
interface IGasOracle {
function chainData(uint chainId) external view returns (uint128 price, uint128 gasPrice);
function chainId() external view returns (uint);
function crossRate(uint otherChainId) external view returns (uint);
function getTransactionGasCostInNativeToken(uint otherChainId, uint256 gasAmount) external view returns (uint);
function getTransactionGasCostInUSD(uint otherChainId, uint256 gasAmount) external view returns (uint);
function price(uint chainId) external view returns (uint);
function setChainData(uint chainId, uint128 price, uint128 gasPrice) external;
function setGasPrice(uint chainId, uint128 gasPrice) external;
function setPrice(uint chainId, uint128 price) external;
}
文件 6 的 9:IMessenger.sol
pragma solidity ^0.8.18;
interface IMessenger {
function sentMessagesBlock(bytes32 message) external view returns (uint);
function receivedMessages(bytes32 message) external view returns (uint);
function sendMessage(bytes32 message) external payable;
function receiveMessage(bytes32 message, uint v1v2, bytes32 r1, bytes32 s1, bytes32 r2, bytes32 s2) external;
}
文件 7 的 9:IWormhole.sol
pragma solidity ^0.8.18;
interface Structs {
struct Provider {
uint16 chainId;
uint16 governanceChainId;
bytes32 governanceContract;
}
struct GuardianSet {
address[] keys;
uint32 expirationTime;
}
struct Signature {
bytes32 r;
bytes32 s;
uint8 v;
uint8 guardianIndex;
}
struct VM {
uint8 version;
uint32 timestamp;
uint32 nonce;
uint16 emitterChainId;
bytes32 emitterAddress;
uint64 sequence;
uint8 consistencyLevel;
bytes payload;
uint32 guardianSetIndex;
Signature[] signatures;
bytes32 hash;
}
}
interface IWormhole is Structs {
event LogMessagePublished(
address indexed sender,
uint64 sequence,
uint32 nonce,
bytes payload,
uint8 consistencyLevel
);
function publishMessage(
uint32 nonce,
bytes memory payload,
uint8 consistencyLevel
) external payable returns (uint64 sequence);
function parseAndVerifyVM(
bytes calldata encodedVM
) external view returns (Structs.VM memory vm, bool valid, string memory reason);
function verifyVM(Structs.VM memory vm) external view returns (bool valid, string memory reason);
function verifySignatures(
bytes32 hash,
Structs.Signature[] memory signatures,
Structs.GuardianSet memory guardianSet
) external pure returns (bool valid, string memory reason);
function parseVM(bytes memory encodedVM) external pure returns (Structs.VM memory vm);
function getGuardianSet(uint32 index) external view returns (Structs.GuardianSet memory);
function getCurrentGuardianSetIndex() external view returns (uint32);
function getGuardianSetExpiry() external view returns (uint32);
function governanceActionIsConsumed(bytes32 hash) external view returns (bool);
function isInitialized(address impl) external view returns (bool);
function chainId() external view returns (uint16);
function governanceChainId() external view returns (uint16);
function governanceContract() external view returns (bytes32);
function messageFee() external view returns (uint);
}
文件 8 的 9:Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
文件 9 的 9:WormholeMessenger.sol
pragma solidity ^0.8.18;
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {IGasOracle} from "./interfaces/IGasOracle.sol";
import {IMessenger} from "./interfaces/IMessenger.sol";
import {IWormhole} from "./interfaces/IWormhole.sol";
import {GasUsage} from "./GasUsage.sol";
import {GasOracle} from "./GasOracle.sol";
import {HashUtils} from "./libraries/HashUtils.sol";
contract WormholeMessenger is Ownable, GasUsage {
using HashUtils for bytes32;
IWormhole private immutable wormhole;
uint public immutable chainId;
bytes32 public otherChainIds;
uint32 private nonce;
uint8 private commitmentLevel;
mapping(uint16 chainId => bytes32 wormholeMessengerAddress) private otherWormholeMessengers;
mapping(bytes32 messageHash => uint isReceived) public receivedMessages;
mapping(bytes32 messageHash => uint isSent) public sentMessages;
event MessageSent(bytes32 indexed message, uint64 sequence);
event MessageReceived(bytes32 indexed message, uint64 sequence);
event Received(address, uint);
constructor(
uint chainId_,
bytes32 otherChainIds_,
IWormhole wormhole_,
uint8 commitmentLevel_,
IGasOracle gasOracle_
) GasUsage(gasOracle_) {
chainId = chainId_;
otherChainIds = otherChainIds_;
wormhole = wormhole_;
commitmentLevel = commitmentLevel_;
}
function sendMessage(bytes32 message) external payable {
require(uint8(message[0]) == chainId, "WormholeMessenger: wrong chainId");
require(otherChainIds[uint8(message[1])] != 0, "Messenger: wrong destination");
bytes32 messageWithSender = message.hashWithSenderAddress(msg.sender);
uint32 nonce_ = nonce;
uint64 sequence = wormhole.publishMessage(nonce_, abi.encodePacked(messageWithSender), commitmentLevel);
unchecked {
nonce = nonce_ + 1;
}
require(sentMessages[messageWithSender] == 0, "WormholeMessenger: has message");
sentMessages[messageWithSender] = 1;
emit MessageSent(messageWithSender, sequence);
}
function receiveMessage(bytes memory encodedMsg) external {
(IWormhole.VM memory vm, bool valid, string memory reason) = wormhole.parseAndVerifyVM(encodedMsg);
require(valid, reason);
require(vm.payload.length == 32, "WormholeMessenger: wrong length");
bytes32 messageWithSender = bytes32(vm.payload);
require(uint8(messageWithSender[1]) == chainId, "WormholeMessenger: wrong chainId");
require(otherWormholeMessengers[vm.emitterChainId] == vm.emitterAddress, "WormholeMessenger: wrong emitter");
receivedMessages[messageWithSender] = 1;
emit MessageReceived(messageWithSender, vm.sequence);
}
function setCommitmentLevel(uint8 value) external onlyOwner {
commitmentLevel = value;
}
function setOtherChainIds(bytes32 value) external onlyOwner {
otherChainIds = value;
}
function registerWormholeMessenger(uint16 chainId_, bytes32 address_) external onlyOwner {
otherWormholeMessengers[chainId_] = address_;
}
function withdrawGasTokens(uint amount) external onlyOwner {
payable(msg.sender).transfer(amount);
}
fallback() external payable {
revert("Unsupported");
}
receive() external payable {
emit Received(msg.sender, msg.value);
}
}
{
"compilationTarget": {
"contracts/WormholeMessenger.sol": "WormholeMessenger"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 1000
},
"remappings": []
}
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