编译器
0.8.22+commit.4fc1097e
文件 1 的 47：Address.sol
pragma solidity ^0.8.1;
library Address {
function isContract(address account) internal view returns (bool) {
return account.code.length > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
文件 2 的 47：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;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}
文件 3 的 47：Counters.sol
pragma solidity ^0.8.0;
library Counters {
struct Counter {
uint256 _value;
}
function current(Counter storage counter) internal view returns (uint256) {
return counter._value;
}
function increment(Counter storage counter) internal {
unchecked {
counter._value += 1;
}
}
function decrement(Counter storage counter) internal {
uint256 value = counter._value;
require(value > 0, "Counter: decrement overflow");
unchecked {
counter._value = value - 1;
}
}
function reset(Counter storage counter) internal {
counter._value = 0;
}
}
文件 4 的 47：ECDSA.sol
pragma solidity ^0.8.0;
import "../Strings.sol";
library ECDSA {
enum RecoverError {
NoError,
InvalidSignature,
InvalidSignatureLength,
InvalidSignatureS,
InvalidSignatureV
}
function _throwError(RecoverError error) private pure {
if (error == RecoverError.NoError) {
return;
} else if (error == RecoverError.InvalidSignature) {
revert("ECDSA: invalid signature");
} else if (error == RecoverError.InvalidSignatureLength) {
revert("ECDSA: invalid signature length");
} else if (error == RecoverError.InvalidSignatureS) {
revert("ECDSA: invalid signature 's' value");
}
}
function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
if (signature.length == 65) {
bytes32 r;
bytes32 s;
uint8 v;
assembly {
r := mload(add(signature, 0x20))
s := mload(add(signature, 0x40))
v := byte(0, mload(add(signature, 0x60)))
}
return tryRecover(hash, v, r, s);
} else {
return (address(0), RecoverError.InvalidSignatureLength);
}
}
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, signature);
_throwError(error);
return recovered;
}
function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError) {
bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
uint8 v = uint8((uint256(vs) >> 255) + 27);
return tryRecover(hash, v, r, s);
}
function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, r, vs);
_throwError(error);
return recovered;
}
function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address, RecoverError) {
if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
return (address(0), RecoverError.InvalidSignatureS);
}
address signer = ecrecover(hash, v, r, s);
if (signer == address(0)) {
return (address(0), RecoverError.InvalidSignature);
}
return (signer, RecoverError.NoError);
}
function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, v, r, s);
_throwError(error);
return recovered;
}
function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 message) {
assembly {
mstore(0x00, "\x19Ethereum Signed Message:\n32")
mstore(0x1c, hash)
message := keccak256(0x00, 0x3c)
}
}
function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
}
function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 data) {
assembly {
let ptr := mload(0x40)
mstore(ptr, "\x19\x01")
mstore(add(ptr, 0x02), domainSeparator)
mstore(add(ptr, 0x22), structHash)
data := keccak256(ptr, 0x42)
}
}
function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19\x00", validator, data));
}
}
文件 5 的 47：EIP712.sol
pragma solidity ^0.8.8;
import "./ECDSA.sol";
import "../ShortStrings.sol";
import "../../interfaces/IERC5267.sol";
abstract contract EIP712 is IERC5267 {
using ShortStrings for *;
bytes32 private constant _TYPE_HASH =
keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");
bytes32 private immutable _cachedDomainSeparator;
uint256 private immutable _cachedChainId;
address private immutable _cachedThis;
bytes32 private immutable _hashedName;
bytes32 private immutable _hashedVersion;
ShortString private immutable _name;
ShortString private immutable _version;
string private _nameFallback;
string private _versionFallback;
constructor(string memory name, string memory version) {
_name = name.toShortStringWithFallback(_nameFallback);
_version = version.toShortStringWithFallback(_versionFallback);
_hashedName = keccak256(bytes(name));
_hashedVersion = keccak256(bytes(version));
_cachedChainId = block.chainid;
_cachedDomainSeparator = _buildDomainSeparator();
_cachedThis = address(this);
}
function _domainSeparatorV4() internal view returns (bytes32) {
if (address(this) == _cachedThis && block.chainid == _cachedChainId) {
return _cachedDomainSeparator;
} else {
return _buildDomainSeparator();
}
}
function _buildDomainSeparator() private view returns (bytes32) {
return keccak256(abi.encode(_TYPE_HASH, _hashedName, _hashedVersion, block.chainid, address(this)));
}
function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {
return ECDSA.toTypedDataHash(_domainSeparatorV4(), structHash);
}
function eip712Domain()
public
view
virtual
override
returns (
bytes1 fields,
string memory name,
string memory version,
uint256 chainId,
address verifyingContract,
bytes32 salt,
uint256[] memory extensions
)
{
return (
hex"0f",
_name.toStringWithFallback(_nameFallback),
_version.toStringWithFallback(_versionFallback),
block.chainid,
address(this),
bytes32(0),
new uint256[](0)
);
}
}
文件 6 的 47：ERC20.sol
pragma solidity ^0.8.0;
import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(address from, address to, uint256 amount) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
unchecked {
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}
文件 7 的 47：ERC20Permit.sol
pragma solidity ^0.8.0;
import "./IERC20Permit.sol";
import "../ERC20.sol";
import "../../../utils/cryptography/ECDSA.sol";
import "../../../utils/cryptography/EIP712.sol";
import "../../../utils/Counters.sol";
abstract contract ERC20Permit is ERC20, IERC20Permit, EIP712 {
using Counters for Counters.Counter;
mapping(address => Counters.Counter) private _nonces;
bytes32 private constant _PERMIT_TYPEHASH =
keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
bytes32 private _PERMIT_TYPEHASH_DEPRECATED_SLOT;
constructor(string memory name) EIP712(name, "1") {}
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) public virtual override {
require(block.timestamp <= deadline, "ERC20Permit: expired deadline");
bytes32 structHash = keccak256(abi.encode(_PERMIT_TYPEHASH, owner, spender, value, _useNonce(owner), deadline));
bytes32 hash = _hashTypedDataV4(structHash);
address signer = ECDSA.recover(hash, v, r, s);
require(signer == owner, "ERC20Permit: invalid signature");
_approve(owner, spender, value);
}
function nonces(address owner) public view virtual override returns (uint256) {
return _nonces[owner].current();
}
function DOMAIN_SEPARATOR() external view override returns (bytes32) {
return _domainSeparatorV4();
}
function _useNonce(address owner) internal virtual returns (uint256 current) {
Counters.Counter storage nonce = _nonces[owner];
current = nonce.current();
nonce.increment();
}
}
文件 8 的 47：ICreditMessaging.sol
pragma solidity ^0.8.0;
import { MessagingFee } from "@layerzerolabs/lz-evm-oapp-v2/contracts/oft/interfaces/IOFT.sol";
struct TargetCreditBatch {
uint16 assetId;
TargetCredit[] credits;
}
struct TargetCredit {
uint32 srcEid;
uint64 amount;
uint64 minAmount;
}
interface ICreditMessaging {
function sendCredits(uint32 _dstEid, TargetCreditBatch[] calldata _creditBatches) external payable;
function quoteSendCredits(
uint32 _dstEid,
TargetCreditBatch[] calldata _creditBatches
) external view returns (MessagingFee memory fee);
}
文件 9 的 47：ICreditMessagingHandler.sol
pragma solidity ^0.8.0;
import { TargetCredit } from "./ICreditMessaging.sol";
struct Credit {
uint32 srcEid;
uint64 amount;
}
interface ICreditMessagingHandler {
function sendCredits(uint32 _dstEid, TargetCredit[] calldata _credits) external returns (Credit[] memory);
function receiveCredits(uint32 _srcEid, Credit[] calldata _credits) external;
}
文件 10 的 47：IERC20.sol
pragma solidity ^0.8.0;
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address from, address to, uint256 amount) external returns (bool);
}
文件 11 的 47：IERC20Metadata.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
文件 12 的 47：IERC20Minter.sol
pragma solidity ^0.8.0;
interface IERC20Minter {
function mint(address _to, uint256 _amount) external;
function burnFrom(address _from, uint256 _amount) external;
}
文件 13 的 47：IERC20Permit.sol
pragma solidity ^0.8.0;
interface IERC20Permit {
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
function nonces(address owner) external view returns (uint256);
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
文件 14 的 47：IERC5267.sol
pragma solidity ^0.8.0;
interface IERC5267 {
event EIP712DomainChanged();
function eip712Domain()
external
view
returns (
bytes1 fields,
string memory name,
string memory version,
uint256 chainId,
address verifyingContract,
bytes32 salt,
uint256[] memory extensions
);
}
文件 15 的 47：ILayerZeroEndpointV2.sol
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;
}
enum ExecutionState {
NotExecutable,
Executable,
Executed
}
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);
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,
address _receiveLib,
bytes32 _payloadHash
) external view returns (bool);
function executable(Origin calldata _origin, address _receiver) external view returns (ExecutionState);
function lzReceive(
Origin calldata _origin,
address _receiver,
bytes32 _guid,
bytes calldata _message,
bytes calldata _extraData
) external payable;
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;
}
文件 16 的 47：ILayerZeroReceiver.sol
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;
}
文件 17 的 47：IMessageLibManager.sol
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 oldLib, 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 oldLib, 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 _timeout) 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 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 _gracePeriod) 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);
}
文件 18 的 47：IMessagingChannel.sol
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);
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);
}
文件 19 的 47：IMessagingComposer.sol
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;
}
文件 20 的 47：IMessagingContext.sol
pragma solidity >=0.8.0;
interface IMessagingContext {
function isSendingMessage() external view returns (bool);
function getSendContext() external view returns (uint32 dstEid, address sender);
}
文件 21 的 47：IOAppCore.sol
pragma solidity ^0.8.20;
import { ILayerZeroEndpointV2 } from "@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroEndpointV2.sol";
interface IOAppCore {
error OnlyPeer(uint32 eid, bytes32 sender);
error NoPeer(uint32 eid);
error InvalidEndpointCall();
error InvalidDelegate();
event PeerSet(uint32 eid, bytes32 peer);
function oAppVersion() external view returns (uint64 senderVersion, uint64 receiverVersion);
function endpoint() external view returns (ILayerZeroEndpointV2 iEndpoint);
function peers(uint32 _eid) external view returns (bytes32 peer);
function setPeer(uint32 _eid, bytes32 _peer) external;
function setDelegate(address _delegate) external;
}
文件 22 的 47：IOAppReceiver.sol
pragma solidity ^0.8.20;
import { ILayerZeroReceiver, Origin } from "@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroReceiver.sol";
interface IOAppReceiver is ILayerZeroReceiver {
function isComposeMsgSender(
Origin calldata _origin,
bytes calldata _message,
address _sender
) external view returns (bool isSender);
}
文件 23 的 47：IOFT.sol
pragma solidity ^0.8.20;
import { MessagingReceipt, MessagingFee } from "../../oapp/OAppSender.sol";
struct SendParam {
uint32 dstEid;
bytes32 to;
uint256 amountLD;
uint256 minAmountLD;
bytes extraOptions;
bytes composeMsg;
bytes oftCmd;
}
struct OFTLimit {
uint256 minAmountLD;
uint256 maxAmountLD;
}
struct OFTReceipt {
uint256 amountSentLD;
uint256 amountReceivedLD;
}
struct OFTFeeDetail {
int256 feeAmountLD;
string description;
}
interface IOFT {
error InvalidLocalDecimals();
error SlippageExceeded(uint256 amountLD, uint256 minAmountLD);
event OFTSent(
bytes32 indexed guid,
uint32 dstEid,
address indexed fromAddress,
uint256 amountSentLD,
uint256 amountReceivedLD
);
event OFTReceived(
bytes32 indexed guid,
uint32 srcEid,
address indexed toAddress,
uint256 amountReceivedLD
);
function oftVersion() external view returns (bytes4 interfaceId, uint64 version);
function token() external view returns (address);
function approvalRequired() external view returns (bool);
function sharedDecimals() external view returns (uint8);
function quoteOFT(
SendParam calldata _sendParam
) external view returns (OFTLimit memory, OFTFeeDetail[] memory oftFeeDetails, OFTReceipt memory);
function quoteSend(SendParam calldata _sendParam, bool _payInLzToken) external view returns (MessagingFee memory);
function send(
SendParam calldata _sendParam,
MessagingFee calldata _fee,
address _refundAddress
) external payable returns (MessagingReceipt memory, OFTReceipt memory);
}
文件 24 的 47：IStargate.sol
pragma solidity ^0.8.0;
import { IOFT, SendParam, MessagingFee, MessagingReceipt, OFTReceipt } from "@layerzerolabs/lz-evm-oapp-v2/contracts/oft/interfaces/IOFT.sol";
enum StargateType {
Pool,
OFT
}
struct Ticket {
uint72 ticketId;
bytes passengerBytes;
}
interface IStargate is IOFT {
function sendToken(
SendParam calldata _sendParam,
MessagingFee calldata _fee,
address _refundAddress
) external payable returns (MessagingReceipt memory msgReceipt, OFTReceipt memory oftReceipt, Ticket memory ticket);
function stargateType() external pure returns (StargateType);
}
文件 25 的 47：IStargateFeeLib.sol
pragma solidity ^0.8.0;
struct FeeParams {
address sender;
uint32 dstEid;
uint64 amountInSD;
uint64 deficitSD;
bool toOFT;
bool isTaxi;
}
interface IStargateFeeLib {
function applyFee(FeeParams calldata _params) external returns (uint64 amountOutSD);
function applyFeeView(FeeParams calldata _params) external view returns (uint64 amountOutSD);
}
文件 26 的 47：IStargatePool.sol
pragma solidity ^0.8.0;
import { IStargate, SendParam, MessagingReceipt, MessagingFee, OFTReceipt } from "./IStargate.sol";
interface IStargatePool is IStargate {
function deposit(address _receiver, uint256 _amountLD) external payable returns (uint256 amountLD);
function redeem(uint256 _amountLD, address _receiver) external returns (uint256 amountLD);
function redeemable(address _owner) external view returns (uint256 amountLD);
function redeemSend(
SendParam calldata _sendParam,
MessagingFee calldata _fee,
address _refundAddress
) external payable returns (MessagingReceipt memory receipt, OFTReceipt memory oftReceipt);
function quoteRedeemSend(
SendParam calldata _sendParam,
bool _payInLzToken
) external view returns (MessagingFee memory messagingFee);
function tvl() external view returns (uint256);
function poolBalance() external view returns (uint256);
function lpToken() external view returns (address);
}
文件 27 的 47：ITokenMessaging.sol
pragma solidity ^0.8.0;
import { MessagingReceipt, MessagingFee, Ticket } from "./IStargate.sol";
struct TaxiParams {
address sender;
uint32 dstEid;
bytes32 receiver;
uint64 amountSD;
bytes composeMsg;
bytes extraOptions;
}
struct RideBusParams {
address sender;
uint32 dstEid;
bytes32 receiver;
uint64 amountSD;
bool nativeDrop;
}
interface ITokenMessaging {
function taxi(
TaxiParams calldata _params,
MessagingFee calldata _messagingFee,
address _refundAddress
) external payable returns (MessagingReceipt memory receipt);
function quoteTaxi(TaxiParams calldata _params, bool _payInLzToken) external view returns (MessagingFee memory fee);
function rideBus(
RideBusParams calldata _params
) external returns (MessagingReceipt memory receipt, Ticket memory ticket);
function quoteRideBus(uint32 _dstEid, bool _nativeDrop) external view returns (MessagingFee memory fee);
function driveBus(
uint32 _dstEid,
bytes calldata _passengers
) external payable returns (MessagingReceipt memory receipt);
function quoteDriveBus(uint32 _dstEid, bytes calldata _passengers) external view returns (MessagingFee memory fee);
}
文件 28 的 47：ITokenMessagingHandler.sol
pragma solidity ^0.8.0;
import { Origin } from "@layerzerolabs/lz-evm-oapp-v2/contracts/oapp/OApp.sol";
interface ITokenMessagingHandler {
function receiveTokenBus(
Origin calldata _origin,
bytes32 _guid,
uint8 _seatNumber,
address _receiver,
uint64 _amountSD
) external;
function receiveTokenTaxi(
Origin calldata _origin,
bytes32 _guid,
address _receiver,
uint64 _amountSD,
bytes calldata _composeMsg
) external;
}
文件 29 的 47：LPToken.sol
pragma solidity ^0.8.22;
import { ERC20Permit, ERC20 } from "@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol";
contract LPToken is ERC20Permit {
address public immutable stargate;
uint8 internal immutable tokenDecimals;
error LPToken_Unauthorized();
modifier onlyStargate() {
if (msg.sender != stargate) revert LPToken_Unauthorized();
_;
}
constructor(string memory _name, string memory _symbol, uint8 _decimals) ERC20(_name, _symbol) ERC20Permit(_name) {
stargate = msg.sender;
tokenDecimals = _decimals;
}
function mint(address _to, uint256 _amount) external onlyStargate {
_mint(_to, _amount);
}
function burnFrom(address _from, uint256 _amount) external onlyStargate {
_burn(_from, _amount);
}
function decimals() public view override returns (uint8) {
return tokenDecimals;
}
}
文件 30 的 47：Math.sol
pragma solidity ^0.8.0;
library Math {
enum Rounding {
Down,
Up,
Zero
}
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a > b ? a : b;
}
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
function average(uint256 a, uint256 b) internal pure returns (uint256) {
return (a & b) + (a ^ b) / 2;
}
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
return a == 0 ? 0 : (a - 1) / b + 1;
}
function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
unchecked {
uint256 prod0;
uint256 prod1;
assembly {
let mm := mulmod(x, y, not(0))
prod0 := mul(x, y)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
if (prod1 == 0) {
return prod0 / denominator;
}
require(denominator > prod1, "Math: mulDiv overflow");
uint256 remainder;
assembly {
remainder := mulmod(x, y, denominator)
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
uint256 twos = denominator & (~denominator + 1);
assembly {
denominator := div(denominator, twos)
prod0 := div(prod0, twos)
twos := add(div(sub(0, twos), twos), 1)
}
prod0 |= prod1 * twos;
uint256 inverse = (3 * denominator) ^ 2;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
result = prod0 * inverse;
return result;
}
}
function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
uint256 result = mulDiv(x, y, denominator);
if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
result += 1;
}
return result;
}
function sqrt(uint256 a) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 result = 1 << (log2(a) >> 1);
unchecked {
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
return min(result, a / result);
}
}
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
}
}
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 128;
}
if (value >> 64 > 0) {
value >>= 64;
result += 64;
}
if (value >> 32 > 0) {
value >>= 32;
result += 32;
}
if (value >> 16 > 0) {
value >>= 16;
result += 16;
}
if (value >> 8 > 0) {
value >>= 8;
result += 8;
}
if (value >> 4 > 0) {
value >>= 4;
result += 4;
}
if (value >> 2 > 0) {
value >>= 2;
result += 2;
}
if (value >> 1 > 0) {
result += 1;
}
}
return result;
}
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
}
}
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10 ** 64) {
value /= 10 ** 64;
result += 64;
}
if (value >= 10 ** 32) {
value /= 10 ** 32;
result += 32;
}
if (value >= 10 ** 16) {
value /= 10 ** 16;
result += 16;
}
if (value >= 10 ** 8) {
value /= 10 ** 8;
result += 8;
}
if (value >= 10 ** 4) {
value /= 10 ** 4;
result += 4;
}
if (value >= 10 ** 2) {
value /= 10 ** 2;
result += 2;
}
if (value >= 10 ** 1) {
result += 1;
}
}
return result;
}
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
}
}
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 16;
}
if (value >> 64 > 0) {
value >>= 64;
result += 8;
}
if (value >> 32 > 0) {
value >>= 32;
result += 4;
}
if (value >> 16 > 0) {
value >>= 16;
result += 2;
}
if (value >> 8 > 0) {
result += 1;
}
}
return result;
}
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
}
}
}
文件 31 的 47：OApp.sol
pragma solidity ^0.8.20;
import { OAppSender, MessagingFee, MessagingReceipt } from "./OAppSender.sol";
import { OAppReceiver, Origin } from "./OAppReceiver.sol";
import { OAppCore } from "./OAppCore.sol";
abstract contract OApp is OAppSender, OAppReceiver {
constructor(address _endpoint, address _delegate) OAppCore(_endpoint, _delegate) {}
function oAppVersion()
public
pure
virtual
override(OAppSender, OAppReceiver)
returns (uint64 senderVersion, uint64 receiverVersion)
{
return (SENDER_VERSION, RECEIVER_VERSION);
}
}
文件 32 的 47：OAppCore.sol
pragma solidity ^0.8.20;
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
import { IOAppCore, ILayerZeroEndpointV2 } from "./interfaces/IOAppCore.sol";
abstract contract OAppCore is IOAppCore, Ownable {
ILayerZeroEndpointV2 public immutable endpoint;
mapping(uint32 eid => bytes32 peer) public peers;
constructor(address _endpoint, address _delegate) {
endpoint = ILayerZeroEndpointV2(_endpoint);
if (_delegate == address(0)) revert InvalidDelegate();
endpoint.setDelegate(_delegate);
}
function setPeer(uint32 _eid, bytes32 _peer) public virtual onlyOwner {
_setPeer(_eid, _peer);
}
function _setPeer(uint32 _eid, bytes32 _peer) internal virtual {
peers[_eid] = _peer;
emit PeerSet(_eid, _peer);
}
function _getPeerOrRevert(uint32 _eid) internal view virtual returns (bytes32) {
bytes32 peer = peers[_eid];
if (peer == bytes32(0)) revert NoPeer(_eid);
return peer;
}
function setDelegate(address _delegate) public onlyOwner {
endpoint.setDelegate(_delegate);
}
}
文件 33 的 47：OAppReceiver.sol
pragma solidity ^0.8.20;
import { IOAppReceiver, Origin } from "./interfaces/IOAppReceiver.sol";
import { OAppCore } from "./OAppCore.sol";
abstract contract OAppReceiver is IOAppReceiver, OAppCore {
error OnlyEndpoint(address addr);
uint64 internal constant RECEIVER_VERSION = 2;
function oAppVersion() public view virtual returns (uint64 senderVersion, uint64 receiverVersion) {
return (0, RECEIVER_VERSION);
}
function isComposeMsgSender(
Origin calldata ,
bytes calldata ,
address _sender
) public view virtual returns (bool) {
return _sender == address(this);
}
function allowInitializePath(Origin calldata origin) public view virtual returns (bool) {
return peers[origin.srcEid] == origin.sender;
}
function nextNonce(uint32 , bytes32 ) public view virtual returns (uint64 nonce) {
return 0;
}
function lzReceive(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address _executor,
bytes calldata _extraData
) public payable virtual {
if (address(endpoint) != msg.sender) revert OnlyEndpoint(msg.sender);
if (_getPeerOrRevert(_origin.srcEid) != _origin.sender) revert OnlyPeer(_origin.srcEid, _origin.sender);
_lzReceive(_origin, _guid, _message, _executor, _extraData);
}
function _lzReceive(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address _executor,
bytes calldata _extraData
) internal virtual;
}
文件 34 的 47：OAppSender.sol
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";
abstract contract OAppSender is OAppCore {
using SafeERC20 for IERC20;
error NotEnoughNative(uint256 msgValue);
error LzTokenUnavailable();
uint64 internal constant SENDER_VERSION = 1;
function oAppVersion() public view virtual returns (uint64 senderVersion, uint64 receiverVersion) {
return (SENDER_VERSION, 0);
}
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)
);
}
function _lzSend(
uint32 _dstEid,
bytes memory _message,
bytes memory _options,
MessagingFee memory _fee,
address _refundAddress
) internal virtual returns (MessagingReceipt memory receipt) {
uint256 messageValue = _payNative(_fee.nativeFee);
if (_fee.lzTokenFee > 0) _payLzToken(_fee.lzTokenFee);
return
endpoint.send{ value: messageValue }(
MessagingParams(_dstEid, _getPeerOrRevert(_dstEid), _message, _options, _fee.lzTokenFee > 0),
_refundAddress
);
}
function _payNative(uint256 _nativeFee) internal virtual returns (uint256 nativeFee) {
if (msg.value != _nativeFee) revert NotEnoughNative(msg.value);
return _nativeFee;
}
function _payLzToken(uint256 _lzTokenFee) internal virtual {
address lzToken = endpoint.lzToken();
if (lzToken == address(0)) revert LzTokenUnavailable();
IERC20(lzToken).safeTransferFrom(msg.sender, address(endpoint), _lzTokenFee);
}
}
文件 35 的 47：OFTComposeMsgCodec.sol
pragma solidity ^0.8.20;
library OFTComposeMsgCodec {
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;
function encode(
uint64 _nonce,
uint32 _srcEid,
uint256 _amountLD,
bytes memory _composeMsg
) internal pure returns (bytes memory _msg) {
_msg = abi.encodePacked(_nonce, _srcEid, _amountLD, _composeMsg);
}
function nonce(bytes calldata _msg) internal pure returns (uint64) {
return uint64(bytes8(_msg[:NONCE_OFFSET]));
}
function srcEid(bytes calldata _msg) internal pure returns (uint32) {
return uint32(bytes4(_msg[NONCE_OFFSET:SRC_EID_OFFSET]));
}
function amountLD(bytes calldata _msg) internal pure returns (uint256) {
return uint256(bytes32(_msg[SRC_EID_OFFSET:AMOUNT_LD_OFFSET]));
}
function composeFrom(bytes calldata _msg) internal pure returns (bytes32) {
return bytes32(_msg[AMOUNT_LD_OFFSET:COMPOSE_FROM_OFFSET]);
}
function composeMsg(bytes calldata _msg) internal pure returns (bytes memory) {
return _msg[COMPOSE_FROM_OFFSET:];
}
function addressToBytes32(address _addr) internal pure returns (bytes32) {
return bytes32(uint256(uint160(_addr)));
}
function bytes32ToAddress(bytes32 _b) internal pure returns (address) {
return address(uint160(uint256(_b)));
}
}
文件 36 的 47：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 37 的 47：Path.sol
pragma solidity ^0.8.22;
struct Path {
uint64 credit;
}
using PathLib for Path global;
library PathLib {
uint64 internal constant UNLIMITED_CREDIT = type(uint64).max;
event Path_CreditBurned(uint64 amountSD);
error Path_InsufficientCredit();
error Path_AlreadyHasCredit();
error Path_UnlimitedCredit();
function increaseCredit(Path storage _path, uint64 _amountSD) internal {
uint64 credit = _path.credit;
if (credit == UNLIMITED_CREDIT) return;
credit += _amountSD;
if (credit == UNLIMITED_CREDIT) revert Path_UnlimitedCredit();
_path.credit = credit;
}
function decreaseCredit(Path storage _path, uint64 _amountSD) internal {
uint64 currentCredit = _path.credit;
if (currentCredit == UNLIMITED_CREDIT) return;
if (currentCredit < _amountSD) revert Path_InsufficientCredit();
unchecked {
_path.credit = currentCredit - _amountSD;
}
}
function tryDecreaseCredit(
Path storage _path,
uint64 _amountSD,
uint64 _minKept
) internal returns (uint64 decreased) {
uint64 currentCredit = _path.credit;
if (currentCredit == UNLIMITED_CREDIT) revert Path_UnlimitedCredit();
if (_minKept < currentCredit) {
unchecked {
uint64 maxDecreased = currentCredit - _minKept;
decreased = _amountSD > maxDecreased ? maxDecreased : _amountSD;
_path.credit = currentCredit - decreased;
}
}
}
function setOFTPath(Path storage _path, bool _oft) internal {
uint64 currentCredit = _path.credit;
if (_oft) {
if (currentCredit != 0) revert Path_AlreadyHasCredit();
_path.credit = UNLIMITED_CREDIT;
} else {
if (currentCredit != UNLIMITED_CREDIT) revert Path_AlreadyHasCredit();
_path.credit = 0;
}
}
function isOFTPath(Path storage _path) internal view returns (bool) {
return _path.credit == UNLIMITED_CREDIT;
}
function burnCredit(Path storage _path, uint64 _amountSD) internal {
decreaseCredit(_path, _amountSD);
emit Path_CreditBurned(_amountSD);
}
}
文件 38 的 47：SafeCast.sol
pragma solidity ^0.8.0;
library SafeCast {
function toUint248(uint256 value) internal pure returns (uint248) {
require(value <= type(uint248).max, "SafeCast: value doesn't fit in 248 bits");
return uint248(value);
}
function toUint240(uint256 value) internal pure returns (uint240) {
require(value <= type(uint240).max, "SafeCast: value doesn't fit in 240 bits");
return uint240(value);
}
function toUint232(uint256 value) internal pure returns (uint232) {
require(value <= type(uint232).max, "SafeCast: value doesn't fit in 232 bits");
return uint232(value);
}
function toUint224(uint256 value) internal pure returns (uint224) {
require(value <= type(uint224).max, "SafeCast: value doesn't fit in 224 bits");
return uint224(value);
}
function toUint216(uint256 value) internal pure returns (uint216) {
require(value <= type(uint216).max, "SafeCast: value doesn't fit in 216 bits");
return uint216(value);
}
function toUint208(uint256 value) internal pure returns (uint208) {
require(value <= type(uint208).max, "SafeCast: value doesn't fit in 208 bits");
return uint208(value);
}
function toUint200(uint256 value) internal pure returns (uint200) {
require(value <= type(uint200).max, "SafeCast: value doesn't fit in 200 bits");
return uint200(value);
}
function toUint192(uint256 value) internal pure returns (uint192) {
require(value <= type(uint192).max, "SafeCast: value doesn't fit in 192 bits");
return uint192(value);
}
function toUint184(uint256 value) internal pure returns (uint184) {
require(value <= type(uint184).max, "SafeCast: value doesn't fit in 184 bits");
return uint184(value);
}
function toUint176(uint256 value) internal pure returns (uint176) {
require(value <= type(uint176).max, "SafeCast: value doesn't fit in 176 bits");
return uint176(value);
}
function toUint168(uint256 value) internal pure returns (uint168) {
require(value <= type(uint168).max, "SafeCast: value doesn't fit in 168 bits");
return uint168(value);
}
function toUint160(uint256 value) internal pure returns (uint160) {
require(value <= type(uint160).max, "SafeCast: value doesn't fit in 160 bits");
return uint160(value);
}
function toUint152(uint256 value) internal pure returns (uint152) {
require(value <= type(uint152).max, "SafeCast: value doesn't fit in 152 bits");
return uint152(value);
}
function toUint144(uint256 value) internal pure returns (uint144) {
require(value <= type(uint144).max, "SafeCast: value doesn't fit in 144 bits");
return uint144(value);
}
function toUint136(uint256 value) internal pure returns (uint136) {
require(value <= type(uint136).max, "SafeCast: value doesn't fit in 136 bits");
return uint136(value);
}
function toUint128(uint256 value) internal pure returns (uint128) {
require(value <= type(uint128).max, "SafeCast: value doesn't fit in 128 bits");
return uint128(value);
}
function toUint120(uint256 value) internal pure returns (uint120) {
require(value <= type(uint120).max, "SafeCast: value doesn't fit in 120 bits");
return uint120(value);
}
function toUint112(uint256 value) internal pure returns (uint112) {
require(value <= type(uint112).max, "SafeCast: value doesn't fit in 112 bits");
return uint112(value);
}
function toUint104(uint256 value) internal pure returns (uint104) {
require(value <= type(uint104).max, "SafeCast: value doesn't fit in 104 bits");
return uint104(value);
}
function toUint96(uint256 value) internal pure returns (uint96) {
require(value <= type(uint96).max, "SafeCast: value doesn't fit in 96 bits");
return uint96(value);
}
function toUint88(uint256 value) internal pure returns (uint88) {
require(value <= type(uint88).max, "SafeCast: value doesn't fit in 88 bits");
return uint88(value);
}
function toUint80(uint256 value) internal pure returns (uint80) {
require(value <= type(uint80).max, "SafeCast: value doesn't fit in 80 bits");
return uint80(value);
}
function toUint72(uint256 value) internal pure returns (uint72) {
require(value <= type(uint72).max, "SafeCast: value doesn't fit in 72 bits");
return uint72(value);
}
function toUint64(uint256 value) internal pure returns (uint64) {
require(value <= type(uint64).max, "SafeCast: value doesn't fit in 64 bits");
return uint64(value);
}
function toUint56(uint256 value) internal pure returns (uint56) {
require(value <= type(uint56).max, "SafeCast: value doesn't fit in 56 bits");
return uint56(value);
}
function toUint48(uint256 value) internal pure returns (uint48) {
require(value <= type(uint48).max, "SafeCast: value doesn't fit in 48 bits");
return uint48(value);
}
function toUint40(uint256 value) internal pure returns (uint40) {
require(value <= type(uint40).max, "SafeCast: value doesn't fit in 40 bits");
return uint40(value);
}
function toUint32(uint256 value) internal pure returns (uint32) {
require(value <= type(uint32).max, "SafeCast: value doesn't fit in 32 bits");
return uint32(value);
}
function toUint24(uint256 value) internal pure returns (uint24) {
require(value <= type(uint24).max, "SafeCast: value doesn't fit in 24 bits");
return uint24(value);
}
function toUint16(uint256 value) internal pure returns (uint16) {
require(value <= type(uint16).max, "SafeCast: value doesn't fit in 16 bits");
return uint16(value);
}
function toUint8(uint256 value) internal pure returns (uint8) {
require(value <= type(uint8).max, "SafeCast: value doesn't fit in 8 bits");
return uint8(value);
}
function toUint256(int256 value) internal pure returns (uint256) {
require(value >= 0, "SafeCast: value must be positive");
return uint256(value);
}
function toInt248(int256 value) internal pure returns (int248 downcasted) {
downcasted = int248(value);
require(downcasted == value, "SafeCast: value doesn't fit in 248 bits");
}
function toInt240(int256 value) internal pure returns (int240 downcasted) {
downcasted = int240(value);
require(downcasted == value, "SafeCast: value doesn't fit in 240 bits");
}
function toInt232(int256 value) internal pure returns (int232 downcasted) {
downcasted = int232(value);
require(downcasted == value, "SafeCast: value doesn't fit in 232 bits");
}
function toInt224(int256 value) internal pure returns (int224 downcasted) {
downcasted = int224(value);
require(downcasted == value, "SafeCast: value doesn't fit in 224 bits");
}
function toInt216(int256 value) internal pure returns (int216 downcasted) {
downcasted = int216(value);
require(downcasted == value, "SafeCast: value doesn't fit in 216 bits");
}
function toInt208(int256 value) internal pure returns (int208 downcasted) {
downcasted = int208(value);
require(downcasted == value, "SafeCast: value doesn't fit in 208 bits");
}
function toInt200(int256 value) internal pure returns (int200 downcasted) {
downcasted = int200(value);
require(downcasted == value, "SafeCast: value doesn't fit in 200 bits");
}
function toInt192(int256 value) internal pure returns (int192 downcasted) {
downcasted = int192(value);
require(downcasted == value, "SafeCast: value doesn't fit in 192 bits");
}
function toInt184(int256 value) internal pure returns (int184 downcasted) {
downcasted = int184(value);
require(downcasted == value, "SafeCast: value doesn't fit in 184 bits");
}
function toInt176(int256 value) internal pure returns (int176 downcasted) {
downcasted = int176(value);
require(downcasted == value, "SafeCast: value doesn't fit in 176 bits");
}
function toInt168(int256 value) internal pure returns (int168 downcasted) {
downcasted = int168(value);
require(downcasted == value, "SafeCast: value doesn't fit in 168 bits");
}
function toInt160(int256 value) internal pure returns (int160 downcasted) {
downcasted = int160(value);
require(downcasted == value, "SafeCast: value doesn't fit in 160 bits");
}
function toInt152(int256 value) internal pure returns (int152 downcasted) {
downcasted = int152(value);
require(downcasted == value, "SafeCast: value doesn't fit in 152 bits");
}
function toInt144(int256 value) internal pure returns (int144 downcasted) {
downcasted = int144(value);
require(downcasted == value, "SafeCast: value doesn't fit in 144 bits");
}
function toInt136(int256 value) internal pure returns (int136 downcasted) {
downcasted = int136(value);
require(downcasted == value, "SafeCast: value doesn't fit in 136 bits");
}
function toInt128(int256 value) internal pure returns (int128 downcasted) {
downcasted = int128(value);
require(downcasted == value, "SafeCast: value doesn't fit in 128 bits");
}
function toInt120(int256 value) internal pure returns (int120 downcasted) {
downcasted = int120(value);
require(downcasted == value, "SafeCast: value doesn't fit in 120 bits");
}
function toInt112(int256 value) internal pure returns (int112 downcasted) {
downcasted = int112(value);
require(downcasted == value, "SafeCast: value doesn't fit in 112 bits");
}
function toInt104(int256 value) internal pure returns (int104 downcasted) {
downcasted = int104(value);
require(downcasted == value, "SafeCast: value doesn't fit in 104 bits");
}
function toInt96(int256 value) internal pure returns (int96 downcasted) {
downcasted = int96(value);
require(downcasted == value, "SafeCast: value doesn't fit in 96 bits");
}
function toInt88(int256 value) internal pure returns (int88 downcasted) {
downcasted = int88(value);
require(downcasted == value, "SafeCast: value doesn't fit in 88 bits");
}
function toInt80(int256 value) internal pure returns (int80 downcasted) {
downcasted = int80(value);
require(downcasted == value, "SafeCast: value doesn't fit in 80 bits");
}
function toInt72(int256 value) internal pure returns (int72 downcasted) {
downcasted = int72(value);
require(downcasted == value, "SafeCast: value doesn't fit in 72 bits");
}
function toInt64(int256 value) internal pure returns (int64 downcasted) {
downcasted = int64(value);
require(downcasted == value, "SafeCast: value doesn't fit in 64 bits");
}
function toInt56(int256 value) internal pure returns (int56 downcasted) {
downcasted = int56(value);
require(downcasted == value, "SafeCast: value doesn't fit in 56 bits");
}
function toInt48(int256 value) internal pure returns (int48 downcasted) {
downcasted = int48(value);
require(downcasted == value, "SafeCast: value doesn't fit in 48 bits");
}
function toInt40(int256 value) internal pure returns (int40 downcasted) {
downcasted = int40(value);
require(downcasted == value, "SafeCast: value doesn't fit in 40 bits");
}
function toInt32(int256 value) internal pure returns (int32 downcasted) {
downcasted = int32(value);
require(downcasted == value, "SafeCast: value doesn't fit in 32 bits");
}
function toInt24(int256 value) internal pure returns (int24 downcasted) {
downcasted = int24(value);
require(downcasted == value, "SafeCast: value doesn't fit in 24 bits");
}
function toInt16(int256 value) internal pure returns (int16 downcasted) {
downcasted = int16(value);
require(downcasted == value, "SafeCast: value doesn't fit in 16 bits");
}
function toInt8(int256 value) internal pure returns (int8 downcasted) {
downcasted = int8(value);
require(downcasted == value, "SafeCast: value doesn't fit in 8 bits");
}
function toInt256(uint256 value) internal pure returns (int256) {
require(value <= uint256(type(int256).max), "SafeCast: value doesn't fit in an int256");
return int256(value);
}
}
文件 39 的 47：SafeERC20.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
import "../extensions/IERC20Permit.sol";
import "../../../utils/Address.sol";
library SafeERC20 {
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint256 value) internal {
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
}
}
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
_callOptionalReturn(token, approvalCall);
}
}
function safePermit(
IERC20Permit token,
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) internal {
uint256 nonceBefore = token.nonces(owner);
token.permit(owner, spender, value, deadline, v, r, s);
uint256 nonceAfter = token.nonces(owner);
require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
}
function _callOptionalReturn(IERC20 token, bytes memory data) private {
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
(bool success, bytes memory returndata) = address(token).call(data);
return
success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));
}
}
文件 40 的 47：ShortStrings.sol
pragma solidity ^0.8.8;
import "./StorageSlot.sol";
type ShortString is bytes32;
library ShortStrings {
bytes32 private constant _FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF;
error StringTooLong(string str);
error InvalidShortString();
function toShortString(string memory str) internal pure returns (ShortString) {
bytes memory bstr = bytes(str);
if (bstr.length > 31) {
revert StringTooLong(str);
}
return ShortString.wrap(bytes32(uint256(bytes32(bstr)) | bstr.length));
}
function toString(ShortString sstr) internal pure returns (string memory) {
uint256 len = byteLength(sstr);
string memory str = new string(32);
assembly {
mstore(str, len)
mstore(add(str, 0x20), sstr)
}
return str;
}
function byteLength(ShortString sstr) internal pure returns (uint256) {
uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF;
if (result > 31) {
revert InvalidShortString();
}
return result;
}
function toShortStringWithFallback(string memory value, string storage store) internal returns (ShortString) {
if (bytes(value).length < 32) {
return toShortString(value);
} else {
StorageSlot.getStringSlot(store).value = value;
return ShortString.wrap(_FALLBACK_SENTINEL);
}
}
function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) {
if (ShortString.unwrap(value) != _FALLBACK_SENTINEL) {
return toString(value);
} else {
return store;
}
}
function byteLengthWithFallback(ShortString value, string storage store) internal view returns (uint256) {
if (ShortString.unwrap(value) != _FALLBACK_SENTINEL) {
return byteLength(value);
} else {
return bytes(store).length;
}
}
}
文件 41 的 47：SignedMath.sol
pragma solidity ^0.8.0;
library SignedMath {
function max(int256 a, int256 b) internal pure returns (int256) {
return a > b ? a : b;
}
function min(int256 a, int256 b) internal pure returns (int256) {
return a < b ? a : b;
}
function average(int256 a, int256 b) internal pure returns (int256) {
int256 x = (a & b) + ((a ^ b) >> 1);
return x + (int256(uint256(x) >> 255) & (a ^ b));
}
function abs(int256 n) internal pure returns (uint256) {
unchecked {
return uint256(n >= 0 ? n : -n);
}
}
}
文件 42 的 47：StargateBase.sol
pragma solidity ^0.8.22;
import { SafeCast } from "@openzeppelin/contracts/utils/math/SafeCast.sol";
import { ILayerZeroEndpointV2 } from "@layerzerolabs/lz-evm-oapp-v2/contracts/oapp/interfaces/IOAppCore.sol";
import { Origin } from "@layerzerolabs/lz-evm-oapp-v2/contracts/oapp/OApp.sol";
import { OFTLimit, OFTFeeDetail, OFTReceipt, SendParam, MessagingReceipt, MessagingFee, IOFT } from "@layerzerolabs/lz-evm-oapp-v2/contracts/oft/interfaces/IOFT.sol";
import { OFTComposeMsgCodec } from "@layerzerolabs/lz-evm-oapp-v2/contracts/oft/libs/OFTComposeMsgCodec.sol";
import { IStargate, Ticket } from "./interfaces/IStargate.sol";
import { IStargateFeeLib, FeeParams } from "./interfaces/IStargateFeeLib.sol";
import { ITokenMessaging, RideBusParams, TaxiParams } from "./interfaces/ITokenMessaging.sol";
import { ITokenMessagingHandler } from "./interfaces/ITokenMessagingHandler.sol";
import { ICreditMessagingHandler, Credit, TargetCredit } from "./interfaces/ICreditMessagingHandler.sol";
import { Path } from "./libs/Path.sol";
import { Transfer } from "./libs/Transfer.sol";
abstract contract StargateBase is Transfer, IStargate, ITokenMessagingHandler, ICreditMessagingHandler {
using SafeCast for uint256;
uint8 internal constant NOT_ENTERED = 1;
uint8 internal constant ENTERED = 2;
uint8 internal constant PAUSED = 3;
address public immutable override token;
uint8 public immutable override sharedDecimals;
uint256 internal immutable convertRate;
ILayerZeroEndpointV2 public immutable endpoint;
uint32 public immutable localEid;
address internal feeLib;
uint8 public status = NOT_ENTERED;
uint64 public treasuryFee;
address internal creditMessaging;
address internal lzToken;
address internal planner;
address internal tokenMessaging;
address internal treasurer;
mapping(uint32 eid => Path path) public paths;
mapping(bytes32 guid => mapping(uint8 index => bytes32 hash)) public unreceivedTokens;
modifier onlyCaller(address _caller) {
if (msg.sender != _caller) revert Stargate_Unauthorized();
_;
}
modifier nonReentrantAndNotPaused() {
if (status != NOT_ENTERED) {
if (status == ENTERED) revert Stargate_ReentrantCall();
revert Stargate_Paused();
}
status = ENTERED;
_;
status = NOT_ENTERED;
}
error Stargate_ReentrantCall();
error Stargate_InvalidTokenDecimals();
error Stargate_Unauthorized();
error Stargate_SlippageTooHigh();
error Stargate_UnreceivedTokenNotFound();
error Stargate_OutflowFailed();
error Stargate_InvalidAmount();
error Stargate_InsufficientFare();
error Stargate_InvalidPath();
error Stargate_LzTokenUnavailable();
error Stargate_Paused();
error Stargate_RecoverTokenUnsupported();
event AddressConfigSet(AddressConfig config);
event CreditsSent(uint32 dstEid, Credit[] credits);
event CreditsReceived(uint32 srcEid, Credit[] credits);
event UnreceivedTokenCached(
bytes32 guid,
uint8 index,
uint32 srcEid,
address receiver,
uint256 amountLD,
bytes composeMsg
);
event OFTPathSet(uint32 dstEid, bool oft);
event PauseSet(bool paused);
event PlannerFeeWithdrawn(uint256 amount);
event TreasuryFeeAdded(uint64 amountSD);
event TreasuryFeeWithdrawn(address to, uint64 amountSD);
struct AddressConfig {
address feeLib;
address planner;
address treasurer;
address tokenMessaging;
address creditMessaging;
address lzToken;
}
constructor(address _token, uint8 _tokenDecimals, uint8 _sharedDecimals, address _endpoint, address _owner) {
token = _token;
if (_tokenDecimals < _sharedDecimals) revert Stargate_InvalidTokenDecimals();
convertRate = 10 ** (_tokenDecimals - _sharedDecimals);
sharedDecimals = _sharedDecimals;
endpoint = ILayerZeroEndpointV2(_endpoint);
localEid = endpoint.eid();
_transferOwnership(_owner);
}
function setAddressConfig(AddressConfig calldata _config) external onlyOwner {
feeLib = _config.feeLib;
planner = _config.planner;
treasurer = _config.treasurer;
tokenMessaging = _config.tokenMessaging;
creditMessaging = _config.creditMessaging;
lzToken = _config.lzToken;
emit AddressConfigSet(_config);
}
function setOFTPath(uint32 _dstEid, bool _oft) external onlyOwner {
if (_dstEid == localEid) revert Stargate_InvalidPath();
paths[_dstEid].setOFTPath(_oft);
emit OFTPathSet(_dstEid, _oft);
}
function withdrawTreasuryFee(address _to, uint64 _amountSD) external onlyCaller(treasurer) {
treasuryFee -= _amountSD;
_safeOutflow(_to, _sd2ld(_amountSD));
emit TreasuryFeeWithdrawn(_to, _amountSD);
}
function addTreasuryFee(uint256 _amountLD) external payable onlyCaller(treasurer) {
_assertMsgValue(_amountLD);
uint64 amountSD = _inflow(msg.sender, _amountLD);
treasuryFee += amountSD;
emit TreasuryFeeAdded(amountSD);
}
function recoverToken(
address _token,
address _to,
uint256 _amount
) public virtual nonReentrantAndNotPaused onlyCaller(treasurer) returns (uint256) {
if (_token == address(0)) revert Stargate_RecoverTokenUnsupported();
Transfer.safeTransfer(_token, _to, _amount, false);
return _amount;
}
function setPause(bool _paused) external onlyCaller(planner) {
if (status == ENTERED) revert Stargate_ReentrantCall();
status = _paused ? PAUSED : NOT_ENTERED;
emit PauseSet(_paused);
}
function _plannerFee() internal view virtual returns (uint256) {
return address(this).balance;
}
function plannerFee() external view returns (uint256 available) {
available = _plannerFee();
}
function withdrawPlannerFee() external virtual onlyCaller(planner) {
uint256 available = _plannerFee();
Transfer.safeTransferNative(msg.sender, available, false);
emit PlannerFeeWithdrawn(available);
}
function send(
SendParam calldata _sendParam,
MessagingFee calldata _fee,
address _refundAddress
) external payable override returns (MessagingReceipt memory msgReceipt, OFTReceipt memory oftReceipt) {
(msgReceipt, oftReceipt, ) = sendToken(_sendParam, _fee, _refundAddress);
}
function sendToken(
SendParam calldata _sendParam,
MessagingFee calldata _fee,
address _refundAddress
)
public
payable
override
nonReentrantAndNotPaused
returns (MessagingReceipt memory msgReceipt, OFTReceipt memory oftReceipt, Ticket memory ticket)
{
(bool isTaxi, uint64 amountInSD, uint64 amountOutSD) = _inflowAndCharge(_sendParam);
oftReceipt = OFTReceipt(_sd2ld(amountInSD), _sd2ld(amountOutSD));
MessagingFee memory messagingFee = _assertMessagingFee(_fee, oftReceipt.amountSentLD);
if (isTaxi) {
msgReceipt = _taxi(_sendParam, messagingFee, amountOutSD, _refundAddress);
} else {
(msgReceipt, ticket) = _rideBus(_sendParam, messagingFee, amountOutSD, _refundAddress);
}
emit OFTSent(
msgReceipt.guid,
_sendParam.dstEid,
msg.sender,
oftReceipt.amountSentLD,
oftReceipt.amountReceivedLD
);
}
function retryReceiveToken(
bytes32 _guid,
uint8 _index,
uint32 _srcEid,
address _receiver,
uint256 _amountLD,
bytes calldata _composeMsg
) external nonReentrantAndNotPaused {
if (unreceivedTokens[_guid][_index] != keccak256(abi.encodePacked(_srcEid, _receiver, _amountLD, _composeMsg)))
revert Stargate_UnreceivedTokenNotFound();
delete unreceivedTokens[_guid][_index];
_safeOutflow(_receiver, _amountLD);
_postOutflow(_ld2sd(_amountLD));
if (_composeMsg.length > 0) {
endpoint.sendCompose(_receiver, _guid, 0, _composeMsg);
}
emit OFTReceived(_guid, _srcEid, _receiver, _amountLD);
}
function receiveTokenBus(
Origin calldata _origin,
bytes32 _guid,
uint8 _seatNumber,
address _receiver,
uint64 _amountSD
) external nonReentrantAndNotPaused onlyCaller(tokenMessaging) {
uint256 amountLD = _sd2ld(_amountSD);
bool success = _outflow(_receiver, amountLD);
if (success) {
_postOutflow(_amountSD);
emit OFTReceived(_guid, _origin.srcEid, _receiver, amountLD);
} else {
unreceivedTokens[_guid][_seatNumber] = keccak256(abi.encodePacked(_origin.srcEid, _receiver, amountLD, ""));
emit UnreceivedTokenCached(_guid, _seatNumber, _origin.srcEid, _receiver, amountLD, "");
}
}
function receiveTokenTaxi(
Origin calldata _origin,
bytes32 _guid,
address _receiver,
uint64 _amountSD,
bytes calldata _composeMsg
) external nonReentrantAndNotPaused onlyCaller(tokenMessaging) {
uint256 amountLD = _sd2ld(_amountSD);
bool hasCompose = _composeMsg.length > 0;
bytes memory composeMsg;
if (hasCompose) {
composeMsg = OFTComposeMsgCodec.encode(_origin.nonce, _origin.srcEid, amountLD, _composeMsg);
}
bool success = _outflow(_receiver, amountLD);
if (success) {
_postOutflow(_amountSD);
if (hasCompose) {
endpoint.sendCompose(_receiver, _guid, 0, composeMsg);
}
emit OFTReceived(_guid, _origin.srcEid, _receiver, amountLD);
} else {
unreceivedTokens[_guid][0] = keccak256(abi.encodePacked(_origin.srcEid, _receiver, amountLD, composeMsg));
emit UnreceivedTokenCached(_guid, 0, _origin.srcEid, _receiver, amountLD, composeMsg);
}
}
function sendCredits(
uint32 _dstEid,
TargetCredit[] calldata _credits
) external nonReentrantAndNotPaused onlyCaller(creditMessaging) returns (Credit[] memory) {
Credit[] memory credits = new Credit[](_credits.length);
uint256 index = 0;
for (uint256 i = 0; i < _credits.length; i++) {
TargetCredit calldata c = _credits[i];
uint64 decreased = paths[c.srcEid].tryDecreaseCredit(c.amount, c.minAmount);
if (decreased > 0) credits[index++] = Credit(c.srcEid, decreased);
}
assembly {
mstore(credits, index)
}
emit CreditsSent(_dstEid, credits);
return credits;
}
function receiveCredits(
uint32 _srcEid,
Credit[] calldata _credits
) external nonReentrantAndNotPaused onlyCaller(creditMessaging) {
for (uint256 i = 0; i < _credits.length; i++) {
Credit calldata c = _credits[i];
paths[c.srcEid].increaseCredit(c.amount);
}
emit CreditsReceived(_srcEid, _credits);
}
function quoteOFT(
SendParam calldata _sendParam
) external view returns (OFTLimit memory limit, OFTFeeDetail[] memory oftFeeDetails, OFTReceipt memory receipt) {
limit = OFTLimit(_sd2ld(1), _sd2ld(paths[_sendParam.dstEid].credit));
uint64 amountInSD = _ld2sd(_sendParam.amountLD > limit.maxAmountLD ? limit.maxAmountLD : _sendParam.amountLD);
FeeParams memory params = _buildFeeParams(_sendParam.dstEid, amountInSD, _isTaxiMode(_sendParam.oftCmd));
uint64 amountOutSD = IStargateFeeLib(feeLib).applyFeeView(params);
if (amountOutSD != amountInSD) {
oftFeeDetails = new OFTFeeDetail[](1);
if (amountOutSD < amountInSD) {
oftFeeDetails[0] = OFTFeeDetail(-1 * _sd2ld(amountInSD - amountOutSD).toInt256(), "protocol fee");
} else if (amountOutSD > amountInSD) {
uint64 reward = amountOutSD - amountInSD;
(amountOutSD, reward) = _capReward(amountOutSD, reward);
if (amountOutSD == amountInSD) {
oftFeeDetails = new OFTFeeDetail[](0);
} else {
oftFeeDetails[0] = OFTFeeDetail(_sd2ld(reward).toInt256(), "reward");
}
}
}
receipt = OFTReceipt(_sd2ld(amountInSD), _sd2ld(amountOutSD));
}
function quoteSend(
SendParam calldata _sendParam,
bool _payInLzToken
) external view returns (MessagingFee memory fee) {
uint64 amountSD = _ld2sd(_sendParam.amountLD);
if (amountSD == 0) revert Stargate_InvalidAmount();
bool isTaxi = _isTaxiMode(_sendParam.oftCmd);
if (isTaxi) {
fee = ITokenMessaging(tokenMessaging).quoteTaxi(
TaxiParams({
sender: msg.sender,
dstEid: _sendParam.dstEid,
receiver: _sendParam.to,
amountSD: amountSD,
composeMsg: _sendParam.composeMsg,
extraOptions: _sendParam.extraOptions
}),
_payInLzToken
);
} else {
bool nativeDrop = _sendParam.extraOptions.length > 0;
fee = ITokenMessaging(tokenMessaging).quoteRideBus(_sendParam.dstEid, nativeDrop);
}
}
function getAddressConfig() external view returns (AddressConfig memory) {
return
AddressConfig({
feeLib: feeLib,
planner: planner,
treasurer: treasurer,
tokenMessaging: tokenMessaging,
creditMessaging: creditMessaging,
lzToken: lzToken
});
}
function oftVersion() external pure override returns (bytes4 interfaceId, uint64 version) {
return (type(IOFT).interfaceId, 0);
}
function approvalRequired() external pure override returns (bool) {
return true;
}
function _inflowAndCharge(
SendParam calldata _sendParam
) internal returns (bool isTaxi, uint64 amountInSD, uint64 amountOutSD) {
isTaxi = _isTaxiMode(_sendParam.oftCmd);
amountInSD = _inflow(msg.sender, _sendParam.amountLD);
FeeParams memory feeParams = _buildFeeParams(_sendParam.dstEid, amountInSD, isTaxi);
amountOutSD = _chargeFee(feeParams, _ld2sd(_sendParam.minAmountLD));
paths[_sendParam.dstEid].decreaseCredit(amountOutSD);
_postInflow(amountOutSD);
}
function _chargeFee(FeeParams memory _feeParams, uint64 _minAmountOutSD) internal returns (uint64 amountOutSD) {
amountOutSD = IStargateFeeLib(feeLib).applyFee(_feeParams);
uint64 amountInSD = _feeParams.amountInSD;
if (amountOutSD < amountInSD) {
treasuryFee += amountInSD - amountOutSD;
} else if (amountOutSD > amountInSD) {
uint64 reward = amountOutSD - amountInSD;
(amountOutSD, reward) = _capReward(amountOutSD, reward);
if (reward > 0) treasuryFee -= reward;
}
if (amountOutSD < _minAmountOutSD || amountOutSD == 0) revert Stargate_SlippageTooHigh();
}
function _taxi(
SendParam calldata _sendParam,
MessagingFee memory _messagingFee,
uint64 _amountSD,
address _refundAddress
) internal returns (MessagingReceipt memory receipt) {
if (_messagingFee.lzTokenFee > 0) _payLzToken(_messagingFee.lzTokenFee);
receipt = ITokenMessaging(tokenMessaging).taxi{ value: _messagingFee.nativeFee }(
TaxiParams({
sender: msg.sender,
dstEid: _sendParam.dstEid,
receiver: _sendParam.to,
amountSD: _amountSD,
composeMsg: _sendParam.composeMsg,
extraOptions: _sendParam.extraOptions
}),
_messagingFee,
_refundAddress
);
}
function _rideBus(
SendParam calldata _sendParam,
MessagingFee memory _messagingFee,
uint64 _amountSD,
address _refundAddress
) internal virtual returns (MessagingReceipt memory receipt, Ticket memory ticket) {
if (_messagingFee.lzTokenFee > 0) revert Stargate_LzTokenUnavailable();
(receipt, ticket) = ITokenMessaging(tokenMessaging).rideBus(
RideBusParams({
sender: msg.sender,
dstEid: _sendParam.dstEid,
receiver: _sendParam.to,
amountSD: _amountSD,
nativeDrop: _sendParam.extraOptions.length > 0
})
);
uint256 busFare = receipt.fee.nativeFee;
uint256 providedFare = _messagingFee.nativeFee;
if (busFare == providedFare) {
} else if (providedFare > busFare) {
uint256 refund;
unchecked {
refund = providedFare - busFare;
}
Transfer.transferNative(_refundAddress, refund, false);
} else {
revert Stargate_InsufficientFare();
}
}
function _payLzToken(uint256 _lzTokenFee) internal {
address lzTkn = lzToken;
if (lzTkn == address(0)) revert Stargate_LzTokenUnavailable();
Transfer.safeTransferTokenFrom(lzTkn, msg.sender, address(endpoint), _lzTokenFee);
}
function _sd2ld(uint64 _amountSD) internal view returns (uint256 amountLD) {
unchecked {
amountLD = _amountSD * convertRate;
}
}
function _ld2sd(uint256 _amountLD) internal view returns (uint64 amountSD) {
unchecked {
amountSD = SafeCast.toUint64(_amountLD / convertRate);
}
}
function _isTaxiMode(bytes calldata _oftCmd) internal pure returns (bool) {
return _oftCmd.length == 0;
}
function _capReward(
uint64 _amountOutSD,
uint64 _reward
) internal view virtual returns (uint64 newAmountOutSD, uint64 newReward);
function _inflow(address _from, uint256 _amountLD) internal virtual returns (uint64 amountSD);
function _outflow(address _to, uint256 _amountLD) internal virtual returns (bool success);
function _safeOutflow(address _to, uint256 _amountLD) internal virtual {
bool success = _outflow(_to, _amountLD);
if (!success) revert Stargate_OutflowFailed();
}
function _assertMessagingFee(
MessagingFee memory _fee,
uint256
) internal view virtual returns (MessagingFee memory) {
if (_fee.nativeFee != msg.value) revert Stargate_InvalidAmount();
return _fee;
}
function _assertMsgValue(uint256 ) internal view virtual {
if (msg.value > 0) revert Stargate_InvalidAmount();
}
function _buildFeeParams(
uint32 _dstEid,
uint64 _amountInSD,
bool _isTaxi
) internal view virtual returns (FeeParams memory);
function _postInflow(uint64 _amountSD) internal virtual {}
function _postOutflow(uint64 _amountSD) internal virtual {}
}
文件 43 的 47：StargatePool.sol
pragma solidity ^0.8.22;
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { StargateType, MessagingReceipt, MessagingFee, SendParam, OFTReceipt } from "./interfaces/IStargate.sol";
import { IStargatePool } from "./interfaces/IStargatePool.sol";
import { ITokenMessaging, TaxiParams } from "./interfaces/ITokenMessaging.sol";
import { Transfer } from "./libs/Transfer.sol";
import { StargateBase, FeeParams } from "./StargateBase.sol";
import { LPToken } from "./utils/LPToken.sol";
contract StargatePool is StargateBase, IStargatePool {
LPToken internal immutable lp;
uint64 internal tvlSD;
uint64 internal poolBalanceSD;
uint64 internal deficitOffsetSD;
event Deposited(address indexed payer, address indexed receiver, uint256 amountLD);
event Redeemed(address indexed payer, address indexed receiver, uint256 amountLD);
error Stargate_OnlyTaxi();
constructor(
string memory _lpTokenName,
string memory _lpTokenSymbol,
address _token,
uint8 _tokenDecimals,
uint8 _sharedDecimals,
address _endpoint,
address _owner
) StargateBase(_token, _tokenDecimals, _sharedDecimals, _endpoint, _owner) {
lp = new LPToken(_lpTokenName, _lpTokenSymbol, _tokenDecimals);
}
function deposit(
address _receiver,
uint256 _amountLD
) external payable nonReentrantAndNotPaused returns (uint256 amountLD) {
_assertMsgValue(_amountLD);
uint64 amountSD = _inflow(msg.sender, _amountLD);
_postInflow(amountSD);
amountLD = _sd2ld(amountSD);
lp.mint(_receiver, amountLD);
tvlSD += amountSD;
emit Deposited(msg.sender, _receiver, amountLD);
}
function redeem(uint256 _amountLD, address _receiver) external nonReentrantAndNotPaused returns (uint256 amountLD) {
uint64 amountSD = _ld2sd(_amountLD);
paths[localEid].decreaseCredit(amountSD);
amountLD = _sd2ld(amountSD);
lp.burnFrom(msg.sender, amountLD);
tvlSD -= amountSD;
_safeOutflow(_receiver, amountLD);
_postOutflow(amountSD);
emit Redeemed(msg.sender, _receiver, amountLD);
}
function redeemSend(
SendParam calldata _sendParam,
MessagingFee calldata _fee,
address _refundAddress
)
external
payable
nonReentrantAndNotPaused
returns (MessagingReceipt memory msgReceipt, OFTReceipt memory oftReceipt)
{
if (!_isTaxiMode(_sendParam.oftCmd)) revert Stargate_OnlyTaxi();
uint64 amountInSD = _ld2sd(_sendParam.amountLD);
uint256 amountInLD = _sd2ld(amountInSD);
lp.burnFrom(msg.sender, amountInLD);
emit Redeemed(msg.sender, address(0), amountInLD);
FeeParams memory feeParams = _buildFeeParams(_sendParam.dstEid, amountInSD, true);
uint64 amountOutSD = _chargeFee(feeParams, _ld2sd(_sendParam.minAmountLD));
tvlSD -= amountInSD;
paths[_sendParam.dstEid].decreaseCredit(amountOutSD);
if (amountInSD > amountOutSD) {
uint64 fee = amountInSD - amountOutSD;
paths[localEid].decreaseCredit(fee);
poolBalanceSD -= fee;
} else if (amountInSD < amountOutSD) {
uint64 reward = amountOutSD - amountInSD;
paths[localEid].increaseCredit(reward);
poolBalanceSD += reward;
}
MessagingFee memory messagingFee = _assertMessagingFee(_fee, 0);
msgReceipt = _taxi(_sendParam, messagingFee, amountOutSD, _refundAddress);
oftReceipt = OFTReceipt(amountInLD, _sd2ld(amountOutSD));
emit OFTSent(msgReceipt.guid, _sendParam.dstEid, msg.sender, amountInLD, oftReceipt.amountReceivedLD);
}
function redeemable(address _owner) external view returns (uint256 amountLD) {
uint256 cap = _sd2ld(paths[localEid].credit);
if (_owner == address(0)) {
amountLD = cap;
} else {
uint256 userLp = lp.balanceOf(_owner);
amountLD = cap > userLp ? userLp : cap;
}
}
function quoteRedeemSend(
SendParam calldata _sendParam,
bool _payInLzToken
) external view returns (MessagingFee memory fee) {
if (!_isTaxiMode(_sendParam.oftCmd)) revert Stargate_OnlyTaxi();
uint64 amountInSD = _ld2sd(_sendParam.amountLD);
fee = ITokenMessaging(tokenMessaging).quoteTaxi(
TaxiParams({
sender: msg.sender,
dstEid: _sendParam.dstEid,
receiver: _sendParam.to,
amountSD: amountInSD,
composeMsg: _sendParam.composeMsg,
extraOptions: _sendParam.extraOptions
}),
_payInLzToken
);
}
function tvl() external view override returns (uint256) {
return _sd2ld(tvlSD);
}
function poolBalance() external view override returns (uint256) {
return _sd2ld(poolBalanceSD);
}
function deficitOffset() external view returns (uint256) {
return _sd2ld(deficitOffsetSD);
}
function stargateType() external pure override returns (StargateType) {
return StargateType.Pool;
}
function lpToken() external view override returns (address) {
return address(lp);
}
function _capReward(uint64 _amountOutSD, uint64 _reward) internal view override returns (uint64, uint64) {
uint64 rewardCap = treasuryFee;
if (_reward > rewardCap) {
unchecked {
return (_amountOutSD - _reward + rewardCap, rewardCap);
}
} else {
return (_amountOutSD, _reward);
}
}
function _postInflow(uint64 _amountSD) internal override {
paths[localEid].increaseCredit(_amountSD);
poolBalanceSD += _amountSD;
}
function _postOutflow(uint64 _amountSD) internal override {
poolBalanceSD -= _amountSD;
}
function _inflow(address _from, uint256 _amountLD) internal virtual override returns (uint64 amountSD) {
amountSD = _ld2sd(_amountLD);
Transfer.safeTransferTokenFrom(token, _from, address(this), _sd2ld(amountSD));
}
function _outflow(address _to, uint256 _amountLD) internal virtual override returns (bool success) {
success = Transfer.transferToken(token, _to, _amountLD);
}
function _buildFeeParams(
uint32 _dstEid,
uint64 _amountInSD,
bool _isTaxi
) internal view override returns (FeeParams memory) {
uint64 t = tvlSD + deficitOffsetSD;
uint64 deficitSD = t > poolBalanceSD ? t - poolBalanceSD : 0;
return FeeParams(msg.sender, _dstEid, _amountInSD, deficitSD, paths[_dstEid].isOFTPath(), _isTaxi);
}
function recoverToken(
address _token,
address _to,
uint256 _amount
) public virtual override onlyCaller(treasurer) returns (uint256) {
if (_token == token) {
uint256 cap = _thisBalance() - _sd2ld(poolBalanceSD + treasuryFee);
_amount = _amount > cap ? cap : _amount;
}
return super.recoverToken(_token, _to, _amount);
}
function _thisBalance() internal view virtual returns (uint256) {
return IERC20(token).balanceOf(address(this));
}
function setDeficitOffset(uint256 _deficitOffsetLD) external onlyCaller(planner) {
deficitOffsetSD = _ld2sd(_deficitOffsetLD);
}
}
文件 44 的 47：StargatePoolMigratable.sol
pragma solidity ^0.8.22;
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { IERC20Minter } from "./interfaces/IERC20Minter.sol";
import { StargatePool } from "./StargatePool.sol";
contract StargatePoolMigratable is StargatePool {
error StargatePoolMigratable_BurnAmountExceedsBalance();
address public burnAdmin;
uint64 public burnAllowanceSD;
constructor(
string memory _lpTokenName,
string memory _lpTokenSymbol,
address _token,
uint8 _tokenDecimals,
uint8 _sharedDecimals,
address _endpoint,
address _owner
) StargatePool(_lpTokenName, _lpTokenSymbol, _token, _tokenDecimals, _sharedDecimals, _endpoint, _owner) {}
function allowBurn(address _burnAdmin, uint64 _burnAllowanceSD) external onlyOwner {
burnAdmin = _burnAdmin;
burnAllowanceSD = _burnAllowanceSD;
}
function burnLocked() external onlyCaller(burnAdmin) {
if (burnAllowanceSD > poolBalanceSD) revert StargatePoolMigratable_BurnAmountExceedsBalance();
uint64 previousBurnAllowanceSD = burnAllowanceSD;
poolBalanceSD -= burnAllowanceSD;
burnAllowanceSD = 0;
uint256 burnAllowanceLD = _sd2ld(previousBurnAllowanceSD);
IERC20(token).approve(address(this), burnAllowanceLD);
IERC20Minter(token).burnFrom(address(this), burnAllowanceLD);
paths[localEid].burnCredit(previousBurnAllowanceSD);
}
}
文件 45 的 47：StorageSlot.sol
pragma solidity ^0.8.0;
library StorageSlot {
struct AddressSlot {
address value;
}
struct BooleanSlot {
bool value;
}
struct Bytes32Slot {
bytes32 value;
}
struct Uint256Slot {
uint256 value;
}
struct StringSlot {
string value;
}
struct BytesSlot {
bytes value;
}
function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
assembly {
r.slot := slot
}
}
function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
assembly {
r.slot := slot
}
}
function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
assembly {
r.slot := slot
}
}
function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
assembly {
r.slot := slot
}
}
function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
assembly {
r.slot := slot
}
}
function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
assembly {
r.slot := store.slot
}
}
function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
assembly {
r.slot := slot
}
}
function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
assembly {
r.slot := store.slot
}
}
}
文件 46 的 47：Strings.sol
pragma solidity ^0.8.0;
import "./math/Math.sol";
import "./math/SignedMath.sol";
library Strings {
bytes16 private constant _SYMBOLS = "0123456789abcdef";
uint8 private constant _ADDRESS_LENGTH = 20;
function toString(uint256 value) internal pure returns (string memory) {
unchecked {
uint256 length = Math.log10(value) + 1;
string memory buffer = new string(length);
uint256 ptr;
assembly {
ptr := add(buffer, add(32, length))
}
while (true) {
ptr--;
assembly {
mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
}
value /= 10;
if (value == 0) break;
}
return buffer;
}
}
function toString(int256 value) internal pure returns (string memory) {
return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value))));
}
function toHexString(uint256 value) internal pure returns (string memory) {
unchecked {
return toHexString(value, Math.log256(value) + 1);
}
}
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
function toHexString(address addr) internal pure returns (string memory) {
return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
}
function equal(string memory a, string memory b) internal pure returns (bool) {
return keccak256(bytes(a)) == keccak256(bytes(b));
}
}
文件 47 的 47：Transfer.sol
pragma solidity ^0.8.22;
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
contract Transfer is Ownable {
error Transfer_TransferFailed();
error Transfer_ApproveFailed();
uint256 internal transferGasLimit = 2300;
function getTransferGasLimit() external view returns (uint256) {
return transferGasLimit;
}
function setTransferGasLimit(uint256 _gasLimit) external onlyOwner {
transferGasLimit = _gasLimit;
}
function transferNative(address _to, uint256 _value, bool _gasLimited) internal returns (bool success) {
uint256 gasForCall = _gasLimited ? transferGasLimit : gasleft();
assembly {
success := call(gasForCall, _to, _value, 0, 0, 0, 0)
}
}
function transferToken(address _token, address _to, uint256 _value) internal returns (bool success) {
success = _call(_token, abi.encodeWithSelector(IERC20(_token).transfer.selector, _to, _value));
}
function transferTokenFrom(
address _token,
address _from,
address _to,
uint256 _value
) internal returns (bool success) {
success = _call(_token, abi.encodeWithSelector(IERC20(_token).transferFrom.selector, _from, _to, _value));
}
function transfer(address _token, address _to, uint256 _value, bool _gasLimited) internal returns (bool success) {
if (_token == address(0)) {
success = transferNative(_to, _value, _gasLimited);
} else {
success = transferToken(_token, _to, _value);
}
}
function approveToken(address _token, address _spender, uint256 _value) internal returns (bool success) {
success = _call(_token, abi.encodeWithSelector(IERC20(_token).approve.selector, _spender, _value));
}
function safeTransferNative(address _to, uint256 _value, bool _gasLimited) internal {
if (!transferNative(_to, _value, _gasLimited)) revert Transfer_TransferFailed();
}
function safeTransferToken(address _token, address _to, uint256 _value) internal {
if (!transferToken(_token, _to, _value)) revert Transfer_TransferFailed();
}
function safeTransferTokenFrom(address _token, address _from, address _to, uint256 _value) internal {
if (!transferTokenFrom(_token, _from, _to, _value)) revert Transfer_TransferFailed();
}
function safeTransfer(address _token, address _to, uint256 _value, bool _gasLimited) internal {
if (!transfer(_token, _to, _value, _gasLimited)) revert Transfer_TransferFailed();
}
function safeApproveToken(address _token, address _spender, uint256 _value) internal {
if (!approveToken(_token, _spender, _value)) revert Transfer_ApproveFailed();
}
function forceApproveToken(address _token, address _spender, uint256 _value) internal {
if (!approveToken(_token, _spender, _value)) {
safeApproveToken(_token, _spender, 0);
safeApproveToken(_token, _spender, _value);
}
}
function _call(address _token, bytes memory _data) private returns (bool success) {
(bool s, bytes memory returndata) = _token.call(_data);
success = s ? returndata.length == 0 || abi.decode(returndata, (bool)) : false;
}
}
{
"compilationTarget": {
"src/StargatePoolMigratable.sol": "StargatePoolMigratable"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 5000
},
"remappings": []
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