Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
- Contract name:
- Bridge
- Optimization enabled
- true
- Compiler version
- v0.8.24+commit.e11b9ed9
- Optimization runs
- 200
- EVM Version
- cancun
- Verified at
- 2024-05-27T09:10:59.053725Z
contracts/bridge/Bridge.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;
import "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/ERC20VotesUpgradeable.sol";
import "../common/EssentialContract.sol";
import "../common/LibStrings.sol";
import "../libs/LibAddress.sol";
import "../libs/LibMath.sol";
import "../signal/ISignalService.sol";
import "./IBridge.sol";
import "./IQuotaManager.sol";
/// @title Bridge
/// @notice See the documentation for {IBridge}.
/// @dev Labeled in AddressResolver as "bridge". Additionally, the code hash for the same address on
/// L1 and L2 may be different.
/// @custom:security-contact security@taiko.xyz
contract Bridge is EssentialContract, IBridge {
using Address for address;
using LibMath for uint256;
using LibAddress for address;
using LibAddress for address payable;
struct ProcessingStats {
uint32 gasUsedInFeeCalc;
uint32 proofSize;
uint32 numCacheOps;
}
/// @dev A debug event for fine-tuning gas related constants in the future.
event MessageProcessed(bytes32 indexed msgHash, Message message, ProcessingStats stats);
/// @dev The amount of gas that will be deducted from message.gasLimit before calculating the
/// invocation gas limit. This value should be fine-tuned with production data.
uint32 public constant GAS_RESERVE = 800_000;
/// @dev The gas overhead for both receiving and invoking a message, as well as the proof
/// calldata cost.
/// This value should be fine-tuned with production data.
uint32 public constant GAS_OVERHEAD = 120_000;
/// @dev The amount of gas not to charge fee per cache operation.
uint256 private constant _GAS_REFUND_PER_CACHE_OPERATION = 20_000;
/// @dev The slot in transient storage of the call context. This is the keccak256 hash
/// of "bridge.ctx_slot"
bytes32 private constant _CTX_SLOT =
0xe4ece82196de19aabe639620d7f716c433d1348f96ce727c9989a982dbadc2b9;
/// @dev Gas limit for sending Ether.
// - EOA gas used is < 21000
// - For Loopring smart wallet, gas used is about 23000
// - For Argent smart wallet on Ethereum, gas used is about 24000
// - For Gnosis Safe wallet, gas used is about 28000
uint256 private constant _SEND_ETHER_GAS_LIMIT = 35_000;
/// @dev Place holder value when not using transient storage
uint256 private constant _PLACEHOLDER = type(uint256).max;
/// @notice The next message ID.
/// @dev Slot 1.
uint64 private __reserved1;
uint64 public nextMessageId;
/// @notice Mapping to store the status of a message from its hash.
/// @dev Slot 2.
mapping(bytes32 msgHash => Status status) public messageStatus;
/// @dev Slots 3 and 4
Context private __ctx;
/// @dev Slot 5.
uint256 private __reserved2;
/// @dev Slot 6.
uint256 private __reserved3;
uint256[44] private __gap;
error B_INVALID_CHAINID();
error B_INVALID_CONTEXT();
error B_INVALID_FEE();
error B_INVALID_GAS_LIMIT();
error B_INVALID_STATUS();
error B_INVALID_VALUE();
error B_INSUFFICIENT_GAS();
error B_MESSAGE_NOT_SENT();
error B_OUT_OF_ETH_QUOTA();
error B_PERMISSION_DENIED();
error B_RETRY_FAILED();
error B_SIGNAL_NOT_RECEIVED();
modifier sameChain(uint64 _chainId) {
if (_chainId != block.chainid) revert B_INVALID_CHAINID();
_;
}
modifier diffChain(uint64 _chainId) {
if (_chainId == 0 || _chainId == block.chainid) revert B_INVALID_CHAINID();
_;
}
/// @notice Initializes the contract.
/// @param _owner The owner of this contract. msg.sender will be used if this value is zero.
/// @param _addressManager The address of the {AddressManager} contract.
function init(address _owner, address _addressManager) external initializer {
__Essential_init(_owner, _addressManager);
}
function init2() external onlyOwner reinitializer(2) {
// reset some previously used slots for future reuse
__reserved1 = 0;
__reserved2 = 0;
__reserved3 = 0;
}
/// @notice Delegates a given token's voting power to the bridge itself.
/// @param _anyToken Any token that supports delegation.
function selfDelegate(address _anyToken) external nonZeroAddr(_anyToken) {
ERC20VotesUpgradeable(_anyToken).delegate(address(this));
}
/// @inheritdoc IBridge
function sendMessage(Message calldata _message)
external
payable
override
nonZeroAddr(_message.srcOwner)
nonZeroAddr(_message.destOwner)
diffChain(_message.destChainId)
whenNotPaused
nonReentrant
returns (bytes32 msgHash_, Message memory message_)
{
if (_message.gasLimit == 0) {
if (_message.fee != 0) revert B_INVALID_FEE();
} else if (_invocationGasLimit(_message, false) == 0) {
revert B_INVALID_GAS_LIMIT();
}
// Check if the destination chain is enabled.
(bool destChainEnabled,) = isDestChainEnabled(_message.destChainId);
// Verify destination chain.
if (!destChainEnabled) revert B_INVALID_CHAINID();
// Ensure the sent value matches the expected amount.
if (_message.value + _message.fee != msg.value) revert B_INVALID_VALUE();
message_ = _message;
// Configure message details and send signal to indicate message sending.
message_.id = nextMessageId++;
message_.from = msg.sender;
message_.srcChainId = uint64(block.chainid);
msgHash_ = hashMessage(message_);
emit MessageSent(msgHash_, message_);
ISignalService(resolve(LibStrings.B_SIGNAL_SERVICE, false)).sendSignal(msgHash_);
}
/// @inheritdoc IBridge
function recallMessage(
Message calldata _message,
bytes calldata _proof
)
external
sameChain(_message.srcChainId)
diffChain(_message.destChainId)
whenNotPaused
nonReentrant
{
bytes32 msgHash = hashMessage(_message);
_checkStatus(msgHash, Status.NEW);
address signalService = resolve(LibStrings.B_SIGNAL_SERVICE, false);
if (!ISignalService(signalService).isSignalSent(address(this), msgHash)) {
revert B_MESSAGE_NOT_SENT();
}
_proveSignalReceived(
signalService, signalForFailedMessage(msgHash), _message.destChainId, _proof
);
_updateMessageStatus(msgHash, Status.RECALLED);
if (!_consumeEtherQuota(_message.value)) revert B_OUT_OF_ETH_QUOTA();
// Execute the recall logic based on the contract's support for the
// IRecallableSender interface
if (_message.from.supportsInterface(type(IRecallableSender).interfaceId)) {
_storeContext(msgHash, address(this), _message.srcChainId);
// Perform recall
IRecallableSender(_message.from).onMessageRecalled{ value: _message.value }(
_message, msgHash
);
// Must reset the context after the message call
_resetContext();
} else {
_message.srcOwner.sendEtherAndVerify(_message.value, _SEND_ETHER_GAS_LIMIT);
}
}
/// @inheritdoc IBridge
/// @dev This transaction's gas limit must not be smaller than:
/// `(message.gasLimit - GAS_RESERVE) * 64 / 63 + GAS_RESERVE`,
/// Or we can use a simplified rule: `tx.gaslimit = message.gaslimit * 102%`.
function processMessage(
Message calldata _message,
bytes calldata _proof
)
external
whenNotPaused
nonReentrant
returns (Status status_, StatusReason reason_)
{
uint256 gasStart = gasleft();
// same as `sameChain(_message.destChainId)` but without stack-too-deep
if (_message.destChainId != block.chainid) revert B_INVALID_CHAINID();
// same as `diffChain(_message.srcChainId)` but without stack-too-deep
if (_message.srcChainId == 0 || _message.srcChainId == block.chainid) {
revert B_INVALID_CHAINID();
}
// If the gas limit is set to zero, only the owner can process the message.
if (_message.gasLimit == 0 && msg.sender != _message.destOwner) {
revert B_PERMISSION_DENIED();
}
bytes32 msgHash = hashMessage(_message);
_checkStatus(msgHash, Status.NEW);
address signalService = resolve(LibStrings.B_SIGNAL_SERVICE, false);
ProcessingStats memory stats;
stats.proofSize = uint32(_proof.length);
stats.numCacheOps =
_proveSignalReceived(signalService, msgHash, _message.srcChainId, _proof);
if (!_consumeEtherQuota(_message.value + _message.fee)) {
if (msg.sender != _message.destOwner) revert B_OUT_OF_ETH_QUOTA();
status_ = Status.RETRIABLE;
reason_ = StatusReason.OUT_OF_ETH_QUOTA;
} else {
uint256 refundAmount;
if (_unableToInvokeMessageCall(_message, signalService)) {
// Handle special addresses that don't require actual invocation but
// mark message as DONE
refundAmount = _message.value;
status_ = Status.DONE;
reason_ = StatusReason.INVOCATION_PROHIBITED;
} else {
uint256 gasLimit = msg.sender == _message.destOwner
? gasleft() // ignore _message.gasLimit
: _invocationGasLimit(_message, true);
if (_invokeMessageCall(_message, msgHash, gasLimit)) {
status_ = Status.DONE;
reason_ = StatusReason.INVOCATION_OK;
} else {
status_ = Status.RETRIABLE;
reason_ = StatusReason.INVOCATION_FAILED;
}
}
if (_message.fee != 0) {
refundAmount += _message.fee;
if (msg.sender != _message.destOwner && _message.gasLimit != 0) {
unchecked {
uint256 refund = stats.numCacheOps * _GAS_REFUND_PER_CACHE_OPERATION;
stats.gasUsedInFeeCalc = uint32(GAS_OVERHEAD + gasStart - gasleft());
uint256 gasCharged = refund.max(stats.gasUsedInFeeCalc) - refund;
uint256 maxFee = gasCharged * _message.fee / _message.gasLimit;
uint256 baseFee = gasCharged * block.basefee;
uint256 fee =
(baseFee >= maxFee ? maxFee : (maxFee + baseFee) >> 1).min(_message.fee);
refundAmount -= fee;
msg.sender.sendEtherAndVerify(fee, _SEND_ETHER_GAS_LIMIT);
}
}
}
_message.destOwner.sendEtherAndVerify(refundAmount, _SEND_ETHER_GAS_LIMIT);
}
_updateMessageStatus(msgHash, status_);
emit MessageProcessed(msgHash, _message, stats);
}
/// @inheritdoc IBridge
function retryMessage(
Message calldata _message,
bool _isLastAttempt
)
external
sameChain(_message.destChainId)
diffChain(_message.srcChainId)
whenNotPaused
nonReentrant
{
bytes32 msgHash = hashMessage(_message);
_checkStatus(msgHash, Status.RETRIABLE);
if (!_consumeEtherQuota(_message.value)) revert B_OUT_OF_ETH_QUOTA();
uint256 invocationGasLimit;
if (msg.sender != _message.destOwner) {
if (_message.gasLimit == 0 || _isLastAttempt) revert B_PERMISSION_DENIED();
invocationGasLimit = _invocationGasLimit(_message, true);
} else {
// The owner uses all gas left in message invocation
invocationGasLimit = gasleft();
}
// Attempt to invoke the messageCall.
if (_invokeMessageCall(_message, msgHash, invocationGasLimit)) {
_updateMessageStatus(msgHash, Status.DONE);
} else if (_isLastAttempt) {
_updateMessageStatus(msgHash, Status.FAILED);
ISignalService(resolve(LibStrings.B_SIGNAL_SERVICE, false)).sendSignal(
signalForFailedMessage(msgHash)
);
} else {
revert B_RETRY_FAILED();
}
}
/// @inheritdoc IBridge
function failMessage(Message calldata _message)
external
sameChain(_message.destChainId)
diffChain(_message.srcChainId)
whenNotPaused
nonReentrant
{
if (msg.sender != _message.destOwner) revert B_PERMISSION_DENIED();
bytes32 msgHash = hashMessage(_message);
_checkStatus(msgHash, Status.RETRIABLE);
_updateMessageStatus(msgHash, Status.FAILED);
ISignalService(resolve(LibStrings.B_SIGNAL_SERVICE, false)).sendSignal(
signalForFailedMessage(msgHash)
);
}
/// @inheritdoc IBridge
function isMessageSent(Message calldata _message) external view returns (bool) {
if (_message.srcChainId != block.chainid) return false;
return ISignalService(resolve(LibStrings.B_SIGNAL_SERVICE, false)).isSignalSent({
_app: address(this),
_signal: hashMessage(_message)
});
}
/// @notice Checks if a msgHash has failed on its destination chain.
/// This is the 'readonly' version of proveMessageFailed.
/// @param _message The message.
/// @param _proof The merkle inclusion proof.
/// @return true if the message has failed, false otherwise.
function isMessageFailed(
Message calldata _message,
bytes calldata _proof
)
external
view
returns (bool)
{
if (_message.srcChainId != block.chainid) return false;
return _isSignalReceived(
resolve(LibStrings.B_SIGNAL_SERVICE, false),
signalForFailedMessage(hashMessage(_message)),
_message.destChainId,
_proof
);
}
/// @notice Checks if a msgHash has been received on its source chain.
/// This is the 'readonly' version of proveMessageReceived.
/// @param _message The message.
/// @param _proof The merkle inclusion proof.
/// @return true if the message has been received, false otherwise.
function isMessageReceived(
Message calldata _message,
bytes calldata _proof
)
external
view
returns (bool)
{
if (_message.destChainId != block.chainid) return false;
return _isSignalReceived(
resolve(LibStrings.B_SIGNAL_SERVICE, false),
hashMessage(_message),
_message.srcChainId,
_proof
);
}
/// @notice Checks if the destination chain is enabled.
/// @param _chainId The destination chain ID.
/// @return enabled_ True if the destination chain is enabled.
/// @return destBridge_ The bridge of the destination chain.
function isDestChainEnabled(uint64 _chainId)
public
view
returns (bool enabled_, address destBridge_)
{
destBridge_ = resolve(_chainId, LibStrings.B_BRIDGE, true);
enabled_ = destBridge_ != address(0);
}
/// @notice Gets the current context.
/// @inheritdoc IBridge
function context() external view returns (Context memory ctx_) {
ctx_ = _loadContext();
if (ctx_.msgHash == 0 || ctx_.msgHash == bytes32(_PLACEHOLDER)) {
revert B_INVALID_CONTEXT();
}
}
/// @inheritdoc IBridge
function hashMessage(Message memory _message) public pure returns (bytes32) {
return keccak256(abi.encode("TAIKO_MESSAGE", _message));
}
/// @notice Returns a signal representing a failed/recalled message.
/// @param _msgHash The message hash.
/// @return The failed representation of it as bytes32.
function signalForFailedMessage(bytes32 _msgHash) public pure returns (bytes32) {
return _msgHash ^ bytes32(uint256(Status.FAILED));
}
/// @notice Returns the minimal gas limit required for sending a given message.
/// @param dataLength The length of message.data.
/// @return The minimal gas limit required for sending this message.
function getMessageMinGasLimit(uint256 dataLength) public pure returns (uint32) {
unchecked {
// The abi encoding of A = (Message calldata msg) is 10 * 32 bytes
// + 32 bytes (A is a dynamic tuple, offset to first elements)
// + 32 bytes (offset to last bytes element of Message)
// + 32 bytes (padded encoding of length of Message.data + dataLength (padded to 32
// bytes)
// = 13 * 32 + (dataLength / 32 * 32) + 32.
// non-zero calldata cost per byte is 16.
uint256 dataCost = (dataLength / 32 * 32 + 448) << 4;
return SafeCastUpgradeable.toUint32(dataCost + GAS_RESERVE);
}
}
/// @notice Checks if the given address can pause and/or unpause the bridge.
/// @dev Considering that the watchdog is a hot wallet, in case its private key is leaked, we
/// only allow watchdog to pause the bridge, but does not allow it to unpause the bridge.
function _authorizePause(address addr, bool toPause) internal view override {
// Owenr and chain_pauser can pause/unpause the bridge.
if (addr == owner() || addr == resolve(LibStrings.B_CHAIN_WATCHDOG, true)) return;
// bridge_watchdog can pause the bridge, but cannot unpause it.
if (toPause && addr == resolve(LibStrings.B_BRIDGE_WATCHDOG, true)) return;
revert RESOLVER_DENIED();
}
/// @notice Invokes a call message on the Bridge.
/// @param _message The call message to be invoked.
/// @param _msgHash The hash of the message.
/// @return success_ A boolean value indicating whether the message call was successful.
/// @dev This function updates the context in the state before and after the
/// message call.
function _invokeMessageCall(
Message calldata _message,
bytes32 _msgHash,
uint256 _gasLimit
)
private
returns (bool success_)
{
assert(_message.from != address(this));
if (_gasLimit == 0) return false;
_storeContext(_msgHash, _message.from, _message.srcChainId);
success_ = _message.to.sendEther(_message.value, _gasLimit, _message.data);
_resetContext();
}
/// @notice Updates the status of a bridge message.
/// @dev If the new status is different from the current status in the
/// mapping, the status is updated and an event is emitted.
/// @param _msgHash The hash of the message.
/// @param _status The new status of the message.
function _updateMessageStatus(bytes32 _msgHash, Status _status) private {
if (messageStatus[_msgHash] == _status) revert B_INVALID_STATUS();
messageStatus[_msgHash] = _status;
emit MessageStatusChanged(_msgHash, _status);
}
/// @notice Resets the call context
function _resetContext() private {
if (LibNetwork.isDencunSupported(block.chainid)) {
_storeContext(bytes32(0), address(0), uint64(0));
} else {
_storeContext(
bytes32(_PLACEHOLDER), address(uint160(_PLACEHOLDER)), uint64(_PLACEHOLDER)
);
}
}
/// @notice Stores the call context
/// @param _msgHash The message hash.
/// @param _from The sender's address.
/// @param _srcChainId The source chain ID.
function _storeContext(bytes32 _msgHash, address _from, uint64 _srcChainId) private {
if (LibNetwork.isDencunSupported(block.chainid)) {
assembly {
tstore(_CTX_SLOT, _msgHash)
tstore(add(_CTX_SLOT, 1), _from)
tstore(add(_CTX_SLOT, 2), _srcChainId)
}
} else {
__ctx = Context(_msgHash, _from, _srcChainId);
}
}
/// @notice Loads and returns the call context.
/// @return ctx_ The call context.
function _loadContext() private view returns (Context memory) {
if (LibNetwork.isDencunSupported(block.chainid)) {
bytes32 msgHash;
address from;
uint64 srcChainId;
assembly {
msgHash := tload(_CTX_SLOT)
from := tload(add(_CTX_SLOT, 1))
srcChainId := tload(add(_CTX_SLOT, 2))
}
return Context(msgHash, from, srcChainId);
} else {
return __ctx;
}
}
/// @notice Checks if the signal was received and caches cross-chain data if requested.
/// @param _signalService The signal service address.
/// @param _signal The signal.
/// @param _chainId The ID of the chain the signal is stored on.
/// @param _proof The merkle inclusion proof.
/// @return numCacheOps_ Num of cached items
function _proveSignalReceived(
address _signalService,
bytes32 _signal,
uint64 _chainId,
bytes calldata _proof
)
private
returns (uint32 numCacheOps_)
{
try ISignalService(_signalService).proveSignalReceived(
_chainId, resolve(_chainId, LibStrings.B_BRIDGE, false), _signal, _proof
) returns (uint256 numCacheOps) {
numCacheOps_ = uint32(numCacheOps);
} catch {
revert B_SIGNAL_NOT_RECEIVED();
}
}
/// @notice Checks if the signal was received.
/// This is the 'readonly' version of _proveSignalReceived.
/// @param _signalService The signal service address.
/// @param _signal The signal.
/// @param _chainId The ID of the chain the signal is stored on.
/// @param _proof The merkle inclusion proof.
/// @return true if the message was received.
function _isSignalReceived(
address _signalService,
bytes32 _signal,
uint64 _chainId,
bytes calldata _proof
)
private
view
returns (bool)
{
try ISignalService(_signalService).verifySignalReceived(
_chainId, resolve(_chainId, LibStrings.B_BRIDGE, false), _signal, _proof
) {
return true;
} catch {
return false;
}
}
function _invocationGasLimit(
Message calldata _message,
bool _checkThe63Over64Rule
)
private
view
returns (uint256 gasLimit_)
{
unchecked {
uint256 minGasRequired = getMessageMinGasLimit(_message.data.length);
gasLimit_ = minGasRequired.max(_message.gasLimit) - minGasRequired;
}
if (_checkThe63Over64Rule && (gasleft() * 63) >> 6 < gasLimit_) {
revert B_INSUFFICIENT_GAS();
}
}
function _checkStatus(bytes32 _msgHash, Status _expectedStatus) private view {
if (messageStatus[_msgHash] != _expectedStatus) revert B_INVALID_STATUS();
}
function _consumeEtherQuota(uint256 _amount) private returns (bool) {
address quotaManager = resolve(LibStrings.B_QUOTA_MANAGER, true);
if (quotaManager == address(0)) return true;
try IQuotaManager(quotaManager).consumeQuota(address(0), _amount) {
return true;
} catch {
return false;
}
}
function _unableToInvokeMessageCall(
Message calldata _message,
address _signalService
)
internal
view
returns (bool)
{
if (_message.to == address(0)) return true;
if (_message.to == address(this)) return true;
if (_message.to == _signalService) return true;
return _message.data.length >= 4
&& bytes4(_message.data) != IMessageInvocable.onMessageInvocation.selector
&& _message.to.isContract();
}
}
node_modules/@openzeppelin/contracts-upgradeable/token/ERC20/extensions/ERC20PermitUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/ERC20Permit.sol)
pragma solidity ^0.8.0;
import "./IERC20PermitUpgradeable.sol";
import "../ERC20Upgradeable.sol";
import "../../../utils/cryptography/ECDSAUpgradeable.sol";
import "../../../utils/cryptography/EIP712Upgradeable.sol";
import "../../../utils/CountersUpgradeable.sol";
import {Initializable} from "../../../proxy/utils/Initializable.sol";
/**
* @dev Implementation of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
* https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
*
* Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
* presenting a message signed by the account. By not relying on `{IERC20-approve}`, the token holder account doesn't
* need to send a transaction, and thus is not required to hold Ether at all.
*
* _Available since v3.4._
*
* @custom:storage-size 51
*/
abstract contract ERC20PermitUpgradeable is Initializable, ERC20Upgradeable, IERC20PermitUpgradeable, EIP712Upgradeable {
using CountersUpgradeable for CountersUpgradeable.Counter;
mapping(address => CountersUpgradeable.Counter) private _nonces;
// solhint-disable-next-line var-name-mixedcase
bytes32 private constant _PERMIT_TYPEHASH =
keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
/**
* @dev In previous versions `_PERMIT_TYPEHASH` was declared as `immutable`.
* However, to ensure consistency with the upgradeable transpiler, we will continue
* to reserve a slot.
* @custom:oz-renamed-from _PERMIT_TYPEHASH
*/
// solhint-disable-next-line var-name-mixedcase
bytes32 private _PERMIT_TYPEHASH_DEPRECATED_SLOT;
/**
* @dev Initializes the {EIP712} domain separator using the `name` parameter, and setting `version` to `"1"`.
*
* It's a good idea to use the same `name` that is defined as the ERC20 token name.
*/
function __ERC20Permit_init(string memory name) internal onlyInitializing {
__EIP712_init_unchained(name, "1");
}
function __ERC20Permit_init_unchained(string memory) internal onlyInitializing {}
/**
* @inheritdoc IERC20PermitUpgradeable
*/
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 = ECDSAUpgradeable.recover(hash, v, r, s);
require(signer == owner, "ERC20Permit: invalid signature");
_approve(owner, spender, value);
}
/**
* @inheritdoc IERC20PermitUpgradeable
*/
function nonces(address owner) public view virtual override returns (uint256) {
return _nonces[owner].current();
}
/**
* @inheritdoc IERC20PermitUpgradeable
*/
// solhint-disable-next-line func-name-mixedcase
function DOMAIN_SEPARATOR() external view override returns (bytes32) {
return _domainSeparatorV4();
}
/**
* @dev "Consume a nonce": return the current value and increment.
*
* _Available since v4.1._
*/
function _useNonce(address owner) internal virtual returns (uint256 current) {
CountersUpgradeable.Counter storage nonce = _nonces[owner];
current = nonce.current();
nonce.increment();
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[49] private __gap;
}
contracts/signal/ISignalService.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;
/// @title ISignalService
/// @notice The SignalService contract serves as a secure cross-chain message
/// passing system. It defines methods for sending and verifying signals with
/// merkle proofs. The trust assumption is that the target chain has secure
/// access to the merkle root (such as Taiko injects it in the anchor
/// transaction). With this, verifying a signal is reduced to simply verifying
/// a merkle proof.
/// @custom:security-contact security@taiko.xyz
interface ISignalService {
enum CacheOption {
CACHE_NOTHING,
CACHE_SIGNAL_ROOT,
CACHE_STATE_ROOT,
CACHE_BOTH
}
struct HopProof {
/// @notice This hop's destination chain ID. If there is a next hop, this ID is the next
/// hop's source chain ID.
uint64 chainId;
/// @notice The ID of a source chain block whose state root has been synced to the hop's
/// destination chain.
/// Note that this block ID must be greater than or equal to the block ID where the signal
/// was sent on the source chain.
uint64 blockId;
/// @notice The state root or signal root of the source chain at the above blockId. This
/// value has been synced to the destination chain.
/// @dev To get both the blockId and the rootHash, apps should subscribe to the
/// ChainDataSynced event or query `topBlockId` first using the source chain's ID and
/// LibStrings.H_STATE_ROOT to get the most recent block ID synced, then call
/// `getSyncedChainData` to read the synchronized data.
bytes32 rootHash;
/// @notice Options to cache either the state roots or signal roots of middle-hops to the
/// current chain.
CacheOption cacheOption;
/// @notice The signal service's account proof. If this value is empty, then `rootHash` will
/// be used as the signal root, otherwise, `rootHash` will be used as the state root.
bytes[] accountProof;
/// @notice The signal service's storage proof.
bytes[] storageProof;
}
/// @notice Emitted when a remote chain's state root or signal root is
/// synced locally as a signal.
/// @param chainId The remote chainId.
/// @param blockId The chain data's corresponding blockId.
/// @param kind A value to mark the data type.
/// @param data The remote data.
/// @param signal The signal for this chain data.
event ChainDataSynced(
uint64 indexed chainId,
uint64 indexed blockId,
bytes32 indexed kind,
bytes32 data,
bytes32 signal
);
/// @notice Emitted when a signal is sent.
/// @param app The address that initiated the signal.
/// @param signal The signal (message) that was sent.
/// @param slot The location in storage where this signal is stored.
/// @param value The value of the signal.
event SignalSent(address app, bytes32 signal, bytes32 slot, bytes32 value);
/// @notice Emitted when an address is authorized or deauthorized.
/// @param addr The address to be authorized or deauthorized.
/// @param authorized True if authorized, false otherwise.
event Authorized(address indexed addr, bool authorized);
/// @notice Send a signal (message) by setting the storage slot to a value of 1.
/// @param _signal The signal (message) to send.
/// @return slot_ The location in storage where this signal is stored.
function sendSignal(bytes32 _signal) external returns (bytes32 slot_);
/// @notice Sync a data from a remote chain locally as a signal. The signal is calculated
/// uniquely from chainId, kind, and data.
/// @param _chainId The remote chainId.
/// @param _kind A value to mark the data type.
/// @param _blockId The chain data's corresponding blockId
/// @param _chainData The remote data.
/// @return signal_ The signal for this chain data.
function syncChainData(
uint64 _chainId,
bytes32 _kind,
uint64 _blockId,
bytes32 _chainData
)
external
returns (bytes32 signal_);
/// @notice Verifies if a signal has been received on the target chain.
/// @param _chainId The identifier for the source chain from which the
/// signal originated.
/// @param _app The address that initiated the signal.
/// @param _signal The signal (message) to send.
/// @param _proof Merkle proof that the signal was persisted on the
/// source chain.
/// @return numCacheOps_ The number of newly cached items.
function proveSignalReceived(
uint64 _chainId,
address _app,
bytes32 _signal,
bytes calldata _proof
)
external
returns (uint256 numCacheOps_);
/// @notice Verifies if a signal has been received on the target chain.
/// This is the "readonly" version of proveSignalReceived.
/// @param _chainId The identifier for the source chain from which the
/// signal originated.
/// @param _app The address that initiated the signal.
/// @param _signal The signal (message) to send.
/// @param _proof Merkle proof that the signal was persisted on the
/// source chain.
function verifySignalReceived(
uint64 _chainId,
address _app,
bytes32 _signal,
bytes calldata _proof
)
external
view;
/// @notice Verifies if a particular signal has already been sent.
/// @param _app The address that initiated the signal.
/// @param _signal The signal (message) that was sent.
/// @return true if the signal has been sent, otherwise false.
function isSignalSent(address _app, bytes32 _signal) external view returns (bool);
/// @notice Checks if a chain data has been synced.
/// uniquely from chainId, kind, and data.
/// @param _chainId The remote chainId.
/// @param _kind A value to mark the data type.
/// @param _blockId The chain data's corresponding blockId
/// @param _chainData The remote data.
/// @return true if the data has been synced, otherwise false.
function isChainDataSynced(
uint64 _chainId,
bytes32 _kind,
uint64 _blockId,
bytes32 _chainData
)
external
view
returns (bool);
/// @notice Returns the given block's chain data.
/// @param _chainId Identifier of the chainId.
/// @param _kind A value to mark the data type.
/// @param _blockId The chain data's corresponding block id. If this value is 0, use the top
/// block id.
/// @return blockId_ The actual block id.
/// @return chainData_ The synced chain data.
function getSyncedChainData(
uint64 _chainId,
bytes32 _kind,
uint64 _blockId
)
external
view
returns (uint64 blockId_, bytes32 chainData_);
/// @notice Returns the data to be used for caching slot generation.
/// @param _chainId Identifier of the chainId.
/// @param _kind A value to mark the data type.
/// @param _blockId The chain data's corresponding block id. If this value is 0, use the top
/// block id.
/// @return signal_ The signal used for caching slot creation.
function signalForChainData(
uint64 _chainId,
bytes32 _kind,
uint64 _blockId
)
external
pure
returns (bytes32 signal_);
}
node_modules/@openzeppelin/contracts/utils/introspection/IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
node_modules/@openzeppelin/contracts/proxy/beacon/IBeacon.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)
pragma solidity ^0.8.0;
/**
* @dev This is the interface that {BeaconProxy} expects of its beacon.
*/
interface IBeacon {
/**
* @dev Must return an address that can be used as a delegate call target.
*
* {BeaconProxy} will check that this address is a contract.
*/
function implementation() external view returns (address);
}
contracts/common/AddressResolver.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "./IAddressManager.sol";
import "./IAddressResolver.sol";
/// @title AddressResolver
/// @notice See the documentation in {IAddressResolver}.
/// @custom:security-contact security@taiko.xyz
abstract contract AddressResolver is IAddressResolver, Initializable {
/// @notice Address of the AddressManager.
address public addressManager;
uint256[49] private __gap;
error RESOLVER_DENIED();
error RESOLVER_INVALID_MANAGER();
error RESOLVER_UNEXPECTED_CHAINID();
error RESOLVER_ZERO_ADDR(uint64 chainId, bytes32 name);
/// @dev Modifier that ensures the caller is the resolved address of a given
/// name.
/// @param _name The name to check against.
modifier onlyFromNamed(bytes32 _name) {
if (msg.sender != resolve(_name, true)) revert RESOLVER_DENIED();
_;
}
/// @dev Modifier that ensures the caller is a resolved address to either _name1 or _name2
/// name.
/// @param _name1 The first name to check against.
/// @param _name2 The second name to check against.
modifier onlyFromNamedEither(bytes32 _name1, bytes32 _name2) {
if (msg.sender != resolve(_name1, true) && msg.sender != resolve(_name2, true)) {
revert RESOLVER_DENIED();
}
_;
}
/// @custom:oz-upgrades-unsafe-allow constructor
constructor() {
_disableInitializers();
}
/// @inheritdoc IAddressResolver
function resolve(
bytes32 _name,
bool _allowZeroAddress
)
public
view
virtual
returns (address payable)
{
return _resolve(uint64(block.chainid), _name, _allowZeroAddress);
}
/// @inheritdoc IAddressResolver
function resolve(
uint64 _chainId,
bytes32 _name,
bool _allowZeroAddress
)
public
view
virtual
returns (address payable)
{
return _resolve(_chainId, _name, _allowZeroAddress);
}
/// @dev Initialization method for setting up AddressManager reference.
/// @param _addressManager Address of the AddressManager.
function __AddressResolver_init(address _addressManager) internal virtual onlyInitializing {
if (block.chainid > type(uint64).max) {
revert RESOLVER_UNEXPECTED_CHAINID();
}
addressManager = _addressManager;
}
/// @dev Helper method to resolve name-to-address.
/// @param _chainId The chainId of interest.
/// @param _name Name whose address is to be resolved.
/// @param _allowZeroAddress If set to true, does not throw if the resolved
/// address is `address(0)`.
/// @return addr_ Address associated with the given name on the specified
/// chain.
function _resolve(
uint64 _chainId,
bytes32 _name,
bool _allowZeroAddress
)
private
view
returns (address payable addr_)
{
address _addressManager = addressManager;
if (_addressManager == address(0)) revert RESOLVER_INVALID_MANAGER();
addr_ = payable(IAddressManager(_addressManager).getAddress(_chainId, _name));
if (!_allowZeroAddress && addr_ == address(0)) {
revert RESOLVER_ZERO_ADDR(_chainId, _name);
}
}
}
node_modules/@openzeppelin/contracts-upgradeable/access/Ownable2StepUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable2Step.sol)
pragma solidity ^0.8.0;
import "./OwnableUpgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.sol";
/**
* @dev Contract module which provides access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership} and {acceptOwnership}.
*
* This module is used through inheritance. It will make available all functions
* from parent (Ownable).
*/
abstract contract Ownable2StepUpgradeable is Initializable, OwnableUpgradeable {
address private _pendingOwner;
event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner);
function __Ownable2Step_init() internal onlyInitializing {
__Ownable_init_unchained();
}
function __Ownable2Step_init_unchained() internal onlyInitializing {
}
/**
* @dev Returns the address of the pending owner.
*/
function pendingOwner() public view virtual returns (address) {
return _pendingOwner;
}
/**
* @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual override onlyOwner {
_pendingOwner = newOwner;
emit OwnershipTransferStarted(owner(), newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual override {
delete _pendingOwner;
super._transferOwnership(newOwner);
}
/**
* @dev The new owner accepts the ownership transfer.
*/
function acceptOwnership() public virtual {
address sender = _msgSender();
require(pendingOwner() == sender, "Ownable2Step: caller is not the new owner");
_transferOwnership(sender);
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[49] private __gap;
}
node_modules/@openzeppelin/contracts-upgradeable/utils/math/SafeCastUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.
pragma solidity ^0.8.0;
/**
* @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow
* checks.
*
* Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
* easily result in undesired exploitation or bugs, since developers usually
* assume that overflows raise errors. `SafeCast` restores this intuition by
* reverting the transaction when such an operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*
* Can be combined with {SafeMath} and {SignedSafeMath} to extend it to smaller types, by performing
* all math on `uint256` and `int256` and then downcasting.
*/
library SafeCastUpgradeable {
/**
* @dev Returns the downcasted uint248 from uint256, reverting on
* overflow (when the input is greater than largest uint248).
*
* Counterpart to Solidity's `uint248` operator.
*
* Requirements:
*
* - input must fit into 248 bits
*
* _Available since v4.7._
*/
function toUint248(uint256 value) internal pure returns (uint248) {
require(value <= type(uint248).max, "SafeCast: value doesn't fit in 248 bits");
return uint248(value);
}
/**
* @dev Returns the downcasted uint240 from uint256, reverting on
* overflow (when the input is greater than largest uint240).
*
* Counterpart to Solidity's `uint240` operator.
*
* Requirements:
*
* - input must fit into 240 bits
*
* _Available since v4.7._
*/
function toUint240(uint256 value) internal pure returns (uint240) {
require(value <= type(uint240).max, "SafeCast: value doesn't fit in 240 bits");
return uint240(value);
}
/**
* @dev Returns the downcasted uint232 from uint256, reverting on
* overflow (when the input is greater than largest uint232).
*
* Counterpart to Solidity's `uint232` operator.
*
* Requirements:
*
* - input must fit into 232 bits
*
* _Available since v4.7._
*/
function toUint232(uint256 value) internal pure returns (uint232) {
require(value <= type(uint232).max, "SafeCast: value doesn't fit in 232 bits");
return uint232(value);
}
/**
* @dev Returns the downcasted uint224 from uint256, reverting on
* overflow (when the input is greater than largest uint224).
*
* Counterpart to Solidity's `uint224` operator.
*
* Requirements:
*
* - input must fit into 224 bits
*
* _Available since v4.2._
*/
function toUint224(uint256 value) internal pure returns (uint224) {
require(value <= type(uint224).max, "SafeCast: value doesn't fit in 224 bits");
return uint224(value);
}
/**
* @dev Returns the downcasted uint216 from uint256, reverting on
* overflow (when the input is greater than largest uint216).
*
* Counterpart to Solidity's `uint216` operator.
*
* Requirements:
*
* - input must fit into 216 bits
*
* _Available since v4.7._
*/
function toUint216(uint256 value) internal pure returns (uint216) {
require(value <= type(uint216).max, "SafeCast: value doesn't fit in 216 bits");
return uint216(value);
}
/**
* @dev Returns the downcasted uint208 from uint256, reverting on
* overflow (when the input is greater than largest uint208).
*
* Counterpart to Solidity's `uint208` operator.
*
* Requirements:
*
* - input must fit into 208 bits
*
* _Available since v4.7._
*/
function toUint208(uint256 value) internal pure returns (uint208) {
require(value <= type(uint208).max, "SafeCast: value doesn't fit in 208 bits");
return uint208(value);
}
/**
* @dev Returns the downcasted uint200 from uint256, reverting on
* overflow (when the input is greater than largest uint200).
*
* Counterpart to Solidity's `uint200` operator.
*
* Requirements:
*
* - input must fit into 200 bits
*
* _Available since v4.7._
*/
function toUint200(uint256 value) internal pure returns (uint200) {
require(value <= type(uint200).max, "SafeCast: value doesn't fit in 200 bits");
return uint200(value);
}
/**
* @dev Returns the downcasted uint192 from uint256, reverting on
* overflow (when the input is greater than largest uint192).
*
* Counterpart to Solidity's `uint192` operator.
*
* Requirements:
*
* - input must fit into 192 bits
*
* _Available since v4.7._
*/
function toUint192(uint256 value) internal pure returns (uint192) {
require(value <= type(uint192).max, "SafeCast: value doesn't fit in 192 bits");
return uint192(value);
}
/**
* @dev Returns the downcasted uint184 from uint256, reverting on
* overflow (when the input is greater than largest uint184).
*
* Counterpart to Solidity's `uint184` operator.
*
* Requirements:
*
* - input must fit into 184 bits
*
* _Available since v4.7._
*/
function toUint184(uint256 value) internal pure returns (uint184) {
require(value <= type(uint184).max, "SafeCast: value doesn't fit in 184 bits");
return uint184(value);
}
/**
* @dev Returns the downcasted uint176 from uint256, reverting on
* overflow (when the input is greater than largest uint176).
*
* Counterpart to Solidity's `uint176` operator.
*
* Requirements:
*
* - input must fit into 176 bits
*
* _Available since v4.7._
*/
function toUint176(uint256 value) internal pure returns (uint176) {
require(value <= type(uint176).max, "SafeCast: value doesn't fit in 176 bits");
return uint176(value);
}
/**
* @dev Returns the downcasted uint168 from uint256, reverting on
* overflow (when the input is greater than largest uint168).
*
* Counterpart to Solidity's `uint168` operator.
*
* Requirements:
*
* - input must fit into 168 bits
*
* _Available since v4.7._
*/
function toUint168(uint256 value) internal pure returns (uint168) {
require(value <= type(uint168).max, "SafeCast: value doesn't fit in 168 bits");
return uint168(value);
}
/**
* @dev Returns the downcasted uint160 from uint256, reverting on
* overflow (when the input is greater than largest uint160).
*
* Counterpart to Solidity's `uint160` operator.
*
* Requirements:
*
* - input must fit into 160 bits
*
* _Available since v4.7._
*/
function toUint160(uint256 value) internal pure returns (uint160) {
require(value <= type(uint160).max, "SafeCast: value doesn't fit in 160 bits");
return uint160(value);
}
/**
* @dev Returns the downcasted uint152 from uint256, reverting on
* overflow (when the input is greater than largest uint152).
*
* Counterpart to Solidity's `uint152` operator.
*
* Requirements:
*
* - input must fit into 152 bits
*
* _Available since v4.7._
*/
function toUint152(uint256 value) internal pure returns (uint152) {
require(value <= type(uint152).max, "SafeCast: value doesn't fit in 152 bits");
return uint152(value);
}
/**
* @dev Returns the downcasted uint144 from uint256, reverting on
* overflow (when the input is greater than largest uint144).
*
* Counterpart to Solidity's `uint144` operator.
*
* Requirements:
*
* - input must fit into 144 bits
*
* _Available since v4.7._
*/
function toUint144(uint256 value) internal pure returns (uint144) {
require(value <= type(uint144).max, "SafeCast: value doesn't fit in 144 bits");
return uint144(value);
}
/**
* @dev Returns the downcasted uint136 from uint256, reverting on
* overflow (when the input is greater than largest uint136).
*
* Counterpart to Solidity's `uint136` operator.
*
* Requirements:
*
* - input must fit into 136 bits
*
* _Available since v4.7._
*/
function toUint136(uint256 value) internal pure returns (uint136) {
require(value <= type(uint136).max, "SafeCast: value doesn't fit in 136 bits");
return uint136(value);
}
/**
* @dev Returns the downcasted uint128 from uint256, reverting on
* overflow (when the input is greater than largest uint128).
*
* Counterpart to Solidity's `uint128` operator.
*
* Requirements:
*
* - input must fit into 128 bits
*
* _Available since v2.5._
*/
function toUint128(uint256 value) internal pure returns (uint128) {
require(value <= type(uint128).max, "SafeCast: value doesn't fit in 128 bits");
return uint128(value);
}
/**
* @dev Returns the downcasted uint120 from uint256, reverting on
* overflow (when the input is greater than largest uint120).
*
* Counterpart to Solidity's `uint120` operator.
*
* Requirements:
*
* - input must fit into 120 bits
*
* _Available since v4.7._
*/
function toUint120(uint256 value) internal pure returns (uint120) {
require(value <= type(uint120).max, "SafeCast: value doesn't fit in 120 bits");
return uint120(value);
}
/**
* @dev Returns the downcasted uint112 from uint256, reverting on
* overflow (when the input is greater than largest uint112).
*
* Counterpart to Solidity's `uint112` operator.
*
* Requirements:
*
* - input must fit into 112 bits
*
* _Available since v4.7._
*/
function toUint112(uint256 value) internal pure returns (uint112) {
require(value <= type(uint112).max, "SafeCast: value doesn't fit in 112 bits");
return uint112(value);
}
/**
* @dev Returns the downcasted uint104 from uint256, reverting on
* overflow (when the input is greater than largest uint104).
*
* Counterpart to Solidity's `uint104` operator.
*
* Requirements:
*
* - input must fit into 104 bits
*
* _Available since v4.7._
*/
function toUint104(uint256 value) internal pure returns (uint104) {
require(value <= type(uint104).max, "SafeCast: value doesn't fit in 104 bits");
return uint104(value);
}
/**
* @dev Returns the downcasted uint96 from uint256, reverting on
* overflow (when the input is greater than largest uint96).
*
* Counterpart to Solidity's `uint96` operator.
*
* Requirements:
*
* - input must fit into 96 bits
*
* _Available since v4.2._
*/
function toUint96(uint256 value) internal pure returns (uint96) {
require(value <= type(uint96).max, "SafeCast: value doesn't fit in 96 bits");
return uint96(value);
}
/**
* @dev Returns the downcasted uint88 from uint256, reverting on
* overflow (when the input is greater than largest uint88).
*
* Counterpart to Solidity's `uint88` operator.
*
* Requirements:
*
* - input must fit into 88 bits
*
* _Available since v4.7._
*/
function toUint88(uint256 value) internal pure returns (uint88) {
require(value <= type(uint88).max, "SafeCast: value doesn't fit in 88 bits");
return uint88(value);
}
/**
* @dev Returns the downcasted uint80 from uint256, reverting on
* overflow (when the input is greater than largest uint80).
*
* Counterpart to Solidity's `uint80` operator.
*
* Requirements:
*
* - input must fit into 80 bits
*
* _Available since v4.7._
*/
function toUint80(uint256 value) internal pure returns (uint80) {
require(value <= type(uint80).max, "SafeCast: value doesn't fit in 80 bits");
return uint80(value);
}
/**
* @dev Returns the downcasted uint72 from uint256, reverting on
* overflow (when the input is greater than largest uint72).
*
* Counterpart to Solidity's `uint72` operator.
*
* Requirements:
*
* - input must fit into 72 bits
*
* _Available since v4.7._
*/
function toUint72(uint256 value) internal pure returns (uint72) {
require(value <= type(uint72).max, "SafeCast: value doesn't fit in 72 bits");
return uint72(value);
}
/**
* @dev Returns the downcasted uint64 from uint256, reverting on
* overflow (when the input is greater than largest uint64).
*
* Counterpart to Solidity's `uint64` operator.
*
* Requirements:
*
* - input must fit into 64 bits
*
* _Available since v2.5._
*/
function toUint64(uint256 value) internal pure returns (uint64) {
require(value <= type(uint64).max, "SafeCast: value doesn't fit in 64 bits");
return uint64(value);
}
/**
* @dev Returns the downcasted uint56 from uint256, reverting on
* overflow (when the input is greater than largest uint56).
*
* Counterpart to Solidity's `uint56` operator.
*
* Requirements:
*
* - input must fit into 56 bits
*
* _Available since v4.7._
*/
function toUint56(uint256 value) internal pure returns (uint56) {
require(value <= type(uint56).max, "SafeCast: value doesn't fit in 56 bits");
return uint56(value);
}
/**
* @dev Returns the downcasted uint48 from uint256, reverting on
* overflow (when the input is greater than largest uint48).
*
* Counterpart to Solidity's `uint48` operator.
*
* Requirements:
*
* - input must fit into 48 bits
*
* _Available since v4.7._
*/
function toUint48(uint256 value) internal pure returns (uint48) {
require(value <= type(uint48).max, "SafeCast: value doesn't fit in 48 bits");
return uint48(value);
}
/**
* @dev Returns the downcasted uint40 from uint256, reverting on
* overflow (when the input is greater than largest uint40).
*
* Counterpart to Solidity's `uint40` operator.
*
* Requirements:
*
* - input must fit into 40 bits
*
* _Available since v4.7._
*/
function toUint40(uint256 value) internal pure returns (uint40) {
require(value <= type(uint40).max, "SafeCast: value doesn't fit in 40 bits");
return uint40(value);
}
/**
* @dev Returns the downcasted uint32 from uint256, reverting on
* overflow (when the input is greater than largest uint32).
*
* Counterpart to Solidity's `uint32` operator.
*
* Requirements:
*
* - input must fit into 32 bits
*
* _Available since v2.5._
*/
function toUint32(uint256 value) internal pure returns (uint32) {
require(value <= type(uint32).max, "SafeCast: value doesn't fit in 32 bits");
return uint32(value);
}
/**
* @dev Returns the downcasted uint24 from uint256, reverting on
* overflow (when the input is greater than largest uint24).
*
* Counterpart to Solidity's `uint24` operator.
*
* Requirements:
*
* - input must fit into 24 bits
*
* _Available since v4.7._
*/
function toUint24(uint256 value) internal pure returns (uint24) {
require(value <= type(uint24).max, "SafeCast: value doesn't fit in 24 bits");
return uint24(value);
}
/**
* @dev Returns the downcasted uint16 from uint256, reverting on
* overflow (when the input is greater than largest uint16).
*
* Counterpart to Solidity's `uint16` operator.
*
* Requirements:
*
* - input must fit into 16 bits
*
* _Available since v2.5._
*/
function toUint16(uint256 value) internal pure returns (uint16) {
require(value <= type(uint16).max, "SafeCast: value doesn't fit in 16 bits");
return uint16(value);
}
/**
* @dev Returns the downcasted uint8 from uint256, reverting on
* overflow (when the input is greater than largest uint8).
*
* Counterpart to Solidity's `uint8` operator.
*
* Requirements:
*
* - input must fit into 8 bits
*
* _Available since v2.5._
*/
function toUint8(uint256 value) internal pure returns (uint8) {
require(value <= type(uint8).max, "SafeCast: value doesn't fit in 8 bits");
return uint8(value);
}
/**
* @dev Converts a signed int256 into an unsigned uint256.
*
* Requirements:
*
* - input must be greater than or equal to 0.
*
* _Available since v3.0._
*/
function toUint256(int256 value) internal pure returns (uint256) {
require(value >= 0, "SafeCast: value must be positive");
return uint256(value);
}
/**
* @dev Returns the downcasted int248 from int256, reverting on
* overflow (when the input is less than smallest int248 or
* greater than largest int248).
*
* Counterpart to Solidity's `int248` operator.
*
* Requirements:
*
* - input must fit into 248 bits
*
* _Available since v4.7._
*/
function toInt248(int256 value) internal pure returns (int248 downcasted) {
downcasted = int248(value);
require(downcasted == value, "SafeCast: value doesn't fit in 248 bits");
}
/**
* @dev Returns the downcasted int240 from int256, reverting on
* overflow (when the input is less than smallest int240 or
* greater than largest int240).
*
* Counterpart to Solidity's `int240` operator.
*
* Requirements:
*
* - input must fit into 240 bits
*
* _Available since v4.7._
*/
function toInt240(int256 value) internal pure returns (int240 downcasted) {
downcasted = int240(value);
require(downcasted == value, "SafeCast: value doesn't fit in 240 bits");
}
/**
* @dev Returns the downcasted int232 from int256, reverting on
* overflow (when the input is less than smallest int232 or
* greater than largest int232).
*
* Counterpart to Solidity's `int232` operator.
*
* Requirements:
*
* - input must fit into 232 bits
*
* _Available since v4.7._
*/
function toInt232(int256 value) internal pure returns (int232 downcasted) {
downcasted = int232(value);
require(downcasted == value, "SafeCast: value doesn't fit in 232 bits");
}
/**
* @dev Returns the downcasted int224 from int256, reverting on
* overflow (when the input is less than smallest int224 or
* greater than largest int224).
*
* Counterpart to Solidity's `int224` operator.
*
* Requirements:
*
* - input must fit into 224 bits
*
* _Available since v4.7._
*/
function toInt224(int256 value) internal pure returns (int224 downcasted) {
downcasted = int224(value);
require(downcasted == value, "SafeCast: value doesn't fit in 224 bits");
}
/**
* @dev Returns the downcasted int216 from int256, reverting on
* overflow (when the input is less than smallest int216 or
* greater than largest int216).
*
* Counterpart to Solidity's `int216` operator.
*
* Requirements:
*
* - input must fit into 216 bits
*
* _Available since v4.7._
*/
function toInt216(int256 value) internal pure returns (int216 downcasted) {
downcasted = int216(value);
require(downcasted == value, "SafeCast: value doesn't fit in 216 bits");
}
/**
* @dev Returns the downcasted int208 from int256, reverting on
* overflow (when the input is less than smallest int208 or
* greater than largest int208).
*
* Counterpart to Solidity's `int208` operator.
*
* Requirements:
*
* - input must fit into 208 bits
*
* _Available since v4.7._
*/
function toInt208(int256 value) internal pure returns (int208 downcasted) {
downcasted = int208(value);
require(downcasted == value, "SafeCast: value doesn't fit in 208 bits");
}
/**
* @dev Returns the downcasted int200 from int256, reverting on
* overflow (when the input is less than smallest int200 or
* greater than largest int200).
*
* Counterpart to Solidity's `int200` operator.
*
* Requirements:
*
* - input must fit into 200 bits
*
* _Available since v4.7._
*/
function toInt200(int256 value) internal pure returns (int200 downcasted) {
downcasted = int200(value);
require(downcasted == value, "SafeCast: value doesn't fit in 200 bits");
}
/**
* @dev Returns the downcasted int192 from int256, reverting on
* overflow (when the input is less than smallest int192 or
* greater than largest int192).
*
* Counterpart to Solidity's `int192` operator.
*
* Requirements:
*
* - input must fit into 192 bits
*
* _Available since v4.7._
*/
function toInt192(int256 value) internal pure returns (int192 downcasted) {
downcasted = int192(value);
require(downcasted == value, "SafeCast: value doesn't fit in 192 bits");
}
/**
* @dev Returns the downcasted int184 from int256, reverting on
* overflow (when the input is less than smallest int184 or
* greater than largest int184).
*
* Counterpart to Solidity's `int184` operator.
*
* Requirements:
*
* - input must fit into 184 bits
*
* _Available since v4.7._
*/
function toInt184(int256 value) internal pure returns (int184 downcasted) {
downcasted = int184(value);
require(downcasted == value, "SafeCast: value doesn't fit in 184 bits");
}
/**
* @dev Returns the downcasted int176 from int256, reverting on
* overflow (when the input is less than smallest int176 or
* greater than largest int176).
*
* Counterpart to Solidity's `int176` operator.
*
* Requirements:
*
* - input must fit into 176 bits
*
* _Available since v4.7._
*/
function toInt176(int256 value) internal pure returns (int176 downcasted) {
downcasted = int176(value);
require(downcasted == value, "SafeCast: value doesn't fit in 176 bits");
}
/**
* @dev Returns the downcasted int168 from int256, reverting on
* overflow (when the input is less than smallest int168 or
* greater than largest int168).
*
* Counterpart to Solidity's `int168` operator.
*
* Requirements:
*
* - input must fit into 168 bits
*
* _Available since v4.7._
*/
function toInt168(int256 value) internal pure returns (int168 downcasted) {
downcasted = int168(value);
require(downcasted == value, "SafeCast: value doesn't fit in 168 bits");
}
/**
* @dev Returns the downcasted int160 from int256, reverting on
* overflow (when the input is less than smallest int160 or
* greater than largest int160).
*
* Counterpart to Solidity's `int160` operator.
*
* Requirements:
*
* - input must fit into 160 bits
*
* _Available since v4.7._
*/
function toInt160(int256 value) internal pure returns (int160 downcasted) {
downcasted = int160(value);
require(downcasted == value, "SafeCast: value doesn't fit in 160 bits");
}
/**
* @dev Returns the downcasted int152 from int256, reverting on
* overflow (when the input is less than smallest int152 or
* greater than largest int152).
*
* Counterpart to Solidity's `int152` operator.
*
* Requirements:
*
* - input must fit into 152 bits
*
* _Available since v4.7._
*/
function toInt152(int256 value) internal pure returns (int152 downcasted) {
downcasted = int152(value);
require(downcasted == value, "SafeCast: value doesn't fit in 152 bits");
}
/**
* @dev Returns the downcasted int144 from int256, reverting on
* overflow (when the input is less than smallest int144 or
* greater than largest int144).
*
* Counterpart to Solidity's `int144` operator.
*
* Requirements:
*
* - input must fit into 144 bits
*
* _Available since v4.7._
*/
function toInt144(int256 value) internal pure returns (int144 downcasted) {
downcasted = int144(value);
require(downcasted == value, "SafeCast: value doesn't fit in 144 bits");
}
/**
* @dev Returns the downcasted int136 from int256, reverting on
* overflow (when the input is less than smallest int136 or
* greater than largest int136).
*
* Counterpart to Solidity's `int136` operator.
*
* Requirements:
*
* - input must fit into 136 bits
*
* _Available since v4.7._
*/
function toInt136(int256 value) internal pure returns (int136 downcasted) {
downcasted = int136(value);
require(downcasted == value, "SafeCast: value doesn't fit in 136 bits");
}
/**
* @dev Returns the downcasted int128 from int256, reverting on
* overflow (when the input is less than smallest int128 or
* greater than largest int128).
*
* Counterpart to Solidity's `int128` operator.
*
* Requirements:
*
* - input must fit into 128 bits
*
* _Available since v3.1._
*/
function toInt128(int256 value) internal pure returns (int128 downcasted) {
downcasted = int128(value);
require(downcasted == value, "SafeCast: value doesn't fit in 128 bits");
}
/**
* @dev Returns the downcasted int120 from int256, reverting on
* overflow (when the input is less than smallest int120 or
* greater than largest int120).
*
* Counterpart to Solidity's `int120` operator.
*
* Requirements:
*
* - input must fit into 120 bits
*
* _Available since v4.7._
*/
function toInt120(int256 value) internal pure returns (int120 downcasted) {
downcasted = int120(value);
require(downcasted == value, "SafeCast: value doesn't fit in 120 bits");
}
/**
* @dev Returns the downcasted int112 from int256, reverting on
* overflow (when the input is less than smallest int112 or
* greater than largest int112).
*
* Counterpart to Solidity's `int112` operator.
*
* Requirements:
*
* - input must fit into 112 bits
*
* _Available since v4.7._
*/
function toInt112(int256 value) internal pure returns (int112 downcasted) {
downcasted = int112(value);
require(downcasted == value, "SafeCast: value doesn't fit in 112 bits");
}
/**
* @dev Returns the downcasted int104 from int256, reverting on
* overflow (when the input is less than smallest int104 or
* greater than largest int104).
*
* Counterpart to Solidity's `int104` operator.
*
* Requirements:
*
* - input must fit into 104 bits
*
* _Available since v4.7._
*/
function toInt104(int256 value) internal pure returns (int104 downcasted) {
downcasted = int104(value);
require(downcasted == value, "SafeCast: value doesn't fit in 104 bits");
}
/**
* @dev Returns the downcasted int96 from int256, reverting on
* overflow (when the input is less than smallest int96 or
* greater than largest int96).
*
* Counterpart to Solidity's `int96` operator.
*
* Requirements:
*
* - input must fit into 96 bits
*
* _Available since v4.7._
*/
function toInt96(int256 value) internal pure returns (int96 downcasted) {
downcasted = int96(value);
require(downcasted == value, "SafeCast: value doesn't fit in 96 bits");
}
/**
* @dev Returns the downcasted int88 from int256, reverting on
* overflow (when the input is less than smallest int88 or
* greater than largest int88).
*
* Counterpart to Solidity's `int88` operator.
*
* Requirements:
*
* - input must fit into 88 bits
*
* _Available since v4.7._
*/
function toInt88(int256 value) internal pure returns (int88 downcasted) {
downcasted = int88(value);
require(downcasted == value, "SafeCast: value doesn't fit in 88 bits");
}
/**
* @dev Returns the downcasted int80 from int256, reverting on
* overflow (when the input is less than smallest int80 or
* greater than largest int80).
*
* Counterpart to Solidity's `int80` operator.
*
* Requirements:
*
* - input must fit into 80 bits
*
* _Available since v4.7._
*/
function toInt80(int256 value) internal pure returns (int80 downcasted) {
downcasted = int80(value);
require(downcasted == value, "SafeCast: value doesn't fit in 80 bits");
}
/**
* @dev Returns the downcasted int72 from int256, reverting on
* overflow (when the input is less than smallest int72 or
* greater than largest int72).
*
* Counterpart to Solidity's `int72` operator.
*
* Requirements:
*
* - input must fit into 72 bits
*
* _Available since v4.7._
*/
function toInt72(int256 value) internal pure returns (int72 downcasted) {
downcasted = int72(value);
require(downcasted == value, "SafeCast: value doesn't fit in 72 bits");
}
/**
* @dev Returns the downcasted int64 from int256, reverting on
* overflow (when the input is less than smallest int64 or
* greater than largest int64).
*
* Counterpart to Solidity's `int64` operator.
*
* Requirements:
*
* - input must fit into 64 bits
*
* _Available since v3.1._
*/
function toInt64(int256 value) internal pure returns (int64 downcasted) {
downcasted = int64(value);
require(downcasted == value, "SafeCast: value doesn't fit in 64 bits");
}
/**
* @dev Returns the downcasted int56 from int256, reverting on
* overflow (when the input is less than smallest int56 or
* greater than largest int56).
*
* Counterpart to Solidity's `int56` operator.
*
* Requirements:
*
* - input must fit into 56 bits
*
* _Available since v4.7._
*/
function toInt56(int256 value) internal pure returns (int56 downcasted) {
downcasted = int56(value);
require(downcasted == value, "SafeCast: value doesn't fit in 56 bits");
}
/**
* @dev Returns the downcasted int48 from int256, reverting on
* overflow (when the input is less than smallest int48 or
* greater than largest int48).
*
* Counterpart to Solidity's `int48` operator.
*
* Requirements:
*
* - input must fit into 48 bits
*
* _Available since v4.7._
*/
function toInt48(int256 value) internal pure returns (int48 downcasted) {
downcasted = int48(value);
require(downcasted == value, "SafeCast: value doesn't fit in 48 bits");
}
/**
* @dev Returns the downcasted int40 from int256, reverting on
* overflow (when the input is less than smallest int40 or
* greater than largest int40).
*
* Counterpart to Solidity's `int40` operator.
*
* Requirements:
*
* - input must fit into 40 bits
*
* _Available since v4.7._
*/
function toInt40(int256 value) internal pure returns (int40 downcasted) {
downcasted = int40(value);
require(downcasted == value, "SafeCast: value doesn't fit in 40 bits");
}
/**
* @dev Returns the downcasted int32 from int256, reverting on
* overflow (when the input is less than smallest int32 or
* greater than largest int32).
*
* Counterpart to Solidity's `int32` operator.
*
* Requirements:
*
* - input must fit into 32 bits
*
* _Available since v3.1._
*/
function toInt32(int256 value) internal pure returns (int32 downcasted) {
downcasted = int32(value);
require(downcasted == value, "SafeCast: value doesn't fit in 32 bits");
}
/**
* @dev Returns the downcasted int24 from int256, reverting on
* overflow (when the input is less than smallest int24 or
* greater than largest int24).
*
* Counterpart to Solidity's `int24` operator.
*
* Requirements:
*
* - input must fit into 24 bits
*
* _Available since v4.7._
*/
function toInt24(int256 value) internal pure returns (int24 downcasted) {
downcasted = int24(value);
require(downcasted == value, "SafeCast: value doesn't fit in 24 bits");
}
/**
* @dev Returns the downcasted int16 from int256, reverting on
* overflow (when the input is less than smallest int16 or
* greater than largest int16).
*
* Counterpart to Solidity's `int16` operator.
*
* Requirements:
*
* - input must fit into 16 bits
*
* _Available since v3.1._
*/
function toInt16(int256 value) internal pure returns (int16 downcasted) {
downcasted = int16(value);
require(downcasted == value, "SafeCast: value doesn't fit in 16 bits");
}
/**
* @dev Returns the downcasted int8 from int256, reverting on
* overflow (when the input is less than smallest int8 or
* greater than largest int8).
*
* Counterpart to Solidity's `int8` operator.
*
* Requirements:
*
* - input must fit into 8 bits
*
* _Available since v3.1._
*/
function toInt8(int256 value) internal pure returns (int8 downcasted) {
downcasted = int8(value);
require(downcasted == value, "SafeCast: value doesn't fit in 8 bits");
}
/**
* @dev Converts an unsigned uint256 into a signed int256.
*
* Requirements:
*
* - input must be less than or equal to maxInt256.
*
* _Available since v3.0._
*/
function toInt256(uint256 value) internal pure returns (int256) {
// Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
require(value <= uint256(type(int256).max), "SafeCast: value doesn't fit in an int256");
return int256(value);
}
}
contracts/common/IAddressManager.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;
/// @title IAddressManager
/// @notice Manages a mapping of (chainId, name) pairs to Ethereum addresses.
/// @custom:security-contact security@taiko.xyz
interface IAddressManager {
/// @notice Gets the address mapped to a specific chainId-name pair.
/// @dev Note that in production, this method shall be a pure function
/// without any storage access.
/// @param _chainId The chainId for which the address needs to be fetched.
/// @param _name The name for which the address needs to be fetched.
/// @return Address associated with the chainId-name pair.
function getAddress(uint64 _chainId, bytes32 _name) external view returns (address);
}
contracts/libs/LibMath.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;
/// @title LibMath
/// @dev This library offers additional math functions for uint256.
/// @custom:security-contact security@taiko.xyz
library LibMath {
/// @dev Returns the smaller of the two given values.
/// @param _a The first number to compare.
/// @param _b The second number to compare.
/// @return The smaller of the two numbers.
function min(uint256 _a, uint256 _b) internal pure returns (uint256) {
return _a > _b ? _b : _a;
}
/// @dev Returns the larger of the two given values.
/// @param _a The first number to compare.
/// @param _b The second number to compare.
/// @return The larger of the two numbers.
function max(uint256 _a, uint256 _b) internal pure returns (uint256) {
return _a > _b ? _a : _b;
}
}
contracts/libs/LibNetwork.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;
/// @title LibNetwork
library LibNetwork {
uint256 internal constant MAINNET = 1;
uint256 internal constant ROPSTEN = 2;
uint256 internal constant RINKEBY = 4;
uint256 internal constant GOERLI = 5;
uint256 internal constant KOVAN = 42;
uint256 internal constant HOLESKY = 17_000;
uint256 internal constant SEPOLIA = 11_155_111;
uint64 internal constant TAIKO = 167_000;
/// @dev Checks if the chain ID represents an Ethereum testnet.
/// @param _chainId The chain ID.
/// @return true if the chain ID represents an Ethereum testnet, false otherwise.
function isEthereumTestnet(uint256 _chainId) internal pure returns (bool) {
return _chainId == LibNetwork.ROPSTEN || _chainId == LibNetwork.RINKEBY
|| _chainId == LibNetwork.GOERLI || _chainId == LibNetwork.KOVAN
|| _chainId == LibNetwork.HOLESKY || _chainId == LibNetwork.SEPOLIA;
}
/// @dev Checks if the chain ID represents an Ethereum testnet or the Etheruem mainnet.
/// @param _chainId The chain ID.
/// @return true if the chain ID represents an Ethereum testnet or the Etheruem mainnet, false
/// otherwise.
function isEthereumMainnetOrTestnet(uint256 _chainId) internal pure returns (bool) {
return _chainId == LibNetwork.MAINNET || isEthereumTestnet(_chainId);
}
/// @dev Checks if the chain ID represents the Taiko L2 mainnet.
/// @param _chainId The chain ID.
/// @return true if the chain ID represents the Taiko L2 mainnet.
function isTaikoMainnet(uint256 _chainId) internal pure returns (bool) {
return _chainId == TAIKO;
}
/// @dev Checks if the chain ID represents an internal Taiko devnet's base layer.
/// @param _chainId The chain ID.
/// @return true if the chain ID represents an internal Taiko devnet's base layer, false
/// otherwise.
function isTaikoDevnet(uint256 _chainId) internal pure returns (bool) {
return _chainId >= 32_300 && _chainId <= 32_400;
}
/// @dev Checks if the chain supports Dencun hardfork. Note that this check doesn't need to be
/// exhaustive.
/// @param _chainId The chain ID.
/// @return true if the chain supports Dencun hardfork, false otherwise.
function isDencunSupported(uint256 _chainId) internal pure returns (bool) {
return _chainId == LibNetwork.MAINNET || _chainId == LibNetwork.HOLESKY
|| _chainId == LibNetwork.SEPOLIA || isTaikoDevnet(_chainId);
}
}
node_modules/@openzeppelin/contracts/proxy/utils/UUPSUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/UUPSUpgradeable.sol)
pragma solidity ^0.8.0;
import "../../interfaces/draft-IERC1822.sol";
import "../ERC1967/ERC1967Upgrade.sol";
/**
* @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an
* {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.
*
* A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is
* reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing
* `UUPSUpgradeable` with a custom implementation of upgrades.
*
* The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.
*
* _Available since v4.1._
*/
abstract contract UUPSUpgradeable is IERC1822Proxiable, ERC1967Upgrade {
/// @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment
address private immutable __self = address(this);
/**
* @dev Check that the execution is being performed through a delegatecall call and that the execution context is
* a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case
* for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a
* function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to
* fail.
*/
modifier onlyProxy() {
require(address(this) != __self, "Function must be called through delegatecall");
require(_getImplementation() == __self, "Function must be called through active proxy");
_;
}
/**
* @dev Check that the execution is not being performed through a delegate call. This allows a function to be
* callable on the implementing contract but not through proxies.
*/
modifier notDelegated() {
require(address(this) == __self, "UUPSUpgradeable: must not be called through delegatecall");
_;
}
/**
* @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the
* implementation. It is used to validate the implementation's compatibility when performing an upgrade.
*
* IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
* bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
* function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier.
*/
function proxiableUUID() external view virtual override notDelegated returns (bytes32) {
return _IMPLEMENTATION_SLOT;
}
/**
* @dev Upgrade the implementation of the proxy to `newImplementation`.
*
* Calls {_authorizeUpgrade}.
*
* Emits an {Upgraded} event.
*
* @custom:oz-upgrades-unsafe-allow-reachable delegatecall
*/
function upgradeTo(address newImplementation) public virtual onlyProxy {
_authorizeUpgrade(newImplementation);
_upgradeToAndCallUUPS(newImplementation, new bytes(0), false);
}
/**
* @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call
* encoded in `data`.
*
* Calls {_authorizeUpgrade}.
*
* Emits an {Upgraded} event.
*
* @custom:oz-upgrades-unsafe-allow-reachable delegatecall
*/
function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy {
_authorizeUpgrade(newImplementation);
_upgradeToAndCallUUPS(newImplementation, data, true);
}
/**
* @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by
* {upgradeTo} and {upgradeToAndCall}.
*
* Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.
*
* ```solidity
* function _authorizeUpgrade(address) internal override onlyOwner {}
* ```
*/
function _authorizeUpgrade(address newImplementation) internal virtual;
}
node_modules/@openzeppelin/contracts-upgradeable/token/ERC20/extensions/ERC20VotesUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/ERC20Votes.sol)
pragma solidity ^0.8.0;
import "./ERC20PermitUpgradeable.sol";
import "../../../interfaces/IERC5805Upgradeable.sol";
import "../../../utils/math/MathUpgradeable.sol";
import "../../../utils/math/SafeCastUpgradeable.sol";
import "../../../utils/cryptography/ECDSAUpgradeable.sol";
import {Initializable} from "../../../proxy/utils/Initializable.sol";
/**
* @dev Extension of ERC20 to support Compound-like voting and delegation. This version is more generic than Compound's,
* and supports token supply up to 2^224^ - 1, while COMP is limited to 2^96^ - 1.
*
* NOTE: If exact COMP compatibility is required, use the {ERC20VotesComp} variant of this module.
*
* This extension keeps a history (checkpoints) of each account's vote power. Vote power can be delegated either
* by calling the {delegate} function directly, or by providing a signature to be used with {delegateBySig}. Voting
* power can be queried through the public accessors {getVotes} and {getPastVotes}.
*
* By default, token balance does not account for voting power. This makes transfers cheaper. The downside is that it
* requires users to delegate to themselves in order to activate checkpoints and have their voting power tracked.
*
* _Available since v4.2._
*/
abstract contract ERC20VotesUpgradeable is Initializable, ERC20PermitUpgradeable, IERC5805Upgradeable {
struct Checkpoint {
uint32 fromBlock;
uint224 votes;
}
bytes32 private constant _DELEGATION_TYPEHASH =
keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)");
mapping(address => address) private _delegates;
mapping(address => Checkpoint[]) private _checkpoints;
Checkpoint[] private _totalSupplyCheckpoints;
function __ERC20Votes_init() internal onlyInitializing {
}
function __ERC20Votes_init_unchained() internal onlyInitializing {
}
/**
* @dev Clock used for flagging checkpoints. Can be overridden to implement timestamp based checkpoints (and voting).
*/
function clock() public view virtual override returns (uint48) {
return SafeCastUpgradeable.toUint48(block.number);
}
/**
* @dev Description of the clock
*/
// solhint-disable-next-line func-name-mixedcase
function CLOCK_MODE() public view virtual override returns (string memory) {
// Check that the clock was not modified
require(clock() == block.number, "ERC20Votes: broken clock mode");
return "mode=blocknumber&from=default";
}
/**
* @dev Get the `pos`-th checkpoint for `account`.
*/
function checkpoints(address account, uint32 pos) public view virtual returns (Checkpoint memory) {
return _checkpoints[account][pos];
}
/**
* @dev Get number of checkpoints for `account`.
*/
function numCheckpoints(address account) public view virtual returns (uint32) {
return SafeCastUpgradeable.toUint32(_checkpoints[account].length);
}
/**
* @dev Get the address `account` is currently delegating to.
*/
function delegates(address account) public view virtual override returns (address) {
return _delegates[account];
}
/**
* @dev Gets the current votes balance for `account`
*/
function getVotes(address account) public view virtual override returns (uint256) {
uint256 pos = _checkpoints[account].length;
unchecked {
return pos == 0 ? 0 : _checkpoints[account][pos - 1].votes;
}
}
/**
* @dev Retrieve the number of votes for `account` at the end of `timepoint`.
*
* Requirements:
*
* - `timepoint` must be in the past
*/
function getPastVotes(address account, uint256 timepoint) public view virtual override returns (uint256) {
require(timepoint < clock(), "ERC20Votes: future lookup");
return _checkpointsLookup(_checkpoints[account], timepoint);
}
/**
* @dev Retrieve the `totalSupply` at the end of `timepoint`. Note, this value is the sum of all balances.
* It is NOT the sum of all the delegated votes!
*
* Requirements:
*
* - `timepoint` must be in the past
*/
function getPastTotalSupply(uint256 timepoint) public view virtual override returns (uint256) {
require(timepoint < clock(), "ERC20Votes: future lookup");
return _checkpointsLookup(_totalSupplyCheckpoints, timepoint);
}
/**
* @dev Lookup a value in a list of (sorted) checkpoints.
*/
function _checkpointsLookup(Checkpoint[] storage ckpts, uint256 timepoint) private view returns (uint256) {
// We run a binary search to look for the last (most recent) checkpoint taken before (or at) `timepoint`.
//
// Initially we check if the block is recent to narrow the search range.
// During the loop, the index of the wanted checkpoint remains in the range [low-1, high).
// With each iteration, either `low` or `high` is moved towards the middle of the range to maintain the invariant.
// - If the middle checkpoint is after `timepoint`, we look in [low, mid)
// - If the middle checkpoint is before or equal to `timepoint`, we look in [mid+1, high)
// Once we reach a single value (when low == high), we've found the right checkpoint at the index high-1, if not
// out of bounds (in which case we're looking too far in the past and the result is 0).
// Note that if the latest checkpoint available is exactly for `timepoint`, we end up with an index that is
// past the end of the array, so we technically don't find a checkpoint after `timepoint`, but it works out
// the same.
uint256 length = ckpts.length;
uint256 low = 0;
uint256 high = length;
if (length > 5) {
uint256 mid = length - MathUpgradeable.sqrt(length);
if (_unsafeAccess(ckpts, mid).fromBlock > timepoint) {
high = mid;
} else {
low = mid + 1;
}
}
while (low < high) {
uint256 mid = MathUpgradeable.average(low, high);
if (_unsafeAccess(ckpts, mid).fromBlock > timepoint) {
high = mid;
} else {
low = mid + 1;
}
}
unchecked {
return high == 0 ? 0 : _unsafeAccess(ckpts, high - 1).votes;
}
}
/**
* @dev Delegate votes from the sender to `delegatee`.
*/
function delegate(address delegatee) public virtual override {
_delegate(_msgSender(), delegatee);
}
/**
* @dev Delegates votes from signer to `delegatee`
*/
function delegateBySig(
address delegatee,
uint256 nonce,
uint256 expiry,
uint8 v,
bytes32 r,
bytes32 s
) public virtual override {
require(block.timestamp <= expiry, "ERC20Votes: signature expired");
address signer = ECDSAUpgradeable.recover(
_hashTypedDataV4(keccak256(abi.encode(_DELEGATION_TYPEHASH, delegatee, nonce, expiry))),
v,
r,
s
);
require(nonce == _useNonce(signer), "ERC20Votes: invalid nonce");
_delegate(signer, delegatee);
}
/**
* @dev Maximum token supply. Defaults to `type(uint224).max` (2^224^ - 1).
*/
function _maxSupply() internal view virtual returns (uint224) {
return type(uint224).max;
}
/**
* @dev Snapshots the totalSupply after it has been increased.
*/
function _mint(address account, uint256 amount) internal virtual override {
super._mint(account, amount);
require(totalSupply() <= _maxSupply(), "ERC20Votes: total supply risks overflowing votes");
_writeCheckpoint(_totalSupplyCheckpoints, _add, amount);
}
/**
* @dev Snapshots the totalSupply after it has been decreased.
*/
function _burn(address account, uint256 amount) internal virtual override {
super._burn(account, amount);
_writeCheckpoint(_totalSupplyCheckpoints, _subtract, amount);
}
/**
* @dev Move voting power when tokens are transferred.
*
* Emits a {IVotes-DelegateVotesChanged} event.
*/
function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual override {
super._afterTokenTransfer(from, to, amount);
_moveVotingPower(delegates(from), delegates(to), amount);
}
/**
* @dev Change delegation for `delegator` to `delegatee`.
*
* Emits events {IVotes-DelegateChanged} and {IVotes-DelegateVotesChanged}.
*/
function _delegate(address delegator, address delegatee) internal virtual {
address currentDelegate = delegates(delegator);
uint256 delegatorBalance = balanceOf(delegator);
_delegates[delegator] = delegatee;
emit DelegateChanged(delegator, currentDelegate, delegatee);
_moveVotingPower(currentDelegate, delegatee, delegatorBalance);
}
function _moveVotingPower(address src, address dst, uint256 amount) private {
if (src != dst && amount > 0) {
if (src != address(0)) {
(uint256 oldWeight, uint256 newWeight) = _writeCheckpoint(_checkpoints[src], _subtract, amount);
emit DelegateVotesChanged(src, oldWeight, newWeight);
}
if (dst != address(0)) {
(uint256 oldWeight, uint256 newWeight) = _writeCheckpoint(_checkpoints[dst], _add, amount);
emit DelegateVotesChanged(dst, oldWeight, newWeight);
}
}
}
function _writeCheckpoint(
Checkpoint[] storage ckpts,
function(uint256, uint256) view returns (uint256) op,
uint256 delta
) private returns (uint256 oldWeight, uint256 newWeight) {
uint256 pos = ckpts.length;
unchecked {
Checkpoint memory oldCkpt = pos == 0 ? Checkpoint(0, 0) : _unsafeAccess(ckpts, pos - 1);
oldWeight = oldCkpt.votes;
newWeight = op(oldWeight, delta);
if (pos > 0 && oldCkpt.fromBlock == clock()) {
_unsafeAccess(ckpts, pos - 1).votes = SafeCastUpgradeable.toUint224(newWeight);
} else {
ckpts.push(Checkpoint({fromBlock: SafeCastUpgradeable.toUint32(clock()), votes: SafeCastUpgradeable.toUint224(newWeight)}));
}
}
}
function _add(uint256 a, uint256 b) private pure returns (uint256) {
return a + b;
}
function _subtract(uint256 a, uint256 b) private pure returns (uint256) {
return a - b;
}
/**
* @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds.
*/
function _unsafeAccess(Checkpoint[] storage ckpts, uint256 pos) private pure returns (Checkpoint storage result) {
assembly {
mstore(0, ckpts.slot)
result.slot := add(keccak256(0, 0x20), pos)
}
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[47] private __gap;
}
node_modules/@openzeppelin/contracts-upgradeable/interfaces/IERC6372Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC6372.sol)
pragma solidity ^0.8.0;
interface IERC6372Upgradeable {
/**
* @dev Clock used for flagging checkpoints. Can be overridden to implement timestamp based checkpoints (and voting).
*/
function clock() external view returns (uint48);
/**
* @dev Description of the clock
*/
// solhint-disable-next-line func-name-mixedcase
function CLOCK_MODE() external view returns (string memory);
}
node_modules/@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/ERC1967/ERC1967Upgrade.sol)
pragma solidity ^0.8.2;
import "../beacon/IBeacon.sol";
import "../../interfaces/IERC1967.sol";
import "../../interfaces/draft-IERC1822.sol";
import "../../utils/Address.sol";
import "../../utils/StorageSlot.sol";
/**
* @dev This abstract contract provides getters and event emitting update functions for
* https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
*
* _Available since v4.1._
*/
abstract contract ERC1967Upgrade is IERC1967 {
// This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;
/**
* @dev Storage slot with the address of the current implementation.
* This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
* validated in the constructor.
*/
bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
/**
* @dev Returns the current implementation address.
*/
function _getImplementation() internal view returns (address) {
return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
}
/**
* @dev Stores a new address in the EIP1967 implementation slot.
*/
function _setImplementation(address newImplementation) private {
require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
}
/**
* @dev Perform implementation upgrade
*
* Emits an {Upgraded} event.
*/
function _upgradeTo(address newImplementation) internal {
_setImplementation(newImplementation);
emit Upgraded(newImplementation);
}
/**
* @dev Perform implementation upgrade with additional setup call.
*
* Emits an {Upgraded} event.
*/
function _upgradeToAndCall(address newImplementation, bytes memory data, bool forceCall) internal {
_upgradeTo(newImplementation);
if (data.length > 0 || forceCall) {
Address.functionDelegateCall(newImplementation, data);
}
}
/**
* @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
*
* Emits an {Upgraded} event.
*/
function _upgradeToAndCallUUPS(address newImplementation, bytes memory data, bool forceCall) internal {
// Upgrades from old implementations will perform a rollback test. This test requires the new
// implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
// this special case will break upgrade paths from old UUPS implementation to new ones.
if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {
_setImplementation(newImplementation);
} else {
try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
} catch {
revert("ERC1967Upgrade: new implementation is not UUPS");
}
_upgradeToAndCall(newImplementation, data, forceCall);
}
}
/**
* @dev Storage slot with the admin of the contract.
* This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
* validated in the constructor.
*/
bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;
/**
* @dev Returns the current admin.
*/
function _getAdmin() internal view returns (address) {
return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
}
/**
* @dev Stores a new address in the EIP1967 admin slot.
*/
function _setAdmin(address newAdmin) private {
require(newAdmin != address(0), "ERC1967: new admin is the zero address");
StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
}
/**
* @dev Changes the admin of the proxy.
*
* Emits an {AdminChanged} event.
*/
function _changeAdmin(address newAdmin) internal {
emit AdminChanged(_getAdmin(), newAdmin);
_setAdmin(newAdmin);
}
/**
* @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
* This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
*/
bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;
/**
* @dev Returns the current beacon.
*/
function _getBeacon() internal view returns (address) {
return StorageSlot.getAddressSlot(_BEACON_SLOT).value;
}
/**
* @dev Stores a new beacon in the EIP1967 beacon slot.
*/
function _setBeacon(address newBeacon) private {
require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract");
require(
Address.isContract(IBeacon(newBeacon).implementation()),
"ERC1967: beacon implementation is not a contract"
);
StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
}
/**
* @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
* not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
*
* Emits a {BeaconUpgraded} event.
*/
function _upgradeBeaconToAndCall(address newBeacon, bytes memory data, bool forceCall) internal {
_setBeacon(newBeacon);
emit BeaconUpgraded(newBeacon);
if (data.length > 0 || forceCall) {
Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
}
}
}
node_modules/@openzeppelin/contracts/interfaces/IERC1967.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC1967.sol)
pragma solidity ^0.8.0;
/**
* @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC.
*
* _Available since v4.8.3._
*/
interface IERC1967 {
/**
* @dev Emitted when the implementation is upgraded.
*/
event Upgraded(address indexed implementation);
/**
* @dev Emitted when the admin account has changed.
*/
event AdminChanged(address previousAdmin, address newAdmin);
/**
* @dev Emitted when the beacon is changed.
*/
event BeaconUpgraded(address indexed beacon);
}
node_modules/@openzeppelin/contracts-upgradeable/token/ERC20/extensions/IERC20MetadataUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)
pragma solidity ^0.8.0;
import "../IERC20Upgradeable.sol";
/**
* @dev Interface for the optional metadata functions from the ERC20 standard.
*
* _Available since v4.1._
*/
interface IERC20MetadataUpgradeable is IERC20Upgradeable {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}
contracts/bridge/IBridge.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;
/// @title IBridge
/// @notice The bridge used in conjunction with the {ISignalService}.
/// @dev Ether is held by Bridges on L1 and L2s.
/// @custom:security-contact security@taiko.xyz
interface IBridge {
enum Status {
NEW,
RETRIABLE,
DONE,
FAILED,
RECALLED
}
enum StatusReason {
INVOCATION_OK,
INVOCATION_PROHIBITED,
INVOCATION_FAILED,
OUT_OF_ETH_QUOTA
}
struct Message {
// Message ID whose value is automatically assigned.
uint64 id;
// The max processing fee for the relayer. This fee has 3 parts:
// - the fee for message calldata.
// - the minimal fee reserve for general processing, excluding function call.
// - the invocation fee for the function call.
// Any unpaid fee will be refunded to the destOwner on the destination chain.
// Note that fee must be 0 if gasLimit is 0, or large enough to make the invocation fee
// non-zero.
uint64 fee;
// gasLimit that the processMessage call must have.
uint32 gasLimit;
// The address, EOA or contract, that interacts with this bridge.
// The value is automatically assigned.
address from;
// Source chain ID whose value is automatically assigned.
uint64 srcChainId;
// The owner of the message on the source chain.
address srcOwner;
// Destination chain ID where the `to` address lives.
uint64 destChainId;
// The owner of the message on the destination chain.
address destOwner;
// The destination address on the destination chain.
address to;
// value to invoke on the destination chain.
uint256 value;
// callData to invoke on the destination chain.
bytes data;
}
// Struct representing the context of a bridge operation.
// 2 slots
struct Context {
bytes32 msgHash; // Message hash.
address from; // Sender's address.
uint64 srcChainId; // Source chain ID.
}
/// @notice Emitted when a message is sent.
/// @param msgHash The hash of the message.
/// @param message The message.
event MessageSent(bytes32 indexed msgHash, Message message);
/// @notice Emitted when the status of a message changes.
/// @param msgHash The hash of the message.
/// @param status The new status of the message.
event MessageStatusChanged(bytes32 indexed msgHash, Status status);
/// @notice Sends a message to the destination chain and takes custody
/// of Ether required in this contract.
/// @param _message The message to be sent.
/// @return msgHash_ The hash of the sent message.
/// @return message_ The updated message sent.
function sendMessage(Message calldata _message)
external
payable
returns (bytes32 msgHash_, Message memory message_);
/// @notice Recalls a failed message on its source chain, releasing
/// associated assets.
/// @dev This function checks if the message failed on the source chain and
/// releases associated Ether or tokens.
/// @param _message The message whose associated Ether should be released.
/// @param _proof The merkle inclusion proof.
function recallMessage(Message calldata _message, bytes calldata _proof) external;
/// @notice Processes a bridge message on the destination chain. This
/// function is callable by any address, including the `message.destOwner`.
/// @dev The process begins by hashing the message and checking the message
/// status in the bridge If the status is "NEW", the message is invoked. The
/// status is updated accordingly, and processing fees are refunded as
/// needed.
/// @param _message The message to be processed.
/// @param _proof The merkle inclusion proof.
/// @return The message's status after processing and the reason for the change.
function processMessage(
Message calldata _message,
bytes calldata _proof
)
external
returns (Status, StatusReason);
/// @notice Retries to invoke the messageCall after releasing associated
/// Ether and tokens.
/// @dev This function can be called by any address, including the
/// `message.destOwner`.
/// It attempts to invoke the messageCall and updates the message status
/// accordingly.
/// @param _message The message to retry.
/// @param _isLastAttempt Specifies if this is the last attempt to retry the
/// message.
function retryMessage(Message calldata _message, bool _isLastAttempt) external;
/// @notice Mark a message as failed if the message is currently retriable.
/// @dev This function can only be called by `message.destOwner`.
/// @param _message The message to fail.
/// message.
function failMessage(Message calldata _message) external;
/// @notice Returns the bridge state context.
/// @return ctx_ The context of the current bridge operation.
function context() external view returns (Context memory ctx_);
/// @notice Checks if the message was sent.
/// @param _message The message.
/// @return true if the message was sent.
function isMessageSent(Message calldata _message) external view returns (bool);
/// @notice Hash the message
/// @param _message The message struct variable to be hashed.
/// @return The message's hash.
function hashMessage(Message memory _message) external pure returns (bytes32);
}
/// @title IRecallableSender
/// @notice An interface that all recallable message senders shall implement.
interface IRecallableSender {
/// @notice Called when a message is recalled.
/// @param _message The recalled message.
/// @param _msgHash The hash of the recalled message.
function onMessageRecalled(
IBridge.Message calldata _message,
bytes32 _msgHash
)
external
payable;
}
/// @title IMessageInvocable
/// @notice An interface that all bridge message receiver shall implement
interface IMessageInvocable {
/// @notice Called when this contract is the bridge target.
/// @param _data The data for this contract to interpret.
/// @dev This method should be guarded with `onlyFromNamed("bridge")`.
function onMessageInvocation(bytes calldata _data) external payable;
}
node_modules/@openzeppelin/contracts-upgradeable/utils/cryptography/ECDSAUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/ECDSA.sol)
pragma solidity ^0.8.0;
import "../StringsUpgradeable.sol";
/**
* @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
*
* These functions can be used to verify that a message was signed by the holder
* of the private keys of a given address.
*/
library ECDSAUpgradeable {
enum RecoverError {
NoError,
InvalidSignature,
InvalidSignatureLength,
InvalidSignatureS,
InvalidSignatureV // Deprecated in v4.8
}
function _throwError(RecoverError error) private pure {
if (error == RecoverError.NoError) {
return; // no error: do nothing
} 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");
}
}
/**
* @dev Returns the address that signed a hashed message (`hash`) with
* `signature` or error string. This address can then be used for verification purposes.
*
* The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
* this function rejects them by requiring the `s` value to be in the lower
* half order, and the `v` value to be either 27 or 28.
*
* IMPORTANT: `hash` _must_ be the result of a hash operation for the
* verification to be secure: it is possible to craft signatures that
* recover to arbitrary addresses for non-hashed data. A safe way to ensure
* this is by receiving a hash of the original message (which may otherwise
* be too long), and then calling {toEthSignedMessageHash} on it.
*
* Documentation for signature generation:
* - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
* - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
*
* _Available since v4.3._
*/
function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
if (signature.length == 65) {
bytes32 r;
bytes32 s;
uint8 v;
// ecrecover takes the signature parameters, and the only way to get them
// currently is to use assembly.
/// @solidity memory-safe-assembly
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);
}
}
/**
* @dev Returns the address that signed a hashed message (`hash`) with
* `signature`. This address can then be used for verification purposes.
*
* The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
* this function rejects them by requiring the `s` value to be in the lower
* half order, and the `v` value to be either 27 or 28.
*
* IMPORTANT: `hash` _must_ be the result of a hash operation for the
* verification to be secure: it is possible to craft signatures that
* recover to arbitrary addresses for non-hashed data. A safe way to ensure
* this is by receiving a hash of the original message (which may otherwise
* be too long), and then calling {toEthSignedMessageHash} on it.
*/
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, signature);
_throwError(error);
return recovered;
}
/**
* @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
*
* See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
*
* _Available since v4.3._
*/
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);
}
/**
* @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
*
* _Available since v4.2._
*/
function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, r, vs);
_throwError(error);
return recovered;
}
/**
* @dev Overload of {ECDSA-tryRecover} that receives the `v`,
* `r` and `s` signature fields separately.
*
* _Available since v4.3._
*/
function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address, RecoverError) {
// EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
// unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
// the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
// signatures from current libraries generate a unique signature with an s-value in the lower half order.
//
// If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
// with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
// vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
// these malleable signatures as well.
if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
return (address(0), RecoverError.InvalidSignatureS);
}
// If the signature is valid (and not malleable), return the signer address
address signer = ecrecover(hash, v, r, s);
if (signer == address(0)) {
return (address(0), RecoverError.InvalidSignature);
}
return (signer, RecoverError.NoError);
}
/**
* @dev Overload of {ECDSA-recover} that receives the `v`,
* `r` and `s` signature fields separately.
*/
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;
}
/**
* @dev Returns an Ethereum Signed Message, created from a `hash`. This
* produces hash corresponding to the one signed with the
* https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
* JSON-RPC method as part of EIP-191.
*
* See {recover}.
*/
function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 message) {
// 32 is the length in bytes of hash,
// enforced by the type signature above
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, "\x19Ethereum Signed Message:\n32")
mstore(0x1c, hash)
message := keccak256(0x00, 0x3c)
}
}
/**
* @dev Returns an Ethereum Signed Message, created from `s`. This
* produces hash corresponding to the one signed with the
* https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
* JSON-RPC method as part of EIP-191.
*
* See {recover}.
*/
function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", StringsUpgradeable.toString(s.length), s));
}
/**
* @dev Returns an Ethereum Signed Typed Data, created from a
* `domainSeparator` and a `structHash`. This produces hash corresponding
* to the one signed with the
* https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
* JSON-RPC method as part of EIP-712.
*
* See {recover}.
*/
function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 data) {
/// @solidity memory-safe-assembly
assembly {
let ptr := mload(0x40)
mstore(ptr, "\x19\x01")
mstore(add(ptr, 0x02), domainSeparator)
mstore(add(ptr, 0x22), structHash)
data := keccak256(ptr, 0x42)
}
}
/**
* @dev Returns an Ethereum Signed Data with intended validator, created from a
* `validator` and `data` according to the version 0 of EIP-191.
*
* See {recover}.
*/
function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19\x00", validator, data));
}
}
node_modules/@openzeppelin/contracts/interfaces/IERC1271.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC1271.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC1271 standard signature validation method for
* contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
*
* _Available since v4.1._
*/
interface IERC1271 {
/**
* @dev Should return whether the signature provided is valid for the provided data
* @param hash Hash of the data to be signed
* @param signature Signature byte array associated with _data
*/
function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
}
node_modules/@openzeppelin/contracts-upgradeable/utils/CountersUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Counters.sol)
pragma solidity ^0.8.0;
/**
* @title Counters
* @author Matt Condon (@shrugs)
* @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number
* of elements in a mapping, issuing ERC721 ids, or counting request ids.
*
* Include with `using Counters for Counters.Counter;`
*/
library CountersUpgradeable {
struct Counter {
// This variable should never be directly accessed by users of the library: interactions must be restricted to
// the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
// this feature: see https://github.com/ethereum/solidity/issues/4637
uint256 _value; // default: 0
}
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;
}
}
node_modules/@openzeppelin/contracts/utils/StorageSlot.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.
pragma solidity ^0.8.0;
/**
* @dev Library for reading and writing primitive types to specific storage slots.
*
* Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
* This library helps with reading and writing to such slots without the need for inline assembly.
*
* The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
*
* Example usage to set ERC1967 implementation slot:
* ```solidity
* contract ERC1967 {
* bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
*
* function _getImplementation() internal view returns (address) {
* return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
* }
*
* function _setImplementation(address newImplementation) internal {
* require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
* StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
* }
* }
* ```
*
* _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._
* _Available since v4.9 for `string`, `bytes`._
*/
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;
}
/**
* @dev Returns an `AddressSlot` with member `value` located at `slot`.
*/
function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BooleanSlot` with member `value` located at `slot`.
*/
function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
*/
function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Uint256Slot` with member `value` located at `slot`.
*/
function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `StringSlot` with member `value` located at `slot`.
*/
function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `StringSlot` representation of the string storage pointer `store`.
*/
function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := store.slot
}
}
/**
* @dev Returns an `BytesSlot` with member `value` located at `slot`.
*/
function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
*/
function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := store.slot
}
}
}
contracts/common/IAddressResolver.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;
/// @title IAddressResolver
/// @notice This contract acts as a bridge for name-to-address resolution.
/// It delegates the resolution to the AddressManager. By separating the logic,
/// we can maintain flexibility in address management without affecting the
/// resolving process.
/// @dev Note that the address manager should be changed using upgradability, there
/// is no setAddressManager() function to guarantee atomicity across all
/// contracts that are resolvers.
/// @custom:security-contact security@taiko.xyz
interface IAddressResolver {
/// @notice Resolves a name to its address deployed on this chain.
/// @param _name Name whose address is to be resolved.
/// @param _allowZeroAddress If set to true, does not throw if the resolved
/// address is `address(0)`.
/// @return Address associated with the given name.
function resolve(
bytes32 _name,
bool _allowZeroAddress
)
external
view
returns (address payable);
/// @notice Resolves a name to its address deployed on a specified chain.
/// @param _chainId The chainId of interest.
/// @param _name Name whose address is to be resolved.
/// @param _allowZeroAddress If set to true, does not throw if the resolved
/// address is `address(0)`.
/// @return Address associated with the given name on the specified
/// chain.
function resolve(
uint64 _chainId,
bytes32 _name,
bool _allowZeroAddress
)
external
view
returns (address payable);
}
node_modules/@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)
pragma solidity ^0.8.0;
import {Initializable} from "../proxy/utils/Initializable.sol";
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract ContextUpgradeable is Initializable {
function __Context_init() internal onlyInitializing {
}
function __Context_init_unchained() internal onlyInitializing {
}
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;
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[50] private __gap;
}
node_modules/@openzeppelin/contracts-upgradeable/interfaces/IERC5805Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC5805.sol)
pragma solidity ^0.8.0;
import "../governance/utils/IVotesUpgradeable.sol";
import "./IERC6372Upgradeable.sol";
interface IERC5805Upgradeable is IERC6372Upgradeable, IVotesUpgradeable {}
node_modules/@openzeppelin/contracts-upgradeable/governance/utils/IVotesUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (governance/utils/IVotes.sol)
pragma solidity ^0.8.0;
/**
* @dev Common interface for {ERC20Votes}, {ERC721Votes}, and other {Votes}-enabled contracts.
*
* _Available since v4.5._
*/
interface IVotesUpgradeable {
/**
* @dev Emitted when an account changes their delegate.
*/
event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);
/**
* @dev Emitted when a token transfer or delegate change results in changes to a delegate's number of votes.
*/
event DelegateVotesChanged(address indexed delegate, uint256 previousBalance, uint256 newBalance);
/**
* @dev Returns the current amount of votes that `account` has.
*/
function getVotes(address account) external view returns (uint256);
/**
* @dev Returns the amount of votes that `account` had at a specific moment in the past. If the `clock()` is
* configured to use block numbers, this will return the value at the end of the corresponding block.
*/
function getPastVotes(address account, uint256 timepoint) external view returns (uint256);
/**
* @dev Returns the total supply of votes available at a specific moment in the past. If the `clock()` is
* configured to use block numbers, this will return the value at the end of the corresponding block.
*
* NOTE: This value is the sum of all available votes, which is not necessarily the sum of all delegated votes.
* Votes that have not been delegated are still part of total supply, even though they would not participate in a
* vote.
*/
function getPastTotalSupply(uint256 timepoint) external view returns (uint256);
/**
* @dev Returns the delegate that `account` has chosen.
*/
function delegates(address account) external view returns (address);
/**
* @dev Delegates votes from the sender to `delegatee`.
*/
function delegate(address delegatee) external;
/**
* @dev Delegates votes from signer to `delegatee`.
*/
function delegateBySig(address delegatee, uint256 nonce, uint256 expiry, uint8 v, bytes32 r, bytes32 s) external;
}
contracts/libs/LibAddress.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import "@openzeppelin/contracts/interfaces/IERC1271.sol";
/// @title LibAddress
/// @dev Provides utilities for address-related operations.
/// @custom:security-contact security@taiko.xyz
library LibAddress {
error ETH_TRANSFER_FAILED();
/// @dev Sends Ether to the specified address. This method will not revert even if sending ether
/// fails.
/// This function is inspired by
/// https://github.com/nomad-xyz/ExcessivelySafeCall/blob/main/src/ExcessivelySafeCall.sol
/// @param _to The recipient address.
/// @param _amount The amount of Ether to send in wei.
/// @param _gasLimit The max amount gas to pay for this transaction.
/// @return success_ true if the call is successful, false otherwise.
function sendEther(
address _to,
uint256 _amount,
uint256 _gasLimit,
bytes memory _calldata
)
internal
returns (bool success_)
{
// Check for zero-address transactions
if (_to == address(0)) revert ETH_TRANSFER_FAILED();
// dispatch message to recipient
// by assembly calling "handle" function
// we call via assembly to avoid memcopying a very large returndata
// returned by a malicious contract
assembly {
success_ :=
call(
_gasLimit, // gas
_to, // recipient
_amount, // ether value
add(_calldata, 0x20), // inloc
mload(_calldata), // inlen
0, // outloc
0 // outlen
)
}
}
/// @dev Sends Ether to the specified address. This method will revert if sending ether fails.
/// @param _to The recipient address.
/// @param _amount The amount of Ether to send in wei.
/// @param _gasLimit The max amount gas to pay for this transaction.
function sendEtherAndVerify(address _to, uint256 _amount, uint256 _gasLimit) internal {
if (_amount == 0) return;
if (!sendEther(_to, _amount, _gasLimit, "")) {
revert ETH_TRANSFER_FAILED();
}
}
/// @dev Sends Ether to the specified address. This method will revert if sending ether fails.
/// @param _to The recipient address.
/// @param _amount The amount of Ether to send in wei.
function sendEtherAndVerify(address _to, uint256 _amount) internal {
sendEtherAndVerify(_to, _amount, gasleft());
}
function supportsInterface(
address _addr,
bytes4 _interfaceId
)
internal
view
returns (bool result_)
{
if (!Address.isContract(_addr)) return false;
try IERC165(_addr).supportsInterface(_interfaceId) returns (bool _result) {
result_ = _result;
} catch { }
}
}
node_modules/@openzeppelin/contracts-upgradeable/token/ERC20/extensions/IERC20PermitUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/IERC20Permit.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
* https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
*
* Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
* presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
* need to send a transaction, and thus is not required to hold Ether at all.
*
* ==== Security Considerations
*
* There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
* expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
* considered as an intention to spend the allowance in any specific way. The second is that because permits have
* built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
* take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
* generally recommended is:
*
* ```solidity
* function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
* try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
* doThing(..., value);
* }
*
* function doThing(..., uint256 value) public {
* token.safeTransferFrom(msg.sender, address(this), value);
* ...
* }
* ```
*
* Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
* `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
* {SafeERC20-safeTransferFrom}).
*
* Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
* contracts should have entry points that don't rely on permit.
*/
interface IERC20PermitUpgradeable {
/**
* @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
* given ``owner``'s signed approval.
*
* IMPORTANT: The same issues {IERC20-approve} has related to transaction
* ordering also apply here.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `deadline` must be a timestamp in the future.
* - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
* over the EIP712-formatted function arguments.
* - the signature must use ``owner``'s current nonce (see {nonces}).
*
* For more information on the signature format, see the
* https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
* section].
*
* CAUTION: See Security Considerations above.
*/
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
/**
* @dev Returns the current nonce for `owner`. This value must be
* included whenever a signature is generated for {permit}.
*
* Every successful call to {permit} increases ``owner``'s nonce by one. This
* prevents a signature from being used multiple times.
*/
function nonces(address owner) external view returns (uint256);
/**
* @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
*/
// solhint-disable-next-line func-name-mixedcase
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
node_modules/@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20Upgradeable {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `from` to `to` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 amount) external returns (bool);
}
contracts/common/LibStrings.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;
/// @title LibStrings
/// @custom:security-contact security@taiko.xyz
library LibStrings {
bytes32 internal constant B_ASSIGNMENT_HOOK = bytes32("assignment_hook");
bytes32 internal constant B_AUTOMATA_DCAP_ATTESTATION = bytes32("automata_dcap_attestation");
bytes32 internal constant B_BRIDGE = bytes32("bridge");
bytes32 internal constant B_BRIDGE_WATCHDOG = bytes32("bridge_watchdog");
bytes32 internal constant B_BRIDGED_ERC1155 = bytes32("bridged_erc1155");
bytes32 internal constant B_BRIDGED_ERC20 = bytes32("bridged_erc20");
bytes32 internal constant B_BRIDGED_ERC721 = bytes32("bridged_erc721");
bytes32 internal constant B_CHAIN_WATCHDOG = bytes32("chain_watchdog");
bytes32 internal constant B_ERC1155_VAULT = bytes32("erc1155_vault");
bytes32 internal constant B_ERC20_VAULT = bytes32("erc20_vault");
bytes32 internal constant B_ERC721_VAULT = bytes32("erc721_vault");
bytes32 internal constant B_PROPOSER = bytes32("proposer");
bytes32 internal constant B_PROPOSER_ONE = bytes32("proposer_one");
bytes32 internal constant B_PROVER_ASSIGNMENT = bytes32("PROVER_ASSIGNMENT");
bytes32 internal constant B_PROVER_SET = bytes32("prover_set");
bytes32 internal constant B_QUOTA_MANAGER = bytes32("quota_manager");
bytes32 internal constant B_SGX_WATCHDOG = bytes32("sgx_watchdog");
bytes32 internal constant B_SIGNAL_SERVICE = bytes32("signal_service");
bytes32 internal constant B_TAIKO = bytes32("taiko");
bytes32 internal constant B_TAIKO_TOKEN = bytes32("taiko_token");
bytes32 internal constant B_TIER_GUARDIAN = bytes32("tier_guardian");
bytes32 internal constant B_TIER_GUARDIAN_MINORITY = bytes32("tier_guardian_minority");
bytes32 internal constant B_TIER_PROVIDER = bytes32("tier_provider");
bytes32 internal constant B_TIER_SGX = bytes32("tier_sgx");
bytes32 internal constant B_TIER_SGX_ZKVM = bytes32("tier_sgx_zkvm");
bytes32 internal constant B_WITHDRAWER = bytes32("withdrawer");
bytes32 internal constant H_RETURN_LIVENESS_BOND = keccak256("RETURN_LIVENESS_BOND");
bytes32 internal constant H_SIGNAL_ROOT = keccak256("SIGNAL_ROOT");
bytes32 internal constant H_STATE_ROOT = keccak256("STATE_ROOT");
}
node_modules/@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol)
pragma solidity ^0.8.2;
import "../../utils/AddressUpgradeable.sol";
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
* reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
* case an upgrade adds a module that needs to be initialized.
*
* For example:
*
* [.hljs-theme-light.nopadding]
* ```solidity
* contract MyToken is ERC20Upgradeable {
* function initialize() initializer public {
* __ERC20_init("MyToken", "MTK");
* }
* }
*
* contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
* function initializeV2() reinitializer(2) public {
* __ERC20Permit_init("MyToken");
* }
* }
* ```
*
* TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
* possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
*
* CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
* that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
*
* [CAUTION]
* ====
* Avoid leaving a contract uninitialized.
*
* An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
* contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
* the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
*
* [.hljs-theme-light.nopadding]
* ```
* /// @custom:oz-upgrades-unsafe-allow constructor
* constructor() {
* _disableInitializers();
* }
* ```
* ====
*/
abstract contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
* @custom:oz-retyped-from bool
*/
uint8 private _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private _initializing;
/**
* @dev Triggered when the contract has been initialized or reinitialized.
*/
event Initialized(uint8 version);
/**
* @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
* `onlyInitializing` functions can be used to initialize parent contracts.
*
* Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a
* constructor.
*
* Emits an {Initialized} event.
*/
modifier initializer() {
bool isTopLevelCall = !_initializing;
require(
(isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
"Initializable: contract is already initialized"
);
_initialized = 1;
if (isTopLevelCall) {
_initializing = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
emit Initialized(1);
}
}
/**
* @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
* contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
* used to initialize parent contracts.
*
* A reinitializer may be used after the original initialization step. This is essential to configure modules that
* are added through upgrades and that require initialization.
*
* When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
* cannot be nested. If one is invoked in the context of another, execution will revert.
*
* Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
* a contract, executing them in the right order is up to the developer or operator.
*
* WARNING: setting the version to 255 will prevent any future reinitialization.
*
* Emits an {Initialized} event.
*/
modifier reinitializer(uint8 version) {
require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
_initialized = version;
_initializing = true;
_;
_initializing = false;
emit Initialized(version);
}
/**
* @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
* {initializer} and {reinitializer} modifiers, directly or indirectly.
*/
modifier onlyInitializing() {
require(_initializing, "Initializable: contract is not initializing");
_;
}
/**
* @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
* Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
* to any version. It is recommended to use this to lock implementation contracts that are designed to be called
* through proxies.
*
* Emits an {Initialized} event the first time it is successfully executed.
*/
function _disableInitializers() internal virtual {
require(!_initializing, "Initializable: contract is initializing");
if (_initialized != type(uint8).max) {
_initialized = type(uint8).max;
emit Initialized(type(uint8).max);
}
}
/**
* @dev Returns the highest version that has been initialized. See {reinitializer}.
*/
function _getInitializedVersion() internal view returns (uint8) {
return _initialized;
}
/**
* @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
*/
function _isInitializing() internal view returns (bool) {
return _initializing;
}
}
node_modules/@openzeppelin/contracts-upgradeable/utils/cryptography/EIP712Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/EIP712.sol)
pragma solidity ^0.8.8;
import "./ECDSAUpgradeable.sol";
import "../../interfaces/IERC5267Upgradeable.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";
/**
* @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.
*
* The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible,
* thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding
* they need in their contracts using a combination of `abi.encode` and `keccak256`.
*
* This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding
* scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA
* ({_hashTypedDataV4}).
*
* The implementation of the domain separator was designed to be as efficient as possible while still properly updating
* the chain id to protect against replay attacks on an eventual fork of the chain.
*
* NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method
* https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].
*
* NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain
* separator of the implementation contract. This will cause the `_domainSeparatorV4` function to always rebuild the
* separator from the immutable values, which is cheaper than accessing a cached version in cold storage.
*
* _Available since v3.4._
*
* @custom:storage-size 52
*/
abstract contract EIP712Upgradeable is Initializable, IERC5267Upgradeable {
bytes32 private constant _TYPE_HASH =
keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");
/// @custom:oz-renamed-from _HASHED_NAME
bytes32 private _hashedName;
/// @custom:oz-renamed-from _HASHED_VERSION
bytes32 private _hashedVersion;
string private _name;
string private _version;
/**
* @dev Initializes the domain separator and parameter caches.
*
* The meaning of `name` and `version` is specified in
* https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:
*
* - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.
* - `version`: the current major version of the signing domain.
*
* NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart
* contract upgrade].
*/
function __EIP712_init(string memory name, string memory version) internal onlyInitializing {
__EIP712_init_unchained(name, version);
}
function __EIP712_init_unchained(string memory name, string memory version) internal onlyInitializing {
_name = name;
_version = version;
// Reset prior values in storage if upgrading
_hashedName = 0;
_hashedVersion = 0;
}
/**
* @dev Returns the domain separator for the current chain.
*/
function _domainSeparatorV4() internal view returns (bytes32) {
return _buildDomainSeparator();
}
function _buildDomainSeparator() private view returns (bytes32) {
return keccak256(abi.encode(_TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash(), block.chainid, address(this)));
}
/**
* @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this
* function returns the hash of the fully encoded EIP712 message for this domain.
*
* This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:
*
* ```solidity
* bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(
* keccak256("Mail(address to,string contents)"),
* mailTo,
* keccak256(bytes(mailContents))
* )));
* address signer = ECDSA.recover(digest, signature);
* ```
*/
function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {
return ECDSAUpgradeable.toTypedDataHash(_domainSeparatorV4(), structHash);
}
/**
* @dev See {EIP-5267}.
*
* _Available since v4.9._
*/
function eip712Domain()
public
view
virtual
override
returns (
bytes1 fields,
string memory name,
string memory version,
uint256 chainId,
address verifyingContract,
bytes32 salt,
uint256[] memory extensions
)
{
// If the hashed name and version in storage are non-zero, the contract hasn't been properly initialized
// and the EIP712 domain is not reliable, as it will be missing name and version.
require(_hashedName == 0 && _hashedVersion == 0, "EIP712: Uninitialized");
return (
hex"0f", // 01111
_EIP712Name(),
_EIP712Version(),
block.chainid,
address(this),
bytes32(0),
new uint256[](0)
);
}
/**
* @dev The name parameter for the EIP712 domain.
*
* NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
* are a concern.
*/
function _EIP712Name() internal virtual view returns (string memory) {
return _name;
}
/**
* @dev The version parameter for the EIP712 domain.
*
* NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
* are a concern.
*/
function _EIP712Version() internal virtual view returns (string memory) {
return _version;
}
/**
* @dev The hash of the name parameter for the EIP712 domain.
*
* NOTE: In previous versions this function was virtual. In this version you should override `_EIP712Name` instead.
*/
function _EIP712NameHash() internal view returns (bytes32) {
string memory name = _EIP712Name();
if (bytes(name).length > 0) {
return keccak256(bytes(name));
} else {
// If the name is empty, the contract may have been upgraded without initializing the new storage.
// We return the name hash in storage if non-zero, otherwise we assume the name is empty by design.
bytes32 hashedName = _hashedName;
if (hashedName != 0) {
return hashedName;
} else {
return keccak256("");
}
}
}
/**
* @dev The hash of the version parameter for the EIP712 domain.
*
* NOTE: In previous versions this function was virtual. In this version you should override `_EIP712Version` instead.
*/
function _EIP712VersionHash() internal view returns (bytes32) {
string memory version = _EIP712Version();
if (bytes(version).length > 0) {
return keccak256(bytes(version));
} else {
// If the version is empty, the contract may have been upgraded without initializing the new storage.
// We return the version hash in storage if non-zero, otherwise we assume the version is empty by design.
bytes32 hashedVersion = _hashedVersion;
if (hashedVersion != 0) {
return hashedVersion;
} else {
return keccak256("");
}
}
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[48] private __gap;
}
node_modules/@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../utils/ContextUpgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
function __Ownable_init() internal onlyInitializing {
__Ownable_init_unchained();
}
function __Ownable_init_unchained() internal onlyInitializing {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[49] private __gap;
}
node_modules/@openzeppelin/contracts/interfaces/draft-IERC1822.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)
pragma solidity ^0.8.0;
/**
* @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
* proxy whose upgrades are fully controlled by the current implementation.
*/
interface IERC1822Proxiable {
/**
* @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
* address.
*
* IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
* bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
* function revert if invoked through a proxy.
*/
function proxiableUUID() external view returns (bytes32);
}
node_modules/@openzeppelin/contracts/utils/Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
*
* Furthermore, `isContract` will also return true if the target contract within
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
* which only has an effect at the end of a transaction.
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
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");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
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");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
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);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
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);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
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);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/
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 {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
node_modules/@openzeppelin/contracts-upgradeable/interfaces/IERC5267Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC5267.sol)
pragma solidity ^0.8.0;
interface IERC5267Upgradeable {
/**
* @dev MAY be emitted to signal that the domain could have changed.
*/
event EIP712DomainChanged();
/**
* @dev returns the fields and values that describe the domain separator used by this contract for EIP-712
* signature.
*/
function eip712Domain()
external
view
returns (
bytes1 fields,
string memory name,
string memory version,
uint256 chainId,
address verifyingContract,
bytes32 salt,
uint256[] memory extensions
);
}
node_modules/@openzeppelin/contracts-upgradeable/utils/math/MathUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)
pragma solidity ^0.8.0;
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library MathUpgradeable {
enum Rounding {
Down, // Toward negative infinity
Up, // Toward infinity
Zero // Toward zero
}
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a > b ? a : b;
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow.
return (a & b) + (a ^ b) / 2;
}
/**
* @dev Returns the ceiling of the division of two numbers.
*
* This differs from standard division with `/` in that it rounds up instead
* of rounding down.
*/
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b - 1) / b can overflow on addition, so we distribute.
return a == 0 ? 0 : (a - 1) / b + 1;
}
/**
* @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
* @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
* with further edits by Uniswap Labs also under MIT license.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
unchecked {
// 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
// use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
// variables such that product = prod1 * 2^256 + prod0.
uint256 prod0; // Least significant 256 bits of the product
uint256 prod1; // Most significant 256 bits of the product
assembly {
let mm := mulmod(x, y, not(0))
prod0 := mul(x, y)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
// Handle non-overflow cases, 256 by 256 division.
if (prod1 == 0) {
// Solidity will revert if denominator == 0, unlike the div opcode on its own.
// The surrounding unchecked block does not change this fact.
// See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
return prod0 / denominator;
}
// Make sure the result is less than 2^256. Also prevents denominator == 0.
require(denominator > prod1, "Math: mulDiv overflow");
///////////////////////////////////////////////
// 512 by 256 division.
///////////////////////////////////////////////
// Make division exact by subtracting the remainder from [prod1 prod0].
uint256 remainder;
assembly {
// Compute remainder using mulmod.
remainder := mulmod(x, y, denominator)
// Subtract 256 bit number from 512 bit number.
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
// Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
// See https://cs.stackexchange.com/q/138556/92363.
// Does not overflow because the denominator cannot be zero at this stage in the function.
uint256 twos = denominator & (~denominator + 1);
assembly {
// Divide denominator by twos.
denominator := div(denominator, twos)
// Divide [prod1 prod0] by twos.
prod0 := div(prod0, twos)
// Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
twos := add(div(sub(0, twos), twos), 1)
}
// Shift in bits from prod1 into prod0.
prod0 |= prod1 * twos;
// Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
// that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
// four bits. That is, denominator * inv = 1 mod 2^4.
uint256 inverse = (3 * denominator) ^ 2;
// Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
// in modular arithmetic, doubling the correct bits in each step.
inverse *= 2 - denominator * inverse; // inverse mod 2^8
inverse *= 2 - denominator * inverse; // inverse mod 2^16
inverse *= 2 - denominator * inverse; // inverse mod 2^32
inverse *= 2 - denominator * inverse; // inverse mod 2^64
inverse *= 2 - denominator * inverse; // inverse mod 2^128
inverse *= 2 - denominator * inverse; // inverse mod 2^256
// Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
// This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
// less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
// is no longer required.
result = prod0 * inverse;
return result;
}
}
/**
* @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
*/
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;
}
/**
* @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
*
* Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
*/
function sqrt(uint256 a) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
// For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
//
// We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
// `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
//
// This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
// → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
// → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
//
// Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
uint256 result = 1 << (log2(a) >> 1);
// At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
// since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
// every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
// into the expected uint128 result.
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);
}
}
/**
* @notice Calculates sqrt(a), following the selected rounding direction.
*/
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);
}
}
/**
* @dev Return the log in base 2, rounded down, of a positive value.
* Returns 0 if given 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;
}
/**
* @dev Return the log in base 2, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
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);
}
}
/**
* @dev Return the log in base 10, rounded down, of a positive value.
* Returns 0 if given 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;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
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);
}
}
/**
* @dev Return the log in base 256, rounded down, of a positive value.
* Returns 0 if given 0.
*
* Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
*/
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;
}
/**
* @dev Return the log in base 256, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
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);
}
}
}
node_modules/@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library AddressUpgradeable {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
*
* Furthermore, `isContract` will also return true if the target contract within
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
* which only has an effect at the end of a transaction.
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
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");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
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");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
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);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
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);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
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);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/
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 {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
node_modules/@openzeppelin/contracts-upgradeable/utils/math/SignedMathUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)
pragma solidity ^0.8.0;
/**
* @dev Standard signed math utilities missing in the Solidity language.
*/
library SignedMathUpgradeable {
/**
* @dev Returns the largest of two signed numbers.
*/
function max(int256 a, int256 b) internal pure returns (int256) {
return a > b ? a : b;
}
/**
* @dev Returns the smallest of two signed numbers.
*/
function min(int256 a, int256 b) internal pure returns (int256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two signed numbers without overflow.
* The result is rounded towards zero.
*/
function average(int256 a, int256 b) internal pure returns (int256) {
// Formula from the book "Hacker's Delight"
int256 x = (a & b) + ((a ^ b) >> 1);
return x + (int256(uint256(x) >> 255) & (a ^ b));
}
/**
* @dev Returns the absolute unsigned value of a signed value.
*/
function abs(int256 n) internal pure returns (uint256) {
unchecked {
// must be unchecked in order to support `n = type(int256).min`
return uint256(n >= 0 ? n : -n);
}
}
}
node_modules/@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/ERC20.sol)
pragma solidity ^0.8.0;
import "./IERC20Upgradeable.sol";
import "./extensions/IERC20MetadataUpgradeable.sol";
import "../../utils/ContextUpgradeable.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* The default value of {decimals} is 18. To change this, you should override
* this function so it returns a different value.
*
* We have followed general OpenZeppelin Contracts guidelines: functions revert
* instead returning `false` on failure. This behavior is nonetheless
* conventional and does not conflict with the expectations of ERC20
* applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20Upgradeable, IERC20MetadataUpgradeable {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
function __ERC20_init(string memory name_, string memory symbol_) internal onlyInitializing {
__ERC20_init_unchained(name_, symbol_);
}
function __ERC20_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5.05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the default value returned by this function, unless
* it's overridden.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual override returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
* `transferFrom`. This is semantically equivalent to an infinite approval.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* NOTE: Does not update the allowance if the current allowance
* is the maximum `uint256`.
*
* Requirements:
*
* - `from` and `to` cannot be the zero address.
* - `from` must have a balance of at least `amount`.
* - the caller must have allowance for ``from``'s tokens of at least
* `amount`.
*/
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;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
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;
}
/**
* @dev Moves `amount` of tokens from `from` to `to`.
*
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `from` must have a balance of at least `amount`.
*/
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;
// Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
// decrementing then incrementing.
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
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 {
// Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
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;
// Overflow not possible: amount <= accountBalance <= totalSupply.
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
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);
}
/**
* @dev Updates `owner` s allowance for `spender` based on spent `amount`.
*
* Does not update the allowance amount in case of infinite allowance.
* Revert if not enough allowance is available.
*
* Might emit an {Approval} event.
*/
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);
}
}
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
/**
* @dev Hook that is called after any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* has been transferred to `to`.
* - when `from` is zero, `amount` tokens have been minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens have been burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[45] private __gap;
}
node_modules/@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)
pragma solidity ^0.8.0;
import "./math/MathUpgradeable.sol";
import "./math/SignedMathUpgradeable.sol";
/**
* @dev String operations.
*/
library StringsUpgradeable {
bytes16 private constant _SYMBOLS = "0123456789abcdef";
uint8 private constant _ADDRESS_LENGTH = 20;
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
unchecked {
uint256 length = MathUpgradeable.log10(value) + 1;
string memory buffer = new string(length);
uint256 ptr;
/// @solidity memory-safe-assembly
assembly {
ptr := add(buffer, add(32, length))
}
while (true) {
ptr--;
/// @solidity memory-safe-assembly
assembly {
mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
}
value /= 10;
if (value == 0) break;
}
return buffer;
}
}
/**
* @dev Converts a `int256` to its ASCII `string` decimal representation.
*/
function toString(int256 value) internal pure returns (string memory) {
return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMathUpgradeable.abs(value))));
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
unchecked {
return toHexString(value, MathUpgradeable.log256(value) + 1);
}
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
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);
}
/**
* @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
*/
function toHexString(address addr) internal pure returns (string memory) {
return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
}
/**
* @dev Returns true if the two strings are equal.
*/
function equal(string memory a, string memory b) internal pure returns (bool) {
return keccak256(bytes(a)) == keccak256(bytes(b));
}
}
contracts/bridge/IQuotaManager.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;
/// @title IQuotaManager
/// @custom:security-contact security@taiko.xyz
interface IQuotaManager {
/// @notice Consumes a specific amount of quota for a given address.
/// This function must revert if available quota is smaller than the given amount of quota.
///
/// @dev Note that IQuotaManager is used by vaults and bridge, and should be registered in a
/// shared address manager on the L1, therefore, a registered IQuotaManager and its per-token
/// quota settings will be shared by all Taiko L2s. To enable a per-L2 quota, we need to modify
/// this function to:
/// `function consumeQuota(uint256 _srcChainId, address _token, uint256 _amount) `
///
/// @param _token The token address. Ether is represented with address(0).
/// @param _amount The amount of quota to consume.
function consumeQuota(address _token, uint256 _amount) external;
}
contracts/common/EssentialContract.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;
import "@openzeppelin/contracts/proxy/utils/UUPSUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/access/Ownable2StepUpgradeable.sol";
import "./AddressResolver.sol";
import "../libs/LibNetwork.sol";
/// @title EssentialContract
/// @custom:security-contact security@taiko.xyz
abstract contract EssentialContract is UUPSUpgradeable, Ownable2StepUpgradeable, AddressResolver {
uint8 private constant _FALSE = 1;
uint8 private constant _TRUE = 2;
/// @dev The slot in transient storage of the reentry lock.
/// This is the result of keccak256("ownerUUPS.reentry_slot") plus 1. The addition aims to
/// prevent hash collisions with slots defined in EIP-1967, where slots are derived by
/// keccak256("something") - 1, and with slots in SignalService, calculated directly with
/// keccak256("something").
bytes32 private constant _REENTRY_SLOT =
0xa5054f728453d3dbe953bdc43e4d0cb97e662ea32d7958190f3dc2da31d9721b;
/// @dev Slot 1.
uint8 private __reentry;
uint8 private __paused;
uint64 public lastUnpausedAt;
uint256[49] private __gap;
/// @notice Emitted when the contract is paused.
/// @param account The account that paused the contract.
event Paused(address account);
/// @notice Emitted when the contract is unpaused.
/// @param account The account that unpaused the contract.
event Unpaused(address account);
error INVALID_PAUSE_STATUS();
error FUNC_NOT_IMPLEMENTED();
error REENTRANT_CALL();
error ZERO_ADDRESS();
error ZERO_VALUE();
/// @dev Modifier that ensures the caller is the owner or resolved address of a given name.
/// @param _name The name to check against.
modifier onlyFromOwnerOrNamed(bytes32 _name) {
if (msg.sender != owner() && msg.sender != resolve(_name, true)) revert RESOLVER_DENIED();
_;
}
modifier notImplemented() {
revert FUNC_NOT_IMPLEMENTED();
_;
}
modifier nonReentrant() {
if (_loadReentryLock() == _TRUE) revert REENTRANT_CALL();
_storeReentryLock(_TRUE);
_;
_storeReentryLock(_FALSE);
}
modifier whenPaused() {
if (!paused()) revert INVALID_PAUSE_STATUS();
_;
}
modifier whenNotPaused() {
if (paused()) revert INVALID_PAUSE_STATUS();
_;
}
modifier nonZeroAddr(address _addr) {
if (_addr == address(0)) revert ZERO_ADDRESS();
_;
}
modifier nonZeroValue(bytes32 _value) {
if (_value == 0) revert ZERO_VALUE();
_;
}
/// @custom:oz-upgrades-unsafe-allow constructor
constructor() {
_disableInitializers();
}
/// @notice Pauses the contract.
function pause() public virtual {
_pause();
// We call the authorize function here to avoid:
// Warning (5740): Unreachable code.
_authorizePause(msg.sender, true);
}
/// @notice Unpauses the contract.
function unpause() public virtual {
_unpause();
// We call the authorize function here to avoid:
// Warning (5740): Unreachable code.
_authorizePause(msg.sender, false);
}
function impl() public view returns (address) {
return _getImplementation();
}
/// @notice Returns true if the contract is paused, and false otherwise.
/// @return true if paused, false otherwise.
function paused() public view returns (bool) {
return __paused == _TRUE;
}
function inNonReentrant() public view returns (bool) {
return _loadReentryLock() == _TRUE;
}
/// @notice Initializes the contract.
/// @param _owner The owner of this contract. msg.sender will be used if this value is zero.
/// @param _addressManager The address of the {AddressManager} contract.
function __Essential_init(
address _owner,
address _addressManager
)
internal
nonZeroAddr(_addressManager)
{
__Essential_init(_owner);
__AddressResolver_init(_addressManager);
}
function __Essential_init(address _owner) internal virtual onlyInitializing {
__Context_init();
_transferOwnership(_owner == address(0) ? msg.sender : _owner);
__paused = _FALSE;
}
function _pause() internal whenNotPaused {
__paused = _TRUE;
emit Paused(msg.sender);
}
function _unpause() internal whenPaused {
__paused = _FALSE;
lastUnpausedAt = uint64(block.timestamp);
emit Unpaused(msg.sender);
}
function _authorizeUpgrade(address) internal virtual override onlyOwner { }
function _authorizePause(address, bool) internal virtual onlyOwner { }
// Stores the reentry lock
function _storeReentryLock(uint8 _reentry) internal virtual {
if (LibNetwork.isDencunSupported(block.chainid)) {
assembly {
tstore(_REENTRY_SLOT, _reentry)
}
} else {
__reentry = _reentry;
}
}
// Loads the reentry lock
function _loadReentryLock() internal view virtual returns (uint8 reentry_) {
if (LibNetwork.isDencunSupported(block.chainid)) {
assembly {
reentry_ := tload(_REENTRY_SLOT)
}
} else {
reentry_ = __reentry;
}
}
}
Compiler Settings
{"viaIR":false,"remappings":["@openzeppelin/contracts-upgradeable/=node_modules/@openzeppelin/contracts-upgradeable/","@openzeppelin/contracts/=node_modules/@openzeppelin/contracts/","solady/=node_modules/solady/","forge-std/=node_modules/forge-std/","ds-test/=node_modules/ds-test/src/","p256-verifier/=node_modules/p256-verifier/","forge-safe/=node_modules/forge-safe/"],"outputSelection":{"*":{"*":["*"],"":["*"]}},"optimizer":{"runs":200,"enabled":true},"metadata":{"useLiteralContent":false,"bytecodeHash":"ipfs","appendCBOR":true},"libraries":{},"evmVersion":"cancun"}
Contract ABI
[{"type":"error","name":"B_INSUFFICIENT_GAS","inputs":[]},{"type":"error","name":"B_INVALID_CHAINID","inputs":[]},{"type":"error","name":"B_INVALID_CONTEXT","inputs":[]},{"type":"error","name":"B_INVALID_FEE","inputs":[]},{"type":"error","name":"B_INVALID_GAS_LIMIT","inputs":[]},{"type":"error","name":"B_INVALID_STATUS","inputs":[]},{"type":"error","name":"B_INVALID_VALUE","inputs":[]},{"type":"error","name":"B_MESSAGE_NOT_SENT","inputs":[]},{"type":"error","name":"B_OUT_OF_ETH_QUOTA","inputs":[]},{"type":"error","name":"B_PERMISSION_DENIED","inputs":[]},{"type":"error","name":"B_RETRY_FAILED","inputs":[]},{"type":"error","name":"B_SIGNAL_NOT_RECEIVED","inputs":[]},{"type":"error","name":"ETH_TRANSFER_FAILED","inputs":[]},{"type":"error","name":"FUNC_NOT_IMPLEMENTED","inputs":[]},{"type":"error","name":"INVALID_PAUSE_STATUS","inputs":[]},{"type":"error","name":"REENTRANT_CALL","inputs":[]},{"type":"error","name":"RESOLVER_DENIED","inputs":[]},{"type":"error","name":"RESOLVER_INVALID_MANAGER","inputs":[]},{"type":"error","name":"RESOLVER_UNEXPECTED_CHAINID","inputs":[]},{"type":"error","name":"RESOLVER_ZERO_ADDR","inputs":[{"type":"uint64","name":"chainId","internalType":"uint64"},{"type":"bytes32","name":"name","internalType":"bytes32"}]},{"type":"error","name":"ZERO_ADDRESS","inputs":[]},{"type":"error","name":"ZERO_VALUE","inputs":[]},{"type":"event","name":"AdminChanged","inputs":[{"type":"address","name":"previousAdmin","internalType":"address","indexed":false},{"type":"address","name":"newAdmin","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"BeaconUpgraded","inputs":[{"type":"address","name":"beacon","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"Initialized","inputs":[{"type":"uint8","name":"version","internalType":"uint8","indexed":false}],"anonymous":false},{"type":"event","name":"MessageProcessed","inputs":[{"type":"bytes32","name":"msgHash","internalType":"bytes32","indexed":true},{"type":"tuple","name":"message","internalType":"struct IBridge.Message","indexed":false,"components":[{"type":"uint64","name":"id","internalType":"uint64"},{"type":"uint64","name":"fee","internalType":"uint64"},{"type":"uint32","name":"gasLimit","internalType":"uint32"},{"type":"address","name":"from","internalType":"address"},{"type":"uint64","name":"srcChainId","internalType":"uint64"},{"type":"address","name":"srcOwner","internalType":"address"},{"type":"uint64","name":"destChainId","internalType":"uint64"},{"type":"address","name":"destOwner","internalType":"address"},{"type":"address","name":"to","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"},{"type":"bytes","name":"data","internalType":"bytes"}]},{"type":"tuple","name":"stats","internalType":"struct Bridge.ProcessingStats","indexed":false,"components":[{"type":"uint32","name":"gasUsedInFeeCalc","internalType":"uint32"},{"type":"uint32","name":"proofSize","internalType":"uint32"},{"type":"uint32","name":"numCacheOps","internalType":"uint32"}]}],"anonymous":false},{"type":"event","name":"MessageSent","inputs":[{"type":"bytes32","name":"msgHash","internalType":"bytes32","indexed":true},{"type":"tuple","name":"message","internalType":"struct IBridge.Message","indexed":false,"components":[{"type":"uint64","name":"id","internalType":"uint64"},{"type":"uint64","name":"fee","internalType":"uint64"},{"type":"uint32","name":"gasLimit","internalType":"uint32"},{"type":"address","name":"from","internalType":"address"},{"type":"uint64","name":"srcChainId","internalType":"uint64"},{"type":"address","name":"srcOwner","internalType":"address"},{"type":"uint64","name":"destChainId","internalType":"uint64"},{"type":"address","name":"destOwner","internalType":"address"},{"type":"address","name":"to","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"},{"type":"bytes","name":"data","internalType":"bytes"}]}],"anonymous":false},{"type":"event","name":"MessageStatusChanged","inputs":[{"type":"bytes32","name":"msgHash","internalType":"bytes32","indexed":true},{"type":"uint8","name":"status","internalType":"enum IBridge.Status","indexed":false}],"anonymous":false},{"type":"event","name":"OwnershipTransferStarted","inputs":[{"type":"address","name":"previousOwner","internalType":"address","indexed":true},{"type":"address","name":"newOwner","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"OwnershipTransferred","inputs":[{"type":"address","name":"previousOwner","internalType":"address","indexed":true},{"type":"address","name":"newOwner","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"Paused","inputs":[{"type":"address","name":"account","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"Unpaused","inputs":[{"type":"address","name":"account","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"Upgraded","inputs":[{"type":"address","name":"implementation","internalType":"address","indexed":true}],"anonymous":false},{"type":"function","stateMutability":"view","outputs":[{"type":"uint32","name":"","internalType":"uint32"}],"name":"GAS_OVERHEAD","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint32","name":"","internalType":"uint32"}],"name":"GAS_RESERVE","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"acceptOwnership","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"addressManager","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"tuple","name":"ctx_","internalType":"struct IBridge.Context","components":[{"type":"bytes32","name":"msgHash","internalType":"bytes32"},{"type":"address","name":"from","internalType":"address"},{"type":"uint64","name":"srcChainId","internalType":"uint64"}]}],"name":"context","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"failMessage","inputs":[{"type":"tuple","name":"_message","internalType":"struct IBridge.Message","components":[{"type":"uint64","name":"id","internalType":"uint64"},{"type":"uint64","name":"fee","internalType":"uint64"},{"type":"uint32","name":"gasLimit","internalType":"uint32"},{"type":"address","name":"from","internalType":"address"},{"type":"uint64","name":"srcChainId","internalType":"uint64"},{"type":"address","name":"srcOwner","internalType":"address"},{"type":"uint64","name":"destChainId","internalType":"uint64"},{"type":"address","name":"destOwner","internalType":"address"},{"type":"address","name":"to","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"},{"type":"bytes","name":"data","internalType":"bytes"}]}]},{"type":"function","stateMutability":"pure","outputs":[{"type":"uint32","name":"","internalType":"uint32"}],"name":"getMessageMinGasLimit","inputs":[{"type":"uint256","name":"dataLength","internalType":"uint256"}]},{"type":"function","stateMutability":"pure","outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"hashMessage","inputs":[{"type":"tuple","name":"_message","internalType":"struct IBridge.Message","components":[{"type":"uint64","name":"id","internalType":"uint64"},{"type":"uint64","name":"fee","internalType":"uint64"},{"type":"uint32","name":"gasLimit","internalType":"uint32"},{"type":"address","name":"from","internalType":"address"},{"type":"uint64","name":"srcChainId","internalType":"uint64"},{"type":"address","name":"srcOwner","internalType":"address"},{"type":"uint64","name":"destChainId","internalType":"uint64"},{"type":"address","name":"destOwner","internalType":"address"},{"type":"address","name":"to","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"},{"type":"bytes","name":"data","internalType":"bytes"}]}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"impl","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"inNonReentrant","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"init","inputs":[{"type":"address","name":"_owner","internalType":"address"},{"type":"address","name":"_addressManager","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"init2","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"enabled_","internalType":"bool"},{"type":"address","name":"destBridge_","internalType":"address"}],"name":"isDestChainEnabled","inputs":[{"type":"uint64","name":"_chainId","internalType":"uint64"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isMessageFailed","inputs":[{"type":"tuple","name":"_message","internalType":"struct IBridge.Message","components":[{"type":"uint64","name":"id","internalType":"uint64"},{"type":"uint64","name":"fee","internalType":"uint64"},{"type":"uint32","name":"gasLimit","internalType":"uint32"},{"type":"address","name":"from","internalType":"address"},{"type":"uint64","name":"srcChainId","internalType":"uint64"},{"type":"address","name":"srcOwner","internalType":"address"},{"type":"uint64","name":"destChainId","internalType":"uint64"},{"type":"address","name":"destOwner","internalType":"address"},{"type":"address","name":"to","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"},{"type":"bytes","name":"data","internalType":"bytes"}]},{"type":"bytes","name":"_proof","internalType":"bytes"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isMessageReceived","inputs":[{"type":"tuple","name":"_message","internalType":"struct IBridge.Message","components":[{"type":"uint64","name":"id","internalType":"uint64"},{"type":"uint64","name":"fee","internalType":"uint64"},{"type":"uint32","name":"gasLimit","internalType":"uint32"},{"type":"address","name":"from","internalType":"address"},{"type":"uint64","name":"srcChainId","internalType":"uint64"},{"type":"address","name":"srcOwner","internalType":"address"},{"type":"uint64","name":"destChainId","internalType":"uint64"},{"type":"address","name":"destOwner","internalType":"address"},{"type":"address","name":"to","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"},{"type":"bytes","name":"data","internalType":"bytes"}]},{"type":"bytes","name":"_proof","internalType":"bytes"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isMessageSent","inputs":[{"type":"tuple","name":"_message","internalType":"struct IBridge.Message","components":[{"type":"uint64","name":"id","internalType":"uint64"},{"type":"uint64","name":"fee","internalType":"uint64"},{"type":"uint32","name":"gasLimit","internalType":"uint32"},{"type":"address","name":"from","internalType":"address"},{"type":"uint64","name":"srcChainId","internalType":"uint64"},{"type":"address","name":"srcOwner","internalType":"address"},{"type":"uint64","name":"destChainId","internalType":"uint64"},{"type":"address","name":"destOwner","internalType":"address"},{"type":"address","name":"to","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"},{"type":"bytes","name":"data","internalType":"bytes"}]}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint64","name":"","internalType":"uint64"}],"name":"lastUnpausedAt","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint8","name":"status","internalType":"enum IBridge.Status"}],"name":"messageStatus","inputs":[{"type":"bytes32","name":"msgHash","internalType":"bytes32"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint64","name":"","internalType":"uint64"}],"name":"nextMessageId","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"owner","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"pause","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"paused","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"pendingOwner","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"uint8","name":"status_","internalType":"enum IBridge.Status"},{"type":"uint8","name":"reason_","internalType":"enum IBridge.StatusReason"}],"name":"processMessage","inputs":[{"type":"tuple","name":"_message","internalType":"struct IBridge.Message","components":[{"type":"uint64","name":"id","internalType":"uint64"},{"type":"uint64","name":"fee","internalType":"uint64"},{"type":"uint32","name":"gasLimit","internalType":"uint32"},{"type":"address","name":"from","internalType":"address"},{"type":"uint64","name":"srcChainId","internalType":"uint64"},{"type":"address","name":"srcOwner","internalType":"address"},{"type":"uint64","name":"destChainId","internalType":"uint64"},{"type":"address","name":"destOwner","internalType":"address"},{"type":"address","name":"to","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"},{"type":"bytes","name":"data","internalType":"bytes"}]},{"type":"bytes","name":"_proof","internalType":"bytes"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"proxiableUUID","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"recallMessage","inputs":[{"type":"tuple","name":"_message","internalType":"struct IBridge.Message","components":[{"type":"uint64","name":"id","internalType":"uint64"},{"type":"uint64","name":"fee","internalType":"uint64"},{"type":"uint32","name":"gasLimit","internalType":"uint32"},{"type":"address","name":"from","internalType":"address"},{"type":"uint64","name":"srcChainId","internalType":"uint64"},{"type":"address","name":"srcOwner","internalType":"address"},{"type":"uint64","name":"destChainId","internalType":"uint64"},{"type":"address","name":"destOwner","internalType":"address"},{"type":"address","name":"to","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"},{"type":"bytes","name":"data","internalType":"bytes"}]},{"type":"bytes","name":"_proof","internalType":"bytes"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"renounceOwnership","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address payable"}],"name":"resolve","inputs":[{"type":"uint64","name":"_chainId","internalType":"uint64"},{"type":"bytes32","name":"_name","internalType":"bytes32"},{"type":"bool","name":"_allowZeroAddress","internalType":"bool"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address payable"}],"name":"resolve","inputs":[{"type":"bytes32","name":"_name","internalType":"bytes32"},{"type":"bool","name":"_allowZeroAddress","internalType":"bool"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"retryMessage","inputs":[{"type":"tuple","name":"_message","internalType":"struct IBridge.Message","components":[{"type":"uint64","name":"id","internalType":"uint64"},{"type":"uint64","name":"fee","internalType":"uint64"},{"type":"uint32","name":"gasLimit","internalType":"uint32"},{"type":"address","name":"from","internalType":"address"},{"type":"uint64","name":"srcChainId","internalType":"uint64"},{"type":"address","name":"srcOwner","internalType":"address"},{"type":"uint64","name":"destChainId","internalType":"uint64"},{"type":"address","name":"destOwner","internalType":"address"},{"type":"address","name":"to","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"},{"type":"bytes","name":"data","internalType":"bytes"}]},{"type":"bool","name":"_isLastAttempt","internalType":"bool"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"selfDelegate","inputs":[{"type":"address","name":"_anyToken","internalType":"address"}]},{"type":"function","stateMutability":"payable","outputs":[{"type":"bytes32","name":"msgHash_","internalType":"bytes32"},{"type":"tuple","name":"message_","internalType":"struct IBridge.Message","components":[{"type":"uint64","name":"id","internalType":"uint64"},{"type":"uint64","name":"fee","internalType":"uint64"},{"type":"uint32","name":"gasLimit","internalType":"uint32"},{"type":"address","name":"from","internalType":"address"},{"type":"uint64","name":"srcChainId","internalType":"uint64"},{"type":"address","name":"srcOwner","internalType":"address"},{"type":"uint64","name":"destChainId","internalType":"uint64"},{"type":"address","name":"destOwner","internalType":"address"},{"type":"address","name":"to","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"},{"type":"bytes","name":"data","internalType":"bytes"}]}],"name":"sendMessage","inputs":[{"type":"tuple","name":"_message","internalType":"struct IBridge.Message","components":[{"type":"uint64","name":"id","internalType":"uint64"},{"type":"uint64","name":"fee","internalType":"uint64"},{"type":"uint32","name":"gasLimit","internalType":"uint32"},{"type":"address","name":"from","internalType":"address"},{"type":"uint64","name":"srcChainId","internalType":"uint64"},{"type":"address","name":"srcOwner","internalType":"address"},{"type":"uint64","name":"destChainId","internalType":"uint64"},{"type":"address","name":"destOwner","internalType":"address"},{"type":"address","name":"to","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"},{"type":"bytes","name":"data","internalType":"bytes"}]}]},{"type":"function","stateMutability":"pure","outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"signalForFailedMessage","inputs":[{"type":"bytes32","name":"_msgHash","internalType":"bytes32"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"transferOwnership","inputs":[{"type":"address","name":"newOwner","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"unpause","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"upgradeTo","inputs":[{"type":"address","name":"newImplementation","internalType":"address"}]},{"type":"function","stateMutability":"payable","outputs":[],"name":"upgradeToAndCall","inputs":[{"type":"address","name":"newImplementation","internalType":"address"},{"type":"bytes","name":"data","internalType":"bytes"}]}]
Contract Creation Code
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