Commit 40214739 authored by Maurelian's avatar Maurelian

feat(ctb): Checked out pre-mcp impl contracts

parent b01ff541
......@@ -12,36 +12,33 @@ import { Constants } from "src/libraries/Constants.sol";
/// @notice The L1CrossDomainMessenger is a message passing interface between L1 and L2 responsible
/// for sending and receiving data on the L1 side. Users are encouraged to use this
/// interface instead of interacting with lower-level contracts directly.
contract L1CrossDomainMessenger is CrossDomainMessenger, ISemver {
/// @notice Address of the OptimismPortal. The public getter for this
/// is legacy and will be removed in the future. Use `portal()` instead.
/// @custom:network-specific
/// @custom:legacy
OptimismPortal public PORTAL;
/// @notice Semantic version.
/// @custom:semver 1.7.1
string public constant version = "1.7.1";
contract L1CrossDomainMessenger is CrossDomainMessenger, Semver {
/// @notice Address of the OptimismPortal.
OptimismPortal public immutable PORTAL;
/// @custom:semver 1.4.1
/// @notice Constructs the L1CrossDomainMessenger contract.
constructor() CrossDomainMessenger(Predeploys.L2_CROSS_DOMAIN_MESSENGER) {
initialize({ _portal: OptimismPortal(payable(0)) });
}
/// @notice Initializes the contract.
/// @param _portal Address of the OptimismPortal contract on this network.
function initialize(OptimismPortal _portal) public reinitializer(Constants.INITIALIZER) {
constructor(OptimismPortal _portal)
Semver(1, 4, 1)
CrossDomainMessenger(Predeploys.L2_CROSS_DOMAIN_MESSENGER)
{
PORTAL = _portal;
__CrossDomainMessenger_init();
initialize();
}
/// @notice Getter for the OptimismPortal address.
function portal() external view returns (address) {
return address(PORTAL);
/// @notice Initializes the contract.
function initialize() public initializer {
__CrossDomainMessenger_init();
}
/// @inheritdoc CrossDomainMessenger
function _sendMessage(address _to, uint64 _gasLimit, uint256 _value, bytes memory _data) internal override {
function _sendMessage(
address _to,
uint64 _gasLimit,
uint256 _value,
bytes memory _data
) internal override {
PORTAL.depositTransaction{ value: _value }(_to, _value, _gasLimit, false, _data);
}
......
......@@ -13,25 +13,19 @@ import { Constants } from "src/libraries/Constants.sol";
/// @notice The L1 ERC721 bridge is a contract which works together with the L2 ERC721 bridge to
/// make it possible to transfer ERC721 tokens from Ethereum to Optimism. This contract
/// acts as an escrow for ERC721 tokens deposited into L2.
contract L1ERC721Bridge is ERC721Bridge, ISemver {
contract L1ERC721Bridge is ERC721Bridge, Semver {
/// @notice Mapping of L1 token to L2 token to ID to boolean, indicating if the given L1 token
/// by ID was deposited for a given L2 token.
mapping(address => mapping(address => mapping(uint256 => bool))) public deposits;
/// @notice Semantic version.
/// @custom:semver 1.4.1
string public constant version = "1.4.1";
/// @notice Constructs the contract.
constructor() ERC721Bridge(Predeploys.L2_ERC721_BRIDGE) {
initialize({ _messenger: CrossDomainMessenger(address(0)) });
}
/// @notice Initializes the contract.
/// @custom:semver 1.1.2
/// @notice Constructs the L1ERC721Bridge contract.
/// @param _messenger Address of the CrossDomainMessenger on this network.
function initialize(CrossDomainMessenger _messenger) public reinitializer(Constants.INITIALIZER) {
__ERC721Bridge_init({ _messenger: _messenger });
}
/// @param _otherBridge Address of the ERC721 bridge on the other network.
constructor(address _messenger, address _otherBridge)
Semver(1, 1, 2)
ERC721Bridge(_messenger, _otherBridge)
{}
/// @notice Completes an ERC721 bridge from the other domain and sends the ERC721 token to the
/// recipient on this domain.
......@@ -50,10 +44,7 @@ contract L1ERC721Bridge is ERC721Bridge, ISemver {
address _to,
uint256 _tokenId,
bytes calldata _extraData
)
external
onlyOtherBridge
{
) external onlyOtherBridge {
require(_localToken != address(this), "L1ERC721Bridge: local token cannot be self");
// Checks that the L1/L2 NFT pair has a token ID that is escrowed in the L1 Bridge.
......@@ -83,15 +74,18 @@ contract L1ERC721Bridge is ERC721Bridge, ISemver {
uint256 _tokenId,
uint32 _minGasLimit,
bytes calldata _extraData
)
internal
override
{
) internal override {
require(_remoteToken != address(0), "L1ERC721Bridge: remote token cannot be address(0)");
// Construct calldata for _l2Token.finalizeBridgeERC721(_to, _tokenId)
bytes memory message = abi.encodeWithSelector(
L2ERC721Bridge.finalizeBridgeERC721.selector, _remoteToken, _localToken, _from, _to, _tokenId, _extraData
L2ERC721Bridge.finalizeBridgeERC721.selector,
_remoteToken,
_localToken,
_from,
_to,
_tokenId,
_extraData
);
// Lock token into bridge
......@@ -99,7 +93,7 @@ contract L1ERC721Bridge is ERC721Bridge, ISemver {
IERC721(_localToken).transferFrom(_from, address(this), _tokenId);
// Send calldata into L2
messenger.sendMessage(OTHER_BRIDGE, message, _minGasLimit);
MESSENGER.sendMessage(OTHER_BRIDGE, message, _minGasLimit);
emit ERC721BridgeInitiated(_localToken, _remoteToken, _from, _to, _tokenId, _extraData);
}
}
......@@ -17,14 +17,19 @@ import { Constants } from "src/libraries/Constants.sol";
/// NOTE: this contract is not intended to support all variations of ERC20 tokens. Examples
/// of some token types that may not be properly supported by this contract include, but are
/// not limited to: tokens with transfer fees, rebasing tokens, and tokens with blocklists.
contract L1StandardBridge is StandardBridge, ISemver {
contract L1StandardBridge is StandardBridge, Semver {
/// @custom:legacy
/// @notice Emitted whenever a deposit of ETH from L1 into L2 is initiated.
/// @param from Address of the depositor.
/// @param to Address of the recipient on L2.
/// @param amount Amount of ETH deposited.
/// @param extraData Extra data attached to the deposit.
event ETHDepositInitiated(address indexed from, address indexed to, uint256 amount, bytes extraData);
event ETHDepositInitiated(
address indexed from,
address indexed to,
uint256 amount,
bytes extraData
);
/// @custom:legacy
/// @notice Emitted whenever a withdrawal of ETH from L2 to L1 is finalized.
......@@ -32,7 +37,12 @@ contract L1StandardBridge is StandardBridge, ISemver {
/// @param to Address of the recipient on L1.
/// @param amount Amount of ETH withdrawn.
/// @param extraData Extra data attached to the withdrawal.
event ETHWithdrawalFinalized(address indexed from, address indexed to, uint256 amount, bytes extraData);
event ETHWithdrawalFinalized(
address indexed from,
address indexed to,
uint256 amount,
bytes extraData
);
/// @custom:legacy
/// @notice Emitted whenever an ERC20 deposit is initiated.
......@@ -68,19 +78,13 @@ contract L1StandardBridge is StandardBridge, ISemver {
bytes extraData
);
/// @notice Semantic version.
/// @custom:semver 1.4.1
string public constant version = "1.4.1";
/// @custom:semver 1.1.1
/// @notice Constructs the L1StandardBridge contract.
constructor() StandardBridge(StandardBridge(payable(Predeploys.L2_STANDARD_BRIDGE))) {
initialize({ _messenger: CrossDomainMessenger(address(0)) });
}
/// @notice Initializer
function initialize(CrossDomainMessenger _messenger) public reinitializer(Constants.INITIALIZER) {
__StandardBridge_init({ _messenger: _messenger });
}
/// @param _messenger Address of the L1CrossDomainMessenger.
constructor(address payable _messenger)
Semver(1, 1, 1)
StandardBridge(_messenger, payable(Predeploys.L2_STANDARD_BRIDGE))
{}
/// @notice Allows EOAs to bridge ETH by sending directly to the bridge.
receive() external payable override onlyEOA {
......@@ -108,7 +112,11 @@ contract L1StandardBridge is StandardBridge, ISemver {
/// @param _extraData Optional data to forward to L2.
/// Data supplied here will not be used to execute any code on L2 and is
/// only emitted as extra data for the convenience of off-chain tooling.
function depositETHTo(address _to, uint32 _minGasLimit, bytes calldata _extraData) external payable {
function depositETHTo(
address _to,
uint32 _minGasLimit,
bytes calldata _extraData
) external payable {
_initiateETHDeposit(msg.sender, _to, _minGasLimit, _extraData);
}
......@@ -127,12 +135,16 @@ contract L1StandardBridge is StandardBridge, ISemver {
uint256 _amount,
uint32 _minGasLimit,
bytes calldata _extraData
)
external
virtual
onlyEOA
{
_initiateERC20Deposit(_l1Token, _l2Token, msg.sender, msg.sender, _amount, _minGasLimit, _extraData);
) external virtual onlyEOA {
_initiateERC20Deposit(
_l1Token,
_l2Token,
msg.sender,
msg.sender,
_amount,
_minGasLimit,
_extraData
);
}
/// @custom:legacy
......@@ -152,11 +164,16 @@ contract L1StandardBridge is StandardBridge, ISemver {
uint256 _amount,
uint32 _minGasLimit,
bytes calldata _extraData
)
external
virtual
{
_initiateERC20Deposit(_l1Token, _l2Token, msg.sender, _to, _amount, _minGasLimit, _extraData);
) external virtual {
_initiateERC20Deposit(
_l1Token,
_l2Token,
msg.sender,
_to,
_amount,
_minGasLimit,
_extraData
);
}
/// @custom:legacy
......@@ -170,10 +187,7 @@ contract L1StandardBridge is StandardBridge, ISemver {
address _to,
uint256 _amount,
bytes calldata _extraData
)
external
payable
{
) external payable {
finalizeBridgeETH(_from, _to, _amount, _extraData);
}
......@@ -192,9 +206,7 @@ contract L1StandardBridge is StandardBridge, ISemver {
address _to,
uint256 _amount,
bytes calldata _extraData
)
external
{
) external {
finalizeBridgeERC20(_l1Token, _l2Token, _from, _to, _amount, _extraData);
}
......@@ -210,7 +222,12 @@ contract L1StandardBridge is StandardBridge, ISemver {
/// @param _to Address of the recipient on L2.
/// @param _minGasLimit Minimum gas limit for the deposit message on L2.
/// @param _extraData Optional data to forward to L2.
function _initiateETHDeposit(address _from, address _to, uint32 _minGasLimit, bytes memory _extraData) internal {
function _initiateETHDeposit(
address _from,
address _to,
uint32 _minGasLimit,
bytes memory _extraData
) internal {
_initiateBridgeETH(_from, _to, msg.value, _minGasLimit, _extraData);
}
......@@ -230,9 +247,7 @@ contract L1StandardBridge is StandardBridge, ISemver {
uint256 _amount,
uint32 _minGasLimit,
bytes memory _extraData
)
internal
{
) internal {
_initiateBridgeERC20(_l1Token, _l2Token, _from, _to, _amount, _minGasLimit, _extraData);
}
......@@ -244,10 +259,7 @@ contract L1StandardBridge is StandardBridge, ISemver {
address _to,
uint256 _amount,
bytes memory _extraData
)
internal
override
{
) internal override {
emit ETHDepositInitiated(_from, _to, _amount, _extraData);
super._emitETHBridgeInitiated(_from, _to, _amount, _extraData);
}
......@@ -260,10 +272,7 @@ contract L1StandardBridge is StandardBridge, ISemver {
address _to,
uint256 _amount,
bytes memory _extraData
)
internal
override
{
) internal override {
emit ETHWithdrawalFinalized(_from, _to, _amount, _extraData);
super._emitETHBridgeFinalized(_from, _to, _amount, _extraData);
}
......@@ -278,10 +287,7 @@ contract L1StandardBridge is StandardBridge, ISemver {
address _to,
uint256 _amount,
bytes memory _extraData
)
internal
override
{
) internal override {
emit ERC20DepositInitiated(_localToken, _remoteToken, _from, _to, _amount, _extraData);
super._emitERC20BridgeInitiated(_localToken, _remoteToken, _from, _to, _amount, _extraData);
}
......@@ -296,10 +302,7 @@ contract L1StandardBridge is StandardBridge, ISemver {
address _to,
uint256 _amount,
bytes memory _extraData
)
internal
override
{
) internal override {
emit ERC20WithdrawalFinalized(_localToken, _remoteToken, _from, _to, _amount, _extraData);
super._emitERC20BridgeFinalized(_localToken, _remoteToken, _from, _to, _amount, _extraData);
}
......
......@@ -76,16 +76,16 @@ abstract contract ResourceMetering is Initializable {
uint256 blockDiff = block.number - params.prevBlockNum;
ResourceConfig memory config = _resourceConfig();
int256 targetResourceLimit =
int256(uint256(config.maxResourceLimit)) / int256(uint256(config.elasticityMultiplier));
int256 targetResourceLimit = int256(uint256(config.maxResourceLimit)) /
int256(uint256(config.elasticityMultiplier));
if (blockDiff > 0) {
// Handle updating EIP-1559 style gas parameters. We use EIP-1559 to restrict the rate
// at which deposits can be created and therefore limit the potential for deposits to
// spam the L2 system. Fee scheme is very similar to EIP-1559 with minor changes.
int256 gasUsedDelta = int256(uint256(params.prevBoughtGas)) - targetResourceLimit;
int256 baseFeeDelta = (int256(uint256(params.prevBaseFee)) * gasUsedDelta)
/ (targetResourceLimit * int256(uint256(config.baseFeeMaxChangeDenominator)));
int256 baseFeeDelta = (int256(uint256(params.prevBaseFee)) * gasUsedDelta) /
(targetResourceLimit * int256(uint256(config.baseFeeMaxChangeDenominator)));
// Update base fee by adding the base fee delta and clamp the resulting value between
// min and max.
......@@ -155,6 +155,10 @@ abstract contract ResourceMetering is Initializable {
/// child contract.
// solhint-disable-next-line func-name-mixedcase
function __ResourceMetering_init() internal onlyInitializing {
params = ResourceParams({ prevBaseFee: 1 gwei, prevBoughtGas: 0, prevBlockNum: uint64(block.number) });
params = ResourceParams({
prevBaseFee: 1 gwei,
prevBoughtGas: 0,
prevBlockNum: uint64(block.number)
});
}
}
......@@ -19,20 +19,15 @@ import { Predeploys } from "src/libraries/Predeploys.sol";
/// bridge ONLY supports ERC721s originally deployed on Ethereum. Users will need to
/// wait for the one-week challenge period to elapse before their Optimism-native NFT
/// can be refunded on L2.
contract L2ERC721Bridge is ERC721Bridge, ISemver {
/// @custom:semver 1.4.0
string public constant version = "1.4.0";
contract L2ERC721Bridge is ERC721Bridge, Semver {
/// @custom:semver 1.1.1
/// @notice Constructs the L2ERC721Bridge contract.
/// @param _messenger Address of the CrossDomainMessenger on this network.
/// @param _otherBridge Address of the ERC721 bridge on the other network.
constructor(address _otherBridge) ERC721Bridge(_otherBridge) {
initialize();
}
/// @notice Initializes the contract.
function initialize() public reinitializer(Constants.INITIALIZER) {
__ERC721Bridge_init({ _messenger: CrossDomainMessenger(Predeploys.L2_CROSS_DOMAIN_MESSENGER) });
}
constructor(address _messenger, address _otherBridge)
Semver(1, 1, 1)
ERC721Bridge(_messenger, _otherBridge)
{}
/// @notice Completes an ERC721 bridge from the other domain and sends the ERC721 token to the
/// recipient on this domain.
......@@ -51,10 +46,7 @@ contract L2ERC721Bridge is ERC721Bridge, ISemver {
address _to,
uint256 _tokenId,
bytes calldata _extraData
)
external
onlyOtherBridge
{
) external onlyOtherBridge {
require(_localToken != address(this), "L2ERC721Bridge: local token cannot be self");
// Note that supportsInterface makes a callback to the _localToken address which is user
......@@ -86,10 +78,7 @@ contract L2ERC721Bridge is ERC721Bridge, ISemver {
uint256 _tokenId,
uint32 _minGasLimit,
bytes calldata _extraData
)
internal
override
{
) internal override {
require(_remoteToken != address(0), "L2ERC721Bridge: remote token cannot be address(0)");
// Check that the withdrawal is being initiated by the NFT owner
......@@ -101,7 +90,10 @@ contract L2ERC721Bridge is ERC721Bridge, ISemver {
// Construct calldata for l1ERC721Bridge.finalizeBridgeERC721(_to, _tokenId)
// slither-disable-next-line reentrancy-events
address remoteToken = IOptimismMintableERC721(_localToken).remoteToken();
require(remoteToken == _remoteToken, "L2ERC721Bridge: remote token does not match given value");
require(
remoteToken == _remoteToken,
"L2ERC721Bridge: remote token does not match given value"
);
// When a withdrawal is initiated, we burn the withdrawer's NFT to prevent subsequent L2
// usage
......@@ -109,12 +101,18 @@ contract L2ERC721Bridge is ERC721Bridge, ISemver {
IOptimismMintableERC721(_localToken).burn(_from, _tokenId);
bytes memory message = abi.encodeWithSelector(
L1ERC721Bridge.finalizeBridgeERC721.selector, remoteToken, _localToken, _from, _to, _tokenId, _extraData
L1ERC721Bridge.finalizeBridgeERC721.selector,
remoteToken,
_localToken,
_from,
_to,
_tokenId,
_extraData
);
// Send message to L1 bridge
// slither-disable-next-line reentrancy-events
messenger.sendMessage(OTHER_BRIDGE, message, _minGasLimit);
MESSENGER.sendMessage(OTHER_BRIDGE, message, _minGasLimit);
// slither-disable-next-line reentrancy-events
emit ERC721BridgeInitiated(_localToken, remoteToken, _from, _to, _tokenId, _extraData);
......
......@@ -17,7 +17,7 @@ import { Constants } from "src/libraries/Constants.sol";
/// NOTE: this contract is not intended to support all variations of ERC20 tokens. Examples
/// of some token types that may not be properly supported by this contract include, but are
/// not limited to: tokens with transfer fees, rebasing tokens, and tokens with blocklists.
contract L2StandardBridge is StandardBridge, ISemver {
contract L2StandardBridge is StandardBridge, Semver {
/// @custom:legacy
/// @notice Emitted whenever a withdrawal from L2 to L1 is initiated.
/// @param l1Token Address of the token on L1.
......@@ -52,24 +52,23 @@ contract L2StandardBridge is StandardBridge, ISemver {
bytes extraData
);
/// @custom:semver 1.4.0
string public constant version = "1.4.0";
/// @custom:semver 1.1.1
/// @notice Constructs the L2StandardBridge contract.
/// @param _otherBridge Address of the L1StandardBridge.
constructor(StandardBridge _otherBridge) StandardBridge(_otherBridge) {
initialize();
}
/// @notice Initializer
function initialize() public reinitializer(Constants.INITIALIZER) {
__StandardBridge_init({ _messenger: CrossDomainMessenger(Predeploys.L2_CROSS_DOMAIN_MESSENGER) });
}
constructor(address payable _otherBridge)
Semver(1, 1, 1)
StandardBridge(payable(Predeploys.L2_CROSS_DOMAIN_MESSENGER), _otherBridge)
{}
/// @notice Allows EOAs to bridge ETH by sending directly to the bridge.
receive() external payable override onlyEOA {
_initiateWithdrawal(
Predeploys.LEGACY_ERC20_ETH, msg.sender, msg.sender, msg.value, RECEIVE_DEFAULT_GAS_LIMIT, bytes("")
Predeploys.LEGACY_ERC20_ETH,
msg.sender,
msg.sender,
msg.value,
RECEIVE_DEFAULT_GAS_LIMIT,
bytes("")
);
}
......@@ -86,12 +85,7 @@ contract L2StandardBridge is StandardBridge, ISemver {
uint256 _amount,
uint32 _minGasLimit,
bytes calldata _extraData
)
external
payable
virtual
onlyEOA
{
) external payable virtual onlyEOA {
_initiateWithdrawal(_l2Token, msg.sender, msg.sender, _amount, _minGasLimit, _extraData);
}
......@@ -114,11 +108,7 @@ contract L2StandardBridge is StandardBridge, ISemver {
uint256 _amount,
uint32 _minGasLimit,
bytes calldata _extraData
)
external
payable
virtual
{
) external payable virtual {
_initiateWithdrawal(_l2Token, msg.sender, _to, _amount, _minGasLimit, _extraData);
}
......@@ -138,11 +128,7 @@ contract L2StandardBridge is StandardBridge, ISemver {
address _to,
uint256 _amount,
bytes calldata _extraData
)
external
payable
virtual
{
) external payable virtual {
if (_l1Token == address(0) && _l2Token == Predeploys.LEGACY_ERC20_ETH) {
finalizeBridgeETH(_from, _to, _amount, _extraData);
} else {
......@@ -172,9 +158,7 @@ contract L2StandardBridge is StandardBridge, ISemver {
uint256 _amount,
uint32 _minGasLimit,
bytes memory _extraData
)
internal
{
) internal {
if (_l2Token == Predeploys.LEGACY_ERC20_ETH) {
_initiateBridgeETH(_from, _to, _amount, _minGasLimit, _extraData);
} else {
......@@ -191,11 +175,15 @@ contract L2StandardBridge is StandardBridge, ISemver {
address _to,
uint256 _amount,
bytes memory _extraData
)
internal
override
{
emit WithdrawalInitiated(address(0), Predeploys.LEGACY_ERC20_ETH, _from, _to, _amount, _extraData);
) internal override {
emit WithdrawalInitiated(
address(0),
Predeploys.LEGACY_ERC20_ETH,
_from,
_to,
_amount,
_extraData
);
super._emitETHBridgeInitiated(_from, _to, _amount, _extraData);
}
......@@ -207,11 +195,15 @@ contract L2StandardBridge is StandardBridge, ISemver {
address _to,
uint256 _amount,
bytes memory _extraData
)
internal
override
{
emit DepositFinalized(address(0), Predeploys.LEGACY_ERC20_ETH, _from, _to, _amount, _extraData);
) internal override {
emit DepositFinalized(
address(0),
Predeploys.LEGACY_ERC20_ETH,
_from,
_to,
_amount,
_extraData
);
super._emitETHBridgeFinalized(_from, _to, _amount, _extraData);
}
......@@ -225,10 +217,7 @@ contract L2StandardBridge is StandardBridge, ISemver {
address _to,
uint256 _amount,
bytes memory _extraData
)
internal
override
{
) internal override {
emit WithdrawalInitiated(_remoteToken, _localToken, _from, _to, _amount, _extraData);
super._emitERC20BridgeInitiated(_localToken, _remoteToken, _from, _to, _amount, _extraData);
}
......@@ -243,10 +232,7 @@ contract L2StandardBridge is StandardBridge, ISemver {
address _to,
uint256 _amount,
bytes memory _extraData
)
internal
override
{
) internal override {
emit DepositFinalized(_remoteToken, _localToken, _from, _to, _amount, _extraData);
super._emitERC20BridgeFinalized(_localToken, _remoteToken, _from, _to, _amount, _extraData);
}
......
......@@ -7,17 +7,15 @@ import { Initializable } from "@openzeppelin/contracts/proxy/utils/Initializable
/// @title ERC721Bridge
/// @notice ERC721Bridge is a base contract for the L1 and L2 ERC721 bridges.
abstract contract ERC721Bridge is Initializable {
abstract contract ERC721Bridge {
/// @notice Messenger contract on this domain.
/// @custom:network-specific
CrossDomainMessenger public messenger;
CrossDomainMessenger public immutable MESSENGER;
/// @notice Address of the bridge on the other network.
/// @custom:legacy
address public immutable OTHER_BRIDGE;
/// @notice Reserve extra slots (to a total of 50) in the storage layout for future upgrades.
uint256[48] private __gap;
uint256[49] private __gap;
/// @notice Emitted when an ERC721 bridge to the other network is initiated.
/// @param localToken Address of the token on this domain.
......@@ -54,31 +52,31 @@ abstract contract ERC721Bridge is Initializable {
/// @notice Ensures that the caller is a cross-chain message from the other bridge.
modifier onlyOtherBridge() {
require(
msg.sender == address(messenger) && messenger.xDomainMessageSender() == OTHER_BRIDGE,
msg.sender == address(MESSENGER) && MESSENGER.xDomainMessageSender() == OTHER_BRIDGE,
"ERC721Bridge: function can only be called from the other bridge"
);
_;
}
/// @notice Constructs the contract.
/// @param _messenger Address of the CrossDomainMessenger on this network.
/// @param _otherBridge Address of the ERC721 bridge on the other network.
constructor(address _otherBridge) {
constructor(address _messenger, address _otherBridge) {
require(_messenger != address(0), "ERC721Bridge: messenger cannot be address(0)");
require(_otherBridge != address(0), "ERC721Bridge: other bridge cannot be address(0)");
OTHER_BRIDGE = _otherBridge;
}
// @notice Initializes the contract.
/// @param _messenger Address of the CrossDomainMessenger on this network.
function __ERC721Bridge_init(CrossDomainMessenger _messenger) internal onlyInitializing {
messenger = _messenger;
MESSENGER = CrossDomainMessenger(_messenger);
OTHER_BRIDGE = _otherBridge;
}
/// @notice Getter for messenger contract.
function MESSENGER() external view returns (CrossDomainMessenger) {
return messenger;
/// @custom:legacy
/// @notice Legacy getter for messenger contract.
/// @return Messenger contract on this domain.
function messenger() external view returns (CrossDomainMessenger) {
return MESSENGER;
}
/// @notice Getter for other bridge address.
/// @custom:legacy
/// @notice Legacy getter for other bridge address.
/// @return Address of the bridge on the other network.
function otherBridge() external view returns (address) {
return OTHER_BRIDGE;
......@@ -106,9 +104,7 @@ abstract contract ERC721Bridge is Initializable {
uint256 _tokenId,
uint32 _minGasLimit,
bytes calldata _extraData
)
external
{
) external {
// Modifier requiring sender to be EOA. This prevents against a user error that would occur
// if the sender is a smart contract wallet that has a different address on the remote chain
// (or doesn't have an address on the remote chain at all). The user would fail to receive
......@@ -117,7 +113,15 @@ abstract contract ERC721Bridge is Initializable {
// care of the user error we want to avoid.
require(!Address.isContract(msg.sender), "ERC721Bridge: account is not externally owned");
_initiateBridgeERC721(_localToken, _remoteToken, msg.sender, msg.sender, _tokenId, _minGasLimit, _extraData);
_initiateBridgeERC721(
_localToken,
_remoteToken,
msg.sender,
msg.sender,
_tokenId,
_minGasLimit,
_extraData
);
}
/// @notice Initiates a bridge of an NFT to some recipient's account on the other chain. Note
......@@ -142,12 +146,18 @@ abstract contract ERC721Bridge is Initializable {
uint256 _tokenId,
uint32 _minGasLimit,
bytes calldata _extraData
)
external
{
) external {
require(_to != address(0), "ERC721Bridge: nft recipient cannot be address(0)");
_initiateBridgeERC721(_localToken, _remoteToken, msg.sender, _to, _tokenId, _minGasLimit, _extraData);
_initiateBridgeERC721(
_localToken,
_remoteToken,
msg.sender,
_to,
_tokenId,
_minGasLimit,
_extraData
);
}
/// @notice Internal function for initiating a token bridge to the other domain.
......@@ -168,7 +178,5 @@ abstract contract ERC721Bridge is Initializable {
uint256 _tokenId,
uint32 _minGasLimit,
bytes calldata _extraData
)
internal
virtual;
) internal virtual;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import { Strings } from "@openzeppelin/contracts/utils/Strings.sol";
/// @title Semver
/// @notice Semver is a simple contract for managing contract versions.
contract Semver {
/// @notice Contract version number (major).
uint256 private immutable MAJOR_VERSION;
/// @notice Contract version number (minor).
uint256 private immutable MINOR_VERSION;
/// @notice Contract version number (patch).
uint256 private immutable PATCH_VERSION;
/// @param _major Version number (major).
/// @param _minor Version number (minor).
/// @param _patch Version number (patch).
constructor(
uint256 _major,
uint256 _minor,
uint256 _patch
) {
MAJOR_VERSION = _major;
MINOR_VERSION = _minor;
PATCH_VERSION = _patch;
}
/// @notice Returns the full semver contract version.
/// @return Semver contract version as a string.
function version() public view returns (string memory) {
return
string(
abi.encodePacked(
Strings.toString(MAJOR_VERSION),
".",
Strings.toString(MINOR_VERSION),
".",
Strings.toString(PATCH_VERSION)
)
);
}
}
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