Latest 25 from a total of 2,032 transactions
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| Retrieve | 18336356 | 858 days ago | IN | 0 ETH | 0.00031018 | ||||
| Retrieve | 18336354 | 858 days ago | IN | 0 ETH | 0.00039269 | ||||
| Retrieve | 18336352 | 858 days ago | IN | 0 ETH | 0.00042649 | ||||
| Retrieve | 16089831 | 1173 days ago | IN | 0 ETH | 0.00055828 | ||||
| Retrieve | 16089828 | 1173 days ago | IN | 0 ETH | 0.00063453 | ||||
| Retrieve | 16088040 | 1173 days ago | IN | 0 ETH | 0.00044514 | ||||
| Retrieve | 16088037 | 1173 days ago | IN | 0 ETH | 0.00074292 | ||||
| Retrieve | 16085064 | 1174 days ago | IN | 0 ETH | 0.00071076 | ||||
| Retrieve | 16085062 | 1174 days ago | IN | 0 ETH | 0.00053324 | ||||
| Retrieve | 16085059 | 1174 days ago | IN | 0 ETH | 0.00077457 | ||||
| Retrieve | 16083862 | 1174 days ago | IN | 0 ETH | 0.00145032 | ||||
| Retrieve | 16082679 | 1174 days ago | IN | 0 ETH | 0.00051444 | ||||
| Retrieve | 16082677 | 1174 days ago | IN | 0 ETH | 0.00067081 | ||||
| Retrieve | 16080889 | 1174 days ago | IN | 0 ETH | 0.00051663 | ||||
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| Retrieve | 16078498 | 1175 days ago | IN | 0 ETH | 0.00069921 | ||||
| Retrieve | 16077011 | 1175 days ago | IN | 0 ETH | 0.00074308 | ||||
| Retrieve | 16077009 | 1175 days ago | IN | 0 ETH | 0.00068123 | ||||
| Retrieve | 16076119 | 1175 days ago | IN | 0 ETH | 0.00066456 | ||||
| Retrieve | 16074629 | 1175 days ago | IN | 0 ETH | 0.00046798 | ||||
| Retrieve | 16074627 | 1175 days ago | IN | 0 ETH | 0.00043439 | ||||
| Retrieve | 16074624 | 1175 days ago | IN | 0 ETH | 0.00065487 | ||||
| Retrieve | 16073433 | 1175 days ago | IN | 0 ETH | 0.00041651 | ||||
| Retrieve | 16073430 | 1175 days ago | IN | 0 ETH | 0.00061429 | ||||
| Retrieve | 16072251 | 1175 days ago | IN | 0 ETH | 0.00040013 |
Latest 25 internal transactions (View All)
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| Deposit | 24452504 | 2 days ago | 175.22936472 ETH | ||||
| Transfer | 24452504 | 2 days ago | 175.22936472 ETH | ||||
| Deposit | 24415507 | 8 days ago | 177.50859641 ETH | ||||
| Transfer | 24415507 | 8 days ago | 177.50859641 ETH | ||||
| Deposit | 24387221 | 11 days ago | 179.41146713 ETH | ||||
| Transfer | 24387221 | 11 days ago | 179.41146713 ETH | ||||
| Deposit | 24359346 | 15 days ago | 177.51058058 ETH | ||||
| Transfer | 24359346 | 15 days ago | 177.51058058 ETH | ||||
| Deposit | 24322457 | 21 days ago | 188.58214952 ETH | ||||
| Transfer | 24322457 | 21 days ago | 188.58214952 ETH | ||||
| Deposit | 24320364 | 21 days ago | 217.63810471 ETH | ||||
| Transfer | 24320364 | 21 days ago | 217.63810471 ETH | ||||
| Deposit | 24198785 | 38 days ago | 181.30618065 ETH | ||||
| Transfer | 24198785 | 38 days ago | 181.30618065 ETH | ||||
| Deposit | 24176397 | 41 days ago | 185.22271809 ETH | ||||
| Transfer | 24176397 | 41 days ago | 185.22271809 ETH | ||||
| Deposit | 24145470 | 45 days ago | 175.08698136 ETH | ||||
| Transfer | 24145470 | 45 days ago | 175.08698136 ETH | ||||
| Deposit | 24101746 | 51 days ago | 177.43899155 ETH | ||||
| Transfer | 24101746 | 51 days ago | 177.43899155 ETH | ||||
| Deposit | 24070702 | 56 days ago | 175.81850787 ETH | ||||
| Transfer | 24070702 | 56 days ago | 175.81850787 ETH | ||||
| Deposit | 24021896 | 62 days ago | 177.21870259 ETH | ||||
| Transfer | 24021896 | 62 days ago | 177.21870259 ETH | ||||
| Deposit | 24012054 | 64 days ago | 283.10563942 ETH |
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Contract Name:
PolygonTokenBridger
Compiler Version
v0.8.13+commit.abaa5c0e
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity ^0.8.0;
import "./Lockable.sol";
import "./interfaces/WETH9.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
// Polygon Registry contract that stores their addresses.
interface PolygonRegistry {
function erc20Predicate() external returns (address);
}
// Polygon ERC20Predicate contract that handles Plasma exits (only used for Matic).
interface PolygonERC20Predicate {
function startExitWithBurntTokens(bytes calldata data) external;
}
// ERC20s (on polygon) compatible with polygon's bridge have a withdraw method.
interface PolygonIERC20 is IERC20 {
function withdraw(uint256 amount) external;
}
interface MaticToken {
function withdraw(uint256 amount) external payable;
}
/**
* @notice Contract deployed on Ethereum and Polygon to facilitate token transfers from Polygon to the HubPool and back.
* @dev Because Polygon only allows withdrawals from a particular address to go to that same address on mainnet, we need to
* have some sort of contract that can guarantee identical addresses on Polygon and Ethereum. This contract is intended
* to be completely immutable, so it's guaranteed that the contract on each side is configured identically as long as
* it is created via create2. create2 is an alternative creation method that uses a different address determination
* mechanism from normal create.
* Normal create: address = hash(deployer_address, deployer_nonce)
* create2: address = hash(0xFF, sender, salt, bytecode)
* This ultimately allows create2 to generate deterministic addresses that don't depend on the transaction count of the
* sender.
*/
contract PolygonTokenBridger is Lockable {
using SafeERC20 for PolygonIERC20;
using SafeERC20 for IERC20;
// Gas token for Polygon.
MaticToken public constant maticToken = MaticToken(0x0000000000000000000000000000000000001010);
// Should be set to HubPool on Ethereum, or unused on Polygon.
address public immutable destination;
// Registry that stores L1 polygon addresses.
PolygonRegistry public immutable l1PolygonRegistry;
// WETH contract on Ethereum.
WETH9 public immutable l1Weth;
// Wrapped Matic on Polygon
address public immutable l2WrappedMatic;
// Chain id for the L1 that this contract is deployed on or communicates with.
// For example: if this contract were meant to facilitate transfers from polygon to mainnet, this value would be
// the mainnet chainId 1.
uint256 public immutable l1ChainId;
// Chain id for the L2 that this contract is deployed on or communicates with.
// For example: if this contract were meant to facilitate transfers from polygon to mainnet, this value would be
// the polygon chainId 137.
uint256 public immutable l2ChainId;
modifier onlyChainId(uint256 chainId) {
_requireChainId(chainId);
_;
}
/**
* @notice Constructs Token Bridger contract.
* @param _destination Where to send tokens to for this network.
* @param _l1PolygonRegistry L1 registry that stores updated addresses of polygon contracts. This should always be
* set to the L1 registry regardless if whether it's deployed on L2 or L1.
* @param _l1Weth L1 WETH address.
* @param _l2WrappedMatic L2 address of wrapped matic token.
* @param _l1ChainId the chain id for the L1 in this environment.
* @param _l2ChainId the chain id for the L2 in this environment.
*/
constructor(
address _destination,
PolygonRegistry _l1PolygonRegistry,
WETH9 _l1Weth,
address _l2WrappedMatic,
uint256 _l1ChainId,
uint256 _l2ChainId
) {
destination = _destination;
l1PolygonRegistry = _l1PolygonRegistry;
l1Weth = _l1Weth;
l2WrappedMatic = _l2WrappedMatic;
l1ChainId = _l1ChainId;
l2ChainId = _l2ChainId;
}
/**
* @notice Called by Polygon SpokePool to send tokens over bridge to contract with the same address as this.
* @notice The caller of this function must approve this contract to spend amount of token.
* @param token Token to bridge.
* @param amount Amount to bridge.
*/
function send(PolygonIERC20 token, uint256 amount) public nonReentrant onlyChainId(l2ChainId) {
token.safeTransferFrom(msg.sender, address(this), amount);
// In the wMatic case, this unwraps. For other ERC20s, this is the burn/send action.
token.withdraw(token.balanceOf(address(this)));
// This takes the token that was withdrawn and calls withdraw on the "native" ERC20.
if (address(token) == l2WrappedMatic)
maticToken.withdraw{ value: address(this).balance }(address(this).balance);
}
/**
* @notice Called by someone to send tokens to the destination, which should be set to the HubPool.
* @param token Token to send to destination.
*/
function retrieve(IERC20 token) public nonReentrant onlyChainId(l1ChainId) {
if (address(token) == address(l1Weth)) {
// For WETH, there is a pre-deposit step to ensure any ETH that has been sent to the contract is captured.
l1Weth.deposit{ value: address(this).balance }();
}
token.safeTransfer(destination, token.balanceOf(address(this)));
}
/**
* @notice Called to initiate an l1 exit (withdrawal) of matic tokens that have been sent over the plasma bridge.
* @param data the proof data to trigger the exit. Can be generated using the maticjs-plasma package.
*/
function callExit(bytes memory data) public nonReentrant onlyChainId(l1ChainId) {
PolygonERC20Predicate erc20Predicate = PolygonERC20Predicate(l1PolygonRegistry.erc20Predicate());
erc20Predicate.startExitWithBurntTokens(data);
}
receive() external payable {
// This method is empty to avoid any gas expendatures that might cause transfers to fail.
// Note: the fact that there is _no_ code in this function means that matic can be erroneously transferred in
// to the contract on the polygon side. These tokens would be locked indefinitely since the receive function
// cannot be called on the polygon side. While this does have some downsides, the lack of any functionality
// in this function means that it has no chance of running out of gas on transfers, which is a much more
// important benefit. This just makes the matic token risk similar to that of ERC20s that are erroneously
// sent to the contract.
}
function _requireChainId(uint256 chainId) internal view {
require(block.chainid == chainId, "Cannot run method on this chain");
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @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);
/**
* @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);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.0;
import "../IERC20.sol";
import "../../../utils/Address.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using Address for address;
function safeTransfer(
IERC20 token,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(
IERC20 token,
address from,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(
IERC20 token,
address spender,
uint256 value
) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
uint256 newAllowance = token.allowance(address(this), spender) + value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
uint256 newAllowance = oldAllowance - value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
// Return data is optional
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (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
* ====
*
* [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://diligence.consensys.net/posts/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/v0.5.11/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 functionCall(target, data, "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");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(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) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(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) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason 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 {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity ^0.8.0;
/**
* @title A contract that provides modifiers to prevent reentrancy to state-changing and view-only methods. This contract
* is inspired by https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/ReentrancyGuard.sol
* and https://github.com/balancer-labs/balancer-core/blob/master/contracts/BPool.sol.
* @dev The reason why we use this local contract instead of importing from uma/contracts is because of the addition
* of the internal method `functionCallStackOriginatesFromOutsideThisContract` which doesn't exist in the one exported
* by uma/contracts.
*/
contract Lockable {
bool internal _notEntered;
constructor() {
// Storing an initial non-zero value makes deployment a bit more expensive, but in exchange the refund on every
// call to nonReentrant will be lower in amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to increase the likelihood of the full
// refund coming into effect.
_notEntered = true;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a nonReentrant function from another nonReentrant function is not supported. It is possible to
* prevent this from happening by making the nonReentrant function external, and making it call a private
* function that does the actual state modification.
*/
modifier nonReentrant() {
_preEntranceCheck();
_preEntranceSet();
_;
_postEntranceReset();
}
/**
* @dev Designed to prevent a view-only method from being re-entered during a call to a nonReentrant() state-changing method.
*/
modifier nonReentrantView() {
_preEntranceCheck();
_;
}
/**
* @dev Returns true if the contract is currently in a non-entered state, meaning that the origination of the call
* came from outside the contract. This is relevant with fallback/receive methods to see if the call came from ETH
* being dropped onto the contract externally or due to ETH dropped on the the contract from within a method in this
* contract, such as unwrapping WETH to ETH within the contract.
*/
function functionCallStackOriginatesFromOutsideThisContract() internal view returns (bool) {
return _notEntered;
}
// Internal methods are used to avoid copying the require statement's bytecode to every nonReentrant() method.
// On entry into a function, _preEntranceCheck() should always be called to check if the function is being
// re-entered. Then, if the function modifies state, it should call _postEntranceSet(), perform its logic, and
// then call _postEntranceReset().
// View-only methods can simply call _preEntranceCheck() to make sure that it is not being re-entered.
function _preEntranceCheck() internal view {
// On the first call to nonReentrant, _notEntered will be true
require(_notEntered, "ReentrancyGuard: reentrant call");
}
function _preEntranceSet() internal {
// Any calls to nonReentrant after this point will fail
_notEntered = false;
}
function _postEntranceReset() internal {
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_notEntered = true;
}
}// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;
interface WETH9 {
function withdraw(uint256 wad) external;
function deposit() external payable;
function balanceOf(address guy) external view returns (uint256 wad);
function transfer(address guy, uint256 wad) external;
}{
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs",
"useLiteralContent": true
},
"optimizer": {
"enabled": true,
"runs": 1000000
},
"remappings": [],
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"inputs":[{"internalType":"address","name":"_destination","type":"address"},{"internalType":"contract PolygonRegistry","name":"_l1PolygonRegistry","type":"address"},{"internalType":"contract WETH9","name":"_l1Weth","type":"address"},{"internalType":"address","name":"_l2WrappedMatic","type":"address"},{"internalType":"uint256","name":"_l1ChainId","type":"uint256"},{"internalType":"uint256","name":"_l2ChainId","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"bytes","name":"data","type":"bytes"}],"name":"callExit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"destination","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l1ChainId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l1PolygonRegistry","outputs":[{"internalType":"contract PolygonRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l1Weth","outputs":[{"internalType":"contract WETH9","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l2ChainId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l2WrappedMatic","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maticToken","outputs":[{"internalType":"contract MaticToken","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"token","type":"address"}],"name":"retrieve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract PolygonIERC20","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"send","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000c186fa914353c44b2e33ebe05f21846f1048beda00000000000000000000000033a02e6cc863d393d6bf231b697b82f6e499ca71000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc20000000000000000000000000d500b1d8e8ef31e21c99d1db9a6444d3adf127000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000089
-----Decoded View---------------
Arg [0] : _destination (address): 0xc186fA914353c44b2E33eBE05f21846F1048bEda
Arg [1] : _l1PolygonRegistry (address): 0x33a02E6cC863D393d6Bf231B697b82F6e499cA71
Arg [2] : _l1Weth (address): 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
Arg [3] : _l2WrappedMatic (address): 0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270
Arg [4] : _l1ChainId (uint256): 1
Arg [5] : _l2ChainId (uint256): 137
-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 000000000000000000000000c186fa914353c44b2e33ebe05f21846f1048beda
Arg [1] : 00000000000000000000000033a02e6cc863d393d6bf231b697b82f6e499ca71
Arg [2] : 000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2
Arg [3] : 0000000000000000000000000d500b1d8e8ef31e21c99d1db9a6444d3adf1270
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000089
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Net Worth in USD
$0.00
Net Worth in ETH
0
Multichain Portfolio | 34 Chains
| Chain | Token | Portfolio % | Price | Amount | Value |
|---|
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.