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Latest 25 from a total of 877 transactions
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Deposit ETH | 20661813 | 18 hrs ago | IN | 0.6211 ETH | 0.00059172 | ||||
Deposit ETH | 20661781 | 18 hrs ago | IN | 0.6 ETH | 0.00075911 | ||||
Deposit ETH | 20655685 | 38 hrs ago | IN | 0.515 ETH | 0.00020287 | ||||
Deposit ETH | 20654265 | 43 hrs ago | IN | 0.5 ETH | 0.00011627 | ||||
Deposit ETH | 20651996 | 2 days ago | IN | 0.001 ETH | 0.00011496 | ||||
Deposit Token | 20634260 | 4 days ago | IN | 0 ETH | 0.00044897 | ||||
Deposit ETH | 20614938 | 7 days ago | IN | 0.002 ETH | 0.00026197 | ||||
Deposit ETH | 20608204 | 8 days ago | IN | 0.001 ETH | 0.00013065 | ||||
Deposit Token | 20608172 | 8 days ago | IN | 0 ETH | 0.00017767 | ||||
Deposit ETH | 20563966 | 14 days ago | IN | 1 ETH | 0.00033601 | ||||
Deposit ETH | 20554817 | 15 days ago | IN | 0.01 ETH | 0.00019744 | ||||
Deposit ETH | 20539843 | 17 days ago | IN | 0.06 ETH | 0.00022214 | ||||
Deposit ETH | 20522349 | 20 days ago | IN | 0.0011 ETH | 0.00020322 | ||||
Deposit ETH | 20508227 | 22 days ago | IN | 2 ETH | 0.00023001 | ||||
Deposit Token | 20487317 | 25 days ago | IN | 0 ETH | 0.00057314 | ||||
Deposit ETH | 20475062 | 26 days ago | IN | 0.1 ETH | 0.00019154 | ||||
Deposit ETH | 20475044 | 26 days ago | IN | 0.1 ETH | 0.00020506 | ||||
Deposit Token | 20472993 | 27 days ago | IN | 0 ETH | 0.00027243 | ||||
Deposit ETH | 20472676 | 27 days ago | IN | 0.1 ETH | 0.00040363 | ||||
Deposit ETH | 20468744 | 27 days ago | IN | 0.001 ETH | 0.00049005 | ||||
Deposit ETH | 20468537 | 27 days ago | IN | 0.056 ETH | 0.0009033 | ||||
Deposit Token | 20456310 | 29 days ago | IN | 0 ETH | 0.00272903 | ||||
Deposit Token | 20454568 | 29 days ago | IN | 0 ETH | 0.00023669 | ||||
Deposit ETH | 20453612 | 29 days ago | IN | 0.32 ETH | 0.00016349 | ||||
Deposit Token | 20439200 | 31 days ago | IN | 0 ETH | 0.00065519 |
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Latest 25 internal transactions (View All)
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20661813 | 18 hrs ago | 0.6211 ETH | |||||
20661781 | 18 hrs ago | 0.6 ETH | |||||
20655685 | 38 hrs ago | 0.515 ETH | |||||
20654265 | 43 hrs ago | 0.5 ETH | |||||
20651996 | 2 days ago | 0.001 ETH | |||||
20634260 | 4 days ago | 0 ETH | |||||
20634260 | 4 days ago | 0 ETH | |||||
20634260 | 4 days ago | 0 ETH | |||||
20614938 | 7 days ago | 0.002 ETH | |||||
20608204 | 8 days ago | 0.001 ETH | |||||
20608172 | 8 days ago | 0 ETH | |||||
20608172 | 8 days ago | 0 ETH | |||||
20608172 | 8 days ago | 0 ETH | |||||
20563966 | 14 days ago | 1 ETH | |||||
20554817 | 15 days ago | 0.01 ETH | |||||
20539843 | 17 days ago | 0.06 ETH | |||||
20522349 | 20 days ago | 0.0011 ETH | |||||
20508227 | 22 days ago | 2 ETH | |||||
20487317 | 25 days ago | 0 ETH | |||||
20487317 | 25 days ago | 0 ETH | |||||
20487317 | 25 days ago | 0 ETH | |||||
20475062 | 26 days ago | 0.1 ETH | |||||
20475044 | 26 days ago | 0.1 ETH | |||||
20472993 | 27 days ago | 0 ETH | |||||
20472993 | 27 days ago | 0 ETH |
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Contract Source Code Verified (Exact Match)
Contract Name:
RizeWormholeV1
Compiler Version
v0.8.24+commit.e11b9ed9
Optimization Enabled:
No with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: Apache 2 pragma solidity ^0.8.20; import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol"; import { ReentrancyGuard } from "@openzeppelin/contracts/utils/ReentrancyGuard.sol"; import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import { IWormhole } from "./interfaces/IWormhole.sol"; import { ITokenBridgeRelayer } from "./interfaces/ITokenBridgeRelayer.sol"; import { Storage } from "./Storage.sol"; import { Events } from "./Events.sol"; import { Errors } from "./Errors.sol"; /// @title RIZE V1 smart contract for wormhole bridge integration. /// @author [email protected] /// @notice This contract integrates with the Wormhole TokenBridgeRelayer. /// It guides specific operations such as defining the target blockchain /// network, allowed token whitelist, and the recipient (forwarder) address. contract RizeWormholeV1 is Ownable, ReentrancyGuard, Storage { constructor(address wh, address tbr) Ownable(msg.sender) { if (wh == address(0)) { revert Errors.InvalidWormhole(wh); } if (tbr == address(0)) { revert Errors.InvalidTokenBridgeRelayer(tbr); } _wormhole = wh; _tokenBridgeRelayer = tbr; } /// @dev Deposit Ether into this smart contract, which then gets bridged /// via the Wormhole to the specified target blockchain network. function depositETH( uint16 targetChain ) external payable nonReentrant returns (uint64 messageSequence) { bytes32 forwarder = forwarderByChainId(targetChain); messageSequence = tokenBridgeRelayer().wrapAndTransferEthWithRelay{ value: msg.value }(0, targetChain, forwarder, 0); emit Events.WormholeETHDepositEvent( msg.sender, msg.value, targetChain, forwarder, messageSequence ); } /// @dev Deposit ERC20 tokens into this smart contract, which then gets /// bridged via the Wormhole to a specified target blockchain network. function depositToken( address token, uint256 amount, uint16 targetChain ) external nonReentrant returns (uint64 messageSequence) { if (!isTokenWhitelisted(token, targetChain)) { revert Errors.NotWhitelisted(token, targetChain); } bytes32 forwarder = forwarderByChainId(targetChain); SafeERC20.safeTransferFrom( IERC20(token), msg.sender, address(this), amount ); uint256 allowance = IERC20(token).allowance( address(this), address(tokenBridgeRelayer()) ); if (allowance < amount) { SafeERC20.safeIncreaseAllowance( IERC20(token), address(tokenBridgeRelayer()), type(uint256).max ); } messageSequence = tokenBridgeRelayer().transferTokensWithRelay( token, amount, 0, targetChain, forwarder, 0 ); emit Events.WormholeERC20DepositEvent( msg.sender, token, amount, targetChain, forwarder, messageSequence ); } // Public view methods function wormhole() public view returns (IWormhole) { return IWormhole(_wormhole); } function tokenBridgeRelayer() public view returns (ITokenBridgeRelayer) { return ITokenBridgeRelayer(_tokenBridgeRelayer); } function isTokenWhitelisted( address token, uint16 whChainId ) public view returns (bool) { return _tokens[token] && _targetChains[whChainId]; } function isChainEnabled(uint16 whChainId) public view returns (bool) { return _targetChains[whChainId]; } function forwarderByChainId( uint16 whChainId ) public view returns (bytes32) { if (!isChainEnabled(whChainId)) { revert Errors.ChainDisabled(whChainId); } bytes32 forwarder = _forwarders[whChainId]; if (forwarder == bytes32(0)) { revert Errors.ChainDisabled(whChainId); } return forwarder; } // Admin set methods function setWormhole(address wh) external onlyOwner nonReentrant { if (wh == address(0)) { revert Errors.InvalidWormhole(wh); } _wormhole = wh; emit Events.SetWormholeEvent(wh); } function setTokenBridgeRelayer( address tbr ) external onlyOwner nonReentrant { if (tbr == address(0)) { revert Errors.InvalidTokenBridgeRelayer(tbr); } _tokenBridgeRelayer = tbr; emit Events.SetTokenBridgeRelayerEvent(tbr); } function addToken(address token) external onlyOwner nonReentrant { _tokens[token] = true; emit Events.AddTokenEvent(token); } function removeToken(address token) external onlyOwner nonReentrant { _tokens[token] = false; emit Events.RemoveTokenEvent(token); } function addChain( uint16 whChainId, bytes32 forwarder ) external onlyOwner nonReentrant { _targetChains[whChainId] = true; _forwarders[whChainId] = forwarder; emit Events.AddChainEvent(whChainId, forwarder); } function removeChain(uint16 whChainId) external onlyOwner nonReentrant { _targetChains[whChainId] = false; emit Events.RemoveChainEvent(whChainId); } // @dev Backdoor for withdraw ERC20 sent to this contract. The ERC20 token // does not include user deposit assets. The withdraw only applies to token // that is accidentally sent to the smart contract, or airdropped tokens. function withdrawToken( IERC20 token, uint256 amount ) external onlyOwner nonReentrant { SafeERC20.safeTransfer(token, owner(), amount); emit Events.WithdrawTokenEvent(address(token), amount); } fallback() external payable { revert Errors.Unsupported(); } receive() external payable { revert Errors.Unsupported(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol) pragma solidity ^0.8.20; import {Context} from "../utils/Context.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. * * The initial owner is set to the address provided by the deployer. 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 Ownable is Context { address private _owner; /** * @dev The caller account is not authorized to perform an operation. */ error OwnableUnauthorizedAccount(address account); /** * @dev The owner is not a valid owner account. (eg. `address(0)`) */ error OwnableInvalidOwner(address owner); event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the address provided by the deployer as the initial owner. */ constructor(address initialOwner) { if (initialOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(initialOwner); } /** * @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 { if (owner() != _msgSender()) { revert OwnableUnauthorizedAccount(_msgSender()); } } /** * @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 { if (newOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _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); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol) pragma solidity ^0.8.20; /** * @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 IERC20Permit { /** * @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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @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 value of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the value of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves a `value` amount of 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 value) 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 a `value` amount of tokens 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 value) external returns (bool); /** * @dev Moves a `value` amount of tokens from `from` to `to` using the * allowance mechanism. `value` 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 value) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.20; import {IERC20} from "../IERC20.sol"; import {IERC20Permit} from "../extensions/IERC20Permit.sol"; import {Address} from "../../../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; /** * @dev An operation with an ERC20 token failed. */ error SafeERC20FailedOperation(address token); /** * @dev Indicates a failed `decreaseAllowance` request. */ error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease); /** * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value))); } /** * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful. */ function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value))); } /** * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 oldAllowance = token.allowance(address(this), spender); forceApprove(token, spender, oldAllowance + value); } /** * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no * value, non-reverting calls are assumed to be successful. */ function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal { unchecked { uint256 currentAllowance = token.allowance(address(this), spender); if (currentAllowance < requestedDecrease) { revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease); } forceApprove(token, spender, currentAllowance - requestedDecrease); } } /** * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval * to be set to zero before setting it to a non-zero value, such as USDT. */ function forceApprove(IERC20 token, address spender, uint256 value) internal { bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value)); if (!_callOptionalReturnBool(token, approvalCall)) { _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0))); _callOptionalReturn(token, approvalCall); } } /** * @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); if (returndata.length != 0 && !abi.decode(returndata, (bool))) { revert SafeERC20FailedOperation(address(token)); } } /** * @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). * * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead. */ function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) { // 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 cannot use {Address-functionCall} here since this should return false // and not revert is the subcall reverts. (bool success, bytes memory returndata) = address(token).call(data); return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol) pragma solidity ^0.8.20; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev The ETH balance of the account is not enough to perform the operation. */ error AddressInsufficientBalance(address account); /** * @dev There's no code at `target` (it is not a contract). */ error AddressEmptyCode(address target); /** * @dev A call to an address target failed. The target may have reverted. */ error FailedInnerCall(); /** * @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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { if (address(this).balance < amount) { revert AddressInsufficientBalance(address(this)); } (bool success, ) = recipient.call{value: amount}(""); if (!success) { revert FailedInnerCall(); } } /** * @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 or custom error, it is bubbled * up by this function (like regular Solidity function calls). However, if * the call reverted with no returned reason, this function reverts with a * {FailedInnerCall} error. * * 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. */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0); } /** * @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`. */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { if (address(this).balance < value) { revert AddressInsufficientBalance(address(this)); } (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an * unsuccessful call. */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata ) internal view returns (bytes memory) { if (!success) { _revert(returndata); } else { // only check if target is a contract if the call was successful and the return data is empty // otherwise we already know that it was a contract if (returndata.length == 0 && target.code.length == 0) { revert AddressEmptyCode(target); } return returndata; } } /** * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the * revert reason or with a default {FailedInnerCall} error. */ function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) { if (!success) { _revert(returndata); } else { return returndata; } } /** * @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}. */ function _revert(bytes memory returndata) 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 FailedInnerCall(); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol) pragma solidity ^0.8.20; /** * @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 Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/ReentrancyGuard.sol) pragma solidity ^0.8.20; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being 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. uint256 private constant NOT_ENTERED = 1; uint256 private constant ENTERED = 2; uint256 private _status; /** * @dev Unauthorized reentrant call. */ error ReentrancyGuardReentrantCall(); constructor() { _status = NOT_ENTERED; } /** * @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 work. */ modifier nonReentrant() { _nonReentrantBefore(); _; _nonReentrantAfter(); } function _nonReentrantBefore() private { // On the first call to nonReentrant, _status will be NOT_ENTERED if (_status == ENTERED) { revert ReentrancyGuardReentrantCall(); } // Any calls to nonReentrant after this point will fail _status = ENTERED; } function _nonReentrantAfter() private { // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = NOT_ENTERED; } /** * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a * `nonReentrant` function in the call stack. */ function _reentrancyGuardEntered() internal view returns (bool) { return _status == ENTERED; } }
// SPDX-License-Identifier: Apache 2 pragma solidity ^0.8.20; contract Errors { error NotWhitelisted(address token, uint16 targetChain); error ChainDisabled(uint16 chainId); error InvalidWormhole(address wh); error InvalidTokenBridgeRelayer(address tbr); error Unsupported(); }
// SPDX-License-Identifier: Apache 2 pragma solidity ^0.8.20; contract Events { // ERC20 deposit event event WormholeERC20DepositEvent( address user, address token, uint256 amount, uint16 targetChain, bytes32 forwarder, uint64 messageSequence ); // ETH deposit event event WormholeETHDepositEvent( address user, uint256 amount, uint16 targetChain, bytes32 forwarder, uint64 messageSequence ); event SetTokenBridgeRelayerEvent(address tokenBridgeRelayer); event SetWormholeEvent(address wormhole); event AddTokenEvent(address token); event RemoveTokenEvent(address token); event AddChainEvent(uint16 whChainId, bytes32 forwarder); event RemoveChainEvent(uint16 whChainId); event WithdrawTokenEvent(address token, uint256 amount); }
// SPDX-License-Identifier: Apache 2 pragma solidity ^0.8.20; import { IWETH } from "./IWETH.sol"; import { IWormhole } from "./IWormhole.sol"; interface ITokenBridge { struct Transfer { uint8 payloadID; uint256 amount; bytes32 tokenAddress; uint16 tokenChain; bytes32 to; uint16 toChain; uint256 fee; } struct TransferWithPayload { uint8 payloadID; uint256 amount; bytes32 tokenAddress; uint16 tokenChain; bytes32 to; uint16 toChain; bytes32 fromAddress; bytes payload; } struct AssetMeta { uint8 payloadID; bytes32 tokenAddress; uint16 tokenChain; uint8 decimals; bytes32 symbol; bytes32 name; } struct RegisterChain { bytes32 module; uint8 action; uint16 chainId; uint16 emitterChainID; bytes32 emitterAddress; } struct UpgradeContract { bytes32 module; uint8 action; uint16 chainId; bytes32 newContract; } struct RecoverChainId { bytes32 module; uint8 action; uint256 evmChainId; uint16 newChainId; } event ContractUpgraded( address indexed oldContract, address indexed newContract ); event TransferRedeemed( uint16 indexed emitterChainId, bytes32 indexed emitterAddress, uint64 indexed sequence ); function _parseTransferCommon( bytes memory encoded ) external pure returns (Transfer memory transfer); function attestToken( address tokenAddress, uint32 nonce ) external payable returns (uint64 sequence); function wrapAndTransferETH( uint16 recipientChain, bytes32 recipient, uint256 arbiterFee, uint32 nonce ) external payable returns (uint64 sequence); function wrapAndTransferETHWithPayload( uint16 recipientChain, bytes32 recipient, uint32 nonce, bytes memory payload ) external payable returns (uint64 sequence); function transferTokens( address token, uint256 amount, uint16 recipientChain, bytes32 recipient, uint256 arbiterFee, uint32 nonce ) external payable returns (uint64 sequence); function transferTokensWithPayload( address token, uint256 amount, uint16 recipientChain, bytes32 recipient, uint32 nonce, bytes memory payload ) external payable returns (uint64 sequence); function updateWrapped( bytes memory encodedVm ) external returns (address token); function createWrapped( bytes memory encodedVm ) external returns (address token); function completeTransferWithPayload( bytes memory encodedVm ) external returns (bytes memory); function completeTransferAndUnwrapETHWithPayload( bytes memory encodedVm ) external returns (bytes memory); function completeTransfer(bytes memory encodedVm) external; function completeTransferAndUnwrapETH(bytes memory encodedVm) external; function encodeAssetMeta( AssetMeta memory meta ) external pure returns (bytes memory encoded); function encodeTransfer( Transfer memory transfer ) external pure returns (bytes memory encoded); function encodeTransferWithPayload( TransferWithPayload memory transfer ) external pure returns (bytes memory encoded); function parsePayloadID( bytes memory encoded ) external pure returns (uint8 payloadID); function parseAssetMeta( bytes memory encoded ) external pure returns (AssetMeta memory meta); function parseTransfer( bytes memory encoded ) external pure returns (Transfer memory transfer); function parseTransferWithPayload( bytes memory encoded ) external pure returns (TransferWithPayload memory transfer); function governanceActionIsConsumed( bytes32 hash ) external view returns (bool); function isInitialized(address impl) external view returns (bool); function isTransferCompleted(bytes32 hash) external view returns (bool); function wormhole() external view returns (IWormhole); function chainId() external view returns (uint16); function evmChainId() external view returns (uint256); function isFork() external view returns (bool); function governanceChainId() external view returns (uint16); function governanceContract() external view returns (bytes32); function wrappedAsset( uint16 tokenChainId, bytes32 tokenAddress ) external view returns (address); function bridgeContracts(uint16 chainId_) external view returns (bytes32); function tokenImplementation() external view returns (address); function WETH() external view returns (IWETH); function outstandingBridged(address token) external view returns (uint256); function isWrappedAsset(address token) external view returns (bool); function finality() external view returns (uint8); function implementation() external view returns (address); function initialize() external; function registerChain(bytes memory encodedVM) external; function upgrade(bytes memory encodedVM) external; function submitRecoverChainId(bytes memory encodedVM) external; function parseRegisterChain( bytes memory encoded ) external pure returns (RegisterChain memory chain); function parseUpgrade( bytes memory encoded ) external pure returns (UpgradeContract memory chain); function parseRecoverChainId( bytes memory encodedRecoverChainId ) external pure returns (RecoverChainId memory rci); }
// SPDX-License-Identifier: Apache 2 // https://github.com/wormhole-foundation/example-token-bridge-relayer/tree/main/evm/src/interfaces pragma solidity ^0.8.20; import { IWETH } from "./IWETH.sol"; import { IWormhole } from "./IWormhole.sol"; import { ITokenBridge } from "./ITokenBridge.sol"; interface ITokenBridgeRelayer { struct TransferWithRelay { uint8 payloadId; // == 1 uint256 targetRelayerFee; uint256 toNativeTokenAmount; bytes32 targetRecipient; } struct SwapRateUpdate { address token; uint256 value; } event TransferRedeemed( uint16 indexed emitterChainId, bytes32 indexed emitterAddress, uint64 indexed sequence ); event SwapExecuted( address indexed recipient, address indexed relayer, address indexed token, uint256 tokenAmount, uint256 nativeAmount ); function transferTokensWithRelay( address token, uint256 amount, uint256 toNativeTokenAmount, uint16 targetChain, bytes32 targetRecipient, uint32 batchId ) external payable returns (uint64 messageSequence); function wrapAndTransferEthWithRelay( uint256 toNativeTokenAmount, uint16 targetChain, bytes32 targetRecipient, uint32 batchId ) external payable returns (uint64 messageSequence); function completeTransferWithRelay( bytes calldata encodedTransferMessage ) external payable; function encodeTransferWithRelay( TransferWithRelay memory transfer ) external pure returns (bytes memory encoded); function decodeTransferWithRelay( bytes memory encoded ) external pure returns (TransferWithRelay memory transfer); function calculateMaxSwapAmountIn( address token ) external view returns (uint256); function calculateNativeSwapAmountOut( address token, uint256 toNativeAmount ) external view returns (uint256); function bytes32ToAddress(bytes32 address_) external pure returns (address); function updateWormholeFinality( uint16 chainId_, uint8 newWormholeFinality ) external; function submitOwnershipTransferRequest( uint16 chainId_, address newOwner ) external; function cancelOwnershipTransferRequest(uint16 chainId_) external; function confirmOwnershipTransferRequest() external; function updateOwnerAssistant( uint16 chainId_, address newAssistant ) external; function updateFeeRecipient( uint16 chainId_, address newFeeRecipient ) external; function updateUnwrapWethFlag(uint16 chainId_, bool unwrapWeth_) external; function registerContract( uint16 chainId_, bytes32 contractAddress ) external; function registerToken(uint16 chainId_, address token) external; function deregisterToken(uint16 chainId_, address token) external; function updateRelayerFee(uint16 chainId_, uint256 amount) external; function updateRelayerFeePrecision( uint16 chainId_, uint256 relayerFeePrecision_ ) external; function updateSwapRate( uint16 chainId_, SwapRateUpdate[] calldata swapRateUpdate ) external; function updateSwapRatePrecision( uint16 chainId_, uint256 swapRatePrecision_ ) external; function updateMaxNativeSwapAmount( uint16 chainId_, address token, uint256 maxAmount ) external; function setPauseForTransfers(uint16 chainId_, bool paused) external; function owner() external view returns (address); function pendingOwner() external view returns (address); function ownerAssistant() external view returns (address); function feeRecipient() external view returns (address); function tokenBridge() external view returns (ITokenBridge); function wormhole() external view returns (IWormhole); function WETH() external view returns (IWETH); function unwrapWeth() external view returns (bool); function chainId() external view returns (uint16); function getPaused() external view returns (bool); function relayerFeePrecision() external view returns (uint256); function relayerFee(uint16 chainId_) external view returns (uint256); function calculateRelayerFee( uint16 targetChainId, address token, uint8 decimals ) external view returns (uint256 feeInTokenDenomination); function swapRatePrecision() external view returns (uint256); function swapRate(address token) external view returns (uint256); function nativeSwapRate(address token) external view returns (uint256); function maxNativeSwapAmount(address token) external view returns (uint256); function getRegisteredContract( uint16 emitterChainId ) external view returns (bytes32); function isAcceptedToken(address token) external view returns (bool); function getAcceptedTokensList() external view returns (address[] memory); }
// SPDX-License-Identifier: Apache 2 pragma solidity ^0.8.20; import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol"; interface IWETH is IERC20 { function deposit() external payable; function withdraw(uint256 amount) external; function balanceOf() external returns (uint256); }
// SPDX-License-Identifier: Apache 2 pragma solidity ^0.8.20; interface IWormhole { struct GuardianSet { address[] keys; uint32 expirationTime; } struct Signature { bytes32 r; bytes32 s; uint8 v; uint8 guardianIndex; } struct VM { uint8 version; uint32 timestamp; uint32 nonce; uint16 emitterChainId; bytes32 emitterAddress; uint64 sequence; uint8 consistencyLevel; bytes payload; uint32 guardianSetIndex; Signature[] signatures; bytes32 hash; } struct ContractUpgrade { bytes32 module; uint8 action; uint16 chain; address newContract; } struct GuardianSetUpgrade { bytes32 module; uint8 action; uint16 chain; GuardianSet newGuardianSet; uint32 newGuardianSetIndex; } struct SetMessageFee { bytes32 module; uint8 action; uint16 chain; uint256 messageFee; } struct TransferFees { bytes32 module; uint8 action; uint16 chain; uint256 amount; bytes32 recipient; } struct RecoverChainId { bytes32 module; uint8 action; uint256 evmChainId; uint16 newChainId; } event LogMessagePublished( address indexed sender, uint64 sequence, uint32 nonce, bytes payload, uint8 consistencyLevel ); event ContractUpgraded( address indexed oldContract, address indexed newContract ); event GuardianSetAdded(uint32 indexed index); function publishMessage( uint32 nonce, bytes memory payload, uint8 consistencyLevel ) external payable returns (uint64 sequence); function initialize() external; function parseAndVerifyVM( bytes calldata encodedVM ) external view returns (VM memory vm, bool valid, string memory reason); function verifyVM( VM memory vm ) external view returns (bool valid, string memory reason); function verifySignatures( bytes32 hash, Signature[] memory signatures, GuardianSet memory guardianSet ) external pure returns (bool valid, string memory reason); function parseVM( bytes memory encodedVM ) external pure returns (VM memory vm); function quorum( uint256 numGuardians ) external pure returns (uint256 numSignaturesRequiredForQuorum); function getGuardianSet( uint32 index ) external view returns (GuardianSet memory); function getCurrentGuardianSetIndex() external view returns (uint32); function getGuardianSetExpiry() external view returns (uint32); function governanceActionIsConsumed( bytes32 hash ) external view returns (bool); function isInitialized(address impl) external view returns (bool); function chainId() external view returns (uint16); function isFork() external view returns (bool); function governanceChainId() external view returns (uint16); function governanceContract() external view returns (bytes32); function messageFee() external view returns (uint256); function evmChainId() external view returns (uint256); function nextSequence(address emitter) external view returns (uint64); function parseContractUpgrade( bytes memory encodedUpgrade ) external pure returns (ContractUpgrade memory cu); function parseGuardianSetUpgrade( bytes memory encodedUpgrade ) external pure returns (GuardianSetUpgrade memory gsu); function parseSetMessageFee( bytes memory encodedSetMessageFee ) external pure returns (SetMessageFee memory smf); function parseTransferFees( bytes memory encodedTransferFees ) external pure returns (TransferFees memory tf); function parseRecoverChainId( bytes memory encodedRecoverChainId ) external pure returns (RecoverChainId memory rci); function submitContractUpgrade(bytes memory _vm) external; function submitSetMessageFee(bytes memory _vm) external; function submitNewGuardianSet(bytes memory _vm) external; function submitTransferFees(bytes memory _vm) external; function submitRecoverChainId(bytes memory _vm) external; }
// SPDX-License-Identifier: Apache 2 pragma solidity ^0.8.20; contract Storage { // Wormhole contract address address public _wormhole; // TokenBridgeRelayer contract address. address public _tokenBridgeRelayer; // Whitelisted ERC20 tokens for wormhole bridge mapping(address => bool) public _tokens; // Whitelisted wormhole chain IDs as target chain mapping(uint16 => bool) public _targetChains; // Mapping of target chain ID to the forwarder(recipient) address\ mapping(uint16 => bytes32) public _forwarders; }
{ "evmVersion": "paris", "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "metadata": { "useLiteralContent": true }, "libraries": {} }
Contract Security Audit
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ITokenBridgeRelayer","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdrawToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"wormhole","outputs":[{"internalType":"contract IWormhole","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000098f3c9e6e3face36baad05fe09d375ef1464288b000000000000000000000000cafd2f0a35a4459fa40c0517e17e6fa2939441ca
-----Decoded View---------------
Arg [0] : wh (address): 0x98f3c9e6E3fAce36bAAd05FE09d375Ef1464288B
Arg [1] : tbr (address): 0xCafd2f0A35A4459fA40C0517e17e6fA2939441CA
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000098f3c9e6e3face36baad05fe09d375ef1464288b
Arg [1] : 000000000000000000000000cafd2f0a35a4459fa40c0517e17e6fa2939441ca
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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.