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Latest 9 from a total of 9 transactions
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Rescue Funds | 15490333 | 760 days ago | IN | 0 ETH | 0.00061822 | ||||
Refund Celer Use... | 15211675 | 804 days ago | IN | 0 ETH | 0.0025178 | ||||
Rescue Funds | 15075801 | 825 days ago | IN | 0 ETH | 0.00060687 | ||||
Rescue Funds | 15075795 | 825 days ago | IN | 0 ETH | 0.00081238 | ||||
Refund Celer Use... | 15061377 | 827 days ago | IN | 0 ETH | 0.00239294 | ||||
Refund Celer Use... | 15058347 | 827 days ago | IN | 0 ETH | 0.00381627 | ||||
Rescue Funds | 15044456 | 830 days ago | IN | 0 ETH | 0.00156072 | ||||
Refund Celer Use... | 15032685 | 832 days ago | IN | 0 ETH | 0.00599938 | ||||
0x60c06040 | 14941096 | 848 days ago | IN | 0 ETH | 0.06610396 |
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Contract Name:
CelerImplL1L2
Compiler Version
v0.8.4+commit.c7e474f2
Optimization Enabled:
Yes with 800 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "../../helpers/errors.sol"; import "../../ImplBase.sol"; import "../../interfaces/cbridge.sol"; import "../../helpers/Pb.sol"; /** @title Celer L2 Implementation. @notice This is the L2 implementation, so this is used when transferring from l2 to supported l2s or L1. Called by the registry if the selected bridge is Celer bridge. @dev Follows the interface of ImplBase. @author Socket. */ contract CelerImplL1L2 is ImplBase, ReentrancyGuard { using SafeERC20 for IERC20; using Pb for Pb.Buffer; ICBridge public immutable router; mapping(bytes32 => address) public transferIdAdrressMap; uint64 public immutable chainId; struct WithdrawMsg { uint64 chainid; // tag: 1 uint64 seqnum; // tag: 2 address receiver; // tag: 3 address token; // tag: 4 uint256 amount; // tag: 5 bytes32 refid; // tag: 6 } /** @notice Constructor sets the router address and registry address. @dev Celer Bridge address is constant. so no setter function required. */ constructor(ICBridge _router, address _registry) ImplBase(_registry) { router = _router; chainId = uint64(block.chainid); } /** @notice function responsible for calling cross chain transfer using celer bridge. @dev the token to be passed on to the celer bridge. @param _amount amount to be sent. @param _from sender address. @param _receiverAddress receivers address. @param _token this is the main token address on the source chain. @param _toChainId destination chain Id @param _data data contains nonce and the maxSlippage. */ function outboundTransferTo( uint256 _amount, address _from, address _receiverAddress, address _token, uint256 _toChainId, bytes memory _data ) external payable override onlyRegistry nonReentrant { (uint64 nonce, uint32 maxSlippage) = abi.decode( _data, (uint64, uint32) ); bytes32 transferId = keccak256( abi.encodePacked( address(this), _receiverAddress, _token, _amount, uint64(_toChainId), nonce, chainId ) ); require( transferIdAdrressMap[transferId] == address(0), "Transfer Id already exist in map" ); transferIdAdrressMap[transferId] = _from; if (_token == NATIVE_TOKEN_ADDRESS) { require(msg.value == _amount, MovrErrors.VALUE_NOT_EQUAL_TO_AMOUNT); router.sendNative{value: _amount}( _receiverAddress, _amount, uint64(_toChainId), nonce, maxSlippage ); } else { require(msg.value == 0, MovrErrors.VALUE_SHOULD_BE_ZERO); IERC20(_token).safeTransferFrom(_from, address(this), _amount); IERC20(_token).safeIncreaseAllowance(address(router), _amount); router.send( _receiverAddress, _token, _amount, uint64(_toChainId), nonce, maxSlippage ); } } function refundCelerUser( bytes calldata _request, bytes[] calldata _sigs, address[] calldata _signers, uint256[] calldata _powers ) external payable nonReentrant { WithdrawMsg memory request = decWithdrawMsg(_request); bytes32 transferId = keccak256( abi.encodePacked( request.chainid, request.seqnum, request.receiver, request.token, request.amount ) ); if (!router.withdraws(transferId)) { router.withdraw(_request, _sigs, _signers, _powers); } require(request.receiver == address(this), "Invalid refund"); address _receiver = transferIdAdrressMap[request.refid]; delete transferIdAdrressMap[request.refid]; require( _receiver != address(0), "Unknown transfer id or already refunded" ); IERC20(request.token).safeTransfer(_receiver, request.amount); } function decWithdrawMsg(bytes memory raw) internal pure returns (WithdrawMsg memory m) { Pb.Buffer memory buf = Pb.fromBytes(raw); uint256 tag; Pb.WireType wire; while (buf.hasMore()) { (tag, wire) = buf.decKey(); if (false) {} // solidity has no switch/case else if (tag == 1) { m.chainid = uint64(buf.decVarint()); } else if (tag == 2) { m.seqnum = uint64(buf.decVarint()); } else if (tag == 3) { m.receiver = Pb._address(buf.decBytes()); } else if (tag == 4) { m.token = Pb._address(buf.decBytes()); } else if (tag == 5) { m.amount = Pb._uint256(buf.decBytes()); } else if (tag == 6) { m.refid = Pb._bytes32(buf.decBytes()); } else { buf.skipValue(wire); } // skip value of unknown tag } } // end decoder WithdrawMsg }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @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 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); }
// 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 v4.4.1 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @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; 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() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.0; library MovrErrors { string internal constant ADDRESS_0_PROVIDED = "ADDRESS_0_PROVIDED"; string internal constant EMPTY_INPUT = "EMPTY_INPUT"; string internal constant LENGTH_MISMATCH = "LENGTH_MISMATCH"; string internal constant INVALID_VALUE = "INVALID_VALUE"; string internal constant INVALID_AMT = "INVALID_AMT"; string internal constant IMPL_NOT_FOUND = "IMPL_NOT_FOUND"; string internal constant ROUTE_NOT_FOUND = "ROUTE_NOT_FOUND"; string internal constant IMPL_NOT_ALLOWED = "IMPL_NOT_ALLOWED"; string internal constant ROUTE_NOT_ALLOWED = "ROUTE_NOT_ALLOWED"; string internal constant INVALID_CHAIN_DATA = "INVALID_CHAIN_DATA"; string internal constant CHAIN_NOT_SUPPORTED = "CHAIN_NOT_SUPPORTED"; string internal constant TOKEN_NOT_SUPPORTED = "TOKEN_NOT_SUPPORTED"; string internal constant NOT_IMPLEMENTED = "NOT_IMPLEMENTED"; string internal constant INVALID_SENDER = "INVALID_SENDER"; string internal constant INVALID_BRIDGE_ID = "INVALID_BRIDGE_ID"; string internal constant MIDDLEWARE_ACTION_FAILED = "MIDDLEWARE_ACTION_FAILED"; string internal constant VALUE_SHOULD_BE_ZERO = "VALUE_SHOULD_BE_ZERO"; string internal constant VALUE_SHOULD_NOT_BE_ZERO = "VALUE_SHOULD_NOT_BE_ZERO"; string internal constant VALUE_NOT_ENOUGH = "VALUE_NOT_ENOUGH"; string internal constant VALUE_NOT_EQUAL_TO_AMOUNT = "VALUE_NOT_EQUAL_TO_AMOUNT"; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import "./helpers/errors.sol"; /** @title Abstract Implementation Contract. @notice All Bridge Implementation will follow this interface. */ abstract contract ImplBase is Ownable { using SafeERC20 for IERC20; address public registry; address public constant NATIVE_TOKEN_ADDRESS = address(0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE); event UpdateRegistryAddress(address indexed registryAddress); constructor(address _registry) Ownable() { registry = _registry; } modifier onlyRegistry() { require(msg.sender == registry, MovrErrors.INVALID_SENDER); _; } function updateRegistryAddress(address newRegistry) external onlyOwner { registry = newRegistry; emit UpdateRegistryAddress(newRegistry); } function rescueFunds( address token, address userAddress, uint256 amount ) external onlyOwner { IERC20(token).safeTransfer(userAddress, amount); } function outboundTransferTo( uint256 _amount, address _from, address _receiverAddress, address _token, uint256 _toChainId, bytes memory _extraData ) external payable virtual; }
// SPDX-License-Identifier: Apache-2.0 pragma solidity >=0.8.0; interface ICBridge { function send( address _receiver, address _token, uint256 _amount, uint64 _dstChinId, uint64 _nonce, uint32 _maxSlippage ) external; function sendNative( address _receiver, uint256 _amount, uint64 _dstChinId, uint64 _nonce, uint32 _maxSlippage ) external payable; function withdraws(bytes32 withdrawId) external view returns (bool); function withdraw( bytes calldata _wdmsg, bytes[] calldata _sigs, address[] calldata _signers, uint256[] calldata _powers ) external; }
// SPDX-License-Identifier: GPL-3.0-only pragma solidity ^0.8.4; // runtime proto sol library library Pb { enum WireType { Varint, Fixed64, LengthDelim, StartGroup, EndGroup, Fixed32 } struct Buffer { uint256 idx; // the start index of next read. when idx=b.length, we're done bytes b; // hold serialized proto msg, readonly } // create a new in-memory Buffer object from raw msg bytes function fromBytes(bytes memory raw) internal pure returns (Buffer memory buf) { buf.b = raw; buf.idx = 0; } // whether there are unread bytes function hasMore(Buffer memory buf) internal pure returns (bool) { return buf.idx < buf.b.length; } // decode current field number and wiretype function decKey(Buffer memory buf) internal pure returns (uint256 tag, WireType wiretype) { uint256 v = decVarint(buf); tag = v / 8; wiretype = WireType(v & 7); } // count tag occurrences, return an array due to no memory map support // have to create array for (maxtag+1) size. cnts[tag] = occurrences // should keep buf.idx unchanged because this is only a count function function cntTags(Buffer memory buf, uint256 maxtag) internal pure returns (uint256[] memory cnts) { uint256 originalIdx = buf.idx; cnts = new uint256[](maxtag + 1); // protobuf's tags are from 1 rather than 0 uint256 tag; WireType wire; while (hasMore(buf)) { (tag, wire) = decKey(buf); cnts[tag] += 1; skipValue(buf, wire); } buf.idx = originalIdx; } // read varint from current buf idx, move buf.idx to next read, return the int value function decVarint(Buffer memory buf) internal pure returns (uint256 v) { bytes10 tmp; // proto int is at most 10 bytes (7 bits can be used per byte) bytes memory bb = buf.b; // get buf.b mem addr to use in assembly v = buf.idx; // use v to save one additional uint variable assembly { tmp := mload(add(add(bb, 32), v)) // load 10 bytes from buf.b[buf.idx] to tmp } uint256 b; // store current byte content v = 0; // reset to 0 for return value for (uint256 i = 0; i < 10; i++) { assembly { b := byte(i, tmp) // don't use tmp[i] because it does bound check and costs extra } v |= (b & 0x7F) << (i * 7); if (b & 0x80 == 0) { buf.idx += i + 1; return v; } } revert(); // i=10, invalid varint stream } // read length delimited field and return bytes function decBytes(Buffer memory buf) internal pure returns (bytes memory b) { uint256 len = decVarint(buf); uint256 end = buf.idx + len; require(end <= buf.b.length); // avoid overflow b = new bytes(len); bytes memory bufB = buf.b; // get buf.b mem addr to use in assembly uint256 bStart; uint256 bufBStart = buf.idx; assembly { bStart := add(b, 32) bufBStart := add(add(bufB, 32), bufBStart) } for (uint256 i = 0; i < len; i += 32) { assembly { mstore(add(bStart, i), mload(add(bufBStart, i))) } } buf.idx = end; } // return packed ints function decPacked(Buffer memory buf) internal pure returns (uint256[] memory t) { uint256 len = decVarint(buf); uint256 end = buf.idx + len; require(end <= buf.b.length); // avoid overflow // array in memory must be init w/ known length // so we have to create a tmp array w/ max possible len first uint256[] memory tmp = new uint256[](len); uint256 i = 0; // count how many ints are there while (buf.idx < end) { tmp[i] = decVarint(buf); i++; } t = new uint256[](i); // init t with correct length for (uint256 j = 0; j < i; j++) { t[j] = tmp[j]; } return t; } // move idx pass current value field, to beginning of next tag or msg end function skipValue(Buffer memory buf, WireType wire) internal pure { if (wire == WireType.Varint) { decVarint(buf); } else if (wire == WireType.LengthDelim) { uint256 len = decVarint(buf); buf.idx += len; // skip len bytes value data require(buf.idx <= buf.b.length); // avoid overflow } else { revert(); } // unsupported wiretype } // type conversion help utils function _bool(uint256 x) internal pure returns (bool v) { return x != 0; } function _uint256(bytes memory b) internal pure returns (uint256 v) { require(b.length <= 32); // b's length must be smaller than or equal to 32 assembly { v := mload(add(b, 32)) } // load all 32bytes to v v = v >> (8 * (32 - b.length)); // only first b.length is valid } function _address(bytes memory b) internal pure returns (address v) { v = _addressPayable(b); } function _addressPayable(bytes memory b) internal pure returns (address payable v) { require(b.length == 20); //load 32bytes then shift right 12 bytes assembly { v := div(mload(add(b, 32)), 0x1000000000000000000000000) } } function _bytes32(bytes memory b) internal pure returns (bytes32 v) { require(b.length == 32); assembly { v := mload(add(b, 32)) } } // uint[] to uint8[] function uint8s(uint256[] memory arr) internal pure returns (uint8[] memory t) { t = new uint8[](arr.length); for (uint256 i = 0; i < t.length; i++) { t[i] = uint8(arr[i]); } } function uint32s(uint256[] memory arr) internal pure returns (uint32[] memory t) { t = new uint32[](arr.length); for (uint256 i = 0; i < t.length; i++) { t[i] = uint32(arr[i]); } } function uint64s(uint256[] memory arr) internal pure returns (uint64[] memory t) { t = new uint64[](arr.length); for (uint256 i = 0; i < t.length; i++) { t[i] = uint64(arr[i]); } } function bools(uint256[] memory arr) internal pure returns (bool[] memory t) { t = new bool[](arr.length); for (uint256 i = 0; i < t.length; i++) { t[i] = arr[i] != 0; } } }
// 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: MIT // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; import "../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. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @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; } }
{ "metadata": { "bytecodeHash": "none", "useLiteralContent": true }, "optimizer": { "enabled": true, "runs": 800 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"contract ICBridge","name":"_router","type":"address"},{"internalType":"address","name":"_registry","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"registryAddress","type":"address"}],"name":"UpdateRegistryAddress","type":"event"},{"inputs":[],"name":"NATIVE_TOKEN_ADDRESS","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"chainId","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_receiverAddress","type":"address"},{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_toChainId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"outboundTransferTo","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"_request","type":"bytes"},{"internalType":"bytes[]","name":"_sigs","type":"bytes[]"},{"internalType":"address[]","name":"_signers","type":"address[]"},{"internalType":"uint256[]","name":"_powers","type":"uint256[]"}],"name":"refundCelerUser","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"registry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"userAddress","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"rescueFunds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"router","outputs":[{"internalType":"contract ICBridge","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"transferIdAdrressMap","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newRegistry","type":"address"}],"name":"updateRegistryAddress","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000005427fefa711eff984124bfbb1ab6fbf5e3da1820000000000000000000000000c30141b657f4216252dc59af2e7cdb9d8792e1b0
-----Decoded View---------------
Arg [0] : _router (address): 0x5427FEFA711Eff984124bFBB1AB6fbf5E3DA1820
Arg [1] : _registry (address): 0xc30141B657f4216252dc59Af2e7CdB9D8792e1B0
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000005427fefa711eff984124bfbb1ab6fbf5e3da1820
Arg [1] : 000000000000000000000000c30141b657f4216252dc59af2e7cdb9d8792e1b0
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Multichain Portfolio | 27 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.