Address Contract Verified
Address
0x99Be07778Acd2e8118486eeb6281366EAF52977a
Balance
0 ETH
Nonce
11
Code Size
1380 bytes
Creator
0x6de42745...cB8d at tx 0xa6594f8a...b17111
Indexed Transactions
0 (11 on-chain, 0% indexed)
Contract Bytecode
1380 bytes
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
Verified Source Code Full Match
Compiler: v0.8.24+commit.e11b9ed9
EVM: paris
Optimization: Yes (200 runs)
Ownable.sol 100 lines
// 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);
}
}
Context.sol 28 lines
// 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;
}
}
Create2.sol 96 lines
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Create2.sol)
pragma solidity ^0.8.20;
/**
* @dev Helper to make usage of the `CREATE2` EVM opcode easier and safer.
* `CREATE2` can be used to compute in advance the address where a smart
* contract will be deployed, which allows for interesting new mechanisms known
* as 'counterfactual interactions'.
*
* See the https://eips.ethereum.org/EIPS/eip-1014#motivation[EIP] for more
* information.
*/
library Create2 {
/**
* @dev Not enough balance for performing a CREATE2 deploy.
*/
error Create2InsufficientBalance(uint256 balance, uint256 needed);
/**
* @dev There's no code to deploy.
*/
error Create2EmptyBytecode();
/**
* @dev The deployment failed.
*/
error Create2FailedDeployment();
/**
* @dev Deploys a contract using `CREATE2`. The address where the contract
* will be deployed can be known in advance via {computeAddress}.
*
* The bytecode for a contract can be obtained from Solidity with
* `type(contractName).creationCode`.
*
* Requirements:
*
* - `bytecode` must not be empty.
* - `salt` must have not been used for `bytecode` already.
* - the factory must have a balance of at least `amount`.
* - if `amount` is non-zero, `bytecode` must have a `payable` constructor.
*/
function deploy(uint256 amount, bytes32 salt, bytes memory bytecode) internal returns (address addr) {
if (address(this).balance < amount) {
revert Create2InsufficientBalance(address(this).balance, amount);
}
if (bytecode.length == 0) {
revert Create2EmptyBytecode();
}
/// @solidity memory-safe-assembly
assembly {
addr := create2(amount, add(bytecode, 0x20), mload(bytecode), salt)
}
if (addr == address(0)) {
revert Create2FailedDeployment();
}
}
/**
* @dev Returns the address where a contract will be stored if deployed via {deploy}. Any change in the
* `bytecodeHash` or `salt` will result in a new destination address.
*/
function computeAddress(bytes32 salt, bytes32 bytecodeHash) internal view returns (address) {
return computeAddress(salt, bytecodeHash, address(this));
}
/**
* @dev Returns the address where a contract will be stored if deployed via {deploy} from a contract located at
* `deployer`. If `deployer` is this contract's address, returns the same value as {computeAddress}.
*/
function computeAddress(bytes32 salt, bytes32 bytecodeHash, address deployer) internal pure returns (address addr) {
/// @solidity memory-safe-assembly
assembly {
let ptr := mload(0x40) // Get free memory pointer
// | | ↓ ptr ... ↓ ptr + 0x0B (start) ... ↓ ptr + 0x20 ... ↓ ptr + 0x40 ... |
// |-------------------|---------------------------------------------------------------------------|
// | bytecodeHash | CCCCCCCCCCCCC...CC |
// | salt | BBBBBBBBBBBBB...BB |
// | deployer | 000000...0000AAAAAAAAAAAAAAAAAAA...AA |
// | 0xFF | FF |
// |-------------------|---------------------------------------------------------------------------|
// | memory | 000000...00FFAAAAAAAAAAAAAAAAAAA...AABBBBBBBBBBBBB...BBCCCCCCCCCCCCC...CC |
// | keccak(start, 85) | ↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑ |
mstore(add(ptr, 0x40), bytecodeHash)
mstore(add(ptr, 0x20), salt)
mstore(ptr, deployer) // Right-aligned with 12 preceding garbage bytes
let start := add(ptr, 0x0b) // The hashed data starts at the final garbage byte which we will set to 0xff
mstore8(start, 0xff)
addr := keccak256(start, 85)
}
}
}
MinimalProxyFactory.sol 64 lines
// SPDX-License-Identifier: BSD-3-Clause
pragma solidity ^0.8.20;
import {Create2} from "@openzeppelin/contracts/utils/Create2.sol";
import {Context} from "@openzeppelin/contracts/utils/Context.sol";
import {Storage} from "../storage/Storage.sol";
contract MinimalProxyFactory is Context {
address public info;
event MinimalProxyCreated(address minimalProxy);
error ProxyInitializationFailed();
error Forbidden();
constructor(address _info) {
info = _info;
}
function _getContractCreationCode(address logic) internal pure returns (bytes memory) {
bytes10 creation = 0x3d602d80600a3d3981f3;
bytes10 prefix = 0x363d3d373d3d3d363d73;
bytes20 targetBytes = bytes20(logic);
bytes15 suffix = 0x5af43d82803e903d91602b57fd5bf3;
return abi.encodePacked(creation, prefix, targetBytes, suffix);
}
/**
* @notice Calculates proxy contract address for salt.
* @param salt CREATE2 opcode salt.
* @param implementation Proxy implementation contract address.
* @return Proxy contract address.
*/
function computeAddress(bytes32 salt, address implementation) external view returns (address) {
return Create2.computeAddress(salt, keccak256(_getContractCreationCode(implementation)), address(this));
}
/**
* @notice Deploy and initialize minimal proxy contract for salt.
* @param salt CREATE2 opcode salt.
* @param implementation Proxy implementation contract address.
* @param data Initialize method data.
* @return Proxy contract address.
*/
function deploy(bytes32 salt, address implementation, bytes memory data) external returns (address) {
bool isCallAllowed = Storage(info).getBool(
keccak256(abi.encodePacked("EH:MinimalProxyFactory:Deployer:", _msgSender()))
);
if (!isCallAllowed) revert Forbidden();
address minimalProxy = Create2.deploy(0, salt, _getContractCreationCode(implementation));
if (data.length > 0) {
// solhint-disable-next-line avoid-low-level-calls
(bool success, ) = minimalProxy.call(data);
if (!success) revert ProxyInitializationFailed();
}
emit MinimalProxyCreated(minimalProxy);
return minimalProxy;
}
}
Storage.sol 172 lines
// SPDX-License-Identifier: BSD-3-Clause
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/access/Ownable.sol";
contract Storage is Ownable {
/// @dev Bytes storage.
mapping(bytes32 => bytes) private _bytes;
/// @dev Bool storage.
mapping(bytes32 => bool) private _bool;
/// @dev Uint storage.
mapping(bytes32 => uint256) private _uint;
/// @dev Int storage.
mapping(bytes32 => int256) private _int;
/// @dev Address storage.
mapping(bytes32 => address) private _address;
/// @dev String storage.
mapping(bytes32 => string) private _string;
event Updated(bytes32 indexed key);
constructor() Ownable(_msgSender()) {}
/**
* @param key The key for the record
*/
function getBytes(bytes32 key) external view returns (bytes memory) {
return _bytes[key];
}
/**
* @param key The key for the record
*/
function getBool(bytes32 key) external view returns (bool) {
return _bool[key];
}
/**
* @param key The key for the record
*/
function getUint(bytes32 key) external view returns (uint256) {
return _uint[key];
}
/**
* @param key The key for the record
*/
function getInt(bytes32 key) external view returns (int256) {
return _int[key];
}
/**
* @param key The key for the record
*/
function getAddress(bytes32 key) external view returns (address) {
return _address[key];
}
/**
* @param key The key for the record
*/
function getString(bytes32 key) external view returns (string memory) {
return _string[key];
}
/**
* @param key The key for the record
* @param value The value to set.
*/
function setBytes(bytes32 key, bytes calldata value) external onlyOwner {
_bytes[key] = value;
emit Updated(key);
}
/**
* @param key The key for the record
* @param value The value to set.
*/
function setBool(bytes32 key, bool value) external onlyOwner {
_bool[key] = value;
emit Updated(key);
}
/**
* @param key The key for the record
* @param value The value to set.
*/
function setUint(bytes32 key, uint256 value) external onlyOwner {
_uint[key] = value;
emit Updated(key);
}
/**
* @param key The key for the record
* @param value The value to set.
*/
function setInt(bytes32 key, int256 value) external onlyOwner {
_int[key] = value;
emit Updated(key);
}
/**
* @param key The key for the record
* @param value The value to set.
*/
function setAddress(bytes32 key, address value) external onlyOwner {
_address[key] = value;
emit Updated(key);
}
/**
* @param key The key for the record
* @param value The value to set.
*/
function setString(bytes32 key, string calldata value) external onlyOwner {
_string[key] = value;
emit Updated(key);
}
/**
* @param key The key for the record
*/
function deleteBytes(bytes32 key) external onlyOwner {
delete _bytes[key];
emit Updated(key);
}
/**
* @param key The key for the record
*/
function deleteBool(bytes32 key) external onlyOwner {
delete _bool[key];
emit Updated(key);
}
/**
* @param key The key for the record
*/
function deleteUint(bytes32 key) external onlyOwner {
delete _uint[key];
emit Updated(key);
}
/**
* @param key The key for the record
*/
function deleteInt(bytes32 key) external onlyOwner {
delete _int[key];
emit Updated(key);
}
/**
* @param key The key for the record
*/
function deleteAddress(bytes32 key) external onlyOwner {
delete _address[key];
emit Updated(key);
}
/**
* @param key The key for the record
*/
function deleteString(bytes32 key) external onlyOwner {
delete _string[key];
emit Updated(key);
}
}
Read Contract
computeAddress 0x2f1f618d → address
info 0x370158ea → address
Write Contract 1 functions
These functions modify contract state and require a wallet transaction to execute.
deploy 0x2781212e
bytes32 salt
address implementation
bytes data
returns: address
Recent Transactions
This address has 11 on-chain transactions, but only 0% of the chain is indexed. Transactions will appear as indexing progresses. View on Etherscan →