Description:
Multi-signature wallet contract requiring multiple confirmations for transaction execution.
Blockchain: Ethereum
Source Code: View Code On The Blockchain
Solidity Source Code:
{{
"language": "Solidity",
"sources": {
"@openzeppelin/contracts/access/Ownable.sol": {
"content": "// 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);
}
}
"
},
"@openzeppelin/contracts/utils/Context.sol": {
"content": "// 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;
}
}
"
},
"contracts/storage/Storage.sol": {
"content": "// 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);
}
}
"
}
},
"settings": {
"optimizer": {
"enabled": true,
"runs": 200
},
"evmVersion": "paris",
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
}
}
}}
Submitted on: 2025-09-17 19:24:04
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