Contract Name:
ProjectEnvisionProxy
Contract Source Code:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
import { IERC173Internal } from '../../interfaces/IERC173Internal.sol';
interface IOwnableInternal is IERC173Internal {
error Ownable__NotOwner();
error Ownable__NotTransitiveOwner();
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
import { IERC173 } from '../../interfaces/IERC173.sol';
import { AddressUtils } from '../../utils/AddressUtils.sol';
import { IOwnableInternal } from './IOwnableInternal.sol';
import { OwnableStorage } from './OwnableStorage.sol';
abstract contract OwnableInternal is IOwnableInternal {
using AddressUtils for address;
modifier onlyOwner() {
if (msg.sender != _owner()) revert Ownable__NotOwner();
_;
}
modifier onlyTransitiveOwner() {
if (msg.sender != _transitiveOwner())
revert Ownable__NotTransitiveOwner();
_;
}
function _owner() internal view virtual returns (address) {
return OwnableStorage.layout().owner;
}
function _transitiveOwner() internal view virtual returns (address owner) {
owner = _owner();
while (owner.isContract()) {
try IERC173(owner).owner() returns (address transitiveOwner) {
owner = transitiveOwner;
} catch {
break;
}
}
}
function _transferOwnership(address account) internal virtual {
_setOwner(account);
}
function _setOwner(address account) internal virtual {
OwnableStorage.Layout storage l = OwnableStorage.layout();
emit OwnershipTransferred(l.owner, account);
l.owner = account;
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
library OwnableStorage {
struct Layout {
address owner;
}
bytes32 internal constant STORAGE_SLOT =
keccak256('solidstate.contracts.storage.Ownable');
function layout() internal pure returns (Layout storage l) {
bytes32 slot = STORAGE_SLOT;
assembly {
l.slot := slot
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
import { IERC173Internal } from './IERC173Internal.sol';
/**
* @title Contract ownership standard interface
* @dev see https://eips.ethereum.org/EIPS/eip-173
*/
interface IERC173 is IERC173Internal {
/**
* @notice get the ERC173 contract owner
* @return contract owner
*/
function owner() external view returns (address);
/**
* @notice transfer contract ownership to new account
* @param account address of new owner
*/
function transferOwnership(address account) external;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
/**
* @title Partial ERC173 interface needed by internal functions
*/
interface IERC173Internal {
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
interface IProxy {
error Proxy__ImplementationIsNotContract();
fallback() external payable;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
import { AddressUtils } from '../utils/AddressUtils.sol';
import { IProxy } from './IProxy.sol';
/**
* @title Base proxy contract
*/
abstract contract Proxy is IProxy {
using AddressUtils for address;
/**
* @notice delegate all calls to implementation contract
* @dev reverts if implementation address contains no code, for compatibility with metamorphic contracts
* @dev memory location in use by assembly may be unsafe in other contexts
*/
fallback() external payable virtual {
address implementation = _getImplementation();
if (!implementation.isContract())
revert Proxy__ImplementationIsNotContract();
assembly {
calldatacopy(0, 0, calldatasize())
let result := delegatecall(
gas(),
implementation,
0,
calldatasize(),
0,
0
)
returndatacopy(0, 0, returndatasize())
switch result
case 0 {
revert(0, returndatasize())
}
default {
return(0, returndatasize())
}
}
}
/**
* @notice get logic implementation address
* @return implementation address
*/
function _getImplementation() internal virtual returns (address);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
import { IProxy } from '../IProxy.sol';
interface IUpgradeableProxy is IProxy {}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
import { IUpgradeableProxy } from './IUpgradeableProxy.sol';
interface IUpgradeableProxyOwnable is IUpgradeableProxy {
/**
* TODO: add to IUpgradeableProxy or remove from here
*/
function setImplementation(address implementation) external;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
import { Proxy } from '../Proxy.sol';
import { IUpgradeableProxy } from './IUpgradeableProxy.sol';
import { UpgradeableProxyStorage } from './UpgradeableProxyStorage.sol';
/**
* @title Proxy with upgradeable implementation
*/
abstract contract UpgradeableProxy is IUpgradeableProxy, Proxy {
/**
* @inheritdoc Proxy
*/
function _getImplementation() internal view override returns (address) {
// inline storage layout retrieval uses less gas
UpgradeableProxyStorage.Layout storage l;
bytes32 slot = UpgradeableProxyStorage.STORAGE_SLOT;
assembly {
l.slot := slot
}
return l.implementation;
}
/**
* @notice set logic implementation address
* @param implementation implementation address
*/
function _setImplementation(address implementation) internal {
UpgradeableProxyStorage.layout().implementation = implementation;
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
import { OwnableInternal } from '../../access/ownable/OwnableInternal.sol';
import { IUpgradeableProxyOwnable } from './IUpgradeableProxyOwnable.sol';
import { UpgradeableProxy } from './UpgradeableProxy.sol';
/**
* @title Proxy with upgradeable implementation controlled by ERC171 owner
*/
abstract contract UpgradeableProxyOwnable is
IUpgradeableProxyOwnable,
UpgradeableProxy,
OwnableInternal
{
/**
* @notice set logic implementation address
* @param implementation implementation address
*/
function setImplementation(address implementation) external onlyOwner {
_setImplementation(implementation);
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
library UpgradeableProxyStorage {
struct Layout {
address implementation;
}
bytes32 internal constant STORAGE_SLOT =
keccak256('solidstate.contracts.storage.UpgradeableProxy');
function layout() internal pure returns (Layout storage l) {
bytes32 slot = STORAGE_SLOT;
assembly {
l.slot := slot
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
import { UintUtils } from './UintUtils.sol';
library AddressUtils {
using UintUtils for uint256;
error AddressUtils__InsufficientBalance();
error AddressUtils__NotContract();
error AddressUtils__SendValueFailed();
function toString(address account) internal pure returns (string memory) {
return uint256(uint160(account)).toHexString(20);
}
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
function sendValue(address payable account, uint256 amount) internal {
(bool success, ) = account.call{ value: amount }('');
if (!success) revert AddressUtils__SendValueFailed();
}
function functionCall(
address target,
bytes memory data
) internal returns (bytes memory) {
return
functionCall(target, data, 'AddressUtils: failed low-level call');
}
function functionCall(
address target,
bytes memory data,
string memory error
) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, error);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return
functionCallWithValue(
target,
data,
value,
'AddressUtils: failed low-level call with value'
);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory error
) internal returns (bytes memory) {
if (value > address(this).balance)
revert AddressUtils__InsufficientBalance();
return _functionCallWithValue(target, data, value, error);
}
/**
* @notice execute arbitrary external call with limited gas usage and amount of copied return data
* @dev derived from https://github.com/nomad-xyz/ExcessivelySafeCall (MIT License)
* @param target recipient of call
* @param gasAmount gas allowance for call
* @param value native token value to include in call
* @param maxCopy maximum number of bytes to copy from return data
* @param data encoded call data
* @return success whether call is successful
* @return returnData copied return data
*/
function excessivelySafeCall(
address target,
uint256 gasAmount,
uint256 value,
uint16 maxCopy,
bytes memory data
) internal returns (bool success, bytes memory returnData) {
returnData = new bytes(maxCopy);
assembly {
// execute external call via assembly to avoid automatic copying of return data
success := call(
gasAmount,
target,
value,
add(data, 0x20),
mload(data),
0,
0
)
// determine whether to limit amount of data to copy
let toCopy := returndatasize()
if gt(toCopy, maxCopy) {
toCopy := maxCopy
}
// store the length of the copied bytes
mstore(returnData, toCopy)
// copy the bytes from returndata[0:toCopy]
returndatacopy(add(returnData, 0x20), 0, toCopy)
}
}
function _functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory error
) private returns (bytes memory) {
if (!isContract(target)) revert AddressUtils__NotContract();
(bool success, bytes memory returnData) = target.call{ value: value }(
data
);
if (success) {
return returnData;
} else if (returnData.length > 0) {
assembly {
let returnData_size := mload(returnData)
revert(add(32, returnData), returnData_size)
}
} else {
revert(error);
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
/**
* @title utility functions for uint256 operations
* @dev derived from https://github.com/OpenZeppelin/openzeppelin-contracts/ (MIT license)
*/
library UintUtils {
error UintUtils__InsufficientHexLength();
bytes16 private constant HEX_SYMBOLS = '0123456789abcdef';
function add(uint256 a, int256 b) internal pure returns (uint256) {
return b < 0 ? sub(a, -b) : a + uint256(b);
}
function sub(uint256 a, int256 b) internal pure returns (uint256) {
return b < 0 ? add(a, -b) : a - uint256(b);
}
function toString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return '0';
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return '0x00';
}
uint256 length = 0;
for (uint256 temp = value; temp != 0; temp >>= 8) {
unchecked {
length++;
}
}
return toHexString(value, length);
}
function toHexString(
uint256 value,
uint256 length
) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = '0';
buffer[1] = 'x';
unchecked {
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
}
if (value != 0) revert UintUtils__InsufficientHexLength();
return string(buffer);
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;
import {UpgradeableProxyOwnable} from "@solidstate-solidity/proxy/upgradeable/UpgradeableProxyOwnable.sol";
import {OwnableStorage} from "@solidstate-solidity/access/ownable/OwnableStorage.sol";
contract ProjectEnvisionProxy is UpgradeableProxyOwnable {
constructor(address implementation) {
_setImplementation(implementation);
OwnableStorage.layout().owner = msg.sender;
}
/**
* @dev suppress compiler warning
*/
receive() external payable {}
}