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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

import "../base/UpgradeableProxy.sol";
import "../../interfaces/IControllable.sol";
import "../../interfaces/IProxy.sol";

/// @title Proxy for Stability Platform core contracts.
/// @dev ERC-1967: Proxy Storage Slots used.
/// @author JodsMigel (https://github.com/JodsMigel)
contract Proxy is UpgradeableProxy, IProxy {
    /// @inheritdoc IProxy
    function initProxy(address logic_) external override {
        _init(logic_);
    }

    /// @inheritdoc IProxy
    //slither-disable-next-line naming-convention
    function upgrade(address _newImplementation) external override {
        if (IControllable(address(this)).platform() != msg.sender) {
            revert IControllable.NotPlatform();
        }
        _upgradeTo(_newImplementation);
        // the new contract must have the same ABI and you must have the power to change it again
        if (IControllable(address(this)).platform() != msg.sender) {
            revert IControllable.NotPlatform();
        }
    }

    /// @inheritdoc IProxy
    function implementation() external view override returns (address) {
        return _implementation();
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

/// @title Simple ERC-1967 upgradeable proxy implementation
abstract contract UpgradeableProxy {
    error ImplementationIsNotContract();

    /// @dev This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
    bytes32 private constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /// @dev Emitted when the implementation is upgraded.
    event Upgraded(address indexed implementation);

    constructor() {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint(keccak256("eip1967.proxy.implementation")) - 1));
    }

    /// @dev Post deploy initialisation for compatability with EIP-1167 factory
    function _init(address _logic) internal {
        // nosemgrep
        require(_implementation() == address(0), "Already inited");
        _setImplementation(_logic);
    }

    /// @dev Returns the current implementation address.
    function _implementation() internal view virtual returns (address impl) {
        bytes32 slot = _IMPLEMENTATION_SLOT;
        // solhint-disable-next-line no-inline-assembly
        //slither-disable-next-line assembly
        assembly {
            impl := sload(slot)
        }
    }

    /// @dev Upgrades the proxy to a new implementation.
    function _upgradeTo(address newImplementation) internal virtual {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /// @dev Stores a new address in the EIP1967 implementation slot.
    function _setImplementation(address newImplementation) private {
        if (newImplementation.code.length == 0) revert ImplementationIsNotContract();
        bytes32 slot = _IMPLEMENTATION_SLOT;
        // solhint-disable-next-line no-inline-assembly
        //slither-disable-next-line assembly
        assembly {
            sstore(slot, newImplementation)
        }
    }

    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        //slither-disable-next-line assembly
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 { revert(0, returndatasize()) }
            default { return(0, returndatasize()) }
        }
    }

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _delegate(_implementation());
    }

    /// @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
    /// function in the contract matches the call data.
    //slither-disable-next-line locked-ether
    fallback() external payable virtual {
        _fallback();
    }

    /// @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
    /// is empty.
    //slither-disable-next-line locked-ether
    receive() external payable virtual {
        _fallback();
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

/// @dev Base core interface implemented by most platform contracts.
///      Inherited contracts store an immutable Platform proxy address in the storage,
///      which provides authorization capabilities and infrastructure contract addresses.
/// @author Alien Deployer (https://github.com/a17)
/// @author JodsMigel (https://github.com/JodsMigel)
interface IControllable {
    //region ----- Custom Errors -----
    error IncorrectZeroArgument();
    error IncorrectMsgSender();
    error NotGovernance();
    error NotMultisig();
    error NotGovernanceAndNotMultisig();
    error NotOperator();
    error NotFactory();
    error NotPlatform();
    error NotVault();
    error IncorrectArrayLength();
    error AlreadyExist();
    error NotExist();
    error NotTheOwner();
    error ETHTransferFailed();
    error IncorrectInitParams();
    //endregion -- Custom Errors -----

    event ContractInitialized(address platform, uint ts, uint block);

    /// @notice Stability Platform main contract address
    function platform() external view returns (address);

    /// @notice Version of contract implementation
    /// @dev SemVer scheme MAJOR.MINOR.PATCH
    //slither-disable-next-line naming-convention
    function VERSION() external view returns (string memory);

    /// @notice Block number when contract was initialized
    function createdBlock() external view returns (uint);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

/// @dev Proxy of core contract implementation
interface IProxy {
    /// @dev Initialize proxy logic. Need to call after deploy new proxy.
    /// @param logic Address of core contract implementation
    function initProxy(address logic) external;

    /// @notice Upgrade proxy implementation (contract logic).
    /// @dev Upgrade execution allowed only for Platform contract.
    /// An upgrade of any core contract proxy is always part of a platform time locked upgrade,
    /// with a change in the platform version.
    /// @param newImplementation New implementation address
    function upgrade(address newImplementation) external;

    /// @notice Return current logic implementation
    /// @return Address of implementation contract
    function implementation() external view returns (address);
}

{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@solady/=lib/solady/src/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "solady/=lib/solady/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "shanghai",
  "viaIR": false,
  "libraries": {}
}

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[{"inputs":[],"name":"ImplementationIsNotContract","type":"error"},{"inputs":[],"name":"NotPlatform","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"logic_","type":"address"}],"name":"initProxy","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newImplementation","type":"address"}],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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