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pragma solidity ^0.5.0;
import "./Ownable.sol";
import "./Upgradeable.sol";
import "./UpgradeableMaster.sol";
/// @title Proxy Contract
/// @dev NOTICE: Proxy must implement UpgradeableMaster interface to prevent calling some function of it not by master of proxy
/// @author Matter Labs
contract Proxy is Upgradeable, UpgradeableMaster, Ownable {
    /// @notice Storage position of "target" (actual implementation address: keccak256('eip1967.proxy.implementation') - 1)
    bytes32 private constant targetPosition = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
    /// @notice Contract constructor
    /// @dev Calls Ownable contract constructor and initialize target
    /// @param target Initial implementation address
    /// @param targetInitializationParameters Target initialization parameters
    constructor(address target, bytes memory targetInitializationParameters) Ownable(msg.sender) public {
        setTarget(target);
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pragma solidity ^0.7.0;
pragma experimental ABIEncoderV2;
// SPDX-License-Identifier: MIT OR Apache-2.0
import "./ReentrancyGuard.sol";
import "./SafeMath.sol";
import "./SafeMathUInt128.sol";
import "./SafeCast.sol";
import "./Utils.sol";
import "./Storage.sol";
import "./Config.sol";
import "./Events.sol";
import "./Bytes.sol";
import "./Operations.sol";
import "./UpgradeableMaster.sol";
import "./AdditionalZkSync.sol";
/// @title zkSync main contract
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