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// SPDX-FileCopyrightText: 2024 Lido <[email protected]>
// SPDX-License-Identifier: GPL-3.0

pragma solidity 0.8.19;

import {ILido} from "./ILido.sol";

contract UnlimitedStake {
    event SetAllowed(address indexed account, bool allowed);
    event UnlimitedSubmit(address indexed account, uint256 shares);

    error ZeroAddress(string field);
    error NotAllowed(address account);
    error StakingIsPaused();

    address public immutable OWNER;
    address public immutable LIDO;

    mapping(address => bool) public allowedList;

    constructor(address _lido, address _owner, address[] memory _allowedList) {
        if (_owner == address(0)) revert ZeroAddress("_owner");
        OWNER = _owner;

        if (_lido == address(0)) revert ZeroAddress("_lido");
        LIDO = _lido;

        for (uint256 i = 0; i < _allowedList.length; ++i) {
            if (_allowedList[i] == address(0)) {
                revert ZeroAddress("_allowedList");
            }

            allowedList[_allowedList[i]] = true;
        }

        allowedList[_owner] = true;
    }

    modifier onlyOwner() {
        if (msg.sender != OWNER) revert NotAllowed(msg.sender);
        _;
    }

    modifier onlyAllowed() {
        if (!allowedList[msg.sender]) revert NotAllowed(msg.sender);
        _;
    }

    function setAllowed(address _account, bool _allowed) external onlyOwner {
        if (_account == address(0)) revert ZeroAddress("_account");
        emit SetAllowed(_account, _allowed);
        allowedList[_account] = _allowed;
    }

    function unlimitedSubmit(address _referral) external payable onlyAllowed returns (uint256) {
        bool isStakingPaused;
        bool isStakingLimitSet;
        uint256 maxStakeLimit;
        uint256 maxStakeLimitGrowthBlocks;

        (isStakingPaused, isStakingLimitSet, , maxStakeLimit, maxStakeLimitGrowthBlocks, , ) = ILido(LIDO)
            .getStakeLimitFullInfo();

        if (isStakingPaused) {
            revert StakingIsPaused();
        }

        if (!isStakingLimitSet) {
            return ILido(LIDO).submit{value: msg.value}(_referral);
        }

        ILido(LIDO).removeStakingLimit();
        uint256 shares = ILido(LIDO).submit{value: msg.value}(_referral);
        ILido(LIDO).transferShares(msg.sender, shares);

        uint256 stakeLimitIncreasePerBlock = maxStakeLimit / maxStakeLimitGrowthBlocks;

        ILido(LIDO).setStakingLimit(maxStakeLimit, stakeLimitIncreasePerBlock);

        emit UnlimitedSubmit(msg.sender, shares);

        return shares;
    }
}

// SPDX-FileCopyrightText: 2024 Lido <[email protected]>
// SPDX-License-Identifier: GPL-3.0

pragma solidity 0.8.19;

interface ILido {
    function submit(address _referral) external payable returns (uint256);
    function sharesOf(address _account) external view returns (uint256);
    function transferShares(address _recipient, uint256 _sharesAmount) external returns (uint256);
    function getBufferedEther() external view returns (uint256);
    function STAKING_CONTROL_ROLE() external view returns (bytes32);
    function removeStakingLimit() external;
    function setStakingLimit(uint256 _maxStakeLimit, uint256 _stakeLimitIncreasePerBlock) external;
    function getStakeLimitFullInfo()
        external
        view
        returns (
            bool isStakingPaused,
            bool isStakingLimitSet,
            uint256 currentStakeLimit,
            uint256 maxStakeLimit,
            uint256 maxStakeLimitGrowthBlocks,
            uint256 prevStakeLimit,
            uint256 prevStakeBlockNumber
        );
}

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

[{"inputs":[{"internalType":"address","name":"_lido","type":"address"},{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address[]","name":"_allowedList","type":"address[]"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"NotAllowed","type":"error"},{"inputs":[],"name":"StakingIsPaused","type":"error"},{"inputs":[{"internalType":"string","name":"field","type":"string"}],"name":"ZeroAddress","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"bool","name":"allowed","type":"bool"}],"name":"SetAllowed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"shares","type":"uint256"}],"name":"UnlimitedSubmit","type":"event"},{"inputs":[],"name":"LIDO","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"OWNER","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"allowedList","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"},{"internalType":"bool","name":"_allowed","type":"bool"}],"name":"setAllowed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_referral","type":"address"}],"name":"unlimitedSubmit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"}]

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0000000000000000000000003f1c547b21f65e10480de3ad8e19faac46c95034000000000000000000000000da6bee5441f2e6b364f3b25e85d5f3c29bfb669e0000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000100000000000000000000000066b25cfe6b9f0e61bd80c4847225baf4ee6ba0a2

-----Decoded View---------------
Arg [0] : _lido (address): 0x3F1c547b21f65e10480dE3ad8E19fAAC46C95034
Arg [1] : _owner (address): 0xDA6bEE5441f2e6b364F3b25E85d5f3C29Bfb669E
Arg [2] : _allowedList (address[]): 0x66b25CFe6B9F0e61Bd80c4847225Baf4EE6Ba0A2

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 0000000000000000000000003f1c547b21f65e10480de3ad8e19faac46c95034
Arg [1] : 000000000000000000000000da6bee5441f2e6b364f3b25e85d5f3c29bfb669e
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [4] : 00000000000000000000000066b25cfe6b9f0e61bd80c4847225baf4ee6ba0a2