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// SPDX-FileCopyrightText: 2023 Lido <[email protected]>
// SPDX-License-Identifier: GPL-3.0

/* See contracts/COMPILERS.md */
pragma solidity 0.8.9;

import {ECDSA} from "../common/lib/ECDSA.sol";

interface ILido {
    function deposit(
        uint256 _maxDepositsCount,
        uint256 _stakingModuleId,
        bytes calldata _depositCalldata
    ) external;
    function canDeposit() external view returns (bool);
}

interface IDepositContract {
    function get_deposit_root() external view returns (bytes32 rootHash);
}

interface IStakingRouter {
    function pauseStakingModule(uint256 _stakingModuleId) external;
    function resumeStakingModule(uint256 _stakingModuleId) external;
    function getStakingModuleIsDepositsPaused(uint256 _stakingModuleId) external view returns (bool);
    function getStakingModuleIsActive(uint256 _stakingModuleId) external view returns (bool);
    function getStakingModuleNonce(uint256 _stakingModuleId) external view returns (uint256);
    function getStakingModuleLastDepositBlock(uint256 _stakingModuleId) external view returns (uint256);
    function hasStakingModule(uint256 _stakingModuleId) external view returns (bool);
}



contract DepositSecurityModule {
    /**
     * Short ECDSA signature as defined in https://eips.ethereum.org/EIPS/eip-2098.
     */
    struct Signature {
        bytes32 r;
        bytes32 vs;
    }

    event OwnerChanged(address newValue);
    event PauseIntentValidityPeriodBlocksChanged(uint256 newValue);
    event MaxDepositsChanged(uint256 newValue);
    event MinDepositBlockDistanceChanged(uint256 newValue);
    event GuardianQuorumChanged(uint256 newValue);
    event GuardianAdded(address guardian);
    event GuardianRemoved(address guardian);
    event DepositsPaused(address indexed guardian, uint24 indexed stakingModuleId);
    event DepositsUnpaused(uint24 indexed stakingModuleId);

    error ZeroAddress(string field);
    error DuplicateAddress(address addr);
    error NotAnOwner(address caller);
    error InvalidSignature();
    error SignaturesNotSorted();
    error DepositNoQuorum();
    error DepositRootChanged();
    error DepositInactiveModule();
    error DepositTooFrequent();
    error DepositUnexpectedBlockHash();
    error DepositNonceChanged();
    error PauseIntentExpired();
    error NotAGuardian(address addr);
    error ZeroParameter(string parameter);

    bytes32 public immutable ATTEST_MESSAGE_PREFIX;
    bytes32 public immutable PAUSE_MESSAGE_PREFIX;

    ILido public immutable LIDO;
    IStakingRouter public immutable STAKING_ROUTER;
    IDepositContract public immutable DEPOSIT_CONTRACT;

    /**
     * NB: both `maxDepositsPerBlock` and `minDepositBlockDistance` values
     * must be harmonized with `OracleReportSanityChecker.churnValidatorsPerDayLimit`
     * (see docs for the `OracleReportSanityChecker.setChurnValidatorsPerDayLimit` function)
     */
    uint256 internal maxDepositsPerBlock;
    uint256 internal minDepositBlockDistance;
    uint256 internal pauseIntentValidityPeriodBlocks;

    address internal owner;

    uint256 internal quorum;
    address[] internal guardians;
    mapping(address => uint256) internal guardianIndicesOneBased; // 1-based

    constructor(
        address _lido,
        address _depositContract,
        address _stakingRouter,
        uint256 _maxDepositsPerBlock,
        uint256 _minDepositBlockDistance,
        uint256 _pauseIntentValidityPeriodBlocks
    ) {
        if (_lido == address(0)) revert ZeroAddress("_lido");
        if (_depositContract == address(0)) revert ZeroAddress ("_depositContract");
        if (_stakingRouter == address(0)) revert ZeroAddress ("_stakingRouter");

        LIDO = ILido(_lido);
        STAKING_ROUTER = IStakingRouter(_stakingRouter);
        DEPOSIT_CONTRACT = IDepositContract(_depositContract);

        ATTEST_MESSAGE_PREFIX = keccak256(
            abi.encodePacked(
                // keccak256("lido.DepositSecurityModule.ATTEST_MESSAGE")
                bytes32(0x1085395a994e25b1b3d0ea7937b7395495fb405b31c7d22dbc3976a6bd01f2bf),
                block.chainid,
                address(this)
            )
        );

        PAUSE_MESSAGE_PREFIX = keccak256(
            abi.encodePacked(
                // keccak256("lido.DepositSecurityModule.PAUSE_MESSAGE")
                bytes32(0x9c4c40205558f12027f21204d6218b8006985b7a6359bcab15404bcc3e3fa122),
                block.chainid,
                address(this)
            )
        );

        _setOwner(msg.sender);
        _setMaxDeposits(_maxDepositsPerBlock);
        _setMinDepositBlockDistance(_minDepositBlockDistance);
        _setPauseIntentValidityPeriodBlocks(_pauseIntentValidityPeriodBlocks);
    }

    /**
     * Returns the owner address.
     */
    function getOwner() external view returns (address) {
        return owner;
    }

    modifier onlyOwner() {
        if (msg.sender != owner) revert NotAnOwner(msg.sender);
        _;
    }

    /**
     * Sets new owner. Only callable by the current owner.
     */
    function setOwner(address newValue) external onlyOwner {
        _setOwner(newValue);
    }

    function _setOwner(address _newOwner) internal {
        if (_newOwner == address(0)) revert ZeroAddress("_newOwner");
        owner = _newOwner;
        emit OwnerChanged(_newOwner);
    }

    /**
     * Returns current `pauseIntentValidityPeriodBlocks` contract parameter (see `pauseDeposits`).
     */
    function getPauseIntentValidityPeriodBlocks() external view returns (uint256) {
        return pauseIntentValidityPeriodBlocks;
    }

    /**
     * Sets `pauseIntentValidityPeriodBlocks`. Only callable by the owner.
     */
    function setPauseIntentValidityPeriodBlocks(uint256 newValue) external onlyOwner {
        _setPauseIntentValidityPeriodBlocks(newValue);
    }

    function _setPauseIntentValidityPeriodBlocks(uint256 newValue) internal {
        if (newValue == 0) revert ZeroParameter("pauseIntentValidityPeriodBlocks");
        pauseIntentValidityPeriodBlocks = newValue;
        emit PauseIntentValidityPeriodBlocksChanged(newValue);
    }

    /**
     * Returns `maxDepositsPerBlock` (see `depositBufferedEther`).
     */
    function getMaxDeposits() external view returns (uint256) {
        return maxDepositsPerBlock;
    }

    /**
     * Sets `maxDepositsPerBlock`. Only callable by the owner.
     *
     * NB: the value must be harmonized with `OracleReportSanityChecker.churnValidatorsPerDayLimit`
     * (see docs for the `OracleReportSanityChecker.setChurnValidatorsPerDayLimit` function)
     */
    function setMaxDeposits(uint256 newValue) external onlyOwner {
        _setMaxDeposits(newValue);
    }

    function _setMaxDeposits(uint256 newValue) internal {
        maxDepositsPerBlock = newValue;
        emit MaxDepositsChanged(newValue);
    }

    /**
     * Returns `minDepositBlockDistance`  (see `depositBufferedEther`).
     */
    function getMinDepositBlockDistance() external view returns (uint256) {
        return minDepositBlockDistance;
    }

    /**
     * Sets `minDepositBlockDistance`. Only callable by the owner.
     *
     * NB: the value must be harmonized with `OracleReportSanityChecker.churnValidatorsPerDayLimit`
     * (see docs for the `OracleReportSanityChecker.setChurnValidatorsPerDayLimit` function)
     */
    function setMinDepositBlockDistance(uint256 newValue) external onlyOwner {
        _setMinDepositBlockDistance(newValue);
    }

    function _setMinDepositBlockDistance(uint256 newValue) internal {
        if (newValue == 0) revert ZeroParameter("minDepositBlockDistance");
        if (newValue != minDepositBlockDistance) {
            minDepositBlockDistance = newValue;
            emit MinDepositBlockDistanceChanged(newValue);
        }
    }

    /**
     * Returns number of valid guardian signatures required to vet (depositRoot, nonce) pair.
     */
    function getGuardianQuorum() external view returns (uint256) {
        return quorum;
    }

    function setGuardianQuorum(uint256 newValue) external onlyOwner {
        _setGuardianQuorum(newValue);
    }

    function _setGuardianQuorum(uint256 newValue) internal {
        // we're intentionally allowing setting quorum value higher than the number of guardians
        if (quorum != newValue) {
            quorum = newValue;
            emit GuardianQuorumChanged(newValue);
        }
    }

    /**
     * Returns guardian committee member list.
     */
    function getGuardians() external view returns (address[] memory) {
        return guardians;
    }

    /**
     * Checks whether the given address is a guardian.
     */
    function isGuardian(address addr) external view returns (bool) {
        return _isGuardian(addr);
    }

    function _isGuardian(address addr) internal view returns (bool) {
        return guardianIndicesOneBased[addr] > 0;
    }

    /**
     * Returns index of the guardian, or -1 if the address is not a guardian.
     */
    function getGuardianIndex(address addr) external view returns (int256) {
        return _getGuardianIndex(addr);
    }

    function _getGuardianIndex(address addr) internal view returns (int256) {
        return int256(guardianIndicesOneBased[addr]) - 1;
    }

    /**
     * Adds a guardian address and sets a new quorum value.
     * Reverts if the address is already a guardian.
     *
     * Only callable by the owner.
     */
    function addGuardian(address addr, uint256 newQuorum) external onlyOwner {
        _addGuardian(addr);
        _setGuardianQuorum(newQuorum);
    }

    /**
     * Adds a set of guardian addresses and sets a new quorum value.
     * Reverts any of them is already a guardian.
     *
     * Only callable by the owner.
     */
    function addGuardians(address[] memory addresses, uint256 newQuorum) external onlyOwner {
        for (uint256 i = 0; i < addresses.length; ++i) {
            _addGuardian(addresses[i]);
        }
        _setGuardianQuorum(newQuorum);
    }

    function _addGuardian(address _newGuardian) internal {
        if (_newGuardian == address(0)) revert ZeroAddress("_newGuardian");
        if (_isGuardian(_newGuardian)) revert DuplicateAddress(_newGuardian);
        guardians.push(_newGuardian);
        guardianIndicesOneBased[_newGuardian] = guardians.length;
        emit GuardianAdded(_newGuardian);
    }

    /**
     * Removes a guardian with the given address and sets a new quorum value.
     *
     * Only callable by the owner.
     */
    function removeGuardian(address addr, uint256 newQuorum) external onlyOwner {
        uint256 indexOneBased = guardianIndicesOneBased[addr];
        if (indexOneBased == 0) revert NotAGuardian(addr);

        uint256 totalGuardians = guardians.length;
        assert(indexOneBased <= totalGuardians);

        if (indexOneBased != totalGuardians) {
            address addrToMove = guardians[totalGuardians - 1];
            guardians[indexOneBased - 1] = addrToMove;
            guardianIndicesOneBased[addrToMove] = indexOneBased;
        }

        guardianIndicesOneBased[addr] = 0;
        guardians.pop();

        _setGuardianQuorum(newQuorum);

        emit GuardianRemoved(addr);
    }

    /**
     * Pauses deposits for staking module given that both conditions are satisfied (reverts otherwise):
     *
     *   1. The function is called by the guardian with index guardianIndex OR sig
     *      is a valid signature by the guardian with index guardianIndex of the data
     *      defined below.
     *
     *   2. block.number - blockNumber <= pauseIntentValidityPeriodBlocks
     *
     * The signature, if present, must be produced for keccak256 hash of the following
     * message (each component taking 32 bytes):
     *
     * | PAUSE_MESSAGE_PREFIX | blockNumber | stakingModuleId |
     */
    function pauseDeposits(
        uint256 blockNumber,
        uint256 stakingModuleId,
        Signature memory sig
    ) external {
        // In case of an emergency function `pauseDeposits` is supposed to be called
        // by all guardians. Thus only the first call will do the actual change. But
        // the other calls would be OK operations from the point of view of protocol’s logic.
        // Thus we prefer not to use “error” semantics which is implied by `require`.

        /// @dev pause only active modules (not already paused, nor full stopped)
        if (!STAKING_ROUTER.getStakingModuleIsActive(stakingModuleId)) {
            return;
        }

        address guardianAddr = msg.sender;
        int256 guardianIndex = _getGuardianIndex(msg.sender);

        if (guardianIndex == -1) {
            bytes32 msgHash = keccak256(abi.encodePacked(PAUSE_MESSAGE_PREFIX, blockNumber, stakingModuleId));
            guardianAddr = ECDSA.recover(msgHash, sig.r, sig.vs);
            guardianIndex = _getGuardianIndex(guardianAddr);
            if (guardianIndex == -1) revert InvalidSignature();
        }

        if (block.number - blockNumber >  pauseIntentValidityPeriodBlocks) revert PauseIntentExpired();

        STAKING_ROUTER.pauseStakingModule(stakingModuleId);
        emit DepositsPaused(guardianAddr, uint24(stakingModuleId));
    }

    /**
     * Unpauses deposits for staking module
     *
     * Only callable by the owner.
     */
    function unpauseDeposits(uint256 stakingModuleId) external onlyOwner {
         /// @dev unpause only paused modules (skip stopped)
        if (STAKING_ROUTER.getStakingModuleIsDepositsPaused(stakingModuleId)) {
            STAKING_ROUTER.resumeStakingModule(stakingModuleId);
            emit DepositsUnpaused(uint24(stakingModuleId));
        }
    }

    /**
     * Returns whether LIDO.deposit() can be called, given that the caller will provide
     * guardian attestations of non-stale deposit root and `nonce`, and the number of
     * such attestations will be enough to reach quorum.
     */
    function canDeposit(uint256 stakingModuleId) external view returns (bool) {
        if (!STAKING_ROUTER.hasStakingModule(stakingModuleId)) return false;

        bool isModuleActive = STAKING_ROUTER.getStakingModuleIsActive(stakingModuleId);
        uint256 lastDepositBlock = STAKING_ROUTER.getStakingModuleLastDepositBlock(stakingModuleId);
        bool isLidoCanDeposit = LIDO.canDeposit();
        return (
            isModuleActive
            && quorum > 0
            && block.number - lastDepositBlock >= minDepositBlockDistance
            && isLidoCanDeposit
        );
    }

    /**
     * Calls LIDO.deposit(maxDepositsPerBlock, stakingModuleId, depositCalldata).
     *
     * Reverts if any of the following is true:
     *   1. IDepositContract.get_deposit_root() != depositRoot.
     *   2. StakingModule.getNonce() != nonce.
     *   3. The number of guardian signatures is less than getGuardianQuorum().
     *   4. An invalid or non-guardian signature received.
     *   5. block.number - StakingModule.getLastDepositBlock() < minDepositBlockDistance.
     *   6. blockhash(blockNumber) != blockHash.
     *
     * Signatures must be sorted in ascending order by address of the guardian. Each signature must
     * be produced for the keccak256 hash of the following message (each component taking 32 bytes):
     *
     * | ATTEST_MESSAGE_PREFIX | blockNumber | blockHash | depositRoot | stakingModuleId | nonce |
     */
    function depositBufferedEther(
        uint256 blockNumber,
        bytes32 blockHash,
        bytes32 depositRoot,
        uint256 stakingModuleId,
        uint256 nonce,
        bytes calldata depositCalldata,
        Signature[] calldata sortedGuardianSignatures
    ) external {
        if (quorum == 0 || sortedGuardianSignatures.length < quorum) revert DepositNoQuorum();

        bytes32 onchainDepositRoot = IDepositContract(DEPOSIT_CONTRACT).get_deposit_root();
        if (depositRoot != onchainDepositRoot) revert DepositRootChanged();

        if (!STAKING_ROUTER.getStakingModuleIsActive(stakingModuleId)) revert DepositInactiveModule();

        uint256 lastDepositBlock = STAKING_ROUTER.getStakingModuleLastDepositBlock(stakingModuleId);
        if (block.number - lastDepositBlock < minDepositBlockDistance) revert DepositTooFrequent();
        if (blockHash == bytes32(0) || blockhash(blockNumber) != blockHash) revert DepositUnexpectedBlockHash();

        uint256 onchainNonce = STAKING_ROUTER.getStakingModuleNonce(stakingModuleId);
        if (nonce != onchainNonce) revert DepositNonceChanged();

        _verifySignatures(depositRoot, blockNumber, blockHash, stakingModuleId, nonce, sortedGuardianSignatures);

        LIDO.deposit(maxDepositsPerBlock, stakingModuleId, depositCalldata);
    }

    function _verifySignatures(
        bytes32 depositRoot,
        uint256 blockNumber,
        bytes32 blockHash,
        uint256 stakingModuleId,
        uint256 nonce,
        Signature[] memory sigs
    ) internal view {
        bytes32 msgHash = keccak256(
            abi.encodePacked(ATTEST_MESSAGE_PREFIX, blockNumber, blockHash, depositRoot, stakingModuleId, nonce)
        );

        address prevSignerAddr = address(0);

        for (uint256 i = 0; i < sigs.length; ++i) {
            address signerAddr = ECDSA.recover(msgHash, sigs[i].r, sigs[i].vs);
            if (!_isGuardian(signerAddr)) revert InvalidSignature();
            if (signerAddr <= prevSignerAddr) revert SignaturesNotSorted();
            prevSignerAddr = signerAddr;
        }
    }
}

// SPDX-License-Identifier: MIT

// Extracted from:
// https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v3.4.0/contracts/cryptography/ECDSA.sol#L53
// https://github.com/OpenZeppelin/openzeppelin-contracts/blob/541e821/contracts/utils/cryptography/ECDSA.sol#L112

/* See contracts/COMPILERS.md */
// solhint-disable-next-line
pragma solidity >=0.4.24 <0.9.0;


library ECDSA {
    /**
     * @dev Returns the address that signed a hashed message (`hash`).
     * This address can then be used for verification purposes.
     * Receives the `v`, `r` and `s` signature fields separately.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data.
     */
    function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address)
    {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (281): 0 < s < secp256k1n ÷ 2 + 1, and for v in (282): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        require(uint256(s) <= 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0, "ECDSA: invalid signature 's' value");

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        require(signer != address(0), "ECDSA: invalid signature");

        return signer;
    }

    /**
     * @dev Overload of `recover` that receives the `r` and `vs` short-signature fields separately.
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     */
    function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {
        bytes32 s;
        uint8 v;
        assembly {
            s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
            v := add(shr(255, vs), 27)
        }
        return recover(hash, v, r, s);
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "istanbul",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"_lido","type":"address"},{"internalType":"address","name":"_depositContract","type":"address"},{"internalType":"address","name":"_stakingRouter","type":"address"},{"internalType":"uint256","name":"_maxDepositsPerBlock","type":"uint256"},{"internalType":"uint256","name":"_minDepositBlockDistance","type":"uint256"},{"internalType":"uint256","name":"_pauseIntentValidityPeriodBlocks","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"DepositInactiveModule","type":"error"},{"inputs":[],"name":"DepositNoQuorum","type":"error"},{"inputs":[],"name":"DepositNonceChanged","type":"error"},{"inputs":[],"name":"DepositRootChanged","type":"error"},{"inputs":[],"name":"DepositTooFrequent","type":"error"},{"inputs":[],"name":"DepositUnexpectedBlockHash","type":"error"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"DuplicateAddress","type":"error"},{"inputs":[],"name":"InvalidSignature","type":"error"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"NotAGuardian","type":"error"},{"inputs":[{"internalType":"address","name":"caller","type":"address"}],"name":"NotAnOwner","type":"error"},{"inputs":[],"name":"PauseIntentExpired","type":"error"},{"inputs":[],"name":"SignaturesNotSorted","type":"error"},{"inputs":[{"internalType":"string","name":"field","type":"string"}],"name":"ZeroAddress","type":"error"},{"inputs":[{"internalType":"string","name":"parameter","type":"string"}],"name":"ZeroParameter","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"guardian","type":"address"},{"indexed":true,"internalType":"uint24","name":"stakingModuleId","type":"uint24"}],"name":"DepositsPaused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint24","name":"stakingModuleId","type":"uint24"}],"name":"DepositsUnpaused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"guardian","type":"address"}],"name":"GuardianAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"GuardianQuorumChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"guardian","type":"address"}],"name":"GuardianRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"MaxDepositsChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"MinDepositBlockDistanceChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newValue","type":"address"}],"name":"OwnerChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"PauseIntentValidityPeriodBlocksChanged","type":"event"},{"inputs":[],"name":"ATTEST_MESSAGE_PREFIX","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEPOSIT_CONTRACT","outputs":[{"internalType":"contract IDepositContract","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LIDO","outputs":[{"internalType":"contract ILido","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PAUSE_MESSAGE_PREFIX","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"STAKING_ROUTER","outputs":[{"internalType":"contract IStakingRouter","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint256","name":"newQuorum","type":"uint256"}],"name":"addGuardian","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"addresses","type":"address[]"},{"internalType":"uint256","name":"newQuorum","type":"uint256"}],"name":"addGuardians","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"stakingModuleId","type":"uint256"}],"name":"canDeposit","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"blockNumber","type":"uint256"},{"internalType":"bytes32","name":"blockHash","type":"bytes32"},{"internalType":"bytes32","name":"depositRoot","type":"bytes32"},{"internalType":"uint256","name":"stakingModuleId","type":"uint256"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"bytes","name":"depositCalldata","type":"bytes"},{"components":[{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"vs","type":"bytes32"}],"internalType":"struct DepositSecurityModule.Signature[]","name":"sortedGuardianSignatures","type":"tuple[]"}],"name":"depositBufferedEther","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"getGuardianIndex","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getGuardianQuorum","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getGuardians","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMaxDeposits","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMinDepositBlockDistance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPauseIntentValidityPeriodBlocks","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"isGuardian","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"blockNumber","type":"uint256"},{"internalType":"uint256","name":"stakingModuleId","type":"uint256"},{"components":[{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"vs","type":"bytes32"}],"internalType":"struct DepositSecurityModule.Signature","name":"sig","type":"tuple"}],"name":"pauseDeposits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint256","name":"newQuorum","type":"uint256"}],"name":"removeGuardian","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"setGuardianQuorum","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"setMaxDeposits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"setMinDepositBlockDistance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newValue","type":"address"}],"name":"setOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"setPauseIntentValidityPeriodBlocks","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"stakingModuleId","type":"uint256"}],"name":"unpauseDeposits","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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0000000000000000000000003f1c547b21f65e10480de3ad8e19faac46c950340000000000000000000000004242424242424242424242424242424242424242000000000000000000000000d6ebf043d30a7fe46d1db32ba90a0a51207fe2290000000000000000000000000000000000000000000000000000000000000096000000000000000000000000000000000000000000000000000000000000000500000000000000000000000000000000000000000000000000000000000019f6

-----Decoded View---------------
Arg [0] : _lido (address): 0x3F1c547b21f65e10480dE3ad8E19fAAC46C95034
Arg [1] : _depositContract (address): 0x4242424242424242424242424242424242424242
Arg [2] : _stakingRouter (address): 0xd6EbF043D30A7fe46D1Db32BA90a0A51207FE229
Arg [3] : _maxDepositsPerBlock (uint256): 150
Arg [4] : _minDepositBlockDistance (uint256): 5
Arg [5] : _pauseIntentValidityPeriodBlocks (uint256): 6646

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 0000000000000000000000003f1c547b21f65e10480de3ad8e19faac46c95034
Arg [1] : 0000000000000000000000004242424242424242424242424242424242424242
Arg [2] : 000000000000000000000000d6ebf043d30a7fe46d1db32ba90a0a51207fe229
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000096
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000005
Arg [5] : 00000000000000000000000000000000000000000000000000000000000019f6