// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/* Interface Imports */
import { IBondManager } from "./IBondManager.sol";

/* Contract Imports */
import { Lib_AddressResolver } from "../../libraries/resolver/Lib_AddressResolver.sol";

/**
 * @title BondManager
 * @dev This contract is, for now, a stub of the "real" BondManager that does nothing but
 * allow the "OVM_Proposer" to submit state root batches.
 *
 * Runtime target: EVM
 */
contract BondManager is IBondManager, Lib_AddressResolver {
    /**
     * @param _libAddressManager Address of the Address Manager.
     */
    constructor(address _libAddressManager) Lib_AddressResolver(_libAddressManager) {}

    /**
     * Checks whether a given address is properly collateralized and can perform actions within
     * the system.
     * @param _who Address to check.
     * @return true if the address is properly collateralized, false otherwise.
     */
    function isCollateralized(address _who) public view returns (bool) {
        // Only authenticate sequencer to submit state root batches.
        return _who == resolve("OVM_Proposer");
    }
}
