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// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

// ====================================================================
// |     ______                   _______                             |
// |    / _____________ __  __   / ____(_____  ____ _____  ________   |
// |   / /_  / ___/ __ `| |/_/  / /_  / / __ \/ __ `/ __ \/ ___/ _ \  |
// |  / __/ / /  / /_/ _>  <   / __/ / / / / / /_/ / / / / /__/  __/  |
// | /_/   /_/   \__,_/_/|_|  /_/   /_/_/ /_/\__,_/_/ /_/\___/\___/   |
// |                                                                  |
// ====================================================================
// ======================= WFXBBalanceChecker =========================
// ====================================================================

import { IcvxFXB } from "./interfaces/IcvxFXB.sol";

/**
 * @title WFXBBalanceChecker
 * @author Frax Finance
 * @notice The WFXBBalanceChecker contract is used to retrieve the balances of addresses and tokens.
 */
contract WFXBBalanceChecker {
    constructor() {}

    /**
     * @notice Used to get the token's balance for multiple addresses.
     * @param token Address of the token to check the balance of
     * @param addresses An array of addresses to check the balance of
     * @return result An array of the balances of the addresses
     */
    function tokenBalances(address token, address[] memory addresses) external view returns (uint256[] memory result) {
        result = new uint256[](addresses.length);
        IcvxFXB cvxFXB = IcvxFXB(token);

        for (uint256 i = 0; i < addresses.length; ++i) {
            uint256 userShares = cvxFXB.balanceOf(addresses[i]);

            result[i] = cvxFXB.convertToAssets(userShares);
        }
    }

    /**
     * @notice Used to get the balances of multiple tokens for a single address.
     * @dev This function is only preserved for teh smart contract to maintain the same interface as the original
     *  BalanceChecker, but should not be called as it is hardcoded to simply return an empty array.
     * @param addr Address to check the balance of
     * @param tokens An array of tokens to check the balance of
     * @return result An array of the balances of the tokens
     */
    function addressBalances(address addr, address[] memory tokens) external view returns (uint256[] memory result) {
        uint256[] memory mockReturnValue;

        return mockReturnValue;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

interface IcvxFXB {
    function convertToAssets(uint256 _shares) external view returns (uint256 assets);

    function balanceOf(address account) external view returns (uint256);
}

{
  "remappings": [
    "frax-std/=lib/frax-standard-solidity/src/",
    "@eth-optimism/=lib/optimism/packages/",
    "lib/optimism/packages/contracts-bedrock:src/=lib/optimism/packages/contracts-bedrock/src/",
    "src/=src/",
    "@openzeppelin-4/=node_modules/@openzeppelin-4/",
    "@openzeppelin-5/=node_modules/@openzeppelin-5/",
    "@openzeppelin/=node_modules/@openzeppelin/",
    "@rari-capital/=node_modules/@rari-capital/",
    "clones-with-immutable-args/=lib/optimism/packages/contracts-bedrock/lib/clones-with-immutable-args/src/",
    "ds-test/=lib/frax-standard-solidity/lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/frax-standard-solidity/lib/forge-std/src/",
    "frax-standard-solidity/=lib/frax-standard-solidity/src/",
    "kontrol-cheatcodes/=lib/optimism/packages/contracts-bedrock/lib/kontrol-cheatcodes/src/",
    "lib-keccak/=lib/optimism/packages/contracts-bedrock/lib/lib-keccak/contracts/",
    "openzeppelin-contracts-upgradeable/=lib/optimism/packages/contracts-bedrock/lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/optimism/packages/contracts-bedrock/lib/openzeppelin-contracts/",
    "optimism/=lib/optimism/",
    "safe-contracts/=lib/optimism/packages/contracts-bedrock/lib/safe-contracts/contracts/",
    "solady/=lib/optimism/packages/contracts-bedrock/lib/solady/",
    "solidity-bytes-utils/=lib/frax-standard-solidity/lib/solidity-bytes-utils/",
    "solmate/=lib/optimism/packages/contracts-bedrock/lib/solmate/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 100000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": false,
  "libraries": {}
}

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[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"address[]","name":"tokens","type":"address[]"}],"name":"addressBalances","outputs":[{"internalType":"uint256[]","name":"result","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address[]","name":"addresses","type":"address[]"}],"name":"tokenBalances","outputs":[{"internalType":"uint256[]","name":"result","type":"uint256[]"}],"stateMutability":"view","type":"function"}]

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