Contract Source Code (Solidity Standard Json-Input format)

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// SPDX-License-Identifier: MIT

pragma solidity 0.8.26;

import {IFeeHook} from "src/interfaces/utils/IFeeHook.sol";
import {IEverlongCore} from "src/interfaces/core/IEverlongCore.sol";

/**
 * @title FeeHook
 * @author Everlong Labs
 * @notice Simple settable fee for MLVs
 */
contract FeeHook is IFeeHook {
    uint256 fee;
    IEverlongCore immutable public everlongCore;
    
    error NotOwner(address caller);

    constructor(uint256 _fee, address _everlongCore) {
        fee = _fee;
        everlongCore = IEverlongCore(_everlongCore);
    }

    function setFee(uint256 _fee) external {
        if (msg.sender != everlongCore.owner()) revert NotOwner(msg.sender);

        fee = _fee;
    }

    function calcFee(address caller, address token, uint amount, Action action) external view returns (uint256 feeInBP) {
        return fee;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.26;

interface IFeeHook {
    enum Action {
        DEPOSIT,
        MINT,
        WITHDRAW,
        REDEEM
    }

    function calcFee(address caller, address token, uint amount, Action action) external view returns (uint feeInBP);
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.26;

/**
 * @title EverlongCore
 * @author Everlong Labs
 * @notice Single source of truth across all Everlong contracts for key administrative data
 */
interface IEverlongCore {
    function owner() external view returns (address);
    function feeReceiver() external view returns (address);
    function priceFeed() external view returns (address);

    function setFeeReceiver(address _feeReceiver) external;
}

{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@openzeppelin-upgradeable/contracts/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "forge-std/=lib/forge-std/src/",
    "@uniswap/v3-core/=lib/v3-core/",
    "@uniswap/v3-periphery/=lib/v3-periphery/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "ds-test/=lib/openzeppelin-contracts-upgradeable/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts-upgradeable/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "v3-core/=lib/v3-core/contracts/",
    "v3-periphery/=lib/v3-periphery/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 1
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": false
}

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[{"inputs":[{"internalType":"uint256","name":"_fee","type":"uint256"},{"internalType":"address","name":"_everlongCore","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"caller","type":"address"}],"name":"NotOwner","type":"error"},{"inputs":[{"internalType":"address","name":"caller","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"enum IFeeHook.Action","name":"action","type":"uint8"}],"name":"calcFee","outputs":[{"internalType":"uint256","name":"feeInBP","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"everlongCore","outputs":[{"internalType":"contract IEverlongCore","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_fee","type":"uint256"}],"name":"setFee","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000776d3a1591e3f8b466b9cee9dd1d849c92b30ca5

-----Decoded View---------------
Arg [0] : _fee (uint256): 0
Arg [1] : _everlongCore (address): 0x776D3a1591E3F8b466B9Cee9DD1D849C92B30Ca5

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [1] : 000000000000000000000000776d3a1591e3f8b466b9cee9dd1d849c92b30ca5