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// SPDX-License-Identifier: GPL-3.0-or-later
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

pragma solidity ^0.8.22;

import "@balancer-v3-monorepo/interfaces/solidity-utils/helpers/IRateProvider.sol";

interface IStakingAccountant {
    function kHYPEToHYPE(uint256 kHYPEAmount) external view returns (uint256);
    function HYPEToKHYPE(uint256 HYPEAmount) external view returns (uint256);
}

/**
 * @title kHype Rate Provider
 * @notice Implements the getRate function for kHYPE
 */
contract KHypeRateProvider is IRateProvider {
    IStakingAccountant public constant accountant = IStakingAccountant(0x9209648Ec9D448EF57116B73A2f081835643dc7A);
    uint256 private constant FP_ONE = 1e18;


    constructor() {
    }

    /**
     * @return The exchange rate of 1e18 kHYPE to HYPE
     */
    function getRate() external view override returns (uint256) {
        return accountant.kHYPEToHYPE(FP_ONE);
    }
}

// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity ^0.8.24;

/// @notice General interface for token exchange rates.
interface IRateProvider {
    /**
     * @notice An 18 decimal fixed point number representing the exchange rate of one token to another related token.
     * @dev The meaning of this rate depends on the context. Note that there may be an error associated with a token
     * rate, and the caller might require a certain rounding direction to ensure correctness. This (legacy) interface
     * does not take a rounding direction or return an error, so great care must be taken when interpreting and using
     * rates in downstream computations.
     *
     * @return rate The current token rate
     */
    function getRate() external view returns (uint256 rate);
}

{
  "remappings": [
    "@balancer-v3-monorepo/interfaces/=lib/balancer-v3-monorepo/pkg/interfaces/contracts/",
    "@balancer-v3-monorepo/vault/=lib/balancer-v3-monorepo/pkg/vault/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@permit2/=lib/permit2/src/",
    "@balancer-labs/=lib/balancer-v3-monorepo/node_modules/@balancer-labs/",
    "balancer-v3-monorepo/=lib/balancer-v3-monorepo/",
    "ds-test/=lib/balancer-v3-monorepo/node_modules/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "eth-gas-reporter/=lib/balancer-v3-monorepo/node_modules/eth-gas-reporter/",
    "forge-gas-snapshot/=lib/permit2/lib/forge-gas-snapshot/src/",
    "forge-std/=lib/forge-std/src/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
    "hardhat/=lib/balancer-v3-monorepo/node_modules/hardhat/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "permit2/=lib/permit2/",
    "solmate/=lib/permit2/lib/solmate/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": false
}

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[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"accountant","outputs":[{"internalType":"contract IStakingAccountant","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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ipfs://08837efd24ff1c51bdd737eaa336c9f1d8887b62fb8411b2753b546e21547c36