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// SPDX-License-Identifier: BUSL-1.1

pragma solidity ^0.8.22;

import {SafeCast} from "@openzeppelin/contracts/utils/math/SafeCast.sol";
import {IWormholeRelayer} from "@wormhole-solidity-sdk/interfaces/IWormholeRelayer.sol";
import {IChainlinkV3Aggregator} from "@stakewise-core/interfaces/IChainlinkV3Aggregator.sol";
import {IPriceFeedSender} from "./interfaces/IPriceFeedSender.sol";

/**
 * @title PriceFeedSender
 * @author StakeWise
 * @notice Sends the new rate to the Wormhole Relayer
 */
contract PriceFeedSender is IPriceFeedSender {
    error InsufficientFunds();

    IChainlinkV3Aggregator private immutable _priceFeed;
    IWormholeRelayer private immutable _wormholeRelayer;
    uint256 private immutable _gasLimit;
    uint16 private immutable _chainId;

    /**
     * @dev Constructor
     * @param priceFeed The address of the PriceFeed contract
     * @param wormholeRelayer The address of the Wormhole Relayer contract
     * @param gasLimit The gas limit for the Wormhole Relayer call
     * @param chainId The Wormhole chain ID
     */
    constructor(address priceFeed, address wormholeRelayer, uint256 gasLimit, uint16 chainId) {
        _priceFeed = IChainlinkV3Aggregator(priceFeed);
        _wormholeRelayer = IWormholeRelayer(wormholeRelayer);
        _gasLimit = gasLimit;
        _chainId = chainId;
    }

    /// @inheritdoc IPriceFeedSender
    function quoteRateSync(uint16 targetChain) public view override returns (uint256 cost) {
        (cost,) = _wormholeRelayer.quoteEVMDeliveryPrice(
            targetChain,
            0, // pass zero as receiver value is not used
            _gasLimit
        );
    }

    /// @inheritdoc IPriceFeedSender
    function syncRate(uint16 targetChain, address targetAddress) external payable override {
        // check sufficient funds
        uint256 cost = quoteRateSync(targetChain);
        if (msg.value != cost) {
            revert InsufficientFunds();
        }

        // fetch latest rate
        (, int256 answer,, uint256 updatedAt,) = _priceFeed.latestRoundData();
        uint128 timestamp = SafeCast.toUint128(updatedAt);
        uint128 newRate = SafeCast.toUint128(SafeCast.toUint256(answer));

        // send the rate to the Wormhole Relayer
        _wormholeRelayer.sendPayloadToEvm{value: cost}(
            targetChain,
            targetAddress,
            abi.encode(timestamp, newRate), // encode payload
            0, // pass zero as receiver value is not used
            _gasLimit,
            _chainId, // use the current chain ID as the refund chain
            msg.sender // use the sender as the refund address
        );
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.

pragma solidity ^0.8.20;

/**
 * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow
 * checks.
 *
 * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
 * easily result in undesired exploitation or bugs, since developers usually
 * assume that overflows raise errors. `SafeCast` restores this intuition by
 * reverting the transaction when such an operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeCast {
    /**
     * @dev Value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);

    /**
     * @dev An int value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedIntToUint(int256 value);

    /**
     * @dev Value doesn't fit in an int of `bits` size.
     */
    error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);

    /**
     * @dev An uint value doesn't fit in an int of `bits` size.
     */
    error SafeCastOverflowedUintToInt(uint256 value);

    /**
     * @dev Returns the downcasted uint248 from uint256, reverting on
     * overflow (when the input is greater than largest uint248).
     *
     * Counterpart to Solidity's `uint248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     */
    function toUint248(uint256 value) internal pure returns (uint248) {
        if (value > type(uint248).max) {
            revert SafeCastOverflowedUintDowncast(248, value);
        }
        return uint248(value);
    }

    /**
     * @dev Returns the downcasted uint240 from uint256, reverting on
     * overflow (when the input is greater than largest uint240).
     *
     * Counterpart to Solidity's `uint240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     */
    function toUint240(uint256 value) internal pure returns (uint240) {
        if (value > type(uint240).max) {
            revert SafeCastOverflowedUintDowncast(240, value);
        }
        return uint240(value);
    }

    /**
     * @dev Returns the downcasted uint232 from uint256, reverting on
     * overflow (when the input is greater than largest uint232).
     *
     * Counterpart to Solidity's `uint232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     */
    function toUint232(uint256 value) internal pure returns (uint232) {
        if (value > type(uint232).max) {
            revert SafeCastOverflowedUintDowncast(232, value);
        }
        return uint232(value);
    }

    /**
     * @dev Returns the downcasted uint224 from uint256, reverting on
     * overflow (when the input is greater than largest uint224).
     *
     * Counterpart to Solidity's `uint224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toUint224(uint256 value) internal pure returns (uint224) {
        if (value > type(uint224).max) {
            revert SafeCastOverflowedUintDowncast(224, value);
        }
        return uint224(value);
    }

    /**
     * @dev Returns the downcasted uint216 from uint256, reverting on
     * overflow (when the input is greater than largest uint216).
     *
     * Counterpart to Solidity's `uint216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     */
    function toUint216(uint256 value) internal pure returns (uint216) {
        if (value > type(uint216).max) {
            revert SafeCastOverflowedUintDowncast(216, value);
        }
        return uint216(value);
    }

    /**
     * @dev Returns the downcasted uint208 from uint256, reverting on
     * overflow (when the input is greater than largest uint208).
     *
     * Counterpart to Solidity's `uint208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     */
    function toUint208(uint256 value) internal pure returns (uint208) {
        if (value > type(uint208).max) {
            revert SafeCastOverflowedUintDowncast(208, value);
        }
        return uint208(value);
    }

    /**
     * @dev Returns the downcasted uint200 from uint256, reverting on
     * overflow (when the input is greater than largest uint200).
     *
     * Counterpart to Solidity's `uint200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     */
    function toUint200(uint256 value) internal pure returns (uint200) {
        if (value > type(uint200).max) {
            revert SafeCastOverflowedUintDowncast(200, value);
        }
        return uint200(value);
    }

    /**
     * @dev Returns the downcasted uint192 from uint256, reverting on
     * overflow (when the input is greater than largest uint192).
     *
     * Counterpart to Solidity's `uint192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     */
    function toUint192(uint256 value) internal pure returns (uint192) {
        if (value > type(uint192).max) {
            revert SafeCastOverflowedUintDowncast(192, value);
        }
        return uint192(value);
    }

    /**
     * @dev Returns the downcasted uint184 from uint256, reverting on
     * overflow (when the input is greater than largest uint184).
     *
     * Counterpart to Solidity's `uint184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     */
    function toUint184(uint256 value) internal pure returns (uint184) {
        if (value > type(uint184).max) {
            revert SafeCastOverflowedUintDowncast(184, value);
        }
        return uint184(value);
    }

    /**
     * @dev Returns the downcasted uint176 from uint256, reverting on
     * overflow (when the input is greater than largest uint176).
     *
     * Counterpart to Solidity's `uint176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     */
    function toUint176(uint256 value) internal pure returns (uint176) {
        if (value > type(uint176).max) {
            revert SafeCastOverflowedUintDowncast(176, value);
        }
        return uint176(value);
    }

    /**
     * @dev Returns the downcasted uint168 from uint256, reverting on
     * overflow (when the input is greater than largest uint168).
     *
     * Counterpart to Solidity's `uint168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     */
    function toUint168(uint256 value) internal pure returns (uint168) {
        if (value > type(uint168).max) {
            revert SafeCastOverflowedUintDowncast(168, value);
        }
        return uint168(value);
    }

    /**
     * @dev Returns the downcasted uint160 from uint256, reverting on
     * overflow (when the input is greater than largest uint160).
     *
     * Counterpart to Solidity's `uint160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     */
    function toUint160(uint256 value) internal pure returns (uint160) {
        if (value > type(uint160).max) {
            revert SafeCastOverflowedUintDowncast(160, value);
        }
        return uint160(value);
    }

    /**
     * @dev Returns the downcasted uint152 from uint256, reverting on
     * overflow (when the input is greater than largest uint152).
     *
     * Counterpart to Solidity's `uint152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     */
    function toUint152(uint256 value) internal pure returns (uint152) {
        if (value > type(uint152).max) {
            revert SafeCastOverflowedUintDowncast(152, value);
        }
        return uint152(value);
    }

    /**
     * @dev Returns the downcasted uint144 from uint256, reverting on
     * overflow (when the input is greater than largest uint144).
     *
     * Counterpart to Solidity's `uint144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     */
    function toUint144(uint256 value) internal pure returns (uint144) {
        if (value > type(uint144).max) {
            revert SafeCastOverflowedUintDowncast(144, value);
        }
        return uint144(value);
    }

    /**
     * @dev Returns the downcasted uint136 from uint256, reverting on
     * overflow (when the input is greater than largest uint136).
     *
     * Counterpart to Solidity's `uint136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     */
    function toUint136(uint256 value) internal pure returns (uint136) {
        if (value > type(uint136).max) {
            revert SafeCastOverflowedUintDowncast(136, value);
        }
        return uint136(value);
    }

    /**
     * @dev Returns the downcasted uint128 from uint256, reverting on
     * overflow (when the input is greater than largest uint128).
     *
     * Counterpart to Solidity's `uint128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toUint128(uint256 value) internal pure returns (uint128) {
        if (value > type(uint128).max) {
            revert SafeCastOverflowedUintDowncast(128, value);
        }
        return uint128(value);
    }

    /**
     * @dev Returns the downcasted uint120 from uint256, reverting on
     * overflow (when the input is greater than largest uint120).
     *
     * Counterpart to Solidity's `uint120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     */
    function toUint120(uint256 value) internal pure returns (uint120) {
        if (value > type(uint120).max) {
            revert SafeCastOverflowedUintDowncast(120, value);
        }
        return uint120(value);
    }

    /**
     * @dev Returns the downcasted uint112 from uint256, reverting on
     * overflow (when the input is greater than largest uint112).
     *
     * Counterpart to Solidity's `uint112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     */
    function toUint112(uint256 value) internal pure returns (uint112) {
        if (value > type(uint112).max) {
            revert SafeCastOverflowedUintDowncast(112, value);
        }
        return uint112(value);
    }

    /**
     * @dev Returns the downcasted uint104 from uint256, reverting on
     * overflow (when the input is greater than largest uint104).
     *
     * Counterpart to Solidity's `uint104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     */
    function toUint104(uint256 value) internal pure returns (uint104) {
        if (value > type(uint104).max) {
            revert SafeCastOverflowedUintDowncast(104, value);
        }
        return uint104(value);
    }

    /**
     * @dev Returns the downcasted uint96 from uint256, reverting on
     * overflow (when the input is greater than largest uint96).
     *
     * Counterpart to Solidity's `uint96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toUint96(uint256 value) internal pure returns (uint96) {
        if (value > type(uint96).max) {
            revert SafeCastOverflowedUintDowncast(96, value);
        }
        return uint96(value);
    }

    /**
     * @dev Returns the downcasted uint88 from uint256, reverting on
     * overflow (when the input is greater than largest uint88).
     *
     * Counterpart to Solidity's `uint88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     */
    function toUint88(uint256 value) internal pure returns (uint88) {
        if (value > type(uint88).max) {
            revert SafeCastOverflowedUintDowncast(88, value);
        }
        return uint88(value);
    }

    /**
     * @dev Returns the downcasted uint80 from uint256, reverting on
     * overflow (when the input is greater than largest uint80).
     *
     * Counterpart to Solidity's `uint80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     */
    function toUint80(uint256 value) internal pure returns (uint80) {
        if (value > type(uint80).max) {
            revert SafeCastOverflowedUintDowncast(80, value);
        }
        return uint80(value);
    }

    /**
     * @dev Returns the downcasted uint72 from uint256, reverting on
     * overflow (when the input is greater than largest uint72).
     *
     * Counterpart to Solidity's `uint72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     */
    function toUint72(uint256 value) internal pure returns (uint72) {
        if (value > type(uint72).max) {
            revert SafeCastOverflowedUintDowncast(72, value);
        }
        return uint72(value);
    }

    /**
     * @dev Returns the downcasted uint64 from uint256, reverting on
     * overflow (when the input is greater than largest uint64).
     *
     * Counterpart to Solidity's `uint64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toUint64(uint256 value) internal pure returns (uint64) {
        if (value > type(uint64).max) {
            revert SafeCastOverflowedUintDowncast(64, value);
        }
        return uint64(value);
    }

    /**
     * @dev Returns the downcasted uint56 from uint256, reverting on
     * overflow (when the input is greater than largest uint56).
     *
     * Counterpart to Solidity's `uint56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     */
    function toUint56(uint256 value) internal pure returns (uint56) {
        if (value > type(uint56).max) {
            revert SafeCastOverflowedUintDowncast(56, value);
        }
        return uint56(value);
    }

    /**
     * @dev Returns the downcasted uint48 from uint256, reverting on
     * overflow (when the input is greater than largest uint48).
     *
     * Counterpart to Solidity's `uint48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     */
    function toUint48(uint256 value) internal pure returns (uint48) {
        if (value > type(uint48).max) {
            revert SafeCastOverflowedUintDowncast(48, value);
        }
        return uint48(value);
    }

    /**
     * @dev Returns the downcasted uint40 from uint256, reverting on
     * overflow (when the input is greater than largest uint40).
     *
     * Counterpart to Solidity's `uint40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     */
    function toUint40(uint256 value) internal pure returns (uint40) {
        if (value > type(uint40).max) {
            revert SafeCastOverflowedUintDowncast(40, value);
        }
        return uint40(value);
    }

    /**
     * @dev Returns the downcasted uint32 from uint256, reverting on
     * overflow (when the input is greater than largest uint32).
     *
     * Counterpart to Solidity's `uint32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toUint32(uint256 value) internal pure returns (uint32) {
        if (value > type(uint32).max) {
            revert SafeCastOverflowedUintDowncast(32, value);
        }
        return uint32(value);
    }

    /**
     * @dev Returns the downcasted uint24 from uint256, reverting on
     * overflow (when the input is greater than largest uint24).
     *
     * Counterpart to Solidity's `uint24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     */
    function toUint24(uint256 value) internal pure returns (uint24) {
        if (value > type(uint24).max) {
            revert SafeCastOverflowedUintDowncast(24, value);
        }
        return uint24(value);
    }

    /**
     * @dev Returns the downcasted uint16 from uint256, reverting on
     * overflow (when the input is greater than largest uint16).
     *
     * Counterpart to Solidity's `uint16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toUint16(uint256 value) internal pure returns (uint16) {
        if (value > type(uint16).max) {
            revert SafeCastOverflowedUintDowncast(16, value);
        }
        return uint16(value);
    }

    /**
     * @dev Returns the downcasted uint8 from uint256, reverting on
     * overflow (when the input is greater than largest uint8).
     *
     * Counterpart to Solidity's `uint8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     */
    function toUint8(uint256 value) internal pure returns (uint8) {
        if (value > type(uint8).max) {
            revert SafeCastOverflowedUintDowncast(8, value);
        }
        return uint8(value);
    }

    /**
     * @dev Converts a signed int256 into an unsigned uint256.
     *
     * Requirements:
     *
     * - input must be greater than or equal to 0.
     */
    function toUint256(int256 value) internal pure returns (uint256) {
        if (value < 0) {
            revert SafeCastOverflowedIntToUint(value);
        }
        return uint256(value);
    }

    /**
     * @dev Returns the downcasted int248 from int256, reverting on
     * overflow (when the input is less than smallest int248 or
     * greater than largest int248).
     *
     * Counterpart to Solidity's `int248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     */
    function toInt248(int256 value) internal pure returns (int248 downcasted) {
        downcasted = int248(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(248, value);
        }
    }

    /**
     * @dev Returns the downcasted int240 from int256, reverting on
     * overflow (when the input is less than smallest int240 or
     * greater than largest int240).
     *
     * Counterpart to Solidity's `int240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     */
    function toInt240(int256 value) internal pure returns (int240 downcasted) {
        downcasted = int240(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(240, value);
        }
    }

    /**
     * @dev Returns the downcasted int232 from int256, reverting on
     * overflow (when the input is less than smallest int232 or
     * greater than largest int232).
     *
     * Counterpart to Solidity's `int232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     */
    function toInt232(int256 value) internal pure returns (int232 downcasted) {
        downcasted = int232(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(232, value);
        }
    }

    /**
     * @dev Returns the downcasted int224 from int256, reverting on
     * overflow (when the input is less than smallest int224 or
     * greater than largest int224).
     *
     * Counterpart to Solidity's `int224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toInt224(int256 value) internal pure returns (int224 downcasted) {
        downcasted = int224(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(224, value);
        }
    }

    /**
     * @dev Returns the downcasted int216 from int256, reverting on
     * overflow (when the input is less than smallest int216 or
     * greater than largest int216).
     *
     * Counterpart to Solidity's `int216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     */
    function toInt216(int256 value) internal pure returns (int216 downcasted) {
        downcasted = int216(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(216, value);
        }
    }

    /**
     * @dev Returns the downcasted int208 from int256, reverting on
     * overflow (when the input is less than smallest int208 or
     * greater than largest int208).
     *
     * Counterpart to Solidity's `int208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     */
    function toInt208(int256 value) internal pure returns (int208 downcasted) {
        downcasted = int208(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(208, value);
        }
    }

    /**
     * @dev Returns the downcasted int200 from int256, reverting on
     * overflow (when the input is less than smallest int200 or
     * greater than largest int200).
     *
     * Counterpart to Solidity's `int200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     */
    function toInt200(int256 value) internal pure returns (int200 downcasted) {
        downcasted = int200(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(200, value);
        }
    }

    /**
     * @dev Returns the downcasted int192 from int256, reverting on
     * overflow (when the input is less than smallest int192 or
     * greater than largest int192).
     *
     * Counterpart to Solidity's `int192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     */
    function toInt192(int256 value) internal pure returns (int192 downcasted) {
        downcasted = int192(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(192, value);
        }
    }

    /**
     * @dev Returns the downcasted int184 from int256, reverting on
     * overflow (when the input is less than smallest int184 or
     * greater than largest int184).
     *
     * Counterpart to Solidity's `int184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     */
    function toInt184(int256 value) internal pure returns (int184 downcasted) {
        downcasted = int184(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(184, value);
        }
    }

    /**
     * @dev Returns the downcasted int176 from int256, reverting on
     * overflow (when the input is less than smallest int176 or
     * greater than largest int176).
     *
     * Counterpart to Solidity's `int176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     */
    function toInt176(int256 value) internal pure returns (int176 downcasted) {
        downcasted = int176(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(176, value);
        }
    }

    /**
     * @dev Returns the downcasted int168 from int256, reverting on
     * overflow (when the input is less than smallest int168 or
     * greater than largest int168).
     *
     * Counterpart to Solidity's `int168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     */
    function toInt168(int256 value) internal pure returns (int168 downcasted) {
        downcasted = int168(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(168, value);
        }
    }

    /**
     * @dev Returns the downcasted int160 from int256, reverting on
     * overflow (when the input is less than smallest int160 or
     * greater than largest int160).
     *
     * Counterpart to Solidity's `int160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     */
    function toInt160(int256 value) internal pure returns (int160 downcasted) {
        downcasted = int160(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(160, value);
        }
    }

    /**
     * @dev Returns the downcasted int152 from int256, reverting on
     * overflow (when the input is less than smallest int152 or
     * greater than largest int152).
     *
     * Counterpart to Solidity's `int152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     */
    function toInt152(int256 value) internal pure returns (int152 downcasted) {
        downcasted = int152(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(152, value);
        }
    }

    /**
     * @dev Returns the downcasted int144 from int256, reverting on
     * overflow (when the input is less than smallest int144 or
     * greater than largest int144).
     *
     * Counterpart to Solidity's `int144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     */
    function toInt144(int256 value) internal pure returns (int144 downcasted) {
        downcasted = int144(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(144, value);
        }
    }

    /**
     * @dev Returns the downcasted int136 from int256, reverting on
     * overflow (when the input is less than smallest int136 or
     * greater than largest int136).
     *
     * Counterpart to Solidity's `int136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     */
    function toInt136(int256 value) internal pure returns (int136 downcasted) {
        downcasted = int136(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(136, value);
        }
    }

    /**
     * @dev Returns the downcasted int128 from int256, reverting on
     * overflow (when the input is less than smallest int128 or
     * greater than largest int128).
     *
     * Counterpart to Solidity's `int128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toInt128(int256 value) internal pure returns (int128 downcasted) {
        downcasted = int128(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(128, value);
        }
    }

    /**
     * @dev Returns the downcasted int120 from int256, reverting on
     * overflow (when the input is less than smallest int120 or
     * greater than largest int120).
     *
     * Counterpart to Solidity's `int120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     */
    function toInt120(int256 value) internal pure returns (int120 downcasted) {
        downcasted = int120(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(120, value);
        }
    }

    /**
     * @dev Returns the downcasted int112 from int256, reverting on
     * overflow (when the input is less than smallest int112 or
     * greater than largest int112).
     *
     * Counterpart to Solidity's `int112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     */
    function toInt112(int256 value) internal pure returns (int112 downcasted) {
        downcasted = int112(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(112, value);
        }
    }

    /**
     * @dev Returns the downcasted int104 from int256, reverting on
     * overflow (when the input is less than smallest int104 or
     * greater than largest int104).
     *
     * Counterpart to Solidity's `int104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     */
    function toInt104(int256 value) internal pure returns (int104 downcasted) {
        downcasted = int104(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(104, value);
        }
    }

    /**
     * @dev Returns the downcasted int96 from int256, reverting on
     * overflow (when the input is less than smallest int96 or
     * greater than largest int96).
     *
     * Counterpart to Solidity's `int96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toInt96(int256 value) internal pure returns (int96 downcasted) {
        downcasted = int96(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(96, value);
        }
    }

    /**
     * @dev Returns the downcasted int88 from int256, reverting on
     * overflow (when the input is less than smallest int88 or
     * greater than largest int88).
     *
     * Counterpart to Solidity's `int88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     */
    function toInt88(int256 value) internal pure returns (int88 downcasted) {
        downcasted = int88(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(88, value);
        }
    }

    /**
     * @dev Returns the downcasted int80 from int256, reverting on
     * overflow (when the input is less than smallest int80 or
     * greater than largest int80).
     *
     * Counterpart to Solidity's `int80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     */
    function toInt80(int256 value) internal pure returns (int80 downcasted) {
        downcasted = int80(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(80, value);
        }
    }

    /**
     * @dev Returns the downcasted int72 from int256, reverting on
     * overflow (when the input is less than smallest int72 or
     * greater than largest int72).
     *
     * Counterpart to Solidity's `int72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     */
    function toInt72(int256 value) internal pure returns (int72 downcasted) {
        downcasted = int72(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(72, value);
        }
    }

    /**
     * @dev Returns the downcasted int64 from int256, reverting on
     * overflow (when the input is less than smallest int64 or
     * greater than largest int64).
     *
     * Counterpart to Solidity's `int64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toInt64(int256 value) internal pure returns (int64 downcasted) {
        downcasted = int64(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(64, value);
        }
    }

    /**
     * @dev Returns the downcasted int56 from int256, reverting on
     * overflow (when the input is less than smallest int56 or
     * greater than largest int56).
     *
     * Counterpart to Solidity's `int56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     */
    function toInt56(int256 value) internal pure returns (int56 downcasted) {
        downcasted = int56(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(56, value);
        }
    }

    /**
     * @dev Returns the downcasted int48 from int256, reverting on
     * overflow (when the input is less than smallest int48 or
     * greater than largest int48).
     *
     * Counterpart to Solidity's `int48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     */
    function toInt48(int256 value) internal pure returns (int48 downcasted) {
        downcasted = int48(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(48, value);
        }
    }

    /**
     * @dev Returns the downcasted int40 from int256, reverting on
     * overflow (when the input is less than smallest int40 or
     * greater than largest int40).
     *
     * Counterpart to Solidity's `int40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     */
    function toInt40(int256 value) internal pure returns (int40 downcasted) {
        downcasted = int40(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(40, value);
        }
    }

    /**
     * @dev Returns the downcasted int32 from int256, reverting on
     * overflow (when the input is less than smallest int32 or
     * greater than largest int32).
     *
     * Counterpart to Solidity's `int32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toInt32(int256 value) internal pure returns (int32 downcasted) {
        downcasted = int32(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(32, value);
        }
    }

    /**
     * @dev Returns the downcasted int24 from int256, reverting on
     * overflow (when the input is less than smallest int24 or
     * greater than largest int24).
     *
     * Counterpart to Solidity's `int24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     */
    function toInt24(int256 value) internal pure returns (int24 downcasted) {
        downcasted = int24(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(24, value);
        }
    }

    /**
     * @dev Returns the downcasted int16 from int256, reverting on
     * overflow (when the input is less than smallest int16 or
     * greater than largest int16).
     *
     * Counterpart to Solidity's `int16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toInt16(int256 value) internal pure returns (int16 downcasted) {
        downcasted = int16(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(16, value);
        }
    }

    /**
     * @dev Returns the downcasted int8 from int256, reverting on
     * overflow (when the input is less than smallest int8 or
     * greater than largest int8).
     *
     * Counterpart to Solidity's `int8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     */
    function toInt8(int256 value) internal pure returns (int8 downcasted) {
        downcasted = int8(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(8, value);
        }
    }

    /**
     * @dev Converts an unsigned uint256 into a signed int256.
     *
     * Requirements:
     *
     * - input must be less than or equal to maxInt256.
     */
    function toInt256(uint256 value) internal pure returns (int256) {
        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
        if (value > uint256(type(int256).max)) {
            revert SafeCastOverflowedUintToInt(value);
        }
        return int256(value);
    }
}

// SPDX-License-Identifier: Apache 2

pragma solidity ^0.8.0;

/**
 * @title WormholeRelayer
 * @author
 * @notice This project allows developers to build cross-chain applications powered by Wormhole without needing to
 * write and run their own relaying infrastructure
 *
 * We implement the IWormholeRelayer interface that allows users to request a delivery provider to relay a payload (and/or additional messages)
 * to a chain and address of their choice.
 */

/**
 * @notice VaaKey identifies a wormhole message
 *
 * @custom:member chainId Wormhole chain ID of the chain where this VAA was emitted from
 * @custom:member emitterAddress Address of the emitter of the VAA, in Wormhole bytes32 format
 * @custom:member sequence Sequence number of the VAA
 */
struct VaaKey {
    uint16 chainId;
    bytes32 emitterAddress;
    uint64 sequence;
}

// 0-127 are reserved for standardized KeyTypes, 128-255 are for custom use
uint8 constant VAA_KEY_TYPE = 1;

struct MessageKey {
    uint8 keyType; // 0-127 are reserved for standardized KeyTypes, 128-255 are for custom use
    bytes encodedKey;
}

interface IWormholeRelayerBase {
    event SendEvent(
        uint64 indexed sequence,
        uint256 deliveryQuote,
        uint256 paymentForExtraReceiverValue
    );

    function getRegisteredWormholeRelayerContract(
        uint16 chainId
    ) external view returns (bytes32);

    /**
     * @notice Returns true if a delivery has been attempted for the given deliveryHash
     * Note: invalid deliveries where the tx reverts are not considered attempted
     */
    function deliveryAttempted(
        bytes32 deliveryHash
    ) external view returns (bool attempted);

    /**
     * @notice block number at which a delivery was successfully executed
     */
    function deliverySuccessBlock(
        bytes32 deliveryHash
    ) external view returns (uint256 blockNumber);

    /**
     * @notice block number of the latest attempt to execute a delivery that failed
     */
    function deliveryFailureBlock(
        bytes32 deliveryHash
    ) external view returns (uint256 blockNumber);
}

/**
 * @title IWormholeRelayerSend
 * @notice The interface to request deliveries
 */
interface IWormholeRelayerSend is IWormholeRelayerBase {
    /**
     * @notice Publishes an instruction for the default delivery provider
     * to relay a payload to the address `targetAddress` on chain `targetChain`
     * with gas limit `gasLimit` and `msg.value` equal to `receiverValue`
     *
     * `targetAddress` must implement the IWormholeReceiver interface
     *
     * This function must be called with `msg.value` equal to `quoteEVMDeliveryPrice(targetChain, receiverValue, gasLimit)`
     *
     * Any refunds (from leftover gas) will be paid to the delivery provider. In order to receive the refunds, use the `sendPayloadToEvm` function
     * with `refundChain` and `refundAddress` as parameters
     *
     * @param targetChain in Wormhole Chain ID format
     * @param targetAddress address to call on targetChain (that implements IWormholeReceiver)
     * @param payload arbitrary bytes to pass in as parameter in call to `targetAddress`
     * @param receiverValue msg.value that delivery provider should pass in for call to `targetAddress` (in targetChain currency units)
     * @param gasLimit gas limit with which to call `targetAddress`.
     * @return sequence sequence number of published VAA containing delivery instructions
     */
    function sendPayloadToEvm(
        uint16 targetChain,
        address targetAddress,
        bytes memory payload,
        uint256 receiverValue,
        uint256 gasLimit
    ) external payable returns (uint64 sequence);

    /**
     * @notice Publishes an instruction for the default delivery provider
     * to relay a payload to the address `targetAddress` on chain `targetChain`
     * with gas limit `gasLimit` and `msg.value` equal to `receiverValue`
     *
     * Any refunds (from leftover gas) will be sent to `refundAddress` on chain `refundChain`
     * `targetAddress` must implement the IWormholeReceiver interface
     *
     * This function must be called with `msg.value` equal to `quoteEVMDeliveryPrice(targetChain, receiverValue, gasLimit)`
     *
     * @param targetChain in Wormhole Chain ID format
     * @param targetAddress address to call on targetChain (that implements IWormholeReceiver)
     * @param payload arbitrary bytes to pass in as parameter in call to `targetAddress`
     * @param receiverValue msg.value that delivery provider should pass in for call to `targetAddress` (in targetChain currency units)
     * @param gasLimit gas limit with which to call `targetAddress`. Any units of gas unused will be refunded according to the
     *        `targetChainRefundPerGasUnused` rate quoted by the delivery provider
     * @param refundChain The chain to deliver any refund to, in Wormhole Chain ID format
     * @param refundAddress The address on `refundChain` to deliver any refund to
     * @return sequence sequence number of published VAA containing delivery instructions
     */
    function sendPayloadToEvm(
        uint16 targetChain,
        address targetAddress,
        bytes memory payload,
        uint256 receiverValue,
        uint256 gasLimit,
        uint16 refundChain,
        address refundAddress
    ) external payable returns (uint64 sequence);

    /**
     * @notice Publishes an instruction for the default delivery provider
     * to relay a payload and VAAs specified by `vaaKeys` to the address `targetAddress` on chain `targetChain`
     * with gas limit `gasLimit` and `msg.value` equal to `receiverValue`
     *
     * `targetAddress` must implement the IWormholeReceiver interface
     *
     * This function must be called with `msg.value` equal to `quoteEVMDeliveryPrice(targetChain, receiverValue, gasLimit)`
     *
     * Any refunds (from leftover gas) will be paid to the delivery provider. In order to receive the refunds, use the `sendVaasToEvm` function
     * with `refundChain` and `refundAddress` as parameters
     *
     * @param targetChain in Wormhole Chain ID format
     * @param targetAddress address to call on targetChain (that implements IWormholeReceiver)
     * @param payload arbitrary bytes to pass in as parameter in call to `targetAddress`
     * @param receiverValue msg.value that delivery provider should pass in for call to `targetAddress` (in targetChain currency units)
     * @param gasLimit gas limit with which to call `targetAddress`.
     * @param vaaKeys Additional VAAs to pass in as parameter in call to `targetAddress`
     * @return sequence sequence number of published VAA containing delivery instructions
     */
    function sendVaasToEvm(
        uint16 targetChain,
        address targetAddress,
        bytes memory payload,
        uint256 receiverValue,
        uint256 gasLimit,
        VaaKey[] memory vaaKeys
    ) external payable returns (uint64 sequence);

    /**
     * @notice Publishes an instruction for the default delivery provider
     * to relay a payload and VAAs specified by `vaaKeys` to the address `targetAddress` on chain `targetChain`
     * with gas limit `gasLimit` and `msg.value` equal to `receiverValue`
     *
     * Any refunds (from leftover gas) will be sent to `refundAddress` on chain `refundChain`
     * `targetAddress` must implement the IWormholeReceiver interface
     *
     * This function must be called with `msg.value` equal to `quoteEVMDeliveryPrice(targetChain, receiverValue, gasLimit)`
     *
     * @param targetChain in Wormhole Chain ID format
     * @param targetAddress address to call on targetChain (that implements IWormholeReceiver)
     * @param payload arbitrary bytes to pass in as parameter in call to `targetAddress`
     * @param receiverValue msg.value that delivery provider should pass in for call to `targetAddress` (in targetChain currency units)
     * @param gasLimit gas limit with which to call `targetAddress`. Any units of gas unused will be refunded according to the
     *        `targetChainRefundPerGasUnused` rate quoted by the delivery provider
     * @param vaaKeys Additional VAAs to pass in as parameter in call to `targetAddress`
     * @param refundChain The chain to deliver any refund to, in Wormhole Chain ID format
     * @param refundAddress The address on `refundChain` to deliver any refund to
     * @return sequence sequence number of published VAA containing delivery instructions
     */
    function sendVaasToEvm(
        uint16 targetChain,
        address targetAddress,
        bytes memory payload,
        uint256 receiverValue,
        uint256 gasLimit,
        VaaKey[] memory vaaKeys,
        uint16 refundChain,
        address refundAddress
    ) external payable returns (uint64 sequence);

    /**
     * @notice Publishes an instruction for the delivery provider at `deliveryProviderAddress`
     * to relay a payload and VAAs specified by `vaaKeys` to the address `targetAddress` on chain `targetChain`
     * with gas limit `gasLimit` and `msg.value` equal to
     * receiverValue + (arbitrary amount that is paid for by paymentForExtraReceiverValue of this chain's wei) in targetChain wei.
     *
     * Any refunds (from leftover gas) will be sent to `refundAddress` on chain `refundChain`
     * `targetAddress` must implement the IWormholeReceiver interface
     *
     * This function must be called with `msg.value` equal to
     * quoteEVMDeliveryPrice(targetChain, receiverValue, gasLimit, deliveryProviderAddress) + paymentForExtraReceiverValue
     *
     * @param targetChain in Wormhole Chain ID format
     * @param targetAddress address to call on targetChain (that implements IWormholeReceiver)
     * @param payload arbitrary bytes to pass in as parameter in call to `targetAddress`
     * @param receiverValue msg.value that delivery provider should pass in for call to `targetAddress` (in targetChain currency units)
     * @param paymentForExtraReceiverValue amount (in current chain currency units) to spend on extra receiverValue
     *        (in addition to the `receiverValue` specified)
     * @param gasLimit gas limit with which to call `targetAddress`. Any units of gas unused will be refunded according to the
     *        `targetChainRefundPerGasUnused` rate quoted by the delivery provider
     * @param refundChain The chain to deliver any refund to, in Wormhole Chain ID format
     * @param refundAddress The address on `refundChain` to deliver any refund to
     * @param deliveryProviderAddress The address of the desired delivery provider's implementation of IDeliveryProvider
     * @param vaaKeys Additional VAAs to pass in as parameter in call to `targetAddress`
     * @param consistencyLevel Consistency level with which to publish the delivery instructions - see
     *        https://book.wormhole.com/wormhole/3_coreLayerContracts.html?highlight=consistency#consistency-levels
     * @return sequence sequence number of published VAA containing delivery instructions
     */
    function sendToEvm(
        uint16 targetChain,
        address targetAddress,
        bytes memory payload,
        uint256 receiverValue,
        uint256 paymentForExtraReceiverValue,
        uint256 gasLimit,
        uint16 refundChain,
        address refundAddress,
        address deliveryProviderAddress,
        VaaKey[] memory vaaKeys,
        uint8 consistencyLevel
    ) external payable returns (uint64 sequence);

    /**
     * @notice Publishes an instruction for the delivery provider at `deliveryProviderAddress`
     * to relay a payload and external messages specified by `messageKeys` to the address `targetAddress` on chain `targetChain`
     * with gas limit `gasLimit` and `msg.value` equal to
     * receiverValue + (arbitrary amount that is paid for by paymentForExtraReceiverValue of this chain's wei) in targetChain wei.
     *
     * Any refunds (from leftover gas) will be sent to `refundAddress` on chain `refundChain`
     * `targetAddress` must implement the IWormholeReceiver interface
     *
     * This function must be called with `msg.value` equal to
     * quoteEVMDeliveryPrice(targetChain, receiverValue, gasLimit, deliveryProviderAddress) + paymentForExtraReceiverValue
     *
     * Note: MessageKeys can specify wormhole messages (VaaKeys) or other types of messages (ex. USDC CCTP attestations). Ensure the selected
     * DeliveryProvider supports all the MessageKey.keyType values specified or it will not be delivered!
     *
     * @param targetChain in Wormhole Chain ID format
     * @param targetAddress address to call on targetChain (that implements IWormholeReceiver)
     * @param payload arbitrary bytes to pass in as parameter in call to `targetAddress`
     * @param receiverValue msg.value that delivery provider should pass in for call to `targetAddress` (in targetChain currency units)
     * @param paymentForExtraReceiverValue amount (in current chain currency units) to spend on extra receiverValue
     *        (in addition to the `receiverValue` specified)
     * @param gasLimit gas limit with which to call `targetAddress`. Any units of gas unused will be refunded according to the
     *        `targetChainRefundPerGasUnused` rate quoted by the delivery provider
     * @param refundChain The chain to deliver any refund to, in Wormhole Chain ID format
     * @param refundAddress The address on `refundChain` to deliver any refund to
     * @param deliveryProviderAddress The address of the desired delivery provider's implementation of IDeliveryProvider
     * @param messageKeys Additional messagess to pass in as parameter in call to `targetAddress`
     * @param consistencyLevel Consistency level with which to publish the delivery instructions - see
     *        https://book.wormhole.com/wormhole/3_coreLayerContracts.html?highlight=consistency#consistency-levels
     * @return sequence sequence number of published VAA containing delivery instructions
     */
    function sendToEvm(
        uint16 targetChain,
        address targetAddress,
        bytes memory payload,
        uint256 receiverValue,
        uint256 paymentForExtraReceiverValue,
        uint256 gasLimit,
        uint16 refundChain,
        address refundAddress,
        address deliveryProviderAddress,
        MessageKey[] memory messageKeys,
        uint8 consistencyLevel
    ) external payable returns (uint64 sequence);

    /**
     * @notice Publishes an instruction for the delivery provider at `deliveryProviderAddress`
     * to relay a payload and VAAs specified by `vaaKeys` to the address `targetAddress` on chain `targetChain`
     * with `msg.value` equal to
     * receiverValue + (arbitrary amount that is paid for by paymentForExtraReceiverValue of this chain's wei) in targetChain wei.
     *
     * Any refunds (from leftover gas) will be sent to `refundAddress` on chain `refundChain`
     * `targetAddress` must implement the IWormholeReceiver interface
     *
     * This function must be called with `msg.value` equal to
     * quoteDeliveryPrice(targetChain, receiverValue, encodedExecutionParameters, deliveryProviderAddress) + paymentForExtraReceiverValue
     *
     * @param targetChain in Wormhole Chain ID format
     * @param targetAddress address to call on targetChain (that implements IWormholeReceiver), in Wormhole bytes32 format
     * @param payload arbitrary bytes to pass in as parameter in call to `targetAddress`
     * @param receiverValue msg.value that delivery provider should pass in for call to `targetAddress` (in targetChain currency units)
     * @param paymentForExtraReceiverValue amount (in current chain currency units) to spend on extra receiverValue
     *        (in addition to the `receiverValue` specified)
     * @param encodedExecutionParameters encoded information on how to execute delivery that may impact pricing
     *        e.g. for version EVM_V1, this is a struct that encodes the `gasLimit` with which to call `targetAddress`
     * @param refundChain The chain to deliver any refund to, in Wormhole Chain ID format
     * @param refundAddress The address on `refundChain` to deliver any refund to, in Wormhole bytes32 format
     * @param deliveryProviderAddress The address of the desired delivery provider's implementation of IDeliveryProvider
     * @param vaaKeys Additional VAAs to pass in as parameter in call to `targetAddress`
     * @param consistencyLevel Consistency level with which to publish the delivery instructions - see
     *        https://book.wormhole.com/wormhole/3_coreLayerContracts.html?highlight=consistency#consistency-levels
     * @return sequence sequence number of published VAA containing delivery instructions
     */
    function send(
        uint16 targetChain,
        bytes32 targetAddress,
        bytes memory payload,
        uint256 receiverValue,
        uint256 paymentForExtraReceiverValue,
        bytes memory encodedExecutionParameters,
        uint16 refundChain,
        bytes32 refundAddress,
        address deliveryProviderAddress,
        VaaKey[] memory vaaKeys,
        uint8 consistencyLevel
    ) external payable returns (uint64 sequence);

    /**
     * @notice Publishes an instruction for the delivery provider at `deliveryProviderAddress`
     * to relay a payload and VAAs specified by `vaaKeys` to the address `targetAddress` on chain `targetChain`
     * with `msg.value` equal to
     * receiverValue + (arbitrary amount that is paid for by paymentForExtraReceiverValue of this chain's wei) in targetChain wei.
     *
     * Any refunds (from leftover gas) will be sent to `refundAddress` on chain `refundChain`
     * `targetAddress` must implement the IWormholeReceiver interface
     *
     * This function must be called with `msg.value` equal to
     * quoteDeliveryPrice(targetChain, receiverValue, encodedExecutionParameters, deliveryProviderAddress) + paymentForExtraReceiverValue
     *
     * Note: MessageKeys can specify wormhole messages (VaaKeys) or other types of messages (ex. USDC CCTP attestations). Ensure the selected
     * DeliveryProvider supports all the MessageKey.keyType values specified or it will not be delivered!
     *
     * @param targetChain in Wormhole Chain ID format
     * @param targetAddress address to call on targetChain (that implements IWormholeReceiver), in Wormhole bytes32 format
     * @param payload arbitrary bytes to pass in as parameter in call to `targetAddress`
     * @param receiverValue msg.value that delivery provider should pass in for call to `targetAddress` (in targetChain currency units)
     * @param paymentForExtraReceiverValue amount (in current chain currency units) to spend on extra receiverValue
     *        (in addition to the `receiverValue` specified)
     * @param encodedExecutionParameters encoded information on how to execute delivery that may impact pricing
     *        e.g. for version EVM_V1, this is a struct that encodes the `gasLimit` with which to call `targetAddress`
     * @param refundChain The chain to deliver any refund to, in Wormhole Chain ID format
     * @param refundAddress The address on `refundChain` to deliver any refund to, in Wormhole bytes32 format
     * @param deliveryProviderAddress The address of the desired delivery provider's implementation of IDeliveryProvider
     * @param messageKeys Additional messagess to pass in as parameter in call to `targetAddress`
     * @param consistencyLevel Consistency level with which to publish the delivery instructions - see
     *        https://book.wormhole.com/wormhole/3_coreLayerContracts.html?highlight=consistency#consistency-levels
     * @return sequence sequence number of published VAA containing delivery instructions
     */
    function send(
        uint16 targetChain,
        bytes32 targetAddress,
        bytes memory payload,
        uint256 receiverValue,
        uint256 paymentForExtraReceiverValue,
        bytes memory encodedExecutionParameters,
        uint16 refundChain,
        bytes32 refundAddress,
        address deliveryProviderAddress,
        MessageKey[] memory messageKeys,
        uint8 consistencyLevel
    ) external payable returns (uint64 sequence);

    /**
     * @notice Requests a previously published delivery instruction to be redelivered
     * (e.g. with a different delivery provider)
     *
     * This function must be called with `msg.value` equal to
     * quoteEVMDeliveryPrice(targetChain, newReceiverValue, newGasLimit, newDeliveryProviderAddress)
     *
     *  @notice *** This will only be able to succeed if the following is true **
     *         - newGasLimit >= gas limit of the old instruction
     *         - newReceiverValue >= receiver value of the old instruction
     *         - newDeliveryProvider's `targetChainRefundPerGasUnused` >= old relay provider's `targetChainRefundPerGasUnused`
     *
     * @param deliveryVaaKey VaaKey identifying the wormhole message containing the
     *        previously published delivery instructions
     * @param targetChain The target chain that the original delivery targeted. Must match targetChain from original delivery instructions
     * @param newReceiverValue new msg.value that delivery provider should pass in for call to `targetAddress` (in targetChain currency units)
     * @param newGasLimit gas limit with which to call `targetAddress`. Any units of gas unused will be refunded according to the
     *        `targetChainRefundPerGasUnused` rate quoted by the delivery provider, to the refund chain and address specified in the original request
     * @param newDeliveryProviderAddress The address of the desired delivery provider's implementation of IDeliveryProvider
     * @return sequence sequence number of published VAA containing redelivery instructions
     *
     * @notice *** This will only be able to succeed if the following is true **
     *         - newGasLimit >= gas limit of the old instruction
     *         - newReceiverValue >= receiver value of the old instruction
     */
    function resendToEvm(
        VaaKey memory deliveryVaaKey,
        uint16 targetChain,
        uint256 newReceiverValue,
        uint256 newGasLimit,
        address newDeliveryProviderAddress
    ) external payable returns (uint64 sequence);

    /**
     * @notice Requests a previously published delivery instruction to be redelivered
     *
     *
     * This function must be called with `msg.value` equal to
     * quoteDeliveryPrice(targetChain, newReceiverValue, newEncodedExecutionParameters, newDeliveryProviderAddress)
     *
     * @param deliveryVaaKey VaaKey identifying the wormhole message containing the
     *        previously published delivery instructions
     * @param targetChain The target chain that the original delivery targeted. Must match targetChain from original delivery instructions
     * @param newReceiverValue new msg.value that delivery provider should pass in for call to `targetAddress` (in targetChain currency units)
     * @param newEncodedExecutionParameters new encoded information on how to execute delivery that may impact pricing
     *        e.g. for version EVM_V1, this is a struct that encodes the `gasLimit` with which to call `targetAddress`
     * @param newDeliveryProviderAddress The address of the desired delivery provider's implementation of IDeliveryProvider
     * @return sequence sequence number of published VAA containing redelivery instructions
     *
     *  @notice *** This will only be able to succeed if the following is true **
     *         - (For EVM_V1) newGasLimit >= gas limit of the old instruction
     *         - newReceiverValue >= receiver value of the old instruction
     *         - (For EVM_V1) newDeliveryProvider's `targetChainRefundPerGasUnused` >= old relay provider's `targetChainRefundPerGasUnused`
     */
    function resend(
        VaaKey memory deliveryVaaKey,
        uint16 targetChain,
        uint256 newReceiverValue,
        bytes memory newEncodedExecutionParameters,
        address newDeliveryProviderAddress
    ) external payable returns (uint64 sequence);

    /**
     * @notice Returns the price to request a relay to chain `targetChain`, using the default delivery provider
     *
     * @param targetChain in Wormhole Chain ID format
     * @param receiverValue msg.value that delivery provider should pass in for call to `targetAddress` (in targetChain currency units)
     * @param gasLimit gas limit with which to call `targetAddress`.
     * @return nativePriceQuote Price, in units of current chain currency, that the delivery provider charges to perform the relay
     * @return targetChainRefundPerGasUnused amount of target chain currency that will be refunded per unit of gas unused,
     *         if a refundAddress is specified.
     *         Note: This value can be overridden by the delivery provider on the target chain. The returned value here should be considered to be a
     *         promise by the delivery provider of the amount of refund per gas unused that will be returned to the refundAddress at the target chain.
     *         If a delivery provider decides to override, this will be visible as part of the emitted Delivery event on the target chain.
     */
    function quoteEVMDeliveryPrice(
        uint16 targetChain,
        uint256 receiverValue,
        uint256 gasLimit
    )
        external
        view
        returns (
            uint256 nativePriceQuote,
            uint256 targetChainRefundPerGasUnused
        );

    /**
     * @notice Returns the price to request a relay to chain `targetChain`, using delivery provider `deliveryProviderAddress`
     *
     * @param targetChain in Wormhole Chain ID format
     * @param receiverValue msg.value that delivery provider should pass in for call to `targetAddress` (in targetChain currency units)
     * @param gasLimit gas limit with which to call `targetAddress`.
     * @param deliveryProviderAddress The address of the desired delivery provider's implementation of IDeliveryProvider
     * @return nativePriceQuote Price, in units of current chain currency, that the delivery provider charges to perform the relay
     * @return targetChainRefundPerGasUnused amount of target chain currency that will be refunded per unit of gas unused,
     *         if a refundAddress is specified
     *         Note: This value can be overridden by the delivery provider on the target chain. The returned value here should be considered to be a
     *         promise by the delivery provider of the amount of refund per gas unused that will be returned to the refundAddress at the target chain.
     *         If a delivery provider decides to override, this will be visible as part of the emitted Delivery event on the target chain.
     */
    function quoteEVMDeliveryPrice(
        uint16 targetChain,
        uint256 receiverValue,
        uint256 gasLimit,
        address deliveryProviderAddress
    )
        external
        view
        returns (
            uint256 nativePriceQuote,
            uint256 targetChainRefundPerGasUnused
        );

    /**
     * @notice Returns the price to request a relay to chain `targetChain`, using delivery provider `deliveryProviderAddress`
     *
     * @param targetChain in Wormhole Chain ID format
     * @param receiverValue msg.value that delivery provider should pass in for call to `targetAddress` (in targetChain currency units)
     * @param encodedExecutionParameters encoded information on how to execute delivery that may impact pricing
     *        e.g. for version EVM_V1, this is a struct that encodes the `gasLimit` with which to call `targetAddress`
     * @param deliveryProviderAddress The address of the desired delivery provider's implementation of IDeliveryProvider
     * @return nativePriceQuote Price, in units of current chain currency, that the delivery provider charges to perform the relay
     * @return encodedExecutionInfo encoded information on how the delivery will be executed
     *        e.g. for version EVM_V1, this is a struct that encodes the `gasLimit` and `targetChainRefundPerGasUnused`
     *             (which is the amount of target chain currency that will be refunded per unit of gas unused,
     *              if a refundAddress is specified)
     */
    function quoteDeliveryPrice(
        uint16 targetChain,
        uint256 receiverValue,
        bytes memory encodedExecutionParameters,
        address deliveryProviderAddress
    )
        external
        view
        returns (uint256 nativePriceQuote, bytes memory encodedExecutionInfo);

    /**
     * @notice Returns the (extra) amount of target chain currency that `targetAddress`
     * will be called with, if the `paymentForExtraReceiverValue` field is set to `currentChainAmount`
     *
     * @param targetChain in Wormhole Chain ID format
     * @param currentChainAmount The value that `paymentForExtraReceiverValue` will be set to
     * @param deliveryProviderAddress The address of the desired delivery provider's implementation of IDeliveryProvider
     * @return targetChainAmount The amount such that if `targetAddress` will be called with `msg.value` equal to
     *         receiverValue + targetChainAmount
     */
    function quoteNativeForChain(
        uint16 targetChain,
        uint256 currentChainAmount,
        address deliveryProviderAddress
    ) external view returns (uint256 targetChainAmount);

    /**
     * @notice Returns the address of the current default delivery provider
     * @return deliveryProvider The address of (the default delivery provider)'s contract on this source
     *   chain. This must be a contract that implements IDeliveryProvider.
     */
    function getDefaultDeliveryProvider()
        external
        view
        returns (address deliveryProvider);
}

/**
 * @title IWormholeRelayerDelivery
 * @notice The interface to execute deliveries. Only relevant for Delivery Providers
 */
interface IWormholeRelayerDelivery is IWormholeRelayerBase {
    enum DeliveryStatus {
        SUCCESS,
        RECEIVER_FAILURE
    }

    enum RefundStatus {
        REFUND_SENT,
        REFUND_FAIL,
        CROSS_CHAIN_REFUND_SENT,
        CROSS_CHAIN_REFUND_FAIL_PROVIDER_NOT_SUPPORTED,
        CROSS_CHAIN_REFUND_FAIL_NOT_ENOUGH,
        NO_REFUND_REQUESTED
    }

    /**
     * @custom:member recipientContract - The target contract address
     * @custom:member sourceChain - The chain which this delivery was requested from (in wormhole
     *     ChainID format)
     * @custom:member sequence - The wormhole sequence number of the delivery VAA on the source chain
     *     corresponding to this delivery request
     * @custom:member deliveryVaaHash - The hash of the delivery VAA corresponding to this delivery
     *     request
     * @custom:member gasUsed - The amount of gas that was used to call your target contract
     * @custom:member status:
     *   - RECEIVER_FAILURE, if the target contract reverts
     *   - SUCCESS, if the target contract doesn't revert
     * @custom:member additionalStatusInfo:
     *   - If status is SUCCESS, then this is empty.
     *   - If status is RECEIVER_FAILURE, this is `RETURNDATA_TRUNCATION_THRESHOLD` bytes of the
     *       return data (i.e. potentially truncated revert reason information).
     * @custom:member refundStatus - Result of the refund. REFUND_SUCCESS or REFUND_FAIL are for
     *     refunds where targetChain=refundChain; the others are for targetChain!=refundChain,
     *     where a cross chain refund is necessary, or if the default code path is used where no refund is requested (NO_REFUND_REQUESTED)
     * @custom:member overridesInfo:
     *   - If not an override: empty bytes array
     *   - Otherwise: An encoded `DeliveryOverride`
     */
    event Delivery(
        address indexed recipientContract,
        uint16 indexed sourceChain,
        uint64 indexed sequence,
        bytes32 deliveryVaaHash,
        DeliveryStatus status,
        uint256 gasUsed,
        RefundStatus refundStatus,
        bytes additionalStatusInfo,
        bytes overridesInfo
    );

    /**
     * @notice The delivery provider calls `deliver` to relay messages as described by one delivery instruction
     *
     * The delivery provider must pass in the specified (by VaaKeys[]) signed wormhole messages (VAAs) from the source chain
     * as well as the signed wormhole message with the delivery instructions (the delivery VAA)
     *
     * The messages will be relayed to the target address (with the specified gas limit and receiver value) iff the following checks are met:
     * - the delivery VAA has a valid signature
     * - the delivery VAA's emitter is one of these WormholeRelayer contracts
     * - the delivery provider passed in at least enough of this chain's currency as msg.value (enough meaning the maximum possible refund)
     * - the instruction's target chain is this chain
     * - the relayed signed VAAs match the descriptions in container.messages (the VAA hashes match, or the emitter address, sequence number pair matches, depending on the description given)
     *
     * @param encodedVMs - An array of signed wormhole messages (all from the same source chain
     *     transaction)
     * @param encodedDeliveryVAA - Signed wormhole message from the source chain's WormholeRelayer
     *     contract with payload being the encoded delivery instruction container
     * @param relayerRefundAddress - The address to which any refunds to the delivery provider
     *     should be sent
     * @param deliveryOverrides - Optional overrides field which must be either an empty bytes array or
     *     an encoded DeliveryOverride struct
     */
    function deliver(
        bytes[] memory encodedVMs,
        bytes memory encodedDeliveryVAA,
        address payable relayerRefundAddress,
        bytes memory deliveryOverrides
    ) external payable;
}

interface IWormholeRelayer is IWormholeRelayerDelivery, IWormholeRelayerSend {}

/*
 *  Errors thrown by IWormholeRelayer contract
 */

// Bound chosen by the following formula: `memoryWord * 4 + selectorSize`.
// This means that an error identifier plus four fixed size arguments should be available to developers.
// In the case of a `require` revert with error message, this should provide 2 memory word's worth of data.
uint256 constant RETURNDATA_TRUNCATION_THRESHOLD = 132;

//When msg.value was not equal to `delivery provider's quoted delivery price` + `paymentForExtraReceiverValue`
error InvalidMsgValue(uint256 msgValue, uint256 totalFee);

error RequestedGasLimitTooLow();

error DeliveryProviderDoesNotSupportTargetChain(
    address relayer,
    uint16 chainId
);
error DeliveryProviderCannotReceivePayment();
error DeliveryProviderDoesNotSupportMessageKeyType(uint8 keyType);

//When calling `delivery()` a second time even though a delivery is already in progress
error ReentrantDelivery(address msgSender, address lockedBy);

error InvalidPayloadId(uint8 parsed, uint8 expected);
error InvalidPayloadLength(uint256 received, uint256 expected);
error InvalidVaaKeyType(uint8 parsed);
error TooManyMessageKeys(uint256 numMessageKeys);

error InvalidDeliveryVaa(string reason);
//When the delivery VAA (signed wormhole message with delivery instructions) was not emitted by the
//  registered WormholeRelayer contract
error InvalidEmitter(bytes32 emitter, bytes32 registered, uint16 chainId);
error MessageKeysLengthDoesNotMatchMessagesLength(uint256 keys, uint256 vaas);
error VaaKeysDoNotMatchVaas(uint8 index);
//When someone tries to call an external function of the WormholeRelayer that is only intended to be
//  called by the WormholeRelayer itself (to allow retroactive reverts for atomicity)
error RequesterNotWormholeRelayer();

//When trying to relay a `DeliveryInstruction` to any other chain but the one it was specified for
error TargetChainIsNotThisChain(uint16 targetChain);
//When a `DeliveryOverride` contains a gas limit that's less than the original
error InvalidOverrideGasLimit();
//When a `DeliveryOverride` contains a receiver value that's less than the original
error InvalidOverrideReceiverValue();
//When a `DeliveryOverride` contains a 'refund per unit of gas unused' that's less than the original
error InvalidOverrideRefundPerGasUnused();

//When the delivery provider doesn't pass in sufficient funds (i.e. msg.value does not cover the
// maximum possible refund to the user)
error InsufficientRelayerFunds(uint256 msgValue, uint256 minimum);

//When a bytes32 field can't be converted into a 20 byte EVM address, because the 12 padding bytes
//  are non-zero (duplicated from Utils.sol)
error NotAnEvmAddress(bytes32);

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.22;

/**
 * @title IChainlinkAggregator
 * @author Chainlink
 * @dev Copied from https://github.com/smartcontractkit/chainlink/blob/master/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol
 * @notice Interface for Chainlink V3 aggregator contract
 */
interface IChainlinkV3Aggregator {
  /**
   * @notice The number of decimals the price is formatted with
   */
  function decimals() external view returns (uint8);

  /**
   * @notice The description of the aggregator
   */
  function description() external view returns (string memory);

  /**
   * @notice The version number of the aggregator
   */
  function version() external view returns (uint256);

  /**
   * @notice Get the data from the latest round
   * @return roundId The round ID
   * @return answer The current price
   * @return startedAt The timestamp of when the round started
   * @return updatedAt The timestamp of when the round was updated
   * @return answeredInRound (Deprecated) Previously used when answers could take multiple rounds to be computed
   */
  function latestRoundData()
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity ^0.8.22;

/**
 * @title IPriceFeedSender
 * @author StakeWise
 * @notice Interface for the PriceFeedSender contract
 */
interface IPriceFeedSender {
    /**
     * @notice Function for calculating the cost of the rate sync
     * @param targetChain The Wormhole chain ID of the target chain
     * @return cost The cost of the rate sync
     */
    function quoteRateSync(uint16 targetChain) external view returns (uint256 cost);

    /**
     * @notice Function for syncing the rate to the target chain. Must be called with the exact cost of the rate sync.
     * @param targetChain The Wormhole chain ID of the target chain
     * @param targetAddress The address of the rate receiver on the target chain
     */
    function syncRate(uint16 targetChain, address targetAddress) external payable;
}

{
  "remappings": [
    "@openzeppelin/=lib/openzeppelin-contracts/",
    "@wormhole-solidity-sdk/=lib/wormhole-solidity-sdk/src/",
    "@stakewise-core/=lib/v3-core/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "ds-test/=lib/wormhole-solidity-sdk/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-gas-snapshot/=lib/forge-gas-snapshot/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "v3-core/=lib/v3-core/contracts/",
    "wormhole-solidity-sdk/=lib/wormhole-solidity-sdk/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": true,
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"priceFeed","type":"address"},{"internalType":"address","name":"wormholeRelayer","type":"address"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"uint16","name":"chainId","type":"uint16"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"InsufficientFunds","type":"error"},{"inputs":[{"internalType":"int256","name":"value","type":"int256"}],"name":"SafeCastOverflowedIntToUint","type":"error"},{"inputs":[{"internalType":"uint8","name":"bits","type":"uint8"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"SafeCastOverflowedUintDowncast","type":"error"},{"inputs":[{"internalType":"uint16","name":"targetChain","type":"uint16"}],"name":"quoteRateSync","outputs":[{"internalType":"uint256","name":"cost","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"targetChain","type":"uint16"},{"internalType":"address","name":"targetAddress","type":"address"}],"name":"syncRate","outputs":[],"stateMutability":"payable","type":"function"}]

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0000000000000000000000008023518b2192fb5384dadc596765b3dd1cdfe47100000000000000000000000027428dd2d3dd32a4d7f7c497eaaa23130d89491100000000000000000000000000000000000000000000000000000000000249f00000000000000000000000000000000000000000000000000000000000000002

-----Decoded View---------------
Arg [0] : priceFeed (address): 0x8023518b2192FB5384DAdc596765B3dD1cdFe471
Arg [1] : wormholeRelayer (address): 0x27428DD2d3DD32A4D7f7C497eAaa23130d894911
Arg [2] : gasLimit (uint256): 150000
Arg [3] : chainId (uint16): 2

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000008023518b2192fb5384dadc596765b3dd1cdfe471
Arg [1] : 00000000000000000000000027428dd2d3dd32a4d7f7c497eaaa23130d894911
Arg [2] : 00000000000000000000000000000000000000000000000000000000000249f0
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000002