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// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity ^0.8.20;

import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
import { IRouterClient } from "@chainlink/contracts-ccip/src/v0.8/ccip/interfaces/IRouterClient.sol";
import { Client } from "@chainlink/contracts-ccip/src/v0.8/ccip/libraries/Client.sol";
import { Reporter } from "../Reporter.sol";

contract CCIPReporter is Reporter, Ownable {
    string public constant PROVIDER = "ccip";

    IRouterClient public immutable CCIP_ROUTER;

    uint256 public fee;
    mapping(uint256 => uint64) public chainSelectors;

    error ChainSelectorNotAvailable();

    event ChainSelectorSet(uint256 indexed chainId, uint64 indexed chainSelector);
    event FeeSet(uint256 fee);

    constructor(address headerStorage, address yaho, address ccipRouter) Reporter(headerStorage, yaho) {
        CCIP_ROUTER = IRouterClient(ccipRouter);
    }

    function setChainSelectorByChainId(uint256 chainId, uint64 chainSelector) external onlyOwner {
        chainSelectors[chainId] = chainSelector;
        emit ChainSelectorSet(chainId, chainSelector);
    }

    function setFee(uint256 fee_) external onlyOwner {
        fee = fee_;
        emit FeeSet(fee_);
    }

    function _dispatch(
        uint256 targetChainId,
        address adapter,
        uint256[] memory ids,
        bytes32[] memory hashes
    ) internal override returns (bytes32) {
        uint64 targetChainSelector = chainSelectors[targetChainId];
        if (targetChainSelector == 0) revert ChainSelectorNotAvailable();
        bytes memory payload = abi.encode(ids, hashes);
        Client.EVM2AnyMessage memory message = Client.EVM2AnyMessage({
            receiver: abi.encode(adapter),
            data: payload,
            tokenAmounts: new Client.EVMTokenAmount[](0), // Empty array - no tokens are transferred
            extraArgs: Client._argsToBytes(Client.EVMExtraArgsV1({ gasLimit: 200_000, strict: false })),
            feeToken: address(0) // Pay fees with native
        });
        CCIP_ROUTER.ccipSend{ value: fee }(targetChainSelector, message);
        return bytes32(0);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {Client} from "../libraries/Client.sol";

interface IRouterClient {
  error UnsupportedDestinationChain(uint64 destChainSelector);
  error InsufficientFeeTokenAmount();
  error InvalidMsgValue();

  /// @notice Checks if the given chain ID is supported for sending/receiving.
  /// @param chainSelector The chain to check.
  /// @return supported is true if it is supported, false if not.
  function isChainSupported(uint64 chainSelector) external view returns (bool supported);

  /// @notice Gets a list of all supported tokens which can be sent or received
  /// to/from a given chain id.
  /// @param chainSelector The chainSelector.
  /// @return tokens The addresses of all tokens that are supported.
  function getSupportedTokens(uint64 chainSelector) external view returns (address[] memory tokens);

  /// @param destinationChainSelector The destination chainSelector
  /// @param message The cross-chain CCIP message including data and/or tokens
  /// @return fee returns guaranteed execution fee for the specified message
  /// delivery to destination chain
  /// @dev returns 0 fee on invalid message.
  function getFee(
    uint64 destinationChainSelector,
    Client.EVM2AnyMessage memory message
  ) external view returns (uint256 fee);

  /// @notice Request a message to be sent to the destination chain
  /// @param destinationChainSelector The destination chain ID
  /// @param message The cross-chain CCIP message including data and/or tokens
  /// @return messageId The message ID
  /// @dev Note if msg.value is larger than the required fee (from getFee) we accept
  /// the overpayment with no refund.
  function ccipSend(
    uint64 destinationChainSelector,
    Client.EVM2AnyMessage calldata message
  ) external payable returns (bytes32);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

// End consumer library.
library Client {
  struct EVMTokenAmount {
    address token; // token address on the local chain.
    uint256 amount; // Amount of tokens.
  }

  struct Any2EVMMessage {
    bytes32 messageId; // MessageId corresponding to ccipSend on source.
    uint64 sourceChainSelector; // Source chain selector.
    bytes sender; // abi.decode(sender) if coming from an EVM chain.
    bytes data; // payload sent in original message.
    EVMTokenAmount[] destTokenAmounts; // Tokens and their amounts in their destination chain representation.
  }

  // If extraArgs is empty bytes, the default is 200k gas limit and strict = false.
  struct EVM2AnyMessage {
    bytes receiver; // abi.encode(receiver address) for dest EVM chains
    bytes data; // Data payload
    EVMTokenAmount[] tokenAmounts; // Token transfers
    address feeToken; // Address of feeToken. address(0) means you will send msg.value.
    bytes extraArgs; // Populate this with _argsToBytes(EVMExtraArgsV1)
  }

  // extraArgs will evolve to support new features
  // bytes4(keccak256("CCIP EVMExtraArgsV1"));
  bytes4 public constant EVM_EXTRA_ARGS_V1_TAG = 0x97a657c9;
  struct EVMExtraArgsV1 {
    uint256 gasLimit; // ATTENTION!!! MAX GAS LIMIT 4M FOR BETA TESTING
    bool strict; // See strict sequencing details below.
  }

  function _argsToBytes(EVMExtraArgsV1 memory extraArgs) internal pure returns (bytes memory bts) {
    return abi.encodeWithSelector(EVM_EXTRA_ARGS_V1_TAG, extraArgs);
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity ^0.8.20;

import { IHeaderStorage } from "../interfaces/IHeaderStorage.sol";
import { IReporter } from "../interfaces/IReporter.sol";
import { IAdapter } from "../interfaces/IAdapter.sol";

abstract contract Reporter is IReporter {
    address public immutable HEADER_STORAGE;
    address public immutable YAHO;

    modifier onlyYaho() {
        if (msg.sender != YAHO) revert NotYaho(msg.sender, YAHO);
        _;
    }

    constructor(address headerStorage, address yaho) {
        HEADER_STORAGE = headerStorage;
        YAHO = yaho;
    }

    /// @inheritdoc IReporter
    function dispatchBlocks(
        uint256 targetChainId,
        IAdapter adapter,
        uint256[] memory blockNumbers
    ) external payable returns (bytes32) {
        bytes32[] memory blockHeaders = IHeaderStorage(HEADER_STORAGE).storeBlockHeaders(blockNumbers);
        for (uint256 i = 0; i < blockNumbers.length; ) {
            emit BlockDispatched(targetChainId, adapter, blockNumbers[i], blockHeaders[i]);
            unchecked {
                ++i;
            }
        }
        return _dispatch(targetChainId, address(adapter), blockNumbers, blockHeaders);
    }

    /// @inheritdoc IReporter
    function dispatchMessages(
        uint256 targetChainId,
        IAdapter adapter,
        uint256[] memory messageIds,
        bytes32[] memory messageHashes
    ) external payable onlyYaho returns (bytes32) {
        for (uint256 i = 0; i < messageIds.length; ) {
            emit MessageDispatched(targetChainId, adapter, messageIds[i], messageHashes[i]);
            unchecked {
                ++i;
            }
        }
        return _dispatch(targetChainId, address(adapter), messageIds, messageHashes);
    }

    function _dispatch(
        uint256 targetChainId,
        address adapter,
        uint256[] memory ids,
        bytes32[] memory hashes
    ) internal virtual returns (bytes32);
}

// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity ^0.8.0;

/**
 * @title IAdapter
 */
interface IAdapter {
    error ConflictingBlockHeader(uint256 blockNumber, bytes32 blockHash, bytes32 storedBlockHash);
    error InvalidBlockHeaderLength(uint256 length);
    error InvalidBlockHeaderRLP();

    /**
     * @dev Emitted when a hash is stored.
     * @param id - The ID of the stored hash.
     * @param hash - The stored hash as bytes32 values.
     */
    event HashStored(uint256 indexed id, bytes32 indexed hash);

    /**
     * @dev Returns the hash for a given ID.
     * @param domain - Identifier for the domain to query.
     * @param id - Identifier for the ID to query.
     * @return hash Bytes32 hash for the given ID on the given domain.
     * @notice MUST return bytes32(0) if the hash is not present.
     */
    function getHash(uint256 domain, uint256 id) external view returns (bytes32 hash);
}

// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity ^0.8.0;

/**
 * @title IHeaderStorage
 */
interface IHeaderStorage {
    error HeaderOutOfRange(uint256 blockNumber);

    /**
     * @dev Emitted when a block header is stored.
     * @param blockNumber - The block number associated with the stored header.
     * @param blockHeader - The stored block header as a bytes32 value.
     */
    event HeaderStored(uint256 indexed blockNumber, bytes32 indexed blockHeader);

    /**
     * @dev Retrieves the stored block header for a specific block number.
     * @param blockNumber - The block number as a uint256 value.
     * @return The block header as a bytes32 value.
     */
    function headers(uint256 blockNumber) external view returns (bytes32);

    /**
     * @dev Stores and returns the header for the given block.
     * @param blockNumber - Block number.
     * @return blockHeader - Block header stored.
     * @notice Reverts if the given block header was not previously stored and is now out of range.
     */
    function storeBlockHeader(uint256 blockNumber) external returns (bytes32);

    /**
     * @dev Stores and returns the header for an array of given blocks.
     * @param blockNumbers - Array of block numbers.
     * @return blockHeaders - Array of block headers stored.
     * @notice Reverts if the given block header was not previously stored and is now out of range.
     */
    function storeBlockHeaders(uint256[] memory blockNumbers) external returns (bytes32[] memory);
}

// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity ^0.8.0;

import { IAdapter } from "./IAdapter.sol";

interface IReporter {
    error NotYaho(address sender, address expectedYaho);

    /**
     * @dev Emitted when a block is dispatched to another chain.
     * @param targetChainId - The target chain's identifier associated with the dispatched block.
     * @param adapter - The adapter address associated with the dispatched block.
     * @param blockNumber - The block number associated with the dispatched block.
     * @param blockHeader - The dispatched block header as a bytes32 value.
     */
    event BlockDispatched(
        uint256 indexed targetChainId,
        IAdapter adapter,
        uint256 indexed blockNumber,
        bytes32 blockHeader
    );

    /**
     * @dev Emitted when a message is dispatched to another chain.
     * @param targetChainId - The target chain's identifier associated with the dispatched message.
     * @param adapter - The adapter address associated with the dispatched message.
     * @param messageId - The message identifier associated with the dispatched message.
     * @param messageHash - The dispatched message hash as a bytes32 value.
     */
    event MessageDispatched(
        uint256 indexed targetChainId,
        IAdapter adapter,
        uint256 indexed messageId,
        bytes32 messageHash
    );

    /**
     * @dev Dispatches blocks to a given adapter on the target chaib.
     * @param targetChainId - The target chain's Uint256 identifier.
     * @param adapter - The adapter instance to use.
     * @param blockNumbers - An array of Uint256 block numbers to dispatch.
     * @notice blockNumbers must include block numbers that are greater than or equal to (currentBlock - 256) due to EVM limitations.
     * @return result - The result returned by the adapter as bytes.
     */
    function dispatchBlocks(
        uint256 targetChainId,
        IAdapter adapter,
        uint256[] memory blockNumbers
    ) external payable returns (bytes32);

    /**
     * @dev Dispatches messages to a target chain using the specified adapter.
     * @param targetChainId - The target chain's Uint256 identifier.
     * @param adapter - The adapter instance to use.
     * @param messageIds - An array of Uint256 message identifiers.
     * @param messageHashes - An array of bytes32 message hashes.
     * @notice This function can be called only by Yaho
     * @return result - The result returned by the adapter as bytes.
     */
    function dispatchMessages(
        uint256 targetChainId,
        IAdapter adapter,
        uint256[] memory messageIds,
        bytes32[] memory messageHashes
    ) external payable returns (bytes32);
}

{
  "viaIR": true,
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "evmVersion": "paris",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"headerStorage","type":"address"},{"internalType":"address","name":"yaho","type":"address"},{"internalType":"address","name":"ccipRouter","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ChainSelectorNotAvailable","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"expectedYaho","type":"address"}],"name":"NotYaho","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"targetChainId","type":"uint256"},{"indexed":false,"internalType":"contract IAdapter","name":"adapter","type":"address"},{"indexed":true,"internalType":"uint256","name":"blockNumber","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"blockHeader","type":"bytes32"}],"name":"BlockDispatched","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"chainId","type":"uint256"},{"indexed":true,"internalType":"uint64","name":"chainSelector","type":"uint64"}],"name":"ChainSelectorSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"fee","type":"uint256"}],"name":"FeeSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"targetChainId","type":"uint256"},{"indexed":false,"internalType":"contract IAdapter","name":"adapter","type":"address"},{"indexed":true,"internalType":"uint256","name":"messageId","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"messageHash","type":"bytes32"}],"name":"MessageDispatched","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"CCIP_ROUTER","outputs":[{"internalType":"contract IRouterClient","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"HEADER_STORAGE","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PROVIDER","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"YAHO","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"chainSelectors","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"targetChainId","type":"uint256"},{"internalType":"contract IAdapter","name":"adapter","type":"address"},{"internalType":"uint256[]","name":"blockNumbers","type":"uint256[]"}],"name":"dispatchBlocks","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"targetChainId","type":"uint256"},{"internalType":"contract IAdapter","name":"adapter","type":"address"},{"internalType":"uint256[]","name":"messageIds","type":"uint256[]"},{"internalType":"bytes32[]","name":"messageHashes","type":"bytes32[]"}],"name":"dispatchMessages","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"fee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"chainId","type":"uint256"},{"internalType":"uint64","name":"chainSelector","type":"uint64"}],"name":"setChainSelectorByChainId","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"fee_","type":"uint256"}],"name":"setFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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00000000000000000000000048800ebef4491c65b2172d3628ddddc9c47fe43000000000000000000000000021eab033c7d2df6a67aef6c5bda9a7f151eb9f520000000000000000000000000bf3de8c5d3e8a2b34d2beeb17abfcebaf363a59

-----Decoded View---------------
Arg [0] : headerStorage (address): 0x48800eBEf4491C65b2172d3628DdDDC9c47fe430
Arg [1] : yaho (address): 0x21eAB033C7D2DF6A67AeF6C5Bda9A7F151eB9f52
Arg [2] : ccipRouter (address): 0x0BF3dE8c5D3e8A2B34D2BEeB17ABfCeBaf363A59

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 00000000000000000000000048800ebef4491c65b2172d3628ddddc9c47fe430
Arg [1] : 00000000000000000000000021eab033c7d2df6a67aef6c5bda9a7f151eb9f52
Arg [2] : 0000000000000000000000000bf3de8c5d3e8a2b34d2beeb17abfcebaf363a59