// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

import {IEVM2AnyOnRampClient} from "../interfaces/IEVM2AnyOnRampClient.sol";
import {IFeeQuoter} from "../interfaces/IFeeQuoter.sol";
import {IMessageInterceptor} from "../interfaces/IMessageInterceptor.sol";
import {INonceManager} from "../interfaces/INonceManager.sol";
import {IPoolV1} from "../interfaces/IPool.sol";
import {IRMNRemote} from "../interfaces/IRMNRemote.sol";
import {IRouter} from "../interfaces/IRouter.sol";
import {ITokenAdminRegistry} from "../interfaces/ITokenAdminRegistry.sol";
import {ITypeAndVersion} from "@chainlink/shared/interfaces/ITypeAndVersion.sol";

import {Client} from "../libraries/Client.sol";
import {Internal} from "../libraries/Internal.sol";
import {Pool} from "../libraries/Pool.sol";
import {USDPriceWith18Decimals} from "../libraries/USDPriceWith18Decimals.sol";
import {Ownable2StepMsgSender} from "@chainlink/shared/access/Ownable2StepMsgSender.sol";

import {IERC20} from "@chainlink/vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/IERC20.sol";
import {SafeERC20} from "@chainlink/vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/utils/SafeERC20.sol";
import {EnumerableSet} from "@chainlink/vendor/openzeppelin-solidity/v5.0.2/contracts/utils/structs/EnumerableSet.sol";

/// @notice The OnRamp is a contract that handles lane-specific fee logic.
/// @dev The OnRamp and OffRamp form a cross chain upgradeable unit. Any change to one of them results in an onchain
/// upgrade of both contracts.
contract OnRamp is IEVM2AnyOnRampClient, ITypeAndVersion, Ownable2StepMsgSender {
  using SafeERC20 for IERC20;
  using EnumerableSet for EnumerableSet.AddressSet;
  using USDPriceWith18Decimals for uint224;

  error CannotSendZeroTokens();
  error UnsupportedToken(address token);
  error MustBeCalledByRouter();
  error RouterMustSetOriginalSender();
  error InvalidConfig();
  error CursedByRMN(uint64 destChainSelector);
  error GetSupportedTokensFunctionalityRemovedCheckAdminRegistry();
  error InvalidDestChainConfig(uint64 destChainSelector);
  error OnlyCallableByOwnerOrAllowlistAdmin();
  error SenderNotAllowed(address sender);
  error InvalidAllowListRequest(uint64 destChainSelector);
  error ReentrancyGuardReentrantCall();

  event ConfigSet(StaticConfig staticConfig, DynamicConfig dynamicConfig);
  event DestChainConfigSet(
    uint64 indexed destChainSelector, uint64 sequenceNumber, IRouter router, bool allowlistEnabled
  );
  event FeeTokenWithdrawn(address indexed feeAggregator, address indexed feeToken, uint256 amount);
  /// RMN depends on this event, if changing, please notify the RMN maintainers.
  event CCIPMessageSent(
    uint64 indexed destChainSelector, uint64 indexed sequenceNumber, Internal.EVM2AnyRampMessage message
  );
  event AllowListAdminSet(address indexed allowlistAdmin);
  event AllowListSendersAdded(uint64 indexed destChainSelector, address[] senders);
  event AllowListSendersRemoved(uint64 indexed destChainSelector, address[] senders);

  /// @dev Struct that contains the static configuration.
  /// RMN depends on this struct, if changing, please notify the RMN maintainers.
  // solhint-disable-next-line gas-struct-packing
  struct StaticConfig {
    uint64 chainSelector; // ────╮ Source chain selector.
    IRMNRemote rmnRemote; // ────╯ RMN remote address.
    address nonceManager; //       Nonce manager address.
    address tokenAdminRegistry; // Token admin registry address.
  }

  /// @dev Struct that contains the dynamic configuration
  // solhint-disable-next-line gas-struct-packing
  struct DynamicConfig {
    address feeQuoter; // FeeQuoter address.
    bool reentrancyGuardEntered; // Reentrancy protection.
    address messageInterceptor; // Optional message interceptor to validate messages. Zero address = no interceptor.
    address feeAggregator; // Fee aggregator address.
    address allowlistAdmin; // authorized admin to add or remove allowed senders.
  }

  /// @dev Struct to hold the configs for a single destination chain.
  struct DestChainConfig {
    // The last used sequence number. This is zero in the case where no messages have yet been sent.
    // 0 is not a valid sequence number for any real transaction as this value will be incremented before use.
    uint64 sequenceNumber; // ──╮ The last used sequence number.
    bool allowlistEnabled; //   │ True if the allowlist is enabled.
    IRouter router; // ─────────╯ Local router address  that is allowed to send messages to the destination chain.
    EnumerableSet.AddressSet allowedSendersList; // The list of addresses allowed to send messages.
  }

  /// @dev Same as DestChainConfig but with the destChainSelector so that an array of these can be passed in the
  /// constructor and the applyDestChainConfigUpdates function.
  // solhint-disable gas-struct-packing
  struct DestChainConfigArgs {
    uint64 destChainSelector; // ─╮ Destination chain selector.
    IRouter router; //            │ Source router address.
    bool allowlistEnabled; // ────╯ True if the allowlist is enabled.
  }

  /// @dev Struct to hold the allowlist configuration args per dest chain.
  struct AllowlistConfigArgs {
    uint64 destChainSelector; // ──╮ Destination chain selector.
    bool allowlistEnabled; // ─────╯ True if the allowlist is enabled.
    address[] addedAllowlistedSenders; // list of senders to be added to the allowedSendersList.
    address[] removedAllowlistedSenders; // list of senders to be removed from the allowedSendersList.
  }

  // STATIC CONFIG
  string public constant override typeAndVersion = "OnRamp 1.6.0";
  /// @dev The chain ID of the source chain that this contract is deployed to.
  uint64 private immutable i_chainSelector;
  /// @dev The rmn contract.
  IRMNRemote private immutable i_rmnRemote;
  /// @dev The address of the nonce manager.
  address private immutable i_nonceManager;
  /// @dev The address of the token admin registry.
  address private immutable i_tokenAdminRegistry;

  // DYNAMIC CONFIG
  /// @dev The dynamic config for the onRamp.
  DynamicConfig private s_dynamicConfig;

  /// @dev The destination chain specific configs.
  mapping(uint64 destChainSelector => DestChainConfig destChainConfig) private s_destChainConfigs;

  constructor(
    StaticConfig memory staticConfig,
    DynamicConfig memory dynamicConfig,
    DestChainConfigArgs[] memory destChainConfigArgs
  ) {
    if (
      staticConfig.chainSelector == 0 || address(staticConfig.rmnRemote) == address(0)
        || staticConfig.nonceManager == address(0) || staticConfig.tokenAdminRegistry == address(0)
    ) {
      revert InvalidConfig();
    }

    i_chainSelector = staticConfig.chainSelector;
    i_rmnRemote = staticConfig.rmnRemote;
    i_nonceManager = staticConfig.nonceManager;
    i_tokenAdminRegistry = staticConfig.tokenAdminRegistry;

    _setDynamicConfig(dynamicConfig);
    _applyDestChainConfigUpdates(destChainConfigArgs);
  }

  // ================================================================
  // │                          Messaging                           │
  // ================================================================

  /// @notice Gets the next sequence number to be used in the onRamp.
  /// @param destChainSelector The destination chain selector.
  /// @return nextSequenceNumber The next sequence number to be used.
  function getExpectedNextSequenceNumber(
    uint64 destChainSelector
  ) external view returns (uint64) {
    return s_destChainConfigs[destChainSelector].sequenceNumber + 1;
  }

  /// @inheritdoc IEVM2AnyOnRampClient
  function forwardFromRouter(
    uint64 destChainSelector,
    Client.EVM2AnyMessage calldata message,
    uint256 feeTokenAmount,
    address originalSender
  ) external returns (bytes32) {
    // We rely on a reentrancy guard here due to the untrusted calls performed to the pools. This enables some
    // optimizations by not following the CEI pattern.
    if (s_dynamicConfig.reentrancyGuardEntered) revert ReentrancyGuardReentrantCall();
    s_dynamicConfig.reentrancyGuardEntered = true;

    DestChainConfig storage destChainConfig = s_destChainConfigs[destChainSelector];

    // NOTE: assumes the message has already been validated through the getFee call.
    // Validate originalSender is set and allowed. Not validated in `getFee` since it is not user-driven.
    if (originalSender == address(0)) revert RouterMustSetOriginalSender();

    if (destChainConfig.allowlistEnabled) {
      if (!destChainConfig.allowedSendersList.contains(originalSender)) {
        revert SenderNotAllowed(originalSender);
      }
    }

    // Router address may be zero intentionally to pause, which should stop all messages.
    if (msg.sender != address(destChainConfig.router)) revert MustBeCalledByRouter();

    {
      // scoped to reduce stack usage
      address messageInterceptor = s_dynamicConfig.messageInterceptor;
      if (messageInterceptor != address(0)) {
        IMessageInterceptor(messageInterceptor).onOutboundMessage(destChainSelector, message);
      }
    }

    Internal.EVM2AnyRampMessage memory newMessage = Internal.EVM2AnyRampMessage({
      header: Internal.RampMessageHeader({
        // Should be generated after the message is complete.
        messageId: "",
        sourceChainSelector: i_chainSelector,
        destChainSelector: destChainSelector,
        // We need the next available sequence number so we increment before we use the value.
        sequenceNumber: ++destChainConfig.sequenceNumber,
        // Only bump nonce for messages that specify allowOutOfOrderExecution == false. Otherwise, we may block ordered
        // message nonces, which is not what we want.
        nonce: 0
      }),
      sender: originalSender,
      data: message.data,
      extraArgs: "",
      receiver: message.receiver,
      feeToken: message.feeToken,
      feeTokenAmount: feeTokenAmount,
      feeValueJuels: 0, // calculated later.
      // Should be populated via lock / burn pool calls.
      tokenAmounts: new Internal.EVM2AnyTokenTransfer[](message.tokenAmounts.length)
    });

    // Convert message fee to juels and retrieve converted args.
    // Validate pool return data after it is populated (view function - no state changes).
    bool isOutOfOrderExecution;
    bytes memory tokenReceiver;
    (newMessage.feeValueJuels, isOutOfOrderExecution, newMessage.extraArgs, tokenReceiver) = IFeeQuoter(
      s_dynamicConfig.feeQuoter
    ).processMessageArgs(destChainSelector, message.feeToken, feeTokenAmount, message.extraArgs, message.receiver);

    Client.EVMTokenAmount[] memory tokenAmounts = message.tokenAmounts;
    // Lock / burn the tokens as last step. TokenPools may not always be trusted.
    for (uint256 i = 0; i < message.tokenAmounts.length; ++i) {
      newMessage.tokenAmounts[i] =
        _lockOrBurnSingleToken(tokenAmounts[i], destChainSelector, tokenReceiver, originalSender);
    }

    bytes[] memory destExecDataPerToken = IFeeQuoter(s_dynamicConfig.feeQuoter).processPoolReturnData(
      destChainSelector, newMessage.tokenAmounts, tokenAmounts
    );
    newMessage.header.nonce = isOutOfOrderExecution
      ? 0
      : INonceManager(i_nonceManager).getIncrementedOutboundNonce(destChainSelector, originalSender);

    for (uint256 i = 0; i < newMessage.tokenAmounts.length; ++i) {
      newMessage.tokenAmounts[i].destExecData = destExecDataPerToken[i];
    }

    newMessage = _postProcessMessage(newMessage);

    // Hash only after all fields have been set.
    newMessage.header.messageId = Internal._hash(
      newMessage,
      // Metadata hash preimage to ensure global uniqueness, ensuring 2 identical messages sent to 2 different lanes
      // will have a distinct hash.
      keccak256(abi.encode(Internal.EVM_2_ANY_MESSAGE_HASH, i_chainSelector, destChainSelector, address(this)))
    );

    // Emit message request.
    // This must happen after any pool events as some tokens (e.g. USDC) emit events that we expect to precede this
    // event in the offchain code.
    emit CCIPMessageSent(destChainSelector, newMessage.header.sequenceNumber, newMessage);

    s_dynamicConfig.reentrancyGuardEntered = false;

    return newMessage.header.messageId;
  }

  /// @notice hook for applying custom logic to the message from the router
  /// @param message router message
  /// @return transformedMessage modified message
  function _postProcessMessage(
    Internal.EVM2AnyRampMessage memory message
  ) internal virtual returns (Internal.EVM2AnyRampMessage memory transformedMessage) {
    return message;
  }

  /// @notice Uses a pool to lock or burn a token.
  /// @param tokenAndAmount Token address and amount to lock or burn.
  /// @param destChainSelector Target destination chain selector of the message.
  /// @param receiver Message receiver.
  /// @param originalSender Message sender.
  /// @return evm2AnyTokenTransfer EVM2Any token and amount data.
  function _lockOrBurnSingleToken(
    Client.EVMTokenAmount memory tokenAndAmount,
    uint64 destChainSelector,
    bytes memory receiver,
    address originalSender
  ) internal returns (Internal.EVM2AnyTokenTransfer memory) {
    if (tokenAndAmount.amount == 0) revert CannotSendZeroTokens();

    IPoolV1 sourcePool = getPoolBySourceToken(destChainSelector, IERC20(tokenAndAmount.token));
    // We don't have to check if it supports the pool version in a non-reverting way here because
    // if we revert here, there is no effect on CCIP. Therefore we directly call the supportsInterface
    // function and not through the ERC165Checker.
    if (address(sourcePool) == address(0) || !sourcePool.supportsInterface(Pool.CCIP_POOL_V1)) {
      revert UnsupportedToken(tokenAndAmount.token);
    }

    Pool.LockOrBurnOutV1 memory poolReturnData = sourcePool.lockOrBurn(
      Pool.LockOrBurnInV1({
        receiver: receiver,
        remoteChainSelector: destChainSelector,
        originalSender: originalSender,
        amount: tokenAndAmount.amount,
        localToken: tokenAndAmount.token
      })
    );

    // NOTE: pool data validations are outsourced to the FeeQuoter to handle family-specific logic handling.
    return Internal.EVM2AnyTokenTransfer({
      sourcePoolAddress: address(sourcePool),
      destTokenAddress: poolReturnData.destTokenAddress,
      extraData: poolReturnData.destPoolData,
      amount: tokenAndAmount.amount,
      destExecData: "" // This is set in the processPoolReturnData function.
    });
  }

  // ================================================================
  // │                           Config                             │
  // ================================================================

  /// @notice Returns the static onRamp config.
  /// @dev RMN depends on this function, if modified, please notify the RMN maintainers.
  /// @return staticConfig the static configuration.
  function getStaticConfig() external view returns (StaticConfig memory) {
    return StaticConfig({
      chainSelector: i_chainSelector,
      rmnRemote: i_rmnRemote,
      nonceManager: i_nonceManager,
      tokenAdminRegistry: i_tokenAdminRegistry
    });
  }

  /// @notice Returns the dynamic onRamp config.
  /// @return dynamicConfig the dynamic configuration.
  function getDynamicConfig() external view returns (DynamicConfig memory dynamicConfig) {
    return s_dynamicConfig;
  }

  /// @notice Sets the dynamic configuration.
  /// @param dynamicConfig The configuration.
  function setDynamicConfig(
    DynamicConfig memory dynamicConfig
  ) external onlyOwner {
    _setDynamicConfig(dynamicConfig);
  }

  /// @notice Internal version of setDynamicConfig to allow for reuse in the constructor.
  function _setDynamicConfig(
    DynamicConfig memory dynamicConfig
  ) internal {
    if (
      dynamicConfig.feeQuoter == address(0) || dynamicConfig.feeAggregator == address(0)
        || dynamicConfig.reentrancyGuardEntered
    ) revert InvalidConfig();

    s_dynamicConfig = dynamicConfig;

    emit ConfigSet(
      StaticConfig({
        chainSelector: i_chainSelector,
        rmnRemote: i_rmnRemote,
        nonceManager: i_nonceManager,
        tokenAdminRegistry: i_tokenAdminRegistry
      }),
      dynamicConfig
    );
  }

  /// @notice Updates destination chains specific configs.
  /// @param destChainConfigArgs Array of destination chain specific configs.
  function applyDestChainConfigUpdates(
    DestChainConfigArgs[] memory destChainConfigArgs
  ) external onlyOwner {
    _applyDestChainConfigUpdates(destChainConfigArgs);
  }

  /// @notice Internal version of applyDestChainConfigUpdates.
  function _applyDestChainConfigUpdates(
    DestChainConfigArgs[] memory destChainConfigArgs
  ) internal {
    for (uint256 i = 0; i < destChainConfigArgs.length; ++i) {
      DestChainConfigArgs memory destChainConfigArg = destChainConfigArgs[i];
      uint64 destChainSelector = destChainConfigArgs[i].destChainSelector;

      if (destChainSelector == 0) {
        revert InvalidDestChainConfig(destChainSelector);
      }

      DestChainConfig storage destChainConfig = s_destChainConfigs[destChainSelector];
      // The router can be zero to pause the destination chain
      destChainConfig.router = destChainConfigArg.router;
      destChainConfig.allowlistEnabled = destChainConfigArg.allowlistEnabled;

      emit DestChainConfigSet(
        destChainSelector, destChainConfig.sequenceNumber, destChainConfigArg.router, destChainConfig.allowlistEnabled
      );
    }
  }

  /// @notice get ChainConfig configured for the DestinationChainSelector.
  /// @param destChainSelector The destination chain selector.
  /// @return sequenceNumber The last used sequence number.
  /// @return allowlistEnabled boolean indicator to specify if allowlist check is enabled.
  /// @return router address of the router.
  function getDestChainConfig(
    uint64 destChainSelector
  ) external view returns (uint64 sequenceNumber, bool allowlistEnabled, address router) {
    DestChainConfig storage config = s_destChainConfigs[destChainSelector];
    sequenceNumber = config.sequenceNumber;
    allowlistEnabled = config.allowlistEnabled;
    router = address(config.router);
    return (sequenceNumber, allowlistEnabled, router);
  }

  /// @notice get allowedSenders List configured for the DestinationChainSelector.
  /// @param destChainSelector The destination chain selector.
  /// @return isEnabled True if allowlist is enabled.
  /// @return configuredAddresses This is always populated with the list of allowed senders, even if the allowlist
  /// is turned off. This is because the only way to know what addresses are configured is through this function. If
  /// it would return an empty list when the allowlist is disabled, it would be impossible to know what addresses are
  /// configured.
  function getAllowedSendersList(
    uint64 destChainSelector
  ) external view returns (bool isEnabled, address[] memory configuredAddresses) {
    return (
      s_destChainConfigs[destChainSelector].allowlistEnabled,
      s_destChainConfigs[destChainSelector].allowedSendersList.values()
    );
  }

  // ================================================================
  // │                          Allowlist                           │
  // ================================================================

  /// @notice Updates allowlistConfig for Senders.
  /// @dev configuration used to set the list of senders who are authorized to send messages.
  /// @param allowlistConfigArgsItems Array of AllowlistConfigArguments where each item is for a destChainSelector.
  function applyAllowlistUpdates(
    AllowlistConfigArgs[] calldata allowlistConfigArgsItems
  ) external {
    if (msg.sender != owner()) {
      if (msg.sender != s_dynamicConfig.allowlistAdmin) {
        revert OnlyCallableByOwnerOrAllowlistAdmin();
      }
    }

    for (uint256 i = 0; i < allowlistConfigArgsItems.length; ++i) {
      AllowlistConfigArgs memory allowlistConfigArgs = allowlistConfigArgsItems[i];

      DestChainConfig storage destChainConfig = s_destChainConfigs[allowlistConfigArgs.destChainSelector];
      destChainConfig.allowlistEnabled = allowlistConfigArgs.allowlistEnabled;

      if (allowlistConfigArgs.addedAllowlistedSenders.length > 0) {
        if (allowlistConfigArgs.allowlistEnabled) {
          for (uint256 j = 0; j < allowlistConfigArgs.addedAllowlistedSenders.length; ++j) {
            address toAdd = allowlistConfigArgs.addedAllowlistedSenders[j];
            if (toAdd == address(0)) {
              revert InvalidAllowListRequest(allowlistConfigArgs.destChainSelector);
            }
            destChainConfig.allowedSendersList.add(toAdd);
          }

          emit AllowListSendersAdded(allowlistConfigArgs.destChainSelector, allowlistConfigArgs.addedAllowlistedSenders);
        } else {
          revert InvalidAllowListRequest(allowlistConfigArgs.destChainSelector);
        }
      }

      for (uint256 j = 0; j < allowlistConfigArgs.removedAllowlistedSenders.length; ++j) {
        destChainConfig.allowedSendersList.remove(allowlistConfigArgs.removedAllowlistedSenders[j]);
      }

      if (allowlistConfigArgs.removedAllowlistedSenders.length > 0) {
        emit AllowListSendersRemoved(
          allowlistConfigArgs.destChainSelector, allowlistConfigArgs.removedAllowlistedSenders
        );
      }
    }
  }

  // ================================================================
  // │                      Tokens and pools                        │
  // ================================================================

  /// @inheritdoc IEVM2AnyOnRampClient
  function getPoolBySourceToken(uint64, /*destChainSelector*/ IERC20 sourceToken) public view returns (IPoolV1) {
    return IPoolV1(ITokenAdminRegistry(i_tokenAdminRegistry).getPool(address(sourceToken)));
  }

  /// @inheritdoc IEVM2AnyOnRampClient
  function getSupportedTokens(
    uint64 // destChainSelector
  ) external pure returns (address[] memory) {
    revert GetSupportedTokensFunctionalityRemovedCheckAdminRegistry();
  }

  // ================================================================
  // │                             Fees                             │
  // ================================================================

  /// @inheritdoc IEVM2AnyOnRampClient
  /// @dev getFee MUST revert if the feeToken is not listed in the fee token config, as the router assumes it does.
  /// @param destChainSelector The destination chain selector.
  /// @param message The message to get quote for.
  /// @return feeTokenAmount The amount of fee token needed for the fee, in smallest denomination of the fee token.
  function getFee(
    uint64 destChainSelector,
    Client.EVM2AnyMessage calldata message
  ) external view returns (uint256 feeTokenAmount) {
    if (i_rmnRemote.isCursed(bytes16(uint128(destChainSelector)))) revert CursedByRMN(destChainSelector);

    return IFeeQuoter(s_dynamicConfig.feeQuoter).getValidatedFee(destChainSelector, message);
  }

  /// @notice Withdraws the outstanding fee token balances to the fee aggregator.
  /// @param feeTokens The fee tokens to withdraw.
  /// @dev This function can be permissionless as it only transfers tokens to the fee aggregator which is a trusted address.
  function withdrawFeeTokens(
    address[] calldata feeTokens
  ) external {
    address feeAggregator = s_dynamicConfig.feeAggregator;

    for (uint256 i = 0; i < feeTokens.length; ++i) {
      IERC20 feeToken = IERC20(feeTokens[i]);
      uint256 feeTokenBalance = feeToken.balanceOf(address(this));

      if (feeTokenBalance > 0) {
        feeToken.safeTransfer(feeAggregator, feeTokenBalance);

        emit FeeTokenWithdrawn(feeAggregator, address(feeToken), feeTokenBalance);
      }
    }
  }
}

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

import {IPoolV1} from "./IPool.sol";

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

import {IERC20} from "@chainlink/vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/IERC20.sol";

interface IEVM2AnyOnRampClient {
  /// @notice Get the fee for a given ccip message.
  /// @param destChainSelector The destination chain selector.
  /// @param message The message to calculate the cost for.
  /// @return fee The calculated fee.
  function getFee(uint64 destChainSelector, Client.EVM2AnyMessage calldata message) external view returns (uint256 fee);

  /// @notice Get the pool for a specific token.
  /// @param destChainSelector The destination chain selector.
  /// @param sourceToken The source chain token to get the pool for.
  /// @return pool Token pool.
  function getPoolBySourceToken(uint64 destChainSelector, IERC20 sourceToken) external view returns (IPoolV1);

  /// @notice Gets a list of all supported source chain tokens.
  /// @param destChainSelector The destination chain selector.
  /// @return tokens The addresses of all tokens that this onRamp supports the given destination chain.
  function getSupportedTokens(
    uint64 destChainSelector
  ) external view returns (address[] memory tokens);

  /// @notice Send a message to the remote chain.
  /// @dev only callable by the Router.
  /// @dev approve() must have already been called on the token using the this ramp address as the spender.
  /// @dev if the contract is paused, this function will revert.
  /// @param destChainSelector The destination chain selector.
  /// @param message Message struct to send.
  /// @param feeTokenAmount Amount of fee tokens for payment.
  /// @param originalSender The original initiator of the CCIP request.
  /// @return messageId The message id.
  function forwardFromRouter(
    uint64 destChainSelector,
    Client.EVM2AnyMessage memory message,
    uint256 feeTokenAmount,
    address originalSender
  ) external returns (bytes32);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

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

interface IFeeQuoter is IPriceRegistry {
  /// @notice Validates the ccip message & returns the fee.
  /// @param destChainSelector The destination chain selector.
  /// @param message The message to get quote for.
  /// @return feeTokenAmount The amount of fee token needed for the fee, in smallest denomination of the fee token.
  function getValidatedFee(
    uint64 destChainSelector,
    Client.EVM2AnyMessage calldata message
  ) external view returns (uint256 feeTokenAmount);

  /// @notice Converts the extraArgs to the latest version and returns the converted message fee in juels.
  /// @notice Validates pool return data.
  /// @param destChainSelector destination chain selector to process, must be a configured valid chain.
  /// @param feeToken token address used to pay for message fees, must be a configured valid fee token.
  /// @param feeTokenAmount Fee token amount.
  /// @param extraArgs Message extra args that were passed in by the client.
  /// @param messageReceiver Message receiver address in bytes from EVM2AnyMessage.receiver
  /// @return msgFeeJuels message fee in juels.
  /// @return isOutOfOrderExecution true if the message should be executed out of order.
  /// @return convertedExtraArgs extra args converted to the latest family-specific args version.
  /// @return tokenReceiver token receiver address in bytes on destination chain
  function processMessageArgs(
    uint64 destChainSelector,
    address feeToken,
    uint256 feeTokenAmount,
    bytes calldata extraArgs,
    bytes calldata messageReceiver
  )
    external
    view
    returns (
      uint256 msgFeeJuels,
      bool isOutOfOrderExecution,
      bytes memory convertedExtraArgs,
      bytes memory tokenReceiver
    );

  /// @notice Validates pool return data.
  /// @param destChainSelector Destination chain selector to which the token amounts are sent to.
  /// @param onRampTokenTransfers Token amounts with populated pool return data.
  /// @param sourceTokenAmounts Token amounts originally sent in a Client.EVM2AnyMessage message.
  /// @return destExecDataPerToken Destination chain execution data.
  function processPoolReturnData(
    uint64 destChainSelector,
    Internal.EVM2AnyTokenTransfer[] calldata onRampTokenTransfers,
    Client.EVMTokenAmount[] calldata sourceTokenAmounts
  ) external view returns (bytes[] memory destExecDataPerToken);
}

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

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

/// @notice Interface for plug-in message hook contracts that intercept OffRamp & OnRamp messages and perform
/// validations / state changes on top of the messages. The interceptor functions are expected to revert
/// on validation failures.
interface IMessageInterceptor {
  /// @notice Common error that can be thrown on validation failures and used by consumers.
  /// @param errorReason abi encoded revert reason.
  error MessageValidationError(bytes errorReason);

  /// @notice Intercepts & validates the given OffRamp message. Reverts on validation failure.
  /// @param message to validate.
  function onInboundMessage(
    Client.Any2EVMMessage memory message
  ) external;

  /// @notice Intercepts & validates the given OnRamp message. Reverts on validation failure.
  /// @param destChainSelector remote destination chain selector where the message is being sent to.
  /// @param message to validate.
  function onOutboundMessage(uint64 destChainSelector, Client.EVM2AnyMessage memory message) external;
}

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

/// @notice Contract interface that allows managing sender nonces.
interface INonceManager {
  /// @notice Increments the outbound nonce for a given sender on a given destination chain.
  /// @param destChainSelector The destination chain selector.
  /// @param sender The sender address.
  /// @return incrementedOutboundNonce The new outbound nonce.
  function getIncrementedOutboundNonce(uint64 destChainSelector, address sender) external returns (uint64);

  /// @notice Increments the inbound nonce for a given sender on a given source chain.
  /// @notice The increment is only applied if the resulting nonce matches the expectedNonce.
  /// @param sourceChainSelector The destination chain selector.
  /// @param expectedNonce The expected inbound nonce.
  /// @param sender The encoded sender address.
  /// @return incremented True if the nonce was incremented, false otherwise.
  function incrementInboundNonce(
    uint64 sourceChainSelector,
    uint64 expectedNonce,
    bytes calldata sender
  ) external returns (bool);
}

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

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

import {IERC165} from "@chainlink/vendor/openzeppelin-solidity/v5.0.2/contracts/utils/introspection/IERC165.sol";

/// @notice Shared public interface for multiple V1 pool types.
/// Each pool type handles a different child token model e.g. lock/unlock, mint/burn.
interface IPoolV1 is IERC165 {
  /// @notice Lock tokens into the pool or burn the tokens.
  /// @param lockOrBurnIn Encoded data fields for the processing of tokens on the source chain.
  /// @return lockOrBurnOut Encoded data fields for the processing of tokens on the destination chain.
  function lockOrBurn(
    Pool.LockOrBurnInV1 calldata lockOrBurnIn
  ) external returns (Pool.LockOrBurnOutV1 memory lockOrBurnOut);

  /// @notice Releases or mints tokens to the receiver address.
  /// @param releaseOrMintIn All data required to release or mint tokens.
  /// @return releaseOrMintOut The amount of tokens released or minted on the local chain, denominated
  /// in the local token's decimals.
  /// @dev The offramp asserts that the balanceOf of the receiver has been incremented by exactly the number
  /// of tokens that is returned in ReleaseOrMintOutV1.destinationAmount. If the amounts do not match, the tx reverts.
  function releaseOrMint(
    Pool.ReleaseOrMintInV1 calldata releaseOrMintIn
  ) external returns (Pool.ReleaseOrMintOutV1 memory);

  /// @notice Checks whether a remote chain is supported in the token pool.
  /// @param remoteChainSelector The selector of the remote chain.
  /// @return true if the given chain is a permissioned remote chain.
  function isSupportedChain(
    uint64 remoteChainSelector
  ) external view returns (bool);

  /// @notice Returns if the token pool supports the given token.
  /// @param token The address of the token.
  /// @return true if the token is supported by the pool.
  function isSupportedToken(
    address token
  ) external view returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

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

interface IPriceRegistry {
  /// @notice Update the price for given tokens and gas prices for given chains.
  /// @param priceUpdates The price updates to apply.
  function updatePrices(
    Internal.PriceUpdates memory priceUpdates
  ) external;

  /// @notice Get the `tokenPrice` for a given token.
  /// @param token The token to get the price for.
  /// @return tokenPrice The tokenPrice for the given token.
  function getTokenPrice(
    address token
  ) external view returns (Internal.TimestampedPackedUint224 memory);

  /// @notice Get the `tokenPrice` for a given token, checks if the price is valid.
  /// @param token The token to get the price for.
  /// @return tokenPrice The tokenPrice for the given token if it exists and is valid.
  function getValidatedTokenPrice(
    address token
  ) external view returns (uint224);

  /// @notice Get the `tokenPrice` for an array of tokens.
  /// @param tokens The tokens to get prices for.
  /// @return tokenPrices The tokenPrices for the given tokens.
  function getTokenPrices(
    address[] calldata tokens
  ) external view returns (Internal.TimestampedPackedUint224[] memory);

  /// @notice Get an encoded `gasPrice` for a given destination chain ID.
  /// The 224-bit result encodes necessary gas price components.
  /// On L1 chains like Ethereum or Avax, the only component is the gas price.
  /// On Optimistic Rollups, there are two components - the L2 gas price, and L1 base fee for data availability.
  /// On future chains, there could be more or differing price components.
  /// PriceRegistry does not contain chain-specific logic to parse destination chain price components.
  /// @param destChainSelector The destination chain to get the price for.
  /// @return gasPrice The encoded gasPrice for the given destination chain ID.
  function getDestinationChainGasPrice(
    uint64 destChainSelector
  ) external view returns (Internal.TimestampedPackedUint224 memory);

  /// @notice Gets the fee token price and the gas price, both denominated in dollars.
  /// @param token The source token to get the price for.
  /// @param destChainSelector The destination chain to get the gas price for.
  /// @return tokenPrice The price of the feeToken in 1e18 dollars per base unit.
  /// @return gasPrice The price of gas in 1e18 dollars per base unit.
  function getTokenAndGasPrices(
    address token,
    uint64 destChainSelector
  ) external view returns (uint224 tokenPrice, uint224 gasPrice);

  /// @notice Convert a given token amount to target token amount.
  /// @param fromToken The given token address.
  /// @param fromTokenAmount The given token amount.
  /// @param toToken The target token address.
  /// @return toTokenAmount The target token amount.
  function convertTokenAmount(
    address fromToken,
    uint256 fromTokenAmount,
    address toToken
  ) external view returns (uint256 toTokenAmount);

  /// @notice Get the list of fee tokens.
  /// @return feeTokens The tokens set as fee tokens.
  function getFeeTokens() external view returns (address[] memory);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

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

/// @notice This interface contains the only RMN-related functions that might be used on-chain by other CCIP contracts.
interface IRMNRemote {
  /// @notice signature components from RMN nodes.
  struct Signature {
    bytes32 r;
    bytes32 s;
  }

  /// @notice Verifies signatures of RMN nodes, on dest lane updates as provided in the CommitReport.
  /// @param offRampAddress is not inferred by msg.sender, in case the call is made through RMNProxy.
  /// @param merkleRoots must be well formed, and is a representation of the CommitReport received from the oracles.
  /// @param signatures rmnNodes ECDSA sigs, only r & s, must be sorted in ascending order by signer address.
  /// @dev Will revert if verification fails.
  function verify(
    address offRampAddress,
    Internal.MerkleRoot[] memory merkleRoots,
    Signature[] memory signatures
  ) external view;

  /// @notice gets the current set of cursed subjects.
  /// @return subjects the list of cursed subjects.
  function getCursedSubjects() external view returns (bytes16[] memory subjects);

  /// @notice If there is an active global or legacy curse, this function returns true.
  /// @return bool true if there is an active global curse.
  function isCursed() external view returns (bool);

  /// @notice If there is an active global curse, or an active curse for `subject`, this function returns true.
  /// @param subject To check whether a particular chain is cursed, set to bytes16(uint128(chainSelector)).
  /// @return bool true if the provided subject is cured *or* if there is an active global curse.
  function isCursed(
    bytes16 subject
  ) external view returns (bool);
}

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

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

interface IRouter {
  error OnlyOffRamp();

  /// @notice Route the message to its intended receiver contract.
  /// @param message Client.Any2EVMMessage struct.
  /// @param gasForCallExactCheck of params for exec.
  /// @param gasLimit set of params for exec.
  /// @param receiver set of params for exec.
  /// @dev if the receiver is a contracts that signals support for CCIP execution through EIP-165.
  /// the contract is called. If not, only tokens are transferred.
  /// @return success A boolean value indicating whether the ccip message was received without errors.
  /// @return retBytes A bytes array containing return data form CCIP receiver.
  /// @return gasUsed the gas used by the external customer call. Does not include any overhead.
  function routeMessage(
    Client.Any2EVMMessage calldata message,
    uint16 gasForCallExactCheck,
    uint256 gasLimit,
    address receiver
  ) external returns (bool success, bytes memory retBytes, uint256 gasUsed);

  /// @notice Returns the configured onramp for a specific destination chain.
  /// @param destChainSelector The destination chain Id to get the onRamp for.
  /// @return onRampAddress The address of the onRamp.
  function getOnRamp(
    uint64 destChainSelector
  ) external view returns (address onRampAddress);

  /// @notice Return true if the given offRamp is a configured offRamp for the given source chain.
  /// @param sourceChainSelector The source chain selector to check.
  /// @param offRamp The address of the offRamp to check.
  function isOffRamp(uint64 sourceChainSelector, address offRamp) external view returns (bool isOffRamp);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;

interface ITokenAdminRegistry {
  /// @notice Returns the pool for the given token.
  function getPool(
    address token
  ) external view returns (address);

  /// @notice Proposes an administrator for the given token as pending administrator.
  /// @param localToken The token to register the administrator for.
  /// @param administrator The administrator to register.
  function proposeAdministrator(address localToken, address administrator) external;

  /// @notice Accepts the administrator role for a token.
  /// @param localToken The token to accept the administrator role for.
  /// @dev This function can only be called by the pending administrator.
  function acceptAdminRole(
    address localToken
  ) external;

  /// @notice Sets the pool for a token. Setting the pool to address(0) effectively delists the token
  /// from CCIP. Setting the pool to any other address enables the token on CCIP.
  /// @param localToken The token to set the pool for.
  /// @param pool The pool to set for the token.
  function setPool(address localToken, address pool) external;

  /// @notice Transfers the administrator role for a token to a new address with a 2-step process.
  /// @param localToken The token to transfer the administrator role for.
  /// @param newAdmin The address to transfer the administrator role to. Can be address(0) to cancel
  /// a pending transfer.
  /// @dev The new admin must call `acceptAdminRole` to accept the role.
  function transferAdminRole(address localToken, address newAdmin) external;
}

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

// End consumer library.
library Client {
  /// @dev RMN depends on this struct, if changing, please notify the RMN maintainers.
  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.
  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(EVMExtraArgsV2).
  }

  // Tag to indicate only a gas limit. Only usable for EVM as destination chain.
  bytes4 public constant EVM_EXTRA_ARGS_V1_TAG = 0x97a657c9;

  struct EVMExtraArgsV1 {
    uint256 gasLimit;
  }

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

  // Tag to indicate a gas limit (or dest chain equivalent processing units) and Out Of Order Execution. This tag is
  // available for multiple chain families. If there is no chain family specific tag, this is the default available
  // for a chain.
  // Note: not available for Solana VM based chains.
  bytes4 public constant GENERIC_EXTRA_ARGS_V2_TAG = 0x181dcf10;

  /// @param gasLimit: gas limit for the callback on the destination chain.
  /// @param allowOutOfOrderExecution: if true, it indicates that the message can be executed in any order relative to
  /// other messages from the same sender. This value's default varies by chain. On some chains, a particular value is
  /// enforced, meaning if the expected value is not set, the message request will revert.
  /// @dev Fully compatible with the previously existing EVMExtraArgsV2.
  struct GenericExtraArgsV2 {
    uint256 gasLimit;
    bool allowOutOfOrderExecution;
  }

  // Extra args tag for chains that use the Solana VM.
  bytes4 public constant SVM_EXTRA_ARGS_V1_TAG = 0x1f3b3aba;

  struct SVMExtraArgsV1 {
    uint32 computeUnits;
    uint64 accountIsWritableBitmap;
    bool allowOutOfOrderExecution;
    bytes32 tokenReceiver;
    bytes32[] accounts;
  }

  /// @dev The maximum number of accounts that can be passed in SVMExtraArgs.
  uint256 public constant SVM_EXTRA_ARGS_MAX_ACCOUNTS = 64;

  function _argsToBytes(
    GenericExtraArgsV2 memory extraArgs
  ) internal pure returns (bytes memory bts) {
    return abi.encodeWithSelector(GENERIC_EXTRA_ARGS_V2_TAG, extraArgs);
  }

  function _svmArgsToBytes(
    SVMExtraArgsV1 memory extraArgs
  ) internal pure returns (bytes memory bts) {
    return abi.encodeWithSelector(SVM_EXTRA_ARGS_V1_TAG, extraArgs);
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

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

/// @notice Library for CCIP internal definitions common to multiple contracts.
/// @dev The following is a non-exhaustive list of "known issues" for CCIP:
/// - We could implement yield claiming for Blast. This is not worth the custom code path on non-blast chains.
/// - uint32 is used for timestamps, which will overflow in 2106. This is not a concern for the current use case, as we
/// expect to have migrated to a new version by then.
library Internal {
  error InvalidEVMAddress(bytes encodedAddress);
  error Invalid32ByteAddress(bytes encodedAddress);

  /// @dev We limit return data to a selector plus 4 words. This is to avoid malicious contracts from returning
  /// large amounts of data and causing repeated out-of-gas scenarios.
  uint16 internal constant MAX_RET_BYTES = 4 + 4 * 32;
  /// @dev The expected number of bytes returned by the balanceOf function.
  uint256 internal constant MAX_BALANCE_OF_RET_BYTES = 32;

  /// @dev The address used to send calls for gas estimation.
  /// You only need to use this address if the minimum gas limit specified by the user is not actually enough to execute the
  /// given message and you're attempting to estimate the actual necessary gas limit
  address public constant GAS_ESTIMATION_SENDER = address(0xC11C11C11C11C11C11C11C11C11C11C11C11C1);

  /// @notice A collection of token price and gas price updates.
  /// @dev RMN depends on this struct, if changing, please notify the RMN maintainers.
  struct PriceUpdates {
    TokenPriceUpdate[] tokenPriceUpdates;
    GasPriceUpdate[] gasPriceUpdates;
  }

  /// @notice Token price in USD.
  /// @dev RMN depends on this struct, if changing, please notify the RMN maintainers.
  struct TokenPriceUpdate {
    address sourceToken; // Source token.
    uint224 usdPerToken; // 1e18 USD per 1e18 of the smallest token denomination.
  }

  /// @notice Gas price for a given chain in USD, its value may contain tightly packed fields.
  /// @dev RMN depends on this struct, if changing, please notify the RMN maintainers.
  struct GasPriceUpdate {
    uint64 destChainSelector; // Destination chain selector.
    uint224 usdPerUnitGas; // 1e18 USD per smallest unit (e.g. wei) of destination chain gas.
  }

  /// @notice A timestamped uint224 value that can contain several tightly packed fields.
  struct TimestampedPackedUint224 {
    uint224 value; // ────╮ Value in uint224, packed.
    uint32 timestamp; // ─╯ Timestamp of the most recent price update.
  }

  /// @dev Gas price is stored in 112-bit unsigned int. uint224 can pack 2 prices.
  /// When packing L1 and L2 gas prices, L1 gas price is left-shifted to the higher-order bits.
  /// Using uint8 type, which cannot be higher than other bit shift operands, to avoid shift operand type warning.
  uint8 public constant GAS_PRICE_BITS = 112;

  struct SourceTokenData {
    // The source pool address, abi encoded. This value is trusted as it was obtained through the onRamp. It can be
    // relied upon by the destination pool to validate the source pool.
    bytes sourcePoolAddress;
    // The address of the destination token, abi encoded in the case of EVM chains.
    // This value is UNTRUSTED as any pool owner can return whatever value they want.
    bytes destTokenAddress;
    // Optional pool data to be transferred to the destination chain. Be default this is capped at
    // CCIP_LOCK_OR_BURN_V1_RET_BYTES bytes. If more data is required, the TokenTransferFeeConfig.destBytesOverhead
    // has to be set for the specific token.
    bytes extraData;
    uint32 destGasAmount; // The amount of gas available for the releaseOrMint and balanceOf calls on the offRamp
  }

  /// @notice Report that is submitted by the execution DON at the execution phase, including chain selector data.
  /// @dev RMN depends on this struct, if changing, please notify the RMN maintainers.
  struct ExecutionReport {
    uint64 sourceChainSelector; // Source chain selector for which the report is submitted.
    Any2EVMRampMessage[] messages;
    // Contains a bytes array for each message, each inner bytes array contains bytes per transferred token.
    bytes[][] offchainTokenData;
    bytes32[] proofs;
    uint256 proofFlagBits;
  }

  /// @dev Any2EVMRampMessage struct has 10 fields, including 3 variable unnested arrays, sender, data and tokenAmounts.
  /// Each variable array takes 1 more slot to store its length.
  /// When abi encoded, excluding array contents, Any2EVMMessage takes up a fixed number of 13 slots, 32 bytes each.
  /// Assume 1 slot for sender
  /// For structs that contain arrays, 1 more slot is added to the front, reaching a total of 14.
  /// The fixed bytes does not cover struct data (this is represented by MESSAGE_FIXED_BYTES_PER_TOKEN)
  uint256 public constant MESSAGE_FIXED_BYTES = 32 * 15;

  /// @dev Any2EVMTokensTransfer struct bytes length
  /// 0x20
  /// sourcePoolAddress_offset
  /// destTokenAddress
  /// destGasAmount
  /// extraData_offset
  /// amount
  /// sourcePoolAddress_length
  /// sourcePoolAddress_content // assume 1 slot
  /// extraData_length // contents billed separately
  uint256 public constant MESSAGE_FIXED_BYTES_PER_TOKEN = 32 * (4 + (3 + 2));

  bytes32 internal constant ANY_2_EVM_MESSAGE_HASH = keccak256("Any2EVMMessageHashV1");
  bytes32 internal constant EVM_2_ANY_MESSAGE_HASH = keccak256("EVM2AnyMessageHashV1");

  /// @dev Used to hash messages for multi-lane family-agnostic OffRamps.
  /// OnRamp hash(EVM2AnyMessage) != Any2EVMRampMessage.messageId.
  /// OnRamp hash(EVM2AnyMessage) != OffRamp hash(Any2EVMRampMessage).
  /// @param original OffRamp message to hash.
  /// @param metadataHash Hash preimage to ensure global uniqueness.
  /// @return hashedMessage hashed message as a keccak256.
  function _hash(Any2EVMRampMessage memory original, bytes32 metadataHash) internal pure returns (bytes32) {
    // Fixed-size message fields are included in nested hash to reduce stack pressure.
    // This hashing scheme is also used by RMN. If changing it, please notify the RMN maintainers.
    return keccak256(
      abi.encode(
        MerkleMultiProof.LEAF_DOMAIN_SEPARATOR,
        metadataHash,
        keccak256(
          abi.encode(
            original.header.messageId,
            original.receiver,
            original.header.sequenceNumber,
            original.gasLimit,
            original.header.nonce
          )
        ),
        keccak256(original.sender),
        keccak256(original.data),
        keccak256(abi.encode(original.tokenAmounts))
      )
    );
  }

  function _hash(EVM2AnyRampMessage memory original, bytes32 metadataHash) internal pure returns (bytes32) {
    // Fixed-size message fields are included in nested hash to reduce stack pressure.
    // This hashing scheme is also used by RMN. If changing it, please notify the RMN maintainers.
    return keccak256(
      abi.encode(
        MerkleMultiProof.LEAF_DOMAIN_SEPARATOR,
        metadataHash,
        keccak256(
          abi.encode(
            original.sender,
            original.header.sequenceNumber,
            original.header.nonce,
            original.feeToken,
            original.feeTokenAmount
          )
        ),
        keccak256(original.receiver),
        keccak256(original.data),
        keccak256(abi.encode(original.tokenAmounts)),
        keccak256(original.extraArgs)
      )
    );
  }

  /// @dev We disallow the first 1024 addresses to avoid calling into a range known for hosting precompiles. Calling
  /// into precompiles probably won't cause any issues, but to be safe we can disallow this range. It is extremely
  /// unlikely that anyone would ever be able to generate an address in this range. There is no official range of
  /// precompiles, but EIP-7587 proposes to reserve the range 0x100 to 0x1ff. Our range is more conservative, even
  /// though it might not be exhaustive for all chains, which is OK. We also disallow the zero address, which is a
  /// common practice.
  uint256 public constant EVM_PRECOMPILE_SPACE = 1024;

  // According to the Aptos docs, the first 0xa addresses are reserved for precompiles.
  // https://github.com/aptos-labs/aptos-core/blob/main/aptos-move/framework/aptos-framework/doc/account.md#function-create_framework_reserved_account-1
  uint256 public constant APTOS_PRECOMPILE_SPACE = 0x0b;

  /// @notice This methods provides validation for parsing abi encoded addresses by ensuring the address is within the
  /// EVM address space. If it isn't it will revert with an InvalidEVMAddress error, which we can catch and handle
  /// more gracefully than a revert from abi.decode.
  function _validateEVMAddress(
    bytes memory encodedAddress
  ) internal pure {
    if (encodedAddress.length != 32) revert InvalidEVMAddress(encodedAddress);
    uint256 encodedAddressUint = abi.decode(encodedAddress, (uint256));
    if (encodedAddressUint > type(uint160).max || encodedAddressUint < EVM_PRECOMPILE_SPACE) {
      revert InvalidEVMAddress(encodedAddress);
    }
  }

  /// @notice This methods provides validation for parsing abi encoded addresses by ensuring the address is within the
  /// bounds of [minValue, uint256.max]. If it isn't it will revert with an Invalid32ByteAddress error.
  function _validate32ByteAddress(bytes memory encodedAddress, uint256 minValue) internal pure {
    if (encodedAddress.length != 32) revert Invalid32ByteAddress(encodedAddress);
    if (minValue > 0) {
      if (abi.decode(encodedAddress, (uint256)) < minValue) {
        revert Invalid32ByteAddress(encodedAddress);
      }
    }
  }

  /// @notice Enum listing the possible message execution states within the offRamp contract.
  /// UNTOUCHED never executed.
  /// IN_PROGRESS currently being executed, used a replay protection.
  /// SUCCESS successfully executed. End state.
  /// FAILURE unsuccessfully executed, manual execution is now enabled.
  /// @dev RMN depends on this enum, if changing, please notify the RMN maintainers.
  enum MessageExecutionState {
    UNTOUCHED,
    IN_PROGRESS,
    SUCCESS,
    FAILURE
  }

  /// @notice CCIP OCR plugin type, used to separate execution & commit transmissions and configs.
  enum OCRPluginType {
    Commit,
    Execution
  }

  /// @notice Family-agnostic header for OnRamp & OffRamp messages.
  /// The messageId is not expected to match hash(message), since it may originate from another ramp family.
  struct RampMessageHeader {
    bytes32 messageId; // Unique identifier for the message, generated with the source chain's encoding scheme (i.e. not necessarily abi.encoded).
    uint64 sourceChainSelector; // ─╮ the chain selector of the source chain, note: not chainId.
    uint64 destChainSelector; //    │ the chain selector of the destination chain, note: not chainId.
    uint64 sequenceNumber; //       │ sequence number, not unique across lanes.
    uint64 nonce; // ───────────────╯ nonce for this lane for this sender, not unique across senders/lanes.
  }

  struct EVM2AnyTokenTransfer {
    // The source pool EVM address. This value is trusted as it was obtained through the onRamp. It can be relied
    // upon by the destination pool to validate the source pool.
    address sourcePoolAddress;
    // The EVM address of the destination token.
    // This value is UNTRUSTED as any pool owner can return whatever value they want.
    bytes destTokenAddress;
    // Optional pool data to be transferred to the destination chain. Be default this is capped at
    // CCIP_LOCK_OR_BURN_V1_RET_BYTES bytes. If more data is required, the TokenTransferFeeConfig.destBytesOverhead
    // has to be set for the specific token.
    bytes extraData;
    uint256 amount; // Amount of tokens.
    // Destination chain data used to execute the token transfer on the destination chain. For an EVM destination, it
    // consists of the amount of gas available for the releaseOrMint and transfer calls made by the offRamp.
    bytes destExecData;
  }

  struct Any2EVMTokenTransfer {
    // The source pool EVM address encoded to bytes. This value is trusted as it is obtained through the onRamp. It can
    // be relied upon by the destination pool to validate the source pool.
    bytes sourcePoolAddress;
    address destTokenAddress; // ─╮ Address of destination token
    uint32 destGasAmount; // ─────╯ The amount of gas available for the releaseOrMint and transfer calls on the offRamp.
    // Optional pool data to be transferred to the destination chain. Be default this is capped at
    // CCIP_LOCK_OR_BURN_V1_RET_BYTES bytes. If more data is required, the TokenTransferFeeConfig.destBytesOverhead
    // has to be set for the specific token.
    bytes extraData;
    uint256 amount; // Amount of tokens.
  }

  /// @notice Family-agnostic message routed to an OffRamp.
  /// Note: hash(Any2EVMRampMessage) != hash(EVM2AnyRampMessage), hash(Any2EVMRampMessage) != messageId due to encoding
  /// and parameter differences.
  struct Any2EVMRampMessage {
    RampMessageHeader header; // Message header.
    bytes sender; // sender address on the source chain.
    bytes data; // arbitrary data payload supplied by the message sender.
    address receiver; // receiver address on the destination chain.
    uint256 gasLimit; // user supplied maximum gas amount available for dest chain execution.
    Any2EVMTokenTransfer[] tokenAmounts; // array of tokens and amounts to transfer.
  }

  /// @notice Family-agnostic message emitted from the OnRamp.
  /// Note: hash(Any2EVMRampMessage) != hash(EVM2AnyRampMessage) due to encoding & parameter differences.
  /// messageId = hash(EVM2AnyRampMessage) using the source EVM chain's encoding format.
  struct EVM2AnyRampMessage {
    RampMessageHeader header; // Message header.
    address sender; // sender address on the source chain.
    bytes data; // arbitrary data payload supplied by the message sender.
    bytes receiver; // receiver address on the destination chain.
    bytes extraArgs; // destination-chain specific extra args, such as the gasLimit for EVM chains.
    address feeToken; // fee token.
    uint256 feeTokenAmount; // fee token amount.
    uint256 feeValueJuels; // fee amount in Juels.
    EVM2AnyTokenTransfer[] tokenAmounts; // array of tokens and amounts to transfer.
  }

  // bytes4(keccak256("CCIP ChainFamilySelector EVM"));
  bytes4 public constant CHAIN_FAMILY_SELECTOR_EVM = 0x2812d52c;

  // bytes4(keccak256("CCIP ChainFamilySelector SVM"));
  bytes4 public constant CHAIN_FAMILY_SELECTOR_SVM = 0x1e10bdc4;

  // bytes4(keccak256("CCIP ChainFamilySelector APTOS"));
  bytes4 public constant CHAIN_FAMILY_SELECTOR_APTOS = 0xac77ffec;

  /// @dev Holds a merkle root and interval for a source chain so that an array of these can be passed in the CommitReport.
  /// @dev RMN depends on this struct, if changing, please notify the RMN maintainers.
  /// @dev inefficient struct packing intentionally chosen to maintain order of specificity. Not a storage struct so impact is minimal.
  // solhint-disable-next-line gas-struct-packing
  struct MerkleRoot {
    uint64 sourceChainSelector; // Remote source chain selector that the Merkle Root is scoped to
    bytes onRampAddress; //        Generic onRamp address, to support arbitrary sources; for EVM, use abi.encode
    uint64 minSeqNr; // ─────────╮ Minimum sequence number, inclusive
    uint64 maxSeqNr; // ─────────╯ Maximum sequence number, inclusive
    bytes32 merkleRoot; //         Merkle root covering the interval & source chain messages
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.4;

library MerkleMultiProof {
  /// @notice Leaf domain separator, should be used as the first 32 bytes of a leaf's preimage.
  bytes32 internal constant LEAF_DOMAIN_SEPARATOR = 0x0000000000000000000000000000000000000000000000000000000000000000;
  /// @notice Internal domain separator, should be used as the first 32 bytes of an internal node's preimage.
  bytes32 internal constant INTERNAL_DOMAIN_SEPARATOR =
    0x0000000000000000000000000000000000000000000000000000000000000001;

  uint256 internal constant MAX_NUM_HASHES = 256;

  error InvalidProof();
  error LeavesCannotBeEmpty();

  /// @notice Computes the root based on provided pre-hashed leaf nodes in leaves, internal nodes  in proofs, and using
  /// proofFlagBits' i-th bit to determine if an element of proofs or one of the previously computed leafs or internal
  /// nodes will be used for the i-th hash.
  /// @param leaves Should be pre-hashed and the first 32 bytes of a leaf's preimage should match LEAF_DOMAIN_SEPARATOR.
  /// @param proofs Hashes to be used instead of a leaf hash when the proofFlagBits indicates a proof should be used.
  /// @param proofFlagBits A single uint256 of which each bit indicates whether a leaf or a proof needs to be used in
  /// a hash operation.
  /// @dev the maximum number of hash operations it set to 256. Any input that would require more than 256 hashes to get
  /// to a root will revert.
  /// @dev For given input `leaves` = [a,b,c] `proofs` = [D] and `proofFlagBits` = 5
  ///     totalHashes = 3 + 1 - 1 = 3
  ///  ** round 1 **
  ///    proofFlagBits = (5 >> 0) & 1 = true
  ///    hashes[0] = hashPair(a, b)
  ///    (leafPos, hashPos, proofPos) = (2, 0, 0);
  ///
  ///  ** round 2 **
  ///    proofFlagBits = (5 >> 1) & 1 = false
  ///    hashes[1] = hashPair(D, c)
  ///    (leafPos, hashPos, proofPos) = (3, 0, 1);
  ///
  ///  ** round 3 **
  ///    proofFlagBits = (5 >> 2) & 1 = true
  ///    hashes[2] = hashPair(hashes[0], hashes[1])
  ///    (leafPos, hashPos, proofPos) = (3, 2, 1);
  ///
  ///    i = 3 and no longer < totalHashes. The algorithm is done
  ///    return hashes[totalHashes - 1] = hashes[2]; the last hash we computed.
  // We mark this function as internal to force it to be inlined in contracts that use it, but semantically it is public.
  function _merkleRoot(
    bytes32[] memory leaves,
    bytes32[] memory proofs,
    uint256 proofFlagBits
  ) internal pure returns (bytes32) {
    unchecked {
      uint256 leavesLen = leaves.length;
      uint256 proofsLen = proofs.length;
      if (leavesLen == 0) revert LeavesCannotBeEmpty();
      if (!(leavesLen <= MAX_NUM_HASHES + 1 && proofsLen <= MAX_NUM_HASHES + 1)) revert InvalidProof();
      uint256 totalHashes = leavesLen + proofsLen - 1;
      if (!(totalHashes <= MAX_NUM_HASHES)) revert InvalidProof();
      if (totalHashes == 0) {
        return leaves[0];
      }
      bytes32[] memory hashes = new bytes32[](totalHashes);
      (uint256 leafPos, uint256 hashPos, uint256 proofPos) = (0, 0, 0);

      for (uint256 i = 0; i < totalHashes; ++i) {
        // Checks if the bit flag signals the use of a supplied proof or a leaf/previous hash.
        bytes32 a;
        if (proofFlagBits & (1 << i) == (1 << i)) {
          // Use a leaf or a previously computed hash.
          if (leafPos < leavesLen) {
            a = leaves[leafPos++];
          } else {
            a = hashes[hashPos++];
          }
        } else {
          // Use a supplied proof.
          a = proofs[proofPos++];
        }

        // The second part of the hashed pair is never a proof as hashing two proofs would result in a
        // hash that can already be computed offchain.
        bytes32 b;
        if (leafPos < leavesLen) {
          b = leaves[leafPos++];
        } else {
          b = hashes[hashPos++];
        }

        if (!(hashPos <= i)) revert InvalidProof();

        hashes[i] = _hashPair(a, b);
      }
      if (!(hashPos == totalHashes - 1 && leafPos == leavesLen && proofPos == proofsLen)) revert InvalidProof();
      // Return the last hash.
      return hashes[totalHashes - 1];
    }
  }

  /// @notice Hashes two bytes32 objects in their given order, prepended by the INTERNAL_DOMAIN_SEPARATOR.
  function _hashInternalNode(bytes32 left, bytes32 right) private pure returns (bytes32 hash) {
    return keccak256(abi.encode(INTERNAL_DOMAIN_SEPARATOR, left, right));
  }

  /// @notice Hashes two bytes32 objects. The order is taken into account, using the lower value first.
  function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
    return a < b ? _hashInternalNode(a, b) : _hashInternalNode(b, a);
  }
}

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

/// @notice This library contains various token pool functions to aid constructing the return data.
library Pool {
  // The tag used to signal support for the pool v1 standard.
  // bytes4(keccak256("CCIP_POOL_V1"))
  bytes4 public constant CCIP_POOL_V1 = 0xaff2afbf;

  // The number of bytes in the return data for a pool v1 releaseOrMint call.
  // This should match the size of the ReleaseOrMintOutV1 struct.
  uint16 public constant CCIP_POOL_V1_RET_BYTES = 32;

  // The default max number of bytes in the return data for a pool v1 lockOrBurn call.
  // This data can be used to send information to the destination chain token pool. Can be overwritten
  // in the TokenTransferFeeConfig.destBytesOverhead if more data is required.
  uint32 public constant CCIP_LOCK_OR_BURN_V1_RET_BYTES = 32;

  struct LockOrBurnInV1 {
    bytes receiver; //  The recipient of the tokens on the destination chain, abi encoded.
    uint64 remoteChainSelector; // ─╮ The chain ID of the destination chain.
    address originalSender; // ─────╯ The original sender of the tx on the source chain.
    uint256 amount; //  The amount of tokens to lock or burn, denominated in the source token's decimals.
    address localToken; //  The address on this chain of the token to lock or burn.
  }

  struct LockOrBurnOutV1 {
    // The address of the destination token, abi encoded in the case of EVM chains.
    // This value is UNTRUSTED as any pool owner can return whatever value they want.
    bytes destTokenAddress;
    // Optional pool data to be transferred to the destination chain. Be default this is capped at
    // CCIP_LOCK_OR_BURN_V1_RET_BYTES bytes. If more data is required, the TokenTransferFeeConfig.destBytesOverhead
    // has to be set for the specific token.
    bytes destPoolData;
  }

  struct ReleaseOrMintInV1 {
    bytes originalSender; //          The original sender of the tx on the source chain.
    uint64 remoteChainSelector; // ─╮ The chain ID of the source chain.
    address receiver; // ───────────╯ The recipient of the tokens on the destination chain.
    uint256 amount; //                The amount of tokens to release or mint, denominated in the source token's decimals.
    address localToken; //            The address on this chain of the token to release or mint.
    /// @dev WARNING: sourcePoolAddress should be checked prior to any processing of funds. Make sure it matches the
    /// expected pool address for the given remoteChainSelector.
    bytes sourcePoolAddress; //       The address of the source pool, abi encoded in the case of EVM chains.
    bytes sourcePoolData; //          The data received from the source pool to process the release or mint.
    /// @dev WARNING: offchainTokenData is untrusted data.
    bytes offchainTokenData; //       The offchain data to process the release or mint.
  }

  struct ReleaseOrMintOutV1 {
    // The number of tokens released or minted on the destination chain, denominated in the local token's decimals.
    // This value is expected to be equal to the ReleaseOrMintInV1.amount in the case where the source and destination
    // chain have the same number of decimals.
    uint256 destinationAmount;
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;

library USDPriceWith18Decimals {
  /// @notice Takes a price in USD, with 18 decimals per 1e18 token amount, and amount of the smallest token
  /// denomination, calculates the value in USD with 18 decimals.
  /// @param tokenPrice The USD price of the token.
  /// @param tokenAmount Amount of the smallest token denomination.
  /// @return USD value with 18 decimals.
  /// @dev this function assumes that no more than 1e59 US dollar worth of token is passed in. If more is sent, this
  /// function will overflow and revert. Since there isn't even close to 1e59 dollars, this is ok for all legit tokens.
  function _calcUSDValueFromTokenAmount(uint224 tokenPrice, uint256 tokenAmount) internal pure returns (uint256) {
    /// LINK Example:
    /// tokenPrice:         8e18 -> $8/LINK, as 1e18 token amount is 1 LINK, worth 8 USD, or 8e18 with 18 decimals
    /// tokenAmount:        2e18 -> 2 LINK
    /// result:             8e18 * 2e18 / 1e18 -> 16e18 with 18 decimals = $16

    /// USDC Example:
    /// tokenPrice:         1e30 -> $1/USDC, as 1e18 token amount is 1e12 USDC, worth 1e12 USD, or 1e30 with 18 decimals
    /// tokenAmount:        5e6  -> 5 USDC
    /// result:             1e30 * 5e6 / 1e18 -> 5e18 with 18 decimals = $5
    return (tokenPrice * tokenAmount) / 1e18;
  }

  /// @notice Takes a price in USD, with 18 decimals per 1e18 token amount, and USD value with 18 decimals, calculates
  /// amount of the smallest token denomination.
  /// @param tokenPrice The USD price of the token.
  /// @param usdValue USD value with 18 decimals.
  /// @return Amount of the smallest token denomination.
  function _calcTokenAmountFromUSDValue(uint224 tokenPrice, uint256 usdValue) internal pure returns (uint256) {
    /// LINK Example:
    /// tokenPrice:          8e18 -> $8/LINK, as 1e18 token amount is 1 LINK, worth 8 USD, or 8e18 with 18 decimals
    /// usdValue:           16e18 -> $16
    /// result:             16e18 * 1e18 / 8e18 -> 2e18 = 2 LINK

    /// USDC Example:
    /// tokenPrice:         1e30 -> $1/USDC, as 1e18 token amount is 1e12 USDC, worth 1e12 USD, or 1e30 with 18 decimals
    /// usdValue:           5e18 -> $5
    /// result:             5e18 * 1e18 / 1e30 -> 5e6 = 5 USDC
    return (usdValue * 1e18) / tokenPrice;
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

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

/// @notice A minimal contract that implements 2-step ownership transfer and nothing more. It's made to be minimal
/// to reduce the impact of the bytecode size on any contract that inherits from it.
contract Ownable2Step is IOwnable {
  /// @notice The pending owner is the address to which ownership may be transferred.
  address private s_pendingOwner;
  /// @notice The owner is the current owner of the contract.
  /// @dev The owner is the second storage variable so any implementing contract could pack other state with it
  /// instead of the much less used s_pendingOwner.
  address private s_owner;

  error OwnerCannotBeZero();
  error MustBeProposedOwner();
  error CannotTransferToSelf();
  error OnlyCallableByOwner();

  event OwnershipTransferRequested(address indexed from, address indexed to);
  event OwnershipTransferred(address indexed from, address indexed to);

  constructor(address newOwner, address pendingOwner) {
    if (newOwner == address(0)) {
      revert OwnerCannotBeZero();
    }

    s_owner = newOwner;
    if (pendingOwner != address(0)) {
      _transferOwnership(pendingOwner);
    }
  }

  /// @notice Get the current owner
  function owner() public view override returns (address) {
    return s_owner;
  }

  /// @notice Allows an owner to begin transferring ownership to a new address. The new owner needs to call
  /// `acceptOwnership` to accept the transfer before any permissions are changed.
  /// @param to The address to which ownership will be transferred.
  function transferOwnership(address to) public override onlyOwner {
    _transferOwnership(to);
  }

  /// @notice validate, transfer ownership, and emit relevant events
  /// @param to The address to which ownership will be transferred.
  function _transferOwnership(address to) private {
    if (to == msg.sender) {
      revert CannotTransferToSelf();
    }

    s_pendingOwner = to;

    emit OwnershipTransferRequested(s_owner, to);
  }

  /// @notice Allows an ownership transfer to be completed by the recipient.
  function acceptOwnership() external override {
    if (msg.sender != s_pendingOwner) {
      revert MustBeProposedOwner();
    }

    address oldOwner = s_owner;
    s_owner = msg.sender;
    s_pendingOwner = address(0);

    emit OwnershipTransferred(oldOwner, msg.sender);
  }

  /// @notice validate access
  function _validateOwnership() internal view {
    if (msg.sender != s_owner) {
      revert OnlyCallableByOwner();
    }
  }

  /// @notice Reverts if called by anyone other than the contract owner.
  modifier onlyOwner() {
    _validateOwnership();
    _;
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import {Ownable2Step} from "./Ownable2Step.sol";

/// @notice Sets the msg.sender to be the owner of the contract and does not set a pending owner.
contract Ownable2StepMsgSender is Ownable2Step {
  constructor() Ownable2Step(msg.sender, address(0)) {}
}

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

interface IOwnable {
  function owner() external returns (address);

  function transferOwnership(address recipient) external;

  function acceptOwnership() external;
}

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

interface ITypeAndVersion {
  function typeAndVersion() external pure returns (string memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
  /**
   * @dev Emitted when `value` tokens are moved from one account (`from`) to
   * another (`to`).
   *
   * Note that `value` may be zero.
   */
  event Transfer(address indexed from, address indexed to, uint256 value);

  /**
   * @dev Emitted when the allowance of a `spender` for an `owner` is set by
   * a call to {approve}. `value` is the new allowance.
   */
  event Approval(address indexed owner, address indexed spender, uint256 value);

  /**
   * @dev Returns the amount of tokens in existence.
   */
  function totalSupply() external view returns (uint256);

  /**
   * @dev Returns the amount of tokens owned by `account`.
   */
  function balanceOf(address account) external view returns (uint256);

  /**
   * @dev Moves `amount` tokens from the caller's account to `to`.
   *
   * Returns a boolean value indicating whether the operation succeeded.
   *
   * Emits a {Transfer} event.
   */
  function transfer(address to, uint256 amount) external returns (bool);

  /**
   * @dev Returns the remaining number of tokens that `spender` will be
   * allowed to spend on behalf of `owner` through {transferFrom}. This is
   * zero by default.
   *
   * This value changes when {approve} or {transferFrom} are called.
   */
  function allowance(address owner, address spender) external view returns (uint256);

  /**
   * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
   *
   * Returns a boolean value indicating whether the operation succeeded.
   *
   * IMPORTANT: Beware that changing an allowance with this method brings the risk
   * that someone may use both the old and the new allowance by unfortunate
   * transaction ordering. One possible solution to mitigate this race
   * condition is to first reduce the spender's allowance to 0 and set the
   * desired value afterwards:
   * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
   *
   * Emits an {Approval} event.
   */
  function approve(address spender, uint256 amount) external returns (bool);

  /**
   * @dev Moves `amount` tokens from `from` to `to` using the
   * allowance mechanism. `amount` is then deducted from the caller's
   * allowance.
   *
   * Returns a boolean value indicating whether the operation succeeded.
   *
   * Emits a {Transfer} event.
   */
  function transferFrom(address from, address to, uint256 amount) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
  /**
   * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
   * given ``owner``'s signed approval.
   *
   * IMPORTANT: The same issues {IERC20-approve} has related to transaction
   * ordering also apply here.
   *
   * Emits an {Approval} event.
   *
   * Requirements:
   *
   * - `spender` cannot be the zero address.
   * - `deadline` must be a timestamp in the future.
   * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
   * over the EIP712-formatted function arguments.
   * - the signature must use ``owner``'s current nonce (see {nonces}).
   *
   * For more information on the signature format, see the
   * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
   * section].
   */
  function permit(
    address owner,
    address spender,
    uint256 value,
    uint256 deadline,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) external;

  /**
   * @dev Returns the current nonce for `owner`. This value must be
   * included whenever a signature is generated for {permit}.
   *
   * Every successful call to {permit} increases ``owner``'s nonce by one. This
   * prevents a signature from being used multiple times.
   */
  function nonces(address owner) external view returns (uint256);

  /**
   * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
   */
  // solhint-disable-next-line func-name-mixedcase
  function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
  using Address for address;

  function safeTransfer(IERC20 token, address to, uint256 value) internal {
    _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
  }

  function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
    _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
  }

  /**
   * @dev Deprecated. This function has issues similar to the ones found in
   * {IERC20-approve}, and its usage is discouraged.
   *
   * Whenever possible, use {safeIncreaseAllowance} and
   * {safeDecreaseAllowance} instead.
   */
  function safeApprove(IERC20 token, address spender, uint256 value) internal {
    // safeApprove should only be called when setting an initial allowance,
    // or when resetting it to zero. To increase and decrease it, use
    // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
    require(
      (value == 0) || (token.allowance(address(this), spender) == 0),
      "SafeERC20: approve from non-zero to non-zero allowance"
    );
    _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
  }

  function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
    uint256 newAllowance = token.allowance(address(this), spender) + value;
    _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
  }

  function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
    unchecked {
      uint256 oldAllowance = token.allowance(address(this), spender);
      require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
      uint256 newAllowance = oldAllowance - value;
      _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }
  }

  function safePermit(
    IERC20Permit token,
    address owner,
    address spender,
    uint256 value,
    uint256 deadline,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) internal {
    uint256 nonceBefore = token.nonces(owner);
    token.permit(owner, spender, value, deadline, v, r, s);
    uint256 nonceAfter = token.nonces(owner);
    require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
  }

  /**
   * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
   * on the return value: the return value is optional (but if data is returned, it must not be false).
   * @param token The token targeted by the call.
   * @param data The call data (encoded using abi.encode or one of its variants).
   */
  function _callOptionalReturn(IERC20 token, bytes memory data) private {
    // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
    // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
    // the target address contains contract code and also asserts for success in the low-level call.

    bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
    if (returndata.length > 0) {
      // Return data is optional
      require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
    }
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
  /**
   * @dev Returns true if `account` is a contract.
   *
   * [IMPORTANT]
   * ====
   * It is unsafe to assume that an address for which this function returns
   * false is an externally-owned account (EOA) and not a contract.
   *
   * Among others, `isContract` will return false for the following
   * types of addresses:
   *
   *  - an externally-owned account
   *  - a contract in construction
   *  - an address where a contract will be created
   *  - an address where a contract lived, but was destroyed
   * ====
   *
   * [IMPORTANT]
   * ====
   * You shouldn't rely on `isContract` to protect against flash loan attacks!
   *
   * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
   * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
   * constructor.
   * ====
   */
  function isContract(address account) internal view returns (bool) {
    // This method relies on extcodesize/address.code.length, which returns 0
    // for contracts in construction, since the code is only stored at the end
    // of the constructor execution.

    return account.code.length > 0;
  }

  /**
   * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
   * `recipient`, forwarding all available gas and reverting on errors.
   *
   * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
   * of certain opcodes, possibly making contracts go over the 2300 gas limit
   * imposed by `transfer`, making them unable to receive funds via
   * `transfer`. {sendValue} removes this limitation.
   *
   * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
   *
   * IMPORTANT: because control is transferred to `recipient`, care must be
   * taken to not create reentrancy vulnerabilities. Consider using
   * {ReentrancyGuard} or the
   * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
   */
  function sendValue(address payable recipient, uint256 amount) internal {
    require(address(this).balance >= amount, "Address: insufficient balance");

    (bool success, ) = recipient.call{value: amount}("");
    require(success, "Address: unable to send value, recipient may have reverted");
  }

  /**
   * @dev Performs a Solidity function call using a low level `call`. A
   * plain `call` is an unsafe replacement for a function call: use this
   * function instead.
   *
   * If `target` reverts with a revert reason, it is bubbled up by this
   * function (like regular Solidity function calls).
   *
   * Returns the raw returned data. To convert to the expected return value,
   * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
   *
   * Requirements:
   *
   * - `target` must be a contract.
   * - calling `target` with `data` must not revert.
   *
   * _Available since v3.1._
   */
  function functionCall(address target, bytes memory data) internal returns (bytes memory) {
    return functionCallWithValue(target, data, 0, "Address: low-level call failed");
  }

  /**
   * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
   * `errorMessage` as a fallback revert reason when `target` reverts.
   *
   * _Available since v3.1._
   */
  function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
    return functionCallWithValue(target, data, 0, errorMessage);
  }

  /**
   * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
   * but also transferring `value` wei to `target`.
   *
   * Requirements:
   *
   * - the calling contract must have an ETH balance of at least `value`.
   * - the called Solidity function must be `payable`.
   *
   * _Available since v3.1._
   */
  function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
    return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
  }

  /**
   * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
   * with `errorMessage` as a fallback revert reason when `target` reverts.
   *
   * _Available since v3.1._
   */
  function functionCallWithValue(
    address target,
    bytes memory data,
    uint256 value,
    string memory errorMessage
  ) internal returns (bytes memory) {
    require(address(this).balance >= value, "Address: insufficient balance for call");
    (bool success, bytes memory returndata) = target.call{value: value}(data);
    return verifyCallResultFromTarget(target, success, returndata, errorMessage);
  }

  /**
   * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
   * but performing a static call.
   *
   * _Available since v3.3._
   */
  function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
    return functionStaticCall(target, data, "Address: low-level static call failed");
  }

  /**
   * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
   * but performing a static call.
   *
   * _Available since v3.3._
   */
  function functionStaticCall(
    address target,
    bytes memory data,
    string memory errorMessage
  ) internal view returns (bytes memory) {
    (bool success, bytes memory returndata) = target.staticcall(data);
    return verifyCallResultFromTarget(target, success, returndata, errorMessage);
  }

  /**
   * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
   * but performing a delegate call.
   *
   * _Available since v3.4._
   */
  function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
    return functionDelegateCall(target, data, "Address: low-level delegate call failed");
  }

  /**
   * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
   * but performing a delegate call.
   *
   * _Available since v3.4._
   */
  function functionDelegateCall(
    address target,
    bytes memory data,
    string memory errorMessage
  ) internal returns (bytes memory) {
    (bool success, bytes memory returndata) = target.delegatecall(data);
    return verifyCallResultFromTarget(target, success, returndata, errorMessage);
  }

  /**
   * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
   * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
   *
   * _Available since v4.8._
   */
  function verifyCallResultFromTarget(
    address target,
    bool success,
    bytes memory returndata,
    string memory errorMessage
  ) internal view returns (bytes memory) {
    if (success) {
      if (returndata.length == 0) {
        // only check isContract if the call was successful and the return data is empty
        // otherwise we already know that it was a contract
        require(isContract(target), "Address: call to non-contract");
      }
      return returndata;
    } else {
      _revert(returndata, errorMessage);
    }
  }

  /**
   * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
   * revert reason or using the provided one.
   *
   * _Available since v4.3._
   */
  function verifyCallResult(
    bool success,
    bytes memory returndata,
    string memory errorMessage
  ) internal pure returns (bytes memory) {
    if (success) {
      return returndata;
    } else {
      _revert(returndata, errorMessage);
    }
  }

  function _revert(bytes memory returndata, string memory errorMessage) private pure {
    // Look for revert reason and bubble it up if present
    if (returndata.length > 0) {
      // The easiest way to bubble the revert reason is using memory via assembly
      /// @solidity memory-safe-assembly
      assembly {
        let returndata_size := mload(returndata)
        revert(add(32, returndata), returndata_size)
      }
    } else {
      revert(errorMessage);
    }
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

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

pragma solidity ^0.8.20;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```solidity
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 *
 * [WARNING]
 * ====
 * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
 * unusable.
 * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an
 * array of EnumerableSet.
 * ====
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position is the index of the value in the `values` array plus 1.
        // Position 0 is used to mean a value is not in the set.
        mapping(bytes32 value => uint256) _positions;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._positions[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We cache the value's position to prevent multiple reads from the same storage slot
        uint256 position = set._positions[value];

        if (position != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 valueIndex = position - 1;
            uint256 lastIndex = set._values.length - 1;

            if (valueIndex != lastIndex) {
                bytes32 lastValue = set._values[lastIndex];

                // Move the lastValue to the index where the value to delete is
                set._values[valueIndex] = lastValue;
                // Update the tracked position of the lastValue (that was just moved)
                set._positions[lastValue] = position;
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the tracked position for the deleted slot
            delete set._positions[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._positions[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        bytes32[] memory store = _values(set._inner);
        bytes32[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

{
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "appendCBOR": true,
    "bytecodeHash": "none",
    "useLiteralContent": false
  },
  "optimizer": {
    "enabled": true,
    "runs": 80000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "remappings": [
    "forge-std/=node_modules/@chainlink/contracts/src/v0.8/vendor/forge-std/src/",
    "@chainlink/=node_modules/@chainlink/contracts/src/v0.8/"
  ],
  "viaIR": true
}

• No Contract Security Audit Submitted- Submit Audit Here

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Internal.EVM2AnyRampMessage","name":"message","type":"tuple"}],"name":"CCIPMessageSent","type":"event"},{"anonymous":false,"inputs":[{"components":[{"internalType":"uint64","name":"chainSelector","type":"uint64"},{"internalType":"contract IRMNRemote","name":"rmnRemote","type":"address"},{"internalType":"address","name":"nonceManager","type":"address"},{"internalType":"address","name":"tokenAdminRegistry","type":"address"}],"indexed":false,"internalType":"struct OnRamp.StaticConfig","name":"staticConfig","type":"tuple"},{"components":[{"internalType":"address","name":"feeQuoter","type":"address"},{"internalType":"bool","name":"reentrancyGuardEntered","type":"bool"},{"internalType":"address","name":"messageInterceptor","type":"address"},{"internalType":"address","name":"feeAggregator","type":"address"},{"internalType":"address","name":"allowlistAdmin","type":"address"}],"indexed":false,"internalType":"struct OnRamp.DynamicConfig","name":"dynamicConfig","type":"tuple"}],"name":"ConfigSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint64","name":"destChainSelector","type":"uint64"},{"indexed":false,"internalType":"uint64","name":"sequenceNumber","type":"uint64"},{"indexed":false,"internalType":"contract IRouter","name":"router","type":"address"},{"indexed":false,"internalType":"bool","name":"allowlistEnabled","type":"bool"}],"name":"DestChainConfigSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"feeAggregator","type":"address"},{"indexed":true,"internalType":"address","name":"feeToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"FeeTokenWithdrawn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"OwnershipTransferRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint64","name":"destChainSelector","type":"uint64"},{"internalType":"bool","name":"allowlistEnabled","type":"bool"},{"internalType":"address[]","name":"addedAllowlistedSenders","type":"address[]"},{"internalType":"address[]","name":"removedAllowlistedSenders","type":"address[]"}],"internalType":"struct OnRamp.AllowlistConfigArgs[]","name":"allowlistConfigArgsItems","type":"tuple[]"}],"name":"applyAllowlistUpdates","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint64","name":"destChainSelector","type":"uint64"},{"internalType":"contract IRouter","name":"router","type":"address"},{"internalType":"bool","name":"allowlistEnabled","type":"bool"}],"internalType":"struct OnRamp.DestChainConfigArgs[]","name":"destChainConfigArgs","type":"tuple[]"}],"name":"applyDestChainConfigUpdates","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint64","name":"destChainSelector","type":"uint64"},{"components":[{"internalType":"bytes","name":"receiver","type":"bytes"},{"internalType":"bytes","name":"data","type":"bytes"},{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"internalType":"struct Client.EVMTokenAmount[]","name":"tokenAmounts","type":"tuple[]"},{"internalType":"address","name":"feeToken","type":"address"},{"internalType":"bytes","name":"extraArgs","type":"bytes"}],"internalType":"struct Client.EVM2AnyMessage","name":"message","type":"tuple"},{"internalType":"uint256","name":"feeTokenAmount","type":"uint256"},{"internalType":"address","name":"originalSender","type":"address"}],"name":"forwardFromRouter","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint64","name":"destChainSelector","type":"uint64"}],"name":"getAllowedSendersList","outputs":[{"internalType":"bool","name":"isEnabled","type":"bool"},{"internalType":"address[]","name":"configuredAddresses","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint64","name":"destChainSelector","type":"uint64"}],"name":"getDestChainConfig","outputs":[{"internalType":"uint64","name":"sequenceNumber","type":"uint64"},{"internalType":"bool","name":"allowlistEnabled","type":"bool"},{"internalType":"address","name":"router","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getDynamicConfig","outputs":[{"components":[{"internalType":"address","name":"feeQuoter","type":"address"},{"internalType":"bool","name":"reentrancyGuardEntered","type":"bool"},{"internalType":"address","name":"messageInterceptor","type":"address"},{"internalType":"address","name":"feeAggregator","type":"address"},{"internalType":"address","name":"allowlistAdmin","type":"address"}],"internalType":"struct OnRamp.DynamicConfig","name":"dynamicConfig","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint64","name":"destChainSelector","type":"uint64"}],"name":"getExpectedNextSequenceNumber","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint64","name":"destChainSelector","type":"uint64"},{"components":[{"internalType":"bytes","name":"receiver","type":"bytes"},{"internalType":"bytes","name":"data","type":"bytes"},{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"internalType":"struct Client.EVMTokenAmount[]","name":"tokenAmounts","type":"tuple[]"},{"internalType":"address","name":"feeToken","type":"address"},{"internalType":"bytes","name":"extraArgs","type":"bytes"}],"internalType":"struct Client.EVM2AnyMessage","name":"message","type":"tuple"}],"name":"getFee","outputs":[{"internalType":"uint256","name":"feeTokenAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint64","name":"","type":"uint64"},{"internalType":"contract IERC20","name":"sourceToken","type":"address"}],"name":"getPoolBySourceToken","outputs":[{"internalType":"contract IPoolV1","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getStaticConfig","outputs":[{"components":[{"internalType":"uint64","name":"chainSelector","type":"uint64"},{"internalType":"contract IRMNRemote","name":"rmnRemote","type":"address"},{"internalType":"address","name":"nonceManager","type":"address"},{"internalType":"address","name":"tokenAdminRegistry","type":"address"}],"internalType":"struct OnRamp.StaticConfig","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint64","name":"","type":"uint64"}],"name":"getSupportedTokens","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"feeQuoter","type":"address"},{"internalType":"bool","name":"reentrancyGuardEntered","type":"bool"},{"internalType":"address","name":"messageInterceptor","type":"address"},{"internalType":"address","name":"feeAggregator","type":"address"},{"internalType":"address","name":"allowlistAdmin","type":"address"}],"internalType":"struct OnRamp.DynamicConfig","name":"dynamicConfig","type":"tuple"}],"name":"setDynamicConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"typeAndVersion","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"feeTokens","type":"address[]"}],"name":"withdrawFeeTokens","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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