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0x9ae506cDDd27DEe1275fd1fe6627E5dc65257061
 
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Receive Message ...1190260752024-04-20 22:08:471 min ago1713650927IN
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0 ETH0.000007630.01867694
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0 ETH0.000007620.01866425
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0 ETH0.000007690.01883427
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0 ETH0.000006780.01659094
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0 ETH0.000006780.01659094
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0 ETH0.000006780.01659094
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1190260752024-04-20 22:08:471 min ago1713650927
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1190260732024-04-20 22:08:431 min ago1713650923
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1190257082024-04-20 21:56:3313 mins ago1713650193
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Contract Source Code Verified (Exact Match)

Contract Name:
Portico

Compiler Version
v0.8.20+commit.a1b79de6

Optimization Enabled:
Yes with 200 runs

Other Settings:
paris EvmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 13 : Portico.sol
// SPDX-License-Identifier: UNLICENSE
pragma solidity ^0.8.9;

import "./PorticoStructs.sol";
import "./ITokenBridge.sol";
import "./IWormhole.sol";
import "./IERC20.sol";
import "./IWETH.sol";

//uniswap
import "./uniswap/ISwapRouter02.sol";

//oz
import "./oz/Ownable.sol";
import "./oz/ReentrancyGuard.sol";
import "./oz/SafeERC20.sol";

contract PorticoBase is Ownable, ReentrancyGuard {
  using SafeERC20 for IERC20;

  ISwapRouter02 public immutable ROUTERV3;
  ITokenBridge public immutable TOKENBRIDGE;
  IWETH public immutable WETH;
  IWormhole public immutable wormhole;
  uint16 public immutable wormholeChainId;

  address public FEE_RECIPIENT;

  constructor(ISwapRouter02 _routerV3, ITokenBridge _bridge, IWETH _weth, address _feeRecipient) Ownable(_msgSender()) {
    ROUTERV3 = _routerV3;
    TOKENBRIDGE = _bridge;
    wormhole = _bridge.wormhole();
    WETH = _weth;
    wormholeChainId = wormhole.chainId();
    FEE_RECIPIENT = _feeRecipient;
  }

  function version() external pure returns (uint32) {
    return 1;
  }

  ///@notice config recipient for relayer fees
  function setFeeRecipient(address newFeeRecipient) external onlyOwner {
    FEE_RECIPIENT = newFeeRecipient;
  }

  ///@notice if current approval is insufficient, approve max
  ///@notice oz safeIncreaseAllowance controls for tokens that require allowance to be reset to 0 before increasing again
  function updateApproval(address spender, IERC20 token, uint256 amount) internal {
    // get current allowance
    uint256 currentAllowance = token.allowance(address(this), spender);
    if (currentAllowance < amount) {
      // amount is a delta, so need to pass max - current to avoid overflow
      token.safeIncreaseAllowance(spender, type(uint256).max - (currentAllowance + 1));
    }
  }
}

abstract contract PorticoStart is PorticoBase {
  using PorticoFlagSetAccess for PorticoFlagSet;
  using SafeERC20 for IERC20;

  function _start_v3swap(PorticoStructs.TradeParameters memory params, uint256 actualAmount) internal returns (uint256 amount) {
    updateApproval(address(ROUTERV3), params.startTokenAddress, actualAmount);

    ROUTERV3.exactInputSingle(
      ISwapRouter02.ExactInputSingleParams(
        address(params.startTokenAddress), //tokenIn
        address(params.canonAssetAddress), //tokenOut
        params.flags.feeTierStart(), //fee
        address(this), //recipient
        actualAmount, //amountIn
        params.minAmountStart, //minAmountReceived
        0
      )
    );

    amount = params.canonAssetAddress.balanceOf(address(this));
  }

  event PorticoSwapStart(uint64 indexed sequence, uint16 indexed chainId);

  function start(
    PorticoStructs.TradeParameters memory params
  ) external payable nonReentrant returns (address emitterAddress, uint16 chainId, uint64 sequence) {
    uint256 amount;
    uint256 whMessageFee = wormhole.messageFee();
    uint256 value = msg.value;
    // always check for native wrapping logic
    if (address(params.startTokenAddress) == address(WETH) && params.flags.shouldWrapNative()) {
      // if wrapping, msg.value should be exactly amountSpecified + wormhole message fee
      require(value == params.amountSpecified + whMessageFee, "msg.value incorrect");
      // if we are wrapping a token, we call WETH.deposit for the user, assuming we have been sent what we need.
      WETH.deposit{ value: params.amountSpecified }();
      // because wormhole rounds to 1e8, some dust may exist from previous txs
      // we use balanceOf to lump this in with future txs
      amount = WETH.balanceOf(address(this));
    } else {
      // ensure no eth needs to be refunded
      require(value == whMessageFee, "msg.value incorrect");
      // otherwise, just get the token we need to do the swap (if we are swapping, or just the token itself)
      params.startTokenAddress.safeTransferFrom(_msgSender(), address(this), params.amountSpecified);
      // Because wormhole rounds to 1e8, some dust may exist from previous txs
      // we use balanceOf to lump this in with future txs
      amount = params.startTokenAddress.balanceOf(address(this));
    }

    // sanity check amount received
    require(amount >= params.amountSpecified, "transfer insufficient");

    // if the start token is the canon token, we don't need to swap
    if (params.startTokenAddress != params.canonAssetAddress) {
      // do the swap, and amount is now the amount that we received from the swap
      amount = _start_v3swap(params, amount);
    }

    // allow the token bridge to do its token bridge things
    updateApproval(address(TOKENBRIDGE), params.canonAssetAddress, amount);

    // now we need to produce the payload we are sending
    PorticoStructs.DecodedVAA memory decodedVAA = PorticoStructs.DecodedVAA(
      params.flags,
      params.finalTokenAddress,
      params.recipientAddress,
      amount,
      params.minAmountFinish,
      params.relayerFee
    );

    // send the actual transfer tx, and get the sequence
    sequence = TOKENBRIDGE.transferTokensWithPayload{ value: whMessageFee }(
      address(params.canonAssetAddress),
      amount,
      params.flags.recipientChain(),
      padAddress(params.recipientPorticoAddress),
      params.flags.bridgeNonce(),
      abi.encode(decodedVAA)
    );

    // local chain id
    chainId = wormholeChainId;

    // emitter is the local tokenbridge
    emitterAddress = address(TOKENBRIDGE);

    // emit event
    emit PorticoSwapStart(sequence, chainId);
  }

  ///@notice @return addr in bytes32 format, as required by Wormhole
  function padAddress(address addr) internal pure returns (bytes32) {
    return bytes32(uint256(uint160(addr)));
  }
}

abstract contract PorticoFinish is PorticoBase {
  using PorticoFlagSetAccess for PorticoFlagSet;
  using SafeERC20 for IERC20;

  event PorticoSwapFinish(bool swapCompleted, uint256 finaluserAmount, uint256 relayerFeeAmount, PorticoStructs.DecodedVAA data);

  // receiveMessageAndSwap is the entrypoint for finishing the swap
  function receiveMessageAndSwap(bytes calldata encodedTransferMessage) external nonReentrant {
    // start by calling _completeTransfer, submitting the VAA to the token bridge
    (PorticoStructs.DecodedVAA memory message, PorticoStructs.BridgeInfo memory bridgeInfo) = _completeTransfer(encodedTransferMessage);

    // we modify the message to set the relayerFee to 0 if the msgSender is the fee recipient
    // this allows users to self-relay and not pay the fee, even if the fee was set to non-zero at tx origin
    bridgeInfo.relayerFeeAmount = (_msgSender() == message.recipientAddress) ? 0 : message.relayerFee;

    //now process
    (bool swapCompleted, uint256 finalUserAmount) = finish(message, bridgeInfo);

    // simply emit the raw data bytes. it should be trivial to parse.
    emit PorticoSwapFinish(swapCompleted, finalUserAmount, bridgeInfo.relayerFeeAmount, message);
  }

  // _completeTransfer takes the vaa for a payload3 token transfer, redeems it with the token bridge, and returns the decoded vaa payload
  function _completeTransfer(
    bytes calldata encodedTransferMessage
  ) internal returns (PorticoStructs.DecodedVAA memory message, PorticoStructs.BridgeInfo memory bridgeInfo) {
    /**
     * Call `completeTransferWithPayload` on the token bridge. This
     * method acts as a reentrancy protection since it does not allow
     * transfers to be redeemed more than once.
     */
    bytes memory transferPayload = TOKENBRIDGE.completeTransferWithPayload(encodedTransferMessage);

    // parse the wormhole message payload into the `TransferWithPayload` struct, a payload3 token transfer
    ITokenBridge.TransferWithPayload memory transfer = TOKENBRIDGE.parseTransferWithPayload(transferPayload);

    // ensure that the to address is this address
    require(unpadAddress(transfer.to) == address(this) && transfer.toChain == wormholeChainId, "Token not sent to this address");

    // decode the payload3 we originally sent into the decodedVAA struct.
    message = abi.decode(transfer.payload, (PorticoStructs.DecodedVAA));
    // get the address for the token on this address.
    bridgeInfo.tokenReceived = IERC20(
      transfer.tokenChain == wormholeChainId
        ? unpadAddress(transfer.tokenAddress)
        : TOKENBRIDGE.wrappedAsset(transfer.tokenChain, transfer.tokenAddress)
    );

    // put the transfer amount into amountReceived, knowing we may need to change it in a sec
    bridgeInfo.amountReceived = transfer.amount;

    // if there are more than 8 decimals, we need to denormalize. wormhole token bridge truncates tokens of more than 8 decimals to 8 decimals.
    uint8 decimals = bridgeInfo.tokenReceived.decimals();
    if (decimals > 8) {
      bridgeInfo.amountReceived *= uint256(10) ** (decimals - 8);
    }
  }

  ///@notice determines we need to swap and/or unwrap, does those things if needed, and sends tokens to user & pays relayer fee
  function finish(
    PorticoStructs.DecodedVAA memory params,
    PorticoStructs.BridgeInfo memory bridgeInfo
  ) internal returns (bool swapCompleted, uint256 finalUserAmount) {
    // see if the unwrap flag is set, and that the finalTokenAddress is the address we have set on deploy as our native weth9 address
    bool shouldUnwrap = params.flags.shouldUnwrapNative() && address(params.finalTokenAddress) == address(WETH);
    if ((params.finalTokenAddress) == bridgeInfo.tokenReceived) {
      // this means that we don't need to do a swap, aka, we received the canon asset.
      finalUserAmount = payOut(shouldUnwrap, params.finalTokenAddress, params.recipientAddress, bridgeInfo.relayerFeeAmount);
      return (false, finalUserAmount);
    }

    // if we are here, if means we need to do the swap, resulting aset from the swap is sent to this contract
    swapCompleted = _finish_v3swap(params, bridgeInfo);

    // if the swap fails, we just transfer the amount we received from the token bridge to the recipientAddress.
    if (!swapCompleted) {
      bridgeInfo.tokenReceived.transfer(params.recipientAddress, bridgeInfo.amountReceived);
      // we also mark swapCompleted to be false for PorticoSwapFinish event
      return (swapCompleted, bridgeInfo.amountReceived);
    }
    // we must call payout if the swap was completed
    finalUserAmount = payOut(shouldUnwrap, params.finalTokenAddress, params.recipientAddress, bridgeInfo.relayerFeeAmount);
  }

  /**
   * @notice perform the swap via Uniswap V3 Router
   * if swap fails, we don't pay fees to the relayer
   * the reason is because that typically, the swap fails because of bad market conditions
   * in this case, it is in the best interest of the mev/relayer to NOT relay this message until conditions are good
   * the user of course, who if they self relay, does not pay a fee, does not have this problem, so they can force this if they wish
   * swap failed - return canon asset to recipient
   * it will return true if the swap was completed, indicating that funds need to be sent from this contract to the recipient
   */
  function _finish_v3swap(
    PorticoStructs.DecodedVAA memory params,
    PorticoStructs.BridgeInfo memory bridgeInfo
  ) internal returns (bool swapCompleted) {
    // set swap options with params decoded from the payload
    ISwapRouter02.ExactInputSingleParams memory swapParams = ISwapRouter02.ExactInputSingleParams({
      tokenIn: address(bridgeInfo.tokenReceived),
      tokenOut: address(params.finalTokenAddress),
      fee: params.flags.feeTierFinish(),
      recipient: address(this), // we need to receive the token in order to correctly split the fee. tragic.
      amountIn: bridgeInfo.amountReceived,
      amountOutMinimum: params.minAmountFinish,
      sqrtPriceLimitX96: 0 //sqrtPriceLimit is not used
    });

    // update approval
    updateApproval(address(ROUTERV3), bridgeInfo.tokenReceived, bridgeInfo.amountReceived);

    // try the swap
    try ROUTERV3.exactInputSingle(swapParams) {
      swapCompleted = true;
    } catch {}
  }

  ///@notice pay out to user and relayer
  ///@notice this should always be called UNLESS swap fails, in which case payouts happen there
  // NOTE if relayerFeeAmount is incorrectly scaled, then the end user may receive nothing, and all proceeds go to relayer
  // it is incumbent upon the cross chain tx origin to ensure the relayerFeeAmount is passed correctly
  function payOut(bool unwrap, IERC20 finalToken, address recipient, uint256 relayerFeeAmount) internal returns (uint256 finalUserAmount) {
    uint256 totalBalance = finalToken.balanceOf(address(this));

    // square up balances with what we actually have, don't trust reporting from the bridge
    if (relayerFeeAmount > totalBalance) {
      // control for underflow
      finalUserAmount = 0;
      relayerFeeAmount = totalBalance;
    } else {
      // user gets total - relayer fee
      finalUserAmount = totalBalance - relayerFeeAmount;
    }

    // if feeRecipient is not set, then send fees to msg.sender
    address feeRecipient = FEE_RECIPIENT == address(0x0) ? _msgSender() : FEE_RECIPIENT;

    if (unwrap) {
      WETH.withdraw(WETH.balanceOf(address(this)));
      if (finalUserAmount > 0) {
        // send to user
        sendEther(recipient, finalUserAmount);
      }
      if (relayerFeeAmount > 0) {
        // pay relayer fee
        sendEther(feeRecipient, relayerFeeAmount);
      }
    } else {
      // send to user
      if (finalUserAmount > 0) {
        finalToken.safeTransfer(recipient, finalUserAmount);
      }
      if (relayerFeeAmount > 0) {
        // pay relayer fee
        finalToken.safeTransfer(feeRecipient, relayerFeeAmount);
      }
    }
  }

  receive() external payable {}

  ///@dev https://github.com/wormhole-foundation/wormhole-solidity-sdk/blob/main/src/Utils.sol#L10-L15
  function unpadAddress(bytes32 whFormatAddress) internal pure returns (address) {
    if (uint256(whFormatAddress) >> 160 != 0) {
      revert("Not EVM Addr");
    }
    return address(uint160(uint256(whFormatAddress)));
  }

  ///@notice send ether without exposing to gas griefing attacks via returned bytes
  function sendEther(address to, uint256 value) internal {
    bool sent;
    assembly {
      sent := call(gas(), to, value, 0, 0, 0, 0)
    }
    if (!sent) {
      revert("failed to send ether");
    }
  }
}

contract Portico is PorticoFinish, PorticoStart {
  constructor(
    ISwapRouter02 _routerV3,
    ITokenBridge _bridge,
    IWETH _weth,
    address _feeRecipient
  ) PorticoBase(_routerV3, _bridge, _weth, _feeRecipient) {}
}

File 2 of 13 : IERC20.sol
// SPDX-License-Identifier: UNLICENSE
pragma solidity ^0.8.9;

interface IERC20 {
  function transfer(address to, uint256 value) external returns (bool);

  function transferFrom(address from, address to, uint256 value) external returns (bool success);

  function balanceOf(address account) external view returns (uint256);

  function approve(address spender, uint256 value) external returns (bool success);

  function decimals() external view returns (uint8);

  function allowance(address owner, address spender) external view returns (uint256);
}

File 3 of 13 : ITokenBridge.sol
// SPDX-License-Identifier: UNLICENSE
pragma solidity ^0.8.9;

import "./IWETH.sol";
import "./IWormhole.sol";

interface ITokenBridge {
    struct Transfer {
        uint8 payloadID;
        uint256 amount;
        bytes32 tokenAddress;
        uint16 tokenChain;
        bytes32 to;
        uint16 toChain;
        uint256 fee;
    }

    struct TransferWithPayload {
        uint8 payloadID;
        uint256 amount;
        bytes32 tokenAddress;
        uint16 tokenChain;
        bytes32 to;
        uint16 toChain;
        bytes32 fromAddress;
        bytes payload;
    }

    struct AssetMeta {
        uint8 payloadID;
        bytes32 tokenAddress;
        uint16 tokenChain;
        uint8 decimals;
        bytes32 symbol;
        bytes32 name;
    }

    struct RegisterChain {
        bytes32 module;
        uint8 action;
        uint16 chainId;

        uint16 emitterChainID;
        bytes32 emitterAddress;
    }

     struct UpgradeContract {
        bytes32 module;
        uint8 action;
        uint16 chainId;

        bytes32 newContract;
    }

    struct RecoverChainId {
        bytes32 module;
        uint8 action;

        uint256 evmChainId;
        uint16 newChainId;
    }

    event ContractUpgraded(address indexed oldContract, address indexed newContract);

    event TransferRedeemed(uint16 indexed emitterChainId, bytes32 indexed emitterAddress, uint64 indexed sequence);

    function _parseTransferCommon(bytes memory encoded) external pure returns (Transfer memory transfer);

    function attestToken(address tokenAddress, uint32 nonce) external payable returns (uint64 sequence);

    function wrapAndTransferETH(uint16 recipientChain, bytes32 recipient, uint256 arbiterFee, uint32 nonce) external payable returns (uint64 sequence);

    function wrapAndTransferETHWithPayload(uint16 recipientChain, bytes32 recipient, uint32 nonce, bytes memory payload) external payable returns (uint64 sequence);

    function transferTokens(address token, uint256 amount, uint16 recipientChain, bytes32 recipient, uint256 arbiterFee, uint32 nonce) external payable returns (uint64 sequence);

    function transferTokensWithPayload(address token, uint256 amount, uint16 recipientChain, bytes32 recipient, uint32 nonce, bytes memory payload) external payable returns (uint64 sequence);

    function updateWrapped(bytes memory encodedVm) external returns (address token);

    function createWrapped(bytes memory encodedVm) external returns (address token);

    function completeTransferWithPayload(bytes memory encodedVm) external returns (bytes memory);

    function completeTransferAndUnwrapETHWithPayload(bytes memory encodedVm) external returns (bytes memory);

    function completeTransfer(bytes memory encodedVm) external;

    function completeTransferAndUnwrapETH(bytes memory encodedVm) external;

    function encodeAssetMeta(AssetMeta memory meta) external pure returns (bytes memory encoded);

    function encodeTransfer(Transfer memory transfer) external pure returns (bytes memory encoded);

    function encodeTransferWithPayload(TransferWithPayload memory transfer) external pure returns (bytes memory encoded);

    function parsePayloadID(bytes memory encoded) external pure returns (uint8 payloadID);

    function parseAssetMeta(bytes memory encoded) external pure returns (AssetMeta memory meta);

    function parseTransfer(bytes memory encoded) external pure returns (Transfer memory transfer);

    function parseTransferWithPayload(bytes memory encoded) external pure returns (TransferWithPayload memory transfer);

    function governanceActionIsConsumed(bytes32 hash) external view returns (bool);

    function isInitialized(address impl) external view returns (bool);

    function isTransferCompleted(bytes32 hash) external view returns (bool);

    function wormhole() external view returns (IWormhole);

    function chainId() external view returns (uint16);

    function evmChainId() external view returns (uint256);

    function isFork() external view returns (bool);

    function governanceChainId() external view returns (uint16);

    function governanceContract() external view returns (bytes32);

    function wrappedAsset(uint16 tokenChainId, bytes32 tokenAddress) external view returns (address);

    function bridgeContracts(uint16 chainId_) external view returns (bytes32);

    function tokenImplementation() external view returns (address);

    function WETH() external view returns (IWETH);

    function outstandingBridged(address token) external view returns (uint256);

    function isWrappedAsset(address token) external view returns (bool);

    function finality() external view returns (uint8);

    function implementation() external view returns (address);

    function initialize() external;

    function registerChain(bytes memory encodedVM) external;

    function upgrade(bytes memory encodedVM) external;

    function submitRecoverChainId(bytes memory encodedVM) external;

    function parseRegisterChain(bytes memory encoded) external pure returns (RegisterChain memory chain);

    function parseUpgrade(bytes memory encoded) external pure returns (UpgradeContract memory chain);

    function parseRecoverChainId(bytes memory encodedRecoverChainId) external pure returns (RecoverChainId memory rci);
}

File 4 of 13 : IWETH.sol
// SPDX-License-Identifier: UNLICENSE
pragma solidity ^0.8.9;

import "./IERC20.sol";

interface IWETH is IERC20{
    function deposit() external payable;
    function transfer(address to, uint value) external returns (bool);
    function withdraw(uint) external;
}

File 5 of 13 : IWormhole.sol
// SPDX-License-Identifier: UNLICENSE
pragma solidity ^0.8.9;

interface IWormhole {
  struct GuardianSet {
    address[] keys;
    uint32 expirationTime;
  }

  struct Signature {
    bytes32 r;
    bytes32 s;
    uint8 v;
    uint8 guardianIndex;
  }

  /**
  struct Signature {
    uint8 index;
    bytes signature;
    string name;
  }
   */

  struct VM {
    uint8 version;
    uint32 timestamp;
    uint32 nonce;
    uint16 emitterChainId;
    bytes32 emitterAddress;
    uint64 sequence;
    uint8 consistencyLevel;
    bytes payload;
    uint32 guardianSetIndex;
    Signature[] signatures;
    bytes32 hash;
  }

  struct ContractUpgrade {
    bytes32 module;
    uint8 action;
    uint16 chain;
    address newContract;
  }

  struct GuardianSetUpgrade {
    bytes32 module;
    uint8 action;
    uint16 chain;
    GuardianSet newGuardianSet;
    uint32 newGuardianSetIndex;
  }

  struct SetMessageFee {
    bytes32 module;
    uint8 action;
    uint16 chain;
    uint256 messageFee;
  }

  struct TransferFees {
    bytes32 module;
    uint8 action;
    uint16 chain;
    uint256 amount;
    bytes32 recipient;
  }

  struct RecoverChainId {
    bytes32 module;
    uint8 action;
    uint256 evmChainId;
    uint16 newChainId;
  }

  event LogMessagePublished(address indexed sender, uint64 sequence, uint32 nonce, bytes payload, uint8 consistencyLevel);
  event ContractUpgraded(address indexed oldContract, address indexed newContract);
  event GuardianSetAdded(uint32 indexed index);

  function publishMessage(uint32 nonce, bytes memory payload, uint8 consistencyLevel) external payable returns (uint64 sequence);

  function testSigs() external returns (Signature[] memory signatures);

  function test8() external returns (uint8 test);

  function testBytes() external returns (bytes memory payload);

  function testBigKahuna() external returns (VM memory vm);

  function initialize() external;

  function parseAndVerifyVM(bytes calldata encodedVM) external view returns (VM memory vm, bool valid, string memory reason);

  function verifyVM(VM memory vm) external view returns (bool valid, string memory reason);

  function verifySignatures(
    bytes32 hash,
    Signature[] memory signatures,
    GuardianSet memory guardianSet
  ) external pure returns (bool valid, string memory reason);

  function parseVM(bytes memory encodedVM) external pure returns (VM memory vm);

  function quorum(uint numGuardians) external pure returns (uint numSignaturesRequiredForQuorum);

  function getGuardianSet(uint32 index) external view returns (GuardianSet memory);

  function getCurrentGuardianSetIndex() external view returns (uint32);

  function getGuardianSetExpiry() external view returns (uint32);

  function governanceActionIsConsumed(bytes32 hash) external view returns (bool);

  function isInitialized(address impl) external view returns (bool);

  function chainId() external view returns (uint16);

  function isFork() external view returns (bool);

  function governanceChainId() external view returns (uint16);

  function governanceContract() external view returns (bytes32);

  function messageFee() external view returns (uint256);

  function evmChainId() external view returns (uint256);

  function nextSequence(address emitter) external view returns (uint64);

  function parseContractUpgrade(bytes memory encodedUpgrade) external pure returns (ContractUpgrade memory cu);

  function parseGuardianSetUpgrade(bytes memory encodedUpgrade) external pure returns (GuardianSetUpgrade memory gsu);

  function parseSetMessageFee(bytes memory encodedSetMessageFee) external pure returns (SetMessageFee memory smf);

  function parseTransferFees(bytes memory encodedTransferFees) external pure returns (TransferFees memory tf);

  function parseRecoverChainId(bytes memory encodedRecoverChainId) external pure returns (RecoverChainId memory rci);

  function submitContractUpgrade(bytes memory _vm) external;

  function submitSetMessageFee(bytes memory _vm) external;

  function submitNewGuardianSet(bytes memory _vm) external;

  function submitTransferFees(bytes memory _vm) external;

  function submitRecoverChainId(bytes memory _vm) external;
}

File 6 of 13 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)

pragma solidity ^0.8.20;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error AddressInsufficientBalance(address account);

    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedInnerCall();

    /**
     * @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://consensys.net/diligence/blog/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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert AddressInsufficientBalance(address(this));
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert FailedInnerCall();
        }
    }

    /**
     * @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 or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {FailedInnerCall} error.
     *
     * 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.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @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`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert AddressInsufficientBalance(address(this));
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

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

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

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
     * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an
     * unsuccessful call.
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
     * revert reason or with a default {FailedInnerCall} error.
     */
    function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

    /**
     * @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.
     */
    function _revert(bytes memory returndata) 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 FailedInnerCall();
        }
    }
}

File 7 of 13 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Context.sol)

pragma solidity ^0.8.20;

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

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

File 8 of 13 : IERC20Permit.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[ERC-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC-20 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.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
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].
     *
     * CAUTION: See Security Considerations above.
     */
    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);
}

File 9 of 13 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

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

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

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

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

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

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

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

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

File 10 of 13 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/ReentrancyGuard.sol)

pragma solidity ^0.8.20;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant NOT_ENTERED = 1;
    uint256 private constant ENTERED = 2;

    uint256 private _status;

    /**
     * @dev Unauthorized reentrant call.
     */
    error ReentrancyGuardReentrantCall();

    constructor() {
        _status = NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be NOT_ENTERED
        if (_status == ENTERED) {
            revert ReentrancyGuardReentrantCall();
        }

        // Any calls to nonReentrant after this point will fail
        _status = ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == ENTERED;
    }
}

File 11 of 13 : SafeERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "./IERC20Permit.sol";
import {Address} from "./Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC-20 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;

    /**
     * @dev An operation with an ERC-20 token failed.
     */
    error SafeERC20FailedOperation(address token);

    /**
     * @dev Indicates a failed `decreaseAllowance` request.
     */
    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @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);
        if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @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).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // 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 cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0;
    }
}

File 12 of 13 : PorticoStructs.sol
// SPDX-License-Identifier: UNLICENSE
pragma solidity ^0.8.9;

import "./IERC20.sol";

type PorticoFlagSet is bytes32;

library PorticoFlagSetAccess {
  // the portico uses one word (32 bytes) to represent a large amount of variables

  // bytes 0-1 is the recipient chain
  function recipientChain(PorticoFlagSet flagset) internal pure returns (uint16 ans) {
    assembly {
      ans := add(byte(0, flagset), shl(8, byte(1, flagset)))
    }
  }

  // bytes 2-5 is the bridge nonce
  function bridgeNonce(PorticoFlagSet flagset) internal pure returns (uint32 ans) {
    assembly {
      ans := add(add(add(byte(2, flagset), shl(8, byte(3, flagset))), shl(16, byte(4, flagset))), shl(24, byte(5, flagset)))
    }
  }

  // bytes 6,7,8 is the fee tier for start path
  function feeTierStart(PorticoFlagSet flagset) internal pure returns (uint24 ans) {
    assembly {
      ans := add(add(byte(6, flagset), shl(8, byte(7, flagset))), shl(16, byte(8, flagset)))
    }
  }

  // bytes 9,10,11 is the fee tier for finish path
  function feeTierFinish(PorticoFlagSet flagset) internal pure returns (uint24 ans) {
    assembly {
      ans := add(add(byte(9, flagset), shl(8, byte(10, flagset))), shl(16, byte(11, flagset)))
    }
  }
  
  // shouldWrapNative is the first bit of the byte 31
  function shouldWrapNative(PorticoFlagSet flagset) internal pure returns (bool) {
    bytes32 fs = PorticoFlagSet.unwrap(flagset);
    return uint8(fs[31]) & (1 << 0) > 0;
  }

  // shouldUnwrapNative is the second bit of byte 31
  function shouldUnwrapNative(PorticoFlagSet flagset) internal pure returns (bool) {
    bytes32 fs = PorticoFlagSet.unwrap(flagset);
    return uint8(fs[31]) & (1 << 1) > 0;
  }
}

library PorticoStructs {
  //https://github.com/wormhole-foundation/wormhole-solidity-sdk/blob/main/src/WormholeRelayerSDK.sol#L177
  //https://docs.wormhole.com/wormhole/quick-start/tutorials/hello-token#receiving-a-token
  struct TokenReceived {
    bytes32 tokenHomeAddress;
    uint16 tokenHomeChain;
    IERC20 tokenAddress;
    uint256 amount;
  }

  //268,090 - to beat
  struct TradeParameters {
    PorticoFlagSet flags;
    IERC20 startTokenAddress;
    IERC20 canonAssetAddress;
    IERC20 finalTokenAddress;
    // address of the recipient on the recipientChain
    address recipientAddress;
    // address of the portico on the recipient chain
    address recipientPorticoAddress;
    // the amount of the token that the person wishes to transfer
    uint256 amountSpecified;
    uint256 minAmountStart;
    uint256 minAmountFinish;
    uint256 relayerFee; // the amount of tokens of the recipient to give to the relayer
  }
  //268,041 158,788
  struct DecodedVAA {
    PorticoFlagSet flags;
    IERC20 finalTokenAddress;
    // the person to receive the token
    address recipientAddress;
    // the x asset amount expected to  be received
    uint256 canonAssetAmount;
    uint256 minAmountFinish;
    uint256 relayerFee;
  }

  struct BridgeInfo {
    IERC20 tokenReceived;
    uint256 amountReceived;
    uint256 relayerFeeAmount;
  }
}

File 13 of 13 : ISwapRouter02.sol
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.7.5;
pragma abicoder v2;

/// @title Router token swapping functionality
/// @notice Functions for swapping tokens via Uniswap V3
interface ISwapRouter02 {
  function factory() external view returns (address);

  //frusturatingly, there is no deadline in this set of params
  //used on SwapRouter02 on Base chain
  struct ExactInputSingleParams {
    address tokenIn;
    address tokenOut;
    uint24 fee;
    address recipient;
    uint256 amountIn;
    uint256 amountOutMinimum;
    uint160 sqrtPriceLimitX96;
  }

  /// @notice Swaps `amountIn` of one token for as much as possible of another token
  /// @dev Setting `amountIn` to 0 will cause the contract to look up its own balance,
  /// and swap the entire amount, enabling contracts to send tokens before calling this function.
  /// @param params The parameters necessary for the swap, encoded as `ExactInputSingleParams` in calldata
  /// @return amountOut The amount of the received token
  function exactInputSingle(ExactInputSingleParams calldata params) external payable returns (uint256 amountOut);
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200,
    "details": {
      "orderLiterals": true,
      "deduplicate": true,
      "cse": true,
      "yul": true
    }
  },
  "evmVersion": "paris",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"contract ISwapRouter02","name":"_routerV3","type":"address"},{"internalType":"contract ITokenBridge","name":"_bridge","type":"address"},{"internalType":"contract IWETH","name":"_weth","type":"address"},{"internalType":"address","name":"_feeRecipient","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"AddressInsufficientBalance","type":"error"},{"inputs":[],"name":"FailedInnerCall","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[],"name":"ReentrancyGuardReentrantCall","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"swapCompleted","type":"bool"},{"indexed":false,"internalType":"uint256","name":"finaluserAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"relayerFeeAmount","type":"uint256"},{"components":[{"internalType":"PorticoFlagSet","name":"flags","type":"bytes32"},{"internalType":"contract IERC20","name":"finalTokenAddress","type":"address"},{"internalType":"address","name":"recipientAddress","type":"address"},{"internalType":"uint256","name":"canonAssetAmount","type":"uint256"},{"internalType":"uint256","name":"minAmountFinish","type":"uint256"},{"internalType":"uint256","name":"relayerFee","type":"uint256"}],"indexed":false,"internalType":"struct PorticoStructs.DecodedVAA","name":"data","type":"tuple"}],"name":"PorticoSwapFinish","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint64","name":"sequence","type":"uint64"},{"indexed":true,"internalType":"uint16","name":"chainId","type":"uint16"}],"name":"PorticoSwapStart","type":"event"},{"inputs":[],"name":"FEE_RECIPIENT","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ROUTERV3","outputs":[{"internalType":"contract ISwapRouter02","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"TOKENBRIDGE","outputs":[{"internalType":"contract ITokenBridge","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"WETH","outputs":[{"internalType":"contract IWETH","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"encodedTransferMessage","type":"bytes"}],"name":"receiveMessageAndSwap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newFeeRecipient","type":"address"}],"name":"setFeeRecipient","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"PorticoFlagSet","name":"flags","type":"bytes32"},{"internalType":"contract IERC20","name":"startTokenAddress","type":"address"},{"internalType":"contract IERC20","name":"canonAssetAddress","type":"address"},{"internalType":"contract IERC20","name":"finalTokenAddress","type":"address"},{"internalType":"address","name":"recipientAddress","type":"address"},{"internalType":"address","name":"recipientPorticoAddress","type":"address"},{"internalType":"uint256","name":"amountSpecified","type":"uint256"},{"internalType":"uint256","name":"minAmountStart","type":"uint256"},{"internalType":"uint256","name":"minAmountFinish","type":"uint256"},{"internalType":"uint256","name":"relayerFee","type":"uint256"}],"internalType":"struct PorticoStructs.TradeParameters","name":"params","type":"tuple"}],"name":"start","outputs":[{"internalType":"address","name":"emitterAddress","type":"address"},{"internalType":"uint16","name":"chainId","type":"uint16"},{"internalType":"uint64","name":"sequence","type":"uint64"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"wormhole","outputs":[{"internalType":"contract IWormhole","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"wormholeChainId","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

00000000000000000000000068b3465833fb72a70ecdf485e0e4c7bd8665fc450000000000000000000000001d68124e65fafc907325e3edbf8c4d84499daa8b00000000000000000000000042000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _routerV3 (address): 0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45
Arg [1] : _bridge (address): 0x1D68124e65faFC907325e3EDbF8c4d84499DAa8b
Arg [2] : _weth (address): 0x4200000000000000000000000000000000000006
Arg [3] : _feeRecipient (address): 0x0000000000000000000000000000000000000000

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 00000000000000000000000068b3465833fb72a70ecdf485e0e4c7bd8665fc45
Arg [1] : 0000000000000000000000001d68124e65fafc907325e3edbf8c4d84499daa8b
Arg [2] : 0000000000000000000000004200000000000000000000000000000000000006
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000000


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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.