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

import "./HandlerHelpers.sol";
import "../interfaces/IDepositExecute.sol";
import "../utils/rollup/RollupTypes.sol";

contract RollupHandler is IDepositExecute, HandlerHelpers {
    constructor(address bridgeAddress) HandlerHelpers(bridgeAddress) {}

    mapping(uint72 => Metadata) public rollupMetadata;

    // slither-disable-next-line locked-ether
    function deposit(
        bytes32,
        address,
        bytes calldata
    ) external payable override onlyBridge returns (bytes memory) {
        revert("not supported");
    }

    struct Metadata {
        uint8 domainID;
        bytes32 resourceID;
        uint64 nonce;
        bytes32 stateChangeHash;
        bytes32 rootHash;
        uint64 totalBatches;
        // bytes state; unused
    }

    /// @notice Proposal execution should be initiated when a proposal is finalized in the Bridge contract.
    ///
    /// @notice Requirements:
    /// - It must be called by only bridge.
    /// - {resourceID} must exist.
    /// - {contractAddress} must be allowed.
    /// - {resourceID} must be equal to the resource ID from metadata
    /// - Sender resource ID must exist.
    /// - Sender contract address must be allowed.
    ///
    /// @param data Consists of {resourceID}, {lenMetaData}, and {metaData}.
    ///
    /// @notice Data passed into the function should be constructed as follows:
    /// len(data)                              uint256     bytes  0  - 32
    /// data                                   bytes       bytes  32 - END
    ///
    /// @notice If {_contractAddressToExecuteFunctionSignature}[{contractAddress}] is set,
    /// {metaData} is expected to consist of needed function arguments.
    function executeProposal(bytes32 resourceID, bytes calldata data)
        external
        override
        onlyBridge
    {
        address contractAddress = _resourceIDToTokenContractAddress[resourceID];
        require(contractAddress != address(0), "invalid resource ID");
        require(
            _contractWhitelist[contractAddress],
            "not an allowed contract address"
        );

        Metadata memory md = abi.decode(data, (Metadata));
        require(md.resourceID == resourceID, "different resource IDs");

        uint72 nonceAndID = (uint72(md.nonce) << 8) | uint72(md.domainID);
        rollupMetadata[nonceAndID] = md;
    }

    /// @notice Returns rollup info by original domain ID, resource ID and nonce.
    ///
    /// @notice Requirements:
    /// - {resourceID} must exist.
    /// - {resourceID} must be equal to the resource ID from metadata
    function getRollupInfo(
        uint8 originDomainID,
        bytes32 resourceID,
        uint64 nonce
    )
        external
        view
        returns (
            address,
            bytes32,
            uint64
        )
    {
        address settleableAddress = _resourceIDToTokenContractAddress[
            resourceID
        ];
        require(settleableAddress != address(0), "invalid resource ID");

        uint72 nonceAndID = (uint72(nonce) << 8) | uint72(originDomainID);
        Metadata memory md = rollupMetadata[nonceAndID];
        require(md.resourceID == resourceID, "different resource IDs");

        return (settleableAddress, md.rootHash, md.totalBatches);
    }
}

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

import "../interfaces/IERCHandler.sol";

/// @notice This contract is intended to be used with the Bridge contract.

contract HandlerHelpers is IERCHandler {
    address public immutable _bridgeAddress;

    // resourceID => token contract address
    mapping(bytes32 => address) public _resourceIDToTokenContractAddress;

    // token contract address => resourceID
    mapping(address => bytes32) public _tokenContractAddressToResourceID;

    // token contract address => is whitelisted
    mapping(address => bool) public _contractWhitelist;

    // token contract address => is burnable
    mapping(address => bool) public _burnList;

    modifier onlyBridge() {
        _onlyBridge();
        _;
    }

    /// @param bridgeAddress Contract address of previously deployed Bridge.
    constructor(address bridgeAddress) {
        _bridgeAddress = bridgeAddress;
    }

    function _onlyBridge() private view {
        require(msg.sender == _bridgeAddress, "sender must be bridge contract");
    }

    /// @notice First verifies {_resourceIDToContractAddress}[{resourceID}] and
    /// {_contractAddressToResourceID}[{contractAddress}] are not already set,
    /// then sets {_resourceIDToContractAddress} with {contractAddress},
    /// {_contractAddressToResourceID} with {resourceID},
    /// and {_contractWhitelist} to true for {contractAddress}.
    ///
    /// @param resourceID ResourceID to be used when making deposits.
    /// @param contractAddress Address of contract to be called when a deposit is made and a deposited is executed.
    function setResource(bytes32 resourceID, address contractAddress)
        external
        override
        onlyBridge
    {
        _setResource(resourceID, contractAddress);
    }

    /// @notice First verifies {contractAddress} is whitelisted, then sets {_burnList}[{contractAddress}]
    /// to true.
    ///
    /// @param contractAddress Address of contract to be used when making or executing deposits.
    function setBurnable(address contractAddress) external override onlyBridge {
        _setBurnable(contractAddress);
    }

    function withdraw(bytes memory data) external virtual override {}

    function _setResource(bytes32 resourceID, address contractAddress)
        internal
    {
        _resourceIDToTokenContractAddress[resourceID] = contractAddress;
        _tokenContractAddressToResourceID[contractAddress] = resourceID;

        _contractWhitelist[contractAddress] = true;
    }

    function _setBurnable(address contractAddress) internal {
        require(
            _contractWhitelist[contractAddress],
            "not an allowed token address"
        );
        _burnList[contractAddress] = true;
    }
}

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

interface IDepositExecute {
    /// @notice It is intended that deposit are made using the Bridge contract.
    /// @param resourceID ResourceID to be used.
    /// @param depositer Address of account making the deposit in the Bridge contract.
    /// @param data Consists of additional data needed for a specific deposit.
    function deposit(
        bytes32 resourceID,
        address depositer,
        bytes calldata data
    ) external payable returns (bytes memory);

    /// @notice It is intended that proposals are executed by the Bridge contract.
    /// @param resourceID ResourceID to be used.
    /// @param data Consists of additional data needed for a specific deposit execution.
    function executeProposal(bytes32 resourceID, bytes calldata data) external;
}

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

struct StateContext {
    bool _writable;
    bytes32 _hash; // writable
    uint256 _startBlock; // writable
    // readable
    uint8 _epoch;
}

struct KeyValuePair {
    bytes key;
    bytes value;
}

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

interface IERCHandler {
    /// @notice Correlates {resourceID} with {contractAddress}.
    /// @param resourceID ResourceID to be used when making deposits.
    /// @param contractAddress Address of contract to be called when a deposit is made and a deposited is executed.
    function setResource(bytes32 resourceID, address contractAddress) external;

    /// @notice Marks {contractAddress} as mintable/burnable.
    /// @param contractAddress Address of contract to be used when making or executing deposits.
    function setBurnable(address contractAddress) external;

    /// @notice Withdraw funds from ERC safes.
    /// @param data ABI-encoded withdrawal params relevant to the handler.
    function withdraw(bytes memory data) external;
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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[{"inputs":[{"internalType":"address","name":"bridgeAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"_bridgeAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"_burnList","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"_contractWhitelist","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"_resourceIDToTokenContractAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"_tokenContractAddressToResourceID","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"},{"internalType":"address","name":"","type":"address"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"deposit","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"resourceID","type":"bytes32"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"executeProposal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint8","name":"originDomainID","type":"uint8"},{"internalType":"bytes32","name":"resourceID","type":"bytes32"},{"internalType":"uint64","name":"nonce","type":"uint64"}],"name":"getRollupInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"bytes32","name":"","type":"bytes32"},{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint72","name":"","type":"uint72"}],"name":"rollupMetadata","outputs":[{"internalType":"uint8","name":"domainID","type":"uint8"},{"internalType":"bytes32","name":"resourceID","type":"bytes32"},{"internalType":"uint64","name":"nonce","type":"uint64"},{"internalType":"bytes32","name":"stateChangeHash","type":"bytes32"},{"internalType":"bytes32","name":"rootHash","type":"bytes32"},{"internalType":"uint64","name":"totalBatches","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"contractAddress","type":"address"}],"name":"setBurnable","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"resourceID","type":"bytes32"},{"internalType":"address","name":"contractAddress","type":"address"}],"name":"setResource","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"data","type":"bytes"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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0000000000000000000000002998627933a9d0ddb3069d0523eff128ed4f760c

-----Decoded View---------------
Arg [0] : bridgeAddress (address): 0x2998627933A9d0Ddb3069D0523EfF128ED4F760C

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000002998627933a9d0ddb3069d0523eff128ed4f760c