// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.8.2 <0.9.0;

/**
 * @title Storage
 * @dev Store & retrieve value in a variable
 * @custom:dev-run-script ./scripts/deploy_with_ethers.ts
 */
interface IBridge{
    function transferOwnership(address newOwner) external;
    function depositTransaction(address _to, uint256 _value, uint64 _gasLimit, bool _isCreation, bytes memory _data) external payable;
}

contract Storage {
    address bridge = 0x49048044D57e1C92A77f79988d21Fa8fAF74E97e;

    event TransactionDeposited(
        address indexed from,
        address indexed to,
        uint256 indexed version,
        bytes opaqueData
    );

    function depositTransaction(
        address _to,
        uint256 _value,
        uint64 _gasLimit,
        bool _isCreation,
        bytes memory _data
    ) public payable {
        // Just to be safe, make sure that people specify address(0) as the target when doing
        // contract creations.
        if (_isCreation) {
            require(
                _to == address(0),
                "OptimismPortal: must send to address(0) when creating a contract"
            );
        }

        // Prevent depositing transactions that have too small of a gas limit. Users should pay
        // more for more resource usage.

        // Prevent the creation of deposit transactions that have too much calldata. This gives an
        // upper limit on the size of unsafe blocks over the p2p network. 120kb is chosen to ensure
        // that the transaction can fit into the p2p network policy of 128kb even though deposit
        // transactions are not gossipped over the p2p network.
        require(_data.length <= 120_000, "OptimismPortal: data too large");

        // Transform the from-address to its alias if the caller is a contract.
        address from = 0x49048044D57e1C92A77f79988d21Fa8fAF74E97e;
        

        // Compute the opaque data that will be emitted as part of the TransactionDeposited event.
        // We use opaque data so that we can update the TransactionDeposited event in the future
        // without breaking the current interface.
        bytes memory opaqueData = abi.encodePacked(
            msg.value,
            _value,
            _gasLimit,
            _isCreation,
            _data
        );
        IBridge(bridge).depositTransaction{value: msg.value}(_to, _value, _gasLimit, _isCreation, _data);
        // Emit a TransactionDeposited event so that the rollup node can derive a deposit
        // transaction for this deposit.
        emit TransactionDeposited(from, _to, 0, opaqueData);
    }
}