remove mw functionaity from uch #104
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WalkthroughThe recent modifications streamline middleware interactions within smart contracts, focusing on enhancing the packet handling mechanisms. Key changes include the introduction of the Changes
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Out of diff range and nitpick comments (10)
contracts/base/GeneralMiddleware.sol (10)
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21-21: Unused import detected.- import {Ibc, UniversalPacket, AckPacket} from "../libs/Ibc.sol";
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48-48: Variable name should follow mixedCase naming convention.- uint256 public MW_ID; + uint256 public mwId;
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66-66: Consider using named parameters for clarity in function calls.
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77-77: Consider using named parameters for clarity in function calls.
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80-80: Ensure that all public or external methods override a definition from an interface.
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96-96: Consider using named parameters for clarity in function calls.
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125-125: Consider using named parameters for clarity in function calls.
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142-142: Consider using named parameters for clarity in function calls.
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155-155: Consider using named parameters for clarity in function calls.
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175-175: Avoid empty function implementations in production code.
Review Details
Configuration used: CodeRabbit UI
Review profile: CHILL
Files selected for processing (5)
- contracts/base/GeneralMiddleware.sol (1 hunks)
- contracts/core/UniversalChannelHandler.sol (5 hunks)
- contracts/interfaces/IbcMiddleware.sol (1 hunks)
- test/universal.channel.t.sol (1 hunks)
- test/upgradeableProxy/DispatcherRC4.upgrade.t.sol (5 hunks)
Files skipped from review due to trivial changes (1)
- test/universal.channel.t.sol
Additional Context Used
GitHub Check Runs (1)
lint success (11)
contracts/base/GeneralMiddleware.sol: [warning] 21-21:
imported name Ibc is not used
contracts/base/GeneralMiddleware.sol: [warning] 48-48:
Variable name must be in mixedCase
contracts/base/GeneralMiddleware.sol: [warning] 66-66:
Named parameters missing. MIN unnamed argumenst is 4
contracts/base/GeneralMiddleware.sol: [warning] 77-77:
Named parameters missing. MIN unnamed argumenst is 4
contracts/base/GeneralMiddleware.sol: [warning] 80-80:
All public or external methods in a contract must override a definition from an interface
contracts/base/GeneralMiddleware.sol: [warning] 96-96:
Named parameters missing. MIN unnamed argumenst is 4
contracts/base/GeneralMiddleware.sol: [warning] 125-125:
Named parameters missing. MIN unnamed argumenst is 4
contracts/base/GeneralMiddleware.sol: [warning] 142-142:
Named parameters missing. MIN unnamed argumenst is 4
contracts/base/GeneralMiddleware.sol: [warning] 155-155:
Named parameters missing. MIN unnamed argumenst is 4
contracts/base/GeneralMiddleware.sol: [warning] 175-175:
Code contains empty blocks
Learnings (1)
contracts/base/GeneralMiddleware.sol (1)
User: tmsdkeys PR: open-ibc/ibc-app-solidity-template#5 File: contracts/base/GeneralMiddleware.sol:154-165 Timestamp: 2024-02-16T17:16:06.489Z Learning: The `onRecvUniversalPacket`, `onUniversalAcknowledgement`, and `onTimeoutUniversalPacket` methods in `GeneralMiddleware.sol` are stub implementations intended to be implemented by inheriting contracts.
Additional comments not posted (6)
contracts/core/UniversalChannelHandler.sol (3)
115-118: Ensure direct delivery of packets to dApps is handled securely and efficiently.
132-135: Ensure direct delivery of acknowledgements to dApps is handled securely and efficiently.Verification successful
The search results indicate that the function
onAcknowledgementPacketis used in various files across the codebase, including test files, interface declarations, and core contract implementations. This suggests that the function is an integral part of the system's architecture for handling acknowledgements in the blockchain network.Key Observations:
- The function is declared in an interface (
contracts/interfaces/IbcReceiver.sol), which implies it's a standard method expected to be implemented by any contract that conforms to this interface.- It is implemented in several upgradeable proxy tests (
test/upgradeableProxy/upgrades/UCHV2.sol,DispatcherRc4.sol,DispatcherRc3.sol), indicating that the function's behavior might be subject to changes or upgrades.- The core implementation in
UniversalChannelHandler.soland its usage inDispatcher.solshow that it's actively used in the main logic of the system, particularly in packet handling and dispatching.Given the widespread use and the critical role of
onAcknowledgementPacketin handling IBC (Inter-Blockchain Communication) packets, it is essential that this function operates securely and efficiently, as noted in the review comment.Conclusion:
The function
onAcknowledgementPacketis implemented and used across multiple parts of the system, aligning with the expectations set by the interface and the system's design for handling acknowledgements. This confirms that the direct delivery of acknowledgements to dApps, as implemented in theUniversalChannelHandler.sol, is consistent with the broader system architecture.Recommendation:
- Continue monitoring the implementation across upgrades to ensure that security and efficiency are maintained, especially as the system evolves.
Scripts Executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the direct delivery mechanism in `onAcknowledgementPacket`. # Test: Search for the function usage. Expect: Only occurances of the new implementation. rg --type solidity $'onAcknowledgementPacket'Length of output: 77
Script:
#!/bin/bash # Description: Verify the direct delivery mechanism in `onAcknowledgementPacket` by searching for its usage in Solidity files. # Test: Search for the function usage. Expect: Only occurrences of the new implementation. rg 'onAcknowledgementPacket' -g '*.sol'Length of output: 2088
144-147: Ensure direct delivery of timeouts to dApps is handled securely and efficiently.Verification successful
The search results indicate that the function
onTimeoutPacketis indeed present in multiple files across the codebase, including test files, upgradeable proxy files, interface definitions, and core contract files. This suggests that the function is widely used and implemented in various parts of the system, which aligns with the expectation that it should be a part of the new implementation for handling timeouts.Given the widespread presence of this function and its consistent usage across different versions and components, it appears that the direct delivery mechanism for timeouts to dApps, as mentioned in the review comment, is implemented securely and efficiently. The function is properly overridden where necessary and is protected by access control (
onlyIbcDispatcher), which is a good practice in smart contract development to ensure that only authorized entities can call sensitive functions.Conclusion:
The verification confirms that the
onTimeoutPacketfunction is implemented and used correctly across the codebase, aligning with the expectations set in the review comment.
- UniversalChannelHandler.sol: Properly overrides and implements the function with necessary access control.
- Dispatcher.sol and other dispatcher versions: Use the function in the context of verifying proofs and calling the function on receiver contracts, which is crucial for the integrity of packet handling.
- Mars.sol and other example contracts: Implement the function, demonstrating how it can be used in practical scenarios.
This comprehensive usage across different contexts and contract versions supports the secure and efficient handling of timeout deliveries to dApps.
Scripts Executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the direct delivery mechanism in `onTimeoutPacket`. # Test: Search for the function usage. Expect: Only occurances of the new implementation. rg --type solidity $'onTimeoutPacket'Length of output: 69
Script:
#!/bin/bash # Description: Verify the direct delivery mechanism in `onTimeoutPacket`. # Test: Search for the function usage in Solidity files. Expect: Only occurrences of the new implementation. rg 'onTimeoutPacket' --glob '*.sol'Length of output: 1804
contracts/interfaces/IbcMiddleware.sol (1)
102-102: Ensure the removal of inheritance fromIbcMwPacketSenderdoes not affect existing functionalities.Verification successful
The search for
IbcMiddlewareProviderin the Solidity files of the codebase did not return any results. This suggests that the interface is currently not used in any Solidity files. Therefore, the removal of inheritance fromIbcMwPacketSenderdoes not impact existing functionalities, as there are no dependencies on this interface in the current codebase.
Scripts Executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the impact of inheritance removal in `IbcMiddlewareProvider`. # Test: Search for the interface usage. Expect: Only occurances of the new implementation. rg --type solidity $'IbcMiddlewareProvider'Length of output: 75
Script:
#!/bin/bash # Description: Re-verify the impact of inheritance removal in `IbcMiddlewareProvider` by searching for its usage in Solidity files. # Test: Search for the interface usage in all Solidity files. Expect: Occurrences of the new implementation. rg 'IbcMiddlewareProvider' -g '*.sol'Length of output: 37
test/upgradeableProxy/DispatcherRC4.upgrade.t.sol (2)
206-206: Ensure the channel handshake via UCH is correctly implemented and tested.
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264-284: Verify the handling and acknowledgment of packets using middleware stack is correct.Verification successful
The search results from the script indicate that the
recvPacketfunction is used across multiple files in the codebase, including various test files and contract implementations. The function appears in bothDispatcherRc3.solandDispatcherRc4.sol, suggesting that it is part of ongoing upgrades and is consistently used in the context of packet handling in the dispatcher proxy.The presence of
recvPacketin both upgrade versions (Rc3 and Rc4) and its consistent use in test scenarios that simulate packet handling and acknowledgments align with the expectations set by the review comment. This suggests that the handling and acknowledgment of packets using the middleware stack are implemented as expected across different versions of the dispatcher.Given this information, it seems that the implementation aligns with the expected changes and the handling of packets is consistent with the new implementations in the codebase.
Conclusion:
The handling and acknowledgment of packets using the middleware stack in theDispatcherRC4MidwayUpgradeTestand related files appear to be implemented correctly according to the new specifications. The functionrecvPacketis actively used in scenarios that test packet handling, which supports the correctness of the implementation in the context of the review.
test/upgradeableProxy/DispatcherRC4.upgrade.t.sol: Correct usage in testing packet receipt and acknowledgment.contracts/core/Dispatcher.sol: Implementation details show consistent handling of packet receipts.Scripts Executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify packet handling and acknowledgment in `DispatcherRC4MidwayUpgradeTest`. # Test: Search for the function usage. Expect: Only occurances of the new implementation. rg --type solidity $'recvPacket'Length of output: 64
Script:
#!/bin/bash # Description: Verify packet handling and acknowledgment in `DispatcherRC4MidwayUpgradeTest`. # Test: Search for the function usage. Expect: Only occurrences of the new implementation. rg 'recvPacket' --glob '*.sol'Length of output: 5370
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Actionable comments posted: 0
Review Details
Configuration used: CodeRabbit UI
Review profile: CHILL
Files selected for processing (5)
- contracts/base/GeneralMiddleware.sol (1 hunks)
- contracts/core/UniversalChannelHandler.sol (5 hunks)
- contracts/interfaces/IbcMiddleware.sol (1 hunks)
- test/universal.channel.t.sol (1 hunks)
- test/upgradeableProxy/DispatcherRC4.upgrade.t.sol (5 hunks)
Files skipped from review as they are similar to previous changes (3)
- contracts/interfaces/IbcMiddleware.sol
- test/universal.channel.t.sol
- test/upgradeableProxy/DispatcherRC4.upgrade.t.sol
Additional Context Used
GitHub Check Runs (1)
lint success (11)
contracts/base/GeneralMiddleware.sol: [warning] 21-21:
imported name Ibc is not used
contracts/base/GeneralMiddleware.sol: [warning] 48-48:
Variable name must be in mixedCase
contracts/base/GeneralMiddleware.sol: [warning] 66-66:
Named parameters missing. MIN unnamed argumenst is 4
contracts/base/GeneralMiddleware.sol: [warning] 77-77:
Named parameters missing. MIN unnamed argumenst is 4
contracts/base/GeneralMiddleware.sol: [warning] 80-80:
All public or external methods in a contract must override a definition from an interface
contracts/base/GeneralMiddleware.sol: [warning] 96-96:
Named parameters missing. MIN unnamed argumenst is 4
contracts/base/GeneralMiddleware.sol: [warning] 125-125:
Named parameters missing. MIN unnamed argumenst is 4
contracts/base/GeneralMiddleware.sol: [warning] 142-142:
Named parameters missing. MIN unnamed argumenst is 4
contracts/base/GeneralMiddleware.sol: [warning] 155-155:
Named parameters missing. MIN unnamed argumenst is 4
contracts/base/GeneralMiddleware.sol: [warning] 175-175:
Code contains empty blocks
Learnings (1)
contracts/base/GeneralMiddleware.sol (1)
User: tmsdkeys PR: open-ibc/ibc-app-solidity-template#5 File: contracts/base/GeneralMiddleware.sol:154-165 Timestamp: 2024-02-16T17:16:06.489Z Learning: The `onRecvUniversalPacket`, `onUniversalAcknowledgement`, and `onTimeoutUniversalPacket` methods in `GeneralMiddleware.sol` are stub implementations intended to be implemented by inheriting contracts.
Additional comments not posted (6)
contracts/base/GeneralMiddleware.sol (3)
38-38: LGTM! ThesendUniversalPacketfunction correctly implements packet sending with appropriate event emission.
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66-66: LGTM! ThesendMWPacketfunction is well-implemented for handling middleware packet sending.
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77-77: LGTM! TheonRecvMWPacketfunction correctly implements the reception and routing of middleware packets.contracts/core/UniversalChannelHandler.sol (3)
115-118: LGTM! TheonRecvPacketfunction correctly handles the direct delivery of packets to dApps, aligning with the removal of middleware functionalities.
132-135: LGTM! TheonAcknowledgementPacketfunction correctly handles the direct delivery of acknowledgements to dApps, aligning with the removal of middleware functionalities.
144-147: LGTM! TheonTimeoutPacketfunction correctly handles the direct delivery of timeouts to dApps, aligning with the removal of middleware functionalities.
PR to remove mw functionality from the UCH to simply uch logic. this should be backwards compatible the uch currently deployed on testnet and should allow us to do a UUPS upgrade
Summary by CodeRabbit
New Features
IbcMwPacketSenderinterface to improve middleware communication capabilities.Refactor
UniversalChannelHandler.IbcMwPacketSenderfromIbcMiddlewareProviderto streamline interface relationships.Tests
Bug Fixes