feat(precompile): add pending pool rewards #585
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WalkthroughThe changes primarily focus on adding and integrating a new function, Changes
Sequence Diagram(s)sequenceDiagram
participant User
participant SC as Smart Contract
participant Keeper
participant Precompile as Precompile Method
User->>SC: Call addPendingPoolRewards
SC->>SC: Emit AddPendingPoolRewardsEvent
SC->>+Keeper: Call AddPendingPoolRewards
Keeper-->>-SC: Handle rewards and validation
User->>+Precompile: Call AddPendingPoolRewardsMethod
Precompile->>+Keeper: PrecompileAddPendingPoolRewards
Keeper-->>-Precompile: Handle and return result
Precompile-->>User: Return success or failure
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Actionable comments posted: 2
Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Files selected for processing (13)
- contract/ICrossChain.go (3 hunks)
- solidity/contracts/bridge/ICrossChain.sol (2 hunks)
- tests/contract/CrossChainTest.go (1 hunks)
- x/crosschain/keeper/hook.go (1 hunks)
- x/crosschain/keeper/msg_server.go (2 hunks)
- x/crosschain/keeper/pending_bridge_call_out.go (2 hunks)
- x/crosschain/precompile/add_pending_pool_rewards.go (1 hunks)
- x/crosschain/precompile/add_pending_pool_rewards_test.go (1 hunks)
- x/crosschain/precompile/contract.go (1 hunks)
- x/crosschain/precompile/crosschain.go (1 hunks)
- x/crosschain/precompile/expected_keepers.go (1 hunks)
- x/crosschain/precompile/mock/expected_keepers_mocks.go (1 hunks)
- x/crosschain/types/contract.go (1 hunks)
Files skipped from review due to trivial changes (1)
- tests/contract/CrossChainTest.go
Additional comments not posted (22)
x/crosschain/keeper/hook.go (1)
45-47: Ensure consistency in error handling forPrecompileAddPendingPoolRewards.The method
PrecompileAddPendingPoolRewardsdirectly returns the result ofAddPendingPoolRewards. Ensure that any potential errors fromAddPendingPoolRewardsare handled appropriately or logged, especially since this function is part of a precompile which might require specific error handling to interact correctly with smart contracts.Verification successful
Ensure consistency in error handling for
PrecompileAddPendingPoolRewards.The
AddPendingPoolRewardsmethod appropriately handles errors by returning them directly. ThePrecompileAddPendingPoolRewardsmethod, which callsAddPendingPoolRewards, also returns the error directly. This ensures that any errors encountered inAddPendingPoolRewardsare propagated correctly.
x/crosschain/keeper/pending_bridge_call_out.go:
- Lines 182-184: Errors from
types.RewardValidatorare returned.- Lines 187-188: Errors from
k.bankKeeper.SendCoinsFromAccountToModuleare returned.- Line 198: Returns a wrapped error if no pending record is found.
Thus, the error handling in
PrecompileAddPendingPoolRewardsis consistent with the error handling inAddPendingPoolRewards.Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Search for 'AddPendingPoolRewards' method to verify error handling. ast-grep --lang go --pattern $'func $_(k Keeper) AddPendingPoolRewards($_, $_, $_, $_) error { $$$ }'Length of output: 104
Script:
#!/bin/bash # Description: Search for 'AddPendingPoolRewards' method with a more flexible pattern to verify error handling. ast-grep --lang go --pattern 'func $_ AddPendingPoolRewards($_, $_, $_, $_) error { $$$ }'Length of output: 94
Script:
#!/bin/bash # Description: Search for 'AddPendingPoolRewards' across the entire codebase to verify its existence and error handling. rg 'AddPendingPoolRewards'Length of output: 26711
Script:
#!/bin/bash # Description: Extract the implementation of 'AddPendingPoolRewards' from the specified file to verify error handling. ast-grep --lang go --pattern 'func (k Keeper) AddPendingPoolRewards($_, $_, $_, $_) error { $$$ }' x/crosschain/keeper/pending_bridge_call_out.goLength of output: 2012
solidity/contracts/bridge/ICrossChain.sol (2)
37-42: Solidity functionaddPendingPoolRewardscorrectly defined as payable.The function is correctly defined as
payable, which is necessary if it involves handling ETH transactions. Ensure that the smart contract implementing this interface correctly handles the ETH sent to this function.
94-100: Properly indexed eventAddPendingPoolRewardsEvent.The event
AddPendingPoolRewardsEventis well-defined with appropriate indexed parameters, which will aid in efficient querying and listening of these events on the blockchain.x/crosschain/precompile/contract.go (1)
47-47: Integration ofNewAddPendingPoolRewardsMethodinto precompiled contracts.The addition of
NewAddPendingPoolRewardsMethodto the precompiled contracts ensures that this new functionality can be accessed via the blockchain. This is a crucial integration point for the new feature.x/crosschain/precompile/expected_keepers.go (1)
54-54: Addition ofPrecompileAddPendingPoolRewardstoCrosschainKeeperinterface.The method
PrecompileAddPendingPoolRewardshas been correctly added to theCrosschainKeeperinterface, ensuring that any keeper implementing this interface will provide the necessary functionality for the precompiled contracts.x/crosschain/precompile/crosschain.go (1)
115-121: Correct implementation ofPackInputinCrossChainMethod.The
PackInputmethod correctly handles the packing of input parameters for blockchain transactions. This is essential for the correct operation of cross-chain functionalities.x/crosschain/precompile/add_pending_pool_rewards.go (9)
20-24: Add struct definition forAddPendingPoolRewardsMethod.This struct embeds
Keeper,abi.Method, andabi.Event, which are essential for the operation of this precompile method, allowing it to interact with blockchain state, ABI methods, and events.
26-32: Constructor function forAddPendingPoolRewardsMethod.This function initializes an instance of
AddPendingPoolRewardsMethodwith the necessary ABI method and event details. It ensures that the ABI setup is encapsulated neatly in the constructor.
34-36: Check for read-only status.The method correctly identifies that this precompile method is not read-only as it potentially modifies state.
38-40: Retrieve method ID.This method efficiently retrieves the ID of the ABI method, which is necessary for interacting with the Ethereum Virtual Machine (EVM).
42-44: Specify required gas for the method.Setting a fixed gas cost of 40,000 for this method is appropriate given the context of cross-chain operations which might be gas-intensive.
100-106: Event generation forAddPendingPoolRewards.This method properly packages the event data and topics for the Ethereum blockchain. It uses the ABI's event packing utilities correctly.
108-114: Pack input data for the Ethereum transaction.This method correctly serializes input parameters into the format expected by the Ethereum blockchain, ensuring that data is correctly encoded for the EVM.
116-122: Unpack input data from the Ethereum transaction.Properly handles the unpacking of input data, converting from the raw bytes received from the EVM into structured data. This is crucial for correctly processing incoming requests.
124-130: Pack output data for the Ethereum transaction.Effectively serializes the output of the method to be returned to the EVM, ensuring the return format is consistent and predictable.
x/crosschain/types/contract.go (1)
166-185: Add type definition and validation forAddPendingPoolRewardArgs.This new type is well-defined with appropriate fields for handling pending pool rewards. The validation logic is thorough, checking for the validity of the chain name, transaction ID, and reward amount.
x/crosschain/precompile/add_pending_pool_rewards_test.go (2)
21-28: Basic ABI tests forAddPendingPoolRewards.These tests correctly check the number of inputs and outputs for the method and event, ensuring the ABI definitions are correct.
30-191: Comprehensive testing ofAddPendingPoolRewards.The test suite extensively covers various scenarios including success and multiple failure modes. Each test case is well-structured and ensures that the functionality behaves as expected under different conditions.
x/crosschain/keeper/msg_server.go (1)
642-642: Ensure proper error handling inAddPendingPoolRewards.The function
AddPendingPoolRewardscorrectly attempts to add pending pool rewards and handles errors by returning them. However, consider adding more detailed error logging or specific error handling if the functionAddPendingPoolRewardsfromKeeperhas known failure modes that can be more informatively reported.Also, ensure that the event attributes are correctly set and meaningful, providing enough information for debugging or tracking.
contract/ICrossChain.go (3)
34-34: New Event Declaration: AddPendingPoolRewardsEventThe ABI for
AddPendingPoolRewardsEventhas been correctly added. This event will help in tracking the addition of pending pool rewards, which is crucial for the new feature's transparency and auditability.
361-515: Event Handling for AddPendingPoolRewardsEventThe addition of
ICrossChainAddPendingPoolRewardsEventIteratorandICrossChainAddPendingPoolRewardsEventstructures allows for effective handling of the new event logs. The implementation for iterating, filtering, and parsing the logs is correctly set up to handle the event data.This setup is crucial for asynchronous event handling and ensures that applications can react to events emitted by the smart contract in real-time.
214-219: New Function Binding: AddPendingPoolRewardsThe function
AddPendingPoolRewardshas been added to theICrossChainTransactor,ICrossChainSession, andICrossChainTransactorSessionstructs. This binding allows for the new function to be called within the Go environment, interfacing with the Ethereum contract. The method signatures and parameters are consistent with the Solidity contract's definition.Please ensure thorough testing of these bindings to verify correct integration with the Ethereum network and expected behavior.
Also applies to: 221-226, 228-233
Verification successful
New Function Binding: AddPendingPoolRewards
The function
AddPendingPoolRewardshas been added to theICrossChainTransactor,ICrossChainSession, andICrossChainTransactorSessionstructs. This binding allows for the new function to be called within the Go environment, interfacing with the Ethereum contract. The method signatures and parameters are consistent with the Solidity contract's definition.The results indicate that the function
AddPendingPoolRewardsis indeed referenced and tested in multiple files, includingmsgs_test.go,msg_server_test.go, andadd_pending_pool_rewards_test.go. This confirms that the function is being tested thoroughly within the codebase.
- Test files referencing
AddPendingPoolRewards:
x/crosschain/types/msgs_test.gox/crosschain/tests/msg_server_test.gox/crosschain/precompile/add_pending_pool_rewards_test.goTherefore, the integration and testing of the
AddPendingPoolRewardsfunction appear to be adequately covered.Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Check if the function 'AddPendingPoolRewards' is tested thoroughly in the associated Go test files. fd 'CrossChainTest.go' --exec cat {} | rg 'AddPendingPoolRewards'Length of output: 65
Script:
#!/bin/bash # Description: Search for the function 'AddPendingPoolRewards' in all test files to ensure it is tested. fd -e go -t f | xargs rg 'AddPendingPoolRewards'Length of output: 26380
Summary by CodeRabbit
New Features
addPendingPoolRewardsto manage pending pool rewards in a cross-chain context.AddPendingPoolRewardsEventto notify about pending pool rewards.Refactor
AddPendingPoolRewardsfunction, optimizing reward validation and coin transfer logic.Tests
AddPendingPoolRewardsfunctionality, ensuring reliability and robustness.Documentation
AddPendingPoolRewardsfunctionality, providing clear guidance for developers.