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Walkthrough
The pull request introduces significant changes across multiple files, primarily focusing on the integration of Ethereum Virtual Machine (EVM) functionalities. Key modifications include the introduction of new structs and interfaces for handling EVM operations, the refactoring of existing structures to enhance clarity and maintainability, and the addition of comprehensive testing for state execution and transaction handling. The changes also involve renaming and restructuring fields and methods to improve accessibility and consistency throughout the codebase.
Changes
| Files | Change Summary |
|---|---|
api/api.go, bootstrap/bootstrap.go |
Modified BlockChainAPI to use requester.EVMClient. Updated Bootstrap struct with new fields for EVM and state management, and renamed several fields to public. |
models/receipt.go, models/transaction.go |
Added EqualReceipts function for receipt comparison. Reformatted NewReceipt function call for readability. |
services/requester/client_handler.go, services/requester/evm.go, services/requester/local_client.go, services/requester/remote_client.go |
Introduced ClientHandler for EVM operations, defined EVMClient interface, and created LocalClient for read-only access. Refactored RemoteClient to consolidate methods. |
services/state/engine.go, services/state/state.go |
Implemented Engine for blockchain state management and BlockState for transaction execution within the EVM context. |
storage/pebble/register.go, storage/pebble/register_test.go |
Added Register struct for managing ledger values and introduced tests for SetValue and GetValue methods. |
tests/helpers.go, tests/state_integration_test.go |
Modified test helpers for emulator configuration and added integration tests for state execution of transfers. |
Sequence Diagram(s)
sequenceDiagram
participant User
participant ClientHandler
participant EVMClient
participant LocalClient
participant RemoteClient
participant Engine
participant BlockState
User->>ClientHandler: Send transaction
ClientHandler->>LocalClient: Execute transaction
alt LocalClient fails
ClientHandler->>RemoteClient: Execute transaction
end
ClientHandler->>Engine: Notify transaction
Engine->>BlockState: Execute transaction
BlockState-->>Engine: Return result
Engine-->>ClientHandler: Return transaction status
ClientHandler-->>User: Return transaction confirmation🐇 In the code, a change we see,
EVM's magic, oh so free!
With structs and tests, we hop along,
Validating states, where we belong.
A blockchain dance, in code we play,
Hopping through transactions, hip-hip-hooray! 🐇✨
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sideninja
Description
Integrate local state index complying to the EVM client interface. A client handler was added which is a way to execute both remote and local client and compare results. We only use the local state result if the remote client fails. We also can then change this handler to be smarter in ways it chooses which client to use (for example as long as the state index is healthy use local otherwise use remote). Please note there are a lot of changes that are results of renaming types.
For contributor use:
masterbranchFiles changedin the Github PR explorerSummary by CodeRabbit
New Features
ClientHandlerfor enhanced EVM operations with local and remote client support.EVMClientinterface for structured EVM interactions.EngineandBlockStatefor robust blockchain state management.Bug Fixes
Documentation
Tests
Registerfunctionality and new integration tests for state execution.