Mainnet activity log H1 2022

In-Progress Reports

Maintainer github handle: shemnon

Maintainer org: Hedera

Query for mainnet label on closed PRs: https://github.com/hyperledger/besu/pulls?q=is%3Apr+is%3Aclosed+author%3Ashemnon+label%3Amainnet

Details on mainnet contributions

• EVM performance - tripled Gas Per Second through a number of enhancements
• EVM Compliance - updated code to handle nonce limits
• Reference Tests - bright ref tests to current revision
• Consulted for shadowfork consensus break
• Preliminary design discussions with Karim to validate checkpointing in sync.

Maintainer GitHub handle: daniellehrner

Maintainer org: ConsenSys

Query for mainnet label on closed issues: https://github.com/hyperledger/besu/issues?q=is%3Aissue+is%3Aclosed+assignee%3Adaniellehrner+label%3Amainnet+

Details on mainnet contributions

• Update reference tests to the latest version and include test for gray glacier
• Gray glacier hard fork
• fcU: Remove check if new finalized is descendant from the previous one
• EngineForkchoiceUpdated: Verify if payload attributes are valid
• Subcommand blocks import throws exception
• Acceptance test for execution engine apis
• MERGE: Rename field random to prevRandao
• MERGE: Rename opcode RANDOM to PREVRANDAO
• MERGE: Add Kiln test vectors
• MERGE: Implement engine_exchangeTransitionConfigurationV1 API
• MERGE: extend semantics of executePayload / newPayload method
• Change payloadId of engine_forkchoiceUpdatedV1 API to fixed 8 bytes

Maintainer GitHub handle: fab-10

Maintainer org: ConsenSys

Query for mainnet label on closed PRs: https://github.com/hyperledger/besu/pulls?q=is%3Apr+author%3Afab-10+is%3Aclosed+label%3Amainnet

Details on mainnet contributions

• Feature: "The Merge" switch to PoS
  
  • Extend block parameter methods to accept 'finalized' and 'safe' as block tags
  • Do not require a minimum block height when downloading headers or blocks
  • Allow to backward sync to request headers back to last finalized block if present or genesis
  • Replace deprecated INVALID_TERMINAL_BLOCK with INVALID lvh 0x0
  • Stop backward sync if genesis block has been reached
  • Fix sync terminal condition, that should stop on difficulty >= TTD
  • Make pandas thread safe
  • Fix: getMixHashOrPrevRandao to return the value present in the block header
  • Stop the BlockPropagationManager when it receives the TTD reached event
  • Fast sync with merge
  • Persist last finalized block hash, prerequisite for The Merge
  • Extend validateAndProcessBlock to return an error message in case of …
  • refactor MergeCoordinator executeBlock to return validation reason
  • Persist last finalized block hash
• Feature: transactions synchronization improvements
  • Skip seen transactions
  • Improve eth/66 support
  • Tune transaction synchronization parameter to adapt to mainnet traffic
• Feature: JSON RPC response streaming
  • Improve closing behavior of JsonResponseStreamer, and make clear it i…
  • Response streaming: stop on IO error and remove queue management
• Code improvements
  • Introduce RocksDbSegmentIdentifier to avoid changing the storage plug…
  • Improve code readability
• Fix: block propagation and synchronization
  • Refactor to async retrieve blocks, and change peer when retrying to get a block
  • Do not exit ChainDownloader in case of a generic CancellationException
• Various
  • Log initial sync stats every 10 secs at max to avoid spamming logs
  • Disable RocksDB TTL compactions
  • Filter Netty native lib errors likewise the pure Java implementation

Features for "The Merge" that I ported on the main branch, but have been originally written by others developers from ConsenSys on the merge branch.

Code for the following PRs was written by Gary Schulte Justin Florentine Daniel Lehrner Jiri Peinlich

• Execution specific RPC endpoint
• Add components to handle the transition from PoW to PoS
• Add The Merge core components
• Add header validation rules needed to validate The Merge blocks
• Add PostMergeContext that will stop syncing after the switch to PoS
• Rename MergeOptions to MergeConfigOptions to follow the standard
• New MutableBlockchain method rewindToBlock by hash prerequisite for T…
• Merge: extend block creation and mining to support The Merge
• Merge: port of backward sync
• Merge: add terminal block number and hash to genesis config options

Maintainer GitHub handle: macfarla

Maintainer org: ConsenSys

Query for mainnet label on closed PRs https://github.com/hyperledger/besu/pulls?q=is%3Apr+is%3Aclosed+author%3Amacfarla+label%3Amainnet

Details on mainnet contributions

• Trace APIs - implement the remaining endpoints - worked with frankisawesome, mark-terry and pinges on these 
  • trace_callMany #2886 
  • trace_rawTransaction #2887 
  • trace_get #2889
• bugfix
  • Prevent connecting to self enode 
  • Fixed bug with contract address supplied to `debug_accountAt`
  • Fixed bug where GraphQL "any" topic does not return any results
  • Handle null pointer caused by empty json
• CI improvements
  • LGTM config file preventing out of memory errors 
  • CodeQL config file preventing out of memory errors
  • Add trivy docker scan
  • Separate CI steps for spotless and DCO

Maintainer GitHub handle: pinges

Maintainer org: ConsenSys

Query for mainnet label on closed PRs https://github.com/hyperledger/besu/pulls?q=is%3Apr+author%3Apinges+is%3Aclosed+label%3Amainnet

Details on mainnet contributions

• Trace APIs - implement the remaining endpoints - worked with frankisawesome, mark-terry and macfarla on these 
  • trace_callMany #2886 
  • trace_rawTransaction #2887 
  • trace_get #2889
• bugfix
  • Fix Null pointer exception in VertxPeerDiscoveryController

Maintainer GitHub handle: mark-terry

Maintainer org: ConsenSys

Query for mainnet label on closed PRs https://github.com/hyperledger/besu/pulls?q=is%3Apr+is%3Aclosed+author%3Amark-terry+label%3Amainnet

Details on mainnet contributions

• Trace APIs - implement the remaining endpoints - worked with frankisawesome, pinges and macfarla on these 
  • trace_callMany #2886 
  • trace_rawTransaction #2887 
  • trace_get #2889

Maintainer GitHub handle: frankisawesome

Maintainer org: ConsenSys

Query for mainnet label on closed PRs https://github.com/hyperledger/besu/pulls?q=is%3Apr+is%3Aclosed+author%3Afrankisawesome+label%3Amainnet

Details on mainnet contributions

• Trace APIs - implement the remaining endpoints - worked with pinges, mark-terry and macfarla on these 
  • trace_callMany #2886 
  • trace_rawTransaction #2887 
  • trace_get #2889
• Allow optional API methods with no authentication
• Add uPNP only for P2P NAT method
• bugfix
  • Fixed Null pointer exception in DeFramer

Maintainer GitHub handle: taccatisid

Maintainer org: ConsenSys

Query for mainnet label on closed PRs https://github.com/hyperledger/besu/pulls?q=is%3Apr+is%3Aclosed+author%3Amark-terry+label%3Amainnet

Details on mainnet contributions

• code improvement
  • Refactor timer from BesuRunner into TransactionPoolEvictionService