Zilliqa

Bug fix:

• Improved memory release and other minor bug fixes (https://github.com/Zilliqa/Zilliqa/pull/2686)
• Fix memleak and force db compaction after each key delete (https://github.com/Zilliqa/Zilliqa/pull/2688)

Bug fixes:

• Store Every Hash for GetProof (https://github.com/Zilliqa/Zilliqa/pull/2672)
• Limit fetching for DirBlocks (https://github.com/Zilliqa/Zilliqa/pull/2680)
• Add memory stats for debugging (https://github.com/Zilliqa/Zilliqa/pull/2669)
• Change JsonRpc port start stop mechanism (https://github.com/Zilliqa/Zilliqa/pull/2667)
• Reduce leveldb logging (https://github.com/Zilliqa/Zilliqa/pull/2668)

Bug fixes:

• Release unclaimed memory for FetchStateJson (https://github.com/Zilliqa/Zilliqa/pull/2664)

Bug fixes: Backported from release-8.0

• Release unclaimed memory at node startup and during syncing (https://github.com/Zilliqa/Zilliqa/pull/2658)
• Clean STL cache every tx epoch for normal and ds nodes (https://github.com/Zilliqa/Zilliqa/pull/2662)

This hotfix addresses a high memory consumption during startup and syncup of miner and seed nodes. (https://github.com/Zilliqa/Zilliqa/pull/2654)

Note: This is an optional upgrade

This hotfix addresses a high memory consumption in regards to processing very large smart contracts on dsguards (#2650) and normal node (https://github.com/Zilliqa/Zilliqa/pull/2652)

This hotfix addresses a high memory consumption in regards to processing very large smart contracts. (https://github.com/Zilliqa/Zilliqa/pull/2650)

Bug fixes:

• Avoid seed node to rejoin twice for responses (https://github.com/Zilliqa/Zilliqa/pull/2637)
• Reset max rejoining attempts (https://github.com/Zilliqa/Zilliqa/pull/2638)
• Fix for protobuf deserialization issue on lookups during first rejoin attempt (https://github.com/Zilliqa/Zilliqa/pull/2640)
• Avoid adding for re-deletion in temp if already marked as to be deleted in main (https://github.com/Zilliqa/Zilliqa/pull/2643)
• Fix node is not syncing upon failure to receive DS info during pow start (https://github.com/Zilliqa/Zilliqa/pull/2644)
• Fix State disappearing after a revert (https://github.com/Zilliqa/Zilliqa/pull/2645)
• Purge only unnecessary keys (https://github.com/Zilliqa/Zilliqa/pull/2648)

Bug fixes:

• Upgrade jsonrpc to v1.3.0 and add epoll flags to MHD methods (https://github.com/Zilliqa/Zilliqa/pull/2633)
• Add logs to make db issues verbose and increase open files setting (https://github.com/Zilliqa/Zilliqa/pull/2631)
• Fix Nonce 0 issue after VC after a vacous epoch (https://github.com/Zilliqa/Zilliqa/pull/2627)
• Handle pows received before POW_SUBMISSION state (https://github.com/Zilliqa/Zilliqa/pull/2629)
• Avoid seed node to rejoin twice for responses (https://github.com/Zilliqa/Zilliqa/pull/2637)

Bug fixes:

• Fix to avoid delay in switching to POW_SUBMISSION state (https://github.com/Zilliqa/Zilliqa/pull/2615)
• Remove check against IP for dscommitte in FinishRejoinAsDS (https://github.com/Zilliqa/Issues/issues/737)
• Fix dm7 (https://github.com/Zilliqa/Zilliqa/pull/2613)
• Remove storage of init trie in DB (https://github.com/Zilliqa/Zilliqa/pull/2622)
• Add VC9 test - Suspend before response (https://github.com/Zilliqa/Zilliqa/pull/2614)

Interoperability support:

• MPT changes for polynet (https://github.com/Zilliqa/Zilliqa/pull/2476)
• Reduce logs for MPT (https://github.com/Zilliqa/Zilliqa/pull/2601)
• Init Trie calculation made more streamlined (https://github.com/Zilliqa/Zilliqa/pull/2602)
• Purge MPT roots for non-lookup nodes (https://github.com/Zilliqa/Zilliqa/pull/2600)

Improved historical Blockchain-Data storage management:

• Avoid fetching historical MB/TxBodies for seeds/lookups in case of rejoin from S3 (https://github.com/Zilliqa/Zilliqa/pull/2587)
• Downloading compressed blockchaindata instead of multiple files (https://github.com/Zilliqa/Zilliqa/pull/2592)

Improvement in node syncing:

• Seed node rejoining in case of OUT_OF_SYNC scenarios (https://github.com/Zilliqa/Zilliqa/pull/2571)
• Add check on incoming-lowblknum against latest blk num on disk (https://github.com/Zilliqa/Zilliqa/pull/2590)
• Request twice for txblocks when ds node syncing to avoid lagging (https://github.com/Zilliqa/Zilliqa/pull/2579)

Consensus/Txn related:

• Added extra time for tx distribution at shard level only for first epoch (https://github.com/Zilliqa/Zilliqa/pull/2566)
• Avoid cleaning txns if no shard mb was included in fb itself (https://github.com/Zilliqa/Zilliqa/pull/2565)
• Mark txns as "PRESENT_VALID_CONSENSUS_NOT_REACHED" when No MB found in FB (https://github.com/Zilliqa/Zilliqa/pull/2604)
• Avoid transfer balance for contract deployment txn (https://github.com/Zilliqa/Zilliqa/pull/2596)

Infrastructure:

• Clear persistence for dsnode and normal node when relaunched by daemon (https://github.com/Zilliqa/Zilliqa/pull/2597)

Other bug-fixes/improvements:

• Check blocknum of pow submission (https://github.com/Zilliqa/Zilliqa/pull/2567)
• Set limit on querying DS Block (https://github.com/Zilliqa/Zilliqa/pull/2593)
• Add code of pending txn in hashing (https://github.com/Zilliqa/Zilliqa/pull/2578)
• Check for leader's pubkey in vc block instead of network info (https://github.com/Zilliqa/Zilliqa/pull/2548)

This release addresses a bottlenecks in smart contract processing and some minor bug fixes.

Core PRs

• Make unix domain server timeout configurable (https://github.com/Zilliqa/Zilliqa/pull/2572)
• Make checking for an empty key more optimized (https://github.com/Zilliqa/Zilliqa/pull/2569)
• Add flag to check if contract call CV is already notified (https://github.com/Zilliqa/Zilliqa/pull/2570)
• Ask for cosig when only one shard (https://github.com/Zilliqa/Zilliqa/pull/2573)

Integration of Scilla v0.10.1 : release notes - https://github.com/Zilliqa/scilla/releases/tag/v0.10.1

This hotfix release addresses a ds node crash due to race condition on reputation store

❗Important: Miners (DS and shard node operators) are highly recommended to upgrade to this version. Seed node operators are not required to upgrade to this version.❗

Core PRs

• Put mutex for reputation (https://github.com/Zilliqa/Zilliqa/pull/2561)
• Fix error on upload incremental db script (https://github.com/Zilliqa/Zilliqa/pull/2558)

This hotfix release addresses a mining issue where nodes that fail to enter a shard are unable to resync successfully.

❗Important: Miners (DS and shard node operators) are highly recommended to upgrade to this version. Seed node operators are not required to upgrade to this version.❗

Core PRs

• Notify wait in InitMining when pow mine is timedout (#2556)

This release provides fix for rare corner case where in transactions can be lost for IP-based whitelisted seed nodes.

❗Important: Miners (DS and shard node operators) and Key-based whitelisted seed nodes are not required to upgrade to this version.❗

• Add ARCHIVAL_LOOKUP check to ignore sending txns to shard (https://github.com/Zilliqa/Zilliqa/pull/2552)

This major release will introduce new features such as reduced block time, revised consensus protocol, remote state read for Scilla, priority adjustments for new miners, payment transaction fee increase, transferring stake to another wallet, optimization to staking contract and lot of other core optimizations and bug fixes.

• Core Protocol

  • Reduced block time and Revised pBFT consensus with txn processing (https://github.com/Zilliqa/Zilliqa/pull/2216)

• Mining

  • Add MIN_NODE_REPUTATION_PRIORITY to give new miner nodes fare chance to join network (https://github.com/Zilliqa/Zilliqa/pull/2156)
  • Notify wait in InitMining when pow is lost (https://github.com/Zilliqa/Zilliqa/pull/2500)
  • Reject pow submissions received after pow window (https://github.com/Zilliqa/Zilliqa/pull/2454)
  • Remove GETSTARTPOW for syncing, non-sharded miners (https://github.com/Zilliqa/Zilliqa/pull/2337)
  • Exclude shard guards from PoW reputation (https://github.com/Zilliqa/Zilliqa/pull/2469)
  • Allow shard guards to fill slots when not enough nodes (https://github.com/Zilliqa/Zilliqa/pull/2481)

• Transactions/state

  • Remote State Reads (https://github.com/Zilliqa/Zilliqa/pull/2452)
  • Scilla disambiguation during state migration (https://github.com/Zilliqa/Zilliqa/pull/2491)
  • Updates to external state fetch in ContractStorage2 (https://github.com/Zilliqa/Zilliqa/pull/2461)

• Node syncups

  • Handle receving of stale txblocks during syncup (https://github.com/Zilliqa/Zilliqa/pull/2492)
  • Fix timing issue with GetVCFinalBlock (https://github.com/Zilliqa/Zilliqa/pull/2475)
  • Faster dsnode rejoining to avoid resyncing from scratch (https://github.com/Zilliqa/Zilliqa/pull/2488)
  • Fix rejoining issue after lost pow (https://github.com/Zilliqa/Zilliqa/pull/2489)
  • Change INCRDB_DSNUMS_WITH_STATEDELTAS default value from 10 to 5 (https://github.com/Zilliqa/Zilliqa/pull/2460)

• Infrastructure

  • Fix memory increase issue of lookups/seed nodes (https://github.com/Zilliqa/Zilliqa/pull/2518)
  • Add SHA Update func that accepts string (https://github.com/Zilliqa/Zilliqa/pull/2473)
  • Avoid duplicate run of clangtools in CryptoUtils (https://github.com/Zilliqa/Zilliqa/pull/2522)
  • Fix compile error in ScillaTestUtil (https://github.com/Zilliqa/Zilliqa/pull/2470)

• P2PComm

  • Decouple CHAIN_ID in libNetwork from libServer (https://github.com/Zilliqa/Zilliqa/pull/2443)

• Seed

  • P2pseed server side socket cleanup (https://github.com/Zilliqa/Zilliqa/pull/2480)
  • Add another max peer connection constant for p2pseed only (https://github.com/Zilliqa/Zilliqa/pull/2471)

• Transaction Tracking

  • RemoteDB socket timeout & Check for normal tran gas (https://github.com/Zilliqa/Zilliqa/pull/2524)
  • Avoid processing duplicate pending txn lists (https://github.com/Zilliqa/Zilliqa/pull/2526)
  • Fix processing of duplicate updates (https://github.com/Zilliqa/Zilliqa/pull/2527)
  • Add disabling of GetPendingTxns API to status server (https://github.com/Zilliqa/Zilliqa/pull/2525)

• Other Notable Bug Fixes and Improvements

  • Minor fix to Messenger::SetNodeForwardTxnBlock (https://github.com/Zilliqa/Zilliqa/pull/2467)
  • Lookup to dispatch txn packet to shard leader as well (https://github.com/Zilliqa/Zilliqa/pull/2468)
  • Detach the commit mb submission before waiting on cv (https://github.com/Zilliqa/Zilliqa/pull/2528)

• Integration of Scilla v0.10.0 : release notes - https://github.com/Zilliqa/scilla/releases/tag/v0.10.0

• RemoteDB socket timeout & Check for normal tran gas (https://github.com/Zilliqa/Zilliqa/pull/2524)
• Add disabling of GetPendingTxns API to status server (https://github.com/Zilliqa/Zilliqa/pull/2525)
• Avoid processing duplicate pending txn lists (https://github.com/Zilliqa/Zilliqa/pull/2526)
• Fix processing of duplicate updates (https://github.com/Zilliqa/Zilliqa/pull/2527)
• Detach the commit mb submission before waiting on cv (https://github.com/Zilliqa/Zilliqa/pull/2528)
• Add exclusion list to disambiguation (https://github.com/Zilliqa/Zilliqa/pull/2536)

• Avoid duplicate run of clangtools in CryptoUtils

• Skip MB submission wait for current ds epoch after upgrade (https://github.com/Zilliqa/Zilliqa/pull/2517)
• Fix memory increase issue of lookups/seed nodes (https://github.com/Zilliqa/Zilliqa/pull/2518)

• Commit disambiguated states to disk (#2510)