KAGOME v0.9.0

TL;DR

• Parachains support
• Light client support
  • Warp sync protocol for incoming requests
  • Light client protocol
• New Host APIs
  • v2 and v3 child storage host APIs
• Fixes and improvements

Breaking changes

• KAGOME database is incompatible with previous versions

Check most up-to-date snapshots here

Added

RPC

• state_getReadProof by @turuslan in #1518

Networking

• Feature: fast sync without downloading state by @xDimon in #1481
• Feature: ws/wss connection support by @xDimon in #1483
• warp sync by @turuslan in #1503
• light client protocol by @turuslan in #1511
• wss by @turuslan in #1516
• Actual block status before block announce propagation by @xDimon in #1527
• Create AddressPublisher by @turuslan in #1548

Host API

• Feature/missing host apis by @igor-egorov in #1545

Storage

• storeBuffer optimization by @iceseer in #1505
• Refactor block storage, block tree and header repo by @xDimon in #1519
• Changes tracker by @turuslan in #1298

Parachains

• authority discovery query by @turuslan in #1475
• Parachains. Approval implementation. by @iceseer in #1471
• Skip parachains for syncing node. by @iceseer in #1520
• Parachain clear availability store by @iceseer in #1531
• fetch chunk by @turuslan in #1551
• Parallel backing with validation in pool by @iceseer in #1544

Documentation

• Update README.md by @kamilsa in #1525
• Polkadot local and adder-collator examples by @kamilsa in #1533

Misc

• Refactor block executor and block appender to reduce code duplication by @Harrm in #1485
• Remove di singleton by @turuslan in #1530

Fixed

Networking

• Fix catch-up finalization over sync by @xDimon in #1486
• Fix policy of neighbor message sending by @xDimon in #1510

Storage

• Fix child batches and introduce callback for processing loaded trie nodes by @Harrm in #1499

Runtime

• binaryen: check function exists by @iceseer in #1521

Transaction pool

• fix tx valid_till by @turuslan in #1523

Parachains

• Revert "request POV with peers rotation" by @iceseer in #1554

Grandpa

• Fix justification by @turuslan in #1491
• Fix saving justifications by @xDimon in #1502
• fix kusama hardforks by @turuslan in #1512
• Fix forced change by @turuslan in #1534
• Duplicated approval fixup! by @iceseer in #1540

BABE

CLI

• Fix --port and --listen-addr CLI-args handling by @xDimon in #1494

Misc

• Fix ss58 decoder by @xDimon in #1496
• version: fix version detection in submodule by @FlorianFranzen in #1490
• fix injector test asan by @turuslan in #1539

Removed

Security/Infrastructure

• Git hooks to checking of code formatting by @xDimon in #1482
• Update clang versions in CI by @safinsaf in #1484
• Feature/dops 2187/autotests by @safinsaf in #1487
• Run push rel-with-deb-info on self-hosted runner by @safinsaf in #1497
• Update autotests by @safinsaf in #1504
• Remove minideb in needs by @safinsaf in #1522
• Remove push, move push to push-self-hosted by @safinsaf in #1524
• Move linux and minideb to self hosted on master push by @safinsaf in #1528
• Feature/dops 2320/self hosted by @safinsaf in #1529
• Remove linux from require for push by @safinsaf in #1555

Full Changelog: v0.8.1...v0.9.0