1.3.0-rc.1

Features:

Subscription engine #813

Subscription engine singleton #849
SE features update #914:

• thread pool
• subscribers creator
• weak connectivity between Engine and Subscribers
• engine is disposable
• switch between sync and async single-thread tasks
  Additional schedulers to dispatcher
  Stack-created subscriber is not allowed
  Is busy fixup #1366
  Atomic busy check #1370

Fixed thread pool tasks balancer #1271

Metrics #943

• Add CMake files to .clang-format-ignore
• Disable prometheus-cpp logs
• Extend WSV to countDomains(), countTransactions(), countPeers()
• -fno-lto to link GCC-10 and clang with civetweb which was built with GCC-9
• Tests dependant on ametsuchi are linked against sync_subscription, not async

Prometheus metrics sample #841
Documentation #1346

GitHub Actions #1028

A script to request tags of docker repository from DockerHub using curl and jq #1288
Improvements and fixes #1291, #1313, #1343, #1357, #1284, #1157, #1039

RocksDB #1084

Added rocksdb initialization and basic functionality #954
RocksDB implementation for WsvCommand and WsvQuery #976
RocksDB implementation of Indexer #983
RocksDB command executor #1013
Invalid precision test fix for RocksDB implementation #1089
Fix: Read precision in SubstractAssetQuantity #1091
Specific query executor #1049
Block Store #1304
RocksDB cache #1335

Tools for Migration to RocksDB

wsv_checker #1294
Migration-tool #1320

Proposal Creation Timeout #1011:

• Replace round delay with proposal creation timeout
• Send batches to current and next rounds
• Decouple Yac and OnDemandOrdering from rxcpp
• Asynchronous proposal request

Optional gRPC Parameters #1048

Additional Commands and Queries for Burrow #1326

Implemented by this year's Hyperledger intern @Ayush-Jalan with @baziorek as a mentor
Documentation on new commands #1334

Queries extension by modifing TxPaginationMeta #1092

Implemented by this year's Hyperledger intern @Pawlak00 with @baziorek as a mentor
Extending GetPendingTransactions #1300

Other Features

Async dispatcher implementation #962
Default log manager now reports config-file issues #951
Now CanAddPeer permission also allows the user to remove peers #1362

Fixes

reinterpret_pointer_cast fix for clang build #909
No --drop-state flag is needed for the first run anymore #900 (+ test fix #925)
Enabled reinterpret_pointer_cast for apple platform only to fix build #932
AmetsuchiTest: added condition for prepared block tests #952
reinterpret_pointer_cast moved to iroha namespace #1000
Iroha no longer freezes in GRPC when message of more than 4 MB are sent to it #1003
FlatFile: made the file close before rename #1012
Synchronization fix #1073
Postgres_options_test fix
Ordering Service batches cache + small block fixup #1327
Fixed integration tests #1347,
Fixed integration tests #1347, #1378
Query permission test fix #1380

Infrastructure

Increase Windows CI disk size #918
Remove outdated usages of master branch #924
Fixed CI badge #1367
Added missing brew dep #1336
Added scripts/fix-dco.sh #1303

Refactoring

Refactored YAC #1110
Removed boost::adaptors::filter which could be dereferenced multiple times causing performance decrease #869
Remove rxcpp #1004

Docs

Fixed Links #912
Additional Information About Configuration + Small Documentation Build Fixes #879
PR template change #1002
Added description of metrics flags #1006
Fixed Config example in Docs #1037, #1360
Block Path Config Description #1080
Updated documentation requirements #1359, #1159
Configuration Fix #1360
Removed Doxygen build #1377