Release 1.8.4 (Node only)

Blockchain Node

• Fixed transactions broadcast delay;
• Fixed broadcast of contract validation results;
• Improved debugging functionality;
• Implemented new SignedHandshake.

Warning: this patch is crucial for updating the network to newer versions, since SignedHandshakeV2 is now deprecated and won't be used by future versions.

Release 1.8.3 (Node only)

Blockchain Node

• Critical fixes of OOMs in miner-validator nodes

Updating is encouraged for Mainnet participants with high stake and 'contract_validator' roles.

Release 1.8.2 (Node only)

Blockchain Node

• Performance fixes & improvements for Contract Validator engine

Updating to v1.8.2 is recommended for nodes that have 'miner' and 'contract_validator' roles on the network.

Release 1.8.1 (Node only)

Blockchain Node

• Fixed a false blockchain feature (11th index) activation

Attention: update from v1.8.0 to v1.8.1 is highly recommended to be carried out as soon as possible!

Release 1.8.0

Blockchain node

• Privacy engine changes:
  • Added support of big privacy data streaming (with PostgreSQL or AmazonS3 storage);
  • Reduced memory consumption of privacy sync;
  • Dropped legacy privacy protocol support (version < 1.7.0).
• Smart-contract updates:
  • Implemented MVCC – multiversion concurrency control. Now it is possible to execute any contracts in parallel with the guarantee of data consistency.
• Performance optimizations:
  • Improved REST and gRPC API responsiveness;
  • Modified transaction propagation mechanism to reduce mining time (sending to miners first);
  • Reduced contract transaction memory consumption.
• Added support of GOST TLS for nodes communication.
• Added new REST and gRPC methods.
• A lot of minor fixes.

Authorization service

• Added token authorization;
• When creating a new user the password reset link will be automatically send to the user`s email;
• A bug with html injection for user feedback has been fixed;
• A bug when switching locales does not affect the emails has been fixed;
• A bug with password validation upon logging in has been fixed.

Crawler

• Added connection id 'crawler_' when connecting to node;
• A bug when starting the service without the GRPC_ADDRESSES env leads to an 'Internal liveliness probe failed' error has been fixed.

Data service

• Added missing routes to Swagger and removed deprecated ones;
• Optimized contacts search query;
• Added possibility to search by atomics child transactions;
• A bug with duplicate keys in the contract state has been fixed;
• A bug when RIDE transactions fields were encoded with base64 has been fixed;
• Fixed possible SQL injections;
• Fixed transactions search by signature;
• Fixed contracts state search query.

Client

• Added token authorization;
• A bug when clicking on "Copy data" on the Users tab copies only address instead of full info has been fixed;
• Fixed minor bugs.

Release 1.7.3 (Node only)

Blockchain node

• Fixed micro-block synchronization default configuration;
• Fixed micro-block loader;
• Improved micro-block log readability.

Release 1.7.2

Blockchain node

• Critical fix for smart-contract validation during node sync;
• Fix for CFT consensus algorithm;
• Implemented auto sync for missing privacy data on request;
• Fixed network error on exceeding incoming connection;
• Various logging improvements.

Release 1.7.0

Blockchain node

• Privacy engine changes:
  • Implemented new privacy protocol which decreases network load and latency;
  • gRPC stream of events has been added;
  • Optimized interaction with the PostgreSQL;
  • The opportunity to upload and download privacy data via gRPC has been implemented;
  • Distribution of data has been accelerated due to integration with the NG mechanism.
• Smart-contract updates:
  • Implemented the circuit breaker pattern for smart contract error handling;
  • New gRPC stream with smart contract execution statuses has been added;
  • Enhancement of the smart contract error interface: error classes fatal and recoverable have been added.
• Performance optimizations:
  • The mechanism for distribution and downloading of micro-blocks has been accelerated;
  • Support of the parallel execution of smart contracts with the same Docker image has been added;
  • The process of smart contract initialization has been divided from execution and is performed beforehand;
  • Added support of the updated GOST cryptography.
• Implemented the watcher node mode with minimal resource consumption;
• Healthcheck reorganization:
  • Checks of RocksDB state and free disk space have been added;
  • Check of external services has been migrated into the dedicated endpoint.
• gRPC improvements:
  • Configuration parameters of public services have been moved into the common section;
  • Responses including public keys have been enhanced with the address field.
• A lot of minor fixes.

Blockchain client

• Added integration with WE Wallet extension for Chrome: sign transactions using keys stored in extension;
• Added support for ERC20-like token transfers.

Crawler

• Added support for contracts with docker validation rules.

Release 1.6.2 (Node only)

Blockchain node

• Implemented the smart-contract validation policies, activated with the use of the ContractValidationsSupport (index 162) soft-fork:
  • New transactions: CreateContractTransactionV4 and UpdateContractTransactionV4;
  • Smart-contract validation policies: Any, Majority and MajorityWithOneOf([addresses]);
  • New contract_validator permission;
  • Introduced economics for validators: they evenly share 25% of transaction fees for participation in the validation process.
• CFT improvements: concurrent micro and liquid block building;
• Updated the snapshot feature: the node clean start process on snapshoted networks has been fully automated, security of the snapshot zip has been enhanced;
• Smart-contract API versioning: added a new apiVersion field to new versions of the CreateContract and UpdateContract transactions. The default version for smart-contracts made before the 1.6.2 release is "1.0", while the Proto files for 1.6.2 node have the "1.1" version;
• Smart-contract gRPC API 1.1 changes:
  • Added the AddressService.GetAssetBalance method;
  • Added the connection_id field option to the metadata of the request for the BlockchainEventsService's SubscribeOn method.
• Changes of the metric system:
  • REST API metrics have been fixed;
  • Privacy metrics with additional pending items and retry counts have been updated.
• Automated state migration on node startup has been fixed;
• Pre-start validation of ENV parameters and node configs;
• Fixes for initial-balance validation in the genesis signature generator.

Release 1.6.0

Blockchain node

• Implemented State Snapshots (see docs)
• gRPC API improvements:
  • new public methods: Broadcast, TransactionInfo and UtxSize
  • unified error handling (see README.md inside we-proto archive)
  • bug fixes for BlockchainEvents
• Performance improvements
• Better logging of API calls
• Implemented metrics segmentation for more precise configuration options

JS SDK

• Sending all kinds of transactions via gRPC has been implemented
• Examples of transaction sending via the gRPC have been added
• Build has been optimized, added interfaces

Authorization service

• Limitation on number of requests from one client to /v1/user/* endpoints has been added
• The mechanism for checking the fact of password change on /refresh request has been implemented
• E-mails appearance has been changed: added templates with WEST logo and styling
• The /admin/user/createConfirmed endpoint has been added to create a confirmed user (requires the "admin" role in the token)

Crawler

• A bug when inserting a large number of parameters or DockerCall results in one block (about 10000) has been fixed
• A bug when processing rollback in the network under load has been fixed
• Support for the latest version of proto-schemes from a node has been added
• Error handling logic for GRPC protocol has been updated
• The ability to adjust the amount of memory for the application via NODE_JS_RAM_LIMIT has been added
• The graceful shutdown logic has been improved
• The logging in production mode has been improved

Data service

• An error when querying for contracts/history without parameters has been fixed
• The query logic for /assets has been improved: the native WEST token is always in output, regardless of the number of tokens in the system
• The default values and swagger scheme for contract/state request have been added

Client

• The Token section has been re-designed
• A current number of tokens in leasing in the address list has been added
• The "Search everywhere" search option has been removed
• Fixed minor bugs