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.