1.12.0

• Support native token operations for Smart-Contracts:
  • Smart-Contracts can issue/reissue/burn/transfer assets;
  • Smart-Contracts now have their own balance and can receive assets from users via Create or Call transactions;
  • new operations support parallel execution (via MVCC);
• Removed deprecated features:
  • Older REST-based Smart-Contracts will be EOL (end-of-life) after '1120' feature is activated;
  • Removed sender field from proto-message ContractExecutionResponse, see util_contract_status_service.proto;
• New Smart-Contract gRPC API methods for reading block headers, see contract_block_service.proto;
• Faster first start docker container contract for Smart-contracts execution;
• Privacy engine changes:
  • optimized data loading mechanism from peers;
  • improved security;
• Enhanced error handling for transactions in UTX;
• Added scratch docker image for node;
• A lot of minor fixes and refactoring.