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Abstract

Hyperledger Iroha allows us to query for transactions saved in database and blocks. PostgreSQL is used as a database and irohad is responsible for processing queries.

In order to add possibility to query for transactions in time interval, existing queries need to be extended.

Following queries are going to be modified:

Also, new functionalities will be added to some of the client libraries.

Mentor and Mentee

MentorMentee

Grzegorz Bazior


Piotr Pawłowski

Communication channel:

mail: ppawlowski[at]student.agh.edu.pl

Project repository: https://github.com/Pawlak00/iroha

Deliverables (fields marked * are optional)

  • 1 Extend get*transactions with optional parameters such as date from, date to(Protobuf + Iroha base code)
  • 2 Add the optional arguments to Python Iroha library.
  • 3 Add unit tests to Iroha base code
  • 4 Deliver necessary docs
  • 5 Add the optional arguments to Java Iroha library.
  • 6 Add the optional arguments to Js Iroha library.
  • 7 Present results to Iroha community

Milestones

Eval 1:

  • a POC: Extend getTransactions with optional parameters such as date from, date to(Protobuf + Iroha base code)
  • b POC: Add the optional arguments to Python Iroha library.

Eval 2:

  • c Eval 1 production ready
  • d Unit tests and documentation
  • e Consult results with Iroha maintenance team and add necessary corrections

Eval 3:

  • f Extend other Iroha client libraries: Java, NodeJs
  • g Review all changes with Iroha team

Eval 4:

  • h Cleanup, refactoring and debugging, adding examples to Iroha python client
  • i Adding code changes to official Iroha repositories
  • j Presenting results.

Timeline

WeekTask/PlanStatus
June 1 - June 4
  1. Getting familiar with Iroha docs and starting example database.
  2. Building and running Iroha from code.		 done
June 7 - June 11Reading Iroha code and changing protobufs. Finding database transaction queries.done
June 14 - June 25
  1. First try of modifying code: extending query protobuffs and changing corresponding code for SQL.

  2.  Modifying python library code.

  3*. Ask about date format for protobuff, with explaining existing one.

 4*.  Code clean.

done
June 28 - July 2Modifying other queries specified in abstract.done
July 5 - July 9
  • Extending GetAccountTransactions and GetAccountAssetTransactions in Iroha Core Code + creating Pull Request with changes
  • Eval 1

done


July 12 - July 23
  • Testing those changes with iroha-python + creating Pull Requests
  • Creating Pull Request to Iroha-Python library
  • Adding tests
  • Adding documentation
done
July 26 - August 6done
August 9 - August 13done
August 16 - August 27
  • Creating Pull Request for iroha-java + corrections + review
  • Eval 2

done


August 30 - Sept 3Extending queries: GetAccountTransactions, GetAccountAssetTransactions for RocksDB - learning codebasedone
Sept 6 - Sept 17

 Pull request for Iroha java + corrections

Getting familiar with iroha ios library and iroha-tui client

done
Sept 20 - 24

Presenting results to Iroha team

done
Sept 27 - Oct 1

Getting familiar with Iroha burrow integration

Eval 3

done

done

Oct 4 - Oct 15

POC for missing commands and queries in Iroha burrow integration

done
Oct 18 - Oct 29

Investigation for adding MST to mentioned integration

done
Nov 1 - Nov 5Pull Request review and correctiondone
Nov 8 - Nov 12

Eval 4

Final evaluation and presentation of project 


Project results


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