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Project

Hyperledger Transact - https://github.com/hyperledger/transact

Project Health

Health is good. A lot of continued interest in the project and development continues on new features. New users of Transact include the new libsawtooth library (in the sawtooth-core repo) and Splinter (https://github.com/Cargill/splinter).

Issues

No issues currently.

Releases

Since project creation, the project has had 11 releases. The current release is 0.2.3. The releases are available on crates.io: 

https://crates.io/crates/transact/versions

Overall Activity in the Past Quarter

Continued incremental improvements to the initial code base. Additional activity shown below. The primary method of discussion continues to be held in RocketChat.

  • Added support for storing invalid transaction results as transaction receipts.
  • Continued improvements to the SQLite database implementation.
  • Started work on next-generation smart contract API (in progress):
    • Added the experimental "key-value-state" feature
    • Added an executable example using the Addresser trait implementations to generate radix addresses for up to three natural keys.
  • Improved the protocol API by making transaction and batch building simpler
  • Added the experimental "contract-archive" feature for loading smart contracts from smart contract archive (.scar) files.
  • Added initial Transact SDK for JavaScript which implements builder pattern for batches and transactions


Current Plans

Next steps include:

  • Stabilize SQLite database support
  • Stabilize .scar file support
  • Add next-generation smart contract API / simplified smart contracts (cross-project w/Sawtooth, in-progress)
  • Add PostgreSQL database support
  • Further develop Transact SDK for JavaScript


Maintainer Diversity

The maintainer diversity currently matches that of the initial project sponsor companies.

Contributor Diversity

There are new contributors, primarily related to the new Javascript SDK. There are also new contributions to Sawtooth Sabre that are primarily driven by its use with Transact.

Additional Information

None.

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