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Unreleased (latest)

  • Nothing yet.

2.0.1 (2022-02-23)

  • Limit width of the subsystems data Hash field in UI Consents page to avoid getting too wide table display.

2.0.0 (2022-02-03)

  • Add subsystems definitions to blocks stored in the blockchains to detail referenced data for which the consents are being applied.
  • Add more extensive documentation about content metadata when subsystems are involved.
  • Add more CSS definitions for different field types allowing better interpretation of consents metadata at a glance.
  • Add UI shortcuts to every page allowing to return back to initial network nodes and chains listing pages after visiting more specific children pages of a given blockchain blocks or consents.
  • Replace changes field returned by API GET /chains/{id}/consents request from generic strings to detailed JSON representation of consent history changes. Old string representation is returned in new summary field.
  • Improve application log message format and align uvicorn logging details with it.
  • Fix import error when computing block hash.
  • Fix default modification ContentType from CREATED to new UNDEFINED. This better explains why the creation time of a dynamically generated consent during latest consents listing always changes upon each API or UI call.
  • Fix potential incomplete save of blockchain following corrupted data in block.
  • Fix block creation from direct dictionary instead of keyword arguments.
  • Fix resolution of class implementations to enforce parsing and validation of properties when available.
  • Fix format of created and expire fields in API and for saving data using consistent ISO formatted datetimes.

1.1.0 (2022-01-26)

  • Add generation of OpenAPI schema per version to documentation directory.
  • Remove the need to supply the --secret argument when creating the genesis block using --new argument.
  • Fix application imports causing circular references between schemas and blockchain class implementations.

1.0.0 (2022-01-25)

  • Refactor code using FastAPI framework for better schema validation and generation in OpenAPI documentation.
  • Add required --secret option that sets the Blockchain node secret for hashing blocks.
  • Fix warning about potential Length Extension Attacks related to applied hashing method (relates to HL101 warning, Length Extension Attacks).
  • Fix startup of application as direct Python due to arguments not retrieved from sys.argv.
  • Fix docker image build.

0.11.2 (2021-08-16)

  • Fix missing detail=true parameter for retrieval of remote node blocks during blockchain consensus resolution.

0.11.1 (2021-08-16)

  • Update invalid requirements reference to extended addict package with JSON converter.

0.11.0 (2021-08-16)

  • Add current API version field in frontpage endpoint.
  • Add API version label to every UI page using shared inherited Mako definition.

0.10.0 (2021-08-12)

  • Add UI endpoint and links that allow display of complete list of blocks details and their stored consents.
  • Add typing definitions for blockchain.app:run command to help understand expected inputs for gunicorn call.
  • Add metadata rendering about the currently viewed blockchain for both new blocks and previous consents UI pages.
  • Replace APP.node with only UUID of current node by full Node class that contains both the URL and UUID.
  • Fix override of local node host value to allow referring to public IP.

0.9.0 (2021-08-12)

  • Add sample execution call to start an application node using multiple gunicorn workers.
  • Add gunicorn to requirements.
  • Fix breaking changes in flask and apispec major versions not pinned by flask-apispec.

0.8.0 (2021-08-09)

  • Change GET /chains/{CHAIN_ID}/blocks endpoint to return by default a list of Block IDs instead of their expanded definition. Query parameter detail=true can be provided to return the expanded definitions of the blocks.
  • Add resolve=true|false (default false) query parameter to GET /chains to allow initial creation of all missing Blockchain definitions on a server node using retrieved definitions from remote nodes in the network. This is equivalent to calling initial consensus resolution (blockchain generated) for all missing ID of other nodes GET /chains/{CHAIN_ID}/resolve responses.
  • Add performance test for evaluation purpose (CLI with repeated request calls and timing summary statistics).
  • Add app.run function to allow execution of the Web Application through WSGI runner such as gunicorn.
  • Change parsing of command line arguments to support both direct Web Application call and through WSGI runner.

0.7.0 (2021-07-16)

  • Add listing of known remote network nodes in UI summary page.
  • Add http scheme to current node URL location returned in responses.
  • Add ui URL link in node entrypoint response.
  • Add URL links clickable to relevant locations in UI pages.
  • Add CSS for UUID fields in UI pages.
  • Apply sorting of Content by ContentAction rather than created date for easier readability in UI page.

0.6.0 (2021-07-09)

  • Add body top-menu table to render current node ID on each UI page.
  • Fix incorrect rendering of UI shortcut link titles.

0.5.0 (2021-06-21)

  • Add Consent updates, reporting and resolution against new blocks added to the blockchain.
  • Add schema validation error messages to returned response for contextual details of the cause of failing request.
  • Fix issue when resolving remote node IDs using detail query parameter.
  • Fix blockchain creation during the initial resolution to avoid different genesis blocks, resulting in following blocks to compute different previous-hash, in turn resulting into diverging blockchains.
  • Fix block instantiation using predefined created value to avoid regeneration with current datetime.
  • Fix issue related to incorrect inheritance of fields when resolving JSON representation of AttributeDict.

0.4.0 (2021-06-18)

  • Add consents implementation embedded in the blocks of the blockchains.
  • Add change tracking, history and resolution of latest consents from blockchain.
  • Add Mako templates and UI endpoints to display blockchains and their contents.

0.3.0 (2021-06-04)

Features / Changes

  • Restructure API into separate blueprints sections for the main blockchain functionalities and registered nodes for consensus resolution.
  • Add provision of JSON/YAML OpenAPI schema and rendering of Swagger UI with it.
  • Employ auto schema validator and parameters in functions to retrieved parsed queries.
  • Update the API and database implementation to support multiple parallel blockchains.
  • Improve resolution mechanism to allow initial consensus to generate the chain when it doesn't exist on current node using another node reference.
  • Partial implementation of Consent related objects, but not yet applied to the blockchain.

Bug Fixes

  • Fix resolution if LICENSE metadata.

0.2.0 (2021-05-07)

Features / Changes

  • Update linting of strings to uniformize the code.
  • Add automatic generation of OpenAPI and JSON schemas.
  • Add automatic resolution of package metadata from setup, which itself resolves fields the multiple root repository files (CHANGES, README, LICENSE, requirements.txt, etc.).

Bug Fixes

  • Fix resolution and loading of FileSystemDatabase blockchain contents from existing data files.

0.1.0 (2021-05-01)

  • First structured release.

Features / Changes

  • Employ reference implementation dvf/blockchain to define Blockchain.
  • Extend types with Block and other utilities to facilitate their parameter definition.
  • Extend with Database file system test implementation to persist Blocks and reload on startup.
  • Add setup.py, package metadata and LICENSES definitions.
  • Add typing to some existing and new classes.