[Persistence] V1 Persistence Foundation

[Olshansk]

Objective

A basic SQL-based implementation of the Persistence module specification to enable the development of the rest of the Pocket Node.

Origin Document

Pocket protocol persistence specification

Goals / Deliverables

• Implementation of the persistence module
• Actor schema specification
• Actor query specification
• Dockerized infrastructure to run a LocalNet with the new persistence module implementation
• Deletion / deprecation of the PrePersistence module
• Loading of some sort of state from local disc when a LocalNet node starts up
• Unit Tests & with the 1st iteration of an accompanying unit test library
• Documentation
  • Module specific README
  • Module specific CHANGELOG
  • Module specific code architecture (text and/or diagram)
  • Instructions on how to run/test/debug the module implementation
  • Global documentation / references updated

Non-goals

• A comprehensive and complete "block store" mechanism
• Deployment of the node to a non-local environment
• Data integrity verification and guarantees
• Implementation/adoption of a Merkle Tree
• Implementation/adoption of a Key-Value Store

Testing Methodology

LocalNet and Unit Tests. See ./docs/development/README.md for more details.

Owners: @andrewnguyen22 @Olshansk