Semiotic Labs July 2023 Update

Sam · July 10, 2023, 9:22pm

Summary

In June, we:

Completed a TAP payment channel demo
Improved the AutoAgora price selection tool
Contributed to the substreams-to-postgres repo
Collected initial feedback on Verifiable Firehose planning document

Looking back (what was delivered)

TAP

TAP (Timeline Aggregation Protocol) is the core of The Graph’s trust-minimized payment channel, and it is where most of our effort currently is. In June, we finished the core TAP components:

Showcase/Integration tests completed and demoed for E&N
TAP Aggregator and Core released to crates.io (and docs.rs Aggregator & Core)
Updated benchmarking for TAP Core
Collateral Contract implemented and internally audited, most fixes merged with a few awaiting review
GIP for TAP draft completed
PR #109, PR #116, PR #127: Three TAP Core bugs found and fixed

AutoAgora

AutoAgora helps Indexers set prices. We are currently focused on the maintenance and documentation of this tool.

Pull requests merged:

PR #82: Adds support for manual Agora entries
PR #79: (Refactor) Use Jinja to template Agora models
PR #71, PR #72, PR #74, PR #76: Unit tests

Substreams Sink PostgreSQL

substreams-sink-postgres is a StreamingFast command-line tool for quickly syncing a Substream with a PostgreSQL database.

Pull requests merged:

PR #22: Added composite primary key implementation in Postgres sink. With composite primary keys, we are able to store unique events.
PR #25, PR #26: Minor bug fixes

Varifiable Firehose

Current efforts are focused on verifying Firehose flat-file data.

Solicited initial comments from Core Devs on the Verifiable Firehose problem statement and requirements document

Looking ahead (upcoming priorities)