All projects05 / Tooling / 2025
The production indexing stack: Callisto (Go), PostgreSQL and a NestJS API.
- Role
- Design & engineering
- Year
- 2025
- Stack
- Go, Callisto, PostgreSQL, NestJS, GraphQL
- Links
- GitHub
(01) Overview
Callisto syncs Safrochain state into PostgreSQL in real time; a NestJS REST API and a GraphQL endpoint serve it to the explorer, the wallets and the dApps.
(02) Highlights
- 01Blocks, transactions, staking and governance indexed into PostgreSQL.
- 02REST and GraphQL APIs consumed by the ecosystem apps.