celestia-indexer

Celestia Indexer | Celenium

This is an indexing layer for Celestia DA written in Golang that operates on top of the Celestia Full node and stores data in a Postgres database.

Run

Prerequisites:

• Git
• Docker
• Go 1.21.2 (for development and testing)

Local run

Clone the repository:

git clone https://github.com/celenium-io/celestia-indexer.git
cd celestia-indexer

Create .env file and set up required environment variables:

cp .env.example .env
vim .env

Required environment variables:

• CELESTIA_DAL_API_URL - uri for Celestia Full Storage Node
• CELESTIA_NODE_AUTH_TOKEN - token with read access level for full storage node. You can get it from your running node instance by command celestia full auth read
• CELESTIA_NODE_URL - uri to Celestia Consensus Node
• POSTGRES_USER - username for Postgres
• POSTGRES_PASSWORD - password for Postgres

Build the Docker images for the indexer and API:

docker compose build

Start the services using Docker Compose:

docker compose up -d

This will start the indexer and API services as well as a Postgres database instance. The services will be configured according to the .env file and the docker-compose.yml file in the repository.

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Features

• RPC node client
• Rollbacks are handled
• Database is partitioned for better performance
• Optional diagnostic mode for consistency checks

Indexed entities

• Blocks
  • Transactions
  • Balance updates (block rewards, gov-triggered issuance/burn, other events)
  • Header
  • Stats
• Transactions
  • Details
  • Balance updates
• Blobs
  • Metadata
• Accounts
  • Balances
  • Stats
• Namespaces
  • Stats
• Summary
  • Stats

License