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Yellowstone Dragon’s Mouth

An open-source Rust repository containing a Solana Geyser plugin and sample clients for a standardized gRPC streaming interface.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Yellowstone Dragon's Mouth — OpenViST project profile in Infrastructure.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use it when a Solana application needs a documented gRPC path for high-performance blockchain data streams and the team can work with validator-side infrastructure.

Who it is for

  • Solana developers building real-time data services
  • Infrastructure teams operating server or Linux-based systems
  • Developers creating monitoring, ingestion, alerting, or indexing backends

Documented uses

  • Stream Solana slots, blocks, and transactions
  • Receive deshred pre-execution transaction data
  • Consume account update notifications
  • Connect downstream services through gRPC
  • Configure listener security and request authentication
Before you choose

Requirements & limits

The repository is public, open source, and identified as AGPL-3.0 licensed.

  • It is built around Solana's Geyser interface and implemented in Rust.
  • The documented stream types cover slots, blocks, transactions, deshred pre-execution transactions, and account updates.
  • Listeners support TCP or Unix domain socket address formats.
  • TLS is documented for listeners, while TLS is ignored for Unix domain sockets.
  • Authentication options include an HTTP resolver, a local JSON mapping file, and trusted metadata.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Configure the validator plugin and check its configuration

Prepare a Solana validator to use the Yellowstone Geyser plugin and validate the plugin configuration.

Before you start

  • A Solana validator environment.
  • The repository's Geyser plugin configuration file at yellowstone-grpc-geyser/config.json.
  • The repository and its documented Rust tooling.

Steps

  1. Configure the validator with the documented Geyser plugin configuration: solana-validator --geyser-plugin-config yellowstone-grpc-geyser/config.json

  2. Run the documented configuration check: cargo-fmt && cargo run --bin config-check -- --config yellowstone-grpc-geyser/config.json

Expected outcome

The validator is configured to reference the Yellowstone Geyser plugin, and the repository's configuration-check procedure has been run.

Guide limitations

  • The documented steps do not establish deployment, authentication, or broader operational requirements.
  • Block reconstruction can produce blocks with zero entries for blocks generated on validators because of the documented BlockMeta limitation.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
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Sources checked
1 October 2026
Original website title
rpcpool/yellowstone-grpc · Official homepage title · retained in its source language
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