Harmonic GG

Harmonic Validator API (gRPC)

gRPC services the Harmonic validator clients (Salsa/Samba) use to bind to a block builder: subscribe to packet and bundle streams, set the scheduling strategy, discover block engine endpoints, report leader windows, and proxy TPU traffic via the relayer.

GitHub

Other Resources

🔗
Protobuf
https://raw.githubusercontent.com/api-evangelist/harmonic-gg/refs/heads/main/grpc/harmonic-gg-validator-block_engine.proto
🔗
Protobuf
https://raw.githubusercontent.com/api-evangelist/harmonic-gg/refs/heads/main/grpc/harmonic-gg-validator-relayer.proto
🔗
Protobuf
https://raw.githubusercontent.com/api-evangelist/harmonic-gg/refs/heads/main/grpc/harmonic-gg-validator-auth.proto

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API entry from apis.yml

apis.yml Raw ↑ 
name: Harmonic Validator API (gRPC)
description: 'gRPC services the Harmonic validator clients (Salsa/Samba) use to bind to a block builder:
  subscribe to packet and bundle streams, set the scheduling strategy, discover block engine endpoints,
  report leader windows, and proxy TPU traffic via the relayer.'
humanURL: https://docs.harmonic.gg/run-a-validator/endpoints
baseURL: https://fra.auction.harmonic.gg
tags:
- Solana
- Validator
- Block Building
- gRPC
properties:
- type: Protobuf
  url: grpc/harmonic-gg-validator-block_engine.proto
- type: Protobuf
  url: grpc/harmonic-gg-validator-relayer.proto
- type: Protobuf
  url: grpc/harmonic-gg-validator-auth.proto