High-performance WebSocket server for streaming Solana DEX events with microsecond-level latency

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A WebSocket proxy server for Solana DEX events based on sol-parser-sdk. Real-time monitoring of DEX trading events from PumpFun, Raydium, Orca, and more, streamed to clients via WebSocket.

• 🔥 Ultra-low Latency - Built on sol-parser-sdk with 10-20μs parsing latency
• 🌐 Real-time WebSocket Push - Support multiple concurrent client connections
• 📊 Multi-protocol Support - PumpFun, Raydium AMM V4/CLMM/CPMM, Orca Whirlpool, Meteora, etc.
• 🎯 Event Filtering - Only push events you care about
• ⚙️ TOML Configuration - All parameters flexibly configurable via config file
• 🔄 Auto Reconnection - Automatic client cleanup on disconnect
• 📝 Multi-language Clients - Examples in HTML, TypeScript, Python

┌─────────────────┐
│ Yellowstone gRPC│
│   (Solana RPC)  │
└────────┬────────┘
         │
         ▼
┌─────────────────┐
│ sol-parser-sdk  │
│  (10-20μs parse)│
└────────┬────────┘
         │
         ▼
┌─────────────────┐
│  WebSocket Server│
│  (Broadcast)    │
└────────┬────────┘
         │
         ▼
┌─────────────────────────────────────┐
│  Clients (HTML/TS/Python/...)       │
│  (Real-time DEX Events)             │
└─────────────────────────────────────┘

git clone https://github.com/0xfnzero/parser-proxy-ws.git
cd parser-proxy-ws

cargo build --release

Edit config.toml:

[server]
host = "127.0.0.1"
port = 9001

[grpc]
endpoint = "https://solana-yellowstone-grpc.publicnode.com:443"
token = ""  # Optional: your gRPC token
enable_metrics = true
enable_tls = true
connection_timeout_ms = 10000
request_timeout_ms = 30000

[protocols]
pumpfun = true
raydium_amm_v4 = true
raydium_clmm = true
orca_whirlpool = true
# ... more protocols

[events]
pumpfun_trade = true
pumpfun_create = true
raydium_amm_v4_swap = true
# ... more event types

Method 1: Using Script (Recommended)

./start-server.sh

Method 2: Direct Run

cargo run --release

Server will start based on config file (default ws://127.0.0.1:9001)

Method 1: Using Script (Recommended)

./start-client.sh

The script will prompt you to choose client type:

• HTML Client (Browser visualization, auto-convert Pubkey/Signature)
• TypeScript Client (Terminal, auto-convert Pubkey/Signature)
• Python Client (Terminal, auto-convert Pubkey/Signature + latency display)

Method 2: Manual Start

open examples/client.html

✨ Features:

• Auto-convert Pubkey/Signature to base58 strings
• Real-time latency display (gRPC → Client)
• Color-coded latency (🟢 < 50ms, 🟡 < 100ms, 🔴 ≥ 100ms)
• ⏸️ Pause/Resume - Pause event updates to inspect details

cd examples
npm install
npm start

✨ Features:

• Auto-convert using @solana/web3.js and bs58
• Terminal real-time latency display (with colors)
• TypeScript type safety

pip3 install websockets base58
python3 examples/client.py

✨ Features:

• Auto-convert Pubkey/Signature using base58 library
• Terminal color latency display
• Microsecond precision latency calculation

Each protocol supports the following event types (enable in [events] config section):

• 📈 Trade/Swap - Trading/swapping events
• 💧 Deposit - Add liquidity
• 💸 Withdraw - Remove liquidity
• 🏊 Create/Initialize - Pool creation/initialization

See config.toml for complete event list.

[server]
host = "127.0.0.1"     # WebSocket listen address
port = 9001             # WebSocket listen port

[grpc]
endpoint = "https://solana-yellowstone-grpc.publicnode.com:443"
token = ""                    # gRPC auth token (optional)
enable_metrics = true         # Enable performance metrics
enable_tls = true             # Enable TLS
connection_timeout_ms = 10000 # Connection timeout (ms)
request_timeout_ms = 30000    # Request timeout (ms)

Enable/disable specific protocols and events via config:

[protocols]
pumpfun = true           # Enable PumpFun protocol
raydium_amm_v4 = false   # Disable Raydium AMM V4

[events]
pumpfun_trade = true     # Enable PumpFun trade events
pumpfun_create = false   # Disable PumpFun create events

Note: At least one protocol and one event type must be enabled, otherwise server will fail to start

Raw data from server:

• Pubkey: 32-byte array
• Signature: 64-byte array

{
  "signature": [188, 230, 16, ...],  // 64 bytes
  "mint": [208, 230, 16, ...],       // 32 bytes
  "user": [123, 45, 67, ...]         // 32 bytes
}

Client display format:

• ✅ HTML/TypeScript Client: Auto-convert to base58 strings

  {
    "signature": "5Jb7XqKGPj8XqKGPj8XqKGPj8XqKGPj...",
    "mint": "D0e610e3f14ed2960e95230e9d74e471...",
    "user": "7xKGPj8XqKGPj8XqKGPj8XqKGPj8Xq..."
  }

• ✅ Python Client: Auto-convert using base58 library

{
  "PumpFunTrade": {
    "metadata": {
      "signature": [byte array],
      "slot": 123456,
      "block_time": 1234567890,
      "grpc_recv_us": 1234567890123456
    },
    "mint": [byte array],
    "token_amount": 1000000,
    "sol_amount": 500000,
    "is_buy": true,
    "user": [byte array],
    "virtual_sol_reserves": 1000000000,
    "virtual_token_reserves": 1000000000
  }
}

Each event is wrapped in its corresponding type field:

• PumpFunTrade - PumpFun trade
• PumpFunCreate - PumpFun creation
• RaydiumAmmV4Swap - Raydium AMM swap
• RaydiumClmmSwap - Raydium CLMM swap
• OrcaWhirlpoolSwap - Orca swap

parser-proxy-ws/
├── src/
│   ├── main.rs           # Main entry point
│   ├── config.rs         # Config file loading and parsing
│   └── ws_server.rs      # WebSocket server implementation
├── examples/
│   ├── client.html       # HTML visualization client
│   ├── client.ts         # TypeScript client example
│   └── client.py         # Python client example
├── sol-parser-sdk/       # Solana parser SDK (submodule)
├── config.toml           # Configuration file
├── Cargo.toml            # Rust project config
└── README.md

cargo test

Performance metrics are displayed when server starts:

📊 gRPC receive time: 1234567890 μs
⚡ Event parsing took: 15 μs

1. Trading Bots - Real-time DEX monitoring for arbitrage strategies
2. Price Monitoring - Track trading prices of specific tokens
3. New Token Alerts - Monitor new token creation events
4. Liquidity Analysis - Analyze DEX liquidity changes
5. Data Analytics - Collect on-chain trading data for analysis

MIT License

• sol-parser-sdk - Solana DEX event parsing library
• Yellowstone gRPC - Solana gRPC interface

For issues or suggestions, please submit an Issue.