Raydium new pairs listener

A simple new pairs listener on Raydium (AMM v4 and CPMM) written in Rust.

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🔑 Environment Variables

Copy .env.example to .env and adjust. Main options:

SOL_HTTPS / SOL_WSS — Solana RPC endpoints (use a dedicated provider for production)

WATCH_RAYDIUM_AMM — listen for AMM v4 pools (default: true)

WATCH_RAYDIUM_CPMM — listen for CPMM pools (default: false)

LOG_INSTRUCTION — log filter for AMM v4 (default: initialize2)

CPMM_LOG_INSTRUCTION — log filter for CPMM (default: Instruction: Initialize)

RPC_MIN_INTERVAL_MS — delay between getTransaction calls (default: 250)

LOG — set to debug for RPC retry messages

See .env.example for all variables.

🧰 Getting Started

Prerequisites

• Rust install (1.89+, see rust-toolchain.toml)

🏃 Run Locally

Clone the project

git clone https://github.com/Chall-T/SolWatcher.git

Go to the project directory

cd SolWatcher

Configure environment and run

cp .env.example .env
cargo run

Sample output

[2026-05-27 23:19:35] Setup Solana RPC websocket: "wss://api.mainnet-beta.solana.com"
[2026-05-27 23:19:35] Setup Solana RPC http: "https://api.mainnet-beta.solana.com"
[2026-05-27 23:19:35] Setup Watcher "AMM v4": program=675kPX9MHTjS2zt1qfr1NYHuzeLXfQM9H24wFSUt1Mp8, log_pattern="initialize2"
[AMM v4] Successfully connected to WebSocket.
[AMM v4] Subscribed to Raydium program 675kPX9MHTjS2zt1qfr1NYHuzeLXfQM9H24wFSUt1Mp8.
[2026-05-27 23:20:01] AMM v4 new pair found (Token: ... LP Pair: ...)
[2026-05-27 23:22:34] CPMM new pair found (Token: ... LP Pair: ...)