Solana Sniper Bot for Raydium

TypeScript bot that listens for new Raydium CPMM pool initialization events on Solana and can execute buy/sell logic with risk checks.

Features

• Subscribes to Raydium CPMM program logs in real time.
• Detects new pool initialization transactions.
• Applies checks before trading (liquidity threshold, token tax, authority checks).
• Supports take-profit, trailing logic, and hard stop-loss logic.
• Includes Jito bundle tip support.

Requirements

• Node.js 18+
• Yarn or npm
• Solana mainnet RPC endpoint + websocket endpoint
• Funded wallet private key (base58)

Install

yarn install

or

npm install

Environment Setup

Create a .env file in project root.

Example:

RPCENDPOINT=https://mainnet.helius-rpc.com/?api-key=YOURKEY
RPCWEBSOCKETENDPOINT=wss://mainnet.helius-rpc.com/?api-key=YOUR_KEY
PRIVATEKEY=YOURBASE58SECRETKEY
BUY_AMOUNT=0.00001 WSOL_AMOUNT=0.00001 DELAY=2000 MINLIQUIDITYSOL=100
MAXDEVWALLETSUPPLYPCT=20 MAXSELLTAX_PCT=10 REQUIREREVOKEDUPGRADE_AUTHORITY=true
TPLEVELSPCT1=25 TPLEVELSPCT2=50 TPLEVELSPCT3=100
TPSIZEPCT1=0.3 TPSIZEPCT2=0.4 TPSIZEPCT3=0.3
TRAILDISTANCEPCT=10 HARDSTOPLOSS_PCT=-25
JITO_FEE=0.0001

Env Variable Reference

• RPC_ENDPOINT: HTTP Solana RPC URL.
• RPCWEBSOCKETENDPOINT: WS Solana RPC URL for log subscriptions.
• PRIVATE_KEY: Base58 private key used for transaction signing.
• BUY_AMOUNT: Buy sizing input used in trade logic.
• WSOL_AMOUNT: SOL amount wrapped to WSOL for swap transfer.
• DELAY: Milliseconds between sell-condition checks.
• MINLIQUIDITYSOL: Minimum detected liquidity required before trading.
• MAXDEVWALLETSUPPLYPCT: Max allowed creator wallet supply percent.
• MAXSELLTAX_PCT: Max allowed transfer fee/tax percent for Token-2022 checks.
• REQUIREREVOKEDUPGRADE_AUTHORITY: Enables authority revocation check logic.
• TPLEVELSPCT1..3: Profit percentage thresholds for multi-step TP.
• TPSIZEPCT1..3: Portion to sell at each TP threshold.
• TRAILDISTANCEPCT: Trailing distance logic threshold.
• HARDSTOPLOSS_PCT: Loss threshold where full exit is triggered.
• JITO_FEE: Tip amount used in Jito bundle transaction flow.

Run

Start sniper listener:

yarn start

Build:

yarn build

Run test helper:

yarn test

Project Structure

• src/index.ts: Main runtime entrypoint (listener startup).
• src/utils/utils.ts: Transaction parsing, checks, strategy execution.
• src/utils/jito.ts: Jito bundle + tip submission flow.
• src/constants/constants.ts: Env loading and runtime constants.
• src/raydium-cpmm/: Raydium CPMM interaction helpers.

Notes

• Never commit your real .env or wallet key.
• Keep node_modules/ out of git.
• Use a dedicated low-balance wallet for bot operation.
• Test with small size settings first.

Troubleshooting

• If startup exits immediately, verify all required env keys are set.
• If no events are detected, verify RPC websocket endpoint supports logs.
• If buys fail, check wallet SOL balance and token account creation fees.
• If sells do not trigger, review TP/SL numbers and ensure they are numeric.