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:

RPC_ENDPOINT=https://mainnet.helius-rpc.com/?api-key=YOUR_KEY
RPC_WEBSOCKET_ENDPOINT=wss://mainnet.helius-rpc.com/?api-key=YOUR_KEY
PRIVATE_KEY=YOUR_BASE58_SECRET_KEY

BUY_AMOUNT=0.00001
WSOL_AMOUNT=0.00001
DELAY=2000
MIN_LIQUIDITY_SOL=100

MAX_DEV_WALLET_SUPPLY_PCT=20
MAX_SELL_TAX_PCT=10
REQUIRE_REVOKED_UPGRADE_AUTHORITY=true

TP_LEVELS_PCT1=25
TP_LEVELS_PCT2=50
TP_LEVELS_PCT3=100

TP_SIZE_PCT1=0.3
TP_SIZE_PCT2=0.4
TP_SIZE_PCT3=0.3

TRAIL_DISTANCE_PCT=10
HARD_STOP_LOSS_PCT=-25

JITO_FEE=0.0001

Env Variable Reference

• RPC_ENDPOINT: HTTP Solana RPC URL.
• RPC_WEBSOCKET_ENDPOINT: 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.
• MIN_LIQUIDITY_SOL: Minimum detected liquidity required before trading.
• MAX_DEV_WALLET_SUPPLY_PCT: Max allowed creator wallet supply percent.
• MAX_SELL_TAX_PCT: Max allowed transfer fee/tax percent for Token-2022 checks.
• REQUIRE_REVOKED_UPGRADE_AUTHORITY: Enables authority revocation check logic.
• TP_LEVELS_PCT1..3: Profit percentage thresholds for multi-step TP.
• TP_SIZE_PCT1..3: Portion to sell at each TP threshold.
• TRAIL_DISTANCE_PCT: Trailing distance logic threshold.
• HARD_STOP_LOSS_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.