DLMM Manager Server

A Node.js server for interacting with Meteora DLMM (Distributed Liquidity Market Maker) pools on the Solana blockchain.

Features

• Fetch protocol metrics and pair data
• Get pool active bin information
• Retrieve user positions for specific pools
• Add and remove liquidity
• Perform swaps between tokens
• Move funds between pools

Installation

1. Clone the repository
2. Install dependencies:

   npm install

3. Copy the example environment file:

   cp .env.example .env

4. Edit the .env file with your preferred settings

Usage

Start the server

node index.js

API Endpoints

• Health Check: GET /health
• Protocol Metrics: GET /api/metrics
• All Pairs: GET /api/pairs
• Specific Pair: GET /api/pairs/:pairAddress
• Pool Active Bin: GET /api/pools/:poolAddress/active-bin
• User Positions: GET /api/users/:userAddress/pools/:poolAddress/positions

Services

MeteoraDLMMKeeperService

Static service for fetching data from the Meteora API:

• Protocol metrics
• Pair information
• Position data

MeteoraDLMMInteractionsService

Service for direct interactions with DLMM pools on the Solana blockchain:

• Initialize pools
• Get active bins
• Manage positions
• Add/remove liquidity
• Perform swaps

Testing

The project includes several types of tests:

# Run simple tests (fast, reliable)
npm run test:simple

# Run tests with coverage reporting
npm run test:coverage

# Run fork tests with local Solana validator
npm run test:fork

For more details on testing, see the tests/README.md file.

Cleanup Script

A utility script is included to remove all liquidity and close all positions for a user:

node cleanup-positions.js

Note: This requires a valid Solana keypair in id.json.

License

ISC