meteora/index.js

const DLMM = require('@meteora-ag/dlmm').default;
const { Connection, PublicKey } = require('@solana/web3.js');

const POOL_ADDRESS = "GZ65Nw5MCJUaEEDFdpoV5CNgnyh3JDZJB6JFtAXEAjeH";
const USER_ADDRESS = "5Xihd2FdAXZnER7HWjT8GiZm14hyPiUpGfqLLL86yaa9";

(async () => {
    try {
        const connection = new Connection(
            'https://mainnet.helius-rpc.com/?api-key=4754acdc-8330-4d7d-98bd-b9b35af1b178'
        );

        const dlmmPool = await DLMM.create(connection, new PublicKey(POOL_ADDRESS));
        const { tokenX, tokenY } = dlmmPool;
        const { address: tokenXAddress, decimals: tokenXDecimals } = tokenX.mint;
        const { address: tokenYAddress, decimals: tokenYDecimals } = tokenY.mint;

        // Ensure userPositions is always an array
        const { userPositions = [] } = await dlmmPool.getPositionsByUserAndLbPair(
            new PublicKey(USER_ADDRESS)
        );

        const results = [];

        for (const position of userPositions) {
            const { positionData } = position;
            const { totalXAmount, totalYAmount } = positionData;
            const formattedXAmount = totalXAmount / 10 ** tokenXDecimals;
            const formattedYAmount = totalYAmount / 10 ** tokenYDecimals;

            results.push({
                positionAccountAddress: position.publicKey.toBase58(),
                tokenXAddress: tokenXAddress.toBase58(),
                tokenXAmount: formattedXAmount,
                tokenYAddress: tokenYAddress.toBase58(),
                tokenYAmount: formattedYAmount
            });
        }

        // Always output a JSON array
        console.log(JSON.stringify(results));
        process.stdout.write("\n"); // ensure stdout flushes
    } catch (error) {
        // Output error as JSON to keep Python parsing safe
        console.error(JSON.stringify({ error: error.message || error }));
        process.exit(1);
    }
})();