import { Provider } from "@project-serum/anchor";
  import { Connection, PublicKey } from "@solana/web3.js";
  
  // NOTE: The following code will work currently but the API will change in upcoming releases.

  // You can use Anchor.Provider.env() and use env vars or pass in a custom Wallet implementation to do signing
  const provider = new Provider(connection, wallet, Provider.defaultOptions());

  // Derive the Whirlpool address from token mints
  const orca = new OrcaWhirlpoolClient({ network: OrcaNetwork.MAINNET });
  const poolAddress = await orca.pool.derivePDA(ORCA_MINT, USDC_MINT, false)
    .publicKey;

  // Fetch an instance of the pool
  const poolData = await orca.getPool(poolAddress);
  if (!poolData) {
    return;
  }
  console.log(poolData.liquidity);
  console.log(poolData.price);
  console.log(poolData.tokenVaultAmountA);
  console.log(poolData.tokenVaultAmountB);

  // Open a position
  const openPositionQuote = await orca.pool.getOpenPositionQuote({
    poolAddress,
    tokenMint: ORCA_MINT,
    tokenAmount: new u64(1_000_000_000),
    refresh: true,
    tickLowerIndex: priceToTickIndex(new Decimal(0), 6, 6),
    tickUpperIndex: priceToTickIndex(new Decimal(100), 6, 6),
  });
  const openPositionTx = await orca.pool.getOpenPositionTx({
    provider,
    quote: openPositionQuote,
  });
  const openPositionTxId = await openPositionTx.tx.buildAndExecute();

  // Construct a swap instruction on this pool and execute.
  const swapQuote = await orca.pool.getSwapQuote({
    poolAddress,
    tokenMint: ORCA_MINT,
    tokenAmount: new u64(1_000_000),
    isInput: true,
    refresh: true,
  });
  const swapTx = await orca.pool.getSwapTx({
    provider,
    quote: swapQuote,
  });
  const swapTxId = swapTx.buildAndExecute();