Quickstart

import {
  createSolanaRpc,
  pipe,
  createTransactionMessage,
  setTransactionMessageFeePayerSigner,
  appendTransactionMessageInstructions,
  setTransactionMessageLifetimeUsingBlockhash,
  signTransactionMessageWithSigners,
  sendAndConfirmTransactionFactory,
  createSolanaRpcSubscriptions,
} from "@solana/kit";
import { DlmmProgram } from "@picon-finance/dlmm-sdk";

const rpc = createSolanaRpc("https://api.mainnet-beta.solana.com");

// Omit programAddress to target mainnet. Testing against devnet instead? Import
// DEVNET_PROGRAM_ADDRESS and pass it as the second argument here.
const dlmmProgram = new DlmmProgram(rpc);

// Fetch and cache a pool's account data, mints, and token programs in one call.
const pool = await dlmmProgram.getPool(poolAddress);

// Pool.swapExactIn() quotes internally (right-sizing exactly which bin arrays it needs) and
// returns both the quote and the matching swap instructions built against it — no separate
// quote step. Pool.swapExactOut() is the mirror image, fixing the output instead of the input.
const { quoteOutput, instructions } = await pool.swapExactIn(userSigner, {
  xToY: true,
  amountIn: 1_000_000n,
  slippageToleranceBps: 50,
});

// Every entity method returns Instruction[] (or a single Instruction) — build, sign and
// send the transaction however you normally do with @solana/kit.
const { value: latestBlockhash } = await rpc.getLatestBlockhash().send();
const transactionMessage = pipe(
  createTransactionMessage({ version: 0 }),
  msg => setTransactionMessageFeePayerSigner(userSigner, msg),
  msg => setTransactionMessageLifetimeUsingBlockhash(latestBlockhash, msg),
  msg => appendTransactionMessageInstructions(instructions, msg),
);
const signedTransaction = await signTransactionMessageWithSigners(transactionMessage);

const rpcSubscriptions = createSolanaRpcSubscriptions("wss://api.mainnet-beta.solana.com");
const sendAndConfirm = sendAndConfirmTransactionFactory({ rpc, rpcSubscriptions });
await sendAndConfirm(signedTransaction, { commitment: "confirmed" });

import { generated } from "@picon-finance/dlmm-sdk";