Triển khai một pool CLMM

import { Raydium, TxVersion, parseTokenAccountResp } from "@raydium-io/raydium-sdk-v2";
import { Connection, Keypair, clusterApiUrl } from "@solana/web3.js";
import { TOKEN_PROGRAM_ID, TOKEN_2022_PROGRAM_ID } from "@solana/spl-token";
import bs58 from "bs58";
import fs from "node:fs";

export const owner: Keypair = Keypair.fromSecretKey(
  // accept either a JSON-array keypair file (same shape Solana CLI writes) or a bs58 secret in env
  process.env.KEYPAIR_BS58
    ? bs58.decode(process.env.KEYPAIR_BS58)
    : new Uint8Array(JSON.parse(fs.readFileSync(process.env.KEYPAIR!, "utf8"))),
);

export const connection = new Connection(
  process.env.RPC_URL ?? clusterApiUrl("mainnet-beta"),
  "confirmed",
);
export const txVersion = TxVersion.V0;
const cluster = "mainnet" as "mainnet" | "devnet";

let raydium: Raydium | undefined;
export const initSdk = async (params?: { loadToken?: boolean }) => {
  if (raydium) return raydium;
  raydium = await Raydium.load({
    owner,
    connection,
    cluster,
    disableFeatureCheck: true,
    disableLoadToken: !params?.loadToken,
    blockhashCommitment: "finalized",
  });
  return raydium;
};

export const fetchTokenAccountData = async () => {
  const solAccountResp = await connection.getAccountInfo(owner.publicKey);
  const tokenAccountResp = await connection.getTokenAccountsByOwner(owner.publicKey, {
    programId: TOKEN_PROGRAM_ID,
  });
  const token2022Req = await connection.getTokenAccountsByOwner(owner.publicKey, {
    programId: TOKEN_2022_PROGRAM_ID,
  });
  return parseTokenAccountResp({
    owner: owner.publicKey,
    solAccountResp,
    tokenAccountResp: {
      context: tokenAccountResp.context,
      value: [...tokenAccountResp.value, ...token2022Req.value],
    },
  });
};

import { CLMM_PROGRAM_ID, DEVNET_PROGRAM_ID } from "@raydium-io/raydium-sdk-v2";
import { PublicKey } from "@solana/web3.js";
import Decimal from "decimal.js";
import { initSdk, txVersion } from "./config";

export const createPool = async () => {
  const raydium = await initSdk({ loadToken: true });

  // RAY
  const mint1 = await raydium.token.getTokenInfo("4k3Dyjzvzp8eMZWUXbBCjEvwSkkk59S5iCNLY3QrkX6R");
  // USDT
  const mint2 = await raydium.token.getTokenInfo("Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB");

  // Fee tiers come from the live API. On devnet the published `id` field is wrong;
  // re-derive the PDA before passing it to the SDK.
  const clmmConfigs = await raydium.api.getClmmConfigs();

  const { execute } = await raydium.clmm.createPool({
    programId: CLMM_PROGRAM_ID,
    // programId: DEVNET_PROGRAM_ID.CLMM_PROGRAM_ID,
    mint1,
    mint2,
    ammConfig: {
      ...clmmConfigs[0],
      id: new PublicKey(clmmConfigs[0].id),
      fundOwner: "",
      description: "",
    },
    initialPrice: new Decimal(1),
    txVersion,
    // optional: set up priority fee here
    // computeBudgetConfig: { units: 600000, microLamports: 46591500 },
  });

  const { txId } = await execute({ sendAndConfirm: true });
  console.log("clmm pool created:", { txId: `https://explorer.solana.com/tx/${txId}` });
  process.exit();
};

createPool();

import {
  ApiV3PoolInfoConcentratedItem,
  TickUtils,
  PoolUtils,
  ClmmKeys,
} from "@raydium-io/raydium-sdk-v2";
import BN from "bn.js";
import Decimal from "decimal.js";
import { initSdk, txVersion } from "./config";
import { isValidClmm } from "./utils";

export const createPosition = async () => {
  const raydium = await initSdk();

  let poolInfo: ApiV3PoolInfoConcentratedItem;
  // RAY-USDC pool
  const poolId = "61R1ndXxvsWXXkWSyNkCxnzwd3zUNB8Q2ibmkiLPC8ht";
  let poolKeys: ClmmKeys | undefined;

  if (raydium.cluster === "mainnet") {
    const data = await raydium.api.fetchPoolById({ ids: poolId });
    poolInfo = data[0] as ApiV3PoolInfoConcentratedItem;
    if (!isValidClmm(poolInfo.programId)) throw new Error("target pool is not CLMM pool");
  } else {
    const data = await raydium.clmm.getPoolInfoFromRpc(poolId);
    poolInfo = data.poolInfo;
    poolKeys = data.poolKeys;
  }

  // Optional: pull on-chain real-time price to avoid slippage errors from a stale API quote.
  // const rpcData = await raydium.clmm.getRpcClmmPoolInfo({ poolId: poolInfo.id });
  // poolInfo.price = rpcData.currentPrice;

  const inputAmount = 0.000001; // RAY amount
  const [startPrice, endPrice] = [0.000001, 100000];

  const { tick: lowerTick } = TickUtils.getPriceAndTick({
    poolInfo,
    price: new Decimal(startPrice),
    baseIn: true,
  });
  const { tick: upperTick } = TickUtils.getPriceAndTick({
    poolInfo,
    price: new Decimal(endPrice),
    baseIn: true,
  });

  const epochInfo = await raydium.fetchEpochInfo();
  const res = await PoolUtils.getLiquidityAmountOutFromAmountIn({
    poolInfo,
    slippage: 0,
    inputA: true,
    tickUpper: Math.max(lowerTick, upperTick),
    tickLower: Math.min(lowerTick, upperTick),
    amount: new BN(new Decimal(inputAmount || "0").mul(10 ** poolInfo.mintA.decimals).toFixed(0)),
    add: true,
    amountHasFee: true,
    epochInfo,
  });

  const { execute, extInfo } = await raydium.clmm.openPositionFromBase({
    poolInfo,
    poolKeys,
    tickUpper: Math.max(lowerTick, upperTick),
    tickLower: Math.min(lowerTick, upperTick),
    base: "MintA",
    ownerInfo: { useSOLBalance: true },
    baseAmount: new BN(new Decimal(inputAmount || "0").mul(10 ** poolInfo.mintA.decimals).toFixed(0)),
    otherAmountMax: res.amountSlippageB.amount,
    txVersion,
    computeBudgetConfig: { units: 600000, microLamports: 100000 },
  });

  const { txId } = await execute({ sendAndConfirm: true });
  console.log("clmm position opened:", { txId, nft: extInfo.nftMint.toBase58() });
  process.exit();
};

createPosition();

import { CLMM_PROGRAM_ID, DEVNET_PROGRAM_ID } from "@raydium-io/raydium-sdk-v2";

const VALID_PROGRAM_IDS = new Set<string>([
  CLMM_PROGRAM_ID.toBase58(),
  DEVNET_PROGRAM_ID.CLMM_PROGRAM_ID.toBase58(),
]);

export const isValidClmm = (programId: string) => VALID_PROGRAM_IDS.has(programId);