啟動代幣（LaunchLab）

price(s) = a * s^2 + b * s + c

price = virtual_quote_reserve / virtual_base_reserve

import {
  Raydium,
  TxVersion,
  LAUNCHPAD_PROGRAM,
  LaunchpadConfig,
  getPdaLaunchpadConfigId,
} from "@raydium-io/raydium-sdk-v2";
import { Keypair, PublicKey } from "@solana/web3.js";
import { NATIVE_MINT } from "@solana/spl-token";
import BN from "bn.js";

const raydium = await Raydium.load({ connection, owner, cluster: "mainnet" });
const programId = LAUNCHPAD_PROGRAM;

// 你生成基礎鑄造的密鑰對並用它簽署。
const pair  = Keypair.generate();
const mintA = pair.publicKey;

// 綁定一個設定：(報價幣種, curve_type, 索引)。這是固定曲線
// 形狀、報價幣種和籌資目標的方式。
const configId   = getPdaLaunchpadConfigId(programId, NATIVE_MINT, 0, 0).publicKey;
const configData = await raydium.connection.getAccountInfo(configId);
const configInfo = LaunchpadConfig.decode(configData!.data);
const mintBInfo  = await raydium.token.getTokenInfo(configInfo.mintB);

const { execute, extInfo } = await raydium.launchpad.createLaunchpad({
  programId,
  mintA,
  decimals: 6,
  name:   "My New Token",
  symbol: "MYNEW",                    // 10 個字元或更少
  uri:    "https://example.com/metadata.json",
  migrateType: "amm",                 // "amm" | "cpmm"

  configId,
  configInfo,
  mintBDecimals: mintBInfo.decimals,
  mintBProgram:  new PublicKey(mintBInfo.programId),

  createOnly: true,                   // true = 建立鑄造而不進行首次購買
  buyAmount:  new BN(1000),
  slippage:   new BN(100),            // 100 = 1%

  extraSigners: [pair],               // 基礎鑄造密鑰對必須簽署
  txVersion: TxVersion.V0,
  computeBudgetConfig: { units: 400_000, microLamports: 50_000 },
});

// createLaunchpad 返回多筆交易 - 按順序運行。
const { txIds } = await execute({ sequentially: true });
console.log("Pool ID:", extInfo.address.poolId.toBase58());
console.log("Base mint:", mintA.toBase58());

// 鑄造級別資訊，按基礎鑄造鍵入（批次用逗號分隔）。
const r = await fetch(
  `https://launch-mint-v1.raydium.io/get/by/mints?ids=${mintA.toBase58()}`,
).then((r) => r.json());
console.log(r.data.rows[0]);

// 也可用：同一主機上的 /main/configs（設定列表），以及
// https://launch-history-v1.raydium.io/kline 和 /trade 用於價格和成交。

import { getPdaLaunchpadPoolId, Curve } from "@raydium-io/raydium-sdk-v2";

const poolId = getPdaLaunchpadPoolId(programId, mintA, NATIVE_MINT).publicKey;
const poolInfo = await raydium.launchpad.getRpcPoolInfo({ poolId });

console.log({
  status:      poolInfo.status,
  baseSold:    poolInfo.realA.toString(),
  totalSellA:  poolInfo.totalSellA.toString(),
  quoteRaised: poolInfo.realB.toString(),
  raiseTarget: poolInfo.totalFundRaisingB.toString(),
});

finishRate = (currentPrice − initPrice) / (endPrice − initPrice)   // 限制為 1

const before = (await raydium.launchpad.getRpcPoolInfo({ poolId })).status;

setInterval(async () => {
  const p = await raydium.launchpad.getRpcPoolInfo({ poolId });
  if (p.status !== before) console.log("migrated - switch to the CPMM pool page");
}, 10_000);

const pool = await raydium.cpmm.getPoolInfoFromRpc({ poolId: cpmmPoolId });
console.log("CPMM price:", pool.poolInfo.price);
console.log("CPMM TVL:  ", pool.poolInfo.tvl);

import { NATIVE_MINT } from "@solana/spl-token";

await raydium.launchpad.claimCreatorFee({
  programId,
  mintB: NATIVE_MINT,      // 要在其中聲稱的報價幣種
  txVersion: TxVersion.V0,
});