CPMM 코드 데모

npm install @raydium-io/raydium-sdk-v2 @solana/web3.js @solana/spl-token bn.js decimal.js

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

const connection = new Connection(process.env.RPC_URL ?? clusterApiUrl("mainnet-beta"));
const owner = Keypair.fromSecretKey(
  new Uint8Array(JSON.parse(fs.readFileSync(process.env.KEYPAIR!, "utf8"))),
);

const raydium = await Raydium.load({
  owner,
  connection,
  cluster: "mainnet",
  disableFeatureCheck: true,
  blockhashCommitment: "finalized",
});

import { PublicKey } from "@solana/web3.js";
import BN from "bn.js";
import { getCpmmPdas, CREATE_CPMM_POOL_PROGRAM, CREATE_CPMM_POOL_FEE_ACC }
  from "@raydium-io/raydium-sdk-v2";

const mintA = new PublicKey("So11111111111111111111111111111111111111112"); // wSOL
const mintB = new PublicKey("EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"); // USDC

// 1. 수수료 설정을 선택합니다. index=0은 0.25% 티어입니다.
const feeConfigs = await raydium.api.getCpmmConfigs();
const feeConfig  = feeConfigs.find((c) => c.index === 0)!;

// 2. 민트 메타데이터를 가져와 SDK가 Token-2022 확장을 처리할 수 있도록 합니다.
const mintAInfo = await raydium.token.getTokenInfo(mintA);
const mintBInfo = await raydium.token.getTokenInfo(mintB);

// 3. 트랜잭션을 구성합니다.
const { execute, extInfo } = await raydium.cpmm.createPool({
  programId:       CREATE_CPMM_POOL_PROGRAM,
  poolFeeAccount:  CREATE_CPMM_POOL_FEE_ACC,
  mintA:           mintAInfo,
  mintB:           mintBInfo,
  mintAAmount:     new BN(1_000_000_000),   // 1 SOL (9자리 소수점 가정)
  mintBAmount:     new BN(   160_000_000),  // 160 USDC (SOL당 160)
  startTime:       new BN(0),               // 즉시 개시
  feeConfig,
  associatedOnly:  false,
  ownerInfo:       { useSOLBalance: true },
  txVersion:       TxVersion.V0,
});

const { txId } = await execute({ sendAndConfirm: true });
console.log("Pool created at", extInfo.address.poolId.toBase58());
console.log("Tx:", txId);

const { poolKeys, poolInfo, rpcData } = await raydium.cpmm.getPoolInfoFromRpc(
  extInfo.address.poolId,
);

import { CurveCalculator } from "@raydium-io/raydium-sdk-v2";

const poolId = new PublicKey("<POOL_ID>");

// 1. RPC에서 직접 현재 풀 상태를 로드합니다 (API에서 아님).
const { poolInfo, poolKeys, rpcData } = await raydium.cpmm.getPoolInfoFromRpc(poolId);

const inputMint  = new PublicKey(poolInfo.mintA.address); // A → B 스왑
const amountIn   = new BN(100_000_000);                   // 0.1 SOL
const slippage   = 0.005;                                 // 0.5%

// 2. 로컬에서 견적을 받습니다. SDK의 CurveCalculator는 온체인 수학을 반영하며,
//    양쪽의 Token-2022 전송 수수료를 포함합니다.
const baseIn = inputMint.equals(new PublicKey(poolInfo.mintA.address));
const swapResult = CurveCalculator.swap(
  amountIn,
  baseIn ? rpcData.baseReserve : rpcData.quoteReserve,
  baseIn ? rpcData.quoteReserve : rpcData.baseReserve,
  rpcData.configInfo!.tradeFeeRate,
);
const minimumAmountOut =
  swapResult.destinationAmountSwapped.muln(1 - slippage * 100).divn(100);

// 3. 구성 및 전송합니다.
const { execute } = await raydium.cpmm.swap({
  poolInfo,
  poolKeys,
  inputAmount: amountIn,
  swapResult,
  slippage,
  baseIn,
  txVersion: TxVersion.V0,
});

const { txId } = await execute({ sendAndConfirm: true });
console.log("Swap tx:", txId);

const amountOutWanted = new BN(15_000_000);        // 15 USDC
const slippage        = 0.005;

const baseIn = false; // B가 입력, A가 출력? 방향에 따라 다름
const swapResult = CurveCalculator.swapBaseOutput(
  amountOutWanted,
  rpcData.baseReserve,
  rpcData.quoteReserve,
  rpcData.configInfo!.tradeFeeRate,
);
const maxAmountIn = swapResult.sourceAmountSwapped.muln(1 + slippage * 100).divn(100);

const { execute } = await raydium.cpmm.swap({
  poolInfo,
  poolKeys,
  inputAmount: maxAmountIn,
  fixedOut:    true,
  amountOut:   amountOutWanted,
  baseIn,
  slippage,
  txVersion:   TxVersion.V0,
});

await execute({ sendAndConfirm: true });

const lpAmount = new BN(100_000);           // 원하는 LP 민트 양
const slippage = 0.01;

const { execute } = await raydium.cpmm.addLiquidity({
  poolInfo,
  poolKeys,
  lpAmount,
  slippage,
  baseIn: true,           // mintA 측에서 견적
  txVersion: TxVersion.V0,
});

await execute({ sendAndConfirm: true });

const lpAmount = new BN(100_000);           // 소각할 LP
const slippage = 0.01;

const { execute } = await raydium.cpmm.withdrawLiquidity({
  poolInfo,
  poolKeys,
  lpAmount,
  slippage,
  txVersion: TxVersion.V0,
});

await execute({ sendAndConfirm: true });

import {
  makeCollectProtocolFeeInstruction,
  makeCollectFundFeeInstruction,
  makeCollectCreatorFeeInstruction,
} from "@raydium-io/raydium-sdk-v2";

// PDA와 권한은 풀 생성 시 설정되었습니다. [`reference/program-addresses`](/ko/reference/program-addresses)에서
// 정규 시드를 참조하세요. SDK는 선호하는 경우 헬퍼를 노출합니다.

const pool = await raydium.cpmm.getRpcPoolInfo(poolId);
console.log("Accrued protocol fee token0:", pool.protocolFeesToken0.toString());
console.log("Accrued protocol fee token1:", pool.protocolFeesToken1.toString());

// Cargo.toml
// raydium-cp-swap = { git = "https://github.com/raydium-io/raydium-cp-swap" }
// anchor-spl       = "0.30"

use anchor_lang::prelude::*;
use anchor_spl::token_interface::{TokenAccount, TokenInterface, Mint};
use raydium_cp_swap::cpi::accounts::Swap;
use raydium_cp_swap::cpi;
use raydium_cp_swap::program::RaydiumCpSwap;

#[derive(Accounts)]
pub struct ProxySwap<'info> {
    #[account(mut)]
    pub payer: Signer<'info>,

    /// CHECK: CPMM 프로그램에서 검증됨
    pub authority:     UncheckedAccount<'info>,
    /// CHECK:
    pub amm_config:    UncheckedAccount<'info>,
    #[account(mut)]
    /// CHECK:
    pub pool_state:    UncheckedAccount<'info>,

    #[account(mut)]
    pub input_token_account:  InterfaceAccount<'info, TokenAccount>,
    #[account(mut)]
    pub output_token_account: InterfaceAccount<'info, TokenAccount>,

    #[account(mut)]
    pub input_vault:  InterfaceAccount<'info, TokenAccount>,
    #[account(mut)]
    pub output_vault: InterfaceAccount<'info, TokenAccount>,

    pub input_token_program:  Interface<'info, TokenInterface>,
    pub output_token_program: Interface<'info, TokenInterface>,

    pub input_token_mint:  InterfaceAccount<'info, Mint>,
    pub output_token_mint: InterfaceAccount<'info, Mint>,

    #[account(mut)]
    /// CHECK: 링 버퍼
    pub observation_state: UncheckedAccount<'info>,

    pub cpmm_program: Program<'info, RaydiumCpSwap>,
}

pub fn proxy_swap_base_input(
    ctx: Context<ProxySwap>,
    amount_in: u64,
    minimum_amount_out: u64,
) -> Result<()> {
    let cpi_accounts = Swap {
        payer:                ctx.accounts.payer.to_account_info(),
        authority:            ctx.accounts.authority.to_account_info(),
        amm_config:           ctx.accounts.amm_config.to_account_info(),
        pool_state:           ctx.accounts.pool_state.to_account_info(),
        input_token_account:  ctx.accounts.input_token_account.to_account_info(),
        output_token_account: ctx.accounts.output_token_account.to_account_info(),
        input_vault:          ctx.accounts.input_vault.to_account_info(),
        output_vault:         ctx.accounts.output_vault.to_account_info(),
        input_token_program:  ctx.accounts.input_token_program.to_account_info(),
        output_token_program: ctx.accounts.output_token_program.to_account_info(),
        input_token_mint:     ctx.accounts.input_token_mint.to_account_info(),
        output_token_mint:    ctx.accounts.output_token_mint.to_account_info(),
        observation_state:    ctx.accounts.observation_state.to_account_info(),
    };
    let cpi_ctx = CpiContext::new(
        ctx.accounts.cpmm_program.to_account_info(),
        cpi_accounts,
    );
    cpi::swap_base_input(cpi_ctx, amount_in, minimum_amount_out)
}