PDA와 CPI

import { PublicKey } from "@solana/web3.js";

const [poolAuthority, bump] = PublicKey.findProgramAddressSync(
  [Buffer.from("authority"), poolId.toBuffer()],
  CPMM_PROGRAM_ID,
);

// CPMM의 실제 필드, AccountLoader를 통해 로드된 zero-copy PoolState:
#[account(zero_copy(unsafe))]
#[repr(C, packed)]
pub struct PoolState {
    pub auth_bump: u8,
    // ... 나머지 풀 상태
}

// 풀 권한자의 시드
let authority_seeds: &[&[u8]] = &[
    b"vault_and_lp_mint_auth_seed",
    &[authority_bump],
];
let signer_seeds: &[&[&[u8]]] = &[authority_seeds];

// CPI 컨텍스트 구성
let cpi_accounts = Transfer {
    from:      input_vault.to_account_info(),
    to:        user_ata.to_account_info(),
    authority: pool_authority.to_account_info(),
};
// Anchor 1.0은 여기서 프로그램의 Pubkey를 사용합니다. AccountInfo 형태는 0.3x만 해당합니다.
let cpi_ctx = CpiContext::new_with_signer(token_program.key(), cpi_accounts, signer_seeds);

// 실행
token::transfer(cpi_ctx, amount)?;

// 크레이트는 `raydium-cp-swap`입니다. 라이브러리 이름 — 그리고 `use` 경로 — 는
// `raydium_cp_swap`입니다. `raydium_cpmm`은 없습니다.
use raydium_cp_swap::cpi::{self, accounts::Swap};

let cpi_accounts = Swap {
    payer:                order.to_account_info(),      // PDA, 서명할 것
    authority:            pool_authority_info,
    amm_config:           amm_config_info,
    pool_state:           pool_info,
    input_token_account:  order_input_ata,
    output_token_account: order_output_ata,
    input_vault:          input_vault_info,
    output_vault:         output_vault_info,
    input_token_program:  input_token_program_info,
    output_token_program: output_token_program_info,
    input_token_mint:     input_mint_info,
    output_token_mint:    output_mint_info,
    observation_state:    observation_info,
};

let seeds = &[b"order", user.key.as_ref(), &[order.bump]];
let cpi_ctx = CpiContext::new_with_signer(
    cpmm_program.key(),     // Anchor 1.0: AccountInfo가 아닌 Pubkey
    cpi_accounts,
    &[seeds],
);

cpi::swap_base_input(cpi_ctx, amount_in, min_out)?;

const swapIx = await raydium.cpmm.swap({
  /* ... */
  // SDK가 남은 계정을 자동으로 처리합니다
});

pub struct Swap<'info> {
    // ... 고정 계정
    // 그리고 ctx.remaining_accounts를 통해 전달된 남은 계정
}

// 남은 계정을 CPI로 전달
cpi::swap_base_input(
    cpi_ctx.with_remaining_accounts(ctx.remaining_accounts.to_vec()),
    amount_in,
    min_out,
)?;

import { PublicKey } from "@solana/web3.js";

const CPMM_PROGRAM_ID = new PublicKey("CPMMoo8L3F4NbTegBCKVNunggL7H1ZpdTHKxQB5qKP1C");

function computeCpmmPdas(ammConfig, mintA, mintB) {
  const [poolState, poolBump] = PublicKey.findProgramAddressSync(
    [
      Buffer.from("pool"),
      ammConfig.toBuffer(),
      mintA.toBuffer(),
      mintB.toBuffer(),
    ],
    CPMM_PROGRAM_ID,
  );

  const [authority] = PublicKey.findProgramAddressSync(
    [Buffer.from("vault_and_lp_mint_auth_seed")],
    CPMM_PROGRAM_ID,
  );

  const [vaultA] = PublicKey.findProgramAddressSync(
    [Buffer.from("pool_vault"), poolState.toBuffer(), mintA.toBuffer()],
    CPMM_PROGRAM_ID,
  );

  const [vaultB] = PublicKey.findProgramAddressSync(
    [Buffer.from("pool_vault"), poolState.toBuffer(), mintB.toBuffer()],
    CPMM_PROGRAM_ID,
  );

  const [observation] = PublicKey.findProgramAddressSync(
    [Buffer.from("observation"), poolState.toBuffer()],
    CPMM_PROGRAM_ID,
  );

  return { poolState, authority, vaultA, vaultB, observation, poolBump };
}