CPMM code demos

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 { CREATE_CPMM_POOL_PROGRAM, CREATE_CPMM_POOL_FEE_ACC }
  from "@raydium-io/raydium-sdk-v2";
// (If you need every pool PDA at once, the exported helper is `getCreatePoolKeys`.
//  There is no `getCpmmPdas`.)

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

// 1. Pick a fee config. index=0 is the 0.25% tier.
const feeConfigs = await raydium.api.getCpmmConfigs();
const feeConfig  = feeConfigs.find((c) => c.index === 0)!;

// 2. Pull mint metadata so the SDK can handle Token-2022 extensions.
const mintAInfo = await raydium.token.getTokenInfo(mintA);
const mintBInfo = await raydium.token.getTokenInfo(mintB);

// 3. Build the transaction.
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 (assuming 9 decimals)
  mintBAmount:     new BN(   160_000_000),  // 160 USDC (at 160/SOL)
  startTime:       new BN(0),               // open immediately
  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);

// getPoolInfoFromRpc takes a positional base58 string, not a PublicKey and not an object.
const { poolKeys, poolInfo, rpcData } = await raydium.cpmm.getPoolInfoFromRpc(
  extInfo.address.poolId.toBase58(),
);

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

const POOL_ID = "<POOL_ID>";   // base58 string

// 1. Load current pool state directly from an RPC (not from the API).
const { poolInfo, poolKeys, rpcData } = await raydium.cpmm.getPoolInfoFromRpc(POOL_ID);

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

// 2. Quote locally. CurveCalculator mirrors on-chain math, including
//    Token-2022 transfer fees on either side. All eight arguments are required.
const baseIn = inputMint === poolInfo.mintA.address;
const swapResult = CurveCalculator.swapBaseInput(
  amountIn,
  baseIn ? rpcData.baseReserve : rpcData.quoteReserve,
  baseIn ? rpcData.quoteReserve : rpcData.baseReserve,
  rpcData.configInfo!.tradeFeeRate,
  rpcData.configInfo!.creatorFeeRate,
  rpcData.configInfo!.protocolFeeRate,
  rpcData.configInfo!.fundFeeRate,
  rpcData.feeOn === FeeOn.BothToken || rpcData.feeOn === FeeOn.OnlyTokenB,
);
// swapResult fields are inputAmount / outputAmount / tradeFee / protocolFee /
// fundFee / creatorFee / newInputVaultAmount / newOutputVaultAmount.
// There is no destinationAmountSwapped or sourceAmountSwapped.

// 3. Build and send. Passing `slippage` here is what applies the bound —
//    no manual minimum-out arithmetic is needed.
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; // false → mintB is the input side
const swapResult = CurveCalculator.swapBaseOutput(
  amountOutWanted,
  baseIn ? rpcData.baseReserve : rpcData.quoteReserve,
  baseIn ? rpcData.quoteReserve : rpcData.baseReserve,
  rpcData.configInfo!.tradeFeeRate,
  rpcData.configInfo!.creatorFeeRate,
  rpcData.configInfo!.protocolFeeRate,
  rpcData.configInfo!.fundFeeRate,
  rpcData.feeOn === FeeOn.BothToken || rpcData.feeOn === FeeOn.OnlyTokenB,
);
// swapResult.inputAmount is the required input; there is no sourceAmountSwapped.

const { execute } = await raydium.cpmm.swap({
  poolInfo,
  poolKeys,
  inputAmount: new BN(0),   // unused when fixedOut — the amount comes from swapResult
  fixedOut:    true,
  swapResult,               // required, and it carries the target output amount
  baseIn,
  slippage,
  txVersion:   TxVersion.V0,
});

await execute({ sendAndConfirm: true });

import { Percent } from "@raydium-io/raydium-sdk-v2";
import Decimal from "decimal.js";

// addLiquidity is driven by an INPUT amount, not an LP amount.
const uiInputAmount = "0.0001";
const inputAmount = new BN(
  new Decimal(uiInputAmount).mul(10 ** poolInfo.mintA.decimals).toFixed(0),
);
const slippage = new Percent(1, 100);   // a Percent, not a number

const { execute } = await raydium.cpmm.addLiquidity({
  poolInfo,
  poolKeys,
  inputAmount,
  baseIn: true,           // inputAmount is denominated in mintA
  slippage,
  txVersion: TxVersion.V0,
});

await execute({ sendAndConfirm: true });

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

const lpAmount = new BN(100_000);           // LP to burn
const slippage = new Percent(1, 100);       // a Percent, not a number

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

await execute({ sendAndConfirm: true });

// creator-signed
const { execute } = await raydium.cpmm.collectCreatorFees({
  poolInfo,
  poolKeys,
  txVersion: TxVersion.V0,
});

// permissionless — any payer; proceeds go to the creator's canonical ATAs
const { execute } = await raydium.cpmm.collectCreatorFeesPermissionless({
  poolInfo,
  poolKeys,
  txVersion: TxVersion.V0,
});

// several pools at once, creator-signed
await raydium.cpmm.collectMultiCreatorFees({ poolInfoList, txVersion: TxVersion.V0 });

const pool = await raydium.cpmm.getRpcPoolInfo(POOL_ID);   // base58 string
console.log("Accrued protocol fee mintA:", pool.protocolFeesMintA.toString());
console.log("Accrued protocol fee mintB:", pool.protocolFeesMintB.toString());
// The CpmmPoolInfoLayout fields are protocolFeesMintA/B, fundFeesMintA/B and
// creatorFeesMintA/B — there are no ...Token0/...Token1 fields.
//
// creatorFeesMintA/B is the *gross* accrual. The creator receives it minus the
// protocol share resolved at collection time; protocolFeesMintA/B receives that
// share, so it also grows on creator-fee collections, not only on swaps.
// See products/cpmm/fees#protocol-share-of-the-creator-fee.

// Cargo.toml — the branch matters: `master` still pins anchor-lang 0.32.1.
// raydium-cp-swap = { git = "https://github.com/raydium-io/raydium-cp-swap",
//                     branch = "chore/upgrade-anchor", features = ["cpi"] }
// anchor-lang      = "=1.0.2"   // must match what raydium-cp-swap pins
// anchor-spl       = "=1.0.2"
//
// The `cpi` feature is required — the `raydium_cp_swap::cpi` module only exists
// under it. The CLMM sample in products/clmm/code-demos pins the same
// =1.0.2 on its own `chore/upgrade-anchor` branch, so the two can share a program.

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: validated by the CPMM program
    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: ring buffer
    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(),
    };
    // Anchor 1.0 takes the program's Pubkey here, not its AccountInfo.
    let cpi_ctx = CpiContext::new(
        *ctx.accounts.cpmm_program.key,
        cpi_accounts,
    );
    cpi::swap_base_input(cpi_ctx, amount_in, minimum_amount_out)
}