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CPMM Swap Issue: Automatically Create Associated Token Account During Swap #107

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@cyan-inkk

Description

@cyan-inkk
import {
  CurveCalculator,
  Raydium,
  TxVersion,
} from "@raydium-io/raydium-sdk-v2";
import { Connection, PublicKey } from "@solana/web3.js";
import { BN } from "bn.js";

const connection = new Connection(
  "<SOLANA_RPC_API",
  {
    commitment: "confirmed",
  }
);

const owner = new PublicKey("<SOLANA_PUBLIC_KEY>");

const raydium = await Raydium.load({
  connection,
  owner,
});

interface SwapParams {
  poolId: string;
  from: string;
  amount: string;
}

export async function getCpmmSwapTx({ poolId, from, amount }: SwapParams) {
  const { poolInfo, rpcData } = await raydium.cpmm.getPoolInfoFromRpc(poolId);
  const { baseReserve, quoteReserve, configInfo } = rpcData;
  const baseIn = from === poolInfo.mintA.address;
  const amountBN = new BN(amount);

  const swapResult = CurveCalculator.swap(
    amountBN,
    baseIn ? baseReserve : quoteReserve,
    baseIn ? quoteReserve : baseReserve,
    configInfo.tradeFeeRate
  );

  const { transaction } = await raydium.cpmm.swap({
    poolInfo,
    baseIn,
    swapResult,
    inputAmount: amountBN,
    txVersion: TxVersion.V0,
    slippage: 0.01,
    config: {
      associatedOnly: false,
      checkCreateATAOwner: true,
    },
  });

  return transaction;
}

Caught error when rayidum.cpmm.swap:

Error: ["user do not have token account",{"mintA":"WSOL","mintB":"TRUMP","mintATokenAcc":"2rkZ45PrZgYVjNr8Sau5eBvnyargmc3pyEidrfW9fno7","mintAUseSOLBalance":true,"mintBUseSOLBalance":false,"associatedOnly":true}]

I don’t want to execute a separate transaction to create the associated account. I hope it can be automatically created during the swap execution.
Is it possible to achieve it? If so, how should it be implemented?

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