/**
 * This code was AUTOGENERATED using the Codama library.
 * Please DO NOT EDIT THIS FILE, instead use visitors
 * to add features, then rerun Codama to update it.
 *
 * @see https://github.com/codama-idl/codama
 */

import {
  combineCodec,
  fixDecoderSize,
  fixEncoderSize,
  getBytesDecoder,
  getBytesEncoder,
  getStructDecoder,
  getStructEncoder,
  SOLANA_ERROR__PROGRAM_CLIENTS__INSUFFICIENT_ACCOUNT_METAS,
  SolanaError,
  transformEncoder,
  type AccountMeta,
  type AccountSignerMeta,
  type Address,
  type FixedSizeCodec,
  type FixedSizeDecoder,
  type FixedSizeEncoder,
  type Instruction,
  type InstructionWithAccounts,
  type InstructionWithData,
  type ReadonlyAccount,
  type ReadonlySignerAccount,
  type ReadonlyUint8Array,
  type TransactionSigner,
  type WritableAccount,
} from "@solana/kit";
import {
  getAccountMetaFactory,
  getAddressFromResolvedInstructionAccount,
  type ResolvedInstructionAccount,
} from "@solana/program-client-core";
import {
  findEventAuthorityPda,
  findPoolAuthorityPda,
  findTokenVaultPda,
} from "../pdas/index.js";
import { CP_AMM_PROGRAM_ADDRESS } from "../programs/index.js";
import {
  getSwapParameters2Decoder,
  getSwapParameters2Encoder,
  type SwapParameters2,
  type SwapParameters2Args,
} from "../types/index.js";

export const SWAP2_DISCRIMINATOR: ReadonlyUint8Array = new Uint8Array([
  65, 75, 63, 76, 235, 91, 91, 136,
]);

export function getSwap2DiscriminatorBytes(): ReadonlyUint8Array {
  return fixEncoderSize(getBytesEncoder(), 8).encode(SWAP2_DISCRIMINATOR);
}

export type Swap2Instruction<
  TProgram extends string = typeof CP_AMM_PROGRAM_ADDRESS,
  TAccountPoolAuthority extends string | AccountMeta<string> = string,
  TAccountPool extends string | AccountMeta<string> = string,
  TAccountInputTokenAccount extends string | AccountMeta<string> = string,
  TAccountOutputTokenAccount extends string | AccountMeta<string> = string,
  TAccountTokenAVault extends string | AccountMeta<string> = string,
  TAccountTokenBVault extends string | AccountMeta<string> = string,
  TAccountTokenAMint extends string | AccountMeta<string> = string,
  TAccountTokenBMint extends string | AccountMeta<string> = string,
  TAccountPayer extends string | AccountMeta<string> = string,
  TAccountTokenAProgram extends string | AccountMeta<string> =
    "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA",
  TAccountTokenBProgram extends string | AccountMeta<string> =
    "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA",
  TAccountReferralTokenAccount extends string | AccountMeta<string> = string,
  TAccountEventAuthority extends string | AccountMeta<string> = string,
  TAccountProgram extends string | AccountMeta<string> =
    "cpamdpZCGKUy5JxQXB4dcpGPiikHawvSWAd6mEn1sGG",
  TRemainingAccounts extends readonly AccountMeta<string>[] = [],
> = Instruction<TProgram> &
  InstructionWithData<ReadonlyUint8Array> &
  InstructionWithAccounts<
    [
      TAccountPoolAuthority extends string
        ? ReadonlyAccount<TAccountPoolAuthority>
        : TAccountPoolAuthority,
      TAccountPool extends string
        ? WritableAccount<TAccountPool>
        : TAccountPool,
      TAccountInputTokenAccount extends string
        ? WritableAccount<TAccountInputTokenAccount>
        : TAccountInputTokenAccount,
      TAccountOutputTokenAccount extends string
        ? WritableAccount<TAccountOutputTokenAccount>
        : TAccountOutputTokenAccount,
      TAccountTokenAVault extends string
        ? WritableAccount<TAccountTokenAVault>
        : TAccountTokenAVault,
      TAccountTokenBVault extends string
        ? WritableAccount<TAccountTokenBVault>
        : TAccountTokenBVault,
      TAccountTokenAMint extends string
        ? ReadonlyAccount<TAccountTokenAMint>
        : TAccountTokenAMint,
      TAccountTokenBMint extends string
        ? ReadonlyAccount<TAccountTokenBMint>
        : TAccountTokenBMint,
      TAccountPayer extends string
        ? ReadonlySignerAccount<TAccountPayer> &
            AccountSignerMeta<TAccountPayer>
        : TAccountPayer,
      TAccountTokenAProgram extends string
        ? ReadonlyAccount<TAccountTokenAProgram>
        : TAccountTokenAProgram,
      TAccountTokenBProgram extends string
        ? ReadonlyAccount<TAccountTokenBProgram>
        : TAccountTokenBProgram,
      TAccountReferralTokenAccount extends string
        ? WritableAccount<TAccountReferralTokenAccount>
        : TAccountReferralTokenAccount,
      TAccountEventAuthority extends string
        ? ReadonlyAccount<TAccountEventAuthority>
        : TAccountEventAuthority,
      TAccountProgram extends string
        ? ReadonlyAccount<TAccountProgram>
        : TAccountProgram,
      ...TRemainingAccounts,
    ]
  >;

export type Swap2InstructionData = {
  discriminator: ReadonlyUint8Array;
  params: SwapParameters2;
};

export type Swap2InstructionDataArgs = { params: SwapParameters2Args };

export function getSwap2InstructionDataEncoder(): FixedSizeEncoder<Swap2InstructionDataArgs> {
  return transformEncoder(
    getStructEncoder([
      ["discriminator", fixEncoderSize(getBytesEncoder(), 8)],
      ["params", getSwapParameters2Encoder()],
    ]),
    (value) => ({ ...value, discriminator: SWAP2_DISCRIMINATOR }),
  );
}

export function getSwap2InstructionDataDecoder(): FixedSizeDecoder<Swap2InstructionData> {
  return getStructDecoder([
    ["discriminator", fixDecoderSize(getBytesDecoder(), 8)],
    ["params", getSwapParameters2Decoder()],
  ]);
}

export function getSwap2InstructionDataCodec(): FixedSizeCodec<
  Swap2InstructionDataArgs,
  Swap2InstructionData
> {
  return combineCodec(
    getSwap2InstructionDataEncoder(),
    getSwap2InstructionDataDecoder(),
  );
}

export type Swap2AsyncInput<
  TAccountPoolAuthority extends string = string,
  TAccountPool extends string = string,
  TAccountInputTokenAccount extends string = string,
  TAccountOutputTokenAccount extends string = string,
  TAccountTokenAVault extends string = string,
  TAccountTokenBVault extends string = string,
  TAccountTokenAMint extends string = string,
  TAccountTokenBMint extends string = string,
  TAccountPayer extends string = string,
  TAccountTokenAProgram extends string = string,
  TAccountTokenBProgram extends string = string,
  TAccountReferralTokenAccount extends string = string,
  TAccountEventAuthority extends string = string,
  TAccountProgram extends string = string,
> = {
  poolAuthority?: Address<TAccountPoolAuthority>;
  /** Pool account */
  pool: Address<TAccountPool>;
  /** The user token account for input token */
  inputTokenAccount: Address<TAccountInputTokenAccount>;
  /** The user token account for output token */
  outputTokenAccount: Address<TAccountOutputTokenAccount>;
  /** The vault token account for input token */
  tokenAVault?: Address<TAccountTokenAVault>;
  /** The vault token account for output token */
  tokenBVault?: Address<TAccountTokenBVault>;
  /** The mint of token a */
  tokenAMint: Address<TAccountTokenAMint>;
  /** The mint of token b */
  tokenBMint: Address<TAccountTokenBMint>;
  /** The user performing the swap */
  payer: TransactionSigner<TAccountPayer>;
  /** Token a program */
  tokenAProgram?: Address<TAccountTokenAProgram>;
  /** Token b program */
  tokenBProgram?: Address<TAccountTokenBProgram>;
  /** referral token account */
  referralTokenAccount?: Address<TAccountReferralTokenAccount>;
  eventAuthority?: Address<TAccountEventAuthority>;
  program?: Address<TAccountProgram>;
  params: Swap2InstructionDataArgs["params"];
};

export async function getSwap2InstructionAsync<
  TAccountPoolAuthority extends string,
  TAccountPool extends string,
  TAccountInputTokenAccount extends string,
  TAccountOutputTokenAccount extends string,
  TAccountTokenAVault extends string,
  TAccountTokenBVault extends string,
  TAccountTokenAMint extends string,
  TAccountTokenBMint extends string,
  TAccountPayer extends string,
  TAccountTokenAProgram extends string,
  TAccountTokenBProgram extends string,
  TAccountReferralTokenAccount extends string,
  TAccountEventAuthority extends string,
  TAccountProgram extends string,
  TProgramAddress extends Address = typeof CP_AMM_PROGRAM_ADDRESS,
>(
  input: Swap2AsyncInput<
    TAccountPoolAuthority,
    TAccountPool,
    TAccountInputTokenAccount,
    TAccountOutputTokenAccount,
    TAccountTokenAVault,
    TAccountTokenBVault,
    TAccountTokenAMint,
    TAccountTokenBMint,
    TAccountPayer,
    TAccountTokenAProgram,
    TAccountTokenBProgram,
    TAccountReferralTokenAccount,
    TAccountEventAuthority,
    TAccountProgram
  >,
  config?: { programAddress?: TProgramAddress },
): Promise<
  Swap2Instruction<
    TProgramAddress,
    TAccountPoolAuthority,
    TAccountPool,
    TAccountInputTokenAccount,
    TAccountOutputTokenAccount,
    TAccountTokenAVault,
    TAccountTokenBVault,
    TAccountTokenAMint,
    TAccountTokenBMint,
    TAccountPayer,
    TAccountTokenAProgram,
    TAccountTokenBProgram,
    TAccountReferralTokenAccount,
    TAccountEventAuthority,
    TAccountProgram
  >
> {
  // Program address.
  const programAddress = config?.programAddress ?? CP_AMM_PROGRAM_ADDRESS;

  // Original accounts.
  const originalAccounts = {
    poolAuthority: { value: input.poolAuthority ?? null, isWritable: false },
    pool: { value: input.pool ?? null, isWritable: true },
    inputTokenAccount: {
      value: input.inputTokenAccount ?? null,
      isWritable: true,
    },
    outputTokenAccount: {
      value: input.outputTokenAccount ?? null,
      isWritable: true,
    },
    tokenAVault: { value: input.tokenAVault ?? null, isWritable: true },
    tokenBVault: { value: input.tokenBVault ?? null, isWritable: true },
    tokenAMint: { value: input.tokenAMint ?? null, isWritable: false },
    tokenBMint: { value: input.tokenBMint ?? null, isWritable: false },
    payer: { value: input.payer ?? null, isWritable: false },
    tokenAProgram: { value: input.tokenAProgram ?? null, isWritable: false },
    tokenBProgram: { value: input.tokenBProgram ?? null, isWritable: false },
    referralTokenAccount: {
      value: input.referralTokenAccount ?? null,
      isWritable: true,
    },
    eventAuthority: { value: input.eventAuthority ?? null, isWritable: false },
    program: { value: input.program ?? null, isWritable: false },
  };
  const accounts = originalAccounts as Record<
    keyof typeof originalAccounts,
    ResolvedInstructionAccount
  >;

  // Original args.
  const args = { ...input };

  // Resolve default values.
  if (!accounts.poolAuthority.value) {
    accounts.poolAuthority.value = await findPoolAuthorityPda();
  }
  if (!accounts.tokenAVault.value) {
    accounts.tokenAVault.value = await findTokenVaultPda({
      tokenMint: getAddressFromResolvedInstructionAccount(
        "tokenAMint",
        accounts.tokenAMint.value,
      ),
      pool: getAddressFromResolvedInstructionAccount(
        "pool",
        accounts.pool.value,
      ),
    });
  }
  if (!accounts.tokenBVault.value) {
    accounts.tokenBVault.value = await findTokenVaultPda({
      tokenMint: getAddressFromResolvedInstructionAccount(
        "tokenBMint",
        accounts.tokenBMint.value,
      ),
      pool: getAddressFromResolvedInstructionAccount(
        "pool",
        accounts.pool.value,
      ),
    });
  }
  if (!accounts.tokenAProgram.value) {
    accounts.tokenAProgram.value =
      "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA" as Address<"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA">;
  }
  if (!accounts.tokenBProgram.value) {
    accounts.tokenBProgram.value =
      "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA" as Address<"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA">;
  }
  if (!accounts.eventAuthority.value) {
    accounts.eventAuthority.value = await findEventAuthorityPda();
  }
  if (!accounts.program.value) {
    accounts.program.value =
      "cpamdpZCGKUy5JxQXB4dcpGPiikHawvSWAd6mEn1sGG" as Address<"cpamdpZCGKUy5JxQXB4dcpGPiikHawvSWAd6mEn1sGG">;
  }

  const getAccountMeta = getAccountMetaFactory(programAddress, "programId");
  return Object.freeze({
    accounts: [
      getAccountMeta("poolAuthority", accounts.poolAuthority),
      getAccountMeta("pool", accounts.pool),
      getAccountMeta("inputTokenAccount", accounts.inputTokenAccount),
      getAccountMeta("outputTokenAccount", accounts.outputTokenAccount),
      getAccountMeta("tokenAVault", accounts.tokenAVault),
      getAccountMeta("tokenBVault", accounts.tokenBVault),
      getAccountMeta("tokenAMint", accounts.tokenAMint),
      getAccountMeta("tokenBMint", accounts.tokenBMint),
      getAccountMeta("payer", accounts.payer),
      getAccountMeta("tokenAProgram", accounts.tokenAProgram),
      getAccountMeta("tokenBProgram", accounts.tokenBProgram),
      getAccountMeta("referralTokenAccount", accounts.referralTokenAccount),
      getAccountMeta("eventAuthority", accounts.eventAuthority),
      getAccountMeta("program", accounts.program),
    ],
    data: getSwap2InstructionDataEncoder().encode(
      args as Swap2InstructionDataArgs,
    ),
    programAddress,
  } as Swap2Instruction<
    TProgramAddress,
    TAccountPoolAuthority,
    TAccountPool,
    TAccountInputTokenAccount,
    TAccountOutputTokenAccount,
    TAccountTokenAVault,
    TAccountTokenBVault,
    TAccountTokenAMint,
    TAccountTokenBMint,
    TAccountPayer,
    TAccountTokenAProgram,
    TAccountTokenBProgram,
    TAccountReferralTokenAccount,
    TAccountEventAuthority,
    TAccountProgram
  >);
}

export type Swap2Input<
  TAccountPoolAuthority extends string = string,
  TAccountPool extends string = string,
  TAccountInputTokenAccount extends string = string,
  TAccountOutputTokenAccount extends string = string,
  TAccountTokenAVault extends string = string,
  TAccountTokenBVault extends string = string,
  TAccountTokenAMint extends string = string,
  TAccountTokenBMint extends string = string,
  TAccountPayer extends string = string,
  TAccountTokenAProgram extends string = string,
  TAccountTokenBProgram extends string = string,
  TAccountReferralTokenAccount extends string = string,
  TAccountEventAuthority extends string = string,
  TAccountProgram extends string = string,
> = {
  poolAuthority: Address<TAccountPoolAuthority>;
  /** Pool account */
  pool: Address<TAccountPool>;
  /** The user token account for input token */
  inputTokenAccount: Address<TAccountInputTokenAccount>;
  /** The user token account for output token */
  outputTokenAccount: Address<TAccountOutputTokenAccount>;
  /** The vault token account for input token */
  tokenAVault: Address<TAccountTokenAVault>;
  /** The vault token account for output token */
  tokenBVault: Address<TAccountTokenBVault>;
  /** The mint of token a */
  tokenAMint: Address<TAccountTokenAMint>;
  /** The mint of token b */
  tokenBMint: Address<TAccountTokenBMint>;
  /** The user performing the swap */
  payer: TransactionSigner<TAccountPayer>;
  /** Token a program */
  tokenAProgram?: Address<TAccountTokenAProgram>;
  /** Token b program */
  tokenBProgram?: Address<TAccountTokenBProgram>;
  /** referral token account */
  referralTokenAccount?: Address<TAccountReferralTokenAccount>;
  eventAuthority: Address<TAccountEventAuthority>;
  program?: Address<TAccountProgram>;
  params: Swap2InstructionDataArgs["params"];
};

export function getSwap2Instruction<
  TAccountPoolAuthority extends string,
  TAccountPool extends string,
  TAccountInputTokenAccount extends string,
  TAccountOutputTokenAccount extends string,
  TAccountTokenAVault extends string,
  TAccountTokenBVault extends string,
  TAccountTokenAMint extends string,
  TAccountTokenBMint extends string,
  TAccountPayer extends string,
  TAccountTokenAProgram extends string,
  TAccountTokenBProgram extends string,
  TAccountReferralTokenAccount extends string,
  TAccountEventAuthority extends string,
  TAccountProgram extends string,
  TProgramAddress extends Address = typeof CP_AMM_PROGRAM_ADDRESS,
>(
  input: Swap2Input<
    TAccountPoolAuthority,
    TAccountPool,
    TAccountInputTokenAccount,
    TAccountOutputTokenAccount,
    TAccountTokenAVault,
    TAccountTokenBVault,
    TAccountTokenAMint,
    TAccountTokenBMint,
    TAccountPayer,
    TAccountTokenAProgram,
    TAccountTokenBProgram,
    TAccountReferralTokenAccount,
    TAccountEventAuthority,
    TAccountProgram
  >,
  config?: { programAddress?: TProgramAddress },
): Swap2Instruction<
  TProgramAddress,
  TAccountPoolAuthority,
  TAccountPool,
  TAccountInputTokenAccount,
  TAccountOutputTokenAccount,
  TAccountTokenAVault,
  TAccountTokenBVault,
  TAccountTokenAMint,
  TAccountTokenBMint,
  TAccountPayer,
  TAccountTokenAProgram,
  TAccountTokenBProgram,
  TAccountReferralTokenAccount,
  TAccountEventAuthority,
  TAccountProgram
> {
  // Program address.
  const programAddress = config?.programAddress ?? CP_AMM_PROGRAM_ADDRESS;

  // Original accounts.
  const originalAccounts = {
    poolAuthority: { value: input.poolAuthority ?? null, isWritable: false },
    pool: { value: input.pool ?? null, isWritable: true },
    inputTokenAccount: {
      value: input.inputTokenAccount ?? null,
      isWritable: true,
    },
    outputTokenAccount: {
      value: input.outputTokenAccount ?? null,
      isWritable: true,
    },
    tokenAVault: { value: input.tokenAVault ?? null, isWritable: true },
    tokenBVault: { value: input.tokenBVault ?? null, isWritable: true },
    tokenAMint: { value: input.tokenAMint ?? null, isWritable: false },
    tokenBMint: { value: input.tokenBMint ?? null, isWritable: false },
    payer: { value: input.payer ?? null, isWritable: false },
    tokenAProgram: { value: input.tokenAProgram ?? null, isWritable: false },
    tokenBProgram: { value: input.tokenBProgram ?? null, isWritable: false },
    referralTokenAccount: {
      value: input.referralTokenAccount ?? null,
      isWritable: true,
    },
    eventAuthority: { value: input.eventAuthority ?? null, isWritable: false },
    program: { value: input.program ?? null, isWritable: false },
  };
  const accounts = originalAccounts as Record<
    keyof typeof originalAccounts,
    ResolvedInstructionAccount
  >;

  // Original args.
  const args = { ...input };

  // Resolve default values.
  if (!accounts.tokenAProgram.value) {
    accounts.tokenAProgram.value =
      "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA" as Address<"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA">;
  }
  if (!accounts.tokenBProgram.value) {
    accounts.tokenBProgram.value =
      "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA" as Address<"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA">;
  }
  if (!accounts.program.value) {
    accounts.program.value =
      "cpamdpZCGKUy5JxQXB4dcpGPiikHawvSWAd6mEn1sGG" as Address<"cpamdpZCGKUy5JxQXB4dcpGPiikHawvSWAd6mEn1sGG">;
  }

  const getAccountMeta = getAccountMetaFactory(programAddress, "programId");
  return Object.freeze({
    accounts: [
      getAccountMeta("poolAuthority", accounts.poolAuthority),
      getAccountMeta("pool", accounts.pool),
      getAccountMeta("inputTokenAccount", accounts.inputTokenAccount),
      getAccountMeta("outputTokenAccount", accounts.outputTokenAccount),
      getAccountMeta("tokenAVault", accounts.tokenAVault),
      getAccountMeta("tokenBVault", accounts.tokenBVault),
      getAccountMeta("tokenAMint", accounts.tokenAMint),
      getAccountMeta("tokenBMint", accounts.tokenBMint),
      getAccountMeta("payer", accounts.payer),
      getAccountMeta("tokenAProgram", accounts.tokenAProgram),
      getAccountMeta("tokenBProgram", accounts.tokenBProgram),
      getAccountMeta("referralTokenAccount", accounts.referralTokenAccount),
      getAccountMeta("eventAuthority", accounts.eventAuthority),
      getAccountMeta("program", accounts.program),
    ],
    data: getSwap2InstructionDataEncoder().encode(
      args as Swap2InstructionDataArgs,
    ),
    programAddress,
  } as Swap2Instruction<
    TProgramAddress,
    TAccountPoolAuthority,
    TAccountPool,
    TAccountInputTokenAccount,
    TAccountOutputTokenAccount,
    TAccountTokenAVault,
    TAccountTokenBVault,
    TAccountTokenAMint,
    TAccountTokenBMint,
    TAccountPayer,
    TAccountTokenAProgram,
    TAccountTokenBProgram,
    TAccountReferralTokenAccount,
    TAccountEventAuthority,
    TAccountProgram
  >);
}

export type ParsedSwap2Instruction<
  TProgram extends string = typeof CP_AMM_PROGRAM_ADDRESS,
  TAccountMetas extends readonly AccountMeta[] = readonly AccountMeta[],
> = {
  programAddress: Address<TProgram>;
  accounts: {
    poolAuthority: TAccountMetas[0];
    /** Pool account */
    pool: TAccountMetas[1];
    /** The user token account for input token */
    inputTokenAccount: TAccountMetas[2];
    /** The user token account for output token */
    outputTokenAccount: TAccountMetas[3];
    /** The vault token account for input token */
    tokenAVault: TAccountMetas[4];
    /** The vault token account for output token */
    tokenBVault: TAccountMetas[5];
    /** The mint of token a */
    tokenAMint: TAccountMetas[6];
    /** The mint of token b */
    tokenBMint: TAccountMetas[7];
    /** The user performing the swap */
    payer: TAccountMetas[8];
    /** Token a program */
    tokenAProgram: TAccountMetas[9];
    /** Token b program */
    tokenBProgram: TAccountMetas[10];
    /** referral token account */
    referralTokenAccount?: TAccountMetas[11] | undefined;
    eventAuthority: TAccountMetas[12];
    program: TAccountMetas[13];
  };
  data: Swap2InstructionData;
};

export function parseSwap2Instruction<
  TProgram extends string,
  TAccountMetas extends readonly AccountMeta[],
>(
  instruction: Instruction<TProgram> &
    InstructionWithAccounts<TAccountMetas> &
    InstructionWithData<ReadonlyUint8Array>,
): ParsedSwap2Instruction<TProgram, TAccountMetas> {
  if (instruction.accounts.length < 14) {
    throw new SolanaError(
      SOLANA_ERROR__PROGRAM_CLIENTS__INSUFFICIENT_ACCOUNT_METAS,
      {
        actualAccountMetas: instruction.accounts.length,
        expectedAccountMetas: 14,
      },
    );
  }
  let accountIndex = 0;
  const getNextAccount = () => {
    const accountMeta = (instruction.accounts as TAccountMetas)[accountIndex]!;
    accountIndex += 1;
    return accountMeta;
  };
  const getNextOptionalAccount = () => {
    const accountMeta = getNextAccount();
    return accountMeta.address === CP_AMM_PROGRAM_ADDRESS
      ? undefined
      : accountMeta;
  };
  return {
    programAddress: instruction.programAddress,
    accounts: {
      poolAuthority: getNextAccount(),
      pool: getNextAccount(),
      inputTokenAccount: getNextAccount(),
      outputTokenAccount: getNextAccount(),
      tokenAVault: getNextAccount(),
      tokenBVault: getNextAccount(),
      tokenAMint: getNextAccount(),
      tokenBMint: getNextAccount(),
      payer: getNextAccount(),
      tokenAProgram: getNextAccount(),
      tokenBProgram: getNextAccount(),
      referralTokenAccount: getNextOptionalAccount(),
      eventAuthority: getNextAccount(),
      program: getNextAccount(),
    },
    data: getSwap2InstructionDataDecoder().decode(instruction.data),
  };
}