import { TransactionInstruction, PublicKey, AccountMeta } from '@solana/web3.js'; // eslint-disable-line @typescript-eslint/no-unused-vars
import BN from 'bn.js'; // eslint-disable-line @typescript-eslint/no-unused-vars
import * as borsh from '@project-serum/borsh'; // eslint-disable-line @typescript-eslint/no-unused-vars
import * as types from '../types'; // eslint-disable-line @typescript-eslint/no-unused-vars
import { WHIRLPOOL_PROGRAM_ID } from '../programId';

export interface SetFeeAuthorityAccounts {
  whirlpoolsConfig: PublicKey;
  feeAuthority: PublicKey;
  newFeeAuthority: PublicKey;
}

export function setFeeAuthority(accounts: SetFeeAuthorityAccounts) {
  const keys: Array<AccountMeta> = [
    { pubkey: accounts.whirlpoolsConfig, isSigner: false, isWritable: true },
    { pubkey: accounts.feeAuthority, isSigner: true, isWritable: false },
    { pubkey: accounts.newFeeAuthority, isSigner: false, isWritable: false },
  ];
  const identifier = Buffer.from([31, 1, 50, 87, 237, 101, 97, 132]);
  const data = identifier;
  const ix = new TransactionInstruction({ keys, programId: WHIRLPOOL_PROGRAM_ID, data });
  return ix;
}