/**
 * This code was GENERATED using the solita package.
 * Please DO NOT EDIT THIS FILE, instead rerun solita to update it or write a wrapper to add functionality.
 *
 * See: https://github.com/metaplex-foundation/solita
 */

import * as splToken from '@solana/spl-token';
import * as beet from '@metaplex-foundation/beet';
import * as web3 from '@solana/web3.js';

/**
 * @category Instructions
 * @category RedeemShares
 * @category generated
 */
const RedeemSharesStruct = new beet.BeetArgsStruct<{ instructionDiscriminator: number }>(
  [['instructionDiscriminator', beet.u8]],
  'RedeemSharesInstructionArgs',
);
/**
 * Accounts required by the _RedeemShares_ instruction
 *
 * @property [_writable_] outstandingShares Initialized Token account containing your fractional shares
 * @property [_writable_] destination Initialized Destination token account where you wish your proceeds to arrive
 * @property [_writable_] fractionMint Fraction mint
 * @property [_writable_] redeemTreasury Redeem treasury account
 * @property [] transferAuthority PDA-based Transfer authority for the transfer of proceeds from redeem treasury to destination seed [PREFIX, program_id]
 * @property [**signer**] burnAuthority Burn authority for the burning of your shares
 * @property [] vault Combined token vault
 * @category Instructions
 * @category RedeemShares
 * @category generated
 */
export type RedeemSharesInstructionAccounts = {
  outstandingShares: web3.PublicKey;
  destination: web3.PublicKey;
  fractionMint: web3.PublicKey;
  redeemTreasury: web3.PublicKey;
  transferAuthority: web3.PublicKey;
  burnAuthority: web3.PublicKey;
  vault: web3.PublicKey;
};

const redeemSharesInstructionDiscriminator = 4;

/**
 * Creates a _RedeemShares_ instruction.
 *
 * @param accounts that will be accessed while the instruction is processed
 *
 * @category Instructions
 * @category RedeemShares
 * @category generated
 */
export function createRedeemSharesInstruction(accounts: RedeemSharesInstructionAccounts) {
  const {
    outstandingShares,
    destination,
    fractionMint,
    redeemTreasury,
    transferAuthority,
    burnAuthority,
    vault,
  } = accounts;

  const [data] = RedeemSharesStruct.serialize({
    instructionDiscriminator: redeemSharesInstructionDiscriminator,
  });
  const keys: web3.AccountMeta[] = [
    {
      pubkey: outstandingShares,
      isWritable: true,
      isSigner: false,
    },
    {
      pubkey: destination,
      isWritable: true,
      isSigner: false,
    },
    {
      pubkey: fractionMint,
      isWritable: true,
      isSigner: false,
    },
    {
      pubkey: redeemTreasury,
      isWritable: true,
      isSigner: false,
    },
    {
      pubkey: transferAuthority,
      isWritable: false,
      isSigner: false,
    },
    {
      pubkey: burnAuthority,
      isWritable: false,
      isSigner: true,
    },
    {
      pubkey: vault,
      isWritable: false,
      isSigner: false,
    },
    {
      pubkey: splToken.TOKEN_PROGRAM_ID,
      isWritable: false,
      isSigner: false,
    },
    {
      pubkey: web3.SYSVAR_RENT_PUBKEY,
      isWritable: false,
      isSigner: false,
    },
  ];

  const ix = new web3.TransactionInstruction({
    programId: new web3.PublicKey('vau1zxA2LbssAUEF7Gpw91zMM1LvXrvpzJtmZ58rPsn'),
    keys,
    data,
  });
  return ix;
}