Untitled

```async function unlist(req, res) {
  try {
    const transactionsToSend = [];

    for (transaction of req.body.unlist_transactions) {
      transactionsToSend.push(base64Decode(transaction));
    }
    const appId = algosdk.decodeSignedTransaction(transactionsToSend[0]).txn.appIndex ||
      algosdk.decodeSignedTransaction(transactionsToSend[1]).txn.appIndex;

    const nftId = algosdk.decodeSignedTransaction(transactionsToSend[1]).txn.appForeignAssets[0];
    const seller = algosdk.encodeAddress(algosdk.decodeSignedTransaction(transactionsToSend[1]).txn.from.publicKey);

    const offers = await getListingOffers(appId);

    const removeOfferRequests = [];

    for (const offer of offers) {
      removeOfferRequests.push(removeOfferFromAddress(offer.buyer, appId));
    }

    await Promise.all(removeOfferRequests)
        .catch((e) => {
          console.log(e);
          return res.sendStatus(500);
        });

    const unlistTransactions = await algodClient.sendRawTransaction(transactionsToSend).do();
    await algosdk.waitForConfirmation(algodClient, unlistTransactions.txId, 10);

    await pgClient.query('DELETE FROM listings WHERE app_id = $1', [appId]);

    await pgClient.query('INSERT INTO activity (nft_id, date, type, seller) VALUES ($1, $2, $3, $4)',
        [
          nftId,
          new Date().toISOString(),
          'Unlist',
          seller,
        ]);

    deleteApp(appId);

    return res.sendStatus(200);
  } catch (e) {
    console.error(e);
    return res.sendStatus(500);
  }
}```async function unlist(req, res) {
  try {
    const transactionsToSend = [];

    for (transaction of req.body.unlist_transactions) {
      transactionsToSend.push(base64Decode(transaction));
    }
    const appId = algosdk.decodeSignedTransaction(transactionsToSend[0]).txn.appIndex ||
      algosdk.decodeSignedTransaction(transactionsToSend[1]).txn.appIndex;

    const nftId = algosdk.decodeSignedTransaction(transactionsToSend[1]).txn.appForeignAssets[0];
    const seller = algosdk.encodeAddress(algosdk.decodeSignedTransaction(transactionsToSend[1]).txn.from.publicKey);

    const offers = await getListingOffers(appId);

    const removeOfferRequests = [];

    for (const offer of offers) {
      removeOfferRequests.push(removeOfferFromAddress(offer.buyer, appId));
    }

    await Promise.all(removeOfferRequests)
        .catch((e) => {
          console.log(e);
          return res.sendStatus(500);
        });

    const unlistTransactions = await algodClient.sendRawTransaction(transactionsToSend).do();
    await algosdk.waitForConfirmation(algodClient, unlistTransactions.txId, 10);

    await pgClient.query('DELETE FROM listings WHERE app_id = $1', [appId]);

    await pgClient.query('INSERT INTO activity (nft_id, date, type, seller) VALUES ($1, $2, $3, $4)',
        [
          nftId,
          new Date().toISOString(),
          'Unlist',
          seller,
        ]);

    deleteApp(appId);

    return res.sendStatus(200);
  } catch (e) {
    console.error(e);
    return res.sendStatus(500);
  }
}