Deserialize Transactions

import { Connection, clusterApiUrl, VersionedTransaction, PublicKey } from '@solana/web3.js';

const base64Tx = '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';

const connection = new Connection(clusterApiUrl('mainnet-beta'), 'confirmed');

const analyzeVersionedTransaction = async (base64Tx) => {
    try {
        // Decode the Base64 string into a Buffer
        const serializedTx = Buffer.from(base64Tx, 'base64');

        // Deserialize the transaction as a VersionedTransaction
        const versionedTx = VersionedTransaction.deserialize(serializedTx);

        // Log transaction details
        console.log('Transaction Signatures:', versionedTx.signatures);
        console.log('Version:', versionedTx.version);

        // Inspect the message (contains accounts, instructions, etc.)
        const message = versionedTx.message;
        console.log('Number of Instructions:', message.compiledInstructions.length);

        // Log accounts involved in the transaction
        console.log('Accounts Involved:');
        const accountKeys = message.getAccountKeys();
        accountKeys.keySegments().flat().forEach((pubkey, index) => {
            console.log(`  Account ${index}: ${pubkey.toBase58()}`);
        });

        // Log instructions
        console.log('Instructions:');
        message.compiledInstructions.forEach((instruction, index) => {
            console.log(`  Instruction ${index}:`);
            console.log('    Program ID:', accountKeys.get(instruction.programIdIndex).toBase58());
            console.log('    Accounts:', instruction.accountKeyIndexes.map(idx => accountKeys.get(idx).toBase58()));
            console.log('    Data (Base64):', Buffer.from(instruction.data).toString('base64'));
        });

        // Optional: Simulate the transaction (if needed)
        const simulation = await connection.simulateTransaction(versionedTx);
        console.log('Simulation Result:', simulation);

    } catch (error) {
        console.error('Error analyzing transaction:', error);
    }
}

analyzeVersionedTransaction(base64Tx);

Transaction Signatures: [
  Uint8Array(64) [
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0
  ]
]
Version: 0
Number of Instructions: 3
Accounts Involved:
  Account 0: MTSLZDJppGh6xUcnrSSbSQE5fgbvCtQ496MqgQTv8c1
  Account 1: 3qWAu5u2EnkEQEXqh2LVKH13k98eosdvLWp6XQf9Gnsj
  Account 2: CV77hkUKZju1hgrA5NyNongLMQHMxj1mCLCDtfnbfNsi
  Account 3: AYCNDy5TMEvkyGQSa1ZrM48QTvGHHfLc4DfEZyikKenr
  Account 4: 5SEpbdjFK5FxwTvfsGMXVQTD2v4M2c5tyRTxhdsPkgDw
  Account 5: E48zzHrrqS9fXFiRfRv8bZhjLovYKPYUdNrdbLUrZfSM
  Account 6: ComputeBudget111111111111111111111111111111
  Account 7: RWRDdfRbi3339VgKxTAXg4cjyniF7cbhNbMxZWiSKmj
  Account 8: zi87E9xtFPRQ2o9qqerFxUDQLZgEkHrhpHDxxZhYi9a
  Account 9: 6orprZf4ytxRUEdQUYzRUjfrCExW4ujf9djTeCeHdgeo
  Account 10: FEELzfBhsWXTNJX53zZcDVfRNoFYZQ6cZA3jLiGVL16V
  Account 11: TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA
Instructions:
  Instruction 0:
    Program ID: ComputeBudget111111111111111111111111111111
    Accounts: []
    Data (Base64): A9i4BQAAAAAA
  Instruction 1:
    Program ID: ComputeBudget111111111111111111111111111111
    Accounts: []
    Data (Base64): AkANAwA=
  Instruction 2:
    Program ID: RWRDdfRbi3339VgKxTAXg4cjyniF7cbhNbMxZWiSKmj
    Accounts: [
  'MTSLZDJppGh6xUcnrSSbSQE5fgbvCtQ496MqgQTv8c1',
  '3qWAu5u2EnkEQEXqh2LVKH13k98eosdvLWp6XQf9Gnsj',
  'CV77hkUKZju1hgrA5NyNongLMQHMxj1mCLCDtfnbfNsi',
  'zi87E9xtFPRQ2o9qqerFxUDQLZgEkHrhpHDxxZhYi9a',
  'AYCNDy5TMEvkyGQSa1ZrM48QTvGHHfLc4DfEZyikKenr',
  '5SEpbdjFK5FxwTvfsGMXVQTD2v4M2c5tyRTxhdsPkgDw',
  'E48zzHrrqS9fXFiRfRv8bZhjLovYKPYUdNrdbLUrZfSM',
  '6orprZf4ytxRUEdQUYzRUjfrCExW4ujf9djTeCeHdgeo',
  'RWRDdfRbi3339VgKxTAXg4cjyniF7cbhNbMxZWiSKmj',
  'FEELzfBhsWXTNJX53zZcDVfRNoFYZQ6cZA3jLiGVL16V',
  'TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA'
]
    Data (Base64): JDnpsLUUV58A4fUFAAAAAA==
Simulation Result: {
  context: { apiVersion: '2.1.11', slot: 326332887 },
  value: {
    accounts: null,
    err: 'BlockhashNotFound',
    innerInstructions: null,
    logs: [],
    replacementBlockhash: null,
    returnData: null,
    unitsConsumed: 0
  }
}