python-app.yml

const axios = require('axios');
const mongoose = require('mongoose');

// MongoDB connection
mongoose.connect(process.env.MONGO_URI, {
  useNewUrlParser: true,
  useUnifiedTopology: true,
});

// Define Mongoose Schema
const blockSchema = new mongoose.Schema({
  height: Number,
  hash: String,
  time: Number,
  txIndexes: [Number],
});
const transactionSchema = new mongoose.Schema({
  hash: String,
  time: Number,
  inputs: Array,
  outputs: Array,
});

// Create models
const Block = mongoose.model('Block', blockSchema);
const Transaction = mongoose.model('Transaction', transactionSchema);

// Fetch Latest Block
async function fetchLatestBlock() {
  try {
    const response = await axios.get("https://blockchain.info/latestblock");
    const blockData = response.data;

    // Check if block already exists
    const existingBlock = await Block.findOne({ height: blockData.height });
    if (!existingBlock) {
      const newBlock = new Block(blockData);
      await newBlock.save();
      console.log(`Block ${blockData.height} saved.`);
    } else {
      console.log(`Block ${blockData.height} already exists.`);
    }
  } catch (error) {
    console.error("Error fetching block:", error);
  }
}

// Fetch Transactions for Your Bitcoin Address
async function fetchTransactions(address) {
  try {
    const response = await axios.get(`https://blockchain.info/rawaddr/${address}`);
    const transactions = response.data.txs;

    for (const tx of transactions) {
      const existingTx = await Transaction.findOne({ hash: tx.hash });
      if (!existingTx) {
        const newTx = new Transaction(tx);
        await newTx.save();
        console.log(`Transaction ${tx.hash} saved.`);
      }
    }
  } catch (error) {
    console.error("Error fetching transactions:", error);
  }
}

// Run both functions
async function updateData() {
  await fetchLatestBlock();
  await fetchTransactions("bc1qn56zm7hsxzdshuxdc7s7ytcv3qznf7wntj80g3"); // Your BTC address
}

// Run every 5 minutes
setInterval(updateData, 5 * 60 * 1000);

console.log("Bitcoin block & transaction tracker started...");