aplicación.py

import config, time, ccxt
from flask import Flask, render_template, request, flash, redirect, url_for
from werkzeug.urls import url_parse
from web3 import Web3
import os
import requests
from dotenv import load_dotenv 
load_dotenv()

app = Flask(__name__, template_folder="templates")
app.config['SECRET_KEY'] = 'somerandomstring'

w3 = Web3(Web3.HTTPProvider(os.getenv("INFURA_URL")))

def get_ethereum_price():
    binance = ccxt.binance()
    ethereum_price = binance.fetch_ticker('ETH/USDC')

    return ethereum_price

@app.route("/")
def index():
    eth = w3.eth

    ethereum_price = get_ethereum_price()

    latest_blocks = []
    for block_number in range(eth.block_number, eth.block_number-10, -1):
        block = eth.get_block(block_number)
        latest_blocks.append(block)

    latest_transactions = []
    for tx in latest_blocks[-1]['transactions'][-10:]:
        transaction = eth.get_transaction(tx)
        latest_transactions.append(transaction)

    current_time = time.time()

    return render_template('index.html', 
        miners=config.MINERS,
        current_time=current_time, 
        eth=eth, 
        ethereum_price=ethereum_price,
        latest_blocks=latest_blocks,
        latest_transactions=latest_transactions)

@app.route("/address")
def address():
    address = request.args.get('address')

    ethereum_price = get_ethereum_price()
    
    try:
        address = w3.toChecksumAddress(address)
    except:
        flash('Invalid address', 'danger')
        return redirect('/')

    balance = w3.eth.get_balance(address)
    balance = w3.fromWei(balance, 'ether')
    
    return render_template('address.html', ethereum_price=ethereum_price, address=address, balance=balance)

@app.route("/block/<block_number>")
def block(block_number):
    block = w3.eth.get_block(int(block_number))
    
    return render_template('block.html', block=block)

@app.route('/transaction/<hash>')
def transaction(hash):
    tx = w3.eth.get_transaction(hash)
    value = w3.fromWei(tx.value, 'ether')
    receipt = w3.eth.get_transaction_receipt(hash)
    ethereum_price = get_ethereum_price()

    gas_price = w3.fromWei(tx.gasPrice, 'ether')

    return render_template('transaction.html', tx=tx, value=value, receipt=receipt, gas_price=gas_price, ethereum_price=ethereum_price)


app.run()