from selenium import webdriver

from selenium.webdriver.common.by import By

import requests

import json

from selenium.webdriver.support.ui import WebDriverWait

from selenium.webdriver.support import expected_conditions as EC

from selenium.webdriver.common.keys import Keys

import time

import re

def npub_to_live(driver, input_str):

# 添加显式等待，直到所需元素变得可见

wait = WebDriverWait(driver, 10)

# 等待直到 connectionState 元素的文本内容包含 "Connected"

connection_state = wait.until(

EC.visibility_of_element_located((By.ID, "connectionState"))

)

wait.until(

lambda _: "Connected" in connection_state.text

)

# 寻找hex输入框，并获取hex_key值

query_input = driver.find_element(By.ID, 'input')

query_input.clear()

query_input.send_keys(input_str)

# 点击 id 为 "send" 的按钮

send_button = driver.find_element(By.ID, 'send')

send_button.click()

time.sleep(1)

query_output = driver.find_element(By.ID, 'output')

query_output = query_output.get_attribute('value')

return query_output

def main():

with open(“nostr_id_public_keys_china_users.txt”, “r”) as f:

npub_keys = [line.strip() for line in f]

unique_followers = set()

# 创建WebDriver实例

driver = webdriver.Safari()

url = 'https://nostr.info/relayr/'

driver.get(url)

# 添加显式等待，直到所需元素变得可见

wait = WebDriverWait(driver, 10)

relay_input = wait.until(EC.visibility_of_element_located((By.ID, 'relay')))

# 寻找relay输入框，并设置relay_key值

relay_input.clear()

relay_input.send_keys("wss://offchain.pub", Keys.RETURN)

for npub_key in npub_keys:

input_str = f'["REQ","cn",{{"authors":["{npub_key}"],"kinds":[1],"limit":1}} ]'

query_output = npub_to_live(driver, input_str)

print(f"{npub_key} Processed: {query_output} ")

# 提取 created_at 时间戳

created_at_match = re.search('"created_at":(\d+)', query_output)

if created_at_match:

created_at = int(created_at_match.group(1))

# 计算当前时间戳和 created_at 的差值

current_timestamp = int(time.time())

time_difference = current_timestamp - created_at

# 判断是否在过去30天内

if time_difference < 30 * 24 * 60 * 60:

with open("nostr_crawler_live_zh_users_list.txt", "a") as f:

f.write(f"{npub_key}\n")

# 关闭WebDriver实例

driver.quit()

if name == “main”:

main()