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eth-monitor-quickstart's Introduction

为了监听以太坊链上的交易,你可以使用Python库web3.py,它是一个以太坊的Python接口,允许你与以太坊区块链进行交互。以下是一个快速开始指南,展示了如何使用web3.py来监听以太坊链上的交易。

安装 web3.py

首先,你需要安装web3.py。你可以使用pip来安装:

pip install web3

监听交易

以下是一个简单的Python脚本,它使用web3.py来监听以太坊链上的新交易:

from web3 import Web3

# 连接到以太坊节点,你可以使用Infura或者自己的节点
infura_url = 'https://mainnet.infura.io/v3/your_project_id'
web3 = Web3(Web3.HTTPProvider(infura_url))

# 检查是否连接成功
if web3.isConnected():
    print("Connected to Ethereum blockchain!")
else:
    print("Failed to connect to Ethereum blockchain.")

# 设置一个处理事件的函数
def handle_event(event):
    print(event)

# 使用过滤器监听新的交易
new_transaction_filter = web3.eth.filter('pending')

# 轮询检查新的交易
while True:
    for tx_hash in new_transaction_filter.get_new_entries():
        handle_event(web3.eth.getTransaction(tx_hash))

请注意,你需要将your_project_id替换为你的Infura项目ID。如果你没有Infura账户,你需要去Infura官网注册并创建一个项目来获取ID。

这个脚本会持续运行,并打印出所有新的交易详情。你可以修改handle_event函数来根据你的需求处理这些交易。

注意事项

  • 监听交易可能会消耗大量资源,因为它需要不断地查询以太坊节点。
  • 如果你想要监听特定的智能合约事件,你需要访问该合约的ABI,并使用相应的事件签名来创建过滤器。
  • 请确保你的网络连接稳定,以避免在监听过程中出现中断。

这个快速开始指南提供了一个基本的框架,你可以在此基础上构建更复杂的监听逻辑,以满足你的特定需求。

Citations: [1] https://blog.csdn.net/weixin_68260992/article/details/130609951 [2] https://blog.csdn.net/haeasringnar/article/details/122761580 [3] https://cloud.tencent.com/developer/article/2142831 [4] https://openprompt.co/conversations/1352 [5] https://learnblockchain.cn/article/4309 [6] https://www.theblockbeats.info/news/29849 [7] https://blog.csdn.net/weixin_45604639/article/details/115866521 [8] https://learnblockchain.cn/question/3919 [9] https://developer.aliyun.com/article/617006 [10] https://blog.csdn.net/tz_zs/article/details/121249588 [11] https://learnblockchain.cn/article/5001 [12] https://watermelon.gitbook.io/web3j/ru-men [13] https://learnblockchain.cn/article/3263 [14] https://cloud.tencent.com/developer/article/2152788 [15] https://leohsiao.com/Distributed/%E5%8C%BA%E5%9D%97%E9%93%BE/ETH.html [16] https://blog.csdn.net/qyvlik/article/details/114393404 [17] http://www.ykclsyj.com/ethnews/584.html [18] https://cloud.tencent.com/developer/article/2152769 [19] https://goethereumbook.org/zh/event-subscribe/ [20] https://www.volcengine.com/theme/5981030-R-7-1

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