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在没有浏览器的情况下使用Node.js App观看以太坊智能合约事件

[英]Watch Ethereum Smart Contract Events with Node.js App without browser

原文 2018-05-04 11:23:58 0 1 node.js/ ethereum/ smartcontracts

I need to be able to listen to events from a smart contract on the ethereum blockchain. 我需要能够侦听以太坊区块链上智能合约中的事件。 I'd like to use Node.js but it only seem to work if I open the App in my browser. 我想使用Node.js，但只有在浏览器中打开应用程序后，它才能正常工作。 I want the node app to run in the background, listen for events and then do something automatically. 我希望节点应用程序在后台运行，侦听事件，然后自动执行某些操作。

Is this possible or would you recommend any other technology? 这可能吗，或者您会推荐其他任何技术？

1 个解决方案

Solution: Minimal Node.js App with express and web3. 解决方案：带有Express和Web3的最小Node.js应用。 Try this repository as a reference, it was very insightful to me: https://github.com/nacmonad/eth-iot-examples/ 尝试将此存储库作为参考，这对我来说是很有见地的： https ： //github.com/nacmonad/eth-iot-examples/

Node JS 与以太坊智能合约交互 - Node JS Interacting with Ethereum Smart Contract

使用 Node.js 编译和部署以太坊智能合约时出错 - Getting error when compiling and deploying ethereum smart contract with Node.js

如何在 node.js 应用程序中使用 ethers.js contract.on() 监听来自智能合约的事件？ - How do I listen to events from a smart contract using ethers.js contract.on() in a node.js application?

如何从 node.js 应用程序永久监听智能合约中的事件？ - How to listen permanently to events in a smart contract from node.js Application?

Node.js addEventListener等事件无浏览器 - Node.js addEventListener and other events without browser

Node.js：从浏览器接收事件 - Node.js: Receive events from browser

如何用WalletConnect调用智能合约function？ (React.js, Node.js) - How to call a smart contract function with WalletConnect? (React.js, Node.js)

如何从node.js在智能合约中创建令牌？ - How can I create tokens in smart contract from node.js?

ethereum remix 中的简单智能合约 - ParserError: Expected ';' - Simple smart contract in ethereum remix - ParserError: Expected ';'

如何使用 nodejs 上的 Web3js 解码在以太坊上调用智能合约的响应 - How to decode response from calling smart contract on Ethereum using Web3js on nodejs

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相关问题 Node JS 与以太坊智能合约交互 - Node JS Interacting with Ethereum Smart Contract 使用 Node.js 编译和部署以太坊智能合约时出错 - Getting error when compiling and deploying ethereum smart contract with Node.js 如何在 node.js 应用程序中使用 ethers.js contract.on() 监听来自智能合约的事件？ - How do I listen to events from a smart contract using ethers.js contract.on() in a node.js application? 如何从 node.js 应用程序永久监听智能合约中的事件？ - How to listen permanently to events in a smart contract from node.js Application? Node.js addEventListener等事件无浏览器 - Node.js addEventListener and other events without browser Node.js：从浏览器接收事件 - Node.js: Receive events from browser 如何用WalletConnect调用智能合约function？ (React.js, Node.js) - How to call a smart contract function with WalletConnect? (React.js, Node.js) 如何从node.js在智能合约中创建令牌？ - How can I create tokens in smart contract from node.js? ethereum remix 中的简单智能合约 - ParserError: Expected ';' - Simple smart contract in ethereum remix - ParserError: Expected ';' 如何使用 nodejs 上的 Web3js 解码在以太坊上调用智能合约的响应 - How to decode response from calling smart contract on Ethereum using Web3js on nodejs

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