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NEAR区块链元池心跳服务的实现与部署指南

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"Meta-Stake-pool心跳服务"是一个为NEAR区块链中的元池合约提供心跳功能的服务器进程。心跳服务的作用是在区块链网络中保持节点活跃,防止节点因长时间不活动而被视为离线。 技术细节方面,心跳服务是由nodejs编写,并使用TypeScript语言。Nodejs是一个基于Chrome V8引擎的JavaScript运行环境,它使得JavaScript能够在服务器端运行。TypeScript则是JavaScript的一个超集,它在JavaScript的基础上增加了一些类型系统和对ES6+新特性的支持。使用TypeScript编写代码,可以在编译阶段就发现潜在的错误,提高代码的质量和可维护性。 心跳服务的主要功能是定期调用distribute_stake()和distribute_unstake()两个函数。这两个函数可能用于在区块链中重新分配权益或者撤销权益,具体作用依赖于元池合约的逻辑。 服务器公开了一个HTTP端点,默认端口为7001。这个端点提供了几个功能:显示服务器状态、显示服务器日志、进程监视程序的保持活动响应以及关闭进程。关闭进程的命令会由pm2这个进程管理器重新启动,pm2是一个流行的Node.js应用的进程管理器,它可以让Node.js应用作为守护进程运行,提供如日志记录、监控和负载均衡等功能。 在部署方面,有Testnet(测试网)部署和生产部署两种情况。在测试网部署时,需要确保元池心跳服务器代码引用了您的NEAR主账户。NEAR是一种去中心化应用平台,它允许用户运行和部署去中心化应用。主账户是您在NEAR平台上的主要身份标识。同时,还需要一个网关合约ID,这可能是一个特定的合约地址,用于在NEAR区块链上进行操作。 在集成测试方面,需要让用户操作合同,并且运行服务器以处理请求。起始node dist/main是指Node.js项目构建后生成的文件夹,通常在项目根目录下,包含构建后的JavaScript代码。通过Web UI操作合同比如导航到localhost:8000,可以检查心跳服务器上的统计信息,这可能是在本地环境中测试心跳服务的运行情况。 生产部署则需要在NEAR主网上部署,这是一个更正式、面向用户的应用环境。在这种情况下,需要在服务器中设置相关配置,包括NEAR主账户和网关合约ID等,以确保心跳服务能够在真实的区块链网络环境中正常运行。 总结来说,"Meta-Stake-pool心跳服务"是一个为NEAR区块链元池合约提供心跳功能的服务器应用。它是用Node.js和TypeScript开发的,具有HTTP端点的服务器公开功能,以及在测试网和主网上的部署指南。开发者需要掌握Node.js、TypeScript以及NEAR区块链平台的相关知识,以便能够顺利地开发、测试和部署心跳服务。

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