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智能合约事件监听的解决方案 | Simplexity #30

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simplexity-ckcclc opened this issue Apr 21, 2023 · 1 comment
Open

智能合约事件监听的解决方案 | Simplexity #30

simplexity-ckcclc opened this issue Apr 21, 2023 · 1 comment
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https://simplexity.cn/2023/04/21/sc-event-listener/

应用监听智能合约事件，常见有主动轮询链节点和向链节点订阅推送的方式。当单个应用存在多个实例时，需要在各个实例间协调，避免对同一合约事件的重复处理。同时，当前监听实例一旦下线，对于该合约事件的处理需要由其他实例从当前位置接着消费（应用需要额外设计实现协调机制保证不丢事件不重复消费）。本方案将事件监听和消费协同的功能交给中间件及消息队列等组件。应用无需再额外实现实例间的协调机制，只需要负责从消息队列里
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无话可说

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