Build & Brew: Build a Real-Time, Wallet-Drain Alert Bot Powered by Espresso Confirmations
Автор: Espresso Systems
Загружено: 2025-03-15
Просмотров: 129
In this workshop, Jean Gal from Espresso Systems demonstrates how to leverage the Espresso Network's capabilities to monitor blockchain transactions in real-time. The session focuses on deploying a "Caffeinated Node" that allows developers to read and parse transactions from an Espresso-integrated rollup, and using this information to build useful applications like a wallet-drain alert system.
Jean led this workshop on March 13, 2025, as part of Espresso's $100K Build & Brew Hackathon. Hackers have until March 31 to register and submit their projects. Register here: https://tinyurl.com/build-n-brew
Key Points Covered:
The concept and architecture of a Caffeinated Node and how it serves as a JSON-RPC endpoint for an Espresso-integrated rollup
Step-by-step instructions for setting up a Caffeinated Node connected to your rollup
Configuration details including chain ID settings, Hotshot URLs, and RPC endpoints
How to synchronize the Caffeinated Node with your rollup by copying the database
Building a Go-based monitoring application that reads transactions from the Caffeinated Node
Setting up transaction filters to detect specific events like large value transfers
Deploying the entire system on AWS for production use with CloudWatch logging
Troubleshooting common issues including RPC rate limits and database synchronization problems
Learn more about Espresso's Build & Brew Hackathon: https://tinyurl.com/build-n-brew
Find Jean on X: https://x.com/jeangalbc
Learn more about Espresso: https://espresso.com
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