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How to Build an Oracle - Part 2
How to Build an Oracle - Part 2
solidity_advanced
Cryptozombies

Welcome to the second part of our series about building an oracle. This lesson picks up where we left off last time, and we're going to look at how to:

  • Implement the JavaScript component of the oracle.
  • Write a simple Node.js client that interacts with the oracle. To keep things simple, you won't be building a fully-fledged web interface, but the code you'll write in this lesson will help you understand all the key aspects.
  • To glue everything together, we'll teach you how to deploy the smart contracts and run the oracle.

Note that this is an advanced lesson and it requires:

  • A bit of JavaScript knowledge.
  • A basic understanding of web3. If you don’t know how web3 works, don't worry. We've got you covered. Just head over to Lesson 6 first.