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Anchor CPIs and Errors

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Content Objectives Progress

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Objectives

By the end of this lesson, you'll be able to:

Make Cross Program Invocations (CPIs) from an Anchor program
Use the `cpi` feature to generate helper functions for invoking instructions on existing Anchor programs
Use `invoke` and `invoke_signed` to make CPIs where CPI helper functions are unavailable
Create and return custom Anchor errors

Progress

Intro to Anchor development

Lab: Create and deploy a ping-counter onchain app using Anchor

Intro to client-side Anchor development

Lab: Create a React and Anchor frontend for the ping-counter app

Anchor PDAs and accounts

Lab: Use Anchor to create a Movie Review program

Anchor CPIs and errors

Lab: Mint token rewards for reviews

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