{"overview":{"title":"Learn Cadence: Intermediate","contentType":"course","certificateIncluded":true,"excerpt":"Take your Cadence knowledge to the next level by learning more advanced concepts & patterns.","author":{"name":"Jacob Tucker","socialMediaUrl":"https://twitter.com/jacobmtucker","avatarUrl":"/avatars/jacob.jpeg","isVerified":true,"walletAddress":"0x99bd48c8036e2876"},"metadata":{"expertise":"Intermediate","duration":"5 chapters","prerequisites":[],"subjects":["cadence"],"price":"Free","faqs":[{"question":"📖 What is this course?","answer":"Learn intermediate Cadence concepts & patterns. During the course, you will extend your basic Cadence knowledge to include more advanced patterns you will likely utilize when developing real applications."},{"question":"🚀 What will I know by the end?","answer":"

Master Capability-based control
Understand current issues with poor capabilitly links and how to work through them
Learn how to implement Admin control
Improve the efficiency and readability of transaction/script code
Helpful patterns to control permissions and improve efficiencies in a smart contract
Miscellaneous information like handling time in Cadence

"},{"question":"😇 Who is this course meant for?","answer":"

You want to get a stronger understanding of the Cadence smart contract language
You want to learn more advanced Cadence patterns & concepts
You have completed our Beginner Cadence Course and are looking for more

"},{"question":"📚 How does it work?","answer":"The lessons will be split into 'chapters,' and chapters will be split into 'lessons.' I did it this way so you can manage your time and progress through the course as you like. Do not feel pressured to do this every lesson. Do it at your own pace and have fun with it! It will always be here :)

Here's an overview:

Lessons split into lessons
Written & video content associated with each lesson. The videos will be from my YouTube Channel.
Quests to complete
Short quizzes
A completion certificate (this FLOAT) if you have completed all the quests from Chapters 1-5 (Chapter 6 is extra credit). This will be proof that you have significant Cadence knowledge, and you will be able to show it to whoever you like as proof of expertise. Or just for fun! :D

"},{"question":"❓ What do I need ahead of time?","answer":"Quests are like homework assignments. There are quests for every lesson of content. They will test your understanding of the concepts that are in that lesson's content."},{"question":"How do I submit quests?","answer":"When you finish a quest, please store all your quests together. Then, when you want them to be reviewed, submit them in the #quest-submissions channel inside the Emerald City Discord and our instructors will review them."},{"question":"What are quizzes?","answer":"Every lesson also has a quiz associated with it to test your knowledge. It is a simple Google Form you can fill out to test your understanding for that lesson's content.

All of these quizzes are entirely thanks to FrankenSense. Thank you for being an absolute legend!"}]},"slug":"courses/intermediate-cadence"},"contents":{"chapter1":{"overview":{"title":"Capabilities","description":"Revisit capabilities and master both how they work and their faults."},"contents":[{"slug":"en/catalog/courses/intermediate-cadence/chapter1/lesson1","metadata":{"title":"More on Capabilities","lesson":1,"language":"en","excerpt":"Time to start your painful adventure into learning the extremely weird nuances of Cadence crap.","headings":[{"level":1,"title":"Chapter 1 Lesson 1 - More on Capabilities"},{"level":2,"title":"What are Capabilities?"},{"level":2,"title":"Actually Understanding Capability Types"},{"level":2,"title":"Storing Capabilities"},{"level":3,"title":"Storing a Capability Inside Our Profile"},{"level":3,"title":"Reading Our Profile"},{"level":2,"title":"Valid/Invalid Capabilities"},{"level":3,"title":".check() Function"},{"level":3,"title":"Valid Capabilities Becoming Invalid"},{"level":2,"title":"Quests"}]}},{"slug":"en/catalog/courses/intermediate-cadence/chapter1/lesson2","metadata":{"title":"Private Capabilities","lesson":2,"language":"en","excerpt":"Today doesn't get any better. Private capabilities, woooooohoooooo!","headings":[{"level":1,"title":"Chapter 1 Lesson 2 - Private Capabilities"},{"level":2,"title":"What are They?"},{"level":2,"title":"When Would We Use Them?"},{"level":2,"title":"NFT Example"},{"level":3,"title":"The Old Way to Give Admin Rights"},{"level":3,"title":"Using Private Capabilities"},{"level":3,"title":"Revoking the Private Capability"},{"level":2,"title":"Quests"}]}},{"slug":"en/catalog/courses/intermediate-cadence/chapter1/lesson3","metadata":{"title":"Poor Capability Links","lesson":3,"language":"en","excerpt":"This is a fun chapter for me because I get to flame all of you.","headings":[{"level":1,"title":"Chapter 1 Lesson 3 - Poor Capability Links"},{"level":2,"title":"What Are You Talking About?"},{"level":2,"title":"Common Mistakes"},{"level":3,"title":"Forgetting an Interface"},{"level":3,"title":"Using &AnyResource"},{"level":2,"title":"A MainNet Example"},{"level":2,"title":"Quests"}]}},{"slug":"en/catalog/courses/intermediate-cadence/chapter1/lesson4","metadata":{"title":"Working with Poor Links","lesson":4,"language":"en","excerpt":"If your brain hasn't turned to mush already, congrats! If it has, keep up! We're gonna keep moving along.","headings":[{"level":1,"title":"Chapter 1 Lesson 4 - Working with Poor Links"},{"level":2,"title":"Preventing Bugs from Poor Links"},{"level":3,"title":"So What’s the Fix?"},{"level":2,"title":"Resource Identifier"},{"level":3,"title":"Back to Our Example"},{"level":2,"title":"Quests"}]}}]},"chapter2":{"overview":{"title":"Access Control","description":"Discuss different patterns using certain access modifiers."},"contents":[{"slug":"en/catalog/courses/intermediate-cadence/chapter2/lesson1","metadata":{"title":"Access (contract) Pattern","lesson":1,"language":"en","excerpt":"In this Chaper, we will be talking a lot about Admin rights, and how to navigate giving Admins abilities in your contracts.","headings":[{"level":1,"title":"Chapter 2 Lesson 1 - access(contract) Pattern"},{"level":2,"title":"What is access(contract)?"},{"level":2,"title":"Describing the Problem"},{"level":2,"title":"The Solution"},{"level":2,"title":"Example Problem"},{"level":2,"title":"Quests"}]}},{"slug":"en/catalog/courses/intermediate-cadence/chapter2/lesson2","metadata":{"title":"Access (account)","lesson":2,"language":"en","excerpt":"We are making our way back to the grand topic of **access control!** \"Yaaaaaaaay,\" said nobody.","headings":[{"level":1,"title":"Chapter 2 Lesson 2 - access(account)"},{"level":2,"title":"Access Control"},{"level":2,"title":"So what is access(account)?"},{"level":2,"title":"Actually Useful Stuff"},{"level":2,"title":"Quests"}]}}]},"chapter3":{"overview":{"title":"Scripts","description":"Tons of concepts around how to optimally write and execute scripts."},"contents":[{"slug":"en/catalog/courses/intermediate-cadence/chapter3/lesson1","metadata":{"title":"Organizing Information in a Script","lesson":1,"language":"en","excerpt":"To start, let's do something easy, organizing information we return back to our client.","headings":[{"level":1,"title":"Chapter 3 Lesson 1 - Organizing Information in a Script"},{"level":2,"title":"What’s the Problem?"},{"level":2,"title":"Using Structs"},{"level":2,"title":"Real-World Scenario"},{"level":2,"title":"Quests"}]}},{"slug":"en/catalog/courses/intermediate-cadence/chapter3/lesson2","metadata":{"title":"AuthAccount in Scripts","lesson":2,"language":"en","excerpt":"In today's lesson, we'll be learning about fetching an AuthAccount inside of a script.","headings":[{"level":1,"title":"Chapter 3 Lesson 2 - AuthAccount in Scripts"},{"level":2,"title":"AuthAccount Review?"},{"level":2,"title":"AuthAccount in a Script? What?!"},{"level":2,"title":"Why Use It?"},{"level":3,"title":"Re-linking to Discover Data"},{"level":3,"title":"Finding Data Not Displayed to the Public"},{"level":2,"title":"Quests"}]}},{"slug":"en/catalog/courses/intermediate-cadence/chapter3/lesson3","metadata":{"title":"Storage Iteration","lesson":3,"language":"en","excerpt":"Today, we'll be talking about a feature actually quite new to Cadence, Storage Iteration! It may look hard at first, but it's actually pretty easy.","lessonVideoUrl":"https://www.youtube.com/embed/bwtQ0ettqLU","headings":[{"level":1,"title":"Chapter 3 Lesson 3 - Storage Iteration"},{"level":2,"title":"What is Storage Iteration?"},{"level":2,"title":"Basic Functions"},{"level":2,"title":"Looping Over an Account"},{"level":2,"title":"Real Example"},{"level":2,"title":"Quests"}]}},{"slug":"en/catalog/courses/intermediate-cadence/chapter3/lesson4","metadata":{"title":"Prioritizing nil","lesson":4,"language":"en","excerpt":"This lesson will be super short, but it's an important concept to understand when thinking about the relationship between Cadence (what we're good at), and your frontend client that is *using* your smart contract code.","headings":[{"level":1,"title":"Chapter 3 Lesson 4 - Prioritizing nil"},{"level":2,"title":"Getter Functions"},{"level":2,"title":"Script Data"},{"level":2,"title":"Conclusion"},{"level":2,"title":"Quests"}]}}]},"chapter4":{"overview":{"title":"Important Concepts","description":"Proving identity, measuring time, and other random topics."},"contents":[{"slug":"en/catalog/courses/intermediate-cadence/chapter4/lesson1","metadata":{"title":"Proving Identity","lesson":1,"language":"en","excerpt":"This Chapter is going to be filled with a bunch of really useful things that you should absolutely know, but don't necessarily relate to each other.","headings":[{"level":1,"title":"Chapter 4 Lesson 1 - Proving Identity"},{"level":2,"title":"The Problem"},{"level":2,"title":"What About AuthAccount?"},{"level":2,"title":"Using self.owner!.address"},{"level":2,"title":"Quests"}]}},{"slug":"en/catalog/courses/intermediate-cadence/chapter4/lesson2","metadata":{"title":"Time in Cadence","lesson":2,"language":"en","excerpt":"Welcome back to another lesson, it's your favorite (and hottest) instructor back again to teach you how to measure time in Cadence. Woohoo!","lessonVideoUrl":"https://www.youtube.com/embed/oBwFnsBSaK8","headings":[{"level":1,"title":"Chapter 4 Lesson 2 - Time in Cadence"},{"level":2,"title":"How to Represent Time"},{"level":2,"title":"How to Get the Current Time"},{"level":2,"title":"Calculating Time"},{"level":2,"title":"Quests"}]}},{"slug":"en/catalog/courses/intermediate-cadence/chapter4/lesson3","metadata":{"title":"Structuring Transactions Correctly","lesson":3,"language":"en","excerpt":"Hi! In today's lesson, you won't be learning anything entirely new per say... but I will be showing you something that allows me to immediately tell the difference between a noobie and advanced Cadence developer.","headings":[{"level":1,"title":"Chapter 4 Lesson 3 - Structuring Transactions Correctly"},{"level":2,"title":"Up Until Now"},{"level":2,"title":"prepare vs. execute"},{"level":2,"title":"Example"},{"level":2,"title":"Who Do This?"},{"level":2,"title":"Quests"}]}},{"slug":"en/catalog/courses/intermediate-cadence/chapter4/lesson4","metadata":{"title":"Borrowing Contracts","lesson":4,"language":"en","excerpt":"This lesson will be pretty short, but it is a very new feature of Cadence that I think is pretty cool, and potentially has some really cool use cases that are undiscovered!","lessonVideoUrl":"https://www.youtube.com/embed/fM7UYt9p7ik","headings":[{"level":1,"title":"Chapter 4 Lesson 4 - Borrowing Contracts"},{"level":2,"title":"The ‘Why?’"},{"level":2,"title":"Contract Interfaces"},{"level":2,"title":"Example"},{"level":2,"title":"Quests"}]}},{"slug":"en/catalog/courses/intermediate-cadence/chapter4/lesson5","metadata":{"title":"Miscellaneous","lesson":5,"language":"en","excerpt":"Heeeeello again and welcome back to the last lesson in this course. Although you have probably gotten sick of me, I know you're going to miss me.","headings":[{"level":1,"title":"Chapter 4 Lesson 5 - Miscellaneous"},{"level":2,"title":"Nil-Coalescing Operator"},{"level":2,"title":"Optional Binding"},{"level":2,"title":"Optional Chaining"},{"level":2,"title":"Conditional (Ternary) Operator"},{"level":2,"title":"Quests"}]}}]},"chapter5":{"overview":{"title":"Basic Concepts","description":"Learn the basics of Blockchain technology and Computer Programming."},"contents":[{"slug":"en/catalog/courses/intermediate-cadence/chapter5/lesson1","metadata":{"title":"Assessment","lesson":1,"language":"en","excerpt":"Before you run away and cheat on me with a different course, I have a final assessment for you. Yes, it will be hard. Or maybe not? If it is, then get rekt. If it's not, then I guess I'm just a great instructor.","headings":[{"level":1,"title":"Chapter 5 - Assessment"},{"level":2,"title":"Part 1"},{"level":2,"title":"Part 2"},{"level":2,"title":"Part 3"},{"level":2,"title":"Part 4"},{"level":2,"title":"Part 5"},{"level":2,"title":"Part 6"},{"level":2,"title":"Part 7"},{"level":2,"title":"Conclusion"}]}}]}},"slug":"intermediate-cadence"}

Learn Cadence: Intermediate

Capabilities

Access Control

Scripts

Important Concepts

Basic Concepts

Frequently asked questions

📖 What is this course?

🚀 What will I know by the end?

😇 Who is this course meant for?

📚 How does it work?

❓ What do I need ahead of time?

How do I submit quests?

What are quizzes?