Dapp with autonomous smart contracts and oracles from Udacity

What's inside

Syllabus

Welcome to the course! In this lesson, you'll get an over of the course material, clone the project repository, and ensure that your development environment is set up correctly.

In this lesson, you'll learn about stopping loss. You'll learn to pause a Smart Contract and the benefits it brings. You'll also learn about multi-party consensus and how it protects contract data.

In this course, you'll learn the fundamentals of making payments. You'll learn to use the SafeMath library, how protecting payments work, and learn the best practices for security.

Learn the scenarios where a Smart Contract needs to be upgraded, solutions for handling Smart Contract upgrades, how to separate data and application contracts, and securing calls between the two.

Discover what an oracle is, identify when an oracle is needed, learn the difference between a trusted oracle and a trustless oracle, and create contracts that send and receive data from an oracle.

Creating a user-friendly Dapp isn't easy. In this lesson, we'll go over ways to develop Dapps with great user experiences as well as develop blockchain, Dapp, and server code using modern techniques.

Dive into the Flight Surety Project to get a top-down look at what's in store for you with the project, learn about the project's requirements, and finish with a tour of the starter code.

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Examines multi-party consensus and pausing Smart Contracts, which are both highly relevant to the world of smart contracts

Explores the use of an oracle, a highly valuable tool for smart contracts

Develops skills in making payments, handling upgrades, and building user-friendly Dapps

Can be taken by students of varying levels of experience in smart contract development

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Dapp with autonomous smart contracts and oracles with these activities:

Review blockchain basics

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Reinforce your understanding of blockchain concepts and prepare for advanced topics in the course.

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Read textbook chapters on blockchain fundamentals
Review online tutorials and articles on blockchain technology

Blockchain Resources Compilation

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Enhance your research and development skills by compiling useful blockchain-related resources, tools, and documentation.

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Gather and organize online resources, tutorials, and documentation on blockchain technology
Create a central repository or resource hub to share the compiled information

Smart Contract Debugging

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Improve your ability to identify and resolve issues in Smart Contracts, enhancing your coding skills.

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Practice debugging Smart Contracts in a development environment
Participate in online coding challenges related to Smart Contract debugging

Two other activities

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Collaborative Smart Contract Review

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Strengthen your understanding and improve code quality by participating in peer review sessions for Smart Contracts.

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Join or form a study group with peers to review and discuss Smart Contracts
Provide constructive feedback and suggestions on the design, implementation, and security of Smart Contracts

Solidity Advanced Features

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Expand your skills in Solidity by exploring advanced features, enhancing your ability to build complex Smart Contracts.

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Seek out and follow online tutorials on advanced Solidity topics
Practice implementing advanced Solidity features in development projects

Career center

Learners who complete Dapp with autonomous smart contracts and oracles will develop knowledge and skills that may be useful to these careers:

Analyst

An analyst will need to create and update various Smart Contracts, which this course trains them to do. An analyst will also need to enforce multi-party consensus, which is covered in this course.

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Blockchain Developer

A Blockchain Developer will be interested in learning how to use SafeMath for payments to protect against overflow issues. They will also be involved in user interface and user experience, receiving training on these topics as part of this course.

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Software Developer

Software Developers will need to design and create complex Smart Contracts that may need to be updated later. This course teaches methods for upgrading Smart Contracts as well as best practices for doing so.

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Systems Analyst

Systems Analysts may need to evaluate, design, and test new systems to be integrated into an existing infrastructure. This course teaches the best practices and techniques for this.

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Tester

Testers will need to verify the functionality of implemented Dapps. This course teaches best practices for developing user-friendly Dapps, which could lead Testers to provide better input on UI/UX during the testing phase.

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Database Administrator

Database Administrators will need to manage databases that can be used with Dapps. This course discusses how to separate data and application contracts, which could help Database Administrators design a schema for data tables.

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Application Developer

Application Developers will need to implement applications that adhere to security best practices. This course teaches how to utilize SafeMath for protecting payments and avoiding overflow issues.

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Information Technology Project Manager

An IT Project Manager will need to oversee projects related to Dapps. This course teaches how Dapps are developed using blockchain, Dapp, and server code, as well as best practices for creating a great user interface and user experience for Dapps.

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Data Architect

A Data Architect designs data management systems and data architecture solutions. This course teaches a variety of topics that can help inform a Data Architect's designs, such as data feeds and publishing events.

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Business Analyst

A Business Analyst will be interested in learning about stopping loss in a Smart Contract in order to better understand a solution that can be offered to clients. Understanding how to pause Smart Contracts and multi-party consensus are also covered.

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Computer Systems Analyst

Computer Systems Analysts will be involved with the maintenance and design of Dapps. This course teaches Solidity and best practices for creating secure, high quality Smart Contracts.

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Web Developer

Web Developers will need to be familiar with how Dapps are made so they can be implemented as part of a website. This course teaches modern techniques for developing blockchain, Dapp, and server code.

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Computer Support Specialist

A Computer Support Specialist will be required to troubleshoot a variety of technical issues, but will need to be able to understand the underlying code. This course will help develop this understanding, and while it mainly focuses on Solidity, the concepts can be applied more broadly.

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Systems Engineer

Systems Engineers may need to build, deploy, or maintain systems or infrastructure that are compatible with blockchain technology. This course covers fundamentals of payments, which are a core part of blockchain technology.

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Database Developer

A Database Developer will be responsible for maintaining databases that may be used with Dapps. This course teaches how to separate data and application contracts, which will be key for database design.

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