Read Data

Welcome

Welcome to the Developers Fundamentals course!

This comprehensive course teaches you how to interact with the blockchain, read and write data, manage transactions, and acquire the necessary skills and knowledge to build your own decentralized applications.

This course will equip you with practical skills to work with VeChain’s powerful ecosystem.

What You’ll Learn in This Chapter

The "Reading Data" chapter is designed to equip you with the skills necessary to effectively read data from the VeChainThor blockchain, enabling you to build robust and interactive decentralized applications.

Before diving into data reading, you’ll first learn the basics of connecting to the network. Once you understand the fundamentals of VeChainThor, it's time to explore how to retrieve and interpret onchain data.

I. Reading Blocks: Understand the structure of blocks and how to access block data, including block headers, timestamps, and transaction lists.​

II. Reading Transactions: Learn to fetch and analyze transaction details, such as transaction IDs, origins, clauses, and outputs.

III. Reading Accounts: Discover how to retrieve account information, including balances, storage data, and account-specific details.​

IV. States & Views: Explore the mechanisms to read the current state of smart contracts and utilize view functions to obtain real-time data.​

V. Events & Logs: Gain insights into capturing and interpreting events emitted by smart contracts, and learn how to effectively query logs for specific events.

VI. VET Transfers: Delve into the specifics of tracking VET token transfers, understanding transfer events, and monitoring token movements.

By the end of this chapter, you'll be proficient in accessing and interpreting various data components on the VeChainThor blockchain, enabling you to build applications that can read and respond to blockchain events and states.