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Ultimate Go: Advanced Engineering Episode 18

Author image

Cheikh Seck

Introduction

In episode 17, Bill began to design an in-memory accounting database that will store the account balances on his blockchain. To build this database, Bill will add a memory pool on each node that stores a list of public addresses with their respective balances. The balances on these addresses are reconstructed by reading the previous transaction records found on his blockchain.

In this video, Bill will define the types of transactions his blockchain will support. The first step Bill takes is to define the transaction data type and give a full walkthrough of the reasoning behind the fields he chose for this data type. Next, he’ll define methods for this type that will validate a transaction. While writing this code, Bill will borrow a few concepts from Ethereum to build a reference implementation. Watch to learn how transactions are managed on the blockchain and how to define one on your blockchain.

Things you will learn in this video

  • How to define a transaction.
  • The role of a Nonce (only-once) token.
  • Validate a transaction.
  • Define a factory function for a transaction.

Video

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Our classes are perfect for both experienced and beginning engineers. We start every class from the beginning and get very detailed about the internals, mechanics, specification, guidelines, best practices and design philosophies. We cover a lot about "if performance matters" with a focus on mechanical sympathy, data oriented design, decoupling and writing production software.

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