Introduction In episode 16, Bill implemented additional means of verification for his blockchain’s transactions. The first update he made was to verify if a transaction is destined for his blockchain by reading the first byte of the signature. The next one Bill made was to reca...
Introduction In episode 15, Bill architected a solution to ensure all the users on his blockchain were given a unique identifier. His approach consisted of essentially leveraging the randomness of a user’s private key to ensure each identifier is unique. A disadvantage Bill...
Introduction When an API requires implementation details from the user, many developers use an interface for help. However, another way to allow developers to provide implementation details for an API is to accept a function instead. Go supports declaring function types which can...
In the first part of What’s New in Go 1.20, we looked at language changes. For part two, I would like to introduce three changes to the standard library that address problems that the community has been thinking about and debating solutions to for years. First of all, a whole...
As software engineers, we're constantly making detailed, elaborate plans for computers to execute. Isn't it weird that we rarely give a moment's thought to the program for our own careers?
Introduction In episode 14, Bill architected a solution to digitally sign the transactions on his blockchain. His solution retrieved the private key by : loading private key data from disk, parsing the key data and returning the ECDSA private key. The private key is then used to...
Introduction Google developed Go to be an alternative to C++ with the internet and scale in mind. Go’s toolchain automates tasks that are easily overlooked, and amongst those tasks is generating documentation. Go has the ability to generate documentation based on comments writt...
Introduction In episode 12, Bill laid out his strategy to handle data hashing on his blockchain. The first step he took was to create a package to handle the cryptographical aspects of his blockchain. After that, he wrote a hash function that met the requirements outlined in his...