Note: As of the time of this writing (Monday, December 13, 2021), Solana’s testnet environment (faucet/airdrop) seems to be having issues. Please select the devnet on the selector (or just don’t change it, since is the default value). Remember to change your wallet to point to the devnet network. Note: all the code for this post can be found here. There’s a demo here showcasing the concepts in this post....
Note: All the code for this post can be found this github repo. A few days ago, I started playing with the Solana blockchain. I was initially interested because it was built on rust (I freaking love rust!). To explore it, I decided to build a basic point of sales (POS) for event tickets. I initially started reading the code on the Solana Program Library and experimenting but decided to go with Anchor just get started building something more quickly....
A while ago I realized that I was a visual learner which can be frustrating at times since some concepts might take me a bit longer to fully understand until I create the proper mental image(s) for it (or somebody else does it for me). When I started wrapping my head around Async programming in Rust I felt like I was missing some of those images. What follows is my attempt visualize the concepts around async programing....