Solana Tutorial | Solana for Developers

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More detailed information at https://jamesbachini.com/solana-tutorial/

In this Solana tutorial for developers we look at how to build smart contracts on Solana.

00:00 Introduction & About Solana
00:17 How Solana Smart Contracts Work
01:20 Storing JSON data on Solana's blockchain
02:30 Developing Solana Smart Contracts With Rust
03:56 Building Using Linux & Cargo
04:53 Deploying Using NodeJS script
05:13 Conclusion & Comparisons With Solidity


There's more content about crypto, passive income and online business on my blog at https://jamesbachini.com/


Link to Solana labs github repository:
https://github.com/solana-labs

NPM module for SolanaJSON:
https://www.npmjs.com/package/solana-json


Github repository for SolanaJSON:
https://github.com/jamesbachini/Solana-JSON

Github repository for our Solana Hackathon entry:
https://github.com/JohnRSim/valholla

Solana official: https://solana.com

FTX exchange: https://ftx.com/#a=StartHere

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Solana is a high performance blockchain which can handle 50,000 transactions per second and has block times measured in microseconds. Today I'm going to demonstrate how to write, build and deploy smart contracts on Solana but first let's look at what makes Solana unique and how a smart contract is stored and executed.Whereas an Ethereum contract can store data internally a Solana smart contract is read-only or stateless. Once deployed it can be interacted with by 3rd party accounts that can store fixed amounts of data within that account. That data storage space is rented using the SOL token.This means we can deploy smart contract code to the data store of one account and get a public key for where that code is stored. A second account can then be created with a fixed and limited amount of disk space specifically to interact with that smart contract and store application data. So you would have one public key for the code (known as a programId) then another for the app itself.When developing smart contracts on Solana we need to carefully plan how we will store and use data. For example if we wanted to store two 32 bit integars we would set a storage space of 64 bits or 8 bytes. Then we would map the first four bytes to the first number and the second four to the second.This low level data management needs to be considered by the smart contract creator... and that's somewhat challenging. Before we get stuck into that let's look at a library I built for storing JSON data on the Solana blockchain.