I’m learning solana and rust with the fascinating turorial by Rareskills. And I ran into many issues in the process, so I decided to made a daily log to record my solana journey and meet anyone who’s interesting in learning solana. Ps: most of the contents I wrote here cames from the tutorial by Rareskills, I’m recording the issues and how I fixed it during the study process.

Join my tg! :

Ok let’s dive in day1:

Install environments

Install rust and yarn

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
npm install --global yarn

Install Solana

sh -c "$(curl -sSfL https://release.solana.com/stable/install)"

Install Anchor(Solana devlopment frame)

cargo install --git https://github.com/coral-xyz/anchor avm --locked --force

avm install latest
avm use latest

Initialize and build an Anchor Program

anchor init day_1

Be sure to do: anchor init day_1, not anchor init day1, use day_1 instead of day1. Cuz Anchor seems to silently insert underscores on Mac machines sometimes. Im on wsl2 of windows and still have wired things happened when named my project with day1. The error goes:

Error: target/idl/day_1.json doesn't exist. Did you run `anchor build`?

Continue to build:

cd day1
anchor build

Another error:

error[E0658]: use of unstable library feature 'build_hasher_simple_hash_one'

The solution is:

cargo update -p ahash@0.8.9 --precise 0.8.6

Draft saved

Open Settings Panel

Publish

Remove header image

0x9B05…3771

0x9B05

Draft

Another error:

error: package solana-program v1.18.0 cannot be built because it requires rustc 1.72.0 or newer, while the currently active rustc version is 1.68.0-dev

The solution is:

cargo add solana-program@=1.17.0 
cargo update -p solana-program

Lets run anchor build again. And boom it build successfully!

anchor build

Configure Solana to run on localhost

solana config set --url localhost

Key sync

anchor keys sync

Run test:

anchor test --skip-local-validator

If everything went well, you’ll see:

Add logging hello world to the code

Let’s edit the code and add one line to lib.rs

nano ./programs/day_1/src/lib.rs

use anchor_lang::prelude::*;

declare_id!("...");

#[program]
pub mod day_1 {
    use super::*;

    pub fn initialize(ctx: Context<Initialize>) -> Result<()> {
        msg!("Hello, world!"); // **** NEW LINE HERE ****
        Ok(())
    }
}

#[derive(Accounts)]
pub struct Initialize {}

And run test again:

anchor test --skip-local-validator

List the log file and open it with nano

ls .anchor/program-logs/
# you'll see the file *****.log, open it
nano .anchor/program-logs/*****.log

You’ll see

That’s it! Thanks. Join my tg if you have any problems and wants to discuss with me