Add basics/favorites/steel

basics/favorites/steel/Cargo.toml

@@ -0,0 +1,9 @@
+[workspace]
+members = ["api","program"]
+resolver = "2"
+
+[workspace.dependencies]
+solana-program = "1.18.17"
+steel = "2.0"
+bytemuck = "1.14"
+num_enum = "0.7"

basics/favorites/steel/api/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "favorites-steel-api"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate-type = ["cdylib", "lib"]
+
+[dependencies]
+solana-program.workspace = true
+steel.workspace = true
+bytemuck.workspace = true
+num_enum.workspace = true

basics/favorites/steel/api/src/consts.rs

@@ -0,0 +1 @@
+pub const FAVORITES_SEED: &[u8] = b"favorites";

basics/favorites/steel/api/src/instruction.rs

@@ -0,0 +1,63 @@
+use crate::{consts::*, state::*};
+use solana_program::msg;
+use std::ffi::CStr;
+use steel::*;
+
+#[repr(u8)]
+#[derive(Clone, Copy, Debug, Eq, PartialEq, TryFromPrimitive)]
+pub enum FavoritesInstruction {
+    SetFavorites = 0,
+}
+
+instruction!(FavoritesInstruction, SetFavorites);
+/// Init Instruction
+#[repr(C, packed)]
+#[derive(Clone, Copy, Debug, Pod, Zeroable)]
+pub struct SetFavorites {
+    favorites: Favorites,
+}
+
+impl SetFavorites {
+    pub fn process(accounts: &[AccountInfo], data: &[u8]) -> ProgramResult {
+        let favorites_data = bytemuck::try_from_bytes::<Favorites>(data)
+            .or(Err(ProgramError::InvalidInstructionData))?;
+
+        let [favorites_info, user, system_program] = accounts else {
+            return Err(ProgramError::NotEnoughAccountKeys);
+        };
+
+        favorites_info.is_writable()?;
+        favorites_info.has_seeds(&[FAVORITES_SEED, user.key.as_ref()], &crate::ID)?;
+
+        // if we have not created our favourites account, let us create it
+        if favorites_info.lamports() == 0 {
+            create_account::<Favorites>(
+                favorites_info,
+                system_program,
+                user,
+                &crate::ID,
+                &[FAVORITES_SEED, user.key.as_ref()],
+            )?;
+        }
+
+        let favorites = favorites_info.as_account_mut::<Favorites>(&crate::ID)?;
+
+        *favorites = *favorites_data;
+
+        let favorite_number = favorites.number;
+
+        msg!("Favorite number: {}", favorite_number);
+        msg!(
+            "Favorite color: {:?}",
+            CStr::from_bytes_until_nul(&favorites.color).unwrap()
+        );
+        for i in 0..favorites.hobbies.len() {
+            msg!(
+                "Favorite hobby {i}: {:?}",
+                CStr::from_bytes_until_nul(&favorites.hobbies[i]).unwrap()
+            );
+        }
+
+        Ok(())
+    }
+}

basics/favorites/steel/api/src/lib.rs

@@ -0,0 +1,13 @@
+pub mod consts;
+pub mod instruction;
+pub mod state;
+
+use steel::*;
+
+declare_id!("z7msBPQHDJjTvdQRoEcKyENgXDhSRYeHieN1ZMTqo35");
+
+pub mod prelude {
+    pub use crate::consts::*;
+    pub use crate::instruction::*;
+    pub use crate::state::*;
+}

basics/favorites/steel/api/src/state.rs

@@ -0,0 +1,16 @@
+use steel::*;
+
+#[repr(u8)]
+#[derive(Clone, Copy, Debug, Eq, PartialEq, IntoPrimitive, TryFromPrimitive)]
+pub enum SteelAccount {
+    Favorites = 0,
+}
+
+account!(SteelAccount, Favorites);
+#[repr(C, packed)]
+#[derive(Clone, Copy, Debug, PartialEq, Pod, Zeroable)]
+pub struct Favorites {
+    pub number: u64,
+    pub color: [u8; 48],
+    pub hobbies: [[u8; 48]; 5],
+}

basics/favorites/steel/cicd.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+# This script is for quick building & deploying of the program.
+# It also serves as a reference for the commands used for building & deploying Solana programs.
+# Run this bad boy with "bash cicd.sh" or "./cicd.sh"
+
+cargo build-sbf --manifest-path=./program/Cargo.toml --bpf-out-dir=./program/target/so
+solana program deploy ./program/target/so/program.so

basics/favorites/steel/package.json

@@ -0,0 +1,23 @@
+{
+  "scripts": {
+    "test": "pnpm ts-mocha -p ./tsconfig.json -t 1000000 ./tests/test.ts",
+    "build-and-test": "cargo build-sbf --manifest-path=./program/Cargo.toml --sbf-out-dir=./tests/fixtures && pnpm test",
+    "build": "cargo build-sbf --manifest-path=./program/Cargo.toml --sbf-out-dir=./program/target/so",
+    "deploy": "solana program deploy ./program/target/so/program.so"
+  },
+  "dependencies": {
+    "@solana/web3.js": "^1.95.4"
+  },
+  "devDependencies": {
+    "@types/bn.js": "^5.1.0",
+    "@types/chai": "^4.3.1",
+    "@types/mocha": "^10.0.9",
+    "@types/node": "^22.8.5",
+    "borsh": "0.7.0",
+    "chai": "^4.3.4",
+    "mocha": "^10.8.2",
+    "solana-bankrun": "^0.4.0",
+    "ts-mocha": "^10.0.0",
+    "typescript": "^5"
+  }
+}