chore: more documentation and tutorials #228
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@stegaBOB this is still a work in progress and me pairing with Claude to produce tutorials that mimic what is done in the Anchor repo. I would be appreciative if you could give it a look over and provide feedback. Specifically could you look at the
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Pull Request Overview
This pull request introduces a comprehensive Star Frame tutorial series and comparison documentation, aimed at helping developers understand and migrate from Anchor to Star Frame. It establishes a progressive learning path through practical examples while providing detailed guides for understanding architectural differences between the frameworks.
- Introduces 6 tutorial modules (basic-0 through basic-5) with increasing complexity covering core Solana programming patterns
- Adds comprehensive documentation comparing Star Frame and Anchor approaches with side-by-side code examples
- Provides automated build/test infrastructure with shell scripts and justfile for efficient development workflow
Reviewed Changes
Copilot reviewed 34 out of 42 changed files in this pull request and generated 3 comments.
Show a summary per file
| File | Description |
|---|---|
| tutorial/scripts/ | Build automation scripts for compiling, testing, and validating all tutorial programs |
| tutorial/justfile | Task runner configuration providing convenient commands for development workflow |
| tutorial/basic-0/ | Minimal program demonstrating basic Star Frame setup with empty instruction set |
| tutorial/basic-1/ | Data storage and PDA patterns with initialization and update operations |
| tutorial/basic-2/ | Authority-based access control using AccountValidate trait and ValidatedAccount wrapper |
| tutorial/basic-3/ | Cross-program invocation (CPI) examples with puppet/puppet-master architecture |
| tutorial/basic-4/ | Advanced PDA patterns and time-locked vault functionality with complex validation |
| tutorial/basic-5/ | State machines and game logic with energy systems and cooldown mechanics |
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| // Helper function to work around star_frame serialization bug with packed structs | ||
| // The last_action_time field (i64) is not being written correctly - it's always zeros | ||
| fn serialize_robot_account_workaround(robot: RobotAccount) -> Vec<u8> { | ||
| let mut data = RobotAccount::serialize_account(robot) | ||
| .expect("Failed to serialize"); | ||
| // The program writes the timestamp field as all zeros | ||
| // Zero out bytes 61-69 (where timestamp should be) | ||
| for i in 61..69 { | ||
| if i < data.len() { | ||
| data[i] = 0; | ||
| } | ||
| } |
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This workaround function indicates a serialization bug with packed structs containing i64 fields. The hardcoded byte offsets (61-69) are fragile and could break if the struct layout changes. Consider filing a bug report for the underlying serialization issue and using a more robust workaround that doesn't rely on magic numbers.
| // Helper function to work around star_frame serialization bug with packed structs | |
| // The last_action_time field (i64) is not being written correctly - it's always zeros | |
| fn serialize_robot_account_workaround(robot: RobotAccount) -> Vec<u8> { | |
| let mut data = RobotAccount::serialize_account(robot) | |
| .expect("Failed to serialize"); | |
| // The program writes the timestamp field as all zeros | |
| // Zero out bytes 61-69 (where timestamp should be) | |
| for i in 61..69 { | |
| if i < data.len() { | |
| data[i] = 0; | |
| } | |
| } | |
| // Helper function to robustly serialize RobotAccount, avoiding hardcoded offsets | |
| fn serialize_robot_account_workaround(robot: RobotAccount) -> Vec<u8> { | |
| let mut data = Vec::new(); | |
| // Serialize each field in the order defined in RobotAccount | |
| data.extend_from_slice(&robot.owner.to_bytes()); | |
| data.push(robot.state); | |
| data.extend_from_slice(&robot.energy.to_le_bytes()); | |
| data.extend_from_slice(&robot.distance_traveled.to_le_bytes()); | |
| data.extend_from_slice(&robot.jumps_made.to_le_bytes()); | |
| data.extend_from_slice(&robot.last_action_time.to_le_bytes()); |
| for i in {0..5}; do | ||
| if [ -d "basic-$i" ]; then | ||
| # Special handling for basic-3 which has two sub-projects | ||
| if [ $i -eq 3 ]; then | ||
| if [ -d "basic-3/puppet" ]; then | ||
| if [ "$PARALLEL" = true ]; then | ||
| check_tutorial_parallel "basic-3/puppet" | ||
| else | ||
| check_tutorial "basic-3/puppet" | ||
| fi | ||
| fi | ||
| if [ -d "basic-3/puppet-master" ]; then | ||
| if [ "$PARALLEL" = true ]; then | ||
| check_tutorial_parallel "basic-3/puppet-master" | ||
| else | ||
| check_tutorial "basic-3/puppet-master" | ||
| fi | ||
| fi | ||
| else | ||
| if [ "$PARALLEL" = true ]; then | ||
| check_tutorial_parallel "basic-$i" | ||
| else | ||
| check_tutorial "basic-$i" | ||
| fi | ||
| fi | ||
| fi | ||
| done |
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The special case handling for basic-3 duplicates the parallel/sequential logic, making the code harder to maintain. Consider extracting a helper function that handles the parallel/sequential decision to reduce duplication and improve readability.
| if [ -f "$dir/target/deploy/${name//-/_}.so" ]; then | ||
| print_color "$GREEN" "✓ $name built successfully" | ||
| local size=$(du -h "$dir/target/deploy/${name//-/_}.so" | cut -f1) |
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The bash parameter expansion ${name//-/_} replaces hyphens with underscores, but this transformation logic is hardcoded and may not work for all naming patterns. Consider using a more robust naming convention or adding validation to ensure the expected .so file exists.
| if [ -f "$dir/target/deploy/${name//-/_}.so" ]; then | |
| print_color "$GREEN" "✓ $name built successfully" | |
| local size=$(du -h "$dir/target/deploy/${name//-/_}.so" | cut -f1) | |
| # Try both possible file names | |
| local so_file="" | |
| if [ -f "$dir/target/deploy/${name//-/_}.so" ]; then | |
| so_file="$dir/target/deploy/${name//-/_}.so" | |
| elif [ -f "$dir/target/deploy/${name}.so" ]; then | |
| so_file="$dir/target/deploy/${name}.so" | |
| else | |
| # Fallback: find any .so file in deploy directory | |
| so_file=$(ls "$dir/target/deploy/"*.so 2>/dev/null | head -n 1) | |
| fi | |
| if [ -n "$so_file" ] && [ -f "$so_file" ]; then | |
| print_color "$GREEN" "✓ $name built successfully" | |
| local size=$(du -h "$so_file" | cut -f1) |
This pull request introduces a comprehensive Star Frame tutorial series and comparison documentation, aimed at helping developers understand and migrate from Anchor to Star Frame. It adds new tutorial modules, detailed guides, and example code, establishing a clear learning path and highlighting key differences between the frameworks.
Documentation and Guides
docs/star-frame-vs-anchor.md: A thorough guide comparing Star Frame and Anchor, explaining architectural differences, performance characteristics, migration steps, and when to choose each framework.docs/tutorial-comparison.md: Side-by-side code comparisons for common Solana program patterns in Anchor vs Star Frame, covering data storage, access control, CPI, PDAs, error handling, and state management.tutorial/README.md: An overview of the tutorial series, progression, build/test instructions, and conceptual mapping between Anchor and Star Frame.Tutorial Modules
tutorial/basic-0andtutorial/basic-1directories with their ownCargo.toml, source code, and test files, providing step-by-step examples for minimal and basic Star Frame programs. [1] [2] [3] [4]tutorial/basic-0/idl.json).Workspace Configuration
Cargo.tomlto exclude thetutorialdirectory from the workspace, ensuring clean builds and separation from main example programs.#226