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feat: issue #8 project scaffolding#9

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arunabha003 wants to merge 1 commit intoStabilityNexus:mainfrom
arunabha003:issue-8-project-scaffolding
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feat: issue #8 project scaffolding#9
arunabha003 wants to merge 1 commit intoStabilityNexus:mainfrom
arunabha003:issue-8-project-scaffolding

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@arunabha003 arunabha003 commented Feb 16, 2026

Addressed Issues:

Part of #8

What this PR does

  • Add Python project scaffolding with pyproject.toml
  • Add package layout under src/minichain
  • Add placeholder core modules (crypto, transaction, block, state, mempool, consensus, network, storage, node)
  • Add CI workflow and Makefile
  • Add baseline scaffold tests
  • Update .gitignore to keep local planning docs out of commits

Validation

  • python3 -m pytest -> passing
  • PYTHONPATH=src python3 -m minichain --host 0.0.0.0 --port 8000 -> scaffold node starts

Checklist

  • [x ] My PR addresses a single issue, fixes a single bug or makes a single improvement.
  • [ x] My code follows the project's code style and conventions.
  • [ x] If applicable, I have made corresponding changes or additions to the documentation.
  • [ x] If applicable, I have made corresponding changes or additions to tests.
  • [ x] My changes generate no new warnings or errors.
  • [ x] I have joined the Stability Nexus's Discord server and I will share a link to this PR with the project maintainers there.
  • [ x] I have read the Contribution Guidelines.
  • [ x] Once I submit my PR, CodeRabbit AI will automatically review it and I will address CodeRabbit's comments.

⚠️ AI Notice - Important!

We encourage contributors to use AI tools responsibly when creating Pull Requests. While AI can be a valuable aid, it is essential to ensure that your contributions meet the task requirements, build successfully, include relevant tests, and pass all linters. Submissions that do not meet these standards may be closed without warning to maintain the quality and integrity of the project. Please take the time to understand the changes you are proposing and their impact.

Summary by CodeRabbit

  • New Features

    • Added command-line interface to launch a MiniChain node with configurable host and port settings.
  • Documentation

    • Streamlined README with setup instructions and repository layout overview.
  • Chores

    • Established CI/CD pipeline for automated testing and linting.
    • Configured project build system and development tooling.
    • Added version and package metadata.

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coderabbitai bot commented Feb 16, 2026

Walkthrough

Establishes the initial MiniChain project structure with CI/CD automation, build configuration, package initialization, CLI entry point, placeholder modules for blockchain components, and basic tests. No functional logic is implemented; most core modules contain only docstrings for future development.

Changes

Cohort / File(s) Summary
CI/CD and Build Configuration
.github/workflows/ci.yml, Makefile, pyproject.toml
Adds GitHub Actions workflow for continuous integration (lint and test on push/PR), Makefile targets for install/test/lint/format/start-node, and project metadata with dependencies (PyNaCl), dev tools (pytest, ruff), and console script entry point.
Documentation and Git Configuration
README.md, .gitignore
Streamlines README with concise setup instructions and repository layout; expands .gitignore to exclude planning docs, build artifacts, Python caches, and virtual environments.
Core Package Structure
src/minichain/__init__.py, src/minichain/__main__.py, src/minichain/node.py
Initializes minichain package with version metadata, adds CLI entry point with host/port arguments, and introduces start_node function to launch a node server (placeholder implementation).
Placeholder Modules
src/minichain/block.py, src/minichain/consensus.py, src/minichain/crypto.py, src/minichain/mempool.py, src/minichain/network.py, src/minichain/state.py, src/minichain/storage.py, src/minichain/transaction.py
Establishes module structure with docstrings for future blockchain components: block primitives, consensus/mining, cryptographic identity, mempool, P2P networking, account state, persistent storage, and transaction handling.
Tests
tests/test_scaffold.py
Adds import validation tests for all core modules and CLI parser argument defaults (host: 127.0.0.1, port: 7000).

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Suggested labels

Python Lang, Make Lang, Documentation

Poem

🐰 A burrow of modules, all lined up with care,
Placeholder docstrings floating in air,
CI pipelines dance, Makefile hops with delight,
MiniChain sprouts roots—scaffolding done right! 🌱

🚥 Pre-merge checks | ✅ 3
✅ Passed checks (3 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title 'feat: issue #8 project scaffolding' clearly and directly summarizes the main change: establishing Python project scaffolding for issue #8, including package structure, core modules, CI workflow, and tests.
Merge Conflict Detection ✅ Passed ✅ No merge conflicts detected when merging into main

✏️ Tip: You can configure your own custom pre-merge checks in the settings.

✨ Finishing touches
  • 📝 Generate docstrings
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Post copyable unit tests in a comment

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Actionable comments posted: 6

🤖 Fix all issues with AI agents
Verify each finding against the current code and only fix it if needed.


In @.github/workflows/ci.yml:
- Around line 15-23: The CI step using the setup-python action (uses:
actions/setup-python@v5) should enable pip caching to avoid re-downloading
packages each run; update the "Setup Python" step to include the cache: "pip"
input on that action so the runner caches installed pip packages for subsequent
jobs and speeds up the "Install dependencies" step where pip installs project
dev dependencies.

In @.gitignore:
- Around line 265-271: Remove the unrelated LaTeX block from .gitignore: delete
all LaTeX-specific patterns (e.g., entries matching *.tex, *.bib, *.aux, *.log,
*.toc and other TeX/LaTeX temporary files) that were pulled in from a template,
and keep only the project-relevant entries such as the MiniChain local planning
docs header, the Python cache/virtualenv lines (__pycache__/, *.py[cod],
.pytest_cache/, .ruff_cache/, .venv/) and the docs/ entry; update the file so it
no longer contains the large LaTeX section and only retains those minimal,
project-specific ignore lines.

In `@Makefile`:
- Around line 1-21: Add a new Makefile target named clean that deletes common
Python/Cython build artifacts (e.g., __pycache__, *.py[cod], build/, dist/,
*.egg-info, .pytest_cache, .mypy_cache) using rm -rf patterns, and add clean to
the .PHONY list so it's treated as a phony target; update the Makefile by adding
the clean target (and its patterns) beneath the existing targets and appending
clean to the .PHONY declaration that currently lists install dev-install test
lint format start-node.

In `@pyproject.toml`:
- Around line 16-19: The network optional dependency currently lists the
non-existent package "py-libp2p>=0.2.0" under [project.optional-dependencies]
"network"; update that entry to use the canonical PyPI name "libp2p>=0.2.0"
(preserving the version specifier and string formatting) so `pip install
minichain[network]` correctly resolves the package.

In `@README.md`:
- Line 7: Update the README line that currently reads "Issue `#1` (project
scaffolding) is implemented with:" to reference the correct issue number for
this PR by replacing "Issue `#1`" with "Issue `#8`" so the documentation matches the
actual ticket; locate the exact text in README.md and modify the string literal
"Issue `#1`" to "Issue `#8`".

In `@tests/test_scaffold.py`:
- Around line 20-23: Replace the single loop-based
test_component_modules_are_importable with a parameterized pytest test so each
entry in COMPONENT_MODULES is its own case: use
`@pytest.mark.parametrize`("module", COMPONENT_MODULES) and rename the test to
something like test_component_module_is_importable(module), then inside
importlib.import_module(f"minichain.{module}") assert the result is not None;
reference the existing COMPONENT_MODULES constant and the current
test_component_modules_are_importable to locate where to change.

Comment on lines +15 to +23
- name: Setup Python
uses: actions/setup-python@v5
with:
python-version: "3.11"

- name: Install dependencies
run: |
python -m pip install --upgrade pip
python -m pip install -e .[dev]
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🧹 Nitpick | 🔵 Trivial

Consider adding pip caching to speed up CI.

Adding a cache: 'pip' option to the setup-python action avoids re-downloading packages on every run.

♻️ Suggested change
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
           python-version: "3.11"
+          cache: "pip"
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
- name: Setup Python
uses: actions/setup-python@v5
with:
python-version: "3.11"
- name: Install dependencies
run: |
python -m pip install --upgrade pip
python -m pip install -e .[dev]
- name: Setup Python
uses: actions/setup-python@v5
with:
python-version: "3.11"
cache: "pip"
- name: Install dependencies
run: |
python -m pip install --upgrade pip
python -m pip install -e .[dev]
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In @.github/workflows/ci.yml around lines 15 - 23, The CI step using the
setup-python action (uses: actions/setup-python@v5) should enable pip caching to
avoid re-downloading packages each run; update the "Setup Python" step to
include the cache: "pip" input on that action so the runner caches installed pip
packages for subsequent jobs and speeds up the "Install dependencies" step where
pip installs project dev dependencies.

Comment on lines +265 to +271
# Python caches and virtualenvs
__pycache__/
*.py[cod]
.pytest_cache/
.ruff_cache/
.venv/

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⚠️ Potential issue | 🟡 Minor

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
# Check for LaTeX source files in the repository
fd -e tex -e bib --max-depth 3

Repository: StabilityNexus/MiniChain

Length of output: 50


🏁 Script executed:

# Check the .gitignore file size and structure
wc -l .gitignore

# Show lines around 265-271 to verify the Python patterns
sed -n '260,280p' .gitignore | cat -n

# Show the beginning of the file to check what patterns are there
head -50 .gitignore | cat -n

Repository: StabilityNexus/MiniChain

Length of output: 1493


🏁 Script executed:

# Show lines 265-271 specifically
sed -n '265,271p' .gitignore | cat -n

Repository: StabilityNexus/MiniChain

Length of output: 207


🏁 Script executed:

# Check project structure
ls -la | head -20

# Check for documentation about LaTeX/documentation building
find . -maxdepth 2 -type f \( -name "README*" -o -name "Makefile" -o -name "setup.py" -o -name "pyproject.toml" \) | head -10

Repository: StabilityNexus/MiniChain

Length of output: 1144


🏁 Script executed:

# Check if Python patterns appear multiple times in the file
grep -n "# Python caches and virtualenvs" .gitignore

# Show the entire .gitignore structure to understand the organization
cat -n .gitignore

Repository: StabilityNexus/MiniChain

Length of output: 6028


Remove unnecessary LaTeX patterns from .gitignore.

The Python patterns at lines 265-271 are correct and appropriate. However, the .gitignore file contains 260+ lines of LaTeX-specific patterns (lines 1-260, 272-337), yet no .tex or .bib files exist anywhere in this Python project. This .gitignore appears to be an unmodified LaTeX template.

Remove the entire LaTeX section to reduce file bloat and maintain clarity. Keep only:

  • Lines 1-5: MiniChain local planning docs
  • Lines 265-271: Python caches and virtualenvs
  • Line 340: docs/

This will reduce .gitignore from 340 lines to ~13 lines while removing dead code that serves no purpose for this project.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In @.gitignore around lines 265 - 271, Remove the unrelated LaTeX block from
.gitignore: delete all LaTeX-specific patterns (e.g., entries matching *.tex,
*.bib, *.aux, *.log, *.toc and other TeX/LaTeX temporary files) that were pulled
in from a template, and keep only the project-relevant entries such as the
MiniChain local planning docs header, the Python cache/virtualenv lines
(__pycache__/, *.py[cod], .pytest_cache/, .ruff_cache/, .venv/) and the docs/
entry; update the file so it no longer contains the large LaTeX section and only
retains those minimal, project-specific ignore lines.

Comment on lines +1 to +21
PYTHON ?= python3

.PHONY: install dev-install test lint format start-node

install:
$(PYTHON) -m pip install .

dev-install:
$(PYTHON) -m pip install -e .[dev]

test:
$(PYTHON) -m pytest

lint:
$(PYTHON) -m ruff check src tests

format:
$(PYTHON) -m ruff format src tests

start-node:
PYTHONPATH=src $(PYTHON) -m minichain --host 127.0.0.1 --port 7000
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🧹 Nitpick | 🔵 Trivial

Add a clean target to remove build artifacts.

As the project grows, __pycache__, .egg-info, .pytest_cache, and other artifacts will accumulate. A clean target is a standard convenience for development workflows.

♻️ Suggested addition
-.PHONY: install dev-install test lint format start-node
+.PHONY: install dev-install test lint format start-node clean

+clean:
+	find . -type d -name __pycache__ -exec rm -rf {} +
+	rm -rf .pytest_cache *.egg-info src/*.egg-info dist build
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
PYTHON ?= python3
.PHONY: install dev-install test lint format start-node
install:
$(PYTHON) -m pip install .
dev-install:
$(PYTHON) -m pip install -e .[dev]
test:
$(PYTHON) -m pytest
lint:
$(PYTHON) -m ruff check src tests
format:
$(PYTHON) -m ruff format src tests
start-node:
PYTHONPATH=src $(PYTHON) -m minichain --host 127.0.0.1 --port 7000
PYTHON ?= python3
.PHONY: install dev-install test lint format start-node clean
install:
$(PYTHON) -m pip install .
dev-install:
$(PYTHON) -m pip install -e .[dev]
test:
$(PYTHON) -m pytest
lint:
$(PYTHON) -m ruff check src tests
format:
$(PYTHON) -m ruff format src tests
start-node:
PYTHONPATH=src $(PYTHON) -m minichain --host 127.0.0.1 --port 7000
clean:
find . -type d -name __pycache__ -exec rm -rf {} +
rm -rf .pytest_cache *.egg-info src/*.egg-info dist build
🧰 Tools
🪛 checkmake (0.2.2)

[warning] 3-3: Missing required phony target "all"

(minphony)


[warning] 3-3: Missing required phony target "clean"

(minphony)

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@Makefile` around lines 1 - 21, Add a new Makefile target named clean that
deletes common Python/Cython build artifacts (e.g., __pycache__, *.py[cod],
build/, dist/, *.egg-info, .pytest_cache, .mypy_cache) using rm -rf patterns,
and add clean to the .PHONY list so it's treated as a phony target; update the
Makefile by adding the clean target (and its patterns) beneath the existing
targets and appending clean to the .PHONY declaration that currently lists
install dev-install test lint format start-node.

Comment on lines +16 to +19
[project.optional-dependencies]
network = [
"py-libp2p>=0.2.0",
]
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⚠️ Potential issue | 🟠 Major

🧩 Analysis chain

🌐 Web query:

py-libp2p PyPI package

💡 Result:

On PyPI, py-libp2p is published under the package name libp2p (Python implementation of the libp2p networking stack). The latest listed release is 0.5.0 (Dec 21, 2025). [1]

Install:

pip install libp2p

[1]


Fix incorrect package name in network dependencies.

The package py-libp2p does not exist on PyPI. The canonical package name is libp2p. Change py-libp2p>=0.2.0 to libp2p>=0.2.0 to ensure pip install minichain[network] works correctly.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@pyproject.toml` around lines 16 - 19, The network optional dependency
currently lists the non-existent package "py-libp2p>=0.2.0" under
[project.optional-dependencies] "network"; update that entry to use the
canonical PyPI name "libp2p>=0.2.0" (preserving the version specifier and string
formatting) so `pip install minichain[network]` correctly resolves the package.


<!-- Organization Name -->
<div align="center">
Issue #1 (project scaffolding) is implemented with:
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⚠️ Potential issue | 🟡 Minor

Incorrect issue reference.

This says "Issue #1" but the PR is for Issue #8 (project scaffolding).

-Issue `#1` (project scaffolding) is implemented with:
+Issue `#8` (project scaffolding) is implemented with:
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
Issue #1 (project scaffolding) is implemented with:
Issue `#8` (project scaffolding) is implemented with:
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@README.md` at line 7, Update the README line that currently reads "Issue `#1`
(project scaffolding) is implemented with:" to reference the correct issue
number for this PR by replacing "Issue `#1`" with "Issue `#8`" so the documentation
matches the actual ticket; locate the exact text in README.md and modify the
string literal "Issue `#1`" to "Issue `#8`".

Comment on lines +20 to +23
def test_component_modules_are_importable() -> None:
for module in COMPONENT_MODULES:
imported = importlib.import_module(f"minichain.{module}")
assert imported is not None
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🧹 Nitpick | 🔵 Trivial

Parametrize the import test for better failure diagnostics.

If one module fails to import, pytest will report a single failure with no indication of which module caused it. Using @pytest.mark.parametrize gives each module its own test case.

♻️ Suggested refactor
-def test_component_modules_are_importable() -> None:
-    for module in COMPONENT_MODULES:
-        imported = importlib.import_module(f"minichain.{module}")
-        assert imported is not None
+import pytest
+
+@pytest.mark.parametrize("module", COMPONENT_MODULES)
+def test_component_modules_are_importable(module: str) -> None:
+    imported = importlib.import_module(f"minichain.{module}")
+    assert imported is not None
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@tests/test_scaffold.py` around lines 20 - 23, Replace the single loop-based
test_component_modules_are_importable with a parameterized pytest test so each
entry in COMPONENT_MODULES is its own case: use
`@pytest.mark.parametrize`("module", COMPONENT_MODULES) and rename the test to
something like test_component_module_is_importable(module), then inside
importlib.import_module(f"minichain.{module}") assert the result is not None;
reference the existing COMPONENT_MODULES constant and the current
test_component_modules_are_importable to locate where to change.

@arunabha003
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Superseded by #10 . Closing this PR to keep review history in one place.

@arunabha003 arunabha003 reopened this Feb 16, 2026
@arunabha003
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Superseded by #10 . Closing this PR to keep review history in one place.

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