Splice in project template

I tried to merge it so that future updates from the template will be
much easier.

The template is hosted at:
https://github.com/ethereum/ethereum-python-project-template

Makefile

@@ -1,3 +1,17 @@
+CURRENT_SIGN_SETTING := $(shell git config commit.gpgSign)
+
+.PHONY: clean-pyc clean-build docs
+
+help:
+	@echo "clean-build - remove build artifacts"
+	@echo "clean-pyc - remove Python file artifacts"
+	@echo "lint - check style with flake8, etc"
+	@echo "lint-roll - auto-correct styles with isort, black, docformatter, etc"
+	@echo "test - run tests quickly with the default Python"
+	@echo "testall - run tests on every Python version with tox"
+	@echo "release - package and upload a release"
+	@echo "dist - package"
+
 FILES_TO_LINT = libp2p tests tests_interop examples setup.py
 PB = libp2p/crypto/pb/crypto.proto \
 	libp2p/pubsub/pb/rpc.proto \
@@ -10,18 +24,6 @@ PYI = $(PB:.proto=_pb2.pyi)
 # Set default to `protobufs`, otherwise `format` is called when typing only `make`
 all: protobufs
 
-format:
-	black $(FILES_TO_LINT)
-	isort --recursive $(FILES_TO_LINT)
-	docformatter -ir --pre-summary-newline $(FILES_TO_LINT)
-
-lintroll:
-	mypy -p libp2p -p examples --config-file mypy.ini
-	black --check $(FILES_TO_LINT)
-	isort --recursive --check-only $(FILES_TO_LINT)
-	docformatter --pre-summary-newline --check --recursive $(FILES_TO_LINT)
-	flake8 $(FILES_TO_LINT)
-
 protobufs: $(PY)
 
 %_pb2.py: %.proto
@@ -30,12 +32,81 @@ protobufs: $(PY)
 clean-proto:
 	rm -f $(PY) $(PYI)
 
-clean:
-	find . -name '__pycache__' -exec rm -rf {} +
+clean: clean-build clean-pyc
+
+clean-build:
 	rm -fr build/
 	rm -fr dist/
 	rm -fr *.egg-info
 
+clean-pyc:
+	find . -name '*.pyc' -exec rm -f {} +
+	find . -name '*.pyo' -exec rm -f {} +
+	find . -name '*~' -exec rm -f {} +
+	find . -name '__pycache__' -exec rm -rf {} +
+
+lint:
+	mypy -p libp2p -p examples --config-file mypy.ini
+	flake8 $(FILES_TO_LINT)
+	black --check $(FILES_TO_LINT)
+	isort --recursive --check-only --diff $(FILES_TO_LINT)
+	docformatter --pre-summary-newline --check --recursive $(FILES_TO_LINT)
+	tox -elint  # This is probably redundant, but just in case...
+
+lint-roll:
+	isort --recursive $(FILES_TO_LINT)
+	black $(FILES_TO_LINT)
+	docformatter -ir --pre-summary-newline $(FILES_TO_LINT)
+	$(MAKE) lint
+
+test:
+	pytest tests
+
+test-all:
+	tox
+
+build-docs:
+	sphinx-apidoc -o docs/ . setup.py "*conftest*"
+	$(MAKE) -C docs clean
+	$(MAKE) -C docs html
+	$(MAKE) -C docs doctest
+	./newsfragments/validate_files.py
+	towncrier --draft --version preview
+
+docs: build-docs
+	open docs/_build/html/index.html
+
+linux-docs: build-docs
+	xdg-open docs/_build/html/index.html
+
 package: clean
 	python setup.py sdist bdist_wheel
 	python scripts/release/test_package.py
+
+notes:
+	# Let UPCOMING_VERSION be the version that is used for the current bump
+	$(eval UPCOMING_VERSION=$(shell bumpversion $(bump) --dry-run --list | grep new_version= | sed 's/new_version=//g'))
+	# Now generate the release notes to have them included in the release commit
+	towncrier --yes --version $(UPCOMING_VERSION)
+	# Before we bump the version, make sure that the towncrier-generated docs will build
+	make build-docs
+	git commit -m "Compile release notes"
+
+release: clean
+	# require that you be on a branch that's linked to upstream/master
+	git status -s -b | head -1 | grep "\.\.upstream/master"
+	# verify that docs build correctly
+	./newsfragments/validate_files.py is-empty
+	make build-docs
+	CURRENT_SIGN_SETTING=$(git config commit.gpgSign)
+	git config commit.gpgSign true
+	bumpversion $(bump)
+	git push upstream && git push upstream --tags
+	python setup.py sdist bdist_wheel
+	twine upload dist/*
+	git config commit.gpgSign "$(CURRENT_SIGN_SETTING)"
+
+
+dist: clean
+	python setup.py sdist bdist_wheel
+	ls -l dist