Refactored tests

.github/workflows/ci.yaml

@@ -1,6 +1,6 @@
 name: CI
 
-on: [push]
+on: [push, pull_request]
 
 env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -27,6 +27,7 @@ jobs:
       fail-fast: false
       matrix:
         name:
+          - token
           - gauge
           - pools/exchange
           - pools/general
@@ -51,7 +52,7 @@ jobs:
 
       - name: Install Requirements
         run: |
-          pip install poetry==1.5.1
+          pip install poetry==1.8.3
           poetry config virtualenvs.in-project true
           poetry install --no-interaction --without dev
 
@@ -60,4 +61,8 @@ jobs:
           WEB3_PROVIDER_URL: ${{ secrets.WEB3_PROVIDER_URL }}
         run: |
           source .venv/bin/activate
-          pytest --numprocesses=auto tests/${{ matrix.name }}/
+          if [[ ${{ matrix.name }} == "pools/oracle" ]]; then
+            pytest --numprocesses=auto --dist=loadscope tests/${{ matrix.name }}/
+          else
+            pytest --numprocesses=auto tests/${{ matrix.name }}/
+          fi

.gitignore

@@ -155,3 +155,169 @@ scripts/experiments/get_p.py
 todo.txt
 AuditorComments.md
 set_env.py
+
+# test logs
+all_tests.log
+test_suite/test_reports/
+wip_diary.m# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+**/.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+profile-venv/
+profilingenv/
+ENV/
+env.bak/
+venv.bak/
+apeenv/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# eth-brownie/ape
+.history
+.build
+reports/
+
+# pycharm/vscode
+.DS_Store
+.idea
+**/.idea
+.vscode
+*.csv
+
+# misc
+/data
+todo.txt
+node_modules
+*.json
+/audits
+
+# temp
+docs/
+scripts/experiments/get_p.py
+.python-version
+todo.txt
+AuditorComments.md
+set_env.py
+
+# test logs
+all_tests.log
+test_suite/test_reports/
+wip_diary.mdd

.pre-commit-config.yaml

@@ -12,6 +12,7 @@ repos:
     hooks:
       - id: black
         args:
+          - --line-length=120
           - --skip-magic-trailing-comma
           - --target-version=py310
   - repo: https://github.com/PyCQA/flake8

README.md

@@ -24,7 +24,7 @@ See the [documentation](https://docs.curve.fi) for more detailed information.
 Install dependencies using poetry (python ^3.10.4)
 
 ```shell
-pip install poetry==1.5.1
+pip install poetry==1.8.3
 poetry install
 ```
 

contracts/mocks/ERC20Rebasing.vy

@@ -65,7 +65,6 @@ def allowance(_owner: address, _spender: address) -> uint256:
 def transfer(_to: address, _value: uint256) -> bool:
     self._rebase()
     _shares: uint256 = self._get_shares_by_coins(_value)
-
     self.shares[msg.sender] -= _shares
     self.shares[_to] += _shares
     log Transfer(msg.sender, _to, _value)
@@ -74,9 +73,13 @@ def transfer(_to: address, _value: uint256) -> bool:
 
 @external
 def transferFrom(_from: address, _to: address, _value: uint256) -> bool:
-    self._rebase()
     _shares: uint256 = self._get_shares_by_coins(_value)
     _shares = min(self.shares[_from], _shares)
+
+    if _shares > 0:
+        # only rebase on nonzero transfers
+        self._rebase()
+
     # Value can be less than expected even if self.shares[_from] > _shares
     _new_value: uint256 = self._get_coins_by_shares(_shares)
 
@@ -99,20 +102,20 @@ def approve(_spender: address, _value: uint256) -> bool:
 @view
 def _share_price() -> uint256:
     if self.totalShares == 0:
-        return 10 ** self.decimals
-    return self.totalCoin * 10 ** self.decimals / self.totalShares
+        return 10**self.decimals
+    return self.totalCoin * 10**self.decimals / self.totalShares
 
 
 @internal
 @view
 def _get_coins_by_shares(_shares: uint256) -> uint256:
-    return _shares * self._share_price() / 10 ** self.decimals
+    return _shares * self._share_price() / 10**self.decimals
 
 
 @internal
 @view
 def _get_shares_by_coins(_coins: uint256) -> uint256:
-    return _coins * 10 ** self.decimals / self._share_price()
+    return _coins * 10**self.decimals / self._share_price()
 
 
 @external