add codegen (contracts, subgraph), order signing and order book API i…

…nterface

.env.example

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+USER_ADDRESS=
+PRIVATE_KEY=

.github/workflows/ci.yml

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+---
+name: CI
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches: main 
+  release:
+    types: [released]
+
+jobs:
+  ci:
+    runs-on: ubuntu-22.04
+    strategy:
+      matrix:
+        python-version: [
+          "3.10", "3.11", "3.12",
+        ]
+    timeout-minutes: 10
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Install Poetry
+        run: |
+          pipx install poetry
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: poetry
+          cache-dependency-path: poetry.lock
+
+      - name: Poetry lock
+        run: |
+          poetry lock
+
+      - name: Install dependencies
+        run: |
+          poetry install
+
+      - name: Typecheck
+        run: |
+          poetry run pyright .
+
+      - name: Lint
+        run: |
+          poetry run ruff check .
+
+      - name: Test
+        run: |
+          poetry run pytest tests/
+
+      - name: Build sdist
+        run: |
+          poetry build -f sdist
+
+      - name: Archive production artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: wheels
+          path: |
+            dist
+
+      - name: Display structure of downloaded files
+        run: |
+          ls -R
+        working-directory: ./
+
+      - run: |
+          poetry config repositories.testpypi https://test.pypi.org/legacy/
+      - run: |
+          poetry config pypi-token.testpypi ${{ secrets.TEST_PYPI_TOKEN }}
+
+      - name: Publish package (test)
+        run: |
+          poetry publish --no-interaction --dry-run -r testpypi -vvv
+
+      - if: github.event_name == 'release'
+        run: poetry config pypi-token.pypi ${{ secrets.PYPI_TOKEN }}
+
+      - name: Publish package (prod)
+        if: github.event_name == 'release'
+        run: |
+          poetry publish --no-interaction -vvv

.pre-commit-config.yaml

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+repos:
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    # Ruff version.
+    rev: v0.3.7
+    hooks:
+      # Run the linter.
+      - id: ruff
+        args: [--fix]
+      # Run the formatter.
+      - id: ruff-format

CODEOWNERS

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+# This is a comment.
+# Each line is a file pattern followed by one or more owners.
+
+# These owners will be the default owners for everything in
+# the repo. Unless a later match takes precedence,
+# @global-owner1 and @global-owner2 will be requested for
+# review when someone opens a pull request.
+*       @mfw78

Makefile

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+.PHONY: codegen web3_codegen orderbook_codegen subgraph_codegen test lint format remove_unused_imports
+
+codegen: web3_codegen orderbook_codegen subgraph_codegen
+
+# web3_codegen:
+# 	poetry run web3_codegen
+
+orderbook_codegen:
+	poetry run datamodel-codegen --url="https://raw.githubusercontent.com/cowprotocol/services/v2.245.1/crates/orderbook/openapi.yml" --output cow_py/order_book/generated/model.py --target-python-version 3.12 --output-model-type pydantic_v2.BaseModel --input-file-type openapi
+
+subgraph_codegen:
+	poetry run ariadne-codegen
+
+test:
+	poetry run pytest -s
+
+lint:
+	poetry run ruff check . --fix
+
+format: remove_unused_imports
+	poetry run ruff format
+
+remove_unused_imports:
+	poetry run pycln --all .
+
+typecheck:
+	poetry run pyright