send alerts to slack (#127)

Send alerts to Slack if a bot token is defined.

- bump to python 3.13
- add github dependabot

Author: beefbrisket911

.github/dependabot.yml

@@ -0,0 +1,7 @@
+---
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/deploy.yaml

@@ -36,11 +36,3 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-
-      - uses: cowprotocol/autodeploy-action@v1
-        if: ${{ startsWith(github.ref, 'refs/tags/v') }}
-        with:
-          pods: "ebbo"
-          tag: ${{ secrets.AUTODEPLOY_TAG }}
-          url: ${{ secrets.AUTODEPLOY_URL }}
-          token: ${{ secrets.AUTODEPLOY_TOKEN }}

.github/workflows/pull_request.yaml

@@ -8,10 +8,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - name: Setup Python 3.12
+      - name: Setup Python 3.13
         uses: actions/setup-python@v3
         with:
-          python-version: '3.12'
+          python-version: '3.13'
       - name: Install Requirements
         run:
           pip install -r requirements.txt

Dockerfile

@@ -1,5 +1,6 @@
-FROM python:3.12
+FROM python:3.13-slim
 COPY requirements.txt .
 RUN python -m pip install -r requirements.txt
 COPY . .
-CMD python -m src.daemon
+
+ENTRYPOINT [ "python", "-m", "src.daemon" ]

requirements.txt

@@ -8,3 +8,4 @@ python-dotenv
 requests
 types-requests
 web3
+slack_sdk==3.34.0

src/daemon.py

@@ -1,4 +1,4 @@
-""" A daemon to run tests on settlements.
+"""A daemon to run tests on settlements.
 An infinite loop is started which listens to CoW Protocol trade events. If such an event happens,
 the correstonding transaction hash is added to the queue of the individual tests.
 

src/monitoring_tests/base_test.py

@@ -5,7 +5,9 @@
 
 # pylint: disable=logging-fstring-interpolation
 
+import os
 from abc import ABC, abstractmethod
+from slack_sdk import WebClient
 from src.helper_functions import get_logger
 
 
@@ -20,6 +22,9 @@ def __init__(self) -> None:
         self.tx_hashes: list[str] = []
         self.logger = get_logger()
 
+        if "SLACK_BOT_TOKEN" in os.environ:
+            self.slack_client = WebClient(token=os.environ["SLACK_BOT_TOKEN"])
+
     @abstractmethod
     def run(self, tx_hash: str) -> bool:
         """
@@ -58,3 +63,8 @@ def alert(self, msg: str) -> None:
         It must be implemented by all subclasses.
         """
         self.logger.error(msg)
+
+        if self.slack_client:
+            self.slack_client.chat_postMessage(
+                channel=os.environ.get("SLACK_CHANNEL", "#alerts-ebbo"), text=msg
+            )