block/bridge: refactor into general bridge block subsystem

app/terraform/block/bridge_reachability.py

@@ -0,0 +1,21 @@
+import datetime
+from typing import List
+
+from dateutil.parser import isoparse
+
+from app.terraform.block.bridge import BlockBridgeAutomation
+
+
+class BlockBridgeReachabilityAutomation(BlockBridgeAutomation):
+
+    _lines: List[str]
+
+    def parse(self):
+        for line in self._lines:
+            parts = line.split("\t")
+            if isoparse(parts[2]) < (datetime.datetime.now(datetime.timezone.utc)
+                                     - datetime.timedelta(days=3)):
+                # Skip results older than 3 days
+                continue
+            if int(parts[1]) < 40:
+                self.hashed_fingerprints.append(parts[0])