Add is connected status to skill context

aea/aea.py

@@ -72,6 +72,7 @@ def __init__(self, name: str,
                                      self.wallet.public_keys,
                                      self.wallet.addresses,
                                      ledger_apis,
+                                     self.mailbox.is_connected,
                                      self.outbox,
                                      self.decision_maker.message_in_queue,
                                      self.decision_maker.ownership_state,

aea/context/base.py

@@ -34,6 +34,7 @@ def __init__(self, agent_name: str,
                  public_keys: Dict[str, str],
                  addresses: Dict[str, str],
                  ledger_apis: LedgerApis,
+                 is_connected: bool,
                  outbox: OutBox,
                  decision_maker_message_queue: Queue,
                  ownership_state: OwnershipState,
@@ -45,6 +46,7 @@ def __init__(self, agent_name: str,
         :param agent_name: the agent's name
         :param public_keys: the public keys of the agent
         :param ledger_apis: the ledger apis
+        :param is_connected: the connection status
         :param outbox: the outbox
         :param decision_maker_message_queue: the (in) queue of the decision maker
         :param ownership_state: the ownership state of the agent
@@ -55,6 +57,7 @@ def __init__(self, agent_name: str,
         self._public_keys = public_keys
         self._addresses = addresses
         self._ledger_apis = ledger_apis
+        self._is_connected = is_connected
         self._outbox = outbox
         self._decision_maker_message_queue = decision_maker_message_queue
         self._ownership_state = ownership_state
@@ -86,6 +89,11 @@ def public_key(self) -> str:
         """Get the default public key."""
         return self._public_keys['default']
 
+    @property
+    def is_connected(self) -> bool:
+        """Get connection status."""
+        return self._is_connected
+
     @property
     def outbox(self) -> OutBox:
         """Get outbox."""

aea/skills/base.py

@@ -78,6 +78,11 @@ def agent_address(self) -> str:
         """Get address."""
         return self._agent_context.address
 
+    @property
+    def is_connected(self) -> bool:
+        """Get connection status."""
+        return self._agent_context.is_connected
+
     @property
     def outbox(self) -> OutBox:
         """Get outbox."""

tests/test_aea.py

@@ -52,6 +52,7 @@ def test_initialise_AEA():
     ledger_apis = LedgerApis({})
     my_AEA = AEA("Agent0", mailbox1, wallet, ledger_apis, resources=Resources(str(Path(CUR_PATH, "aea"))))
     assert my_AEA.context == my_AEA._context, "Cannot access the Agent's Context"
+    assert not my_AEA.context.is_connected, "AEA should not be connected."
     my_AEA.setup()
     assert my_AEA.resources is not None,\
         "Resources must not be None after setup"