Add GUI debug panel to show trust edges

Tribler/Core/Modules/restapi/multichain_endpoint.py

@@ -13,7 +13,7 @@ class MultichainEndpoint(resource.Resource):
     def __init__(self, session):
         resource.Resource.__init__(self)
 
-        child_handler_dict = {"statistics": MultichainStatsEndpoint}
+        child_handler_dict = {"statistics": MultichainStatsEndpoint, "trust-edges": MultichainTrustEdgesEndpoint}
 
         for path, child_cls in child_handler_dict.iteritems():
             self.putChild(path, child_cls(session))
@@ -75,3 +75,65 @@ def render_GET(self, request):
             return json.dumps({"error": "multichain community not found"})
 
         return json.dumps({'statistics': mc_community.get_statistics()})
+
+
+class MultichainTrustEdgesEndpoint(resource.Resource):
+    """
+    This class handles requests regarding the trusted live edges information.
+    """
+
+    def __init__(self, session):
+        resource.Resource.__init__(self)
+        self.session = session
+
+    def get_multichain_community(self):
+        """
+        Search for the multichain community in the dispersy communities.
+        """
+        for community in self.session.get_dispersy_instance().get_communities():
+            if isinstance(community, MultiChainCommunity):
+                return community
+        return None
+
+    def render_GET(self, request):
+        """
+        .. http:get:: /multichain/trust-edges
+
+        A GET request to this endpoint returns information about the current trusted live edges
+
+            **Example request**:
+
+            .. sourcecode:: none
+
+                curl -X GET http://localhost:8085/multichain/trust-edges
+
+            **Example response**:
+
+            .. sourcecode:: javascript
+
+                {
+                    "trust-edges":
+                    [
+                        {
+                            "id": "MEAwEAYHKoZIzj0CAQYFK4EEAAEDLAAEBF7U/0J3rIkVWoxRMUetPKzU41BbAuFggbJONKz5xDUk\nTx3dMqdzkFHY",
+                            "number_of_blocks": 0,
+                            "last_block_time": "Never",
+                            "node_type": "Bootstrap"
+                        },
+
+                        {
+                            "id": "MEAwEAYHKoZIzj0CAQYFK4EEAAEDLAAEBV/QD6bccykf3vtqf2dDnKtk9U0PBHqKPWUb9LWxWBVo\nl6A7qQubezMJ",
+                            "number_of_blocks": 0,
+                            "last_block_time": "2020-01-20 15:15:15",
+                            "node_type": "default"
+                        }
+                    ]
+                }
+
+        """
+        mc_community = self.get_multichain_community()
+        if not mc_community:
+            request.setResponseCode(http.NOT_FOUND)
+            return json.dumps({"error": "multichain community not found"})
+
+        return json.dumps({'trust-edges': mc_community.get_trusted_edges()})

Tribler/community/multichain/community.py

@@ -387,6 +387,27 @@ def get_statistics(self):
             statistics["latest_block_down_mb"] = ""
         return statistics
 
+    @blocking_call_on_reactor_thread
+    def get_trusted_edges(self):
+        trust_edges = []
+        for candidate in self._trusted_candidates.items() + filter(lambda x: x[0] in Bootstrap.get_default_addresses(), self.candidates.items()):
+            if candidate[1].get_member():
+                candidate_info = OrderedDict()
+                candidate_public_key = candidate[1].get_member().public_key
+                candidate_info["id"] = base64.encodestring(candidate_public_key).strip()
+                blocks = self.persistence.get_full_blocks_between(self.my_member.public_key, candidate_public_key)
+                candidate_info["number_of_blocks"] = len(blocks)
+                if blocks:
+                    candidate_info["last_block_time"] = blocks[-1].insert_time
+                else:
+                    candidate_info["last_block_time"] = u"Never"
+                if candidate[0] in Bootstrap.get_default_addresses():
+                    candidate_info["node_type"] = u"Bootstrap"
+                else:
+                    candidate_info["node_type"] = u"default"
+                trust_edges.append(candidate_info)
+        return trust_edges
+
     def _get_next_total(self, up, down):
         """
         Returns the next total numbers of up and down incremented with the current interaction up and down metric.

TriblerGUI/debug_window.py

@@ -42,8 +42,10 @@ def tab_changed(self, index):
         elif index == 2:
             self.load_multichain_tab()
         elif index == 3:
-            self.dispersy_tab_changed(self.window().dispersy_tab_widget.currentIndex())
+            self.load_trust_edges_tab()
         elif index == 4:
+            self.dispersy_tab_changed(self.window().dispersy_tab_widget.currentIndex())
+        elif index == 5:
             self.load_events_tab()
 
     def dispersy_tab_changed(self, index):
@@ -58,6 +60,16 @@ def create_and_add_widget_item(self, key, value, widget):
         item.setText(1, "%s" % value)
         widget.addTopLevelItem(item)
 
+    def create_and_add_widget_peer(self, values, widget):
+        assert isinstance(values, dict)
+        assert len(values) == 4
+        item = QTreeWidgetItem(widget)
+        item.setText(0, "%s" % values["id"])
+        item.setText(1, "%s" % values["number_of_blocks"])
+        item.setText(2, "%s" % values["last_block_time"])
+        item.setText(3, "%s" % values["node_type"])
+        widget.addTopLevelItem(item)
+
     def load_general_tab(self):
         self.request_mgr = TriblerRequestManager()
         self.request_mgr.perform_request("statistics/tribler", self.on_tribler_statistics)
@@ -94,6 +106,16 @@ def on_multichain_statistics(self, data):
         for key, value in data["statistics"].iteritems():
             self.create_and_add_widget_item(key, value, self.window().multichain_tree_widget)
 
+    def load_trust_edges_tab(self):
+        self.request_mgr = TriblerRequestManager()
+        self.request_mgr.perform_request("multichain/trust-edges", self.on_trust_edges)
+
+    def on_trust_edges(self, data):
+        self.window().trust_edges_tree_widget.clear()
+        for candidate in data["trust-edges"]:
+            self.create_and_add_widget_peer(candidate, self.window().trust_edges_tree_widget)
+
+
     def load_dispersy_general_tab(self):
         self.request_mgr = TriblerRequestManager()
         self.request_mgr.perform_request("statistics/dispersy", self.on_dispersy_general_stats)

TriblerGUI/qt_resources/debugwindow.ui

@@ -155,6 +155,58 @@
        </layout>
       </widget>
       <widget class="QWidget" name="tab_4">
+       <attribute name="title">
+        <string>Trust Edges</string>
+       </attribute>
+       <layout class="QVBoxLayout" name="verticalLayout_2">
+        <property name="spacing">
+         <number>0</number>
+        </property>
+        <property name="leftMargin">
+         <number>0</number>
+        </property>
+        <property name="topMargin">
+         <number>0</number>
+        </property>
+        <property name="rightMargin">
+         <number>0</number>
+        </property>
+        <property name="bottomMargin">
+         <number>0</number>
+        </property>
+        <item>
+         <widget class="QTreeWidget" name="trust_edges_tree_widget">
+          <property name="columnCount">
+           <number>4</number>
+          </property>
+          <attribute name="headerDefaultSectionSize">
+           <number>200</number>
+          </attribute>
+          <column>
+           <property name="text">
+            <string>ID</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Shared Records</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Last Record</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Node Type</string>
+           </property>
+          </column>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+      <widget class="QWidget" name="tab_5">
        <attribute name="title">
         <string>Dispersy</string>
        </attribute>
@@ -179,7 +231,7 @@
           <property name="currentIndex">
            <number>0</number>
           </property>
-          <widget class="QWidget" name="tab_6">
+          <widget class="QWidget" name="tab_7">
            <attribute name="title">
             <string>General</string>
            </attribute>
@@ -221,7 +273,7 @@
             </item>
            </layout>
           </widget>
-          <widget class="QWidget" name="tab_7">
+          <widget class="QWidget" name="tab_8">
            <attribute name="title">
             <string>Communities</string>
            </attribute>
@@ -277,7 +329,7 @@
         </item>
        </layout>
       </widget>
-      <widget class="QWidget" name="tab_5">
+      <widget class="QWidget" name="tab_6">
        <attribute name="title">
         <string>Events</string>
        </attribute>