test: extend feature_proxy.py to test CJDNS

Author: vasild

test/functional/feature_proxy.py

@@ -12,6 +12,7 @@
     - `-proxy` (proxy everything)
     - `-onion` (proxy just onions)
     - `-proxyrandomize` Circuit randomization
+    - `-cjdnsreachable`
 - Proxy configurations to test on proxy side,
     - support no authentication (other proxy)
     - support no authentication + user/pass authentication (Tor)
@@ -26,6 +27,7 @@
 addnode connect to IPv6
 addnode connect to onion
 addnode connect to generic DNS name
+addnode connect to a CJDNS address
 
 - Test getnetworkinfo for each node
 """
@@ -58,7 +60,7 @@
 
 class ProxyTest(BitcoinTestFramework):
     def set_test_params(self):
-        self.num_nodes = 4
+        self.num_nodes = 5
         self.setup_clean_chain = True
 
     def setup_nodes(self):
@@ -102,7 +104,9 @@ def setup_nodes(self):
             ['-listen', f'-proxy={self.conf1.addr[0]}:{self.conf1.addr[1]}',f'-onion={self.conf2.addr[0]}:{self.conf2.addr[1]}',
                 f'-i2psam={self.i2p_sam[0]}:{self.i2p_sam[1]}', '-i2pacceptincoming=0', '-proxyrandomize=0'],
             ['-listen', f'-proxy={self.conf2.addr[0]}:{self.conf2.addr[1]}','-proxyrandomize=1'],
-            []
+            [],
+            ['-listen', f'-proxy={self.conf1.addr[0]}:{self.conf1.addr[1]}','-proxyrandomize=1',
+                '-cjdnsreachable']
         ]
         if self.have_ipv6:
             args[3] = ['-listen', f'-proxy=[{self.conf3.addr[0]}]:{self.conf3.addr[1]}','-proxyrandomize=0', '-noonion']
@@ -114,7 +118,7 @@ def network_test(self, node, addr, network):
             if peer["addr"] == addr:
                 assert_equal(peer["network"], network)
 
-    def node_test(self, node, *, proxies, auth, test_onion):
+    def node_test(self, node, *, proxies, auth, test_onion, test_cjdns):
         rv = []
         addr = "15.61.23.23:1234"
         self.log.debug(f"Test: outgoing IPv4 connection through node for address {addr}")
@@ -162,6 +166,21 @@ def node_test(self, node, *, proxies, auth, test_onion):
             rv.append(cmd)
             self.network_test(node, addr, network=NET_ONION)
 
+        if test_cjdns:
+            addr = "[fc00:1:2:3:4:5:6:7]:8888"
+            self.log.debug(f"Test: outgoing CJDNS connection through node for address {addr}")
+            node.addnode(addr, "onetry")
+            cmd = proxies[1].queue.get()
+            assert isinstance(cmd, Socks5Command)
+            assert_equal(cmd.atyp, AddressType.DOMAINNAME)
+            assert_equal(cmd.addr, b"fc00:1:2:3:4:5:6:7")
+            assert_equal(cmd.port, 8888)
+            if not auth:
+                assert_equal(cmd.username, None)
+                assert_equal(cmd.password, None)
+            rv.append(cmd)
+            self.network_test(node, addr, network=NET_CJDNS)
+
         addr = "node.noumenon:8333"
         self.log.debug(f"Test: outgoing DNS name connection through node for address {addr}")
         node.addnode(addr, "onetry")
@@ -182,17 +201,17 @@ def run_test(self):
         # basic -proxy
         self.node_test(self.nodes[0],
             proxies=[self.serv1, self.serv1, self.serv1, self.serv1],
-            auth=False, test_onion=True)
+            auth=False, test_onion=True, test_cjdns=False)
 
         # -proxy plus -onion
         self.node_test(self.nodes[1],
             proxies=[self.serv1, self.serv1, self.serv2, self.serv1],
-            auth=False, test_onion=True)
+            auth=False, test_onion=True, test_cjdns=False)
 
         # -proxy plus -onion, -proxyrandomize
         rv = self.node_test(self.nodes[2],
             proxies=[self.serv2, self.serv2, self.serv2, self.serv2],
-            auth=True, test_onion=True)
+            auth=True, test_onion=True, test_cjdns=False)
         # Check that credentials as used for -proxyrandomize connections are unique
         credentials = set((x.username,x.password) for x in rv)
         assert_equal(len(credentials), len(rv))
@@ -201,7 +220,12 @@ def run_test(self):
             # proxy on IPv6 localhost
             self.node_test(self.nodes[3],
                 proxies=[self.serv3, self.serv3, self.serv3, self.serv3],
-                auth=False, test_onion=False)
+                auth=False, test_onion=False, test_cjdns=False)
+
+        # -proxy=unauth -proxyrandomize=1 -cjdnsreachable
+        self.node_test(self.nodes[4],
+            proxies=[self.serv1, self.serv1, self.serv1, self.serv1],
+            auth=False, test_onion=True, test_cjdns=True)
 
         def networks_dict(d):
             r = {}
@@ -266,6 +290,21 @@ def networks_dict(d):
             assert_equal(n3['i2p']['reachable'], False)
             assert_equal(n3['cjdns']['reachable'], False)
 
+        n4 = networks_dict(self.nodes[4].getnetworkinfo())
+        assert_equal(NETWORKS, n4.keys())
+        for net in NETWORKS:
+            if net == NET_I2P:
+                expected_proxy = ''
+                expected_randomize = False
+            else:
+                expected_proxy = '%s:%i' % (self.conf1.addr)
+                expected_randomize = True
+            assert_equal(n4[net]['proxy'], expected_proxy)
+            assert_equal(n4[net]['proxy_randomize_credentials'], expected_randomize)
+        assert_equal(n4['onion']['reachable'], True)
+        assert_equal(n4['i2p']['reachable'], False)
+        assert_equal(n4['cjdns']['reachable'], True)
+
 
 if __name__ == '__main__':
     ProxyTest().main()