Merge bitcoin#9077: [qa] Increase wallet-dump RPC timeout

e89614b [qa] Add more helpful RPC timeout message (Russell Yanofsky)
8463aaa [qa] Increase wallet-dump RPC timeout (Russell Yanofsky)

qa/rpc-tests/test_framework/authproxy.py

@@ -42,6 +42,7 @@
 import decimal
 import json
 import logging
+import socket
 try:
     import urllib.parse as urlparse
 except ImportError:
@@ -161,7 +162,15 @@ def _batch(self, rpc_call_list):
         return self._request('POST', self.__url.path, postdata.encode('utf-8'))
 
     def _get_response(self):
-        http_response = self.__conn.getresponse()
+        try:
+            http_response = self.__conn.getresponse()
+        except socket.timeout as e:
+            raise JSONRPCException({
+                'code': -344,
+                'message': '%r RPC took longer than %f seconds. Consider '
+                           'using larger timeout for calls that take '
+                           'longer to return.' % (self._service_name,
+                                                  self.__conn.timeout)})
         if http_response is None:
             raise JSONRPCException({
                 'code': -342, 'message': 'missing HTTP response from server'})

qa/rpc-tests/test_framework/util.py

@@ -341,7 +341,7 @@ def start_node(i, dirname, extra_args=None, rpchost=None, timewait=None, binary=
 
     return proxy
 
-def start_nodes(num_nodes, dirname, extra_args=None, rpchost=None, binary=None):
+def start_nodes(num_nodes, dirname, extra_args=None, rpchost=None, timewait=None, binary=None):
     """
     Start multiple bitcoinds, return RPC connections to them
     """
@@ -350,7 +350,7 @@ def start_nodes(num_nodes, dirname, extra_args=None, rpchost=None, binary=None):
     rpcs = []
     try:
         for i in range(num_nodes):
-            rpcs.append(start_node(i, dirname, extra_args[i], rpchost, binary=binary[i]))
+            rpcs.append(start_node(i, dirname, extra_args[i], rpchost, timewait=timewait, binary=binary[i]))
     except: # If one node failed to start, stop the others
         stop_nodes(rpcs)
         raise

qa/rpc-tests/wallet-dump.py

@@ -61,7 +61,11 @@ def __init__(self):
         self.extra_args = [["-keypool=90"]]
 
     def setup_network(self, split=False):
-        self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, self.extra_args)
+        # Use 1 minute timeout because the initial getnewaddress RPC can take
+        # longer than the default 30 seconds due to an expensive
+        # CWallet::TopUpKeyPool call, and the encryptwallet RPC made later in
+        # the test often takes even longer.
+        self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, self.extra_args, timewait=60)
 
     def run_test (self):
         tmpdir = self.options.tmpdir