[qa] Remove hardcoded "4 nodes" from test_framework

1 files changed, 5 insertions, 4 deletions

diff --git a/qa/rpc-tests/rest.py b/qa/rpc-tests/rest.py
index ec9515528e..c9c2eaf7f3 100755
--- a/qa/rpc-tests/rest.py
+++ b/qa/rpc-tests/rest.py
@@ -47,12 +47,13 @@ def http_post_call(host, port, path, requestdata = '', response_object = 0):
 class RESTTest (BitcoinTestFramework):
     FORMAT_SEPARATOR = "."
 
-    def setup_chain(self):
-        print("Initializing test directory "+self.options.tmpdir)
-        initialize_chain_clean(self.options.tmpdir, 3)
+    def __init__(self):
+        super().__init__()
+        self.setup_clean_chain = True
+        self.num_nodes = 3
 
     def setup_network(self, split=False):
-        self.nodes = start_nodes(3, self.options.tmpdir)
+        self.nodes = start_nodes(self.num_nodes, self.options.tmpdir)
         connect_nodes_bi(self.nodes,0,1)
         connect_nodes_bi(self.nodes,1,2)
         connect_nodes_bi(self.nodes,0,2)