[qa] Remove hardcoded "4 nodes" from test_framework

1 files changed, 6 insertions, 5 deletions

diff --git a/qa/rpc-tests/fundrawtransaction.py b/qa/rpc-tests/fundrawtransaction.py
index 74849603f7..57b850a6a9 100755
--- a/qa/rpc-tests/fundrawtransaction.py
+++ b/qa/rpc-tests/fundrawtransaction.py
@@ -9,12 +9,13 @@ from test_framework.util import *
 # Create one-input, one-output, no-fee transaction:
 class RawTransactionsTest(BitcoinTestFramework):
 
-    def setup_chain(self):
-        print(("Initializing test directory "+self.options.tmpdir))
-        initialize_chain_clean(self.options.tmpdir, 4)
+    def __init__(self):
+        super().__init__()
+        self.setup_clean_chain = True
+        self.num_nodes = 4
 
     def setup_network(self, split=False):
-        self.nodes = start_nodes(4, 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)
@@ -521,7 +522,7 @@ class RawTransactionsTest(BitcoinTestFramework):
         stop_nodes(self.nodes)
         wait_bitcoinds()
 
-        self.nodes = start_nodes(4, self.options.tmpdir)
+        self.nodes = start_nodes(self.num_nodes, self.options.tmpdir)
         # This test is not meant to test fee estimation and we'd like
         # to be sure all txs are sent at a consistent desired feerate
         for node in self.nodes: