[qa] Remove hardcoded "4 nodes" from test_framework

1 files changed, 5 insertions, 5 deletions

diff --git a/qa/rpc-tests/blockchain.py b/qa/rpc-tests/blockchain.py
index c84047b5dd..410b85d15e 100755
--- a/qa/rpc-tests/blockchain.py
+++ b/qa/rpc-tests/blockchain.py
@@ -13,7 +13,6 @@ from decimal import Decimal
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.authproxy import JSONRPCException
 from test_framework.util import (
-    initialize_chain,
     assert_equal,
     assert_raises,
     assert_is_hex_string,
@@ -32,12 +31,13 @@ class BlockchainTest(BitcoinTestFramework):
 
     """
 
-    def setup_chain(self):
-        print("Initializing test directory " + self.options.tmpdir)
-        initialize_chain(self.options.tmpdir)
+    def __init__(self):
+        super().__init__()
+        self.setup_clean_chain = False
+        self.num_nodes = 2
 
     def setup_network(self, split=False):
-        self.nodes = start_nodes(2, self.options.tmpdir)
+        self.nodes = start_nodes(self.num_nodes, self.options.tmpdir)
         connect_nodes_bi(self.nodes, 0, 1)
         self.is_network_split = False
         self.sync_all()