[tests] TestNode: separate add_node from start_node

Separates the act of creating a TestNode object from starting the node.
The test_framework now keeps track of its list of TestNodes, and test
writers can call start_node() and stop_node() without having to update
the self.nodes list.

1 files changed, 4 insertions, 7 deletions

diff --git a/test/functional/bumpfee.py b/test/functional/bumpfee.py
index 9633ffdebb..00c085af55 100755
--- a/test/functional/bumpfee.py
+++ b/test/functional/bumpfee.py
@@ -34,21 +34,18 @@ class BumpFeeTest(BitcoinTestFramework):
         super().__init__()
         self.num_nodes = 2
         self.setup_clean_chain = True
+        self.extra_args = [["-prematurewitness", "-walletprematurewitness", "-walletrbf={}".format(i)]
+                           for i in range(self.num_nodes)]
 
-    def setup_network(self, split=False):
-        extra_args = [["-prematurewitness", "-walletprematurewitness", "-walletrbf={}".format(i)]
-                      for i in range(self.num_nodes)]
-        self.nodes = self.start_nodes(self.num_nodes, self.options.tmpdir, extra_args)
-
+    def run_test(self):
         # Encrypt wallet for test_locked_wallet_fails test
         self.nodes[1].node_encrypt_wallet(WALLET_PASSPHRASE)
-        self.nodes[1] = self.start_node(1, self.options.tmpdir, extra_args[1])
+        self.start_node(1)
         self.nodes[1].walletpassphrase(WALLET_PASSPHRASE, WALLET_PASSPHRASE_TIMEOUT)
 
         connect_nodes_bi(self.nodes, 0, 1)
         self.sync_all()
 
-    def run_test(self):
         peer_node, rbf_node = self.nodes
         rbf_node_address = rbf_node.getnewaddress()