test: Add TestNode ipcbind option

With this change, tests can specify `self.extra_init = [{ipcbind: True}]` to
start a node listening on an IPC socket, instead of needing to choose which
node binary to invoke and what `self.extra_args=[["-ipcbind=..."]]` value to
pass to it.

The eliminates boilerplate code bitcoin#30437 (interface_ipc_mining.py), bitcoin#32297
(interface_ipc_cli.py), and bitcoin#33201 (interface_ipc.py) previously needed in
their test setup.

Author: ryanofsky

test/functional/test_framework/test_framework.py

@@ -556,8 +556,14 @@ def bin_dir_from_version(version):
 
             bin_dirs.append(bin_dir)
 
+<<<<<<< HEAD
         extra_init = [{}] * num_nodes if self.extra_init is None else self.extra_init # type: ignore[var-annotated]
         assert_equal(len(extra_init), num_nodes)
+||||||| parent of 6d0103472f1d (test: Add TestNode ipcbind option)
+=======
+        extra_init = [{}] * num_nodes if self.extra_init is None else self.extra_init
+        assert_equal(len(extra_init), num_nodes)
+>>>>>>> 6d0103472f1d (test: Add TestNode ipcbind option)
         assert_equal(len(extra_confs), num_nodes)
         assert_equal(len(extra_args), num_nodes)
         assert_equal(len(versions), num_nodes)

test/functional/test_framework/test_node.py

@@ -233,9 +233,16 @@ def __del__(self):
             # this destructor is called.
             print(self._node_msg("Cleaning up leftover process"), file=sys.stderr)
             self.process.kill()
+<<<<<<< HEAD
         if self.ipc_tmp_dir:
             print(self._node_msg(f"Cleaning up ipc directory {str(self.ipc_tmp_dir)!r}"))
             shutil.rmtree(self.ipc_tmp_dir)
+||||||| parent of 6d0103472f1d (test: Add TestNode ipcbind option)
+=======
+        if self.ipc_tmp_dir:
+            print(self._node_msg(f"Cleaning up ipc directory {str(self.ipc_tmp_dir)!r}"), file=sys.stderr)
+            shutil.rmtree(self.ipc_tmp_dir)
+>>>>>>> 6d0103472f1d (test: Add TestNode ipcbind option)
 
     def __getattr__(self, name):
         """Dispatches any unrecognised messages to the RPC connection or a CLI instance."""