xmrwallet create_offline: use existing key-address file if present

mmgen/xmrwallet/ops/create.py

@@ -77,10 +77,16 @@ class OpCreateOffline(OpCreate):
 		vkf = vkal.file
 
 		# before writing viewkey-address file, shred any old ones in the directory:
+		do_write = True
 		for f in Path(self.asi.xmr_dir).iterdir():
-			if f.name.endswith(vkf.ext):
+			if f.name == vkf.filename:
+				do_write = False
+			elif f.name.endswith(vkf.ext):
 				from ...fileutil import shred_file
-				msg(f'\nShredding old viewkey-address file ‘{f}’')
+				msg(f'Shredding old viewkey-address file ‘{f}’')
 				shred_file(self.cfg, f, iterations=15)
 
-		vkf.write(outdir=self.asi.xmr_dir)
+		if do_write:
+			vkf.write(outdir=self.asi.xmr_dir)
+		else:
+			msg(f'Viewkey-address file ‘{vkf.filename}’ already exists, skipping creation')

test/cmdtest_d/autosign.py

@@ -189,6 +189,12 @@ class CmdTestAutosignBase(CmdTestBase):
 		stop_test_daemons(*(self.network_ids + self.extra_daemons), remove_datadir=True)
 		return 'ok'
 
+	def delete_setup(self):
+		self.spawn(msg_only=True)
+		imsg(f'Deleting ‘{self.asi.wallet_dir}’')
+		shutil.rmtree(self.asi.wallet_dir, ignore_errors=True)
+		return 'ok'
+
 	def run_setup(
 			self,
 			mn_type        = None,

test/cmdtest_d/xmr_autosign.py

@@ -256,7 +256,10 @@ class CmdTestXMRAutosign(CmdTestXMRWallet, CmdTestAutosignThreaded):
 			use_dfl_wallet = None,
 			expect_args    = ['Continue with Monero setup? (Y/n): ', 'n'])
 
-	def autosign_xmr_setup(self):
+	def autosign_xmr_setup_redo(self):
+		return self.autosign_xmr_setup(write_viewkeys=False)
+
+	def autosign_xmr_setup(self, write_viewkeys=True):
 		self.insert_device_online()
 		self.do_mount_online()
 		self.asi_online.xmr_dir.mkdir(exist_ok=True)
@@ -266,7 +269,10 @@ class CmdTestXMRAutosign(CmdTestXMRWallet, CmdTestAutosignThreaded):
 
 		self.insert_device()
 		t = self.spawn('mmgen-autosign', self.opts + ['xmr_setup'], no_passthru_opts=True)
-		t.written_to_file('View keys')
+		if write_viewkeys:
+			t.written_to_file('View keys')
+		else:
+			t.expect('already exists, skipping')
 		t.read()
 		self.remove_device()
 		return t
@@ -514,6 +520,9 @@ class CmdTestXMRCompat(CmdTestXMRAutosign):
 	cmd_group = (
 		('autosign_setup',           'autosign setup with Alice’s seed'),
 		('autosign_xmr_setup',       'autosign setup (creation of Monero signing wallets)'),
+		('delete_setup',             'deleting offline autosign setup'),
+		('autosign_setup',           'autosign setup with Alice’s seed'),
+		('autosign_xmr_setup_redo',  'autosign setup (creation of Monero signing wallets, redo)'),
 		('create_watchonly_wallets', 'creating Alice’s watch-only wallets'),
 		('gen_kafile_miner',         'generating key-address file for Miner'),
 		('create_wallet_miner',      'creating Monero wallet for Miner'),