add missing files

Author: bogdan-rosianu

erdpy/cli_ledger.py

@@ -0,0 +1,34 @@
+from erdpy.ledger.ledger_app_handler import ElrondLedgerApp
+from erdpy import cli_shared
+import logging
+from typing import Any
+
+logger = logging.getLogger("cli.ledger")
+
+
+def setup_parser(subparsers: Any) -> Any:
+    parser = cli_shared.add_group_subparser(subparsers, "ledger", "Get Ledger App addresses and version")
+    subparsers = parser.add_subparsers()
+
+    sub = cli_shared.add_command_subparser(subparsers, "ledger", "addresses", "Get the addresses within Ledger")
+    sub.add_argument("--num-addresses", required=False, type=int, default=10, help="The number of addresses to fetch")
+    sub.set_defaults(func=print_addresses)
+
+    sub = cli_shared.add_command_subparser(subparsers, "ledger", "version", "Get the version of the Elrond App for Ledger")
+    sub.set_defaults(func=print_version)
+
+    return subparsers
+
+
+def print_addresses(args):
+    ledger_app = ElrondLedgerApp()
+    for i in range(args.num_addresses):
+        address = ledger_app.get_address(0, i)
+        print('account index = %d | address index = %d | address: %s' % (0, i, address))
+    ledger_app.close()
+
+
+def print_version(args):
+    ledger_app = ElrondLedgerApp()
+    print("Elrond App version: " + ledger_app.get_version())
+    ledger_app.close()

erdpy/tests/test_ledger.py

@@ -0,0 +1,19 @@
+import unittest
+
+from erdpy.ledger.config import compare_versions
+from erdpy.ledger.ledger_app_handler import get_error
+
+
+class LedgerTestCase(unittest.TestCase):
+    def test_compare_versions(self):
+        self.assertEqual(compare_versions("v1.0.0", "v1.0.1"), -1)
+        self.assertEqual(compare_versions("v1.0.1", "v1.0.1"), 0)
+        self.assertEqual(compare_versions("v1.0.1", "v1.0.0"), 1)
+        self.assertEqual(compare_versions("v1.0.0.1", "v1.0.0"), 1)
+        self.assertEqual(compare_versions("v1.0.1", "v1.0.1.0.0.4"), -1)
+
+    def test_get_error(self):
+        self.assertEqual(get_error(0x6E0C), "invalid fee")
+        self.assertEqual(get_error(0x6E11), "regular signing is deprecated")
+        self.assertEqual(get_error(0x9000), "")
+        self.assertEqual(get_error(0x9999999999), "unknown error code: 0x9999999999")