fix lint

Author: billbsing

convex_api/account.py

@@ -15,6 +15,8 @@
     to_hex
 )
 
+from mnemonic import Mnemonic
+
 from convex_api.utils import to_address_checksum
 
 
@@ -61,6 +63,15 @@ def export_to_text(self, password):
         )
         return private_data.decode()
 
+    @property
+    def export_to_mnemonic(self):
+        mnemonic = Mnemonic('english')
+        return mnemonic.to_mnemonic(self._private_key.private_bytes(
+            encoding=serialization.Encoding.Raw,
+            format=serialization.PrivateFormat.Raw,
+            encryption_algorithm=serialization.NoEncryption()
+        ))
+
     def export_to_file(self, filename, password):
         """
         Export the private key to a file. This uses `export_to_text` to export as a string.
@@ -161,6 +172,12 @@ def import_from_text(text, password):
         if private_key:
             return Account(private_key)
 
+    @staticmethod
+    def import_from_mnemonic(words):
+        mnemonic = Mnemonic('english')
+        value = mnemonic.to_entropy(words)
+        return Account(Ed25519PrivateKey.from_private_bytes(value))
+
     @staticmethod
     def import_from_file(filename, password):
         """

setup.py

@@ -21,6 +21,7 @@
     'cryptography',
     'eth-utils',
     'requests',
+    'mnemonic'
 ]
 
 setup_requirements = ['pytest-runner', ]

tests/unit/test_account.py

@@ -72,3 +72,10 @@ def test_account_import_export_to_file(test_account):
     assert(import_account.address == test_account.address)
     os.remove(filename)
 
+def test_account_export_to_mnemonic(test_account):
+    words = test_account.export_to_mnemonic
+    assert(words)
+    new_account = Account.import_from_mnemonic(words)
+    assert(new_account)
+    assert(test_account.address == new_account.address)
+    assert(test_account.export_to_mnemonic == new_account.export_to_mnemonic)