Add misssing methodes to transaction interface

python/wax/_private/transaction.py

@@ -35,6 +35,7 @@ from wax.proto.transaction_pb2 import transaction as proto_transaction
 if TYPE_CHECKING:
     from datetime import timedelta
 
+    from beekeepy._interface.abc.asynchronous.wallet import UnlockedWallet as AsyncUnlockedWallet
     from beekeepy._interface.abc.synchronous.wallet import UnlockedWallet
     from wax import IWaxBaseInterface
     from wax._private.models.basic import AccountName, Hex, PublicKey, SigDigest, Signature, TransactionId
@@ -114,6 +115,13 @@ class Transaction(ITransaction):
         self._target.signatures.append(sig)
         return sig
 
+    async def async_sign(self, wallet: AsyncUnlockedWallet, public_key: PublicKey) -> Signature:
+        self.validate()
+        sig = await wallet.sign_digest(sig_digest=self.sig_digest, key=public_key)
+        self._target.signatures.append(sig)
+
+        return sig
+
     def add_signature(self, signature: Signature) -> Signature:
         self._target.signatures.append(signature)
         return signature

python/wax/interfaces.py

@@ -12,6 +12,7 @@ if TYPE_CHECKING:
     from datetime import datetime
     from decimal import Decimal
 
+    from beekeepy._interface.abc.asynchronous.wallet import UnlockedWallet as AsyncUnlockedWallet
     from beekeepy._interface.abc.synchronous.wallet import UnlockedWallet
     from wax._private.models.asset import (
         AssetFactory,
@@ -144,6 +145,22 @@ class ITransactionBase(ABC):
             WaxValidationFailedError: When the transaction is incorrect.
         """
 
+    @abstractmethod
+    async def async_sign(self, wallet: AsyncUnlockedWallet, public_key: PublicKey) -> Signature:
+        """
+        Signs asynchronously the transaction using given public key. Applies the transaction expiration time.
+
+        Args:
+            wallet: Unlocked wallet to be used for signing.
+            public_key: Public key for signing (remember that should be available in the wallet!)
+
+        Returns:
+            Signature: Transaction signature signed using given key.
+
+        Raises:
+            WaxValidationFailedError: When the transaction is incorrect.
+        """
+
     @abstractmethod
     def add_signature(self, signature: Signature) -> Signature:
         """