[IND-416] Add default fee for v4 python client

v4-client-py/v4_client_py/chain/aerial/client/utils.py

@@ -3,7 +3,7 @@
 
 from datetime import timedelta
 from typing import Any, Callable, List, Optional, Union
-from v4_client_py.clients.constants import BroadcastMode, DEFAULT_TOKEN
+from v4_client_py.clients.constants import BroadcastMode
 
 from v4_proto.cosmos.base.query.v1beta1.pagination_pb2 import PageRequest
 
@@ -18,7 +18,7 @@ def prepare_and_broadcast_basic_transaction(
     gas_limit: Optional[int] = None,
     memo: Optional[str] = None,
     broadcast_mode: BroadcastMode = None,
-    fee: Optional[int] = 5000,
+    fee: int = 5000,
 ) -> SubmittedTx:
     """Prepare and broadcast basic transaction.
 
@@ -28,6 +28,8 @@ def prepare_and_broadcast_basic_transaction(
     :param account: The account
     :param gas_limit: The gas limit
     :param memo: Transaction memo, defaults to None
+    :param broadcast_mode: Broadcast mode, defaults to None
+    :param fee: Transaction fee, defaults to 5000
 
     :return: broadcast transaction
     """
@@ -53,7 +55,7 @@ def prepare_and_broadcast_basic_transaction(
     # finally, build the final transaction that will be executed with the correct gas and fee values
     tx.seal(
         SigningCfg.direct(sender.public_key(), account.sequence),
-        fee=f"{fee}{DEFAULT_TOKEN}",
+        fee=f"{fee}{client.network_config.fee_denomination}",
         gas_limit=gas_limit,
         memo=memo,
     )

v4-client-py/v4_client_py/chain/aerial/config.py

@@ -71,6 +71,21 @@ def fetchai_dorado_testnet(cls) -> "NetworkConfig":
             faucet_url="https://faucet-dorado.fetch.ai",
         )
 
+    @classmethod
+    def fetch_dydx_testnet(cls) -> "NetworkConfig":
+        """Dydx testnet.
+
+        :return: Network configuration
+        """
+        return NetworkConfig(
+            chain_id="dydx",
+            url="grpc+https://v4.testnet.dydx.exchange",
+            fee_minimum_gas_price=5000000000,
+            fee_denomination="dv4tnt",
+            staking_denomination="dv4tnt",
+            faucet_url="http://faucet.v4testnet.dydx.exchange",
+        )
+
     @classmethod
     def fetchai_alpha_testnet(cls):
         """Get the fetchai alpha testnet.
@@ -93,7 +108,7 @@ def fetchai_stable_testnet(cls):
 
         :return: fetchai stable testnet. For now dorado is fetchai stable testnet.
         """
-        return cls.fetchai_dorado_testnet()
+        return cls.fetch_dydx_testnet()
 
     @classmethod
     def fetchai_mainnet(cls) -> "NetworkConfig":

v4-client-py/v4_client_py/clients/constants.py

@@ -96,9 +96,6 @@
 
 BECH32_PREFIX = 'dydx'
 
-# ------------ DEFAULT TOKEN ------------
-DEFAULT_TOKEN = "dv4tnt"
-
 class BroadcastMode(Enum):
     BroadcastTxSync = 0
     BroadcastTxCommit = 1