fix address

fxsdk/client/crosschain.py

@@ -2,6 +2,7 @@
 from typing import Optional
 
 import requests
+from eth_utils import is_hex_address
 
 from fxsdk.client.grpc import Client, GRPCBlockHeightHeader
 from fxsdk.msg import new_ibc_fx_msg_transfer
@@ -73,7 +74,8 @@ def ibc_transfer(self, tx_builder: TxBuilder, to_address: str, amount: Coin, cha
         elif target is CrossChainTarget.MarginX:
             pass
         elif target is CrossChainTarget.FxCore:
-            pass
+            if is_hex_address(to_address) is False:
+                raise Exception("address should be hex format")
         else:
             raise Exception("target chain not supported")
         sender = tx_builder.from_address().to_string()

fxsdk/wallet/address.py

@@ -36,3 +36,6 @@ def to_hex(self) -> str:
 
     def to_bytes(self) -> bytes:
         return self._data
+
+    def prefix(self) -> str:
+        return self._prefix

tests/test_tx.py

@@ -44,7 +44,7 @@ def test_ibc_transfer_mx2eth(self):
             print("no channel found")
             return
         channel = channels[0].channel_id
-        to_address = tx_builder.from_address().to_string()
+        to_address = tx_builder.from_address().to_hex()
         amount = Coin(denom='FX', amount='100')
         tx_response = grpc_cli.ibc_transfer(tx_builder=tx_builder, to_address=to_address, amount=amount,
                                             channel=channel, target=CrossChainTarget.Ethereum,