fix #4591: pay to OP_RETURN on trezor

electrum/plugins/keepkey/keepkey.py

@@ -382,7 +382,7 @@ class KeepKeyPlugin(HW_PluginBase):
             txoutputtype.amount = amount
             if _type == TYPE_SCRIPT:
                 txoutputtype.script_type = self.types.PAYTOOPRETURN
-                txoutputtype.op_return_data = address[2:]
+                txoutputtype.op_return_data = bfh(address)[2:]
             elif _type == TYPE_ADDRESS:
                 if is_segwit_address(address):
                     txoutputtype.script_type = self.types.PAYTOWITNESS

electrum/plugins/safe_t/safe_t.py

@@ -453,7 +453,7 @@ class SafeTPlugin(HW_PluginBase):
             txoutputtype.amount = amount
             if _type == TYPE_SCRIPT:
                 txoutputtype.script_type = self.types.OutputScriptType.PAYTOOPRETURN
-                txoutputtype.op_return_data = address[2:]
+                txoutputtype.op_return_data = bfh(address)[2:]
             elif _type == TYPE_ADDRESS:
                 txoutputtype.script_type = self.types.OutputScriptType.PAYTOADDRESS
                 txoutputtype.address = address

electrum/plugins/trezor/trezor.py

@@ -464,7 +464,7 @@ class TrezorPlugin(HW_PluginBase):
             txoutputtype.amount = amount
             if _type == TYPE_SCRIPT:
                 txoutputtype.script_type = self.types.OutputScriptType.PAYTOOPRETURN
-                txoutputtype.op_return_data = address[2:]
+                txoutputtype.op_return_data = bfh(address)[2:]
             elif _type == TYPE_ADDRESS:
                 txoutputtype.script_type = self.types.OutputScriptType.PAYTOADDRESS
                 txoutputtype.address = address