fix #1976
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@ -311,6 +311,7 @@ class TrezorCompatiblePlugin(HW_PluginBase):
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def tx_outputs(self, derivation, tx):
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outputs = []
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has_change = False
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for i, (_type, address, amount) in enumerate(tx.outputs()):
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txoutputtype = self.types.TxOutputType()
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txoutputtype.amount = amount
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@ -320,10 +321,12 @@ class TrezorCompatiblePlugin(HW_PluginBase):
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txoutputtype.op_return_data = address[2:]
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elif _type == TYPE_ADDRESS:
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addrtype, hash_160 = bc_address_to_hash_160(address)
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if addrtype == 0 and change is not None:
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if addrtype == 0 and change is not None and not has_change:
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address_path = "%s/%d/%d"%(derivation, change, index)
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address_n = self.client_class.expand_path(address_path)
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txoutputtype.address_n.extend(address_n)
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# do not show more than one change address to device
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has_change = True
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else:
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txoutputtype.address = address
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if addrtype == 0:
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