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trezorlib: sign_tx only downloads non-segwit transactions.

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This should achieve the same goal as PR #193.
In addition, this refactor removes usage of `_extend_` methods
and the unnecessary `_fill_missing` calls.
This commit is contained in:
matejcik 2018-03-20 13:10:08 +01:00
parent afb3e04c24
commit 7e1d962799
1 changed files with 17 additions and 17 deletions
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34
trezorlib/client.py
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@ -773,26 +773,26 @@ class ProtocolMixin(object):
ask_on_decrypt=ask_on_decrypt,
iv=iv))
def _prepare_sign_tx(self, coin_name, inputs, outputs):
def _prepare_sign_tx(self, inputs, outputs):
tx = proto.TransactionType()
tx._extend_inputs(inputs)
tx._extend_outputs(outputs)
tx._fill_missing()
tx.inputs = inputs
tx.outputs = outputs
txes = {}
txes[None] = tx
txes = { None: tx }
known_hashes = []
for inp in inputs:
if inp.prev_hash in known_hashes:
if inp.prev_hash in txes:
continue
if self.tx_api:
txes[inp.prev_hash] = self.tx_api.get_tx(binascii.hexlify(inp.prev_hash).decode('utf-8'))
txes[inp.prev_hash]._fill_missing()
else:
if inp.script_type in (proto.InputScriptType.SPENDP2SHWITNESS,
proto.InputScriptType.SPENDWITNESS):
continue
if not self.tx_api:
raise RuntimeError('TX_API not defined')
known_hashes.append(inp.prev_hash)
prev_tx = self.tx_api.get_tx(binascii.hexlify(inp.prev_hash).decode('utf-8'))
txes[inp.prev_hash] = prev_tx
return txes
@ -800,7 +800,7 @@ class ProtocolMixin(object):
def sign_tx(self, coin_name, inputs, outputs, version=None, lock_time=None, debug_processor=None):
start = time.time()
txes = self._prepare_sign_tx(coin_name, inputs, outputs)
txes = self._prepare_sign_tx(inputs, outputs)
# Prepare and send initial message
tx = proto.SignTx()
@ -862,7 +862,7 @@ class ProtocolMixin(object):
elif res.request_type == proto.RequestType.TXINPUT:
msg = proto.TransactionType()
msg._extend_inputs([current_tx.inputs[res.details.request_index], ])
msg.inputs = [current_tx.inputs[res.details.request_index]]
if debug_processor is not None:
# msg needs to be deep copied so when it's modified
# the other messages stay intact
@ -879,9 +879,9 @@ class ProtocolMixin(object):
elif res.request_type == proto.RequestType.TXOUTPUT:
msg = proto.TransactionType()
if res.details.tx_hash:
msg._extend_bin_outputs([current_tx.bin_outputs[res.details.request_index], ])
msg.bin_outputs = [current_tx.bin_outputs[res.details.request_index]]
else:
msg._extend_outputs([current_tx.outputs[res.details.request_index], ])
msg.outputs = [current_tx.outputs[res.details.request_index]]
if debug_processor is not None:
# msg needs to be deep copied so when it's modified