AaronFiore/electrum
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transaction.deserialize: more sanity checks

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this is mandated by consensus
99813a9745/src/consensus/tx_check.cpp (L13)
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SomberNight
2020-02-25 21:14:41 +01:00
parent 28572197fb
commit 9ab18ea6c9
1 changed files with 4 additions and 0 deletions
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4
electrum/transaction.py
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@@ -564,8 +564,12 @@ class Transaction:
if marker != b'\x01':
raise ValueError('invalid txn marker byte: {}'.format(marker))
n_vin = vds.read_compact_size()
if n_vin < 1:
raise SerializationError('tx needs to have at least 1 input')
self._inputs = [parse_input(vds) for i in range(n_vin)]
n_vout = vds.read_compact_size()
if n_vout < 1:
raise SerializationError('tx needs to have at least 1 output')
self._outputs = [parse_output(vds) for i in range(n_vout)]
if is_segwit:
for txin in self._inputs: