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refactor(python): improve handling of data for trezorlib.ethereum.sign_tx()

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This commit is contained in:
matejcik 2021-11-26 14:43:42 +01:00 committed by matejcik
parent 26173c243a
commit c2bad83296
1 changed files with 6 additions and 5 deletions
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11
python/src/trezorlib/ethereum.py
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@ -189,17 +189,18 @@ def sign_tx(
tx_type=tx_type, tx_type=tx_type,
) )
if data: if data is None:
msg.data_length = len(data) data = b""
data, chunk = data[1024:], data[:1024]
msg.data_initial_chunk = chunk msg.data_length = len(data)
data, chunk = data[1024:], data[:1024]
msg.data_initial_chunk = chunk
response = client.call(msg) response = client.call(msg)
assert isinstance(response, messages.EthereumTxRequest) assert isinstance(response, messages.EthereumTxRequest)
while response.data_length is not None: while response.data_length is not None:
data_length = response.data_length data_length = response.data_length
assert data is not None
data, chunk = data[data_length:], data[:data_length] data, chunk = data[data_length:], data[:data_length]
response = client.call(messages.EthereumTxAck(data_chunk=chunk)) response = client.call(messages.EthereumTxAck(data_chunk=chunk))
assert isinstance(response, messages.EthereumTxRequest) assert isinstance(response, messages.EthereumTxRequest)