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ecc_fast: require libsecp256k1 on lightning, channel graph breaks electrum without

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This commit is contained in:
Janus
2018-09-27 16:41:03 +02:00
committed by ThomasV
parent 1988b552e1
commit 9862fe5c0c
1 changed files with 2 additions and 4 deletions
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electrum/ecc_fast.py
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@@ -186,10 +186,8 @@ def _prepare_monkey_patching_of_python_ecdsa_internals_with_libsecp256k1():
def do_monkey_patching_of_python_ecdsa_internals_with_libsecp256k1():
if not _libsecp256k1:
# FIXME logging 'verbosity' is not yet initialised
_logger.info('libsecp256k1 library not available, falling back to python-ecdsa. '
'This means signing operations will be slower.')
return
raise Exception('libsecp256k1 library not available. '
'Verifying Lightning channels is too computationally expensive without libsecp256k1, aborting.')
if not _patched_functions.prepared_to_patch:
raise Exception("can't patch python-ecdsa without preparations")
ecdsa.ecdsa.Private_key.sign = _patched_functions.fast_sign