From b7e1748a178d535d1854c66cf6f2296260f7085b Mon Sep 17 00:00:00 2001 From: Janus Date: Thu, 27 Sep 2018 16:41:03 +0200 Subject: [PATCH] ecc_fast: require libsecp256k1 on lightning, channel graph breaks electrum without --- electrum/ecc_fast.py | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/electrum/ecc_fast.py b/electrum/ecc_fast.py index 10ed30096..784b9079c 100644 --- a/electrum/ecc_fast.py +++ b/electrum/ecc_fast.py @@ -184,10 +184,8 @@ def _prepare_monkey_patching_of_python_ecdsa_internals_with_libsecp256k1(): def do_monkey_patching_of_python_ecdsa_internals_with_libsecp256k1(): if not _libsecp256k1: - # FIXME print_error will always print as 'verbosity' is not yet initialised - print_error('[ecc] 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