Support libsecp256k1 v0.7.0 #88
Description
Since v0.7.0, libsecp256k1 has renamed secp256k1_ec_privkey_<operation> in favor of secp256k1_ec_seckey_<operation>.
- https://github.com/bitcoin-core/secp256k1/releases
- https://github.com/bitcoin-core/secp256k1/blob/master/CHANGELOG.md
This breaks python-bitcointx:
AttributeError: /usr/lib/libsecp256k1.so: undefined symbol: secp256k1_ec_privkey_tweak_add. Did you mean: 'secp256k1_ec_pubkey_tweak_add'?
Traceback (most recent call last):
...
File "/usr/local/lib/python3.13/dist-packages/bitcointx/core/secp256k1.py", line 131, in get_secp256k1
_secp256k1 = secp256k1_load_library(bitcointx.util._secp256k1_library_path)
File "/usr/local/lib/python3.13/dist-packages/bitcointx/core/secp256k1.py", line 327, in secp256k1_load_library
cap = _add_function_definitions(handle)
File "/usr/local/lib/python3.13/dist-packages/bitcointx/core/secp256k1.py", line 202, in _add_function_definitions
lib.secp256k1_ec_privkey_tweak_add.restype = ctypes.c_int
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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