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Issues with configure bitcointx to work with libsecp256k1 #83
Description
Hi, I'm unable to get bitcointx to use libsecp256k1.
I've installed bitcointx via pip: pip install python-bitcointx
I have libsecp256k1 installed:
$ ldconfig -p | grep libsecp
libsecp256k1.so.0 (libc6,x86-64) => /lib64/libsecp256k1.so.
libsecp256k1.so (libc6,x86-64) => /lib64/libsecp256k1.so$ ls /usr/lib64/libsecp256k1.so.0
/usr/lib64/libsecp256k1.so.0This is how I load it and I get the RuntimeError when trying to get xonly_pub.
import bitcointx as btc
btc.set_custom_secp256k1_path("/usr/lib64/libsecp256k1.so.0")
pvt_key = PrivateKey(12345, network="regtest")
from bitcointx.wallet import CCoinKey
CCoinKey.from_secret_bytes(bytes([6]*32)).xonly_pubbitcointx/core/key.py", line 2021, in __new__
raise RuntimeError(
RuntimeError: x-only pubkey handling functions from libsecp256k1 is not available. configure it libsecp256k1 with --enable-module-extrakeys
Any help/pointers on how to solve this issue would be greatly appreciated.
Activity
dgpv commentedon Apr 27, 2024
You need to upgrade libsecp256k1
objdump -T /path/to/libsecp256k1.so | grep secp256k1_xonly_pubkey_parseshould show the symbol. If it shows nothing, that means that version of the library is too oldLatest version of libsecp256k1 is v0.4.1
Automatic tests of python-bitcointx currently use libsecp256k1 v0.4.0
One problem you might encounter is that latest versions of python seem to be ignoring
LD_LIBRARY_PATHenvironment variable.If changing a system-installed library to newer version is not an option, you will need to compile libsecp256k1 from source and will likely need to do
bitcoints.set_custom_secp256k1_path("/path/to/libsecp256k1.so")to tell bitcointx to load the correct librarykatsucodes247 commentedon Apr 27, 2024
I can confirm that
secp256k1_xonly_pubkey_parsewas not available, I've uninstalled the system'slibsecp256k1and targetedlibsecp256k1from the latest OS release which seems to have been v0.4.1. After doing so, I'm not getting the error anymore.TIL something new. Thank you @dgpv!