electrumsv-secp256k1 0.9.4

Cross-platform Python libsecp256k1 for ElectrumSV

Licence: MIT Licence / Apache v2.0 (dual licensed)
Maintainers: Neil Booth, Roger Taylor
Project Lead: Roger Taylor
Language: Python (>=3.6)
Homepage: https://electrumsv.io/

---

This library provides a wrapped pre-compiled libsecp256k1, the heavily optimized C library used by Bitcoin Core for operations on elliptic curve secp256k1. It effectively encapsulates a libsecp256k1 fork and allows ElectrumSV developers to have a vetted build, with selected public modifications, available on pypi to treat as a first classed dependency which can be obtained and verified against a known hash, like any other Python dependency.

Table of Contents

• Features

• Installation

• API

• Credits

• History

Features

• Linux, macOS, and Windows all have binary packages for 64 bit architectures only.

• Linux & macOS use GMP for faster computation

• Implements a fix for https://bugs.python.org/issue28150 to support Python 3.6+ on macOS

Installation

electrumsv-secp256k1 is distributed on PyPI and is available on Linux/macOS and Windows and supports Python 3.6 and Python 3.7.

$ pip install electrumsv-secp256k1

If you are on a system that doesn’t have a precompiled binary wheel (e.g. FreeBSD) then pip will fetch source to build yourself. You must have the necessary packages.

On Debian/Ubuntu for example the necessary packages are:

• build-essential

• automake

• pkg-config

• libtool

• libgmp-dev (optional)

API

Anything importing this should be familiar with the underlying libsecp256k1 api.

Credits

• Contributors of coincurve. At this time this project is for the most part a adapted and stripped down version of coincurve for Azure Pipelines.

• Contributors of libsecp256k1.

• Contributors of secp256k1-py. While Coincurve is nearly a complete rewrite, much of the build system provided by ulope remains.

History

Coincurve history available here.