recipes: new recipe coincurve

Author: T-Dynamos

pythonforandroid/recipes/coincurve/__init__.py

@@ -0,0 +1,21 @@
+import os
+from pythonforandroid.recipe import PythonRecipe
+
+
+class CoincurveRecipe(PythonRecipe):
+    version = "19.0.1"
+    url = "https://github.com/ofek/coincurve/archive/v{version}.tar.gz"
+    call_hostpython_via_targetpython = False
+    depends = ["setuptools", "libffi", "cffi", "libsecp256k1", "asn1crypto"]
+    patches = ["coincurve.patch"]
+
+    def get_recipe_env(self, arch=None, with_flags_in_cc=True):
+        env = super(CoincurveRecipe, self).get_recipe_env(arch, with_flags_in_cc)
+        libsecp256k1 = self.get_recipe("libsecp256k1", self.ctx)
+        libsecp256k1_dir = libsecp256k1.get_build_dir(arch.arch)
+        env["CFLAGS"] += " -I" + os.path.join(libsecp256k1_dir, "include")
+        env["LDFLAGS"] += " -lsecp256k1"
+        return env
+
+
+recipe = CoincurveRecipe()

pythonforandroid/recipes/coincurve/coincurve.patch

@@ -0,0 +1,54 @@
+diff '--color=auto' -uNr coincurve-19.0.1/setup.py coincurve-19.0.1.patch/setup.py
+--- coincurve-19.0.1/setup.py	2024-03-02 10:40:59.000000000 +0530
++++ coincurve-19.0.1.patch/setup.py	2024-03-10 09:51:58.034737104 +0530
+@@ -47,6 +47,7 @@
+ 
+ 
+ def download_library(command):
++    return
+     if command.dry_run:
+         return
+     libdir = absolute('libsecp256k1')
+@@ -189,6 +190,7 @@
+             absolute('libsecp256k1/configure'),
+             '--disable-shared',
+             '--enable-static',
++            '--host=%s' % os.environ['TOOLCHAIN_PREFIX'],
+             '--disable-dependency-tracking',
+             '--with-pic',
+             '--enable-module-extrakeys',
+@@ -269,13 +271,7 @@
+         # ABI?: py_limited_api=True,
+     )
+ 
+-    extension.extra_compile_args = [
+-        subprocess.check_output(['pkg-config', '--cflags-only-I', 'libsecp256k1']).strip().decode('utf-8')  # noqa S603
+-    ]
+-    extension.extra_link_args = [
+-        subprocess.check_output(['pkg-config', '--libs-only-L', 'libsecp256k1']).strip().decode('utf-8'),  # noqa S603
+-        subprocess.check_output(['pkg-config', '--libs-only-l', 'libsecp256k1']).strip().decode('utf-8'),  # noqa S603
+-    ]
++    extension.extra_link_args = ["-lsecp256k1"]
+ 
+     if os.name == 'nt' or sys.platform == 'win32':
+         # Apparently, the linker on Windows interprets -lxxx as xxx.lib, not libxxx.lib
+@@ -340,7 +336,7 @@
+     license='MIT OR Apache-2.0',
+ 
+     python_requires='>=3.8',
+-    install_requires=['asn1crypto', 'cffi>=1.3.0'],
++    install_requires=[],
+ 
+     packages=find_packages(exclude=('_cffi_build', '_cffi_build.*', 'libsecp256k1', 'tests')),
+     package_data=package_data,
+diff '--color=auto' -uNr coincurve-19.0.1/setup_support.py coincurve-19.0.1.patch/setup_support.py
+--- coincurve-19.0.1/setup_support.py	2024-03-02 10:40:59.000000000 +0530
++++ coincurve-19.0.1.patch/setup_support.py	2024-03-10 08:53:45.650056659 +0530
+@@ -56,6 +56,7 @@
+ 
+ 
+ def _find_lib():
++    return True
+     if 'COINCURVE_IGNORE_SYSTEM_LIB' in os.environ:
+         return False
+ 

pythonforandroid/recipes/libsecp256k1/__init__.py

@@ -9,8 +9,8 @@
 class LibSecp256k1Recipe(Recipe):
 
     built_libraries = {'libsecp256k1.so': '.libs'}
-
-    url = 'https://github.com/bitcoin-core/secp256k1/archive/master.zip'
+    version = '0.4.1'
+    url = 'https://github.com/bitcoin-core/secp256k1/archive/refs/tags/v{version}.tar.gz'
 
     def build_arch(self, arch):
         env = self.get_recipe_env(arch)