abi: export right `mpz` after masking #39

	name: ci-unix

	on:
	push:
	branches:
	- '*'
	paths:
	- '.github/**'
	- 'src/**'
	- 'include/**'
	- 'test/**'
	- 'CMakeLists.txt'
	pull_request:
	branches:
	- '*'
	paths:
	- '.github/**'
	- 'src/**'
	- 'include/**'
	- 'test/**'
	- 'CMakeLists.txt'

	jobs:
	build-macos:
	runs-on: macos-latest
	steps:
	- uses: actions/checkout@v2
	- name: Envinfo
	run: npx envinfo
	- name: Initialize and update submodules
	run: \|
	git submodule init
	git submodule update
	- uses: actions/checkout@v2
	with:
	repository: bitcoin-core/secp256k1
	path: libsecp256k1
	- name: Build and install libsecp256k1
	run: \|
	brew install libtool automake
	cd libsecp256k1
	./autogen.sh
	./configure --enable-module-recovery --enable-benchmark=no --enable-tests=no
	make
	sudo make install
	pkg-config --cflags --libs libsecp256k1
	- name: Build
	run: \|
	mkdir build
	cd build
	cmake -DETHC_BUILD_TESTS=ON ..
	make
	ls -lh
	- name: Test
	run: \|
	cd build
	make test ARGS="-V"
	build-ubuntu:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Envinfo
	run: npx envinfo
	- name: Initialize and update submodules
	run: \|
	git submodule init
	git submodule update
	- uses: actions/checkout@v2
	with:
	repository: bitcoin-core/secp256k1
	path: libsecp256k1
	- name: Build and install libsecp256k1
	run: \|
	cd libsecp256k1
	./autogen.sh
	./configure --enable-module-recovery --enable-benchmark=no --enable-tests=no
	make
	sudo make install
	pkg-config --cflags --libs libsecp256k1
	- name: Build
	run: \|
	mkdir build
	cd build
	cmake -DETHC_BUILD_TESTS=ON ..
	make
	ls -lh
	- name: Test
	run: \|
	cd build
	make test ARGS="-V"

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