descriptor: Implement wallet-policies BIP #250

	name: Build NPM package

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:
	build:
	runs-on: ubuntu-20.04

	defaults:
	run:
	working-directory: ./src/wasm_package

	steps:
	- uses: actions/checkout@v3
	with:
	submodules: true

	# Needed for build_wrappers.py, to extract function signatures from source code
	# We sed out azure to attempt to mitigate apt network failues.
	- run: sudo sed -i 's/azure\.//' /etc/apt/sources.list

	# The deps script was written for Debian (11), but works as-is on Ubuntu too
	- run: sudo ../../contrib/bullseye_deps.sh

	# Build NPM package into a tgz file (pack internally triggers the build/prepare script)
	- run: npm install && npm pack --foreground-scripts
	name: Build & Pack

	# Report the SHA256 digest of the final package. This should be deterministic (including generated WASM),
	# so it should match the package published to the NPM registry and can be used to cross-check its integrity.
	- run: 'echo SHA256 digest: && sha256sum wallycore-*.tgz'

	- run: npm test

	- uses: actions/upload-artifact@v3
	with:
	name: libwally-npm
	path: src/wasm_package/wallycore-*.tgz
	# upload-artifact doesn't seem to take the working-directory setting into account

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