Add initial version of wasm-miniscript package

Issue: BTC-1317

.github/workflows/ci.yml

@@ -0,0 +1,67 @@
+name: wasm-miniscript
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+      - rel/**
+
+  workflow_dispatch:
+
+jobs:
+  unit-test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: [18.x, 20.x]
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: Setup node:${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          profile: minimal
+          override: true
+
+      - name: Install wasm-pack
+        run: |
+          cargo install wasm-pack
+
+      - name: Build Info
+        run: |
+          echo "node $(node --version)"
+          echo "npm $(npm --version)"
+          echo "yarn $(yarn --version)"
+          git --version
+          echo "base ref $GITHUB_BASE_REF"
+          echo "head ref $GITHUB_HEAD_REF"
+
+      - name: Fetch Base Ref
+        run: |
+          git fetch origin $GITHUB_BASE_REF
+
+      - name: Install Packages
+        run: yarn install --with-frozen-lockfile
+
+      - name: build packages
+        run: yarn run build
+
+      - name: Check Source Code Formatting
+        run: yarn lerna exec 'prettier --check .'
+
+      - name: Unit Test
+        run: yarn lerna run test

.gitignore

@@ -0,0 +1,3 @@
+node_modules/
+.idea/
+*.iml

README.md

@@ -1,2 +1,11 @@
 # wasm-miniscript
-WebAssembly bindings for rust-miniscript
+
+This is a wrapper around the [rust-miniscript](https://github.com/rust-bitcoin/rust-miniscript) crate that is compiled
+to WebAssembly. It allows you to use Miniscript in NodeJS and in the browser.
+
+
+# Dependencies
+
+- [Rust](https://www.rust-lang.org/) nightly
+- [wasm-pack](https://rustwasm.github.io/wasm-pack/) (install with `cargo install wasm-pack`)
+- [NodeJS](https://nodejs.org/en/)

lerna.json

@@ -0,0 +1,4 @@
+{
+  "$schema": "node_modules/lerna/schemas/lerna-schema.json",
+  "version": "0.0.0"
+}

package.json

@@ -0,0 +1,14 @@
+{
+  "name": "root",
+  "private": true,
+  "workspaces": [
+    "packages/*"
+  ],
+  "scripts": {
+    "check-fmt": "lerna run check-fmt"
+  },
+  "devDependencies": {
+    "lerna": "^8.1.6",
+    "prettier": "^3.3.2"
+  }
+}

packages/wasm-miniscript/.gitignore

@@ -0,0 +1,9 @@
+target/
+js/wasm/
+js/browser/
+node_modules/
+# we actually only track the .ts files
+js/*.js
+js/*.d.ts
+test/*.js
+test/*.d.ts

packages/wasm-miniscript/.mocharc.json

@@ -0,0 +1,4 @@
+{
+  "extension": ["js", "ts"],
+  "require": "ts-node/register"
+}

packages/wasm-miniscript/.prettierignore

@@ -0,0 +1,2 @@
+js/wasm
+target/

packages/wasm-miniscript/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "wasm-miniscript"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+wasm-bindgen = "0.2"
+js-sys = "0.3"
+miniscript = "12"