Running CI also on windows and macOS (#512)

* Running CI also on windows and macOS

* Rust 2021 formatting

* clippy::upper_case_acronyms where appropriate

* Allowing unknown clippy lints

* Further clippy updates

* Building wasm client during CI

* wasm actions update

* added working directory to cargo jobs

* Temporarily disabled wasm test and clippy

.github/workflows/build.yml

@@ -4,14 +4,12 @@ on: [push, pull_request]
 
 jobs:
   ci:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     continue-on-error: ${{ matrix.rust == 'nightly' }}
     strategy:
       matrix:
-        rust:
-          - stable
-          - beta
-          - nightly
+        rust: [stable, beta, nightly]
+        os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:
       - uses: actions/checkout@v2

.github/workflows/wasm_client_build.yml

@@ -0,0 +1,39 @@
+name: Wasm Client
+
+on: [push, pull_request]
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          target: wasm32-unknown-unknown
+          override: true
+          components: rustfmt, clippy
+
+      - uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --manifest-path clients/webassembly/Cargo.toml --target wasm32-unknown-unknown
+
+# for some reason this does not seem to work correctly, leave it for later, building is good enough for now
+#      - uses: actions-rs/cargo@v1
+#        with:
+#          command: test
+#          args: --manifest-path clients/webassembly/Cargo.toml --target wasm32-unknown-unknown
+
+      - uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --manifest-path clients/webassembly/Cargo.toml -- --check
+
+# for some reason this does not seem to work correctly, leave it for later, building is good enough for now
+#      - uses: actions-rs/cargo@v1
+#        with:
+#          command: clippy
+#          args: --manifest-path clients/webassembly/Cargo.toml --target wasm32-unknown-unknown -- -D warnings