Add WASM CI checks and make availability-store compile for WASM (#626)

* Make availability-store compile for WASM

* Use --manifest-path instead

polkadot/.gitlab-ci.yml

@@ -40,7 +40,7 @@ variables:
 .docker-env:                       &docker-env
   retry:
     max: 2
-    when: 
+    when:
       - runner_system_failure
       - unknown_failure
       - api_failure
@@ -131,6 +131,23 @@ test-linux-stable:                 &test
     - sccache -s
 
 
+check-web-wasm:                    &test
+  stage:                           test
+  <<:                              *test-refs
+  <<:                              *docker-env
+  <<:                              *compiler_info
+  script:
+    # WASM support is in progress. As more and more crates support WASM, we
+    # should add entries here. See https://github.com/paritytech/polkadot/issues/625
+    - time cargo build --locked --target=wasm32-unknown-unknown --manifest-path availability-store/Cargo.toml
+    - time cargo build --locked --target=wasm32-unknown-unknown --manifest-path executor/Cargo.toml
+    - time cargo build --locked --target=wasm32-unknown-unknown --manifest-path erasure-coding/Cargo.toml
+    - time cargo build --locked --target=wasm32-unknown-unknown --manifest-path parachain/Cargo.toml
+    - time cargo build --locked --target=wasm32-unknown-unknown --manifest-path primitives/Cargo.toml
+    - time cargo build --locked --target=wasm32-unknown-unknown --manifest-path rpc/Cargo.toml
+    - time cargo build --locked --target=wasm32-unknown-unknown --manifest-path runtime/Cargo.toml
+    - time cargo build --locked --target=wasm32-unknown-unknown --manifest-path statement-table/Cargo.toml
+    - sccache -s
 
 
 build-linux-release:               &build
@@ -209,7 +226,7 @@ publish-docker-release:
     - docker build
       --build-arg VCS_REF="${CI_COMMIT_SHA}"
       --build-arg BUILD_DATE="$(date -u '+%Y-%m-%dT%H:%M:%SZ')"
-      --tag $CONTAINER_IMAGE:$VERSION 
+      --tag $CONTAINER_IMAGE:$VERSION
       --tag $CONTAINER_IMAGE:$EXTRATAG .
     - docker push $CONTAINER_IMAGE:$VERSION
     - docker push $CONTAINER_IMAGE:$EXTRATAG