Add unit and wasm tests

Author: Mauro Lacy

.github/workflows/local-tests.yml

@@ -0,0 +1,16 @@
+name: babylonlabs/op-finality-gadget/local-tests
+on:
+  pull_request:
+    branches:
+      - '**'
+env:
+  CARGO_TERM_COLOR: always
+jobs:
+  local-build-test:
+    runs-on: ubuntu-latest
+    container:
+      image: rust:1.78.0
+    steps:
+    - uses: actions/[email protected]
+    - name: Build contracts, check formats, and run unit tests
+      run: cargo test --lib

.github/workflows/wasm-tests-full.yml

@@ -0,0 +1,27 @@
+name: babylonlabs/op-finality-gadget/wasm-tests-full
+on:
+  pull_request:
+    branches:
+      - '**'
+env:
+  CARGO_TERM_COLOR: always
+  WORKSPACE: "/home/runner/work/op-finality-gadget"
+jobs:
+  wasm-build-check-integration-full:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/[email protected]
+    - name: Build optimised Wasm binaries
+      run: "./scripts/optimizer.sh"
+    - name: List optimised Wasm binaries
+      run: bash -c "ls $WORKSPACE/artifacts/*.wasm"
+    - name: Install cosmwasm-check
+      run: cargo install --locked --debug --version ^2.0 cosmwasm-check
+    - name: Check the Wasm binaries' validity
+      run: bash -c "cosmwasm-check $WORKSPACE/artifacts/*.wasm"
+    - name: Integration tests based on CosmWasm
+      run: cargo test --test integration
+    - uses: actions/[email protected]
+      with:
+        path: |-
+          artifacts/op_finality_gadget.wasm