add rust workspace and update crates version

.github/dependabot.yml

@@ -0,0 +1,18 @@
+version: 2
+updates:
+  - package-ecosystem: "cargo"
+    directory: "/"
+    schedule:
+      interval: weekly
+    # ignore:
+    # # these need to be updated together, so dependabot PRs
+    # # are just noise. So, ignore them:
+    # - dependency-name: sp-core
+    # - dependency-name: sp-keyring
+    # - dependency-name: sp-runtime
+    # - dependency-name: sp-core-hashing
+    # - dependency-name: sp-version
+  - package-ecosystem: github-actions
+    directory: '/'
+    schedule:
+      interval: weekly

.github/workflows/rust.yml

@@ -0,0 +1,64 @@
+# The name of your workflow. GitHub displays the names of your workflows on your repository's "Actions" tab
+name: Rust
+
+# To automatically trigger the workflow
+on:
+  # NB: this differs from the book's project!
+  # These settings allow us to run this specific CI pipeline for PRs against
+  # this specific branch (a.k.a. book chapter).
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [ opened, synchronize, reopened ]
+    branches:
+      - main
+
+# A workflow run is made up of one or more jobs, which run in parallel by default
+# Each job runs in a runner environment specified by runs-on
+jobs:
+  # Unique identifier of our job (`job_id`)
+  test:
+    # Sets the name `Test` for the job, which is displayed in the GitHub UI
+    name: Test
+    # Containers must run in Linux based operating systems
+    runs-on: ubuntu-latest
+    steps:
+        # Downloads a copy of the code in your repository before running CI tests
+      - name: Check out repository code
+        # The uses keyword specifies that this step will run v3 of the actions/checkout action.
+        # This is an action that checks out your repository onto the runner, allowing you to run scripts or other actions against your code (such as build and test tools).
+        # You should use the checkout action any time your workflow will run against the repository's code.
+        uses: actions/checkout@v3
+
+       # This GitHub Action installs a Rust toolchain using rustup. It is designed for one-line concise usage and good defaults.
+      - name: Install the Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Run tests
+        run: cargo test
+
+  # `fmt` container job
+  fmt:
+    name: Rustfmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          # Specific to dtolnay/rust-toolchain: Comma-separated string of additional components to install
+          components: rustfmt
+      - name: Enforce formatting
+        run: cargo fmt --check
+
+  # `clippy` container job
+  clippy:
+    name: Clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+      - name: Linting
+        run: cargo clippy -- -D warnings

.gitignore

@@ -14,3 +14,5 @@ test-ledger/
 **/*.rs.bk
 **/*/test-ledger
 **/*/yarn.lock
+
+/target