chore: migrate rust/backend_wasm64 to icp-cli

.github/workflows/backend_wasm64.yml

@@ -0,0 +1,25 @@
+name: backend_wasm64
+on:
+  push:
+    branches: [master]
+  pull_request:
+    paths:
+      - rust/backend_wasm64/**
+      - .github/workflows/backend_wasm64.yml
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+jobs:
+  rust-backend_wasm64:
+    runs-on: ubuntu-24.04
+    container: ghcr.io/dfinity/icp-dev-env-rust:1.0.1
+    env:
+      ICP_CLI_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      - name: Deploy and test
+        working-directory: rust/backend_wasm64
+        run: |
+          icp network start -d
+          icp deploy
+          bash test.sh

rust/backend_wasm64/README.md

@@ -17,20 +17,17 @@ The Wasm64 target allows canisters to:
 
 This example uses the `build.sh` script to build for Wasm64 using Rust's nightly toolchain and the `-Z build-std` feature.
 
-## Deploying from ICP Ninja
-
-This example can be deployed directly from [ICP Ninja](https://icp.ninja), a browser-based IDE for ICP. To continue developing locally after deploying from ICP Ninja, see [BUILD.md](BUILD.md).
-
+<!--
 [![Open in ICP Ninja](https://icp.ninja/assets/open.svg)](https://icp.ninja/i?g=https://github.com/dfinity/examples/rust/backend_wasm64)
-
-> **Note:** ICP Ninja currently uses `dfx` under the hood, which is why this example includes a `dfx.json` configuration file. `dfx` is the legacy CLI, being superseded by [icp-cli](https://cli.icp.build), which is what developers should use for local development.
+-->
 
 ## Build and deploy from the command line
 
 ### Prerequisites
 
-- [x] Install [Node.js](https://nodejs.org/en/download/)
-- [x] Install [icp-cli](https://cli.icp.build): `npm install -g @icp-sdk/icp-cli @icp-sdk/ic-wasm`
+- [Node.js](https://nodejs.org/) v18+
+- [icp-cli](https://cli.internetcomputer.org/): `npm install -g @icp-sdk/icp-cli @icp-sdk/ic-wasm`
+- [Rust](https://www.rust-lang.org/tools/install) with nightly toolchain (installed automatically by `build.sh`)
 
 ### Install
 
@@ -41,7 +38,7 @@ git clone https://github.com/dfinity/examples
 cd examples/rust/backend_wasm64
 ```
 
-### Deployment
+### Deploy and test
 
 Start the local network:
 
@@ -55,6 +52,12 @@ Deploy the canister:
 icp deploy
 ```
 
+Run the tests:
+
+```bash
+bash test.sh
+```
+
 Stop the local network when done:
 
 ```bash
@@ -63,4 +66,4 @@ icp network stop
 
 ## Security considerations and best practices
 
-If you base your application on this example, it is recommended that you familiarize yourself with and adhere to the [security best practices](https://internetcomputer.org/docs/building-apps/security/overview) for developing on ICP. This example may not implement all the best practices.
+If you base your application on this example, it is recommended that you familiarize yourself with and adhere to the [security best practices](https://docs.internetcomputer.org/guides/security/overview) for developing on ICP. This example may not implement all the best practices.

rust/backend_wasm64/backend/Cargo.toml

@@ -1,14 +1,12 @@
 [package]
 name = "backend"
 version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+edition = "2024"
 
 [lib]
 crate-type = ["cdylib"]
 path = "lib.rs"
 
 [dependencies]
-candid = "0.10.10"
-ic-cdk = "0.18.0"
+candid = "0.10"
+ic-cdk = "0.20"

rust/backend_wasm64/test.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+set -e
+
+echo "=== Test 1: greet returns expected greeting ==="
+result=$(icp canister call --query backend greet '("World")')
+echo "$result"
+echo "$result" | grep -q "Hello, World!" && echo "PASS" || (echo "FAIL" && exit 1)