fix(rust): use new format macros (#728)

Author: dineshpinto

.github/workflows/test-rust-examples.yml

@@ -14,11 +14,20 @@ jobs:
         working-directory: ./examples/developer-hub-rust
     steps:
       - uses: actions/checkout@v4
-      - name: Install dependencies
-        run: cargo build
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt, clippy
+
+      - name: Cache dependencies
+        uses: Swatinem/rust-cache@v2
+
       - name: Format with rustfmt
         run: cargo fmt -- --check
+
       - name: Lint with clippy
         run: cargo clippy -- -D warnings
+
       - name: Run tests
         run: ./test.sh

examples/developer-hub-rust/src/bin/chain_id_coston2.rs

@@ -6,6 +6,6 @@ async fn main() -> Result<()> {
     let provider =
         ProviderBuilder::new().on_http("https://coston2-api.flare.network/ext/C/rpc".parse()?);
     let chain_id = provider.get_chain_id().await?;
-    println!("Chain ID: {}", chain_id); // Chain ID: 114
+    println!("Chain ID: {chain_id}"); // Chain ID: 114
     Ok(())
 }

examples/developer-hub-rust/src/bin/chain_id_flare.rs

@@ -6,6 +6,6 @@ async fn main() -> Result<()> {
     let provider =
         ProviderBuilder::new().on_http("https://flare-api.flare.network/ext/C/rpc".parse()?);
     let chain_id = provider.get_chain_id().await?;
-    println!("Chain ID: {}", chain_id); // Chain ID: 14
+    println!("Chain ID: {chain_id}"); // Chain ID: 14
     Ok(())
 }

examples/developer-hub-rust/src/bin/fetch_anchor_feeds.rs

@@ -22,7 +22,7 @@ pub async fn fetch_anchor_feed(
 
     let mut url = format!("{BASE_URL}api/v0/ftso/anchor-feeds-with-proof");
     if let Some(id) = voting_round_id {
-        url.push_str(&format!("?voting_round_id={}", id));
+        url.push_str(&format!("?voting_round_id={id}"));
     }
 
     let response = client
@@ -40,7 +40,7 @@ pub async fn fetch_anchor_feed(
 #[tokio::main]
 async fn main() {
     match fetch_anchor_feed(FEED_IDS, None).await {
-        Ok(data) => println!("Anchor feeds data: {:?}", data),
-        Err(err) => eprintln!("Error fetching anchor feeds: {}", err),
+        Ok(data) => println!("Anchor feeds data: {data:?}"),
+        Err(err) => eprintln!("Error fetching anchor feeds: {err}"),
     }
 }

examples/developer-hub-rust/src/bin/fetch_and_verify_anchor_onchain.rs

@@ -95,7 +95,7 @@ mod convert_type {
         // Convert hex to bytes using the hex crate
         let mut bytes = [0u8; 32];
         hex::decode_to_slice(clean_hex, &mut bytes)
-            .map_err(|e| format!("Hex decoding failed: {}", e))?;
+            .map_err(|e| format!("Hex decoding failed: {e}"))?;
 
         Ok(FixedBytes::<32>::from(bytes))
     }
@@ -154,7 +154,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         .watch()
         .await?;
 
-    println!("Save Price transaction hash: {}", tx_hash);
+    println!("Save Price transaction hash: {tx_hash}");
 
     let feed_id: FixedBytes<21> = {
         let hex_str = BTC_USD_FEED_ID

examples/developer-hub-rust/src/bin/ftsov2_consumer_coston2.rs

@@ -26,8 +26,8 @@ async fn main() -> Result<()> {
     // Fetch current feeds
     let FtsoV2::getFeedsByIdReturn { _0, _1, _2 } = ftsov2.getFeedsById(feed_ids).call().await?;
     // Print results
-    println!("Feeds:{:?} ", _0);
-    println!("Decimals:{:?} ", _1);
-    println!("Timestamp:{:?} ", _2);
+    println!("Feeds:{_0:?}");
+    println!("Decimals:{_1:?}");
+    println!("Timestamp:{_2:?}");
     Ok(())
 }

examples/developer-hub-rust/src/bin/get_feed_id.rs

@@ -2,15 +2,15 @@ fn get_feed_id(category: &str, feed_name: &str) -> String {
     let hex_feed_name = feed_name
         .as_bytes()
         .iter()
-        .map(|byte| format!("{:02x}", byte))
+        .map(|byte| format!("{byte:02x}"))
         .collect::<Vec<String>>()
         .join("");
-    let combined = format!("{}{}", category, hex_feed_name);
-    let padded_hex_string = format!("{:0<42}", combined);
-    format!("0x{}", padded_hex_string)
+    let combined = format!("{category}{hex_feed_name}");
+    let padded_hex_string = format!("{combined:0<42}");
+    format!("0x{padded_hex_string}")
 }
 
 fn main() {
     let feed_id = get_feed_id("01", "FLR/USD");
-    println!("{}", feed_id);
+    println!("{feed_id}");
 }

examples/developer-hub-rust/src/bin/secure_random_coston2.rs

@@ -25,8 +25,8 @@ async fn main() -> Result<()> {
         _randomTimestamp,
     } = random_v2.getRandomNumber().call().await?;
     // Print results
-    println!("Random Number: {:?} ", _randomNumber);
-    println!("Is secure random: {:?} ", _isSecureRandom);
-    println!("Timestamp: {:?} ", _randomTimestamp);
+    println!("Random Number: {_randomNumber:?}");
+    println!("Is secure random: {_isSecureRandom:?}");
+    println!("Timestamp: {_randomTimestamp:?}");
     Ok(())
 }

examples/developer-hub-rust/src/bin/volatility_incentive_coston2.rs

@@ -39,13 +39,10 @@ async fn main() -> Result<()> {
         incentive.getRange().call().await?;
     let FastUpdatesIncentiveManager::getScaleReturn { _0: scale } =
         incentive.getScale().call().await?;
-    println!(
-        "Sample Size Increase Price: {:?} ",
-        sample_size_increase_price
-    );
-    println!("Current Sample Size: {:?} ", expected_sample_size);
-    println!("Current Range: {:?} ", range);
-    println!("Current Scale: {:?} ", scale);
+    println!("Sample Size Increase Price: {sample_size_increase_price:?}");
+    println!("Current Sample Size: {expected_sample_size:?}");
+    println!("Current Range: {range:?}");
+    println!("Current Scale: {scale:?}");
 
     // Offer the incentive
     let offer = FastUpdatesIncentiveManager::IncentiveOffer {
@@ -59,7 +56,7 @@ async fn main() -> Result<()> {
         .await?
         .watch()
         .await?;
-    println!("Offer Incentive Tx Hash: {:?}", tx_hash);
+    println!("Offer Incentive Tx Hash: {tx_hash:?}");
 
     // Get the new sample size increase price, sample size, range, and scale
     let FastUpdatesIncentiveManager::getCurrentSampleSizeIncreasePriceReturn {
@@ -72,12 +69,9 @@ async fn main() -> Result<()> {
         incentive.getRange().call().await?;
     let FastUpdatesIncentiveManager::getScaleReturn { _0: scale } =
         incentive.getScale().call().await?;
-    println!(
-        "Sample Size Increase Price: {:?} ",
-        sample_size_increase_price
-    );
-    println!("Current Sample Size: {:?} ", exp_sample_size);
-    println!("Current Range: {:?} ", range);
-    println!("Current Scale: {:?} ", scale);
+    println!("Sample Size Increase Price: {sample_size_increase_price:?} ");
+    println!("Current Sample Size: {exp_sample_size:?}");
+    println!("Current Range: {range:?}");
+    println!("Current Scale: {scale:?}");
     Ok(())
 }