refactor: prefer inline format args

bin/sha384-extend/src/main.rs

@@ -61,13 +61,11 @@ pub fn extend_sha384(base: &str, extend: &str) -> Result<String> {
     let mut hasher = sha2::Sha384::new();
 
     hasher.update(pad::<48>(&hex::decode(base).context(format!(
-        "Failed to decode base digest '{}' - expected hex string",
-        base
+        "Failed to decode base digest '{base}' - expected hex string",
     ))?)?);
 
     hasher.update(pad::<48>(&hex::decode(extend).context(format!(
-        "Failed to decode extend digest '{}' - expected hex string",
-        extend
+        "Failed to decode extend digest '{extend}' - expected hex string",
     ))?)?);
 
     Ok(hex::encode(hasher.finalize()))

bin/tee-self-attestation-test/src/main.rs

@@ -26,7 +26,7 @@ async fn main() -> Result<()> {
         .context("failed to get quote and collateral")?;
 
     let base64_string = general_purpose::STANDARD.encode(report.quote.as_ref());
-    print!("{}", base64_string);
+    print!("{base64_string}");
 
     Ok(())
 }

bin/verify-attestation/src/main.rs

@@ -81,7 +81,7 @@ fn print_quote_verification_summary(quote_verification_result: &QuoteVerificatio
     for advisory in advisories {
         println!("\tInfo: Advisory ID: {advisory}");
     }
-    println!("Quote verification result: {}", tcblevel);
+    println!("Quote verification result: {tcblevel}");
 
     println!("{:#}", &quote.report);
 }

bin/verify-era-proof-attestation/src/client/json_rpc.rs

@@ -26,12 +26,10 @@ impl MainNodeClient {
     /// Create a new client for the main node
     pub fn new(rpc_url: Url, chain_id: u64) -> error::Result<Self> {
         let chain_id = L2ChainId::try_from(chain_id)
-            .map_err(|e| error::Error::Internal(format!("Invalid chain ID: {}", e)))?;
+            .map_err(|e| error::Error::Internal(format!("Invalid chain ID: {e}")))?;
 
         let node_client = NodeClient::http(rpc_url.into())
-            .map_err(|e| {
-                error::Error::Internal(format!("Failed to create JSON-RPC client: {}", e))
-            })?
+            .map_err(|e| error::Error::Internal(format!("Failed to create JSON-RPC client: {e}")))?
             .for_network(chain_id.into())
             .build();
 
@@ -46,13 +44,13 @@ impl JsonRpcClient for MainNodeClient {
             .get_l1_batch_details(batch_number)
             .rpc_context("get_l1_batch_details")
             .await
-            .map_err(|e| error::Error::JsonRpc(format!("Failed to get batch details: {}", e)))?
+            .map_err(|e| error::Error::JsonRpc(format!("Failed to get batch details: {e}")))?
             .ok_or_else(|| {
-                error::Error::JsonRpc(format!("No details found for batch #{}", batch_number))
+                error::Error::JsonRpc(format!("No details found for batch #{batch_number}"))
             })?;
 
         batch_details.base.root_hash.ok_or_else(|| {
-            error::Error::JsonRpc(format!("No root hash found for batch #{}", batch_number))
+            error::Error::JsonRpc(format!("No root hash found for batch #{batch_number}"))
         })
     }
 }

bin/verify-era-proof-attestation/src/core/config.rs

@@ -190,15 +190,12 @@ impl VerifierConfig {
     pub fn new(args: VerifierConfigArgs) -> error::Result<Self> {
         let policy = if let Some(path) = &args.attestation_policy_file {
             let policy_content = fs::read_to_string(path).map_err(|e| {
-                error::Error::internal(format!("Failed to read attestation policy file: {}", e))
+                error::Error::internal(format!("Failed to read attestation policy file: {e}"))
             })?;
 
             let policy_config: AttestationPolicyConfig = serde_yaml::from_str(&policy_content)
                 .map_err(|e| {
-                    error::Error::internal(format!(
-                        "Failed to parse attestation policy file: {}",
-                        e
-                    ))
+                    error::Error::internal(format!("Failed to parse attestation policy file: {e}"))
                 })?;
 
             tracing::info!("Loaded attestation policy from file: {:?}", path);

bin/verify-era-proof-attestation/src/core/types.rs

@@ -31,13 +31,13 @@ impl fmt::Display for VerifierMode {
                 end_batch,
             } => {
                 if start_batch == end_batch {
-                    write!(f, "one-shot mode (batch {})", start_batch)
+                    write!(f, "one-shot mode (batch {start_batch})")
                 } else {
-                    write!(f, "one-shot mode (batches {}-{})", start_batch, end_batch)
+                    write!(f, "one-shot mode (batches {start_batch}-{end_batch})")
                 }
             }
             VerifierMode::Continuous { start_batch } => {
-                write!(f, "continuous mode (starting from batch {})", start_batch)
+                write!(f, "continuous mode (starting from batch {start_batch})")
             }
         }
     }
@@ -89,8 +89,7 @@ impl fmt::Display for VerificationResult {
             } => {
                 write!(
                     f,
-                    "Partial Success ({} verified, {} failed)",
-                    verified_count, unverified_count
+                    "Partial Success ({verified_count} verified, {unverified_count} failed)"
                 )
             }
             VerificationResult::Failure => write!(f, "Failure"),

bin/verify-era-proof-attestation/src/main.rs

@@ -74,7 +74,7 @@ async fn main() -> Result<()> {
                 },
                 Err(e) => {
                     tracing::error!("Task panicked: {}", e);
-                    Err(Error::internal(format!("Task panicked: {}", e)))
+                    Err(Error::internal(format!("Task panicked: {e}")))
                 }
             }
         },

bin/verify-era-proof-attestation/src/proof/parsing.rs

@@ -21,7 +21,7 @@ impl ProofResponseParser {
                 }
             }
 
-            return Err(error::Error::JsonRpc(format!("JSONRPC error: {:?}", error)));
+            return Err(error::Error::JsonRpc(format!("JSONRPC error: {error:?}")));
         }
 
         // Extract proofs from the result

bin/verify-era-proof-attestation/src/verification/attestation.rs

@@ -17,7 +17,7 @@ impl AttestationVerifier {
         // Get current time for verification
         let unix_time: i64 = std::time::SystemTime::now()
             .duration_since(std::time::UNIX_EPOCH)
-            .map_err(|e| error::Error::internal(format!("Failed to get system time: {}", e)))?
+            .map_err(|e| error::Error::internal(format!("Failed to get system time: {e}")))?
             .as_secs() as _;
 
         // Verify the quote with the collateral

bin/verify-era-proof-attestation/src/verification/policy.rs

@@ -107,8 +107,7 @@ impl PolicyEnforcer {
     ) -> Result<()> {
         if !allowed_levels.contains(actual_level) {
             let error_msg = format!(
-                "Quote verification failed: TCB level mismatch (expected one of: {:?}, actual: {})",
-                allowed_levels, actual_level
+                "Quote verification failed: TCB level mismatch (expected one of: {allowed_levels:?}, actual: {actual_level})",
             );
             return Err(Error::policy_violation(error_msg));
         }
@@ -152,8 +151,7 @@ impl PolicyEnforcer {
                     .collect::<Vec<_>>()
                     .join(", ");
                 let error_msg = format!(
-                    "Quote verification failed: {} mismatch (expected one of: [ {} ], actual: {:x})",
-                    field_name, valid_values, actual_value
+                    "Quote verification failed: {field_name} mismatch (expected one of: [ {valid_values} ], actual: {actual_value:x})"
                 );
                 return Err(Error::policy_violation(error_msg));
             }

bin/verify-era-proof-attestation/src/verification/signature.rs

@@ -30,9 +30,8 @@ impl SignatureVerifier {
         let report_data_bytes = quote_verification_result.quote.get_report_data();
         tracing::trace!(?report_data_bytes);
 
-        let report_data = ReportData::try_from(report_data_bytes).map_err(|e| {
-            error::Error::internal(format!("Could not convert to ReportData: {}", e))
-        })?;
+        let report_data = ReportData::try_from(report_data_bytes)
+            .map_err(|e| error::Error::internal(format!("Could not convert to ReportData: {e}")))?;
 
         Self::verify(&report_data, &root_hash, signature)
     }
@@ -100,7 +99,7 @@ impl SignatureVerifier {
                     })?;
 
                 recover_signer(&signature_bytes, &root_hash_msg).map_err(|e| {
-                    error::Error::signature_verification(format!("Failed to recover signer: {}", e))
+                    error::Error::signature_verification(format!("Failed to recover signer: {e}"))
                 })?
             }
             // Any other length is invalid

crates/intel-dcap-api/src/client/helpers.rs

@@ -25,20 +25,18 @@ impl ApiClient {
 
         if technology == "tdx" && self.api_version == ApiVersion::V3 {
             return Err(IntelApiError::UnsupportedApiVersion(format!(
-                "TDX endpoint /{}/{}/{} requires API v4",
-                service, endpoint, technology
+                "TDX endpoint /{service}/{endpoint}/{technology} requires API v4",
             )));
         }
         if technology == "sgx" && service == "registration" {
             // Registration paths are fixed at v1 regardless of client's api_version
-            return Ok(format!("/sgx/registration/v1/{}", endpoint).replace("//", "/"));
+            return Ok(format!("/sgx/registration/v1/{endpoint}").replace("//", "/"));
         }
 
-        Ok(format!(
-            "/{}/certification/{}/{}/{}",
-            technology, api_segment, service, endpoint
+        Ok(
+            format!("/{technology}/certification/{api_segment}/{service}/{endpoint}")
+                .replace("//", "/"),
         )
-        .replace("//", "/"))
     }
 
     /// Helper to add an optional header if the string is non-empty.
@@ -187,13 +185,11 @@ impl ApiClient {
     /// Ensures the client is configured for API v4, otherwise returns an error.
     pub(super) fn ensure_v4_api(&self, function_name: &str) -> Result<(), IntelApiError> {
         if self.api_version != ApiVersion::V4 {
-            Err(IntelApiError::UnsupportedApiVersion(format!(
-                "{} requires API v4",
-                function_name
-            )))
-        } else {
-            Ok(())
+            return Err(IntelApiError::UnsupportedApiVersion(format!(
+                "{function_name} requires API v4",
+            )));
         }
+        Ok(())
     }
 
     /// Checks if a V4-only parameter is provided with a V3 API version.
@@ -204,8 +200,7 @@ impl ApiClient {
     ) -> Result<(), IntelApiError> {
         if self.api_version == ApiVersion::V3 && param_value.is_some() {
             Err(IntelApiError::UnsupportedApiVersion(format!(
-                "'{}' parameter requires API v4",
-                param_name
+                "'{param_name}' parameter requires API v4",
             )))
         } else {
             Ok(())

crates/teepot/src/log/mod.rs

@@ -53,10 +53,7 @@ pub fn setup_logging(
         .try_from_env()
         .unwrap_or(match *log_level {
             LevelFilter::OFF => EnvFilter::new("off"),
-            _ => EnvFilter::new(format!(
-                "warn,{crate_name}={log_level},teepot={log_level}",
-                log_level = log_level
-            )),
+            _ => EnvFilter::new(format!("warn,{crate_name}={log_level},teepot={log_level}")),
         });
 
     let fmt_layer = tracing_subscriber::fmt::layer()

crates/teepot/src/prover/reportdata.rs

@@ -37,8 +37,7 @@ pub enum ReportData {
 fn report_data_to_bytes(data: &[u8], version: u8) -> [u8; REPORT_DATA_LENGTH] {
     debug_assert!(
         data.len() < REPORT_DATA_LENGTH, // Ensure there is space for the version byte
-        "Data length exceeds maximum of {} bytes",
-        REPORT_DATA_LENGTH
+        "Data length exceeds maximum of {REPORT_DATA_LENGTH} bytes",
     );
     let mut bytes = [0u8; REPORT_DATA_LENGTH];
     bytes[..data.len()].copy_from_slice(data);

crates/teepot/src/quote/error.rs

@@ -104,7 +104,7 @@ pub trait QuoteContextErr {
 impl<T, E: std::fmt::Display> QuoteContextErr for Result<T, E> {
     type Ok = T;
     fn str_context<I: std::fmt::Display>(self, msg: I) -> Result<T, QuoteError> {
-        self.map_err(|e| QuoteError::Unexpected(format!("{}: {}", msg, e)))
+        self.map_err(|e| QuoteError::Unexpected(format!("{msg}: {e}")))
     }
 }
 

crates/teepot/src/quote/mod.rs

@@ -583,7 +583,7 @@ impl Display for TEEType {
             TEEType::TDX => "tdx",
             TEEType::SNP => "snp",
         };
-        write!(f, "{}", str)
+        write!(f, "{str}")
     }
 }
 

crates/teepot/src/quote/phala.rs

@@ -134,14 +134,14 @@ fn convert_to_collateral(
 /// Split the last zero byte
 fn get_str_from_bytes(bytes: &[u8], context: &str) -> Result<String, QuoteError> {
     let c_str = CStr::from_bytes_until_nul(bytes)
-        .str_context(format!("Failed to extract CString: {}", context))?;
+        .str_context(format!("Failed to extract CString: {context}"))?;
     Ok(c_str.to_string_lossy().into_owned())
 }
 
 /// Parse JSON field from collateral data
 fn parse_json_field(data: &[u8], context: &str) -> Result<serde_json::Value, QuoteError> {
     serde_json::from_str(&get_str_from_bytes(data, context)?)
-        .str_context(format!("Failed to parse JSON: {}", context))
+        .str_context(format!("Failed to parse JSON: {context}"))
 }
 
 /// Convert Collateral to QuoteCollateralV3

crates/teepot/src/quote/tcblevel.rs

@@ -46,7 +46,7 @@ impl FromStr for TcbLevel {
             "outofdate" => Ok(TcbLevel::OutOfDate),
             "outofdateconfigneeded" => Ok(TcbLevel::OutOfDateConfigNeeded),
             "invalid" => Ok(TcbLevel::Invalid),
-            _ => Err(format!("Invalid TCB level: {}", s)),
+            _ => Err(format!("Invalid TCB level: {s}")),
         }
     }
 }
@@ -72,8 +72,8 @@ pub fn parse_tcb_levels(
     let mut set = EnumSet::new();
     for level_str in s.split(',') {
         let level_str = level_str.trim();
-        let level = TcbLevel::from_str(level_str)
-            .map_err(|_| format!("Invalid TCB level: {}", level_str))?;
+        let level =
+            TcbLevel::from_str(level_str).map_err(|_| format!("Invalid TCB level: {level_str}"))?;
         set.insert(level);
     }
     Ok(set)