feat(derive): Remove metrics (#743)

* feat(derive): remove metrics

* not(test)

crates/derive/Cargo.toml

@@ -37,10 +37,6 @@ derive_more = { workspace = true, features = ["full"] }
 # `serde` feature dependencies
 serde = { workspace = true, optional = true, features = ["derive"] }
 
-# `metrics` feature dependencies
-lazy_static = { workspace = true, optional = true }
-prometheus = { workspace = true, optional = true, features = ["process"] }
-
 # `test-utils` feature dependencies
 spin = { workspace = true, optional = true }
 anyhow = { workspace = true, optional = true }
@@ -63,10 +59,6 @@ alloy-primitives = { workspace = true, features = ["rlp", "k256", "map", "arbitr
 
 [features]
 default = ["serde"]
-metrics = [
-  "dep:prometheus",
-  "dep:lazy_static",
-]
 serde = [
   "dep:serde",
   "alloy-primitives/serde",

crates/derive/src/batch/mod.rs

@@ -114,6 +114,7 @@ impl Batch {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use alloc::vec;
 
     #[test]
     fn test_timestamp() {

crates/derive/src/batch/span_batch/transactions.rs

@@ -373,6 +373,7 @@ impl SpanBatchTransactions {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use alloc::vec;
     use alloy_consensus::{Signed, TxEip1559, TxEip2930, TxLegacy};
     use alloy_primitives::{address, Signature, TxKind};
 

crates/derive/src/lib.rs

@@ -4,8 +4,8 @@
     html_favicon_url = "https://raw.githubusercontent.com/anton-rs/kona/main/assets/favicon.ico"
 )]
 #![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
-#![cfg_attr(not(any(test, feature = "metrics")), no_std)]
 #![cfg_attr(not(any(test, feature = "test-utils")), warn(unused_crate_dependencies))]
+#![cfg_attr(not(test), no_std)]
 
 extern crate alloc;
 
@@ -28,10 +28,5 @@ pub mod sources;
 pub mod stages;
 pub mod traits;
 
-mod macros;
-
-#[cfg(feature = "metrics")]
-pub mod metrics;
-
 #[cfg(any(test, feature = "test-utils"))]
 pub mod test_utils;

crates/derive/src/pipeline/core.rs

@@ -178,7 +178,7 @@ mod tests {
         test_utils::{TestL2ChainProvider, *},
         traits::{ActivationSignal, Pipeline, ResetSignal, Signal, SignalReceiver},
     };
-    use alloc::sync::Arc;
+    use alloc::{string::ToString, sync::Arc};
     use alloy_rpc_types_engine::PayloadAttributes;
     use op_alloy_genesis::{RollupConfig, SystemConfig};
     use op_alloy_protocol::L2BlockInfo;