chore: no_std for reth-execution-types (#14465)

crates/prune/types/Cargo.toml

@@ -37,6 +37,14 @@ test-fuzz.workspace = true
 toml.workspace = true
 
 [features]
+default = ["std"]
+std = [
+    "alloy-primitives/std",
+    "derive_more/std",
+    "serde?/std",
+    "serde_json/std",
+    "thiserror/std",
+]
 test-utils = [
     "dep:arbitrary",
     "reth-codecs?/test-utils",

crates/prune/types/src/event.rs

@@ -1,6 +1,7 @@
 use crate::PrunedSegmentInfo;
+use alloc::vec::Vec;
 use alloy_primitives::BlockNumber;
-use std::time::Duration;
+use core::time::Duration;
 
 /// An event emitted by a pruner.
 #[derive(Debug, PartialEq, Eq, Clone)]

crates/prune/types/src/lib.rs

@@ -7,6 +7,9 @@
 )]
 #![cfg_attr(not(test), warn(unused_crate_dependencies))]
 #![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
+#![cfg_attr(not(feature = "std"), no_std)]
+
+extern crate alloc;
 
 mod checkpoint;
 mod event;
@@ -15,7 +18,10 @@ mod pruner;
 mod segment;
 mod target;
 
+use alloc::{collections::BTreeMap, vec::Vec};
+use alloy_primitives::{Address, BlockNumber};
 pub use checkpoint::PruneCheckpoint;
+use core::ops::Deref;
 pub use event::PrunerEvent;
 pub use mode::PruneMode;
 pub use pruner::{
@@ -23,12 +29,8 @@ pub use pruner::{
     SegmentOutputCheckpoint,
 };
 pub use segment::{PrunePurpose, PruneSegment, PruneSegmentError};
-use std::collections::BTreeMap;
 pub use target::{PruneModes, MINIMUM_PRUNING_DISTANCE};
 
-use alloy_primitives::{Address, BlockNumber};
-use std::ops::Deref;
-
 /// Configuration for pruning receipts not associated with logs emitted by the specified contracts.
 #[derive(Debug, Clone, PartialEq, Eq, Default)]
 #[cfg_attr(any(test, feature = "serde"), derive(serde::Serialize, serde::Deserialize))]

crates/prune/types/src/pruner.rs

@@ -1,4 +1,5 @@
 use crate::{PruneCheckpoint, PruneMode, PruneSegment};
+use alloc::vec::Vec;
 use alloy_primitives::{BlockNumber, TxNumber};
 use derive_more::Display;
 

crates/prune/types/src/target.rs

@@ -99,6 +99,7 @@ fn deserialize_opt_prune_mode_with_min_blocks<
 >(
     deserializer: D,
 ) -> Result<Option<PruneMode>, D::Error> {
+    use alloc::format;
     use serde::Deserialize;
     let prune_mode = Option::<PruneMode>::deserialize(deserializer)?;