feat: tx and receipt compression utils for no-std config (#11112)

crates/primitives/src/compression/mod.rs

@@ -1,6 +1,5 @@
 use alloc::vec::Vec;
 use core::cell::RefCell;
-use std::thread_local;
 use zstd::bulk::{Compressor, Decompressor};
 
 /// Compression/Decompression dictionary for `Receipt`.
@@ -10,7 +9,8 @@ pub static TRANSACTION_DICTIONARY: &[u8] = include_bytes!("./transaction_diction
 
 // We use `thread_local` compressors and decompressors because dictionaries can be quite big, and
 // zstd-rs recommends to use one context/compressor per thread
-thread_local! {
+#[cfg(feature = "std")]
+std::thread_local! {
     /// Thread Transaction compressor.
     pub static TRANSACTION_COMPRESSOR: RefCell<Compressor<'static>> = RefCell::new(
         Compressor::with_dictionary(0, TRANSACTION_DICTIONARY)
@@ -38,6 +38,33 @@ thread_local! {
         ));
 }
 
+/// Fn creates tx [`Compressor`]
+pub fn create_tx_compressor() -> Compressor<'static> {
+    Compressor::with_dictionary(0, RECEIPT_DICTIONARY).expect("Failed to instantiate tx compressor")
+}
+
+/// Fn creates tx [`Decompressor`]
+pub fn create_tx_decompressor() -> ReusableDecompressor {
+    ReusableDecompressor::new(
+        Decompressor::with_dictionary(TRANSACTION_DICTIONARY)
+            .expect("Failed to instantiate tx decompressor"),
+    )
+}
+
+/// Fn creates receipt [`Compressor`]
+pub fn create_receipt_compressor() -> Compressor<'static> {
+    Compressor::with_dictionary(0, RECEIPT_DICTIONARY)
+        .expect("Failed to instantiate receipt compressor")
+}
+
+/// Fn creates receipt [`Decompressor`]
+pub fn create_receipt_decompressor() -> ReusableDecompressor {
+    ReusableDecompressor::new(
+        Decompressor::with_dictionary(RECEIPT_DICTIONARY)
+            .expect("Failed to instantiate receipt decompressor"),
+    )
+}
+
 /// Reusable decompressor that uses its own internal buffer.
 #[allow(missing_debug_implementations)]
 pub struct ReusableDecompressor {