feat(papyrus_storage): get casm and sierra

crates/blockifier/src/execution/contract_class.rs

@@ -21,7 +21,7 @@ use itertools::Itertools;
 use semver::Version;
 use serde::de::Error as DeserializationError;
 use serde::{Deserialize, Deserializer, Serialize};
-use starknet_api::contract_class::{ContractClass, EntryPointType};
+use starknet_api::contract_class::{ContractClass, EntryPointType, SierraVersion};
 use starknet_api::core::EntryPointSelector;
 use starknet_api::deprecated_contract_class::{
     ContractClass as DeprecatedContractClass,
@@ -67,6 +67,25 @@ pub enum RunnableCompiledClass {
     V1Native(NativeCompiledClassV1),
 }
 
+/// Represents a runnable compiled class for Cairo, with the Sierra version (for Cairo 1).
+pub enum VersionedRunnableCompiledClass {
+    Cairo0(RunnableCompiledClass),
+    Cairo1((RunnableCompiledClass, SierraVersion)),
+}
+
+impl From<VersionedRunnableCompiledClass> for RunnableCompiledClass {
+    fn from(
+        versioned_runnable_compiled_class: VersionedRunnableCompiledClass,
+    ) -> RunnableCompiledClass {
+        match versioned_runnable_compiled_class {
+            VersionedRunnableCompiledClass::Cairo0(runnable_compiled_class)
+            | VersionedRunnableCompiledClass::Cairo1((runnable_compiled_class, _)) => {
+                runnable_compiled_class
+            }
+        }
+    }
+}
+
 impl TryFrom<ContractClass> for RunnableCompiledClass {
     type Error = ProgramError;
 

crates/blockifier/src/state/errors.rs

@@ -1,13 +1,17 @@
+use cairo_lang_starknet_classes::casm_contract_class::CasmContractClass;
 use cairo_vm::types::errors::program_errors::ProgramError;
 use num_bigint::{BigUint, TryFromBigIntError};
 use starknet_api::core::{ClassHash, ContractAddress};
+use starknet_api::state::SierraContractClass;
 use starknet_api::StarknetApiError;
 use thiserror::Error;
 
 use crate::abi::constants;
 
 #[derive(Debug, Error)]
 pub enum StateError {
+    #[error("CASM and Sierra mismatch for class hash {:#064x}: {message}.", class_hash.0)]
+    CasmAndSierraMismatch { class_hash: ClassHash, message: String },
     #[error(transparent)]
     FromBigUint(#[from] TryFromBigIntError<BigUint>),
     #[error(
@@ -29,3 +33,25 @@ pub enum StateError {
     #[error("Failed to read from state: {0}.")]
     StateReadError(String),
 }
+
+/// Ensures that the CASM and Sierra classes are coupled - Meaning that they both exist or are
+/// missing. Returns a `CasmAndSierraMismatch` error when there is an inconsistency in their
+/// existence.
+pub fn couple_casm_and_sierra(
+    class_hash: ClassHash,
+    option_casm: Option<CasmContractClass>,
+    option_sierra: Option<SierraContractClass>,
+) -> Result<Option<(CasmContractClass, SierraContractClass)>, StateError> {
+    match (option_casm, option_sierra) {
+        (Some(casm), Some(sierra)) => Ok(Some((casm, sierra))),
+        (Some(_), None) => Err(StateError::CasmAndSierraMismatch {
+            class_hash,
+            message: "Class exists in CASM but not in Sierra".to_string(),
+        }),
+        (None, Some(_)) => Err(StateError::CasmAndSierraMismatch {
+            class_hash,
+            message: "Class exists in Sierra but not in CASM".to_string(),
+        }),
+        (None, None) => Ok(None),
+    }
+}

crates/papyrus_state_reader/src/papyrus_state.rs

@@ -2,15 +2,17 @@ use blockifier::execution::contract_class::{
     CompiledClassV0,
     CompiledClassV1,
     RunnableCompiledClass,
+    VersionedRunnableCompiledClass,
 };
-use blockifier::state::errors::StateError;
+use blockifier::state::errors::{couple_casm_and_sierra, StateError};
 use blockifier::state::global_cache::GlobalContractCache;
 use blockifier::state::state_api::{StateReader, StateResult};
 use papyrus_storage::compiled_class::CasmStorageReader;
 use papyrus_storage::db::RO;
 use papyrus_storage::state::StateStorageReader;
 use papyrus_storage::StorageReader;
 use starknet_api::block::BlockNumber;
+use starknet_api::contract_class::SierraVersion;
 use starknet_api::core::{ClassHash, CompiledClassHash, ContractAddress, Nonce};
 use starknet_api::state::{StateNumber, StorageKey};
 use starknet_types_core::felt::Felt;
@@ -46,7 +48,7 @@ impl PapyrusReader {
     fn get_compiled_class_inner(
         &self,
         class_hash: ClassHash,
-    ) -> StateResult<RunnableCompiledClass> {
+    ) -> StateResult<VersionedRunnableCompiledClass> {
         let state_number = StateNumber(self.latest_block);
         let class_declaration_block_number = self
             .reader()?
@@ -57,16 +59,20 @@ impl PapyrusReader {
                         Some(block_number) if block_number <= state_number.0);
 
         if class_is_declared {
-            let casm_compiled_class = self
+            let (option_casm, option_sierra) = self
                 .reader()?
-                .get_casm(&class_hash)
-                .map_err(|err| StateError::StateReadError(err.to_string()))?
-                .expect(
-                    "Should be able to fetch a Casm class if its definition exists, database is \
-                     inconsistent.",
+                .get_casm_and_sierra(&class_hash)
+                .map_err(|err| StateError::StateReadError(err.to_string()))?;
+            let (casm_compiled_class, sierra) =
+                couple_casm_and_sierra(class_hash, option_casm, option_sierra)?.expect(
+                    "Should be able to fetch a Casm and Sierra class if its definition exists, \
+                     database is inconsistent.",
                 );
+            let sierra_version = SierraVersion::extract_from_program(&sierra.sierra_program)?;
+            let runnable_compiled =
+                RunnableCompiledClass::V1(CompiledClassV1::try_from(casm_compiled_class)?);
 
-            return Ok(RunnableCompiledClass::V1(CompiledClassV1::try_from(casm_compiled_class)?));
+            return Ok(VersionedRunnableCompiledClass::Cairo1((runnable_compiled, sierra_version)));
         }
 
         let v0_compiled_class = self
@@ -76,9 +82,9 @@ impl PapyrusReader {
             .map_err(|err| StateError::StateReadError(err.to_string()))?;
 
         match v0_compiled_class {
-            Some(starknet_api_contract_class) => {
-                Ok(CompiledClassV0::try_from(starknet_api_contract_class)?.into())
-            }
+            Some(starknet_api_contract_class) => Ok(VersionedRunnableCompiledClass::Cairo0(
+                CompiledClassV0::try_from(starknet_api_contract_class)?.into(),
+            )),
             None => Err(StateError::UndeclaredClassHash(class_hash)),
         }
     }
@@ -131,7 +137,8 @@ impl StateReader for PapyrusReader {
         match contract_class {
             Some(contract_class) => Ok(contract_class),
             None => {
-                let contract_class_from_db = self.get_compiled_class_inner(class_hash)?;
+                let contract_class_from_db =
+                    RunnableCompiledClass::from(self.get_compiled_class_inner(class_hash)?);
                 // The class was declared in a previous (finalized) state; update the global cache.
                 self.global_class_hash_to_class.set(class_hash, contract_class_from_db.clone());
                 Ok(contract_class_from_db)

crates/papyrus_storage/Cargo.toml

@@ -62,6 +62,7 @@ pretty_assertions.workspace = true
 prometheus-parse.workspace = true
 rand.workspace = true
 rand_chacha.workspace = true
+rstest.workspace = true
 schemars = { workspace = true, features = ["preserve_order"] }
 simple_logger.workspace = true
 tempfile = { workspace = true }

crates/papyrus_storage/src/compiled_class.rs

@@ -50,7 +50,9 @@ use cairo_lang_starknet_classes::casm_contract_class::CasmContractClass;
 use papyrus_proc_macros::latency_histogram;
 use starknet_api::block::BlockNumber;
 use starknet_api::core::ClassHash;
+use starknet_api::state::SierraContractClass;
 
+use crate::class::ClassStorageReader;
 use crate::db::serialization::VersionZeroWrapper;
 use crate::db::table_types::{SimpleTable, Table};
 use crate::db::{DbTransaction, TableHandle, TransactionKind, RW};
@@ -61,6 +63,13 @@ use crate::{FileHandlers, MarkerKind, MarkersTable, OffsetKind, StorageResult, S
 pub trait CasmStorageReader {
     /// Returns the Cairo assembly of a class given its Sierra class hash.
     fn get_casm(&self, class_hash: &ClassHash) -> StorageResult<Option<CasmContractClass>>;
+    /// Returns the CASM and Sierra contract classes for the given hash.
+    /// If both exist, returns `(Some(casm), Some(sierra))`. If neither, returns `(None, None)`.
+    /// If only one exists, returns `(Some, None)` or `(None, Some)`.
+    fn get_casm_and_sierra(
+        &self,
+        class_hash: &ClassHash,
+    ) -> StorageResult<(Option<CasmContractClass>, Option<SierraContractClass>)>;
     /// The block marker is the first block number that doesn't exist yet.
     ///
     /// Note: If the last blocks don't contain any declared classes, the marker will point at the
@@ -85,6 +94,13 @@ impl<Mode: TransactionKind> CasmStorageReader for StorageTxn<'_, Mode> {
         casm_location.map(|location| self.file_handlers.get_casm_unchecked(location)).transpose()
     }
 
+    fn get_casm_and_sierra(
+        &self,
+        class_hash: &ClassHash,
+    ) -> StorageResult<(Option<CasmContractClass>, Option<SierraContractClass>)> {
+        Ok((self.get_casm(class_hash)?, self.get_class(class_hash)?))
+    }
+
     fn get_compiled_class_marker(&self) -> StorageResult<BlockNumber> {
         let markers_table = self.open_table(&self.tables.markers)?;
         Ok(markers_table.get(&self.txn, &MarkerKind::CompiledClass)?.unwrap_or_default())

crates/papyrus_storage/src/compiled_class_test.rs

@@ -1,9 +1,14 @@
 use assert_matches::assert_matches;
 use cairo_lang_starknet_classes::casm_contract_class::CasmContractClass;
+use papyrus_test_utils::{get_rng, GetTestInstance};
 use pretty_assertions::assert_eq;
+use rstest::rstest;
+use starknet_api::block::BlockNumber;
 use starknet_api::core::ClassHash;
+use starknet_api::state::SierraContractClass;
 use starknet_api::test_utils::read_json_file;
 
+use crate::class::ClassStorageWriter;
 use crate::compiled_class::{CasmStorageReader, CasmStorageWriter};
 use crate::db::{DbError, KeyAlreadyExistsError};
 use crate::test_utils::get_test_storage;
@@ -27,6 +32,46 @@ fn append_casm() {
     assert_eq!(casm, expected_casm);
 }
 
+#[rstest]
+fn test_casm_and_sierra(
+    #[values(true, false)] has_casm: bool,
+    #[values(true, false)] has_sierra: bool,
+) {
+    let test_class_hash = ClassHash::default();
+    let mut rng = get_rng();
+
+    // Setup storage.
+    let ((reader, mut writer), _temp_dir) = get_test_storage();
+    let expected_casm = CasmContractClass::get_test_instance(&mut rng);
+    let expected_sierra = <SierraContractClass as GetTestInstance>::get_test_instance(&mut rng);
+
+    if has_casm {
+        writer
+            .begin_rw_txn()
+            .unwrap()
+            .append_casm(&test_class_hash, &expected_casm)
+            .unwrap()
+            .commit()
+            .unwrap();
+    }
+    if has_sierra {
+        writer
+            .begin_rw_txn()
+            .unwrap()
+            .append_classes(BlockNumber::default(), &[(test_class_hash, &expected_sierra)], &[])
+            .unwrap()
+            .commit()
+            .unwrap();
+    }
+
+    let result = reader.begin_ro_txn().unwrap().get_casm_and_sierra(&test_class_hash);
+
+    assert_eq!(
+        result.unwrap(),
+        (has_casm.then_some(expected_casm), has_sierra.then_some(expected_sierra))
+    );
+}
+
 #[test]
 fn casm_rewrite() {
     let ((_, mut writer), _temp_dir) = get_test_storage();