Bug: Fix missing main_scope field

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Next release
 
+- bug: fix contract serialisation
 - fix: starknet_call errs if contract nonexistent
 - fix: txn hash calculation and refactor
 - chore: remove all da/settlement related code

starknet-rpc-test/Cargo.toml

@@ -14,6 +14,7 @@ env_logger = "0.9"
 flate2 = { workspace = true }
 reqwest = "0.11.18"
 rstest = "0.18.1"
+serde = "1.0.192"
 serde_json = "1.0.108"
 starknet-accounts = { workspace = true }
 starknet-contract = { workspace = true }

starknet-rpc-test/get_class.rs

@@ -3,14 +3,15 @@ use std::io::Read;
 use assert_matches::assert_matches;
 use flate2::read::GzDecoder;
 use rstest::rstest;
-use starknet_core::types::contract::legacy::{LegacyContractClass, LegacyProgram};
+use starknet_core::types::contract::legacy::LegacyContractClass;
 use starknet_core::types::contract::SierraClass;
 use starknet_core::types::{BlockId, ContractClass, FlattenedSierraClass, StarknetError};
 use starknet_ff::FieldElement;
 use starknet_providers::Provider;
 use starknet_providers::ProviderError::StarknetError as StarknetProviderError;
 use starknet_rpc_test::constants::{CAIRO_1_ACCOUNT_CONTRACT_CLASS_HASH, TEST_CONTRACT_CLASS_HASH};
 use starknet_rpc_test::fixtures::{madara, ThreadSafeMadaraClient};
+use starknet_rpc_test::LegacyProgramWrapper;
 
 #[rstest]
 #[tokio::test]
@@ -46,7 +47,7 @@ async fn fail_non_existing_class_hash(madara: &ThreadSafeMadaraClient) -> Result
 
 #[rstest]
 #[tokio::test]
-#[ignore = "Waiting for issue #1469 to be solved"]
+#[ignore = "Waiting for issue #1585 to be solved"]
 async fn work_ok_retrieving_class_for_contract_version_0(madara: &ThreadSafeMadaraClient) -> Result<(), anyhow::Error> {
     let rpc = madara.get_starknet_client().await;
 
@@ -67,7 +68,8 @@ async fn work_ok_retrieving_class_for_contract_version_0(madara: &ThreadSafeMada
             let mut gz = GzDecoder::new(&c.program[..]);
             let mut decompressed_bytes = Vec::new();
             gz.read_to_end(&mut decompressed_bytes).unwrap();
-            let program: LegacyProgram = serde_json::from_slice(decompressed_bytes.as_slice())?;
+            let legacy_program_wrapper: LegacyProgramWrapper = serde_json::from_slice(decompressed_bytes.as_slice())?;
+            let program = legacy_program_wrapper.legacy_program;
             assert_eq!(
                 program.data.len(),
                 test_contract_class.program.data.len(),

starknet-rpc-test/get_class_at.rs

@@ -3,14 +3,15 @@ use std::io::Read;
 use assert_matches::assert_matches;
 use flate2::read::GzDecoder;
 use rstest::rstest;
-use starknet_core::types::contract::legacy::{LegacyContractClass, LegacyProgram};
+use starknet_core::types::contract::legacy::LegacyContractClass;
 use starknet_core::types::contract::SierraClass;
 use starknet_core::types::{BlockId, ContractClass, FlattenedSierraClass, StarknetError};
 use starknet_ff::FieldElement;
 use starknet_providers::Provider;
 use starknet_providers::ProviderError::StarknetError as StarknetProviderError;
 use starknet_rpc_test::constants::{CAIRO_1_ACCOUNT_CONTRACT_ADDRESS, TEST_CONTRACT_ADDRESS};
 use starknet_rpc_test::fixtures::{madara, ThreadSafeMadaraClient};
+use starknet_rpc_test::LegacyProgramWrapper;
 
 #[rstest]
 #[tokio::test]
@@ -44,7 +45,7 @@ async fn fail_non_existing_contract(madara: &ThreadSafeMadaraClient) -> Result<(
 
 #[rstest]
 #[tokio::test]
-#[ignore = "Waiting for issue #1469 to be solved"]
+#[ignore = "Waiting for issue #1585 to be solved"]
 async fn work_ok_retrieving_class_for_contract_version_0(madara: &ThreadSafeMadaraClient) -> Result<(), anyhow::Error> {
     let rpc = madara.get_starknet_client().await;
 
@@ -64,7 +65,8 @@ async fn work_ok_retrieving_class_for_contract_version_0(madara: &ThreadSafeMada
             let mut d = GzDecoder::new(&c.program[..]);
             let mut data = String::new();
             d.read_to_string(&mut data).unwrap();
-            let program: LegacyProgram = serde_json::from_str(data.as_str())?;
+            let legacy_program_wrapper: LegacyProgramWrapper = serde_json::from_str(data.as_str())?;
+            let program = legacy_program_wrapper.legacy_program;
             assert_eq!(
                 program.data,
                 test_contract_class.program.data,

starknet-rpc-test/src/lib.rs

@@ -6,11 +6,13 @@ use std::fmt::Debug;
 use anyhow::anyhow;
 use reqwest::header::CONTENT_TYPE;
 use reqwest::{Client, Response};
+use serde::{de, Deserialize, Deserializer};
 use serde_json::json;
 use starknet_accounts::{
     Account, AccountDeployment, AccountError, AccountFactoryError, Declaration, Execution, LegacyDeclaration,
     OpenZeppelinAccountFactory, SingleOwnerAccount,
 };
+use starknet_core::types::contract::legacy::LegacyProgram;
 use starknet_core::types::{DeclareTransactionResult, DeployAccountTransactionResult, InvokeTransactionResult};
 use starknet_providers::jsonrpc::{HttpTransport, JsonRpcClient};
 use starknet_providers::Provider;
@@ -214,3 +216,29 @@ impl MadaraClient {
         Ok(response.status().is_success())
     }
 }
+
+pub struct LegacyProgramWrapper {
+    pub legacy_program: LegacyProgram,
+}
+
+impl<'de> Deserialize<'de> for LegacyProgramWrapper {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        let value = serde_json::Value::deserialize(deserializer)?;
+
+        // Ensure the required fields are present in the JSON data
+        let mut json_obj = value.as_object().ok_or_else(|| de::Error::custom("Expected JSON object"))?.clone();
+
+        // If 'main_scope' field is missing, set it to the default value
+        if !json_obj.contains_key("main_scope") {
+            json_obj.insert("main_scope".to_string(), serde_json::Value::String("__main__".to_string()));
+        }
+
+        // Deserialize the modified JSON data into LegacyProgram
+        let legacy_program = serde_json::from_value(serde_json::Value::Object(json_obj)).map_err(de::Error::custom)?;
+
+        Ok(LegacyProgramWrapper { legacy_program })
+    }
+}