feat: Declare V0 RPC call

crates/client/rpc-core/src/lib.rs

@@ -47,6 +47,16 @@ pub struct DeclareV0Result {
     pub class_hash: ClassHash,
 }
 
+/// CustomDeclareV0Transaction
+/// This will be given as an input to the rpc body
+///
+/// **declare_transaction** : DeclareTransactionV0V1 struct constructed before calling.
+///
+/// **program_vec** : Program vector is program from `ClassInfo` struct converted into Vector.
+///
+/// **entrypoints** : Entrypoints are taken from `ClassInfo` struct.
+///
+/// **abi_length** : ABI length calculated from abi in `LegacyContractClass`.
 #[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
 pub struct CustomDeclareV0Transaction {
     pub declare_transaction: DeclareTransactionV0V1,

crates/client/rpc/src/lib.rs

@@ -236,7 +236,7 @@ where
     G: GenesisProvider + Send + Sync + 'static,
     H: HasherT + Send + Sync + 'static,
 {
-    fn _get_txn_hash(&self, transaction: DeclareTransactionV0V1) -> TransactionHash {
+    fn get_txn_hash(&self, transaction: DeclareTransactionV0V1) -> TransactionHash {
         let txn = starknet_api::transaction::DeclareTransaction::V0(transaction);
         txn.compute_hash(Felt252Wrapper::from(self.chain_id().unwrap().0), false)
     }
@@ -314,7 +314,7 @@ where
     }
 
     async fn declare_v0_contract(&self, params: mc_rpc_core::CustomDeclareV0Transaction) -> RpcResult<DeclareV0Result> {
-        let txn_hash: TransactionHash = self._get_txn_hash(params.declare_transaction.clone());
+        let txn_hash: TransactionHash = self.get_txn_hash(params.declare_transaction.clone());
 
         let program_decoded = Program::decode_all(&mut params.program_vec.as_slice()).map_err(|e| {
             log::debug!("error: {:?}", e);

crates/client/rpc/src/types.rs

@@ -29,6 +29,16 @@ pub enum ParseTokenError {
     ParseFailed(ParseIntError),
 }
 
+/// CustomDeclareV0Transaction
+/// This will be given as an input to the rpc body
+///
+/// **declare_transaction** : DeclareTransactionV0V1 struct constructed before calling.
+///
+/// **program_vec** : Program vector is program from `ClassInfo` struct converted into Vector.
+///
+/// **entrypoints** : Entrypoints are taken from `ClassInfo` struct.
+///
+/// **abi_length** : ABI length calculated from abi in `LegacyContractClass`.
 #[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
 pub struct CustomDeclareV0Transaction {
     pub declare_transaction: DeclareTransactionV0V1,

crates/pallets/starknet/src/lib.rs

@@ -568,23 +568,6 @@ pub mod pallet {
             // This ensures that the function can only be called via unsigned transaction.
             ensure_none(origin)?;
 
-            // Check class hash is not already declared
-            ensure!(
-                !ContractClasses::<T>::contains_key(transaction.tx().class_hash().0),
-                Error::<T>::ClassHashAlreadyDeclared
-            );
-
-            let tx_version = transaction.tx().version();
-
-            // Avoiding account checks for V0 declares as they don't need to originate from an existing account
-            if tx_version != TransactionVersion::ZERO {
-                // Check if contract is deployed
-                ensure!(
-                    ContractClassHashes::<T>::contains_key(transaction.tx().sender_address()),
-                    Error::<T>::AccountNotDeployed
-                );
-            }
-
             let mut state = BlockifierStateAdapter::<T>::default();
             let charge_fee = !<T as Config>::DisableTransactionFee::get();