generic verify_precompiles

runtime/src/lib.rs

@@ -36,6 +36,7 @@ pub mod stakes;
 pub mod static_ids;
 pub mod status_cache;
 pub mod transaction_batch;
+mod verify_precompiles;
 pub mod vote_sender_types;
 
 #[macro_use]

runtime/src/verify_precompiles.rs

@@ -0,0 +1,28 @@
+use {
+    solana_feature_set::FeatureSet,
+    solana_sdk::{
+        precompiles::get_precompiles,
+        transaction::{Result, TransactionError},
+    },
+    solana_svm_transaction::svm_message::SVMMessage,
+};
+
+pub fn verify_precompiles(message: &impl SVMMessage, feature_set: &FeatureSet) -> Result<()> {
+    let mut all_instruction_data = None; // lazily collect this on first pre-compile
+
+    let precompiles = get_precompiles();
+    for (program_id, instruction) in message.program_instructions_iter() {
+        for precompile in precompiles {
+            if program_id == &precompile.program_id {
+                let all_instruction_data: &Vec<&[u8]> = all_instruction_data
+                    .get_or_insert_with(|| message.instructions_iter().map(|ix| ix.data).collect());
+                precompile
+                    .verify(instruction.data, all_instruction_data, feature_set)
+                    .map_err(|_| TransactionError::InvalidAccountIndex)?;
+                break;
+            }
+        }
+    }
+
+    Ok(())
+}