apollo_gateway: expose l2_gas_price towards reject on insufficient gas price

Author: ArniStarkware

crates/apollo_gateway/src/gateway.rs

@@ -203,6 +203,11 @@ impl ProcessTxBlockingTask {
         let mut validator = self
             .stateful_tx_validator
             .instantiate_validator(self.state_reader_factory.as_ref(), &self.chain_info)?;
+        // TODO(Arni): Use the _l2_gas_price reject transactions that do not pass the gas price
+        // threshold.
+        // TODO(Arni): get next_l2_gas_price from the block header.
+        let _l2_gas_price =
+            validator.block_context().block_info().gas_prices.strk_gas_prices.l2_gas_price;
         let address = executable_tx.contract_address();
         let nonce = validator.get_nonce(address).map_err(|e| {
             error!("Failed to get nonce for sender address {}: {}", address, e);

crates/blockifier/src/blockifier/stateful_validator.rs

@@ -79,6 +79,10 @@ impl<S: StateReader> StatefulValidator<S> {
         Ok(())
     }
 
+    pub fn block_context(&self) -> &BlockContext {
+        self.tx_executor.block_context.as_ref()
+    }
+
     fn state(&mut self) -> &mut CachedState<S> {
         self.tx_executor.block_state.as_mut().expect(BLOCK_STATE_ACCESS_ERR)
     }