Split signature throughput tracking out of FeeCalculator (#8447) (#8610)

automerge

client/src/thin_client.rs

@@ -11,7 +11,7 @@ use solana_sdk::{
     client::{AsyncClient, Client, SyncClient},
     clock::MAX_PROCESSING_AGE,
     commitment_config::CommitmentConfig,
-    fee_calculator::FeeCalculator,
+    fee_calculator::{FeeCalculator, FeeRateGovernor},
     hash::Hash,
     instruction::Instruction,
     message::Message,
@@ -445,6 +445,11 @@ impl SyncClient for ThinClient {
         }
     }
 
+    fn get_fee_rate_governor(&self) -> TransportResult<FeeRateGovernor> {
+        let fee_rate_governor = self.rpc_client().get_fee_rate_governor()?;
+        Ok(fee_rate_governor.value)
+    }
+
     fn get_signature_status(
         &self,
         signature: &Signature,