Add config for native price estimator in driver

crates/driver/src/infra/blockchain/gas.rs

@@ -9,7 +9,10 @@ use {
         infra::{config::file::GasEstimatorType, mempool},
     },
     ethcontract::dyns::DynWeb3,
-    gas_estimation::{GasPriceEstimating, nativegasestimator::NativeGasEstimator},
+    gas_estimation::{
+        GasPriceEstimating,
+        nativegasestimator::{NativeGasEstimator, Params},
+    },
     std::sync::Arc,
 };
 
@@ -32,10 +35,22 @@ impl GasPriceEstimator {
         mempools: &[mempool::Config],
     ) -> Result<Self, Error> {
         let gas: Arc<dyn GasPriceEstimating> = match gas_estimator_type {
-            GasEstimatorType::Native => Arc::new(
-                NativeGasEstimator::new(web3.transport().clone(), None)
-                    .await
-                    .map_err(Error::GasPrice)?,
+            GasEstimatorType::Native {
+                max_reward_percentile,
+                max_block_percentile,
+                min_block_percentile,
+            } => Arc::new(
+                NativeGasEstimator::new(
+                    web3.transport().clone(),
+                    Some(Params {
+                        max_reward_percentile: *max_reward_percentile,
+                        max_block_percentile: *max_block_percentile,
+                        min_block_percentile: *min_block_percentile,
+                        ..Default::default()
+                    }),
+                )
+                .await
+                .map_err(Error::GasPrice)?,
             ),
             GasEstimatorType::Web3 => Arc::new(web3.clone()),
         };

crates/driver/src/infra/config/file/mod.rs

@@ -627,14 +627,33 @@ fn default_response_size_limit_max_bytes() -> usize {
     30_000_000
 }
 
-#[derive(Clone, Debug, Deserialize, Default)]
+#[derive(Clone, Debug, Deserialize)]
 #[serde(rename_all = "kebab-case", deny_unknown_fields)]
 pub enum GasEstimatorType {
-    #[default]
-    Native,
+    Native {
+        // effective reward value to be selected from each individual block
+        // Example: 20 means 20% of the transactions with the lowest gas price will be analyzed
+        max_reward_percentile: usize,
+        // economical priority fee to be selected from sorted individual block reward percentiles
+        // This constitutes the part of priority fee that doesn't depend on the time_limit
+        min_block_percentile: f64,
+        // urgent priority fee to be selected from sorted individual block reward percentiles
+        // This constitutes the part of priority fee that depends on the time_limit
+        max_block_percentile: f64,
+    },
     Web3,
 }
 
+impl Default for GasEstimatorType {
+    fn default() -> Self {
+        GasEstimatorType::Native {
+            max_reward_percentile: 20,
+            min_block_percentile: 30.,
+            max_block_percentile: 60.,
+        }
+    }
+}
+
 /// Defines various strategies to prioritize orders.
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "kebab-case", tag = "strategy")]