Add options to overwrite range bounds in benchmark command. (#5072)

* Add --mins --maxs to benchmark command.

* Apply review suggestions.

substrate/utils/frame/benchmarking-cli/src/lib.rs

@@ -39,6 +39,14 @@ pub struct BenchmarkCmd {
 	#[structopt(short, long, use_delimiter = true)]
 	pub steps: Vec<u32>,
 
+	/// Indicates lowest values for each of the component ranges.
+	#[structopt(long, use_delimiter = true)]
+	pub lowest_range_values: Vec<u32>,
+
+	/// Indicates highest values for each of the component ranges.
+	#[structopt(long, use_delimiter = true)]
+	pub highest_range_values: Vec<u32>,
+
 	/// Select how many repetitions of this benchmark should run.
 	#[structopt(short, long, default_value = "1")]
 	pub repeat: u32,
@@ -104,7 +112,14 @@ impl BenchmarkCmd {
 			&mut changes,
 			&executor,
 			"Benchmark_dispatch_benchmark",
-			&(&self.pallet, &self.extrinsic, self.steps.clone(), self.repeat).encode(),
+			&(
+				&self.pallet,
+				&self.extrinsic,
+				self.lowest_range_values.clone(),
+				self.highest_range_values.clone(),
+				self.steps.clone(),
+				self.repeat,
+			).encode(),
 			Default::default(),
 		)
 		.execute(strategy.into())
@@ -117,9 +132,11 @@ impl BenchmarkCmd {
 			Ok(results) => {
 				// Print benchmark metadata
 				println!(
-					"Pallet: {:?}, Extrinsic: {:?}, Steps: {:?}, Repeat: {:?}",
+					"Pallet: {:?}, Extrinsic: {:?}, Lowest values: {:?}, Highest values: {:?}, Steps: {:?}, Repeat: {:?}",
 					self.pallet,
 					self.extrinsic,
+					self.lowest_range_values,
+					self.highest_range_values,
 					self.steps,
 					self.repeat,
 				);