Make it work

client/cli/src/execution_strategy.rs

@@ -33,6 +33,18 @@ arg_enum! {
 	}
 }
 
+impl ExecutionStrategy {
+	/// Returns the variant as `'&static str`.
+	pub fn as_str(&self) -> &'static str {
+		match self {
+			Self::Native => "Native",
+			Self::Wasm => "Wasm",
+			Self::Both => "Both",
+			Self::NativeElseWasm => "NativeElseWasm",
+		}
+	}
+}
+
 /// Default value for the `--execution-syncing` parameter.
 pub const DEFAULT_EXECUTION_SYNCING: ExecutionStrategy = ExecutionStrategy::NativeElseWasm;
 /// Default value for the `--execution-import-block` parameter.

client/cli/src/params.rs

@@ -322,7 +322,7 @@ pub struct ExecutionStrategies {
 		value_name = "STRATEGY",
 		possible_values = &ExecutionStrategy::variants(),
 		case_insensitive = true,
-		default_value = "DEFAULT_EXECUTION_SYNCING"
+		default_value = DEFAULT_EXECUTION_SYNCING.as_str(),
 	)]
 	pub execution_syncing: ExecutionStrategy,
 
@@ -332,7 +332,7 @@ pub struct ExecutionStrategies {
 		value_name = "STRATEGY",
 		possible_values = &ExecutionStrategy::variants(),
 		case_insensitive = true,
-		default_value = "DEFAULT_EXECUTION_IMPORT_BLOCK"
+		default_value = DEFAULT_EXECUTION_IMPORT_BLOCK.as_str(),
 	)]
 	pub execution_import_block: ExecutionStrategy,
 
@@ -342,7 +342,7 @@ pub struct ExecutionStrategies {
 		value_name = "STRATEGY",
 		possible_values = &ExecutionStrategy::variants(),
 		case_insensitive = true,
-		default_value = "DEFAULT_EXECUTION_BLOCK_CONSTRUCTION"
+		default_value = DEFAULT_EXECUTION_BLOCK_CONSTRUCTION.as_str(),
 	)]
 	pub execution_block_construction: ExecutionStrategy,
 
@@ -352,7 +352,7 @@ pub struct ExecutionStrategies {
 		value_name = "STRATEGY",
 		possible_values = &ExecutionStrategy::variants(),
 		case_insensitive = true,
-		default_value = "DEFAULT_EXECUTION_OFFCHAIN_WORKER"
+		default_value = DEFAULT_EXECUTION_OFFCHAIN_WORKER.as_str(),
 	)]
 	pub execution_offchain_worker: ExecutionStrategy,
 
@@ -362,7 +362,7 @@ pub struct ExecutionStrategies {
 		value_name = "STRATEGY",
 		possible_values = &ExecutionStrategy::variants(),
 		case_insensitive = true,
-		default_value = "DEFAULT_EXECUTION_OTHER"
+		default_value = DEFAULT_EXECUTION_OTHER.as_str(),
 	)]
 	pub execution_other: ExecutionStrategy,