Use a string representation for opcode

Author: dmitrylavrenov

crates/evm-tracing-client/src/formatters/call_tracer.rs

@@ -55,12 +55,12 @@ impl super::ResponseFormatter for Formatter {
                                 call_type,
                             } => CallTracerInner::Call {
                                 call_type: match call_type {
-                                    CallType::Call => MarshalledOpcode::call_opcode(),
-                                    CallType::CallCode => MarshalledOpcode::callcode_opcode(),
+                                    CallType::Call => MarshalledOpcode::from("CALL"),
+                                    CallType::CallCode => MarshalledOpcode::from("CALLCODE"),
                                     CallType::DelegateCall => {
-                                        MarshalledOpcode::delegatecall_opcode()
+                                        MarshalledOpcode::from("DELEGATECALL")
                                     }
-                                    CallType::StaticCall => MarshalledOpcode::staticcall_opcode(),
+                                    CallType::StaticCall => MarshalledOpcode::from("STATICCALL"),
                                 },
                                 to,
                                 input,
@@ -88,13 +88,13 @@ impl super::ResponseFormatter for Formatter {
                                     CreateResult::Error { .. } => None,
                                 },
                                 value,
-                                call_type: MarshalledOpcode::create_opcode(),
+                                call_type: MarshalledOpcode::from("CREATE"),
                             },
                             BlockscoutCallInner::SelfDestruct { balance, to } => {
                                 CallTracerInner::SelfDestruct {
                                     value: balance,
                                     to,
-                                    call_type: MarshalledOpcode::selfdestruct_opcode(),
+                                    call_type: MarshalledOpcode::from("SELFDESTRUCT"),
                                 }
                             }
                         },

crates/evm-tracing-client/src/types/mod.rs

@@ -79,18 +79,14 @@ pub enum ContextType {
 impl ContextType {
     /// Obtain context type from opcode.
     pub fn from(opcode: MarshalledOpcode) -> Option<Self> {
-        if let Some(opcode_known_name) = opcode.known_name() {
-            return match &opcode_known_name.to_uppercase()[..] {
-                "CREATE" | "CREATE2" => Some(ContextType::Create),
-                "CALL" => Some(ContextType::Call(CallType::Call)),
-                "CALLCODE" => Some(ContextType::Call(CallType::CallCode)),
-                "DELEGATECALL" => Some(ContextType::Call(CallType::DelegateCall)),
-                "STATICCALL" => Some(ContextType::Call(CallType::StaticCall)),
-                _ => None,
-            };
+        match &opcode.to_string()[..] {
+            "CREATE" | "CREATE2" => Some(ContextType::Create),
+            "CALL" => Some(ContextType::Call(CallType::Call)),
+            "CALLCODE" => Some(ContextType::Call(CallType::CallCode)),
+            "DELEGATECALL" => Some(ContextType::Call(CallType::DelegateCall)),
+            "STATICCALL" => Some(ContextType::Call(CallType::StaticCall)),
+            _ => None,
         }
-
-        None
     }
 }