feat(tracing/hooks.go): add ContractCode method to OpContext interface to provide access to contract code

feat(vm/interpreter.go): add ContractCode method to ScopeContext to return the code of the contract being executed

core/tracing/hooks.go

@@ -34,6 +34,7 @@ type OpContext interface {
 	Address() common.Address
 	CallValue() *uint256.Int
 	CallInput() []byte
+	ContractCode() []byte
 }
 
 // StateDB gives tracers access to the whole state.

core/vm/interpreter.go

@@ -83,6 +83,11 @@ func (ctx *ScopeContext) CallInput() []byte {
 	return ctx.Contract.Input
 }
 
+// ContractCode returns the code of the contract being executed.
+func (ctx *ScopeContext) ContractCode() []byte {
+	return ctx.Contract.Code
+}
+
 // EVMInterpreter represents an EVM interpreter
 type EVMInterpreter struct {
 	evm   *EVM