eth: separate common and full node-specific API and backend service

core/vm/environment.go

@@ -73,6 +73,8 @@ type Environment interface {
 	DelegateCall(me ContractRef, addr common.Address, data []byte, gas, price *big.Int) ([]byte, error)
 	// Create a new contract
 	Create(me ContractRef, data []byte, gas, price, value *big.Int) ([]byte, common.Address, error)
+
+	StructLogs() []StructLog
 }
 
 // Vm is the basic interface for an implementation of the EVM.