native: save native contract state on deploy

pkg/core/native/interop.go

@@ -5,6 +5,8 @@ import (
 	"fmt"
 
 	"github.com/nspcc-dev/neo-go/pkg/core/interop"
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
 	"github.com/nspcc-dev/neo-go/pkg/vm"
 )
 
@@ -15,8 +17,23 @@ func Deploy(ic *interop.Context, _ *vm.VM) error {
 	}
 
 	for _, native := range ic.Natives {
+		md := native.Metadata()
+
+		ps := md.Manifest.ABI.EntryPoint.Parameters
+		params := make([]smartcontract.ParamType, len(ps))
+		for i := range ps {
+			params[i] = ps[i].Type
+		}
+
+		cs := &state.Contract{
+			Script:     md.Script,
+			ParamList:  params,
+			ReturnType: md.Manifest.ABI.EntryPoint.ReturnType,
+		}
+		if err := ic.DAO.PutContractState(cs); err != nil {
+			return err
+		}
 		if err := native.Initialize(ic); err != nil {
-			md := native.Metadata()
 			return fmt.Errorf("initializing %s native contract: %v", md.ServiceName, err)
 		}
 	}