diff --git a/types/types.go b/types/types.go
index e0be7cb..ca76437 100644
--- a/types/types.go
+++ b/types/types.go
@@ -1,10 +1,13 @@
 package types
 
-import "github.com/gnolang/gno/tm2/pkg/std"
+import (
+	"github.com/gnolang/gno/tm2/pkg/sdk"
+	"github.com/gnolang/gno/tm2/pkg/std"
+)
 
 // TxData contains the single block transaction,
 // along with the block information
 type TxData struct {
 	Tx       std.Tx `json:"tx"`
-	BlockNum uint64 `json:"blockNum"`
+	Ctx      sdk.Context `json:"ctx"`
 }