diff --git a/main.go b/main.go
index b2ed07f..86e18c8 100644
--- a/main.go
+++ b/main.go
@@ -4,6 +4,37 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
+// define global db
+var db, _ = sql.Open("sqlite3", "./database/data.db")
+
+// types representing json queries
+
+type loginInput struct {
+	Name     string `json:"name"`
+	Password string `json:"password"`
+}
+
+type loginOutput struct {
+	UID      string `json:"uid"`
+	Name     string `json:"name"`
+	Password string `json:"password"`
+	Role     string `json:"role"`
+}
+
+type task struct {
+	TID    string `json:"tid"`
+	Name   string `json:"name"`
+	Points int    `json:"points"`
+}
+
+type historyData struct {
+	UID          string `json:"uid"`
+	TID          string `json:"tid"`
+	Time         string `json:"time"`
+	PointsGained int    `json:"pointsGained"`
+}
+
+// log the user into their account
 func login(c *gin.Context) {
 	// log the user into their account
 }