setup db keys

internal/utils/db.go

@@ -0,0 +1,51 @@
+package utils
+
+import (
+	"context"
+	"encoding/binary"
+
+	"git.defalsify.org/vise.git/db"
+)
+
+type DataTyp uint16
+
+const (
+	DATA_ACCOUNT DataTyp = iota
+	DATA_ACCOUNT_CREATED
+	DATA_TRACKING_ID
+	DATA_PUBLIC_KEY
+	DATA_CUSTODIAL_ID
+)
+
+func typToBytes(typ DataTyp) []byte {
+	//var b []byte
+	b := make([]byte, 2) 
+	binary.BigEndian.PutUint16(b, uint16(typ))
+	return b
+}
+
+func packKey(typ DataTyp, data []byte) []byte {
+	v := typToBytes(typ)
+	return append(v, data...)
+}
+
+func ReadEntry(ctx context.Context, store db.Db, sessionId string, typ DataTyp) ([]byte, error) {
+	store.SetPrefix(db.DATATYPE_USERDATA)
+	 store.SetSession(sessionId)
+	 k := packKey(typ, []byte(sessionId))
+	//k := []byte(sessionId)
+	b, err := store.Get(ctx, k)
+	if err != nil {
+		return nil, err
+	}
+	return b, nil
+
+}
+
+func WriteEntry(ctx context.Context, store db.Db, sessionId string, typ DataTyp, value []byte) error {
+	store.SetPrefix(db.DATATYPE_USERDATA)
+	store.SetSession(sessionId)
+	//k := packKey(typ, []byte(sessionId))
+	k := []byte(sessionId)
+	return store.Put(ctx, k, value)
+}