1 files changed, 7 insertions, 0 deletions
diff --git a/src/database/db-interface.vala b/src/database/db-interface.vala
index 979abf5..579d5a9 100644
--- a/src/database/db-interface.vala
+++ b/src/database/db-interface.vala
@@ -53,6 +53,7 @@ public interface Database : Object {
 	public abstract Price get_user_invoice_sum(int user, int64 timestamp_from, int64 timestamp_to) throws IOError;
 	public abstract Price cashbox_status() throws IOError;
 	public abstract void cashbox_add(int user, Price amount, int64 timestamp) throws IOError, DatabaseError;
+	public abstract CashboxDiff[] cashbox_history() throws IOError;
 }
 
 public struct StockEntry {
@@ -133,6 +134,12 @@ public struct InvoiceEntry {
 	Price price;
 }
 
+public struct CashboxDiff {
+	public int user;
+	public Price amount;
+	public int64 timestamp;
+}
+
 public struct StatsInfo {
 	public int count_articles;
 	public int count_users;