void deftransaction_set_amount(GtkWidget *widget, gdouble amount);
gint deftransaction_external_edit(GtkWindow *parent, Transaction *old_txn, Transaction *new_txn);
void deftransaction_set_transaction(GtkWidget *widget, Transaction *ope);
void deftransaction_set_amount(GtkWidget *widget, gdouble amount);
gint deftransaction_external_edit(GtkWindow *parent, Transaction *old_txn, Transaction *new_txn);
void deftransaction_set_transaction(GtkWidget *widget, Transaction *ope);