Add unpaired transactions storage to members base.

MODULES.md

@@ -796,6 +796,11 @@ Returns a string created by appending all the strings given and
 ```ansi``` function produced ones with consecutive keywords passed to
 single ```ansi``` evaluation.
 
+    (clrscr)
+
+Clears the terminal screen and places the cursor in the top left
+corner.
+
 ### Command Line parsing
 
 Generic syntax-based implementation of command-line options parsing

src/members-base.scm

@@ -41,6 +41,8 @@
   get-free-members-ids
   gen-member-id
   members-base-update
+  members-base-add-unpaired
+  members-base-unpaired
   )
 
  (import scheme
@@ -216,4 +218,14 @@
 			mr))
 		  (members-base-members mb))))
 
+ ;; Adds unpaired transaction to given members-base
+ (define (members-base-add-unpaired mb tr)
+   (dict-set mb 'unpaired
+	     (cons tr
+		   (dict-ref mb 'unpaired '()))))
+
+ ;; Returns known unpaired transactions
+ (define (members-base-unpaired mb)
+   (dict-ref mb 'unpaired '()))
+
  )