I should be working.

src/db/_cheques.rs

@@ -2,9 +2,13 @@ use rusqlite::{Result, Transaction};
 
 use crate::db::_external_id::{AccountId, SecurityId, UserId};
 
+pub type Drawer = (UserId, AccountId, SecurityId);
+pub type Payee = (UserId, SecurityId);
+
 #[derive(Debug)]
 pub struct SecurityEmitterCheque {
     pub drawer_user_id: UserId,
+    pub drawer_account_id: AccountId,
     pub security_id: SecurityId,
     pub payee_user_id: UserId,
     pub cheque_number: u32,
@@ -12,15 +16,15 @@ pub struct SecurityEmitterCheque {
 }
 
 impl SecurityEmitterCheque {
-    pub fn new(drawer_user_id: UserId,
-               security_id: SecurityId,
-               payee_user_id: UserId,
+    pub fn new(drawer: Drawer,
+               payee: Payee,
                amount: u32,
                cheque_number: u32) -> SecurityEmitterCheque {
         SecurityEmitterCheque {
-            drawer_user_id,
-            security_id,
-            payee_user_id,
+            drawer_user_id: drawer.0,
+            drawer_account_id: drawer.1,
+            security_id: drawer.2,
+            payee_user_id: payee.0,
             cheque_number,
             amount,
         }