tmp: temporary AccountCache

will be removed before PR ends

Signed-off-by: kernelkind <kernelkind@gmail.com>

crates/notedeck/src/account/cache.rs

@@ -90,6 +90,14 @@ impl AccountCache {
             .get_mut(&self.selected)
             .expect("guarenteed that selected exists in accounts")
     }
+
+    pub fn contains(&self, pk: &[u8; 32]) -> bool {
+        self.accounts.contains_key(pk)
+    }
+
+    pub(super) fn iter_mut(&mut self) -> AccountCacheIterMut<'_> {
+        AccountCacheIterMut(self.accounts.iter_mut())
+    }
 }
 
 impl<'a> IntoIterator for &'a AccountCache {
@@ -100,3 +108,13 @@ impl<'a> IntoIterator for &'a AccountCache {
         self.accounts.iter()
     }
 }
+
+pub(super) struct AccountCacheIterMut<'a>(hashbrown::hash_map::IterMut<'a, Pubkey, UserAccount>);
+
+impl<'a> Iterator for AccountCacheIterMut<'a> {
+    type Item = (&'a Pubkey, &'a mut UserAccount);
+
+    fn next(&mut self) -> Option<Self::Item> {
+        self.0.next()
+    }
+}