fix: Fix #543 by tracking an account's real balance

Without these changes, whether an account's balance is virtual
or real is not considered when asserting it's balance. This lead
to situations where the user must consider their virtual postings
when attemping to assert the real balance of the account. See
test/regress/543_a.test for that testcase, taken from the original
issue. This commit also includes other, fringe, situations that I
noticed while working on the fix. It essentially just adds a separate
attribute to the account class(?) that hold's the account's "real"
balance, which is only updated when the user attempts an assertion on a
real account. The virtual account's balance is updated the way it always
was.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/textual.cc b/src/textual.cc
index 4e24fd44..16054445 100644
--- a/src/textual.cc
+++ b/src/textual.cc
@@ -1633,7 +1633,7 @@ post_t * instance_t::parse_post(char *          line,
 
       const amount_t& amt(*post->assigned_amount);
       value_t account_total
-        (post->account->amount().strip_annotations(keep_details_t()));
+        (post->account->amount(!post->has_flags(POST_VIRTUAL)).strip_annotations(keep_details_t()));
 
       DEBUG("post.assign", "line " << context.linenum << ": "
             << "account balance = " << account_total);
@@ -1666,7 +1666,7 @@ post_t * instance_t::parse_post(char *          line,
 
       // Subtract amounts from previous posts to this account in the xact.
       for (post_t* p : xact->posts) {
-        if (p->account == post->account) {
+        if (p->account == post->account && p->has_flags(POST_VIRTUAL) == post->has_flags(POST_VIRTUAL)) {
           diff -= p->amount;
           DEBUG("textual.parse", "line " << context.linenum << ": "
                 << "Subtracting " << p->amount << ", diff = " << diff);