fix vheight bug in self-voting

2 files changed, 4 insertions, 3 deletions

diff --git a/include/hotstuff/entity.h b/include/hotstuff/entity.h
index 29300a9..6f73db8 100644
--- a/include/hotstuff/entity.h
+++ b/include/hotstuff/entity.h
@@ -196,7 +196,8 @@ class Block {
         s << "<block "
           << "id="  << get_hex10(hash) << " "
           << "height=" << std::to_string(height) << " "
-          << "parent=" << get_hex10(parent_hashes[0]) << ">";
+          << "parent=" << get_hex10(parent_hashes[0]) << " "
+          << "qc_ref=" << (qc_ref ? get_hex10(qc_ref->get_hash()) : "null") << ">";
         return std::move(s);
     }
 };
diff --git a/include/hotstuff/liveness.h b/include/hotstuff/liveness.h
index 5dfb2e0..6396fe3 100644
--- a/include/hotstuff/liveness.h
+++ b/include/hotstuff/liveness.h
@@ -52,8 +52,8 @@ class PMAllParents: public virtual PaceMaker {
                 for (b = blk;
                     b->get_height() > bqc->get_height();
                     b = b->get_parents()[0]);
-                if (b == bqc && b->get_height() > bqc_tail->get_height())
-                    bqc_tail = b;
+                if (b == bqc && blk->get_height() > bqc_tail->get_height())
+                    bqc_tail = blk;
             }
             reg_bqc_update();
         });