[FOLD] Address feedback

src/ripple/nodestore/impl/DatabaseShardImp.cpp

@@ -92,15 +92,27 @@ DatabaseShardImp::init()
                     seq))
             {
                 std::uint32_t seq2;
-                if (get_if_exists<std::uint32_t>(
-                        section,
-                        "earliest_seq", seq2) &&
-                    seq != seq2)
+                if (get_if_exists<std::uint32_t>(section, "earliest_seq", seq2))
                 {
-                    return fail("and [" + ConfigSection::nodeDatabase() +
-                        "] both define 'earliest_seq'");
+                    if (seq != seq2)
+                    {
+                        return fail("and [" + ConfigSection::nodeDatabase() +
+                            "] define different 'earliest_seq' values");
+                    }
+                }
+                else if (seq != XRP_LEDGER_EARLIEST_SEQ)
+                {
+                    return fail("doesn't define 'earliest_seq' while ["
+                        + ConfigSection::nodeDatabase() +"] does");
                 }
             }
+            else if (get_if_exists<std::uint32_t>(
+                    section, "earliest_seq", seq) &&
+                seq != XRP_LEDGER_EARLIEST_SEQ)
+            {
+                return fail("defines 'earliest_seq' while [" +
+                    ConfigSection::nodeDatabase() + "] doesn't");
+            }
         }
 
         if (!get_if_exists<path>(section, "path", dir_))
@@ -1249,10 +1261,6 @@ DatabaseShardImp::setFileStats()
         std::lock_guard lock(mutex_);
         assert(init_);
 
-        fileSz_ = 0;
-        fdRequired_ = 0;
-        avgShardFileSz_ = 0;
-
         if (shards_.empty())
             return;