add logs

src/ripple/app/ledger/LedgerHistory.cpp

@@ -339,7 +339,7 @@ LedgerHistory::handleMismatch(
 
     assert(builtLedger->info().seq == validLedger->info().seq);
 
-    if (auto stream = j_.debug())
+    if (auto stream = j_.error())
     {
         stream << "Built: " << getJson({*builtLedger, {}});
         stream << "Valid: " << getJson({*validLedger, {}});

src/ripple/app/rdb/backend/RWDBDatabase.h

@@ -224,8 +224,7 @@ public:
 
         if (!ledger->info().accountHash.isNonZero())
         {
-            JLOG(j.fatal())
-                << "AH is zero: " << getJson({*ledger, {}}).asString();
+            JLOG(j.fatal()) << "AH is zero: " << getJson({*ledger, {}});
             assert(false);
         }
 

src/ripple/overlay/impl/Handshake.cpp

@@ -239,14 +239,19 @@ verifyHandshake(
             throw std::runtime_error("Invalid server domain");
     }
 
-    if (auto const iter = headers.find("Network-ID"); iter != headers.end())
+    // Check the network. Omitting Network-ID (on either side ours, or theirs)
+    // means NID=0
     {
-        std::uint32_t nid{0};
+        uint32_t peer_nid = 0;
+        if (auto const iter = headers.find("Network-ID"); iter != headers.end())
+        {
+            if (!beast::lexicalCastChecked(
+                    peer_nid, std::string(iter->value())))
+                throw std::runtime_error("Invalid peer network identifier");
+        }
 
-        if (!beast::lexicalCastChecked(nid, std::string(iter->value())))
-            throw std::runtime_error("Invalid peer network identifier");
-
-        if (!networkID && nid != 0 || networkID && nid != *networkID)
+        uint32_t our_nid = networkID ? *networkID : 0;
+        if (peer_nid != our_nid)
             throw std::runtime_error("Peer is on a different network");
     }