2 files changed, 12 insertions, 3 deletions
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 2077723af5..169caddc59 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -834,18 +834,18 @@ static void ApplyStats(CCoinsStats &stats, CHashWriter& ss, const uint256& hash,
 {
     assert(!outputs.empty());
     ss << hash;
-    ss << VARINT(outputs.begin()->second.nHeight * 2 + outputs.begin()->second.fCoinBase);
+    ss << VARINT(outputs.begin()->second.nHeight * 2 + outputs.begin()->second.fCoinBase ? 1u : 0u);
     stats.nTransactions++;
     for (const auto output : outputs) {
         ss << VARINT(output.first + 1);
         ss << output.second.out.scriptPubKey;
-        ss << VARINT(output.second.out.nValue);
+        ss << VARINT(output.second.out.nValue, VarIntMode::NONNEGATIVE_SIGNED);
         stats.nTransactionOutputs++;
         stats.nTotalAmount += output.second.out.nValue;
         stats.nBogoSize += 32 /* txid */ + 4 /* vout index */ + 4 /* height + coinbase */ + 8 /* amount */ +
                            2 /* scriptPubKey len */ + output.second.out.scriptPubKey.size() /* scriptPubKey */;
     }
-    ss << VARINT(0);
+    ss << VARINT(0u);
 }
 
 //! Calculate statistics about the unspent transaction output set
diff --git a/src/rpc/server.h b/src/rpc/server.h
index 8b32924fbc..d25268a8ab 100644
--- a/src/rpc/server.h
+++ b/src/rpc/server.h
@@ -165,8 +165,17 @@ public:
 
     /**
      * Appends a CRPCCommand to the dispatch table.
+     *
      * Returns false if RPC server is already running (dump concurrency protection).
+     *
      * Commands cannot be overwritten (returns false).
+     *
+     * Commands with different method names but the same callback function will
+     * be considered aliases, and only the first registered method name will
+     * show up in the help text command listing. Aliased commands do not have
+     * to have the same behavior. Server and client code can distinguish
+     * between calls based on method name, and aliased commands can also
+     * register different names, types, and numbers of parameters.
      */
     bool appendCommand(const std::string& name, const CRPCCommand* pcmd);
 };