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Implemented user duplicate input message check.

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Ravin Perera
2019-11-05 11:47:42 +05:30
parent 83189556de
commit 8a153d5bb5
7 changed files with 103 additions and 66 deletions
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8
src/p2p/peer_session_handler.cpp
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@@ -15,6 +15,9 @@ namespace p2pmsg = fbschema::p2pmsg;
namespace p2p
{
// The set of recent peer message hashes used for duplicate detection.
util::rollover_hashset recent_peermsg_hashes(200);
/**
* This gets hit every time a peer connects to HP via the peer port (configured in contract config).
*/
@@ -51,8 +54,11 @@ void peer_session_handler::on_message(sock::socket_session<peer_outbound_message
if (p2pmsg::validate_and_extract_content(&content, content_ptr, content_size) != 0)
return;
if (is_message_duplicate(message))
if (!recent_peermsg_hashes.try_emplace(crypto::get_hash(message)))
{
LOG_DBG << "Duplicate peer message.";
return;
}
p2pmsg::Message content_message_type = content->message_type(); //i.e - proposal, npl, state request, state response, etc