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Move checksum check from net_processing to net

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This removes the m_valid_checksum member from CNetMessage.  Instead,
GetMessage() returns an Optional.

Additionally, GetMessage() has been given an out parameter to be used to
hold error information.  For now it is specifically a uint32_t used to
hold the raw size of the corrupt message.

The checksum check is now done in GetMessage.
This commit is contained in:
Troy Giorshev 2020-06-29 14:15:06 -04:00
parent 2716647ebf
commit 890b1d7c2b
4 changed files with 45 additions and 44 deletions
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11
src/net_processing.cpp
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@ -3886,17 +3886,8 @@ bool PeerManager::ProcessMessages(CNode* pfrom, std::atomic<bool>& interruptMsgP
// Message size
unsigned int nMessageSize = msg.m_message_size;
// Checksum
CDataStream& vRecv = msg.m_recv;
if (!msg.m_valid_checksum)
{
LogPrint(BCLog::NET, "%s(%s, %u bytes): CHECKSUM ERROR peer=%d\n", __func__,
SanitizeString(msg_type), nMessageSize, pfrom->GetId());
return fMoreWork;
}
try {
ProcessMessage(*pfrom, msg_type, vRecv, msg.m_time, interruptMsgProc);
ProcessMessage(*pfrom, msg_type, msg.m_recv, msg.m_time, interruptMsgProc);
if (interruptMsgProc)
return false;
if (!pfrom->vRecvGetData.empty())