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Fix ignoring tx data requests when fPauseSend is set on a peer

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This resolves a bug introduced in
66aa1d58a158991a8014a91335b5bc9c00062f56 where, if when responding
to a series of transaction requests in a getdata we hit the send
buffer limit and set fPauseSend, we will skip one transaction per
call to ProcessGetData.

Bug found by Cory Fields (@theuni).

Github-Pull: #12392
Rebased-From: c4af7387634765d254d1432746385cf35917d367
Tree-SHA512: d2f7707eb9f925a655f66e5e77ce406c5266f7b2feccd5bcdabf6d5bc27a3f6578e753fac83d9c8c3fd7cf7de6fee086eee2f95f77af99ea2c4e5ae77c322c58
This commit is contained in:
Matt Corallo 2018-02-08 18:00:06 -05:00 committed by Wladimir J. van der Laan
parent d44cd7ed4b
commit 0f616517e1
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GPG Key ID: 1E4AED62986CD25D
1 changed files with 2 additions and 2 deletions
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4
src/net_processing.cpp
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@ -1225,10 +1225,10 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
} }
} // release cs_main } // release cs_main
if (it != pfrom->vRecvGetData.end()) { if (it != pfrom->vRecvGetData.end() && !pfrom->fPauseSend) {
const CInv &inv = *it; const CInv &inv = *it;
it++;
if (inv.type == MSG_BLOCK || inv.type == MSG_FILTERED_BLOCK || inv.type == MSG_CMPCT_BLOCK || inv.type == MSG_WITNESS_BLOCK) { if (inv.type == MSG_BLOCK || inv.type == MSG_FILTERED_BLOCK || inv.type == MSG_CMPCT_BLOCK || inv.type == MSG_WITNESS_BLOCK) {
it++;
ProcessGetBlockData(pfrom, consensusParams, inv, connman, interruptMsgProc); ProcessGetBlockData(pfrom, consensusParams, inv, connman, interruptMsgProc);
} }
} }