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Merge #10898: Fix invalid checks (NULL checks after dereference, redundant checks, etc.)

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76fed83 Avoid NULL pointer dereference when _walletModel is NULL (which is valid) (practicalswift)
4971a9a Use two boolean literals instead of re-using variable (practicalswift)
b5fb339 Remove duplicate uriParts.size() > 0 check (practicalswift)
7466991 Remove redundant check (!ecc is always true) (practicalswift)
55224af Remove redundant NULL checks after new (practicalswift)

Pull request description:

  Contains:
  * Remove redundant `NULL` checks after throwing `new`
  * Remove redundant check (`!ecc` is always true)
  * Remove duplicate `uriParts.size() > 0` check
  * Use two boolean literals instead of re-using variable

Tree-SHA512: 30e9af8a9d5c8184836f8267b492aeb4e26eca171a3be08f634b3f39b3055b9fa9f06623f6c69b294ca13bf99743f7645cfac2b25e014ff74687bd085a997895
This commit is contained in:
Wladimir J. van der Laan
2017-10-12 23:49:44 +02:00
parent f74459dba6 76fed838f3
commit 470c730e3f
5 changed files with 9 additions and 16 deletions
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8
src/net_processing.cpp
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@@ -379,19 +379,17 @@ void MaybeSetPeerAsAnnouncingHeaderAndIDs(NodeId nodeid, CConnman* connman) {
}
}
connman->ForNode(nodeid, [connman](CNode* pfrom){
bool fAnnounceUsingCMPCTBLOCK = false;
uint64_t nCMPCTBLOCKVersion = (pfrom->GetLocalServices() & NODE_WITNESS) ? 2 : 1;
if (lNodesAnnouncingHeaderAndIDs.size() >= 3) {
// As per BIP152, we only get 3 of our peers to announce
// blocks using compact encodings.
connman->ForNode(lNodesAnnouncingHeaderAndIDs.front(), [connman, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion](CNode* pnodeStop){
connman->PushMessage(pnodeStop, CNetMsgMaker(pnodeStop->GetSendVersion()).Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion));
connman->ForNode(lNodesAnnouncingHeaderAndIDs.front(), [connman, nCMPCTBLOCKVersion](CNode* pnodeStop){
connman->PushMessage(pnodeStop, CNetMsgMaker(pnodeStop->GetSendVersion()).Make(NetMsgType::SENDCMPCT, /*fAnnounceUsingCMPCTBLOCK=*/false, nCMPCTBLOCKVersion));
return true;
});
lNodesAnnouncingHeaderAndIDs.pop_front();
}
fAnnounceUsingCMPCTBLOCK = true;
connman->PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion));
connman->PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::SENDCMPCT, /*fAnnounceUsingCMPCTBLOCK=*/true, nCMPCTBLOCKVersion));
lNodesAnnouncingHeaderAndIDs.push_back(pfrom->GetId());
return true;
});