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Disconnect outbound peers relaying invalid headers

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This commit is contained in:
Suhas Daftuar
2017-10-26 14:54:33 -04:00
parent 4637f18522
commit 37886d5e2f
3 changed files with 56 additions and 12 deletions
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4
src/validation.cpp
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@@ -3079,13 +3079,15 @@ static bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state
}
// Exposed wrapper for AcceptBlockHeader
bool ProcessNewBlockHeaders(const std::vector<CBlockHeader>& headers, CValidationState& state, const CChainParams& chainparams, const CBlockIndex** ppindex)
bool ProcessNewBlockHeaders(const std::vector<CBlockHeader>& headers, CValidationState& state, const CChainParams& chainparams, const CBlockIndex** ppindex, CBlockHeader *first_invalid)
{
if (first_invalid != nullptr) first_invalid->SetNull();
{
LOCK(cs_main);
for (const CBlockHeader& header : headers) {
CBlockIndex *pindex = nullptr; // Use a temp pindex instead of ppindex to avoid a const_cast
if (!AcceptBlockHeader(header, state, chainparams, &pindex)) {
if (first_invalid) *first_invalid = header;
return false;
}
if (ppindex) {