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Send the correct error code in reject messages

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This commit is contained in:
John Newbery 2017-03-31 14:18:15 -04:00
parent edc62c959a
commit 5d08c9c579
3 changed files with 11 additions and 9 deletions
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6
src/net_processing.cpp
View File

@ -855,8 +855,8 @@ void PeerLogicValidation::BlockChecked(const CBlock& block, const CValidationSta
int nDoS = 0;
if (state.IsInvalid(nDoS)) {
if (it != mapBlockSource.end() && State(it->second.first)) {
assert (state.GetRejectCode() < REJECT_INTERNAL); // Blocks are never rejected with internal reject codes
// Don't send reject message with code 0 or an internal reject code.
if (it != mapBlockSource.end() && State(it->second.first) && state.GetRejectCode() > 0 && state.GetRejectCode() < REJECT_INTERNAL) {
CBlockReject reject = {(unsigned char)state.GetRejectCode(), state.GetRejectReason().substr(0, MAX_REJECT_MESSAGE_LENGTH), hash};
State(it->second.first)->rejects.push_back(reject);
if (nDoS > 0 && it->second.second)
@ -1942,7 +1942,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
LogPrint("mempoolrej", "%s from peer=%d was not accepted: %s\n", tx.GetHash().ToString(),
pfrom->id,
FormatStateMessage(state));
if (state.GetRejectCode() < REJECT_INTERNAL) // Never send AcceptToMemoryPool's internal codes over P2P
if (state.GetRejectCode() > 0 && state.GetRejectCode() < REJECT_INTERNAL) // Never send AcceptToMemoryPool's internal codes over P2P
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::REJECT, strCommand, (unsigned char)state.GetRejectCode(),
state.GetRejectReason().substr(0, MAX_REJECT_MESSAGE_LENGTH), inv.hash));
if (nDoS > 0) {

10
src/validation.cpp
View File

@ -1914,7 +1914,7 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
REJECT_INVALID, "bad-cb-amount");
if (!control.Wait())
return state.DoS(100, false);
return state.DoS(100, error("%s: CheckQueue failed", __func__), REJECT_INVALID, "block-validation-failed");
int64_t nTime4 = GetTimeMicros(); nTimeVerify += nTime4 - nTime2;
LogPrint("bench", " - Verify %u txins: %.2fms (%.3fms/txin) [%.2fs]\n", nInputs - 1, 0.001 * (nTime4 - nTime2), nInputs <= 1 ? 0 : 0.001 * (nTime4 - nTime2) / (nInputs-1), nTimeVerify * 0.000001);
@ -2881,10 +2881,12 @@ static bool CheckIndexAgainstCheckpoint(const CBlockIndex* pindexPrev, CValidati
return true;
int nHeight = pindexPrev->nHeight+1;
// Don't accept any forks from the main chain prior to last checkpoint
// Don't accept any forks from the main chain prior to last checkpoint.
// GetLastCheckpoint finds the last checkpoint in MapCheckpoints that's in our
// MapBlockIndex.
CBlockIndex* pcheckpoint = Checkpoints::GetLastCheckpoint(chainparams.Checkpoints());
if (pcheckpoint && nHeight < pcheckpoint->nHeight)
return state.DoS(100, error("%s: forked chain older than last checkpoint (height %d)", __func__, nHeight));
return state.DoS(100, error("%s: forked chain older than last checkpoint (height %d)", __func__, nHeight), REJECT_CHECKPOINT, "bad-fork-prior-to-checkpoint");
return true;
}
@ -3083,7 +3085,7 @@ static bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state
CBlockIndex* pindexPrev = NULL;
BlockMap::iterator mi = mapBlockIndex.find(block.hashPrevBlock);
if (mi == mapBlockIndex.end())
return state.DoS(10, error("%s: prev block not found", __func__), 0, "bad-prevblk");
return state.DoS(10, error("%s: prev block not found", __func__), 0, "prev-blk-not-found");
pindexPrev = (*mi).second;
if (pindexPrev->nStatus & BLOCK_FAILED_MASK)
return state.DoS(100, error("%s: prev block invalid", __func__), REJECT_INVALID, "bad-prevblk");

4
test/functional/p2p-fullblocktest.py
View File

@ -398,7 +398,7 @@ class FullBlockTest(ComparisonTestFramework):
# Extend the b26 chain to make sure bitcoind isn't accepting b26
b27 = block(27, spend=out[7])
yield rejected(RejectResult(0, b'bad-prevblk'))
yield rejected(False)
# Now try a too-large-coinbase script
tip(15)
@ -410,7 +410,7 @@ class FullBlockTest(ComparisonTestFramework):
# Extend the b28 chain to make sure bitcoind isn't accepting b28
b29 = block(29, spend=out[7])
yield rejected(RejectResult(0, b'bad-prevblk'))
yield rejected(False)
# b30 has a max-sized coinbase scriptSig.
tip(23)