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Replace CValidationState param in ProcessNewBlock with BlockChecked

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This commit is contained in:
Matt Corallo 2016-10-27 16:30:17 -04:00
parent 7c98ce584e
commit ae22357607
5 changed files with 28 additions and 48 deletions
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43
src/main.cpp
View File

@ -3787,7 +3787,7 @@ static bool AcceptBlock(const CBlock& block, CValidationState& state, const CCha
return true;
}
bool ProcessNewBlock(CValidationState& state, const CChainParams& chainparams, const CBlock* pblock, bool fForceProcessing, const CDiskBlockPos* dbp, bool *fNewBlock)
bool ProcessNewBlock(const CChainParams& chainparams, const CBlock* pblock, bool fForceProcessing, const CDiskBlockPos* dbp, bool *fNewBlock)
{
{
LOCK(cs_main);
@ -3795,14 +3795,18 @@ bool ProcessNewBlock(CValidationState& state, const CChainParams& chainparams, c
// Store to disk
CBlockIndex *pindex = NULL;
if (fNewBlock) *fNewBlock = false;
CValidationState state;
bool ret = AcceptBlock(*pblock, state, chainparams, &pindex, fForceProcessing, dbp, fNewBlock);
CheckBlockIndex(chainparams.GetConsensus());
if (!ret)
if (!ret) {
GetMainSignals().BlockChecked(*pblock, state);
return error("%s: AcceptBlock FAILED", __func__);
}
}
NotifyHeaderTip();
CValidationState state; // Only used to report errors, not invalidity - ignore it
if (!ActivateBestChain(state, chainparams, pblock))
return error("%s: ActivateBestChain failed", __func__);
@ -5912,26 +5916,18 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
fBlockRead = true;
// mapBlockSource is only used for sending reject messages and DoS scores,
// so the race between here and cs_main in ProcessNewBlock is fine.
// BIP 152 permits peers to relay compact blocks after validating
// the header only; we should not punish peers if the block turns
// out to be invalid.
mapBlockSource.emplace(resp.blockhash, std::make_pair(pfrom->GetId(), false));
}
} // Don't hold cs_main when we call into ProcessNewBlock
if (fBlockRead) {
CValidationState state;
bool fNewBlock = false;
// Since we requested this block (it was in mapBlocksInFlight), force it to be processed,
// even if it would not be a candidate for new tip (missing previous block, chain not long enough, etc)
// BIP 152 permits peers to relay compact blocks after validating
// the header only; we should not punish peers if the block turns
// out to be invalid.
ProcessNewBlock(state, chainparams, &block, true, NULL, &fNewBlock);
int nDoS;
if (state.IsInvalid(nDoS)) {
assert (state.GetRejectCode() < REJECT_INTERNAL); // Blocks are never rejected with internal reject codes
connman.PushMessage(pfrom, NetMsgType::REJECT, strCommand, (unsigned char)state.GetRejectCode(),
state.GetRejectReason().substr(0, MAX_REJECT_MESSAGE_LENGTH), block.GetHash());
LOCK(cs_main);
mapBlockSource.erase(resp.blockhash);
} else if (fNewBlock)
ProcessNewBlock(chainparams, &block, true, NULL, &fNewBlock);
if (fNewBlock)
pfrom->nLastBlockTime = GetTime();
}
}
@ -6090,7 +6086,6 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
LogPrint("net", "received block %s peer=%d\n", block.GetHash().ToString(), pfrom->id);
CValidationState state;
// Process all blocks from whitelisted peers, even if not requested,
// unless we're still syncing with the network.
// Such an unrequested block may still be processed, subject to the
@ -6107,21 +6102,9 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
mapBlockSource.emplace(hash, std::make_pair(pfrom->GetId(), true));
}
bool fNewBlock = false;
ProcessNewBlock(state, chainparams, &block, forceProcessing, NULL, &fNewBlock);
int nDoS;
if (state.IsInvalid(nDoS)) {
assert (state.GetRejectCode() < REJECT_INTERNAL); // Blocks are never rejected with internal reject codes
connman.PushMessage(pfrom, NetMsgType::REJECT, strCommand, (unsigned char)state.GetRejectCode(),
state.GetRejectReason().substr(0, MAX_REJECT_MESSAGE_LENGTH), block.GetHash());
if (nDoS > 0) {
LOCK(cs_main);
Misbehaving(pfrom->GetId(), nDoS);
}
LOCK(cs_main);
mapBlockSource.erase(hash);
} else if (fNewBlock)
ProcessNewBlock(chainparams, &block, forceProcessing, NULL, &fNewBlock);
if (fNewBlock)
pfrom->nLastBlockTime = GetTime();
}

10
src/main.h
View File

@ -215,15 +215,21 @@ static const uint64_t MIN_DISK_SPACE_FOR_BLOCK_FILES = 550 * 1024 * 1024;
* Process an incoming block. This only returns after the best known valid
* block is made active. Note that it does not, however, guarantee that the
* specific block passed to it has been checked for validity!
*
* If you want to *possibly* get feedback on whether pblock is valid, you must
* install a CValidationInterface (see validationinterface.h) - this will have
* its BlockChecked method called whenever *any* block completes validation.
*
* Note that we guarantee that either the proof-of-work is valid on pblock, or
* (and possibly also) BlockChecked will have been called.
*
* @param[out] state This may be set to an Error state if any error occurred processing it, including during validation/connection/etc of otherwise unrelated blocks during reorganization; or it may be set to an Invalid state if pblock is itself invalid (but this is not guaranteed even when the block is checked). If you want to *possibly* get feedback on whether pblock is valid, you must also install a CValidationInterface (see validationinterface.h) - this will have its BlockChecked method called whenever *any* block completes validation.
* @param[in] pblock The block we want to process.
* @param[in] fForceProcessing Process this block even if unrequested; used for non-network block sources and whitelisted peers.
* @param[out] dbp The already known disk position of pblock, or NULL if not yet stored.
* @param[out] fNewBlock A boolean which is set to indicate if the block was first received via this call
* @return True if state.IsValid()
*/
bool ProcessNewBlock(CValidationState& state, const CChainParams& chainparams, const CBlock* pblock, bool fForceProcessing, const CDiskBlockPos* dbp, bool* fNewBlock);
bool ProcessNewBlock(const CChainParams& chainparams, const CBlock* pblock, bool fForceProcessing, const CDiskBlockPos* dbp, bool* fNewBlock);
/** Check whether enough disk space is available for an incoming block */
bool CheckDiskSpace(uint64_t nAdditionalBytes = 0);
/** Open a block file (blk?????.dat) */

16
src/rpc/mining.cpp
View File

@ -131,8 +131,7 @@ UniValue generateBlocks(boost::shared_ptr<CReserveScript> coinbaseScript, int nG
if (pblock->nNonce == nInnerLoopCount) {
continue;
}
CValidationState state;
if (!ProcessNewBlock(state, Params(), pblock, true, NULL, NULL))
if (!ProcessNewBlock(Params(), pblock, true, NULL, NULL))
throw JSONRPCError(RPC_INTERNAL_ERROR, "ProcessNewBlock, block not accepted");
++nHeight;
blockHashes.push_back(pblock->GetHash().GetHex());
@ -754,10 +753,9 @@ UniValue submitblock(const JSONRPCRequest& request)
}
}
CValidationState state;
submitblock_StateCatcher sc(block.GetHash());
RegisterValidationInterface(&sc);
bool fAccepted = ProcessNewBlock(state, Params(), &block, true, NULL, NULL);
bool fAccepted = ProcessNewBlock(Params(), &block, true, NULL, NULL);
UnregisterValidationInterface(&sc);
if (fBlockPresent)
{
@ -765,13 +763,9 @@ UniValue submitblock(const JSONRPCRequest& request)
return "duplicate-inconclusive";
return "duplicate";
}
if (fAccepted)
{
if (!sc.found)
return "inconclusive";
state = sc.state;
}
return BIP22ValidationResult(state);
if (!sc.found)
return "inconclusive";
return BIP22ValidationResult(sc.state);
}
UniValue estimatefee(const JSONRPCRequest& request)

4
src/test/miner_tests.cpp
View File

@ -222,9 +222,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
txFirst.push_back(new CTransaction(pblock->vtx[0]));
pblock->hashMerkleRoot = BlockMerkleRoot(*pblock);
pblock->nNonce = blockinfo[i].nonce;
CValidationState state;
BOOST_CHECK(ProcessNewBlock(state, chainparams, pblock, true, NULL, NULL));
BOOST_CHECK(state.IsValid());
BOOST_CHECK(ProcessNewBlock(chainparams, pblock, true, NULL, NULL));
pblock->hashPrevBlock = pblock->GetHash();
}

3
src/test/test_bitcoin.cpp
View File

@ -126,8 +126,7 @@ TestChain100Setup::CreateAndProcessBlock(const std::vector<CMutableTransaction>&
while (!CheckProofOfWork(block.GetHash(), block.nBits, chainparams.GetConsensus())) ++block.nNonce;
CValidationState state;
ProcessNewBlock(state, chainparams, &block, true, NULL, NULL);
ProcessNewBlock(chainparams, &block, true, NULL, NULL);
CBlock result = block;
return result;