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Make the optional pblock in ActivateBestChain a shared_ptr

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This commit is contained in:
Matt Corallo 2016-10-15 14:01:31 -04:00
parent ae4db44d03
commit 2736c44c8e
3 changed files with 14 additions and 9 deletions
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4
src/rpc/blockchain.cpp
View File

@ -1319,7 +1319,7 @@ UniValue invalidateblock(const JSONRPCRequest& request)
}
if (state.IsValid()) {
ActivateBestChain(state, Params(), NULL);
ActivateBestChain(state, Params());
}
if (!state.IsValid()) {
@ -1357,7 +1357,7 @@ UniValue reconsiderblock(const JSONRPCRequest& request)
}
CValidationState state;
ActivateBestChain(state, Params(), NULL);
ActivateBestChain(state, Params());
if (!state.IsValid()) {
throw JSONRPCError(RPC_DATABASE_ERROR, state.GetRejectReason());

17
src/validation.cpp
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@ -2288,7 +2288,7 @@ static void PruneBlockIndexCandidates() {
* Try to make some progress towards making pindexMostWork the active block.
* pblock is either NULL or a pointer to a CBlock corresponding to pindexMostWork.
*/
static bool ActivateBestChainStep(CValidationState& state, const CChainParams& chainparams, CBlockIndex* pindexMostWork, const CBlock* pblock, bool& fInvalidFound, ConnectTrace& connectTrace)
static bool ActivateBestChainStep(CValidationState& state, const CChainParams& chainparams, CBlockIndex* pindexMostWork, const std::shared_ptr<const CBlock>& pblock, bool& fInvalidFound, ConnectTrace& connectTrace)
{
AssertLockHeld(cs_main);
const CBlockIndex *pindexOldTip = chainActive.Tip();
@ -2321,8 +2321,7 @@ static bool ActivateBestChainStep(CValidationState& state, const CChainParams& c
// Connect new blocks.
BOOST_REVERSE_FOREACH(CBlockIndex *pindexConnect, vpindexToConnect) {
//TODO: The pblock copy is a major performance regression, but callers need updated to fix this
if (!ConnectTip(state, chainparams, pindexConnect, (pblock && pindexConnect == pindexMostWork) ? std::make_shared<const CBlock>(*pblock) : std::shared_ptr<const CBlock>(), connectTrace)) {
if (!ConnectTip(state, chainparams, pindexConnect, pindexConnect == pindexMostWork ? pblock : std::shared_ptr<const CBlock>(), connectTrace)) {
if (state.IsInvalid()) {
// The block violates a consensus rule.
if (!state.CorruptionPossible())
@ -2389,7 +2388,7 @@ static void NotifyHeaderTip() {
* or an activated best chain. pblock is either NULL or a pointer to a block
* that is already loaded (to avoid loading it again from disk).
*/
bool ActivateBestChain(CValidationState &state, const CChainParams& chainparams, const CBlock *pblock) {
bool ActivateBestChain(CValidationState &state, const CChainParams& chainparams, std::shared_ptr<const CBlock> pblock) {
CBlockIndex *pindexMostWork = NULL;
CBlockIndex *pindexNewTip = NULL;
do {
@ -2412,7 +2411,8 @@ bool ActivateBestChain(CValidationState &state, const CChainParams& chainparams,
return true;
bool fInvalidFound = false;
if (!ActivateBestChainStep(state, chainparams, pindexMostWork, pblock && pblock->GetHash() == pindexMostWork->GetBlockHash() ? pblock : NULL, fInvalidFound, connectTrace))
std::shared_ptr<const CBlock> nullBlockPtr;
if (!ActivateBestChainStep(state, chainparams, pindexMostWork, pblock && pblock->GetHash() == pindexMostWork->GetBlockHash() ? pblock : nullBlockPtr, fInvalidFound, connectTrace))
return false;
if (fInvalidFound) {
@ -3142,8 +3142,13 @@ bool ProcessNewBlock(const CChainParams& chainparams, const CBlock* pblock, bool
NotifyHeaderTip();
//TODO: This copy is a major performance regression, but callers need updated to fix this
std::shared_ptr<const CBlock> block_ptr;
if (pblock)
block_ptr.reset(new CBlock(*pblock));
CValidationState state; // Only used to report errors, not invalidity - ignore it
if (!ActivateBestChain(state, chainparams, pblock))
if (!ActivateBestChain(state, chainparams, block_ptr))
return error("%s: ActivateBestChain failed", __func__);
return true;

2
src/validation.h
View File

@ -278,7 +278,7 @@ std::string GetWarnings(const std::string& strFor);
/** Retrieve a transaction (from memory pool, or from disk, if possible) */
bool GetTransaction(const uint256 &hash, CTransaction &tx, const Consensus::Params& params, uint256 &hashBlock, bool fAllowSlow = false);
/** Find the best known block, and make it the tip of the block chain */
bool ActivateBestChain(CValidationState& state, const CChainParams& chainparams, const CBlock* pblock = NULL);
bool ActivateBestChain(CValidationState& state, const CChainParams& chainparams, std::shared_ptr<const CBlock> pblock = std::shared_ptr<const CBlock>());
CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams);
/**