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Create new signal for notification of new blocks. Use w/ -blocknotify

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This commit is contained in:
Jeff Garzik 2014-08-14 12:32:34 -04:00
parent beb36e800c
commit c7b6117deb
3 changed files with 17 additions and 5 deletions
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11
src/init.cpp
View File

@ -367,6 +367,14 @@ std::string LicenseInfo()
"\n"; "\n";
} }
static void BlockNotifyCallback(const uint256& hashNewTip)
{
std::string strCmd = GetArg("-blocknotify", "");
boost::replace_all(strCmd, "%s", hashNewTip.GetHex());
boost::thread t(runCommand, strCmd); // thread runs free
}
struct CImportingNow struct CImportingNow
{ {
CImportingNow() { CImportingNow() {
@ -1184,6 +1192,9 @@ bool AppInit2(boost::thread_group& threadGroup)
#endif // !ENABLE_WALLET #endif // !ENABLE_WALLET
// ********************************************************* Step 9: import blocks // ********************************************************* Step 9: import blocks
if (mapArgs.count("-blocknotify"))
uiInterface.NotifyBlockTip.connect(BlockNotifyCallback);
// scan for better chains in the block chain database, that are not yet connected in the active best chain // scan for better chains in the block chain database, that are not yet connected in the active best chain
CValidationState state; CValidationState state;
if (!ActivateBestChain(state)) if (!ActivateBestChain(state))

8
src/main.cpp
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@ -2162,16 +2162,14 @@ bool ActivateBestChain(CValidationState &state) {
uint256 hashNewTip = pindexNewTip->GetBlockHash(); uint256 hashNewTip = pindexNewTip->GetBlockHash();
// Relay inventory, but don't relay old inventory during initial block download. // Relay inventory, but don't relay old inventory during initial block download.
int nBlockEstimate = Checkpoints::GetTotalBlocksEstimate(); int nBlockEstimate = Checkpoints::GetTotalBlocksEstimate();
{
LOCK(cs_vNodes); LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodes) BOOST_FOREACH(CNode* pnode, vNodes)
if (chainActive.Height() > (pnode->nStartingHeight != -1 ? pnode->nStartingHeight - 2000 : nBlockEstimate)) if (chainActive.Height() > (pnode->nStartingHeight != -1 ? pnode->nStartingHeight - 2000 : nBlockEstimate))
pnode->PushInventory(CInv(MSG_BLOCK, hashNewTip)); pnode->PushInventory(CInv(MSG_BLOCK, hashNewTip));
std::string strCmd = GetArg("-blocknotify", "");
if (!strCmd.empty()) {
boost::replace_all(strCmd, "%s", hashNewTip.GetHex());
boost::thread t(runCommand, strCmd); // thread runs free
} }
uiInterface.NotifyBlockTip(hashNewTip);
} }
} while(pindexMostWork != chainActive.Tip()); } while(pindexMostWork != chainActive.Tip());

3
src/ui_interface.h
View File

@ -92,6 +92,9 @@ public:
/** Show progress e.g. for verifychain */ /** Show progress e.g. for verifychain */
boost::signals2::signal<void (const std::string &title, int nProgress)> ShowProgress; boost::signals2::signal<void (const std::string &title, int nProgress)> ShowProgress;
/** New block has been accepted */
boost::signals2::signal<void (const uint256& hash)> NotifyBlockTip;
}; };
extern CClientUIInterface uiInterface; extern CClientUIInterface uiInterface;