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Implement "getchaintips" RPC command to monitor blockchain forks.

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Port over https://github.com/chronokings/huntercoin/pull/19 from
Huntercoin:  This implements a new RPC command "getchaintips" that can be
used to find all currently active chain heads.  This is similar to the
-printblocktree startup option, but it can be used without restarting
just via the RPC interface on a running daemon.
This commit is contained in:
Daniel Kraft
2014-08-03 18:12:19 +02:00
parent 6278bd57c6
commit b33bd7a3be
6 changed files with 100 additions and 4 deletions
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6
src/main.cpp
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@@ -444,7 +444,7 @@ CBlockIndex *CChain::FindFork(const CBlockLocator &locator) const {
return Genesis();
}
CBlockIndex *CChain::FindFork(CBlockIndex *pindex) const {
const CBlockIndex *CChain::FindFork(const CBlockIndex *pindex) const {
if (pindex->nHeight > Height())
pindex = pindex->GetAncestor(Height());
while (pindex && !Contains(pindex))
@@ -2067,8 +2067,8 @@ static CBlockIndex* FindMostWorkChain() {
static bool ActivateBestChainStep(CValidationState &state, CBlockIndex *pindexMostWork) {
AssertLockHeld(cs_main);
bool fInvalidFound = false;
CBlockIndex *pindexOldTip = chainActive.Tip();
CBlockIndex *pindexFork = chainActive.FindFork(pindexMostWork);
const CBlockIndex *pindexOldTip = chainActive.Tip();
const CBlockIndex *pindexFork = chainActive.FindFork(pindexMostWork);
// Disconnect active blocks which are no longer in the best chain.
while (chainActive.Tip() && chainActive.Tip() != pindexFork) {