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Track when we have to abandon the consensus process because the network has moved on.

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Issue partial validation if appropriate later.
Change the consensus abort threshold to 80% of trusted nodes. (Maybe there should be a delay?)
This commit is contained in:
JoelKatz
2012-11-14 08:47:36 -08:00
parent bd44ae1b2b
commit 601db4491a
4 changed files with 13 additions and 10 deletions
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11
src/cpp/ripple/LedgerTiming.cpp
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@@ -63,7 +63,8 @@ bool ContinuousLedgerTiming::haveConsensus(
int currentFinished, // proposers who have validated a ledger after this one
int previousAgreeTime, // how long it took to agree on the last ledger
int currentAgreeTime, // how long we've been trying to agree
bool forReal) // deciding whether to stop consensus process
bool forReal, // deciding whether to stop consensus process
bool& failed) // we can't reach a consensus
{
cLog(lsTRACE) << boost::str(boost::format("CLC::haveConsensus: prop=%d/%d agree=%d validated=%d time=%d/%d%s") %
currentProposers % previousProposers % currentAgree % currentFinished % currentAgreeTime % previousAgreeTime %
@@ -85,13 +86,15 @@ bool ContinuousLedgerTiming::haveConsensus(
if (((currentAgree * 100 + 100) / (currentProposers + 1)) > 80)
{
tLog(forReal, lsINFO) << "normal consensus";
failed = false;
return true;
}
// If 50% of the nodes on your UNL have moved on, you should declare consensus
if (((currentFinished * 100) / (currentProposers + 1)) > 50)
// If 80% of the nodes on your UNL have moved on, you should declare consensus
if (((currentFinished * 100) / (currentProposers + 1)) > 80)
{
tLog(forReal, lsWARNING) << "We see no consensus, but 50% of nodes have moved on";
tLog(forReal, lsWARNING) << "We see no consensus, but 80% of nodes have moved on";
failed = true;
return true;
}