mirror of
https://github.com/XRPLF/rippled.git
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d4323f2ef2
think it's out of sync with the network and cause it to jump backwards one ledger, causing it to be out of sync because the network was about to catch up to it.
79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
#ifndef __LEDGERTIMING__
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#define __LEDGERTIMING__
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// The number of seconds a ledger may remain idle before closing
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# define LEDGER_IDLE_INTERVAL 15
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// The number of seconds a validation remains current after its ledger's close time
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// This is a safety to protect against very old validations and the time it takes to adjust
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// the close time accuracy window
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# define LEDGER_VAL_INTERVAL 300
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// The number of seconds before a close time that we consider a validation acceptable
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// This protects against extreme clock errors
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# define LEDGER_EARLY_INTERVAL 180
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// The number of milliseconds we wait minimum to ensure participation
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# define LEDGER_MIN_CONSENSUS 2000
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// Initial resolution of ledger close time
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# define LEDGER_TIME_ACCURACY 30
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// How often to increase resolution
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# define LEDGER_RES_INCREASE 8
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// How often to decrease resolution
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# define LEDGER_RES_DECREASE 1
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// How often we check state or change positions (in milliseconds)
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# define LEDGER_GRANULARITY 1000
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// The percentage of active trusted validators that must be able to
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// keep up with the network or we consider the network overloaded
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# define LEDGER_NET_RATIO 70
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// How long we consider a proposal fresh
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# define PROPOSE_FRESHNESS 20
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// How often we force generating a new proposal to keep ours fresh
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# define PROPOSE_INTERVAL 12
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// Avalanche tuning
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# define AV_INIT_CONSENSUS_PCT 50 // percentage of nodes on our UNL that must vote yes
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# define AV_MID_CONSENSUS_TIME 50 // percentage of previous close time before we advance
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# define AV_MID_CONSENSUS_PCT 65 // percentage of nodes that most vote yes after advancing
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# define AV_LATE_CONSENSUS_TIME 85 // percentage of previous close time before we advance
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# define AV_LATE_CONSENSUS_PCT 70 // percentage of nodes that most vote yes after advancing
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# define AV_STUCK_CONSENSUS_TIME 200
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# define AV_STUCK_CONSENSUS_PCT 95
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# define AV_CT_CONSENSUS_PCT 75
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class ContinuousLedgerTiming
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{
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public:
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static int LedgerTimeResolution[];
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// Returns the number of seconds the ledger was or should be open
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// Call when a consensus is reached and when any transaction is relayed to be added
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static bool shouldClose(
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bool anyTransactions,
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int previousProposers, int proposersClosed,
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int previousSeconds, int currentSeconds,
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int idleInterval);
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static bool haveConsensus(
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int previousProposers, int currentProposers,
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int currentAgree, int currentClosed,
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int previousAgreeTime, int currentAgreeTime,
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bool forReal, bool& failed);
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static int getNextLedgerTimeResolution(int previousResolution, bool previousAgree, int ledgerSeq);
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};
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#endif
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