Files
rippled/src/LedgerTiming.h
2012-07-17 17:48:55 -07:00

57 lines
1.7 KiB
C++

#ifndef __LEDGERTIMING__
#define __LEDGERTIMING__
// The number of seconds a ledger may remain idle before closing
# define LEDGER_IDLE_INTERVAL 15
// The number of seconds a validation remains current
# define LEDGER_MAX_INTERVAL 60
// The number of milliseconds we wait minimum to ensure participation
# define LEDGER_MIN_CONSENSUS 2000
// Initial resolution of ledger close time
# define LEDGER_TIME_ACCURACY 30
// How often to increase resolution
# define LEDGER_RES_INCREASE 8
// How often to decrease resolution
# define LEDGER_RES_DECREASE 1
// How often we check state or change positions (in milliseconds)
# define LEDGER_GRANULARITY 1000
// Avalanche tuning
#define AV_INIT_CONSENSUS_PCT 50 // percentage of nodes on our UNL that must vote yes
#define AV_MID_CONSENSUS_TIME 50 // percentage of previous close time before we advance
#define AV_MID_CONSENSUS_PCT 65 // percentage of nodes that most vote yes after advancing
#define AV_LATE_CONSENSUS_TIME 85 // percentage of previous close time before we advance
#define AV_LATE_CONSENSUS_PCT 70 // percentage of nodes that most vote yes after advancing
class ContinuousLedgerTiming
{
public:
static int LedgerTimeResolution[];
// Returns the number of seconds the ledger was or should be open
// Call when a consensus is reached and when any transaction is relayed to be added
static int shouldClose(
bool anyTransactions,
int previousProposers, int proposersClosed,
int previousSeconds, int currentSeconds);
static bool haveConsensus(
int previousProposers, int currentProposers,
int currentAgree, int currentClosed,
int previousAgreeTime, int currentAgreeTime);
static int getNextLedgerTimeResolution(int previousResolution, bool previousAgree, int ledgerSeq);
};
#endif