lightningnetwork / lnd / 14193549836

package migration_01_to_11

import "time"

const (

        // DefaultRejectCacheSize is the default number of rejectCacheEntries to

        // cache for use in the rejection cache of incoming gossip traffic. This

        // produces a cache size of around 1MB.

        DefaultRejectCacheSize = 50000

        // DefaultChannelCacheSize is the default number of ChannelEdges cached

        // in order to reply to gossip queries. This produces a cache size of

        // around 40MB.

        DefaultChannelCacheSize = 20000

        // DefaultDBTimeout specifies the default timeout value when opening

        // the bbolt database.

        DefaultDBTimeout = time.Second * 60

)

// Options holds parameters for tuning and customizing a channeldb.DB.

type Options struct {

        // RejectCacheSize is the maximum number of rejectCacheEntries to hold

        // in the rejection cache.

        RejectCacheSize int

        // ChannelCacheSize is the maximum number of ChannelEdges to hold in the

        // channel cache.

        ChannelCacheSize int

        // NoFreelistSync, if true, prevents the database from syncing its

        // freelist to disk, resulting in improved performance at the expense of

        // increased startup time.

        NoFreelistSync bool

        // DBTimeout specifies the timeout value to use when opening the wallet

        // database.

        DBTimeout time.Duration

}

// DefaultOptions returns an Options populated with default values.

// OptionModifier is a function signature for modifying the default Options.

type OptionModifier func(*Options)