38 lines
717 B
Go
38 lines
717 B
Go
package randomx
|
|
|
|
import (
|
|
"git.gammaspectra.live/P2Pool/consensus/v3/types"
|
|
)
|
|
|
|
type Hasher interface {
|
|
Hash(key []byte, input []byte) (types.Hash, error)
|
|
OptionFlags(flags ...Flag) error
|
|
OptionNumberOfCachedStates(n int) error
|
|
Close()
|
|
}
|
|
|
|
func SeedHeights(height uint64) (seedHeight, nextHeight uint64) {
|
|
return SeedHeight(height), SeedHeight(height + SeedHashEpochLag)
|
|
}
|
|
|
|
func SeedHeight(height uint64) uint64 {
|
|
if height <= SeedHashEpochBlocks+SeedHashEpochLag {
|
|
return 0
|
|
}
|
|
|
|
return (height - SeedHashEpochLag - 1) & (^uint64(SeedHashEpochBlocks - 1))
|
|
}
|
|
|
|
type Flag int
|
|
|
|
const (
|
|
FlagLargePages Flag = 1 << iota
|
|
FlagFullMemory
|
|
FlagSecure
|
|
)
|
|
|
|
const (
|
|
SeedHashEpochLag = 64
|
|
SeedHashEpochBlocks = 2048
|
|
)
|