ethashproof

Documentation

Index

• Constants
• func CacheFilePath(dirPath string, epoch uint64) string
• func CalculateDatasetMerkleRoot(dagdir, cachedir string, epoch uint64, saveCache bool) (mtree.Hash, error)
• func CalculateProof(dagdir string, blockno uint64, index uint32, cache *DatasetMerkleTreeCache) (mtree.Word, []mtree.Hash, error)
• func PersistCache(dirPath string, cache *DatasetMerkleTreeCache) error
• func RLPHeader(header *types.Header) ([]byte, error)
• func RemoveEpochFile(cachedir, dagdir string, epoch uint64)
• type DatasetMerkleTreeCache
  • func LoadCache(dirPath string, epoch uint64) (*DatasetMerkleTreeCache, error)
  • func (self *DatasetMerkleTreeCache) Print()

Constants

const CACHE_LEVEL uint64 = 15

Functions

func CacheFilePath

func CacheFilePath(dirPath string, epoch uint64) string

func CalculateDatasetMerkleRoot

func CalculateDatasetMerkleRoot(dagdir, cachedir string, epoch uint64, saveCache bool) (mtree.Hash, error)

1. Generate the dataset if needed
2. Build merkle tree
3. If saveCache is true, save root merkle tree of 10 levels to disk
4. Return merkle root

func CalculateProof

func CalculateProof(dagdir string, blockno uint64, index uint32, cache *DatasetMerkleTreeCache) (mtree.Word, []mtree.Hash, error)

func PersistCache

func PersistCache(dirPath string, cache *DatasetMerkleTreeCache) error

func RLPHeader

func RLPHeader(header *types.Header) ([]byte, error)

func RemoveEpochFile

func RemoveEpochFile(cachedir, dagdir string, epoch uint64)

Types

type DatasetMerkleTreeCache

type DatasetMerkleTreeCache struct {
	Epoch       uint64         `json:"epoch"`
	ProofLength uint64         `json:"proof_length"`
	CacheLength uint64         `json:"cache_length"`
	RootHash    mtree.Hash     `json:"root_hash"`
	Proofs      [][]mtree.Hash `json:"proofs"`
}

func LoadCache

func LoadCache(dirPath string, epoch uint64) (*DatasetMerkleTreeCache, error)

func (*DatasetMerkleTreeCache) Print

func (self *DatasetMerkleTreeCache) Print()