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disk

package

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Versions in this module

v0

v0.0.9

Aug 6, 2021

Changes in this version

+ const BlockfileChunkSize

+ const MaxBlockfileSize

+ const MaxFileIdleTime

+ const MinDiskSpace

+ var BlkMessageHeaderLength = MagicNoLength + RawBlkSizeLength

+ var CheckDiskSpaceStub func(path string, additional uint64) bool

+ var ErrClosed = errors.New("file writer closed")

+ var ErrFileOutOfRange = errors.New("file out of range")

+ var ErrInvalidFlatFilePos = errors.New("invalid FlatFilePos")

+ var ErrOutOfSpace = errors.New("out of space")

+ var ErrReadBrokenBlock = errors.New("read broken block")

+ var ErrReadBrokenBlockHeader = errors.New("read broken block header")

+ var ErrReadBrokenData = errors.New("read broken data")

+ var MagicNo = [4]byte

+ var MagicNoLength = len(MagicNo)

+ var RawBlkSizeLength = 8

+ func CheckDiskSpaceNonWin(path string, additional uint64) bool — darwin/amd64, js/wasm, linux/amd64

+ func CheckDiskSpaceWin(path string, additional uint64) bool — windows/amd64

+ func TruncateFile(f *os.File, size int64) error

+ type BlockFile struct

+ func NewBlockFile(fileNo uint32, readonly bool) *BlockFile

+ func NewBlockFileFromBytes(data []byte, readonly bool) *BlockFile

+ func (b *BlockFile) AddBlock(height, size uint64, timestamp uint64)

+ func (b *BlockFile) Bytes() []byte

+ func (b *BlockFile) Close()

+ func (b *BlockFile) Flush(size int64, finalize bool)

+ func (b *BlockFile) Number() uint32

+ func (b *BlockFile) ReadRawData(flatFileSeq *FlatFileSeq, offset int64, size int) ([]byte, error)

+ func (b *BlockFile) Size() uint64

+ func (b *BlockFile) WriteRawBlock(flatFileSeq *FlatFileSeq, offset int64, data []byte) error

+ type BlockFileKeeper struct

+ func NewBlockFileKeeper(dir string, records [][]byte) *BlockFileKeeper

+ func (b *BlockFileKeeper) Close()

+ func (b *BlockFileKeeper) CommitRecentChange()

+ func (b *BlockFileKeeper) DiscardRecentChange()

+ func (b *BlockFileKeeper) ReadRawBlock(fileNo uint32, offset int64, blkSize int) ([]byte, error)

+ func (b *BlockFileKeeper) ReadRawTx(fileNo uint32, offsetBlk, offsetTxInBlk int64, txSize int) ([]byte, error)

+ func (b *BlockFileKeeper) SaveRawBlockToDisk(rawBlk []byte, height uint64, timestamp int64) (file *BlockFile, offset int64, err error)

+ type FlatFilePos struct

+ func NewFlatFilePos(fileNo uint32, pos int64) *FlatFilePos

+ func (f *FlatFilePos) FileNo() uint32

+ func (f *FlatFilePos) Pos() int64

+ func (f *FlatFilePos) String() string

+ type FlatFileSeq struct

+ func NewFlatFileSeq(dir, prefix string, chunkSize int64) *FlatFileSeq

+ func (f *FlatFileSeq) Allocate(pos *FlatFilePos, size int64) error

+ func (f *FlatFileSeq) ExistFile(pos *FlatFilePos) (bool, error)

+ func (f *FlatFileSeq) FilePath(pos *FlatFilePos) string

+ func (f *FlatFileSeq) Open(pos *FlatFilePos, readOnly bool) (file *os.File, err error)

v0.0.8

Aug 6, 2021

v0.0.7

Aug 6, 2021

v0.0.6

Aug 6, 2021

v0.0.5

Aug 6, 2021

v0.0.3

Aug 6, 2021

v0.0.2

Aug 6, 2021