entryBlock

package
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 Go to latest Published: Jul 18, 2019 License: Apache-2.0, BSD-2-Clause, BSD-3-Clause, + 4 more Imports: 10 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func DeterministicEntry 

func DeterministicEntry(i int) interfaces.IEBEntry

func ExternalIDsToChainID 

func ExternalIDsToChainID(extIDs [][]byte) interfaces.IHash

func MarshalEntryList 

func MarshalEntryList(list []interfaces.IEBEntry) ([]byte, error)

func NewChainID 

func NewChainID(e interfaces.IEBEntry) interfaces.IHash

NewChainID generates a ChainID from an entry. ChainID = primitives.Sha(Sha(ExtIDs[0]) + Sha(ExtIDs[1] + ... + Sha(ExtIDs[n]))

func RandomEntry 

func RandomEntry() interfaces.IEBEntry

func UnmarshalEBlock 

func UnmarshalEBlock(data []byte) (interfaces.IEntryBlock, error)

func UnmarshalEBlockData 

func UnmarshalEBlockData(data []byte) (interfaces.IEntryBlock, []byte, error)

func UnmarshalEntry 

func UnmarshalEntry(data []byte) (interfaces.IEBEntry, error)

func UnmarshalEntryList 

func UnmarshalEntryList(data []byte) ([]interfaces.IEBEntry, []byte, error)

Types

type EBlock 

type EBlock struct {
	Header interfaces.IEntryBlockHeader `json:"header"`
	Body   *EBlockBody                  `json:"body"`
}

EBlock is the Entry Block. It holds the hashes of the Entries and its Merkle Root is written into the Directory Blocks. Each Entry Block represents all of the entries for a particular Chain during a 10 minute period.

func NewEBlock 

func NewEBlock() *EBlock

NewEBlock returns a blank initialized Entry Block with all fields zeroed.

func (*EBlock) AddEBEntry 

func (e *EBlock) AddEBEntry(entry interfaces.IEBEntry) error

AddEBEntry creates a new Entry Block Entry from the provided Factom Entry and adds it to the Entry Block Body.

func (*EBlock) AddEndOfMinuteMarker 

func (e *EBlock) AddEndOfMinuteMarker(m byte) error

AddEndOfMinuteMarker adds the End of Minute to the Entry Block. The End of Minut byte becomes the last byte in a 32 byte slice that is added to the Entry Block Body as an Entry Block Entry.

func (*EBlock) BodyKeyMR 

func (e *EBlock) BodyKeyMR() (rval interfaces.IHash)

func (*EBlock) BuildHeader 

func (e *EBlock) BuildHeader() error

BuildHeader updates the Entry Block Header to include information about the Entry Block Body. BuildHeader should be run after the Entry Block Body has included all of its EntryEntries.

func (*EBlock) DatabasePrimaryIndex 

func (c *EBlock) DatabasePrimaryIndex() (rval interfaces.IHash)

func (*EBlock) DatabaseSecondaryIndex 

func (c *EBlock) DatabaseSecondaryIndex() (rval interfaces.IHash)

func (*EBlock) GetBody 

func (c *EBlock) GetBody() interfaces.IEBlockBody

func (*EBlock) GetChainID 

func (c *EBlock) GetChainID() (rval interfaces.IHash)

func (*EBlock) GetDatabaseHeight 

func (c *EBlock) GetDatabaseHeight() uint32

func (*EBlock) GetEntryHashes 

func (c *EBlock) GetEntryHashes() []interfaces.IHash

func (*EBlock) GetEntrySigHashes 

func (c *EBlock) GetEntrySigHashes() []interfaces.IHash

func (*EBlock) GetHash 

func (e *EBlock) GetHash() (rval interfaces.IHash)

func (*EBlock) GetHashOfChainID 

func (c *EBlock) GetHashOfChainID() []byte

func (*EBlock) GetHashOfChainIDHash 

func (c *EBlock) GetHashOfChainIDHash() (rval interfaces.IHash)

func (*EBlock) GetHeader 

func (c *EBlock) GetHeader() interfaces.IEntryBlockHeader

func (*EBlock) Hash 

func (e *EBlock) Hash() (interfaces.IHash, error)

Hash returns the simple Sha256 hash of the serialized Entry Block. Hash is used to provide the PrevFullHash to the next Entry Block in a Chain.

func (*EBlock) HeaderHash 

func (e *EBlock) HeaderHash() (interfaces.IHash, error)

func (*EBlock) Init 

func (c *EBlock) Init()

func (*EBlock) IsSameAs 

func (a *EBlock) IsSameAs(b interfaces.IEntryBlock) bool

func (*EBlock) JSONByte 

func (e *EBlock) JSONByte() ([]byte, error)

func (*EBlock) JSONString 

func (e *EBlock) JSONString() (string, error)

func (*EBlock) KeyMR 

func (e *EBlock) KeyMR() (interfaces.IHash, error)

KeyMR returns the hash of the hash of the Entry Block Header concatenated with the Merkle Root of the Entry Block Body. The Body Merkle Root is calculated by the func (e *EBlockBody) MR() which is called by the func (e *EBlock) BuildHeader().

func (*EBlock) MarshalBinary 

func (e *EBlock) MarshalBinary() (rval []byte, err error)

MarshalBinary returns the serialized binary form of the Entry Block.

func (*EBlock) New 

func (c *EBlock) New() interfaces.BinaryMarshallableAndCopyable

func (*EBlock) String 

func (e *EBlock) String() string

func (*EBlock) UnmarshalBinary 

func (e *EBlock) UnmarshalBinary(data []byte) (err error)

func (*EBlock) UnmarshalBinaryData 

func (e *EBlock) UnmarshalBinaryData(data []byte) (newData []byte, err error)

UnmarshalBinary populates the Entry Block object from the serialized binary data.

type EBlockBody 

type EBlockBody struct {
	EBEntries []interfaces.IHash `json:"ebentries"`
}

EBlockBody is the series of Hashes that form the Entry Block Body.

func NewEBlockBody 

func NewEBlockBody() *EBlockBody

NewEBlockBody initializes an empty Entry Block Body.

func (*EBlockBody) AddEBEntry 

func (e *EBlockBody) AddEBEntry(entry interfaces.IHash)

AddEBEntry creates a new Entry Block Entry from the provided Factom Entry and adds it to the Entry Block Body.

func (*EBlockBody) AddEndOfMinuteMarker 

func (e *EBlockBody) AddEndOfMinuteMarker(m byte)

AddEndOfMinuteMarker adds the End of Minute to the Entry Block. The End of Minut byte becomes the last byte in a 32 byte slice that is added to the Entry Block Body as an Entry Block Entry.

func (*EBlockBody) GetEBEntries 

func (e *EBlockBody) GetEBEntries() []interfaces.IHash

func (*EBlockBody) IsSameAs 

func (a *EBlockBody) IsSameAs(b interfaces.IEBlockBody) bool

func (*EBlockBody) JSONByte 

func (e *EBlockBody) JSONByte() ([]byte, error)

func (*EBlockBody) JSONString 

func (e *EBlockBody) JSONString() (string, error)

func (*EBlockBody) MR 

func (e *EBlockBody) MR() (rval interfaces.IHash)

MR calculates the Merkle Root of the Entry Block Body. See func primitives.BuildMerkleTreeStore(hashes []interfaces.IHash) (merkles []interfaces.IHash) in common/merkle.go.

func (*EBlockBody) String 

func (e *EBlockBody) String() string

type EBlockHeader 

type EBlockHeader struct {
	ChainID      interfaces.IHash `json:"chainid"`
	BodyMR       interfaces.IHash `json:"bodymr"`
	PrevKeyMR    interfaces.IHash `json:"prevkeymr"`
	PrevFullHash interfaces.IHash `json:"prevfullhash"`
	EBSequence   uint32           `json:"ebsequence"`
	DBHeight     uint32           `json:"dbheight"`
	EntryCount   uint32           `json:"entrycount"`
}

EBlockHeader holds relevant metadata about the Entry Block and the data nessisary to verify the previous block in the Entry Block Chain.

func NewEBlockHeader 

func NewEBlockHeader() *EBlockHeader

NewEBlockHeader initializes a new empty Entry Block Header.

func (*EBlockHeader) GetBodyMR 

func (c *EBlockHeader) GetBodyMR() (rval interfaces.IHash)

func (*EBlockHeader) GetChainID 

func (c *EBlockHeader) GetChainID() (rval interfaces.IHash)

func (*EBlockHeader) GetDBHeight 

func (c *EBlockHeader) GetDBHeight() uint32

func (*EBlockHeader) GetEBSequence 

func (c *EBlockHeader) GetEBSequence() uint32

func (*EBlockHeader) GetEntryCount 

func (c *EBlockHeader) GetEntryCount() uint32

func (*EBlockHeader) GetPrevFullHash 

func (c *EBlockHeader) GetPrevFullHash() (rval interfaces.IHash)

func (*EBlockHeader) GetPrevKeyMR 

func (c *EBlockHeader) GetPrevKeyMR() (rval interfaces.IHash)

func (*EBlockHeader) Init 

func (e *EBlockHeader) Init()

func (*EBlockHeader) IsSameAs 

func (a *EBlockHeader) IsSameAs(b interfaces.IEntryBlockHeader) bool

func (*EBlockHeader) JSONByte 

func (e *EBlockHeader) JSONByte() ([]byte, error)

func (*EBlockHeader) JSONString 

func (e *EBlockHeader) JSONString() (string, error)

func (*EBlockHeader) MarshalBinary 

func (e *EBlockHeader) MarshalBinary() (rval []byte, err error)

marshalHeaderBinary returns a serialized binary Entry Block Header

func (*EBlockHeader) SetBodyMR 

func (c *EBlockHeader) SetBodyMR(bodyMR interfaces.IHash)

func (*EBlockHeader) SetChainID 

func (c *EBlockHeader) SetChainID(chainID interfaces.IHash)

func (*EBlockHeader) SetDBHeight 

func (c *EBlockHeader) SetDBHeight(dbHeight uint32)

func (*EBlockHeader) SetEBSequence 

func (c *EBlockHeader) SetEBSequence(sequence uint32)

func (*EBlockHeader) SetEntryCount 

func (c *EBlockHeader) SetEntryCount(entryCount uint32)

func (*EBlockHeader) SetPrevFullHash 

func (c *EBlockHeader) SetPrevFullHash(prevFullHash interfaces.IHash)

func (*EBlockHeader) SetPrevKeyMR 

func (c *EBlockHeader) SetPrevKeyMR(prevKeyMR interfaces.IHash)

func (*EBlockHeader) String 

func (e *EBlockHeader) String() string

func (*EBlockHeader) UnmarshalBinary 

func (e *EBlockHeader) UnmarshalBinary(data []byte) (err error)

func (*EBlockHeader) UnmarshalBinaryData 

func (e *EBlockHeader) UnmarshalBinaryData(data []byte) ([]byte, error)

unmarshalHeaderBinary builds the Entry Block Header from the serialized binary.

type Entry 

type Entry struct {
	Version uint8                  `json:"version"`
	ChainID interfaces.IHash       `json:"chainid"`
	ExtIDs  []primitives.ByteSlice `json:"extids"`
	Content primitives.ByteSlice   `json:"content"`
	// contains filtered or unexported fields
}

An Entry is the element which carries user data https://github.com/FactomProject/FactomDocs/blob/master/factomDataStructureDetails.md#entry

func NewEntry 

func NewEntry() *Entry

func (*Entry) DatabasePrimaryIndex 

func (c *Entry) DatabasePrimaryIndex() (rval interfaces.IHash)

func (*Entry) DatabaseSecondaryIndex 

func (c *Entry) DatabaseSecondaryIndex() (rval interfaces.IHash)

func (*Entry) ExternalIDs 

func (e *Entry) ExternalIDs() [][]byte

func (*Entry) GetChainID 

func (c *Entry) GetChainID() (rval interfaces.IHash)

func (*Entry) GetChainIDHash 

func (e *Entry) GetChainIDHash() (rval interfaces.IHash)

func (*Entry) GetContent 

func (e *Entry) GetContent() []byte

func (*Entry) GetDatabaseHeight 

func (c *Entry) GetDatabaseHeight() uint32

func (*Entry) GetHash 

func (e *Entry) GetHash() (rval interfaces.IHash)

func (*Entry) GetWeld 

func (e *Entry) GetWeld() []byte

func (*Entry) GetWeldHash 

func (e *Entry) GetWeldHash() (rval interfaces.IHash)

func (*Entry) IsSameAs 

func (c *Entry) IsSameAs(b interfaces.IEBEntry) bool

func (*Entry) IsValid 

func (e *Entry) IsValid() bool

func (*Entry) JSONByte 

func (e *Entry) JSONByte() ([]byte, error)

func (*Entry) JSONString 

func (e *Entry) JSONString() (string, error)

func (*Entry) KSize 

func (c *Entry) KSize() int

Returns the size of the entry subject to payment in K. So anything up to 1K returns 1, everything up to and including 2K returns 2, etc. An error returns 100 (an invalid size)

func (*Entry) MarshalBinary 

func (e *Entry) MarshalBinary() (rval []byte, err error)

func (*Entry) MarshalExtIDsBinary 

func (e *Entry) MarshalExtIDsBinary() (rval []byte, err error)

MarshalExtIDsBinary marshals the ExtIDs into a []byte containing a series of 2 byte size of each ExtID followed by the ExtID.

func (*Entry) New 

func (c *Entry) New() interfaces.BinaryMarshallableAndCopyable

func (*Entry) String 

func (e *Entry) String() string

func (*Entry) UnmarshalBinary 

func (e *Entry) UnmarshalBinary(data []byte) (err error)

func (*Entry) UnmarshalBinaryData 

func (e *Entry) UnmarshalBinaryData(data []byte) (_ []byte, err error)

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