snapshot

package
v1.1.0-alpha.3 Latest Latest
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 Go to latest Published: Mar 2, 2023 License: MIT Imports: 22 Imported by: 0

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Index

Constants

View Source 
const Version1 = 1

Variables

View Source 
var ErrSkip = stderrs.New("skip")

ErrSkip is returned by SectionVisitor.VisitSection to skip a section.

Functions

func CollectAnchors 

func CollectAnchors(w *Writer, batch *database.Batch, network config.NetworkUrl) error

CollectAnchors collects anchors from the anchor ledger's anchor sequence chain.

func FullCollect 

func FullCollect(batch *database.Batch, file io.WriteSeeker, network config.NetworkUrl, logger log.Logger, preserve bool) error

FullCollect collects a snapshot including additional records required for a fully-functioning node.

func FullRestore 

func FullRestore(db database.Beginner, file ioutil2.SectionReader, logger log.Logger, network *config.Describe) error

FullRestore restores the snapshot and rebuilds indices.

func Open 

func Open(file ioutil2.SectionReader) (*Header, *Reader, error)

Open reads a snapshot file, returning the header values and a reader.

func Restore 

func Restore(db database.Beginner, file ioutil2.SectionReader, logger log.Logger) error

func Visit 

func Visit(file ioutil2.SectionReader, visitor interface{}) error

Types

type Account 

type Account struct {
	Hash [32]byte
	// Main is the main state of the account.
	Main protocol.Account `json:"main,omitempty" form:"main" query:"main" validate:"required"`
	// OldChains is deprecated. Use Chains instead.
	OldChains []*OldChain `json:"oldChains,omitempty" form:"oldChains" query:"oldChains" validate:"required"`
	// Pending is the state of the account's pending transactions.
	Pending []*url.TxID `json:"pending,omitempty" form:"pending" query:"pending" validate:"required"`
	// Directory lists the account's sub-accounts.
	Directory []*url.URL `json:"directory,omitempty" form:"directory" query:"directory" validate:"required"`
	// Url is the URL of the account.
	Url *url.URL `json:"url,omitempty" form:"url" query:"url" validate:"required"`
	// Chains is the state of the account's chains.
	Chains []*Chain `json:"chains,omitempty" form:"chains" query:"chains" validate:"required"`
	// contains filtered or unexported fields
}

func CollectAccount 

func CollectAccount(record *database.Account, fullChainHistory bool) (*Account, error)

func (*Account) ConvertOldChains 

func (a *Account) ConvertOldChains(markPower int64)

ConvertOldChains converts OldChains to Chains.

func (*Account) Copy 

func (v *Account) Copy() *Account

func (*Account) CopyAsInterface 

func (v *Account) CopyAsInterface() interface{}

func (*Account) Equal 

func (v *Account) Equal(u *Account) bool

func (*Account) IsValid 

func (v *Account) IsValid() error

func (*Account) MarshalBinary 

func (v *Account) MarshalBinary() ([]byte, error)

func (*Account) MarshalJSON 

func (v *Account) MarshalJSON() ([]byte, error)

func (*Account) Restore 

func (a *Account) Restore(batch *database.Batch) error

func (*Account) RestoreChainHead 

func (a *Account) RestoreChainHead(batch *database.Batch, c *Chain) (*database.Chain2, error)

func (*Account) UnmarshalBinary 

func (v *Account) UnmarshalBinary(data []byte) error

func (*Account) UnmarshalBinaryFrom 

func (v *Account) UnmarshalBinaryFrom(rd io.Reader) error

func (*Account) UnmarshalJSON 

func (v *Account) UnmarshalJSON(data []byte) error

type AccountVisitor 

type AccountVisitor interface{ VisitAccount(*Account, int) error }

type Chain added in v1.1.0 

type Chain struct {
	Name       string                  `json:"name,omitempty" form:"name" query:"name" validate:"required"`
	Type       merkle.ChainType        `json:"type,omitempty" form:"type" query:"type" validate:"required"`
	MarkPower  uint64                  `json:"markPower,omitempty" form:"markPower" query:"markPower" validate:"required"`
	Head       *database.MerkleState   `json:"head,omitempty" form:"head" query:"head" validate:"required"`
	MarkPoints []*database.MerkleState `json:"markPoints,omitempty" form:"markPoints" query:"markPoints" validate:"required"`
	// contains filtered or unexported fields
}

func CollectChain added in v1.1.0 

func CollectChain(c *database.MerkleManager) (*Chain, error)

func (*Chain) AddEntry added in v1.1.0 

func (c *Chain) AddEntry(hash []byte)

AddEntry adds an entry to the snapshot as if it were added to the chain. AddEntry's logic must mirror MerkleManager.AddHash.

func (*Chain) Copy added in v1.1.0 

func (v *Chain) Copy() *Chain

func (*Chain) CopyAsInterface added in v1.1.0 

func (v *Chain) CopyAsInterface() interface{}

func (*Chain) Equal added in v1.1.0 

func (v *Chain) Equal(u *Chain) bool

func (*Chain) IsValid added in v1.1.0 

func (v *Chain) IsValid() error

func (*Chain) MarshalBinary added in v1.1.0 

func (v *Chain) MarshalBinary() ([]byte, error)

func (*Chain) MarshalJSON added in v1.1.0 

func (v *Chain) MarshalJSON() ([]byte, error)

func (*Chain) RestoreElementIndexFromHead added in v1.1.0 

func (s *Chain) RestoreElementIndexFromHead(c *database.MerkleManager) error

func (*Chain) RestoreElementIndexFromMarkPoints added in v1.1.0 

func (s *Chain) RestoreElementIndexFromMarkPoints(c *database.MerkleManager, start, end int) error

func (*Chain) RestoreHead added in v1.1.0 

func (s *Chain) RestoreHead(c *database.MerkleManager) error

func (*Chain) RestoreMarkPointRange added in v1.1.0 

func (s *Chain) RestoreMarkPointRange(c *database.MerkleManager, start, end int) error

func (*Chain) RestoreSnapshot added in v1.1.0 

func (c *Chain) RestoreSnapshot(s *database.MerkleManager) error

func (*Chain) UnmarshalBinary added in v1.1.0 

func (v *Chain) UnmarshalBinary(data []byte) error

func (*Chain) UnmarshalBinaryFrom added in v1.1.0 

func (v *Chain) UnmarshalBinaryFrom(rd io.Reader) error

func (*Chain) UnmarshalJSON added in v1.1.0 

func (v *Chain) UnmarshalJSON(data []byte) error

type CollectOptions added in v1.1.0 

type CollectOptions struct {
	Logger           log.Logger
	VisitAccount     func(acct *Account) error
	VisitTransaction func(txn *Transaction) error
	VisitSignature   func(sig *Signature) error

	// PreserveAccountHistory is called for each account to test if the
	// account's transaction history should be preserved. If
	// PreserveAccountHistory is unspecified, all account history is preserved.
	PreserveAccountHistory func(account *database.Account) (bool, error)
}

type HashSet 

type HashSet struct {
	Hashes [][32]byte
	// contains filtered or unexported fields
}

func (*HashSet) Add 

func (s *HashSet) Add(h [32]byte)

func (*HashSet) CollectFromChain 

func (s *HashSet) CollectFromChain(a *database.Account, c *database.Chain2) error
type Header struct {

	// Version is the snapshot format version.
	Version uint64 `json:"version,omitempty" form:"version" query:"version" validate:"required"`
	// Height is the snapshot's block height.
	Height uint64 `json:"height,omitempty" form:"height" query:"height" validate:"required"`
	// RootHash is the snapshot's root hash.
	RootHash [32]byte `json:"rootHash,omitempty" form:"rootHash" query:"rootHash" validate:"required"`
	// Timestamp is the snapshot's block time.
	Timestamp time.Time `json:"timestamp,omitempty" form:"timestamp" query:"timestamp" validate:"required"`
	// ExecutorVersion is the snapshot's executor version.
	ExecutorVersion protocol.ExecutorVersion `json:"executorVersion,omitempty" form:"executorVersion" query:"executorVersion" validate:"required"`
	// contains filtered or unexported fields
}

func (*Header) Copy 

func (v *Header) Copy() *Header

func (*Header) CopyAsInterface 

func (v *Header) CopyAsInterface() interface{}

func (*Header) Equal 

func (v *Header) Equal(u *Header) bool

func (*Header) IsValid 

func (v *Header) IsValid() error

func (*Header) MarshalBinary 

func (v *Header) MarshalBinary() ([]byte, error)

func (*Header) MarshalJSON 

func (v *Header) MarshalJSON() ([]byte, error)

func (*Header) ReadFrom 

func (h *Header) ReadFrom(rd io.Reader) (int64, error)

func (*Header) UnmarshalBinary 

func (v *Header) UnmarshalBinary(data []byte) error

func (*Header) UnmarshalBinaryFrom 

func (v *Header) UnmarshalBinaryFrom(rd io.Reader) error

func (*Header) UnmarshalJSON 

func (v *Header) UnmarshalJSON(data []byte) error

func (*Header) WriteTo 

func (h *Header) WriteTo(wr io.Writer) (int64, error)

type HeaderVisitor added in v1.1.0 

type HeaderVisitor interface{ VisitHeader(*Header) error }

type OldChain 

type OldChain struct {
	Name    string             `json:"name,omitempty" form:"name" query:"name" validate:"required"`
	Type    protocol.ChainType `json:"type,omitempty" form:"type" query:"type" validate:"required"`
	Count   uint64             `json:"count,omitempty" form:"count" query:"count" validate:"required"`
	Pending [][]byte           `json:"pending,omitempty" form:"pending" query:"pending" validate:"required"`
	Entries [][]byte           `json:"entries,omitempty" form:"entries" query:"entries" validate:"required"`
	// contains filtered or unexported fields
}

func (*OldChain) Copy 

func (v *OldChain) Copy() *OldChain

func (*OldChain) CopyAsInterface 

func (v *OldChain) CopyAsInterface() interface{}

func (*OldChain) Equal 

func (v *OldChain) Equal(u *OldChain) bool

func (*OldChain) IsValid 

func (v *OldChain) IsValid() error

func (*OldChain) MarshalBinary 

func (v *OldChain) MarshalBinary() ([]byte, error)

func (*OldChain) MarshalJSON 

func (v *OldChain) MarshalJSON() ([]byte, error)

func (*OldChain) UnmarshalBinary 

func (v *OldChain) UnmarshalBinary(data []byte) error

func (*OldChain) UnmarshalBinaryFrom 

func (v *OldChain) UnmarshalBinaryFrom(rd io.Reader) error

func (*OldChain) UnmarshalJSON 

func (v *OldChain) UnmarshalJSON(data []byte) error

type Reader 

type Reader struct {
	// contains filtered or unexported fields
}

func NewReader 

func NewReader(file ioutil2.SectionReader) *Reader

func (*Reader) Next 

func (r *Reader) Next() (*ReaderSection, error)

Next finds the section.

type ReaderSection 

type ReaderSection struct {
	// contains filtered or unexported fields
}

func (*ReaderSection) Offset 

func (s *ReaderSection) Offset() int64

func (*ReaderSection) Open 

func (s *ReaderSection) Open() (ioutil2.SectionReader, error)

func (*ReaderSection) Size 

func (s *ReaderSection) Size() int64

func (*ReaderSection) Type 

func (s *ReaderSection) Type() SectionType

type RestoreVisitor 

type RestoreVisitor struct {
	DisableWriteBatching bool
	CompressChains       bool
	// contains filtered or unexported fields
}

RestoreVisitor is a visitor that restores accounts, transactions, and signatures.

func NewRestoreVisitor 

func NewRestoreVisitor(db database.Beginner, logger log.Logger) *RestoreVisitor

func (*RestoreVisitor) VisitAccount 

func (v *RestoreVisitor) VisitAccount(acct *Account, i int) error

func (*RestoreVisitor) VisitHeader added in v1.1.0 

func (v *RestoreVisitor) VisitHeader(h *Header) error

func (*RestoreVisitor) VisitSignature 

func (v *RestoreVisitor) VisitSignature(sig *Signature, i int) error

func (*RestoreVisitor) VisitTransaction 

func (v *RestoreVisitor) VisitTransaction(txn *Transaction, i int) error

type SectionType 

type SectionType uint64
const SectionTypeAccounts SectionType = 2

SectionTypeAccounts . 

const SectionTypeGzTransactions SectionType = 5

SectionTypeGzTransactions . 

const SectionTypeHeader SectionType = 1

SectionTypeHeader . 

const SectionTypeSignatures SectionType = 4

SectionTypeSignatures . 

const SectionTypeTransactions SectionType = 3

SectionTypeTransactions .

func SectionTypeByName 

func SectionTypeByName(name string) (SectionType, bool)

SectionTypeByName returns the named Section Type.

func (SectionType) GetEnumValue 

func (v SectionType) GetEnumValue() uint64

GetEnumValue returns the value of the Section Type

func (SectionType) MarshalJSON 

func (v SectionType) MarshalJSON() ([]byte, error)

MarshalJSON marshals the Section Type to JSON as a string.

func (*SectionType) SetEnumValue 

func (v *SectionType) SetEnumValue(id uint64) bool

SetEnumValue sets the value. SetEnumValue returns false if the value is invalid.

func (SectionType) String 

func (v SectionType) String() string

String returns the name of the Section Type.

func (*SectionType) UnmarshalJSON 

func (v *SectionType) UnmarshalJSON(data []byte) error

UnmarshalJSON unmarshals the Section Type from JSON as a string.

type SectionVisitor 

type SectionVisitor interface{ VisitSection(*ReaderSection) error }

type SectionWriter 

type SectionWriter struct {
	// contains filtered or unexported fields
}

func (*SectionWriter) Close 

func (w *SectionWriter) Close() error

func (*SectionWriter) Seek 

func (w *SectionWriter) Seek(offset int64, whence int) (int64, error)

func (*SectionWriter) Write 

func (w *SectionWriter) Write(p []byte) (n int, err error)

type Signature 

type Signature struct {
	Txid      *url.TxID          `json:"txid,omitempty" form:"txid" query:"txid" validate:"required"`
	Signature protocol.Signature `json:"signature,omitempty" form:"signature" query:"signature" validate:"required"`
	// contains filtered or unexported fields
}

func CollectSignature 

func CollectSignature(batch *database.Batch, hash [32]byte) (*Signature, error)

func (*Signature) Copy 

func (v *Signature) Copy() *Signature

func (*Signature) CopyAsInterface 

func (v *Signature) CopyAsInterface() interface{}

func (*Signature) Equal 

func (v *Signature) Equal(u *Signature) bool

func (*Signature) IsValid 

func (v *Signature) IsValid() error

func (*Signature) MarshalBinary 

func (v *Signature) MarshalBinary() ([]byte, error)

func (*Signature) MarshalJSON 

func (v *Signature) MarshalJSON() ([]byte, error)

func (*Signature) Restore 

func (s *Signature) Restore(header *Header, batch *database.Batch) error

func (*Signature) UnmarshalBinary 

func (v *Signature) UnmarshalBinary(data []byte) error

func (*Signature) UnmarshalBinaryFrom 

func (v *Signature) UnmarshalBinaryFrom(rd io.Reader) error

func (*Signature) UnmarshalJSON 

func (v *Signature) UnmarshalJSON(data []byte) error

type SignatureVisitor 

type SignatureVisitor interface{ VisitSignature(*Signature, int) error }

type Transaction 

type Transaction struct {
	Transaction   *protocol.Transaction       `json:"transaction,omitempty" form:"transaction" query:"transaction" validate:"required"`
	Status        *protocol.TransactionStatus `json:"status,omitempty" form:"status" query:"status" validate:"required"`
	SignatureSets []*TxnSigSet                `json:"signatureSets,omitempty" form:"signatureSets" query:"signatureSets" validate:"required"`
	// contains filtered or unexported fields
}

func CollectTransaction 

func CollectTransaction(batch *database.Batch, hash [32]byte) (*Transaction, error)

func (*Transaction) Copy 

func (v *Transaction) Copy() *Transaction

func (*Transaction) CopyAsInterface 

func (v *Transaction) CopyAsInterface() interface{}

func (*Transaction) Equal 

func (v *Transaction) Equal(u *Transaction) bool

func (*Transaction) IsValid 

func (v *Transaction) IsValid() error

func (*Transaction) MarshalBinary 

func (v *Transaction) MarshalBinary() ([]byte, error)

func (*Transaction) MarshalJSON 

func (v *Transaction) MarshalJSON() ([]byte, error)

func (*Transaction) Restore 

func (t *Transaction) Restore(header *Header, batch *database.Batch) error

func (*Transaction) UnmarshalBinary 

func (v *Transaction) UnmarshalBinary(data []byte) error

func (*Transaction) UnmarshalBinaryFrom 

func (v *Transaction) UnmarshalBinaryFrom(rd io.Reader) error

func (*Transaction) UnmarshalJSON 

func (v *Transaction) UnmarshalJSON(data []byte) error

type TransactionVisitor 

type TransactionVisitor interface{ VisitTransaction(*Transaction, int) error }

type TxnSigSet 

type TxnSigSet struct {
	Signer  *url.URL               `json:"signer,omitempty" form:"signer" query:"signer" validate:"required"`
	Version uint64                 `json:"version,omitempty" form:"version" query:"version" validate:"required"`
	Entries []database.SigSetEntry `json:"entries,omitempty" form:"entries" query:"entries" validate:"required"`
	// contains filtered or unexported fields
}

func (*TxnSigSet) Copy 

func (v *TxnSigSet) Copy() *TxnSigSet

func (*TxnSigSet) CopyAsInterface 

func (v *TxnSigSet) CopyAsInterface() interface{}

func (*TxnSigSet) Equal 

func (v *TxnSigSet) Equal(u *TxnSigSet) bool

func (*TxnSigSet) IsValid 

func (v *TxnSigSet) IsValid() error

func (*TxnSigSet) MarshalBinary 

func (v *TxnSigSet) MarshalBinary() ([]byte, error)

func (*TxnSigSet) MarshalJSON 

func (v *TxnSigSet) MarshalJSON() ([]byte, error)

func (*TxnSigSet) UnmarshalBinary 

func (v *TxnSigSet) UnmarshalBinary(data []byte) error

func (*TxnSigSet) UnmarshalBinaryFrom 

func (v *TxnSigSet) UnmarshalBinaryFrom(rd io.Reader) error

func (*TxnSigSet) UnmarshalJSON 

func (v *TxnSigSet) UnmarshalJSON(data []byte) error

type Writer 

type Writer struct {
	Logger logging.OptionalLogger
	// contains filtered or unexported fields
}

func Collect 

func Collect(batch *database.Batch, header *Header, file io.WriteSeeker, opts CollectOptions) (*Writer, error)

func Create 

func Create(file io.WriteSeeker, header *Header) (*Writer, error)

func NewWriter 

func NewWriter(w io.WriteSeeker) *Writer

func (*Writer) CollectAccounts 

func (w *Writer) CollectAccounts(batch *database.Batch, opts CollectOptions) error

func (*Writer) CollectSignatures 

func (w *Writer) CollectSignatures(batch *database.Batch, hashes [][32]byte, opts CollectOptions) error

func (*Writer) CollectTransactions 

func (w *Writer) CollectTransactions(batch *database.Batch, hashes [][32]byte, opts CollectOptions) error

func (*Writer) Open 

func (w *Writer) Open(typ SectionType) (*SectionWriter, error)

Open opens a section.

func (*Writer) WriteTransactions 

func (w *Writer) WriteTransactions(txns []*Transaction, gz bool) error

Source Files

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