entry

package
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 Go to latest Published: Aug 10, 2022 License: Apache-2.0, MIT Imports: 18 Imported by: 0

Documentation

Overview

Package entry defines the Entry structure for IPFS Log and its associated methods.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func CreateEntry 

func CreateEntry(ctx context.Context, ipfsInstance core_iface.CoreAPI, identity *identityprovider.Identity, data *Entry, opts *iface.CreateEntryOptions) (iface.IPFSLogEntry, error)

func CreateEntryWithIO 

func CreateEntryWithIO(ctx context.Context, ipfsInstance core_iface.CoreAPI, identity *identityprovider.Identity, data iface.IPFSLogEntry, opts *iface.CreateEntryOptions, io iface.IO) (iface.IPFSLogEntry, error)

CreateEntryWithIO creates an Entry.

func Difference 

func Difference(a []iface.IPFSLogEntry, b []iface.IPFSLogEntry) []iface.IPFSLogEntry

Difference gets the list of values not present in both entries sets.

func FetchAll 

func FetchAll(ctx context.Context, ipfs core_iface.CoreAPI, hashes []cid.Cid, options *FetchOptions) []iface.IPFSLogEntry

FetchAll gets entries from their CIDs.

func FetchParallel 

func FetchParallel(ctx context.Context, ipfs core_iface.CoreAPI, hashes []cid.Cid, options *FetchOptions) []iface.IPFSLogEntry

FetchParallel has the same comportement than FetchAll, we keep it for retrop compatibility purpose

func FindChildren 

func FindChildren(entry iface.IPFSLogEntry, values []iface.IPFSLogEntry) []iface.IPFSLogEntry

FindChildren finds an entry's children from an Array of entries.

Returns entry's children as an Array up to the last know child.

func FindHeads 

func FindHeads(entries iface.IPFSLogOrderedEntries) []iface.IPFSLogEntry

FindHeads search entries heads in an OrderedMap.

func FromMultihash 

func FromMultihash(ctx context.Context, ipfs core_iface.CoreAPI, hash cid.Cid, provider identityprovider.Interface) (iface.IPFSLogEntry, error)

FromMultihash creates an Entry from a hash.

func FromMultihashWithIO 

func FromMultihashWithIO(ctx context.Context, ipfs core_iface.CoreAPI, hash cid.Cid, provider identityprovider.Interface, io iface.IO) (iface.IPFSLogEntry, error)

FromMultihashWithIO creates an Entry from a hash.

func NewOrderedMap 

func NewOrderedMap() iface.IPFSLogOrderedEntries

NewOrderedMap creates a new OrderedMap of entries.

func NewOrderedMapFromEntries 

func NewOrderedMapFromEntries(entries []iface.IPFSLogEntry) iface.IPFSLogOrderedEntries

NewOrderedMapFromEntries creates a new OrderedMap of entries from a slice.

func ToHashable 

func ToHashable(e iface.IPFSLogEntry) (*iface.Hashable, error)

ToHashable Converts an entry to hashable.

func ToMultihashWithIO 

func ToMultihashWithIO(ctx context.Context, e iface.IPFSLogEntry, ipfsInstance core_iface.CoreAPI, opts *iface.CreateEntryOptions, io iface.IO) (cid.Cid, error)

ToMultihashWithIO gets the multihash of an Entry.

Types

type Entry 

type Entry struct {
	Payload        []byte                     `json:"payload,omitempty"`
	LogID          string                     `json:"id,omitempty"`
	Next           []cid.Cid                  `json:"next,omitempty"`
	Refs           []cid.Cid                  `json:"refs,omitempty"`
	V              uint64                     `json:"v,omitempty"`
	Key            []byte                     `json:"key,omitempty"`
	Sig            []byte                     `json:"sig,omitempty"`
	Identity       *identityprovider.Identity `json:"identity,omitempty"`
	Hash           cid.Cid                    `json:"hash,omitempty"`
	Clock          *LamportClock              `json:"clock,omitempty"`
	AdditionalData map[string]string          `json:"-"`
}

func Normalize 

func Normalize(e iface.IPFSLogEntry, opts *normalizeEntryOpts) *Entry

func (*Entry) Copy 

func (e *Entry) Copy() iface.IPFSLogEntry

Copy creates a copy of an entry.

func (*Entry) Defined 

func (e *Entry) Defined() bool

func (*Entry) Equals 

func (e *Entry) Equals(b iface.IPFSLogEntry) bool

Equals checks that two entries are identical.

func (*Entry) GetAdditionalData 

func (e *Entry) GetAdditionalData() map[string]string

func (*Entry) GetClock 

func (e *Entry) GetClock() iface.IPFSLogLamportClock

func (*Entry) GetHash 

func (e *Entry) GetHash() cid.Cid

func (*Entry) GetIdentity 

func (e *Entry) GetIdentity() *identityprovider.Identity

func (*Entry) GetKey 

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

func (*Entry) GetLogID 

func (e *Entry) GetLogID() string

func (*Entry) GetNext 

func (e *Entry) GetNext() []cid.Cid

func (*Entry) GetPayload 

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

func (*Entry) GetRefs 

func (e *Entry) GetRefs() []cid.Cid

func (*Entry) GetSig 

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

func (*Entry) GetV 

func (e *Entry) GetV() uint64

func (*Entry) IsParent 

func (e *Entry) IsParent(b iface.IPFSLogEntry) bool

func (*Entry) IsValid 

func (e *Entry) IsValid() bool

isValid checks that an entry is valid.

func (*Entry) New 

func (e *Entry) New() iface.IPFSLogEntry

func (*Entry) SetAdditionalDataValue 

func (e *Entry) SetAdditionalDataValue(key string, value string)

func (*Entry) SetClock 

func (e *Entry) SetClock(clock iface.IPFSLogLamportClock)

func (*Entry) SetHash 

func (e *Entry) SetHash(hash cid.Cid)

func (*Entry) SetIdentity 

func (e *Entry) SetIdentity(identity *identityprovider.Identity)

func (*Entry) SetKey 

func (e *Entry) SetKey(key []byte)

func (*Entry) SetLogID 

func (e *Entry) SetLogID(logID string)

func (*Entry) SetNext 

func (e *Entry) SetNext(next []cid.Cid)

func (*Entry) SetPayload 

func (e *Entry) SetPayload(payload []byte)

func (*Entry) SetRefs 

func (e *Entry) SetRefs(refs []cid.Cid)

func (*Entry) SetSig 

func (e *Entry) SetSig(sig []byte)

func (*Entry) SetV 

func (e *Entry) SetV(v uint64)

func (*Entry) ToMultihash 

func (e *Entry) ToMultihash(ctx context.Context, ipfsInstance core_iface.CoreAPI, opts *iface.CreateEntryOptions) (cid.Cid, error)

ToMultihash gets the multihash of an Entry.

func (*Entry) Verify 

func (e *Entry) Verify(identity identityprovider.Interface, io iface.IO) error

Verify checks the entry's signature.

type FetchOptions 

type FetchOptions = iface.FetchOptions

type Fetcher 

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

func NewFetcher 

func NewFetcher(ipfs core_iface.CoreAPI, options *FetchOptions) *Fetcher

func (*Fetcher) Fetch 

func (f *Fetcher) Fetch(ctx context.Context, hashes []cid.Cid) []iface.IPFSLogEntry

type LamportClock 

type LamportClock struct {
	ID   []byte `json:"id,omitempty"`
	Time int    `json:"time,omitempty"`
}

func CopyLamportClock 

func CopyLamportClock(clock iface.IPFSLogLamportClock) *LamportClock

CopyLamportClock returns a copy of a lamport clock

func NewLamportClock 

func NewLamportClock(identity []byte, time int) *LamportClock

NewLamportClock creates a new LamportClock instance.

func (*LamportClock) Compare 

func (l *LamportClock) Compare(b iface.IPFSLogLamportClock) int

Compare calculate the "distance" based on the clock, ie. lower or greater.

func (*LamportClock) Defined 

func (l *LamportClock) Defined() bool

func (*LamportClock) GetID 

func (l *LamportClock) GetID() []byte

func (*LamportClock) GetTime 

func (l *LamportClock) GetTime() int

func (*LamportClock) Merge 

func (l *LamportClock) Merge(clock iface.IPFSLogLamportClock) iface.IPFSLogLamportClock

Merge fusion two LamportClocks.

func (*LamportClock) New 

func (l *LamportClock) New() iface.IPFSLogLamportClock

func (*LamportClock) SetID 

func (l *LamportClock) SetID(i []byte)

func (*LamportClock) SetTime 

func (l *LamportClock) SetTime(i int)

func (*LamportClock) Tick 

func (l *LamportClock) Tick() iface.IPFSLogLamportClock

Tick increments the time value, returns a new instance of LamportClock.

type OrderedMap 

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

OrderedMap is an ordered map of entries.

func (*OrderedMap) At 

func (o *OrderedMap) At(index uint) iface.IPFSLogEntry

At gets an item at the given index in the map, returns nil if not found.

func (*OrderedMap) Copy 

func (o *OrderedMap) Copy() iface.IPFSLogOrderedEntries

func (*OrderedMap) Get 

func (o *OrderedMap) Get(key string) (iface.IPFSLogEntry, bool)

Get retrieves an Entry using its key.

func (*OrderedMap) Keys 

func (o *OrderedMap) Keys() []string

Keys retrieves the ordered list of keys in the map.

func (*OrderedMap) Len 

func (o *OrderedMap) Len() int

Len gets the length of the map.

func (*OrderedMap) Merge 

func (o *OrderedMap) Merge(other iface.IPFSLogOrderedEntries) iface.IPFSLogOrderedEntries

Merge will fusion two OrderedMap of entries.

func (*OrderedMap) Reverse 

func (o *OrderedMap) Reverse() iface.IPFSLogOrderedEntries

func (*OrderedMap) Set 

func (o *OrderedMap) Set(key string, value iface.IPFSLogEntry)

Set defines an Entry in the map for a given key.

func (*OrderedMap) Slice 

func (o *OrderedMap) Slice() []iface.IPFSLogEntry

Slice returns an ordered slice of the values existing in the map.

func (*OrderedMap) UnsafeGet 

func (o *OrderedMap) UnsafeGet(key string) iface.IPFSLogEntry

UnsafeGet retrieves an Entry using its key, returns nil if not found.

Source Files

View all Source files

Directories

Path Synopsis
Package sorting includes utilities for ordering slices of Entries.
 Package sorting includes utilities for ordering slices of Entries.

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