storage

package
v2.0.0-rc.1 Latest Latest
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 Go to latest Published: Sep 26, 2022 License: Apache-2.0 Imports: 20 Imported by: 2

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Index

Constants

View Source 
const (
	BlockMetadataSolid         = 0
	BlockMetadataReferenced    = 1
	BlockMetadataNoTx          = 2
	BlockMetadataConflictingTx = 3
	BlockMetadataMilestone     = 4
)
View Source 
const (
	// ConflictNone the block has no conflict.
	ConflictNone Conflict = iota

	// ConflictInputUTXOAlreadySpent the referenced UTXO was already spent.
	ConflictInputUTXOAlreadySpent = 1

	// ConflictInputUTXOAlreadySpentInThisMilestone the referenced UTXO was already spent while confirming this milestone.
	ConflictInputUTXOAlreadySpentInThisMilestone = 2

	// ConflictInputUTXONotFound the referenced UTXO cannot be found.
	ConflictInputUTXONotFound = 3

	// ConflictInputOutputSumMismatch the sum of the inputs and output values does not match.
	ConflictInputOutputSumMismatch = 4

	// ConflictInvalidSignature the unlock block signature is invalid.
	ConflictInvalidSignature = 5

	// ConflictTimelockNotExpired the configured timelock is not yet expired.
	ConflictTimelockNotExpired = 6

	// ConflictInvalidNativeTokens the given native tokens are invalid.
	ConflictInvalidNativeTokens = 7

	// ConflictReturnAmountNotFulfilled return amount in a transaction is not fulfilled by the output side.
	ConflictReturnAmountNotFulfilled = 8

	// ConflictInvalidInputUnlock input unlock is invalid.
	ConflictInvalidInputUnlock = 9

	// ConflictInvalidInputsCommitment the inputs commitment is invalid.
	ConflictInvalidInputsCommitment = 10

	// ConflictInvalidSender an output contains a Sender with an ident which is not unlocked.
	ConflictInvalidSender = 11

	// ConflictInvalidChainStateTransition the chain state transition is invalid.
	ConflictInvalidChainStateTransition = 12

	// ConflictSemanticValidationFailed the semantic validation failed.
	ConflictSemanticValidationFailed = 255
)
View Source 
const (
	DBVersionTangle byte = 2
	DBVersionUTXO   byte = 2
)
View Source 
const (
	// DBVersionNone is used to load an existing database without a version check (e.g. in the tools).
	DBVersionNone byte = 0
)
View Source 
const (
	MaxProtocolParametersActivationRange uint32 = 30
)

Variables

View Source 
var (
	ErrSolidEntryPointsAlreadyInitialized = errors.New("solidEntryPoints already initialized")
	ErrSolidEntryPointsNotInitialized     = errors.New("solidEntryPoints not initialized")
)
View Source 
var (
	ErrDBVersionCheckNotSupported = errors.New("database version check not supported")
)
View Source 
var (
	ErrMilestoneNotFound = errors.New("milestone not found")
)
View Source 
var (
	ErrProtocolParamsMilestoneOptAlreadyExists = errors.New("protocol parameters milestone option already exists")
)

Functions

func BlockCaller 

func BlockCaller(handler interface{}, params ...interface{})

func BlockFactory 

func BlockFactory(key []byte, data []byte) (objectstorage.StorableObject, error)

func BlockIDCaller 

func BlockIDCaller(handler interface{}, params ...interface{})

func BlockMetadataCaller 

func BlockMetadataCaller(handler interface{}, params ...interface{})

func BlockReferencedCaller 

func BlockReferencedCaller(handler interface{}, params ...interface{})

func MetadataFactory 

func MetadataFactory(key []byte, data []byte) (objectstorage.StorableObject, error)

func MilestoneCaller 

func MilestoneCaller(handler interface{}, params ...interface{})

func MilestoneIndexCaller 

func MilestoneIndexCaller(handler interface{}, params ...interface{})

func MilestoneWithBlockIDAndRequestedCaller 

func MilestoneWithBlockIDAndRequestedCaller(handler interface{}, params ...interface{})

func NewBlockCaller 

func NewBlockCaller(handler interface{}, params ...interface{})

func ObjectStorageIteratorOptions 

func ObjectStorageIteratorOptions(iteratorOptions ...IteratorOption) []objectstorage.IteratorOption

Types

type Block 

type Block struct {
	objectstorage.StorableObjectFlags
	// contains filtered or unexported fields
}

func BlockFromBytes 

func BlockFromBytes(data []byte, deSeriMode serializer.DeSerializationMode, protoParams *iotago.ProtocolParameters) (*Block, error)

func NewBlock 

func NewBlock(iotaBlock *iotago.Block, deSeriMode serializer.DeSerializationMode, protoParams *iotago.ProtocolParameters) (*Block, error)

func (*Block) Block 

func (blk *Block) Block() *iotago.Block

func (*Block) BlockID 

func (blk *Block) BlockID() iotago.BlockID

func (*Block) Data 

func (blk *Block) Data() []byte

func (*Block) IsMilestone 

func (blk *Block) IsMilestone() bool

func (*Block) IsTransaction 

func (blk *Block) IsTransaction() bool

func (*Block) Milestone 

func (blk *Block) Milestone() *iotago.Milestone

func (*Block) ObjectStorageKey 

func (blk *Block) ObjectStorageKey() []byte

func (*Block) ObjectStorageValue 

func (blk *Block) ObjectStorageValue() []byte

func (*Block) Parents 

func (blk *Block) Parents() iotago.BlockIDs

func (*Block) ProtocolVersion 

func (blk *Block) ProtocolVersion() byte

func (*Block) TaggedData 

func (blk *Block) TaggedData() *iotago.TaggedData

func (*Block) Transaction 

func (blk *Block) Transaction() *iotago.Transaction

func (*Block) TransactionEssence 

func (blk *Block) TransactionEssence() *iotago.TransactionEssence

func (*Block) TransactionEssenceTaggedData 

func (blk *Block) TransactionEssenceTaggedData() *iotago.TaggedData

func (*Block) TransactionEssenceUTXOInputs 

func (blk *Block) TransactionEssenceUTXOInputs() iotago.OutputIDs

func (*Block) Update 

func (blk *Block) Update(_ objectstorage.StorableObject)

type BlockIDConsumer 

type BlockIDConsumer func(blockID iotago.BlockID) bool

BlockIDConsumer consumes the given block ID during looping through all blocks. Returning false from this function indicates to abort the iteration.

type BlockMetadata 

type BlockMetadata struct {
	objectstorage.StorableObjectFlags
	syncutils.RWMutex
	// contains filtered or unexported fields
}

func NewBlockMetadata 

func NewBlockMetadata(blockID iotago.BlockID, parents iotago.BlockIDs) *BlockMetadata

func (*BlockMetadata) BlockID 

func (m *BlockMetadata) BlockID() iotago.BlockID

func (*BlockMetadata) ConeRootIndexes 

func (m *BlockMetadata) ConeRootIndexes() (ycri iotago.MilestoneIndex, ocri iotago.MilestoneIndex, ci iotago.MilestoneIndex)

func (*BlockMetadata) Conflict 

func (m *BlockMetadata) Conflict() Conflict

func (*BlockMetadata) IsConflictingTx 

func (m *BlockMetadata) IsConflictingTx() bool

func (*BlockMetadata) IsIncludedTxInLedger 

func (m *BlockMetadata) IsIncludedTxInLedger() bool

func (*BlockMetadata) IsMilestone 

func (m *BlockMetadata) IsMilestone() bool

func (*BlockMetadata) IsNoTransaction 

func (m *BlockMetadata) IsNoTransaction() bool

func (*BlockMetadata) IsReferenced 

func (m *BlockMetadata) IsReferenced() bool

func (*BlockMetadata) IsSolid 

func (m *BlockMetadata) IsSolid() bool

func (*BlockMetadata) Metadata 

func (m *BlockMetadata) Metadata() byte

func (*BlockMetadata) ObjectStorageKey 

func (m *BlockMetadata) ObjectStorageKey() []byte

func (*BlockMetadata) ObjectStorageValue 

func (m *BlockMetadata) ObjectStorageValue() (data []byte)

func (*BlockMetadata) Parents 

func (m *BlockMetadata) Parents() iotago.BlockIDs

func (*BlockMetadata) ReferencedWithIndex 

func (m *BlockMetadata) ReferencedWithIndex() (bool, iotago.MilestoneIndex)

func (*BlockMetadata) ReferencedWithIndexAndWhiteFlagIndex 

func (m *BlockMetadata) ReferencedWithIndexAndWhiteFlagIndex() (bool, iotago.MilestoneIndex, uint32)

func (*BlockMetadata) SetConeRootIndexes 

func (m *BlockMetadata) SetConeRootIndexes(ycri iotago.MilestoneIndex, ocri iotago.MilestoneIndex, ci iotago.MilestoneIndex)

func (*BlockMetadata) SetConflictingTx 

func (m *BlockMetadata) SetConflictingTx(conflict Conflict)

func (*BlockMetadata) SetIsNoTransaction 

func (m *BlockMetadata) SetIsNoTransaction(noTx bool)

func (*BlockMetadata) SetMilestone 

func (m *BlockMetadata) SetMilestone(milestone bool)

func (*BlockMetadata) SetReferenced 

func (m *BlockMetadata) SetReferenced(referenced bool, referencedIndex iotago.MilestoneIndex, whiteFlagIndex uint32)

func (*BlockMetadata) SetSolid 

func (m *BlockMetadata) SetSolid(solid bool)

func (*BlockMetadata) Update 

func (m *BlockMetadata) Update(_ objectstorage.StorableObject)

type BlocksMemcache 

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

func NewBlocksMemcache 

func NewBlocksMemcache(cachedBlockFunc CachedBlockFunc) *BlocksMemcache

NewBlocksMemcache creates a new BlocksMemcache instance.

func (*BlocksMemcache) CachedBlock 

func (c *BlocksMemcache) CachedBlock(blockID iotago.BlockID) (*CachedBlock, error)

CachedBlock returns a cached block object. block +1.

func (*BlocksMemcache) Cleanup 

func (c *BlocksMemcache) Cleanup(forceRelease bool)

Cleanup releases all the cached objects that have been used. This MUST be called by the user at the end.

type CachedBlock 

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

CachedBlock contains two cached objects, one for block and one for metadata.

func NewCachedBlock 

func NewCachedBlock(block objectstorage.CachedObject, metadata objectstorage.CachedObject) *CachedBlock

func (*CachedBlock) Block 

func (c *CachedBlock) Block() *Block

Block retrieves the block, that is cached in this container.

func (*CachedBlock) CachedMetadata 

func (c *CachedBlock) CachedMetadata() *CachedMetadata

CachedMetadata returns the underlying cached metadata. meta +1.

func (*CachedBlock) ConsumeBlock 

func (c *CachedBlock) ConsumeBlock(consumer func(*Block))

ConsumeBlock consumes the underlying block. block -1. meta -1.

func (*CachedBlock) ConsumeBlockAndMetadata 

func (c *CachedBlock) ConsumeBlockAndMetadata(consumer func(*Block, *BlockMetadata))

ConsumeBlockAndMetadata consumes the underlying block and metadata. block -1. meta -1.

func (*CachedBlock) ConsumeMetadata 

func (c *CachedBlock) ConsumeMetadata(consumer func(*BlockMetadata))

ConsumeMetadata consumes the underlying metadata. block -1. meta -1.

func (*CachedBlock) Exists 

func (c *CachedBlock) Exists() bool

Exists returns true if the block in this container does exist (could be found in the database and was not marked as deleted).

func (*CachedBlock) Metadata 

func (c *CachedBlock) Metadata() *BlockMetadata

Metadata retrieves the metadata, that is cached in this container.

func (*CachedBlock) Release 

func (c *CachedBlock) Release(force ...bool)

Release releases the cached block and metadata, to be picked up by the persistence layer (as soon as all consumers are done). block -1.

func (*CachedBlock) Retain 

func (c *CachedBlock) Retain() *CachedBlock

Retain registers a new consumer for the cached block and metadata. block +1.

type CachedBlockFunc 

type CachedBlockFunc func(blockID iotago.BlockID) (*CachedBlock, error)

type CachedBlockMetadataFunc 

type CachedBlockMetadataFunc func(blockID iotago.BlockID) (*CachedMetadata, error)

type CachedBlocks 

type CachedBlocks []*CachedBlock

func (CachedBlocks) Release 

func (cachedBlocks CachedBlocks) Release(force ...bool)

Release releases the cached blocks, to be picked up by the persistence layer (as soon as all consumers are done). block -1.

func (CachedBlocks) Retain 

func (cachedBlocks CachedBlocks) Retain() CachedBlocks

Retain registers a new consumer for the cached blocks. block +1.

type CachedChild 

type CachedChild struct {
	objectstorage.CachedObject
}

CachedChild represents a cached Child.

func (*CachedChild) Child 

func (c *CachedChild) Child() *Child

Child retrieves the child, that is cached in this container.

func (*CachedChild) Retain 

func (c *CachedChild) Retain() *CachedChild

Retain registers a new consumer for the cached child. child +1.

type CachedChildren 

type CachedChildren []*CachedChild

func (CachedChildren) Release 

func (cachedChildren CachedChildren) Release(force ...bool)

Release releases the cached children, to be picked up by the persistence layer (as soon as all consumers are done).

func (CachedChildren) Retain 

func (cachedChildren CachedChildren) Retain() CachedChildren

Retain registers a new consumer for the cached children. child +1.

type CachedMetadata 

type CachedMetadata struct {
	objectstorage.CachedObject
}

CachedMetadata contains the cached object only for metadata.

func NewCachedMetadata 

func NewCachedMetadata(metadata objectstorage.CachedObject) *CachedMetadata

func (*CachedMetadata) ConsumeMetadata 

func (c *CachedMetadata) ConsumeMetadata(consumer func(*BlockMetadata))

ConsumeMetadata consumes the metadata. meta -1.

func (*CachedMetadata) Metadata 

func (c *CachedMetadata) Metadata() *BlockMetadata

Metadata retrieves the metadata, that is cached in this container.

func (*CachedMetadata) Retain 

func (c *CachedMetadata) Retain() *CachedMetadata

Retain registers a new consumer for the cached metadata. meta +1.

type CachedMilestone 

type CachedMilestone struct {
	objectstorage.CachedObject
}

CachedMilestone represents a cached milestone.

func (*CachedMilestone) Milestone 

func (c *CachedMilestone) Milestone() *Milestone

Milestone retrieves the milestone, that is cached in this container.

func (*CachedMilestone) Retain 

func (c *CachedMilestone) Retain() *CachedMilestone

Retain registers a new consumer for the cached milestone. milestone +1.

type CachedMilestones 

type CachedMilestones []*CachedMilestone

func (CachedMilestones) Release 

func (c CachedMilestones) Release(force ...bool)

Release releases the cached milestones, to be picked up by the persistence layer (as soon as all consumers are done). milestone -1.

func (CachedMilestones) Retain 

func (c CachedMilestones) Retain() CachedMilestones

Retain registers a new consumer for the cached milestones. milestone +1.

type CachedUnreferencedBlock 

type CachedUnreferencedBlock struct {
	objectstorage.CachedObject
}

CachedUnreferencedBlock represents a cached unreferenced block.

func (*CachedUnreferencedBlock) UnreferencedBlock 

func (c *CachedUnreferencedBlock) UnreferencedBlock() *UnreferencedBlock

UnreferencedBlock retrieves the unreferenced block, that is cached in this container.

type CachedUnreferencedBlocks 

type CachedUnreferencedBlocks []*CachedUnreferencedBlock

func (CachedUnreferencedBlocks) Release 

func (cachedUnreferencedBlocks CachedUnreferencedBlocks) Release(force ...bool)

Release releases the cached unreferenced blocks, to be picked up by the persistence layer (as soon as all consumers are done).

type Child 

type Child struct {
	objectstorage.StorableObjectFlags
	// contains filtered or unexported fields
}

func NewChild 

func NewChild(parentBlockID iotago.BlockID, childBlockID iotago.BlockID) *Child

func (*Child) ChildBlockID 

func (a *Child) ChildBlockID() iotago.BlockID

func (*Child) ObjectStorageKey 

func (a *Child) ObjectStorageKey() []byte

func (*Child) ObjectStorageValue 

func (a *Child) ObjectStorageValue() []byte

func (*Child) ParentBlockID 

func (a *Child) ParentBlockID() iotago.BlockID

func (*Child) Update 

func (a *Child) Update(_ objectstorage.StorableObject)

type ChildConsumer 

type ChildConsumer func(blockID iotago.BlockID, childBlockID iotago.BlockID) bool

ChildConsumer consumes the given child during looping through all children. Returning false from this function indicates to abort the iteration.

type Conflict 

type Conflict uint8

Conflict defines the reason why a block is marked as conflicting.

func ConflictFromSemanticValidationError 

func ConflictFromSemanticValidationError(err error) Conflict

type ErrDatabaseError 

type ErrDatabaseError struct {
	Inner error
}

func NewDatabaseError 

func NewDatabaseError(cause error) *ErrDatabaseError

func (ErrDatabaseError) Cause 

func (e ErrDatabaseError) Cause() error

func (ErrDatabaseError) Error 

func (e ErrDatabaseError) Error() string

type IteratorOption 

type IteratorOption func(opts *IteratorOptions)

IteratorOption is a function setting an iterator option.

func WithIteratorMaxIterations 

func WithIteratorMaxIterations(maxIterations int) IteratorOption

WithIteratorMaxIterations is used to stop the iteration after a certain amount of iterations. 0 disables the limit.

func WithIteratorPrefix 

func WithIteratorPrefix(prefix []byte) IteratorOption

WithIteratorPrefix is used to iterate a subset of elements with a defined prefix.

type IteratorOptions 

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

IteratorOptions define options for iterations in the object storage.

type LexicalOrderedSolidEntryPoints 

type LexicalOrderedSolidEntryPoints []*SolidEntryPoint

LexicalOrderedSolidEntryPoints are solid entry points ordered in lexical order by their BlockID.

func (LexicalOrderedSolidEntryPoints) Len 

func (l LexicalOrderedSolidEntryPoints) Len() int

func (LexicalOrderedSolidEntryPoints) Less 

func (l LexicalOrderedSolidEntryPoints) Less(i, j int) bool

func (LexicalOrderedSolidEntryPoints) Swap 

func (l LexicalOrderedSolidEntryPoints) Swap(i, j int)

type MetadataMemcache 

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

func NewMetadataMemcache 

func NewMetadataMemcache(cachedBlockMetadataFunc CachedBlockMetadataFunc) *MetadataMemcache

NewMetadataMemcache creates a new NewMetadataMemcache instance.

func (*MetadataMemcache) CachedBlockMetadata 

func (c *MetadataMemcache) CachedBlockMetadata(blockID iotago.BlockID) (*CachedMetadata, error)

CachedBlockMetadata returns a cached metadata object. meta +1.

func (*MetadataMemcache) Cleanup 

func (c *MetadataMemcache) Cleanup(forceRelease bool)

Cleanup releases all the cached objects that have been used. This MUST be called by the user at the end.

type Milestone 

type Milestone struct {
	objectstorage.StorableObjectFlags
	// contains filtered or unexported fields
}

func NewMilestone 

func NewMilestone(milestonePayload *iotago.Milestone, deSeriMode serializer.DeSerializationMode, milestoneID ...iotago.MilestoneID) (*Milestone, error)

func (*Milestone) Data 

func (ms *Milestone) Data() []byte

func (*Milestone) Index 

func (ms *Milestone) Index() iotago.MilestoneIndex

func (*Milestone) Milestone 

func (ms *Milestone) Milestone() *iotago.Milestone

func (*Milestone) MilestoneID 

func (ms *Milestone) MilestoneID() iotago.MilestoneID

func (*Milestone) MilestoneIDHex 

func (ms *Milestone) MilestoneIDHex() string

func (*Milestone) ObjectStorageKey 

func (ms *Milestone) ObjectStorageKey() []byte

func (*Milestone) ObjectStorageValue 

func (ms *Milestone) ObjectStorageValue() []byte

func (*Milestone) Parents 

func (ms *Milestone) Parents() iotago.BlockIDs

func (*Milestone) Timestamp 

func (ms *Milestone) Timestamp() time.Time

func (*Milestone) TimestampUnix 

func (ms *Milestone) TimestampUnix() uint32

func (*Milestone) Update 

func (ms *Milestone) Update(_ objectstorage.StorableObject)

type MilestoneIndex 

type MilestoneIndex struct {
	objectstorage.StorableObjectFlags

	Index iotago.MilestoneIndex
	// contains filtered or unexported fields
}

func NewMilestoneIndex 

func NewMilestoneIndex(milestonePayload *iotago.Milestone, milestoneID ...iotago.MilestoneID) (*MilestoneIndex, error)

func (*MilestoneIndex) MilestoneID 

func (ms *MilestoneIndex) MilestoneID() iotago.MilestoneID

func (*MilestoneIndex) ObjectStorageKey 

func (ms *MilestoneIndex) ObjectStorageKey() []byte

func (*MilestoneIndex) ObjectStorageValue 

func (ms *MilestoneIndex) ObjectStorageValue() (data []byte)

func (*MilestoneIndex) Update 

func (ms *MilestoneIndex) Update(_ objectstorage.StorableObject)

type MilestoneIndexConsumer 

type MilestoneIndexConsumer func(index iotago.MilestoneIndex) bool

MilestoneIndexConsumer consumes the given index during looping through all milestones. Returning false from this function indicates to abort the iteration.

type NonCachedStorage 

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

NonCachedStorage is a Storage without a cache.

func (*NonCachedStorage) ForEachBlockID 

func (ns *NonCachedStorage) ForEachBlockID(consumer BlockIDConsumer, iteratorOptions ...IteratorOption)

ForEachBlockID loops over all block IDs.

func (*NonCachedStorage) ForEachBlockMetadataBlockID 

func (ns *NonCachedStorage) ForEachBlockMetadataBlockID(consumer BlockIDConsumer, iteratorOptions ...IteratorOption)

ForEachBlockMetadataBlockID loops over all block metadata block IDs.

func (*NonCachedStorage) ForEachChild 

func (ns *NonCachedStorage) ForEachChild(consumer ChildConsumer, iteratorOptions ...IteratorOption)

ForEachChild loops over all children.

func (*NonCachedStorage) ForEachMilestoneIndex 

func (ns *NonCachedStorage) ForEachMilestoneIndex(consumer MilestoneIndexConsumer, iteratorOptions ...IteratorOption)

ForEachMilestoneIndex loops through all milestones.

func (*NonCachedStorage) ForEachUnreferencedBlock 

func (ns *NonCachedStorage) ForEachUnreferencedBlock(consumer UnreferencedBlockConsumer, iteratorOptions ...IteratorOption)

ForEachUnreferencedBlock loops over all unreferenced blocks.

type ProtocolParamsMilestoneOptConsumer 

type ProtocolParamsMilestoneOptConsumer func(*iotago.ProtocolParamsMilestoneOpt) bool

ProtocolParamsMilestoneOptConsumer consumes the given ProtocolParamsMilestoneOpt. Returning false from this function indicates to abort the iteration.

type ProtocolStorage 

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

func NewProtocolStorage 

func NewProtocolStorage(protocolStore kvstore.KVStore) *ProtocolStorage

func (*ProtocolStorage) ActiveProtocolParameterMilestoneOptionsHash 

func (s *ProtocolStorage) ActiveProtocolParameterMilestoneOptionsHash(msIndex iotago.MilestoneIndex) ([]byte, error)

func (*ProtocolStorage) ForEachActiveProtocolParameterMilestoneOption 

func (s *ProtocolStorage) ForEachActiveProtocolParameterMilestoneOption(msIndex iotago.MilestoneIndex, consumer ProtocolParamsMilestoneOptConsumer) error

func (*ProtocolStorage) ForEachProtocolParameterMilestoneOption 

func (s *ProtocolStorage) ForEachProtocolParameterMilestoneOption(consumer ProtocolParamsMilestoneOptConsumer) error

func (*ProtocolStorage) ProtocolParameters 

func (s *ProtocolStorage) ProtocolParameters(msIndex iotago.MilestoneIndex) (*iotago.ProtocolParameters, error)

func (*ProtocolStorage) ProtocolParametersMilestoneOption 

func (s *ProtocolStorage) ProtocolParametersMilestoneOption(msIndex iotago.MilestoneIndex) (*iotago.ProtocolParamsMilestoneOpt, error)

func (*ProtocolStorage) PruneProtocolParameterMilestoneOptions 

func (s *ProtocolStorage) PruneProtocolParameterMilestoneOptions(pruningIndex iotago.MilestoneIndex) error

func (*ProtocolStorage) StoreProtocolParametersMilestoneOption 

func (s *ProtocolStorage) StoreProtocolParametersMilestoneOption(protoParamsMsOption *iotago.ProtocolParamsMilestoneOpt) error

type ReadOption 

type ReadOption = objectstorage.ReadOption

type SnapshotInfo 

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

func (*SnapshotInfo) Deserialize 

func (i *SnapshotInfo) Deserialize(data []byte, _ serializer.DeSerializationMode, _ interface{}) (int, error)

func (*SnapshotInfo) EntryPointIndex 

func (i *SnapshotInfo) EntryPointIndex() iotago.MilestoneIndex

EntryPointIndex returns the index of the milestone of which the SEPs within the database are from.

func (*SnapshotInfo) GenesisMilestoneIndex 

func (i *SnapshotInfo) GenesisMilestoneIndex() iotago.MilestoneIndex

GenesisMilestoneIndex returns the index of the genesis milestone of the network.

func (*SnapshotInfo) PruningIndex 

func (i *SnapshotInfo) PruningIndex() iotago.MilestoneIndex

PruningIndex returns the index of the milestone before which the tangle history is pruned. This is not the same as EntryPointIndex, so we can cleanly prune again even if the pruning was aborted last time.

func (*SnapshotInfo) Serialize 

func (i *SnapshotInfo) Serialize(_ serializer.DeSerializationMode, _ interface{}) ([]byte, error)

func (*SnapshotInfo) SnapshotIndex 

func (i *SnapshotInfo) SnapshotIndex() iotago.MilestoneIndex

SnapshotIndex returns the index of the snapshot file.

func (*SnapshotInfo) SnapshotTimestamp 

func (i *SnapshotInfo) SnapshotTimestamp() time.Time

SnapshotTimestamp returns the timestamp of the target milestone of the snapshot.

type SolidEntryPoint 

type SolidEntryPoint struct {
	BlockID iotago.BlockID
	Index   iotago.MilestoneIndex
}

type SolidEntryPointConsumer 

type SolidEntryPointConsumer func(solidEntryPoint *SolidEntryPoint) bool

SolidEntryPointConsumer consumes the solid entry point during looping through all solid entry points. Returning false from this function indicates to abort the iteration.

type SolidEntryPoints 

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

func NewSolidEntryPoints 

func NewSolidEntryPoints() *SolidEntryPoints

func SolidEntryPointsFromBytes 

func SolidEntryPointsFromBytes(solidEntryPointsBytes []byte) (*SolidEntryPoints, error)

func (*SolidEntryPoints) Add 

func (s *SolidEntryPoints) Add(blockID iotago.BlockID, milestoneIndex iotago.MilestoneIndex)

func (*SolidEntryPoints) Bytes 

func (s *SolidEntryPoints) Bytes() []byte

func (*SolidEntryPoints) Clear 

func (s *SolidEntryPoints) Clear()

func (*SolidEntryPoints) Contains 

func (s *SolidEntryPoints) Contains(blockID iotago.BlockID) bool

func (*SolidEntryPoints) Index 

func (s *SolidEntryPoints) Index(blockID iotago.BlockID) (iotago.MilestoneIndex, bool)

func (*SolidEntryPoints) IsModified 

func (s *SolidEntryPoints) IsModified() bool

func (*SolidEntryPoints) SHA256Sum 

func (s *SolidEntryPoints) SHA256Sum() ([]byte, error)

func (*SolidEntryPoints) SetModified 

func (s *SolidEntryPoints) SetModified(modified bool)

func (*SolidEntryPoints) Sorted 

func (s *SolidEntryPoints) Sorted() []*SolidEntryPoint

Sorted sorts the solid entry points lexicographically by their BlockID.

type Storage 

type Storage struct {
	*ProtocolStorage

	// events
	Events *packageEvents
	// contains filtered or unexported fields
}

Storage is the access layer to the node databases (partially cached).

func New 

func New(tangleStore kvstore.KVStore, utxoStore kvstore.KVStore, cachesProfile ...*profile.Caches) (*Storage, error)

func (*Storage) AreDatabasesCorrupted 

func (s *Storage) AreDatabasesCorrupted() (bool, error)

func (*Storage) AreDatabasesTainted 

func (s *Storage) AreDatabasesTainted() (bool, error)

func (*Storage) Block 

func (s *Storage) Block(blockID iotago.BlockID) (*iotago.Block, error)

Block returns an iotago block object.

func (*Storage) BlockExistsInStore 

func (s *Storage) BlockExistsInStore(blockID iotago.BlockID) bool

BlockExistsInStore returns if the given block exists in the persistence layer.

func (*Storage) BlockMetadataExistsInStore 

func (s *Storage) BlockMetadataExistsInStore(blockID iotago.BlockID) bool

BlockMetadataExistsInStore returns if the given block metadata exists in the persistence layer.

func (*Storage) BlockMetadataStorageSize 

func (s *Storage) BlockMetadataStorageSize() int

func (*Storage) BlockStorageSize 

func (s *Storage) BlockStorageSize() int

func (*Storage) CachedBlock 

func (s *Storage) CachedBlock(blockID iotago.BlockID) (*CachedBlock, error)

CachedBlock returns a cached block object. block +1.

func (*Storage) CachedBlockMetadata 

func (s *Storage) CachedBlockMetadata(blockID iotago.BlockID) (*CachedMetadata, error)

CachedBlockMetadata returns a cached metadata object. meta +1.

func (*Storage) CachedBlockMetadataOrNil 

func (s *Storage) CachedBlockMetadataOrNil(blockID iotago.BlockID) *CachedMetadata

CachedBlockMetadataOrNil returns a cached metadata object. meta +1.

func (*Storage) CachedBlockOrNil 

func (s *Storage) CachedBlockOrNil(blockID iotago.BlockID) *CachedBlock

CachedBlockOrNil returns a cached block object. block +1.

func (*Storage) CachedChildrenOfBlockID 

func (s *Storage) CachedChildrenOfBlockID(blockID iotago.BlockID, iteratorOptions ...IteratorOption) CachedChildren

CachedChildrenOfBlockID returns the cached children of a block. children +1.

func (*Storage) CachedMilestoneByIndexOrNil 

func (s *Storage) CachedMilestoneByIndexOrNil(milestoneIndex iotago.MilestoneIndex) *CachedMilestone

CachedMilestoneByIndexOrNil returns a cached milestone object. milestone +1.

func (*Storage) CachedMilestoneOrNil 

func (s *Storage) CachedMilestoneOrNil(milestoneID iotago.MilestoneID) *CachedMilestone

CachedMilestoneOrNil returns a cached milestone object. milestone +1.

func (*Storage) CheckCorrectDatabasesVersion 

func (s *Storage) CheckCorrectDatabasesVersion() (bool, error)

func (*Storage) CheckLedgerState 

func (s *Storage) CheckLedgerState() error

CheckLedgerState checks if the total balance of the ledger fits the token supply in the protocol parameters.

func (*Storage) ChildrenBlockIDs 

func (s *Storage) ChildrenBlockIDs(blockID iotago.BlockID, iteratorOptions ...IteratorOption) (iotago.BlockIDs, error)

ChildrenBlockIDs returns the block IDs of the children of the given block. children +-0.

func (*Storage) ChildrenStorageSize 

func (s *Storage) ChildrenStorageSize() int

func (*Storage) ContainsBlock 

func (s *Storage) ContainsBlock(blockID iotago.BlockID, readOptions ...ReadOption) bool

ContainsBlock returns if the given block exists in the cache/persistence layer.

func (*Storage) ContainsChild 

func (s *Storage) ContainsChild(blockID iotago.BlockID, childBlockID iotago.BlockID, readOptions ...ReadOption) bool

ContainsChild returns if the given child exists in the cache/persistence layer.

func (*Storage) ContainsMilestoneIndex 

func (s *Storage) ContainsMilestoneIndex(milestoneIndex iotago.MilestoneIndex, readOptions ...ReadOption) bool

ContainsMilestoneIndex returns if the given milestone exists in the cache/persistence layer.

func (*Storage) CurrentProtocolParameters 

func (s *Storage) CurrentProtocolParameters() (*iotago.ProtocolParameters, error)

func (*Storage) DeleteBlock 

func (s *Storage) DeleteBlock(blockID iotago.BlockID)

DeleteBlock deletes the block and metadata in the cache/persistence layer.

func (*Storage) DeleteBlockMetadata 

func (s *Storage) DeleteBlockMetadata(blockID iotago.BlockID)

DeleteBlockMetadata deletes the metadata in the cache/persistence layer.

func (*Storage) DeleteChild 

func (s *Storage) DeleteChild(blockID iotago.BlockID, childBlockID iotago.BlockID)

DeleteChild deletes the child in the cache/persistence layer. child +-0.

func (*Storage) DeleteChildren 

func (s *Storage) DeleteChildren(blockID iotago.BlockID, iteratorOptions ...IteratorOption)

DeleteChildren deletes the children of the given block in the cache/persistence layer. child +-0.

func (*Storage) DeleteMilestone 

func (s *Storage) DeleteMilestone(milestoneIndex iotago.MilestoneIndex)

DeleteMilestone deletes the milestone in the cache/persistence layer.

func (*Storage) DeleteUnreferencedBlocks 

func (s *Storage) DeleteUnreferencedBlocks(msIndex iotago.MilestoneIndex, iteratorOptions ...IteratorOption) int

DeleteUnreferencedBlocks deletes unreferenced block entries in the cache/persistence layer.

func (*Storage) FlushAndCloseStores 

func (s *Storage) FlushAndCloseStores() error

func (*Storage) FlushBlocksStorage 

func (s *Storage) FlushBlocksStorage()

FlushBlocksStorage flushes the blocks storage.

func (*Storage) FlushChildrenStorage 

func (s *Storage) FlushChildrenStorage()

FlushChildrenStorage flushes the children storage.

func (*Storage) FlushMilestoneStorage 

func (s *Storage) FlushMilestoneStorage()

FlushMilestoneStorage flushes the milestones storage.

func (*Storage) FlushStorages 

func (s *Storage) FlushStorages()

FlushStorages flushes all storages.

func (*Storage) FlushUnreferencedBlocksStorage 

func (s *Storage) FlushUnreferencedBlocksStorage()

FlushUnreferencedBlocksStorage flushes the unreferenced blocks storage.

func (*Storage) ForEachBlockID 

func (s *Storage) ForEachBlockID(consumer BlockIDConsumer, iteratorOptions ...IteratorOption)

ForEachBlockID loops over all block IDs.

func (*Storage) ForEachBlockMetadataBlockID 

func (s *Storage) ForEachBlockMetadataBlockID(consumer BlockIDConsumer, iteratorOptions ...IteratorOption)

ForEachBlockMetadataBlockID loops over all block metadata block IDs.

func (*Storage) ForEachChild 

func (s *Storage) ForEachChild(consumer ChildConsumer, iteratorOptions ...IteratorOption)

ForEachChild loops over all children.

func (*Storage) ForEachMilestoneIndex 

func (s *Storage) ForEachMilestoneIndex(consumer MilestoneIndexConsumer, iteratorOptions ...IteratorOption)

ForEachMilestoneIndex loops through all milestones.

func (*Storage) ForEachSolidEntryPointWithoutLocking 

func (s *Storage) ForEachSolidEntryPointWithoutLocking(consumer SolidEntryPointConsumer)

ForEachSolidEntryPointWithoutLocking loops over all solid entry points in the persistence layer. WriteLockSolidEntryPoints must be held while entering this function.

func (*Storage) ForEachUnreferencedBlock 

func (s *Storage) ForEachUnreferencedBlock(consumer UnreferencedBlockConsumer, iteratorOptions ...IteratorOption)

ForEachUnreferencedBlock loops over all unreferenced blocks.

func (*Storage) MarkDatabasesCorrupted 

func (s *Storage) MarkDatabasesCorrupted() error

func (*Storage) MarkDatabasesHealthy 

func (s *Storage) MarkDatabasesHealthy() error

func (*Storage) MarkDatabasesTainted 

func (s *Storage) MarkDatabasesTainted() error

func (*Storage) MilestoneParentsByIndex 

func (s *Storage) MilestoneParentsByIndex(milestoneIndex iotago.MilestoneIndex) (iotago.BlockIDs, error)

MilestoneParentsByIndex returns the parents of a milestone.

func (*Storage) MilestoneStorageSize 

func (s *Storage) MilestoneStorageSize() int

MilestoneStorageSize returns the size of the milestone storage.

func (*Storage) MilestoneTimestampByIndex 

func (s *Storage) MilestoneTimestampByIndex(milestoneIndex iotago.MilestoneIndex) (time.Time, error)

MilestoneTimestampByIndex returns the timestamp of a milestone.

func (*Storage) MilestoneTimestampUnixByIndex 

func (s *Storage) MilestoneTimestampUnixByIndex(milestoneIndex iotago.MilestoneIndex) (uint32, error)

MilestoneTimestampUnixByIndex returns the unix timestamp of a milestone.

func (*Storage) NonCachedStorage 

func (s *Storage) NonCachedStorage() *NonCachedStorage

func (*Storage) PrintSnapshotInfo 

func (s *Storage) PrintSnapshotInfo()

func (*Storage) ReadLockSolidEntryPoints 

func (s *Storage) ReadLockSolidEntryPoints()

func (*Storage) ReadUnlockSolidEntryPoints 

func (s *Storage) ReadUnlockSolidEntryPoints()

func (*Storage) ResetSolidEntryPointsWithoutLocking 

func (s *Storage) ResetSolidEntryPointsWithoutLocking()

ResetSolidEntryPointsWithoutLocking resets the solid entry points. WriteLockSolidEntryPoints must be held while entering this function.

func (*Storage) SearchLatestMilestoneIndexInStore 

func (s *Storage) SearchLatestMilestoneIndexInStore() iotago.MilestoneIndex

SearchLatestMilestoneIndexInStore searches the latest milestone without accessing the cache layer.

func (*Storage) SetEntryPointIndex 

func (s *Storage) SetEntryPointIndex(entryPointIndex iotago.MilestoneIndex) error

func (*Storage) SetInitialSnapshotInfo 

func (s *Storage) SetInitialSnapshotInfo(genesisMilestoneIndex iotago.MilestoneIndex, snapshotIndex iotago.MilestoneIndex, entryPointIndex iotago.MilestoneIndex, pruningIndex iotago.MilestoneIndex, snapshotTimestamp time.Time) error

func (*Storage) SetPruningIndex 

func (s *Storage) SetPruningIndex(pruningIndex iotago.MilestoneIndex) error

func (*Storage) SetSnapshotIndex 

func (s *Storage) SetSnapshotIndex(snapshotIndex iotago.MilestoneIndex, snapshotTimestamp time.Time) error

func (*Storage) Shutdown 

func (s *Storage) Shutdown() error

Shutdown flushes and closes all object storages, and then flushes and closes all stores.

func (*Storage) ShutdownBlocksStorage 

func (s *Storage) ShutdownBlocksStorage()

ShutdownBlocksStorage shuts down the blocks storage.

func (*Storage) ShutdownChildrenStorage 

func (s *Storage) ShutdownChildrenStorage()

ShutdownChildrenStorage shuts down the children storage.

func (*Storage) ShutdownMilestoneStorage 

func (s *Storage) ShutdownMilestoneStorage()

ShutdownMilestoneStorage shuts down milestones storage.

func (*Storage) ShutdownStorages 

func (s *Storage) ShutdownStorages()

ShutdownStorages shuts down all storages.

func (*Storage) ShutdownUnreferencedBlocksStorage 

func (s *Storage) ShutdownUnreferencedBlocksStorage()

ShutdownUnreferencedBlocksStorage shuts down the unreferenced blocks storage.

func (*Storage) SnapshotInfo 

func (s *Storage) SnapshotInfo() *SnapshotInfo

func (*Storage) SolidEntryPoints 

func (s *Storage) SolidEntryPoints() *SolidEntryPoints

func (*Storage) SolidEntryPointsAddWithoutLocking 

func (s *Storage) SolidEntryPointsAddWithoutLocking(blockID iotago.BlockID, milestoneIndex iotago.MilestoneIndex)

SolidEntryPointsAddWithoutLocking adds a block to the solid entry points. WriteLockSolidEntryPoints must be held while entering this function.

func (*Storage) SolidEntryPointsContain 

func (s *Storage) SolidEntryPointsContain(blockID iotago.BlockID) (bool, error)

func (*Storage) SolidEntryPointsIndex 

func (s *Storage) SolidEntryPointsIndex(blockID iotago.BlockID) (iotago.MilestoneIndex, bool, error)

SolidEntryPointsIndex returns the index of a solid entry point and whether the block is a solid entry point or not.

func (*Storage) StoreBlockIfAbsent 

func (s *Storage) StoreBlockIfAbsent(block *Block) (cachedBlock *CachedBlock, newlyAdded bool)

StoreBlockIfAbsent returns a cached object and stores the block in the persistence layer if it was absent. block +1.

func (*Storage) StoreChild 

func (s *Storage) StoreChild(parentBlockID iotago.BlockID, childBlockID iotago.BlockID) *CachedChild

StoreChild stores the child in the persistence layer and returns a cached object. child +1.

func (*Storage) StoreMilestoneIfAbsent 

func (s *Storage) StoreMilestoneIfAbsent(milestonePayload *iotago.Milestone) (cachedMilestone *CachedMilestone, newlyAdded bool)

StoreMilestoneIfAbsent stores a milestone if it is not known yet. milestone +1.

func (*Storage) StoreSolidEntryPointsWithoutLocking 

func (s *Storage) StoreSolidEntryPointsWithoutLocking() error

StoreSolidEntryPointsWithoutLocking stores the solid entry points in the persistence layer. WriteLockSolidEntryPoints must be held while entering this function.

func (*Storage) StoreUnreferencedBlock 

func (s *Storage) StoreUnreferencedBlock(msIndex iotago.MilestoneIndex, blockID iotago.BlockID) *CachedUnreferencedBlock

StoreUnreferencedBlock stores the unreferenced block in the persistence layer and returns a cached object. unreferencedBlock +1.

func (*Storage) StoredMetadataOrNil 

func (s *Storage) StoredMetadataOrNil(blockID iotago.BlockID) *BlockMetadata

StoredMetadataOrNil returns a metadata object without accessing the cache layer.

func (*Storage) TangleStore 

func (s *Storage) TangleStore() kvstore.KVStore

func (*Storage) UTXOManager 

func (s *Storage) UTXOManager() *utxo.Manager

func (*Storage) UTXOStore 

func (s *Storage) UTXOStore() kvstore.KVStore

func (*Storage) UnreferencedBlockIDs 

func (s *Storage) UnreferencedBlockIDs(msIndex iotago.MilestoneIndex, iteratorOptions ...IteratorOption) iotago.BlockIDs

UnreferencedBlockIDs returns all block IDs of unreferenced blocks for that milestone.

func (*Storage) UnreferencedBlocksStorageSize 

func (s *Storage) UnreferencedBlocksStorageSize() int

func (*Storage) UpdateDatabasesVersion 

func (s *Storage) UpdateDatabasesVersion() (bool, error)

UpdateDatabasesVersion tries to migrate the existing data to the new database version.

func (*Storage) UpdateSnapshotInfo 

func (s *Storage) UpdateSnapshotInfo(snapshotIndex iotago.MilestoneIndex, entryPointIndex iotago.MilestoneIndex, pruningIndex iotago.MilestoneIndex, snapshotTimestamp time.Time) error

func (*Storage) WriteLockSolidEntryPoints 

func (s *Storage) WriteLockSolidEntryPoints()

func (*Storage) WriteUnlockSolidEntryPoints 

func (s *Storage) WriteUnlockSolidEntryPoints()

type StoreHealthTracker 

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

func NewStoreHealthTracker 

func NewStoreHealthTracker(store kvstore.KVStore, dbVersion byte) (*StoreHealthTracker, error)

func (*StoreHealthTracker) CheckCorrectDatabaseVersion 

func (s *StoreHealthTracker) CheckCorrectDatabaseVersion() (bool, error)

func (*StoreHealthTracker) DatabaseVersion 

func (s *StoreHealthTracker) DatabaseVersion() (int, error)

DatabaseVersion returns the database version.

func (*StoreHealthTracker) IsCorrupted 

func (s *StoreHealthTracker) IsCorrupted() (bool, error)

func (*StoreHealthTracker) IsTainted 

func (s *StoreHealthTracker) IsTainted() (bool, error)

func (*StoreHealthTracker) MarkCorrupted 

func (s *StoreHealthTracker) MarkCorrupted() error

func (*StoreHealthTracker) MarkHealthy 

func (s *StoreHealthTracker) MarkHealthy() error

func (*StoreHealthTracker) MarkTainted 

func (s *StoreHealthTracker) MarkTainted() error

func (*StoreHealthTracker) UpdateDatabaseVersion 

func (s *StoreHealthTracker) UpdateDatabaseVersion() (bool, error)

UpdateDatabaseVersion tries to migrate the existing data to the new database version.

type UnreferencedBlock 

type UnreferencedBlock struct {
	objectstorage.StorableObjectFlags
	// contains filtered or unexported fields
}

func NewUnreferencedBlock 

func NewUnreferencedBlock(msIndex iotago.MilestoneIndex, blockID iotago.BlockID) *UnreferencedBlock

func (*UnreferencedBlock) BlockID 

func (t *UnreferencedBlock) BlockID() iotago.BlockID

func (*UnreferencedBlock) LatestMilestoneIndex 

func (t *UnreferencedBlock) LatestMilestoneIndex() iotago.MilestoneIndex

func (*UnreferencedBlock) ObjectStorageKey 

func (t *UnreferencedBlock) ObjectStorageKey() []byte

func (*UnreferencedBlock) ObjectStorageValue 

func (t *UnreferencedBlock) ObjectStorageValue() []byte

func (*UnreferencedBlock) Update 

func (t *UnreferencedBlock) Update(_ objectstorage.StorableObject)

type UnreferencedBlockConsumer 

type UnreferencedBlockConsumer func(msIndex iotago.MilestoneIndex, blockID iotago.BlockID) bool

UnreferencedBlockConsumer consumes the given unreferenced block during looping through all unreferenced blocks. Returning false from this function indicates to abort the iteration.

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