update

Documentation

Index

• Variables
• func CreatePostMiniBlocks(args ArgsHardForkProcessor) error
• func GetPendingMiniBlocks(epochStartMetaBlock data.MetaHeaderHandler, ...) ([]data.MiniBlockHeaderHandler, error)
• type AccountsDBSyncContainer
• type AccountsDBSyncer
• type ArgsHardForkProcessor
• type Closer
• type DataWriter
• type EpochChangeConfirmedNotifier
• type EpochHandler
• type EpochStartPendingMiniBlocksSyncHandler
• type EpochStartTriesSyncHandler
• type EpochStartVerifier
• type ExportFactoryHandler
• type ExportHandler
• type GenesisNodesSetupHandler
• type HardForkBlockProcessor
• type HardforkStorer
• type HeaderSyncHandler
• type HistoryStorer
• type ImportHandler
• type ImportStartHandler
• type MbInfo
  • func CleanDuplicates(args ArgsHardForkProcessor) ([]*MbInfo, error)
  • func CreateBody(args ArgsHardForkProcessor) ([]*MbInfo, error)
• type MissingHeadersByHashSyncer
• type PendingTransactionProcessor
• type PreferredPeersHolderHandler
• type RequestHandler
• type RoundHandler
• type SigVerifier
• type StateSyncer
• type TransactionsSyncHandler
• type TrieSyncContainer
• type TrieSyncer
• type TxInfo
• type WhiteListHandler

Variables

var ErrContainerKeyAlreadyExists = errors.New("provided key already exists in container")

ErrContainerKeyAlreadyExists signals that an element was already set in the container's map

var ErrEmptyChainID = errors.New("empty chain ID")

ErrEmptyChainID signals that empty chain ID was provided

var ErrEmptyExportFolderPath = errors.New("empty export folder path")

ErrEmptyExportFolderPath signals that the provided export folder's length is empty

var ErrEmptyVersionString = errors.New("empty version string")

ErrEmptyVersionString signals that the provided version string is empty

var ErrExpectedOneStartOfEpochMetaBlock = errors.New("expected one start of epoch metaBlock")

ErrExpectedOneStartOfEpochMetaBlock signals that exactly one start of epoch metaBlock should have been used

var ErrImportingData = errors.New("error importing data")

ErrImportingData signals that an import error occurred

var ErrIncorrectHardforkMessage = errors.New("incorrect hardfork message")

ErrIncorrectHardforkMessage signals that the hardfork message is incorrectly formatted

var ErrInvalidContainerKey = errors.New("element does not exist in container")

ErrInvalidContainerKey signals that an element does not exist in the container's map

var ErrInvalidEpoch = errors.New("invalid epoch")

ErrInvalidEpoch signals that an invalid epoch has been provided

var ErrInvalidFolderName = errors.New("invalid folder name")

ErrInvalidFolderName signals that folder name is nil

var ErrInvalidMaxHardCapForMissingNodes = errors.New("invalid max hardcap for missing nodes")

ErrInvalidMaxHardCapForMissingNodes signals that the maximum hardcap value for missing nodes is invalid

var ErrInvalidMiniBlockType = errors.New("invalid miniBlock type")

ErrInvalidMiniBlockType signals that an invalid miniBlock type has been provided

var ErrInvalidNumConcurrentTrieSyncers = errors.New("invalid num concurrent trie syncers")

ErrInvalidNumConcurrentTrieSyncers signals that the number of concurrent trie syncers is invalid

var ErrInvalidTimeToWaitAfterHardfork = errors.New("invalid time to wait after hard fork")

ErrInvalidTimeToWaitAfterHardfork signals that an invalid time to wait after hardfork was provided

var ErrInvalidValue = errors.New("invalid value")

ErrInvalidValue signals that the value provided is invalid

var ErrKeyTypeMismatch = errors.New("key type mismatch while importing")

ErrKeyTypeMismatch signals that key type was mismatch during import

var ErrLenMismatch = errors.New("lengths mismatch")

ErrLenMismatch signals that 2 or more slices have different lengths

var ErrMiniBlockNotFoundInImportedMap = errors.New("miniBlock was not found in imported map")

ErrMiniBlockNotFoundInImportedMap signals that the given miniBlock was not found in imported map

var ErrNilAccounts = errors.New("nil accounts")

ErrNilAccounts signals that nil accounts was provided

var ErrNilAccountsDBSyncContainer = errors.New("nil accounts db sync container")

ErrNilAccountsDBSyncContainer signals that nil accounts sync container was provided

var ErrNilAddressConverter = errors.New("nil address converter")

ErrNilAddressConverter signals that a nil address converter was provided

var ErrNilAntiFloodHandler = errors.New("nil anti flood handler")

ErrNilAntiFloodHandler signals that nil anti flood handler has been provided

var ErrNilAppStatusHandler = errors.New("nil app status handler")

ErrNilAppStatusHandler signals that a nil app status handler was provided

var ErrNilArgumentParser = errors.New("nil argument parser")

ErrNilArgumentParser signals that nil argument parser was provided

var ErrNilBlockBody = errors.New("nil block body")

ErrNilBlockBody signals that a nil block body has been provided

var ErrNilBlockKeyGen = errors.New("nil block key gen")

ErrNilBlockKeyGen signals that nil block key gen was provided

var ErrNilBlockSigner = errors.New("nil block signer")

ErrNilBlockSigner signals the nil block signer was provided

var ErrNilCacher = errors.New("nil cacher")

ErrNilCacher signals that nil cacher was provided

var ErrNilChanStopNodeProcess = errors.New("nil channel to stop node")

ErrNilChanStopNodeProcess signals that nil channel to stop node was provided

var ErrNilCloser = errors.New("nil closer instance")

ErrNilCloser signals that a nil closer instance was provided

var ErrNilContainerElement = errors.New("element cannot be nil")

ErrNilContainerElement signals when trying to add a nil element in the container

var ErrNilCoreComponents = errors.New("nil core components")

ErrNilCoreComponents signals that an operation has been attempted with nil core components

var ErrNilCryptoComponents = errors.New("nil crypto components")

ErrNilCryptoComponents signals that an operation has been attempted with nil crypto components

var ErrNilDataPoolHolder = errors.New("nil data pool holder")

ErrNilDataPoolHolder signals that the data pool holder is nil

var ErrNilEnableEpochsHandler = errors.New("nil enable epochs handler")

ErrNilEnableEpochsHandler signals that a nil enable epochs handler was provided

var ErrNilEpochConfirmedNotifier = errors.New("nil epoch confirmed notifier")

ErrNilEpochConfirmedNotifier signals that nil epoch confirmed notifier was provided

var ErrNilEpochHandler = errors.New("nil epoch handler")

ErrNilEpochHandler signals that nil epoch handler was provided

var ErrNilEpochStartMetaBlock = errors.New("nil epoch start metaBlock was provided")

ErrNilEpochStartMetaBlock signals that a nil epoch start metaBlock was provided

var ErrNilExportFactoryHandler = errors.New("nil export factory handler")

ErrNilExportFactoryHandler signals that nil export factory handler has been provided

var ErrNilGenesisNodesSetupHandler = errors.New("nil genesis nodes setup handler")

ErrNilGenesisNodesSetupHandler signals that a nil genesis nodes setup handler has been provided

var ErrNilHardForkBlockProcessor = errors.New("nil hard fork block processor")

ErrNilHardForkBlockProcessor signals that nil hard fork block processor has been provided

var ErrNilHardforkStorer = errors.New("nil hardfork storer")

ErrNilHardforkStorer signals that a nil hardfork storer has been provided

var ErrNilHasher = errors.New("nil Hasher")

ErrNilHasher signals that an operation has been attempted to or with a nil hasher implementation

var ErrNilHeaderHandler = errors.New("nil header handler")

ErrNilHeaderHandler signals that a nil header handler has been provided

var ErrNilHeaderIntegrityVerifier = errors.New("nil header integrity verifier")

ErrNilHeaderIntegrityVerifier signals that nil header integrity verifier was provided

var ErrNilHeaderSigVerifier = errors.New("nil header sig verifier")

ErrNilHeaderSigVerifier signals that nil header sig verifier was provided

var ErrNilHeaderSyncHandler = errors.New("nil header sync handler")

ErrNilHeaderSyncHandler signals that nil header sync handler was provided

var ErrNilHeaderValidator = errors.New("nil header validator")

ErrNilHeaderValidator signals that nil header validator has been provided

var ErrNilImportHandler = errors.New("nil import handler")

ErrNilImportHandler signals that nil import handler has been provided

var ErrNilImportStartHandler = errors.New("nil import start handler")

ErrNilImportStartHandler signals that a nil import start handler has been provided

var ErrNilInterceptorsContainer = errors.New("nil interceptors container")

ErrNilInterceptorsContainer signals that a nil interceptors container has been provided

var ErrNilKeyGenerator = errors.New("nil key generator")

ErrNilKeyGenerator signals that nil key generator was provided

var ErrNilMarshalizer = errors.New("nil Marshalizer")

ErrNilMarshalizer signals that an operation has been attempted to or with a nil Marshalizer implementation

var ErrNilMessenger = errors.New("nil Messenger")

ErrNilMessenger signals that a nil Messenger object was provided

var ErrNilMiniBlocksSyncHandler = errors.New("nil miniblocks sync handler")

ErrNilMiniBlocksSyncHandler signals that nil miniblocks sync handler was provided

var ErrNilMultiSigner = errors.New("nil multi signer")

ErrNilMultiSigner signals that nil multi signer was provided

var ErrNilNetworkComponents = errors.New("nil network components")

ErrNilNetworkComponents signals that a nil network components instance was provided

var ErrNilNodesCoordinator = errors.New("nil nodes coordinator")

ErrNilNodesCoordinator signals that nil nodes coordinator was provided

var ErrNilPeersRatingHandler = errors.New("nil peers rating handler")

ErrNilPeersRatingHandler signals that a nil peers rating handler implementation has been provided

var ErrNilPendingTxProcessor = errors.New("nil pending tx processor")

ErrNilPendingTxProcessor signals that nil pending tx processor has been provided

var ErrNilPubKeyConverter = errors.New("nil public key converter")

ErrNilPubKeyConverter signals that a nil public key converter was provided

var ErrNilReceiptsRepository = errors.New("nil receipts repository")

ErrNilReceiptsRepository signals that nil receipts repository has been provided

var ErrNilRequestHandler = errors.New("nil request handler")

ErrNilRequestHandler signals that a nil request handler interface was provided

var ErrNilRequestersContainer = errors.New("nil requesters container")

ErrNilRequestersContainer signals that a nil requesters container was provided

var ErrNilResolverContainer = errors.New("nil resolver container")

ErrNilResolverContainer signals that a nil resolver container was provided

var ErrNilRoundHandler = errors.New("nil round handler")

ErrNilRoundHandler signals that nil round handler has been provided

var ErrNilRwdTxProcessor = errors.New("nil reward transaction processor")

ErrNilRwdTxProcessor signals that nil reward transaction processor has been provided

var ErrNilSCRProcessor = errors.New("nil smart contract result processor")

ErrNilSCRProcessor signals that nil smart contract result processor has been provided

var ErrNilShardCoordinator = errors.New("nil shard coordinator")

ErrNilShardCoordinator signals that an operation has been attempted to or with a nil shard coordinator

var ErrNilSingleSigner = errors.New("nil single signer")

ErrNilSingleSigner signals that nil single signer was provided

var ErrNilStateSyncer = errors.New("nil state syncer")

ErrNilStateSyncer signals that state syncer is nil

var ErrNilStatusCoreComponentsHolder = errors.New("nil status core components holder")

ErrNilStatusCoreComponentsHolder signals that a nil status core components holder was provided

var ErrNilStorage = errors.New("nil storage")

ErrNilStorage signals that storage is nil

var ErrNilStorageManager = errors.New("nil trie storage manager")

ErrNilStorageManager signals that nil storage manager has been provided

var ErrNilTimeCache = errors.New("nil time cache")

ErrNilTimeCache signals that a nil time cache was provided

var ErrNilTransactionsSyncHandler = errors.New("nil transaction sync handler")

ErrNilTransactionsSyncHandler signals that nil transactions sync handler was provided

var ErrNilTrieDataGetter = errors.New("nil trie data getter provided")

ErrNilTrieDataGetter signals that a nil trie data getter has been provided

var ErrNilTrieStorageManagers = errors.New("nil trie storage managers")

ErrNilTrieStorageManagers signals that nil trie storage managers has been provided

var ErrNilTrieSyncers = errors.New("nil trie syncers")

ErrNilTrieSyncers signals that trie syncers container is nil

var ErrNilTxCoordinator = errors.New("nil tx coordinator")

ErrNilTxCoordinator signals that nil tx coordinator has been provided

var ErrNilTxProcessor = errors.New("nil transaction processor")

ErrNilTxProcessor signals that nil transaction processor has been provided

var ErrNilUint64Converter = errors.New("uint64converter is nil")

ErrNilUint64Converter signals that uint64converter is nil

var ErrNilUnFinishedMetaBlocksMap = errors.New("nil unFinished metaBlocks map was provided")

ErrNilUnFinishedMetaBlocksMap signals that a nil unFinished metaBlocks map was provided

var ErrNilValidityAttester = errors.New("nil validity attester")

ErrNilValidityAttester signals that nil validity was provided

var ErrNilWhiteListHandler = errors.New("nil white list handler")

ErrNilWhiteListHandler signals that white list handler is nil

var ErrNotEpochStartBlock = errors.New("not epoch start block")

ErrNotEpochStartBlock signals that block is not of type epoch start

var ErrNotSynced = errors.New("not synced")

ErrNotSynced signals that syncing has not been finished yet

var ErrPostProcessTransactionNotFound = errors.New("transaction was not found in post process map")

ErrPostProcessTransactionNotFound signals that the given transaction was not found in post process map

var ErrTimeIsOut = errors.New("time is out")

ErrTimeIsOut signals that time is out

var ErrTransactionNotFoundInImportedMap = errors.New("transaction was not found in imported map")

ErrTransactionNotFoundInImportedMap signals that the given transaction was not found in imported map

var ErrTriggerAlreadyInAction = errors.New("trigger already in action")

ErrTriggerAlreadyInAction signals that the trigger is already in action, can not re-enter

var ErrTriggerNotEnabled = errors.New("trigger is not enabled")

ErrTriggerNotEnabled signals that the trigger is not enabled

var ErrTriggerPubKeyMismatch = errors.New("trigger public key mismatch")

ErrTriggerPubKeyMismatch signals that there is a mismatch between the public key received and the one read from the config

var ErrUnknownType = errors.New("unknown type")

ErrUnknownType signals that type is unknown

var ErrWrongImportedMiniBlocksMap = errors.New("wrong imported miniBlocks map was provided")

ErrWrongImportedMiniBlocksMap signals that wrong imported miniBlocks map was provided

var ErrWrongImportedTransactionsMap = errors.New("wrong imported transactions map was provided")

ErrWrongImportedTransactionsMap signals that wrong imported transactions map was provided

var ErrWrongTypeAssertion = errors.New("wrong type assertion")

ErrWrongTypeAssertion signals wrong type assertion

var ErrWrongTypeInContainer = errors.New("wrong type of object inside container")

ErrWrongTypeInContainer signals that a wrong type of object was found in container

var ErrWrongUnFinishedMetaHdrsMap = errors.New("wrong unFinished meta headers map")

ErrWrongUnFinishedMetaHdrsMap signals that wrong unFinished meta headers map was provided

Functions

func CreatePostMiniBlocks

func CreatePostMiniBlocks(args ArgsHardForkProcessor) error

CreatePostMiniBlocks will create all the post miniBlocks after hardfork import

func GetPendingMiniBlocks

func GetPendingMiniBlocks(
	epochStartMetaBlock data.MetaHeaderHandler,
	unFinishedMetaBlocksMap map[string]data.MetaHeaderHandler,
) ([]data.MiniBlockHeaderHandler, error)

GetPendingMiniBlocks get all the pending miniBlocks from epoch start metaBlock and unFinished metaBlocks

Types

type AccountsDBSyncContainer

type AccountsDBSyncContainer interface {
	Get(key string) (AccountsDBSyncer, error)
	Add(key string, val AccountsDBSyncer) error
	AddMultiple(keys []string, values []AccountsDBSyncer) error
	Replace(key string, val AccountsDBSyncer) error
	Remove(key string)
	Len() int
	IsInterfaceNil() bool
}

AccountsDBSyncContainer keep a list of TrieSyncer

type AccountsDBSyncer

type AccountsDBSyncer interface {
	GetSyncedTries() map[string]common.Trie
	SyncAccounts(rootHash []byte, storageMarker common.StorageMarker) error
	IsInterfaceNil() bool
}

AccountsDBSyncer defines the methods for the accounts db syncer

type ArgsHardForkProcessor

type ArgsHardForkProcessor struct {
	Hasher                    hashing.Hasher
	Marshalizer               marshal.Marshalizer
	ShardIDs                  []uint32
	MapBodies                 map[uint32]*block.Body
	MapHardForkBlockProcessor map[uint32]HardForkBlockProcessor
	PostMbs                   []*MbInfo
}

ArgsHardForkProcessor defines the arguments structure needed by hardfork processor methods

type Closer

type Closer interface {
	Close() error
	IsInterfaceNil() bool
}

Closer defines the functionality of an entity that can be closed

type DataWriter

type DataWriter interface {
	WriteString(s string) (int, error)
	Flush() error
}

DataWriter defines the methods to write data

type EpochChangeConfirmedNotifier

type EpochChangeConfirmedNotifier interface {
	RegisterForEpochChangeConfirmed(handler func(epoch uint32))
	IsInterfaceNil() bool
}

EpochChangeConfirmedNotifier defines the functionality needed to register for the epoch change confirmed event

type EpochHandler

type EpochHandler interface {
	MetaEpoch() uint32
	ForceEpochStart(round uint64)
	IsInterfaceNil() bool
}

EpochHandler defines the functionality to get the current epoch

type EpochStartPendingMiniBlocksSyncHandler

type EpochStartPendingMiniBlocksSyncHandler interface {
	SyncPendingMiniBlocksFromMeta(epochStart data.MetaHeaderHandler, unFinished map[string]data.MetaHeaderHandler, ctx context.Context) error
	GetMiniBlocks() (map[string]*block.MiniBlock, error)
	IsInterfaceNil() bool
}

EpochStartPendingMiniBlocksSyncHandler defines the methods to sync all pending miniblocks

type EpochStartTriesSyncHandler

type EpochStartTriesSyncHandler interface {
	SyncTriesFrom(meta data.MetaHeaderHandler) error
	GetTries() (map[string]common.Trie, error)
	IsInterfaceNil() bool
}

EpochStartTriesSyncHandler defines the methods to sync all tries from a given epoch start metablock

type EpochStartVerifier

type EpochStartVerifier interface {
	IsEpochStart() bool
	Epoch() uint32
	EpochStartMetaHdrHash() []byte
	IsInterfaceNil() bool
}

EpochStartVerifier defines the functionality needed by sync all state from epochTrigger

type ExportFactoryHandler

type ExportFactoryHandler interface {
	Create() (ExportHandler, error)
	IsInterfaceNil() bool
}

ExportFactoryHandler defines the functionality to create and export handler

type ExportHandler

type ExportHandler interface {
	ExportAll(epoch uint32) error
	IsInterfaceNil() bool
}

ExportHandler defines the methods to export the current state of the blockchain

type GenesisNodesSetupHandler

type GenesisNodesSetupHandler interface {
	InitialNodesInfoForShard(shardId uint32) ([]nodesCoordinator.GenesisNodeInfoHandler, []nodesCoordinator.GenesisNodeInfoHandler, error)
	InitialNodesInfo() (map[uint32][]nodesCoordinator.GenesisNodeInfoHandler, map[uint32][]nodesCoordinator.GenesisNodeInfoHandler)
	GetStartTime() int64
	GetRoundDuration() uint64
	GetShardConsensusGroupSize() uint32
	GetMetaConsensusGroupSize() uint32
	MinNumberOfShardNodes() uint32
	MinNumberOfMetaNodes() uint32
	GetHysteresis() float32
	GetAdaptivity() bool
	NumberOfShards() uint32
	MinNumberOfNodes() uint32
	IsInterfaceNil() bool
}

GenesisNodesSetupHandler returns the genesis nodes info

type HardForkBlockProcessor

type HardForkBlockProcessor interface {
	CreateBlock(body *block.Body, chainID string, round uint64, nonce uint64, epoch uint32) (data.HeaderHandler, error)
	CreateBody() (*block.Body, []*MbInfo, error)
	CreatePostMiniBlocks(mbsInfo []*MbInfo) (*block.Body, []*MbInfo, error)
	IsInterfaceNil() bool
}

HardForkBlockProcessor defines the methods to process after hardfork

type HardforkStorer

type HardforkStorer interface {
	Write(identifier string, key []byte, value []byte) error
	FinishedIdentifier(identifier string) error
	RangeKeys(handler func(identifier string, keys [][]byte) bool)
	Get(identifier string, key []byte) ([]byte, error)
	Close() error
	IsInterfaceNil() bool
}

HardforkStorer manages the export and import of data

type HeaderSyncHandler

type HeaderSyncHandler interface {
	SyncUnFinishedMetaHeaders(epoch uint32) error
	GetEpochStartMetaBlock() (data.MetaHeaderHandler, error)
	GetUnFinishedMetaBlocks() (map[string]data.MetaHeaderHandler, error)
	IsInterfaceNil() bool
}

HeaderSyncHandler defines the methods to sync and get the epoch start metablock

type HistoryStorer

type HistoryStorer interface {
	Put(key, data []byte) error
	Get(key []byte) ([]byte, error)
	Has(key []byte) error
	Remove(key []byte) error
	ClearCache()
	DestroyUnit() error
	GetFromEpoch(key []byte, epoch uint32) ([]byte, error)

	IsInterfaceNil() bool
}

HistoryStorer provides storage services in a two layered storage construct, where the first layer is represented by a cache and second layer by a persitent storage (DB-like)

type ImportHandler

type ImportHandler interface {
	ImportAll() error
	GetValidatorAccountsDB() state.AccountsAdapter
	GetMiniBlocks() map[string]*block.MiniBlock
	GetHardForkMetaBlock() data.MetaHeaderHandler
	GetUnFinishedMetaBlocks() map[string]data.MetaHeaderHandler
	GetTransactions() map[string]data.TransactionHandler
	GetAccountsDBForShard(shardID uint32) state.AccountsAdapter
	Close() error
	IsInterfaceNil() bool
}

ImportHandler defines the methods to import the full state of the blockchain

type ImportStartHandler

type ImportStartHandler interface {
	IsAfterExportBeforeImport() bool
	ShouldStartImport() bool
	ResetStartImport() error
	SetStartImport() error
	IsInterfaceNil() bool
}

ImportStartHandler can manage the process of starting the import after the hardfork event

type MbInfo

type MbInfo struct {
	MbHash          []byte
	SenderShardID   uint32
	ReceiverShardID uint32
	Type            block.Type
	TxsInfo         []*TxInfo
}

MbInfo defines the structure which hold the miniBlock info

func CleanDuplicates

func CleanDuplicates(args ArgsHardForkProcessor) ([]*MbInfo, error)

CleanDuplicates cleans from the post miniBlocks map, the already existing miniBlocks in bodies map

func CreateBody

func CreateBody(args ArgsHardForkProcessor) ([]*MbInfo, error)

CreateBody will create a block body after hardfork import

type MissingHeadersByHashSyncer

type MissingHeadersByHashSyncer interface {
	SyncMissingHeadersByHash(shardIDs []uint32, headersHashes [][]byte, ctx context.Context) error
	GetHeaders() (map[string]data.HeaderHandler, error)
	ClearFields()
	IsInterfaceNil() bool
}

MissingHeadersByHashSyncer defines the methods to sync all missing headers by hash

type PendingTransactionProcessor

type PendingTransactionProcessor interface {
	ProcessTransactionsDstMe(mbInfo *MbInfo) (*block.MiniBlock, error)
	RootHash() ([]byte, error)
	Commit() ([]byte, error)
	IsInterfaceNil() bool
}

PendingTransactionProcessor defines the methods to process a transaction destination me

type PreferredPeersHolderHandler

type PreferredPeersHolderHandler interface {
	PutConnectionAddress(peerID core.PeerID, address string)
	PutShardID(peerID core.PeerID, shardID uint32)
	Get() map[uint32][]core.PeerID
	Contains(peerID core.PeerID) bool
	Remove(peerID core.PeerID)
	Clear()
	IsInterfaceNil() bool
}

PreferredPeersHolderHandler defines the behavior of a component able to handle preferred peers operations

type RequestHandler

type RequestHandler interface {
	RequestTransaction(shardId uint32, txHashes [][]byte)
	RequestUnsignedTransactions(destShardID uint32, scrHashes [][]byte)
	RequestRewardTransactions(destShardID uint32, txHashes [][]byte)
	RequestMiniBlock(shardId uint32, miniblockHash []byte)
	RequestStartOfEpochMetaBlock(epoch uint32)
	RequestShardHeader(shardId uint32, hash []byte)
	RequestMetaHeader(hash []byte)
	RequestMetaHeaderByNonce(nonce uint64)
	RequestShardHeaderByNonce(shardId uint32, nonce uint64)
	RequestTrieNodes(destShardID uint32, hashes [][]byte, topic string)
	RequestInterval() time.Duration
	SetNumPeersToQuery(key string, intra int, cross int) error
	GetNumPeersToQuery(key string) (int, int, error)
	IsInterfaceNil() bool
}

RequestHandler defines the methods through which request to data can be made

type RoundHandler

type RoundHandler interface {
	Index() int64
	TimeStamp() time.Time
	IsInterfaceNil() bool
}

RoundHandler defines the actions which should be handled by a round implementation

type SigVerifier

type SigVerifier interface {
	Verify(message []byte, sig []byte, pk []byte) error
	IsInterfaceNil() bool
}

SigVerifier is used to verify the signature on a provided message

type StateSyncer

type StateSyncer interface {
	GetEpochStartMetaBlock() (data.MetaHeaderHandler, error)
	GetUnFinishedMetaBlocks() (map[string]data.MetaHeaderHandler, error)
	SyncAllState(epoch uint32) error
	GetAllTries() (map[string]common.Trie, error)
	GetAllTransactions() (map[string]data.TransactionHandler, error)
	GetAllValidatorsInfo() (map[string]*state.ShardValidatorInfo, error)
	GetAllMiniBlocks() (map[string]*block.MiniBlock, error)
	IsInterfaceNil() bool
}

StateSyncer interface defines the methods needed to sync and get all states

type TransactionsSyncHandler

type TransactionsSyncHandler interface {
	SyncTransactionsFor(miniBlocks map[string]*block.MiniBlock, epoch uint32, ctx context.Context) error
	GetTransactions() (map[string]data.TransactionHandler, error)
	GetValidatorsInfo() (map[string]*state.ShardValidatorInfo, error)
	ClearFields()
	IsInterfaceNil() bool
}

TransactionsSyncHandler defines the methods to sync all transactions from a set of miniblocks

type TrieSyncContainer

type TrieSyncContainer interface {
	Get(key string) (TrieSyncer, error)
	Add(key string, val TrieSyncer) error
	AddMultiple(keys []string, interceptors []TrieSyncer) error
	Replace(key string, val TrieSyncer) error
	Remove(key string)
	Len() int
	IsInterfaceNil() bool
}

TrieSyncContainer keep a list of TrieSyncer

type TrieSyncer

type TrieSyncer interface {
	StartSyncing(rootHash []byte, ctx context.Context) error
	Trie() common.Trie
	IsInterfaceNil() bool
}

TrieSyncer synchronizes the trie, asking on the network for the missing nodes

type TxInfo

type TxInfo struct {
	TxHash []byte
	Tx     data.TransactionHandler
}

TxInfo defines the structure which hold the transaction info

type WhiteListHandler

type WhiteListHandler interface {
	Remove(keys [][]byte)
	Add(keys [][]byte)
	IsWhiteListed(interceptedData process.InterceptedData) bool
	IsWhiteListedAtLeastOne(identifiers [][]byte) bool
	IsInterfaceNil() bool
}

WhiteListHandler is the interface needed to add whitelisted data