trie

package
v1.0.94 Latest Latest
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 Go to latest Published: Mar 16, 2020 License: GPL-3.0 Imports: 27 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrInvalidLengthNode        = fmt.Errorf("proto: negative length found during unmarshaling")
	ErrIntOverflowNode          = fmt.Errorf("proto: integer overflow")
	ErrUnexpectedEndOfGroupNode = fmt.Errorf("proto: unexpected end of group")
)
View Source 
var ErrChildPosOutOfRange = errors.New("the position of the child is out of range")

ErrChildPosOutOfRange is raised when the position of a child in a branch node is less than 0 or greater than 16

View Source 
var ErrEmptyNode = errors.New("the node is empty")

ErrEmptyNode is raised when we reach an empty node (a node with no children or no value)

View Source 
var ErrHashNotFound = errors.New("hash not found")

ErrHashNotFound signals that the given hash was not found in db or snapshots

View Source 
var ErrInvalidEncoding = errors.New("cannot decode this invalid encoding")

ErrInvalidEncoding is raised when the encoded information cannot be decoded

View Source 
var ErrInvalidHash = errors.New("the received hash is invalid")

ErrInvalidHash is raised when the given hash is invalid

View Source 
var ErrInvalidLength = errors.New("invalid array length")

ErrInvalidLength signals that length of the array is invalid

View Source 
var ErrInvalidNode = errors.New("invalid node")

ErrInvalidNode is raised when we reach an invalid node

View Source 
var ErrNilDatabase = errors.New("no database provided")

ErrNilDatabase is raised when a database operation is called, but no database is provided

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var ErrNilEvictionWaitingList = errors.New("nil eviction waiting list provided")

ErrNilEvictionWaitingList is raised when a nil eviction waiting list is provided

View Source 
var ErrNilHasher = errors.New("no hasher provided")

ErrNilHasher is raised when the NewTrie() function is called, but a hasher isn't provided

View Source 
var ErrNilMarshalizer = errors.New("no marshalizer provided")

ErrNilMarshalizer is raised when the NewTrie() function is called, but a marshalizer isn't provided

View Source 
var ErrNilNode = errors.New("the node is nil")

ErrNilNode is raised when we reach a nil node

View Source 
var ErrNilPathManager = errors.New("nil path manager")

ErrNilPathManager signals that a nil path manager has been provided

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var ErrNilResolver = errors.New("the resolver is nil")

ErrNilResolver is raised when the given resolver is nil

View Source 
var ErrNilSnapshotDbConfig = errors.New("nil snapshot db config provided")

ErrNilSnapshotDbConfig is raised when a nil snapshot db config is provided

View Source 
var ErrNilTrie = errors.New("the trie is nil")

ErrNilTrie is raised when the trie is nil

View Source 
var ErrNilTrieStorage = errors.New("nil trie storage provided")

ErrNilTrieStorage is raised when a nil trie storage is provided

View Source 
var ErrNodeNotFound = errors.New("the node is not present in the trie")

ErrNodeNotFound is raised when we try to get a node that is not present in the trie

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

ErrTimeIsOut signals that time is out

View Source 
var ErrValueTooShort = errors.New("cannot remove bytes from value because value is too short")

ErrValueTooShort is raised when we try to remove something from a value, and the value is too short

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

ErrWrongTypeAssertion signals that wrong type was provided

Functions

func NewIterator 

func NewIterator(trie data.Trie) (*iterator, error)

NewIterator creates a new instance of trie iterator

func NewTrie 

func NewTrie(
	trieStorage data.StorageManager,
	msh marshal.Marshalizer,
	hsh hashing.Hasher,
) (*patriciaMerkleTrie, error)

NewTrie creates a new Patricia Merkle Trie

func NewTrieStorageManager 

func NewTrieStorageManager(db data.DBWriteCacher, snapshotDbCfg config.DBConfig, ewl data.DBRemoveCacher) (*trieStorageManager, error)

NewTrieStorageManager creates a new instance of trieStorageManager

func NewTrieStorageManagerWithoutPruning 

func NewTrieStorageManagerWithoutPruning(db data.DBWriteCacher) (*trieStorageManagerWithoutPruning, error)

NewTrieStorageManagerWithoutPruning creates a new instance of trieStorageManagerWithoutPruning

func NewTrieSyncer 

func NewTrieSyncer(
	resolver dataRetriever.Resolver,
	interceptedNodes storage.Cacher,
	trie data.Trie,
	waitTime time.Duration,
) (*trieSyncer, error)

NewTrieSyncer creates a new instance of trieSyncer

Types

type CollapsedBn 

type CollapsedBn struct {
	EncodedChildren [][]byte `protobuf:"bytes,1,rep,name=EncodedChildren,proto3" json:"EncodedChildren,omitempty"`
}

func (*CollapsedBn) Descriptor 

func (*CollapsedBn) Descriptor() ([]byte, []int)

func (*CollapsedBn) Equal 

func (this *CollapsedBn) Equal(that interface{}) bool

func (*CollapsedBn) GetEncodedChildren 

func (m *CollapsedBn) GetEncodedChildren() [][]byte

func (*CollapsedBn) GoString 

func (this *CollapsedBn) GoString() string

func (*CollapsedBn) Marshal 

func (m *CollapsedBn) Marshal() (dAtA []byte, err error)

func (*CollapsedBn) MarshalTo 

func (m *CollapsedBn) MarshalTo(dAtA []byte) (int, error)

func (*CollapsedBn) MarshalToSizedBuffer 

func (m *CollapsedBn) MarshalToSizedBuffer(dAtA []byte) (int, error)

func (*CollapsedBn) ProtoMessage 

func (*CollapsedBn) ProtoMessage()

func (*CollapsedBn) Reset 

func (m *CollapsedBn) Reset()

func (*CollapsedBn) Size 

func (m *CollapsedBn) Size() (n int)

func (*CollapsedBn) String 

func (this *CollapsedBn) String() string

func (*CollapsedBn) Unmarshal 

func (m *CollapsedBn) Unmarshal(dAtA []byte) error

func (*CollapsedBn) XXX_DiscardUnknown 

func (m *CollapsedBn) XXX_DiscardUnknown()

func (*CollapsedBn) XXX_Marshal 

func (m *CollapsedBn) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*CollapsedBn) XXX_Merge 

func (m *CollapsedBn) XXX_Merge(src proto.Message)

func (*CollapsedBn) XXX_Size 

func (m *CollapsedBn) XXX_Size() int

func (*CollapsedBn) XXX_Unmarshal 

func (m *CollapsedBn) XXX_Unmarshal(b []byte) error

type CollapsedEn 

type CollapsedEn struct {
	Key          []byte `protobuf:"bytes,1,opt,name=Key,proto3" json:"Key,omitempty"`
	EncodedChild []byte `protobuf:"bytes,2,opt,name=EncodedChild,proto3" json:"EncodedChild,omitempty"`
}

func (*CollapsedEn) Descriptor 

func (*CollapsedEn) Descriptor() ([]byte, []int)

func (*CollapsedEn) Equal 

func (this *CollapsedEn) Equal(that interface{}) bool

func (*CollapsedEn) GetEncodedChild 

func (m *CollapsedEn) GetEncodedChild() []byte

func (*CollapsedEn) GetKey 

func (m *CollapsedEn) GetKey() []byte

func (*CollapsedEn) GoString 

func (this *CollapsedEn) GoString() string

func (*CollapsedEn) Marshal 

func (m *CollapsedEn) Marshal() (dAtA []byte, err error)

func (*CollapsedEn) MarshalTo 

func (m *CollapsedEn) MarshalTo(dAtA []byte) (int, error)

func (*CollapsedEn) MarshalToSizedBuffer 

func (m *CollapsedEn) MarshalToSizedBuffer(dAtA []byte) (int, error)

func (*CollapsedEn) ProtoMessage 

func (*CollapsedEn) ProtoMessage()

func (*CollapsedEn) Reset 

func (m *CollapsedEn) Reset()

func (*CollapsedEn) Size 

func (m *CollapsedEn) Size() (n int)

func (*CollapsedEn) String 

func (this *CollapsedEn) String() string

func (*CollapsedEn) Unmarshal 

func (m *CollapsedEn) Unmarshal(dAtA []byte) error

func (*CollapsedEn) XXX_DiscardUnknown 

func (m *CollapsedEn) XXX_DiscardUnknown()

func (*CollapsedEn) XXX_Marshal 

func (m *CollapsedEn) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*CollapsedEn) XXX_Merge 

func (m *CollapsedEn) XXX_Merge(src proto.Message)

func (*CollapsedEn) XXX_Size 

func (m *CollapsedEn) XXX_Size() int

func (*CollapsedEn) XXX_Unmarshal 

func (m *CollapsedEn) XXX_Unmarshal(b []byte) error

type CollapsedLn 

type CollapsedLn struct {
	Key   []byte `protobuf:"bytes,1,opt,name=Key,proto3" json:"Key,omitempty"`
	Value []byte `protobuf:"bytes,2,opt,name=Value,proto3" json:"Value,omitempty"`
}

func (*CollapsedLn) Descriptor 

func (*CollapsedLn) Descriptor() ([]byte, []int)

func (*CollapsedLn) Equal 

func (this *CollapsedLn) Equal(that interface{}) bool

func (*CollapsedLn) GetKey 

func (m *CollapsedLn) GetKey() []byte

func (*CollapsedLn) GetValue 

func (m *CollapsedLn) GetValue() []byte

func (*CollapsedLn) GoString 

func (this *CollapsedLn) GoString() string

func (*CollapsedLn) Marshal 

func (m *CollapsedLn) Marshal() (dAtA []byte, err error)

func (*CollapsedLn) MarshalTo 

func (m *CollapsedLn) MarshalTo(dAtA []byte) (int, error)

func (*CollapsedLn) MarshalToSizedBuffer 

func (m *CollapsedLn) MarshalToSizedBuffer(dAtA []byte) (int, error)

func (*CollapsedLn) ProtoMessage 

func (*CollapsedLn) ProtoMessage()

func (*CollapsedLn) Reset 

func (m *CollapsedLn) Reset()

func (*CollapsedLn) Size 

func (m *CollapsedLn) Size() (n int)

func (*CollapsedLn) String 

func (this *CollapsedLn) String() string

func (*CollapsedLn) Unmarshal 

func (m *CollapsedLn) Unmarshal(dAtA []byte) error

func (*CollapsedLn) XXX_DiscardUnknown 

func (m *CollapsedLn) XXX_DiscardUnknown()

func (*CollapsedLn) XXX_Marshal 

func (m *CollapsedLn) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*CollapsedLn) XXX_Merge 

func (m *CollapsedLn) XXX_Merge(src proto.Message)

func (*CollapsedLn) XXX_Size 

func (m *CollapsedLn) XXX_Size() int

func (*CollapsedLn) XXX_Unmarshal 

func (m *CollapsedLn) XXX_Unmarshal(b []byte) error

type InterceptedTrieNode 

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

InterceptedTrieNode implements intercepted data interface and is used when trie nodes are intercepted

func NewInterceptedTrieNode 

func NewInterceptedTrieNode(
	buff []byte,
	marshalizer marshal.Marshalizer,
	hasher hashing.Hasher,
) (*InterceptedTrieNode, error)

NewInterceptedTrieNode creates a new instance of InterceptedTrieNode

func (*InterceptedTrieNode) CheckValidity 

func (inTn *InterceptedTrieNode) CheckValidity() error

CheckValidity checks if the intercepted data is valid

func (*InterceptedTrieNode) CreateEndOfProcessingTriggerNode 

func (inTn *InterceptedTrieNode) CreateEndOfProcessingTriggerNode()

CreateEndOfProcessingTriggerNode changes the hash of the current node by appending the hash to the current hash. This construction will be used to trigger the end of processing for all of the received data

func (*InterceptedTrieNode) EncodedNode 

func (inTn *InterceptedTrieNode) EncodedNode() []byte

EncodedNode returns the intercepted encoded node

func (*InterceptedTrieNode) Hash 

func (inTn *InterceptedTrieNode) Hash() []byte

Hash returns the hash of the intercepted node

func (*InterceptedTrieNode) IsForCurrentShard 

func (inTn *InterceptedTrieNode) IsForCurrentShard() bool

IsForCurrentShard checks if the intercepted data is for the current shard

func (*InterceptedTrieNode) IsInterfaceNil 

func (inTn *InterceptedTrieNode) IsInterfaceNil() bool

IsInterfaceNil returns true if there is no value under the interface

func (*InterceptedTrieNode) Type 

func (inTn *InterceptedTrieNode) Type() string

Type returns the type of this intercepted data

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