chaintracker

package
v3.1.7-near-hf Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Sep 15, 2024 License: Apache-2.0 Imports: 31 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	BACKOFF_MAX_TIME = 10 * time.Minute

	GoodStabilityThreshold         = 0.3
	PollingUpdateLength            = 10
	MostFrequentPollingMultiplier  = 16
	LavaPollingMultiplierFrequency = 4
	PollingMultiplierFlagName      = "polling-multiplier"
)
View Source 
const (
	DefaultAssumedBlockMemory      = 20
	DefaultBlockCheckpointDistance = 100
)

Variables

View Source 
var (
	ErrInvalidLengthChainTracker        = fmt.Errorf("proto: negative length found during unmarshaling")
	ErrIntOverflowChainTracker          = fmt.Errorf("proto: integer overflow")
	ErrUnexpectedEndOfGroupChainTracker = fmt.Errorf("proto: unexpected end of group")
)
View Source 
var (
	InvalidConfigErrorBlocksToSave  = sdkerrors.New("Invalid blocks to save", 10701, "blocks to save wasn't defined in config")
	InvalidConfigBlockTime          = sdkerrors.New("Invalid average block time", 10702, "average block time wasn't defined in config")
	InvalidLatestBlockNumValue      = sdkerrors.New("Invalid value for latestBlockNum", 10703, "returned latest block num should be greater than 0, but it's not")
	InvalidReturnedHashes           = sdkerrors.New("Invalid value for requestedHashes length", 10704, "returned requestedHashes key count should be greater than 0, but it's not")
	ErrorFailedToFetchLatestBlock   = sdkerrors.New("Error FailedToFetchLatestBlock", 10705, "Failed to fetch latest block from node")
	InvalidRequestedBlocks          = sdkerrors.New("Error InvalidRequestedBlocks", 10706, "provided requested blocks for function do not compose a valid request")
	RequestedBlocksOutOfRange       = sdkerrors.New("RequestedBlocksOutOfRange", 10707, "requested blocks are outside the supported range by the state tracker")
	ErrorFailedToFetchTooEarlyBlock = sdkerrors.New("Error ErrorFailedToFetchTooEarlyBlock", 10708, "server memory protection triggered, requested block is too early")
	InvalidRequestedSpecificBlock   = sdkerrors.New("Error InvalidRequestedSpecificBlock", 10709, "provided requested specific blocks for function do not compose a stored entry")
)
View Source 
var PollingMultiplier = uint64(1)

Functions

func BuildProofFromBlocks 

func BuildProofFromBlocks(requestedHashes []*BlockStore) map[int64]interface{}

func FindRequestedBlockHash 

func FindRequestedBlockHash(requestedHashes []*BlockStore, requestBlock, toBlock, fromBlock int64, finalizedBlockHashes map[int64]interface{}) (requestedBlockHash []byte, finalizedBlockHashesMapRet map[int64]interface{})

func LatestArgToBlockNum 

func LatestArgToBlockNum(request, latestBlock int64) int64

func RegisterChainTrackerServiceServer 

func RegisterChainTrackerServiceServer(s grpc1.Server, srv ChainTrackerServiceServer)

Types

type BlockRange 

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

func NewBlockRange 

func NewBlockRange(fromBlock, toBlock, earliestBlockSaved, latestBlock int64) (br *BlockRange, err error)

func (*BlockRange) IsWanted 

func (br *BlockRange) IsWanted(blockNum int64) bool

func (*BlockRange) IterationIndexes 

func (br *BlockRange) IterationIndexes() []int

type BlockStore 

type BlockStore struct {
	Block int64  `protobuf:"varint,1,opt,name=block,proto3" json:"block,omitempty"`
	Hash  string `protobuf:"bytes,2,opt,name=hash,proto3" json:"hash,omitempty"`
}

func (*BlockStore) Descriptor 

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

func (*BlockStore) GetBlock 

func (m *BlockStore) GetBlock() int64

func (*BlockStore) GetHash 

func (m *BlockStore) GetHash() string

func (*BlockStore) Marshal 

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

func (*BlockStore) MarshalTo 

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

func (*BlockStore) MarshalToSizedBuffer 

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

func (*BlockStore) ProtoMessage 

func (*BlockStore) ProtoMessage()

func (*BlockStore) Reset 

func (m *BlockStore) Reset()

func (*BlockStore) Size 

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

func (*BlockStore) String 

func (m *BlockStore) String() string

func (*BlockStore) Unmarshal 

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

func (*BlockStore) XXX_DiscardUnknown 

func (m *BlockStore) XXX_DiscardUnknown()

func (*BlockStore) XXX_Marshal 

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

func (*BlockStore) XXX_Merge 

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

func (*BlockStore) XXX_Size 

func (m *BlockStore) XXX_Size() int

func (*BlockStore) XXX_Unmarshal 

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

type ChainFetcher 

type ChainFetcher interface {
	FetchLatestBlockNum(ctx context.Context) (int64, error)
	FetchBlockHashByNum(ctx context.Context, blockNum int64) (string, error)
	FetchEndpoint() lavasession.RPCProviderEndpoint
}

type ChainTracker 

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

func NewChainTracker 

func NewChainTracker(ctx context.Context, chainFetcher ChainFetcher, config ChainTrackerConfig) (chainTracker *ChainTracker, err error)

func (*ChainTracker) AddBlockGap 

func (ct *ChainTracker) AddBlockGap(newData time.Duration, blocks uint64)

func (*ChainTracker) GetAtomicLatestBlockNum 

func (cs *ChainTracker) GetAtomicLatestBlockNum() int64

func (*ChainTracker) GetLatestBlockData 

func (cs *ChainTracker) GetLatestBlockData(fromBlock, toBlock, specificBlock int64) (latestBlock int64, requestedHashes []*BlockStore, changeTime time.Time, err error)

this function returns block hashes of the blocks: [from block - to block] inclusive. an additional specific block hash can be provided. order is sorted ascending it supports requests for [spectypes.LATEST_BLOCK-distance1, spectypes.LATEST_BLOCK-distance2) spectypes.NOT_APPLICABLE in fromBlock or toBlock results in only returning specific block. if specific block is spectypes.NOT_APPLICABLE it is ignored

func (*ChainTracker) GetLatestBlockNum 

func (cs *ChainTracker) GetLatestBlockNum() (int64, time.Time)

func (*ChainTracker) RegisterForBlockTimeUpdates 

func (cs *ChainTracker) RegisterForBlockTimeUpdates(updatable blockTimeUpdatable)

func (*ChainTracker) StartAndServe added in v3.1.7 

func (ct *ChainTracker) StartAndServe(ctx context.Context) error

type ChainTrackerConfig 

type ChainTrackerConfig struct {
	ForkCallback             func(block int64)                                 // a function to be called when a fork is detected
	NewLatestCallback        func(blockFrom int64, blockTo int64, hash string) // a function to be called when a new block is detected
	ConsistencyCallback      func(oldBlock int64, block int64)
	OldBlockCallback         func(latestBlockTime time.Time)
	ServerAddress            string // if not empty will open up a grpc server for that address
	BlocksToSave             uint64
	AverageBlockTime         time.Duration // how often to query latest block
	ServerBlockMemory        uint64
	BlocksCheckpointDistance uint64 // this causes the chainTracker to trigger it's checkpoint every X blocks
	Pmetrics                 *metrics.ProviderMetricsManager
	PollingTimeMultiplier    int
}

type ChainTrackerService 

type ChainTrackerService struct {
	UnimplementedChainTrackerServiceServer
	ChainTracker *ChainTracker
}

func (*ChainTrackerService) GetLatestBlockData 

func (cts *ChainTrackerService) GetLatestBlockData(ctx context.Context, latestBlockData *LatestBlockData) (*LatestBlockDataResponse, error)

func (*ChainTrackerService) GetLatestBlockNum 

func (cts *ChainTrackerService) GetLatestBlockNum(context.Context, *empty.Empty) (*GetLatestBlockNumResponse, error)

type ChainTrackerServiceClient 

type ChainTrackerServiceClient interface {
	GetLatestBlockNum(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*GetLatestBlockNumResponse, error)
	GetLatestBlockData(ctx context.Context, in *LatestBlockData, opts ...grpc.CallOption) (*LatestBlockDataResponse, error)
}

ChainTrackerServiceClient is the client API for ChainTrackerService service.

For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.

func NewChainTrackerServiceClient 

func NewChainTrackerServiceClient(cc grpc1.ClientConn) ChainTrackerServiceClient

type ChainTrackerServiceServer 

type ChainTrackerServiceServer interface {
	GetLatestBlockNum(context.Context, *emptypb.Empty) (*GetLatestBlockNumResponse, error)
	GetLatestBlockData(context.Context, *LatestBlockData) (*LatestBlockDataResponse, error)
}

ChainTrackerServiceServer is the server API for ChainTrackerService service.

type GetLatestBlockNumResponse 

type GetLatestBlockNumResponse struct {
	Block     uint64 `protobuf:"varint,1,opt,name=block,proto3" json:"block,omitempty"`
	Timestamp int64  `protobuf:"varint,2,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
}

func (*GetLatestBlockNumResponse) Descriptor 

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

func (*GetLatestBlockNumResponse) GetBlock 

func (m *GetLatestBlockNumResponse) GetBlock() uint64

func (*GetLatestBlockNumResponse) GetTimestamp 

func (m *GetLatestBlockNumResponse) GetTimestamp() int64

func (*GetLatestBlockNumResponse) Marshal 

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

func (*GetLatestBlockNumResponse) MarshalTo 

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

func (*GetLatestBlockNumResponse) MarshalToSizedBuffer 

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

func (*GetLatestBlockNumResponse) ProtoMessage 

func (*GetLatestBlockNumResponse) ProtoMessage()

func (*GetLatestBlockNumResponse) Reset 

func (m *GetLatestBlockNumResponse) Reset()

func (*GetLatestBlockNumResponse) Size 

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

func (*GetLatestBlockNumResponse) String 

func (m *GetLatestBlockNumResponse) String() string

func (*GetLatestBlockNumResponse) Unmarshal 

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

func (*GetLatestBlockNumResponse) XXX_DiscardUnknown 

func (m *GetLatestBlockNumResponse) XXX_DiscardUnknown()

func (*GetLatestBlockNumResponse) XXX_Marshal 

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

func (*GetLatestBlockNumResponse) XXX_Merge 

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

func (*GetLatestBlockNumResponse) XXX_Size 

func (m *GetLatestBlockNumResponse) XXX_Size() int

func (*GetLatestBlockNumResponse) XXX_Unmarshal 

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

type LatestBlockData 

type LatestBlockData struct {
	FromBlock     int64 `protobuf:"varint,1,opt,name=fromBlock,proto3" json:"fromBlock,omitempty"`
	ToBlock       int64 `protobuf:"varint,2,opt,name=toBlock,proto3" json:"toBlock,omitempty"`
	SpecificBlock int64 `protobuf:"varint,3,opt,name=specificBlock,proto3" json:"specificBlock,omitempty"`
}

func (*LatestBlockData) Descriptor 

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

func (*LatestBlockData) GetFromBlock 

func (m *LatestBlockData) GetFromBlock() int64

func (*LatestBlockData) GetSpecificBlock 

func (m *LatestBlockData) GetSpecificBlock() int64

func (*LatestBlockData) GetToBlock 

func (m *LatestBlockData) GetToBlock() int64

func (*LatestBlockData) Marshal 

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

func (*LatestBlockData) MarshalTo 

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

func (*LatestBlockData) MarshalToSizedBuffer 

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

func (*LatestBlockData) ProtoMessage 

func (*LatestBlockData) ProtoMessage()

func (*LatestBlockData) Reset 

func (m *LatestBlockData) Reset()

func (*LatestBlockData) Size 

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

func (*LatestBlockData) String 

func (m *LatestBlockData) String() string

func (*LatestBlockData) Unmarshal 

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

func (*LatestBlockData) XXX_DiscardUnknown 

func (m *LatestBlockData) XXX_DiscardUnknown()

func (*LatestBlockData) XXX_Marshal 

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

func (*LatestBlockData) XXX_Merge 

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

func (*LatestBlockData) XXX_Size 

func (m *LatestBlockData) XXX_Size() int

func (*LatestBlockData) XXX_Unmarshal 

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

type LatestBlockDataResponse 

type LatestBlockDataResponse struct {
	LatestBlock     int64         `protobuf:"varint,1,opt,name=latestBlock,proto3" json:"latestBlock,omitempty"`
	RequestedHashes []*BlockStore `protobuf:"bytes,2,rep,name=requestedHashes,proto3" json:"requestedHashes,omitempty"`
}

func (*LatestBlockDataResponse) Descriptor 

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

func (*LatestBlockDataResponse) GetLatestBlock 

func (m *LatestBlockDataResponse) GetLatestBlock() int64

func (*LatestBlockDataResponse) GetRequestedHashes 

func (m *LatestBlockDataResponse) GetRequestedHashes() []*BlockStore

func (*LatestBlockDataResponse) Marshal 

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

func (*LatestBlockDataResponse) MarshalTo 

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

func (*LatestBlockDataResponse) MarshalToSizedBuffer 

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

func (*LatestBlockDataResponse) ProtoMessage 

func (*LatestBlockDataResponse) ProtoMessage()

func (*LatestBlockDataResponse) Reset 

func (m *LatestBlockDataResponse) Reset()

func (*LatestBlockDataResponse) Size 

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

func (*LatestBlockDataResponse) String 

func (m *LatestBlockDataResponse) String() string

func (*LatestBlockDataResponse) Unmarshal 

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

func (*LatestBlockDataResponse) XXX_DiscardUnknown 

func (m *LatestBlockDataResponse) XXX_DiscardUnknown()

func (*LatestBlockDataResponse) XXX_Marshal 

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

func (*LatestBlockDataResponse) XXX_Merge 

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

func (*LatestBlockDataResponse) XXX_Size 

func (m *LatestBlockDataResponse) XXX_Size() int

func (*LatestBlockDataResponse) XXX_Unmarshal 

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

type UnimplementedChainTrackerServiceServer 

type UnimplementedChainTrackerServiceServer struct {
}

UnimplementedChainTrackerServiceServer can be embedded to have forward compatible implementations.

func (*UnimplementedChainTrackerServiceServer) GetLatestBlockData 

func (*UnimplementedChainTrackerServiceServer) GetLatestBlockData(ctx context.Context, req *LatestBlockData) (*LatestBlockDataResponse, error)

func (*UnimplementedChainTrackerServiceServer) GetLatestBlockNum 

func (*UnimplementedChainTrackerServiceServer) GetLatestBlockNum(ctx context.Context, req *emptypb.Empty) (*GetLatestBlockNumResponse, error)

type WantedBlocksData 

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

func (*WantedBlocksData) IsWanted 

func (wbd *WantedBlocksData) IsWanted(blockNum int64) bool

func (*WantedBlocksData) IterationIndexes 

func (wbd *WantedBlocksData) IterationIndexes() (returnedIdxs []int)

func (*WantedBlocksData) New 

func (wbd *WantedBlocksData) New(fromBlock, toBlock, specificBlock, latestBlock, earliestBlockSaved int64) (err error)

func (*WantedBlocksData) String 

func (wbd *WantedBlocksData) String() string

Source Files

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