blocklog

package
v1.4.0-alpha.1 Latest Latest
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 Go to latest Published: Jul 11, 2024 License: Apache-2.0 Imports: 18 Imported by: 1

Documentation

Overview

in the blocklog core contract the VM keeps indices of blocks and requests in an optimized way for fast checking and timestamp access.

Index

Constants

View Source 
const (
	ParamBlockIndex                 = "n"
	ParamBlockInfo                  = "i"
	ParamContractHname              = "h"
	ParamFromBlock                  = "f"
	ParamToBlock                    = "t"
	ParamRequestID                  = "u"
	ParamRequestIndex               = "r"
	ParamRequestProcessed           = "p"
	ParamRequestRecord              = "d"
	ParamEvent                      = "e"
	ParamStateControllerAddress     = "s"
	ParamUnprocessableRequestExists = "x"
)

request parameters

View Source 
const (
	BlockInfoLatestSchemaVersion = 0
)
View Source 
const EventLookupKeyLength = 8
View Source 
const (
	// Array of blockIndex => BlockInfo (pruned)
	// Covered in: TestGetEvents
	PrefixBlockRegistry = "a"
)

Variables

View Source 
var (
	// Funcs
	FuncRetryUnprocessable = coreutil.Func("retryUnprocessable")

	// Views
	ViewGetBlockInfo               = coreutil.ViewFunc("getBlockInfo")
	ViewGetRequestIDsForBlock      = coreutil.ViewFunc("getRequestIDsForBlock")
	ViewGetRequestReceipt          = coreutil.ViewFunc("getRequestReceipt")
	ViewGetRequestReceiptsForBlock = coreutil.ViewFunc("getRequestReceiptsForBlock")
	ViewIsRequestProcessed         = coreutil.ViewFunc("isRequestProcessed")
	ViewGetEventsForRequest        = coreutil.ViewFunc("getEventsForRequest")
	ViewGetEventsForBlock          = coreutil.ViewFunc("getEventsForBlock")
	ViewHasUnprocessable           = coreutil.ViewFunc("hasUnprocessable")
)
View Source 
var (
	ErrUnprocessableAlreadyExist = coreerrors.Register("request does not exist on the unprocessable list").Create()
	ErrUnprocessableUnexpected   = coreerrors.Register("unexpected error getting unprocessable request from the state").Create()
	ErrUnprocessableWrongSender  = coreerrors.Register("unprocessable request sender does not match the retry sender").Create()
)
View Source 
var Contract = coreutil.NewContract(coreutil.CoreContractBlocklog)
View Source 
var ErrBlockNotFound = coreerrors.Register("Block not found").Create()
View Source 
var Processor = Contract.Processor(nil,
	ViewGetBlockInfo.WithHandler(viewGetBlockInfo),
	ViewGetEventsForBlock.WithHandler(viewGetEventsForBlock),
	ViewGetEventsForRequest.WithHandler(viewGetEventsForRequest),
	ViewGetRequestIDsForBlock.WithHandler(viewGetRequestIDsForBlock),
	ViewGetRequestReceipt.WithHandler(viewGetRequestReceipt),
	ViewGetRequestReceiptsForBlock.WithHandler(viewGetRequestReceiptsForBlock),
	ViewIsRequestProcessed.WithHandler(viewIsRequestProcessed),
	ViewHasUnprocessable.WithHandler(viewHasUnprocessable),

	FuncRetryUnprocessable.WithHandler(retryUnprocessable),
)

Functions

func BlockInfoKey added in v0.3.0 

func BlockInfoKey(index uint32) []byte

BlockInfoKey a key to access block info record inside SC state

func EventsFromViewResult added in v1.0.3 

func EventsFromViewResult(viewResult dict.Dict) (ret []*isc.Event, err error)

func GetEventsByBlockIndex added in v1.0.3 

func GetEventsByBlockIndex(partition kv.KVStoreReader, blockIndex uint32, totalRequests uint16) [][]byte

func GetOutputID added in v1.0.3 

func GetOutputID(stateR kv.KVStoreReader, stateIndex uint32, outputIndex uint16) (iotago.OutputID, bool)

func GetRequestIDsForBlock 

func GetRequestIDsForBlock(stateReader kv.KVStoreReader, blockIndex uint32) ([]isc.RequestID, error)

GetRequestIDsForBlock reads blocklog from chain state and returns request IDs settled in specific block Can only panic on DB error of internal error

func GetUnprocessable added in v1.0.3 

func GetUnprocessable(state kv.KVStoreReader, reqID isc.RequestID) (req isc.Request, outputID iotago.OutputID, err error)

func HasUnprocessable added in v1.0.3 

func HasUnprocessable(state kv.KVStoreReader, reqID isc.RequestID) bool

func HasUnprocessableRequestBeenRemovedInBlock added in v1.0.3 

func HasUnprocessableRequestBeenRemovedInBlock(block state.Block, requestID isc.RequestID) bool

func IsRequestProcessed 

func IsRequestProcessed(stateReader kv.KVStoreReader, requestID isc.RequestID) (bool, error)

IsRequestProcessed check if requestID is stored in the chain state as processed

func MustIsRequestProcessed added in v0.3.0 

func MustIsRequestProcessed(stateReader kv.KVStoreReader, reqid isc.RequestID) bool

func Prune added in v1.0.3 

func Prune(partition kv.KVStore, latestBlockIndex uint32, blockKeepAmount int32)

func RemoveUnprocessable added in v1.0.3 

func RemoveUnprocessable(state kv.KVStore, reqID isc.RequestID)

func RequestReceiptKey added in v0.3.0 

func RequestReceiptKey(rkey RequestLookupKey) []byte

func SaveEvent 

func SaveEvent(partition kv.KVStore, eventKey []byte, event *isc.Event)

func SaveNextBlockInfo 

func SaveNextBlockInfo(partition kv.KVStore, blockInfo *BlockInfo)

SaveNextBlockInfo appends block info and returns its index

func SaveRequestReceipt added in v0.3.0 

func SaveRequestReceipt(partition kv.KVStore, rec *RequestReceipt, key RequestLookupKey) error

SaveRequestReceipt appends request record to the record log and creates records for fast lookup

func SaveUnprocessable added in v1.0.3 

func SaveUnprocessable(state kv.KVStore, req isc.OnLedgerRequest, blockIndex uint32, outputIndex uint16)

save request reference / address of the sender

func SetInitialState added in v1.0.3 

func SetInitialState(s kv.KVStore)

func UnprocessableRequestsAddedInBlock added in v1.0.3 

func UnprocessableRequestsAddedInBlock(block state.Block) ([]isc.Request, error)

func UpdateLatestBlockInfo added in v0.3.0 

func UpdateLatestBlockInfo(partition kv.KVStore, anchorTxID iotago.TransactionID, aliasOutput *isc.AliasOutputWithID, l1commitment *state.L1Commitment)

UpdateLatestBlockInfo is called before producing the next block to save anchor tx id and commitment data of the previous one

Types

type BlockInfo 

type BlockInfo struct {
	SchemaVersion         uint8
	Timestamp             time.Time
	TotalRequests         uint16
	NumSuccessfulRequests uint16 // which didn't panic
	NumOffLedgerRequests  uint16
	PreviousAliasOutput   *isc.AliasOutputWithID // nil for block #0
	GasBurned             uint64
	GasFeeCharged         uint64
}

func BlockInfoFromBytes 

func BlockInfoFromBytes(data []byte) (*BlockInfo, error)

func GetBlockInfo added in v1.0.3 

func GetBlockInfo(partition kv.KVStoreReader, blockIndex uint32) (*BlockInfo, bool)

func GetRequestsInBlock added in v1.0.3 

func GetRequestsInBlock(partition kv.KVStoreReader, blockIndex uint32) (*BlockInfo, []isc.Request, error)

func (*BlockInfo) BlockIndex 

func (bi *BlockInfo) BlockIndex() uint32

func (*BlockInfo) Bytes 

func (bi *BlockInfo) Bytes() []byte

func (*BlockInfo) PreviousL1Commitment added in v0.3.0 

func (bi *BlockInfo) PreviousL1Commitment() *state.L1Commitment

func (*BlockInfo) Read 

func (bi *BlockInfo) Read(r io.Reader) error

func (*BlockInfo) RequestTimestamp 

func (bi *BlockInfo) RequestTimestamp(requestIndex uint16) time.Time

RequestTimestamp returns timestamp which corresponds to the request with the given index Timestamps of requests are incremented by 1 nanosecond in the block. The timestamp of the last one is equal to the timestamp pof the block

func (*BlockInfo) String 

func (bi *BlockInfo) String() string

func (*BlockInfo) Write 

func (bi *BlockInfo) Write(w io.Writer) error

type EventLookupKey 

type EventLookupKey [EventLookupKeyLength]byte

EventLookupKey is a globally unique reference to the event: block index + index of the request within block + index of the event within the request

func NewEventLookupKey 

func NewEventLookupKey(blockIndex uint32, requestIndex, eventIndex uint16) *EventLookupKey

func (*EventLookupKey) BlockIndex 

func (k *EventLookupKey) BlockIndex() uint32

func (*EventLookupKey) Bytes 

func (k *EventLookupKey) Bytes() []byte

func (*EventLookupKey) Read added in v1.0.3 

func (k *EventLookupKey) Read(r io.Reader) error

func (*EventLookupKey) RequestEventIndex 

func (k *EventLookupKey) RequestEventIndex() uint16

func (*EventLookupKey) RequestIndex 

func (k *EventLookupKey) RequestIndex() uint16

func (*EventLookupKey) Write 

func (k *EventLookupKey) Write(w io.Writer) error

type GetRequestReceiptResult added in v0.3.0 

type GetRequestReceiptResult struct {
	ReceiptBin   []byte
	BlockIndex   uint32
	RequestIndex uint16
}

func GetRequestRecordDataByRequestID added in v0.3.0 

func GetRequestRecordDataByRequestID(stateReader kv.KVStoreReader, reqID isc.RequestID) (*GetRequestReceiptResult, error)

GetRequestRecordDataByRequestID tries to obtain the receipt data for a given request returns nil if receipt was not found

type RequestLookupKey 

type RequestLookupKey [6]byte

RequestLookupReference globally unique reference to the request: block index and index of the request within block

func NewRequestLookupKey 

func NewRequestLookupKey(blockIndex uint32, requestIndex uint16) RequestLookupKey

func (*RequestLookupKey) BlockIndex 

func (k *RequestLookupKey) BlockIndex() uint32

func (*RequestLookupKey) Bytes 

func (k *RequestLookupKey) Bytes() []byte

func (*RequestLookupKey) Read 

func (k *RequestLookupKey) Read(r io.Reader) error

func (*RequestLookupKey) RequestIndex 

func (k *RequestLookupKey) RequestIndex() uint16

func (*RequestLookupKey) Write 

func (k *RequestLookupKey) Write(w io.Writer) error

type RequestLookupKeyList 

type RequestLookupKeyList []RequestLookupKey

RequestLookupKeyList a list of RequestLookupReference of requests with colliding isc.RequestLookupDigest

func RequestLookupKeyListFromBytes 

func RequestLookupKeyListFromBytes(data []byte) (ret RequestLookupKeyList, err error)

func (RequestLookupKeyList) Bytes 

func (ll RequestLookupKeyList) Bytes() []byte

type RequestReceipt 

type RequestReceipt struct {
	Request       isc.Request            `json:"request"`
	Error         *isc.UnresolvedVMError `json:"error"`
	GasBudget     uint64                 `json:"gasBudget"`
	GasBurned     uint64                 `json:"gasBurned"`
	GasFeeCharged uint64                 `json:"gasFeeCharged"`
	SDCharged     uint64                 `json:"storageDepositCharged"`
	// not persistent
	BlockIndex   uint32       `json:"blockIndex"`
	RequestIndex uint16       `json:"requestIndex"`
	GasBurnLog   *gas.BurnLog `json:"-"`
}

RequestReceipt represents log record of processed request on the chain

func GetRequestReceipt added in v1.0.3 

func GetRequestReceipt(stateReader kv.KVStoreReader, requestID isc.RequestID) (*RequestReceipt, error)

GetRequestReceipt returns the receipt for the given request, or nil if not found

func ReceiptsFromViewCallResult added in v1.0.3 

func ReceiptsFromViewCallResult(res dict.Dict) ([]*RequestReceipt, error)

func RequestReceiptFromBytes 

func RequestReceiptFromBytes(data []byte, blockIndex uint32, reqIndex uint16) (*RequestReceipt, error)

func RequestReceiptsFromBlock added in v1.0.3 

func RequestReceiptsFromBlock(block state.Block) ([]*RequestReceipt, error)

func (*RequestReceipt) Bytes 

func (rec *RequestReceipt) Bytes() []byte

func (*RequestReceipt) LookupKey added in v0.3.0 

func (rec *RequestReceipt) LookupKey() RequestLookupKey

func (*RequestReceipt) Read added in v1.0.3 

func (rec *RequestReceipt) Read(r io.Reader) error

func (*RequestReceipt) Short 

func (rec *RequestReceipt) Short() string

func (*RequestReceipt) String 

func (rec *RequestReceipt) String() string

func (*RequestReceipt) ToISCReceipt added in v0.3.0 

func (rec *RequestReceipt) ToISCReceipt(resolvedError *isc.VMError) *isc.Receipt

func (*RequestReceipt) Write added in v1.0.3 

func (rec *RequestReceipt) Write(w io.Writer) error

type StateAccess added in v1.0.3 

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

func NewStateAccess added in v1.0.3 

func NewStateAccess(store kv.KVStoreReader) *StateAccess

func (*StateAccess) BlockInfo added in v1.0.3 

func (sa *StateAccess) BlockInfo(blockIndex uint32) (*BlockInfo, bool)

func (*StateAccess) GetSmartContractEvents added in v1.3.0 

func (sa *StateAccess) GetSmartContractEvents(contractID isc.Hname, fromBlock, toBlock uint32) dict.Dict

Source Files

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