ceremonyclient/node/store/clock.go
Cassandra Heart 2e2a1e4789
v1.2.0 (#31)
2024-01-03 01:31:42 -06:00

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package store
import (
"bytes"
"encoding/binary"
"fmt"
"math/big"
"sort"
"github.com/cockroachdb/pebble"
"github.com/iden3/go-iden3-crypto/poseidon"
"github.com/pkg/errors"
"go.uber.org/zap"
"google.golang.org/protobuf/proto"
"source.quilibrium.com/quilibrium/monorepo/node/protobufs"
"source.quilibrium.com/quilibrium/monorepo/node/tries"
)
type ClockStore interface {
NewTransaction() (Transaction, error)
GetLatestMasterClockFrame(filter []byte) (*protobufs.ClockFrame, error)
GetEarliestMasterClockFrame(filter []byte) (*protobufs.ClockFrame, error)
GetMasterClockFrame(
filter []byte,
frameNumber uint64,
) (*protobufs.ClockFrame, error)
RangeMasterClockFrames(
filter []byte,
startFrameNumber uint64,
endFrameNumber uint64,
) (*PebbleMasterClockIterator, error)
PutMasterClockFrame(frame *protobufs.ClockFrame, txn Transaction) error
GetLatestDataClockFrame(
filter []byte,
proverTrie *tries.RollingFrecencyCritbitTrie,
) (*protobufs.ClockFrame, error)
GetEarliestDataClockFrame(filter []byte) (*protobufs.ClockFrame, error)
GetDataClockFrame(
filter []byte,
frameNumber uint64,
) (*protobufs.ClockFrame, *tries.RollingFrecencyCritbitTrie, error)
RangeDataClockFrames(
filter []byte,
startFrameNumber uint64,
endFrameNumber uint64,
) (*PebbleClockIterator, error)
PutDataClockFrame(
frame *protobufs.ClockFrame,
proverTrie *tries.RollingFrecencyCritbitTrie,
txn Transaction,
backfill bool,
) error
PutCandidateDataClockFrame(
parentSelector []byte,
distance []byte,
selector []byte,
frame *protobufs.ClockFrame,
txn Transaction,
) error
GetCandidateDataClockFrames(
filter []byte,
frameNumber uint64,
) ([]*protobufs.ClockFrame, error)
GetParentDataClockFrame(
filter []byte,
frameNumber uint64,
parentSelector []byte,
) (*protobufs.ClockFrame, error)
RangeCandidateDataClockFrames(
filter []byte,
parent []byte,
frameNumber uint64,
) (*PebbleCandidateClockIterator, error)
GetLeadingCandidateDataClockFrame(
filter []byte,
parent []byte,
frameNumber uint64,
) (*protobufs.ClockFrame, error)
Deduplicate(filter []byte) error
GetCompressedDataClockFrames(
filter []byte,
fromFrameNumber uint64,
toFrameNumber uint64,
) (*protobufs.CeremonyCompressedSync, error)
SetLatestDataClockFrameNumber(
filter []byte,
frameNumber uint64,
) error
DeleteCandidateDataClockFrameRange(
filter []byte,
fromFrameNumber uint64,
toFrameNumber uint64,
) error
GetHighestCandidateDataClockFrame(
filter []byte,
) (*protobufs.ClockFrame, error)
}
type PebbleClockStore struct {
db KVDB
logger *zap.Logger
}
var _ ClockStore = (*PebbleClockStore)(nil)
type PebbleMasterClockIterator struct {
i Iterator
}
type PebbleClockIterator struct {
i Iterator
db *PebbleClockStore
}
type PebbleCandidateClockIterator struct {
i Iterator
db *PebbleClockStore
}
var _ TypedIterator[*protobufs.ClockFrame] = (*PebbleMasterClockIterator)(nil)
var _ TypedIterator[*protobufs.ClockFrame] = (*PebbleClockIterator)(nil)
var _ TypedIterator[*protobufs.ClockFrame] = (*PebbleCandidateClockIterator)(nil)
func (p *PebbleMasterClockIterator) First() bool {
return p.i.First()
}
func (p *PebbleMasterClockIterator) Next() bool {
return p.i.Next()
}
func (p *PebbleMasterClockIterator) Valid() bool {
return p.i.Valid()
}
func (p *PebbleMasterClockIterator) Value() (*protobufs.ClockFrame, error) {
if !p.i.Valid() {
return nil, ErrNotFound
}
key := p.i.Key()
value := p.i.Value()
frame := &protobufs.ClockFrame{}
frameNumber, filter, err := extractFrameNumberAndFilterFromMasterFrameKey(key)
if err != nil {
return nil, errors.Wrap(err, "get master clock frame iterator value")
}
frame.FrameNumber = frameNumber
frame.Filter = make([]byte, len(filter))
copy(frame.Filter, filter)
if len(value) < 521 {
return nil, errors.Wrap(
ErrInvalidData,
"get master clock frame iterator value",
)
}
copied := make([]byte, len(value))
copy(copied, value)
frame.Difficulty = binary.BigEndian.Uint32(copied[:4])
frame.Input = copied[4 : len(copied)-516]
frame.Output = copied[len(copied)-516:]
previousSelectorBytes := [516]byte{}
copy(previousSelectorBytes[:], frame.Input[:516])
parent, err := poseidon.HashBytes(previousSelectorBytes[:])
if err != nil {
return nil, errors.Wrap(err, "get master clock frame iterator value")
}
frame.ParentSelector = parent.FillBytes(make([]byte, 32))
return frame, nil
}
func (p *PebbleMasterClockIterator) Close() error {
return errors.Wrap(p.i.Close(), "closing master clock iterator")
}
func (p *PebbleClockIterator) First() bool {
return p.i.First()
}
func (p *PebbleClockIterator) Next() bool {
return p.i.Next()
}
func (p *PebbleClockIterator) Prev() bool {
return p.i.Prev()
}
func (p *PebbleClockIterator) Valid() bool {
return p.i.Valid()
}
func (p *PebbleClockIterator) TruncatedValue() (
*protobufs.ClockFrame,
error,
) {
if !p.i.Valid() {
return nil, ErrNotFound
}
value := p.i.Value()
frame := &protobufs.ClockFrame{}
if err := proto.Unmarshal(value, frame); err != nil {
return nil, errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"get candidate clock frame iterator value",
)
}
return frame, nil
}
func (p *PebbleClockIterator) Value() (*protobufs.ClockFrame, error) {
if !p.i.Valid() {
return nil, ErrNotFound
}
value := p.i.Value()
frame := &protobufs.ClockFrame{}
if err := proto.Unmarshal(value, frame); err != nil {
return nil, errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"get clock frame iterator value",
)
}
if err := p.db.fillAggregateProofs(frame); err != nil {
return nil, errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"get clock frame iterator value",
)
}
return frame, nil
}
func (p *PebbleClockIterator) Close() error {
return errors.Wrap(p.i.Close(), "closing clock frame iterator")
}
func (p *PebbleCandidateClockIterator) First() bool {
return p.i.First()
}
func (p *PebbleCandidateClockIterator) Next() bool {
return p.i.Next()
}
func (p *PebbleCandidateClockIterator) Valid() bool {
return p.i.Valid()
}
func (p *PebbleCandidateClockIterator) TruncatedValue() (
*protobufs.ClockFrame,
error,
) {
if !p.i.Valid() {
return nil, ErrNotFound
}
value := p.i.Value()
frame := &protobufs.ClockFrame{}
if err := proto.Unmarshal(value, frame); err != nil {
return nil, errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"get candidate clock frame iterator value",
)
}
return frame, nil
}
func (p *PebbleCandidateClockIterator) Value() (*protobufs.ClockFrame, error) {
if !p.i.Valid() {
return nil, ErrNotFound
}
value := p.i.Value()
frame := &protobufs.ClockFrame{}
if err := proto.Unmarshal(value, frame); err != nil {
return nil, errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"get candidate clock frame iterator value",
)
}
if err := p.db.fillAggregateProofs(frame); err != nil {
return nil, errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"get clock frame iterator value",
)
}
return frame, nil
}
func (p *PebbleCandidateClockIterator) Close() error {
return errors.Wrap(p.i.Close(), "closing candidate clock frame iterator")
}
func NewPebbleClockStore(db KVDB, logger *zap.Logger) *PebbleClockStore {
return &PebbleClockStore{
db,
logger,
}
}
const CLOCK_FRAME = 0x00
const CLOCK_MASTER_FRAME_DATA = 0x00
const CLOCK_DATA_FRAME_DATA = 0x01
const CLOCK_DATA_FRAME_CANDIDATE_DATA = 0x02
const CLOCK_DATA_FRAME_FRECENCY_DATA = 0x03
const CLOCK_MASTER_FRAME_INDEX_EARLIEST = 0x10 | CLOCK_MASTER_FRAME_DATA
const CLOCK_MASTER_FRAME_INDEX_LATEST = 0x20 | CLOCK_MASTER_FRAME_DATA
const CLOCK_MASTER_FRAME_INDEX_PARENT = 0x30 | CLOCK_MASTER_FRAME_DATA
const CLOCK_DATA_FRAME_INDEX_EARLIEST = 0x10 | CLOCK_DATA_FRAME_DATA
const CLOCK_DATA_FRAME_INDEX_LATEST = 0x20 | CLOCK_DATA_FRAME_DATA
const CLOCK_DATA_FRAME_INDEX_PARENT = 0x30 | CLOCK_DATA_FRAME_DATA
//
// DB Keys
//
// Keys are structured as:
// <core type><sub type | index>[<non-index increment>]<segment>
// Increment necessarily must be full width elsewise the frame number would
// easily produce conflicts if filters are stepped by byte:
// 0x01 || 0xffff == 0x01ff || 0xff
//
// Master frames are serialized as output data only, Data frames are raw
// protobufs for fast disk-to-network output.
func clockFrameKey(filter []byte, frameNumber uint64, frameType byte) []byte {
key := []byte{CLOCK_FRAME, frameType}
key = binary.BigEndian.AppendUint64(key, frameNumber)
key = append(key, filter...)
return key
}
func clockMasterFrameKey(filter []byte, frameNumber uint64) []byte {
return clockFrameKey(filter, frameNumber, CLOCK_MASTER_FRAME_DATA)
}
func extractFrameNumberAndFilterFromMasterFrameKey(
key []byte,
) (uint64, []byte, error) {
if len(key) < 11 {
return 0, nil, errors.Wrap(
ErrInvalidData,
"extract frame number and filter from master frame key",
)
}
copied := make([]byte, len(key))
copy(copied, key)
return binary.BigEndian.Uint64(copied[2:10]), copied[10:], nil
}
func clockDataFrameKey(
filter []byte,
frameNumber uint64,
) []byte {
return clockFrameKey(filter, frameNumber, CLOCK_DATA_FRAME_DATA)
}
func clockLatestIndex(filter []byte, frameType byte) []byte {
key := []byte{CLOCK_FRAME, frameType}
key = append(key, filter...)
return key
}
func clockMasterLatestIndex(filter []byte) []byte {
return clockLatestIndex(filter, CLOCK_MASTER_FRAME_INDEX_LATEST)
}
func clockDataLatestIndex(filter []byte) []byte {
return clockLatestIndex(filter, CLOCK_DATA_FRAME_INDEX_LATEST)
}
func clockEarliestIndex(filter []byte, frameType byte) []byte {
key := []byte{CLOCK_FRAME, frameType}
key = append(key, filter...)
return key
}
func clockMasterEarliestIndex(filter []byte) []byte {
return clockEarliestIndex(filter, CLOCK_MASTER_FRAME_INDEX_EARLIEST)
}
func clockDataEarliestIndex(filter []byte) []byte {
return clockEarliestIndex(filter, CLOCK_DATA_FRAME_INDEX_EARLIEST)
}
func clockParentIndexKey(
filter []byte,
frameNumber uint64,
selector []byte,
frameType byte,
) []byte {
key := []byte{CLOCK_FRAME, frameType}
key = binary.BigEndian.AppendUint64(key, frameNumber)
key = append(key, filter...)
key = append(key, rightAlign(selector, 32)...)
return key
}
func clockDataParentIndexKey(
filter []byte,
frameNumber uint64,
selector []byte,
) []byte {
return clockParentIndexKey(
filter,
frameNumber,
rightAlign(selector, 32),
CLOCK_DATA_FRAME_INDEX_PARENT,
)
}
func clockDataCandidateFrameKey(
filter []byte,
frameNumber uint64,
parent []byte,
distance []byte,
) []byte {
key := []byte{CLOCK_FRAME, CLOCK_DATA_FRAME_CANDIDATE_DATA}
key = binary.BigEndian.AppendUint64(key, frameNumber)
key = append(key, filter...)
key = append(key, rightAlign(parent, 32)...)
key = append(key, rightAlign(distance, 32)...)
return key
}
func clockProverTrieKey(filter []byte, frameNumber uint64) []byte {
key := []byte{CLOCK_FRAME, CLOCK_DATA_FRAME_FRECENCY_DATA}
key = binary.BigEndian.AppendUint64(key, frameNumber)
key = append(key, filter...)
return key
}
func (p *PebbleClockStore) NewTransaction() (Transaction, error) {
return p.db.NewBatch(), nil
}
// GetEarliestMasterClockFrame implements ClockStore.
func (p *PebbleClockStore) GetEarliestMasterClockFrame(
filter []byte,
) (*protobufs.ClockFrame, error) {
idxValue, closer, err := p.db.Get(clockMasterEarliestIndex(filter))
if err != nil {
if errors.Is(err, pebble.ErrNotFound) {
return nil, ErrNotFound
}
return nil, errors.Wrap(err, "get earliest master clock frame")
}
defer closer.Close()
frameNumber := binary.BigEndian.Uint64(idxValue)
frame, err := p.GetMasterClockFrame(filter, frameNumber)
if err != nil {
return nil, errors.Wrap(err, "get earliest master clock frame")
}
return frame, nil
}
// GetLatestMasterClockFrame implements ClockStore.
func (p *PebbleClockStore) GetLatestMasterClockFrame(
filter []byte,
) (*protobufs.ClockFrame, error) {
idxValue, closer, err := p.db.Get(clockMasterLatestIndex(filter))
if err != nil {
if errors.Is(err, pebble.ErrNotFound) {
return nil, ErrNotFound
}
return nil, errors.Wrap(err, "get latest master clock frame")
}
defer closer.Close()
frameNumber := binary.BigEndian.Uint64(idxValue)
frame, err := p.GetMasterClockFrame(filter, frameNumber)
if err != nil {
return nil, errors.Wrap(err, "get latest master clock frame")
}
return frame, nil
}
// GetMasterClockFrame implements ClockStore.
func (p *PebbleClockStore) GetMasterClockFrame(
filter []byte,
frameNumber uint64,
) (*protobufs.ClockFrame, error) {
value, closer, err := p.db.Get(clockMasterFrameKey(filter, frameNumber))
if err != nil {
if errors.Is(err, pebble.ErrNotFound) {
return nil, ErrNotFound
}
return nil, errors.Wrap(err, "get master clock frame")
}
copied := make([]byte, len(value))
copy(copied[:], value[:])
defer closer.Close()
frame := &protobufs.ClockFrame{}
frame.FrameNumber = frameNumber
frame.Filter = filter
frame.Difficulty = binary.BigEndian.Uint32(copied[:4])
frame.Input = copied[4 : len(copied)-516]
frame.Output = copied[len(copied)-516:]
previousSelectorBytes := [516]byte{}
copy(previousSelectorBytes[:], frame.Input[:516])
parent, err := poseidon.HashBytes(previousSelectorBytes[:])
if err != nil {
return nil, errors.Wrap(err, "get master clock frame")
}
frame.ParentSelector = parent.FillBytes(make([]byte, 32))
return frame, nil
}
// RangeMasterClockFrames implements ClockStore.
func (p *PebbleClockStore) RangeMasterClockFrames(
filter []byte,
startFrameNumber uint64,
endFrameNumber uint64,
) (*PebbleMasterClockIterator, error) {
if startFrameNumber > endFrameNumber {
temp := endFrameNumber
endFrameNumber = startFrameNumber
startFrameNumber = temp
}
iter, err := p.db.NewIter(
clockMasterFrameKey(filter, startFrameNumber),
clockMasterFrameKey(filter, endFrameNumber),
)
if err != nil {
return nil, errors.Wrap(err, "range master clock frames")
}
return &PebbleMasterClockIterator{i: iter}, nil
}
// PutMasterClockFrame implements ClockStore.
func (p *PebbleClockStore) PutMasterClockFrame(
frame *protobufs.ClockFrame,
txn Transaction,
) error {
data := binary.BigEndian.AppendUint32([]byte{}, frame.Difficulty)
data = append(data, frame.Input...)
data = append(data, frame.Output...)
frameNumberBytes := make([]byte, 8)
binary.BigEndian.PutUint64(frameNumberBytes, frame.FrameNumber)
if err := txn.Set(
clockMasterFrameKey(frame.Filter, frame.FrameNumber),
data,
); err != nil {
return errors.Wrap(err, "put master clock frame")
}
_, closer, err := p.db.Get(clockMasterEarliestIndex(frame.Filter))
if err != nil {
if !errors.Is(err, pebble.ErrNotFound) {
return errors.Wrap(err, "put master clock frame")
}
if err = txn.Set(
clockMasterEarliestIndex(frame.Filter),
frameNumberBytes,
); err != nil {
return errors.Wrap(err, "put master clock frame")
}
}
if err == nil && closer != nil {
closer.Close()
}
if err = txn.Set(
clockMasterLatestIndex(frame.Filter),
frameNumberBytes,
); err != nil {
return errors.Wrap(err, "put master clock frame")
}
return nil
}
// GetDataClockFrame implements ClockStore.
func (p *PebbleClockStore) GetDataClockFrame(
filter []byte,
frameNumber uint64,
) (*protobufs.ClockFrame, *tries.RollingFrecencyCritbitTrie, error) {
value, closer, err := p.db.Get(clockDataFrameKey(filter, frameNumber))
if err != nil {
if errors.Is(err, pebble.ErrNotFound) {
return nil, nil, ErrNotFound
}
return nil, nil, errors.Wrap(err, "get data clock frame")
}
defer closer.Close()
frame := &protobufs.ClockFrame{}
if err := proto.Unmarshal(value, frame); err != nil {
return nil, nil, errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"get data clock frame",
)
}
if err = p.fillAggregateProofs(frame); err != nil {
return nil, nil, errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"get data clock frame",
)
}
proverTrie := &tries.RollingFrecencyCritbitTrie{}
trieData, closer, err := p.db.Get(clockProverTrieKey(filter, frameNumber))
if err != nil {
return nil, nil, errors.Wrap(err, "get latest data clock frame")
}
defer closer.Close()
if err := proverTrie.Deserialize(trieData); err != nil {
return nil, nil, errors.Wrap(err, "get latest data clock frame")
}
return frame, proverTrie, nil
}
func (p *PebbleClockStore) fillAggregateProofs(
frame *protobufs.ClockFrame,
) error {
if frame.FrameNumber == 0 {
return nil
}
for i := 0; i < len(frame.Input[516:])/74; i++ {
commit := frame.Input[516+(i*74) : 516+((i+1)*74)]
ap, err := internalGetAggregateProof(
p.db,
frame.Filter,
commit,
frame.FrameNumber,
func(typeUrl string, data [][]byte) ([]byte, error) {
if typeUrl == protobufs.IntrinsicExecutionOutputType {
o := &protobufs.IntrinsicExecutionOutput{}
copiedLeft := make([]byte, len(data[0]))
copiedRight := make([]byte, len(data[1]))
copy(copiedLeft, data[0])
copy(copiedRight, data[1])
o.Address = copiedLeft[:32]
o.Output = copiedLeft[32:]
o.Proof = copiedRight
return proto.Marshal(o)
}
copied := make([]byte, len(data[0]))
copy(copied, data[0])
return copied, nil
},
)
if err != nil {
return err
}
frame.AggregateProofs = append(frame.AggregateProofs, ap)
}
return nil
}
func (p *PebbleClockStore) saveAggregateProofs(
txn Transaction,
frame *protobufs.ClockFrame,
) error {
shouldClose := false
if txn == nil {
var err error
txn, err = p.NewTransaction()
if err != nil {
return err
}
shouldClose = true
}
for i := 0; i < len(frame.Input[516:])/74; i++ {
commit := frame.Input[516+(i*74) : 516+((i+1)*74)]
err := internalPutAggregateProof(
p.db,
txn,
frame.AggregateProofs[i],
commit, func(typeUrl string, data []byte) ([][]byte, error) {
if typeUrl == protobufs.IntrinsicExecutionOutputType {
o := &protobufs.IntrinsicExecutionOutput{}
if err := proto.Unmarshal(data, o); err != nil {
return nil, err
}
leftBits := append([]byte{}, o.Address...)
leftBits = append(leftBits, o.Output...)
rightBits := o.Proof
return [][]byte{leftBits, rightBits}, nil
}
return [][]byte{data}, nil
})
if err != nil {
if err = txn.Abort(); err != nil {
return err
}
}
}
if shouldClose {
txn.Commit()
}
return nil
}
// GetEarliestDataClockFrame implements ClockStore.
func (p *PebbleClockStore) GetEarliestDataClockFrame(
filter []byte,
) (*protobufs.ClockFrame, error) {
idxValue, closer, err := p.db.Get(clockDataEarliestIndex(filter))
if err != nil {
if errors.Is(err, pebble.ErrNotFound) {
return nil, ErrNotFound
}
return nil, errors.Wrap(err, "get earliest data clock frame")
}
defer closer.Close()
frameNumber := binary.BigEndian.Uint64(idxValue)
frame, _, err := p.GetDataClockFrame(filter, frameNumber)
if err != nil {
return nil, errors.Wrap(err, "get earliest data clock frame")
}
return frame, nil
}
// GetLatestDataClockFrame implements ClockStore.
func (p *PebbleClockStore) GetLatestDataClockFrame(
filter []byte,
proverTrie *tries.RollingFrecencyCritbitTrie,
) (*protobufs.ClockFrame, error) {
idxValue, closer, err := p.db.Get(clockDataLatestIndex(filter))
if err != nil {
if errors.Is(err, pebble.ErrNotFound) {
return nil, ErrNotFound
}
return nil, errors.Wrap(err, "get latest data clock frame")
}
frameNumber := binary.BigEndian.Uint64(idxValue)
frame, _, err := p.GetDataClockFrame(filter, frameNumber)
if err != nil {
return nil, errors.Wrap(err, "get latest data clock frame")
}
closer.Close()
if proverTrie != nil {
trieData, closer, err := p.db.Get(clockProverTrieKey(filter, frameNumber))
if err != nil {
return nil, errors.Wrap(err, "get latest data clock frame")
}
defer closer.Close()
if err := proverTrie.Deserialize(trieData); err != nil {
return nil, errors.Wrap(err, "get latest data clock frame")
}
}
return frame, nil
}
// GetLeadingCandidateDataClockFrame implements ClockStore.
func (p *PebbleClockStore) GetLeadingCandidateDataClockFrame(
filter []byte,
parent []byte,
frameNumber uint64,
) (*protobufs.ClockFrame, error) {
iter, err := p.RangeCandidateDataClockFrames(filter, parent, frameNumber)
if err != nil {
return nil, errors.Wrap(err, "get leading candidate data clock frame")
}
if !iter.First() {
return nil, ErrNotFound
}
defer iter.Close()
frame, err := iter.Value()
return frame, errors.Wrap(err, "get leading candidate data clock frame")
}
// GetParentDataClockFrame implements ClockStore.
func (p *PebbleClockStore) GetParentDataClockFrame(
filter []byte,
frameNumber uint64,
parentSelector []byte,
) (*protobufs.ClockFrame, error) {
data, closer, err := p.db.Get(
clockDataParentIndexKey(filter, frameNumber, parentSelector),
)
if err != nil {
return nil, errors.Wrap(err, "get parent data clock frame")
}
parent := &protobufs.ClockFrame{}
if err := proto.Unmarshal(data, parent); err != nil {
return nil, errors.Wrap(err, "get parent data clock frame")
}
if err := p.fillAggregateProofs(parent); err != nil {
return nil, errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"get clock frame iterator value",
)
}
if closer != nil {
closer.Close()
}
return parent, nil
}
// PutCandidateDataClockFrame implements ClockStore.
func (p *PebbleClockStore) PutCandidateDataClockFrame(
parentSelector []byte,
distance []byte,
selector []byte,
frame *protobufs.ClockFrame,
txn Transaction,
) error {
if err := p.saveAggregateProofs(txn, frame); err != nil {
return errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"put candidate data clock frame",
)
}
temp := append(
[]*protobufs.InclusionAggregateProof{},
frame.AggregateProofs...,
)
frame.AggregateProofs = []*protobufs.InclusionAggregateProof{}
data, err := proto.Marshal(frame)
if err != nil {
return errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"put candidate data clock frame",
)
}
frame.AggregateProofs = temp
if err = txn.Set(
clockDataCandidateFrameKey(
frame.Filter,
frame.FrameNumber,
frame.ParentSelector,
distance,
),
data,
); err != nil {
return errors.Wrap(err, "put candidate data clock frame")
}
if err = txn.Set(
clockDataParentIndexKey(
frame.Filter,
frame.FrameNumber,
selector,
),
data,
); err != nil {
return errors.Wrap(err, "put candidate data clock frame")
}
return nil
}
// PutDataClockFrame implements ClockStore.
func (p *PebbleClockStore) PutDataClockFrame(
frame *protobufs.ClockFrame,
proverTrie *tries.RollingFrecencyCritbitTrie,
txn Transaction,
backfill bool,
) error {
if frame.FrameNumber != 0 {
if err := p.saveAggregateProofs(txn, frame); err != nil {
return errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"put candidate data clock frame",
)
}
}
temp := append(
[]*protobufs.InclusionAggregateProof{},
frame.AggregateProofs...,
)
if frame.FrameNumber != 0 {
frame.AggregateProofs = []*protobufs.InclusionAggregateProof{}
}
data, err := proto.Marshal(frame)
if err != nil {
return errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"put data clock frame",
)
}
if frame.FrameNumber != 0 {
frame.AggregateProofs = temp
}
frameNumberBytes := make([]byte, 8)
binary.BigEndian.PutUint64(frameNumberBytes, frame.FrameNumber)
if err = txn.Set(
clockDataFrameKey(frame.Filter, frame.FrameNumber),
data,
); err != nil {
return errors.Wrap(err, "put data clock frame")
}
proverData, err := proverTrie.Serialize()
if err != nil {
return errors.Wrap(err, "put data clock frame")
}
if err = txn.Set(
clockProverTrieKey(frame.Filter, frame.FrameNumber),
proverData,
); err != nil {
return errors.Wrap(err, "put data clock frame")
}
_, closer, err := p.db.Get(clockDataEarliestIndex(frame.Filter))
if err != nil {
if !errors.Is(err, pebble.ErrNotFound) {
return errors.Wrap(err, "put data clock frame")
}
if err = txn.Set(
clockDataEarliestIndex(frame.Filter),
frameNumberBytes,
); err != nil {
return errors.Wrap(err, "put data clock frame")
}
}
if err == nil && closer != nil {
closer.Close()
}
if !backfill {
if err = txn.Set(
clockDataLatestIndex(frame.Filter),
frameNumberBytes,
); err != nil {
return errors.Wrap(err, "put data clock frame")
}
}
return nil
}
// GetCandidateDataClockFrames implements ClockStore.
// Distance is 32-byte aligned, so we just use a 0x00 * 32 -> 0xff * 32 range
func (p *PebbleClockStore) GetCandidateDataClockFrames(
filter []byte,
frameNumber uint64,
) ([]*protobufs.ClockFrame, error) {
iter, err := p.db.NewIter(
clockDataCandidateFrameKey(
filter,
frameNumber,
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
),
clockDataCandidateFrameKey(
filter,
frameNumber,
[]byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
[]byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
),
)
if err != nil {
return nil, errors.Wrap(err, "get candidate data clock frames")
}
frames := []*protobufs.ClockFrame{}
i := &PebbleCandidateClockIterator{i: iter, db: p}
for i.First(); i.Valid(); i.Next() {
value, err := i.Value()
if err != nil {
return nil, errors.Wrap(err, "get candidate data clock frames")
}
frames = append(frames, value)
}
if err := i.Close(); err != nil {
return nil, errors.Wrap(err, "get candidate data clock frames")
}
return frames, nil
}
// RangeCandidateDataClockFrames implements ClockStore.
// Distance is 32-byte aligned, so we just use a 0x00 * 32 -> 0xff * 32 range
func (p *PebbleClockStore) RangeCandidateDataClockFrames(
filter []byte,
parent []byte,
frameNumber uint64,
) (*PebbleCandidateClockIterator, error) {
fromParent := rightAlign(parent, 32)
toParent := rightAlign(parent, 32)
if bytes.Equal(parent, []byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
}) {
toParent = []byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
}
}
iter, err := p.db.NewIter(
clockDataCandidateFrameKey(
filter,
frameNumber,
fromParent,
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
),
clockDataCandidateFrameKey(
filter,
frameNumber,
toParent,
[]byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
),
)
if err != nil {
return nil, errors.Wrap(err, "range candidate data clock frames")
}
return &PebbleCandidateClockIterator{i: iter, db: p}, nil
}
// RangeDataClockFrames implements ClockStore.
func (p *PebbleClockStore) RangeDataClockFrames(
filter []byte,
startFrameNumber uint64,
endFrameNumber uint64,
) (*PebbleClockIterator, error) {
if startFrameNumber > endFrameNumber {
temp := endFrameNumber
endFrameNumber = startFrameNumber
startFrameNumber = temp
}
iter, err := p.db.NewIter(
clockDataFrameKey(filter, startFrameNumber),
clockDataFrameKey(filter, endFrameNumber),
)
if err != nil {
return nil, errors.Wrap(err, "get data clock frames")
}
return &PebbleClockIterator{i: iter, db: p}, nil
}
// Should only need be run once, before starting
func (p *PebbleClockStore) Deduplicate(filter []byte) error {
from := clockDataParentIndexKey(
filter,
1,
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
)
to := clockDataParentIndexKey(
filter,
20000,
[]byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
)
iter, err := p.db.NewIter(from, to)
if err != nil {
return errors.Wrap(err, "deduplicate")
}
i := 0
for iter.First(); iter.Valid(); iter.Next() {
value := iter.Value()
frame := &protobufs.ClockFrame{}
if err := proto.Unmarshal(value, frame); err != nil {
return err
}
if err := p.saveAggregateProofs(nil, frame); err != nil {
return err
}
frame.AggregateProofs = []*protobufs.InclusionAggregateProof{}
newValue, err := proto.Marshal(frame)
if err != nil {
return err
}
err = p.db.Set(iter.Key(), newValue)
if err != nil {
return err
}
i++
if i%100 == 0 {
fmt.Println("Deduplicated 100 parent frames")
}
}
iter.Close()
if err := p.db.Compact(from, to, true); err != nil {
return err
}
from = clockDataFrameKey(filter, 1)
to = clockDataFrameKey(filter, 20000)
iter, err = p.db.NewIter(from, to)
if err != nil {
return errors.Wrap(err, "deduplicate")
}
i = 0
for iter.First(); iter.Valid(); iter.Next() {
value := iter.Value()
frame := &protobufs.ClockFrame{}
if err := proto.Unmarshal(value, frame); err != nil {
return err
}
if err := p.saveAggregateProofs(nil, frame); err != nil {
return err
}
frame.AggregateProofs = []*protobufs.InclusionAggregateProof{}
newValue, err := proto.Marshal(frame)
if err != nil {
return err
}
err = p.db.Set(iter.Key(), newValue)
if err != nil {
return err
}
i++
if i%100 == 0 {
fmt.Println("Deduplicated 100 data frames")
}
}
iter.Close()
if err := p.db.Compact(from, to, true); err != nil {
return err
}
from = clockDataCandidateFrameKey(
filter,
1,
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
)
to = clockDataCandidateFrameKey(
filter,
20000,
[]byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
[]byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
)
iter, err = p.db.NewIter(from, to)
if err != nil {
return errors.Wrap(err, "deduplicate")
}
i = 0
for iter.First(); iter.Valid(); iter.Next() {
value := iter.Value()
frame := &protobufs.ClockFrame{}
if err := proto.Unmarshal(value, frame); err != nil {
return err
}
if err := p.saveAggregateProofs(nil, frame); err != nil {
return err
}
frame.AggregateProofs = []*protobufs.InclusionAggregateProof{}
newValue, err := proto.Marshal(frame)
if err != nil {
return err
}
err = p.db.Set(iter.Key(), newValue)
if err != nil {
return err
}
i++
if i%100 == 0 {
fmt.Println("Deduplicated 100 candidate frames")
}
}
iter.Close()
if err := p.db.Compact(from, to, true); err != nil {
return err
}
p.db.Close()
return nil
}
func (p *PebbleClockStore) GetCompressedDataClockFrames(
filter []byte,
fromFrameNumber uint64,
toFrameNumber uint64,
) (*protobufs.CeremonyCompressedSync, error) {
from := clockDataFrameKey(filter, fromFrameNumber)
to := clockDataFrameKey(filter, toFrameNumber+1)
iter, err := p.db.NewIter(from, to)
if err != nil {
return nil, errors.Wrap(err, "get compressed data clock frames")
}
syncMessage := &protobufs.CeremonyCompressedSync{}
proofs := map[string]*protobufs.InclusionProofsMap{}
commits := map[string]*protobufs.InclusionCommitmentsMap{}
segments := map[string]*protobufs.InclusionSegmentsMap{}
for iter.First(); iter.Valid(); iter.Next() {
value := iter.Value()
frame := &protobufs.ClockFrame{}
if err := proto.Unmarshal(value, frame); err != nil {
return nil, errors.Wrap(err, "get compressed data clock frames")
}
syncMessage.TruncatedClockFrames = append(
syncMessage.TruncatedClockFrames,
frame,
)
if frame.FrameNumber == 0 {
continue
}
for i := 0; i < len(frame.Input[516:])/74; i++ {
aggregateCommit := frame.Input[516+(i*74) : 516+((i+1)*74)]
if _, ok := proofs[string(aggregateCommit)]; !ok {
proofs[string(aggregateCommit)] = &protobufs.InclusionProofsMap{
FrameCommit: aggregateCommit,
}
}
}
}
if err := iter.Close(); err != nil {
return nil, errors.Wrap(err, "get compressed data clock frames")
}
if len(syncMessage.TruncatedClockFrames) < int(
toFrameNumber-fromFrameNumber+1,
) {
newFrom := fromFrameNumber
if len(syncMessage.TruncatedClockFrames) > 0 {
newFrom = syncMessage.TruncatedClockFrames[len(
syncMessage.TruncatedClockFrames,
)-1].FrameNumber + 1
}
from := clockDataCandidateFrameKey(
filter,
newFrom,
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
)
to := clockDataCandidateFrameKey(
filter,
toFrameNumber+1,
[]byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
[]byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
)
iter, err := p.db.NewIter(from, to)
if err != nil {
return nil, errors.Wrap(err, "get compressed data clock frames")
}
candidates := []*protobufs.ClockFrame{}
for iter.First(); iter.Valid(); iter.Next() {
value := iter.Value()
frame := &protobufs.ClockFrame{}
if err := proto.Unmarshal(value, frame); err != nil {
return nil, errors.Wrap(err, "get compressed data clock frames")
}
candidates = append(candidates, frame)
}
if err := iter.Close(); err != nil {
return nil, errors.Wrap(err, "get compressed data clock frames")
}
sort.Slice(candidates, func(i, j int) bool {
return candidates[i].FrameNumber < candidates[j].FrameNumber
})
if len(candidates) > 0 {
cursorStart := candidates[0].FrameNumber
paths := [][]*protobufs.ClockFrame{}
for _, frame := range candidates {
frame := frame
if frame.FrameNumber == cursorStart {
paths = append(paths, []*protobufs.ClockFrame{frame})
}
if frame.FrameNumber > cursorStart {
for i, path := range paths {
s, err := path[len(path)-1].GetSelector()
if err != nil {
return nil, errors.Wrap(err, "get compressed data clock frames")
}
parentSelector, _, _, err := frame.GetParentSelectorAndDistance(nil)
if err != nil {
return nil, errors.Wrap(err, "get compressed data clock frames")
}
if s.Cmp(parentSelector) == 0 {
paths[i] = append(paths[i], frame)
}
}
}
}
sort.Slice(paths, func(i, j int) bool {
return len(paths[i]) > len(paths[j])
})
leadingIndex := 0
var leadingScore *big.Int
length := len(paths[0])
for i := 0; i < len(paths); i++ {
if len(paths[i]) < length {
break
}
score := new(big.Int)
for _, path := range paths[i] {
master, err := p.GetMasterClockFrame(
[]byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
path.FrameNumber,
)
if err != nil {
return nil, errors.Wrap(err, "get compressed data clock frames")
}
discriminator, err := master.GetSelector()
if err != nil {
return nil, errors.Wrap(err, "get compressed data clock frames")
}
_, distance, _, err := path.GetParentSelectorAndDistance(
discriminator,
)
if err != nil {
return nil, errors.Wrap(err, "get compressed data clock frames")
}
score = score.Add(score, distance)
}
if leadingScore == nil || leadingScore.Cmp(score) > 0 {
leadingIndex = i
leadingScore = score
}
}
for _, frame := range paths[leadingIndex] {
frame := frame
syncMessage.TruncatedClockFrames = append(
syncMessage.TruncatedClockFrames,
frame,
)
if frame.FrameNumber == 0 {
continue
}
for i := 0; i < len(frame.Input[516:])/74; i++ {
aggregateCommit := frame.Input[516+(i*74) : 516+((i+1)*74)]
if _, ok := proofs[string(aggregateCommit)]; !ok {
proofs[string(aggregateCommit)] = &protobufs.InclusionProofsMap{
FrameCommit: aggregateCommit,
}
}
}
}
}
}
for k, v := range proofs {
k := k
v := v
value, closer, err := p.db.Get(dataProofMetadataKey(filter, []byte(k)))
if err != nil {
if errors.Is(err, pebble.ErrNotFound) {
return nil, ErrNotFound
}
return nil, errors.Wrap(err, "get compressed data clock frames")
}
copied := make([]byte, len(value[8:]))
limit := binary.BigEndian.Uint64(value[0:8])
copy(copied, value[8:])
v.Proof = copied
if err = closer.Close(); err != nil {
return nil, errors.Wrap(err, "get compressed data clock frames")
}
iter, err := p.db.NewIter(
dataProofInclusionKey(filter, []byte(k), 0),
dataProofInclusionKey(filter, []byte(k), limit+1),
)
if err != nil {
return nil, errors.Wrap(err, "get compressed data clock frames")
}
for iter.First(); iter.Valid(); iter.Next() {
incCommit := iter.Value()
urlLength := binary.BigEndian.Uint16(incCommit[:2])
commitLength := binary.BigEndian.Uint16(incCommit[2:4])
url := make([]byte, urlLength)
copy(url, incCommit[4:urlLength+4])
commit := make([]byte, commitLength)
copy(commit, incCommit[urlLength+4:urlLength+4+commitLength])
remainder := int(urlLength + 4 + commitLength)
if _, ok := commits[string(commit)]; !ok {
commits[string(commit)] = &protobufs.InclusionCommitmentsMap{
Commitment: commit,
TypeUrl: string(url),
}
for j := 0; j < (len(incCommit)-remainder)/32; j++ {
start := remainder + (j * 32)
end := remainder + ((j + 1) * 32)
hash := make([]byte, len(incCommit[start:end]))
copy(hash, incCommit[start:end])
commits[string(commit)].SegmentHashes = append(
commits[string(commit)].SegmentHashes,
hash,
)
if _, ok := segments[string(hash)]; !ok {
segValue, dataCloser, err := p.db.Get(
dataProofSegmentKey(filter, incCommit[start:end]),
)
if err != nil {
if errors.Is(err, pebble.ErrNotFound) {
// If we've lost this key it means we're in a corrupted state
return nil, ErrInvalidData
}
return nil, errors.Wrap(err, "get compressed data clock frames")
}
segCopy := make([]byte, len(segValue))
copy(segCopy, segValue)
segments[string(hash)] = &protobufs.InclusionSegmentsMap{
Hash: hash,
Data: segCopy,
}
syncMessage.Segments = append(
syncMessage.Segments,
segments[string(hash)],
)
if err = dataCloser.Close(); err != nil {
return nil, errors.Wrap(err, "get compressed data clock frames")
}
}
}
}
v.Commitments = append(v.Commitments, commits[string(commit)])
}
syncMessage.Proofs = append(
syncMessage.Proofs,
v,
)
if len(syncMessage.TruncatedClockFrames) > 0 {
frames := syncMessage.TruncatedClockFrames
syncMessage.FromFrameNumber = frames[0].FrameNumber
syncMessage.ToFrameNumber = frames[len(frames)-1].FrameNumber
}
if err = iter.Close(); err != nil {
return nil, errors.Wrap(err, "get aggregate proof")
}
}
return syncMessage, nil
}
func (p *PebbleClockStore) SetLatestDataClockFrameNumber(
filter []byte,
frameNumber uint64,
) error {
err := p.db.Set(
clockDataLatestIndex(filter),
binary.BigEndian.AppendUint64(nil, frameNumber),
)
return errors.Wrap(err, "set latest data clock frame number")
}
func (p *PebbleClockStore) DeleteCandidateDataClockFrameRange(
filter []byte,
fromFrameNumber uint64,
toFrameNumber uint64,
) error {
err := p.db.DeleteRange(
clockDataCandidateFrameKey(
filter,
fromFrameNumber,
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
),
clockDataCandidateFrameKey(
filter,
toFrameNumber,
[]byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
[]byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
),
)
return errors.Wrap(err, "delete candidate data clock frame range")
}
func (p *PebbleClockStore) GetHighestCandidateDataClockFrame(
filter []byte,
) (*protobufs.ClockFrame, error) {
frame, err := p.GetLatestDataClockFrame(filter, nil)
if err != nil {
return nil, errors.Wrap(err, "get highest candidate data clock frame")
}
from := clockDataCandidateFrameKey(
filter,
frame.FrameNumber,
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
)
to := clockDataCandidateFrameKey(
filter,
// We could be deeply out of sync and searching for consensus
frame.FrameNumber+20000,
[]byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
[]byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
)
iter, err := p.db.NewIter(from, to)
if err != nil {
return nil, errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"get highest candidate data clock frame",
)
}
found := iter.SeekLT(to)
if found {
value := iter.Value()
frame = &protobufs.ClockFrame{}
if err := proto.Unmarshal(value, frame); err != nil {
return nil, errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"get highest candidate data clock frame",
)
}
if err := p.fillAggregateProofs(frame); err != nil {
return nil, errors.Wrap(
errors.Wrap(err, ErrInvalidData.Error()),
"get highest candidate data clock frame",
)
}
}
return frame, nil
}