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180 lines
5.7 KiB
180 lines
5.7 KiB
package types
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import (
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"fmt"
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"github.com/tendermint/go-wire/data"
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tmpubsub "github.com/tendermint/tmlibs/pubsub"
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tmquery "github.com/tendermint/tmlibs/pubsub/query"
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)
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// Reserved event types
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const (
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EventBond = "Bond"
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EventCompleteProposal = "CompleteProposal"
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EventDupeout = "Dupeout"
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EventFork = "Fork"
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EventLock = "Lock"
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EventNewBlock = "NewBlock"
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EventNewBlockHeader = "NewBlockHeader"
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EventNewRound = "NewRound"
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EventNewRoundStep = "NewRoundStep"
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EventPolka = "Polka"
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EventRebond = "Rebond"
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EventRelock = "Relock"
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EventTimeoutPropose = "TimeoutPropose"
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EventTimeoutWait = "TimeoutWait"
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EventTx = "Tx"
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EventUnbond = "Unbond"
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EventUnlock = "Unlock"
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EventVote = "Vote"
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EventProposalHeartbeat = "ProposalHeartbeat"
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)
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///////////////////////////////////////////////////////////////////////////////
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// ENCODING / DECODING
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///////////////////////////////////////////////////////////////////////////////
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var (
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EventDataNameNewBlock = "new_block"
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EventDataNameNewBlockHeader = "new_block_header"
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EventDataNameTx = "tx"
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EventDataNameRoundState = "round_state"
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EventDataNameVote = "vote"
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EventDataNameProposalHeartbeat = "proposal_heartbeat"
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)
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// implements events.EventData
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type TMEventDataInner interface {
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// empty interface
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}
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type TMEventData struct {
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TMEventDataInner `json:"unwrap"`
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}
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func (tmr TMEventData) MarshalJSON() ([]byte, error) {
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return tmEventDataMapper.ToJSON(tmr.TMEventDataInner)
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}
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func (tmr *TMEventData) UnmarshalJSON(data []byte) (err error) {
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parsed, err := tmEventDataMapper.FromJSON(data)
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if err == nil && parsed != nil {
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tmr.TMEventDataInner = parsed.(TMEventDataInner)
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}
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return
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}
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func (tmr TMEventData) Unwrap() TMEventDataInner {
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tmrI := tmr.TMEventDataInner
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for wrap, ok := tmrI.(TMEventData); ok; wrap, ok = tmrI.(TMEventData) {
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tmrI = wrap.TMEventDataInner
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}
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return tmrI
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}
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func (tmr TMEventData) Empty() bool {
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return tmr.TMEventDataInner == nil
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}
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const (
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EventDataTypeNewBlock = byte(0x01)
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EventDataTypeFork = byte(0x02)
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EventDataTypeTx = byte(0x03)
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EventDataTypeNewBlockHeader = byte(0x04)
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EventDataTypeRoundState = byte(0x11)
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EventDataTypeVote = byte(0x12)
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EventDataTypeProposalHeartbeat = byte(0x20)
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)
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var tmEventDataMapper = data.NewMapper(TMEventData{}).
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RegisterImplementation(EventDataNewBlock{}, EventDataNameNewBlock, EventDataTypeNewBlock).
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RegisterImplementation(EventDataNewBlockHeader{}, EventDataNameNewBlockHeader, EventDataTypeNewBlockHeader).
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RegisterImplementation(EventDataTx{}, EventDataNameTx, EventDataTypeTx).
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RegisterImplementation(EventDataRoundState{}, EventDataNameRoundState, EventDataTypeRoundState).
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RegisterImplementation(EventDataVote{}, EventDataNameVote, EventDataTypeVote).
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RegisterImplementation(EventDataProposalHeartbeat{}, EventDataNameProposalHeartbeat, EventDataTypeProposalHeartbeat)
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// Most event messages are basic types (a block, a transaction)
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// but some (an input to a call tx or a receive) are more exotic
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type EventDataNewBlock struct {
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Block *Block `json:"block"`
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}
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// light weight event for benchmarking
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type EventDataNewBlockHeader struct {
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Header *Header `json:"header"`
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}
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// All txs fire EventDataTx
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type EventDataTx struct {
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TxResult
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}
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type EventDataProposalHeartbeat struct {
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Heartbeat *Heartbeat
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}
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// NOTE: This goes into the replay WAL
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type EventDataRoundState struct {
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Height int64 `json:"height"`
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Round int `json:"round"`
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Step string `json:"step"`
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// private, not exposed to websockets
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RoundState interface{} `json:"-"`
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}
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type EventDataVote struct {
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Vote *Vote
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}
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///////////////////////////////////////////////////////////////////////////////
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// PUBSUB
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///////////////////////////////////////////////////////////////////////////////
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const (
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// EventTypeKey is a reserved key, used to specify event type in tags.
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EventTypeKey = "tm.event"
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// TxHashKey is a reserved key, used to specify transaction's hash.
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// see EventBus#PublishEventTx
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TxHashKey = "tx.hash"
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// TxHeightKey is a reserved key, used to specify transaction block's height.
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// see EventBus#PublishEventTx
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TxHeightKey = "tx.height"
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)
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var (
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EventQueryBond = queryForEvent(EventBond)
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EventQueryUnbond = queryForEvent(EventUnbond)
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EventQueryRebond = queryForEvent(EventRebond)
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EventQueryDupeout = queryForEvent(EventDupeout)
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EventQueryFork = queryForEvent(EventFork)
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EventQueryNewBlock = queryForEvent(EventNewBlock)
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EventQueryNewBlockHeader = queryForEvent(EventNewBlockHeader)
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EventQueryNewRound = queryForEvent(EventNewRound)
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EventQueryNewRoundStep = queryForEvent(EventNewRoundStep)
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EventQueryTimeoutPropose = queryForEvent(EventTimeoutPropose)
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EventQueryCompleteProposal = queryForEvent(EventCompleteProposal)
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EventQueryPolka = queryForEvent(EventPolka)
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EventQueryUnlock = queryForEvent(EventUnlock)
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EventQueryLock = queryForEvent(EventLock)
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EventQueryRelock = queryForEvent(EventRelock)
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EventQueryTimeoutWait = queryForEvent(EventTimeoutWait)
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EventQueryVote = queryForEvent(EventVote)
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EventQueryProposalHeartbeat = queryForEvent(EventProposalHeartbeat)
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EventQueryTx = queryForEvent(EventTx)
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)
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func EventQueryTxFor(tx Tx) tmpubsub.Query {
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return tmquery.MustParse(fmt.Sprintf("%s='%s' AND %s='%X'", EventTypeKey, EventTx, TxHashKey, tx.Hash()))
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}
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func queryForEvent(eventType string) tmpubsub.Query {
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return tmquery.MustParse(fmt.Sprintf("%s='%s'", EventTypeKey, eventType))
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}
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type TxEventPublisher interface {
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PublishEventTx(EventDataTx) error
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}
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