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package types
import (
"fmt"
amino "github.com/tendermint/go-amino"
abci "github.com/tendermint/tendermint/abci/types"
tmpubsub "github.com/tendermint/tendermint/libs/pubsub"
tmquery "github.com/tendermint/tendermint/libs/pubsub/query"
)
// Reserved event types (alphabetically sorted).
const (
EventCompleteProposal = "CompleteProposal"
EventLock = "Lock"
EventNewBlock = "NewBlock"
EventNewBlockHeader = "NewBlockHeader"
EventNewRound = "NewRound"
EventNewRoundStep = "NewRoundStep"
EventPolka = "Polka"
EventRelock = "Relock"
EventTimeoutPropose = "TimeoutPropose"
EventTimeoutWait = "TimeoutWait"
EventTx = "Tx"
EventUnlock = "Unlock"
EventValidBlock = "ValidBlock"
EventValidatorSetUpdates = "ValidatorSetUpdates"
EventVote = "Vote"
)
///////////////////////////////////////////////////////////////////////////////
// ENCODING / DECODING
///////////////////////////////////////////////////////////////////////////////
// TMEventData implements events.EventData.
type TMEventData interface {
// empty interface
}
func RegisterEventDatas(cdc *amino.Codec) {
cdc.RegisterInterface((*TMEventData)(nil), nil)
cdc.RegisterConcrete(EventDataNewBlock{}, "tendermint/event/NewBlock", nil)
cdc.RegisterConcrete(EventDataNewBlockHeader{}, "tendermint/event/NewBlockHeader", nil)
cdc.RegisterConcrete(EventDataTx{}, "tendermint/event/Tx", nil)
cdc.RegisterConcrete(EventDataRoundState{}, "tendermint/event/RoundState", nil)
cdc.RegisterConcrete(EventDataNewRound{}, "tendermint/event/NewRound", nil)
cdc.RegisterConcrete(EventDataCompleteProposal{}, "tendermint/event/CompleteProposal", nil)
cdc.RegisterConcrete(EventDataVote{}, "tendermint/event/Vote", nil)
cdc.RegisterConcrete(EventDataValidatorSetUpdates{}, "tendermint/event/ValidatorSetUpdates", nil)
cdc.RegisterConcrete(EventDataString(""), "tendermint/event/ProposalString", nil)
}
// Most event messages are basic types (a block, a transaction)
// but some (an input to a call tx or a receive) are more exotic
type EventDataNewBlock struct {
Block *Block `json:"block"`
ResultBeginBlock abci.ResponseBeginBlock `json:"result_begin_block"`
ResultEndBlock abci.ResponseEndBlock `json:"result_end_block"`
}
// light weight event for benchmarking
type EventDataNewBlockHeader struct {
Header Header `json:"header"`
ResultBeginBlock abci.ResponseBeginBlock `json:"result_begin_block"`
ResultEndBlock abci.ResponseEndBlock `json:"result_end_block"`
}
// All txs fire EventDataTx
type EventDataTx struct {
TxResult
}
// NOTE: This goes into the replay WAL
type EventDataRoundState struct {
Height int64 `json:"height"`
Round int `json:"round"`
Step string `json:"step"`
// private, not exposed to websockets
RoundState interface{} `json:"-"`
}
type ValidatorInfo struct {
Address Address `json:"address"`
Index int `json:"index"`
}
type EventDataNewRound struct {
Height int64 `json:"height"`
Round int `json:"round"`
Step string `json:"step"`
Proposer ValidatorInfo `json:"proposer"`
}
type EventDataCompleteProposal struct {
Height int64 `json:"height"`
Round int `json:"round"`
Step string `json:"step"`
BlockID BlockID `json:"block_id"`
}
type EventDataVote struct {
Vote *Vote
}
type EventDataString string
type EventDataValidatorSetUpdates struct {
ValidatorUpdates []*Validator `json:"validator_updates"`
}
///////////////////////////////////////////////////////////////////////////////
// PUBSUB
///////////////////////////////////////////////////////////////////////////////
const (
// EventTypeKey is a reserved key, used to specify event type in tags.
EventTypeKey = "tm.event"
// TxHashKey is a reserved key, used to specify transaction's hash.
// see EventBus#PublishEventTx
TxHashKey = "tx.hash"
// TxHeightKey is a reserved key, used to specify transaction block's height.
// see EventBus#PublishEventTx
TxHeightKey = "tx.height"
)
var (
EventQueryCompleteProposal = QueryForEvent(EventCompleteProposal)
EventQueryLock = QueryForEvent(EventLock)
EventQueryNewBlock = QueryForEvent(EventNewBlock)
EventQueryNewBlockHeader = QueryForEvent(EventNewBlockHeader)
EventQueryNewRound = QueryForEvent(EventNewRound)
EventQueryNewRoundStep = QueryForEvent(EventNewRoundStep)
EventQueryPolka = QueryForEvent(EventPolka)
EventQueryRelock = QueryForEvent(EventRelock)
EventQueryTimeoutPropose = QueryForEvent(EventTimeoutPropose)
EventQueryTimeoutWait = QueryForEvent(EventTimeoutWait)
EventQueryTx = QueryForEvent(EventTx)
EventQueryUnlock = QueryForEvent(EventUnlock)
EventQueryValidatorSetUpdates = QueryForEvent(EventValidatorSetUpdates)
EventQueryValidBlock = QueryForEvent(EventValidBlock)
EventQueryVote = QueryForEvent(EventVote)
)
func EventQueryTxFor(tx Tx) tmpubsub.Query {
return tmquery.MustParse(fmt.Sprintf("%s='%s' AND %s='%X'", EventTypeKey, EventTx, TxHashKey, tx.Hash()))
}
func QueryForEvent(eventType string) tmpubsub.Query {
return tmquery.MustParse(fmt.Sprintf("%s='%s'", EventTypeKey, eventType))
}
// BlockEventPublisher publishes all block related events
type BlockEventPublisher interface {
PublishEventNewBlock(block EventDataNewBlock) error
PublishEventNewBlockHeader(header EventDataNewBlockHeader) error
PublishEventTx(EventDataTx) error
PublishEventValidatorSetUpdates(EventDataValidatorSetUpdates) error
}
type TxEventPublisher interface {
PublishEventTx(EventDataTx) error
}