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200 lines
5.9 KiB
200 lines
5.9 KiB
package types
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import (
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// for registering TMEventData as events.EventData
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abci "github.com/tendermint/abci/types"
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. "github.com/tendermint/go-common"
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"github.com/tendermint/go-events"
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"github.com/tendermint/go-wire"
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)
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// Functions to generate eventId strings
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// Reserved
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func EventStringBond() string { return "Bond" }
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func EventStringUnbond() string { return "Unbond" }
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func EventStringRebond() string { return "Rebond" }
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func EventStringDupeout() string { return "Dupeout" }
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func EventStringFork() string { return "Fork" }
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func EventStringTx(tx Tx) string { return Fmt("Tx:%X", tx.Hash()) }
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func EventStringNewBlock() string { return "NewBlock" }
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func EventStringNewBlockHeader() string { return "NewBlockHeader" }
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func EventStringNewRound() string { return "NewRound" }
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func EventStringNewRoundStep() string { return "NewRoundStep" }
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func EventStringTimeoutPropose() string { return "TimeoutPropose" }
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func EventStringCompleteProposal() string { return "CompleteProposal" }
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func EventStringPolka() string { return "Polka" }
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func EventStringUnlock() string { return "Unlock" }
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func EventStringLock() string { return "Lock" }
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func EventStringRelock() string { return "Relock" }
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func EventStringTimeoutWait() string { return "TimeoutWait" }
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func EventStringVote() string { return "Vote" }
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//----------------------------------------
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// implements events.EventData
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type TMEventData interface {
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events.EventData
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AssertIsTMEventData()
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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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)
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var _ = wire.RegisterInterface(
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struct{ TMEventData }{},
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wire.ConcreteType{EventDataNewBlock{}, EventDataTypeNewBlock},
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wire.ConcreteType{EventDataNewBlockHeader{}, EventDataTypeNewBlockHeader},
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// wire.ConcreteType{EventDataFork{}, EventDataTypeFork },
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wire.ConcreteType{EventDataTx{}, EventDataTypeTx},
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wire.ConcreteType{EventDataRoundState{}, EventDataTypeRoundState},
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wire.ConcreteType{EventDataVote{}, EventDataTypeVote},
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)
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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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Height int `json:"height"`
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Tx Tx `json:"tx"`
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Data []byte `json:"data"`
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Log string `json:"log"`
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Code abci.CodeType `json:"code"`
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Error string `json:"error"` // this is redundant information for now
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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 int `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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func (_ EventDataNewBlock) AssertIsTMEventData() {}
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func (_ EventDataNewBlockHeader) AssertIsTMEventData() {}
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func (_ EventDataTx) AssertIsTMEventData() {}
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func (_ EventDataRoundState) AssertIsTMEventData() {}
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func (_ EventDataVote) AssertIsTMEventData() {}
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//----------------------------------------
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// Wrappers for type safety
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type Fireable interface {
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events.Fireable
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}
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type Eventable interface {
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SetEventSwitch(EventSwitch)
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}
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type EventSwitch interface {
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events.EventSwitch
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}
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type EventCache interface {
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Fireable
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Flush()
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}
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func NewEventSwitch() EventSwitch {
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return events.NewEventSwitch()
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}
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func NewEventCache(evsw EventSwitch) EventCache {
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return events.NewEventCache(evsw)
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}
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// All events should be based on this FireEvent to ensure they are TMEventData
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func fireEvent(fireable events.Fireable, event string, data TMEventData) {
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if fireable != nil {
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fireable.FireEvent(event, data)
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}
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}
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func AddListenerForEvent(evsw EventSwitch, id, event string, cb func(data TMEventData)) {
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evsw.AddListenerForEvent(id, event, func(data events.EventData) {
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cb(data.(TMEventData))
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})
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}
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//--- block, tx, and vote events
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func FireEventNewBlock(fireable events.Fireable, block EventDataNewBlock) {
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fireEvent(fireable, EventStringNewBlock(), block)
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}
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func FireEventNewBlockHeader(fireable events.Fireable, header EventDataNewBlockHeader) {
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fireEvent(fireable, EventStringNewBlockHeader(), header)
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}
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func FireEventVote(fireable events.Fireable, vote EventDataVote) {
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fireEvent(fireable, EventStringVote(), vote)
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}
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func FireEventTx(fireable events.Fireable, tx EventDataTx) {
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fireEvent(fireable, EventStringTx(tx.Tx), tx)
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}
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//--- EventDataRoundState events
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func FireEventNewRoundStep(fireable events.Fireable, rs EventDataRoundState) {
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fireEvent(fireable, EventStringNewRoundStep(), rs)
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}
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func FireEventTimeoutPropose(fireable events.Fireable, rs EventDataRoundState) {
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fireEvent(fireable, EventStringTimeoutPropose(), rs)
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}
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func FireEventTimeoutWait(fireable events.Fireable, rs EventDataRoundState) {
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fireEvent(fireable, EventStringTimeoutWait(), rs)
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}
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func FireEventNewRound(fireable events.Fireable, rs EventDataRoundState) {
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fireEvent(fireable, EventStringNewRound(), rs)
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}
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func FireEventCompleteProposal(fireable events.Fireable, rs EventDataRoundState) {
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fireEvent(fireable, EventStringCompleteProposal(), rs)
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}
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func FireEventPolka(fireable events.Fireable, rs EventDataRoundState) {
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fireEvent(fireable, EventStringPolka(), rs)
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}
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func FireEventUnlock(fireable events.Fireable, rs EventDataRoundState) {
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fireEvent(fireable, EventStringUnlock(), rs)
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}
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func FireEventRelock(fireable events.Fireable, rs EventDataRoundState) {
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fireEvent(fireable, EventStringRelock(), rs)
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}
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func FireEventLock(fireable events.Fireable, rs EventDataRoundState) {
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fireEvent(fireable, EventStringLock(), rs)
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}
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