4 // for registering TMEventData as events.EventData
5 abci "github.com/tendermint/abci/types"
6 "github.com/tendermint/go-wire/data"
7 //cmn "github.com/tendermint/tmlibs/common"
8 "github.com/tendermint/tmlibs/events"
11 // Functions to generate eventId strings
14 func EventStringBond() string { return "Bond" }
15 func EventStringUnbond() string { return "Unbond" }
16 func EventStringRebond() string { return "Rebond" }
17 func EventStringDupeout() string { return "Dupeout" }
18 func EventStringFork() string { return "Fork" }
20 //func EventStringTx(tx Tx) string { return cmn.Fmt("Tx:%X", tx.Hash()) }
22 func EventStringNewBlock() string { return "NewBlock" }
23 func EventStringNewBlockHeader() string { return "NewBlockHeader" }
24 func EventStringNewRound() string { return "NewRound" }
25 func EventStringNewRoundStep() string { return "NewRoundStep" }
26 func EventStringTimeoutPropose() string { return "TimeoutPropose" }
27 func EventStringCompleteProposal() string { return "CompleteProposal" }
28 func EventStringPolka() string { return "Polka" }
29 func EventStringUnlock() string { return "Unlock" }
30 func EventStringLock() string { return "Lock" }
31 func EventStringRelock() string { return "Relock" }
32 func EventStringTimeoutWait() string { return "TimeoutWait" }
33 func EventStringVote() string { return "Vote" }
35 //----------------------------------------
38 EventDataNameNewBlock = "new_block"
39 EventDataNameNewBlockHeader = "new_block_header"
40 EventDataNameTx = "tx"
41 EventDataNameRoundState = "round_state"
42 EventDataNameVote = "vote"
45 //----------------------------------------
47 // implements events.EventData
48 type TMEventDataInner interface {
52 type TMEventData struct {
53 TMEventDataInner `json:"unwrap"`
56 func (tmr TMEventData) MarshalJSON() ([]byte, error) {
57 return tmEventDataMapper.ToJSON(tmr.TMEventDataInner)
60 func (tmr *TMEventData) UnmarshalJSON(data []byte) (err error) {
61 parsed, err := tmEventDataMapper.FromJSON(data)
62 if err == nil && parsed != nil {
63 tmr.TMEventDataInner = parsed.(TMEventDataInner)
68 func (tmr TMEventData) Unwrap() TMEventDataInner {
69 tmrI := tmr.TMEventDataInner
70 for wrap, ok := tmrI.(TMEventData); ok; wrap, ok = tmrI.(TMEventData) {
71 tmrI = wrap.TMEventDataInner
76 func (tmr TMEventData) Empty() bool {
77 return tmr.TMEventDataInner == nil
81 EventDataTypeNewBlock = byte(0x01)
82 EventDataTypeFork = byte(0x02)
83 EventDataTypeTx = byte(0x03)
84 EventDataTypeNewBlockHeader = byte(0x04)
86 EventDataTypeRoundState = byte(0x11)
87 EventDataTypeVote = byte(0x12)
90 var tmEventDataMapper = data.NewMapper(TMEventData{}).
91 RegisterImplementation(EventDataNewBlock{}, EventDataNameNewBlock, EventDataTypeNewBlock).
92 RegisterImplementation(EventDataNewBlockHeader{}, EventDataNameNewBlockHeader, EventDataTypeNewBlockHeader).
93 RegisterImplementation(EventDataTx{}, EventDataNameTx, EventDataTypeTx).
94 RegisterImplementation(EventDataRoundState{}, EventDataNameRoundState, EventDataTypeRoundState).
95 RegisterImplementation(EventDataVote{}, EventDataNameVote, EventDataTypeVote)
97 // Most event messages are basic types (a block, a transaction)
98 // but some (an input to a call tx or a receive) are more exotic
100 type EventDataNewBlock struct {
101 //Block *Block `json:"block"`
104 // light weight event for benchmarking
105 type EventDataNewBlockHeader struct {
106 //Header *Header `json:"header"`
109 // All txs fire EventDataTx
110 type EventDataTx struct {
111 Height int `json:"height"`
113 Data data.Bytes `json:"data"`
114 Log string `json:"log"`
115 Code abci.CodeType `json:"code"`
116 Error string `json:"error"` // this is redundant information for now
119 // NOTE: This goes into the replay WAL
120 type EventDataRoundState struct {
121 Height int `json:"height"`
122 Round int `json:"round"`
123 Step string `json:"step"`
125 // private, not exposed to websockets
126 RoundState interface{} `json:"-"`
129 type EventDataVote struct {
133 func (_ EventDataNewBlock) AssertIsTMEventData() {}
134 func (_ EventDataNewBlockHeader) AssertIsTMEventData() {}
135 func (_ EventDataTx) AssertIsTMEventData() {}
136 func (_ EventDataRoundState) AssertIsTMEventData() {}
137 func (_ EventDataVote) AssertIsTMEventData() {}
139 //----------------------------------------
140 // Wrappers for type safety
142 type Fireable interface {
146 type Eventable interface {
147 SetEventSwitch(EventSwitch)
150 type EventSwitch interface {
154 type EventCache interface {
159 func NewEventSwitch() EventSwitch {
160 return events.NewEventSwitch()
163 func NewEventCache(evsw EventSwitch) EventCache {
164 return events.NewEventCache(evsw)
167 // All events should be based on this FireEvent to ensure they are TMEventData
168 func fireEvent(fireable events.Fireable, event string, data TMEventData) {
170 fireable.FireEvent(event, data)
174 func AddListenerForEvent(evsw EventSwitch, id, event string, cb func(data TMEventData)) {
175 evsw.AddListenerForEvent(id, event, func(data events.EventData) {
176 cb(data.(TMEventData))
181 //--- block, tx, and vote events
183 func FireEventNewBlock(fireable events.Fireable, block EventDataNewBlock) {
184 fireEvent(fireable, EventStringNewBlock(), TMEventData{block})
187 func FireEventNewBlockHeader(fireable events.Fireable, header EventDataNewBlockHeader) {
188 fireEvent(fireable, EventStringNewBlockHeader(), TMEventData{header})
191 func FireEventVote(fireable events.Fireable, vote EventDataVote) {
192 fireEvent(fireable, EventStringVote(), TMEventData{vote})
196 func FireEventTx(fireable events.Fireable, tx EventDataTx) {
197 fireEvent(fireable, EventStringTx(tx.Tx), TMEventData{tx})
201 //--- EventDataRoundState events
203 func FireEventNewRoundStep(fireable events.Fireable, rs EventDataRoundState) {
204 fireEvent(fireable, EventStringNewRoundStep(), TMEventData{rs})
207 func FireEventTimeoutPropose(fireable events.Fireable, rs EventDataRoundState) {
208 fireEvent(fireable, EventStringTimeoutPropose(), TMEventData{rs})
211 func FireEventTimeoutWait(fireable events.Fireable, rs EventDataRoundState) {
212 fireEvent(fireable, EventStringTimeoutWait(), TMEventData{rs})
215 func FireEventNewRound(fireable events.Fireable, rs EventDataRoundState) {
216 fireEvent(fireable, EventStringNewRound(), TMEventData{rs})
219 func FireEventCompleteProposal(fireable events.Fireable, rs EventDataRoundState) {
220 fireEvent(fireable, EventStringCompleteProposal(), TMEventData{rs})
223 func FireEventPolka(fireable events.Fireable, rs EventDataRoundState) {
224 fireEvent(fireable, EventStringPolka(), TMEventData{rs})
227 func FireEventUnlock(fireable events.Fireable, rs EventDataRoundState) {
228 fireEvent(fireable, EventStringUnlock(), TMEventData{rs})
231 func FireEventRelock(fireable events.Fireable, rs EventDataRoundState) {
232 fireEvent(fireable, EventStringRelock(), TMEventData{rs})
235 func FireEventLock(fireable events.Fireable, rs EventDataRoundState) {
236 fireEvent(fireable, EventStringLock(), TMEventData{rs})