[R4R] Add proposer to NewRound event and proposal info to CompleteProposal event (#2767)

* add proposer info to EventCompleteProposal

* create separate EventData structure for CompleteProposal

* cant us rs.Proposal to get BlockID because it is not guaranteed to be set yet

* copying RoundState isnt helping us here

* add Step back to make compatible with original RoundState event. update changelog

* add NewRound event

* fix test

* remove unneeded RoundState

* put height round step into a struct

* pull out ValidatorInfo struct. add ensureProposal assert

* remove height-round-state sub-struct refactor

* minor fixes from review

types/events.go

@@ -43,6 +43,8 @@ func RegisterEventDatas(cdc *amino.Codec) {
 	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(EventDataProposalHeartbeat{}, "tendermint/event/ProposalHeartbeat", nil)
 	cdc.RegisterConcrete(EventDataValidatorSetUpdates{}, "tendermint/event/ValidatorSetUpdates", nil)
@@ -80,6 +82,27 @@ type EventDataRoundState struct {
 	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
 }