extract tags from DeliverTx/Result

and send them along with predefined

types/event_bus.go

@@ -82,7 +82,19 @@ func (b *EventBus) PublishEventVote(vote EventDataVote) error {
 func (b *EventBus) PublishEventTx(tx EventDataTx) error {
 	// no explicit deadline for publishing events
 	ctx := context.Background()
-	b.pubsub.PublishWithTags(ctx, TMEventData{tx}, map[string]interface{}{EventTypeKey: EventTx, TxHashKey: fmt.Sprintf("%X", tx.Tx.Hash())})
+	tags := make(map[string]interface{})
+	for _, t := range tx.Tags {
+		// TODO [@melekes]: validate, but where?
+		if t.ValueString != "" {
+			tags[t.Key] = t.ValueString
+		} else {
+			tags[t.Key] = t.ValueInt
+		}
+	}
+	// predefined tags should come last
+	tags[EventTypeKey] = EventTx
+	tags[TxHashKey] = fmt.Sprintf("%X", tx.Tx.Hash())
+	b.pubsub.PublishWithTags(ctx, TMEventData{tx}, tags)
 	return nil
 }
 

types/events.go

@@ -110,12 +110,13 @@ type EventDataNewBlockHeader struct {
 
 // All txs fire EventDataTx
 type EventDataTx struct {
-	Height int           `json:"height"`
-	Tx     Tx            `json:"tx"`
-	Data   data.Bytes    `json:"data"`
-	Log    string        `json:"log"`
-	Code   abci.CodeType `json:"code"`
-	Error  string        `json:"error"` // this is redundant information for now
+	Height int            `json:"height"`
+	Tx     Tx             `json:"tx"`
+	Data   data.Bytes     `json:"data"`
+	Log    string         `json:"log"`
+	Code   abci.CodeType  `json:"code"`
+	Tags   []*abci.KVPair `json:"tags"`
+	Error  string         `json:"error"` // this is redundant information for now
 }
 
 type EventDataProposalHeartbeat struct {