add Height to ResultBroadcastTxCommit and EventDataTx

rpc/core/mempool.go

@@ -89,6 +89,7 @@ func BroadcastTxCommit(tx types.Tx) (*ctypes.ResultBroadcastTxCommit, error) {
 			CheckTx:   checkTxR,
 			DeliverTx: deliverTxR,
 			TxID:      tx.Hash(),
+			Height:    deliverTxRes.Height,
 		}, nil
 	case <-timer.C:
 		log.Error("failed to include tx")

rpc/core/types/responses.go

@@ -75,6 +75,7 @@ type ResultBroadcastTxCommit struct {
 	CheckTx   *abci.ResponseCheckTx   `json:"check_tx"`
 	DeliverTx *abci.ResponseDeliverTx `json:"deliver_tx"`
 	TxID      []byte                  `json:"tx_id"`
+	Height    int                     `json:"height"`
 }
 
 type ResultTx struct {