added hash to MsgBroadcasterResponse, added checks for broadcast erro…

…rs in oracle feeder

x/curium/keeper/keeper.go

@@ -50,6 +50,7 @@ type MsgBroadcaster func(ctx sdk.Context, msgs []sdk.Msg, from string) chan *Msg
 type MsgBroadcasterResponse struct {
 	Response *abci.ResponseDeliverTx
 	Data     *[]byte
+	Hash     *string
 	Error    error
 }
 
@@ -298,10 +299,12 @@ func DoBroadcast(resp chan *MsgBroadcasterResponse, keyringDir string, cdc *code
 		returnError(err)
 		return
 	}
+	hash := result.Hash.String()
 
 	resp <- &MsgBroadcasterResponse{
 		Response: &result.TxResult,
 		Data:     &result.TxResult.Data,
+		Hash: 	  &hash,
 	}
 
 }

x/oracle/feeder.go

@@ -138,9 +138,12 @@ func sendPreflightMsgs(ctx sdk.Context, values []SourceAndValue, keeper Keeper)
 	}
 	logger.Info("Sending oracle proof messages", "count", len(msgs))
 	result := <- keeper.MsgBroadcaster(ctx, msgs, "oracle")
-
-	logger.Info("Oracle proof messages sent", "response", result.Response.Log)
-	return result.Response.Log
+	if result.Error != nil {
+		logger.Error("Error sending oracle proof messages", "error", result.Error)
+		return ""
+	}
+	logger.Info("Oracle proof messages sent", "response", result.Hash)
+	return *result.Hash
 }
 
 func sendVoteMsgs(ctx sdk.Context, values []SourceAndValue, keeper Keeper) string {
@@ -151,8 +154,12 @@ func sendVoteMsgs(ctx sdk.Context, values []SourceAndValue, keeper Keeper) strin
 	}
 	logger.Info("Sending feeder vote messages", "count", len(msgs))
 	result := <- keeper.MsgBroadcaster(ctx, msgs, "oracle")
-	logger.Info("Feeder vote messages sent", "hash", result.Response.Log)
-	return result.Response.Log
+	if result.Error != nil {
+		logger.Error("Error sending feeder vote message", "error", result.Error)
+		return ""
+	}
+	logger.Info("Feeder vote messages sent", "hash", result.Hash)
+	return *result.Hash
 }
 
 func generateVoteMsg(source SourceAndValue, keyringReader *curium.KeyringReader) (types.MsgOracleVote, error) {