ethstats: cut short unavailable history responses

This commit is contained in:
Péter Szilágyi 2017-04-04 11:41:17 +03:00
parent 96d1a4aee6
commit fb98a8c6c2
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GPG Key ID: E9AE538CEDF8293D
1 changed files with 10 additions and 2 deletions

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@ -537,6 +537,7 @@ func (s *Service) reportHistory(conn *websocket.Conn, list []uint64) error {
// Gather the batch of blocks to report
history := make([]*blockStats, len(indexes))
for i, number := range indexes {
// Retrieve the next block if it's known to us
var block *types.Block
if s.eth != nil {
block = s.eth.BlockChain().GetBlockByNumber(number)
@ -545,13 +546,20 @@ func (s *Service) reportHistory(conn *websocket.Conn, list []uint64) error {
block = types.NewBlockWithHeader(header)
}
}
// If we do have the block, add to the history and continue
if block != nil {
history[len(history)-1-i] = s.assembleBlockStats(block)
continue
}
// Ran out of blocks, cut the report short and send
history = history[len(history)-i:]
}
// Assemble the history report and send it to the server
log.Trace("Sending historical blocks to ethstats", "first", history[0].Number, "last", history[len(history)-1].Number)
if len(history) > 0 {
log.Trace("Sending historical blocks to ethstats", "first", history[0].Number, "last", history[len(history)-1].Number)
} else {
log.Trace("No history to send to stats server")
}
stats := map[string]interface{}{
"id": s.node,
"history": history,