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Diffstat (limited to 'ethstats')
-rw-r--r--ethstats/ethstats.go12
1 files changed, 10 insertions, 2 deletions
diff --git a/ethstats/ethstats.go b/ethstats/ethstats.go
index 3ebbe3fc3..aec8eb8bf 100644
--- a/ethstats/ethstats.go
+++ b/ethstats/ethstats.go
@@ -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,