panic: runtime error: index out of range [0] with length 0 #1
Description
When running main.go, most of the time it fails after a few seconds with this:
panic: runtime error: index out of range [0] with length 0
goroutine 168 [running]:
github.com/tokenized/bitcoin_reader.(*NodeManager).nextNode(0xc000261540, {0xb459d8, 0xc0003512c0}, 0x0)
/home/merlin/Devel/bitcoin_reader/node_manager.go:222 +0xc85
github.com/tokenized/bitcoin_reader.(*NodeManager).RequestTxs(0xc000261540, {0xb459d8, 0xc00030f5c0})
/home/merlin/Devel/bitcoin_reader/node_manager.go:161 +0x171
github.com/tokenized/pkg/threads.(*Thread).runPeriodic(0xc00056af00, {0xb459d8, 0xc00030f5c0})
/home/merlin/Devel/pkg/mod/github.com/tokenized/pkg@v0.4.1-0.20220524020344-6bbdcf489d31/threads/threads.go:216 +0xa5
github.com/tokenized/pkg/threads.(*Thread).Start.func1()
/home/merlin/Devel/pkg/mod/github.com/tokenized/pkg@v0.4.1-0.20220524020344-6bbdcf489d31/threads/threads.go:179 +0x150
created by github.com/tokenized/pkg/threads.(*Thread).Start
/home/merlin/Devel/pkg/mod/github.com/tokenized/pkg@v0.4.1-0.20220524020344-6bbdcf489d31/threads/threads.go:169 +0x17a
exit status 2
I worked a few times, I could not yet figure out a pattern.
The last message in the log is always Finished: Node: [54.243.212.219]:8333: connect: dial tcp 54.243.212.219:8333: i/o timeout (with a different IP). There are lots of "connection refused" errors in the log as well.