otterscan/cmd/otter/health/check_peers.go

29 lines
522 B
Go

package health
import (
"context"
"errors"
"fmt"
)
var (
errNotEnoughPeers = errors.New("not enough peers")
)
func checkMinPeers(minPeerCount uint, api NetAPI) error {
if api == nil {
return fmt.Errorf("no connection to the Erigon server or `net` namespace isn't enabled")
}
peerCount, err := api.PeerCount(context.TODO())
if err != nil {
return err
}
if uint64(peerCount) < uint64(minPeerCount) {
return fmt.Errorf("%w: %d (minimum %d)", errNotEnoughPeers, peerCount, minPeerCount)
}
return nil
}