package privval import ( "fmt" "net" "github.com/pkg/errors" "github.com/tendermint/tendermint/crypto/ed25519" "github.com/tendermint/tendermint/libs/log" tmnet "github.com/tendermint/tendermint/libs/net" ) // IsConnTimeout returns a boolean indicating whether the error is known to // report that a connection timeout occurred. This detects both fundamental // network timeouts, as well as ErrConnTimeout errors. func IsConnTimeout(err error) bool { switch errors.Cause(err).(type) { case EndpointTimeoutError: return true case timeoutError: return true default: return false } } // NewSignerListener creates a new SignerListenerEndpoint using the corresponding listen address func NewSignerListener(listenAddr string, logger log.Logger) (*SignerListenerEndpoint, error) { var listener net.Listener protocol, address := tmnet.ProtocolAndAddress(listenAddr) ln, err := net.Listen(protocol, address) if err != nil { return nil, err } switch protocol { case "unix": listener = NewUnixListener(ln) case "tcp": // TODO: persist this key so external signer can actually authenticate us listener = NewTCPListener(ln, ed25519.GenPrivKey()) default: return nil, fmt.Errorf( "wrong listen address: expected either 'tcp' or 'unix' protocols, got %s", protocol, ) } pve := NewSignerListenerEndpoint(logger.With("module", "privval"), listener) return pve, nil } // GetFreeLocalhostAddrPort returns a free localhost:port address func GetFreeLocalhostAddrPort() string { port, err := tmnet.GetFreePort() if err != nil { panic(err) } return fmt.Sprintf("127.0.0.1:%d", port) }