package identify type config struct { protocolVersion string userAgent string disableSignedPeerRecord bool metricsTracer MetricsTracer } // Option is an option function for identify. type Option func(*config) // ProtocolVersion sets the protocol version string that will be used to // identify the family of protocols used by the peer. func ProtocolVersion(s string) Option { return func(cfg *config) { cfg.protocolVersion = s } } // UserAgent sets the user agent this node will identify itself with to peers. func UserAgent(ua string) Option { return func(cfg *config) { cfg.userAgent = ua } } // DisableSignedPeerRecord disables populating signed peer records on the outgoing Identify response // and ONLY sends the unsigned addresses. func DisableSignedPeerRecord() Option { return func(cfg *config) { cfg.disableSignedPeerRecord = true } } func WithMetricsTracer(tr MetricsTracer) Option { return func(cfg *config) { cfg.metricsTracer = tr } }