disconnects the network connection but does n't request the server to settle the channel first literally just unplugs the network socket and marks the stored channel state as inactive . concode_field_sep SettableFuture<PaymentChannelClientConnection> channelOpenFuture concode_elem_sep ProtobufParser<Protos.TwoWayChannelMessage> wireParser concode_elem_sep PaymentChannelClient channelClient concode_field_sep ListenableFuture<PaymentChannelClientConnection> getChannelOpenFuture concode_elem_sep void settle concode_elem_sep ListenableFuture<BigInteger> incrementPayment concode_elem_sep PaymentChannelClientState state