package netann import ( "time" "github.com/btcsuite/btcd/wire" ) // ChanStatus is a type that enumerates the possible states a ChanStatusManager // tracks for its known channels. type ChanStatus uint8 const ( // ChanStatusEnabled indicates that the channel's last announcement has // the disabled bit cleared. ChanStatusEnabled ChanStatus = iota // ChanStatusPendingDisabled indicates that the channel's last // announcement has the disabled bit cleared, but that the channel was // detected in an inactive state. Channels in this state will have a // disabling announcement sent after the ChanInactiveTimeout expires // from the time of the first detection--unless the channel is // explicitly reenabled before the disabling occurs. ChanStatusPendingDisabled // ChanStatusDisabled indicates that the channel's last announcement has // the disabled bit set. ChanStatusDisabled ) // ChannelState describes the ChanStatusManager's view of a channel, and // describes the current state the channel's disabled status on the network. type ChannelState struct { // Status is the channel's current ChanStatus from the POV of the // ChanStatusManager. Status ChanStatus // SendDisableTime is the earliest time at which the ChanStatusManager // will passively send a new disable announcement on behalf of this // channel. // // NOTE: This field is only non-zero if status is // ChanStatusPendingDisabled. SendDisableTime time.Time } // channelStates is a map of channel outpoints to their channelState. All // changes made after setting an entry initially should be made using receiver // methods below. type channelStates map[wire.OutPoint]ChannelState // markEnabled creates a channelState using ChanStatusEnabled. func (s *channelStates) markEnabled(outpoint wire.OutPoint) { (*s)[outpoint] = ChannelState{ Status: ChanStatusEnabled, } } // markDisabled creates a channelState using ChanStatusDisabled. func (s *channelStates) markDisabled(outpoint wire.OutPoint) { (*s)[outpoint] = ChannelState{ Status: ChanStatusDisabled, } } // markPendingDisabled creates a channelState using ChanStatusPendingDisabled // and sets the ChannelState's SendDisableTime to sendDisableTime. func (s *channelStates) markPendingDisabled(outpoint wire.OutPoint, sendDisableTime time.Time) { (*s)[outpoint] = ChannelState{ Status: ChanStatusPendingDisabled, SendDisableTime: sendDisableTime, } }