lnd.xprv/htlcswitch/hodl/config.go

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package hodl
// Config is a struct enumerating the possible command line flags that are used
// to activate specific hodl modes.
//
// NOTE: THESE FLAGS ARE INTENDED FOR TESTING PURPOSES ONLY. ACTIVATING THESE
// FLAGS IN PRODUCTION WILL VIOLATE CRITICAL ASSUMPTIONS MADE BY THIS SOFTWARE.
type Config struct {
ExitSettle bool `long:"exit-settle" description:"Instructs the node to drop ADDs for which it is the exit node, and to not settle back to the sender"`
AddIncoming bool `long:"add-incoming" description:"Instructs the node to drop incoming ADDs before processing them in the incoming link"`
SettleIncoming bool `long:"settle-incoming" description:"Instructs the node to drop incoming SETTLEs before processing them in the incoming link"`
FailIncoming bool `long:"fail-incoming" description:"Instructs the node to drop incoming FAILs before processing them in the incoming link"`
AddOutgoing bool `long:"add-outgoing" description:"Instructs the node to drop outgoing ADDs before applying them to the channel state"`
SettleOutgoing bool `long:"settle-outgoing" description:"Instructs the node to drop outgoing SETTLEs before applying them to the channel state"`
FailOutgoing bool `long:"fail-outgoing" description:"Instructs the node to drop outgoing FAILs before applying them to the channel state"`
Commit bool `long:"commit" description:"Instructs the node to add HTLCs to its local commitment state and to open circuits for any ADDs, but abort before committing the changes"`
BogusSettle bool `long:"bogus-settle" description:"Instructs the node to settle back any incoming HTLC with a bogus preimage"`
}
// Mask extracts the flags specified in the configuration, composing a Mask from
// the active flags.
func (c *Config) Mask() Mask {
var flags []Flag
if c.ExitSettle {
flags = append(flags, ExitSettle)
}
if c.AddIncoming {
flags = append(flags, AddIncoming)
}
if c.SettleIncoming {
flags = append(flags, SettleIncoming)
}
if c.FailIncoming {
flags = append(flags, FailIncoming)
}
if c.AddOutgoing {
flags = append(flags, AddOutgoing)
}
if c.SettleOutgoing {
flags = append(flags, SettleOutgoing)
}
if c.FailOutgoing {
flags = append(flags, FailOutgoing)
}
if c.Commit {
flags = append(flags, Commit)
}
if c.BogusSettle {
flags = append(flags, BogusSettle)
}
// NOTE: The value returned here will only honor the configuration if
// the debug build flag is present. In production, this method always
// returns hodl.MaskNone and Active(*) always returns false.
return MaskFromFlags(flags...)
}