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lnwire+multi: define HasMaxHtlc helper on msgFlags

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This commit is contained in:
Johan T. Halseth
2019-01-16 12:43:46 +01:00
parent 4fb1536f54
commit 7d34ce9d08
4 changed files with 14 additions and 8 deletions
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12
lnwire/channel_update.go
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@@ -24,6 +24,12 @@ func (c ChanUpdateMsgFlags) String() string {
return fmt.Sprintf("%08b", c)
}
// HasMaxHtlc returns true if the htlc_maximum_msat option bit is set in the
// message flags.
func (c ChanUpdateMsgFlags) HasMaxHtlc() bool {
return c&ChanUpdateOptionMaxHtlc != 0
}
// ChanUpdateChanFlags is a bitfield that signals various options concerning a
// particular channel edge. Each bit is to be examined in order to determine
// how the ChannelUpdate message is to be interpreted.
@@ -139,7 +145,7 @@ func (a *ChannelUpdate) Decode(r io.Reader, pver uint32) error {
}
// Now check whether the max HTLC field is present and read it if so.
if a.MessageFlags&ChanUpdateOptionMaxHtlc != 0 {
if a.MessageFlags.HasMaxHtlc() {
if err := ReadElements(r, &a.HtlcMaximumMsat); err != nil {
return err
}
@@ -183,7 +189,7 @@ func (a *ChannelUpdate) Encode(w io.Writer, pver uint32) error {
// Now append optional fields if they are set. Currently, the only
// optional field is max HTLC.
if a.MessageFlags&ChanUpdateOptionMaxHtlc != 0 {
if a.MessageFlags.HasMaxHtlc() {
if err := WriteElements(w, a.HtlcMaximumMsat); err != nil {
return err
}
@@ -232,7 +238,7 @@ func (a *ChannelUpdate) DataToSign() ([]byte, error) {
// Now append optional fields if they are set. Currently, the only
// optional field is max HTLC.
if a.MessageFlags&ChanUpdateOptionMaxHtlc != 0 {
if a.MessageFlags.HasMaxHtlc() {
if err := WriteElements(&w, a.HtlcMaximumMsat); err != nil {
return nil, err
}