mirror of
https://github.com/lightningnetwork/lnd.git
synced 2025-02-24 22:58:18 +01:00
a5f3fa17e7
Add the TrueBoolean type along with its Record method. Also update the Millisatoshi type with a Record method. Both of these will be used in an upcoming commit which adjusts a mission control migration to use pure TLV types.
37 lines
855 B
Go
37 lines
855 B
Go
package lnwire
|
|
|
|
import (
|
|
"io"
|
|
|
|
"github.com/lightningnetwork/lnd/tlv"
|
|
)
|
|
|
|
// TrueBoolean is a record that indicates true or false using the presence of
|
|
// the record. If the record is absent, it indicates false. If it is present,
|
|
// it indicates true.
|
|
type TrueBoolean struct{}
|
|
|
|
// Record returns the tlv record for the boolean entry.
|
|
func (b *TrueBoolean) Record() tlv.Record {
|
|
return tlv.MakeStaticRecord(
|
|
0, b, 0, booleanEncoder, booleanDecoder,
|
|
)
|
|
}
|
|
|
|
func booleanEncoder(_ io.Writer, val interface{}, _ *[8]byte) error {
|
|
if _, ok := val.(*TrueBoolean); ok {
|
|
return nil
|
|
}
|
|
|
|
return tlv.NewTypeForEncodingErr(val, "TrueBoolean")
|
|
}
|
|
|
|
func booleanDecoder(_ io.Reader, val interface{}, _ *[8]byte,
|
|
l uint64) error {
|
|
|
|
if _, ok := val.(*TrueBoolean); ok && (l == 0 || l == 1) {
|
|
return nil
|
|
}
|
|
|
|
return tlv.NewTypeForEncodingErr(val, "TrueBoolean")
|
|
}
|