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htlcswitch/test: create genID function

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This commit is contained in:
Joost Jager 2019-10-09 16:11:06 +02:00
parent cf98e99001
commit dcf7a8b871
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1 changed files with 13 additions and 12 deletions
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25
htlcswitch/test_utils.go
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@ -92,27 +92,28 @@ var (
var idSeqNum uint64
func genIDs() (lnwire.ChannelID, lnwire.ChannelID, lnwire.ShortChannelID,
lnwire.ShortChannelID) {
id := atomic.AddUint64(&idSeqNum, 2)
// genID generates a unique tuple to identify a test channel.
func genID() (lnwire.ChannelID, lnwire.ShortChannelID) {
id := atomic.AddUint64(&idSeqNum, 1)
var scratch [8]byte
binary.BigEndian.PutUint64(scratch[:], id)
hash1, _ := chainhash.NewHash(bytes.Repeat(scratch[:], 4))
binary.BigEndian.PutUint64(scratch[:], id+1)
hash2, _ := chainhash.NewHash(bytes.Repeat(scratch[:], 4))
chanPoint1 := wire.NewOutPoint(hash1, uint32(id))
chanPoint2 := wire.NewOutPoint(hash2, uint32(id+1))
chanID1 := lnwire.NewChanIDFromOutPoint(chanPoint1)
chanID2 := lnwire.NewChanIDFromOutPoint(chanPoint2)
aliceChanID := lnwire.NewShortChanIDFromInt(id)
bobChanID := lnwire.NewShortChanIDFromInt(id + 1)
return chanID1, aliceChanID
}
// genIDs generates ids for two test channels.
func genIDs() (lnwire.ChannelID, lnwire.ChannelID, lnwire.ShortChannelID,
lnwire.ShortChannelID) {
chanID1, aliceChanID := genID()
chanID2, bobChanID := genID()
return chanID1, chanID2, aliceChanID, bobChanID
}