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bench_test.go
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bench_test.go
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package sphinx
import (
"bytes"
"testing"
"github.com/roasbeef/btcd/btcec"
)
var (
s *OnionPacket
p *ProcessedPacket
)
func BenchmarkPathPacketConstruction(b *testing.B) {
b.StopTimer()
route := make([]*btcec.PublicKey, NumMaxHops)
for i := 0; i < NumMaxHops; i++ {
privKey, err := btcec.NewPrivateKey(btcec.S256())
if err != nil {
b.Fatalf("unable to generate key: %v", privKey)
}
route[i] = privKey.PubKey()
}
var (
err error
sphinxPacket *OnionPacket
)
var hopsData []HopData
for i := 0; i < len(route); i++ {
hopsData = append(hopsData, HopData{
Realm: 0x00,
ForwardAmount: uint64(i),
OutgoingCltv: uint32(i),
})
copy(hopsData[i].NextAddress[:], bytes.Repeat([]byte{byte(i)}, 8))
}
d, _ := btcec.PrivKeyFromBytes(btcec.S256(), bytes.Repeat([]byte{'A'}, 32))
b.ReportAllocs()
b.StartTimer()
for i := 0; i < b.N; i++ {
sphinxPacket, err = NewOnionPacket(route, d, hopsData, nil)
if err != nil {
b.Fatalf("unable to create packet: %v", err)
}
}
s = sphinxPacket
}
func BenchmarkProcessPacket(b *testing.B) {
b.StopTimer()
path, _, sphinxPacket, err := newTestRoute(1)
if err != nil {
b.Fatalf("unable to create test route: %v", err)
}
b.ReportAllocs()
path[0].log.Start()
defer shutdown("0", path[0].log)
b.StartTimer()
var (
pkt *ProcessedPacket
)
for i := 0; i < b.N; i++ {
pkt, err = path[0].ProcessOnionPacket(sphinxPacket, nil, uint32(i))
if err != nil {
b.Fatalf("unable to process packet %d: %v", i, err)
}
b.StopTimer()
router := path[0]
shutdown("0", router.log)
path[0] = &Router{
nodeID: router.nodeID,
nodeAddr: router.nodeAddr,
onionKey: router.onionKey,
log: NewDecayedLog("0", nil),
}
path[0].log.Start()
b.StartTimer()
}
p = pkt
}