Use a harcoded key to generate filters

Pointed out by alex@. Using a dummy key for now.
This commit is contained in:
pedro martelletto 2017-01-10 12:53:21 +00:00 committed by Olaoluwa Osuntokun
parent dc25da8296
commit c8627cbee4

View file

@ -771,8 +771,7 @@ func (sp *serverPeer) OnGetCBFilter(_ *peer.Peer, msg *wire.MsgGetCBFilter) {
P := uint8(20) // collision probability
for i := 0; i < gcs.KeySize; i += 4 {
binary.BigEndian.PutUint32(key[i:],
randomUint32Number(math.MaxUint32))
binary.BigEndian.PutUint32(key[i:], uint32(0xcafebabe))
}
filter, err := gcs.BuildGCSFilter(P, key, txHashes)
@ -1013,24 +1012,6 @@ func randomUint16Number(max uint16) uint16 {
}
}
// randomUint32Number returns a random uint32 in a specified input range. Note
// that the range is in zeroth ordering; if you pass it 1800, you will get
// values from 0 to 1800.
func randomUint32Number(max uint32) uint32 {
// In order to avoid modulo bias and ensure every possible outcome in
// [0, max) has equal probability, the random number must be sampled
// from a random source that has a range limited to a multiple of the
// modulus.
var randomNumber uint32
var limitRange = (math.MaxUint32 / max) * max
for {
binary.Read(rand.Reader, binary.LittleEndian, &randomNumber)
if randomNumber < limitRange {
return (randomNumber % max)
}
}
}
// AddRebroadcastInventory adds 'iv' to the list of inventories to be
// rebroadcasted at random intervals until they show up in a block.
func (s *server) AddRebroadcastInventory(iv *wire.InvVect, data interface{}) {