// existsAddress takes a bucket and key for an address and responds with
// whether or not the key exists in the database.
func (idx *ExistsAddrIndex) existsAddress(bucket database.Bucket, k [addrKeySize]byte) bool {
if bucket.Get(k[:]) != nil {
return true
}
idx.unconfirmedLock.RLock()
_, exists := idx.mpExistsAddr[k]
idx.unconfirmedLock.RUnlock()
return exists
}
// dbPutExistsAddr uses an existing database transaction to update or add a
// used address index to the database.
func dbPutExistsAddr(bucket database.Bucket, addrKey [addrKeySize]byte) error {
return bucket.Put(addrKey[:], nil)
}