path: root/whisper/whisperv6/api_test.go

// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package whisperv6

import (
    "bytes"
    "crypto/ecdsa"
    "testing"
    "time"

    "github.com/ethereum/go-ethereum/common"
    set "gopkg.in/fatih/set.v0"
)

func TestMultipleTopicCopyInNewMessageFilter(t *testing.T) {
    w := &Whisper{
        privateKeys:   make(map[string]*ecdsa.PrivateKey),
        symKeys:       make(map[string][]byte),
        envelopes:     make(map[common.Hash]*Envelope),
        expirations:   make(map[uint32]*set.SetNonTS),
        peers:         make(map[*Peer]struct{}),
        messageQueue:  make(chan *Envelope, messageQueueLimit),
        p2pMsgQueue:   make(chan *Envelope, messageQueueLimit),
        quit:          make(chan struct{}),
        syncAllowance: DefaultSyncAllowance,
    }
    w.filters = NewFilters(w)

    keyID, err := w.GenerateSymKey()
    if err != nil {
        t.Fatalf("Error generating symmetric key: %v", err)
    }
    api := PublicWhisperAPI{
        w:        w,
        lastUsed: make(map[string]time.Time),
    }

    t1 := [4]byte{0xde, 0xea, 0xbe, 0xef}
    t2 := [4]byte{0xca, 0xfe, 0xde, 0xca}

    crit := Criteria{
        SymKeyID: keyID,
        Topics:   []TopicType{TopicType(t1), TopicType(t2)},
    }

    _, err = api.NewMessageFilter(crit)
    if err != nil {
        t.Fatalf("Error creating the filter: %v", err)
    }

    found := false
    candidates := w.filters.getWatchersByTopic(TopicType(t1))
    for _, f := range candidates {
        if len(f.Topics) == 2 {
            if bytes.Equal(f.Topics[0], t1[:]) && bytes.Equal(f.Topics[1], t2[:]) {
                found = true
            }
        }
    }

    if !found {
        t.Fatalf("Could not find filter with both topics")
    }
}