path: root/whisper/whisperv5/whisper_test.go

// Copyright 2016 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 whisperv5

import (
    "bytes"
    "testing"
    "time"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/crypto"
)

func TestWhisperBasic(t *testing.T) {
    w := NewWhisper(nil)
    p := w.Protocols()
    shh := p[0]
    if shh.Name != ProtocolName {
        t.Fatalf("failed Protocol Name: %v.", shh.Name)
    }
    if uint64(shh.Version) != ProtocolVersion {
        t.Fatalf("failed Protocol Version: %v.", shh.Version)
    }
    if shh.Length != NumberOfMessageCodes {
        t.Fatalf("failed Protocol Length: %v.", shh.Length)
    }
    if shh.Run == nil {
        t.Fatalf("failed shh.Run.")
    }
    if uint64(w.Version()) != ProtocolVersion {
        t.Fatalf("failed whisper Version: %v.", shh.Version)
    }
    if w.GetFilter(0) != nil {
        t.Fatalf("failed GetFilter.")
    }

    peerID := make([]byte, 64)
    randomize(peerID)
    peer, _ := w.getPeer(peerID)
    if peer != nil {
        t.Fatal("found peer for random key.")
    }
    if err := w.MarkPeerTrusted(peerID); err == nil {
        t.Fatalf("failed MarkPeerTrusted.")
    }
    exist := w.HasSymKey("non-existing")
    if exist {
        t.Fatalf("failed HasSymKey.")
    }
    key := w.GetSymKey("non-existing")
    if key != nil {
        t.Fatalf("failed GetSymKey.")
    }
    mail := w.Envelopes()
    if len(mail) != 0 {
        t.Fatalf("failed w.Envelopes().")
    }
    m := w.Messages(0)
    if len(m) != 0 {
        t.Fatalf("failed w.Messages.")
    }

    var derived []byte
    ver := uint64(0xDEADBEEF)
    if _, err := deriveKeyMaterial(peerID, ver); err != unknownVersionError(ver) {
        t.Fatalf("failed deriveKeyMaterial with param = %v: %s.", peerID, err)
    }
    derived, err := deriveKeyMaterial(peerID, 0)
    if err != nil {
        t.Fatalf("failed second deriveKeyMaterial with param = %v: %s.", peerID, err)
    }
    if !validateSymmetricKey(derived) {
        t.Fatalf("failed validateSymmetricKey with param = %v.", derived)
    }
    if containsOnlyZeros(derived) {
        t.Fatalf("failed containsOnlyZeros with param = %v.", derived)
    }

    buf := []byte{0xFF, 0xE5, 0x80, 0x2, 0}
    le := bytesToIntLittleEndian(buf)
    be := BytesToIntBigEndian(buf)
    if le != uint64(0x280e5ff) {
        t.Fatalf("failed bytesToIntLittleEndian: %d.", le)
    }
    if be != uint64(0xffe5800200) {
        t.Fatalf("failed BytesToIntBigEndian: %d.", be)
    }

    pk := w.NewIdentity()
    if !validatePrivateKey(pk) {
        t.Fatalf("failed validatePrivateKey: %v.", pk)
    }
    if !ValidatePublicKey(&pk.PublicKey) {
        t.Fatalf("failed ValidatePublicKey: %v.", pk)
    }
}

func TestWhisperIdentityManagement(t *testing.T) {
    w := NewWhisper(nil)
    id1 := w.NewIdentity()
    id2 := w.NewIdentity()
    pub1 := common.ToHex(crypto.FromECDSAPub(&id1.PublicKey))
    pub2 := common.ToHex(crypto.FromECDSAPub(&id2.PublicKey))
    pk1 := w.GetIdentity(pub1)
    pk2 := w.GetIdentity(pub2)
    if !w.HasIdentity(pub1) {
        t.Fatalf("failed HasIdentity(pub1).")
    }
    if !w.HasIdentity(pub2) {
        t.Fatalf("failed HasIdentity(pub2).")
    }
    if pk1 != id1 {
        t.Fatalf("failed GetIdentity(pub1).")
    }
    if pk2 != id2 {
        t.Fatalf("failed GetIdentity(pub2).")
    }

    // Delete one identity
    w.DeleteIdentity(pub1)
    pk1 = w.GetIdentity(pub1)
    pk2 = w.GetIdentity(pub2)
    if w.HasIdentity(pub1) {
        t.Fatalf("failed DeleteIdentity(pub1): still exist.")
    }
    if !w.HasIdentity(pub2) {
        t.Fatalf("failed DeleteIdentity(pub1): pub2 does not exist.")
    }
    if pk1 != nil {
        t.Fatalf("failed DeleteIdentity(pub1): first key still exist.")
    }
    if pk2 != id2 {
        t.Fatalf("failed DeleteIdentity(pub1): second key does not exist.")
    }

    // Delete again non-existing identity
    w.DeleteIdentity(pub1)
    pk1 = w.GetIdentity(pub1)
    pk2 = w.GetIdentity(pub2)
    if w.HasIdentity(pub1) {
        t.Fatalf("failed delete non-existing identity: exist.")
    }
    if !w.HasIdentity(pub2) {
        t.Fatalf("failed delete non-existing identity: pub2 does not exist.")
    }
    if pk1 != nil {
        t.Fatalf("failed delete non-existing identity: first key exist.")
    }
    if pk2 != id2 {
        t.Fatalf("failed delete non-existing identity: second key does not exist.")
    }

    // Delete second identity
    w.DeleteIdentity(pub2)
    pk1 = w.GetIdentity(pub1)
    pk2 = w.GetIdentity(pub2)
    if w.HasIdentity(pub1) {
        t.Fatalf("failed delete second identity: first identity exist.")
    }
    if w.HasIdentity(pub2) {
        t.Fatalf("failed delete second identity: still exist.")
    }
    if pk1 != nil {
        t.Fatalf("failed delete second identity: first key exist.")
    }
    if pk2 != nil {
        t.Fatalf("failed delete second identity: second key exist.")
    }
}

func TestWhisperSymKeyManagement(t *testing.T) {
    InitSingleTest()

    var k1, k2 []byte
    w := NewWhisper(nil)
    id1 := string("arbitrary-string-1")
    id2 := string("arbitrary-string-2")

    err := w.GenerateSymKey(id1)
    if err != nil {
        t.Fatalf("failed GenerateSymKey with seed %d: %s.", seed, err)
    }

    k1 = w.GetSymKey(id1)
    k2 = w.GetSymKey(id2)
    if !w.HasSymKey(id1) {
        t.Fatalf("failed HasSymKey(id1).")
    }
    if w.HasSymKey(id2) {
        t.Fatalf("failed HasSymKey(id2).")
    }
    if k1 == nil {
        t.Fatalf("first key does not exist.")
    }
    if k2 != nil {
        t.Fatalf("second key still exist.")
    }

    // add existing id, nothing should change
    randomKey := make([]byte, 16)
    randomize(randomKey)
    err = w.AddSymKey(id1, randomKey)
    if err == nil {
        t.Fatalf("failed AddSymKey with seed %d.", seed)
    }

    k1 = w.GetSymKey(id1)
    k2 = w.GetSymKey(id2)
    if !w.HasSymKey(id1) {
        t.Fatalf("failed w.HasSymKey(id1).")
    }
    if w.HasSymKey(id2) {
        t.Fatalf("failed w.HasSymKey(id2).")
    }
    if k1 == nil {
        t.Fatalf("first key does not exist.")
    }
    if bytes.Equal(k1, randomKey) {
        t.Fatalf("k1 == randomKey.")
    }
    if k2 != nil {
        t.Fatalf("second key already exist.")
    }

    err = w.AddSymKey(id2, randomKey) // add non-existing (yet)
    if err != nil {
        t.Fatalf("failed AddSymKey(id2) with seed %d: %s.", seed, err)
    }
    k1 = w.GetSymKey(id1)
    k2 = w.GetSymKey(id2)
    if !w.HasSymKey(id1) {
        t.Fatalf("HasSymKey(id1) failed.")
    }
    if !w.HasSymKey(id2) {
        t.Fatalf("HasSymKey(id2) failed.")
    }
    if k1 == nil {
        t.Fatalf("k1 does not exist.")
    }
    if k2 == nil {
        t.Fatalf("k2 does not exist.")
    }
    if bytes.Equal(k1, k2) {
        t.Fatalf("k1 == k2.")
    }
    if bytes.Equal(k1, randomKey) {
        t.Fatalf("k1 == randomKey.")
    }
    if len(k1) != aesKeyLength {
        t.Fatalf("wrong length of k1.")
    }
    if len(k2) != aesKeyLength {
        t.Fatalf("wrong length of k2.")
    }

    w.DeleteSymKey(id1)
    k1 = w.GetSymKey(id1)
    k2 = w.GetSymKey(id2)
    if w.HasSymKey(id1) {
        t.Fatalf("failed to delete first key: still exist.")
    }
    if !w.HasSymKey(id2) {
        t.Fatalf("failed to delete first key: second key does not exist.")
    }
    if k1 != nil {
        t.Fatalf("failed to delete first key.")
    }
    if k2 == nil {
        t.Fatalf("failed to delete first key: second key is nil.")
    }

    w.DeleteSymKey(id1)
    w.DeleteSymKey(id2)
    k1 = w.GetSymKey(id1)
    k2 = w.GetSymKey(id2)
    if w.HasSymKey(id1) {
        t.Fatalf("failed to delete second key: first key exist.")
    }
    if w.HasSymKey(id2) {
        t.Fatalf("failed to delete second key: still exist.")
    }
    if k1 != nil {
        t.Fatalf("failed to delete second key: first key is not nil.")
    }
    if k2 != nil {
        t.Fatalf("failed to delete second key: second key is not nil.")
    }
}

func TestExpiry(t *testing.T) {
    InitSingleTest()

    w := NewWhisper(nil)
    w.test = true
    w.Start(nil)
    defer w.Stop()

    params, err := generateMessageParams()
    if err != nil {
        t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
    }

    params.TTL = 1
    msg := NewSentMessage(params)
    env, err := msg.Wrap(params)
    if err != nil {
        t.Fatalf("failed Wrap with seed %d: %s.", seed, err)
    }

    err = w.Send(env)
    if err != nil {
        t.Fatalf("failed to send envelope with seed %d: %s.", seed, err)
    }

    // wait till received or timeout
    var received, expired bool
    for j := 0; j < 20; j++ {
        time.Sleep(100 * time.Millisecond)
        if len(w.Envelopes()) > 0 {
            received = true
            break
        }
    }

    if !received {
        t.Fatalf("did not receive the sent envelope, seed: %d.", seed)
    }

    // wait till expired or timeout
    for j := 0; j < 20; j++ {
        time.Sleep(100 * time.Millisecond)
        if len(w.Envelopes()) == 0 {
            expired = true
            break
        }
    }

    if !expired {
        t.Fatalf("expire failed, seed: %d.", seed)
    }
}