80449719bd
- Fixes #16271. What was appeneded was a pointer to an object that changes during the iteration. - The topic is allocated as a 4-byte array, fill partial topics with 0s. Partial topics are currently disabled, but would crash as they rely on the presence of byte number 3.
79 lines
2.2 KiB
Go
79 lines
2.2 KiB
Go
// Copyright 2018 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package whisperv6
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import (
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"bytes"
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"crypto/ecdsa"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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set "gopkg.in/fatih/set.v0"
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)
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func TestMultipleTopicCopyInNewMessageFilter(t *testing.T) {
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w := &Whisper{
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privateKeys: make(map[string]*ecdsa.PrivateKey),
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symKeys: make(map[string][]byte),
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envelopes: make(map[common.Hash]*Envelope),
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expirations: make(map[uint32]*set.SetNonTS),
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peers: make(map[*Peer]struct{}),
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messageQueue: make(chan *Envelope, messageQueueLimit),
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p2pMsgQueue: make(chan *Envelope, messageQueueLimit),
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quit: make(chan struct{}),
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syncAllowance: DefaultSyncAllowance,
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}
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w.filters = NewFilters(w)
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keyID, err := w.GenerateSymKey()
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if err != nil {
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t.Fatalf("Error generating symmetric key: %v", err)
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}
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api := PublicWhisperAPI{
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w: w,
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lastUsed: make(map[string]time.Time),
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}
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t1 := [4]byte{0xde, 0xea, 0xbe, 0xef}
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t2 := [4]byte{0xca, 0xfe, 0xde, 0xca}
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crit := Criteria{
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SymKeyID: keyID,
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Topics: []TopicType{TopicType(t1), TopicType(t2)},
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}
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_, err = api.NewMessageFilter(crit)
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if err != nil {
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t.Fatalf("Error creating the filter: %v", err)
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}
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found := false
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candidates := w.filters.getWatchersByTopic(TopicType(t1))
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for _, f := range candidates {
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if len(f.Topics) == 2 {
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if bytes.Equal(f.Topics[0], t1[:]) && bytes.Equal(f.Topics[1], t2[:]) {
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found = true
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}
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}
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}
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if !found {
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t.Fatalf("Could not find filter with both topics")
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}
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}
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