status-go/whisper/envelope_test.go

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// Copyright 2017 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/>.
// Contains the tests associated with the Whisper protocol Envelope object.
package whisper
import (
mrand "math/rand"
"testing"
"time"
"github.com/ethereum/go-ethereum/crypto"
)
func TestPoWCalculationsWithNoLeadingZeros(t *testing.T) {
e := Envelope{
TTL: 1,
Data: []byte{0xde, 0xad, 0xbe, 0xef},
Nonce: 100000,
}
e.calculatePoW(0)
if e.pow != 0.07692307692307693 {
t.Fatalf("invalid PoW calculation. Expected 0.07692307692307693, got %v", e.pow)
}
}
func TestPoWCalculationsWith8LeadingZeros(t *testing.T) {
e := Envelope{
TTL: 1,
Data: []byte{0xde, 0xad, 0xbe, 0xef},
Nonce: 276,
}
e.calculatePoW(0)
if e.pow != 19.692307692307693 {
t.Fatalf("invalid PoW calculation. Expected 19.692307692307693, got %v", e.pow)
}
}
func TestEnvelopeOpenAcceptsOnlyOneKeyTypeInFilter(t *testing.T) {
symKey := make([]byte, aesKeyLength)
mrand.Read(symKey) // nolint: gosec
asymKey, err := crypto.GenerateKey()
if err != nil {
t.Fatalf("failed GenerateKey with seed %d: %s.", seed, err)
}
params := MessageParams{
PoW: 0.01,
WorkTime: 1,
TTL: uint32(mrand.Intn(1024)), // nolint: gosec
Payload: make([]byte, 50),
KeySym: symKey,
Dst: nil,
}
mrand.Read(params.Payload) // nolint: gosec
msg, err := NewSentMessage(&params)
if err != nil {
t.Fatalf("failed to create new message with seed %d: %s.", seed, err)
}
e, err := msg.Wrap(&params, time.Now())
if err != nil {
t.Fatalf("Failed to Wrap the message in an envelope with seed %d: %s", seed, err)
}
f := Filter{KeySym: symKey, KeyAsym: asymKey}
decrypted := e.Open(&f)
if decrypted != nil {
t.Fatalf("Managed to decrypt a message with an invalid filter, seed %d", seed)
}
}