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// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum 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.
//
// go-ethereum 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 go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package whisper
import (
"bytes"
"testing"
"time"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/crypto/ecies"
)
func TestEnvelopeOpen(t *testing.T) {
payload := []byte("hello world")
message := NewMessage(payload)
envelope, err := message.Wrap(DefaultPoW, Options{})
if err != nil {
t.Fatalf("failed to wrap message: %v", err)
}
opened, err := envelope.Open(nil)
if err != nil {
t.Fatalf("failed to open envelope: %v", err)
}
if opened.Flags != message.Flags {
t.Fatalf("flags mismatch: have %d, want %d", opened.Flags, message.Flags)
}
if bytes.Compare(opened.Signature, message.Signature) != 0 {
t.Fatalf("signature mismatch: have 0x%x, want 0x%x", opened.Signature, message.Signature)
}
if bytes.Compare(opened.Payload, message.Payload) != 0 {
t.Fatalf("payload mismatch: have 0x%x, want 0x%x", opened.Payload, message.Payload)
}
if opened.Sent.Unix() != message.Sent.Unix() {
t.Fatalf("send time mismatch: have %d, want %d", opened.Sent, message.Sent)
}
if opened.TTL/time.Second != DefaultTTL/time.Second {
t.Fatalf("message TTL mismatch: have %v, want %v", opened.TTL, DefaultTTL)
}
if opened.Hash != envelope.Hash() {
t.Fatalf("message hash mismatch: have 0x%x, want 0x%x", opened.Hash, envelope.Hash())
}
}
func TestEnvelopeAnonymousOpenUntargeted(t *testing.T) {
payload := []byte("hello envelope")
envelope, err := NewMessage(payload).Wrap(DefaultPoW, Options{})
if err != nil {
t.Fatalf("failed to wrap message: %v", err)
}
opened, err := envelope.Open(nil)
if err != nil {
t.Fatalf("failed to open envelope: %v", err)
}
if opened.To != nil {
t.Fatalf("recipient mismatch: have 0x%x, want nil", opened.To)
}
if bytes.Compare(opened.Payload, payload) != 0 {
t.Fatalf("payload mismatch: have 0x%x, want 0x%x", opened.Payload, payload)
}
}
func TestEnvelopeAnonymousOpenTargeted(t *testing.T) {
key, err := crypto.GenerateKey()
if err != nil {
t.Fatalf("failed to generate test identity: %v", err)
}
payload := []byte("hello envelope")
envelope, err := NewMessage(payload).Wrap(DefaultPoW, Options{
To: &key.PublicKey,
})
if err != nil {
t.Fatalf("failed to wrap message: %v", err)
}
opened, err := envelope.Open(nil)
if err != nil {
t.Fatalf("failed to open envelope: %v", err)
}
if opened.To != nil {
t.Fatalf("recipient mismatch: have 0x%x, want nil", opened.To)
}
if bytes.Compare(opened.Payload, payload) == 0 {
t.Fatalf("payload match, should have been encrypted: 0x%x", opened.Payload)
}
}
func TestEnvelopeIdentifiedOpenUntargeted(t *testing.T) {
key, err := crypto.GenerateKey()
if err != nil {
t.Fatalf("failed to generate test identity: %v", err)
}
payload := []byte("hello envelope")
envelope, err := NewMessage(payload).Wrap(DefaultPoW, Options{})
if err != nil {
t.Fatalf("failed to wrap message: %v", err)
}
opened, err := envelope.Open(key)
switch err {
case nil:
t.Fatalf("envelope opened with bad key: %v", opened)
case ecies.ErrInvalidPublicKey:
// Ok, key mismatch but opened
default:
t.Fatalf("failed to open envelope: %v", err)
}
if opened.To != nil {
t.Fatalf("recipient mismatch: have 0x%x, want nil", opened.To)
}
if bytes.Compare(opened.Payload, payload) != 0 {
t.Fatalf("payload mismatch: have 0x%x, want 0x%x", opened.Payload, payload)
}
}
func TestEnvelopeIdentifiedOpenTargeted(t *testing.T) {
key, err := crypto.GenerateKey()
if err != nil {
t.Fatalf("failed to generate test identity: %v", err)
}
payload := []byte("hello envelope")
envelope, err := NewMessage(payload).Wrap(DefaultPoW, Options{
To: &key.PublicKey,
})
if err != nil {
t.Fatalf("failed to wrap message: %v", err)
}
opened, err := envelope.Open(key)
if err != nil {
t.Fatalf("failed to open envelope: %v", err)
}
if opened.To != nil {
t.Fatalf("recipient mismatch: have 0x%x, want nil", opened.To)
}
if bytes.Compare(opened.Payload, payload) != 0 {
t.Fatalf("payload mismatch: have 0x%x, want 0x%x", opened.Payload, payload)
}
}
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