status-go/protocol/v1/membership_update_message_t...

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package protocol
import (
"testing"
"github.com/golang/protobuf/proto"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
2020-01-02 09:10:19 +00:00
"github.com/status-im/status-go/eth-node/crypto"
"github.com/status-im/status-go/protocol/protobuf"
)
var (
testMembershipUpdateMessageStruct = MembershipUpdateMessage{
ChatID: "chat-id",
Events: []MembershipUpdateEvent{
{
Type: protobuf.MembershipUpdateEvent_CHAT_CREATED,
Name: "thathata",
ChatID: "chat-id",
ClockValue: 156897373998501,
},
{
Type: protobuf.MembershipUpdateEvent_MEMBERS_ADDED,
Members: []string{"0x04aebe2bb01a988abe7d978662f21de7760486119876c680e5a559e38e086a2df6dad41c4e4d9079c03db3bced6cb70fca76afc5650e50ea19b81572046a813534"},
ChatID: "chat-id",
ClockValue: 156897373998502,
},
},
}
)
func TestSignMembershipUpdate(t *testing.T) {
key, err := crypto.HexToECDSA("838fbdd1b670209a258b90af25653a018bc582c44c56e6290a973eebbeb15732")
require.NoError(t, err)
event := &testMembershipUpdateMessageStruct.Events[0]
err = event.Sign(key)
require.NoError(t, err)
encodedEvent, err := proto.Marshal(event.ToProtobuf())
require.NoError(t, err)
var signatureMaterial []byte
signatureMaterial = append(signatureMaterial, []byte(testMembershipUpdateMessageStruct.ChatID)...)
signatureMaterial = crypto.Keccak256(append(signatureMaterial, encodedEvent...))
expected, err := crypto.Sign(signatureMaterial, key)
require.NoError(t, err)
require.Equal(t, encodedEvent, event.RawPayload)
require.Equal(t, expected, event.Signature)
// Sign the other event
err = testMembershipUpdateMessageStruct.Events[1].Sign(key)
require.NoError(t, err)
// Encode message
encodedMessage, err := testMembershipUpdateMessageStruct.ToProtobuf()
require.NoError(t, err)
// Verify it
verifiedMessage, err := MembershipUpdateMessageFromProtobuf(encodedMessage)
require.NoError(t, err)
require.Equal(t, verifiedMessage, &testMembershipUpdateMessageStruct)
}
func TestGroupCreator(t *testing.T) {
key, err := crypto.GenerateKey()
require.NoError(t, err)
g, err := NewGroupWithCreator("abc", "#fa6565", 20, key)
require.NoError(t, err)
creator, err := g.creator()
require.NoError(t, err)
require.Equal(t, publicKeyToString(&key.PublicKey), creator)
}
func TestGroupProcessEvent(t *testing.T) {
createGroup := func(admins, members, joined []string, name string, color string, image string) Group {
return Group{
name: name,
color: color,
image: []byte(image),
admins: newStringSetFromSlice(admins),
members: newStringSetFromSlice(members),
}
}
const emptyName = ""
const emptyColor = ""
const emptyImage = ""
testCases := []struct {
Name string
Group Group
Result Group
From string
Event MembershipUpdateEvent
}{
{
Name: "chat-created event",
Group: createGroup(nil, nil, nil, emptyName, emptyColor, emptyImage),
Result: createGroup([]string{"0xabc"}, []string{"0xabc"}, []string{"0xabc"}, "some-name", "#7cda00", emptyImage),
From: "0xabc",
Event: NewChatCreatedEvent("some-name", "#7cda00", 0),
},
{
Name: "name-changed event",
Group: createGroup(nil, nil, nil, emptyName, emptyColor, emptyImage),
Result: createGroup(nil, nil, nil, "some-name", emptyColor, emptyImage),
From: "0xabc",
Event: NewNameChangedEvent("some-name", 0),
},
{
Name: "color-changed event",
Group: createGroup(nil, nil, nil, emptyName, emptyColor, emptyImage),
Result: createGroup(nil, nil, nil, emptyName, "#7cda00", emptyImage),
From: "0xabc",
Event: NewColorChangedEvent("#7cda00", 0),
},
{
Name: "image-changed event",
Group: createGroup(nil, nil, nil, emptyName, emptyColor, emptyImage),
Result: createGroup(nil, nil, nil, emptyName, emptyColor, "123"),
From: "0xabc",
Event: NewImageChangedEvent([]byte("123"), 0),
},
{
Name: "admins-added event",
Group: createGroup(nil, nil, nil, emptyName, emptyColor, emptyImage),
Result: createGroup([]string{"0xabc", "0x123"}, nil, nil, emptyName, emptyColor, emptyImage),
From: "0xabc",
Event: NewAdminsAddedEvent([]string{"0xabc", "0x123"}, 0),
},
{
Name: "admin-removed event",
Group: createGroup([]string{"0xabc", "0xdef"}, nil, nil, emptyName, emptyColor, emptyImage),
Result: createGroup([]string{"0xdef"}, nil, nil, emptyName, emptyColor, emptyImage),
From: "0xabc",
Event: NewAdminRemovedEvent("0xabc", 0),
},
{
Name: "members-added event",
Group: createGroup(nil, nil, nil, emptyName, emptyColor, emptyImage),
Result: createGroup(nil, []string{"0xabc", "0xdef"}, nil, emptyName, emptyColor, emptyImage),
From: "0xabc",
Event: NewMembersAddedEvent([]string{"0xabc", "0xdef"}, 0),
},
{
Name: "member-removed event",
Group: createGroup(nil, []string{"0xabc", "0xdef"}, []string{"0xdef", "0xabc"}, emptyName, emptyColor, emptyImage),
Result: createGroup(nil, []string{"0xdef"}, []string{"0xdef"}, emptyName, emptyColor, emptyImage),
From: "0xabc",
Event: NewMemberRemovedEvent("0xabc", 0),
},
{
Name: "member-joined event",
Group: createGroup(nil, []string{"0xabc", "0xdef"}, []string{"0xabc"}, emptyName, emptyColor, emptyImage),
Result: createGroup(nil, []string{"0xabc", "0xdef"}, []string{"0xabc", "0xdef"}, emptyName, emptyColor, emptyImage),
From: "0xdef",
Event: NewMemberJoinedEvent(0),
},
}
for _, tc := range testCases {
t.Run(tc.Name, func(t *testing.T) {
g := tc.Group
tc.Event.From = tc.From
g.processEvent(tc.Event)
require.EqualValues(t, tc.Result, g)
})
}
}
func TestGroupValidateEvent(t *testing.T) {
createGroup := func(admins, members []string) Group {
return Group{
admins: newStringSetFromSlice(admins),
members: newStringSetFromSlice(members),
}
}
testCases := []struct {
Name string
From string
Group Group
Event MembershipUpdateEvent
Result bool
}{
{
Name: "chat-created with empty admins and members",
Group: createGroup(nil, nil),
From: "0xabc",
Event: NewChatCreatedEvent("test", "#fa6565", 0),
Result: true,
},
{
Name: "chat-created with existing admins",
Group: createGroup([]string{"0xabc"}, nil),
From: "0xabc",
Event: NewChatCreatedEvent("test", "#fa6565", 0),
Result: false,
},
{
Name: "chat-created with existing members",
Group: createGroup(nil, []string{"0xabc"}),
From: "0xabc",
Event: NewChatCreatedEvent("test", "#fa6565", 0),
Result: false,
},
{
Name: "name-changed allowed because from is admin",
From: "0xabc",
Group: createGroup([]string{"0xabc"}, nil),
Event: NewNameChangedEvent("new-name", 0),
Result: true,
},
{
Name: "name-changed not allowed for non-admins",
From: "0xabc",
Group: createGroup(nil, nil),
Event: NewNameChangedEvent("new-name", 0),
Result: false,
},
{
Name: "color-changed allowed because from is admin",
From: "0xabc",
Group: createGroup([]string{"0xabc"}, nil),
Event: NewColorChangedEvent("#7cda00", 0),
Result: true,
},
{
Name: "color-changed not allowed for non-admins",
From: "0xabc",
Group: createGroup(nil, nil),
Event: NewColorChangedEvent("#7cda00", 0),
Result: false,
},
{
Name: "image-changed allowed because from is admin",
From: "0xabc",
Group: createGroup([]string{"0xabc"}, nil),
Event: NewImageChangedEvent([]byte{1, 2, 3}, 0),
Result: true,
},
{
Name: "image-changed not allowed for non-admins",
From: "0xabc",
Group: createGroup(nil, nil),
Event: NewImageChangedEvent([]byte{1, 2, 3}, 0),
Result: false,
},
{
Name: "members-added allowed because from is admin",
From: "0xabc",
Group: createGroup([]string{"0xabc"}, nil),
Event: NewMembersAddedEvent([]string{"0x123"}, 0),
Result: true,
},
{
Name: "members-added not allowed for non-admins",
From: "0xabc",
Group: createGroup(nil, nil),
Event: NewMembersAddedEvent([]string{"0x123"}, 0),
Result: false,
},
{
Name: "member-removed allowed because removing themselves",
From: "0xabc",
Group: createGroup(nil, nil),
Event: NewMemberRemovedEvent("0xabc", 0),
Result: true,
},
{
Name: "member-removed allowed because from is admin",
From: "0xabc",
Group: createGroup([]string{"0xabc"}, nil),
Event: NewMemberRemovedEvent("0x123", 0),
Result: true,
},
{
Name: "member-removed not allowed for non-admins",
From: "0xabc",
Group: createGroup(nil, nil),
Event: NewMemberRemovedEvent("0x123", 0),
Result: false,
},
{
Name: "member-joined must be in members",
From: "0xabc",
Group: createGroup(nil, []string{"0xabc"}),
Event: NewMemberJoinedEvent(0),
Result: true,
},
{
Name: "member-joined not valid because not in members",
From: "0xabc",
Group: createGroup(nil, nil),
Event: NewMemberJoinedEvent(0),
Result: false,
},
{
Name: "member-joined not valid because from differs from the event",
From: "0xdef",
Group: createGroup(nil, nil),
Event: NewMemberJoinedEvent(0),
Result: false,
},
{
Name: "admins-added allowed because originating from other admin",
From: "0xabc",
Group: createGroup([]string{"0xabc", "0x123"}, []string{"0xdef", "0xghi"}),
Event: NewAdminsAddedEvent([]string{"0xdef"}, 0),
Result: true,
},
{
Name: "admins-added not allowed because not from admin",
From: "0xabc",
Group: createGroup([]string{"0x123"}, []string{"0xdef", "0xghi"}),
Event: NewAdminsAddedEvent([]string{"0xdef"}, 0),
Result: false,
},
{
Name: "admins-added not allowed because not in members",
From: "0xabc",
Group: createGroup([]string{"0xabc", "0x123"}, []string{"0xghi"}),
Event: NewAdminsAddedEvent([]string{"0xdef"}, 0),
Result: false,
},
{
Name: "admin-removed allowed because is admin and removes themselves",
From: "0xabc",
Group: createGroup([]string{"0xabc"}, nil),
Event: NewAdminRemovedEvent("0xabc", 0),
Result: true,
},
{
Name: "admin-removed not allowed because not themselves",
From: "0xabc",
Group: createGroup([]string{"0xabc", "0xdef"}, nil),
Event: NewAdminRemovedEvent("0xdef", 0),
Result: false,
},
{
Name: "admin-removed not allowed because not admin",
From: "0xdef",
Group: createGroup([]string{"0xabc"}, nil),
Event: NewAdminRemovedEvent("0xabc", 0),
Result: false,
},
}
for _, tc := range testCases {
t.Run(tc.Name, func(t *testing.T) {
tc.Event.From = tc.From
result := tc.Group.validateEvent(tc.Event)
assert.Equal(t, tc.Result, result)
})
}
}
func TestMembershipUpdateEventEqual(t *testing.T) {
u1 := MembershipUpdateEvent{
Type: protobuf.MembershipUpdateEvent_CHAT_CREATED,
ClockValue: 1,
Members: []string{"0xabc"},
Name: "abc",
Signature: []byte("signature"),
}
require.True(t, u1.Equal(u1))
// Verify equality breaking.
u2 := u1
u2.Signature = []byte("different-signature")
require.False(t, u1.Equal(u2))
}
func TestAbridgedEvents(t *testing.T) {
var clock uint64 = 0
creator, err := crypto.GenerateKey()
require.NoError(t, err)
creatorID := publicKeyToString(&creator.PublicKey)
member1, err := crypto.GenerateKey()
require.NoError(t, err)
member1ID := publicKeyToString(&member1.PublicKey)
member2, err := crypto.GenerateKey()
require.NoError(t, err)
member2ID := publicKeyToString(&member2.PublicKey)
member3, err := crypto.GenerateKey()
require.NoError(t, err)
member3ID := publicKeyToString(&member3.PublicKey)
member4, err := crypto.GenerateKey()
require.NoError(t, err)
member4ID := publicKeyToString(&member4.PublicKey)
g, err := NewGroupWithCreator("name-0", "#fa6565", clock, creator)
require.NoError(t, err)
clock++
// Full events is only a single one
require.Len(t, g.Events(), 1)
// same as abridged
require.Len(t, g.AbridgedEvents(&creator.PublicKey), 1)
// We change name of the chat
nameChangedEvent1 := NewNameChangedEvent("name-1", clock)
nameChangedEvent1.From = creatorID
nameChangedEvent1.ChatID = g.chatID
err = g.ProcessEvent(nameChangedEvent1)
require.NoError(t, err)
clock++
// We change name of the chat again
nameChangedEvent2 := NewNameChangedEvent("name-2", clock)
nameChangedEvent2.From = creatorID
nameChangedEvent2.ChatID = g.chatID
err = g.ProcessEvent(nameChangedEvent2)
require.NoError(t, err)
clock++
// Full events is 3 events
require.Len(t, g.Events(), 3)
// While abridged should exclude the first name-1 event
require.Len(t, g.AbridgedEvents(&creator.PublicKey), 2)
require.Equal(t, g.AbridgedEvents(&creator.PublicKey)[1].Name, "name-2")
// Add a new member
newMemberEvent1 := NewMembersAddedEvent([]string{member1ID}, clock)
newMemberEvent1.From = creatorID
newMemberEvent1.ChatID = g.chatID
err = g.ProcessEvent(newMemberEvent1)
require.NoError(t, err)
clock++
// Full events is 4 events
require.Len(t, g.Events(), 4)
// While abridged, given we are the creator, we only take 2 events and ignore
// the member created event
require.Len(t, g.AbridgedEvents(&creator.PublicKey), 2)
require.Equal(t, g.AbridgedEvents(&creator.PublicKey)[1].Name, "name-2")
// While abridged, given we are the new member, we take 3 events
// that are relevant to us
require.Len(t, g.AbridgedEvents(&member1.PublicKey), 3)
require.Equal(t, g.AbridgedEvents(&member1.PublicKey)[1].Name, "name-2")
require.Equal(t, g.AbridgedEvents(&member1.PublicKey)[2].Members, []string{member1ID})
// We join the chat
joinedEvent1 := NewMemberJoinedEvent(clock)
joinedEvent1.From = member1ID
joinedEvent1.ChatID = g.chatID
err = g.ProcessEvent(joinedEvent1)
require.NoError(t, err)
clock++
// Full events is 5 events
require.Len(t, g.Events(), 5)
// While abridged, given we are the creator, we only take 2 events and ignore
// the member created event
require.Len(t, g.AbridgedEvents(&creator.PublicKey), 2)
require.Equal(t, g.AbridgedEvents(&creator.PublicKey)[1].Name, "name-2")
// While abridged, given we are the new member, we take 4 events
// that are relevant to us
require.Len(t, g.AbridgedEvents(&member1.PublicKey), 4)
// Next is the tricky case, a user that has been invited by someone
// made an admin. We need to follow the history of admins so
// that whoever receives the message can see that Creator-> Invited A -> Made A admin -> A Invited B
// Creator makes member1 Admin
addedAdminEvent1 := NewAdminsAddedEvent([]string{member1ID}, clock)
addedAdminEvent1.From = creatorID
addedAdminEvent1.ChatID = g.chatID
err = g.ProcessEvent(addedAdminEvent1)
require.NoError(t, err)
clock++
// member1 adds member2
newMemberEvent2 := NewMembersAddedEvent([]string{member2ID}, clock)
newMemberEvent2.From = member1ID
newMemberEvent2.ChatID = g.chatID
err = g.ProcessEvent(newMemberEvent2)
require.NoError(t, err)
clock++
// member1 makes member2 admin
addedAdminEvent2 := NewAdminsAddedEvent([]string{member2ID}, clock)
addedAdminEvent2.From = member1ID
addedAdminEvent2.ChatID = g.chatID
err = g.ProcessEvent(addedAdminEvent2)
require.NoError(t, err)
clock++
// member2 adds member3
newMemberEvent3 := NewMembersAddedEvent([]string{member3ID}, clock)
newMemberEvent3.From = member2ID
newMemberEvent3.ChatID = g.chatID
err = g.ProcessEvent(newMemberEvent3)
require.NoError(t, err)
clock++
// member1 makes member3 admin
addedAdminEvent3 := NewAdminsAddedEvent([]string{member3ID}, clock)
addedAdminEvent3.From = member1ID
addedAdminEvent3.ChatID = g.chatID
err = g.ProcessEvent(addedAdminEvent3)
require.NoError(t, err)
clock++
// member3 adds member4
newMemberEvent4 := NewMembersAddedEvent([]string{member4ID}, clock)
newMemberEvent4.From = member3ID
newMemberEvent4.ChatID = g.chatID
err = g.ProcessEvent(newMemberEvent4)
require.NoError(t, err)
// Now we check that the history has been correctly followed
// Full events is 4 events
require.Len(t, g.Events(), 11)
// While abridged, given we are the creator, we only take 2 events and ignore
// the member created event
require.Len(t, g.AbridgedEvents(&creator.PublicKey), 2)
require.Equal(t, g.AbridgedEvents(&creator.PublicKey)[1].Name, "name-2")
// While abridged, given we are the new member, we take 3 events
// that are relevant to us
require.Len(t, g.AbridgedEvents(&member4.PublicKey), 9)
// We build a group from the abridged events
group, err := NewGroupWithEvents(g.chatID, g.AbridgedEvents(&member4.PublicKey))
require.NoError(t, err)
// Make sure the chatID, name is the same
require.Equal(t, g.name, group.name)
require.Equal(t, g.chatID, group.chatID)
// Make sure that user 4 is a member
require.True(t, group.IsMember(member4ID))
}