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

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package protocol
import (
"encoding/hex"
"strings"
"testing"
"unicode"
"github.com/ethereum/go-ethereum/crypto"
protocrypto "github.com/status-im/status-go/protocol/crypto"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
testMembershipUpdateMessageBytes = []byte(`["~#g5",["072ea460-84d3-53c5-9979-1ca36fb5d1020x0424a68f89ba5fcd5e0640c1e1f591d561fa4125ca4e2a43592bc4123eca10ce064e522c254bb83079ba404327f6eafc01ec90a1444331fe769d3f3a7f90b0dde1",["~#list",[["^ ","~:chat-id","072ea460-84d3-53c5-9979-1ca36fb5d1020x0424a68f89ba5fcd5e0640c1e1f591d561fa4125ca4e2a43592bc4123eca10ce064e522c254bb83079ba404327f6eafc01ec90a1444331fe769d3f3a7f90b0dde1","~:events",[["^ ","~:type","chat-created","~:name","thathata","~:clock-value",156897373998501],["^ ","^4","members-added","^6",156897373998502,"~:members",["~#set",["0x04aebe2bb01a988abe7d978662f21de7760486119876c680e5a559e38e086a2df6dad41c4e4d9079c03db3bced6cb70fca76afc5650e50ea19b81572046a813534"]]]],"~:signature","7fca3d614cf55bc6cdf9c17fd1e65d1688673322bf1f004c58c78e0927edefea3d1053bf6a9d2e058ae88079f588105dccf2a2f9f330f6035cd47c715ee5950601"]]],null]]`)
testMembershipUpdateMessageStruct = MembershipUpdateMessage{
ChatID: "072ea460-84d3-53c5-9979-1ca36fb5d1020x0424a68f89ba5fcd5e0640c1e1f591d561fa4125ca4e2a43592bc4123eca10ce064e522c254bb83079ba404327f6eafc01ec90a1444331fe769d3f3a7f90b0dde1",
Updates: []MembershipUpdate{
{
ChatID: "072ea460-84d3-53c5-9979-1ca36fb5d1020x0424a68f89ba5fcd5e0640c1e1f591d561fa4125ca4e2a43592bc4123eca10ce064e522c254bb83079ba404327f6eafc01ec90a1444331fe769d3f3a7f90b0dde1",
Signature: "7fca3d614cf55bc6cdf9c17fd1e65d1688673322bf1f004c58c78e0927edefea3d1053bf6a9d2e058ae88079f588105dccf2a2f9f330f6035cd47c715ee5950601",
Events: []MembershipUpdateEvent{
{
Type: MembershipUpdateChatCreated,
Name: "thathata",
ClockValue: 156897373998501,
},
{
Type: MembershipUpdateMembersAdded,
Members: []string{"0x04aebe2bb01a988abe7d978662f21de7760486119876c680e5a559e38e086a2df6dad41c4e4d9079c03db3bced6cb70fca76afc5650e50ea19b81572046a813534"},
ClockValue: 156897373998502,
},
},
},
},
Message: nil,
}
)
func TestDecodeMembershipUpdateMessage(t *testing.T) {
val, err := decodeTransitMessage(testMembershipUpdateMessageBytes)
require.NoError(t, err)
require.EqualValues(t, testMembershipUpdateMessageStruct, val)
}
func TestEncodeMembershipUpdateMessage(t *testing.T) {
data, err := EncodeMembershipUpdateMessage(testMembershipUpdateMessageStruct)
require.NoError(t, err)
// Decode it back to a struct and compare. Comparing bytes is not an option because,
// for example, map encoding is non-deterministic.
val, err := decodeTransitMessage(data)
require.NoError(t, err)
require.EqualValues(t, testMembershipUpdateMessageStruct, val)
}
func TestTupleMembershipUpdateEvent(t *testing.T) {
event1 := testMembershipUpdateMessageStruct.Updates[0].Events[0]
result1 := tupleMembershipUpdateEvent(event1)
require.EqualValues(t, [][]interface{}{
{"clock-value", event1.ClockValue},
{"name", "thathata"},
{"type", "chat-created"},
}, result1)
event2 := testMembershipUpdateMessageStruct.Updates[0].Events[1]
result2 := tupleMembershipUpdateEvent(event2)
require.EqualValues(t, [][]interface{}{
{"clock-value", event2.ClockValue},
{"members", event2.Members},
{"type", "members-added"},
}, result2)
}
func TestSignMembershipUpdate(t *testing.T) {
key, err := crypto.HexToECDSA("838fbdd1b670209a258b90af25653a018bc582c44c56e6290a973eebbeb15732")
require.NoError(t, err)
update := testMembershipUpdateMessageStruct.Updates[0]
err = update.Sign(key)
require.NoError(t, err)
expected, err := protocrypto.SignStringAsHex(
strings.Map(func(r rune) rune {
if unicode.IsSpace(r) {
return -1
}
return r
}, `
[
[
[
["clock-value", 156897373998501],
["name", "thathata"],
["type", "chat-created"]
],
[
["clock-value", 156897373998502],
["members", ["0x04aebe2bb01a988abe7d978662f21de7760486119876c680e5a559e38e086a2df6dad41c4e4d9079c03db3bced6cb70fca76afc5650e50ea19b81572046a813534"]],
["type", "members-added"]
]
],
"072ea460-84d3-53c5-9979-1ca36fb5d1020x0424a68f89ba5fcd5e0640c1e1f591d561fa4125ca4e2a43592bc4123eca10ce064e522c254bb83079ba404327f6eafc01ec90a1444331fe769d3f3a7f90b0dde1"
]
`),
key,
)
require.NoError(t, err)
require.Equal(t, expected, update.Signature)
}
func TestGroupCreator(t *testing.T) {
key, err := crypto.GenerateKey()
require.NoError(t, err)
g, err := NewGroupWithCreator("abc", 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 []string, name string) Group {
return Group{
name: name,
admins: newStringSetFromSlice(admins),
members: newStringSetFromSlice(members),
}
}
testCases := []struct {
Name string
Group Group
Result Group
From string
Event MembershipUpdateEvent
}{
{
Name: "chat-created event",
Group: createGroup(nil, nil, ""),
Result: createGroup([]string{"0xabc"}, []string{"0xabc"}, "some-name"),
From: "0xabc",
Event: NewChatCreatedEvent("some-name", "0xabc", 0),
},
{
Name: "name-changed event",
Group: createGroup(nil, nil, ""),
Result: createGroup(nil, nil, "some-name"),
From: "0xabc",
Event: NewNameChangedEvent("some-name", 0),
},
{
Name: "admins-added event",
Group: createGroup(nil, nil, ""),
Result: createGroup([]string{"0xabc", "0x123"}, nil, ""),
From: "0xabc",
Event: NewAdminsAddedEvent([]string{"0xabc", "0x123"}, 0),
},
{
Name: "admin-removed event",
Group: createGroup([]string{"0xabc", "0xdef"}, nil, ""),
Result: createGroup([]string{"0xdef"}, nil, ""),
From: "0xabc",
Event: NewAdminRemovedEvent("0xabc", 0),
},
{
Name: "members-added event",
Group: createGroup(nil, nil, ""),
Result: createGroup(nil, []string{"0xabc", "0xdef"}, ""),
From: "0xabc",
Event: NewMembersAddedEvent([]string{"0xabc", "0xdef"}, 0),
},
{
Name: "member-removed event",
Group: createGroup(nil, []string{"0xabc", "0xdef"}, ""),
Result: createGroup(nil, []string{"0xdef"}, ""),
From: "0xabc",
Event: NewMemberRemovedEvent("0xabc", 0),
},
{
Name: "member-joined event",
Group: createGroup(nil, []string{"0xabc"}, ""),
Result: createGroup(nil, []string{"0xabc", "0xdef"}, ""),
From: "0xabc",
Event: NewMemberJoinedEvent("0xdef", 0),
},
}
for _, tc := range testCases {
t.Run(tc.Name, func(t *testing.T) {
g := tc.Group
g.processEvent(tc.From, 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),
Event: NewChatCreatedEvent("test", "0xabc", 0),
Result: true,
},
{
Name: "chat-created with existing admins",
Group: createGroup([]string{"0xabc"}, nil),
Event: NewChatCreatedEvent("test", "0xabc", 0),
Result: false,
},
{
Name: "chat-created with existing members",
Group: createGroup(nil, []string{"0xabc"}),
Event: NewChatCreatedEvent("test", "0xabc", 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: "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("0xabc", 0),
Result: true,
},
{
Name: "member-joined not valid because not in members",
From: "0xabc",
Group: createGroup(nil, nil),
Event: NewMemberJoinedEvent("0xabc", 0),
Result: false,
},
{
Name: "member-joined not valid because from differs from the event",
From: "0xdef",
Group: createGroup(nil, nil),
Event: NewMemberJoinedEvent("0xabc", 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) {
result := tc.Group.validateEvent(tc.From, tc.Event)
assert.Equal(t, tc.Result, result)
})
}
}
func TestMembershipUpdateMessageProcess(t *testing.T) {
key, err := crypto.GenerateKey()
require.NoError(t, err)
updates := []MembershipUpdate{
{
ChatID: "some-chat",
Events: []MembershipUpdateEvent{
NewChatCreatedEvent("some-name", "0xabc", 0),
},
},
}
err = updates[0].Sign(key)
require.NoError(t, err)
require.NotEmpty(t, updates[0].Signature)
message := MembershipUpdateMessage{
ChatID: "some-chat",
Updates: updates,
}
err = message.Verify()
require.NoError(t, err)
require.EqualValues(t, "0x"+hex.EncodeToString(crypto.FromECDSAPub(&key.PublicKey)), updates[0].From)
}
func TestMembershipUpdateEventEqual(t *testing.T) {
u1 := MembershipUpdateEvent{
Type: MembershipUpdateChatCreated,
ClockValue: 1,
Member: "0xabc",
Members: []string{"0xabc"},
Name: "abc",
}
require.True(t, u1.Equal(u1))
// Verify equality breaking.
u2 := u1
u2.Members = append(u2.Members, "0xdef")
require.False(t, u1.Equal(u2))
u2 = u1
u2.Type = MembershipUpdateMembersAdded
require.False(t, u1.Equal(u2))
u2 = u1
u2.ClockValue = 2
require.False(t, u1.Equal(u2))
u2 = u1
u2.Member = "0xdef"
require.False(t, u1.Equal(u2))
u2 = u1
u2.Name = "def"
require.False(t, u1.Equal(u2))
}
func TestMembershipUpdateFlatEqual(t *testing.T) {
u1 := MembershipUpdateFlat{
ChatID: "abc",
Signature: "abc",
From: "0xabc",
}
require.True(t, u1.Equal(u1))
// Verify equality breaking.
u2 := u1
u2.ChatID = "def"
require.False(t, u1.Equal(u2))
u2 = u1
u2.Signature = "def"
require.False(t, u1.Equal(u2))
u2 = u1
u2.From = "0xdef"
require.False(t, u1.Equal(u2))
}
func TestMergeFlatMembershipUpdates(t *testing.T) {
u1 := []MembershipUpdateFlat{
{
ChatID: "abc",
Signature: "abc",
From: "0xabc",
},
}
u2 := []MembershipUpdateFlat{
{
ChatID: "abc",
Signature: "def",
From: "0xdef",
},
}
result := MergeFlatMembershipUpdates(u1, u1)
require.EqualValues(t, u1, result)
result = MergeFlatMembershipUpdates(u1, u2)
require.EqualValues(t, append(u1, u2...), result)
}