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Merge pull request #7405 from ellemouton/filterOutExhaustedSessions

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multi: Filter out exhausted sessions
This commit is contained in:
Oliver Gugger authored and GitHub committed 2023-03-22 10:00:15 +01:00
2 parents c4c1f1ac92 a3e9f5b83c
commit dcc7421b5b
12 files changed
+316 -193
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cmd/lncli/wtclient.go
+20 -2
View File
@@ -151,6 +151,12 @@ var listTowersCommand = cli.Command{
Usage: "include sessions with the watchtower in the " +
"response",
},
cli.BoolFlag{
Name: "exclude_exhausted_sessions",
Usage: "Whether to exclude exhausted sessions in " +
"the response info. This option is only " +
"meaningful if include_sessions is true",
},
},
Action: actionDecorator(listTowers),
}
@@ -160,7 +166,7 @@ func listTowers(ctx *cli.Context) error {
// Display the command's help message if the number of arguments/flags
// is not what we expect.
if ctx.NArg() > 0 || ctx.NumFlags() > 1 {
if ctx.NArg() > 0 || ctx.NumFlags() > 2 {
return cli.ShowCommandHelp(ctx, "towers")
}
@@ -169,6 +175,9 @@ func listTowers(ctx *cli.Context) error {
req := &wtclientrpc.ListTowersRequest{
IncludeSessions: ctx.Bool("include_sessions"),
ExcludeExhaustedSessions: ctx.Bool(
"exclude_exhausted_sessions",
),
}
resp, err := client.ListTowers(ctxc, req)
if err != nil {
@@ -190,6 +199,12 @@ var getTowerCommand = cli.Command{
Usage: "include sessions with the watchtower in the " +
"response",
},
cli.BoolFlag{
Name: "exclude_exhausted_sessions",
Usage: "Whether to exclude exhausted sessions in " +
"the response info. This option is only " +
"meaningful if include_sessions is true",
},
},
Action: actionDecorator(getTower),
}
@@ -199,7 +214,7 @@ func getTower(ctx *cli.Context) error {
// Display the command's help message if the number of arguments/flags
// is not what we expect.
if ctx.NArg() != 1 || ctx.NumFlags() > 1 {
if ctx.NArg() != 1 || ctx.NumFlags() > 2 {
return cli.ShowCommandHelp(ctx, "tower")
}
@@ -217,6 +232,9 @@ func getTower(ctx *cli.Context) error {
req := &wtclientrpc.GetTowerInfoRequest{
Pubkey: pubKey,
IncludeSessions: ctx.Bool("include_sessions"),
ExcludeExhaustedSessions: ctx.Bool(
"exclude_exhausted_sessions",
),
}
resp, err := client.GetTowerInfo(ctxc, req)
if err != nil {
docs/release-notes/release-notes-0.16.1.md
+4
View File
@@ -12,6 +12,10 @@
* [Clean up sessions once all channels for which they have updates for are
closed. Also start sending the `DeleteSession` message to the
tower.](https://github.com/lightningnetwork/lnd/pull/7069)
* [Don't load exhausted sessions when not
needed](https://github.com/lightningnetwork/lnd/pull/7405). Also add a new
`exclude_exhausted_sessions` boolean flag to the relevant lncli wtclient
commands.
## Misc
lnrpc/wtclientrpc/wtclient.go
+11 -5
View File
@@ -269,7 +269,7 @@ func (c *WatchtowerClient) ListTowers(ctx context.Context,
}
opts, ackCounts, committedUpdateCounts := constructFunctionalOptions(
req.IncludeSessions,
req.IncludeSessions, req.ExcludeExhaustedSessions,
)
anchorTowers, err := c.cfg.AnchorClient.RegisteredTowers(opts...)
@@ -334,7 +334,7 @@ func (c *WatchtowerClient) GetTowerInfo(ctx context.Context,
}
opts, ackCounts, committedUpdateCounts := constructFunctionalOptions(
req.IncludeSessions,
req.IncludeSessions, req.ExcludeExhaustedSessions,
)
// Get the tower and its sessions from anchors client.
@@ -377,9 +377,9 @@ func (c *WatchtowerClient) GetTowerInfo(ctx context.Context,
// functional options to be used when fetching a tower from the DB. It also
// returns a map of acked-update counts and one for un-acked-update counts that
// will be populated once the db call has been made.
func constructFunctionalOptions(includeSessions bool) (
[]wtdb.ClientSessionListOption, map[wtdb.SessionID]uint16,
map[wtdb.SessionID]uint16) {
func constructFunctionalOptions(includeSessions,
excludeExhaustedSessions bool) ([]wtdb.ClientSessionListOption,
map[wtdb.SessionID]uint16, map[wtdb.SessionID]uint16) {
var (
opts []wtdb.ClientSessionListOption
@@ -407,6 +407,12 @@ func constructFunctionalOptions(includeSessions bool) (
wtdb.WithPerCommittedUpdate(perCommittedUpdate),
}
if excludeExhaustedSessions {
opts = append(opts, wtdb.WithPostEvalFilterFn(
wtclient.ExhaustedSessionFilter(),
))
}
return opts, ackCounts, committedUpdateCounts
}
lnrpc/wtclientrpc/wtclient.pb.go
+153 -125
View File
@@ -269,6 +269,9 @@ type GetTowerInfoRequest struct {
Pubkey []byte `protobuf:"bytes,1,opt,name=pubkey,proto3" json:"pubkey,omitempty"`
// Whether we should include sessions with the watchtower in the response.
IncludeSessions bool `protobuf:"varint,2,opt,name=include_sessions,json=includeSessions,proto3" json:"include_sessions,omitempty"`
// Whether to exclude exhausted sessions in the response info. This option
// is only meaningful if include_sessions is true.
ExcludeExhaustedSessions bool `protobuf:"varint,3,opt,name=exclude_exhausted_sessions,json=excludeExhaustedSessions,proto3" json:"exclude_exhausted_sessions,omitempty"`
}
func (x *GetTowerInfoRequest) Reset() {
@@ -317,6 +320,13 @@ func (x *GetTowerInfoRequest) GetIncludeSessions() bool {
return false
}
func (x *GetTowerInfoRequest) GetExcludeExhaustedSessions() bool {
if x != nil {
return x.ExcludeExhaustedSessions
}
return false
}
type TowerSession struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -599,6 +609,9 @@ type ListTowersRequest struct {
// Whether we should include sessions with the watchtower in the response.
IncludeSessions bool `protobuf:"varint,1,opt,name=include_sessions,json=includeSessions,proto3" json:"include_sessions,omitempty"`
// Whether to exclude exhausted sessions in the response info. This option
// is only meaningful if include_sessions is true.
ExcludeExhaustedSessions bool `protobuf:"varint,2,opt,name=exclude_exhausted_sessions,json=excludeExhaustedSessions,proto3" json:"exclude_exhausted_sessions,omitempty"`
}
func (x *ListTowersRequest) Reset() {
@@ -640,6 +653,13 @@ func (x *ListTowersRequest) GetIncludeSessions() bool {
return false
}
func (x *ListTowersRequest) GetExcludeExhaustedSessions() bool {
if x != nil {
return x.ExcludeExhaustedSessions
}
return false
}
type ListTowersResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -951,132 +971,140 @@ var file_wtclientrpc_wtclient_proto_rawDesc = []byte{
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}
var (
lnrpc/wtclientrpc/wtclient.proto
+8
View File
@@ -68,6 +68,10 @@ message GetTowerInfoRequest {
// Whether we should include sessions with the watchtower in the response.
bool include_sessions = 2;
// Whether to exclude exhausted sessions in the response info. This option
// is only meaningful if include_sessions is true.
bool exclude_exhausted_sessions = 3;
}
message TowerSession {
@@ -143,6 +147,10 @@ message TowerSessionInfo {
message ListTowersRequest {
// Whether we should include sessions with the watchtower in the response.
bool include_sessions = 1;
// Whether to exclude exhausted sessions in the response info. This option
// is only meaningful if include_sessions is true.
bool exclude_exhausted_sessions = 2;
}
message ListTowersResponse {
lnrpc/wtclientrpc/wtclient.swagger.json
+14
View File
@@ -41,6 +41,13 @@
"in": "query",
"required": false,
"type": "boolean"
},
{
"name": "exclude_exhausted_sessions",
"description": "Whether to exclude exhausted sessions in the response info. This option\nis only meaningful if include_sessions is true.",
"in": "query",
"required": false,
"type": "boolean"
}
],
"tags": [
@@ -112,6 +119,13 @@
"in": "query",
"required": false,
"type": "boolean"
},
{
"name": "exclude_exhausted_sessions",
"description": "Whether to exclude exhausted sessions in the response info. This option\nis only meaningful if include_sessions is true.",
"in": "query",
"required": false,
"type": "boolean"
}
],
"tags": [
watchtower/wtclient/client.go
+26 -24
View File
@@ -74,6 +74,14 @@ func (c *TowerClient) genSessionFilter(
}
}
// ExhaustedSessionFilter constructs a wtdb.ClientSessionFilterFn filter
// function that will filter out any sessions that have been exhausted.
func ExhaustedSessionFilter() wtdb.ClientSessionFilterFn {
return func(session *wtdb.ClientSession) bool {
return session.SeqNum < session.Policy.MaxUpdates
}
}
// RegisteredTower encompasses information about a registered watchtower with
// the client.
type RegisteredTower struct {
@@ -398,8 +406,8 @@ func New(config *Config) (*TowerClient, error) {
return
}
c.log.Infof("Using private watchtower %s, offering policy %s",
tower, cfg.Policy)
c.log.Infof("Using private watchtower %x, offering policy %s",
tower.IdentityKey.SerializeCompressed(), cfg.Policy)
// Add the tower to the set of candidate towers.
candidateTowers.AddCandidate(tower)
@@ -410,9 +418,11 @@ func New(config *Config) (*TowerClient, error) {
// current policy of the client, otherwise they will be ignored and new
// sessions will be requested.
candidateSessions, err := getTowerAndSessionCandidates(
cfg.DB, cfg.SecretKeyRing, c.genSessionFilter(true),
perActiveTower, wtdb.WithPerMaxHeight(perMaxHeight),
cfg.DB, cfg.SecretKeyRing, perActiveTower,
wtdb.WithPreEvalFilterFn(c.genSessionFilter(true)),
wtdb.WithPerMaxHeight(perMaxHeight),
wtdb.WithPerCommittedUpdate(perCommittedUpdate),
wtdb.WithPostEvalFilterFn(ExhaustedSessionFilter()),
)
if err != nil {
return nil, err
@@ -444,7 +454,6 @@ func New(config *Config) (*TowerClient, error) {
// sessionFilter check then the perActiveTower call-back will be called on that
// tower.
func getTowerAndSessionCandidates(db DB, keyRing ECDHKeyRing,
sessionFilter wtdb.ClientSessionFilterFn,
perActiveTower func(tower *Tower),
opts ...wtdb.ClientSessionListOption) (
map[wtdb.SessionID]*ClientSession, error) {
@@ -461,18 +470,12 @@ func getTowerAndSessionCandidates(db DB, keyRing ECDHKeyRing,
return nil, err
}
sessions, err := db.ListClientSessions(
&tower.ID, sessionFilter, opts...,
)
sessions, err := db.ListClientSessions(&tower.ID, opts...)
if err != nil {
return nil, err
}
for _, s := range sessions {
if !sessionFilter(s) {
continue
}
cs, err := NewClientSessionFromDBSession(
s, tower, keyRing,
)
@@ -498,13 +501,10 @@ func getTowerAndSessionCandidates(db DB, keyRing ECDHKeyRing,
// ClientSession's SessionPrivKey field is desired, otherwise, the existing
// ListClientSessions method should be used.
func getClientSessions(db DB, keyRing ECDHKeyRing, forTower *wtdb.TowerID,
sessionFilter wtdb.ClientSessionFilterFn,
opts ...wtdb.ClientSessionListOption) (
map[wtdb.SessionID]*ClientSession, error) {
dbSessions, err := db.ListClientSessions(
forTower, sessionFilter, opts...,
)
dbSessions, err := db.ListClientSessions(forTower, opts...)
if err != nil {
return nil, err
}
@@ -1635,7 +1635,8 @@ func (c *TowerClient) handleNewTower(msg *newTowerMsg) error {
// Include all of its corresponding sessions to our set of candidates.
sessions, err := getClientSessions(
c.cfg.DB, c.cfg.SecretKeyRing, &tower.ID,
c.genSessionFilter(true),
wtdb.WithPreEvalFilterFn(c.genSessionFilter(true)),
wtdb.WithPostEvalFilterFn(ExhaustedSessionFilter()),
)
if err != nil {
return fmt.Errorf("unable to determine sessions for tower %x: "+
@@ -1721,7 +1722,7 @@ func (c *TowerClient) handleStaleTower(msg *staleTowerMsg) error {
// Otherwise, the tower should no longer be used for future session
// negotiations and backups.
pubKey := msg.pubKey.SerializeCompressed()
sessions, err := c.cfg.DB.ListClientSessions(&dbTower.ID, nil)
sessions, err := c.cfg.DB.ListClientSessions(&dbTower.ID)
if err != nil {
return fmt.Errorf("unable to retrieve sessions for tower %x: "+
"%v", pubKey, err)
@@ -1752,9 +1753,10 @@ func (c *TowerClient) RegisteredTowers(opts ...wtdb.ClientSessionListOption) (
if err != nil {
return nil, err
}
clientSessions, err := c.cfg.DB.ListClientSessions(
nil, c.genSessionFilter(false), opts...,
)
opts = append(opts, wtdb.WithPreEvalFilterFn(c.genSessionFilter(false)))
clientSessions, err := c.cfg.DB.ListClientSessions(nil, opts...)
if err != nil {
return nil, err
}
@@ -1795,9 +1797,9 @@ func (c *TowerClient) LookupTower(pubKey *btcec.PublicKey,
return nil, err
}
towerSessions, err := c.cfg.DB.ListClientSessions(
&tower.ID, c.genSessionFilter(false), opts...,
)
opts = append(opts, wtdb.WithPreEvalFilterFn(c.genSessionFilter(false)))
towerSessions, err := c.cfg.DB.ListClientSessions(&tower.ID, opts...)
if err != nil {
return nil, err
}
watchtower/wtclient/client_test.go
+3 -5
View File
@@ -870,7 +870,7 @@ func (h *testHarness) relevantSessions(chanID uint64) []wtdb.SessionID {
},
)
_, err := h.clientDB.ListClientSessions(nil, nil, collectSessions)
_, err := h.clientDB.ListClientSessions(nil, collectSessions)
require.NoError(h.t, err)
return sessionIDs
@@ -1969,7 +1969,7 @@ var clientTests = []clientTest{
// Also make a note of the total number of sessions the
// client has.
sessions, err := h.clientDB.ListClientSessions(nil, nil)
sessions, err := h.clientDB.ListClientSessions(nil)
require.NoError(h.t, err)
require.Len(h.t, sessions, 4)
@@ -1981,9 +1981,7 @@ var clientTests = []clientTest{
// marked as closable. The server should also no longer
// have these sessions in its DB.
err = wait.Predicate(func() bool {
sess, err := h.clientDB.ListClientSessions(
nil, nil,
)
sess, err := h.clientDB.ListClientSessions(nil)
require.NoError(h.t, err)
cs, err := h.clientDB.ListClosableSessions()
watchtower/wtclient/interface.go
+1 -2
View File
@@ -60,8 +60,7 @@ type DB interface {
// ListClientSessions returns the set of all client sessions known to
// the db. An optional tower ID can be used to filter out any client
// sessions in the response that do not correspond to this tower.
ListClientSessions(*wtdb.TowerID, wtdb.ClientSessionFilterFn,
...wtdb.ClientSessionListOption) (
ListClientSessions(*wtdb.TowerID, ...wtdb.ClientSessionListOption) (
map[wtdb.SessionID]*wtdb.ClientSession, error)
// GetClientSession loads the ClientSession with the given ID from the
watchtower/wtdb/client_db.go
+55 -15
View File
@@ -517,7 +517,7 @@ func (c *ClientDB) RemoveTower(pubKey *btcec.PublicKey, addr net.Addr) error {
towerSessions, err := c.listTowerSessions(
towerID, sessions, chanIDIndexBkt,
towersToSessionsIndex, nil,
towersToSessionsIndex,
WithPerCommittedUpdate(perCommittedUpdate),
)
if err != nil {
@@ -1055,7 +1055,7 @@ func (c *ClientDB) GetClientSession(id SessionID,
}
session, err := c.getClientSession(
sessionsBkt, chanIDIndexBkt, id[:], nil, opts...,
sessionsBkt, chanIDIndexBkt, id[:], opts...,
)
if err != nil {
return err
@@ -1073,8 +1073,7 @@ func (c *ClientDB) GetClientSession(id SessionID,
// optional tower ID can be used to filter out any client sessions in the
// response that do not correspond to this tower.
func (c *ClientDB) ListClientSessions(id *TowerID,
filterFn ClientSessionFilterFn, opts ...ClientSessionListOption) (
map[SessionID]*ClientSession, error) {
opts ...ClientSessionListOption) (map[SessionID]*ClientSession, error) {
var clientSessions map[SessionID]*ClientSession
err := kvdb.View(c.db, func(tx kvdb.RTx) error {
@@ -1093,7 +1092,7 @@ func (c *ClientDB) ListClientSessions(id *TowerID,
var err error
if id == nil {
clientSessions, err = c.listClientAllSessions(
sessions, chanIDIndexBkt, filterFn, opts...,
sessions, chanIDIndexBkt, opts...,
)
return err
}
@@ -1106,7 +1105,7 @@ func (c *ClientDB) ListClientSessions(id *TowerID,
clientSessions, err = c.listTowerSessions(
*id, sessions, chanIDIndexBkt, towerToSessionIndex,
filterFn, opts...,
opts...,
)
return err
}, func() {
@@ -1121,8 +1120,7 @@ func (c *ClientDB) ListClientSessions(id *TowerID,
// listClientAllSessions returns the set of all client sessions known to the db.
func (c *ClientDB) listClientAllSessions(sessions, chanIDIndexBkt kvdb.RBucket,
filterFn ClientSessionFilterFn, opts ...ClientSessionListOption) (
map[SessionID]*ClientSession, error) {
opts ...ClientSessionListOption) (map[SessionID]*ClientSession, error) {
clientSessions := make(map[SessionID]*ClientSession)
err := sessions.ForEach(func(k, _ []byte) error {
@@ -1131,7 +1129,7 @@ func (c *ClientDB) listClientAllSessions(sessions, chanIDIndexBkt kvdb.RBucket,
// committed updates and compute the highest known commit height
// for each channel.
session, err := c.getClientSession(
sessions, chanIDIndexBkt, k, filterFn, opts...,
sessions, chanIDIndexBkt, k, opts...,
)
if errors.Is(err, ErrSessionFailedFilterFn) {
return nil
@@ -1153,8 +1151,8 @@ func (c *ClientDB) listClientAllSessions(sessions, chanIDIndexBkt kvdb.RBucket,
// listTowerSessions returns the set of all client sessions known to the db
// that are associated with the given tower id.
func (c *ClientDB) listTowerSessions(id TowerID, sessionsBkt, chanIDIndexBkt,
towerToSessionIndex kvdb.RBucket, filterFn ClientSessionFilterFn,
opts ...ClientSessionListOption) (map[SessionID]*ClientSession, error) {
towerToSessionIndex kvdb.RBucket, opts ...ClientSessionListOption) (
map[SessionID]*ClientSession, error) {
towerIndexBkt := towerToSessionIndex.NestedReadBucket(id.Bytes())
if towerIndexBkt == nil {
@@ -1168,7 +1166,7 @@ func (c *ClientDB) listTowerSessions(id TowerID, sessionsBkt, chanIDIndexBkt,
// committed updates and compute the highest known commit height
// for each channel.
session, err := c.getClientSession(
sessionsBkt, chanIDIndexBkt, k, filterFn, opts...,
sessionsBkt, chanIDIndexBkt, k, opts...,
)
if errors.Is(err, ErrSessionFailedFilterFn) {
return nil
@@ -2140,6 +2138,19 @@ type ClientSessionListCfg struct {
// PerCommittedUpdate will, if set, be called for each of the session's
// committed (un-acked) updates.
PerCommittedUpdate PerCommittedUpdateCB
// PreEvaluateFilterFn will be run after loading a session from the DB
// and _before_ any of the other call-back functions in
// ClientSessionListCfg. Therefore, if a session fails this filter
// function, then it will not be passed to any of the other call backs
// and won't be included in the return list.
PreEvaluateFilterFn ClientSessionFilterFn
// PostEvaluateFilterFn will be run _after_ all the other call-back
// functions in ClientSessionListCfg. If a session fails this filter
// function then all it means is that it won't be included in the list
// of sessions to return.
PostEvaluateFilterFn ClientSessionFilterFn
}
// NewClientSessionCfg constructs a new ClientSessionListCfg.
@@ -2174,12 +2185,35 @@ func WithPerCommittedUpdate(cb PerCommittedUpdateCB) ClientSessionListOption {
}
}
// WithPreEvalFilterFn constructs a functional option that will set a call-back
// function that will be called immediately after loading a session. If the
// session fails this filter function, then it will not be passed to any of the
// other evaluation call-back functions.
func WithPreEvalFilterFn(fn ClientSessionFilterFn) ClientSessionListOption {
return func(cfg *ClientSessionListCfg) {
cfg.PreEvaluateFilterFn = fn
}
}
// WithPostEvalFilterFn constructs a functional option that will set a call-back
// function that will be used to determine if a session should be included in
// the returned list. This differs from WithPreEvalFilterFn since that call-back
// is used to determine if the session should be evaluated at all (and thus
// run against the other ClientSessionListCfg call-backs) whereas the session
// will only reach the PostEvalFilterFn call-back once it has already been
// evaluated by all the other call-backs.
func WithPostEvalFilterFn(fn ClientSessionFilterFn) ClientSessionListOption {
return func(cfg *ClientSessionListCfg) {
cfg.PostEvaluateFilterFn = fn
}
}
// getClientSession loads the full ClientSession associated with the serialized
// session id. This method populates the CommittedUpdates, AckUpdates and Tower
// in addition to the ClientSession's body.
func (c *ClientDB) getClientSession(sessionsBkt, chanIDIndexBkt kvdb.RBucket,
idBytes []byte, filterFn ClientSessionFilterFn,
opts ...ClientSessionListOption) (*ClientSession, error) {
idBytes []byte, opts ...ClientSessionListOption) (*ClientSession,
error) {
cfg := NewClientSessionCfg()
for _, o := range opts {
@@ -2191,7 +2225,7 @@ func (c *ClientDB) getClientSession(sessionsBkt, chanIDIndexBkt kvdb.RBucket,
return nil, err
}
if filterFn != nil && !filterFn(session) {
if cfg.PreEvaluateFilterFn != nil && !cfg.PreEvaluateFilterFn(session) {
return nil, ErrSessionFailedFilterFn
}
@@ -2217,6 +2251,12 @@ func (c *ClientDB) getClientSession(sessionsBkt, chanIDIndexBkt kvdb.RBucket,
return nil, err
}
if cfg.PostEvaluateFilterFn != nil &&
!cfg.PostEvaluateFilterFn(session) {
return nil, ErrSessionFailedFilterFn
}
return session, nil
}
watchtower/wtdb/client_db_test.go
+6 -7
View File
@@ -52,12 +52,11 @@ func (h *clientDBHarness) insertSession(session *wtdb.ClientSession,
}
func (h *clientDBHarness) listSessions(id *wtdb.TowerID,
filterFn wtdb.ClientSessionFilterFn,
opts ...wtdb.ClientSessionListOption) map[wtdb.SessionID]*wtdb.ClientSession {
h.t.Helper()
sessions, err := h.db.ListClientSessions(id, filterFn, opts...)
sessions, err := h.db.ListClientSessions(id, opts...)
require.NoError(h.t, err, "unable to list client sessions")
return sessions
@@ -84,7 +83,7 @@ func (h *clientDBHarness) createTower(lnAddr *lnwire.NetAddress,
require.ErrorIs(h.t, err, expErr)
require.NotZero(h.t, tower.ID, "tower id should never be 0")
for _, session := range h.listSessions(&tower.ID, nil) {
for _, session := range h.listSessions(&tower.ID) {
require.Equal(h.t, wtdb.CSessionActive, session.Status)
}
@@ -127,7 +126,7 @@ func (h *clientDBHarness) removeTower(pubKey *btcec.PublicKey, addr net.Addr,
return
}
for _, session := range h.listSessions(&tower.ID, nil) {
for _, session := range h.listSessions(&tower.ID) {
require.Equal(h.t, wtdb.CSessionInactive,
session.Status, "expected status for session "+
"%v to be %v, got %v", session.ID,
@@ -301,7 +300,7 @@ func testCreateClientSession(h *clientDBHarness) {
// First, assert that this session is not already present in the
// database.
_, ok := h.listSessions(nil, nil)[session.ID]
_, ok := h.listSessions(nil)[session.ID]
require.Falsef(h.t, ok, "session for id %x should not exist yet",
session.ID)
@@ -329,7 +328,7 @@ func testCreateClientSession(h *clientDBHarness) {
h.insertSession(session, nil)
// Verify that the session now exists in the database.
_, ok = h.listSessions(nil, nil)[session.ID]
_, ok = h.listSessions(nil)[session.ID]
require.Truef(h.t, ok, "session for id %x should exist now", session.ID)
// Attempt to insert the session again, which should fail due to the
@@ -377,7 +376,7 @@ func testFilterClientSessions(h *clientDBHarness) {
// We should see the expected sessions for each tower when filtering
// them.
for towerID, expectedSessions := range towerSessions {
sessions := h.listSessions(&towerID, nil)
sessions := h.listSessions(&towerID)
require.Len(h.t, sessions, len(expectedSessions))
for _, expectedSession := range expectedSessions {
watchtower/wtmock/client_db.go
+15 -8
View File
@@ -89,7 +89,7 @@ func (m *ClientDB) CreateTower(lnAddr *lnwire.NetAddress) (*wtdb.Tower, error) {
tower = m.towers[towerID]
tower.AddAddress(lnAddr.Address)
towerSessions, err := m.listClientSessions(&towerID, nil)
towerSessions, err := m.listClientSessions(&towerID)
if err != nil {
return nil, err
}
@@ -141,7 +141,7 @@ func (m *ClientDB) RemoveTower(pubKey *btcec.PublicKey, addr net.Addr) error {
return nil
}
towerSessions, err := m.listClientSessions(&tower.ID, nil)
towerSessions, err := m.listClientSessions(&tower.ID)
if err != nil {
return err
}
@@ -226,20 +226,19 @@ func (m *ClientDB) MarkBackupIneligible(_ lnwire.ChannelID, _ uint64) error {
// optional tower ID can be used to filter out any client sessions in the
// response that do not correspond to this tower.
func (m *ClientDB) ListClientSessions(tower *wtdb.TowerID,
filterFn wtdb.ClientSessionFilterFn,
opts ...wtdb.ClientSessionListOption) (
map[wtdb.SessionID]*wtdb.ClientSession, error) {
m.mu.Lock()
defer m.mu.Unlock()
return m.listClientSessions(tower, filterFn, opts...)
return m.listClientSessions(tower, opts...)
}
// listClientSessions returns the set of all client sessions known to the db. An
// optional tower ID can be used to filter out any client sessions in the
// response that do not correspond to this tower.
func (m *ClientDB) listClientSessions(tower *wtdb.TowerID,
filterFn wtdb.ClientSessionFilterFn,
opts ...wtdb.ClientSessionListOption) (
map[wtdb.SessionID]*wtdb.ClientSession, error) {
@@ -255,12 +254,12 @@ func (m *ClientDB) listClientSessions(tower *wtdb.TowerID,
continue
}
if filterFn != nil && !filterFn(&session) {
if cfg.PreEvaluateFilterFn != nil &&
!cfg.PreEvaluateFilterFn(&session) {
continue
}
sessions[session.ID] = &session
if cfg.PerMaxHeight != nil {
for chanID, index := range m.ackedUpdates[session.ID] {
cfg.PerMaxHeight(
@@ -284,6 +283,14 @@ func (m *ClientDB) listClientSessions(tower *wtdb.TowerID,
cfg.PerCommittedUpdate(&session, &update)
}
}
if cfg.PostEvaluateFilterFn != nil &&
!cfg.PostEvaluateFilterFn(&session) {
continue
}
sessions[session.ID] = &session
}
return sessions, nil