Invert bolthold keys to achieve right sorting order + test

internal/sessiontest/logs_test.go

@@ -26,7 +26,7 @@ func TestLogging(t *testing.T) {
 	require.NoError(t, err)
 	require.True(t, len(logs) == oldLogLength+1)
 
-	entry := logs[len(logs)-1]
+	entry := logs[0]
 	require.NotNil(t, entry)
 	require.NoError(t, err)
 	issued, err := entry.GetIssuedCredentials(client.Configuration)
@@ -36,6 +36,8 @@ func TestLogging(t *testing.T) {
 	require.NoError(t, err)
 	require.NotEmpty(t, disclosed)
 
+	time.Sleep(2 * time.Second)
+
 	// Do disclosure session
 	request = getDisclosureRequest(attrid)
 	sessionHelper(t, request, "verification", client)
@@ -43,20 +45,25 @@ func TestLogging(t *testing.T) {
 	require.NoError(t, err)
 	require.True(t, len(logs) == oldLogLength+2)
 
-	entry = logs[len(logs)-1]
+	entry = logs[0]
 	require.NotNil(t, entry)
 	require.NoError(t, err)
 	disclosed, err = entry.GetDisclosedCredentials(client.Configuration)
 	require.NoError(t, err)
 	require.NotEmpty(t, disclosed)
 
+	// Test before parameter
+	logs, err = client.LoadLogs(time.Time(entry.Time), 100)
+	require.NoError(t, err)
+	require.True(t, len(logs) == oldLogLength+1)
+
 	// Do signature session
 	request = getSigningRequest(attrid)
 	sessionHelper(t, request, "signature", client)
 	logs, err = client.LoadLogs(time.Now(), 100)
 	require.NoError(t, err)
 	require.True(t, len(logs) == oldLogLength+3)
-	entry = logs[len(logs)-1]
+	entry = logs[0]
 	require.NotNil(t, entry)
 	require.NoError(t, err)
 	sig, err := entry.GetSignedMessage()

irmaclient/storage.go

@@ -3,6 +3,7 @@ package irmaclient
 import (
 	"encoding/json"
 	"io/ioutil"
+	"math"
 	"os"
 
 	"path/filepath"
@@ -128,7 +129,8 @@ func (s *storage) AddLogEntry(entry *LogEntry) error {
 }
 
 func (s *storage) logEntryKey(entry *LogEntry) interface{} {
-	return time.Time(entry.Time).UnixNano()
+	// Time is inverted to reverse sorting order
+	return math.MaxInt64 ^ time.Time(entry.Time).UnixNano()
 }
 
 func (s *storage) StorePreferences(prefs Preferences) error {
@@ -205,9 +207,10 @@ func (s *storage) LoadKeyshareServers() (ksses map[irma.SchemeManagerIdentifier]
 }
 
 func (s *storage) LoadLogs(before time.Time, max int) ([]*LogEntry, error) {
+	// Bolthold key uses inverted times, so before is inverted
 	var logs []*LogEntry
 	return logs, s.db.Find(&logs,
-		bolthold.Where(bolthold.Key).Lt(before.UnixNano()).SortBy("Time").Reverse().Limit(max),
+		bolthold.Where(bolthold.Key).Gt(math.MaxInt64^before.UnixNano()).Limit(max),
 	)
 }