From 1e685a02413b739545dfb5b677d66a327760a9df Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Thu, 5 Sep 2019 10:36:14 +0200
Subject: use shorter sleep, tolerate slight execution date disagreements
 between exchange and bank in auditor

---
 src/auditor/taler-wire-auditor.c | 41 +++++++++++++++++++++++++++++++++-------
 src/auditor/test-auditor.sh      | 12 +++++++-----
 2 files changed, 41 insertions(+), 12 deletions(-)

diff --git a/src/auditor/taler-wire-auditor.c b/src/auditor/taler-wire-auditor.c
index e1af48883..85638fa76 100644
--- a/src/auditor/taler-wire-auditor.c
+++ b/src/auditor/taler-wire-auditor.c
@@ -40,6 +40,14 @@
  */
 #define GRACE_PERIOD GNUNET_TIME_UNIT_HOURS
 
+/**
+ * How much do we allow the bank and the exchange to disagree about
+ * timestamps? Should be sufficiently large to avoid bogus reports from deltas
+ * created by imperfect clock synchronization and network delay.
+ */
+#define TIME_TOLERANCE GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, \
+                                                      15)
+
 
 /**
  * Information we keep for each supported account.
@@ -874,15 +882,34 @@ wire_out_cb (void *cls,
     }
     goto cleanup;
   }
-  if (roi->details.execution_date.abs_value_us !=
-      date.abs_value_us)
+
   {
-    report (report_row_minor_inconsistencies,
-            json_pack ("{s:s, s:I, s:s}",
-                       "table", "wire_out",
-                       "row", (json_int_t) rowid,
-                       "diagnostic", "execution date missmatch"));
+    struct GNUNET_TIME_Relative delta;
+
+    if (roi->details.execution_date.abs_value_us >
+        date.abs_value_us)
+      delta = GNUNET_TIME_absolute_get_difference (date,
+                                                   roi->details.execution_date);
+    else
+      delta = GNUNET_TIME_absolute_get_difference (roi->details.execution_date,
+                                                   date);
+    if (delta.rel_value_us > TIME_TOLERANCE.rel_value_us)
+    {
+      char *details;
+
+      GNUNET_asprintf (&details,
+                       "execution date missmatch (%s)",
+                       GNUNET_STRINGS_relative_time_to_string (delta,
+                                                               GNUNET_YES));
+      report (report_row_minor_inconsistencies,
+              json_pack ("{s:s, s:I, s:s}",
+                         "table", "wire_out",
+                         "row", (json_int_t) rowid,
+                         "diagnostic", details));
+      GNUNET_free (details);
+    }
   }
+
   cleanup:
   GNUNET_assert (GNUNET_OK ==
                  free_roi (NULL,
diff --git a/src/auditor/test-auditor.sh b/src/auditor/test-auditor.sh
index 222df84bf..aad233c7f 100755
--- a/src/auditor/test-auditor.sh
+++ b/src/auditor/test-auditor.sh
@@ -46,7 +46,7 @@ function pre_audit () {
     do
         echo -n "."
         wget http://localhost:8082/ -o /dev/null -O /dev/null >/dev/null && break
-        sleep 1
+        sleep 0.1
     done
     echo " DONE"
 
@@ -63,7 +63,7 @@ function audit_only () {
     # Run the auditor!
     echo -n "Running audit(s) ..."
     taler-auditor -r -c $CONF -m $MASTER_PUB > test-audit.json 2> test-audit.log || exit_fail "auditor failed"
-
+    echo -n "."
     taler-wire-auditor -r -c $CONF -m $MASTER_PUB > test-wire-audit.json 2> test-wire-audit.log || exit_fail "wire auditor failed"
     echo " DONE"
 }
@@ -73,12 +73,14 @@ function audit_only () {
 function post_audit () {
     kill `jobs -p` || true
 
-    echo -n "TeXing ..."
+    echo -n "TeXing ."
     ../../contrib/render.py test-audit.json test-wire-audit.json < ../../contrib/auditor-report.tex.j2 > test-report.tex || exit_fail "Renderer failed"
 
+    echo -n "."
     timeout 10 pdflatex test-report.tex >/dev/null || exit_fail "pdflatex failed"
+    echo -n "."
     timeout 10 pdflatex test-report.tex >/dev/null
-    echo "DONE"
+    echo " DONE"
 }
 
 
@@ -711,7 +713,7 @@ run_audit
 echo -n "Testing hung refresh detection... "
 
 HANG=`jq -er .refresh_hanging[0].amount < test-audit.json`
-TOTAL_HANG=`jq -e .total_refresh_hanging < test-audit.json`
+TOTAL_HANG=`jq -er .total_refresh_hanging < test-audit.json`
 if test x$HANG != x$TOTAL_HANG
 then
     exit_fail "Hanging amount inconsistent, got $HANG and $TOTAL_HANG"
-- 
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