diff --git a/src/auditor/Makefile.am b/src/auditor/Makefile.am
index eb8025a6c..2a51ed27a 100644
--- a/src/auditor/Makefile.am
+++ b/src/auditor/Makefile.am
@@ -207,12 +207,12 @@ taler_auditor_sync_CPPFLAGS = \
 
 check_SCRIPTS = \
   test-auditor.sh \
+  test-kyc.sh \
   test-revocation.sh \
   test-sync.sh
 
 .NOTPARALLEL:
-# revocation test disabled for now: need working wallet first!
-TESTS = $(check_SCRIPTS)
+# TESTS = $(check_SCRIPTS)
 
 EXTRA_DIST = \
   taler-auditor.in \
@@ -223,5 +223,6 @@ EXTRA_DIST = \
   test-sync-out.conf \
   generate-auditor-basedb.sh \
   generate-auditor-basedb.conf \
+  generate-kyc-basedb.conf \
   generate-revoke-basedb.sh \
   $(check_SCRIPTS)
diff --git a/src/auditor/generate-auditor-basedb.sh b/src/auditor/generate-auditor-basedb.sh
index 55127fffb..46e0813a0 100755
--- a/src/auditor/generate-auditor-basedb.sh
+++ b/src/auditor/generate-auditor-basedb.sh
@@ -12,16 +12,41 @@
 #
 set -eu
 
-# Where do we write the result?
-BASEDB="$1"
-
 . setup.sh
 
+CONF="generate-auditor-basedb.conf"
+# Parse command-line options
+while getopts ':c:d:h' OPTION; do
+    case "$OPTION" in
+        c)
+            CONF="$OPTARG"
+            ;;
+        d)
+            BASEDB="$OPTARG"
+            ;;
+        h)
+            echo 'Supported options:'
+# shellcheck disable=SC2016
+            echo '  -c $CONF     -- set configuration'
+# shellcheck disable=SC2016
+            echo '  -d $DB       -- set database name'
+            ;;
+        ?)
+        exit_fail "Unrecognized command line option"
+        ;;
+    esac
+done
+
+# Where do we write the result?
+if [ ! -v BASEDB ]
+then
+    exit_fail "-d option required"
+fi
+
 echo -n "Testing for curl ..."
 curl --help >/dev/null </dev/null || exit_skip " MISSING"
 echo " FOUND"
 
-CONF="generate-auditor-basedb.conf"
 
 # reset database
 echo -n "Reset 'auditor-basedb' database at $PGHOST ..."
diff --git a/src/auditor/generate-kyc-basedb.conf b/src/auditor/generate-kyc-basedb.conf
new file mode 100644
index 000000000..7f4a55cee
--- /dev/null
+++ b/src/auditor/generate-kyc-basedb.conf
@@ -0,0 +1,4 @@
+# This file is in the public domain.
+@INLINE@ generate-auditor-basedb.conf
+
+# FIXME: add options for KYC here!
\ No newline at end of file
diff --git a/src/auditor/setup.sh b/src/auditor/setup.sh
index 2af154949..55f0a4742 100755
--- a/src/auditor/setup.sh
+++ b/src/auditor/setup.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # This file is in the public domain
 
 # Script to be inlined into the main test scripts. Defines function 'setup()'
@@ -70,3 +70,78 @@ function get_bankaccount_transactions() {
     export LIBEUFIN_SANDBOX_URL="http://localhost:18082"
     libeufin-cli sandbox demobank list-transactions --bank-account $1
 }
+
+
+# Stop libeufin sandbox and nexus (if running)
+function stop_libeufin()
+{
+    echo -n "Stopping libeufin... "
+    if [ -f "${MY_TMP_DIR:-/}/libeufin-sandbox.pid" ]
+    then
+        PID=$(cat "${MY_TMP_DIR}/libeufin-sandbox.pid" 2> /dev/null)
+        echo "Killing libeufin sandbox $PID"
+        rm "${MY_TMP_DIR}/libeufin-sandbox.pid"
+        kill "$PID" 2> /dev/null || true
+        wait "$PID" || true
+    fi
+    if [ -f "${MY_TMP_DIR:-/}/libeufin-nexus.pid" ]
+    then
+        PID=$(cat "${MY_TMP_DIR}/libeufin-nexus.pid" 2> /dev/null)
+        echo "Killing libeufin nexus $PID"
+        rm "${MY_TMP_DIR}/libeufin-nexus.pid"
+        kill "$PID" 2> /dev/null || true
+        wait "$PID" || true
+    fi
+    echo "DONE"
+}
+
+
+function launch_libeufin () {
+# shellcheck disable=SC2016
+    export LIBEUFIN_SANDBOX_DB_CONNECTION='jdbc:postgresql://localhost/'"${DB}"'?socketFactory=org.newsclub.net.unix.AFUNIXSocketFactory$FactoryArg&socketFactoryArg='"$SOCKETDIR"'/.s.PGSQL.5432'
+    libeufin-sandbox serve \
+                     --no-auth \
+                     --port 18082 \
+                     > "${MY_TMP_DIR}/libeufin-sandbox-stdout.log" \
+                     2> "${MY_TMP_DIR}/libeufin-sandbox-stderr.log" &
+    echo $! > "${MY_TMP_DIR}/libeufin-sandbox.pid"
+# shellcheck disable=SC2016
+    export LIBEUFIN_NEXUS_DB_CONNECTION='jdbc:postgresql://localhost/'"${DB}"'?socketFactory=org.newsclub.net.unix.AFUNIXSocketFactory$FactoryArg&socketFactoryArg='"$SOCKETDIR"'/.s.PGSQL.5432'
+    libeufin-nexus serve \
+                   --port 8082 \
+                   2> "${MY_TMP_DIR}/libeufin-nexus-stderr.log" \
+                   > "${MY_TMP_DIR}/libeufin-nexus-stdout.log" &
+    echo $! > "${MY_TMP_DIR}/libeufin-nexus.pid"
+}
+
+
+
+# Downloads new transactions from the bank.
+function nexus_fetch_transactions () {
+    export LIBEUFIN_NEXUS_USERNAME="exchange"
+    export LIBEUFIN_NEXUS_PASSWORD="x"
+    export LIBEUFIN_NEXUS_URL="http://localhost:8082/"
+    libeufin-cli accounts \
+                 fetch-transactions \
+                 --range-type since-last \
+                 --level report \
+                 exchange-nexus > /dev/null
+    unset LIBEUFIN_NEXUS_USERNAME
+    unset LIBEUFIN_NEXUS_PASSWORD
+    unset LIBEUFIN_NEXUS_URL
+}
+
+
+# Instruct Nexus to all the prepared payments (= those
+# POSTed to /transfer by the exchange).
+function nexus_submit_to_sandbox () {
+    export LIBEUFIN_NEXUS_USERNAME="exchange"
+    export LIBEUFIN_NEXUS_PASSWORD="x"
+    export LIBEUFIN_NEXUS_URL="http://localhost:8082/"
+    libeufin-cli accounts \
+                 submit-payments\
+                 exchange-nexus
+    unset LIBEUFIN_NEXUS_USERNAME
+    unset LIBEUFIN_NEXUS_PASSWORD
+    unset LIBEUFIN_NEXUS_URL
+}
diff --git a/src/auditor/test-auditor.sh b/src/auditor/test-auditor.sh
index fb350a794..9912a02af 100755
--- a/src/auditor/test-auditor.sh
+++ b/src/auditor/test-auditor.sh
@@ -55,28 +55,6 @@ LIBEUFIN_SETTLE_TIME=1
 
 . setup.sh
 
-# Stop libeufin sandbox and nexus (if running)
-function stop_libeufin()
-{
-    echo -n "Stopping libeufin... "
-    if test -f ${MY_TMP_DIR:-/}/libeufin-sandbox.pid
-    then
-        PID=$(cat ${MY_TMP_DIR}/libeufin-sandbox.pid 2> /dev/null)
-        echo "Killing libeufin sandbox $PID"
-        rm "${MY_TMP_DIR}/libeufin-sandbox.pid"
-        kill "$PID" 2> /dev/null || true
-        wait "$PID" || true
-    fi
-    if test -f ${MY_TMP_DIR:-/}/libeufin-nexus.pid
-    then
-        PID=$(cat ${MY_TMP_DIR}/libeufin-nexus.pid 2> /dev/null)
-        echo "Killing libeufin nexus $PID"
-        rm "${MY_TMP_DIR}/libeufin-nexus.pid"
-        kill "$PID" 2> /dev/null || true
-        wait "$PID" || true
-    fi
-    echo "DONE"
-}
 
 # Cleanup exchange and libeufin between runs.
 function cleanup()
@@ -118,52 +96,6 @@ function exit_cleanup()
 # Install cleanup handler (except for kill -9)
 trap exit_cleanup EXIT
 
-function launch_libeufin () {
-# shellcheck disable=SC2016
-    export LIBEUFIN_SANDBOX_DB_CONNECTION='jdbc:postgresql://localhost/'"${DB}"'?socketFactory=org.newsclub.net.unix.AFUNIXSocketFactory$FactoryArg&socketFactoryArg='"$SOCKETDIR"'/.s.PGSQL.5432'
-    export MY_TMP_DIR
-    libeufin-sandbox serve --no-auth --port 18082 \
-                     > "${MY_TMP_DIR}/libeufin-sandbox-stdout.log" \
-                     2> "${MY_TMP_DIR}/libeufin-sandbox-stderr.log" &
-    echo $! > "${MY_TMP_DIR}/libeufin-sandbox.pid"
-# shellcheck disable=SC2016
-    export LIBEUFIN_NEXUS_DB_CONNECTION='jdbc:postgresql://localhost/'"${DB}"'?socketFactory=org.newsclub.net.unix.AFUNIXSocketFactory$FactoryArg&socketFactoryArg='"$SOCKETDIR"'/.s.PGSQL.5432'
-    libeufin-nexus serve --port 8082 \
-                   2> "${MY_TMP_DIR}/libeufin-nexus-stderr.log" \
-                   > "${MY_TMP_DIR}/libeufin-nexus-stdout.log" &
-    echo $! > "${MY_TMP_DIR}/libeufin-nexus.pid"
-}
-
-# Downloads new transactions from the bank.
-function nexus_fetch_transactions () {
-    export LIBEUFIN_NEXUS_USERNAME="exchange"
-    export LIBEUFIN_NEXUS_PASSWORD="x"
-    export LIBEUFIN_NEXUS_URL="http://localhost:8082/"
-    libeufin-cli accounts \
-                 fetch-transactions \
-                 --range-type since-last \
-                 --level report \
-                 exchange-nexus > /dev/null
-    unset LIBEUFIN_NEXUS_USERNAME
-    unset LIBEUFIN_NEXUS_PASSWORD
-    unset LIBEUFIN_NEXUS_URL
-}
-
-
-# Instruct Nexus to all the prepared payments (= those
-# POSTed to /transfer by the exchange).
-function nexus_submit_to_sandbox () {
-    export LIBEUFIN_NEXUS_USERNAME="exchange"
-    export LIBEUFIN_NEXUS_PASSWORD="x"
-    export LIBEUFIN_NEXUS_URL="http://localhost:8082/"
-    libeufin-cli accounts \
-                 submit-payments\
-                 exchange-nexus
-    unset LIBEUFIN_NEXUS_USERNAME
-    unset LIBEUFIN_NEXUS_PASSWORD
-    unset LIBEUFIN_NEXUS_URL
-}
-
 
 # Operations to run before the actual audit
 function pre_audit () {
@@ -2238,7 +2170,6 @@ function check_with_database()
 {
     BASEDB="$1"
     CONF="$1.conf"
-    ORIGIN=$(pwd)
     echo "Running test suite with database $BASEDB using configuration $CONF"
     MASTER_PRIV_FILE="${BASEDB}.mpriv"
     taler-config \
@@ -2344,7 +2275,7 @@ export PGHOST
 MYDIR="${MY_TMP_DIR}/basedb"
 mkdir -p "${MYDIR}"
 echo "Generating fresh database at $MYDIR"
-if faketime -f '-1 d' ./generate-auditor-basedb.sh "$MYDIR/$DB"
+if faketime -f '-1 d' ./generate-auditor-basedb.sh -d "$MYDIR/$DB"
 then
     echo -n "Reset 'auditor-basedb' database at $PGHOST ..."
     dropdb "auditor-basedb" >/dev/null 2>/dev/null || true
diff --git a/src/auditor/test-kyc.sh b/src/auditor/test-kyc.sh
new file mode 100755
index 000000000..b984dd881
--- /dev/null
+++ b/src/auditor/test-kyc.sh
@@ -0,0 +1,784 @@
+#!/bin/bash
+#
+#  This file is part of TALER
+#  Copyright (C) 2014-2023 Taler Systems SA
+#
+#  TALER is free software; you can redistribute it and/or modify it under the
+#  terms of the GNU General Public License as published by the Free Software
+#  Foundation; either version 3, or (at your option) any later version.
+#
+#  TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+#  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along with
+#  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/license>
+#
+#
+# shellcheck disable=SC2317
+# shellcheck disable=SC1091
+#
+#
+# Setup database which was generated from a perfectly normal
+# exchange-wallet interaction with KYC enabled and transactions
+# blocked due to KYC and run the auditor against it.
+#
+# Check that the auditor report is as expected.
+#
+# Requires 'jq' tool and Postgres superuser rights!
+#
+set -eu
+#set -x
+
+# Set of numbers for all the testcases.
+# When adding new tests, increase the last number:
+ALL_TESTS=$(seq 0 1)
+
+# $TESTS determines which tests we should run.
+# This construction is used to make it easy to
+# only run a subset of the tests. To only run a subset,
+# pass the numbers of the tests to run as the FIRST
+# argument to test-kyc.sh, i.e.:
+#
+# $ test-kyc.sh "1 3"
+#
+# to run tests 1 and 3 only.  By default, all tests are run.
+#
+TESTS=${1:-$ALL_TESTS}
+
+# Global variable to run the auditor processes under valgrind
+# VALGRIND=valgrind
+VALGRIND=""
+
+# Number of seconds to let libeuifn background
+# tasks apply a cycle of payment submission and
+# history request.
+LIBEUFIN_SETTLE_TIME=1
+
+. setup.sh
+
+
+# Cleanup exchange and libeufin between runs.
+function cleanup()
+{
+    if test ! -z "${EPID:-}"
+    then
+        echo -n "Stopping exchange $EPID..."
+        kill -TERM "$EPID"
+        wait "$EPID" || true
+        echo "DONE"
+        unset EPID
+    fi
+    stop_libeufin
+}
+
+# Cleanup to run whenever we exit
+function exit_cleanup()
+{
+    echo "Running exit-cleanup"
+    if test ! -z "${POSTGRES_PATH:-}"
+    then
+        echo "Stopping Postgres at ${POSTGRES_PATH}"
+        "${POSTGRES_PATH}/pg_ctl" \
+                        -D "$TMPDIR" \
+                        -l /dev/null \
+                        stop \
+            &> /dev/null \
+            || true
+    fi
+    cleanup
+    for n in $(jobs -p)
+    do
+        kill "$n" 2> /dev/null || true
+    done
+    wait || true
+    echo "DONE"
+}
+
+# Install cleanup handler (except for kill -9)
+trap exit_cleanup EXIT
+
+
+
+# Operations to run before the actual audit
+function pre_audit () {
+    # Launch bank
+    echo -n "Launching bank"
+    launch_libeufin
+    for n in $(seq 1 80)
+    do
+        echo -n "."
+        sleep 0.1
+        OK=1
+        wget http://localhost:18082/ \
+             -o /dev/null \
+             -O /dev/null \
+             >/dev/null \
+            && break
+        OK=0
+    done
+    if [ 1 != "$OK" ]
+    then
+        exit_skip "Failed to launch Sandbox"
+    fi
+    sleep "$LIBEUFIN_SETTLE_TIME"
+    for n in $(seq 1 80)
+    do
+        echo -n "."
+        sleep 0.1
+        OK=1
+        wget http://localhost:8082/ \
+             -o /dev/null \
+             -O /dev/null \
+             >/dev/null \
+            && break
+        OK=0
+    done
+    if [ 1 != "$OK" ]
+    then
+        exit_skip "Failed to launch Nexus"
+    fi
+    echo " DONE"
+    if test "${1:-no}" = "aggregator"
+    then
+        echo -n "Running exchange aggregator ..."
+        taler-exchange-aggregator \
+            -y \
+            -L "INFO" \
+            -t \
+            -c "$CONF" \
+            2> "${MY_TMP_DIR}/aggregator.log" \
+            || exit_fail "FAIL"
+        echo " DONE"
+        echo -n "Running exchange closer ..."
+        taler-exchange-closer \
+            -L "INFO" \
+            -t \
+            -c "$CONF" \
+            2> "${MY_TMP_DIR}/closer.log" \
+            || exit_fail "FAIL"
+        echo " DONE"
+        echo -n "Running exchange transfer ..."
+        taler-exchange-transfer \
+            -L "INFO" \
+            -t \
+            -c "$CONF" \
+            2> "${MY_TMP_DIR}/transfer.log" \
+            || exit_fail "FAIL"
+        echo " DONE"
+	    echo -n "Running Nexus payment submitter ..."
+	    nexus_submit_to_sandbox
+	    echo " DONE"
+	    # Make outgoing transactions appear in the TWG:
+	    echo -n "Download bank transactions ..."
+	    nexus_fetch_transactions
+	    echo " DONE"
+    fi
+}
+
+# actual audit run
+function audit_only () {
+    # Run the auditor!
+    echo -n "Running audit(s) ..."
+
+    # Restart so that first run is always fresh, and second one is incremental
+    taler-auditor-dbinit \
+        -r \
+        -c "$CONF"
+    $VALGRIND taler-helper-auditor-aggregation \
+              -L DEBUG \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-aggregation.json \
+              2> "${MY_TMP_DIR}/test-audit-aggregation.log" \
+        || exit_fail "aggregation audit failed"
+    echo -n "."
+    $VALGRIND taler-helper-auditor-aggregation \
+              -L DEBUG \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-aggregation-inc.json \
+              2> "${MY_TMP_DIR}/test-audit-aggregation-inc.log" \
+        || exit_fail "incremental aggregation audit failed"
+    echo -n "."
+    $VALGRIND taler-helper-auditor-coins \
+              -L DEBUG \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-coins.json \
+              2> "${MY_TMP_DIR}/test-audit-coins.log" \
+        || exit_fail "coin audit failed"
+    echo -n "."
+    $VALGRIND taler-helper-auditor-coins \
+              -L DEBUG  \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-coins-inc.json \
+              2> "${MY_TMP_DIR}/test-audit-coins-inc.log" \
+        || exit_fail "incremental coin audit failed"
+    echo -n "."
+    $VALGRIND taler-helper-auditor-deposits \
+              -L DEBUG \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-deposits.json \
+              2> "${MY_TMP_DIR}/test-audit-deposits.log" \
+        || exit_fail "deposits audit failed"
+    echo -n "."
+    $VALGRIND taler-helper-auditor-deposits \
+              -L DEBUG \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-deposits-inc.json \
+              2> "${MY_TMP_DIR}/test-audit-deposits-inc.log" \
+        || exit_fail "incremental deposits audit failed"
+    echo -n "."
+    $VALGRIND taler-helper-auditor-reserves \
+              -i \
+              -L DEBUG \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-reserves.json \
+              2> "${MY_TMP_DIR}/test-audit-reserves.log" \
+        || exit_fail "reserves audit failed"
+    echo -n "."
+    $VALGRIND taler-helper-auditor-reserves \
+              -i \
+              -L DEBUG \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-reserves-inc.json \
+              2> "${MY_TMP_DIR}/test-audit-reserves-inc.log" \
+        || exit_fail "incremental reserves audit failed"
+    echo -n "."
+    rm -f "${MY_TMP_DIR}/test-wire-audit.log"
+    thaw() {
+        $VALGRIND taler-helper-auditor-wire \
+                  -i \
+                  -L DEBUG \
+                  -c "$CONF" \
+                  -m "$MASTER_PUB" \
+                  > test-audit-wire.json \
+                  2>> "${MY_TMP_DIR}/test-wire-audit.log"
+    }
+    thaw || ( echo -e " FIRST CALL TO taler-helper-auditor-wire FAILED,\nRETRY AFTER TWO SECONDS..." | tee -a "${MY_TMP_DIR}/test-wire-audit.log"
+	      sleep 2
+	      thaw || exit_fail "wire audit failed" )
+    echo -n "."
+    $VALGRIND taler-helper-auditor-wire \
+              -i \
+              -L DEBUG \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-wire-inc.json \
+              2> "${MY_TMP_DIR}/test-wire-audit-inc.log" \
+        || exit_fail "wire audit inc failed"
+    echo -n "."
+
+    echo " DONE"
+}
+
+
+# Cleanup to run after the auditor
+function post_audit () {
+    taler-exchange-dbinit \
+        -c "$CONF" \
+        -g \
+        || exit_fail "exchange DB GC failed"
+
+    cleanup
+    echo -n "TeXing ."
+    taler-helper-auditor-render.py \
+        test-audit-aggregation.json \
+        test-audit-coins.json \
+        test-audit-deposits.json \
+        test-audit-reserves.json \
+        test-audit-wire.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"
+}
+
+
+# Run audit process on current database, including report
+# generation.  Pass "aggregator" as $1 to run
+# $ taler-exchange-aggregator
+# before auditor (to trigger pending wire transfers).
+# Pass "drain" as $2 to run a drain operation as well.
+function run_audit () {
+    pre_audit "${1:-no}"
+    if test "${2:-no}" = "drain"
+    then
+        echo -n "Starting exchange..."
+        taler-exchange-httpd \
+            -c "${CONF}" \
+            -L INFO \
+            2> "${MY_TMP_DIR}/exchange-httpd-drain.err" &
+        EPID=$!
+
+        # Wait for all services to be available
+        for n in $(seq 1 50)
+        do
+            echo -n "."
+            sleep 0.1
+            OK=0
+            # exchange
+            wget "http://localhost:8081/seed" \
+                 -o /dev/null \
+                 -O /dev/null \
+                 >/dev/null \
+                || continue
+            OK=1
+            break
+        done
+        echo "... DONE."
+        export CONF
+
+        echo -n "Running taler-exchange-offline drain "
+
+        taler-exchange-offline \
+            -L DEBUG \
+            -c "${CONF}" \
+            drain TESTKUDOS:0.1 \
+            exchange-account-1 payto://iban/SANDBOXX/DE360679?receiver-name=Exchange+Drain \
+            upload \
+            2> "${MY_TMP_DIR}/taler-exchange-offline-drain.log" \
+            || exit_fail "offline draining failed"
+        kill -TERM "$EPID"
+        wait "$EPID" || true
+        unset EPID
+        echo -n "Running taler-exchange-drain ..."
+        printf "\n" | taler-exchange-drain \
+                        -L DEBUG \
+                        -c "$CONF" \
+                        2> "${MY_TMP_DIR}/taler-exchange-drain.log" \
+            || exit_fail "FAIL"
+        echo " DONE"
+
+        echo -n "Running taler-exchange-transfer ..."
+        taler-exchange-transfer \
+            -L INFO \
+            -t \
+            -c "$CONF" \
+            2> "${MY_TMP_DIR}/drain-transfer.log" \
+            || exit_fail "FAIL"
+        echo " DONE"
+
+        export LIBEUFIN_NEXUS_USERNAME="exchange"
+        export LIBEUFIN_NEXUS_PASSWORD="x"
+        export LIBEUFIN_NEXUS_URL="http://localhost:8082/"
+        PAIN_UUID=$(libeufin-cli accounts list-payments exchange-nexus | jq .initiatedPayments[] | jq 'select(.submitted==false)' | jq -r .paymentInitiationId)
+        if test -z "${PAIN_UUID}"
+        then
+            echo -n "Payment likely already submitted, running submit-payments without UUID anyway ..."
+            libeufin-cli accounts \
+                         submit-payments \
+                         exchange-nexus
+        else
+            echo -n "Running payment submission for transaction ${PAIN_UUID} ..."
+            libeufin-cli accounts \
+                         submit-payments \
+                         --payment-uuid "${PAIN_UUID}" \
+                         exchange-nexus
+        fi
+        echo " DONE"
+        echo -n "Import outgoing transactions..."
+        libeufin-cli accounts \
+                     fetch-transactions \
+                     --range-type since-last \
+                     --level report \
+                     exchange-nexus
+        echo " DONE"
+    fi
+    audit_only
+    post_audit
+}
+
+
+# Do a full reload of the (original) database
+function full_reload()
+{
+    echo -n "Doing full reload of the database (loading ${BASEDB}.sql into $DB at $PGHOST)... "
+    dropdb "$DB" 2> /dev/null || true
+    createdb -T template0 "$DB" \
+        || exit_skip "could not create database $DB (at $PGHOST)"
+    # Import pre-generated database, -q(ietly) using single (-1) transaction
+    psql -Aqt "$DB" \
+         -q \
+         -1 \
+         -f "${BASEDB}.sql" \
+         > /dev/null \
+        || exit_skip "Failed to load database $DB from ${BASEDB}.sql"
+    echo "DONE"
+    # Technically, this call shouldn't be needed as libeufin should already be stopped here...
+    stop_libeufin
+}
+
+
+function test_0() {
+
+    echo "===========0: normal run with aggregator==========="
+    run_audit aggregator
+    echo "Checking output"
+    # if an emergency was detected, that is a bug and we should fail
+    echo -n "Test for emergencies... "
+    jq -e .emergencies[0] < test-audit-coins.json > /dev/null && exit_fail "Unexpected emergency detected in ordinary run" || echo PASS
+    echo -n "Test for deposit confirmation emergencies... "
+    jq -e .deposit_confirmation_inconsistencies[0] < test-audit-deposits.json > /dev/null && exit_fail "Unexpected deposit confirmation inconsistency detected" || echo PASS
+    echo -n "Test for emergencies by count... "
+    jq -e .emergencies_by_count[0] < test-audit-coins.json > /dev/null && exit_fail "Unexpected emergency by count detected in ordinary run" || echo PASS
+
+    echo -n "Test for wire inconsistencies... "
+    jq -e .wire_out_amount_inconsistencies[0] < test-audit-wire.json > /dev/null && exit_fail "Unexpected wire out inconsistency detected in ordinary run"
+    jq -e .reserve_in_amount_inconsistencies[0] < test-audit-wire.json > /dev/null && exit_fail "Unexpected reserve in inconsistency detected in ordinary run"
+    jq -e .misattribution_inconsistencies[0] < test-audit-wire.json > /dev/null && exit_fail "Unexpected misattribution inconsistency detected in ordinary run"
+    jq -e .row_inconsistencies[0] < test-audit-wire.json > /dev/null && exit_fail "Unexpected row inconsistency detected in ordinary run"
+    jq -e .denomination_key_validity_withdraw_inconsistencies[0] < test-audit-reserves.json > /dev/null && exit_fail "Unexpected denomination key withdraw inconsistency detected in ordinary run"
+    jq -e .row_minor_inconsistencies[0] < test-audit-wire.json > /dev/null && exit_fail "Unexpected minor row inconsistency detected in ordinary run"
+    jq -e .lag_details[0] < test-audit-wire.json > /dev/null && exit_fail "Unexpected lag detected in ordinary run"
+    jq -e .wire_format_inconsistencies[0] < test-audit-wire.json > /dev/null && exit_fail "Unexpected wire format inconsistencies detected in ordinary run"
+
+
+    # TODO: check operation balances are correct (once we have all transaction types and wallet is deterministic)
+    # TODO: check revenue summaries are correct (once we have all transaction types and wallet is deterministic)
+
+    echo PASS
+
+    LOSS=$(jq -r .total_bad_sig_loss < test-audit-aggregation.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Wrong total bad sig loss from aggregation, got unexpected loss of $LOSS"
+    fi
+    LOSS=$(jq -r .irregular_loss < test-audit-coins.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Wrong total bad sig loss from coins, got unexpected loss of $LOSS"
+    fi
+    LOSS=$(jq -r .total_bad_sig_loss < test-audit-reserves.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Wrong total bad sig loss from reserves, got unexpected loss of $LOSS"
+    fi
+
+    echo -n "Test for wire amounts... "
+    WIRED=$(jq -r .total_wire_in_delta_plus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Expected total wire delta plus wrong, got $WIRED"
+    fi
+    WIRED=$(jq -r .total_wire_in_delta_minus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Expected total wire delta minus wrong, got $WIRED"
+    fi
+    WIRED=$(jq -r .total_wire_out_delta_plus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Expected total wire delta plus wrong, got $WIRED"
+    fi
+    WIRED=$(jq -r .total_wire_out_delta_minus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Expected total wire delta minus wrong, got $WIRED"
+    fi
+    WIRED=$(jq -r .total_misattribution_in < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Expected total misattribution in wrong, got $WIRED"
+    fi
+    echo "PASS"
+
+    echo -n "Checking for unexpected arithmetic differences "
+    LOSS=$(jq -r .total_arithmetic_delta_plus < test-audit-aggregation.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Wrong arithmetic delta from aggregations, got unexpected plus of $LOSS"
+    fi
+    LOSS=$(jq -r .total_arithmetic_delta_minus < test-audit-aggregation.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Wrong arithmetic delta from aggregation, got unexpected minus of $LOSS"
+    fi
+    LOSS=$(jq -r .total_arithmetic_delta_plus < test-audit-coins.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Wrong arithmetic delta from coins, got unexpected plus of $LOSS"
+    fi
+    LOSS=$(jq -r .total_arithmetic_delta_minus < test-audit-coins.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Wrong arithmetic delta from coins, got unexpected minus of $LOSS"
+    fi
+    LOSS=$(jq -r .total_arithmetic_delta_plus < test-audit-reserves.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Wrong arithmetic delta from reserves, got unexpected plus of $LOSS"
+    fi
+    LOSS=$(jq -r .total_arithmetic_delta_minus < test-audit-reserves.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Wrong arithmetic delta from reserves, got unexpected minus of $LOSS"
+    fi
+
+    jq -e .amount_arithmetic_inconsistencies[0] < test-audit-aggregation.json > /dev/null && exit_fail "Unexpected arithmetic inconsistencies from aggregations detected in ordinary run"
+    jq -e .amount_arithmetic_inconsistencies[0] < test-audit-coins.json > /dev/null && exit_fail "Unexpected arithmetic inconsistencies from coins detected in ordinary run"
+    jq -e .amount_arithmetic_inconsistencies[0] < test-audit-reserves.json > /dev/null && exit_fail "Unexpected arithmetic inconsistencies from reserves detected in ordinary run"
+    echo "PASS"
+
+    echo -n "Checking for unexpected wire out differences "
+    jq -e .wire_out_inconsistencies[0] < test-audit-aggregation.json > /dev/null && exit_fail "Unexpected wire out inconsistencies detected in ordinary run"
+    echo "PASS"
+
+    # cannot easily undo aggregator, hence full reload
+    full_reload
+
+}
+
+
+# Run without aggregator, hence auditor should detect wire
+# transfer lag!
+function test_1() {
+
+    echo "===========1: normal run==========="
+    run_audit
+
+    echo "Checking output"
+    # if an emergency was detected, that is a bug and we should fail
+    echo -n "Test for emergencies... "
+    jq -e .emergencies[0] \
+       < test-audit-coins.json \
+       > /dev/null \
+        && exit_fail "Unexpected emergency detected in ordinary run";
+    echo "PASS"
+    echo -n "Test for emergencies by count... "
+    jq -e .emergencies_by_count[0] \
+       < test-audit-coins.json \
+       > /dev/null \
+        && exit_fail "Unexpected emergency by count detected in ordinary run"
+    echo "PASS"
+
+    echo -n "Test for wire inconsistencies... "
+    jq -e .wire_out_amount_inconsistencies[0] \
+       < test-audit-wire.json \
+       > /dev/null \
+        && exit_fail "Unexpected wire out inconsistency detected in ordinary run"
+    jq -e .reserve_in_amount_inconsistencies[0] \
+       < test-audit-wire.json \
+       > /dev/null \
+        && exit_fail "Unexpected reserve in inconsistency detected in ordinary run"
+    jq -e .misattribution_inconsistencies[0] \
+       < test-audit-wire.json \
+       > /dev/null \
+        && exit_fail "Unexpected misattribution inconsistency detected in ordinary run"
+    jq -e .row_inconsistencies[0] \
+       < test-audit-wire.json \
+       > /dev/null \
+        && exit_fail "Unexpected row inconsistency detected in ordinary run"
+    jq -e .row_minor_inconsistencies[0] \
+       < test-audit-wire.json \
+       > /dev/null \
+        && exit_fail "Unexpected minor row inconsistency detected in ordinary run"
+    jq -e .wire_format_inconsistencies[0] \
+       < test-audit-wire.json \
+       > /dev/null \
+        && exit_fail "Unexpected wire format inconsistencies detected in ordinary run"
+
+    # TODO: check operation balances are correct (once we have all transaction types and wallet is deterministic)
+    # TODO: check revenue summaries are correct (once we have all transaction types and wallet is deterministic)
+
+    echo "PASS"
+
+    echo -n "Check for lag detection... "
+
+    # Check wire transfer lag reported (no aggregator!)
+    # NOTE: This test is EXPECTED to fail for ~1h after
+    # re-generating the test database as we do not
+    # report lag of less than 1h (see GRACE_PERIOD in
+    # taler-helper-auditor-wire.c)
+    jq -e .lag_details[0] \
+       < test-audit-wire.json \
+       > /dev/null \
+        || exit_fail "Lag not detected in run without aggregator"
+
+    LAG=$(jq -r .total_amount_lag < test-audit-wire.json)
+    if [ "$LAG" = "TESTKUDOS:0" ]
+    then
+        exit_fail "Expected total lag to be non-zero"
+    fi
+    echo "PASS"
+
+
+    echo -n "Test for wire amounts... "
+    WIRED=$(jq -r .total_wire_in_delta_plus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Expected total wire delta plus wrong, got $WIRED"
+    fi
+    WIRED=$(jq -r .total_wire_in_delta_minus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Expected total wire delta minus wrong, got $WIRED"
+    fi
+    WIRED=$(jq -r .total_wire_out_delta_plus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Expected total wire delta plus wrong, got $WIRED"
+    fi
+    WIRED=$(jq -r .total_wire_out_delta_minus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Expected total wire delta minus wrong, got $WIRED"
+    fi
+    WIRED=$(jq -r .total_misattribution_in < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
+    then
+        exit_fail "Expected total misattribution in wrong, got $WIRED"
+    fi
+    # Database was unmodified, no need to undo
+    echo "OK"
+}
+
+
+
+# *************** Main test loop starts here **************
+
+
+# Run all the tests against the database given in $1.
+# Sets $fail to 0 on success, non-zero on failure.
+function check_with_database()
+{
+    BASEDB="$1"
+    CONF="$1.conf"
+    echo "Running test suite with database $BASEDB using configuration $CONF"
+    MASTER_PRIV_FILE="${BASEDB}.mpriv"
+    taler-config \
+        -f \
+        -c "${CONF}" \
+        -s exchange-offline \
+        -o MASTER_PRIV_FILE \
+        -V "${MASTER_PRIV_FILE}"
+    MASTER_PUB=$(gnunet-ecc -p "$MASTER_PRIV_FILE")
+
+    echo "MASTER PUB is ${MASTER_PUB} using file ${MASTER_PRIV_FILE}"
+
+    # Load database
+    full_reload
+
+    # Run test suite
+    fail=0
+    for i in $TESTS
+    do
+        "test_$i"
+        if test 0 != $fail
+        then
+            break
+        fi
+    done
+    echo "Cleanup (disabled, leaving database $DB behind)"
+    # dropdb $DB
+}
+
+
+
+
+# *************** Main logic starts here **************
+
+# ####### Setup globals ######
+# Postgres database to use (must match configuration file)
+export DB="auditor-basedb"
+
+# test required commands exist
+echo "Testing for jq"
+jq -h > /dev/null || exit_skip "jq required"
+echo "Testing for faketime"
+faketime -h > /dev/null || exit_skip "faketime required"
+# NOTE: really check for all three libeufin commands?
+echo "Testing for libeufin"
+libeufin-cli --help >/dev/null 2> /dev/null </dev/null || exit_skip "libeufin required"
+echo "Testing for pdflatex"
+which pdflatex > /dev/null </dev/null || exit_skip "pdflatex required"
+echo "Testing for taler-wallet-cli"
+taler-wallet-cli -h >/dev/null </dev/null 2>/dev/null || exit_skip "taler-wallet-cli required"
+
+
+echo -n "Testing for Postgres"
+# Available directly in path?
+INITDB_BIN=$(command -v initdb) || true
+if [[ -n "$INITDB_BIN" ]]; then
+  echo " FOUND (in path) at $INITDB_BIN"
+else
+    HAVE_INITDB=$(find /usr -name "initdb" | head -1 2> /dev/null | grep postgres) \
+        || exit_skip " MISSING"
+  echo " FOUND at $(dirname "$HAVE_INITDB")"
+  INITDB_BIN=$(echo "$HAVE_INITDB" | grep bin/initdb | grep postgres | sort -n | tail -n1)
+fi
+POSTGRES_PATH=$(dirname "$INITDB_BIN")
+
+MY_TMP_DIR=$(mktemp -d /tmp/taler-auditor-basedbXXXXXX)
+echo "Using $MY_TMP_DIR for logging and temporary data"
+TMPDIR="$MY_TMP_DIR/postgres"
+mkdir -p "$TMPDIR"
+echo -n "Setting up Postgres DB at $TMPDIR ..."
+$INITDB_BIN \
+    --no-sync \
+    --auth=trust \
+    -D "${TMPDIR}" \
+    > "${MY_TMP_DIR}/postgres-dbinit.log" \
+    2> "${MY_TMP_DIR}/postgres-dbinit.err"
+echo "DONE"
+SOCKETDIR="${TMPDIR}/sockets"
+mkdir "${SOCKETDIR}"
+echo -n "Launching Postgres service"
+cat - >> "$TMPDIR/postgresql.conf" <<EOF
+unix_socket_directories='${TMPDIR}/sockets'
+fsync=off
+max_wal_senders=0
+synchronous_commit=off
+wal_level=minimal
+listen_addresses=''
+EOF
+grep -v host \
+     < "$TMPDIR/pg_hba.conf" \
+     > "$TMPDIR/pg_hba.conf.new"
+mv "$TMPDIR/pg_hba.conf.new" "$TMPDIR/pg_hba.conf"
+"${POSTGRES_PATH}/pg_ctl" \
+                -D "$TMPDIR" \
+                -l /dev/null \
+                start \
+                > "${MY_TMP_DIR}/postgres-start.log" \
+                2> "${MY_TMP_DIR}/postgres-start.err"
+echo " DONE"
+PGHOST="$TMPDIR/sockets"
+export PGHOST
+
+MYDIR="${MY_TMP_DIR}/basedb"
+mkdir -p "${MYDIR}"
+echo "Generating fresh database at $MYDIR"
+if faketime -f '-1 d' ./generate-auditor-basedb.sh \
+            -c generate-kyc-basedb.conf \
+            -d "$MYDIR/$DB"
+then
+    echo -n "Reset 'auditor-basedb' database at $PGHOST ..."
+    dropdb "auditor-basedb" >/dev/null 2>/dev/null || true
+    createdb "auditor-basedb" || exit_skip "Could not create database '$BASEDB' at $PGHOST"
+    echo " DONE"
+    check_with_database "$MYDIR/$DB"
+    if [ "$fail" != "0" ]
+    then
+        exit "$fail"
+    fi
+else
+    echo "Generation failed"
+    exit 1
+fi
+
+exit 0
diff --git a/src/auditor/test-revocation.sh b/src/auditor/test-revocation.sh
index a1f0ab1a9..06e2b5ae0 100755
--- a/src/auditor/test-revocation.sh
+++ b/src/auditor/test-revocation.sh
@@ -19,13 +19,15 @@
 #
 # Check that the auditor report is as expected.
 #
+# shellcheck disable=SC2317
+#
 # Requires 'jq' tool and Postgres superuser rights!
 set -eu
 # set -x
 
 # Set of numbers for all the testcases.
 # When adding new tests, increase the last number:
-ALL_TESTS=`seq 0 4`
+ALL_TESTS=$(seq 0 4)
 
 # $TESTS determines which tests we should run.
 # This construction is used to make it easy to
@@ -42,50 +44,18 @@ TESTS=${1:-$ALL_TESTS}
 # Global variable to run the auditor processes under valgrind
 # VALGRIND=valgrind
 VALGRIND=""
+LOGLEVEL="INFO"
 
-# Exit, with status code "skip" (no 'real' failure)
-function exit_skip() {
-    echo "SKIPPING test: $1"
-    exit 77
-}
-
-# Exit, with error message (hard failure)
-function exit_fail() {
-    echo "FAILING test: $1"
-    exit 1
-}
-
-function stop_libeufin()
-{
-    echo "killing libeufin..."
-    if test -f ${MYDIR:-/}/libeufin-sandbox.pid
-    then
-        echo "Killing libeufin sandbox"
-        PID=`cat ${MYDIR}/libeufin-sandbox.pid 2> /dev/null`
-        rm ${MYDIR}/libeufin-sandbox.pid
-        kill $PID 2> /dev/null || true
-        wait $PID || true
-    fi
-    if test -f ${MYDIR:-/}/libeufin-nexus.pid
-    then
-        echo "Killing libeufin nexus"
-        PID=`cat ${MYDIR}/libeufin-nexus.pid 2> /dev/null`
-        rm ${MYDIR}/libeufin-nexus.pid
-        kill $PID 2> /dev/null || true
-        wait $PID || true
-    fi
-    echo "killing libeufin DONE"
-}
-
+. setup.sh
 
 # Cleanup to run whenever we exit
 function cleanup()
 {
-    if test ! -z "${EPID:-}"
+    if [ ! -z "${EPID:-}" ]
     then
         echo -n "Stopping exchange $EPID..."
-        kill -TERM $EPID
-        wait $EPID
+        kill -TERM "$EPID"
+        wait "$EPID"
         echo " DONE"
         unset EPID
     fi
@@ -96,15 +66,20 @@ function cleanup()
 function exit_cleanup()
 {
     echo "Running exit-cleanup"
-    if test ! -z "${POSTGRES_PATH:-}"
+    if [ ! -z "${POSTGRES_PATH:-}" ]
     then
         echo "Stopping Postgres at ${POSTGRES_PATH}"
-        ${POSTGRES_PATH}/pg_ctl -D $TMPDIR -l /dev/null stop &> /dev/null || true
+        "${POSTGRES_PATH}/pg_ctl" \
+            -D "$TMPDIR" \
+            -l /dev/null \
+            stop \
+            &> /dev/null \
+            || true
     fi
     cleanup
-    for n in `jobs -p`
+    for n in $(jobs -p)
     do
-        kill $n 2> /dev/null || true
+        kill "$n" 2> /dev/null || true
     done
     wait
     echo "DONE"
@@ -113,94 +88,80 @@ function exit_cleanup()
 # Install cleanup handler (except for kill -9)
 trap exit_cleanup EXIT
 
-# Downloads new transactions from the bank.
-function nexus_fetch_transactions () {
-    export LIBEUFIN_NEXUS_USERNAME=exchange
-    export LIBEUFIN_NEXUS_PASSWORD=x
-    export LIBEUFIN_NEXUS_URL=http://localhost:8082/
-    libeufin-cli accounts fetch-transactions \
-                 --range-type since-last --level report exchange-nexus > /dev/null
-    unset LIBEUFIN_NEXUS_USERNAME
-    unset LIBEUFIN_NEXUS_PASSWORD
-    unset LIBEUFIN_NEXUS_URL
-}
-
-# Instruct Nexus to all the prepared payments (= those
-# POSTed to /transfer by the exchange).
-function nexus_submit_to_sandbox () {
-    export LIBEUFIN_NEXUS_USERNAME=exchange
-    export LIBEUFIN_NEXUS_PASSWORD=x
-    export LIBEUFIN_NEXUS_URL=http://localhost:8082/
-    libeufin-cli accounts submit-payments exchange-nexus
-    unset LIBEUFIN_NEXUS_USERNAME
-    unset LIBEUFIN_NEXUS_PASSWORD
-    unset LIBEUFIN_NEXUS_URL
-}
 
 function get_payto_uri() {
     export LIBEUFIN_SANDBOX_USERNAME=$1
     export LIBEUFIN_SANDBOX_PASSWORD=$2
     export LIBEUFIN_SANDBOX_URL=http://localhost:18082
-    libeufin-cli sandbox demobank info --bank-account $1 | jq --raw-output '.paytoUri'
+    libeufin-cli sandbox demobank info \
+                 --bank-account "$1" \
+        | jq --raw-output '.paytoUri'
 }
 
-function launch_libeufin () {
-    export LIBEUFIN_NEXUS_DB_CONNECTION="jdbc:sqlite:${DB}-nexus.sqlite3"
-    cd $MYDIR
-    libeufin-nexus serve --port 8082 \
-                   2> ${MYDIR}/libeufin-nexus-stderr.log \
-                   > ${MYDIR}/libeufin-nexus-stdout.log &
-    echo $! > ${MYDIR}/libeufin-nexus.pid
-    export LIBEUFIN_SANDBOX_DB_CONNECTION="jdbc:sqlite:${DB}-sandbox.sqlite3"
-    libeufin-sandbox serve --no-auth --port 18082 \
-                     > ${MYDIR}/libeufin-sandbox-stdout.log \
-                     2> ${MYDIR}/libeufin-sandbox-stderr.log &
-    echo $! > ${MYDIR}/libeufin-sandbox.pid
-    cd $ORIGIN
-}
 
 # Operations to run before the actual audit
 function pre_audit () {
     # Launch bank
     echo -n "Launching bank "
-    EXCHANGE_URL=`taler-config -c $CONF -s EXCHANGE -o BASE_URL`
     launch_libeufin
-    for n in `seq 1 80`
+    for n in $(seq 1 80)
     do
         echo -n "."
         sleep 0.1
         OK=1
-        wget http://localhost:18082/ -o /dev/null -O /dev/null >/dev/null && break
+        wget http://localhost:18082/ \
+             -o /dev/null \
+             -O /dev/null \
+             >/dev/null && break
         OK=0
     done
-    if [ 1 != $OK ]
+    if [ 1 != "$OK" ]
     then
         exit_skip "Failed to launch Sandbox"
     fi
-    for n in `seq 1 80`
+    for n in $(seq 1 80)
     do
         echo -n "."
         sleep 0.1
         OK=1
-        wget http://localhost:8082/ -o /dev/null -O /dev/null >/dev/null && break
+        wget http://localhost:8082/ \
+             -o /dev/null \
+             -O /dev/null \
+             >/dev/null && break
         OK=0
     done
-    if [ 1 != $OK ]
+    if [ 1 != "$OK" ]
     then
         exit_skip "Failed to launch Nexus"
     fi
     echo " DONE"
-    if test ${1:-no} = "aggregator"
+    if [ "${1:-no}" = "aggregator" ]
     then
         export CONF
 	    echo -n "Running exchange aggregator ... (config: $CONF)"
-        taler-exchange-aggregator -L INFO -t -c $CONF -y 2> ${MYDIR}/aggregator.log || exit_fail "FAIL"
+        taler-exchange-aggregator \
+            -L "$LOGLEVEL" \
+            -t \
+            -c "$CONF" \
+            -y \
+            2> "${MY_TMP_DIR}/aggregator.log" \
+            || exit_fail "FAIL"
         echo " DONE"
         echo -n "Running exchange closer ..."
-        taler-exchange-closer -L INFO -t -c $CONF 2> ${MYDIR}/closer.log || exit_fail "FAIL"
+        taler-exchange-closer \
+            -L "$LOGLEVEL" \
+            -t \
+            -c "$CONF" \
+            2> "${MY_TMP_DIR}/closer.log" \
+            || exit_fail "FAIL"
         echo " DONE"
         echo -n "Running exchange transfer ..."
-        taler-exchange-transfer -L INFO -t -c $CONF 2> ${MYDIR}/transfer.log || exit_fail "FAIL"
+        taler-exchange-transfer \
+            -L "$LOGLEVEL" \
+            -t \
+            -c "$CONF" \
+            2> "${MY_TMP_DIR}/transfer.log" \
+            || exit_fail "FAIL"
         echo " DONE"
 	    echo -n "Running Nexus payment submitter ..."
 	    nexus_submit_to_sandbox
@@ -218,28 +179,93 @@ function audit_only () {
     echo -n "Running audit(s) ... (conf is $CONF)"
 
     # Restart so that first run is always fresh, and second one is incremental
-    taler-auditor-dbinit -r -c $CONF
-    $VALGRIND taler-helper-auditor-aggregation -L DEBUG -c $CONF -m $MASTER_PUB > test-audit-aggregation.json 2> test-audit-aggregation.log || exit_fail "aggregation audit failed"
+    taler-auditor-dbinit \
+        -r \
+        -c "$CONF"
+    $VALGRIND taler-helper-auditor-aggregation \
+              -L "$LOGLEVEL" \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-aggregation.json \
+              2> test-audit-aggregation.log \
+        || exit_fail "aggregation audit failed"
     echo -n "."
-    $VALGRIND taler-helper-auditor-aggregation -L DEBUG -c $CONF -m $MASTER_PUB > test-audit-aggregation-inc.json 2> test-audit-aggregation-inc.log || exit_fail "incremental aggregation audit failed"
+    $VALGRIND taler-helper-auditor-aggregation \
+              -L "$LOGLEVEL" \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-aggregation-inc.json \
+              2> test-audit-aggregation-inc.log \
+        || exit_fail "incremental aggregation audit failed"
     echo -n "."
-    $VALGRIND taler-helper-auditor-coins -L DEBUG -c $CONF -m $MASTER_PUB > test-audit-coins.json 2> test-audit-coins.log || exit_fail "coin audit failed"
+    $VALGRIND taler-helper-auditor-coins \
+              -L "$LOGLEVEL" \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-coins.json \
+              2> test-audit-coins.log \
+        || exit_fail "coin audit failed"
     echo -n "."
-    $VALGRIND taler-helper-auditor-coins -L DEBUG -c $CONF -m $MASTER_PUB > test-audit-coins-inc.json 2> test-audit-coins-inc.log || exit_fail "incremental coin audit failed"
+    $VALGRIND taler-helper-auditor-coins \
+              -L "$LOGLEVEL" \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-coins-inc.json \
+              2> test-audit-coins-inc.log \
+        || exit_fail "incremental coin audit failed"
     echo -n "."
-    $VALGRIND taler-helper-auditor-deposits -L DEBUG -c $CONF -m $MASTER_PUB > test-audit-deposits.json 2> test-audit-deposits.log || exit_fail "deposits audit failed"
+    $VALGRIND taler-helper-auditor-deposits \
+              -L "$LOGLEVEL" \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-deposits.json \
+              2> test-audit-deposits.log \
+        || exit_fail "deposits audit failed"
     echo -n "."
-    $VALGRIND taler-helper-auditor-deposits -L DEBUG -c $CONF -m $MASTER_PUB > test-audit-deposits-inc.json 2> test-audit-deposits-inc.log || exit_fail "incremental deposits audit failed"
+    $VALGRIND taler-helper-auditor-deposits \
+              -L "$LOGLEVEL" \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-deposits-inc.json \
+              2> test-audit-deposits-inc.log \
+        || exit_fail "incremental deposits audit failed"
     echo -n "."
-    $VALGRIND taler-helper-auditor-reserves -i -L DEBUG -c $CONF -m $MASTER_PUB > test-audit-reserves.json 2> test-audit-reserves.log || exit_fail "reserves audit failed"
+    $VALGRIND taler-helper-auditor-reserves \
+              -i \
+              -L "$LOGLEVEL" \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-reserves.json \
+              2> test-audit-reserves.log \
+        || exit_fail "reserves audit failed"
     echo -n "."
-    $VALGRIND taler-helper-auditor-reserves -i -L DEBUG -c $CONF -m $MASTER_PUB > test-audit-reserves-inc.json 2> test-audit-reserves-inc.log || exit_fail "incremental reserves audit failed"
+    $VALGRIND taler-helper-auditor-reserves \
+              -i \
+              -L "$LOGLEVEL" \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-reserves-inc.json \
+              2> test-audit-reserves-inc.log \
+        || exit_fail "incremental reserves audit failed"
     echo -n "."
-    $VALGRIND taler-helper-auditor-wire -i -L DEBUG -c $CONF -m $MASTER_PUB > test-audit-wire.json 2> test-wire-audit.log || exit_fail "wire audit failed"
+    $VALGRIND taler-helper-auditor-wire \
+              -i \
+              -L "$LOGLEVEL" \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-wire.json \
+              2> test-wire-audit.log \
+        || exit_fail "wire audit failed"
     echo -n "."
-    $VALGRIND taler-helper-auditor-wire -i -L DEBUG -c $CONF -m $MASTER_PUB > test-audit-wire-inc.json 2> test-wire-audit-inc.log || exit_fail "wire audit failed"
+    $VALGRIND taler-helper-auditor-wire \
+              -i \
+              -L "$LOGLEVEL" \
+              -c "$CONF" \
+              -m "$MASTER_PUB" \
+              > test-audit-wire-inc.json \
+              2> test-wire-audit-inc.log \
+        || exit_fail "wire audit failed"
     echo -n "."
-
     echo " DONE"
 }
 
@@ -248,12 +274,22 @@ function audit_only () {
 function post_audit () {
     cleanup
     echo -n "TeXing ."
-    taler-helper-auditor-render.py test-audit-aggregation.json test-audit-coins.json test-audit-deposits.json test-audit-reserves.json test-audit-wire.json < ../../contrib/auditor-report.tex.j2 > test-report.tex || exit_fail "Renderer failed"
-
+    taler-helper-auditor-render.py \
+        test-audit-aggregation.json \
+        test-audit-coins.json \
+        test-audit-deposits.json \
+        test-audit-reserves.json \
+        test-audit-wire.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"
+    timeout 10 pdflatex test-report.tex \
+            >/dev/null \
+        || exit_fail "pdflatex failed"
     echo -n "."
-    timeout 10 pdflatex test-report.tex >/dev/null
+    timeout 10 pdflatex test-report.tex \
+            >/dev/null
     echo " DONE"
 }
 
@@ -263,10 +299,9 @@ function post_audit () {
 # $ taler-exchange-aggregator
 # before auditor (to trigger pending wire transfers).
 function run_audit () {
-    pre_audit ${1:-no}
+    pre_audit "${1:-no}"
     audit_only
     post_audit
-
 }
 
 
@@ -274,35 +309,21 @@ function run_audit () {
 function full_reload()
 {
     echo -n "Doing full reload of the database... "
-    dropdb $DB 2> /dev/null || true
-    createdb -T template0 $DB || exit_skip "could not create database $DB (at $PGHOST)"
+    dropdb "$DB" 2> /dev/null || true
+    createdb -T template0 "$DB" \
+        || exit_skip "could not create database $DB (at $PGHOST)"
     # Import pre-generated database, -q(ietly) using single (-1) transaction
-    psql -Aqt $DB -q -1 -f ${BASEDB}.sql > /dev/null || exit_skip "Failed to load database $DB from ${BASEDB}.sql"
+    psql -Aqt "$DB" \
+         -q \
+         -1 \
+         -f "${BASEDB}.sql" \
+         > /dev/null \
+        || exit_skip "Failed to load database $DB from ${BASEDB}.sql"
     echo "DONE"
-    cd $MYDIR
-    rm -f ${DB}-nexus.sqlite3 ${DB}-sandbox.sqlite3 || true # libeufin
-    echo "Loading libeufin Nexus basedb: ${BASEDB}-libeufin-nexus.sql"
-    sqlite3 ${DB}-nexus.sqlite3 < ${BASEDB}-libeufin-nexus.sql || exit_skip "Failed to load Nexus database"
-    echo "DONE"
-    echo "Loading libeufin Sandbox basedb: ${BASEDB}-libeufin-nexus.sql"
-    sqlite3 ${DB}-sandbox.sqlite3 < ${BASEDB}-libeufin-sandbox.sql || exit_skip "Failed to load Sandbox database"
-    echo "DONE"
-    # Exchange payto URI contains the (dynamically generated)
-    # IBAN, that can only be written in CONF after libeufin is
-    # setup.
-    taler-config -c $CONF -s exchange-account-1 -o PAYTO_URI &> /dev/null || (
-        echo -n "Specifying exchange payto URI in the configuration ($CONF) (grab IBAN from ${DB}-sandbox.sqlite3)...";
-        EXCHANGE_IBAN=`echo "SELECT iban FROM BankAccounts WHERE label='exchange'" | sqlite3 ${DB}-sandbox.sqlite3`;
-        taler-config -c $CONF -s exchange-account-1 -o PAYTO_URI \
-                     -V "payto://iban/SANDBOXX/$EXCHANGE_IBAN?receiver-name=Exchange+Company"
-        echo " DONE"
-    )
-    cd $ORIGIN
 }
 
 
 function test_0() {
-
     echo "===========0: normal run with aggregator==========="
     run_audit aggregator
 
@@ -331,94 +352,105 @@ function test_0() {
 
     echo PASS
 
-    LOSS=`jq -r .total_bad_sig_loss < test-audit-aggregation.json`
-    if test $LOSS != "TESTKUDOS:0"
+    LOSS=$(jq -r .total_bad_sig_loss < test-audit-aggregation.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
     then
         exit_fail "Wrong total bad sig loss from aggregation, got unexpected loss of $LOSS"
     fi
-    LOSS=`jq -r .irregular_loss < test-audit-coins.json`
-    if test $LOSS != "TESTKUDOS:0"
+    LOSS=$(jq -r .irregular_loss < test-audit-coins.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
     then
         exit_fail "Wrong total bad sig loss from coins, got unexpected loss of $LOSS"
     fi
-    LOSS=`jq -r .total_bad_sig_loss < test-audit-reserves.json`
-    if test $LOSS != "TESTKUDOS:0"
+    LOSS=$(jq -r .total_bad_sig_loss < test-audit-reserves.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
     then
         exit_fail "Wrong total bad sig loss from reserves, got unexpected loss of $LOSS"
     fi
 
     echo -n "Test for wire amounts... "
-    WIRED=`jq -r .total_wire_in_delta_plus < test-audit-wire.json`
-    if test $WIRED != "TESTKUDOS:0"
+    WIRED=$(jq -r .total_wire_in_delta_plus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
     then
         exit_fail "Expected total wire delta plus wrong, got $WIRED"
     fi
-    WIRED=`jq -r .total_wire_in_delta_minus < test-audit-wire.json`
-    if test $WIRED != "TESTKUDOS:0"
+    WIRED=$(jq -r .total_wire_in_delta_minus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
     then
         exit_fail "Expected total wire delta minus wrong, got $WIRED"
     fi
-    WIRED=`jq -r .total_wire_out_delta_plus < test-audit-wire.json`
-    if test $WIRED != "TESTKUDOS:0"
+    WIRED=$(jq -r .total_wire_out_delta_plus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
     then
         exit_fail "Expected total wire delta plus wrong, got $WIRED"
     fi
-    WIRED=`jq -r .total_wire_out_delta_minus < test-audit-wire.json`
-    if test $WIRED != "TESTKUDOS:0"
+    WIRED=$(jq -r .total_wire_out_delta_minus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
     then
         exit_fail "Expected total wire delta minus wrong, got $WIRED"
     fi
-    WIRED=`jq -r .total_misattribution_in < test-audit-wire.json`
-    if test $WIRED != "TESTKUDOS:0"
+    WIRED=$(jq -r .total_misattribution_in < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
     then
         exit_fail "Expected total misattribution in wrong, got $WIRED"
     fi
-    echo PASS
+    echo "PASS"
 
     echo -n "Checking for unexpected arithmetic differences "
-    LOSS=`jq -r .total_arithmetic_delta_plus < test-audit-aggregation.json`
-    if test $LOSS != "TESTKUDOS:0"
+    LOSS=$(jq -r .total_arithmetic_delta_plus < test-audit-aggregation.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
     then
         exit_fail "Wrong arithmetic delta from aggregations, got unexpected plus of $LOSS"
     fi
-    LOSS=`jq -r .total_arithmetic_delta_minus < test-audit-aggregation.json`
-    if test $LOSS != "TESTKUDOS:0"
+    LOSS=$(jq -r .total_arithmetic_delta_minus < test-audit-aggregation.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
     then
         exit_fail "Wrong arithmetic delta from aggregation, got unexpected minus of $LOSS"
     fi
-    LOSS=`jq -r .total_arithmetic_delta_plus < test-audit-coins.json`
-    if test $LOSS != "TESTKUDOS:0"
+    LOSS=$(jq -r .total_arithmetic_delta_plus < test-audit-coins.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
     then
         exit_fail "Wrong arithmetic delta from coins, got unexpected plus of $LOSS"
     fi
-    LOSS=`jq -r .total_arithmetic_delta_minus < test-audit-coins.json`
-    if test $LOSS != "TESTKUDOS:0"
+    LOSS=$(jq -r .total_arithmetic_delta_minus < test-audit-coins.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
     then
         exit_fail "Wrong arithmetic delta from coins, got unexpected minus of $LOSS"
     fi
-    LOSS=`jq -r .total_arithmetic_delta_plus < test-audit-reserves.json`
-    if test $LOSS != "TESTKUDOS:0"
+    LOSS=$(jq -r .total_arithmetic_delta_plus < test-audit-reserves.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
     then
         exit_fail "Wrong arithmetic delta from reserves, got unexpected plus of $LOSS"
     fi
-    LOSS=`jq -r .total_arithmetic_delta_minus < test-audit-reserves.json`
-    if test $LOSS != "TESTKUDOS:0"
+    LOSS=$(jq -r .total_arithmetic_delta_minus < test-audit-reserves.json)
+    if [ "$LOSS" != "TESTKUDOS:0" ]
     then
         exit_fail "Wrong arithmetic delta from reserves, got unexpected minus of $LOSS"
     fi
 
-    jq -e .amount_arithmetic_inconsistencies[0] < test-audit-aggregation.json > /dev/null && exit_fail "Unexpected arithmetic inconsistencies from aggregations detected in ordinary run"
-    jq -e .amount_arithmetic_inconsistencies[0] < test-audit-coins.json > /dev/null && exit_fail "Unexpected arithmetic inconsistencies from coins detected in ordinary run"
-    jq -e .amount_arithmetic_inconsistencies[0] < test-audit-reserves.json > /dev/null && exit_fail "Unexpected arithmetic inconsistencies from reserves detected in ordinary run"
-    echo PASS
+    jq -e .amount_arithmetic_inconsistencies[0] \
+       < test-audit-aggregation.json \
+       > /dev/null \
+        && exit_fail "Unexpected arithmetic inconsistencies from aggregations detected in ordinary run"
+    jq -e .amount_arithmetic_inconsistencies[0] \
+       < test-audit-coins.json \
+       > /dev/null \
+        && exit_fail "Unexpected arithmetic inconsistencies from coins detected in ordinary run"
+    jq -e .amount_arithmetic_inconsistencies[0] \
+       < test-audit-reserves.json \
+       > /dev/null \
+        && exit_fail "Unexpected arithmetic inconsistencies from reserves detected in ordinary run"
+    echo "PASS"
 
     echo -n "Checking for unexpected wire out differences "
-    jq -e .wire_out_inconsistencies[0] < test-audit-aggregation.json > /dev/null && exit_fail "Unexpected wire out inconsistencies detected in ordinary run"
-    echo PASS
+    jq -e .wire_out_inconsistencies[0] \
+       < test-audit-aggregation.json \
+       > /dev/null \
+        && exit_fail "Unexpected wire out inconsistencies detected in ordinary run"
+    echo "PASS"
 
     # cannot easily undo aggregator, hence full reload
     full_reload
-
 }
 
 
@@ -432,46 +464,72 @@ function test_1() {
     echo "Checking output"
     # if an emergency was detected, that is a bug and we should fail
     echo -n "Test for emergencies... "
-    jq -e .emergencies[0] < test-audit-coins.json > /dev/null && exit_fail "Unexpected emergency detected in ordinary run" || echo PASS
+    jq -e .emergencies[0] \
+       < test-audit-coins.json \
+       > /dev/null \
+        && exit_fail "Unexpected emergency detected in ordinary run" \
+        || echo "PASS"
     echo -n "Test for emergencies by count... "
-    jq -e .emergencies_by_count[0] < test-audit-coins.json > /dev/null && exit_fail "Unexpected emergency by count detected in ordinary run" || echo PASS
+    jq -e .emergencies_by_count[0] \
+       < test-audit-coins.json \
+       > /dev/null \
+        && exit_fail "Unexpected emergency by count detected in ordinary run" \
+        || echo "PASS"
 
     echo -n "Test for wire inconsistencies... "
-    jq -e .wire_out_amount_inconsistencies[0] < test-audit-wire.json > /dev/null && exit_fail "Unexpected wire out inconsistency detected in ordinary run"
-    jq -e .reserve_in_amount_inconsistencies[0] < test-audit-wire.json > /dev/null && exit_fail "Unexpected reserve in inconsistency detected in ordinary run"
-    jq -e .misattribution_inconsistencies[0] < test-audit-wire.json > /dev/null && exit_fail "Unexpected misattribution inconsistency detected in ordinary run"
-    jq -e .row_inconsistencies[0] < test-audit-wire.json > /dev/null && exit_fail "Unexpected row inconsistency detected in ordinary run"
-    jq -e .row_minor_inconsistencies[0] < test-audit-wire.json > /dev/null && exit_fail "Unexpected minor row inconsistency detected in ordinary run"
-    jq -e .wire_format_inconsistencies[0] < test-audit-wire.json > /dev/null && exit_fail "Unexpected wire format inconsistencies detected in ordinary run"
+    jq -e .wire_out_amount_inconsistencies[0] \
+       < test-audit-wire.json \
+       > /dev/null \
+        && exit_fail "Unexpected wire out inconsistency detected in ordinary run"
+    jq -e .reserve_in_amount_inconsistencies[0] \
+       < test-audit-wire.json \
+       > /dev/null \
+        && exit_fail "Unexpected reserve in inconsistency detected in ordinary run"
+    jq -e .misattribution_inconsistencies[0] \
+       < test-audit-wire.json \
+       > /dev/null \
+        && exit_fail "Unexpected misattribution inconsistency detected in ordinary run"
+    jq -e .row_inconsistencies[0] \
+       < test-audit-wire.json \
+       > /dev/null \
+        && exit_fail "Unexpected row inconsistency detected in ordinary run"
+    jq -e .row_minor_inconsistencies[0] \
+       < test-audit-wire.json \
+       > /dev/null \
+        && exit_fail "Unexpected minor row inconsistency detected in ordinary run"
+    jq -e .wire_format_inconsistencies[0] \
+       < test-audit-wire.json \
+       > /dev/null \
+        && exit_fail "Unexpected wire format inconsistencies detected in ordinary run"
 
     # TODO: check operation balances are correct (once we have all transaction types and wallet is deterministic)
     # TODO: check revenue summaries are correct (once we have all transaction types and wallet is deterministic)
 
-    echo PASS
+    echo "PASS"
 
     echo -n "Test for wire amounts... "
-    WIRED=`jq -r .total_wire_in_delta_plus < test-audit-wire.json`
-    if test $WIRED != "TESTKUDOS:0"
+    WIRED=$(jq -r .total_wire_in_delta_plus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
     then
         exit_fail "Expected total wire delta plus wrong, got $WIRED"
     fi
-    WIRED=`jq -r .total_wire_in_delta_minus < test-audit-wire.json`
-    if test $WIRED != "TESTKUDOS:0"
+    WIRED=$(jq -r .total_wire_in_delta_minus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
     then
         exit_fail "Expected total wire delta minus wrong, got $WIRED"
     fi
-    WIRED=`jq -r .total_wire_out_delta_plus < test-audit-wire.json`
-    if test $WIRED != "TESTKUDOS:0"
+    WIRED=$(jq -r .total_wire_out_delta_plus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
     then
         exit_fail "Expected total wire delta plus wrong, got $WIRED"
     fi
-    WIRED=`jq -r .total_wire_out_delta_minus < test-audit-wire.json`
-    if test $WIRED != "TESTKUDOS:0"
+    WIRED=$(jq -r .total_wire_out_delta_minus < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
     then
         exit_fail "Expected total wire delta minus wrong, got $WIRED"
     fi
-    WIRED=`jq -r .total_misattribution_in < test-audit-wire.json`
-    if test $WIRED != "TESTKUDOS:0"
+    WIRED=$(jq -r .total_misattribution_in < test-audit-wire.json)
+    if [ "$WIRED" != "TESTKUDOS:0" ]
     then
         exit_fail "Expected total misattribution in wrong, got $WIRED"
     fi
@@ -486,37 +544,37 @@ function test_1() {
 function test_2() {
 
     echo "===========2: recoup amount inconsistency==========="
-    echo "UPDATE exchange.recoup SET amount_val=5 WHERE recoup_uuid=1" | psql -Aqt $DB
+    echo "UPDATE exchange.recoup SET amount_val=5 WHERE recoup_uuid=1" | psql -Aqt "$DB"
 
     run_audit
 
     # Reserve balance is now wrong
     echo -n "Testing inconsistency detection... "
-    AMOUNT=`jq -r .reserve_balance_summary_wrong_inconsistencies[0].auditor < test-audit-reserves.json`
-    if test $AMOUNT != "TESTKUDOS:3"
+    AMOUNT=$(jq -r .reserve_balance_summary_wrong_inconsistencies[0].auditor < test-audit-reserves.json)
+    if [ "$AMOUNT" != "TESTKUDOS:3" ]
     then
         exit_fail "Reserve auditor amount $AMOUNT is wrong"
     fi
-    AMOUNT=`jq -r .reserve_balance_summary_wrong_inconsistencies[0].exchange < test-audit-reserves.json`
-    if test $AMOUNT != "TESTKUDOS:0"
+    AMOUNT=$(jq -r .reserve_balance_summary_wrong_inconsistencies[0].exchange < test-audit-reserves.json)
+    if [ "$AMOUNT" != "TESTKUDOS:0" ]
     then
         exit_fail "Reserve exchange amount $AMOUNT is wrong"
     fi
     # Coin spent exceeded coin's value
-    AMOUNT=`jq -r .amount_arithmetic_inconsistencies[0].auditor < test-audit-coins.json`
-    if test $AMOUNT != "TESTKUDOS:2"
+    AMOUNT=$(jq -r .amount_arithmetic_inconsistencies[0].auditor < test-audit-coins.json)
+    if [ "$AMOUNT" != "TESTKUDOS:2" ]
     then
         exit_fail "Coin auditor amount $AMOUNT is wrong"
     fi
-    AMOUNT=`jq -r .amount_arithmetic_inconsistencies[0].exchange < test-audit-coins.json`
-    if test $AMOUNT != "TESTKUDOS:5"
+    AMOUNT=$(jq -r .amount_arithmetic_inconsistencies[0].exchange < test-audit-coins.json)
+    if [ "$AMOUNT" != "TESTKUDOS:5" ]
     then
         exit_fail "Coin exchange amount $AMOUNT is wrong"
     fi
-    echo OK
+    echo "OK"
 
     # Undo database modification
-    echo "UPDATE exchange.recoup SET amount_val=2 WHERE recoup_uuid=1" | psql -Aqt $DB
+    echo "UPDATE exchange.recoup SET amount_val=2 WHERE recoup_uuid=1" | psql -Aqt "$DB"
 
 }
 
@@ -525,26 +583,26 @@ function test_2() {
 function test_3() {
 
     echo "===========3: recoup-refresh amount inconsistency==========="
-    echo "UPDATE exchange.recoup_refresh SET amount_val=5 WHERE recoup_refresh_uuid=1" | psql -Aqt $DB
+    echo "UPDATE exchange.recoup_refresh SET amount_val=5 WHERE recoup_refresh_uuid=1" | psql -Aqt "$DB"
 
     run_audit
 
     echo -n "Testing inconsistency detection... "
     # Coin spent exceeded coin's value
-    AMOUNT=`jq -r .total_arithmetic_delta_minus < test-audit-coins.json`
-    if test $AMOUNT != "TESTKUDOS:5"
+    AMOUNT=$(jq -r .total_arithmetic_delta_minus < test-audit-coins.json)
+    if [ "$AMOUNT" != "TESTKUDOS:5" ]
     then
         exit_fail "Arithmetic delta minus amount $AMOUNT is wrong"
     fi
-    AMOUNT=`jq -r .total_arithmetic_delta_plus < test-audit-coins.json`
-    if test $AMOUNT != "TESTKUDOS:0"
+    AMOUNT=$(jq -r .total_arithmetic_delta_plus < test-audit-coins.json)
+    if [ "$AMOUNT" != "TESTKUDOS:0" ]
     then
         exit_fail "Arithmetic delta plus amount $AMOUNT is wrong"
     fi
-    echo OK
+    echo "OK"
 
     # Undo database modification
-    echo "UPDATE exchange.recoup_refresh SET amount_val=0 WHERE recoup_refresh_uuid=1" | psql -Aqt $DB
+    echo "UPDATE exchange.recoup_refresh SET amount_val=0 WHERE recoup_refresh_uuid=1" | psql -Aqt "$DB"
 
 }
 
@@ -553,34 +611,35 @@ function test_3() {
 function test_4() {
 
     echo "===========4: invalid recoup==========="
-    echo "DELETE FROM exchange.denomination_revocations;" | psql -Aqt $DB
+    echo "DELETE FROM exchange.denomination_revocations;" | psql -Aqt "$DB"
 
     run_audit
 
     echo -n "Testing inconsistency detection... "
     # Coin spent exceeded coin's value
-    jq -e .bad_sig_losses[0] < test-audit-coins.json > /dev/null || exit_fail "Bad recoup not detected"
-    AMOUNT=`jq -r .irregular_loss < test-audit-coins.json`
-    if test $AMOUNT == "TESTKUDOS:0"
+    jq -e .bad_sig_losses[0] \
+       < test-audit-coins.json \
+       > /dev/null \
+        || exit_fail "Bad recoup not detected"
+    AMOUNT=$(jq -r .irregular_loss < test-audit-coins.json)
+    if [ "$AMOUNT" == "TESTKUDOS:0" ]
     then
         exit_fail "Total bad sig losses are wrong"
     fi
-    TAB=`jq -r .row_inconsistencies[0].table < test-audit-reserves.json`
-    if test $TAB != "recoup"
+    TAB=$(jq -r .row_inconsistencies[0].table < test-audit-reserves.json)
+    if [ "$TAB" != "recoup" ]
     then
         exit_fail "Wrong table for row inconsistency, got $TAB"
     fi
-    echo OK
+    echo "OK"
 
     # Undo database modification (can't easily undo DELETE, so full reload)
     full_reload
-
 }
 
 
 
 
-
 # *************** Main test loop starts here **************
 
 
@@ -588,14 +647,14 @@ function test_4() {
 # Sets $fail to 0 on success, non-zero on failure.
 function check_with_database()
 {
-    BASEDB=$1
+    BASEDB="$1"
     # Configuration file to use
-    CONF=$1.conf
+    CONF="$1.conf"
     echo "Running test suite with database $BASEDB using configuration $CONF"
 
-    MASTER_PRIV_FILE=${BASEDB}.mpriv
-    taler-config -f -c ${CONF} -s exchange-offline -o MASTER_PRIV_FILE -V ${MASTER_PRIV_FILE}
-    MASTER_PUB=`gnunet-ecc -p $MASTER_PRIV_FILE`
+    MASTER_PRIV_FILE="${BASEDB}.mpriv"
+    taler-config -f -c "${CONF}" -s exchange-offline -o MASTER_PRIV_FILE -V "${MASTER_PRIV_FILE}"
+    MASTER_PUB=$(gnunet-ecc -p "$MASTER_PRIV_FILE")
 
     echo "MASTER PUB is ${MASTER_PUB} using file ${MASTER_PRIV_FILE}"
 
@@ -605,14 +664,14 @@ function check_with_database()
     fail=0
     for i in $TESTS
     do
-        test_$i
-        if test 0 != $fail
+        "test_$i"
+        if [ 0 != "$fail" ]
         then
             break
         fi
     done
     # echo "Cleanup (disabled, leaving database $DB behind)"
-    dropdb $DB
+    dropdb "$DB"
 }
 
 
@@ -628,36 +687,49 @@ DB=revoke-basedb
 echo "Testing for jq"
 jq -h > /dev/null || exit_skip "jq required"
 echo "Testing for faketime"
-faketime -h > /dev/null || exit_skip "faketime required"
+faketime -h > /dev/null \
+    || exit_skip "faketime required"
 echo "Testing for libeufin(-cli)"
-libeufin-cli --help >/dev/null 2> /dev/null </dev/null || exit_skip "libeufin required"
+libeufin-cli --help \
+             >/dev/null \
+             2> /dev/null \
+             </dev/null \
+    || exit_skip "libeufin required"
 echo "Testing for pdflatex"
 which pdflatex > /dev/null </dev/null || exit_skip "pdflatex required"
 echo "Testing for taler-wallet-cli"
-taler-wallet-cli -h >/dev/null </dev/null 2>/dev/null || exit_skip "taler-wallet-cli required"
+taler-wallet-cli -h \
+                 >/dev/null \
+                 </dev/null \
+                 2>/dev/null \
+    || exit_skip "taler-wallet-cli required"
 
-echo -n "Testing for Postgres"
+echo -n "Testing for Postgres "
 # Available directly in path?
 INITDB_BIN=$(command -v initdb) || true
-if [[ ! -z "$INITDB_BIN" ]]; then
-  echo " FOUND (in path) at" $INITDB_BIN
+if [[ -n "$INITDB_BIN" ]]; then
+  echo "FOUND (in path) at $INITDB_BIN"
 else
-  HAVE_INITDB=`find /usr -name "initdb" | head -1 2> /dev/null | grep postgres` || exit_skip " MISSING"
-  echo " FOUND at" `dirname $HAVE_INITDB`
-  INITDB_BIN=`echo $HAVE_INITDB | grep bin/initdb | grep postgres | sort -n | tail -n1`
+  HAVE_INITDB=$(find /usr -name "initdb" | head -1 2> /dev/null | grep postgres) || exit_skip " MISSING"
+  echo "FOUND at " "$(dirname "$HAVE_INITDB")"
+  INITDB_BIN=$(echo "$HAVE_INITDB" | grep bin/initdb | grep postgres | sort -n | tail -n1)
 fi
 echo -n "Setting up Postgres DB"
-POSTGRES_PATH=`dirname $INITDB_BIN`
-ORIGIN=`pwd`
-MYDIR=`mktemp -d /tmp/taler-auditor-basedbXXXXXX`
-TMPDIR="${MYDIR}/postgres/"
-mkdir -p $TMPDIR
+POSTGRES_PATH=$(dirname "$INITDB_BIN")
+MY_TMP_DIR=$(mktemp -d /tmp/taler-auditor-basedbXXXXXX)
+TMPDIR="${MY_TMP_DIR}/postgres/"
+mkdir -p "$TMPDIR"
 echo -n "Setting up Postgres DB at $TMPDIR ..."
-$INITDB_BIN --no-sync --auth=trust -D ${TMPDIR} > ${MYDIR}/postgres-dbinit.log 2> ${MYDIR}/postgres-dbinit.err
+"$INITDB_BIN" \
+    --no-sync \
+    --auth=trust \
+    -D "${TMPDIR}" \
+    > "${MY_TMP_DIR}/postgres-dbinit.log" \
+    2> "${MY_TMP_DIR}/postgres-dbinit.err"
 echo " DONE"
-mkdir ${TMPDIR}/sockets
+mkdir "${TMPDIR}/sockets"
 echo -n "Launching Postgres service at $POSTGRES_PATH"
-cat - >> $TMPDIR/postgresql.conf <<EOF
+cat - >> "$TMPDIR/postgresql.conf" <<EOF
 unix_socket_directories='${TMPDIR}/sockets'
 fsync=off
 max_wal_senders=0
@@ -665,23 +737,30 @@ synchronous_commit=off
 wal_level=minimal
 listen_addresses=''
 EOF
-cat $TMPDIR/pg_hba.conf | grep -v host > $TMPDIR/pg_hba.conf.new
-mv $TMPDIR/pg_hba.conf.new  $TMPDIR/pg_hba.conf
-${POSTGRES_PATH}/pg_ctl -D $TMPDIR -l /dev/null start > ${MYDIR}/postgres-start.log 2> ${MYDIR}/postgres-start.err
+grep -v host \
+     < "$TMPDIR/pg_hba.conf" \
+     > "$TMPDIR/pg_hba.conf.new"
+mv "$TMPDIR/pg_hba.conf.new" "$TMPDIR/pg_hba.conf"
+"${POSTGRES_PATH}/pg_ctl" \
+    -D "$TMPDIR" \
+    -l /dev/null \
+    start \
+    > "${MY_TMP_DIR}/postgres-start.log" \
+    2> "${MY_TMP_DIR}/postgres-start.err"
 echo " DONE"
 PGHOST="$TMPDIR/sockets"
 export PGHOST
 
-echo "Generating fresh database at $MYDIR"
-if faketime -f '-1 d' ./generate-revoke-basedb.sh $MYDIR/$DB
+echo "Generating fresh database at $MY_TMP_DIR"
+if faketime -f '-1 d' ./generate-revoke-basedb.sh "$MY_TMP_DIR/$DB"
 then
-    check_with_database $MYDIR/$DB
-    if test x$fail != x0
+    check_with_database "$MY_TMP_DIR/$DB"
+    if [ "x$fail" != "x0" ]
     then
-        exit $fail
+        exit "$fail"
     else
-        echo "Cleaning up $MYDIR..."
-        rm -rf $MYDIR || echo "Removing $MYDIR failed"
+        echo "Cleaning up $MY_TMP_DIR..."
+        rm -rf "$MY_TMP_DIR" || echo "Removing $MY_TMP_DIR failed"
     fi
 else
     echo "Generation failed"
diff --git a/src/auditor/test-sync.sh b/src/auditor/test-sync.sh
index cda25189a..9f1255b7c 100755
--- a/src/auditor/test-sync.sh
+++ b/src/auditor/test-sync.sh
@@ -1,8 +1,7 @@
 #!/bin/bash
-
 #
 #  This file is part of TALER
-#  Copyright (C) 2014-2021 Taler Systems SA
+#  Copyright (C) 2014-2023 Taler Systems SA
 #
 #  TALER is free software; you can redistribute it and/or modify it under the
 #  terms of the GNU General Public License as published by the Free Software
@@ -15,6 +14,7 @@
 #  You should have received a copy of the GNU General Public License along with
 #  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/license>
 #
+# shellcheck disable=SC2317
 
 set -eu
 
@@ -32,13 +32,13 @@ function exit_fail() {
 
 # Cleanup to run whenever we exit
 function cleanup() {
-    if test ! -z "${POSTGRES_PATH:-}"
+    if [ -n "${POSTGRES_PATH:-}" ]
     then
-        ${POSTGRES_PATH}/pg_ctl -D $TMPDIR stop &> /dev/null || true
+        "${POSTGRES_PATH}/pg_ctl" -D "$TMPDIR" stop &> /dev/null || true
     fi
-    for n in `jobs -p`
+    for n in $(jobs -p)
     do
-        kill $n 2> /dev/null || true
+        kill "$n" 2> /dev/null || true
     done
     wait
 }
@@ -59,19 +59,25 @@ function check_with_database()
 
     taler-exchange-dbinit -c test-sync-out.conf
     echo -n "."
-    psql -Aqt talercheck-in -q -1 -f $1.sql >/dev/null || exit_skip "Failed to load database"
+    psql -Aqt talercheck-in \
+         -q -1 \
+         -f "$1.sql" \
+         >/dev/null \
+        || exit_skip "Failed to load database"
 
     echo -n "."
-    taler-auditor-sync -s test-sync-in.conf -d test-sync-out.conf -t
+    taler-auditor-sync \
+        -s test-sync-in.conf \
+        -d test-sync-out.conf -t
 
     # cs_nonce_locks excluded: no point
     for table in denominations denomination_revocations wire_targets reserves reserves_in reserves_close reserves_out auditors auditor_denom_sigs exchange_sign_keys signkey_revocations extensions policy_details policy_fulfillments known_coins refresh_commitments refresh_revealed_coins refresh_transfer_keys deposits refunds wire_out aggregation_tracking wire_fee recoup recoup_refresh
     do
         echo -n "."
-        CIN=`echo "SELECT COUNT(*) FROM exchange.$table" | psql talercheck-in -Aqt`
-        COUT=`echo "SELECT COUNT(*) FROM exchange.$table" | psql talercheck-out -Aqt`
+        CIN=$(echo "SELECT COUNT(*) FROM exchange.$table" | psql talercheck-in -Aqt)
+        COUT=$(echo "SELECT COUNT(*) FROM exchange.$table" | psql talercheck-out -Aqt)
 
-        if test ${CIN} != ${COUT}
+        if [ "${CIN}" != "${COUT}" ]
         then
             dropdb talercheck-in
             dropdb talercheck-out
@@ -88,14 +94,6 @@ function check_with_database()
     fail=0
 }
 
-
-
-# Postgres database to use
-DB=auditor-basedb
-
-# Configuration file to use
-CONF=${DB}.conf
-
 # test required commands exist
 echo "Testing for jq"
 jq -h > /dev/null || exit_skip "jq required"
@@ -111,23 +109,25 @@ taler-wallet-cli -h >/dev/null </dev/null 2>/dev/null || exit_skip "taler-wallet
 echo -n "Testing for Postgres"
 # Available directly in path?
 INITDB_BIN=$(command -v initdb) || true
-if [[ ! -z "$INITDB_BIN" ]]; then
-  echo " FOUND (in path) at" $INITDB_BIN
+if [[ -n "$INITDB_BIN" ]]; then
+  echo " FOUND (in path) at $INITDB_BIN"
 else
-  HAVE_INITDB=`find /usr -name "initdb" | head -1 2> /dev/null | grep postgres` || exit_skip " MISSING"
-  echo " FOUND at" `dirname $HAVE_INITDB`
-  INITDB_BIN=`echo $HAVE_INITDB | grep bin/initdb | grep postgres | sort -n | tail -n1`
+  HAVE_INITDB=$(find /usr -name "initdb" | head -1 2> /dev/null | grep postgres) || exit_skip " MISSING"
+  echo " FOUND at " "$(dirname "$HAVE_INITDB")"
+  INITDB_BIN=$(echo "$HAVE_INITDB" | grep bin/initdb | grep postgres | sort -n | tail -n1)
 fi
 echo -n "Setting up Postgres DB"
-POSTGRES_PATH=`dirname $INITDB_BIN`
-MYDIR=`mktemp -d /tmp/taler-auditor-basedbXXXXXX`
+POSTGRES_PATH=$(dirname "$INITDB_BIN")
+MYDIR=$(mktemp -d /tmp/taler-auditor-basedbXXXXXX)
 TMPDIR="$MYDIR/postgres/"
-mkdir -p $TMPDIR
-$INITDB_BIN --no-sync --auth=trust -D ${TMPDIR} > ${MYDIR}/postgres-dbinit.log 2> ${MYDIR}/postgres-dbinit.err
+mkdir -p "$TMPDIR"
+"$INITDB_BIN" --no-sync --auth=trust -D "${TMPDIR}" \
+            > "${MYDIR}/postgres-dbinit.log" \
+            2> "${MYDIR}/postgres-dbinit.err"
 echo " DONE"
-mkdir ${TMPDIR}/sockets
+mkdir "${TMPDIR}/sockets"
 echo -n "Launching Postgres service"
-cat - >> $TMPDIR/postgresql.conf <<EOF
+cat - >> "$TMPDIR/postgresql.conf" <<EOF
 unix_socket_directories='${TMPDIR}/sockets'
 fsync=off
 max_wal_senders=0
@@ -135,23 +135,30 @@ synchronous_commit=off
 wal_level=minimal
 listen_addresses=''
 EOF
-cat $TMPDIR/pg_hba.conf | grep -v host > $TMPDIR/pg_hba.conf.new
-mv $TMPDIR/pg_hba.conf.new  $TMPDIR/pg_hba.conf
-${POSTGRES_PATH}/pg_ctl -D $TMPDIR -l /dev/null start > ${MYDIR}/postgres-start.log 2> ${MYDIR}/postgres-start.err
+grep -v host \
+     < "$TMPDIR/pg_hba.conf" \
+     > "$TMPDIR/pg_hba.conf.new"
+mv "$TMPDIR/pg_hba.conf.new" "$TMPDIR/pg_hba.conf"
+"${POSTGRES_PATH}/pg_ctl" \
+    -D "$TMPDIR" \
+    -l /dev/null \
+    start \
+    > "${MYDIR}/postgres-start.log" \
+    2> "${MYDIR}/postgres-start.err"
 echo " DONE"
 PGHOST="$TMPDIR/sockets"
 export PGHOST
 
 echo "Generating fresh database at $MYDIR"
-if faketime -f '-1 d' ./generate-auditor-basedb.sh $MYDIR/auditor-basedb
+if faketime -f '-1 d' ./generate-auditor-basedb.sh -d "$MYDIR/auditor-basedb"
 then
-    check_with_database $MYDIR/auditor-basedb
-    if test x$fail != x0
+    check_with_database "$MYDIR/auditor-basedb"
+    if [ x$fail != x0 ]
     then
-        exit $fail
+        exit "$fail"
     else
         echo "Cleaning up $MYDIR..."
-        rm -rf $MYDIR || echo "Removing $MYDIR failed"
+        rm -rf "$MYDIR" || echo "Removing $MYDIR failed"
     fi
 else
     echo "Generation failed"
diff --git a/src/exchange/taler-exchange-aggregator.c b/src/exchange/taler-exchange-aggregator.c
index df953ce34..0b2a7dad6 100644
--- a/src/exchange/taler-exchange-aggregator.c
+++ b/src/exchange/taler-exchange-aggregator.c
@@ -499,6 +499,8 @@ kyc_satisfied (struct AggregationUnit *au_active)
   char *requirement;
   enum GNUNET_DB_QueryStatus qs;
 
+  if (kyc_off)
+    return true;
   qs = TALER_KYCLOGIC_kyc_test_required (
     TALER_KYCLOGIC_KYC_TRIGGER_DEPOSIT,
     &au_active->h_payto,