fix: dog behaviour + ntp synchronization

.gitignore

@@ -6,4 +6,5 @@ benchmark/output/output-*
 benchmark/output/*.html
 benchmark/config/*
 !benchmark/config/README.md
+!benchmark/config/ntp.conf
 target

benchmark/config/ntp.conf

@@ -0,0 +1,20 @@
+driftfile /var/lib/ntpsec/ntp.drift
+logfile /var/log/ntp.log
+
+restrict    default ignore
+restrict -6 default ignore
+
+restrict    127.0.0.1
+restrict -6 ::1
+
+server ntp1.hetzner.de iburst
+restrict    213.239.239.164 nomodify notrap nopeer noquery
+restrict -6 2a01:4f8:0:a0a1::2:1 nomodify notrap nopeer noquery
+
+server ntp2.hetzner.de iburst
+restrict    213.239.239.165 nomodify notrap nopeer noquery
+restrict -6 2a01:4f8:0:a101::2:3 nomodify notrap nopeer noquery
+
+server ntp3.hetzner.de iburst
+restrict    213.239.239.166 nomodify notrap nopeer noquery
+restrict -6 2a01:4f8:0:a112::2:2 nomodify notrap nopeer noquery

benchmark/playbooks/init.yml

@@ -54,3 +54,37 @@
         name: bob
         groups: docker
         append: true
+
+    - name: Install NTP and utils
+      apt:
+        name: "{{ item }}"
+        state: present
+      with_items:
+        - ntp
+        - util-linux-extra
+        - sntp
+
+    - name: Upload NTP configuration
+      copy:
+        src: "{{ playbook_dir }}/../config/ntp.conf"
+        dest: /etc/ntpsec/ntp.conf
+        owner: root
+        group: root
+        mode: 0644
+
+    - name: Stop NTP service
+      service:
+        name: ntp
+        state: stopped
+
+    - name: Synchronize manually
+      command: sntp ntp1.hetzner.de
+
+    - name: Enable and restart NTP service
+      service:
+        name: ntp
+        enabled: true
+        state: restarted
+
+    - name: Update hardware clock
+      command: hwclock --systohc

dog/src/behaviour.rs

@@ -379,7 +379,7 @@ where
             raw_transaction.from,
             self.connected_peers
                 .keys()
-                .filter(|&peer| peer != propagation_source)
+                .filter(|&peer| peer != propagation_source && peer != &raw_transaction.from)
                 .cloned()
                 .collect::<Vec<_>>(),
         );