# Timer for dchain-update.service — fires hourly with a random 15-minute jitter.
#
# Why the jitter: if every operator on the same network runs `OnCalendar=hourly`
# at :00:00, the whole federation restarts its nodes in the same minute and
# PBFT quorum drops below 2/3. With a random delay spread across 15 minutes
# each node updates at a slightly different time, so at any instant the vast
# majority of validators remain live.
#
# Persistent=true means if the machine was asleep/off at fire time, the timer
# catches up on next boot instead of silently skipping.

[Unit]
Description=Run DChain node update hourly
Requires=dchain-update.service

[Timer]
OnBootSec=10min
OnUnitActiveSec=1h
RandomizedDelaySec=15min
Persistent=true
Unit=dchain-update.service

[Install]
WantedBy=timers.target