sync

syncup.sh

#!/bin/bash

#source profile with GO path etc
. /etc/profile.d/regen.sh

x=1
limit=${1:-100}
while [ $x -le $limit ]
do
    UPSTREAM_BLOCKS=$(curl -s http://161.35.51.84:26657/consensus_state | jq -r '.result.round_state."height/round/step"' | cut -d'/' -f1)
    LOCAL_BLOCKS=$(regen status |& jq -r '.SyncInfo.latest_block_height')
    PREV=${BEHIND:-$(($UPSTREAM_BLOCKS-$LOCAL_BLOCKS))}
    BEHIND=$(($UPSTREAM_BLOCKS-$LOCAL_BLOCKS))
    echo "$UPSTREAM_BLOCKS vs $LOCAL_BLOCKS behind by: $BEHIND"
    x=$(( $x+1 ))
    if [[ $BEHIND -le 2 ]] 
    then
        echo "All caught up, if you're jailed, run:"
        echo "regen tx slashing unjail --from $REGEN_KEY --gas auto -y --fees=4000utree --chain-id aplikigo-1"
        echo "If needed, edit --from, --chain-id, and --node"
        exit
    else
        PREV_SL=${SLEEPSEC:-300}
        SLEEPSEC=$(( $BEHIND*10 ))
        SLEEPSEC=$(( $SLEEPSEC<300 ? $SLEEPSEC : 300 ))
        RATE=$(((3600/PREV_SL)*(PREV-BEHIND)))
        echo "$(date +%T) - sleeping for $SLEEPSEC @  $RATE blocks/hr"
        sleep $SLEEPSEC`
    fi
    
done

nifty! Just have to make sure I set REGEN_KEY before running. I would also make the chain-id a variable, since this could be useful on other chains. And, thinking of that, I would change from REGEN_KEY to VALIDATOR_KEY -- this way it's more generic for use by other Cosmos SDK apps.