algokey-gen.sh

gen.sh

#!/bin/bash

# Author: @D13_co
# Context: https://d13.co/posts/redundant-participation-nodes-on-algorand/

set -e

# first argument: address
address=$1 

# second argument: duration in rounds, defaults to 650K
duration=$2 
duration=${duration:-650000}

if [ "$address" == "" ]; then
	echo "Usage: $0 <address> [<duration>]"
	echo "address is mandatory. duration is optional"
	exit 1
fi

# try to run goal node status and fail if it errors
if ! (algorun goal node status > /dev/null 2>&1 || goal node status  > /dev/null 2>&1) then
	echo "Failed to run: [algorun] goal node status"
	echo "Please check that you are able to run this command and try again."
	exit 2
fi

start=$((algorun goal node status 2> /dev/null || goal node status) | grep "Last committed block" | awk '{print $4}')
echo Current round: $start

# Start round is +10 from current round
start=$((start + 10))

echo "Start round: $start (+10)"

# End round calculation
end=$((start + duration))
echo "End round: $end (+$duration)"

# Dilution is square root of duration
# Using awk for portability
sqrt=`awk "BEGIN {printf \"%.0f\", sqrt($duration)}"`
echo "Dilution (sqrt(end-start)): $sqrt"

echo Execute this command to generate your key:
echo ""

echo "algokey part generate --parent $address --first $start --last $end --dilution $sqrt --keyfile $address-$start-$end.partkey"