#!/bin/bash

# restart_node_number.sh -- v0.0.1 -- moocowmoo
# restart a numbered masternode
# - depends on:
#   .ssh/config entries (drk-1, drk-2, etc.)
#   confs and wallets named:
#    darkcoin.conf.hd-0p-0-$N
#    wallet.dat.hd-0p-0-$N
#   where $N is an integer
#
# usage: ./restart_node_number.sh 1 [walletpassphrase]
#
# I do this with environment variables as:
# $  export P='mywalletpassphrase'
# (note the extra space at the beginning, keeps entry out of history)
# $ ./restart_node_number.sh 1 $P

case $1 in
    ''|*[!0-9]*) echo usage $0 node_number; exit ;;
    *) ;;
esac

echo "stopping local daemon"
darkcoind stop 2>/dev/null;
echo "waiting 2 seconds for daemon to shutdown"
sleep 2;

N=$1;
P=$2;

rm darkcoin.conf wallet.dat ;
ln -s darkcoin.conf.hd-0p-0-$N darkcoin.conf ;
ln -s wallet.dat.hd-0p-0-$N wallet.dat ;

echo "starting local daemon"
darkcoind &
echo "waiting 10 seconds for daemon to initialize..."
sleep 10;

BALANCE=$(darkcoind getbalance);

if [ "$BALANCE" \< 1000 ] ; then
        echo masternode address has insufficient funds. $BALANCE DRK. exiting;
        exit;
fi

echo "local wallet balance checks out: $BALANCE"


# get wallet passphrase if not supplied

if [ -z "$P" ] ; then
        read -s -p 'enter wallet password: ' P
        echo;
fi

# check wallet passphrase before embarking

SUCCESS=$(darkcoind walletpassphrase $P 60 2>&1 );

if [[ $SUCCESS =~ 'Error' ]] ; then
        echo invalid password. exiting.
        exit;
fi

echo "local wallet password checks out"

echo "shutting down remote daemon"

ssh drk-$N 'darkcoind stop;'

echo "waiting 5 seconds for daemon to shutdown..."
sleep 5;

echo "starting remote daemon"
ssh drk-$N 'darkcoind </dev/null >/dev/null 2>&1 &'

echo "waiting 5 seconds for daemon to startup..."
sleep 5;

SUCCESS=$(darkcoind masternode start $P 2>&1 );

echo $SUCCESS;