#!/usr/bin/env bash
set -e

if [ "$(whoami)" != "root" ]; then
  echo -e "This script has to be run as \033[1mroot\033[0m user"
  exit 3
fi

echo "Activating geth (Ethereum server wallet)..."

export LOG_FILE=/tmp/install.log

SEEDS_DIR=$HOME/seeds
SEED_FILE=$SEEDS_DIR/seed.txt
SEED=$(cat $SEED_FILE)
PASS_FILE=$SEEDS_DIR/geth.txt
hkdf geth-pw $SEED > $PASS_FILE
ACCOUNT_STR=$(geth --password $PASS_FILE account new)
ACCOUNT=$(echo $ACCOUNT_STR | grep -o '{.*}' | tr -d '{}')

ufw allow 30303/tcp >> $LOG_FILE 2>&1 # Ethereum

SCRIPTS_DIR=$HOME/scripts
mkdir -p $SCRIPTS_DIR
GETH_SCRIPT=$SCRIPTS_DIR/geth.sh

# NOTE: We need to combine stderr with stdout because geth prints info to stderr
echo "geth --fast --rpc --unlock $ACCOUNT --password $PASS_FILE 2>&1" > $GETH_SCRIPT

chmod 755 $GETH_SCRIPT
pm2 start $GETH_SCRIPT >> $LOG_FILE 2>&1
pm2 save >> $LOG_FILE 2>&1

echo "Success. Your main account is 0x$ACCOUNT."