#!/bin/bash

#    tag.sh - script to automate the checkpointing and packaging process 
#    Copyright (C) 2020 wowario
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
#
# install jq (brew install jq | apt-get install jq)
# for mac, intall gnu sed with: brew install gnu-sed
# and echo 'export PATH="/usr/local/opt/gnu-sed/libexec/gnubin:$PATH"' >> ~/.bashrc
# run wownerod --detach and sync up before running script

# set parameter as version
version=$1

# error out if version not set
if [ $# -eq 0 ]; then
	echo "include version as a parameter (./tag.sh 0.8.0.2)"
	exit 1
fi

# OS check
if [[ "$OSTYPE" == "linux-gnu"* ]]; then
	wowdir=/home/ubuntu/wownero
	platform=Linux_v
	usrdir=/home/ubuntu
	wowdir=/home/ubuntu/wownero
	release=release-static-linux-x86_64
elif [[ "$OSTYPE" == "darwin"* ]]; then
	platform=macOS_v
	usrdir=/Users/administrator
	wowdir=/Users/administrator/gits/wownero
	release=release-static-mac-x86_64
else
	echo "Unknown OS"
fi

# echo version to tag
echo "Building tagged version: wownero_$platform$version"

# logging
exec > >(tee -i $usrdir/logs/tag.log)
exec 2>&1

# update repo
echo "Updating repo"
cd $wowdir
rm -rf build
git checkout .
git fetch --all
git pull

# checkpoint
cd $usrdir/utilities/
./wownerod status
echo "Checkpointing"
height=$(curl -s http://127.0.0.1:34568/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"get_info"}' -H 'Content-Type: application/json' | jq -r '.result.height')
echo "Starting height: $height"
declare -i value
value=$height-60
echo "Roll back 60 blocks. New height: $value"
sha1=$(sha256sum $wowdir/src/blocks/checkpoints.dat | awk '{print $1}')
echo "Old SHA-256: $sha1"
rm -rf $wowdir/src/blocks/checkpoints.dat
./wownero-blockchain-export --blocksdat --block-stop $value --output-file $wowdir/src/blocks/checkpoints.dat &
sleep 20s
sha2=$(sha256sum $wowdir/src/blocks/checkpoints.dat | awk '{print $1}')
echo "New SHA-256: $sha2"
cd $wowdir/src/cryptonote_core/
sed -i "s/$sha1/$sha2/g" blockchain.cpp
cd $wowdir
git status
git diff

# build Wownero
echo "Building Wownero"
USE_SINGLE_BUILDDIR=1 make -j3 $release > /dev/null 2>&1

# archive binaries
echo "taring the binaries"
cd $wowdir/build/release/bin
tar -cvjSf wownero_$platform$version.tar.bz2 *
sha256sum $wowdir/build/release/bin/wownero_$platform$version.tar.bz2

# copy archive file to release folder
echo -e "\e[42mmoving tar file to release folder"
mv $wowdir/build/release/bin/wownero_$platform$version.tar.bz2 $usrdir/release/wownero_$platform$version.tar.bz2
sha256sum $usrdir/release/wownero_$platform$version.tar.bz2
echo "done!"