#!/bin/sh

DOWNLOAD_BASE_URL=https://downloads.getmonero.org/cli/

case $(uname -m) in
    x86_64) ARCH=x64 ;;
    i?86) ARCH=x86 ;;
    aarch64) ARCH=armv8 ;;
    arm*) ARCH=armv7 ;;
    *) exit 9 ;;
esac

mkdir -p /downloads
cd /downloads
wget https://www.getmonero.org/downloads/hashes.txt
wget https://raw.githubusercontent.com/monero-project/monero/master/utils/gpg_keys/binaryfate.asc
filename=$(awk "/ monero-linux-${ARCH}-v/{print \$2;exit}" < hashes.txt)
[ -e ${filename} ] || wget "${DOWNLOAD_BASE_URL}${filename}"
grep "${filename}" hashes.txt > "${filename}.sha256"
sha256sum -c "${filename}.sha256" || exit 1
gpg --keyid-format long --with-fingerprint binaryfate.asc | grep "^uid.*<binaryfate@getmonero.org>" || exit 2
gpg --import binaryfate.asc
gpg --verify hashes.txt || exit 3
tar axvf "${filename}" >contents.txt
dname=$(sort <contents.txt | head -n1)
mv "${dname}" /monero
cd /
rm -rf /downloads