user data for installing original zcash client

user_data.sh

#!/bin/bash

apt-get update
apt-get upgrade -y

# SSH Key Auth
USERNAME=dorje
SSHKEY="ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDHcfdQt2xu0iaa4/rzmyBsCiYqo/T2MHMBp5eJLJrrlwqSz/PqfxsxwRxYKn/wq21waaki7PRUgvxUFiphgo1rRUCNCDl4/X9VgMJeyrGwReqJXYexY7KERLaBhjCPnKwO3278cGibwyNmI7+sUN5fuiiesOrVijqIqarPEY5K3JOs7bcJ1ljRbk7rJ6uCF8GxpEcga/lM5Gb3x6HhvwlWK9/vY83EvFS2/ce1fzE6Noo35vSWj8PCw9Ihg8B/dGN3eTBeP3plpxMFokxVKJMdXw3yS7bsQlTmaPgF1KR43FeqXVbFNoeX/gYFaFqzfQUn6EThC4Cm0EQjtxEebJu5 dorje@Dukes-MBP"

useradd -m -s /bin/bash $USERNAME
mkdir /home/$USERNAME/.ssh
echo $SSHKEY > /home/$USERNAME/.ssh/authorized_keys
chown -R $USERNAME:$USERNAME /home/$USERNAME/.ssh
chmod 600 /home/$USERNAME/.ssh/authorized_keys

# Passwordless Sudo
echo "%sudo ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/91-nopasswd
usermod -a -G sudo $USERNAME

# ZCash
apt-get install -y \
      build-essential pkg-config libc6-dev m4 g++-multilib \
      autoconf libtool ncurses-dev unzip git python \
      zlib1g-dev wget bsdmainutils automake

git clone https://github.com/zcash/zcash.git /srv/zcash
chown -R $USERNAME:$USERNAME /srv/zcash

cd /srv/zcash/
git checkout v1.0.0-beta2
sudo -u $USERNAME ./zcutil/fetch-params.sh
sudo -u $USERNAME ./zcutil/build.sh -j$(nproc)

sudo -u $USERNAME mkdir ~/.zcash
sudo -u $USERNAME touch ~/.zcash/zcash.conf
cat << EOF > /home/$USERNAME/.zcash/zcash.conf
testnet=1
addnode=betatestnet.z.cash
rpcuser=username
rpcpassword=password
gen=1
EOF
sudo -u $USERNAME ./src/zcashd -daemon