install_monero_wallet.sh

#!/bin/bash

if [[ -d "./monero-gui-wallet" ]]; then
	echo "It appears you already have the wallet downloaded."

	while true; do
	read -p "Would you like to reinstall it? (y/n) " yn

	case $yn in 
		y ) echo "Reinstalling monero wallet.";
			rm -rf ./monero-gui-wallet/
			break;;
		n ) echo "Exiting.";
			exit 0;;
		* ) echo "Error: Invalid response, type y or n.";
	esac
	done
fi


sudo apt-get update

# Install gpg if needed
if ! command -v gpg &>/dev/null; then
	echo "gpg is not installed. Installing..."
	sudo apt-get install gpg -y
else
	echo "gpg is already installed, continuing..."
fi

# Install bzip2 if needed
if ! command -v bzip2 &>/dev/null; then
	echo "bzip2 is not installed. Installing..."
	sudo apt-get install bzip2 -y
else
	echo "bzip2 is already installed, continuing..."
fi

# Start process of downloading monero wallet
MONERO_HASHES_DL=https://www.getmonero.org/downloads/hashes.txt
MONERO_WALLET_DL=https://downloads.getmonero.org/gui/linux64

#Verify PGP of monero_hashes.txt
wget https://www.getmonero.org/downloads/hashes.txt -O monero_hashes.txt

gpg --import binaryfate.asc >/dev/null 2>&1
gpg --verify monero_hashes.txt >/dev/null 2>&1

# Determine if the exit code of gpg is a success
if [[ $? -eq 0 ]]; then
	echo "SUCCESS: Vaid PGP for monero wallet hashes. Continuing..."
else
	echo "FAILURE: Invalid PGP for monero wallet hashes. Exiting."
	exit 1
fi

# Extract desired wallet hash from monero_hashes.txt file
MONERO_WALLET_HASH=$(grep "monero-gui-linux-x64-" "monero_hashes.txt" | cut -d' ' -f1)
rm monero_hashes.txt

# Download monero wallet
wget https://downloads.getmonero.org/gui/linux64 -O monero-gui-linux64.tar.bz2

# Verify file hash of the monero wallet
computed_hash=$(sha256sum monero-gui-linux64.tar.bz2 | awk '{print $1}')

echo "Monero wallet computed hash: $computed_hash"

if [[ "$computed_hash" = "$MONERO_WALLET_HASH" ]]; then
	echo "SUCCESS: Monero wallet hash verification successful. The file is intact and has not been tampered with."
else
	echo "FAILURE: Monero wallet hash verification failed. The file may be corrupted or tampered with."
	exit 1
fi

# Extract the monero wallet file
echo "Extracting monero wallet..."
mkdir monero-gui-wallet
tar -xjf monero-gui-linux64.tar.bz2 -C ./monero-gui-wallet