Update your Nym Binaries

upgrade_binaries.sh

#!/bin/bash
set -x

if [[ $EUID -ne 0 ]]; then
   echo "you need to root :)" 
   exit 1
fi


read -rp "enter the service file to stop (e.g., nym-mixnode.service): " SERVICE_NAME

read -rp "supply the release branch for the component (e.g., 2023.4-galaxy): " RELEASE_BRANCH

read -rp "please supply the full path to your existing running location of the binary (e.g., /home/nym/): " EXISTING_PATH

read -rp "supply the NYM component you want to update (e.g., nym-mixnode, nym-gateway): " COMPONENT_NAME

GET_CURRENT_VERSION=$("$EXISTING_PATH/$COMPONENT_NAME" --version | grep 'Build Version' | awk '{print $3}')

COMPONENT_URL="https://github.com/nymtech/nym/releases/download/nym-binaries-v$RELEASE_BRANCH/$COMPONENT_NAME"

if ! curl --output /dev/null --silent --head --fail "$COMPONENT_URL"; then
    echo "url does not exist :( $COMPONENT_URL"
    exit 1
fi

if systemctl is-active --quiet "$SERVICE_NAME"; then
    echo "stopping service: $SERVICE_NAME"
    sleep 2 
    sudo systemctl stop "$SERVICE_NAME"
else
    echo "service $SERVICE_NAME is not running."
fi

EXISTING_BINARY="$EXISTING_PATH/$COMPONENT_NAME"
BACKUP_BINARY="$EXISTING_BINARY-$(date '+%Y-%m-%d-%H-%M-%S')"

if [[ -f $EXISTING_BINARY ]]; then
    echo "backing up existing binary - $BACKUP_BINARY"
    cp "$EXISTING_BINARY" "$BACKUP_BINARY"
    rm -f "$EXISTING_BINARY"
else
    echo "no existing binary found to backup."
fi

echo "getching latest binary from $COMPONENT_URL"
curl -L -o "$COMPONENT_NAME" "$COMPONENT_URL"

if [[ ! -f $COMPONENT_NAME ]]; then
    echo "Failed to download the binary."
    exit 1
fi

echo "download successful."

echo "execute permissions on the new binary."
chmod 755 "$COMPONENT_NAME"

#get version 
NEW_VERSION=$(./"$COMPONENT_NAME" --version | grep 'Build Version' | awk '{print $3}')
NYM_HOME=$(getent passwd $(whoami) | cut -d: -f6)

case $COMPONENT_NAME in
    nym-mixnode)
        sed -i "s/version = '$GET_CURRENT_VERSION'/version = '$NEW_VERSION'/" $NYM_HOME/.nym/mixnodes/*/config/config.toml
        ;;
    nym-gateway)
        sed -i "s/version = '$GET_CURRENT_VERSION'/version = '$NEW_VERSION'/" $NYM_HOME/.nym/gateways/*/config/config.toml
        ;;
    nym-network-requester)
        sed -i "s/version = '$GET_CURRENT_VERSION'/version = '$NEW_VERSION'/" $NYM_HOME/.nym/service-providers/network-requester/*/config/config.toml
        ;;
    *)
        echo "invalid component name. try following: nym-mixnode, nym-gateway, nym-network-requester."
        ;;
esac

read -rp "input the path to move the new binary (e.g., /home/nym/): " EXECUTABLE_BINARY_PATH
mv "$COMPONENT_NAME" "$EXECUTABLE_BINARY_PATH"

if [[ ! -f "$EXECUTABLE_BINARY_PATH/$COMPONENT_NAME" ]]; then
    echo "failed to move the binary to $EXECUTABLE_BINARY_PATH."
    exit 1
fi

echo "starting service $SERVICE_NAME"
sudo systemctl start "$SERVICE_NAME"
echo "update process complete."

exit 0;

Do you want to add the comments about what the script does right into it as comments? I can do it as well, I have the notes from you.