#!/bin/sh
# This script launches ETH1 clients for Rocket Pool's docker stack; only edit if you know what you're doing ;)


prep_term()
{
    unset term_child_pid
    unset term_kill_needed
    trap 'handle_term' TERM INT
}

handle_term()
{
    if [ "${term_child_pid}" ]; then
        kill -TERM "${term_child_pid}" 2>/dev/null
    else
        term_kill_needed="yes"
    fi
}

wait_term()
{
    term_child_pid=$!
    if [ "${term_kill_needed}" ]; then
        kill -TERM "${term_child_pid}" 2>/dev/null 
    fi
    wait ${term_child_pid} 2>/dev/null
    trap - TERM INT
    wait ${term_child_pid} 2>/dev/null
}


# Geth startup
if [ "$CLIENT" = "geth" ]; then

    CMD="exec /usr/local/bin/geth --goerli --datadir /ethclient/geth \
                                  --metrics --metrics.addr 0.0.0.0 --metrics.port 6060 --pprof.addr 0.0.0.0"

    if [ ! -z "$ETHSTATS_LABEL" ] && [ ! -z "$ETHSTATS_LOGIN" ]; then
        CMD="$CMD --ethstats $ETHSTATS_LABEL:$ETHSTATS_LOGIN"
    fi

    prep_term
    eval "$CMD" &
    wait_term

fi


# Infura startup
if [ "$CLIENT" = "infura" ]; then

    exec /go/bin/rocketpool-pow-proxy --port 8545 --network goerli --projectId $INFURA_PROJECT_ID

fi


# Custom provider startup
if [ "$CLIENT" = "custom" ]; then

    exec /go/bin/rocketpool-pow-proxy --port 8545 --providerUrl $PROVIDER_URL

fi