#!/bin/bash

export HOME="/var/lib/bitcoin"

# gen random pw for rpc server
DEFAULTPW=$(dd if=/dev/urandom bs=10 count=1 status=none | shasum | cut -b 1-20)

if [ ! -e "$HOME/bitcoin.conf" ]; then

    echo "creating bitcoin.conf"

    cat <<EOF > $HOME/bitcoin.conf
rpcuser=${BITCOIND_RPC_USER:-rpcuser}
rpcpassword=${BITCOIND_RPC_PASSWORD:-$DEFAULTPW}
EOF

fi

chown -R bitcoin:bitcoin $HOME
exec chpst -ubitcoin \
    bitcoind \
        -printtoconsole \
        -disablewallet \
        -datadir $HOME \
        -conf $HOME/bitcoin.conf \
        -rpcallowip=::/0 \
        $BITCOIND_EXTRA_OPTS \
        2>&1