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#!/bin/sh
# $FreeBSD$
# PROVIDE: lightningd
# REQUIRE: LOGIN bitcoind cleanvar
# KEYWORD: shutdown
# Add the following to %%LOCALBASE%%/etc/rc.conf.d/lightningd to influence
# the behavior of this script (default values are listed):
#
# lightningd_enable="NO" # change to "YES" to enable
# lightningd_user="%%U%%"
# lightningd_group="%%G%%"
# lightningd_base_dir="%%LIGHTNINGD_BASE_DIR%%"
# lightningd_network="bitcoin"
# lightningd_conf="%%PREFIX%%/etc/lightningd-${lightningd_network}.conf"
# lightningd_extra_args="" # See lightningd --help
. /etc/rc.subr
name="lightningd"
rcvar=lightningd_enable
load_rc_config ${name}
: ${lightningd_enable:="NO"}
: ${lightningd_user:="%%U%%"}
: ${lightningd_group:="%%G%%"}
: ${lightningd_base_dir:="%%LIGHTNINGD_BASE_DIR%%"}
: ${lightningd_network:="bitcoin"}
: ${lightningd_conf:="%%PREFIX%%/etc/${name}-${lightningd_network}.conf"}
start_precmd="lightningd_start_precmd"
pidfile="${lightningd_base_dir}/lightningd-${lightningd_network}.pid"
command="%%PREFIX%%/bin/lightningd"
command_args=""
command_args="${command_args} --lightning-dir=${lightningd_base_dir}"
command_args="${command_args} --network=${lightningd_network}"
command_args="${command_args} --daemon"
# service(8) would execute us with LOCALBASE stripped out from PATH,
# thus specify the full path to bitcoin-cli.
command_args="${command_args} --bitcoin-cli=%%LOCALBASE%%/bin/bitcoin-cli"
# bitcoin-cli(1) tries to create its "datadir" (by default ${HOME}/.bitcoin)
# if it does not exist. Provide something that already exists to avoid the
# creation of unnecessary empty directories.
command_args="${command_args} --bitcoin-datadir=${lightningd_base_dir}"
if [ -e "${lightningd_conf}" ] ; then
command_args="${command_args} --conf=${lightningd_conf}"
fi
command_args="${command_args} ${lightningd_extra_args}"
check_bitcoind_ready()
{
bitcoin-cli \
-rpcconnect=${bitcoin_addr}${bitcoin_port:+":"}${bitcoin_port} \
-rpcuser=${bitcoin_user} \
-stdinrpcpass \
echo itworks <<PASS
${bitcoin_pass}
PASS
}
lightningd_start_precmd()
{
# Wait for bitcoind to be fully operational. lightningd would quit (refuse
# to start) if it can't talk to bitcoind via its RPC.
bitcoin_addr="`grep ^bitcoin-rpcconnect= "${lightningd_conf}" |cut -f 2- -d =`"
bitcoin_port="`grep ^bitcoin-rpcport= "${lightningd_conf}" |cut -f 2- -d =`"
bitcoin_user="`grep ^bitcoin-rpcuser= "${lightningd_conf}" |cut -f 2- -d =`"
bitcoin_pass="`grep ^bitcoin-rpcpassword= "${lightningd_conf}" |cut -f 2- -d =`"
i=20
while : ; do
if [ $i -eq 0 ] ; then
# Show errors from last attempt.
if ! check_bitcoind_ready ; then
echo "Failed: bitcoind did not start serving RPC, starting lightningd anyway"
fi
break
else
if check_bitcoind_ready > /dev/null 2>&1; then
break
fi
fi
echo "Waiting for bitcoind to start serving RPC, lightningd cannot start without it $i"
sleep 1
i=$((i - 1))
done
}
run_rc_command "$1"
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