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#!/bin/sh
## Short script to startup some local nodes with
## bitcoind, all running on regtest
## Makes it easier to test things out, by hand.
## Should be called by source since it sets aliases
##
## First load this file up.
##
## $ source contrib/startup_regtest.sh
##
## Start up the nodeset
##
## $ start_ln 3
##
## Let's connect the nodes.
##
## $ l2-cli getinfo | jq .id
## "02b96b03e42d9126cb5228752c575c628ad09bdb7a138ec5142bbca21e244ddceb"
## $ l2-cli getinfo | jq .binding[0].port
## 9090
## $ l1-cli connect 02b96b03e42d9126cb5228752c575c628ad09bdb7a138ec5142bbca21e244ddceb@localhost:9090
## {
## "id" : "030b02fc3d043d2d47ae25a9306d98d2abb7fc9bee824e68b8ce75d6d8f09d5eb7"
## }
##
## When you're finished, clean up or stop
##
## $ stop_ln # stops the services, keeps the aliases
##
# Do the Right Thing if we're currently in top of srcdir.
if [ -z "$PATH_TO_LIGHTNING" ] && [ -x cli/lightning-cli ] && [ -x lightningd/lightningd ]; then
PATH_TO_LIGHTNING=$(pwd)
fi
if [ -z "$PATH_TO_LIGHTNING" ]; then
# Already installed maybe? Prints
# shellcheck disable=SC2039
type lightning-cli || return
# shellcheck disable=SC2039
type lightningd || return
LCLI=lightning-cli
LIGHTNINGD=lightningd
else
LCLI="$PATH_TO_LIGHTNING"/cli/lightning-cli
LIGHTNINGD="$PATH_TO_LIGHTNING"/lightningd/lightningd
# This mirrors "type" output above.
echo lightning-cli is "$LCLI"
echo lightningd is "$LIGHTNINGD"
fi
if [ -z "$PATH_TO_BITCOIN" ]; then
if [ -d "$HOME/.bitcoin" ]; then
PATH_TO_BITCOIN="$HOME/.bitcoin"
else
echo "\$PATH_TO_BITCOIN not set to a .bitcoin dir?" >&2
return
fi
fi
start_nodes() {
if [ -z "$1" ]; then
node_count=2
else
node_count=$1
fi
if [ "$node_count" -gt 100 ]; then
node_count=100
fi
if [ -z "$2" ]; then
network=regtest
else
network=$2
fi
LN_NODES=$node_count
for i in $(seq $node_count); do
socket=$(( 7070 + i * 101))
mkdir -p "/tmp/l$i-$network"
# Node config
cat <<- EOF > "/tmp/l$i-$network/config"
network=$network
log-level=debug
log-file=/tmp/l$i-$network/log
addr=localhost:$socket
dev-fast-gossip
dev-bitcoind-poll=5
EOF
# Start the lightning nodes
test -f "/tmp/l$i-$network/lightningd-$network.pid" || \
"$LIGHTNINGD" "--lightning-dir=/tmp/l$i-$network" --daemon
# shellcheck disable=SC2139 disable=SC2086
alias l$i-cli="$LCLI --lightning-dir=/tmp/l$i-$network"
# shellcheck disable=SC2139 disable=SC2086
alias l$i-log="less /tmp/l$i-$network/log"
done
# Give a hint.
echo "Commands: "
for i in $(seq $node_count); do
echo " l$i-cli, l$i-log,"
done
}
start_ln() {
# Start bitcoind in the background
test -f "$PATH_TO_BITCOIN/regtest/bitcoind.pid" || \
bitcoind -regtest -txindex -fallbackfee=0.00000253 -daemon
# Wait for it to start.
while ! bitcoin-cli -regtest ping 2> /tmp/null; do echo "awaiting bitcoind..." && sleep 1; done
# Kick it out of initialblockdownload if necessary
if bitcoin-cli -regtest getblockchaininfo | grep -q 'initialblockdownload.*true'; then
bitcoin-cli -regtest generatetoaddress 1 "$(bitcoin-cli -regtest getnewaddress)" > /dev/null
fi
alias bt-cli='bitcoin-cli -regtest'
if [ -z "$1" ]; then
nodes=2
else
nodes="$1"
fi
start_nodes "$nodes" regtest
echo " bt-cli, stop_ln"
}
stop_nodes() {
if [ -z "$2" ]; then
network=regtest
else
network="$2"
fi
if [ -n "$LN_NODES" ]; then
for i in $(seq $LN_NODES); do
test ! -f "/tmp/l$i-$network/lightningd-$network.pid" || \
(kill "$(cat "/tmp/l$i-$network/lightningd-$network.pid")"; \
rm "/tmp/l$i-$network/lightningd-$network.pid")
unalias "l$i-cli"
unalias "l$i-log"
done
fi
}
stop_ln() {
stop_nodes "$1" regtest
test ! -f "$PATH_TO_BITCOIN/regtest/bitcoind.pid" || \
(kill "$(cat "$PATH_TO_BITCOIN/regtest/bitcoind.pid")"; \
rm "$PATH_TO_BITCOIN/regtest/bitcoind.pid")
unset LN_NODES
unalias bt-cli
}
start_elem() {
if [ -z "$PATH_TO_ELEMENTS" ]; then
if [ -d "$HOME/.elements" ]; then
PATH_TO_ELEMENTS="$HOME/.elements"
else
echo "\$PATH_TO_ELEMENTS not set to a .elements dir" >&2
return
fi
fi
test -f "$PATH_TO_ELEMENTS/liquid-regtest/bitcoin.pid" || \
elementsd -chain=liquid-regtest -printtoconsole -logtimestamps -nolisten -validatepegin=0 -con_blocksubsidy=5000000000 -daemon
# Wait for it to start.
while ! elements-cli -chain=liquid-regtest ping 2> /tmp/null; do echo "awaiting elementsd..." && sleep 1; done
# Kick it out of initialblockdownload if necessary
if elements-cli -chain=liquid-regtest getblockchaininfo | grep -q 'initialblockdownload.*true'; then
elements-cli -chain=liquid-regtest generatetoaddress 1 "$(elements-cli -chain=liquid-regtest getnewaddress)" > /dev/null
fi
alias et-cli='elements-cli -chain=liquid-regtest'
if [ -z "$1" ]; then
nodes=2
else
nodes="$1"
fi
start_nodes "$nodes" liquid-regtest
echo " et-cli, stop_elem"
}
stop_elem() {
stop_nodes "$1" liquid-regtest
test ! -f "$PATH_TO_ELEMENTS/liquid-regtest/bitcoind.pid" || \
(kill "$(cat "$PATH_TO_ELEMENTS/liquid-regtest/bitcoind.pid")"; \
rm "$PATH_TO_ELEMENTS/liquid-regtest/bitcoind.pid")
unset LN_NODES
unalias et-cli
}