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contrib: add the dev- options to the config iff DEVELOPER=1 configured

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We scan config.vars to figure out if you configured developer on or off.
If it's on, we add the dev-only options to the config.

Fixes: #4400
Reported-By: Jonathan Harvey-Buschel @jharveyb
This commit is contained in:
niftynei 2021-03-11 15:15:31 -06:00 • committed by Rusty Russell
parent 2586641678
commit 9776e23b83
2 changed files with 18 additions and 3 deletions
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12
README.md
View file

@ -55,14 +55,24 @@ sudo apt-get install bitcoind lightningd
### Starting `lightningd`
#### Regtest (local, fast-start) Option
If you want to experiment with `lightningd`, there's a script to set
up a `bitcoind` regtest test network of two local lightning nodes,
which provides a convenient `start_ln` helper:
which provides a convenient `start_ln` helper. See the notes at the top
of the `startup_regtest.sh` file for details on how to use it.
```bash
. contrib/startup_regtest.sh
```
Note that your local nodeset will be much faster/more responsive if
you've configured your node to expose the developer options, e.g.
```bash
./configure --enable-developer
```
#### Mainnet Option
To test with real bitcoin, you will need to have a local `bitcoind` node running:
```bash

9
contrib/startup_regtest.sh
View file

@ -86,10 +86,15 @@ start_nodes() {
log-level=debug
log-file=/tmp/l$i-$network/log
addr=localhost:$socket
dev-fast-gossip
dev-bitcoind-poll=5
EOF
# If we've configured to use developer, add dev options
if $LIGHTNINGD --help | grep -q dev-fast-gossip; then
echo "dev-fast-gossip" >> "/tmp/l$i-$network/config"
echo "dev-bitcoind-poll=5" >> "/tmp/l$i-$network/config"
fi
# Start the lightning nodes
test -f "/tmp/l$i-$network/lightningd-$network.pid" || \
"$LIGHTNINGD" "--lightning-dir=/tmp/l$i-$network" --daemon