esplora_clnd_plugin

c-lightning C plugin to use (as possible) esplora web explorer to fetch bitcoin data.

1st c-lightning plugin with esplora integration is sauron plugin developped by darosior.

Build

1. copy esplora.c and Makefile into lightning/plugins folder
2. edit main lightning/Makefile as the following:

• add esplora plugin to PLUGIN list

PLUGINS=plugins/pay plugins/autoclean plugins/fundchannel plugins/bcli plugins/esplora

• add libcurl to LDLIBS dep (needed for esplora plugin)

LDLIBS = -L/usr/local/lib -lm -lgmp -lsqlite3 -lz -lcurl $(COVFLAGS)

3. run make on your lightning folder

Run

Disable bcli plugin in order to fetch bitcoin data from esplora plugin, and set plugin options, as the following:

lightningd --testnet --disable-plugin bcli --log-level=debug \
--blockchair-api-endpoint https://api.blockchair.com/bitcoin/testnet --esplora-api-endpoint https://blockstream.info/testnet/api

Extra options:

• --esplora-verbose=1: enable curl verbosity
• --esplora-cainfo=<path>: set absolute ca info path for cacert.pem (CA certificates extracted from Mozilla at https://curl.haxx.se/docs/caextract.html)