add Eclair node

data/eclair/eclair.conf

@@ -0,0 +1,27 @@
+eclair {
+  chain = "regtest"
+
+  api {
+    enabled = true
+    port = 8080
+    password = "lnbits"
+  }
+
+  bitcoind {
+    host = "bitcoind"
+    rpcport = 18443
+    rpcuser = "lnbits"
+    rpcpassword = "lnbits"
+
+    zmqblock = "tcp://bitcoind:29001"
+    zmqtx = "tcp://bitcoind:29000"
+  }
+
+  channel {
+    max-funding-satoshis = 10000000000
+  }
+
+  features {
+    option_support_large_channel = mandatory
+  }
+}

docker-compose.yml

@@ -116,6 +116,19 @@ services:
     volumes:
       - ./data/lnd-3:/root/.lnd/
 
+  eclair:
+    hostname: eclair
+    depends_on:
+      - bitcoind
+    image: boltz/eclair:0.8.0
+    restart: on-failure
+    entrypoint: "sh -c 'sleep 20; /eclair-node/bin/eclair-node.sh -Declair.datadir=/root/eclair -Declair.printToConsole'"
+    expose:
+      - 9735
+      - 8080
+    volumes:
+      - ./data/eclair:/root/eclair
+
   electrs:
     depends_on:
       - bitcoind

docker-scripts.sh

@@ -19,6 +19,18 @@ lncli-sim() {
   docker exec lnbits-legend-lnd-$i-1 lncli --network regtest --rpcserver=lnd-$i:10009 $@
 }
 
+get-eclair-pubkey() {
+  while true; do
+    pubkey=$(docker exec -it lnbits-legend-eclair-1 curl http://localhost:8080/getinfo -X POST -u :lnbits 2> /dev/null | jq -r .nodeId 2> /dev/null)
+    pubkeyPrefix=$(echo $pubkey | cut -c1,2)
+    if [[ "$pubkeyPrefix" == "02" || "$pubkeyPrefix" == "03" ]]; then
+      echo $pubkey
+      break
+    fi
+    sleep 1
+  done
+}
+
 # args(i)
 fund_clightning_node() {
   address=$(lightning-cli-sim $1 newaddr | jq -r .bech32)
@@ -54,7 +66,7 @@ lnbits-regtest-start-log(){
 lnbits-regtest-stop(){
   docker compose down --volumes
   # clean up lightning node data
-  sudo rm -rf ./data/clightning-1 ./data/clightning-2 ./data/lnd-1  ./data/lnd-2 ./data/lnd-3 ./data/boltz/boltz.db
+  sudo rm -rf ./data/clightning-1 ./data/clightning-2 ./data/lnd-1  ./data/lnd-2 ./data/lnd-3 ./data/boltz/boltz.db ./data/eclair/regtest
   # recreate lightning node data folders preventing permission errors
   mkdir ./data/clightning-1 ./data/clightning-2 ./data/lnd-1 ./data/lnd-2 ./data/lnd-3
 }
@@ -157,6 +169,13 @@ lnbits-lightning-init(){
   echo "open channel from cln-1 to cln-2"
   lightning-cli-sim 1 fundchannel -k id=$peerid amount=$channel_size push_msat=$balance_size_msat > /dev/null
 
+  # lnd-1 -> eclair-1
+  lncli-sim 1 connect $(get-eclair-pubkey)@lnbits-legend-eclair-1 > /dev/null
+  echo "open channel from lnd-1 to eclair-1"
+  lncli-sim 1 openchannel $(get-eclair-pubkey) $channel_size $balance_size > /dev/null
+  bitcoin-cli-sim -generate 10 > /dev/null
+  wait-for-lnd-channel 1
+
   bitcoin-cli-sim -generate 10 > /dev/null
 
   wait-for-clightning-channel 1

tests

@@ -20,7 +20,7 @@ run(){
 }
 
 failed="false"
-blockheight=230
+blockheight=240
 utxos=5
 channel_size=24000000 # 0.024 btc
 balance_size=12000000 # 0.012 btc
@@ -36,7 +36,9 @@ for i in 1 2 3; do
   run "lnd-$i .synced_to_chain" "true" $(lncli-sim $i getinfo | jq -r ".synced_to_chain")
   run "lnd-$i utxo count" $utxos $(lncli-sim $i listunspent | jq -r ".utxos | length")
   run "lnd-$i .block_height" $blockheight $(lncli-sim $i getinfo | jq -r ".block_height")
-  if [[ "$i" == "2" ]]; then
+  if [[ "$i" == "1" ]]; then
+    channel_count=4
+  elif [[ "$i" == "2" ]]; then
     channel_count=2
   else
     channel_count=3
@@ -55,6 +57,8 @@ for i in 1 2; do
   run "cln-$i channel[0].channel_sat" $balance_size $(lightning-cli-sim $i listfunds | jq -r ".channels[0].channel_sat")
 done
 
+run "eclair-1 openchannels" 1 $(docker exec -it lnbits-legend-eclair-1 curl http://localhost:8080/channels -X POST -u :lnbits | jq '. | length')
+
 run "boltz service status" "200" $(curl -s -o /dev/null --head -w "%{http_code}" "http://localhost:9001/version")
 run "mempool service status" "200" $(curl -s -o /dev/null --head -w "%{http_code}" "http://localhost:8080/")
 run "lnbits service status" "200" $(curl -s -o /dev/null -w "%{http_code}" "http://localhost:5001/")