Connecting to a lightning node remotely

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​Remote connection formats summary table​
​LND​
​RPC​
​LNDconnect​
​Balance of Satoshis​
​BTCPayserver​
​C-lightning​
​Spark Wallet​
​Sparko​
​C-lightning REST (with Zeus)​
​BTCPayserver​
​Eclair​
​BTCPayServer​
​Notes​
Remote connection formats summary table
LND
prefix
d
server
d
auth
d
tls
d
lndconnect
lndconnect://
​
grpc_host:10009
?
macaroon=base64_macaroon
&
cert=base64_cert
​
BoS
​
{
"socket": "grpc_host:10009"
,
"macaroon": "base64_macaroon"
,
"cert": "base64_cert"
}
BTCPay
type=lnd-rest
;
​https://rest_host:8080/​
;
macaroon=hex_macaroon
;
certthumbprint=hex_cert
​
C-lightning
prefix
d
server
d
auth
d
tls
Spark Wallet / Sparko
​
​
spark_rpc_host
?
access-key=accessKey
​
​
BTCPay unix socket
type=clightning
;
server=unix://home/user/.lightning/lightning-rpc
​
​
​
​
BTCPay TCP
type=clightning
;
server=tcp://tcp_host:27743/
​
​
​
​
BTCPay Charge
type=clightning
;
server=https://charge_host:8080/​
;
api-token=myapitoken...
​
​
C-lightning REST
​
​
rest_host
?
hex_macaroon
​
​
Eclair
prefix
d
server
d
auth
d
tls
BTCPay
type=eclair
;
server=https://eclair_host:8080/​
;
password=eclairpassword...
​
​
LND
RPC
lncli
lncli --rpcserver=IP_ADDRESS:GRPC_PORT --tlscertpath=./../tls.cert --macaroonpath=./../admin.macaroon
Suez https://github.com/prusnak/suez​
poetry run ./suez --client-args=--rpcserver=IP_ADDRESS:GRPC_PORT --client-args=--tlscertpath=./../tls.cert --client-args=--macaroonpath=./../admin.macaroon
LNDconnect
Specification
​https://github.com/LN-Zap/lndconnect/blob/master/lnd_connect_uri.md​
lndconnect://<host>:<port>?[cert=<base64url_DER_certificate>&]macaroon=<base64url_macaroon>
implementation
​https://github.com/rootzoll/raspiblitz/blob/a22589c86109d56ecc1e1aca7abb214c7e9189c7/home.admin/config.scripts/bonus.lndconnect.sh#L194​
# generate data parts
macaroon=$(sudo base64 /mnt/hdd/app-data/lnd/data/chain/${network}/${chain}net/admin.macaroon | tr -d '=' | tr '/+' '_-' | tr -d '\n')
cert=$(sudo grep -v 'CERTIFICATE' /mnt/hdd/lnd/tls.cert | tr -d '=' | tr '/+' '_-' | tr -d '\n')
​
# generate URI parameters
macaroonParameter="?macaroon=${macaroon}"
certParameter="&cert=${cert}"
​
lndconnect="lndconnect://${host}:${port}${macaroonParameter}${certParameter}"
Balance of Satoshis
​https://github.com/alexbosworth/balanceofsatoshis#saved-nodes​
stored in
~/.bos/YOUR_NODE_NAME/credentials.json
with base64 values
{
"cert": "base64 tls.cert value",
"macaroon": "base64 .macaroon value",
"socket": "host:port"
}
​
# For `cert` 
base64 ~/.lnd/tls.cert | tr -d '\n'
# For `macaroon`
base64 ~/.lnd/data/chain/bitcoin/mainnet/admin.macaroon | tr -d '\n'
with path
{
"cert_path": "/path/lnd/tls.cert",
"macaroon_path": "/path/lnd/data/chain/bitcoin/mainnet/admin.macaroon",
"socket": "LND_IP:10009"
}
BTCPayserver
LND via the REST proxy:
type=lnd-rest;server=https://mylnd:8080/;macaroon=abef263adfe...
type=lnd-rest;server=https://mylnd:8080/;macaroon=abef263adfe...;certthumbprint=abef263adfe...
macaroon
xxd -plain /root/.lnd/data/chain/bitcoin/mainnet/admin.macaroon | tr -d '\n'
certthumbprint:
openssl x509 -noout -fingerprint -sha256 -in /root/.lnd/tls.cert | sed -e 's/.*=//;s/://g'
optional:
allowinsecure=true
C-lightning
Spark Wallet
​https://github.com/shesek/spark-wallet​
Sparko
​https://github.com/fiatjaf/sparko
Currently only works with a CA signed certificate.
See: https://github.com/shesek/spark-wallet/blob/master/doc/tls.md#add-as-trusted-certificate-to-android​
Simply:
URL?access-key=accessKey
the accessKey has macaroon-like permissions
C-lightning REST (with Zeus)
​https://github.com/Ride-The-Lightning/c-lightning-REST/​
No standard yet, but needs:
URL?hex_macaroon
generate the hex_macaroon:
xxd -plain /home/bitcoin/c-lightning-REST/certs/access.macaroon | tr -d '\n'
BTCPayserver
c-lightning via TCP or unix domain socket connection:
type=clightning;server=unix://root/.lightning/lightning-rpc
type=clightning;server=tcp://1.1.1.1:27743/
Lightning Charge via HTTPS:
type=charge;server=https://charge:8080/;api-token=myapitoken...
Eclair
BTCPayServer
Eclair via HTTPS:
type=eclair;server=https://eclair:8080/;password=eclairpassword...
Notes
common dependencies
sudo apt install qrencode base64 xxd
generate a QRcode in the terminal
(press CTRL + - to reduce the size)
string="desired content or $(command output)"
qrencode -t ANSIUTF8 "$string"
base64_macaroon
base64 ~/.lnd/data/chain/bitcoin/mainnet/admin.macaroon | tr -d '\n'
hex_macaroon:
xxd -plain /home/bitcoin/c-lightning-REST/certs/access.macaroon | tr -d '\n'
base64_cert
base64 ~/.lnd/tls.cert | tr -d '\n'
certthumbprint:
openssl x509 -noout -fingerprint -sha256 -in /root/.lnd/tls.cert | sed -e 's/.*=//;s/://g'
inspect a tls.cert
openssl x509 -in /mnt/hdd/lnd/tls.cert -noout -text
display a Tor Hidden Service
more at: https://openoms.github.io/bitcoin-tutorials/tor_hidden_service_example.html​
sudo cat /var/lib/tor/SERVICE_NAME/hostname
# or on a RaspiBlitz
sudo cat /mnt/hdd/tor/SERVICE_NAME/hostname