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DEMONOTES.md

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Demo notes for signer against aws regtest cln node

ESP32

  • Log in to the ubuntu machine, connect the ESP, launch terminal, and cd code/sphinx-key/sphinx-key.
  • Then launch clearstorage, and do a ctrl-c when you see the message NVS cleared! in the logs.
  • Launch buildkey. This builds the signer software that will run on the esp.
  • flashkey. This writes the signer software to the esp.
  • Then do mon. Short for monitor, this restarts the ESP, and outputs its logs to the screen.
  • Wait for the message Waiting for data from the phone!. The LED should blink green.
  • On your phone connect to the Wifi sphinxkey. This is served from the ESP32.
  • Launch the signer setup flow on the sphinx app, and input the following settings:

ESP IP address: 192.168.71.1
Broker IP address and port: 44.198.193.18:1883
SSID: ssid of a local wifi with access to the internet
Password: password of the wifi from the previous step

  • Once the setup is complete, the message CONFIG SAVED should appear. Check in the log right above that all the settings are correct.
  • Press the RST button, to the right of the USB cable on the ESP. This does a hard reset of the ESP, and now launches the signer.
  • The LED will first blink yellow while it is connecting to the wifi.
  • When the signer is pinging for the broker, the LED on the ESP blinks purple.
  • On the logs, you should see BROKER IP AND PORT and LED STATUS: ConnectingToMqtt

CLN AWS

  • You'll need 4 windows.
  • SSH all of the windows onto the AWS EC2 instance
  • Run cleanup in window A. This completely resets the regtest environment on the AWS instance.
  • Then run regd in window A. This launches the regtest node.
  • In window B, launch aliced. This launches alice, a generic regtest CLN node.
  • In window C, run alice-cli newaddr.
  • In the same window, run touchwallet && genbtc {address of previous step} && blkdump
  • export BITCOIND_RPC_URL=http://localhost
  • In window D, launch bobd. This launches bob, our MQTT remote signer node.
  • On the ESP32, the LED should blink white when the signer is ready to sign for the node.
  • Once its pubkey is logged, copy it.
  • Back in window C, run alice-cli connect {bob pubkey} localhost:20000.
  • Then alice-cli fundchannel {bob pubkey} 100000. This opens a 100'000 sat channel from alice to bob.
  • Then do blkdump to generate a bunch of blocks and confirm the channel.

Keysend: alice-cli keysend {bob pubkey} 1000 ( keysend of 1 satoshi from alice to bob ).
Generate invoice: bob-cli invoice 1000 {label} {description}
Pay invoice: alice-cli pay {invoice}
Close channel: alice-cli close {bob pubkey}
Get the node pubkey: alice-cli getinfo
List the utxos of the node: alice-cli listfunds
List the peers and channels of the node: alice-cli listpeers
Stop the node: alice-cli stop
Completely reset the regtest environment: cleanup