justinmoon

$ ./setup_environment.sh 
+ mkdir -p work
+ cd work
+ trezor_setup_needed=false
+ '[' '!' -d trezor-firmware ']'
+ cd trezor-firmware
+ git fetch
+ UPSTREAM='@{u}'
++ git rev-parse @
+ LOCAL=9e33d69607962dbaefe0173d5d46c45c07885b95

justinmoon

HIGHLY EXPERIMENTAL

Windows .exe to connect hardware wallets to Bitcoin Core.

Some guidance:

Use testnet (get coins here). This is untested and buggy.
Only connect to Bitcoin Nodes running on the same device as junction. Connections to remote nodes are VERY INSECURE right now, and the UI won't complain.
Bitcoin Core versions below 18.0 are not supported
Required bitcoin.conf parameters:

justinmoon

[3302] Error loading Python lib '/tmp/_MEIzr3RJx/libpython3.7m.so.1.0': dlopen: /lib/x86_64-linux-gnu/libm.so.6: version `GLIBC_2.29' not found (required by /tmp/_MEIzr3RJx/libpython3.7m.so.1.0)

justinmoon

$ ./lightningd/lightningd --log-level=io
2019-10-07T03:24:31.543Z UNUSUAL lightningd(18406): Creating configuration directory /home/justin/.lightning
2019-10-07T03:24:31.546Z DEBUG plugin-manager started(18407) /home/justin/dev/github/c-lightning/lightningd/../plugins/fundchannel
2019-10-07T03:24:31.549Z DEBUG plugin-manager started(18408) /home/justin/dev/github/c-lightning/lightningd/../plugins/pay
2019-10-07T03:24:31.550Z DEBUG plugin-manager started(18409) /home/justin/dev/github/c-lightning/lightningd/../plugins/autoclean
2019-10-07T03:24:31.551Z DEBUG plugin-manager started(18410) /home/justin/dev/github/c-lightning/lightningd/../plugins/helloworld.py
2019-10-07T03:24:31.552Z plugin-helloworld.py[OUT] 7b226a736f6e727063223a22322e30222c226964223a332c226d6574686f64223a226765746d616e6966657374222c22706172616d73223a7b7d7d0a0a
2019-10-07T03:24:31.552Z plugin-autoclean[OUT] 7b226a736f6e727063223a22322e30222c226964223a322c226d6574686f64223a226765746d616e6966657374222c22706172616d73223a7b7d7d0a0a
2019-10-07T03:

justinmoon

General Workflow

• Mobile wallet prepares a transaction in PSBT format
• Mobile wallet calls snowball.enroll(psbt)
  • Invites all connected peers to add equal-sized inputs and outputs to the PSBT
  • Asynchronous with timeout
  • This would take soem kind of settings object including:
    • Who pays the fees
    • TODO: what else
• Mobile wallet updates outputs to according to fee settings and desired fee rate

justinmoon

In encounter the following error attempting to install HWI using Poetry on Windows 10:

```
$ poetry install
...
$ poetry shell
$ hwi enumerate
Traceback (most recent call last):
  File "C:\Users\justin\AppData\Local\pypoetry\Cache\virtualenvs\HWI-py3.7\Scripts\hwi-script.py", line 6, in <module>
    from pkg_resources import load_entry_point

justinmoon

from flaskwebgui import FlaskUI #get the FlaskUI class
from dev import app

ui = FlaskUI(app)
ui.run()

justinmoon

from hwilib import commands

print(commands.enumerate())

justinmoon

from flask import Flask, render_template_string, request, redirect
from hwilib import commands
from hwilib.devices import trezor

app = Flask(__name__)

template = """
<div>Locked? {{ locked }}</div>
<form action="/" method="post">
    <label for="pin">Pin:</label>

justinmoon

from m5stack import LCD, fonts, color565
from m import secure_mnemonic

lcd = LCD()
lcd.set_font(fonts.tt24)
lcd.erase()


def title(s):
    # calculations