Added Jupyter Chapter 2.2 (TapTweak)

[jachiang]

Note: Previous feedback on this chapter.

[elichai]

btw, when I run this I get:

AssertionError                            Traceback (most recent call last)
<ipython-input-1-579dc5073092> in <module>
      1 # Add Path to Bitcoin Core Testframework Library.
----> 2 import util
      3 
      4 from test_framework.key import ECKey, ECPubKey, SECP256K1_ORDER
      5 from test_framework.key import generate_schnorr_nonce, aggregate_schnorr_nonces

~/gits/taproot-workshop/util.py in <module>
     11 SOURCE_DIRECTORY = config["path"]["SOURCE_DIRECTORY"]
     12 
---> 13 assert not SOURCE_DIRECTORY == '', 'SOURCE_DIRECTORY not configured! Edit config.ini to configure SOURCE_DIRECTORY.'
     14 
     15 print("Source directory configured as {}".format(SOURCE_DIRECTORY))

AssertionError: SOURCE_DIRECTORY not configured! Edit config.ini to configure SOURCE_DIRECTORY.

I guess I need to clone your bitcoin fork, compile it and edit the config.ini

[elichai]

That's great :)

[elichai]

That's great :)

[jnewbery]

@elichai

btw, when I run this I get:
...
AssertionError: SOURCE_DIRECTORY not configured! Edit config.ini to configure SOURCE_DIRECTORY.

Can you run through the 0.1-test-notebook.ipynb notebook and verify that setting config.ini works for you. Also note the developer hint here: #12 (comment) so you don't need to change config.ini more than once.

[jachiang]

Updated for this bitcoin taproot branch - includes updated MuSig module.

[jnewbery]

rebased on master

[bitschmidty]

tACK

Was able to run through all of the tests.

Pushed a commit to pull solutions into a text file

[jnewbery]

rebased on master

[jnewbery]

I've run through this and all the code runs successfully, so I'm going to merge now.

I've addressed all of elichai's comments. I still plan to review this thoroughly myself.