message: Fix and improve taproot_construct comments
diff: @@ -824,21 +824,33 @@ def taproot_tree_helper(scripts):
  h = TaggedHash("TapBranch", left_h + right_h)
  return (left + right, h)
  +# A TaprootInfo object has the following fields:
  +# - scriptPubKey: the scriptPubKey (witness v1 CScript)
  +# - inner_pubkey: the inner pubkey (32 bytes)
  +# - negflag: whether the pubkey in the scriptPubKey was negated from inner_pubkey+tweak*G (bool).
  +# - tweak: the tweak (32 bytes)
  +# - leaves: a dict of name -> TaprootLeafInfo objects for all known leaves
  TaprootInfo = namedtuple("TaprootInfo", "scriptPubKey,inner_pubkey,negflag,tweak,leaves")
  +
  +# A TaprootLeafInfo object has the following fields:
  +# - script: the leaf script (CScript or bytes)
  +# - version: the leaf version (0xc0 for BIP342 tapscript)
  +# - merklebranch: the merkle branch to use for this leaf (32*N bytes)
  TaprootLeafInfo = namedtuple("TaprootLeafInfo", "script,version,merklebranch")
  def taproot_construct(pubkey, scripts=None):
  """Construct a tree of Taproot spending conditions
  - pubkey: an ECPubKey object for the internal pubkey
  + pubkey: a 32-byte xonly pubkey for the internal pubkey (bytes)
  scripts: a list of items; each item is either:
  - - a (name, CScript) tuple
  - - a (name, CScript, leaf version) tuple
  + - a (name, CScript or bytes, leaf version) tuple
  + - a (name, CScript or bytes) tuple (defaulting to leaf version 0xc0)
  - another list of items (with the same structure)
  - - a function, which specifies how to compute the hashing partner
  - in function of the hash of whatever it is combined with
  + - a list of two items; the first of which is an item itself, and the
  + second is a function. The function takes as input the Merkle root of the
  + first item, and produces a (fictitious) partner to hash with.
  - Returns: script (sPK or redeemScript), tweak, {name:(script, leaf version, negation flag, innerkey, merklepath), ...}
  + Returns: a TaprootInfo object
  """
  if scripts is None:
  scripts = []
  