def zeth_note_short(note_desc: ZethNoteDescription) -> str:
"""
Generate a short human-readable description of a commitment.
"""
value = from_zeth_units(int(note_desc.note.value, 16)).ether()
cm = short_commitment(note_desc.commitment)
return f"{cm}: value={value} ETH, addr={note_desc.address}"
def receive_note(self, comm_addr: int,
out_ev: MixOutputEvents) -> Optional[ZethNoteDescription]:
# Check this output event to see if it belongs to this wallet.
our_note = receive_note(out_ev, self.k_sk_receiver)
if our_note is None:
return None
(commit, note) = our_note
if not _check_note(commit, note):
return None
note_desc = ZethNoteDescription(note, comm_addr, commit)
self._write_note(note_desc)
# Add the nullifier to the map in the state file
nullifier = compute_nullifier(note_desc.note, self.a_sk)
self.state.nullifier_map[nullifier.hex()] = \
short_commitment(commit)
return note_desc
def _note_basename(self, note_desc: ZethNoteDescription) -> str:
value_eth = from_zeth_units(int(note_desc.note.value, 16)).ether()
cm_str = short_commitment(note_desc.commitment)
return "note_%s_%04d_%s_%s" % (self.username, note_desc.address,
cm_str, value_eth)