-
Notifications
You must be signed in to change notification settings - Fork 194
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
3 changed files
with
159 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,77 @@ | ||
import re | ||
|
||
class Descriptor: | ||
def __init__(self, origin_fingerprint, origin_path, base_key, path_suffix, testnet, sh_wpkh, wpkh): | ||
self.origin_fingerprint = origin_fingerprint | ||
self.origin_path = origin_path | ||
self.path_suffix = path_suffix | ||
self.base_key = base_key | ||
self.testnet = testnet | ||
self.sh_wpkh = sh_wpkh | ||
self.wpkh = wpkh | ||
self.m_path = None | ||
|
||
if origin_path: | ||
self.m_path_base = "m" + origin_path | ||
self.m_path = "m" + origin_path + (path_suffix or "") | ||
|
||
@classmethod | ||
def parse(cls, desc, testnet = False): | ||
sh_wpkh = None | ||
wpkh = None | ||
origin_fingerprint = None | ||
origin_path = None | ||
base_key_and_path_match = None | ||
base_key = None | ||
path_suffix = None | ||
|
||
if desc.startswith("sh(wpkh("): | ||
sh_wpkh = True | ||
elif desc.startswith("wpkh("): | ||
wpkh = True | ||
|
||
origin_match = re.search(r"\[(.*)\]", desc) | ||
if origin_match: | ||
origin = origin_match.group(1) | ||
match = re.search(r"^([0-9a-fA-F]{8})(\/.*)", origin) | ||
if match: | ||
origin_fingerprint = match.group(1) | ||
origin_path = match.group(2) | ||
# Replace h with ' | ||
origin_path = origin_path.replace('h', '\'') | ||
|
||
base_key_and_path_match = re.search(r"\[.*\](\w+)([\/\)][\d'\/\*]*)", desc) | ||
else: | ||
base_key_and_path_match = re.search(r"\((\w+)([\/\)][\d'\/\*]*)", desc) | ||
|
||
if base_key_and_path_match: | ||
base_key = base_key_and_path_match.group(1) | ||
path_suffix = base_key_and_path_match.group(2) | ||
if path_suffix == ")": | ||
path_suffix = None | ||
else: | ||
if origin_match == None: | ||
return None | ||
|
||
return cls(origin_fingerprint, origin_path, base_key, path_suffix, testnet, sh_wpkh, wpkh) | ||
|
||
|
||
def serialize(self): | ||
descriptor_open = 'pkh(' | ||
descriptor_close = ')' | ||
origin = '' | ||
path_suffix = '' | ||
|
||
if self.wpkh == True: | ||
descriptor_open = 'wpkh(' | ||
elif self.sh_wpkh == True: | ||
descriptor_open = 'sh(wpkh(' | ||
descriptor_close = '))' | ||
|
||
if self.origin_fingerprint and self.origin_path: | ||
origin = '[' + self.origin_fingerprint + self.origin_path + ']' | ||
|
||
if self.path_suffix: | ||
path_suffix = self.path_suffix | ||
|
||
return descriptor_open + origin + self.base_key + path_suffix + descriptor_close |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,80 @@ | ||
#! /usr/bin/env python3 | ||
|
||
from hwilib.descriptor import Descriptor | ||
import unittest | ||
|
||
class TestDescriptor(unittest.TestCase): | ||
def test_parse_descriptor_with_origin(self): | ||
desc = Descriptor.parse("wpkh([00000001/84'/1'/0']tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/0/0)", True) | ||
self.assertIsNotNone(desc) | ||
self.assertEqual(desc.wpkh, True) | ||
self.assertEqual(desc.sh_wpkh, None) | ||
self.assertEqual(desc.origin_fingerprint, "00000001") | ||
self.assertEqual(desc.origin_path, "/84'/1'/0'") | ||
self.assertEqual(desc.base_key, "tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B") | ||
self.assertEqual(desc.path_suffix, "/0/0") | ||
self.assertEqual(desc.testnet, True) | ||
self.assertEqual(desc.m_path, "m/84'/1'/0'/0/0") | ||
|
||
def test_parse_descriptor_without_origin(self): | ||
desc = Descriptor.parse("wpkh(tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/0/0)", True) | ||
self.assertIsNotNone(desc) | ||
self.assertEqual(desc.wpkh, True) | ||
self.assertEqual(desc.sh_wpkh, None) | ||
self.assertEqual(desc.origin_fingerprint, None) | ||
self.assertEqual(desc.origin_path, None) | ||
self.assertEqual(desc.base_key, "tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B") | ||
self.assertEqual(desc.path_suffix, "/0/0") | ||
self.assertEqual(desc.testnet, True) | ||
self.assertEqual(desc.m_path, None) | ||
|
||
def test_parse_descriptor_with_key_at_end_with_origin(self): | ||
desc = Descriptor.parse("wpkh([00000001/84'/1'/0'/0/0]0297dc3f4420402e01a113984311bf4a1b8de376cac0bdcfaf1b3ac81f13433c7)", True) | ||
self.assertIsNotNone(desc) | ||
self.assertEqual(desc.wpkh, True) | ||
self.assertEqual(desc.sh_wpkh, None) | ||
self.assertEqual(desc.origin_fingerprint, "00000001") | ||
self.assertEqual(desc.origin_path, "/84'/1'/0'/0/0") | ||
self.assertEqual(desc.base_key, "0297dc3f4420402e01a113984311bf4a1b8de376cac0bdcfaf1b3ac81f13433c7") | ||
self.assertEqual(desc.path_suffix, None) | ||
self.assertEqual(desc.testnet, True) | ||
self.assertEqual(desc.m_path, "m/84'/1'/0'/0/0") | ||
|
||
def test_parse_descriptor_with_key_at_end_without_origin(self): | ||
desc = Descriptor.parse("wpkh(0297dc3f4420402e01a113984311bf4a1b8de376cac0bdcfaf1b3ac81f13433c7)", True) | ||
self.assertIsNotNone(desc) | ||
self.assertEqual(desc.wpkh, True) | ||
self.assertEqual(desc.sh_wpkh, None) | ||
self.assertEqual(desc.origin_fingerprint, None) | ||
self.assertEqual(desc.origin_path, None) | ||
self.assertEqual(desc.base_key, "0297dc3f4420402e01a113984311bf4a1b8de376cac0bdcfaf1b3ac81f13433c7") | ||
self.assertEqual(desc.path_suffix, None) | ||
self.assertEqual(desc.testnet, True) | ||
self.assertEqual(desc.m_path, None) | ||
|
||
def test_parse_empty_descriptor(self): | ||
desc = Descriptor.parse("", True) | ||
self.assertIsNone(desc) | ||
|
||
def test_parse_descriptor_replace_h(self): | ||
desc = Descriptor.parse("wpkh([00000001/84h/1h/0']tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/0/0)", True) | ||
self.assertIsNotNone(desc) | ||
self.assertEqual(desc.origin_path, "/84'/1'/0'") | ||
|
||
def test_serialize_descriptor_with_origin(self): | ||
descriptor = "wpkh([00000001/84'/1'/0']tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/0/0)" | ||
desc = Descriptor.parse(descriptor, True) | ||
self.assertEqual(desc.serialize(), descriptor) | ||
|
||
def test_serialize_descriptor_without_origin(self): | ||
descriptor = "wpkh(tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/0/0)" | ||
desc = Descriptor.parse(descriptor, True) | ||
self.assertEqual(desc.serialize(), descriptor) | ||
|
||
def test_serialize_descriptor_with_key_at_end_with_origin(self): | ||
descriptor = "wpkh([00000001/84'/1'/0'/0/0]0297dc3f4420402e01a113984311bf4a1b8de376cac0bdcfaf1b3ac81f13433c7)" | ||
desc = Descriptor.parse(descriptor, True) | ||
self.assertEqual(desc.serialize(), descriptor) | ||
|
||
if __name__ == "__main__": | ||
unittest.main() |