v0.1.7

1 files changed, 56 insertions, 63 deletions

diff --git a/frozen_deps/mnemonic/mnemonic.py b/frozen_deps/mnemonic/mnemonic.py
index 935620a..e45111b 100644
--- a/frozen_deps/mnemonic/mnemonic.py
+++ b/frozen_deps/mnemonic/mnemonic.py
@@ -20,15 +20,15 @@
 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #
 
-import binascii
 import bisect
 import hashlib
 import hmac
 import itertools
 import os
-import sys
+from typing import AnyStr, List, Optional, Sequence, TypeVar, Union
 import unicodedata
 
+_T = TypeVar("_T")
 PBKDF2_ROUNDS = 2048
 
 
@@ -37,20 +37,23 @@ class ConfigurationError(Exception):
 
 
 # From <https://stackoverflow.com/questions/212358/binary-search-bisection-in-python/2233940#2233940>
-def binary_search(a, x, lo=0, hi=None):  # can't use a to specify default for hi
+def binary_search(
+    a: Sequence[_T],
+    x: _T,
+    lo: int = 0,
+    hi: Optional[int] = None,  # can't use a to specify default for hi
+) -> int:
     hi = hi if hi is not None else len(a)  # hi defaults to len(a)
     pos = bisect.bisect_left(a, x, lo, hi)  # find insertion position
     return pos if pos != hi and a[pos] == x else -1  # don't walk off the end
 
 
 # Refactored code segments from <https://github.com/keis/base58>
-def b58encode(v):
+def b58encode(v: bytes) -> str:
     alphabet = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
 
     p, acc = 1, 0
     for c in reversed(v):
-        if sys.version < "3":
-            c = ord(c)
         acc += p * c
         p = p << 8
 
@@ -62,39 +65,36 @@ def b58encode(v):
 
 
 class Mnemonic(object):
-    def __init__(self, language):
+    def __init__(self, language: str):
+        self.language = language
         self.radix = 2048
-        if sys.version < "3":
-            with open("%s/%s.txt" % (self._get_directory(), language), "r") as f:
-                self.wordlist = [w.strip().decode("utf8") for w in f.readlines()]
-        else:
-            with open(
-                "%s/%s.txt" % (self._get_directory(), language), "r", encoding="utf-8"
-            ) as f:
-                self.wordlist = [w.strip() for w in f.readlines()]
+        with open(
+            "%s/%s.txt" % (self._get_directory(), language), "r", encoding="utf-8"
+        ) as f:
+            self.wordlist = [w.strip() for w in f.readlines()]
         if len(self.wordlist) != self.radix:
             raise ConfigurationError(
                 "Wordlist should contain %d words, but it contains %d words."
                 % (self.radix, len(self.wordlist))
             )
 
-    @classmethod
-    def _get_directory(cls):
+    @staticmethod
+    def _get_directory() -> str:
         return os.path.join(os.path.dirname(__file__), "wordlist")
 
     @classmethod
-    def list_languages(cls):
+    def list_languages(cls) -> List[str]:
         return [
             f.split(".")[0]
             for f in os.listdir(cls._get_directory())
             if f.endswith(".txt")
         ]
 
-    @classmethod
-    def normalize_string(cls, txt):
-        if isinstance(txt, str if sys.version < "3" else bytes):
+    @staticmethod
+    def normalize_string(txt: AnyStr) -> str:
+        if isinstance(txt, bytes):
             utxt = txt.decode("utf8")
-        elif isinstance(txt, unicode if sys.version < "3" else str):  # noqa: F821
+        elif isinstance(txt, str):
             utxt = txt
         else:
             raise TypeError("String value expected")
@@ -102,7 +102,7 @@ class Mnemonic(object):
         return unicodedata.normalize("NFKD", utxt)
 
     @classmethod
-    def detect_language(cls, code):
+    def detect_language(cls, code: str) -> str:
         code = cls.normalize_string(code)
         first = code.split(" ")[0]
         languages = cls.list_languages()
@@ -114,7 +114,7 @@ class Mnemonic(object):
 
         raise ConfigurationError("Language not detected")
 
-    def generate(self, strength=128):
+    def generate(self, strength: int = 128) -> str:
         if strength not in [128, 160, 192, 224, 256]:
             raise ValueError(
                 "Strength should be one of the following [128, 160, 192, 224, 256], but it is not (%d)."
@@ -123,7 +123,7 @@ class Mnemonic(object):
         return self.to_mnemonic(os.urandom(strength // 8))
 
     # Adapted from <http://tinyurl.com/oxmn476>
-    def to_entropy(self, words):
+    def to_entropy(self, words: Union[List[str], str]) -> bytearray:
         if not isinstance(words, list):
             words = words.split(" ")
         if len(words) not in [12, 15, 18, 21, 24]:
@@ -136,7 +136,7 @@ class Mnemonic(object):
         concatLenBits = len(words) * 11
         concatBits = [False] * concatLenBits
         wordindex = 0
-        if self.detect_language(" ".join(words)) == "english":
+        if self.language == "english":
             use_binary_search = True
         else:
             use_binary_search = False
@@ -163,28 +163,18 @@ class Mnemonic(object):
                     entropy[ii] |= 1 << (7 - jj)
         # Take the digest of the entropy.
         hashBytes = hashlib.sha256(entropy).digest()
-        if sys.version < "3":
-            hashBits = list(
-                itertools.chain.from_iterable(
-                    (
-                        [ord(c) & (1 << (7 - i)) != 0 for i in range(8)]
-                        for c in hashBytes
-                    )
-                )
-            )
-        else:
-            hashBits = list(
-                itertools.chain.from_iterable(
-                    ([c & (1 << (7 - i)) != 0 for i in range(8)] for c in hashBytes)
-                )
+        hashBits = list(
+            itertools.chain.from_iterable(
+                [c & (1 << (7 - i)) != 0 for i in range(8)] for c in hashBytes
             )
+        )
         # Check all the checksum bits.
         for i in range(checksumLengthBits):
             if concatBits[entropyLengthBits + i] != hashBits[i]:
                 raise ValueError("Failed checksum.")
         return entropy
 
-    def to_mnemonic(self, data):
+    def to_mnemonic(self, data: bytes) -> str:
         if len(data) not in [16, 20, 24, 28, 32]:
             raise ValueError(
                 "Data length should be one of the following: [16, 20, 24, 28, 32], but it is not (%d)."
@@ -192,39 +182,39 @@ class Mnemonic(object):
             )
         h = hashlib.sha256(data).hexdigest()
         b = (
-            bin(int(binascii.hexlify(data), 16))[2:].zfill(len(data) * 8)
+            bin(int.from_bytes(data, byteorder="big"))[2:].zfill(len(data) * 8)
             + bin(int(h, 16))[2:].zfill(256)[: len(data) * 8 // 32]
         )
         result = []
         for i in range(len(b) // 11):
             idx = int(b[i * 11 : (i + 1) * 11], 2)
             result.append(self.wordlist[idx])
-        if (
-            self.detect_language(" ".join(result)) == "japanese"
-        ):  # Japanese must be joined by ideographic space.
+        if self.language == "japanese":  # Japanese must be joined by ideographic space.
             result_phrase = u"\u3000".join(result)
         else:
             result_phrase = " ".join(result)
         return result_phrase
 
-    def check(self, mnemonic):
-        mnemonic = self.normalize_string(mnemonic).split(" ")
+    def check(self, mnemonic: str) -> bool:
+        mnemonic_list = self.normalize_string(mnemonic).split(" ")
         # list of valid mnemonic lengths
-        if len(mnemonic) not in [12, 15, 18, 21, 24]:
+        if len(mnemonic_list) not in [12, 15, 18, 21, 24]:
             return False
         try:
-            idx = map(lambda x: bin(self.wordlist.index(x))[2:].zfill(11), mnemonic)
+            idx = map(
+                lambda x: bin(self.wordlist.index(x))[2:].zfill(11), mnemonic_list
+            )
             b = "".join(idx)
         except ValueError:
             return False
         l = len(b)  # noqa: E741
         d = b[: l // 33 * 32]
         h = b[-l // 33 :]
-        nd = binascii.unhexlify(hex(int(d, 2))[2:].rstrip("L").zfill(l // 33 * 8))
+        nd = int(d, 2).to_bytes(l // 33 * 4, byteorder="big")
         nh = bin(int(hashlib.sha256(nd).hexdigest(), 16))[2:].zfill(256)[: l // 33]
         return h == nh
 
-    def expand_word(self, prefix):
+    def expand_word(self, prefix: str) -> str:
         if prefix in self.wordlist:
             return prefix
         else:
@@ -236,21 +226,23 @@ class Mnemonic(object):
                 # this is not a validation routine, just return the input
                 return prefix
 
-    def expand(self, mnemonic):
+    def expand(self, mnemonic: str) -> str:
         return " ".join(map(self.expand_word, mnemonic.split(" ")))
 
     @classmethod
-    def to_seed(cls, mnemonic, passphrase=""):
+    def to_seed(cls, mnemonic: str, passphrase: str = "") -> bytes:
         mnemonic = cls.normalize_string(mnemonic)
         passphrase = cls.normalize_string(passphrase)
         passphrase = "mnemonic" + passphrase
-        mnemonic = mnemonic.encode("utf-8")
-        passphrase = passphrase.encode("utf-8")
-        stretched = hashlib.pbkdf2_hmac("sha512", mnemonic, passphrase, PBKDF2_ROUNDS)
+        mnemonic_bytes = mnemonic.encode("utf-8")
+        passphrase_bytes = passphrase.encode("utf-8")
+        stretched = hashlib.pbkdf2_hmac(
+            "sha512", mnemonic_bytes, passphrase_bytes, PBKDF2_ROUNDS
+        )
         return stretched[:64]
 
-    @classmethod
-    def to_hd_master_key(cls, seed):
+    @staticmethod
+    def to_hd_master_key(seed: bytes, testnet: bool = False) -> str:
         if len(seed) != 64:
             raise ValueError("Provided seed should have length of 64")
 
@@ -259,6 +251,8 @@ class Mnemonic(object):
 
         # Serialization format can be found at: https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#Serialization_format
         xprv = b"\x04\x88\xad\xe4"  # Version for private mainnet
+        if testnet:
+            xprv = b"\x04\x35\x83\x94"  # Version for private testnet
         xprv += b"\x00" * 9  # Depth, parent fingerprint, and child number
         xprv += seed[32:]  # Chain code
         xprv += b"\x00" + seed[:32]  # Master key
@@ -274,15 +268,14 @@ class Mnemonic(object):
         return b58encode(xprv)
 
 
-def main():
-    import binascii
+def main() -> None:
     import sys
 
     if len(sys.argv) > 1:
-        data = sys.argv[1]
+        hex_data = sys.argv[1]
     else:
-        data = sys.stdin.readline().strip()
-    data = binascii.unhexlify(data)
+        hex_data = sys.stdin.readline().strip()
+    data = bytes.fromhex(hex_data)
     m = Mnemonic("english")
     print(m.to_mnemonic(data))