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authorDeterminant <[email protected]>2020-11-17 18:47:40 -0500
committerDeterminant <[email protected]>2020-11-17 18:47:40 -0500
commit3bef51eec2299403467e621ae660cef3f9256ac8 (patch)
tree9b72aaa95fb6dffacd8b20164699870a32ab6825 /freezed_deps/base58
parent92b8b8e9628cac41d37226416107adc76b10e01b (diff)
update frozen deps
Diffstat (limited to 'freezed_deps/base58')
-rw-r--r--freezed_deps/base58/__init__.py130
-rw-r--r--freezed_deps/base58/__main__.py47
-rw-r--r--freezed_deps/base58/py.typed1
3 files changed, 0 insertions, 178 deletions
diff --git a/freezed_deps/base58/__init__.py b/freezed_deps/base58/__init__.py
deleted file mode 100644
index ff2fa18..0000000
--- a/freezed_deps/base58/__init__.py
+++ /dev/null
@@ -1,130 +0,0 @@
-'''Base58 encoding
-
-Implementations of Base58 and Base58Check encodings that are compatible
-with the bitcoin network.
-'''
-
-# This module is based upon base58 snippets found scattered over many bitcoin
-# tools written in python. From what I gather the original source is from a
-# forum post by Gavin Andresen, so direct your praise to him.
-# This module adds shiny packaging and support for python3.
-
-from hashlib import sha256
-from typing import Union
-
-__version__ = '2.0.1'
-
-# 58 character alphabet used
-BITCOIN_ALPHABET = \
- b'123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
-RIPPLE_ALPHABET = b'rpshnaf39wBUDNEGHJKLM4PQRST7VWXYZ2bcdeCg65jkm8oFqi1tuvAxyz'
-
-# Retro compatibility
-alphabet = BITCOIN_ALPHABET
-
-
-def scrub_input(v: Union[str, bytes]) -> bytes:
- if isinstance(v, str):
- v = v.encode('ascii')
-
- return v
-
-
-def b58encode_int(
- i: int, default_one: bool = True, alphabet: bytes = BITCOIN_ALPHABET
-) -> bytes:
- """
- Encode an integer using Base58
- """
- if not i and default_one:
- return alphabet[0:1]
- string = b""
- while i:
- i, idx = divmod(i, 58)
- string = alphabet[idx:idx+1] + string
- return string
-
-
-def b58encode(
- v: Union[str, bytes], alphabet: bytes = BITCOIN_ALPHABET
-) -> bytes:
- """
- Encode a string using Base58
- """
- v = scrub_input(v)
-
- nPad = len(v)
- v = v.lstrip(b'\0')
- nPad -= len(v)
-
- p, acc = 1, 0
- for c in reversed(v):
- acc += p * c
- p = p << 8
- result = b58encode_int(acc, default_one=False, alphabet=alphabet)
- return alphabet[0:1] * nPad + result
-
-
-def b58decode_int(
- v: Union[str, bytes], alphabet: bytes = BITCOIN_ALPHABET
-) -> int:
- """
- Decode a Base58 encoded string as an integer
- """
- v = v.rstrip()
- v = scrub_input(v)
-
- decimal = 0
- for char in v:
- decimal = decimal * 58 + alphabet.index(char)
- return decimal
-
-
-def b58decode(
- v: Union[str, bytes], alphabet: bytes = BITCOIN_ALPHABET
-) -> bytes:
- """
- Decode a Base58 encoded string
- """
- v = v.rstrip()
- v = scrub_input(v)
-
- origlen = len(v)
- v = v.lstrip(alphabet[0:1])
- newlen = len(v)
-
- acc = b58decode_int(v, alphabet=alphabet)
-
- result = []
- while acc > 0:
- acc, mod = divmod(acc, 256)
- result.append(mod)
-
- return b'\0' * (origlen - newlen) + bytes(reversed(result))
-
-
-def b58encode_check(
- v: Union[str, bytes], alphabet: bytes = BITCOIN_ALPHABET
-) -> bytes:
- """
- Encode a string using Base58 with a 4 character checksum
- """
- v = scrub_input(v)
-
- digest = sha256(sha256(v).digest()).digest()
- return b58encode(v + digest[:4], alphabet=alphabet)
-
-
-def b58decode_check(
- v: Union[str, bytes], alphabet: bytes = BITCOIN_ALPHABET
-) -> bytes:
- '''Decode and verify the checksum of a Base58 encoded string'''
-
- result = b58decode(v, alphabet=alphabet)
- result, check = result[:-4], result[-4:]
- digest = sha256(sha256(result).digest()).digest()
-
- if check != digest[:4]:
- raise ValueError("Invalid checksum")
-
- return result
diff --git a/freezed_deps/base58/__main__.py b/freezed_deps/base58/__main__.py
deleted file mode 100644
index b76fdad..0000000
--- a/freezed_deps/base58/__main__.py
+++ /dev/null
@@ -1,47 +0,0 @@
-import argparse
-import sys
-
-from base58 import b58decode, b58decode_check, b58encode, b58encode_check
-
-
-def main():
- '''Base58 encode or decode FILE, or standard input, to standard output.'''
-
- stdout = sys.stdout.buffer
-
- parser = argparse.ArgumentParser(description=main.__doc__)
- parser.add_argument(
- 'file',
- metavar='FILE',
- nargs='?',
- type=argparse.FileType('r'),
- default='-')
- parser.add_argument(
- '-d', '--decode',
- action='store_true',
- help='decode data')
- parser.add_argument(
- '-c', '--check',
- action='store_true',
- help='append a checksum before encoding')
-
- args = parser.parse_args()
- fun = {
- (False, False): b58encode,
- (False, True): b58encode_check,
- (True, False): b58decode,
- (True, True): b58decode_check
- }[(args.decode, args.check)]
-
- data = args.file.buffer.read()
-
- try:
- result = fun(data)
- except Exception as e:
- sys.exit(e)
-
- stdout.write(result)
-
-
-if __name__ == '__main__':
- main()
diff --git a/freezed_deps/base58/py.typed b/freezed_deps/base58/py.typed
deleted file mode 100644
index e5aff4f..0000000
--- a/freezed_deps/base58/py.typed
+++ /dev/null
@@ -1 +0,0 @@
-# Marker file for PEP 561. \ No newline at end of file