From a791dddb64701510b5408d8ed92c3bedda44dfc0 Mon Sep 17 00:00:00 2001
From: Moul <moul@moul.re>
Date: Sat, 17 Oct 2020 12:28:24 +0200
Subject: [PATCH] [mod] #176: Get rid of base58 code
---
silkaj/crypto_tools.py | 57 ------------------------------------------
1 file changed, 57 deletions(-)
diff --git a/silkaj/crypto_tools.py b/silkaj/crypto_tools.py
index 88ce3fea..89a80576 100644
--- a/silkaj/crypto_tools.py
+++ b/silkaj/crypto_tools.py
@@ -82,60 +82,3 @@ def gen_checksum(pubkey):
pubkey_byte = base58.b58decode(pubkey)
hash = hashlib.sha256(hashlib.sha256(pubkey_byte).digest()).digest()
return base58.b58encode(hash)[:3].decode("utf-8")
-
-
-b58_digits = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
-
-
-def b58_encode(b):
-
- # Convert big-endian bytes to integer
- n = int("0x0" + encoding.HexEncoder.encode(b).decode("utf8"), 16)
-
- # Divide that integer into base58
- res = []
- while n > 0:
- n, r = divmod(n, 58)
- res.append(b58_digits[r])
- res = "".join(res[::-1])
-
- # Encode leading zeros as base58 zeros
- czero = 0
- pad = 0
- for c in b:
- if c == czero:
- pad += 1
- else:
- break
- return b58_digits[0] * pad + res
-
-
-def b58_decode(s):
- if not s:
- return b""
-
- # Convert the string to an integer
- n = 0
- for c in s:
- n *= 58
- if c not in b58_digits:
- raise InvalidBase58Error(
- "Character %r is not a " + "valid base58 character" % c
- )
- digit = b58_digits.index(c)
- n += digit
-
- # Convert the integer to bytes
- h = "%x" % n
- if len(h) % 2:
- h = "0" + h
- res = encoding.HexEncoder.decode(h.encode("utf8"))
-
- # Add padding back.
- pad = 0
- for c in s[:-1]:
- if c == b58_digits[0]:
- pad += 1
- else:
- break
- return b"\x00" * pad + res
--
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