Merge #12993: tests: Remove compatibility code not needed now when we're on Python 3

b95f9a6 tests: Remove compatibility code not needed now when we're on Python 3 (practicalswift)

Pull request description:

  Remove compatibility code not needed now when we're on Python 3.

Tree-SHA512: adc6422794ee08ee8d4c69268e74f0d3eb97c7d3c26c9573698c3305572f20d4840cf9f79fd6fbbe367699bbd95533f90fb6d8569b9787f3f9ca20a3f4c75dd7

share/rpcauth/rpcauth.py

@@ -3,7 +3,6 @@
 # Distributed under the MIT software license, see the accompanying 
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-import hashlib
 import sys
 import os
 from random import SystemRandom
@@ -25,15 +24,9 @@ hexseq = list(map(hex, salt_sequence))
 salt = "".join([x[2:] for x in hexseq])
 
 #Create 32 byte b64 password
-password = base64.urlsafe_b64encode(os.urandom(32))
+password = base64.urlsafe_b64encode(os.urandom(32)).decode("utf-8")
  
-digestmod = hashlib.sha256
-
-if sys.version_info.major >= 3:
-    password = password.decode('utf-8')
-    digestmod = 'SHA256'
- 
-m = hmac.new(bytearray(salt, 'utf-8'), bytearray(password, 'utf-8'), digestmod)
+m = hmac.new(bytearray(salt, 'utf-8'), bytearray(password, 'utf-8'), "SHA256")
 result = m.hexdigest()
 
 print("String to be appended to bitcoin.conf:")

test/functional/test_framework/key.py

@@ -10,7 +10,6 @@ This file is modified from python-bitcoinlib.
 import ctypes
 import ctypes.util
 import hashlib
-import sys
 
 ssl = ctypes.cdll.LoadLibrary(ctypes.util.find_library ('ssl') or 'libeay32')
 
@@ -223,10 +222,5 @@ class CPubKey(bytes):
         return repr(self)
 
     def __repr__(self):
-        # Always have represent as b'<secret>' so test cases don't have to
-        # change for py2/3
-        if sys.version > '3':
         return '%s(%s)' % (self.__class__.__name__, super(CPubKey, self).__repr__())
-        else:
-            return '%s(b%s)' % (self.__class__.__name__, super(CPubKey, self).__repr__())
 

test/functional/test_framework/script.py

@@ -10,15 +10,6 @@ This file is modified from python-bitcoinlib.
 from .mininode import CTransaction, CTxOut, sha256, hash256, uint256_from_str, ser_uint256, ser_string
 from binascii import hexlify
 import hashlib
-
-import sys
-bchr = chr
-bord = ord
-if sys.version > '3':
-    long = int
-    bchr = lambda x: bytes([x])
-    bord = lambda x: x
-
 import struct
 
 from .bignum import bn2vch
@@ -40,9 +31,9 @@ class CScriptOp(int):
     def encode_op_pushdata(d):
         """Encode a PUSHDATA op, returning bytes"""
         if len(d) < 0x4c:
-            return b'' + bchr(len(d)) + d # OP_PUSHDATA
+            return b'' + bytes([len(d)]) + d # OP_PUSHDATA
         elif len(d) <= 0xff:
-            return b'\x4c' + bchr(len(d)) + d # OP_PUSHDATA1
+            return b'\x4c' + bytes([len(d)]) + d # OP_PUSHDATA1
         elif len(d) <= 0xffff:
             return b'\x4d' + struct.pack(b'<H', len(d)) + d # OP_PUSHDATA2
         elif len(d) <= 0xffffffff:
@@ -388,7 +379,7 @@ class CScriptNum():
             r.append(0x80 if neg else 0)
         elif neg:
             r[-1] |= 0x80
-        return bytes(bchr(len(r)) + r)
+        return bytes(bytes([len(r)]) + r)
 
 
 class CScript(bytes):
@@ -405,17 +396,17 @@ class CScript(bytes):
     def __coerce_instance(cls, other):
         # Coerce other into bytes
         if isinstance(other, CScriptOp):
-            other = bchr(other)
+            other = bytes([other])
         elif isinstance(other, CScriptNum):
             if (other.value == 0):
-                other = bchr(CScriptOp(OP_0))
+                other = bytes([CScriptOp(OP_0)])
             else:
                 other = CScriptNum.encode(other)
         elif isinstance(other, int):
             if 0 <= other <= 16:
-                other = bytes(bchr(CScriptOp.encode_op_n(other)))
+                other = bytes(bytes([CScriptOp.encode_op_n(other)]))
             elif other == -1:
-                other = bytes(bchr(OP_1NEGATE))
+                other = bytes(bytes([OP_1NEGATE]))
             else:
                 other = CScriptOp.encode_op_pushdata(bn2vch(other))
         elif isinstance(other, (bytes, bytearray)):
@@ -458,7 +449,7 @@ class CScript(bytes):
         i = 0
         while i < len(self):
             sop_idx = i
-            opcode = bord(self[i])
+            opcode = self[i]
             i += 1
 
             if opcode > OP_PUSHDATA4:
@@ -474,21 +465,21 @@ class CScript(bytes):
                     pushdata_type = 'PUSHDATA1'
                     if i >= len(self):
                         raise CScriptInvalidError('PUSHDATA1: missing data length')
-                    datasize = bord(self[i])
+                    datasize = self[i]
                     i += 1
 
                 elif opcode == OP_PUSHDATA2:
                     pushdata_type = 'PUSHDATA2'
                     if i + 1 >= len(self):
                         raise CScriptInvalidError('PUSHDATA2: missing data length')
-                    datasize = bord(self[i]) + (bord(self[i+1]) << 8)
+                    datasize = self[i] + (self[i+1] << 8)
                     i += 2
 
                 elif opcode == OP_PUSHDATA4:
                     pushdata_type = 'PUSHDATA4'
                     if i + 3 >= len(self):
                         raise CScriptInvalidError('PUSHDATA4: missing data length')
-                    datasize = bord(self[i]) + (bord(self[i+1]) << 8) + (bord(self[i+2]) << 16) + (bord(self[i+3]) << 24)
+                    datasize = self[i] + (self[i+1] << 8) + (self[i+2] << 16) + (self[i+3] << 24)
                     i += 4
 
                 else: