diff options
Diffstat (limited to 'test/functional/test_framework/script.py')
| -rw-r--r-- | test/functional/test_framework/script.py | 36 |
1 files changed, 14 insertions, 22 deletions
diff --git a/test/functional/test_framework/script.py b/test/functional/test_framework/script.py index 6fe0b445da..375d6334f7 100644 --- a/test/functional/test_framework/script.py +++ b/test/functional/test_framework/script.py @@ -1,5 +1,5 @@ #!/usr/bin/env python3 -# Copyright (c) 2015-2017 The Bitcoin Core developers +# Copyright (c) 2015-2018 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. """Functionality to build scripts, as well as SignatureHash(). @@ -7,18 +7,10 @@ This file is modified from python-bitcoinlib. """ -from .mininode import CTransaction, CTxOut, sha256, hash256, uint256_from_str, ser_uint256, ser_string +from .messages 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 +32,9 @@ 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 +380,7 @@ class CScriptNum(): r.append(0x80 if neg else 0) elif neg: r[-1] |= 0x80 - return bytes(bchr(len(r)) + r) + return bytes([len(r)]) + r class CScript(bytes): @@ -405,17 +397,17 @@ 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([CScriptOp.encode_op_n(other)]) elif other == -1: - other = bytes(bchr(OP_1NEGATE)) + other = bytes([OP_1NEGATE]) else: other = CScriptOp.encode_op_pushdata(bn2vch(other)) elif isinstance(other, (bytes, bytearray)): @@ -458,7 +450,7 @@ 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 +466,21 @@ 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: |