diff options
Diffstat (limited to 'test/functional/test_framework/script.py')
| -rw-r--r-- | test/functional/test_framework/script.py | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/test/functional/test_framework/script.py b/test/functional/test_framework/script.py index 9102266456..cc5f8307d3 100644 --- a/test/functional/test_framework/script.py +++ b/test/functional/test_framework/script.py @@ -9,6 +9,7 @@ This file is modified from python-bitcoinlib. import hashlib import struct import unittest +from typing import List, Dict from .messages import ( CTransaction, @@ -21,7 +22,7 @@ from .messages import ( ) MAX_SCRIPT_ELEMENT_SIZE = 520 -OPCODE_NAMES = {} +OPCODE_NAMES = {} # type: Dict[CScriptOp, str] def hash160(s): return hashlib.new('ripemd160', sha256(s)).digest() @@ -37,7 +38,7 @@ def bn2vch(v): # Serialize to bytes return encoded_v.to_bytes(n_bytes, 'little') -_opcode_instances = [] +_opcode_instances = [] # type: List[CScriptOp] class CScriptOp(int): """A single script opcode""" __slots__ = () @@ -731,3 +732,9 @@ class TestFrameworkScript(unittest.TestCase): self.assertEqual(bn2vch(0xFFFFFFFF), bytes([0xFF, 0xFF, 0xFF, 0xFF, 0x00])) self.assertEqual(bn2vch(123456789), bytes([0x15, 0xCD, 0x5B, 0x07])) self.assertEqual(bn2vch(-54321), bytes([0x31, 0xD4, 0x80])) + + def test_cscriptnum_encoding(self): + # round-trip negative and multi-byte CScriptNums + values = [0, 1, -1, -2, 127, 128, -255, 256, (1 << 15) - 1, -(1 << 16), (1 << 24) - 1, (1 << 31), 1 - (1 << 32), 1 << 40, 1500, -1500] + for value in values: + self.assertEqual(CScriptNum.decode(CScriptNum.encode(CScriptNum(value))), value) |