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implement script_num_to_hex

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This commit is contained in:
SomberNight
2018-04-13 20:14:54 +02:00
parent 376a815458
commit 4b89b1e270
2 changed files with 40 additions and 1 deletions
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18
lib/tests/test_bitcoin.py
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@@ -11,7 +11,8 @@ from lib.bitcoin import (
var_int, op_push, address_to_script, regenerate_key,
verify_message, deserialize_privkey, serialize_privkey, is_segwit_address,
is_b58_address, address_to_scripthash, is_minikey, is_compressed, is_xpub,
xpub_type, is_xprv, is_bip32_derivation, seed_type, EncodeBase58Check)
xpub_type, is_xprv, is_bip32_derivation, seed_type, EncodeBase58Check,
script_num_to_hex)
from lib.util import bfh
from lib import constants
@@ -150,6 +151,21 @@ class Test_bitcoin(unittest.TestCase):
self.assertEqual(op_push(0x10000), '4e00000100')
self.assertEqual(op_push(0x12345678), '4e78563412')
def test_script_num_to_hex(self):
# test vectors from https://github.com/btcsuite/btcd/blob/fdc2bc867bda6b351191b5872d2da8270df00d13/txscript/scriptnum.go#L77
self.assertEqual(script_num_to_hex(127), '7f')
self.assertEqual(script_num_to_hex(-127), 'ff')
self.assertEqual(script_num_to_hex(128), '8000')
self.assertEqual(script_num_to_hex(-128), '8080')
self.assertEqual(script_num_to_hex(129), '8100')
self.assertEqual(script_num_to_hex(-129), '8180')
self.assertEqual(script_num_to_hex(256), '0001')
self.assertEqual(script_num_to_hex(-256), '0081')
self.assertEqual(script_num_to_hex(32767), 'ff7f')
self.assertEqual(script_num_to_hex(-32767), 'ffff')
self.assertEqual(script_num_to_hex(32768), '008000')
self.assertEqual(script_num_to_hex(-32768), '008080')
def test_address_to_script(self):
# bech32 native segwit
# test vectors from BIP-0173