Merge pull request #2877 from SomberNight/bech32_scriptpubkeys
fix bech32 scriptPubKeys (OP_n), and tests
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18182998b3
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@ -337,7 +337,10 @@ def script_to_p2wsh(script):
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def address_to_script(addr):
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if is_segwit_address(addr):
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witver, witprog = segwit_addr.decode(SEGWIT_HRP, addr)
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script = bytes([witver]).hex() + push_script(bytes(witprog).hex())
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assert (0 <= witver <= 16)
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OP_n = witver + 0x50 if witver > 0 else 0
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script = bytes([OP_n]).hex()
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script += push_script(bytes(witprog).hex())
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return script
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addrtype, hash_160 = b58_address_to_hash160(addr)
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if addrtype == ADDRTYPE_P2PKH:
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@ -13,7 +13,7 @@ from lib.bitcoin import (
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bip32_root, bip32_public_derivation, bip32_private_derivation, pw_encode,
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pw_decode, Hash, public_key_from_private_key, address_from_private_key,
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is_address, is_private_key, xpub_from_xprv, is_new_seed, is_old_seed,
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var_int, op_push)
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var_int, op_push, address_to_script)
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from lib.util import bfh
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try:
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@ -155,6 +155,23 @@ class Test_bitcoin(unittest.TestCase):
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self.assertEqual(op_push(0x10000), '4e00000100')
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self.assertEqual(op_push(0x12345678), '4e78563412')
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# TODO testnet addresses
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def test_address_to_script(self):
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# bech32 native segwit
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# test vectors from BIP-0173
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self.assertEqual(address_to_script('BC1QW508D6QEJXTDG4Y5R3ZARVARY0C5XW7KV8F3T4'), '0014751e76e8199196d454941c45d1b3a323f1433bd6')
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self.assertEqual(address_to_script('bc1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7k7grplx'), '5128751e76e8199196d454941c45d1b3a323f1433bd6751e76e8199196d454941c45d1b3a323f1433bd6')
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self.assertEqual(address_to_script('BC1SW50QA3JX3S'), '6002751e')
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self.assertEqual(address_to_script('bc1zw508d6qejxtdg4y5r3zarvaryvg6kdaj'), '5210751e76e8199196d454941c45d1b3a323')
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# base58 P2PKH
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self.assertEqual(address_to_script('14gcRovpkCoGkCNBivQBvw7eso7eiNAbxG'), '76a91428662c67561b95c79d2257d2a93d9d151c977e9188ac')
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self.assertEqual(address_to_script('1BEqfzh4Y3zzLosfGhw1AsqbEKVW6e1qHv'), '76a914704f4b81cadb7bf7e68c08cd3657220f680f863c88ac')
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# base58 P2SH
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self.assertEqual(address_to_script('35ZqQJcBQMZ1rsv8aSuJ2wkC7ohUCQMJbT'), 'a9142a84cf00d47f699ee7bbc1dea5ec1bdecb4ac15487')
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self.assertEqual(address_to_script('3PyjzJ3im7f7bcV724GR57edKDqoZvH7Ji'), 'a914f47c8954e421031ad04ecd8e7752c9479206b9d387')
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class Test_keyImport(unittest.TestCase):
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""" The keys used in this class are TEST keys from
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