Host-customized fork of https://github.com/tecnovert/basicswap/
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50 lines
1.3 KiB
50 lines
1.3 KiB
# -*- coding: utf-8 -*- |
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# Copyright (c) 2024 tecnovert |
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# Distributed under the MIT software license, see the accompanying |
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# file LICENSE or http://www.opensource.org/licenses/mit-license.php. |
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OP_0 = 0x00 |
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OP_DATA_1 = 0x01 |
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OP_1NEGATE = 0x4f |
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OP_1 = 0x51 |
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OP_IF = 0x63 |
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OP_ELSE = 0x67 |
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OP_ENDIF = 0x68 |
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OP_DROP = 0x75 |
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OP_DUP = 0x76 |
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OP_EQUAL = 0x87 |
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OP_EQUALVERIFY = 0x88 |
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OP_PUSHDATA1 = 0x4c |
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OP_PUSHDATA2 = 0x4d |
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OP_PUSHDATA4 = 0x4e |
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OP_HASH160 = 0xa9 |
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OP_CHECKSIG = 0xac |
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OP_CHECKMULTISIG = 0xae |
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OP_CHECKSEQUENCEVERIFY = 0xb2 |
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def push_script_data(data_array: bytearray, data: bytes) -> None: |
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len_data: int = len(data) |
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if len_data == 0 or (len_data == 1 and data[0] == 0): |
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data_array += bytes((OP_0,)) |
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return |
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if len_data == 1 and data[0] <= 16: |
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data_array += bytes((OP_1 - 1 + data[0],)) |
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return |
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if len_data == 1 and data[0] == 0x81: |
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data_array += bytes((OP_1NEGATE,)) |
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return |
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if len_data < OP_PUSHDATA1: |
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data_array += len_data.to_bytes(1) |
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elif len_data <= 0xff: |
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data_array += bytes((OP_PUSHDATA1, len_data)) |
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elif len_data <= 0xffff: |
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data_array += bytes((OP_PUSHDATA2,)) + len_data.to_bytes(2, 'little') |
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else: |
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data_array += bytes((OP_PUSHDATA4,)) + len_data.to_bytes(4, 'little') |
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data_array += data
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