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130 lines
3.8 KiB
130 lines
3.8 KiB
#!/usr/bin/env python2
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import json
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import os
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import collections
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HEADER_TEMPLATE = """
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// This file is automatically generated by coin_info.py -- DO NOT EDIT!
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#ifndef __COIN_INFO_H__
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#define __COIN_INFO_H__
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#include "coins.h"
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#define COINS_COUNT ({count})
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extern const CoinInfo coins[COINS_COUNT];
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#endif
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""".lstrip()
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CODE_TEMPLATE = """
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// This file is automatically generated by coin_info.py -- DO NOT EDIT!
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#include "coins.h"
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#include "curves.h"
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#include "secp256k1.h"
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const CoinInfo coins[COINS_COUNT] = {{
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{coins}
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}};
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""".lstrip()
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def format_bool(value):
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if value:
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return "true"
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else:
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return "false"
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def format_number(value):
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if value is None:
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value = 0
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return str(value)
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def format_string(value):
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if value is None:
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return "NULL"
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else:
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return json.dumps(value)
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def format_hex(value):
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if value is None:
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value = 0
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return "0x{:08x}".format(value)
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def prepend_varint(string):
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assert len(string) < 253
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varint = "\"\\x{:02x}\"".format(len(string))
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return "{} {}".format(varint, format_string(string))
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def coin_to_struct(coin):
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return collections.OrderedDict((
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("coin_name", format_string(coin["coin_name"])),
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("coin_shortcut", format_string(" " + coin["coin_shortcut"])),
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("maxfee_kb", format_number(coin["maxfee_kb"])),
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("signed_message_header", prepend_varint(coin["signed_message_header"])), # noqa: E501
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("has_address_type", format_bool(coin["address_type"] is not None)), # noqa: E501
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("has_address_type_p2sh", format_bool(coin["address_type_p2sh"] is not None)), # noqa: E501
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("has_segwit", format_bool(coin["segwit"])),
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("has_fork_id", format_bool(coin["fork_id"] is not None)),
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("force_bip143", format_bool(coin["force_bip143"])),
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("decred", format_bool(coin["decred"])),
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("address_type", format_number(coin["address_type"])),
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("address_type_p2sh", format_number(coin["address_type_p2sh"])),
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("xpub_magic", format_hex(coin["xpub_magic"])),
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("xprv_magic", format_hex(coin["xprv_magic"])),
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("fork_id", format_number(coin["fork_id"])),
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("version_group_id", format_hex(coin["version_group_id"])),
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("bech32_prefix", format_string(coin["bech32_prefix"])),
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("cashaddr_prefix", format_string(coin["cashaddr_prefix"])),
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("coin_type", "({} | 0x80000000)".format(format_number(coin["slip44"]))), # noqa: E501
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("curve_name", "{}_NAME".format(coin["curve_name"].upper())), # noqa: E501
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("curve", "&{}_info".format(coin["curve_name"])),
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))
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def format_struct(struct):
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return "{\n" + "\n".join(
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"\t.{0} = {1},".format(member, value)
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for member, value in struct.items()
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) + "\n}"
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def format_coin(coin):
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return format_struct(coin_to_struct(coin))
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def format_coins(coins):
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return "\n".join("{},".format(format_coin(coin)) for coin in coins)
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if __name__ == "__main__":
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os.chdir(os.path.abspath(os.path.dirname(__file__)))
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coins = []
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support = json.load(open('defs/support.json', 'r'), object_pairs_hook=collections.OrderedDict)
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defs = support['trezor1'].keys()
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for c in defs:
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name = c.replace(' ', '_').lower()
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if name == 'testnet':
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name = 'bitcoin_testnet'
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data = json.load(open('defs/coins/%s.json' % name, 'r'))
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coins.append(data)
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with open("coin_info.h", "w+") as f:
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f.write(HEADER_TEMPLATE.format(count=len(coins)))
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with open("coin_info.c", "w+") as f:
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f.write(CODE_TEMPLATE.format(coins=format_coins(coins)))
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