2f1095510c
Instead of some functions operating with hex strings, and others using bytes, this consolidates most things to use bytes. This mainly focuses on bitcoin.py and transaction.py, and then adapts the API usages in other files. Notably, - scripts, - pubkeys, - signatures should be bytes in almost all places now.
217 lines
6.3 KiB
Python
217 lines
6.3 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Electrum - lightweight Bitcoin client
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# Copyright (C) 2018 The Electrum developers
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import os
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import json
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from typing import Sequence, Tuple, Mapping, Type
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from .util import inv_dict, all_subclasses
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from . import bitcoin
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def read_json(filename, default):
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path = os.path.join(os.path.dirname(__file__), filename)
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try:
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with open(path, 'r') as f:
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r = json.loads(f.read())
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except Exception:
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r = default
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return r
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GIT_REPO_URL = "https://github.com/spesmilo/electrum"
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GIT_REPO_ISSUES_URL = "https://github.com/spesmilo/electrum/issues"
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BIP39_WALLET_FORMATS = read_json('bip39_wallet_formats.json', [])
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class AbstractNet:
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NET_NAME: str
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TESTNET: bool
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WIF_PREFIX: int
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ADDRTYPE_P2PKH: int
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ADDRTYPE_P2SH: int
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SEGWIT_HRP: str
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BOLT11_HRP: str
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GENESIS: str
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BLOCK_HEIGHT_FIRST_LIGHTNING_CHANNELS: int = 0
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BIP44_COIN_TYPE: int
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LN_REALM_BYTE: int
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DEFAULT_PORTS: Mapping[str, str]
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DEFAULT_SERVERS: Mapping[str, Mapping[str, str]]
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CHECKPOINTS: Sequence[Tuple[str, int]]
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LN_DNS_SEEDS: Sequence[str]
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XPRV_HEADERS: Mapping[str, int]
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XPRV_HEADERS_INV: Mapping[int, str]
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XPUB_HEADERS: Mapping[str, int]
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XPUB_HEADERS_INV: Mapping[int, str]
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@classmethod
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def max_checkpoint(cls) -> int:
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return max(0, len(cls.CHECKPOINTS) * 2016 - 1)
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@classmethod
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def rev_genesis_bytes(cls) -> bytes:
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return bytes.fromhex(cls.GENESIS)[::-1]
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class BitcoinMainnet(AbstractNet):
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NET_NAME = "mainnet"
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TESTNET = False
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WIF_PREFIX = 0x80
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ADDRTYPE_P2PKH = 0
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ADDRTYPE_P2SH = 5
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SEGWIT_HRP = "bc"
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BOLT11_HRP = SEGWIT_HRP
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GENESIS = "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"
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DEFAULT_PORTS = {'t': '50001', 's': '50002'}
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DEFAULT_SERVERS = read_json('servers.json', {})
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CHECKPOINTS = read_json('checkpoints.json', [])
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BLOCK_HEIGHT_FIRST_LIGHTNING_CHANNELS = 497000
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XPRV_HEADERS = {
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'standard': 0x0488ade4, # xprv
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'p2wpkh-p2sh': 0x049d7878, # yprv
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'p2wsh-p2sh': 0x0295b005, # Yprv
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'p2wpkh': 0x04b2430c, # zprv
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'p2wsh': 0x02aa7a99, # Zprv
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}
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XPRV_HEADERS_INV = inv_dict(XPRV_HEADERS)
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XPUB_HEADERS = {
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'standard': 0x0488b21e, # xpub
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'p2wpkh-p2sh': 0x049d7cb2, # ypub
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'p2wsh-p2sh': 0x0295b43f, # Ypub
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'p2wpkh': 0x04b24746, # zpub
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'p2wsh': 0x02aa7ed3, # Zpub
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}
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XPUB_HEADERS_INV = inv_dict(XPUB_HEADERS)
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BIP44_COIN_TYPE = 0
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LN_REALM_BYTE = 0
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LN_DNS_SEEDS = [
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'nodes.lightning.directory.',
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'lseed.bitcoinstats.com.',
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'lseed.darosior.ninja',
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]
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class BitcoinTestnet(AbstractNet):
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NET_NAME = "testnet"
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TESTNET = True
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WIF_PREFIX = 0xef
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ADDRTYPE_P2PKH = 111
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ADDRTYPE_P2SH = 196
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SEGWIT_HRP = "tb"
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BOLT11_HRP = SEGWIT_HRP
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GENESIS = "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"
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DEFAULT_PORTS = {'t': '51001', 's': '51002'}
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DEFAULT_SERVERS = read_json('servers_testnet.json', {})
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CHECKPOINTS = read_json('checkpoints_testnet.json', [])
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XPRV_HEADERS = {
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'standard': 0x04358394, # tprv
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'p2wpkh-p2sh': 0x044a4e28, # uprv
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'p2wsh-p2sh': 0x024285b5, # Uprv
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'p2wpkh': 0x045f18bc, # vprv
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'p2wsh': 0x02575048, # Vprv
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}
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XPRV_HEADERS_INV = inv_dict(XPRV_HEADERS)
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XPUB_HEADERS = {
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'standard': 0x043587cf, # tpub
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'p2wpkh-p2sh': 0x044a5262, # upub
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'p2wsh-p2sh': 0x024289ef, # Upub
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'p2wpkh': 0x045f1cf6, # vpub
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'p2wsh': 0x02575483, # Vpub
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}
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XPUB_HEADERS_INV = inv_dict(XPUB_HEADERS)
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BIP44_COIN_TYPE = 1
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LN_REALM_BYTE = 1
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LN_DNS_SEEDS = [ # TODO investigate this again
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#'test.nodes.lightning.directory.', # times out.
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#'lseed.bitcoinstats.com.', # ignores REALM byte and returns mainnet peers...
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]
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class BitcoinRegtest(BitcoinTestnet):
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NET_NAME = "regtest"
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SEGWIT_HRP = "bcrt"
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BOLT11_HRP = SEGWIT_HRP
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GENESIS = "0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"
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DEFAULT_SERVERS = read_json('servers_regtest.json', {})
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CHECKPOINTS = []
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LN_DNS_SEEDS = []
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class BitcoinSimnet(BitcoinTestnet):
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NET_NAME = "simnet"
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WIF_PREFIX = 0x64
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ADDRTYPE_P2PKH = 0x3f
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ADDRTYPE_P2SH = 0x7b
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SEGWIT_HRP = "sb"
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BOLT11_HRP = SEGWIT_HRP
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GENESIS = "683e86bd5c6d110d91b94b97137ba6bfe02dbbdb8e3dff722a669b5d69d77af6"
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DEFAULT_SERVERS = read_json('servers_regtest.json', {})
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CHECKPOINTS = []
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LN_DNS_SEEDS = []
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class BitcoinSignet(BitcoinTestnet):
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NET_NAME = "signet"
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BOLT11_HRP = "tbs"
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GENESIS = "00000008819873e925422c1ff0f99f7cc9bbb232af63a077a480a3633bee1ef6"
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DEFAULT_SERVERS = read_json('servers_signet.json', {})
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CHECKPOINTS = []
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LN_DNS_SEEDS = []
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NETS_LIST = tuple(all_subclasses(AbstractNet))
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# don't import net directly, import the module instead (so that net is singleton)
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net = BitcoinMainnet # type: Type[AbstractNet]
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def set_signet():
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global net
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net = BitcoinSignet
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def set_simnet():
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global net
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net = BitcoinSimnet
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def set_mainnet():
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global net
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net = BitcoinMainnet
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def set_testnet():
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global net
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net = BitcoinTestnet
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def set_regtest():
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global net
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net = BitcoinRegtest
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