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# -*- coding: utf-8 -*-
#
# Electrum - lightweight Bitcoin client
# Copyright (C) 2018 The Electrum developers
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation files
# (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import os
import json
def read_json(filename, default):
path = os.path.join(os.path.dirname(__file__), filename)
try:
with open(path, 'r') as f:
r = json.loads(f.read())
except:
r = default
return r
class BitcoinMainnet:
TESTNET = False
WIF_PREFIX = 0x80
ADDRTYPE_P2PKH = 0
ADDRTYPE_P2SH = 5
SEGWIT_HRP = "bc"
GENESIS = "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"
DEFAULT_PORTS = {'t': '50001', 's': '50002'}
DEFAULT_SERVERS = read_json('servers.json', {})
CHECKPOINTS = read_json('checkpoints.json', [])
XPRV_HEADERS = {
'standard': 0x0488ade4, # xprv
'p2wpkh-p2sh': 0x049d7878, # yprv
'p2wsh-p2sh': 0x0295b005, # Yprv
'p2wpkh': 0x04b2430c, # zprv
'p2wsh': 0x02aa7a99, # Zprv
}
XPUB_HEADERS = {
'standard': 0x0488b21e, # xpub
'p2wpkh-p2sh': 0x049d7cb2, # ypub
'p2wsh-p2sh': 0x0295b43f, # Ypub
'p2wpkh': 0x04b24746, # zpub
'p2wsh': 0x02aa7ed3, # Zpub
}
class BitcoinTestnet:
TESTNET = True
WIF_PREFIX = 0xef
ADDRTYPE_P2PKH = 111
ADDRTYPE_P2SH = 196
SEGWIT_HRP = "tb"
GENESIS = "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"
DEFAULT_PORTS = {'t': '51001', 's': '51002'}
DEFAULT_SERVERS = read_json('servers_testnet.json', {})
CHECKPOINTS = read_json('checkpoints_testnet.json', [])
XPRV_HEADERS = {
'standard': 0x04358394, # tprv
'p2wpkh-p2sh': 0x044a4e28, # uprv
'p2wsh-p2sh': 0x024285b5, # Uprv
'p2wpkh': 0x045f18bc, # vprv
'p2wsh': 0x02575048, # Vprv
}
XPUB_HEADERS = {
'standard': 0x043587cf, # tpub
'p2wpkh-p2sh': 0x044a5262, # upub
'p2wsh-p2sh': 0x024285ef, # Upub
'p2wpkh': 0x045f1cf6, # vpub
'p2wsh': 0x02575483, # Vpub
}
# don't import net directly, import the module instead (so that net is singleton)
net = BitcoinMainnet
def set_mainnet():
global net
net = BitcoinMainnet
def set_testnet():
global net
net = BitcoinTestnet