Merge pull request #3898 from SomberNight/bip32_versions_testnet
bip32 version numbers (xpub headers): use t/u/U/v/V for testnet
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commit
395f9c9679
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@ -47,28 +47,6 @@ def read_json(filename, default):
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return r
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# Version numbers for BIP32 extended keys
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# standard: xprv, xpub
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# segwit in p2sh: yprv, ypub
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# native segwit: zprv, zpub
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XPRV_HEADERS = {
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'standard': 0x0488ade4,
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'p2wpkh-p2sh': 0x049d7878,
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'p2wsh-p2sh': 0x295b005,
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'p2wpkh': 0x4b2430c,
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'p2wsh': 0x2aa7a99
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}
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XPUB_HEADERS = {
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'standard': 0x0488b21e,
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'p2wpkh-p2sh': 0x049d7cb2,
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'p2wsh-p2sh': 0x295b43f,
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'p2wpkh': 0x4b24746,
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'p2wsh': 0x2aa7ed3
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}
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class NetworkConstants:
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@classmethod
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@ -83,6 +61,21 @@ class NetworkConstants:
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cls.DEFAULT_SERVERS = read_json('servers.json', {})
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cls.CHECKPOINTS = read_json('checkpoints.json', [])
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cls.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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cls.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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@classmethod
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def set_testnet(cls):
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cls.TESTNET = True
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@ -95,6 +88,21 @@ class NetworkConstants:
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cls.DEFAULT_SERVERS = read_json('servers_testnet.json', {})
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cls.CHECKPOINTS = read_json('checkpoints_testnet.json', [])
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cls.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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cls.XPUB_HEADERS = {
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'standard': 0x043587cf, # tpub
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'p2wpkh-p2sh': 0x044a5262, # upub
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'p2wsh-p2sh': 0x024285ef, # Upub
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'p2wpkh': 0x045f1cf6, # vpub
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'p2wsh': 0x02575483, # Vpub
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}
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NetworkConstants.set_mainnet()
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@ -893,11 +901,11 @@ def _CKD_pub(cK, c, s):
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def xprv_header(xtype):
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return bfh("%08x" % XPRV_HEADERS[xtype])
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return bfh("%08x" % NetworkConstants.XPRV_HEADERS[xtype])
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def xpub_header(xtype):
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return bfh("%08x" % XPUB_HEADERS[xtype])
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return bfh("%08x" % NetworkConstants.XPUB_HEADERS[xtype])
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def serialize_xprv(xtype, c, k, depth=0, fingerprint=b'\x00'*4, child_number=b'\x00'*4):
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@ -919,7 +927,7 @@ def deserialize_xkey(xkey, prv):
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child_number = xkey[9:13]
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c = xkey[13:13+32]
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header = int('0x' + bh2u(xkey[0:4]), 16)
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headers = XPRV_HEADERS if prv else XPUB_HEADERS
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headers = NetworkConstants.XPRV_HEADERS if prv else NetworkConstants.XPUB_HEADERS
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if header not in headers.values():
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raise BaseException('Invalid xpub format', hex(header))
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xtype = list(headers.keys())[list(headers.values()).index(header)]
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