def test_version_bytes(self):
xprv_headers_b58 = {
'standard': 'tprv',
'p2wpkh-p2sh': 'uprv',
'p2wsh-p2sh': 'Uprv',
'p2wpkh': 'vprv',
'p2wsh': 'Vprv',
}
xpub_headers_b58 = {
'standard': 'tpub',
'p2wpkh-p2sh': 'upub',
'p2wsh-p2sh': 'Upub',
'p2wpkh': 'vpub',
'p2wsh': 'Vpub',
}
for xtype, xkey_header_bytes in constants.net.XPRV_HEADERS.items():
xkey_header_bytes = bfh("%08x" % xkey_header_bytes)
xkey_bytes = xkey_header_bytes + bytes([0] * 74)
xkey_b58 = EncodeBase58Check(xkey_bytes)
self.assertTrue(xkey_b58.startswith(xprv_headers_b58[xtype]))
xkey_bytes = xkey_header_bytes + bytes([255] * 74)
xkey_b58 = EncodeBase58Check(xkey_bytes)
self.assertTrue(xkey_b58.startswith(xprv_headers_b58[xtype]))
for xtype, xkey_header_bytes in constants.net.XPUB_HEADERS.items():
xkey_header_bytes = bfh("%08x" % xkey_header_bytes)
xkey_bytes = xkey_header_bytes + bytes([0] * 74)
xkey_b58 = EncodeBase58Check(xkey_bytes)
self.assertTrue(xkey_b58.startswith(xpub_headers_b58[xtype]))
xkey_bytes = xkey_header_bytes + bytes([255] * 74)
xkey_b58 = EncodeBase58Check(xkey_bytes)
self.assertTrue(xkey_b58.startswith(xpub_headers_b58[xtype]))
def test_base58check(self):
data_hex = '0cd394bef396200774544c58a5be0189f3ceb6a41c8da023b099ce547dd4d8071ed6ed647259fba8c26382edbf5165dfd2404e7a8885d88437db16947a116e451a5d1325e3fd075f9d370120d2ab537af69f32e74fc0ba53aaaa637752964b3ac95cfea7'
data_bytes = bfh(data_hex)
data_base58check = EncodeBase58Check(data_bytes)
self.assertEqual(
"4GCCJsjHqFbHxWbFBvRg35cSeNLHKeNqkXqFHW87zRmz6iP1dJU9Tk2KHZkoKj45jzVsSV4ZbQ8GpPwko6V3Z7cRfux3zJhUw7TZB6Kpa8Vdya8cMuUtL5Ry3CLtMetaY42u52X7Ey6MAH",
data_base58check)
self.assertEqual(data_bytes, DecodeBase58Check(data_base58check))
def generate_masternode_key(self):
G = generator_secp256k1
_r = G.order()
pvk = ecdsa.util.randrange(pow(2, 256)) % _r
privateKey = secret = '%064x'%pvk
prefix = bytes([constants.net.WIF_PREFIX])
suffix = b''
vchIn = prefix + bfh(secret) + suffix
base58_wif = EncodeBase58Check(vchIn)
return base58_wif