def serialize_header(self, res):
s = int_to_hex(res.get('version'), 4) \
+ rev_hex(self.get_block_hash(res)) \
+ rev_hex(res.get('merkle_root')) \
+ rev_hex(res.get('claim_trie_root')) \
+ int_to_hex(int(res.get('timestamp')), 4) \
+ int_to_hex(int(res.get('bits')), 4) \
+ int_to_hex(int(res.get('nonce')), 4)
return s
def serialize_header(self, res):
s = int_to_hex(res.get('version'), 4) \
+ rev_hex(self.get_block_hash(res)) \
+ rev_hex(res.get('merkle_root')) \
+ rev_hex(res.get('claim_trie_root')) \
+ int_to_hex(int(res.get('timestamp')), 4) \
+ int_to_hex(int(res.get('bits')), 4) \
+ int_to_hex(int(res.get('nonce')), 4)
return s
def get_claim_id(self, nout):
if nout < 0:
raise IndexError
if not self._outputs[nout][0] & TYPE_CLAIM:
raise ValueError
tx_hash = rev_hex(self.hash()).decode('hex')
return encode_claim_id_hex(claim_id_hash(tx_hash, nout))
def get_claim_id(self, nout):
if nout < 0:
raise IndexError
if not self._outputs[nout][0] & TYPE_CLAIM:
raise ValueError
tx_hash = rev_hex(self.hash()).decode('hex')
return encode_claim_id_hex(claim_id_hash(tx_hash, nout))
def parse_xpubkey(cls, pubkey):
assert is_extended_pubkey(pubkey)
pk = pubkey.decode('hex')
pk = pk[1:]
xkey = EncodeBase58Check(pk[0:78])
dd = pk[78:]
s = []
while dd:
n = int(rev_hex(dd[0:2].encode('hex')), 16)
dd = dd[2:]
s.append(n)
assert len(s) == 2
return xkey, s
def parse_xpubkey(cls, pubkey):
assert is_extended_pubkey(pubkey)
pk = pubkey.decode('hex')
pk = pk[1:]
xkey = b58encode_with_checksum(pk[0:78])
dd = pk[78:]
s = []
while dd:
n = int(rev_hex(dd[0:2].encode('hex')), 16)
dd = dd[2:]
s.append(n)
assert len(s) == 2
return xkey, s
def test_claimid_hash(self):
txid = "4d08012feefec192bdb45495dcedc171a56d369539ce2d589e3e1ec81a882bb4"
nout = 1
claim_id = "a438fc7701e10e0e5c41d7a342be1190d9bed57b"
out = claim_id_hash(rev_hex(txid).decode('hex'), nout)
self.assertEqual(claim_id, rev_hex(out.encode('hex')))
def test_claimid_hash(self):
txid = "4d08012feefec192bdb45495dcedc171a56d369539ce2d589e3e1ec81a882bb4"
nout = 1
claim_id = "a438fc7701e10e0e5c41d7a342be1190d9bed57b"
out = claim_id_hash(rev_hex(txid).decode('hex'), nout)
self.assertEqual(claim_id, rev_hex(out.encode('hex')))
def CKD_pub(cK, c, n):
if n & BIP32_PRIME:
raise Exception("CKD pub error")
return _CKD_pub(cK, c, rev_hex(int_to_hex(n, 4)).decode('hex'))
def CKD_priv(k, c, n):
is_prime = n & BIP32_PRIME
return _CKD_priv(k, c, rev_hex(int_to_hex(n, 4)).decode('hex'), is_prime)
def encode_claim_id_hex(claim_id):
return rev_hex(claim_id.encode('hex'))
def decode_claim_id_hex(claim_id_hex):
return rev_hex(claim_id_hex).decode('hex')
def CKD_pub(cK, c, n):
if n & BIP32_PRIME:
raise Exception("CKD pub error")
return _CKD_pub(cK, c, rev_hex(int_to_hex(n, 4)).decode('hex'))
def CKD_priv(k, c, n):
is_prime = n & BIP32_PRIME
return _CKD_priv(k, c, rev_hex(int_to_hex(n, 4)).decode('hex'), is_prime)
def encode_claim_id_hex(claim_id):
return rev_hex(claim_id.encode('hex'))
def decode_claim_id_hex(claim_id_hex):
claim_id = rev_hex(claim_id_hex).decode('hex')
if len(claim_id) != CLAIM_ID_SIZE:
raise InvalidClaimId()
return claim_id