def test_verify_fail_f_tx_even(self):
"""Raise if inner node of merkle branch is valid tx. ('even' fake leaf position)"""
# last 32 bytes of T encoded as hash
fake_branch_node = hash_encode(bfh(VALID_64_BYTE_TX[64:]))
fake_mbranch = [fake_branch_node] + MERKLE_BRANCH
# first 32 bytes of T encoded as hash
f_tx_hash = hash_encode(bfh(VALID_64_BYTE_TX[:64]))
with self.assertRaises(InnerNodeOfSpvProofIsValidTx):
SPV.hash_merkle_root(fake_mbranch, f_tx_hash, 6)
def test_verify_ok_t_tx(self):
"""Actually mined 64 byte tx should not raise."""
t_tx = Transaction(VALID_64_BYTE_TX)
t_tx_hash = t_tx.txid()
self.assertEqual(MERKLE_ROOT, SPV.hash_merkle_root(MERKLE_BRANCH, t_tx_hash, 3))