def generate_single_podle_sig(priv, i):
"""Make a podle entry for key priv at index i, using a dummy utxo value.
This calls the underlying 'raw' code based on the class PoDLE, not the
library 'generate_podle' which intelligently searches and updates commitments.
"""
dummy_utxo = bitcoin.b2x(bitcoin.Hash(priv)) + ":3"
podle = PoDLE(dummy_utxo, priv)
r = podle.generate_podle(i)
return (r['P'], r['P2'], r['sig'],
r['e'], r['commit'])
def test_bip143_tv():
# p2sh-p2wpkh case:
rawtx_hex = "0100000001db6b1b20aa0fd7b23880be2ecbd4a98130974cf4748fb66092ac4d3ceb1a54770100000000feffffff02b8b4eb0b000000001976a914a457b684d7f0d539a46a45bbc043f35b59d0d96388ac0008af2f000000001976a914fd270b1ee6abcaea97fea7ad0402e8bd8ad6d77c88ac92040000"
inp_spk_hex = "a9144733f37cf4db86fbc2efed2500b4f4e49f31202387"
value = 10
redeemScript = "001479091972186c449eb1ded22b78e40d009bdf0089"
privkey_hex = "eb696a065ef48a2192da5b28b694f87544b30fae8327c4510137a922f32c6dcf01"
pubkey_hex = "03ad1d8e89212f0b92c74d23bb710c00662ad1470198ac48c43f7d6f93a2a26873"
tx = btc.CMutableTransaction.deserialize(btc.x(rawtx_hex))
btc.sign(tx, 0, btc.x(privkey_hex), amount=btc.coins_to_satoshi(10), native=False)
expectedsignedtx = "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"
assert btc.b2x(tx.serialize()) == expectedsignedtx
def test_commitment_retries(setup_podle):
"""Assumes no external commitments available.
Generate pretend priv/utxo pairs and check that they can be used
taker_utxo_retries times.
"""
allowed = jm_single().config.getint("POLICY", "taker_utxo_retries")
#make some pretend commitments
dummy_priv_utxo_pairs = [(bitcoin.Hash(os.urandom(10)),
bitcoin.b2x(bitcoin.Hash(os.urandom(10)))+":0") for _ in range(10)]
#test a single commitment request of all 10
for x in dummy_priv_utxo_pairs:
p = generate_podle([x], allowed)
assert p
#At this point slot 0 has been taken by all 10.
for i in range(allowed-1):
p = generate_podle(dummy_priv_utxo_pairs[:1], allowed)
assert p
p = generate_podle(dummy_priv_utxo_pairs[:1], allowed)
assert p is None