def test_external_commitments(setup_podle):
"""Add this generated commitment to the external list
{txid:N:{'P':pubkey, 'reveal':{1:{'P2':P2,'s':s,'e':e}, 2:{..},..}}}
Note we do this *after* the sendpayment test so that the external
commitments will not erroneously used (they are fake).
"""
ecs = {}
tries = jm_single().config.getint("POLICY","taker_utxo_retries")
for i in range(10):
priv = os.urandom(32)
dummy_utxo = btc.sha256(priv)+":2"
ecs[dummy_utxo] = {}
ecs[dummy_utxo]['reveal']={}
for j in range(tries):
P, P2, s, e, commit = generate_single_podle_sig(priv, j)
if 'P' not in ecs[dummy_utxo]:
ecs[dummy_utxo]['P']=P
ecs[dummy_utxo]['reveal'][j] = {'P2':P2, 's':s, 'e':e}
btc.add_external_commitments(ecs)
used, external = btc.get_podle_commitments()
for u in external:
assert external[u]['P'] == ecs[u]['P']
for i in range(tries):
for x in ['P2', 's', 'e']:
assert external[u]['reveal'][str(i)][x] == ecs[u]['reveal'][i][x]
def add_external_commitments(utxo_datas):
"""Persist the PoDLE commitments for this utxo
to the commitments.json file. The number of separate
entries is dependent on the taker_utxo_retries entry, by
default 3.
"""
def generate_single_podle_sig(u, 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.
"""
#Convert priv to hex
hexpriv = btc.from_wif_privkey(priv, vbyte=get_p2pk_vbyte())
podle = btc.PoDLE(u, hexpriv)
r = podle.generate_podle(i)
return (r['P'], r['P2'], r['sig'],
r['e'], r['commit'])
ecs = {}
for u, priv in utxo_datas:
ecs[u] = {}
ecs[u]['reveal']={}
for j in range(jm_single().config.getint("POLICY", "taker_utxo_retries")):
P, P2, s, e, commit = generate_single_podle_sig(u, priv, j)
if 'P' not in ecs[u]:
ecs[u]['P']=P
ecs[u]['reveal'][j] = {'P2':P2, 's':s, 'e':e}
btc.add_external_commitments(ecs)
def test_external_commitments(setup_podle):
"""Add this generated commitment to the external list
{txid:N:{'P':pubkey, 'reveal':{1:{'P2':P2,'s':s,'e':e}, 2:{..},..}}}
Note we do this *after* the sendpayment test so that the external
commitments will not erroneously used (they are fake).
"""
ecs = {}
tries = jm_single().config.getint("POLICY", "taker_utxo_retries")
for i in range(10):
priv = os.urandom(32)
dummy_utxo = btc.sha256(priv) + ":2"
ecs[dummy_utxo] = {}
ecs[dummy_utxo]['reveal'] = {}
for j in range(tries):
P, P2, s, e, commit = generate_single_podle_sig(priv, j)
if 'P' not in ecs[dummy_utxo]:
ecs[dummy_utxo]['P'] = P
ecs[dummy_utxo]['reveal'][j] = {'P2': P2, 's': s, 'e': e}
btc.add_external_commitments(ecs)
used, external = btc.get_podle_commitments()
for u in external:
assert external[u]['P'] == ecs[u]['P']
for i in range(tries):
for x in ['P2', 's', 'e']:
assert external[u]['reveal'][str(
i)][x] == ecs[u]['reveal'][i][x]
