def test_simulation_xcp():
# fund server
for i in range(2):
address = lib.get_funding_addresses([ASSET])[ASSET]
rawtx = api.create_send(**{
'source': FUNDING_ADDRESS,
'destination': address,
'asset': ASSET,
'quantity': 1000000,
'regular_dust_size': 1000000
})
api.sendrawtransaction(tx_hex=rawtx)
# connect clients
clients = []
for i in range(2):
bob_wif = util.gen_funded_wif(ASSET, 1000000, 1000000)
client = Mph(util.MockAPI(auth_wif=bob_wif))
txid = client.connect(1000000, 65535, asset=ASSET)
assert txid is not None
status = client.get_status()
assert status["send_balance"] == 1000000
assert status["send_deposit_ttl"] is not None
assert status["recv_deposit_ttl"] is None # hub deposit not yet made
clients.append(client)
# server funds deposits
cron.run_all()
for client in clients:
status = client.get_status()
assert status["recv_deposit_ttl"] is not None # hub deposit now made
def connect(asset, quantity, expire_time=1024, delay_time=2):
""" Create micropayment connection with hub.
Args:
asset (str): Asset to exchange in connection.
quantity (str): Quantity to be bound in the deposit, this determins
the maximum amount that can bet transferred.
expire_time (int, default=1024): Time in blocks after which the
deposit expires and can be recovered.
delay_time (int, default=2): Blocks hub must wait before payout,
protects against publish revoked commits.
Returns:
{
"send_deposit_txid": "published bitcoin transaction id",
"handle": "handle for created connection"
}
"""
# connect to hub
client = Mph(_hub_api())
send_deposit_txid = client.connect(quantity,
expire_time=expire_time,
asset=asset,
delay_time=delay_time)
# save to data
data = _load_data()
data["connections"][client.handle] = client.serialize()
_save_data(data)
return {"send_deposit_txid": send_deposit_txid, "handle": client.handle}
def test_hub_lacks_funds(server_db):
try:
auth_wif = util.gen_funded_wif("XCP", 1000000, 1000000)
client = Mph(util.MockAPI(auth_wif=auth_wif))
client.connect(1000000, 65535, asset="XCP")
cron.fund_deposits()
assert False
except err.InsufficientFunds:
assert True
def test_serialization():
auth_wif = util.gen_funded_wif("XCP", 1000000, 1000000)
hub_api = util.MockAPI(auth_wif=auth_wif)
client_alpha = Mph(hub_api)
serialized_alpha = client_alpha.serialize()
client_beta = Mph.deserialize(api=hub_api, data=serialized_alpha)
serialized_beta = client_beta.serialize()
assert serialized_alpha == serialized_beta
def sync(handle=None):
""" Sync payments and recover funds from closed connections.
This WILL cost a fee per channnel synced as defined in the hub terms.
* Synchronize open connections to send/receive payments.
* Recover funds of closed connections.
Args:
handle (str, default=None): Optionally limit to given handle.
Returns:
{
"connection handle": {
"rawtxs": ["of transactions publish while recovering funds"],
"received_payments": [
{
"payer_handle": "sender handle",
"amount": 1337,
"token": "provided by sender"
}
]
}
}
"""
result = {}
hub_api = _hub_api()
data = _load_data()
for _handle, connection_data in copy.deepcopy(data)["connections"].items():
if handle is not None and _handle != handle:
continue
client = Mph.deserialize(hub_api, connection_data)
if client.can_cull():
continue # dont sync closed inactive
status = client.get_status()
# sync open connections
if status["status"] == "open":
result[_handle] = {
"rawtxs": [],
"received_payments": client.sync()
}
# update closed connections
elif status["status"] == "closed":
result[_handle] = {
"rawtxs": client.update(),
"received_payments": []
}
data["connections"][client.handle] = client.serialize()
_save_data(data)
return result
def status(handle=None, verbose=False):
""" Get status of connections and wallet.
Args:
handle (str, default=None): Optionally limit to given handle.
verbose (bool, default=False): Optionally show additional information.
Returns:
{
"connections": {
"a0b206d1f68edb1aa24084752b5693a9022349dc547fb9952aa510003e93": {
"asset": "XCP",
"balance": 31337,
"status": "open",
"ttl": 404
}
},
"wallet": {
"address": "n2WQGAvnDS1vf7uXToLou6kLxJXRGFHo2b",
"balances": {
"BTC": 926109330,
"XCP": 140982404156
}
}
}
"""
data = _load_data()
hub_api = _hub_api()
result = {
"connections": {},
"wallet": {
"address": keys.address_from_wif(load_wif()),
"balances": balances()
}
}
for _handle, connection_data in data["connections"].items():
if handle is not None and _handle != handle:
continue
client = Mph.deserialize(hub_api, connection_data)
status = client.get_status()
if verbose:
status["data"] = connection_data
result["connections"][_handle] = status
else:
result["connections"][_handle] = {
"asset": status["asset"],
"balance": status["balance"],
"ttl": status["ttl"],
"status": status["status"],
"payments_queued": connection_data["payments_queued"]
}
return result
def connect(asset, quantity, expire_time=1024, delay_time=2):
""" Create micropayment connection with hub.
Args:
asset (str): Asset to exchange in connection.
quantity (str): Quantity to be bound in the deposit, this determins
the maximum amount that can bet transferred.
expire_time (int, default=1024): Time in blocks after which the
deposit expires and can be recovered.
delay_time (int, default=2): Blocks hub must wait before payout,
protects against publish revoked commits.
Returns:
{
"send_deposit_txid": "published bitcoin transaction id",
"handle": "handle for created connection"
}
"""
# check if funds available
_status = status()
_quantity = _status["wallet"]["balances"].get(asset, 0)
err_msg = "Insufficient {0}: {1} required, {2} available!"
assert _quantity > quantity, err_msg.format(asset, quantity, _quantity)
# connect to hub
client = Mph(_hub_api())
send_deposit_txid = client.connect(quantity, expire_time=expire_time,
asset=asset, delay_time=delay_time)
# save to data
data = _load_data()
data["connections"][client.handle] = client.serialize()
_save_data(data)
return {
"send_deposit_txid": send_deposit_txid,
"handle": client.handle
}
def connected_clients():
# create asset
unsigned_rawtx = api.create_issuance(
source=FUNDING_ADDRESS,
asset="A7736697071037023001",
quantity=100000000
)
signed_rawtx = scripts.sign_deposit(
get_txs, FUNDING_WIF, unsigned_rawtx
)
api.sendrawtransaction(tx_hex=signed_rawtx)
# fund server
for i in range(3):
address = lib.get_funding_address()
for asset in ["XCP", "A7736697071037023001"]:
unsigned_rawtx = api.create_send(**{
'source': FUNDING_ADDRESS,
'destination': address,
'asset': asset,
'quantity': 1000000,
'regular_dust_size': 1000000
})
signed_rawtx = scripts.sign_deposit(
get_txs, FUNDING_WIF, unsigned_rawtx
)
api.sendrawtransaction(tx_hex=signed_rawtx)
# connect clients
clients = []
# fund XCP clients
for i in range(3):
wif = util.gen_funded_wif("XCP", 1000000, 1000000)
client = Mph(util.MockAPI(auth_wif=wif))
client.connect(1000000, expire_time=42, asset="XCP")
clients.append(client)
# fund A7736697071037023001 clients
for i in range(3):
wif = util.gen_funded_wif("A7736697071037023001", 1000000, 1000000)
client = Mph(util.MockAPI(auth_wif=wif))
client.connect(1000000, expire_time=42, asset="A7736697071037023001")
clients.append(client)
cron.fund_deposits()
return clients
def test_simulation_xcp():
# fund server
for i in range(2):
address = lib.get_funding_address()
unsigned_rawtx = api.create_send(**{
'source': FUNDING_ADDRESS,
'destination': address,
'asset': ASSET,
'quantity': 1000000,
'regular_dust_size': 1000000
})
signed_rawtx = scripts.sign_deposit(
get_txs, FUNDING_WIF, unsigned_rawtx)
api.sendrawtransaction(tx_hex=signed_rawtx)
# connect clients
clients = []
for i in range(2):
bob_wif = util.gen_funded_wif(ASSET, 1000000, 1000000)
client = Mph(util.MockAPI(auth_wif=bob_wif))
txid = client.connect(1000000, 65535, asset=ASSET)
assert txid is not None
status = client.get_status()
assert status["send_balance"] == 1000000
assert status["send_deposit_ttl"] is not None
assert status["recv_deposit_ttl"] is None # hub deposit not yet made
clients.append(client)
# server funds deposits
cron.run_all()
for client in clients:
status = client.get_status()
assert status["recv_deposit_ttl"] is not None # hub deposit now made
def close(handle):
""" Close open connection and settle to blockchain.
Args:
handle (str): Handle of connection to close.
Returns:
Commit txid or None if no assets received from hub.
"""
hub_api = _hub_api()
data = _load_data()
client = Mph.deserialize(hub_api, data["connections"][handle])
commit_txid = client.close()
# FIXME recover now if possible
data["connections"][handle] = client.serialize()
_save_data(data)
return commit_txid
def connected_clients():
# create asset
rawtx = api.create_issuance(source=FUNDING_ADDRESS,
asset="A7736697071037023001",
quantity=100000000)
api.sendrawtransaction(tx_hex=rawtx)
# fund server
for i in range(3):
addresses = lib.get_funding_addresses(["XCP", "A7736697071037023001"])
for asset, address in addresses.items():
rawtx = api.create_send(
**{
'source': FUNDING_ADDRESS,
'destination': address,
'asset': asset,
'quantity': 1000000,
'regular_dust_size': 1000000
})
api.sendrawtransaction(tx_hex=rawtx)
# connect clients
clients = []
# fund XCP clients
for i in range(3):
bob_wif = util.gen_funded_wif("XCP", 1000000, 1000000)
client = Mph(util.MockAPI(auth_wif=bob_wif))
client.connect(1000000, 42, asset="XCP")
clients.append(client)
# fund A7736697071037023001 clients
for i in range(3):
bob_wif = util.gen_funded_wif("A7736697071037023001", 1000000, 1000000)
client = Mph(util.MockAPI(auth_wif=bob_wif))
client.connect(1000000, 42, asset="A7736697071037023001")
clients.append(client)
cron.fund_deposits()
return clients
def queuepayment(source, destination, quantity, token=None):
""" Queue micropayment channel send (sent on sync).
Args:
source (str): Handle of connection to send funds from.
destination (str): Handle of connection to receive funds.
quantity (int): Quantity of channel asset to transfer.
token (str, default=None): Optional token payee will
receive with the payment.
Returns:
Provided token or generated token if None given.
"""
hub_api = _hub_api()
data = _load_data()
client = Mph.deserialize(hub_api, data["connections"][source])
# FIXME check dest can receive payment
result = client.micro_send(destination, quantity, token=token)
data["connections"][source] = client.serialize()
_save_data(data)
return result
def cull(handle=None):
""" Removes closed channels if all funds have been recovered.
Args:
handle (str): Optional handle of specific connection to be cull.
Returns:
List of with handles of culled connections.
"""
data = _load_data()
hub_api = _hub_api()
culled = []
for _handle, connection_data in copy.deepcopy(data)["connections"].items():
if handle is not None and _handle != handle:
continue
client = Mph.deserialize(hub_api, connection_data)
if client.can_cull():
culled.append(_handle)
del data["connections"][_handle]
_save_data(data)
return culled
def test_standard_usage(server_db):
# fund server
for i in range(4):
address = lib.get_funding_address()
unsigned_rawtx = api.create_send(**{
'source': FUNDING_ADDRESS,
'destination': address,
'asset': ASSET,
'quantity': 1000000,
'regular_dust_size': 1000000
})
signed_rawtx = scripts.sign_deposit(
get_txs, FUNDING_WIF, unsigned_rawtx
)
api.sendrawtransaction(tx_hex=signed_rawtx)
# connect clients
status = api.mph_status()
assert len(status["connections"]) == 0
clients = []
for i in range(4):
auth_wif = util.gen_funded_wif(ASSET, 1000000, 1000000)
client = Mph(util.MockAPI(auth_wif=auth_wif))
txid = client.connect(1000000, 42, asset=ASSET)
assert txid is not None
status = client.get_status()
assert status["send_balance"] == 1000000
assert status["send_deposit_ttl"] is not None
assert status["recv_deposit_ttl"] is None # hub deposit not yet made
clients.append(client)
assert len(api.mph_status()["connections"]) == 4
# server funds deposits
assert len(cron.fund_deposits()) == 4
assert len(cron.fund_deposits()) == 0
for client in clients:
status = client.get_status()
assert status["recv_deposit_ttl"] is not None # hub deposit now made
# before status
alpha, beta, gamma, delta = clients
alpha_before_status = alpha.get_status()
beta_before_status = beta.get_status()
gamma_before_status = gamma.get_status()
# can send multiple payments
alpha.micro_send(beta.handle, 5, "0000")
alpha.micro_send(gamma.handle, 6, "0001")
assert alpha.sync() == []
assert beta.sync() == [{
"payer_handle": alpha.handle,
"amount": 5,
"token": "0000"
}]
assert gamma.sync(), [{
"payer_handle": alpha.handle,
"amount": 6,
"token": "0001"
}]
# send more back, commits are revoked to maximize liquidity
beta.micro_send(alpha.handle, 42, "0003")
assert beta.sync() == []
assert alpha.sync() == [{
"payer_handle": beta.handle,
"amount": 42,
"token": "0003"
}]
# multiple syncs/commtis from single client
alpha.micro_send(beta.handle, 1, "0004")
assert alpha.sync() == []
# get after status
alpha_after_status = alpha.get_status()
beta_after_status = beta.get_status()
gamma_after_status = gamma.get_status()
# compare statuses
alpha_after_status["send_balance"] == alpha_before_status[
"send_balance"] + 27
beta_after_status["send_balance"] == beta_before_status[
"send_balance"] - 40
gamma_after_status["send_balance"] == gamma_before_status[
"send_balance"] + 5
# client | c2h active | h2c active
# -------+------------+-----------
# alpha | 1 commit | 1 commit
# beta | 1 commit | 0 commit
# gamma | 0 commit | 1 commit
# delta | 0 commit | 0 commit
assert len(alpha.c2h_state["commits_active"]) == 1
assert len(alpha.h2c_state["commits_active"]) == 1
assert len(beta.c2h_state["commits_active"]) == 1
assert len(beta.h2c_state["commits_active"]) == 0
assert len(gamma.c2h_state["commits_active"]) == 0
assert len(gamma.h2c_state["commits_active"]) == 1
assert len(delta.c2h_state["commits_active"]) == 0
assert len(delta.h2c_state["commits_active"]) == 0
# close alpha payment channel
# | h2c | c2h |
# -------+-----+-----+
# commit | X | X |
# payout | X | X |
# change | X | X |
assert len(api.mph_status()["connections"]) == 4
assert alpha.close() is not None # H2C COMMIT TX
assert len(api.mph_status()["connections"]) == 3
assert _check_rawtxs(alpha.update()) # h2c payout delay not yet passed
util_test.create_next_block(server_db) # let payout delay pass
assert _check_rawtxs(alpha.update(), payout=1) # H2C PAYOUT TX
# H2C CHANGE TX, C2H COMMIT TX
assert _check_rawtxs(cron.run_all(), change=1, commit=1)
util_test.create_next_block(server_db) # let c2h payout delay pass
assert _check_rawtxs(cron.run_all(), payout=1) # C2H PAYOUT TX
assert _check_rawtxs(alpha.update(), change=1) # C2H CHANGE TX
# close beta payment channel
# recover | h2c | c2h |
# --------+-----+-----+
# commit | - | X |
# payout | - | X |
# change | X | X |
assert len(api.mph_status()["connections"]) == 3
assert beta.close() is None
assert len(api.mph_status()["connections"]) == 2
# H2C CHANGE TX, C2H COMMIT TX
assert _check_rawtxs(cron.run_all(), change=1, commit=1)
util_test.create_next_block(server_db) # let payout delay pass
assert _check_rawtxs(cron.run_all(), payout=1) # C2H PAYOUT TX
assert _check_rawtxs(beta.update(), change=1) # C2H CHANGE TX
# close gamma payment channel
# recover | h2c | c2h |
# --------+-----+-----+
# commit | X | - |
# payout | X | - |
# change | X | X |
assert len(api.mph_status()["connections"]) == 2
assert gamma.close() is not None # H2C COMMIT TX
assert len(api.mph_status()["connections"]) == 1
assert _check_rawtxs(gamma.update(), change=1) # C2H CHANGE TX
assert _check_rawtxs(gamma.update(), payout=1) # H2C PAYOUT TX
assert _check_rawtxs(cron.run_all(), change=1) # H2C CHANGE TX
# close delta payment channel
# recover | h2c | c2h |
# --------+-----+-----+
# commit | - | - |
# payout | - | - |
# change | X | X |
assert len(api.mph_status()["connections"]) == 1
assert delta.close() is None
assert len(api.mph_status()["connections"]) == 0
assert _check_rawtxs(delta.update(), change=1) # C2H CHANGE TX
assert _check_rawtxs(cron.run_all(), change=1) # H2C CHANGE TX
_assert_states_synced(alpha.handle, alpha.c2h_state, alpha.h2c_state)
_assert_states_synced(beta.handle, beta.c2h_state, beta.h2c_state)
_assert_states_synced(gamma.handle, gamma.c2h_state, gamma.h2c_state)
_assert_states_synced(delta.handle, delta.c2h_state, delta.h2c_state)
def test_user_doesnt_publish_commit(server_db):
# fund server
for i in range(2):
address = lib.get_funding_address()
unsigned_rawtx = api.create_send(**{
'source': FUNDING_ADDRESS,
'destination': address,
'asset': ASSET,
'quantity': 1000000,
'regular_dust_size': 1000000
})
signed_rawtx = scripts.sign_deposit(get_txs, FUNDING_WIF,
unsigned_rawtx)
api.sendrawtransaction(tx_hex=signed_rawtx)
# connect clients
assert len(api.mph_status()["connections"]) == 0
clients = []
for i in range(2):
auth_wif = util.gen_funded_wif(ASSET, 1000000, 1000000)
client = Mph(util.MockAPI(auth_wif=auth_wif))
txid = client.connect(1000000, 42, asset=ASSET)
assert txid is not None
status = client.get_status()
assert status["send_balance"] == 1000000
assert status["send_deposit_ttl"] is not None
assert status["recv_deposit_ttl"] is None # hub deposit not yet made
clients.append(client)
assert len(api.mph_status()["connections"]) == 2
# server funds deposits
assert len(cron.fund_deposits()) == 2
assert len(cron.fund_deposits()) == 0
for client in clients:
status = client.get_status()
assert status["recv_deposit_ttl"] is not None # hub deposit now made
# before status
alpha, beta = clients
# send funds to beta
alpha.micro_send(beta.handle, 42)
alpha.sync()
alpha_status = alpha.get_status()
assert alpha_status["send_balance"] == 1000000 - 42 - 1
# beta received funds
beta.sync()
beta_status = beta.get_status()
assert beta_status["send_balance"] == 1000000 + 42 - 1
# return some funds to alpha
beta.micro_send(alpha.handle, 13)
beta.sync()
beta_status = beta.get_status()
assert beta_status["send_balance"] == 1000000 + 42 - 1 - 13 - 1
# alpha received funds
alpha.sync()
alpha_status = alpha.get_status()
assert alpha_status["send_balance"] == 1000000 - 42 - 1 + 13 - 1
# beta settles
assert len(api.mph_status()["connections"]) == 2
assert beta.close() is not None # H2C COMMIT TX
assert len(api.mph_status()["connections"]) == 1
assert _check_rawtxs(beta.update()) # h2c payout delay not yet passed
util_test.create_next_block(server_db) # let payout delay pass
assert _check_rawtxs(beta.update(), payout=1) # H2C PAYOUT TX
# H2C CHANGE TX, C2H COMMIT TX
assert _check_rawtxs(cron.run_all(), change=1, commit=1)
util_test.create_next_block(server_db) # let c2h payout delay pass
assert _check_rawtxs(cron.run_all(), payout=1) # C2H PAYOUT TX
assert _check_rawtxs(beta.update(), change=1) # C2H CHANGE TX
# let channel expire
for i in range(50):
util_test.create_next_block(server_db)
# hub closes alice channel
# | h2c | c2h |
# -------+-----+-----+
# commit | - | X |
# payout | - | X |
# change | - | - |
# expire | X | - |
# C2H COMMIT TX, H2C EXPIRE TX
assert _check_rawtxs(cron.run_all(), commit=1, expire=1)
assert _check_rawtxs(cron.run_all(), payout=1) # C2H PAYOUT TX
def test_user_doesnt_publish_commit(server_db):
# fund server
for i in range(2):
address = lib.get_funding_addresses([ASSET])[ASSET]
unsigned_rawtx = api.create_send(
**{
'source': FUNDING_ADDRESS,
'destination': address,
'asset': ASSET,
'quantity': 1000000,
'regular_dust_size': 1000000
})
signed_rawtx = scripts.sign_deposit(get_tx, FUNDING_WIF,
unsigned_rawtx)
api.sendrawtransaction(tx_hex=signed_rawtx)
# connect clients
assert len(api.mph_status()["connections"]) == 0
clients = []
for i in range(2):
auth_wif = util.gen_funded_wif(ASSET, 1000000, 1000000)
client = Mph(util.MockAPI(auth_wif=auth_wif))
txid = client.connect(1000000, 42, asset=ASSET)
assert txid is not None
status = client.get_status()
assert status["send_balance"] == 1000000
assert status["send_deposit_ttl"] is not None
assert status["recv_deposit_ttl"] is None # hub deposit not yet made
clients.append(client)
assert len(api.mph_status()["connections"]) == 2
# server funds deposits
assert len(cron.fund_deposits()) == 2
assert len(cron.fund_deposits()) == 0
for client in clients:
status = client.get_status()
assert status["recv_deposit_ttl"] is not None # hub deposit now made
# before status
alpha, beta = clients
# send funds to beta
alpha.micro_send(beta.handle, 42)
alpha.sync()
alpha_status = alpha.get_status()
assert alpha_status["send_balance"] == 1000000 - 42 - 1
# beta received funds
beta.sync()
beta_status = beta.get_status()
assert beta_status["send_balance"] == 1000000 + 42 - 1
# return some funds to alpha
beta.micro_send(alpha.handle, 13)
beta.sync()
beta_status = beta.get_status()
assert beta_status["send_balance"] == 1000000 + 42 - 1 - 13 - 1
# alpha received funds
alpha.sync()
alpha_status = alpha.get_status()
assert alpha_status["send_balance"] == 1000000 - 42 - 1 + 13 - 1
# beta settles
assert len(api.mph_status()["connections"]) == 2
assert beta.close() is not None # H2C COMMIT TX
assert len(api.mph_status()["connections"]) == 1
assert _check_rawtxs(beta.update()) # h2c payout delay not yet passed
util_test.create_next_block(server_db) # let payout delay pass
assert _check_rawtxs(beta.update(), payout=1) # H2C PAYOUT TX
# H2C CHANGE TX, C2H COMMIT TX
assert _check_rawtxs(cron.run_all(), change=1, commit=1)
util_test.create_next_block(server_db) # let c2h payout delay pass
assert _check_rawtxs(cron.run_all(), payout=1) # C2H PAYOUT TX
assert _check_rawtxs(beta.update(), change=1) # C2H CHANGE TX
# let channel expire
for i in range(50):
util_test.create_next_block(server_db)
# hub closes alice channel
# | h2c | c2h |
# -------+-----+-----+
# commit | - | X |
# payout | - | X |
# change | - | - |
# expire | X | - |
# C2H COMMIT TX, H2C EXPIRE TX
assert _check_rawtxs(cron.run_all(), commit=1, expire=1)
assert _check_rawtxs(cron.run_all(), payout=1) # C2H PAYOUT TX
def test_standard_usage(server_db):
# fund server
for i in range(4):
address = lib.get_funding_addresses([ASSET])[ASSET]
unsigned_rawtx = api.create_send(
**{
'source': FUNDING_ADDRESS,
'destination': address,
'asset': ASSET,
'quantity': 1000000,
'regular_dust_size': 1000000
})
signed_rawtx = scripts.sign_deposit(get_tx, FUNDING_WIF,
unsigned_rawtx)
api.sendrawtransaction(tx_hex=signed_rawtx)
# connect clients
assert len(api.mph_status()["connections"]) == 0
clients = []
for i in range(4):
auth_wif = util.gen_funded_wif(ASSET, 1000000, 1000000)
client = Mph(util.MockAPI(auth_wif=auth_wif))
txid = client.connect(1000000, 42, asset=ASSET)
assert txid is not None
status = client.get_status()
assert status["send_balance"] == 1000000
assert status["send_deposit_ttl"] is not None
assert status["recv_deposit_ttl"] is None # hub deposit not yet made
clients.append(client)
assert len(api.mph_status()["connections"]) == 4
# server funds deposits
assert len(cron.fund_deposits()) == 4
assert len(cron.fund_deposits()) == 0
for client in clients:
status = client.get_status()
assert status["recv_deposit_ttl"] is not None # hub deposit now made
# before status
alpha, beta, gamma, delta = clients
alpha_before_status = alpha.get_status()
beta_before_status = beta.get_status()
gamma_before_status = gamma.get_status()
# can send multiple payments
alpha.micro_send(beta.handle, 5, "0000")
alpha.micro_send(gamma.handle, 6, "0001")
assert alpha.sync() == []
assert beta.sync() == [{
"payer_handle": alpha.handle,
"amount": 5,
"token": "0000"
}]
assert gamma.sync(), [{
"payer_handle": alpha.handle,
"amount": 6,
"token": "0001"
}]
# send more back, commits are revoked to maximize liquidity
beta.micro_send(alpha.handle, 42, "0003")
assert beta.sync() == []
assert alpha.sync() == [{
"payer_handle": beta.handle,
"amount": 42,
"token": "0003"
}]
# multiple syncs/commtis from single client
alpha.micro_send(beta.handle, 1, "0004")
assert alpha.sync() == []
# get after status
alpha_after_status = alpha.get_status()
beta_after_status = beta.get_status()
gamma_after_status = gamma.get_status()
# compare statuses
alpha_after_status[
"send_balance"] == alpha_before_status["send_balance"] + 27
beta_after_status[
"send_balance"] == beta_before_status["send_balance"] - 40
gamma_after_status[
"send_balance"] == gamma_before_status["send_balance"] + 5
# client | c2h active | h2c active
# -------+------------+-----------
# alpha | 1 commit | 1 commit
# beta | 1 commit | 0 commit
# gamma | 0 commit | 1 commit
# delta | 0 commit | 0 commit
assert len(alpha.c2h_state["commits_active"]) == 1
assert len(alpha.h2c_state["commits_active"]) == 1
assert len(beta.c2h_state["commits_active"]) == 1
assert len(beta.h2c_state["commits_active"]) == 0
assert len(gamma.c2h_state["commits_active"]) == 0
assert len(gamma.h2c_state["commits_active"]) == 1
assert len(delta.c2h_state["commits_active"]) == 0
assert len(delta.h2c_state["commits_active"]) == 0
# close alpha payment channel
# | h2c | c2h |
# -------+-----+-----+
# commit | X | X |
# payout | X | X |
# change | X | X |
assert len(api.mph_status()["connections"]) == 4
assert alpha.close() is not None # H2C COMMIT TX
assert len(api.mph_status()["connections"]) == 3
assert _check_rawtxs(alpha.update()) # h2c payout delay not yet passed
util_test.create_next_block(server_db) # let payout delay pass
assert _check_rawtxs(alpha.update(), payout=1) # H2C PAYOUT TX
# H2C CHANGE TX, C2H COMMIT TX
assert _check_rawtxs(cron.run_all(), change=1, commit=1)
util_test.create_next_block(server_db) # let c2h payout delay pass
assert _check_rawtxs(cron.run_all(), payout=1) # C2H PAYOUT TX
assert _check_rawtxs(alpha.update(), change=1) # C2H CHANGE TX
# close beta payment channel
# recover | h2c | c2h |
# --------+-----+-----+
# commit | - | X |
# payout | - | X |
# change | X | X |
assert len(api.mph_status()["connections"]) == 3
assert beta.close() is None
assert len(api.mph_status()["connections"]) == 2
# H2C CHANGE TX, C2H COMMIT TX
assert _check_rawtxs(cron.run_all(), change=1, commit=1)
util_test.create_next_block(server_db) # let payout delay pass
assert _check_rawtxs(cron.run_all(), payout=1) # C2H PAYOUT TX
assert _check_rawtxs(beta.update(), change=1) # C2H CHANGE TX
# close gamma payment channel
# recover | h2c | c2h |
# --------+-----+-----+
# commit | X | - |
# payout | X | - |
# change | X | X |
assert len(api.mph_status()["connections"]) == 2
assert gamma.close() is not None # H2C COMMIT TX
assert len(api.mph_status()["connections"]) == 1
assert _check_rawtxs(gamma.update(), change=1) # C2H CHANGE TX
assert _check_rawtxs(gamma.update(), payout=1) # H2C PAYOUT TX
assert _check_rawtxs(cron.run_all(), change=1) # H2C CHANGE TX
# close delta payment channel
# recover | h2c | c2h |
# --------+-----+-----+
# commit | - | - |
# payout | - | - |
# change | X | X |
assert len(api.mph_status()["connections"]) == 1
assert delta.close() is None
assert len(api.mph_status()["connections"]) == 0
assert _check_rawtxs(delta.update(), change=1) # C2H CHANGE TX
assert _check_rawtxs(cron.run_all(), change=1) # H2C CHANGE TX
_assert_states_synced(alpha.handle, alpha.c2h_state, alpha.h2c_state)
_assert_states_synced(beta.handle, beta.c2h_state, beta.h2c_state)
_assert_states_synced(gamma.handle, gamma.c2h_state, gamma.h2c_state)
_assert_states_synced(delta.handle, delta.c2h_state, delta.h2c_state)
def test_standard_usage(server_db):
# fund server
for i in range(4):
address = lib.get_funding_address()
unsigned_rawtx = api.create_send(
**{
'source': FUNDING_ADDRESS,
'destination': address,
'asset': ASSET,
'quantity': 1000000,
'regular_dust_size': 1000000
})
signed_rawtx = scripts.sign_deposit(get_txs, FUNDING_WIF,
unsigned_rawtx)
api.sendrawtransaction(tx_hex=signed_rawtx)
# connect clients
assert len(api.mph_status()["connections"]) == 0
clients = []
for i in range(4):
auth_wif = util.gen_funded_wif(ASSET, 1000000, 1000000)
client = Mph(util.MockAPI(auth_wif=auth_wif))
txid = client.connect(1000000, 42, asset=ASSET)
assert txid is not None
status = client.get_status()
assert status["send_balance"] == 1000000
assert status["send_deposit_ttl"] is not None
assert status["recv_deposit_ttl"] is None # hub deposit not yet made
clients.append(client)
assert len(api.mph_status()["connections"]) == 4
# server funds deposits
assert len(cron.fund_deposits()) == 4
assert len(cron.fund_deposits()) == 0
for client in clients:
status = client.get_status()
assert status["recv_deposit_ttl"] is not None # hub deposit now made
# before status
alpha, beta, gamma, delta = clients
alpha_before_status = alpha.get_status()
beta_before_status = beta.get_status()
gamma_before_status = gamma.get_status()
# can send multiple payments
alpha.micro_send(beta.handle, 5, "0000")
alpha.micro_send(gamma.handle, 6, "0001")
assert alpha.sync() == []
assert beta.sync() == [{
"payer_handle": alpha.handle,
"amount": 5,
"token": "0000"
}]
assert gamma.sync(), [{
"payer_handle": alpha.handle,
"amount": 6,
"token": "0001"
}]
# send more back, commits are revoked to maximize liquidity
beta.micro_send(alpha.handle, 42, "0003")
assert beta.sync() == []
assert alpha.sync() == [{
"payer_handle": beta.handle,
"amount": 42,
"token": "0003"
}]
# multiple syncs/commtis from single client
alpha.micro_send(beta.handle, 1, "0004")
assert alpha.sync() == []
# get after status
alpha_after_status = alpha.get_status()
beta_after_status = beta.get_status()
gamma_after_status = gamma.get_status()
# compare statuses
alpha_after_status[
"send_balance"] == alpha_before_status["send_balance"] + 27
beta_after_status[
"send_balance"] == beta_before_status["send_balance"] - 40
gamma_after_status[
"send_balance"] == gamma_before_status["send_balance"] + 5
# client | c2h active | h2c active
# -------+------------+-----------
# alpha | 1 commit | 1 commit
# beta | 1 commit | 0 commit
# gamma | 0 commit | 1 commit
# delta | 0 commit | 0 commit
assert len(alpha.c2h_state["commits_active"]) == 1
assert len(alpha.h2c_state["commits_active"]) == 1
assert len(beta.c2h_state["commits_active"]) == 1
assert len(beta.h2c_state["commits_active"]) == 0
assert len(gamma.c2h_state["commits_active"]) == 0
assert len(gamma.h2c_state["commits_active"]) == 1
assert len(delta.c2h_state["commits_active"]) == 0
assert len(delta.h2c_state["commits_active"]) == 0
def test_standard_usage(server_db):
# fund server
for i in range(4):
address = lib.get_funding_address()
unsigned_rawtx = api.create_send(**{
'source': FUNDING_ADDRESS,
'destination': address,
'asset': ASSET,
'quantity': 1000000,
'regular_dust_size': 1000000
})
signed_rawtx = scripts.sign_deposit(
get_txs, FUNDING_WIF, unsigned_rawtx
)
api.sendrawtransaction(tx_hex=signed_rawtx)
# connect clients
assert len(api.mph_status()["connections"]) == 0
clients = []
for i in range(4):
auth_wif = util.gen_funded_wif(ASSET, 1000000, 1000000)
client = Mph(util.MockAPI(auth_wif=auth_wif))
txid = client.connect(1000000, 42, asset=ASSET)
assert txid is not None
status = client.get_status()
assert status["send_balance"] == 1000000
assert status["send_deposit_ttl"] is not None
assert status["recv_deposit_ttl"] is None # hub deposit not yet made
clients.append(client)
assert len(api.mph_status()["connections"]) == 4
# server funds deposits
assert len(cron.fund_deposits()) == 4
assert len(cron.fund_deposits()) == 0
for client in clients:
status = client.get_status()
assert status["recv_deposit_ttl"] is not None # hub deposit now made
# before status
alpha, beta, gamma, delta = clients
alpha_before_status = alpha.get_status()
beta_before_status = beta.get_status()
gamma_before_status = gamma.get_status()
# can send multiple payments
alpha.micro_send(beta.handle, 5, "0000")
alpha.micro_send(gamma.handle, 6, "0001")
assert alpha.sync() == []
assert beta.sync() == [{
"payer_handle": alpha.handle,
"amount": 5,
"token": "0000"
}]
assert gamma.sync(), [{
"payer_handle": alpha.handle,
"amount": 6,
"token": "0001"
}]
# send more back, commits are revoked to maximize liquidity
beta.micro_send(alpha.handle, 42, "0003")
assert beta.sync() == []
assert alpha.sync() == [{
"payer_handle": beta.handle,
"amount": 42,
"token": "0003"
}]
# multiple syncs/commtis from single client
alpha.micro_send(beta.handle, 1, "0004")
assert alpha.sync() == []
# get after status
alpha_after_status = alpha.get_status()
beta_after_status = beta.get_status()
gamma_after_status = gamma.get_status()
# compare statuses
alpha_after_status["send_balance"] == alpha_before_status[
"send_balance"] + 27
beta_after_status["send_balance"] == beta_before_status[
"send_balance"] - 40
gamma_after_status["send_balance"] == gamma_before_status[
"send_balance"] + 5
# client | c2h active | h2c active
# -------+------------+-----------
# alpha | 1 commit | 1 commit
# beta | 1 commit | 0 commit
# gamma | 0 commit | 1 commit
# delta | 0 commit | 0 commit
assert len(alpha.c2h_state["commits_active"]) == 1
assert len(alpha.h2c_state["commits_active"]) == 1
assert len(beta.c2h_state["commits_active"]) == 1
assert len(beta.h2c_state["commits_active"]) == 0
assert len(gamma.c2h_state["commits_active"]) == 0
assert len(gamma.h2c_state["commits_active"]) == 1
assert len(delta.c2h_state["commits_active"]) == 0
assert len(delta.h2c_state["commits_active"]) == 0