def handle_invoice_request(self, nexus, msats, request_uuid):
shared_seed = nexus.get_shared_seed()
account = self.directory.lookup_by_seed(shared_seed)
assert account is not None, "shared seed not from known account?"
shared_seeds = account.get_all_shared_seeds()
account.session_invoice_requested(shared_seed, msats)
wad = account.get_wad()
cap = account.get_cap()
if cap['msats'] != 0 and (msats + wad['msats'] > cap['msats']):
# TODO 0 track pending incoming?
err = "account cap exceeded"
account.session_error_notified(shared_seed, err)
self.provider_error(shared_seeds, err, request_uuid)
return
bolt11, err = self.lightning.get_invoice(msats)
if err:
account.session_error_notified(shared_seed, err)
self.provider_error(shared_seeds, err, request_uuid)
return
payment_hash = Bolt11.get_payment_hash(bolt11)
account.add_pending(payment_hash, bolt11)
for ss in shared_seeds:
account.session_invoice_notified(shared_seed, bolt11)
self.directory.reindex_account(account)
self.provider_stack.notify_invoice(shared_seeds, bolt11, request_uuid)
def consumer_on_error(self, nexus, error_msg, request_reference_uuid):
print("got error: %s" % error_msg)
if request_reference_uuid in self.invoice_requests.keys():
r = self.invoice_requests.pop(request_reference_uuid)
account_uuid = r['liability_account_uuid']
liability_account = self.liabilities.lookup_by_uuid(account_uuid)
shared_seeds = liability_account.get_all_shared_seeds()
liability_rrid = r['liability_request_uuid']
self.provider_stack.notify_error(shared_seeds, error_msg,
liability_rrid)
print("notified provider of invoice error: %s" % error_msg)
elif request_reference_uuid in self.pay_requests.keys():
r = self.pay_requests.pop(request_reference_uuid)
account_uuid = r['liability_account_uuid']
liability_account = self.liabilities.lookup_by_uuid(account_uuid)
shared_seeds = liability_account.get_all_shared_seeds()
liability_rrid = r['liability_request_uuid']
self.provider_stack.notify_error(shared_seeds, error_msg,
liability_rrid)
bolt11 = r['bolt11']
payment_hash = Bolt11.get_payment_hash(bolt11)
liability.account.remove_paying(payment_hash)
print("notified provider of pay error: %s" % error_msg)
else:
print("unknown error notification: %s" % error_msg)
def provider_handle_pay_request(self, nexus, bolt11, request_uuid):
msats = Bolt11.get_msats(bolt11)
if not msats:
return "no amount specified in bolt11"
payment_hash = Bolt11.get_payment_hash(bolt11)
shared_seed = nexus.get_shared_seed()
liability_account = self.liabilities.lookup_by_seed(shared_seed)
spendable_msats = (liability_account.get_msatoshis() -
liability_account.get_pending_msatoshis())
if msats > spendable_msats:
return "insufficent balance to pay"
# decide which of our asset accounts will pay the bolt11
asset_nexus_uuid = self.asset_pool.select_paying_nexus_uuid(msats)
if not asset_nexus_uuid:
return "no account capable of receiving"
liability_account.add_paying(payment_hash, bolt11)
self.liabilities.reindex_account(liability_account)
our_request_uuid = self.consumer_stack.request_pay(
asset_nexus_uuid, bolt11)
self.pay_requests[our_request_uuid] = {
'liability_nexus_uuid': nexus.uuid,
'liability_request_uuid': request_uuid,
'liability_account_uuid': liability_account.uuid,
'bolt11': bolt11,
'asset_nexus_uuid': asset_nexus_uuid
}
def terminus_handle_invoice_request(self, shared_seed, msats):
# TODO - this should be a request-> callback to allow for an
# asynchronous call to the daemon.
account = self.directory.lookup_by_seed(shared_seed)
assert account is not None, "shared seed not from known account?"
# TODO handle failure
bolt11 = self.lightning.get_invoice(msats)
payment_hash = Bolt11.get_payment_hash(bolt11)
account.add_pending(payment_hash, bolt11)
self.directory.reindex_account(account)
return {'bolt11': bolt11}
def consumer_on_invoice(self, nexus, bolt11, request_reference_uuid):
if request_reference_uuid not in self.invoice_requests:
logging.error("got bolt11 not requested? %s" %
request_reference_uuid)
return
request_info = self.invoice_requests.pop(request_reference_uuid)
liability_nexus_uuid = request_info['liability_nexus_uuid']
liability_request_uuid = request_info['liability_request_uuid']
liability_account_uuid = request_info['liability_account_uuid']
asset_nexus_uuid = request_info['asset_nexus_uuid']
msats_requested = request_info['msats_requested']
liability_account = self.liabilities.lookup_by_uuid(
liability_account_uuid)
if asset_nexus_uuid != nexus.uuid:
logging.info("got bolt11 from different nexus than requested?")
if not liability_account:
logging.error("liability account removed?")
return
bolt11_msats = Bolt11.get_msats(bolt11)
if bolt11_msats and bolt11_msats != msats_requested:
logging.error("got wrong msats amount?")
return
bolt11_payment_hash = Bolt11.get_payment_hash(bolt11)
liability_account.add_pending(bolt11_payment_hash, bolt11)
self.liabilities.reindex_account(liability_account)
shared_seeds = liability_account.get_all_shared_seeds()
self.provider_stack.notify_invoice(shared_seeds, bolt11,
liability_request_uuid)