def get_context_data(self, **kwargs):
context = super(AcceptPreviewView, self).get_context_data(**kwargs)
view_obj = context.get("view")
memo_serialized = view_obj.kwargs["memo"]
memo = validators.validate_memo(
json_util.deserialize_memo(memo_serialized))
signature = kwargs.get("signature")
if signature:
signature = validators.pre_validate_signature(signature)
result = ln.verifymessage(memo=json.dumps(memo, sort_keys=True),
sig=signature)
if result["valid"]:
identity_pubkey = result["identity_pubkey"]
context['user'] = User(id=1, pubkey=identity_pubkey)
memo["sig"] = signature # add signature to memo
context['post'] = self.get_model(memo)
# re-serialized because signature was added
context['memo'] = json_util.serialize_memo(memo)
# gives user a friendy error message if no LN nodes are avaialble
context["nodes_list"] = [n["node_name"] for n in ln.get_nodes_list()]
return context
def serialize_memo(self):
assert self.date.tzinfo == utc, "date must be in UTC"
if self.is_toplevel:
obj = dict(
title=validators.validate_signable_field(self.title),
post_type=self.type,
tag_val=self.tag_val,
content=validators.validate_signable_field(self.content),
unixtime=int((self.date - datetime.datetime(
1970, 1, 1).replace(tzinfo=utc)).total_seconds()),
amt=settings.POST_PAYMENT_AMOUNT,
)
else:
obj = dict(
parent_post_id=self.parent_post_id,
post_type=self.type,
content=validators.validate_signable_field(self.content),
unixtime=int((self.date - datetime.datetime(
1970, 1, 1).replace(tzinfo=utc)).total_seconds()),
amt=settings.POST_PAYMENT_AMOUNT,
)
memo = json_util.serialize_memo(obj)
return memo
def get_context_data(self, **kwargs):
context = super(PostPreviewView, self).get_context_data(**kwargs)
view_obj = context.get("view")
memo_serialized = view_obj.kwargs["memo"]
memo = validators.validate_memo(
json_util.deserialize_memo(memo_serialized))
signature = kwargs.get("signature")
if signature:
signature = validators.pre_validate_signature(signature)
result = ln.verifymessage(memo=json.dumps(memo, sort_keys=True),
sig=signature)
if result["valid"]:
identity_pubkey = result["identity_pubkey"]
context['user'] = User(id=1, pubkey=identity_pubkey)
memo["sig"] = signature # add signature to memo
if "sig" not in memo:
context['user'] = User(id=1, pubkey="Unknown")
# re-serialized because signature was added
memo_serialized = json_util.serialize_memo(memo)
post_preview = self.get_model(memo)
context["memo"] = memo_serialized
context["post"] = post_preview
context["publish_url"] = post_preview.get_publish_url(
memo=memo_serialized)
return context
def get_accept_url(self):
obj = dict(
action="Accept",
post_id=self.id,
unixtime=int(time.time()),
amt=1,
)
memo = json_util.serialize_memo(obj)
url = reverse("accept-preview", kwargs=dict(memo=memo))
return url
def get_vote_url(self):
obj = dict(
action="Upvote",
post_id=self.id,
unixtime=int(time.time()),
amt=10,
)
memo = json_util.serialize_memo(obj)
url = reverse("vote-publish", kwargs=dict(memo=memo))
return url
def post(self, request, *args, **kwargs):
amt = request.POST.get("amt")
assert amt is not None, "bug"
memo = kwargs.get("memo")
assert memo is not None, "bug"
# change the memo to have new amt
memo_deserialized = validators.validate_memo(
json_util.deserialize_memo(memo)
)
memo_deserialized["amt"] = amt
memo = json_util.serialize_memo(memo_deserialized)
return HttpResponseRedirect(
reverse(
"vote-publish",
kwargs=dict(memo=memo)
)
)
def post(self, request, *args, **kwargs):
try:
context = self.get_context_data(**kwargs)
except Exception as e:
logger.exception(e)
raise
# Validating the form.
form = self.form_class(request.POST)
if not form.is_valid():
try:
context = self.get_context_data(**kwargs)
except Exception as e:
logger.exception(e)
raise
context['form'] = form
context['errors_detected'] = True
return render(request, self.template_name, context)
pid = context["pid"]
amt = form.cleaned_data.get("amt")
logger.debug("Bounty amount is {} for post_id {}".format(amt, pid))
memo = {
"action": "Bounty",
"post_id": pid,
"amt": amt,
"unixtime": int(time.time())
}
memo_serialized = json_util.serialize_memo(memo)
return HttpResponseRedirect(
reverse("bounty-publish", kwargs=dict(memo=memo_serialized)))