GOSTCoin Web Wallet
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58 lines
1.9 KiB

from django import forms
from django.core.exceptions import ValidationError
from django.conf import settings
from crispy_forms.helper import FormHelper
from crispy_forms.layout import Submit, Layout
from decimal import Decimal
from .models import Account
class SendCoins(forms.Form):
recipient = forms.RegexField(
label="Address or local account")
amount = forms.DecimalField(label="amount",
def clean_recipient(self):
"""Validate recipient"""
data = self.cleaned_data["recipient"]
if (len(data) == 34 or len(data) == 35) and data.startswith("G"):
"""Valid GST address"""
return data
elif len(data) == 16:
"""Account name"""
a = Account.objects.get(name=data)
except Account.DoesNotExist:
raise ValidationError("Invalid account name", code="invalid")
raise ValidationError("Incorrect recipient address/account name",
return data
def clean(self):
"""Check balance"""
if self.user and self.is_valid():
if len(self.cleaned_data["recipient"]) == 16:
total_amount = self.cleaned_data["amount"]
total_amount = self.cleaned_data["amount"] + \
settings.GST_NETWORK_FEE + settings.SERVICE_FEE
if self.user.account.balance < total_amount:
raise ValidationError("Not enough coins on balance")
return self.cleaned_data
def __init__(self, *args, **kwargs):
self.user = kwargs.pop('user', None)
super(SendCoins, self).__init__(*args, **kwargs)
self.helper = FormHelper()
self.helper.form_method = 'post'
self.helper.add_input(Submit('submit', 'Send'))