import trades from bitcoin.de via API

fixes #15

apps/transactions/forms.py

@@ -24,3 +24,13 @@ class TransactionForm(forms.ModelForm):
             'fiat_currency': forms.Select(choices = fiat_currencies),
             'crypto_currency': forms.Select(choices = crypto_currencies),
         }
+
+
+class ImportForm(forms.Form):
+    api_key = forms.CharField(label='API Key', widget=forms.PasswordInput, max_length=100)
+    api_secret = forms.CharField(label='API Secret', widget=forms.PasswordInput, max_length=100)
+    YEAR_CHOICES = []
+    now = datetime.datetime.now()
+    for y in range(2000,now.year+1):
+      YEAR_CHOICES.append(y)
+    start_date = forms.DateField(label='Start Date', widget=forms.SelectDateWidget(years=YEAR_CHOICES), initial=datetime.datetime(year=now.year, month=1, day=1))

apps/transactions/importbtcde.py

@@ -0,0 +1,55 @@
+from django.db import connection
+from apps.transactions.models import Transaction
+from decimal import Decimal
+import datetime
+import btcde
+
+class ImportBtcDe:
+  def Import(self, apiKey, apiSecret, StartDate, Owner):
+
+    conn = btcde.Connection(apiKey, apiSecret)
+    page=1
+    while True:
+      response = conn.showMyTrades(date_start=StartDate.isoformat()+"T00:00:00+00:00", state=1,page=page)
+      trades = response.get('trades')
+      if not trades:
+          raise Exception(('%s' % (response,)))
+          raise Exception(('%s %s %s ' % (apiKey,apiSecret, StartDate.isoformat())))
+          break
+      for trade in trades:
+
+        # TODO: check if this trade_id does not exist in the database for this user
+        with connection.cursor() as cursor:
+          sql = """SELECT trade_id FROM `transaction` WHERE trade_id=%s and owner_id=%s"""
+          cursor.execute(sql, [trade['trade_id'], Owner.id])
+          if cursor.rowcount > 0:
+            continue
+
+        # import the trade
+        t = Transaction()
+        t.trade_id = trade['trade_id']
+        supported_cryptos = ['BTC', 'BCH', 'ETH']
+        for c in supported_cryptos:
+          if trade['trading_pair'].upper().startswith(c):
+            t.crypto_currency = c
+        supported_fiat = ['USD', 'EUR']
+        for f in supported_fiat:
+          if trade['trading_pair'].upper().endswith(f):
+            t.fiat_currency = f
+        t.owner = Owner
+        t.amount_before_fee = Decimal(trade['amount'])
+        t.amount_after_fee = Decimal(trade['amount']) - Decimal(trade['fee_currency'])
+        t.amount = Decimal(trade['volume'])
+        if trade['type'] == 'sell':
+            t.amount -= Decimal(trade['fee_eur'])
+            t.amount_before_fee *= -1
+            t.amount_after_fee *= -1
+            t.amount *= -1
+        t.exchange_rate = trade['price']
+        t.date_valid = trade['created_at']
+        t.save()
+
+      if page >= response.get('page')['last']:
+        break
+      page += 1
+

apps/transactions/migrations/0002_transaction_trade_id.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.1.5 on 2021-02-13 21:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('transactions', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='transaction',
+            name='trade_id',
+            field=models.CharField(default='MANUAL', max_length=20),
+        ),
+    ]

apps/transactions/models.py

@@ -3,6 +3,7 @@ from django.contrib.auth.models import User
 
 # Create your models here.
 class Transaction(models.Model):
+    trade_id = models.CharField(max_length=20, default='MANUAL')
     crypto_currency = models.CharField(max_length=10)
     owner = models.ForeignKey(User, on_delete=models.CASCADE)
     amount_before_fee = models.DecimalField(max_digits=24, decimal_places=10)

apps/transactions/templates/add.html

@@ -28,6 +28,13 @@
 	</div>
 	</div>
 
+	<div class="form-group row">
+	<label class="col-sm-2 col-form-label">Trade ID:</label>
+	<div class="col-sm-4">
+	  {{ form.trade_id }}
+	</div>
+	</div>
+
 	<div class="form-group row">
 	<label class="col-sm-2 col-form-label">Crypto Currency:</label>
 	<div class="col-sm-4">

apps/transactions/templates/import.html

@@ -0,0 +1,63 @@
+{% extends 'base.html' %}
+
+{% block content %}
+<div class="form-box">
+<form method="POST" class="post-form" action="/transactions/import">
+		{% csrf_token %}
+	<div class="container">
+<br>
+{% if form.errors %}
+	{% for field in form %}
+		{% for error in field.errors %}
+			<div class="alert alert-danger">
+				<strong>{{field.name}}: {{ error|escape }}</strong>
+			</div>
+		{% endfor %}
+	{% endfor %}
+	{% for error in form.non_field_errors %}
+		<div class="alert alert-danger">
+			<strong>{{ error|escape }}</strong>
+		</div>
+	{% endfor %}
+{% endif %}
+
+	<div class="form-group row">
+	<label class="col-sm-1 col-form-label"></label>
+	<div class="col-sm-4">
+	<h3>Import Transactions from Bitcoin.de API</h3>
+    <p>You need an API Key with Show permissions, and with access from only this IP: {{my_ip}}</p>
+	</div>
+	</div>
+
+	<div class="form-group row">
+	<label class="col-sm-2 col-form-label">API Key:</label>
+	<div class="col-sm-4">
+	  {{ form.api_key }}
+	</div>
+	</div>
+
+	<div class="form-group row">
+	<label class="col-sm-2 col-form-label">API Secret:</label>
+	<div class="col-sm-4">
+	  {{ form.api_secret }}
+	</div>
+	</div>
+
+	<div class="form-group row">
+	<label class="col-sm-2 col-form-label">Starting Date:</label>
+	<div class="col-sm-4">
+	  {{ form.start_date }}
+	</div>
+	</div>
+
+	<div class="form-group row">
+	<label class="col-sm-1 col-form-label"></label>
+	<div class="col-sm-4">
+	<button type="submit" class="btn btn-primary">Submit</button>
+	</div>
+	</div>
+
+	</div>
+</form>
+</div>
+{% endblock %}

apps/transactions/templates/show.html

@@ -5,6 +5,8 @@
 <div class="form-box">
 <center><a href="/transactions/add" class="button button-primary">Add New Record</a></center>
 <br/>
+<center><a href="/transactions/import" class="button button-primary">Import from Bitcoin.de</a></center>
+<br/>
 <table class="table table-striped table-bordered table-sm">
 	<thead class="thead-dark">
 	<tr>

apps/transactions/views.py

@@ -1,7 +1,10 @@
 from django.shortcuts import render, redirect
 from django.contrib.auth.decorators import login_required
 from apps.transactions.forms import TransactionForm
+from apps.transactions.forms import ImportForm
 from apps.transactions.models import Transaction
+from apps.transactions.importbtcde import ImportBtcDe
+import socket
 
 @login_required
 def add(request):
@@ -20,6 +23,23 @@ def add(request):
         form = TransactionForm()
     return render(request,'add.html',{'form':form})
 
+@login_required
+def importbtcde(request):
+    form = ImportForm()
+    if request.method == "POST":
+         form = ImportForm(request.POST)
+         if form.is_valid():
+#        try:
+            importBtcDe = ImportBtcDe()
+#           importBtcDe.Import(request.POST['api_key'], request.POST['api_secret'], request.POST['start_date'], request.user.id)
+            importBtcDe.Import(form.cleaned_data.get('api_key'), form.cleaned_data.get('api_secret'), form.cleaned_data.get('start_date'), request.user)
+            return redirect('/transactions/show')
+#        except:
+#            pass
+    hostname = socket.gethostname()
+    my_ip = socket.gethostbyname(hostname)
+    return render(request,'import.html',{'form':form, 'my_ip': my_ip})
+
 @login_required
 def show(request):
     if 'crypto' in request.GET:

requirements.txt

@@ -1,4 +1,4 @@
 django
 django-registration
 matplotlib
-
+btcde

walletmonitor/urls.py

@@ -29,6 +29,7 @@ urlpatterns = [
 	path('monitor/', monitor_views.monitor),
 	path('graph/', monitor_views.graph),
 	path('transactions/add', tr_views.add),
+	path('transactions/import', tr_views.importbtcde),
 	path('transactions/show', tr_views.show),
 	path('transactions/edit/<int:id>', tr_views.edit),
 	path('transactions/update/<int:id>', tr_views.update),