Offers can be filtered.

basicswap/basicswap.py

@@ -604,6 +604,9 @@ class BasicSwap():
 
         self.mxDB.acquire()
         try:
+            proof_addr, proof_sig = self.getProofOfFunds(coin_from_t, amount)
+            # TODO: require prrof of funds on offers?
+
             msg_buf = OfferMessage()
             msg_buf.coin_from = int(coin_from)
             msg_buf.coin_to = int(coin_to)
@@ -2266,7 +2269,7 @@ class BasicSwap():
             session.remove()
             self.mxDB.release()
 
-    def listOffers(self, sent=False):
+    def listOffers(self, sent=False, filters={}):
         self.mxDB.acquire()
         try:
             rv = []
@@ -2274,9 +2277,18 @@ class BasicSwap():
             session = scoped_session(self.session_factory)
 
             if sent:
-                q = session.query(Offer).filter(Offer.was_sent == True).order_by(Offer.created_at.desc())  # noqa E712
+                q = session.query(Offer).filter(Offer.was_sent == True)  # noqa E712
             else:
-                q = session.query(Offer).filter(Offer.expire_at > now).order_by(Offer.created_at.desc())
+                q = session.query(Offer).filter(Offer.expire_at > now)
+
+            filter_coin_from = filters.get('coin_from', None)
+            if filter_coin_from and filter_coin_from > -1:
+                q = q.filter(Offer.coin_from == int(filter_coin_from))
+            filter_coin_to = filters.get('coin_to', None)
+            if filter_coin_to and filter_coin_to > -1:
+                q = q.filter(Offer.coin_to == int(filter_coin_to))
+
+            q = q.order_by(Offer.created_at.desc())
             for row in q:
                 rv.append(row)
             return rv

basicswap/http_server.py

@@ -50,6 +50,14 @@ def getCoinName(c):
     return chainparams[c]['name'].capitalize()
 
 
+def listAvailableCoins(swap_client):
+    coins = []
+    for k, v in swap_client.coin_clients.items():
+        if v['connection_type'] == 'rpc':
+            coins.append((int(k), getCoinName(k)))
+    return coins
+
+
 def getTxIdHex(bid, tx_type, prefix):
     if tx_type == TxTypes.ITX:
         obj = bid.initiate_tx
@@ -98,6 +106,17 @@ class HttpHandler(BaseHTTPRequestHandler):
             + '<p><a href=\'/\'>home</a></p></body></html>'
         return bytes(content, 'UTF-8')
 
+    def checkForm(self, post_string, name, messages):
+        if post_string == '':
+            return None
+        form_data = urllib.parse.parse_qs(post_string)
+        form_id = form_data[b'formid'][0].decode('utf-8')
+        if self.server.last_form_id.get(name, None) == form_id:
+            messages.append('Prevented double submit for form {}.'.format(form_id))
+        else:
+            self.server.last_form_id[name] = form_id
+        return form_data
+
     def js_error(self, error_str):
         error_str_json = json.dumps({'error': error_str})
         return bytes(error_str_json, 'UTF-8')
@@ -132,14 +151,8 @@ class HttpHandler(BaseHTTPRequestHandler):
 
         result = None
         messages = []
-        if post_string != '':
+        form_data = self.checkForm(post_string, 'rpc', messages)
-            form_data = urllib.parse.parse_qs(post_string)
+        if form_data:
-            form_id = form_data[b'formid'][0].decode('utf-8')
-            if self.server.last_form_id.get('rpc', None) == form_id:
-                messages.append('Prevented double submit for form {}.'.format(form_id))
-            else:
-                self.server.last_form_id['newoffer'] = form_id
-
             try:
                 coin_type = Coins(int(form_data[b'coin_type'][0]))
             except Exception:
@@ -151,16 +164,11 @@ class HttpHandler(BaseHTTPRequestHandler):
             except Exception as ex:
                 result = str(ex)
 
-        coins = []
-        for k, v in swap_client.coin_clients.items():
-            if v['connection_type'] == 'rpc':
-                coins.append((int(k), getCoinName(k)))
-
         template = env.get_template('rpc.html')
         return bytes(template.render(
             title=self.server.title,
             h2=self.server.title,
-            coins=coins,
+            coins=listAvailableCoins(swap_client),
             result=result,
             form_id=os.urandom(8).hex(),
         ), 'UTF-8')
@@ -181,14 +189,8 @@ class HttpHandler(BaseHTTPRequestHandler):
         swap_client = self.server.swap_client
 
         messages = []
-        if post_string != '':
+        form_data = self.checkForm(post_string, 'wallets', messages)
-            form_data = urllib.parse.parse_qs(post_string)
+        if form_data:
-            form_id = form_data[b'formid'][0].decode('utf-8')
-            if self.server.last_form_id.get('wallets', None) == form_id:
-                messages.append('Prevented double submit for form {}.'.format(form_id))
-            else:
-                self.server.last_form_id['wallets'] = form_id
-
             for c in Coins:
                 cid = str(int(c))
 
@@ -238,14 +240,8 @@ class HttpHandler(BaseHTTPRequestHandler):
         swap_client = self.server.swap_client
 
         messages = []
-        if post_string != '':
+        form_data = self.checkForm(post_string, 'newoffer', messages)
-            form_data = urllib.parse.parse_qs(post_string)
+        if form_data:
-            form_id = form_data[b'formid'][0].decode('utf-8')
-            if self.server.last_form_id.get('newoffer', None) == form_id:
-                messages.append('Prevented double submit for form {}.'.format(form_id))
-            else:
-                self.server.last_form_id['newoffer'] = form_id
-
             addr_from = form_data[b'addr_from'][0].decode('utf-8')
             if addr_from == '-1':
                 addr_from = None
@@ -257,7 +253,7 @@ class HttpHandler(BaseHTTPRequestHandler):
             try:
                 coin_to = Coins(int(form_data[b'coin_to'][0]))
             except Exception:
-                    raise ValueError('Unknown Coin From')
+                raise ValueError('Unknown Coin To')
 
             value_from = int(float(form_data[b'amt_from'][0]) * COIN)
             value_to = int(float(form_data[b'amt_to'][0]) * COIN)
@@ -276,17 +272,12 @@ class HttpHandler(BaseHTTPRequestHandler):
             offer_id = swap_client.postOffer(coin_from, coin_to, value_from, rate, min_bid, SwapTypes.SELLER_FIRST, lock_type=lock_type, lock_value=lock_seconds, auto_accept_bids=autoaccept, addr_send_from=addr_from)
             messages.append('<a href="/offer/' + offer_id.hex() + '">Sent Offer ' + offer_id.hex() + '</a><br/>Rate: ' + format8(rate))
 
-        coins = []
-        for k, v in swap_client.coin_clients.items():
-            if v['connection_type'] == 'rpc':
-                coins.append((int(k), getCoinName(k)))
-
         template = env.get_template('offer_new.html')
         return bytes(template.render(
             title=self.server.title,
             h2=self.server.title,
             messages=messages,
-            coins=coins,
+            coins=listAvailableCoins(swap_client),
             addrs=swap_client.listSmsgAddresses('offer'),
             form_id=os.urandom(8).hex(),
         ), 'UTF-8')
@@ -305,14 +296,8 @@ class HttpHandler(BaseHTTPRequestHandler):
         messages = []
         sent_bid_id = None
         show_bid_form = None
-        if post_string != '':
+        form_data = self.checkForm(post_string, 'offer', messages)
-            form_data = urllib.parse.parse_qs(post_string)
+        if form_data:
-            form_id = form_data[b'formid'][0].decode('utf-8')
-            if self.server.last_form_id.get('offer', None) == form_id:
-                messages.append('Prevented double submit for form {}.'.format(form_id))
-            else:
-                self.server.last_form_id['offer'] = form_id
-
             if b'newbid' in form_data:
                 show_bid_form = True
             else:
@@ -362,17 +347,42 @@ class HttpHandler(BaseHTTPRequestHandler):
             form_id=os.urandom(8).hex(),
         ), 'UTF-8')
 
-    def page_offers(self, url_split, sent=False):
+    def page_offers(self, url_split, post_string, sent=False):
         swap_client = self.server.swap_client
-        offers = swap_client.listOffers(sent)
+
+        filters = {
+            'coin_from': -1,
+            'coin_to': -1,
+        }
+        messages = []
+        form_data = self.checkForm(post_string, 'offers', messages)
+        if form_data:
+            coin_from = int(form_data[b'coin_from'][0])
+            if coin_from > -1:
+                try:
+                    filters['coin_from'] = Coins(coin_from)
+                except Exception:
+                    raise ValueError('Unknown Coin From')
+            coin_to = int(form_data[b'coin_to'][0])
+            if coin_to > -1:
+                try:
+                    filters['coin_to'] = Coins(coin_to)
+                except Exception:
+                    raise ValueError('Unknown Coin From')
+
+        offers = swap_client.listOffers(sent, filters)
 
         template = env.get_template('offers.html')
         return bytes(template.render(
             title=self.server.title,
             h2=self.server.title,
             page_type='Sent' if sent else 'Received',
+            coins=listAvailableCoins(swap_client),
+            messages=messages,
+            filters=filters,
             offers=[(time.strftime('%Y-%m-%d %H:%M', time.localtime(o.created_at)),
                      o.offer_id.hex(), getCoinName(Coins(o.coin_from)), getCoinName(Coins(o.coin_to)), format8(o.amount_from), format8((o.amount_from * o.rate) // COIN), format8(o.rate)) for o in offers],
+            form_id=os.urandom(8).hex(),
         ), 'UTF-8')
 
     def page_advance(self, url_split, post_string):
@@ -402,13 +412,8 @@ class HttpHandler(BaseHTTPRequestHandler):
 
         messages = []
         show_txns = False
-        if post_string != '':
+        form_data = self.checkForm(post_string, 'bid', messages)
-            form_data = urllib.parse.parse_qs(post_string)
+        if form_data:
-            form_id = form_data[b'formid'][0].decode('utf-8')
-            if self.server.last_form_id.get('bid', None) == form_id:
-                messages.append('Prevented double submit for form {}.'.format(form_id))
-            else:
-                self.server.last_form_id['bid'] = form_id
             if b'abandon_bid' in form_data:
                 try:
                     swap_client.abandonBid(bid_id)
@@ -592,11 +597,11 @@ class HttpHandler(BaseHTTPRequestHandler):
                 if url_split[1] == 'offer':
                     return self.page_offer(url_split, post_string)
                 if url_split[1] == 'offers':
-                    return self.page_offers(url_split)
+                    return self.page_offers(url_split, post_string)
                 if url_split[1] == 'newoffer':
                     return self.page_newoffer(url_split, post_string)
                 if url_split[1] == 'sentoffers':
-                    return self.page_offers(url_split, sent=True)
+                    return self.page_offers(url_split, post_string, sent=True)
                 if url_split[1] == 'advance':
                     return self.page_advance(url_split, post_string)
                 if url_split[1] == 'bid':

basicswap/templates/offers.html

@@ -4,6 +4,32 @@
 {% if refresh %}
 <p>Page Refresh: {{ refresh }} seconds</p>
 {% endif %}
+{% for m in messages %}
+<p>{{ m }}</p>
+{% endfor %}
+
+<form method="post">
+<table>
+<tr><td>Coin From</td><td>
+<select name="coin_from"><option value="-1"{% if filters.coin_from==-1 %} selected{% endif %}>-- Any Coin --</option>
+{% for c in coins %}
+<option value="{{ c[0] }}"{% if filters.coin_from==c[0] %} selected{% endif %}>{{ c[1] }}</option>
+{% endfor %}
+</select>
+</td>
+<td>Coin To</td><td>
+<select name="coin_to"><option value="-1"{% if filters.coin_to==-1 %} selected{% endif %}>-- Any Coin --</option>
+{% for c in coins %}
+<option value="{{ c[0] }}"{% if filters.coin_to==c[0] %} selected{% endif %}>{{ c[1] }}</option>
+{% endfor %}
+</select>
+</td></tr>
+
+<tr><td><input type="submit" value="Apply Filters"></td></tr>
+</table>
+<input type="hidden" name="formid" value="{{ form_id }}">
+</form>
+
 
 <table>
 <tr><th>At</th><th>Offer ID</th><th>Coin From</th><th>Coin To</th><th>Amount From</th><th>Amount To</th><th>Rate</th></tr>