html: More offer filtering.

basicswap/basicswap.py

@@ -54,6 +54,8 @@ from .db import (
     SentOffer,
     SmsgAddress,
 )
+
+from .explorers import ExplorerInsight, ExplorerBitAps, ExplorerChainz
 import basicswap.config as cfg
 import basicswap.segwit_addr as segwit_addr
 
@@ -361,6 +363,24 @@ class BasicSwap():
         for c in Coins:
             self.setCoinConnectParams(c)
 
+        if self.chain == 'mainnet':
+            self.coin_clients[Coins.PART]['explorers'].append(ExplorerInsight(
+                self,
+                'https://explorer.particl.io/particl-insight-api/'))
+            self.coin_clients[Coins.LTC]['explorers'].append(ExplorerBitAps(
+                self,
+                'https://api.bitaps.com/ltc/v1/blockchain'))
+            self.coin_clients[Coins.LTC]['explorers'].append(ExplorerChainz(
+                self,
+                'http://chainz.cryptoid.info/ltc/api.dws'))
+        elif self.chain == 'testnet':
+            self.coin_clients[Coins.PART]['explorers'].append(ExplorerInsight(
+                self,
+                'https://explorer-testnet.particl.io/particl-insight-api'))
+            self.coin_clients[Coins.LTC]['explorers'].append(ExplorerBitAps(
+                self,
+                'https://api.bitaps.com/ltc/testnet/v1/blockchain'))
+
     def prepareLogging(self):
         self.log = logging.getLogger(self.log_name)
         self.log.propagate = False
@@ -425,9 +445,13 @@ class BasicSwap():
             'use_csv': chain_client_settings.get('use_csv', True),
             'core_version_group': chain_client_settings.get('core_version_group', 0),
             'pid': None,
+            'explorers': [],
         }
 
     def setDaemonPID(self, name, pid):
+        if isinstance(name, Coins):
+            self.coin_clients[name]['pid'] = pid
+            return
         for c, v in self.coin_clients.items():
             if v['name'] == name:
                 v['pid'] = pid
@@ -2379,7 +2403,12 @@ class BasicSwap():
             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())
+            order_dir = filters.get('sort_dir', 'desc')
+            order_by = filters.get('order_by', 'created_at')
+            if order_by == 'created_at':
+                q = q.order_by(Offer.created_at.desc() if order_dir == 'desc' else Offer.created_at.asc())
+            elif order_by == 'rate':
+                q = q.order_by(Offer.rate.desc() if order_dir == 'desc' else Offer.rate.asc())
 
             limit = filters.get('limit', None)
             if limit is not None:

basicswap/explorers.py

@@ -0,0 +1,42 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2019 tecnovert
+# Distributed under the MIT software license, see the accompanying
+# file LICENSE.txt or http://www.opensource.org/licenses/mit-license.php.
+
+import urllib.request
+import json
+
+
+class Explorer():
+    def __init__(self, swapclient, base_url):
+        self.swapclient = swapclient
+        self.base_url = base_url
+        self.log = self.swapclient.log
+
+
+class ExplorerInsight(Explorer):
+    def getChainHeight(self):
+        return json.loads(urllib.request.urlopen(self.base_url + '/sync').read())['blockChainHeight']
+
+    def lookupUnspentByAddress(self, address):
+        chain_height = self.getChainHeight()
+        self.log.debug('[rm] chain_height %d', chain_height)
+
+
+class ExplorerBitAps(Explorer):
+    def getChainHeight(self):
+        return json.loads(urllib.request.urlopen(self.base_url + '/block/last').read())['data']['block']['height']
+
+    def lookupUnspentByAddress(self, address):
+        chain_height = self.getChainHeight()
+        self.log.debug('[rm] chain_height %d', chain_height)
+
+
+class ExplorerChainz(Explorer):
+    def getChainHeight(self):
+        return int(urllib.request.urlopen(self.base_url + '?q=getblockcount').read())
+
+    def lookupUnspentByAddress(self, address):
+        chain_height = self.getChainHeight()
+        self.log.debug('[rm] chain_height %d', chain_height)

basicswap/http_server.py

@@ -45,6 +45,7 @@ def format_timestamp(value):
 
 env = Environment(loader=PackageLoader('basicswap', 'templates'))
 env.filters['formatts'] = format_timestamp
+PAGE_LIMIT = 50
 
 
 def getCoinName(c):
@@ -373,6 +374,10 @@ class HttpHandler(BaseHTTPRequestHandler):
         filters = {
             'coin_from': -1,
             'coin_to': -1,
+            'page_no': 1,
+            'limit': PAGE_LIMIT,
+            'sort_by': 'created_at',
+            'sort_dir': 'desc',
         }
         messages = []
         form_data = self.checkForm(post_string, 'offers', messages)
@@ -390,6 +395,25 @@ class HttpHandler(BaseHTTPRequestHandler):
                 except Exception:
                     raise ValueError('Unknown Coin From')
 
+            if b'sort_by' in form_data:
+                sort_by = form_data[b'sort_by'][0].decode('utf-8')
+                assert(sort_by in ['created_at', 'rate']), 'Invalid sort by'
+                filters['sort_by'] = sort_by
+            if b'sort_dir' in form_data:
+                sort_dir = form_data[b'sort_dir'][0].decode('utf-8')
+                assert(sort_dir in ['asc', 'desc']), 'Invalid sort dir'
+                filters['sort_dir'] = sort_dir
+
+        if form_data and b'pageback' in form_data:
+            filters['page_no'] = int(form_data[b'pageno'][0]) - 1
+            if filters['page_no'] < 1:
+                filters['page_no'] = 1
+        if form_data and b'pageforwards' in form_data:
+            filters['page_no'] = int(form_data[b'pageno'][0]) + 1
+
+        if filters['page_no'] > 1:
+            filters['offset'] = (filters['page_no'] - 1) * PAGE_LIMIT
+
         offers = swap_client.listOffers(sent, filters)
 
         template = env.get_template('offers.html')

basicswap/templates/offers.html

@@ -25,9 +25,22 @@
 </select>
 </td></tr>
 
+<tr><td>Sort By</td><td>
+<select name="sort_by">
+<option value="created_at"{% if filters.sort_by=='created_at' %} selected{% endif %}>Created At</option>
+<option value="rate"{% if filters.sort_by=='rate' %} selected{% endif %}>Rate</option>
+</select>
+<select name="sort_dir">
+<option value="asc"{% if filters.sort_dir=='asc' %} selected{% endif %}>Ascending</option>
+<option value="desc"{% if filters.sort_dir=='desc' %} selected{% endif %}>Descending</option>
+</select>
+</td></tr>
+
 <tr><td><input type="submit" name='applyfilters' value="Apply Filters"></td><td><input type="submit" name='clearfilters' value="Clear Filters"></td></tr>
+<tr><td><input type="submit" name='pageback' value="Page Back"></td><td>Page: {{ filters.page_no }}</td><td><input type="submit" name='pageforwards' value="Page Forwards"></td></tr>
 </table>
 <input type="hidden" name="formid" value="{{ form_id }}">
+<input type="hidden" name="pageno" value="{{ filters.page_no }}">
 </form>