api: Allow coin type to be specified by ticker.

basicswap/base.py

@@ -5,22 +5,22 @@
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
 import os
-import threading
 import logging
+import threading
 import subprocess
 
 import basicswap.config as cfg
 import basicswap.contrib.segwit_addr as segwit_addr
 
-from .chainparams import (
-    chainparams,
-    Coins,
+from .rpc import (
+    callrpc,
 )
 from .util import (
     pubkeyToAddress,
 )
-from .rpc import (
-    callrpc,
+from .chainparams import (
+    Coins,
+    chainparams,
 )
 
 

basicswap/http_server.py

@@ -46,6 +46,7 @@ from .ui import (
     PAGE_LIMIT,
     inputAmount,
     describeBid,
+    getCoinType,
     setCoinFilter,
     get_data_entry,
     have_data_entry,
@@ -324,7 +325,7 @@ class HttpHandler(BaseHTTPRequestHandler):
             parsed_data['addr_from'] = None
 
         try:
-            page_data['coin_from'] = int(get_data_entry(form_data, 'coin_from'))
+            page_data['coin_from'] = getCoinType(get_data_entry(form_data, 'coin_from'))
             coin_from = Coins(page_data['coin_from'])
             ci_from = swap_client.ci(coin_from)
             if coin_from != Coins.XMR:
@@ -334,7 +335,7 @@ class HttpHandler(BaseHTTPRequestHandler):
             errors.append('Unknown Coin From')
 
         try:
-            page_data['coin_to'] = int(get_data_entry(form_data, 'coin_to'))
+            page_data['coin_to'] = getCoinType(get_data_entry(form_data, 'coin_to'))
             coin_to = Coins(page_data['coin_to'])
             ci_to = swap_client.ci(coin_to)
             parsed_data['coin_to'] = coin_to

basicswap/ui.py

@@ -24,6 +24,22 @@ from .basicswap import (
 PAGE_LIMIT = 50
 
 
+def tickerToCoinId(ticker):
+    search_str = ticker.upper()
+    for c in Coins:
+        if c.name == search_str:
+            return c.value
+    raise ValueError('Unknown coin')
+
+
+def getCoinType(coin_type_ind):
+    # coin_type_ind can be int id or str ticker
+    try:
+        return int(coin_type_ind)
+    except Exception:
+        return tickerToCoinId(coin_type_ind)
+
+
 def validateAmountString(amount, ci):
     if type(amount) != str:
         return
@@ -42,6 +58,7 @@ def get_data_entry(post_data, name):
         return post_data[name]
     return post_data[name.encode('utf-8')][0].decode('utf-8')
 
+
 def have_data_entry(post_data, name):
     if 'is_json' in post_data:
         return name in post_data
@@ -50,7 +67,7 @@ def have_data_entry(post_data, name):
 
 def setCoinFilter(form_data, field_name):
     try:
-        coin_type = int(get_data_entry(form_data, field_name))
+        coin_type = getCoinType(get_data_entry(form_data, field_name))
     except Exception:
         return -1
     if coin_type == -1:
@@ -211,4 +228,3 @@ def describeBid(swap_client, bid, xmr_swap, offer, xmr_offer, bid_events, edit_b
         data['events'] = bid_events
 
     return data
-