built new service_blockchain_explorer()

.style.yapf

@@ -3,6 +3,8 @@ based_on_style=facebook
 column_limit=240
 indent_width=4
 continuation_indent_width=4
+blank_line_before_class_docstring=True
+blank_line_before_nested_class_or_def=True
 blank_lines_around_top_level_definition=2
 blank_lines_between_top_level_imports_and_variables=1
 no_spaces_around_selected_binary_operators=*,/

bitdust/blockchain/bismuth_miner.py

@@ -5,7 +5,6 @@
 import socks
 import hashlib
 import random
-import traceback
 
 #------------------------------------------------------------------------------
 
@@ -95,11 +94,8 @@ def check_start_mining():
     global _OwnCoinsLastTime
     global _WantMoreCoins
     global _MiningIsOn
-    try:
-        cur_balance = bismuth_wallet.my_balance()
-    except:
-        traceback.print_exc()
-        cur_balance = 'N/A'
+
+    cur_balance = bismuth_wallet.my_balance()
 
     lg.info('my wallet address is %s and current balance is %s' % (bismuth_wallet.my_wallet_address(), cur_balance))
     if _Debug:
@@ -108,11 +104,7 @@ def check_start_mining():
     if cur_balance == 'N/A':
         reactor.callLater(10, check_start_mining)  # @UndefinedVariable
         return
-    try:
-        cur_balance = float(cur_balance)
-    except:
-        reactor.callLater(10, check_start_mining)  # @UndefinedVariable
-        return
+
     if _WantMoreCoins and (not _OwnCoinsLastTime or (time.time() - _OwnCoinsLastTime > 60)):
         _OwnCoinsLastTime = time.time()
         _WantMoreCoins = False

bitdust/blockchain/bismuth_node.py

@@ -521,6 +521,7 @@ def check_db_for_bootstrap(node):
 
 
 class CustomLogHandler(logging.Handler):
+
     def emit(self, record):
         try:
             if _Debug:

bitdust/blockchain/bismuth_wallet.py

@@ -125,17 +125,24 @@ def my_wallet_address():
 
 
 def my_balance():
-    return client().balance()
+    try:
+        _balance = float(client().balance())
+    except:
+        lg.exc()
+        return 'N/A'
+    return _balance
 
 
 def latest_transactions(num, offset, for_display, mempool_included):
     return client().latest_transactions(num, offset, for_display, mempool_included)
 
 
-def send_transaction(recipient, amount, operation='', data=''):
+def send_transaction(recipient, amount, operation='', data='', raise_errors=False):
     error_reply = []
     ret = client().send(recipient=recipient, amount=amount, operation=operation, data=data, error_reply=error_reply)
     if not ret:
+        if raise_errors:
+            raise Exception(error_reply)
         return error_reply
     return ret