Create a constant for 100000000 and use it

Use same name as is in bitcoind.
Note that one of the constants in text.py had the wrong number
of zeroes previously...

gui/android.py

@@ -23,7 +23,7 @@ from __future__ import absolute_import
 import android
 
 from electrum import SimpleConfig, Wallet, WalletStorage, format_satoshis
-from electrum.bitcoin import is_address
+from electrum.bitcoin import is_address, COIN
 from electrum import util
 from decimal import Decimal
 import datetime, re
@@ -585,7 +585,7 @@ def payto_loop():
                     continue
 
                 try:
-                    amount = int( 100000000 * Decimal(amount) )
+                    amount = int(COIN * Decimal(amount))
                 except Exception:
                     modal_dialog('Error','Invalid amount')
                     continue
@@ -608,7 +608,7 @@ def payto_loop():
                         if re.match('^bitcoin:', data):
                             payto, amount, label, message, _ = util.parse_URI(data)
                             if amount:
-                                amount = str(amount/100000000)
+                                amount = str(amount / COIN)
                             droid.fullSetProperty("recipient", "text", payto)
                             droid.fullSetProperty("amount", "text", amount)
                             droid.fullSetProperty("message", "text", message)
@@ -662,7 +662,7 @@ def receive_loop():
         elif event["name"]=="amount":
             amount = modal_input('Amount', 'Amount you want to receive (in BTC). ', format_satoshis(receive_amount) if receive_amount else None, "numberDecimal")
             if amount is not None:
-                receive_amount = int(100000000 * Decimal(amount)) if amount else None
+                receive_amount = int(COIN * Decimal(amount)) if amount else None
                 out = 'receive'
 
         elif event["name"]=="message":
@@ -770,7 +770,7 @@ def settings_loop():
 
     def set_listview():
         host, port, p, proxy_config, auto_connect = network.get_parameters()
-        fee = str( Decimal( wallet.fee_per_kb)/100000000 )
+        fee = str(Decimal(wallet.fee_per_kb) / COIN)
         is_encrypted = 'yes' if wallet.use_encryption else 'no'
         protocol = protocol_name(p)
         droid.fullShow(settings_layout)
@@ -818,10 +818,10 @@ def settings_loop():
 
             elif pos == "3": #fee
                 fee = modal_input('Transaction fee', 'The fee will be this amount multiplied by the number of inputs in your transaction. ',
-                                  str(Decimal(wallet.fee_per_kb)/100000000 ), "numberDecimal")
+                                  str(Decimal(wallet.fee_per_kb) / COIN), "numberDecimal")
                 if fee:
                     try:
-                        fee = int( 100000000 * Decimal(fee) )
+                        fee = int(COIN * Decimal(fee))
                     except Exception:
                         modal_dialog('error','invalid fee value')
                     wallet.set_fee(fee)

gui/gtk.py

@@ -25,7 +25,7 @@ gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk, Gdk, GObject, cairo
 from decimal import Decimal
 from electrum.util import print_error, InvalidPassword
-from electrum.bitcoin import is_valid
+from electrum.bitcoin import is_valid, COIN
 from electrum.wallet import NotEnoughFunds
 from electrum import WalletStorage, Wallet
 
@@ -48,7 +48,7 @@ def numbify(entry, is_int = False):
             s = s.replace('.','')
             s = s[:p] + '.' + s[p:p+8]
         try:
-            amount = int( Decimal(s) * 100000000 )
+            amount = int(Decimal(s) * COIN)
         except Exception:
             amount = None
     else:
@@ -164,7 +164,7 @@ def run_settings_dialog(self):
     fee_label.set_size_request(150,10)
     fee_label.show()
     fee.pack_start(fee_label,False, False, 10)
-    fee_entry.set_text( str( Decimal(self.wallet.fee_per_kb) /100000000 ) )
+    fee_entry.set_text(str(Decimal(self.wallet.fee_per_kb) / COIN))
     fee_entry.connect('changed', numbify, False)
     fee_entry.show()
     fee.pack_start(fee_entry,False,False, 10)
@@ -196,7 +196,7 @@ def run_settings_dialog(self):
         return
 
     try:
-        fee = int( 100000000 * Decimal(fee) )
+        fee = int(COIN * Decimal(fee))
     except Exception:
         show_message("error")
         return
@@ -698,7 +698,7 @@ class ElectrumWindow:
             if not self.funds_error:
                 if not is_fee:
                     fee = tx.get_fee()
-                    fee_entry.set_text( str( Decimal( fee ) / 100000000 ) )
+                    fee_entry.set_text(str(Decimal(fee) / COIN))
                     self.fee_box.show()
                 amount_entry.modify_text(Gtk.StateType.NORMAL, Gdk.color_parse("#000000"))
                 fee_entry.modify_text(Gtk.StateType.NORMAL, Gdk.color_parse("#000000"))
@@ -791,12 +791,12 @@ class ElectrumWindow:
             return
 
         try:
-            amount = int( Decimal(amount_entry.get_text()) * 100000000 )
+            amount = int(Decimal(amount_entry.get_text()) * COIN)
         except Exception:
             self.show_message( "invalid amount")
             return
         try:
-            fee = int( Decimal(fee_entry.get_text()) * 100000000 )
+            fee = int(Decimal(fee_entry.get_text()) * COIN)
         except Exception:
             self.show_message( "invalid fee")
             return

gui/qt/lite_window.py

@@ -36,7 +36,7 @@ import shutil
 
 from util import *
 
-bitcoin = lambda v: v * 100000000
+bitcoin = lambda v: v * COIN
 
 def IconButton(filename, parent=None):
     pixmap = QPixmap(filename)

gui/qt/main_window.py

@@ -30,7 +30,7 @@ from PyQt4.QtGui import *
 from PyQt4.QtCore import *
 import PyQt4.QtCore as QtCore
 
-from electrum.bitcoin import MIN_RELAY_TX_FEE, is_valid
+from electrum.bitcoin import MIN_RELAY_TX_FEE, COIN, is_valid
 from electrum.plugins import run_hook
 
 import icons_rc
@@ -1092,7 +1092,7 @@ class ElectrumWindow(QMainWindow):
             return
 
         amount = sum(map(lambda x:x[2], outputs))
-        confirm_amount = self.config.get('confirm_amount', 100000000)
+        confirm_amount = self.config.get('confirm_amount', COIN)
         if amount >= confirm_amount:
             o = '\n'.join(map(lambda x:x[1], outputs))
             if not self.question(_("send %(amount)s to %(address)s?")%{ 'amount' : self.format_amount(amount) + ' '+ self.base_unit(), 'address' : o}):

gui/stdio.py

@@ -3,7 +3,7 @@ _ = lambda x:x
 #from i18n import _
 from electrum.wallet import WalletStorage, Wallet
 from electrum.util import format_satoshis, set_verbosity, StoreDict
-from electrum.bitcoin import is_valid
+from electrum.bitcoin import is_valid, COIN
 from electrum.network import filter_protocol
 import sys, getpass, datetime
 
@@ -125,11 +125,11 @@ class ElectrumGui:
                 msg = _( "Synchronizing..." )
             else: 
                 c, u, x =  self.wallet.get_balance()
-                msg = _("Balance")+": %f  "%(Decimal(c) / 100000000)
+                msg = _("Balance")+": %f  "%(Decimal(c) / COIN)
                 if u:
-                    msg += "  [%f unconfirmed]"%(Decimal(u) / 100000000)
+                    msg += "  [%f unconfirmed]"%(Decimal(u) / COIN)
                 if x:
-                    msg += "  [%f unmatured]"%(Decimal(x) / 100000000)
+                    msg += "  [%f unmatured]"%(Decimal(x) / COIN)
         else:
                 msg = _( "Not connected" )
             
@@ -178,12 +178,12 @@ class ElectrumGui:
             print(_('Invalid Bitcoin address'))
             return
         try:
-            amount = int( Decimal( self.str_amount) * 100000000 )
+            amount = int(Decimal(self.str_amount) * COIN)
         except Exception:
             print(_('Invalid Amount'))
             return
         try:
-            fee = int( Decimal( self.str_fee) * 100000000 )
+            fee = int(Decimal(self.str_fee) * COIN)
         except Exception:
             print(_('Invalid Fee'))
             return

gui/text.py

@@ -1,10 +1,9 @@
 import curses, datetime, locale
 from decimal import Decimal
 _ = lambda x:x
-#from i18n import _
 from electrum.util import format_satoshis, set_verbosity
 from electrum.util import StoreDict
-from electrum.bitcoin import is_valid
+from electrum.bitcoin import is_valid, COIN
 
 from electrum import Wallet, WalletStorage
 
@@ -133,11 +132,11 @@ class ElectrumGui:
                 msg = _("Synchronizing...")
             else: 
                 c, u, x =  self.wallet.get_balance()
-                msg = _("Balance")+": %f  "%(Decimal(c) / 100000000)
+                msg = _("Balance")+": %f  "%(Decimal(c) / COIN)
                 if u:
-                    msg += "  [%f unconfirmed]"%(Decimal(u) / 100000000)
+                    msg += "  [%f unconfirmed]"%(Decimal(u) / COIN)
                 if x:
-                    msg += "  [%f unmatured]"%(Decimal(x) / 100000000)
+                    msg += "  [%f unmatured]"%(Decimal(x) / COIN)
         else:
             msg = _("Not connected")
             
@@ -297,12 +296,12 @@ class ElectrumGui:
             self.show_message(_('Invalid Bitcoin address'))
             return
         try:
-            amount = int( Decimal( self.str_amount) * 100000000 )
+            amount = int(Decimal(self.str_amount) * COIN)
         except Exception:
             self.show_message(_('Invalid Amount'))
             return
         try:
-            fee = int( Decimal( self.str_fee) * 100000000 )
+            fee = int(Decimal(self.str_fee) * COIN)
         except Exception:
             self.show_message(_('Invalid Fee'))
             return
@@ -388,7 +387,7 @@ class ElectrumGui:
             if out.get('Default GUI'):
                 self.config.set_key('gui', out['Default GUI'], True)
             if out.get('Default fee'):
-                fee = int ( Decimal( out['Default fee']) *10000000 )
+                fee = int(Decimal(out['Default fee']) * COIN)
                 self.config.set_key('fee_per_kb', fee, True)
 
 

lib/bitcoin.py

@@ -35,6 +35,7 @@ DUST_THRESHOLD = 546
 MIN_RELAY_TX_FEE = 1000
 RECOMMENDED_FEE = 50000
 COINBASE_MATURITY = 100
+COIN = 100000000
 
 # AES encryption
 EncodeAES = lambda secret, s: base64.b64encode(aes.encryptData(secret,s))

lib/commands.py

@@ -29,7 +29,7 @@ from decimal import Decimal
 import util
 from util import print_msg, format_satoshis, print_stderr
 import bitcoin
-from bitcoin import is_address, hash_160_to_bc_address, hash_160
+from bitcoin import is_address, hash_160_to_bc_address, hash_160, COIN
 from transaction import Transaction
 
 
@@ -148,7 +148,7 @@ class Commands:
     def listunspent(self):
         """List unspent outputs. Returns the list of unspent transaction outputs in your wallet."""
         l = copy.deepcopy(self.wallet.get_spendable_coins(exclude_frozen = False))
-        for i in l: i["value"] = str(Decimal(i["value"])/100000000)
+        for i in l: i["value"] = str(Decimal(i["value"])/COIN)
         return l
 
     @command('n')
@@ -178,7 +178,7 @@ class Commands:
                     break
             else:
                 raise BaseException('Transaction output not in wallet', prevout_hash+":%d"%prevout_n)
-        outputs = map(lambda x: ('address', x[0], int(1e8*x[1])), outputs.items())
+        outputs = map(lambda x: ('address', x[0], int(COIN*x[1])), outputs.items())
         tx = Transaction.from_io(tx_inputs, outputs)
         if not unsigned:
             self.wallet.sign_transaction(tx, self.password)
@@ -260,19 +260,19 @@ class Commands:
             c, u, x = self.wallet.get_balance()
         else:
             c, u, x = self.wallet.get_account_balance(account)
-        out = {"confirmed": str(Decimal(c)/100000000)}
+        out = {"confirmed": str(Decimal(c)/COIN)}
         if u:
-            out["unconfirmed"] = str(Decimal(u)/100000000)
+            out["unconfirmed"] = str(Decimal(u)/COIN)
         if x:
-            out["unmatured"] = str(Decimal(x)/100000000)
+            out["unmatured"] = str(Decimal(x)/COIN)
         return out
 
     @command('n')
     def getaddressbalance(self, address):
         """Return the balance of an address"""
         out = self.network.synchronous_get([('blockchain.address.get_balance', [address])])[0]
-        out["confirmed"] =  str(Decimal(out["confirmed"])/100000000)
+        out["confirmed"] =  str(Decimal(out["confirmed"])/COIN)
-        out["unconfirmed"] =  str(Decimal(out["unconfirmed"])/100000000)
+        out["unconfirmed"] =  str(Decimal(out["unconfirmed"])/COIN)
         return out
 
     @command('n')
@@ -332,7 +332,7 @@ class Commands:
         dest = resolver(destination)
         if tx_fee is None:
             tx_fee = 0.0001
-        fee = int(Decimal(tx_fee)*100000000)
+        fee = int(Decimal(tx_fee)*COIN)
         return Transaction.sweep([privkey], self.network, dest, fee)
 
     @command('wp')
@@ -350,7 +350,7 @@ class Commands:
         resolver = lambda x: None if x is None else self.contacts.resolve(x, nocheck)['address']
         change_addr = resolver(change_addr)
         domain = None if domain is None else map(resolver, domain)
-        fee = None if fee is None else int(100000000*Decimal(fee))
+        fee = None if fee is None else int(COIN*Decimal(fee))
         final_outputs = []
         for address, amount in outputs:
             address = resolver(address)
@@ -367,7 +367,7 @@ class Commands:
                     fee = self.wallet.estimated_fee(dummy_tx)
                 amount -= fee
             else:
-                amount = int(100000000*Decimal(amount))
+                amount = int(COIN*Decimal(amount))
             final_outputs.append(('address', address, amount))
 
         coins = self.wallet.get_spendable_coins(domain)

lib/util.py

@@ -254,7 +254,7 @@ def parse_URI(uri):
             k = int(m.group(2)) - 8
             amount = Decimal(m.group(1)) * pow(  Decimal(10) , k)
         else:
-            amount = Decimal(am) * 100000000
+            amount = Decimal(am) * COIN
     if 'message' in pq:
         message = pq['message'][0].decode('utf8')
     if 'label' in pq:

plugins/exchange_rate.py

@@ -11,6 +11,7 @@ import re
 from ssl import SSLError
 from decimal import Decimal
 
+from electrum.bitcoin import COIN
 from electrum.plugins import BasePlugin, hook
 from electrum.i18n import _
 from electrum_gui.qt.util import *
@@ -220,7 +221,7 @@ class Plugin(BasePlugin):
     @hook
     def get_fiat_balance_text(self, btc_balance, r):
         # return balance as: 1.23 USD
-        r[0] = self.create_fiat_balance_text(Decimal(btc_balance) / 100000000)
+        r[0] = self.create_fiat_balance_text(Decimal(btc_balance) / COIN)
 
     def get_fiat_price_text(self, r):
         # return BTC price as: 123.45 USD
@@ -240,7 +241,7 @@ class Plugin(BasePlugin):
             price_text = "1 BTC~%s"%quote
             fiat_currency = quote[-3:]
             btc_price = self.btc_rate
-            fiat_balance = Decimal(btc_price) * (Decimal(btc_balance)/100000000)
+            fiat_balance = Decimal(btc_price) * Decimal(btc_balance) / COIN
             balance_text = "(%.2f %s)" % (fiat_balance,fiat_currency)
             text = "  " + balance_text + "     " + price_text + " "
         r2[0] = text
@@ -338,20 +339,20 @@ class Plugin(BasePlugin):
                 tx_info = {'timestamp':int(time.time()), 'value': v}
                 pass
             tx_time = int(tx_info['timestamp'])
-            tx_value = Decimal(str(tx_info['value'])) / 100000000
+            tx_value = Decimal(str(tx_info['value'])) / COIN
             if self.cur_exchange == "CoinDesk":
                 tx_time_str = datetime.datetime.fromtimestamp(tx_time).strftime('%Y-%m-%d')
                 try:
                     tx_fiat_val = "%.2f %s" % (tx_value * Decimal(self.resp_hist['bpi'][tx_time_str]), "USD")
                 except KeyError:
-                    tx_fiat_val = "%.2f %s" % (self.btc_rate * Decimal(str(tx_info['value']))/100000000 , "USD")
+                    tx_fiat_val = "%.2f %s" % (self.btc_rate * Decimal(str(tx_info['value']))/COIN , "USD")
             elif self.cur_exchange == "Winkdex":
                 tx_time_str = datetime.datetime.fromtimestamp(tx_time).strftime('%Y-%m-%d') + "T16:00:00-04:00"
                 try:
                     tx_rate = self.resp_hist[[x['timestamp'] for x in self.resp_hist].index(tx_time_str)]['price']
                     tx_fiat_val = "%.2f %s" % (tx_value * Decimal(tx_rate)/Decimal("100.0"), "USD")
                 except ValueError:
-                    tx_fiat_val = "%.2f %s" % (self.btc_rate * Decimal(tx_info['value'])/100000000 , "USD")
+                    tx_fiat_val = "%.2f %s" % (self.btc_rate * Decimal(tx_info['value'])/COIN , "USD")
                 except KeyError:
                     tx_fiat_val = _("No data")
             elif self.cur_exchange == "BitcoinVenezuela":
@@ -520,7 +521,7 @@ class Plugin(BasePlugin):
             exchange_rate = self.exchanger.exchange(Decimal("1.0"), self.fiat_unit())
             if exchange_rate is not None:
                 btc_amount = fiat_amount/exchange_rate
-                btc_e.setAmount(int(btc_amount*Decimal(100000000)))
+                btc_e.setAmount(int(btc_amount*Decimal(COIN)))
                 if fee_e: self.win.update_fee(False)
         fiat_e.textEdited.connect(fiat_changed)
         def btc_changed():
@@ -530,7 +531,7 @@ class Plugin(BasePlugin):
             if btc_amount is None:
                 fiat_e.setText("")
                 return
-            fiat_amount = self.exchanger.exchange(Decimal(btc_amount)/Decimal(100000000), self.fiat_unit())
+            fiat_amount = self.exchanger.exchange(Decimal(btc_amount)/Decimal(COIN), self.fiat_unit())
             if fiat_amount is not None:
                 pos = fiat_e.cursorPosition()
                 fiat_e.setText("%.2f"%fiat_amount)