added warning for sendpayment fees above 2% to make it harder for the…

… bottom feeds who offer 50% fees

sendpayment.py

@@ -11,6 +11,18 @@
 from irc import IRCMessageChannel, random_nick
 import bitcoin as btc
 
+def check_high_fee(total_fee_pc):
+	debug('total coinjoin fee = ' + str(float('%.3g' % (100.0 * total_fee_pc))) + '%')
+	WARNING_THRESHOLD = 0.02 # 2%
+	if total_fee_pc > WARNING_THRESHOLD:
+		print '\n'.join(['='* 60]*3)
+		print 'WARNING   ' * 6
+		print '\n'.join(['='* 60]*1)
+		print 'OFFERED FEE IS INSANELY LARGE.'*2
+		print '\n'.join(['='* 60]*1)
+		print 'WARNING   ' * 6
+		print '\n'.join(['='* 60]*3)
+
 
 #thread which does the buy-side algorithm
 # chooses which coinjoins to initiate and when
@@ -44,6 +56,9 @@ def run(self):
 
 			orders, cjamount = choose_sweep_order(self.taker.db, total_value, self.taker.txfee, self.taker.makercount, chooseOrdersBy)
 			if not self.taker.answeryes:
+				debug('total cj fee = ' + str(total_value - cjamount))
+				total_fee_pc = 1.0*(total_value - cjamount) / cjamount
+				check_high_fee(total_fee_pc)
 				if raw_input('send with these orders? (y/n):')[0] != 'y':
 					self.finishcallback(None)
 					return
@@ -63,6 +78,8 @@ def run(self):
 				return
 			print 'chosen orders to fill ' + str(orders) + ' totalcjfee=' + str(total_cj_fee)
 			if not self.taker.answeryes:
+				total_fee_pc = 1.0*total_cj_fee / self.taker.amount
+				check_high_fee(total_fee_pc)
 				if raw_input('send with these orders? (y/n):')[0] != 'y':
 					self.finishcallback(None)
 					return