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make_transaction: remove unneeded inputs

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ThomasV 2015-05-26 09:05:44 +02:00
parent 7becb28ec8
commit ae957f3736
1 changed files with 12 additions and 0 deletions
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12
lib/wallet.py
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@ -26,6 +26,7 @@ import time
import math import math
import json import json
import copy import copy
from operator import itemgetter
from util import print_msg, print_error, NotEnoughFunds from util import print_msg, print_error, NotEnoughFunds
from util import profiler from util import profiler
@ -856,6 +857,7 @@ class Abstract_Wallet(object):
total = fee = 0 total = fee = 0
inputs = [] inputs = []
tx = Transaction.from_io(inputs, outputs) tx = Transaction.from_io(inputs, outputs)
# add old inputs first
for item in coins: for item in coins:
v = item.get('value') v = item.get('value')
total += v total += v
@ -865,6 +867,16 @@ class Abstract_Wallet(object):
if total >= amount + fee: break if total >= amount + fee: break
else: else:
raise NotEnoughFunds() raise NotEnoughFunds()
# remove unneeded inputs
for item in sorted(tx.inputs, key=itemgetter('value')):
v = item.get('value')
if total - v >= amount + fee:
tx.inputs.remove(item)
total -= v
fee = fixed_fee if fixed_fee is not None else self.estimated_fee(tx)
else:
break
print_error("using %d inputs"%len(tx.inputs))
# change address # change address
if not change_addr: if not change_addr: