better segwit tx size estimation

2017-11-21 23:02:45 +01:00
parent 0da1d4853b
commit a2a25e4738
2 changed files with 28 additions and 11 deletions
--- a/lib/coinchooser.py
+++ b/lib/coinchooser.py
@@ -91,8 +91,9 @@ class CoinChooserBase(PrintError):
            buckets[key].append(coin)

        def make_Bucket(desc, coins):
-            size = sum(Transaction.estimated_input_size(coin)
+            weight = sum(Transaction.estimated_input_weight(coin)
                       for coin in coins)
+            size = Transaction.virtual_size_from_weight(weight)
            value = sum(coin['value'] for coin in coins)
            return Bucket(desc, size, value, coins)