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-rwxr-xr-xtest/functional/rpc_fundrawtransaction.py25
1 files changed, 25 insertions, 0 deletions
diff --git a/test/functional/rpc_fundrawtransaction.py b/test/functional/rpc_fundrawtransaction.py
index 759e43194b..948deaaec4 100755
--- a/test/functional/rpc_fundrawtransaction.py
+++ b/test/functional/rpc_fundrawtransaction.py
@@ -11,6 +11,9 @@ from math import ceil
from test_framework.descriptors import descsum_create
from test_framework.key import ECKey
+from test_framework.messages import (
+ COIN,
+)
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_approx,
@@ -103,6 +106,7 @@ class RawTransactionsTest(BitcoinTestFramework):
self.generate(self.nodes[2], 1)
self.generate(self.nodes[0], 121)
+ self.test_weight_calculation()
self.test_change_position()
self.test_simple()
self.test_simple_two_coins()
@@ -1069,6 +1073,27 @@ class RawTransactionsTest(BitcoinTestFramework):
self.nodes[2].unloadwallet("extfund")
+ def test_weight_calculation(self):
+ self.log.info("Test weight calculation with external inputs")
+
+ self.nodes[2].createwallet("test_weight_calculation")
+ wallet = self.nodes[2].get_wallet_rpc("test_weight_calculation")
+
+ addr = wallet.getnewaddress()
+ txid = self.nodes[0].sendtoaddress(addr, 5)
+ vout = find_vout_for_address(self.nodes[0], txid, addr)
+
+ self.nodes[0].sendtoaddress(wallet.getnewaddress(), 5)
+ self.generate(self.nodes[0], 1)
+
+ rawtx = wallet.createrawtransaction([{'txid': txid, 'vout': vout}], [{self.nodes[0].getnewaddress(): 9.999}])
+ fundedtx = wallet.fundrawtransaction(rawtx, {'fee_rate': 10})
+ # with 71-byte signatures we should expect following tx size
+ tx_size = 10 + 41*2 + 31*2 + (2 + 107*2)/4
+ assert_equal(fundedtx['fee'] * COIN, tx_size * 10)
+
+ self.nodes[2].unloadwallet("test_weight_calculation")
+
def test_include_unsafe(self):
self.log.info("Test fundrawtxn with unsafe inputs")