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test: fundrawtransaction preset input weight calculation

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This commit is contained in:
S3RK 2022-03-30 09:18:33 +02:00
parent c3981e379f
commit 7832e9438f
1 changed files with 25 additions and 0 deletions
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25
test/functional/rpc_fundrawtransaction.py
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@ -11,6 +11,9 @@ from math import ceil
from test_framework.descriptors import descsum_create from test_framework.descriptors import descsum_create
from test_framework.key import ECKey from test_framework.key import ECKey
from test_framework.messages import (
COIN,
)
from test_framework.test_framework import BitcoinTestFramework from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import ( from test_framework.util import (
assert_approx, assert_approx,
@ -103,6 +106,7 @@ class RawTransactionsTest(BitcoinTestFramework):
self.generate(self.nodes[2], 1) self.generate(self.nodes[2], 1)
self.generate(self.nodes[0], 121) self.generate(self.nodes[0], 121)
self.test_weight_calculation()
self.test_change_position() self.test_change_position()
self.test_simple() self.test_simple()
self.test_simple_two_coins() self.test_simple_two_coins()
@ -1069,6 +1073,27 @@ class RawTransactionsTest(BitcoinTestFramework):
self.nodes[2].unloadwallet("extfund") 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): def test_include_unsafe(self):
self.log.info("Test fundrawtxn with unsafe inputs") self.log.info("Test fundrawtxn with unsafe inputs")