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mempool_package: make sure small UTXOs aren't selected for spending chain

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This commit is contained in:
Gregory Sanders 2019-04-12 13:18:41 -04:00
parent a32cd1d363
commit fb184c8303
1 changed files with 15 additions and 9 deletions
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24
test/functional/mempool_packages.py
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@ -8,12 +8,11 @@ from decimal import Decimal
from test_framework.messages import COIN 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 assert_equal, assert_raises_rpc_error, satoshi_round, sync_blocks, sync_mempools from test_framework.util import assert_equal, assert_raises_rpc_error, satoshi_round, sync_blocks, sync_mempools, assert_greater_than
import time import time
MAX_ANCESTORS = 25 MAX_ANCESTORS = 25
MAX_DESCENDANTS = 25 MAX_DESCENDANTS = 25
class MempoolPackagesTest(BitcoinTestFramework): class MempoolPackagesTest(BitcoinTestFramework):
def set_test_params(self): def set_test_params(self):
self.num_nodes = 2 self.num_nodes = 2
@ -58,10 +57,17 @@ class MempoolPackagesTest(BitcoinTestFramework):
# Mine some blocks and have them mature. # Mine some blocks and have them mature.
self.nodes[0].generate(101) self.nodes[0].generate(101)
utxo = self.nodes[0].listunspent(10) utxos = []
txid = utxo[0]['txid'] for utxo in self.nodes[0].listunspent(10):
vout = utxo[0]['vout'] # Skip change/fees we scooped up
value = utxo[0]['amount'] if utxo['amount'] != Decimal(50):
continue
utxos.append(utxo)
assert_greater_than(len(utxos), 1)
txid = utxos[0]['txid']
vout = utxos[0]['vout']
value = utxos[0]['amount']
fee = Decimal("0.0001") fee = Decimal("0.0001")
# MAX_ANCESTORS transactions off a confirmed tx should be fine # MAX_ANCESTORS transactions off a confirmed tx should be fine
@ -208,9 +214,9 @@ class MempoolPackagesTest(BitcoinTestFramework):
# TODO: test ancestor size limits # TODO: test ancestor size limits
# Now test descendant chain limits # Now test descendant chain limits
txid = utxo[1]['txid'] txid = utxos[1]['txid']
value = utxo[1]['amount'] value = utxos[1]['amount']
vout = utxo[1]['vout'] vout = utxos[1]['vout']
transaction_package = [] transaction_package = []
tx_children = [] tx_children = []