diff --git a/test/functional/abc-high_priority_transaction.py b/test/functional/abc-high_priority_transaction.py index 3f1f9671c..1f1f68703 100755 --- a/test/functional/abc-high_priority_transaction.py +++ b/test/functional/abc-high_priority_transaction.py @@ -1,97 +1,94 @@ #!/usr/bin/env python3 # Copyright (c) 2017 The Bitcoin developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. # # Test HighPriorityTransaction code # from test_framework.blocktools import create_confirmed_utxos from test_framework.messages import COIN from test_framework.test_framework import BitcoinTestFramework from test_framework.util import assert_equal, satoshi_round class HighPriorityTransactionTest(BitcoinTestFramework): def set_test_params(self): self.num_nodes = 1 self.extra_args = [["-blockprioritypercentage=0", "-limitfreerelay=2"]] def create_small_transactions(self, node, utxos, num, fee): addr = node.getnewaddress() txids = [] for _ in range(num): t = utxos.pop() inputs = [{"txid": t["txid"], "vout": t["vout"]}] outputs = {} change = t['amount'] - fee outputs[addr] = satoshi_round(change) rawtx = node.createrawtransaction(inputs, outputs) signresult = node.signrawtransactionwithwallet( rawtx, None, "NONE|FORKID") txid = node.sendrawtransaction(signresult["hex"], True) txids.append(txid) return txids def generate_high_priotransactions(self, node, count): # create 150 simple one input one output hi prio txns hiprio_utxo_count = 150 age = 250 # be sure to make this utxo aged enough hiprio_utxos = create_confirmed_utxos(node, hiprio_utxo_count, age) # Create hiprio_utxo_count number of txns with 0 fee txids = self.create_small_transactions( node, hiprio_utxos, hiprio_utxo_count, 0) return txids def run_test(self): # this is the priority cut off as defined in AllowFreeThreshold() (see: src/txmempool.h) # anything above that value is considered an high priority transaction hiprio_threshold = COIN * 144 / 250 self.relayfee = self.nodes[0].getnetworkinfo()['relayfee'] # first test step: 0 reserved prio space in block txids = self.generate_high_priotransactions(self.nodes[0], 150) mempool_size_pre = self.nodes[0].getmempoolinfo()['bytes'] mempool = self.nodes[0].getrawmempool(True) # assert that all the txns are in the mempool and that all of them are hi prio for i in txids: assert(i in mempool) assert(mempool[i]['currentpriority'] > hiprio_threshold) # mine one block self.nodes[0].generate(1) self.log.info( "Assert that all high prio transactions haven't been mined") assert_equal(self.nodes[0].getmempoolinfo()['bytes'], mempool_size_pre) # restart with default blockprioritypercentage - self.stop_nodes() - self.nodes = [] - self.add_nodes(self.num_nodes, [["-limitfreerelay=2"]]) - self.start_nodes() + self.restart_node(0, ["-limitfreerelay=2"]) # second test step: default reserved prio space in block (100K). # the mempool size is about 25K this means that all txns will be # included in the soon to be mined block txids = self.generate_high_priotransactions(self.nodes[0], 150) mempool_size_pre = self.nodes[0].getmempoolinfo()['bytes'] mempool = self.nodes[0].getrawmempool(True) # assert that all the txns are in the mempool and that all of them are hiprio for i in txids: assert(i in mempool) assert(mempool[i]['currentpriority'] > hiprio_threshold) # mine one block self.nodes[0].generate(1) self.log.info("Assert that all high prio transactions have been mined") assert(self.nodes[0].getmempoolinfo()['bytes'] == 0) if __name__ == '__main__': HighPriorityTransactionTest().main()