diff options
Diffstat (limited to 'qa/rpc-tests/prioritise_transaction.py')
| -rwxr-xr-x | qa/rpc-tests/prioritise_transaction.py | 107 |
1 files changed, 43 insertions, 64 deletions
diff --git a/qa/rpc-tests/prioritise_transaction.py b/qa/rpc-tests/prioritise_transaction.py index f376ceee5e..4a79d38da0 100755 --- a/qa/rpc-tests/prioritise_transaction.py +++ b/qa/rpc-tests/prioritise_transaction.py @@ -15,21 +15,7 @@ COIN = 100000000 class PrioritiseTransactionTest(BitcoinTestFramework): def __init__(self): - # Some pre-processing to create a bunch of OP_RETURN txouts to insert into transactions we create - # So we have big transactions (and therefore can't fit very many into each block) - # create one script_pubkey - script_pubkey = "6a4d0200" #OP_RETURN OP_PUSH2 512 bytes - for i in xrange (512): - script_pubkey = script_pubkey + "01" - # concatenate 128 txouts of above script_pubkey which we'll insert before the txout for change - self.txouts = "81" - for k in xrange(128): - # add txout value - self.txouts = self.txouts + "0000000000000000" - # add length of script_pubkey - self.txouts = self.txouts + "fd0402" - # add script_pubkey - self.txouts = self.txouts + script_pubkey + self.txouts = gen_return_txouts() def setup_chain(self): print("Initializing test directory "+self.options.tmpdir) @@ -42,62 +28,15 @@ class PrioritiseTransactionTest(BitcoinTestFramework): self.nodes.append(start_node(0, self.options.tmpdir, ["-debug", "-printpriority=1"])) self.relayfee = self.nodes[0].getnetworkinfo()['relayfee'] - def create_confirmed_utxos(self, count): - self.nodes[0].generate(int(0.5*count)+101) - utxos = self.nodes[0].listunspent() - iterations = count - len(utxos) - addr1 = self.nodes[0].getnewaddress() - addr2 = self.nodes[0].getnewaddress() - if iterations <= 0: - return utxos - for i in xrange(iterations): - t = utxos.pop() - fee = self.relayfee - inputs = [] - inputs.append({ "txid" : t["txid"], "vout" : t["vout"]}) - outputs = {} - send_value = t['amount'] - fee - outputs[addr1] = satoshi_round(send_value/2) - outputs[addr2] = satoshi_round(send_value/2) - raw_tx = self.nodes[0].createrawtransaction(inputs, outputs) - signed_tx = self.nodes[0].signrawtransaction(raw_tx)["hex"] - txid = self.nodes[0].sendrawtransaction(signed_tx) - - while (self.nodes[0].getmempoolinfo()['size'] > 0): - self.nodes[0].generate(1) - - utxos = self.nodes[0].listunspent() - assert(len(utxos) >= count) - return utxos - - def create_lots_of_big_transactions(self, utxos, fee): - addr = self.nodes[0].getnewaddress() - txids = [] - for i in xrange(len(utxos)): - t = utxos.pop() - inputs = [] - inputs.append({ "txid" : t["txid"], "vout" : t["vout"]}) - outputs = {} - send_value = t['amount'] - fee - outputs[addr] = satoshi_round(send_value) - rawtx = self.nodes[0].createrawtransaction(inputs, outputs) - newtx = rawtx[0:92] - newtx = newtx + self.txouts - newtx = newtx + rawtx[94:] - signresult = self.nodes[0].signrawtransaction(newtx, None, None, "NONE") - txid = self.nodes[0].sendrawtransaction(signresult["hex"], True) - txids.append(txid) - return txids - def run_test(self): - utxos = self.create_confirmed_utxos(90) + utxos = create_confirmed_utxos(self.relayfee, self.nodes[0], 90) base_fee = self.relayfee*100 # our transactions are smaller than 100kb txids = [] # Create 3 batches of transactions at 3 different fee rate levels for i in xrange(3): txids.append([]) - txids[i] = self.create_lots_of_big_transactions(utxos[30*i:30*i+30], (i+1)*base_fee) + txids[i] = create_lots_of_big_transactions(self.nodes[0], self.txouts, utxos[30*i:30*i+30], (i+1)*base_fee) # add a fee delta to something in the cheapest bucket and make sure it gets mined # also check that a different entry in the cheapest bucket is NOT mined (lower @@ -143,5 +82,45 @@ class PrioritiseTransactionTest(BitcoinTestFramework): if (x != high_fee_tx): assert(x not in mempool) + # Create a free, low priority transaction. Should be rejected. + utxo_list = self.nodes[0].listunspent() + assert(len(utxo_list) > 0) + utxo = utxo_list[0] + + inputs = [] + outputs = {} + inputs.append({"txid" : utxo["txid"], "vout" : utxo["vout"]}) + outputs[self.nodes[0].getnewaddress()] = utxo["amount"] - self.relayfee + raw_tx = self.nodes[0].createrawtransaction(inputs, outputs) + tx_hex = self.nodes[0].signrawtransaction(raw_tx)["hex"] + txid = self.nodes[0].sendrawtransaction(tx_hex) + + # A tx that spends an in-mempool tx has 0 priority, so we can use it to + # test the effect of using prioritise transaction for mempool acceptance + inputs = [] + inputs.append({"txid": txid, "vout": 0}) + outputs = {} + outputs[self.nodes[0].getnewaddress()] = utxo["amount"] - self.relayfee + raw_tx2 = self.nodes[0].createrawtransaction(inputs, outputs) + tx2_hex = self.nodes[0].signrawtransaction(raw_tx2)["hex"] + tx2_id = self.nodes[0].decoderawtransaction(tx2_hex)["txid"] + + try: + self.nodes[0].sendrawtransaction(tx2_hex) + except JSONRPCException as exp: + assert_equal(exp.error['code'], -26) # insufficient fee + assert(tx2_id not in self.nodes[0].getrawmempool()) + else: + assert(False) + + # This is a less than 1000-byte transaction, so just set the fee + # to be the minimum for a 1000 byte transaction and check that it is + # accepted. + self.nodes[0].prioritisetransaction(tx2_id, 0, int(self.relayfee*COIN)) + + print "Assert that prioritised free transaction is accepted to mempool" + assert_equal(self.nodes[0].sendrawtransaction(tx2_hex), tx2_id) + assert(tx2_id in self.nodes[0].getrawmempool()) + if __name__ == '__main__': PrioritiseTransactionTest().main() |