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-rwxr-xr-xtest/rpc-tests/prioritise_transaction.py124
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diff --git a/test/rpc-tests/prioritise_transaction.py b/test/rpc-tests/prioritise_transaction.py
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+++ b/test/rpc-tests/prioritise_transaction.py
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+#!/usr/bin/env python3
+# Copyright (c) 2015-2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Test the prioritisetransaction mining RPC."""
+
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import *
+from test_framework.mininode import COIN, MAX_BLOCK_BASE_SIZE
+
+class PrioritiseTransactionTest(BitcoinTestFramework):
+
+ def __init__(self):
+ super().__init__()
+ self.setup_clean_chain = True
+ self.num_nodes = 1
+
+ self.txouts = gen_return_txouts()
+
+ def setup_network(self):
+ self.nodes = []
+ self.is_network_split = False
+
+ self.nodes.append(start_node(0, self.options.tmpdir, ["-printpriority=1"]))
+ self.relayfee = self.nodes[0].getnetworkinfo()['relayfee']
+
+ def run_test(self):
+ utxo_count = 90
+ utxos = create_confirmed_utxos(self.relayfee, self.nodes[0], utxo_count)
+ base_fee = self.relayfee*100 # our transactions are smaller than 100kb
+ txids = []
+
+ # Create 3 batches of transactions at 3 different fee rate levels
+ range_size = utxo_count // 3
+ for i in range(3):
+ txids.append([])
+ start_range = i * range_size
+ end_range = start_range + range_size
+ txids[i] = create_lots_of_big_transactions(self.nodes[0], self.txouts, utxos[start_range:end_range], end_range - start_range, (i+1)*base_fee)
+
+ # Make sure that the size of each group of transactions exceeds
+ # MAX_BLOCK_BASE_SIZE -- otherwise the test needs to be revised to create
+ # more transactions.
+ mempool = self.nodes[0].getrawmempool(True)
+ sizes = [0, 0, 0]
+ for i in range(3):
+ for j in txids[i]:
+ assert(j in mempool)
+ sizes[i] += mempool[j]['size']
+ assert(sizes[i] > MAX_BLOCK_BASE_SIZE) # Fail => raise utxo_count
+
+ # 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
+ self.nodes[0].prioritisetransaction(txids[0][0], int(3*base_fee*COIN))
+
+ self.nodes[0].generate(1)
+
+ mempool = self.nodes[0].getrawmempool()
+ self.log.info("Assert that prioritised transaction was mined")
+ assert(txids[0][0] not in mempool)
+ assert(txids[0][1] in mempool)
+
+ high_fee_tx = None
+ for x in txids[2]:
+ if x not in mempool:
+ high_fee_tx = x
+
+ # Something high-fee should have been mined!
+ assert(high_fee_tx != None)
+
+ # Add a prioritisation before a tx is in the mempool (de-prioritising a
+ # high-fee transaction so that it's now low fee).
+ self.nodes[0].prioritisetransaction(high_fee_tx, -int(2*base_fee*COIN))
+
+ # Add everything back to mempool
+ self.nodes[0].invalidateblock(self.nodes[0].getbestblockhash())
+
+ # Check to make sure our high fee rate tx is back in the mempool
+ mempool = self.nodes[0].getrawmempool()
+ assert(high_fee_tx in mempool)
+
+ # Now verify the modified-high feerate transaction isn't mined before
+ # the other high fee transactions. Keep mining until our mempool has
+ # decreased by all the high fee size that we calculated above.
+ while (self.nodes[0].getmempoolinfo()['bytes'] > sizes[0] + sizes[1]):
+ self.nodes[0].generate(1)
+
+ # High fee transaction should not have been mined, but other high fee rate
+ # transactions should have been.
+ mempool = self.nodes[0].getrawmempool()
+ self.log.info("Assert that de-prioritised transaction is still in mempool")
+ assert(high_fee_tx in mempool)
+ for x in txids[2]:
+ if (x != high_fee_tx):
+ assert(x not in mempool)
+
+ # Create a free 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"]
+ raw_tx = self.nodes[0].createrawtransaction(inputs, outputs)
+ tx_hex = self.nodes[0].signrawtransaction(raw_tx)["hex"]
+ tx_id = self.nodes[0].decoderawtransaction(tx_hex)["txid"]
+
+ # This will raise an exception due to min relay fee not being met
+ assert_raises_jsonrpc(-26, "66: min relay fee not met", self.nodes[0].sendrawtransaction, tx_hex)
+ assert(tx_id not in self.nodes[0].getrawmempool())
+
+ # 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(tx_id, int(self.relayfee*COIN))
+
+ self.log.info("Assert that prioritised free transaction is accepted to mempool")
+ assert_equal(self.nodes[0].sendrawtransaction(tx_hex), tx_id)
+ assert(tx_id in self.nodes[0].getrawmempool())
+
+if __name__ == '__main__':
+ PrioritiseTransactionTest().main()