test: Migrate maxuploadtarget.py to Python 3
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@ -1,4 +1,4 @@
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#!/usr/bin/env python2
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#!/usr/bin/env python3
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#
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# Distributed under the MIT/X11 software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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@ -90,11 +90,11 @@ class MaxUploadTest(BitcoinTestFramework):
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# So we have big transactions and full blocks to fill up our block files
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# create one script_pubkey
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script_pubkey = "6a4d0200" #OP_RETURN OP_PUSH2 512 bytes
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for i in xrange (512):
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for _ in range(512):
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script_pubkey = script_pubkey + "01"
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# concatenate 128 txouts of above script_pubkey which we'll insert before the txout for change
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self.txouts = "81"
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for k in xrange(128):
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for _ in range(128):
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# add txout value
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self.txouts = self.txouts + "0000000000000000"
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# add length of script_pubkey
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@ -118,7 +118,7 @@ class MaxUploadTest(BitcoinTestFramework):
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def mine_full_block(self, node, address):
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# Want to create a full block
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# We'll generate a 66k transaction below, and 14 of them is close to the 1MB block limit
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for j in xrange(14):
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for _ in range(14):
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if len(self.utxo) < 14:
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self.utxo = node.listunspent()
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inputs=[]
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@ -156,7 +156,7 @@ class MaxUploadTest(BitcoinTestFramework):
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test_nodes = []
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connections = []
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for i in xrange(3):
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for i in range(3):
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test_nodes.append(TestNode())
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connections.append(NodeConn('127.0.0.1', p2p_port(0), self.nodes[0], test_nodes[i]))
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test_nodes[i].add_connection(connections[i])
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@ -198,7 +198,7 @@ class MaxUploadTest(BitcoinTestFramework):
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# 144MB will be reserved for relaying new blocks, so expect this to
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# succeed for ~70 tries.
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for i in xrange(success_count):
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for i in range(int(success_count)):
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test_nodes[0].send_message(getdata_request)
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test_nodes[0].sync_with_ping()
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assert_equal(test_nodes[0].block_receive_map[big_old_block], i+1)
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@ -206,22 +206,22 @@ class MaxUploadTest(BitcoinTestFramework):
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assert_equal(len(self.nodes[0].getpeerinfo()), 3)
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# At most a couple more tries should succeed (depending on how long
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# the test has been running so far).
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for i in xrange(3):
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for i in range(3):
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test_nodes[0].send_message(getdata_request)
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test_nodes[0].wait_for_disconnect()
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assert_equal(len(self.nodes[0].getpeerinfo()), 2)
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print "Peer 0 disconnected after downloading old block too many times"
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print("Peer 0 disconnected after downloading old block too many times")
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# Requesting the current block on test_nodes[1] should succeed indefinitely,
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# even when over the max upload target.
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# We'll try 200 times
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getdata_request.inv = [CInv(2, big_new_block)]
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for i in xrange(200):
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for i in range(200):
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test_nodes[1].send_message(getdata_request)
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test_nodes[1].sync_with_ping()
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assert_equal(test_nodes[1].block_receive_map[big_new_block], i+1)
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print "Peer 1 able to repeatedly download new block"
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print("Peer 1 able to repeatedly download new block")
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# But if test_nodes[1] tries for an old block, it gets disconnected too.
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getdata_request.inv = [CInv(2, big_old_block)]
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@ -229,9 +229,9 @@ class MaxUploadTest(BitcoinTestFramework):
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test_nodes[1].wait_for_disconnect()
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assert_equal(len(self.nodes[0].getpeerinfo()), 1)
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print "Peer 1 disconnected after trying to download old block"
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print("Peer 1 disconnected after trying to download old block")
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print "Advancing system time on node to clear counters..."
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print("Advancing system time on node to clear counters...")
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# If we advance the time by 24 hours, then the counters should reset,
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# and test_nodes[2] should be able to retrieve the old block.
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@ -241,12 +241,12 @@ class MaxUploadTest(BitcoinTestFramework):
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test_nodes[2].sync_with_ping()
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assert_equal(test_nodes[2].block_receive_map[big_old_block], 1)
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print "Peer 2 able to download old block"
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print("Peer 2 able to download old block")
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[c.disconnect_node() for c in connections]
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#stop and start node 0 with 1MB maxuploadtarget, whitelist 127.0.0.1
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print "Restarting nodes with -whitelist=127.0.0.1"
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print("Restarting nodes with -whitelist=127.0.0.1")
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stop_node(self.nodes[0], 0)
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self.nodes[0] = start_node(0, self.options.tmpdir, ["-debug", "-whitelist=127.0.0.1", "-maxuploadtarget=1", "-blockmaxsize=999000"])
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@ -254,7 +254,7 @@ class MaxUploadTest(BitcoinTestFramework):
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test_nodes = []
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connections = []
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for i in xrange(3):
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for i in range(3):
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test_nodes.append(TestNode())
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connections.append(NodeConn('127.0.0.1', p2p_port(0), self.nodes[0], test_nodes[i]))
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test_nodes[i].add_connection(connections[i])
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@ -264,7 +264,7 @@ class MaxUploadTest(BitcoinTestFramework):
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#retrieve 20 blocks which should be enough to break the 1MB limit
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getdata_request.inv = [CInv(2, big_new_block)]
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for i in xrange(20):
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for i in range(20):
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test_nodes[1].send_message(getdata_request)
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test_nodes[1].sync_with_ping()
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assert_equal(test_nodes[1].block_receive_map[big_new_block], i+1)
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@ -274,7 +274,7 @@ class MaxUploadTest(BitcoinTestFramework):
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test_nodes[1].wait_for_disconnect()
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assert_equal(len(self.nodes[0].getpeerinfo()), 3) #node is still connected because of the whitelist
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print "Peer 1 still connected after trying to download old block (whitelisted)"
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print("Peer 1 still connected after trying to download old block (whitelisted)")
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[c.disconnect_node() for c in connections]
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