diff options
Diffstat (limited to 'qa/rpc-tests/pruning.py')
| -rwxr-xr-x | qa/rpc-tests/pruning.py | 68 |
1 files changed, 34 insertions, 34 deletions
diff --git a/qa/rpc-tests/pruning.py b/qa/rpc-tests/pruning.py index eccd157e5c..92d33bd20e 100755 --- a/qa/rpc-tests/pruning.py +++ b/qa/rpc-tests/pruning.py @@ -1,5 +1,5 @@ -#!/usr/bin/env python2 -# Copyright (c) 2014-2015 The Bitcoin Core developers +#!/usr/bin/env python3 +# Copyright (c) 2014-2016 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -57,7 +57,7 @@ class PruneTest(BitcoinTestFramework): sync_blocks(self.nodes[0:2]) self.nodes[0].generate(150) # Then mine enough full blocks to create more than 550MiB of data - for i in xrange(645): + for i in range(645): self.mine_full_block(self.nodes[0], self.address[0]) sync_blocks(self.nodes[0:3]) @@ -65,11 +65,11 @@ class PruneTest(BitcoinTestFramework): def test_height_min(self): if not os.path.isfile(self.prunedir+"blk00000.dat"): raise AssertionError("blk00000.dat is missing, pruning too early") - print "Success" - print "Though we're already using more than 550MiB, current usage:", calc_usage(self.prunedir) - print "Mining 25 more blocks should cause the first block file to be pruned" + print("Success") + print("Though we're already using more than 550MiB, current usage:", calc_usage(self.prunedir)) + print("Mining 25 more blocks should cause the first block file to be pruned") # Pruning doesn't run until we're allocating another chunk, 20 full blocks past the height cutoff will ensure this - for i in xrange(25): + for i in range(25): self.mine_full_block(self.nodes[0],self.address[0]) waitstart = time.time() @@ -78,17 +78,17 @@ class PruneTest(BitcoinTestFramework): if time.time() - waitstart > 10: raise AssertionError("blk00000.dat not pruned when it should be") - print "Success" + print("Success") usage = calc_usage(self.prunedir) - print "Usage should be below target:", usage + print("Usage should be below target:", usage) if (usage > 550): raise AssertionError("Pruning target not being met") def create_chain_with_staleblocks(self): # Create stale blocks in manageable sized chunks - print "Mine 24 (stale) blocks on Node 1, followed by 25 (main chain) block reorg from Node 0, for 12 rounds" + print("Mine 24 (stale) blocks on Node 1, followed by 25 (main chain) block reorg from Node 0, for 12 rounds") - for j in xrange(12): + for j in range(12): # Disconnect node 0 so it can mine a longer reorg chain without knowing about node 1's soon-to-be-stale chain # Node 2 stays connected, so it hears about the stale blocks and then reorg's when node0 reconnects # Stopping node 0 also clears its mempool, so it doesn't have node1's transactions to accidentally mine @@ -96,7 +96,7 @@ class PruneTest(BitcoinTestFramework): self.nodes[0]=start_node(0, self.options.tmpdir, ["-debug","-maxreceivebuffer=20000","-blockmaxsize=999000", "-checkblocks=5"], timewait=900) # Mine 24 blocks in node 1 self.utxo = self.nodes[1].listunspent() - for i in xrange(24): + for i in range(24): if j == 0: self.mine_full_block(self.nodes[1],self.address[1]) else: @@ -104,7 +104,7 @@ class PruneTest(BitcoinTestFramework): # Reorg back with 25 block chain from node 0 self.utxo = self.nodes[0].listunspent() - for i in xrange(25): + for i in range(25): self.mine_full_block(self.nodes[0],self.address[0]) # Create connections in the order so both nodes can see the reorg at the same time @@ -112,7 +112,7 @@ class PruneTest(BitcoinTestFramework): connect_nodes(self.nodes[2], 0) sync_blocks(self.nodes[0:3]) - print "Usage can be over target because of high stale rate:", calc_usage(self.prunedir) + print("Usage can be over target because of high stale rate:", calc_usage(self.prunedir)) def reorg_test(self): # Node 1 will mine a 300 block chain starting 287 blocks back from Node 0 and Node 2's tip @@ -123,11 +123,11 @@ class PruneTest(BitcoinTestFramework): self.nodes[1]=start_node(1, self.options.tmpdir, ["-debug","-maxreceivebuffer=20000","-blockmaxsize=5000", "-checkblocks=5", "-disablesafemode"], timewait=900) height = self.nodes[1].getblockcount() - print "Current block height:", height + print("Current block height:", height) invalidheight = height-287 badhash = self.nodes[1].getblockhash(invalidheight) - print "Invalidating block at height:",invalidheight,badhash + print("Invalidating block at height:",invalidheight,badhash) self.nodes[1].invalidateblock(badhash) # We've now switched to our previously mined-24 block fork on node 1, but thats not what we want @@ -139,29 +139,29 @@ class PruneTest(BitcoinTestFramework): curhash = self.nodes[1].getblockhash(invalidheight - 1) assert(self.nodes[1].getblockcount() == invalidheight - 1) - print "New best height", self.nodes[1].getblockcount() + print("New best height", self.nodes[1].getblockcount()) # Reboot node1 to clear those giant tx's from mempool stop_node(self.nodes[1],1) self.nodes[1]=start_node(1, self.options.tmpdir, ["-debug","-maxreceivebuffer=20000","-blockmaxsize=5000", "-checkblocks=5", "-disablesafemode"], timewait=900) - print "Generating new longer chain of 300 more blocks" + print("Generating new longer chain of 300 more blocks") self.nodes[1].generate(300) - print "Reconnect nodes" + print("Reconnect nodes") connect_nodes(self.nodes[0], 1) connect_nodes(self.nodes[2], 1) sync_blocks(self.nodes[0:3]) - print "Verify height on node 2:",self.nodes[2].getblockcount() - print "Usage possibly still high bc of stale blocks in block files:", calc_usage(self.prunedir) + print("Verify height on node 2:",self.nodes[2].getblockcount()) + print("Usage possibly still high bc of stale blocks in block files:", calc_usage(self.prunedir)) - print "Mine 220 more blocks so we have requisite history (some blocks will be big and cause pruning of previous chain)" + print("Mine 220 more blocks so we have requisite history (some blocks will be big and cause pruning of previous chain)") self.nodes[0].generate(220) #node 0 has many large tx's in its mempool from the disconnects sync_blocks(self.nodes[0:3]) usage = calc_usage(self.prunedir) - print "Usage should be below target:", usage + print("Usage should be below target:", usage) if (usage > 550): raise AssertionError("Pruning target not being met") @@ -173,7 +173,7 @@ class PruneTest(BitcoinTestFramework): self.nodes[2].getblock(self.forkhash) raise AssertionError("Old block wasn't pruned so can't test redownload") except JSONRPCException as e: - print "Will need to redownload block",self.forkheight + print("Will need to redownload block",self.forkheight) # Verify that we have enough history to reorg back to the fork point # Although this is more than 288 blocks, because this chain was written more recently @@ -197,14 +197,14 @@ class PruneTest(BitcoinTestFramework): # At this point node 2 is within 288 blocks of the fork point so it will preserve its ability to reorg if self.nodes[2].getblockcount() < self.mainchainheight: blocks_to_mine = first_reorg_height + 1 - self.mainchainheight - print "Rewind node 0 to prev main chain to mine longer chain to trigger redownload. Blocks needed:", blocks_to_mine + print("Rewind node 0 to prev main chain to mine longer chain to trigger redownload. Blocks needed:", blocks_to_mine) self.nodes[0].invalidateblock(curchainhash) assert(self.nodes[0].getblockcount() == self.mainchainheight) assert(self.nodes[0].getbestblockhash() == self.mainchainhash2) goalbesthash = self.nodes[0].generate(blocks_to_mine)[-1] goalbestheight = first_reorg_height + 1 - print "Verify node 2 reorged back to the main chain, some blocks of which it had to redownload" + print("Verify node 2 reorged back to the main chain, some blocks of which it had to redownload") waitstart = time.time() while self.nodes[2].getblockcount() < goalbestheight: time.sleep(0.1) @@ -217,7 +217,7 @@ class PruneTest(BitcoinTestFramework): def mine_full_block(self, node, address): # Want to create a full block # We'll generate a 66k transaction below, and 14 of them is close to the 1MB block limit - for j in xrange(14): + for j in range(14): if len(self.utxo) < 14: self.utxo = node.listunspent() inputs=[] @@ -241,8 +241,8 @@ class PruneTest(BitcoinTestFramework): def run_test(self): - print "Warning! This test requires 4GB of disk space and takes over 30 mins (up to 2 hours)" - print "Mining a big blockchain of 995 blocks" + print("Warning! This test requires 4GB of disk space and takes over 30 mins (up to 2 hours)") + print("Mining a big blockchain of 995 blocks") self.create_big_chain() # Chain diagram key: # * blocks on main chain @@ -253,12 +253,12 @@ class PruneTest(BitcoinTestFramework): # Start by mining a simple chain that all nodes have # N0=N1=N2 **...*(995) - print "Check that we haven't started pruning yet because we're below PruneAfterHeight" + print("Check that we haven't started pruning yet because we're below PruneAfterHeight") self.test_height_min() # Extend this chain past the PruneAfterHeight # N0=N1=N2 **...*(1020) - print "Check that we'll exceed disk space target if we have a very high stale block rate" + print("Check that we'll exceed disk space target if we have a very high stale block rate") self.create_chain_with_staleblocks() # Disconnect N0 # And mine a 24 block chain on N1 and a separate 25 block chain on N0 @@ -282,7 +282,7 @@ class PruneTest(BitcoinTestFramework): self.mainchainheight = self.nodes[2].getblockcount() #1320 self.mainchainhash2 = self.nodes[2].getblockhash(self.mainchainheight) - print "Check that we can survive a 288 block reorg still" + print("Check that we can survive a 288 block reorg still") (self.forkheight,self.forkhash) = self.reorg_test() #(1033, ) # Now create a 288 block reorg by mining a longer chain on N1 # First disconnect N1 @@ -315,7 +315,7 @@ class PruneTest(BitcoinTestFramework): # \ # *...**(1320) - print "Test that we can rerequest a block we previously pruned if needed for a reorg" + print("Test that we can rerequest a block we previously pruned if needed for a reorg") self.reorg_back() # Verify that N2 still has block 1033 on current chain (@), but not on main chain (*) # Invalidate 1033 on current chain (@) on N2 and we should be able to reorg to @@ -335,7 +335,7 @@ class PruneTest(BitcoinTestFramework): # # N1 doesn't change because 1033 on main chain (*) is invalid - print "Done" + print("Done") if __name__ == '__main__': PruneTest().main() |