Hush Full Node software. We were censored from Github, this is where all development happens now.
https://hush.is
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85 lines
3.3 KiB
85 lines
3.3 KiB
#!/usr/bin/env python2
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# Copyright (c) 2018 The Zcash developers
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# Distributed under the GPLv3 software license, see the accompanying
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# file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal, initialize_chain_clean, \
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start_nodes, start_node, connect_nodes_bi, bitcoind_processes
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import time
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class RewindBlockIndexTest (BitcoinTestFramework):
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def setup_chain(self):
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print("Initializing test directory "+self.options.tmpdir)
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initialize_chain_clean(self.options.tmpdir, 3)
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def setup_network(self, split=False):
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# Node 0 - Overwinter, then Sprout, then Overwinter again
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# Node 1 - Sprout
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# Node 2 - Overwinter
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self.nodes = start_nodes(3, self.options.tmpdir, extra_args=[['-nuparams=5ba81b19:10'], [], ['-nuparams=5ba81b19:10']])
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connect_nodes_bi(self.nodes,0,1)
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connect_nodes_bi(self.nodes,1,2)
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connect_nodes_bi(self.nodes,0,2)
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self.is_network_split=False
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self.sync_all()
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def run_test (self):
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# Bring all nodes to just before the activation block
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print("Mining blocks...")
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self.nodes[0].generate(8)
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block9 = self.nodes[0].generate(1)[0]
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self.sync_all()
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assert_equal(self.nodes[0].getbestblockhash(), block9)
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assert_equal(self.nodes[1].getbestblockhash(), block9)
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print("Mining diverging blocks")
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block10s = self.nodes[1].generate(1)[0]
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block10o = self.nodes[2].generate(1)[0]
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self.sync_all()
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assert_equal(self.nodes[0].getbestblockhash(), block10o)
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assert_equal(self.nodes[1].getbestblockhash(), block10s)
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assert_equal(self.nodes[2].getbestblockhash(), block10o)
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# Restart node 0 using Sprout instead of Overwinter
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print("Switching node 0 from Overwinter to Sprout")
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self.nodes[0].stop()
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bitcoind_processes[0].wait()
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self.nodes[0] = start_node(0,self.options.tmpdir)
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connect_nodes_bi(self.nodes,0,1)
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connect_nodes_bi(self.nodes,1,2)
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connect_nodes_bi(self.nodes,0,2)
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# Assume node 1 will send block10s to node 0 quickly
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# (if we used self.sync_all() here and there was a bug, the test would hang)
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time.sleep(2)
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# Node 0 has rewound and is now on the Sprout chain
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assert_equal(self.nodes[0].getblockcount(), 10)
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assert_equal(self.nodes[0].getbestblockhash(), block10s)
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# Restart node 0 using Overwinter instead of Sprout
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print("Switching node 0 from Sprout to Overwinter")
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self.nodes[0].stop()
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bitcoind_processes[0].wait()
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self.nodes[0] = start_node(0,self.options.tmpdir, extra_args=['-nuparams=5ba81b19:10'])
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connect_nodes_bi(self.nodes,0,1)
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connect_nodes_bi(self.nodes,1,2)
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connect_nodes_bi(self.nodes,0,2)
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# Assume node 2 will send block10o to node 0 quickly
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# (if we used self.sync_all() here and there was a bug, the test would hang)
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time.sleep(2)
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# Node 0 has rewound and is now on the Overwinter chain again
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assert_equal(self.nodes[0].getblockcount(), 10)
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assert_equal(self.nodes[0].getbestblockhash(), block10o)
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if __name__ == '__main__':
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RewindBlockIndexTest().main()
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