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79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
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#!/usr/bin/env python3
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# Copyright (c) 2018-2019 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Backwards compatibility functional test
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Test various backwards compatibility scenarios. Download the previous node binaries:
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contrib/devtools/previous_release.sh -b v0.18.1 v0.17.1
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Due to RPC changes introduced in various versions the below tests
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won't work for older versions without some patches or workarounds.
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Use only the latest patch version of each release, unless a test specifically
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needs an older patch version.
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"""
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import os
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from test_framework.test_framework import BitcoinTestFramework, SkipTest
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from test_framework.util import (
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assert_equal,
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sync_blocks
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)
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class BackwardsCompatibilityTest(BitcoinTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 4
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# Add new version after each release:
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self.extra_args = [
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[], # Pre-release: use to mine blocks
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[], # Pre-release: use to receive coins, swap wallets, etc
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[], # v0.18.1
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[] # v0.17.1
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]
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def setup_nodes(self):
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if os.getenv("TEST_PREVIOUS_RELEASES") == "false":
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raise SkipTest("backwards compatibility tests")
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releases_path = os.getenv("PREVIOUS_RELEASES_DIR") or os.getcwd() + "/releases"
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if not os.path.isdir(releases_path):
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if os.getenv("TEST_PREVIOUS_RELEASES") == "true":
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raise AssertionError("TEST_PREVIOUS_RELEASES=1 but releases missing: " + releases_path)
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raise SkipTest("This test requires binaries for previous releases")
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self.add_nodes(self.num_nodes, extra_args=self.extra_args, versions=[
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None,
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None,
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180100,
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170100
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], binary=[
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self.options.bitcoind,
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self.options.bitcoind,
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releases_path + "/v0.18.1/bin/bitcoind",
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releases_path + "/v0.17.1/bin/bitcoind"
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], binary_cli=[
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self.options.bitcoincli,
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self.options.bitcoincli,
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releases_path + "/v0.18.1/bin/bitcoin-cli",
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releases_path + "/v0.17.1/bin/bitcoin-cli"
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])
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self.start_nodes()
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def run_test(self):
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self.nodes[0].generate(101)
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sync_blocks(self.nodes)
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# Sanity check the test framework:
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res = self.nodes[self.num_nodes - 1].getblockchaininfo()
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assert_equal(res['blocks'], 101)
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if __name__ == '__main__':
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BackwardsCompatibilityTest().main()
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