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Merge #21117: test: remove assert_blockchain_height
fa0a4d6c605b8ed47796f68068d6273bef7fcaef test: remove assert_blockchain_height (MarcoFalke) Pull request description: This simplifies the code and solves intermittent timeouts caused by commit 0d39b5848a7a341cd2b958336861cdd4098e2616. E.g. https://cirrus-ci.com/task/5196092369272832?command=ci#L3126 ``` test 2021-02-08T12:27:56.275000Z TestFramework (ERROR): Assertion failed Traceback (most recent call last): File "/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/test_framework/test_framework.py", line 127, in main self.run_test() File "/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/feature_assumevalid.py", line 180, in run_test self.assert_blockchain_height(self.nodes[0], 101) File "/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/feature_assumevalid.py", line 92, in assert_blockchain_height assert False, "blockchain too short after timeout: %d" % current_height AssertionError: blockchain too short after timeout: 101 ACKs for top commit: glozow: ACK fa0a4d6c60 Tree-SHA512: 3859b0c1581c21f03c775f119204cc3a219e5d86346883634886f6da46feaf254b9c6c49c1ec4581ffe409cdf05f6e91ec38c3976c3daf4a9e67f96ddc1e0dce
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@ -29,9 +29,12 @@ Start three nodes:
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block 200. node2 will reject block 102 since it's assumed valid, but it
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isn't buried by at least two weeks' work.
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"""
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import time
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from test_framework.blocktools import (COINBASE_MATURITY,create_block, create_coinbase)
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from test_framework.blocktools import (
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COINBASE_MATURITY,
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create_block,
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create_coinbase,
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)
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from test_framework.key import ECKey
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from test_framework.messages import (
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CBlockHeader,
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@ -45,7 +48,7 @@ from test_framework.messages import (
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from test_framework.mininode import P2PInterface
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from test_framework.script import (CScript, OP_TRUE)
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (assert_equal, set_node_times)
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from test_framework.util import (assert_equal, set_node_times, wait_until)
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class BaseNode(P2PInterface):
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@ -80,24 +83,6 @@ class AssumeValidTest(BitcoinTestFramework):
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assert not p2p_conn.is_connected
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break
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def assert_blockchain_height(self, node, height):
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"""Wait until the blockchain is no longer advancing and verify it's reached the expected height."""
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last_height = node.getblock(node.getbestblockhash())['height']
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timeout = 10
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while True:
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time.sleep(0.25)
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current_height = node.getblock(node.getbestblockhash())['height']
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if current_height != last_height:
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last_height = current_height
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if timeout < 0:
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assert False, "blockchain too short after timeout: %d" % current_height
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timeout -= 0.25
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continue
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elif current_height > height:
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assert False, "blockchain too long: %d" % current_height
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elif current_height == height:
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break
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def run_test(self):
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p2p0 = self.nodes[0].add_p2p_connection(BaseNode())
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@ -187,7 +172,8 @@ class AssumeValidTest(BitcoinTestFramework):
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# Send blocks to node0. Block 102 will be rejected.
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self.send_blocks_until_disconnected(p2p0)
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self.assert_blockchain_height(self.nodes[0], COINBASE_MATURITY + 1)
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wait_until(lambda: self.nodes[0].getblockcount() >= COINBASE_MATURITY + 1)
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assert_equal(self.nodes[0].getblockcount(), COINBASE_MATURITY + 1)
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# Send 200 blocks to node1. All blocks, including block 102, will be accepted.
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for i in range(200):
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@ -198,7 +184,8 @@ class AssumeValidTest(BitcoinTestFramework):
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# Send blocks to node2. Block 102 will be rejected.
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self.send_blocks_until_disconnected(p2p2)
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self.assert_blockchain_height(self.nodes[2], COINBASE_MATURITY + 1)
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wait_until(lambda: self.nodes[2].getblockcount() >= COINBASE_MATURITY + 1)
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assert_equal(self.nodes[2].getblockcount(), COINBASE_MATURITY + 1)
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if __name__ == '__main__':
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