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Merge #14964: test: Fix race in mempool_accept

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faee59103d test: Fix race in mempool_accept (MarcoFalke)

Pull request description:

  If we happen to pick the same random coin to spend, there would be mempool conflicts in some runs of the test. Fix that by popping from a static list of coins to spend from.

Tree-SHA512: f6fd37e43d919371aa8bc3a2c93b569f9169961fe702f3641bb63180c3a88f12ca1857e9ed4d3723d5f04ca8ab5ef009a90e679580f36246a10b987620a55bee
This commit is contained in:
MarcoFalke 2018-12-17 10:11:30 -05:00 committed by Christian Fifi Culp
parent 9273ffd338
commit 1fb61d1b66
1 changed files with 3 additions and 2 deletions
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5
test/functional/mempool_accept.py
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@ -54,6 +54,7 @@ class MempoolAcceptanceTest(BitcoinTestFramework):
self.mempool_size = 0
wait_until(lambda: node.getblockcount() == 200)
assert_equal(node.getmempoolinfo()['size'], self.mempool_size)
coins = node.listunspent()
self.log.info('Should not accept garbage to testmempoolaccept')
assert_raises_rpc_error(-3, 'Expected type array, got string', lambda: node.testmempoolaccept(rawtxs='ff00baar'))
@ -61,7 +62,7 @@ class MempoolAcceptanceTest(BitcoinTestFramework):
assert_raises_rpc_error(-22, 'TX decode failed', lambda: node.testmempoolaccept(rawtxs=['ff00baar']))
self.log.info('A transaction already in the blockchain')
coin = node.listunspent()[0] # Pick a random coin(base) to spend
coin = coins.pop() # Pick a random coin(base) to spend
raw_tx_in_block = node.signrawtransactionwithwallet(node.createrawtransaction(
inputs=[{'txid': coin['txid'], 'vout': coin['vout']}],
outputs=[{node.getnewaddress(): 0.3}, {node.getnewaddress(): 49}],
@ -89,7 +90,7 @@ class MempoolAcceptanceTest(BitcoinTestFramework):
)
self.log.info('A final transaction not in the mempool')
coin = node.listunspent()[0] # Pick a random coin(base) to spend
coin = coins.pop() # Pick a random coin(base) to spend
raw_tx_final = node.signrawtransactionwithwallet(node.createrawtransaction(
inputs=[{'txid': coin['txid'], 'vout': coin['vout'], "sequence": 0xffffffff}], # SEQUENCE_FINAL
outputs=[{node.getnewaddress(): 0.025}],