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Test that joinpsbts randomly shuffles the inputs

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Github-Pull: #16512
Rebased-From: c0b5d97103
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Andrew Chow 2019-08-14 14:29:55 -04:00 committed by fanquake
parent eb07d22b2d
commit b12defc3bc
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10
test/functional/rpc_psbt.py
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@ -361,6 +361,16 @@ class PSBTTest(BitcoinTestFramework):
joined_decoded = self.nodes[0].decodepsbt(joined)
assert len(joined_decoded['inputs']) == 4 and len(joined_decoded['outputs']) == 2 and "final_scriptwitness" not in joined_decoded['inputs'][3] and "final_scriptSig" not in joined_decoded['inputs'][3]
# Check that joining shuffles the inputs and outputs
# 10 attempts should be enough to get a shuffled join
shuffled = False
for i in range(0, 10):
shuffled_joined = self.nodes[0].joinpsbts([psbt, psbt2])
shuffled |= joined != shuffled_joined
if shuffled:
break
assert shuffled
# Newly created PSBT needs UTXOs and updating
addr = self.nodes[1].getnewaddress("", "p2sh-segwit")
txid = self.nodes[0].sendtoaddress(addr, 7)