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-rwxr-xr-xtest/functional/rpc_psbt.py10
1 files changed, 10 insertions, 0 deletions
diff --git a/test/functional/rpc_psbt.py b/test/functional/rpc_psbt.py
index 5a04e0c8d8..cb8320a6c2 100755
--- a/test/functional/rpc_psbt.py
+++ b/test/functional/rpc_psbt.py
@@ -382,6 +382,16 @@ 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)