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-rwxr-xr-xtest/functional/rpc_psbt.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/test/functional/rpc_psbt.py b/test/functional/rpc_psbt.py
index 7c8c6c9af0..92132addba 100755
--- a/test/functional/rpc_psbt.py
+++ b/test/functional/rpc_psbt.py
@@ -168,6 +168,13 @@ class PSBTTest(BitcoinTestFramework):
assert tx_in["sequence"] > MAX_BIP125_RBF_SEQUENCE
assert_equal(decoded_psbt["tx"]["locktime"], 0)
+ # Regression test for 14473 (mishandling of already-signed witness transaction):
+ psbtx_info = self.nodes[0].walletcreatefundedpsbt([{"txid":unspent["txid"], "vout":unspent["vout"]}], [{self.nodes[2].getnewaddress():unspent["amount"]+1}])
+ complete_psbt = self.nodes[0].walletprocesspsbt(psbtx_info["psbt"])
+ double_processed_psbt = self.nodes[0].walletprocesspsbt(complete_psbt["psbt"])
+ assert_equal(complete_psbt, double_processed_psbt)
+ # We don't care about the decode result, but decoding must succeed.
+ self.nodes[0].decodepsbt(double_processed_psbt["psbt"])
# Make sure change address wallet does not have P2SH innerscript access to results in success
# when attempting BnB coin selection