From 83f6c0f9ef3a1962be02db479ddf87cb22b8c14b Mon Sep 17 00:00:00 2001
From: Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
Date: Thu, 18 Nov 2021 00:41:28 +0100
Subject: [PATCH] test: add decodescript RPC test for P2TR output type

---
 test/functional/rpc_decodescript.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/functional/rpc_decodescript.py b/test/functional/rpc_decodescript.py
index 865febd4631..8c0f48129a1 100755
--- a/test/functional/rpc_decodescript.py
+++ b/test/functional/rpc_decodescript.py
@@ -176,6 +176,14 @@ class DecodeScriptTest(BitcoinTestFramework):
         # a nested segwit script should not be returned in the results.
         assert 'segwit' not in rpc_result
 
+        self.log.info("- P2TR")
+        # 1 <x-only pubkey>
+        xonly_public_key = '01'*32  # first ever P2TR output on mainnet
+        rpc_result = self.nodes[0].decodescript('5120' + xonly_public_key)
+        assert_equal('witness_v1_taproot', rpc_result['type'])
+        assert_equal('1 ' + xonly_public_key, rpc_result['asm'])
+        assert 'segwit' not in rpc_result
+
     def decoderawtransaction_asm_sighashtype(self):
         """Test decoding scripts via RPC command "decoderawtransaction".