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Merge bitcoin/bitcoin#29060: Policy: Report debug message why inputs are non standard

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d8f4e7caf0 doc: add release notes (ismaelsadeeq)
248c175e3d test: ensure `ValidateInputsStandardness` optionally returns debug string (ismaelsadeeq)
d2716e9e5b policy: update `AreInputsStandard` to return error string (ismaelsadeeq)

Pull request description:

  This PR is another attempt at  #13525.

  Transactions that fail `PreChecks` Validation due to non-standard inputs now  returns invalid validation state`TxValidationResult::TX_INPUTS_NOT_STANDARD` along with a debug error message.

  Previously, the debug error message for non-standard inputs do not specify why the inputs were considered non-standard.
  Instead, the same error string, `bad-txns-nonstandard-inputs`, used for all types of non-standard input scriptSigs.

  This PR updates the `AreInputsStandard`  to include the reason why inputs are non-standard in the debug message.
  This improves the `Precheck` debug message to be more descriptive.

  Furthermore, I have addressed all remaining comments from #13525 in this PR.

ACKs for top commit:
  instagibbs:
    ACK d8f4e7caf0
  achow101:
    ACK d8f4e7caf0
  sedited:
    Re-ACK d8f4e7caf0

Tree-SHA512: 19b1a73c68584522f863b9ee2c8d3a735348667f3628dc51e36be3ba59158509509fcc1ffc5683555112c09c8b14da3ad140bb879eac629b6f60b8313cfd8b91
This commit is contained in:
Ava Chow
2026-03-19 15:43:18 -07:00
parent 3ca3e519b6 d8f4e7caf0
commit bc1c540920
10 changed files with 164 additions and 40 deletions
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3
test/functional/mempool_sigoplimit.py
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@@ -208,7 +208,8 @@ class BytesPerSigOpTest(BitcoinTestFramework):
nonstd_tx = CTransaction()
nonstd_tx.vin = [CTxIn(op, CScript([b"", packed_redeem_script])) for op in outpoints]
nonstd_tx.vout = [CTxOut(0, CScript([OP_RETURN, b""]))]
assert_raises_rpc_error(-26, "bad-txns-nonstandard-inputs", self.nodes[0].sendrawtransaction, nonstd_tx.serialize().hex())
assert_raises_rpc_error(-26, "bad-txns-nonstandard-inputs, non-witness sigops exceed bip54 limit",
self.nodes[0].sendrawtransaction, nonstd_tx.serialize().hex())
# Spending one less accounts for 2490 legacy sigops and is standard.
std_tx = deepcopy(nonstd_tx)