From 25b078658139c1aea58393a32ac5a79144d8d140 Mon Sep 17 00:00:00 2001 From: Gregory Sanders Date: Thu, 25 Apr 2019 17:01:01 -0400 Subject: [PATCH] Fix missing input template by making minimal tx --- test/functional/data/invalid_txs.py | 6 +++++- test/functional/feature_block.py | 14 -------------- 2 files changed, 5 insertions(+), 15 deletions(-) diff --git a/test/functional/data/invalid_txs.py b/test/functional/data/invalid_txs.py index 02deae92f..d262dae5a 100644 --- a/test/functional/data/invalid_txs.py +++ b/test/functional/data/invalid_txs.py @@ -71,9 +71,13 @@ class InputMissing(BadTxTemplate): reject_reason = "bad-txns-vin-empty" expect_disconnect = False + # We use a blank transaction here to make sure + # it is interpreted as a non-witness transaction. + # Otherwise the transaction will fail the + # "surpufluous witness" check during deserialization + # rather than the input count check. def get_tx(self): tx = CTransaction() - tx.vout.append(CTxOut(0, sc.CScript([sc.OP_TRUE] * 100))) tx.calc_sha256() return tx diff --git a/test/functional/feature_block.py b/test/functional/feature_block.py index 61f705e23..72eb4f804 100755 --- a/test/functional/feature_block.py +++ b/test/functional/feature_block.py @@ -146,20 +146,6 @@ class FullBlockTest(BitcoinTestFramework): badtx = template.get_tx() if TxTemplate != invalid_txs.InputMissing: self.sign_tx(badtx, attempt_spend_tx) - else: - # Segwit is active in regtest at this point, so to deserialize a - # transaction without any inputs correctly, we set the outputs - # to an empty list. This is a hack, as the serialization of an - # empty list of outputs is deserialized as flags==0 and thus - # deserialization of the outputs is skipped. - # A policy check requires "loose" txs to be of a minimum size, - # so vtx is not set to be empty in the TxTemplate class and we - # only apply the workaround where txs are not "loose", i.e. in - # blocks. - # - # The workaround has the purpose that both sides calculate - # the same tx hash in the merkle tree - badtx.vout = [] badtx.rehash() badblock = self.update_block(blockname, [badtx]) self.send_blocks(