Merge #14247: Fix crash bug with duplicate inputs within a transaction
9b4a36effc
[qa] Test for duplicate inputs within a transaction (Suhas Daftuar)b8f801964f
Fix crash bug with duplicate inputs within a transaction (Suhas Daftuar) Pull request description: Tree-SHA512: 8c7ea34c7fa44188d86c04a690a7cbf8e9deda71ab1f7ca6d11de1f2abb3dd7222627071f86d0d39689a8b302ba9af142f0202466a67e30cd54aed3a08d4eb14
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d926a87fde
2 changed files with 11 additions and 1 deletions
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@ -3122,7 +3122,7 @@ bool CheckBlock(const CBlock& block, CValidationState& state, const Consensus::P
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// Check transactions
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for (const auto& tx : block.vtx)
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if (!CheckTransaction(*tx, state, false))
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if (!CheckTransaction(*tx, state, true))
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return state.Invalid(false, state.GetRejectCode(), state.GetRejectReason(),
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strprintf("Transaction check failed (tx hash %s) %s", tx->GetHash().ToString(), state.GetDebugMessage()));
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@ -81,6 +81,16 @@ class InvalidBlockRequestTest(BitcoinTestFramework):
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node.p2p.send_blocks_and_test([block2], node, success=False, request_block=False, reject_reason='bad-txns-duplicate')
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# Check transactions for duplicate inputs
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self.log.info("Test duplicate input block.")
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block2_orig.vtx[2].vin.append(block2_orig.vtx[2].vin[0])
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block2_orig.vtx[2].rehash()
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block2_orig.hashMerkleRoot = block2_orig.calc_merkle_root()
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block2_orig.rehash()
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block2_orig.solve()
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node.p2p.send_blocks_and_test([block2_orig], node, success=False, request_block=False, reject_reason='bad-txns-inputs-duplicate')
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self.log.info("Test very broken block.")
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block3 = create_block(tip, create_coinbase(height), block_time)
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