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-rw-r--r--src/test/validation_block_tests.cpp36
1 files changed, 35 insertions, 1 deletions
diff --git a/src/test/validation_block_tests.cpp b/src/test/validation_block_tests.cpp
index afb3db36a2..c345f1eafb 100644
--- a/src/test/validation_block_tests.cpp
+++ b/src/test/validation_block_tests.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2018-2019 The Bitcoin Core developers
+// Copyright (c) 2018-2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@@ -340,4 +340,38 @@ BOOST_AUTO_TEST_CASE(mempool_locks_reorg)
rpc_thread.join();
}
}
+
+BOOST_AUTO_TEST_CASE(witness_commitment_index)
+{
+ CScript pubKey;
+ pubKey << 1 << OP_TRUE;
+ auto ptemplate = BlockAssembler(*m_node.mempool, Params()).CreateNewBlock(pubKey);
+ CBlock pblock = ptemplate->block;
+
+ CTxOut witness;
+ witness.scriptPubKey.resize(MINIMUM_WITNESS_COMMITMENT);
+ witness.scriptPubKey[0] = OP_RETURN;
+ witness.scriptPubKey[1] = 0x24;
+ witness.scriptPubKey[2] = 0xaa;
+ witness.scriptPubKey[3] = 0x21;
+ witness.scriptPubKey[4] = 0xa9;
+ witness.scriptPubKey[5] = 0xed;
+
+ // A witness larger than the minimum size is still valid
+ CTxOut min_plus_one = witness;
+ min_plus_one.scriptPubKey.resize(MINIMUM_WITNESS_COMMITMENT + 1);
+
+ CTxOut invalid = witness;
+ invalid.scriptPubKey[0] = OP_VERIFY;
+
+ CMutableTransaction txCoinbase(*pblock.vtx[0]);
+ txCoinbase.vout.resize(4);
+ txCoinbase.vout[0] = witness;
+ txCoinbase.vout[1] = witness;
+ txCoinbase.vout[2] = min_plus_one;
+ txCoinbase.vout[3] = invalid;
+ pblock.vtx[0] = MakeTransactionRef(std::move(txCoinbase));
+
+ BOOST_CHECK_EQUAL(GetWitnessCommitmentIndex(pblock), 2);
+}
BOOST_AUTO_TEST_SUITE_END()