Coinbase transactions can not have shielded spend or output
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@ -1171,6 +1171,14 @@ bool CheckTransactionWithoutProofVerification(const CTransaction& tx, CValidatio
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return state.DoS(100, error("CheckTransaction(): coinbase has joinsplits"),
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REJECT_INVALID, "bad-cb-has-joinsplits");
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// A coinbase transaction cannot have spend descriptions or output descriptions
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if (tx.vShieldedSpend.size() > 0)
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return state.DoS(100, error("CheckTransaction(): coinbase has spend descriptions"),
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REJECT_INVALID, "bad-cb-has-spend-description");
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if (tx.vShieldedOutput.size() > 0)
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return state.DoS(100, error("CheckTransaction(): coinbase has output descriptions"),
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REJECT_INVALID, "bad-cb-has-output-description");
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if (tx.vin[0].scriptSig.size() < 2 || tx.vin[0].scriptSig.size() > 100)
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return state.DoS(100, error("CheckTransaction(): coinbase script size"),
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REJECT_INVALID, "bad-cb-length");
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@ -438,6 +438,28 @@ void test_simple_sapling_invalidity(uint32_t consensusBranchId, CMutableTransact
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BOOST_CHECK(CheckTransactionWithoutProofVerification(newTx, state));
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}
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{
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CMutableTransaction newTx(tx);
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CValidationState state;
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// Create a coinbase transaction
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CTxIn vin;
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vin.prevout = COutPoint();
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newTx.vin.push_back(vin);
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CTxOut vout;
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vout.nValue = 1;
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newTx.vout.push_back(vout);
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newTx.vShieldedOutput.push_back(OutputDescription());
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BOOST_CHECK(!CheckTransactionWithoutProofVerification(newTx, state));
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BOOST_CHECK(state.GetRejectReason() == "bad-cb-has-output-description");
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newTx.vShieldedSpend.push_back(SpendDescription());
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BOOST_CHECK(!CheckTransactionWithoutProofVerification(newTx, state));
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BOOST_CHECK(state.GetRejectReason() == "bad-cb-has-spend-description");
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}
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}
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void test_simple_joinsplit_invalidity(uint32_t consensusBranchId, CMutableTransaction tx)
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