Auto merge of #1600 - str4d:1557-consensus-rule-disallow-v0-txns, r=daira
Disallow v0 transactions as a consensus rule Closes #1557
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f82273829a
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@ -6,6 +6,8 @@
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#ifndef BITCOIN_CONSENSUS_CONSENSUS_H
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#define BITCOIN_CONSENSUS_CONSENSUS_H
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/** The minimum allowed transaction version (network rule) */
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static const int32_t MIN_TX_VERSION = 1;
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/** The maximum allowed size for a serialized block, in bytes (network rule) */
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static const unsigned int MAX_BLOCK_SIZE = 2000000;
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/** The maximum allowed number of signature check operations in a block (network rule) */
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@ -94,6 +94,16 @@ TEST(checktransaction_tests, valid_transaction) {
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EXPECT_TRUE(CheckTransactionWithoutProofVerification(tx, state));
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}
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TEST(checktransaction_tests, BadVersionTooLow) {
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CMutableTransaction mtx = GetValidTransaction();
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mtx.nVersion = 0;
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CTransaction tx(mtx);
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MockCValidationState state;
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EXPECT_CALL(state, DoS(100, false, REJECT_INVALID, "bad-version-too-low", false)).Times(1);
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CheckTransactionWithoutProofVerification(tx, state);
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}
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TEST(checktransaction_tests, bad_txns_vin_empty) {
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CMutableTransaction mtx = GetValidTransaction();
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mtx.vjoinsplit.resize(0);
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@ -851,6 +851,12 @@ bool CheckTransactionWithoutProofVerification(const CTransaction& tx, CValidatio
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{
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// Basic checks that don't depend on any context
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// Check transaction version
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if (tx.nVersion < MIN_TX_VERSION) {
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return state.DoS(100, error("CheckTransaction(): version too low"),
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REJECT_INVALID, "bad-version-too-low");
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}
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// Transactions can contain empty `vin` and `vout` so long as
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// `vjoinsplit` is non-empty.
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if (tx.vin.empty() && tx.vjoinsplit.empty())
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@ -237,8 +237,14 @@ BOOST_AUTO_TEST_CASE(sighash_from_data)
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stream >> tx;
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CValidationState state;
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if (tx.nVersion < MIN_TX_VERSION) {
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// Transaction must be invalid
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BOOST_CHECK_MESSAGE(!CheckTransactionWithoutProofVerification(tx, state), strTest);
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BOOST_CHECK(!state.IsValid());
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} else {
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BOOST_CHECK_MESSAGE(CheckTransactionWithoutProofVerification(tx, state), strTest);
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BOOST_CHECK(state.IsValid());
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}
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std::vector<unsigned char> raw = ParseHex(raw_script);
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scriptCode.insert(scriptCode.end(), raw.begin(), raw.end());
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