diff options
Diffstat (limited to 'src/test/coins_tests.cpp')
-rw-r--r-- | src/test/coins_tests.cpp | 239 |
1 files changed, 107 insertions, 132 deletions
diff --git a/src/test/coins_tests.cpp b/src/test/coins_tests.cpp index 3ad2625bab..8d519c644b 100644 --- a/src/test/coins_tests.cpp +++ b/src/test/coins_tests.cpp @@ -34,27 +34,27 @@ bool operator==(const Coin &a, const Coin &b) { class CCoinsViewTest : public CCoinsView { uint256 hashBestBlock_; - std::map<uint256, CCoins> map_; + std::map<COutPoint, Coin> map_; public: - bool GetCoins(const uint256& txid, CCoins& coins) const + bool GetCoins(const COutPoint& outpoint, Coin& coin) const { - std::map<uint256, CCoins>::const_iterator it = map_.find(txid); + std::map<COutPoint, Coin>::const_iterator it = map_.find(outpoint); if (it == map_.end()) { return false; } - coins = it->second; - if (coins.IsPruned() && insecure_rand() % 2 == 0) { + coin = it->second; + if (coin.IsPruned() && insecure_rand() % 2 == 0) { // Randomly return false in case of an empty entry. return false; } return true; } - bool HaveCoins(const uint256& txid) const + bool HaveCoins(const COutPoint& outpoint) const { - CCoins coins; - return GetCoins(txid, coins); + Coin coin; + return GetCoins(outpoint, coin); } uint256 GetBestBlock() const { return hashBestBlock_; } @@ -106,7 +106,7 @@ static const unsigned int NUM_SIMULATION_ITERATIONS = 40000; // This is a large randomized insert/remove simulation test on a variable-size // stack of caches on top of CCoinsViewTest. // -// It will randomly create/update/delete CCoins entries to a tip of caches, with +// It will randomly create/update/delete Coin entries to a tip of caches, with // txids picked from a limited list of random 256-bit hashes. Occasionally, a // new tip is added to the stack of caches, or the tip is flushed and removed. // @@ -124,7 +124,7 @@ BOOST_AUTO_TEST_CASE(coins_cache_simulation_test) bool missed_an_entry = false; // A simple map to track what we expect the cache stack to represent. - std::map<uint256, CCoins> result; + std::map<COutPoint, Coin> result; // The cache stack. CCoinsViewTest base; // A CCoinsViewTest at the bottom. @@ -142,39 +142,38 @@ BOOST_AUTO_TEST_CASE(coins_cache_simulation_test) // Do a random modification. { uint256 txid = txids[insecure_rand() % txids.size()]; // txid we're going to modify in this iteration. - CCoins& coins = result[txid]; + Coin& coin = result[COutPoint(txid, 0)]; const Coin& entry = stack.back()->AccessCoin(COutPoint(txid, 0)); - BOOST_CHECK((entry.IsPruned() && coins.IsPruned()) || entry == Coin(coins.vout[0], coins.nHeight, coins.fCoinBase)); + BOOST_CHECK(coin == entry); - if (insecure_rand() % 5 == 0 || coins.IsPruned()) { - if (coins.IsPruned()) { + if (insecure_rand() % 5 == 0 || coin.IsPruned()) { + if (coin.IsPruned()) { added_an_entry = true; } else { updated_an_entry = true; } - coins.vout.resize(1); - coins.vout[0].nValue = insecure_rand(); + coin.out.nValue = insecure_rand(); + coin.nHeight = 1; } else { - coins.Clear(); + coin.Clear(); removed_an_entry = true; } - if (coins.IsPruned()) { + if (coin.IsPruned()) { stack.back()->SpendCoin(COutPoint(txid, 0)); } else { - stack.back()->AddCoin(COutPoint(txid, 0), Coin(coins.vout[0], coins.nHeight, coins.fCoinBase), true); + stack.back()->AddCoin(COutPoint(txid, 0), Coin(coin), true); } } // Once every 1000 iterations and at the end, verify the full cache. if (insecure_rand() % 1000 == 1 || i == NUM_SIMULATION_ITERATIONS - 1) { - for (std::map<uint256, CCoins>::iterator it = result.begin(); it != result.end(); it++) { - const CCoins* coins = stack.back()->AccessCoins(it->first); - if (coins) { - BOOST_CHECK(*coins == it->second); - found_an_entry = true; - } else { - BOOST_CHECK(it->second.IsPruned()); + for (auto it = result.begin(); it != result.end(); it++) { + const Coin& coin = stack.back()->AccessCoin(it->first); + BOOST_CHECK(coin == it->second); + if (coin.IsPruned()) { missed_an_entry = true; + } else { + found_an_entry = true; } } BOOST_FOREACH(const CCoinsViewCacheTest *test, stack) { @@ -229,19 +228,19 @@ BOOST_AUTO_TEST_CASE(coins_cache_simulation_test) BOOST_CHECK(missed_an_entry); } -typedef std::tuple<CTransaction,CTxUndo,CCoins> TxData; // Store of all necessary tx and undo data for next test -std::map<uint256, TxData> alltxs; - -TxData &FindRandomFrom(const std::set<uint256> &txidset) { - assert(txidset.size()); - std::set<uint256>::iterator txIt = txidset.lower_bound(GetRandHash()); - if (txIt == txidset.end()) { - txIt = txidset.begin(); +typedef std::map<COutPoint, std::tuple<CTransaction,CTxUndo,Coin>> UtxoData; +UtxoData utxoData; + +UtxoData::iterator FindRandomFrom(const std::set<COutPoint> &utxoSet) { + assert(utxoSet.size()); + auto utxoSetIt = utxoSet.lower_bound(COutPoint(GetRandHash(), 0)); + if (utxoSetIt == utxoSet.end()) { + utxoSetIt = utxoSet.begin(); } - std::map<uint256, TxData>::iterator txdit = alltxs.find(*txIt); - assert(txdit != alltxs.end()); - return txdit->second; + auto utxoDataIt = utxoData.find(*utxoSetIt); + assert(utxoDataIt != utxoData.end()); + return utxoDataIt; } @@ -254,7 +253,7 @@ BOOST_AUTO_TEST_CASE(updatecoins_simulation_test) { bool spent_a_duplicate_coinbase = false; // A simple map to track what we expect the cache stack to represent. - std::map<uint256, CCoins> result; + std::map<COutPoint, Coin> result; // The cache stack. CCoinsViewTest base; // A CCoinsViewTest at the bottom. @@ -262,10 +261,10 @@ BOOST_AUTO_TEST_CASE(updatecoins_simulation_test) stack.push_back(new CCoinsViewCacheTest(&base)); // Start with one cache. // Track the txids we've used in various sets - std::set<uint256> coinbaseids; - std::set<uint256> disconnectedids; - std::set<uint256> duplicateids; - std::set<uint256> utxoset; + std::set<COutPoint> coinbaseids; + std::set<COutPoint> disconnectedids; + std::set<COutPoint> duplicateids; + std::set<COutPoint> utxoset; for (unsigned int i = 0; i < NUM_SIMULATION_ITERATIONS; i++) { uint32_t randiter = insecure_rand(); @@ -277,22 +276,22 @@ BOOST_AUTO_TEST_CASE(updatecoins_simulation_test) tx.vout.resize(1); tx.vout[0].nValue = i; //Keep txs unique unless intended to duplicate unsigned int height = insecure_rand(); - CCoins oldcoins; + Coin oldcoins; // 2/20 times create a new coinbase if (randiter % 20 < 2 || coinbaseids.size() < 10) { // 1/10 of those times create a duplicate coinbase if (insecure_rand() % 10 == 0 && coinbaseids.size()) { - TxData &txd = FindRandomFrom(coinbaseids); + auto utxod = FindRandomFrom(coinbaseids); // Reuse the exact same coinbase - tx = std::get<0>(txd); + tx = std::get<0>(utxod->second); // shouldn't be available for reconnection if its been duplicated - disconnectedids.erase(tx.GetHash()); + disconnectedids.erase(utxod->first); - duplicateids.insert(tx.GetHash()); + duplicateids.insert(utxod->first); } else { - coinbaseids.insert(tx.GetHash()); + coinbaseids.insert(COutPoint(tx.GetHash(), 0)); } assert(CTransaction(tx).IsCoinBase()); } @@ -300,85 +299,82 @@ BOOST_AUTO_TEST_CASE(updatecoins_simulation_test) // 17/20 times reconnect previous or add a regular tx else { - uint256 prevouthash; + COutPoint prevout; // 1/20 times reconnect a previously disconnected tx if (randiter % 20 == 2 && disconnectedids.size()) { - TxData &txd = FindRandomFrom(disconnectedids); - tx = std::get<0>(txd); - prevouthash = tx.vin[0].prevout.hash; - if (!CTransaction(tx).IsCoinBase() && !utxoset.count(prevouthash)) { - disconnectedids.erase(tx.GetHash()); + auto utxod = FindRandomFrom(disconnectedids); + tx = std::get<0>(utxod->second); + prevout = tx.vin[0].prevout; + if (!CTransaction(tx).IsCoinBase() && !utxoset.count(prevout)) { + disconnectedids.erase(utxod->first); continue; } // If this tx is already IN the UTXO, then it must be a coinbase, and it must be a duplicate - if (utxoset.count(tx.GetHash())) { + if (utxoset.count(utxod->first)) { assert(CTransaction(tx).IsCoinBase()); - assert(duplicateids.count(tx.GetHash())); + assert(duplicateids.count(utxod->first)); } - disconnectedids.erase(tx.GetHash()); + disconnectedids.erase(utxod->first); } // 16/20 times create a regular tx else { - TxData &txd = FindRandomFrom(utxoset); - prevouthash = std::get<0>(txd).GetHash(); + auto utxod = FindRandomFrom(utxoset); + prevout = utxod->first; // Construct the tx to spend the coins of prevouthash - tx.vin[0].prevout.hash = prevouthash; - tx.vin[0].prevout.n = 0; + tx.vin[0].prevout = prevout; assert(!CTransaction(tx).IsCoinBase()); } // In this simple test coins only have two states, spent or unspent, save the unspent state to restore - oldcoins = result[prevouthash]; + oldcoins = result[prevout]; // Update the expected result of prevouthash to know these coins are spent - result[prevouthash].Clear(); + result[prevout].Clear(); - utxoset.erase(prevouthash); + utxoset.erase(prevout); // The test is designed to ensure spending a duplicate coinbase will work properly // if that ever happens and not resurrect the previously overwritten coinbase - if (duplicateids.count(prevouthash)) { + if (duplicateids.count(prevout)) { spent_a_duplicate_coinbase = true; } } // Update the expected result to know about the new output coins - result[tx.GetHash()].FromTx(tx, height); + assert(tx.vout.size() == 1); + const COutPoint outpoint(tx.GetHash(), 0); + result[outpoint] = Coin(tx.vout[0], height, CTransaction(tx).IsCoinBase()); // Call UpdateCoins on the top cache CTxUndo undo; UpdateCoins(tx, *(stack.back()), undo, height); // Update the utxo set for future spends - utxoset.insert(tx.GetHash()); + utxoset.insert(outpoint); // Track this tx and undo info to use later - alltxs.insert(std::make_pair(tx.GetHash(),std::make_tuple(tx,undo,oldcoins))); + utxoData.emplace(outpoint, std::make_tuple(tx,undo,oldcoins)); } else if (utxoset.size()) { //1/20 times undo a previous transaction - TxData &txd = FindRandomFrom(utxoset); - - CTransaction &tx = std::get<0>(txd); - CTxUndo &undo = std::get<1>(txd); - CCoins &origcoins = std::get<2>(txd); + auto utxod = FindRandomFrom(utxoset); - uint256 undohash = tx.GetHash(); + CTransaction &tx = std::get<0>(utxod->second); + CTxUndo &undo = std::get<1>(utxod->second); + Coin &origcoins = std::get<2>(utxod->second); // Update the expected result // Remove new outputs - result[undohash].Clear(); + result[utxod->first].Clear(); // If not coinbase restore prevout if (!tx.IsCoinBase()) { - result[tx.vin[0].prevout.hash] = origcoins; + result[tx.vin[0].prevout] = origcoins; } // Disconnect the tx from the current UTXO // See code in DisconnectBlock // remove outputs - { - stack.back()->SpendCoin(COutPoint(undohash, 0)); - } + stack.back()->SpendCoin(utxod->first); // restore inputs if (!tx.IsCoinBase()) { const COutPoint &out = tx.vin[0].prevout; @@ -386,23 +382,19 @@ BOOST_AUTO_TEST_CASE(updatecoins_simulation_test) ApplyTxInUndo(std::move(coin), *(stack.back()), out); } // Store as a candidate for reconnection - disconnectedids.insert(undohash); + disconnectedids.insert(utxod->first); // Update the utxoset - utxoset.erase(undohash); + utxoset.erase(utxod->first); if (!tx.IsCoinBase()) - utxoset.insert(tx.vin[0].prevout.hash); + utxoset.insert(tx.vin[0].prevout); } // Once every 1000 iterations and at the end, verify the full cache. if (insecure_rand() % 1000 == 1 || i == NUM_SIMULATION_ITERATIONS - 1) { - for (std::map<uint256, CCoins>::iterator it = result.begin(); it != result.end(); it++) { - const CCoins* coins = stack.back()->AccessCoins(it->first); - if (coins) { - BOOST_CHECK(*coins == it->second); - } else { - BOOST_CHECK(it->second.IsPruned()); - } + for (auto it = result.begin(); it != result.end(); it++) { + const Coin& coin = stack.back()->AccessCoin(it->first); + BOOST_CHECK(coin == it->second); } } @@ -443,50 +435,36 @@ BOOST_AUTO_TEST_CASE(updatecoins_simulation_test) BOOST_AUTO_TEST_CASE(ccoins_serialization) { // Good example - CDataStream ss1(ParseHex("0104835800816115944e077fe7c803cfa57f29b36bf87c1d358bb85e"), SER_DISK, CLIENT_VERSION); - CCoins cc1; + CDataStream ss1(ParseHex("97f23c835800816115944e077fe7c803cfa57f29b36bf87c1d35"), SER_DISK, CLIENT_VERSION); + Coin cc1; ss1 >> cc1; BOOST_CHECK_EQUAL(cc1.fCoinBase, false); BOOST_CHECK_EQUAL(cc1.nHeight, 203998); - BOOST_CHECK_EQUAL(cc1.vout.size(), 2); - BOOST_CHECK_EQUAL(cc1.IsAvailable(0), false); - BOOST_CHECK_EQUAL(cc1.IsAvailable(1), true); - BOOST_CHECK_EQUAL(cc1.vout[1].nValue, 60000000000ULL); - BOOST_CHECK_EQUAL(HexStr(cc1.vout[1].scriptPubKey), HexStr(GetScriptForDestination(CKeyID(uint160(ParseHex("816115944e077fe7c803cfa57f29b36bf87c1d35")))))); + BOOST_CHECK_EQUAL(cc1.out.nValue, 60000000000ULL); + BOOST_CHECK_EQUAL(HexStr(cc1.out.scriptPubKey), HexStr(GetScriptForDestination(CKeyID(uint160(ParseHex("816115944e077fe7c803cfa57f29b36bf87c1d35")))))); // Good example - CDataStream ss2(ParseHex("0109044086ef97d5790061b01caab50f1b8e9c50a5057eb43c2d9563a4eebbd123008c988f1a4a4de2161e0f50aac7f17e7f9555caa486af3b"), SER_DISK, CLIENT_VERSION); - CCoins cc2; + CDataStream ss2(ParseHex("8ddf77bbd123008c988f1a4a4de2161e0f50aac7f17e7f9555caa4"), SER_DISK, CLIENT_VERSION); + Coin cc2; ss2 >> cc2; BOOST_CHECK_EQUAL(cc2.fCoinBase, true); BOOST_CHECK_EQUAL(cc2.nHeight, 120891); - BOOST_CHECK_EQUAL(cc2.vout.size(), 17); - for (int i = 0; i < 17; i++) { - BOOST_CHECK_EQUAL(cc2.IsAvailable(i), i == 4 || i == 16); - } - BOOST_CHECK_EQUAL(cc2.vout[4].nValue, 234925952); - BOOST_CHECK_EQUAL(HexStr(cc2.vout[4].scriptPubKey), HexStr(GetScriptForDestination(CKeyID(uint160(ParseHex("61b01caab50f1b8e9c50a5057eb43c2d9563a4ee")))))); - BOOST_CHECK_EQUAL(cc2.vout[16].nValue, 110397); - BOOST_CHECK_EQUAL(HexStr(cc2.vout[16].scriptPubKey), HexStr(GetScriptForDestination(CKeyID(uint160(ParseHex("8c988f1a4a4de2161e0f50aac7f17e7f9555caa4")))))); + BOOST_CHECK_EQUAL(cc2.out.nValue, 110397); + BOOST_CHECK_EQUAL(HexStr(cc2.out.scriptPubKey), HexStr(GetScriptForDestination(CKeyID(uint160(ParseHex("8c988f1a4a4de2161e0f50aac7f17e7f9555caa4")))))); // Smallest possible example - CDataStream ssx(SER_DISK, CLIENT_VERSION); - BOOST_CHECK_EQUAL(HexStr(ssx.begin(), ssx.end()), ""); - - CDataStream ss3(ParseHex("0002000600"), SER_DISK, CLIENT_VERSION); - CCoins cc3; + CDataStream ss3(ParseHex("000006"), SER_DISK, CLIENT_VERSION); + Coin cc3; ss3 >> cc3; BOOST_CHECK_EQUAL(cc3.fCoinBase, false); BOOST_CHECK_EQUAL(cc3.nHeight, 0); - BOOST_CHECK_EQUAL(cc3.vout.size(), 1); - BOOST_CHECK_EQUAL(cc3.IsAvailable(0), true); - BOOST_CHECK_EQUAL(cc3.vout[0].nValue, 0); - BOOST_CHECK_EQUAL(cc3.vout[0].scriptPubKey.size(), 0); + BOOST_CHECK_EQUAL(cc3.out.nValue, 0); + BOOST_CHECK_EQUAL(cc3.out.scriptPubKey.size(), 0); // scriptPubKey that ends beyond the end of the stream - CDataStream ss4(ParseHex("0002000800"), SER_DISK, CLIENT_VERSION); + CDataStream ss4(ParseHex("000007"), SER_DISK, CLIENT_VERSION); try { - CCoins cc4; + Coin cc4; ss4 >> cc4; BOOST_CHECK_MESSAGE(false, "We should have thrown"); } catch (const std::ios_base::failure& e) { @@ -497,17 +475,16 @@ BOOST_AUTO_TEST_CASE(ccoins_serialization) uint64_t x = 3000000000ULL; tmp << VARINT(x); BOOST_CHECK_EQUAL(HexStr(tmp.begin(), tmp.end()), "8a95c0bb00"); - CDataStream ss5(ParseHex("0002008a95c0bb0000"), SER_DISK, CLIENT_VERSION); + CDataStream ss5(ParseHex("00008a95c0bb00"), SER_DISK, CLIENT_VERSION); try { - CCoins cc5; + Coin cc5; ss5 >> cc5; BOOST_CHECK_MESSAGE(false, "We should have thrown"); } catch (const std::ios_base::failure& e) { } } -const static uint256 TXID; -const static COutPoint OUTPOINT = {uint256(), 0}; +const static COutPoint OUTPOINT; const static CAmount PRUNED = -1; const static CAmount ABSENT = -2; const static CAmount FAIL = -3; @@ -522,15 +499,15 @@ const static auto FLAGS = {char(0), FRESH, DIRTY, char(DIRTY | FRESH)}; const static auto CLEAN_FLAGS = {char(0), FRESH}; const static auto ABSENT_FLAGS = {NO_ENTRY}; -void SetCoinsValue(CAmount value, CCoins& coins) +void SetCoinsValue(CAmount value, Coin& coin) { assert(value != ABSENT); - coins.Clear(); - assert(coins.IsPruned()); + coin.Clear(); + assert(coin.IsPruned()); if (value != PRUNED) { - coins.vout.emplace_back(); - coins.vout.back().nValue = value; - assert(!coins.IsPruned()); + coin.out.nValue = value; + coin.nHeight = 1; + assert(!coin.IsPruned()); } } @@ -544,24 +521,22 @@ size_t InsertCoinsMapEntry(CCoinsMap& map, CAmount value, char flags) CCoinsCacheEntry entry; entry.flags = flags; SetCoinsValue(value, entry.coins); - auto inserted = map.emplace(TXID, std::move(entry)); + auto inserted = map.emplace(OUTPOINT, std::move(entry)); assert(inserted.second); return inserted.first->second.coins.DynamicMemoryUsage(); } void GetCoinsMapEntry(const CCoinsMap& map, CAmount& value, char& flags) { - auto it = map.find(TXID); + auto it = map.find(OUTPOINT); if (it == map.end()) { value = ABSENT; flags = NO_ENTRY; } else { if (it->second.coins.IsPruned()) { - assert(it->second.coins.vout.size() == 0); value = PRUNED; } else { - assert(it->second.coins.vout.size() == 1); - value = it->second.coins.vout[0].nValue; + value = it->second.coins.out.nValue; } flags = it->second.flags; assert(flags != NO_ENTRY); |