diff options
85 files changed, 2666 insertions, 1538 deletions
diff --git a/.travis.yml b/.travis.yml index 97bb475e4b..a9b246536e 100644 --- a/.travis.yml +++ b/.travis.yml @@ -69,7 +69,7 @@ script: - ./configure --cache-file=../config.cache $BITCOIN_CONFIG_ALL $BITCOIN_CONFIG || ( cat config.log && false) - make $MAKEJOBS $GOAL || ( echo "Build failure. Verbose build follows." && make $GOAL V=1 ; false ) - export LD_LIBRARY_PATH=$TRAVIS_BUILD_DIR/depends/$HOST/lib - - if [ "$RUN_TESTS" = "true" ]; then make $MAKEJOBS check VERBOSE=1; fi + - if [ "$RUN_TESTS" = "true" ]; then travis_wait 30 make $MAKEJOBS check VERBOSE=1; fi - if [ "$TRAVIS_EVENT_TYPE" = "cron" ]; then extended="--extended --exclude pruning"; fi - if [ "$RUN_TESTS" = "true" ]; then test/functional/test_runner.py --coverage --quiet ${extended}; fi after_script: diff --git a/contrib/devtools/github-merge.py b/contrib/devtools/github-merge.py index 8fce648fc2..e9816f7d19 100755 --- a/contrib/devtools/github-merge.py +++ b/contrib/devtools/github-merge.py @@ -301,8 +301,7 @@ def main(): subprocess.check_call([GIT,'commit','-q','--gpg-sign','--amend','--no-edit']) break except subprocess.CalledProcessError as e: - print("Error signing, exiting.",file=stderr) - exit(1) + print("Error while signing, asking again.",file=stderr) elif reply == 'x': print("Not signing off on merge, exiting.",file=stderr) exit(1) diff --git a/contrib/init/bitcoind.openrcconf b/contrib/init/bitcoind.openrcconf index 0cbff6d30d..f70e25cb5f 100644 --- a/contrib/init/bitcoind.openrcconf +++ b/contrib/init/bitcoind.openrcconf @@ -23,7 +23,7 @@ #BITCOIND_NICE=0 # Additional options (avoid -conf and -datadir, use flags above) -BITCOIND_OPTS="-disablewallet" +#BITCOIND_OPTS="" # The timeout in seconds OpenRC will wait for bitcoind to terminate # after a SIGTERM has been raised. diff --git a/contrib/seeds/README.md b/contrib/seeds/README.md index afe902fd7f..139c03181f 100644 --- a/contrib/seeds/README.md +++ b/contrib/seeds/README.md @@ -8,7 +8,7 @@ and remove old versions as necessary. The seeds compiled into the release are created from sipa's DNS seed data, like this: - curl -s http://bitcoin.sipa.be/seeds.txt > seeds_main.txt + curl -s http://bitcoin.sipa.be/seeds.txt.gz | gzip -dc > seeds_main.txt python3 makeseeds.py < seeds_main.txt > nodes_main.txt python3 generate-seeds.py . > ../../src/chainparamsseeds.h diff --git a/doc/developer-notes.md b/doc/developer-notes.md index cf860a1bf2..ec6abda91e 100644 --- a/doc/developer-notes.md +++ b/doc/developer-notes.md @@ -3,41 +3,64 @@ Developer Notes Various coding styles have been used during the history of the codebase, and the result is not very consistent. However, we're now trying to converge to -a single style, so please use it in new code. Old code will be converted -gradually and you are encouraged to use the provided -[clang-format-diff script](/contrib/devtools/README.md#clang-format-diffpy) -to clean up the patch automatically before submitting a pull request. +a single style, which is specified below. When writing patches, favor the new +style over attempting to mimick the surrounding style, except for move-only +commits. + +Do not submit patches solely to modify the style of existing code. -- Basic rules specified in [src/.clang-format](/src/.clang-format). +- **Indentation and whitespace rules** as specified in +[src/.clang-format](/src/.clang-format). You can use the provided +[clang-format-diff script](/contrib/devtools/README.md#clang-format-diffpy) +tool to clean up patches automatically before submission. - Braces on new lines for namespaces, classes, functions, methods. - Braces on the same line for everything else. - 4 space indentation (no tabs) for every block except namespaces. - No indentation for `public`/`protected`/`private` or for `namespace`. - No extra spaces inside parenthesis; don't do ( this ) - No space after function names; one space after `if`, `for` and `while`. - - If an `if` only has a single-statement then-clause, it can appear - on the same line as the if, without braces. In every other case, - braces are required, and the then and else clauses must appear + - If an `if` only has a single-statement `then`-clause, it can appear + on the same line as the `if`, without braces. In every other case, + braces are required, and the `then` and `else` clauses must appear correctly indented on a new line. + +- **Symbol naming conventions**. These are preferred in new code, but are not +required when doing so would need changes to significant pieces of existing +code. + - Variable and namespace names are all lowercase, and may use `_` to + separate words. + - Class member variables have a `m_` prefix. + - Global variables have a `g_` prefix. + - Constant names are all uppercase, and use `_` to separate words. + - Class names, function names and method names are CamelCase. Do not prefix + class names with `C`. + +- **Miscellaneous** - `++i` is preferred over `i++`. Block style example: ```c++ +int g_count = 0; + namespace foo { class Class { + std::string m_name; + +public: bool Function(const std::string& s, int n) { // Comment summarising what this section of code does for (int i = 0; i < n; ++i) { + int total_sum = 0; // When something fails, return early if (!Something()) return false; ... - if (SomethingElse()) { - DoMore(); + if (SomethingElse(i)) { + total_sum += ComputeSomething(g_count); } else { - DoLess(); + DoSomething(m_name, total_sum); } } diff --git a/doc/release-notes.md b/doc/release-notes.md index af792118d6..075c7c3911 100644 --- a/doc/release-notes.md +++ b/doc/release-notes.md @@ -36,6 +36,15 @@ Notable changes Low-level RPC changes --------------------- +- The new database model no longer stores information about transaction + versions of unspent outputs. This means that: + - The `gettxout` RPC no longer has a `version` field in the response. + - The `gettxoutsetinfo` RPC reports `hash_serialized_2` instead of `hash_serialized`, + which does not commit to the transaction versions of unspent outputs, but does + commit to the height and coinbase information. + - The `getutxos` REST path no longer reports the `txvers` field in JSON format, + and always reports 0 for transaction versions in the binary format + - Error codes have been updated to be more accurate for the following error cases: - `getblock` now returns RPC_MISC_ERROR if the block can't be found on disk (for example if the block has been pruned). Previously returned RPC_INTERNAL_ERROR. diff --git a/src/Makefile.qttest.include b/src/Makefile.qttest.include index 948e13a9e1..391b9ebdf6 100644 --- a/src/Makefile.qttest.include +++ b/src/Makefile.qttest.include @@ -46,7 +46,8 @@ qt_test_test_bitcoin_qt_SOURCES = \ if ENABLE_WALLET qt_test_test_bitcoin_qt_SOURCES += \ qt/test/paymentservertests.cpp \ - qt/test/wallettests.cpp + qt/test/wallettests.cpp \ + wallet/test/wallet_test_fixture.cpp endif nodist_qt_test_test_bitcoin_qt_SOURCES = $(TEST_QT_MOC_CPP) diff --git a/src/bench/ccoins_caching.cpp b/src/bench/ccoins_caching.cpp index 1e8e3d462f..5aab3381fd 100644 --- a/src/bench/ccoins_caching.cpp +++ b/src/bench/ccoins_caching.cpp @@ -35,14 +35,14 @@ SetupDummyInputs(CBasicKeyStore& keystoreRet, CCoinsViewCache& coinsRet) dummyTransactions[0].vout[0].scriptPubKey << ToByteVector(key[0].GetPubKey()) << OP_CHECKSIG; dummyTransactions[0].vout[1].nValue = 50 * CENT; dummyTransactions[0].vout[1].scriptPubKey << ToByteVector(key[1].GetPubKey()) << OP_CHECKSIG; - coinsRet.ModifyCoins(dummyTransactions[0].GetHash())->FromTx(dummyTransactions[0], 0); + AddCoins(coinsRet, dummyTransactions[0], 0); dummyTransactions[1].vout.resize(2); dummyTransactions[1].vout[0].nValue = 21 * CENT; dummyTransactions[1].vout[0].scriptPubKey = GetScriptForDestination(key[2].GetPubKey().GetID()); dummyTransactions[1].vout[1].nValue = 22 * CENT; dummyTransactions[1].vout[1].scriptPubKey = GetScriptForDestination(key[3].GetPubKey().GetID()); - coinsRet.ModifyCoins(dummyTransactions[1].GetHash())->FromTx(dummyTransactions[1], 0); + AddCoins(coinsRet, dummyTransactions[1], 0); return dummyTransactions; } diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp index 45738b5df8..cf280f485c 100644 --- a/src/bitcoin-tx.cpp +++ b/src/bitcoin-tx.cpp @@ -556,24 +556,26 @@ static void MutateTxSign(CMutableTransaction& tx, const std::string& flagStr) if (nOut < 0) throw std::runtime_error("vout must be positive"); + COutPoint out(txid, nOut); std::vector<unsigned char> pkData(ParseHexUV(prevOut["scriptPubKey"], "scriptPubKey")); CScript scriptPubKey(pkData.begin(), pkData.end()); { - CCoinsModifier coins = view.ModifyCoins(txid); - if (coins->IsAvailable(nOut) && coins->vout[nOut].scriptPubKey != scriptPubKey) { + const Coin& coin = view.AccessCoin(out); + if (!coin.IsSpent() && coin.out.scriptPubKey != scriptPubKey) { std::string err("Previous output scriptPubKey mismatch:\n"); - err = err + ScriptToAsmStr(coins->vout[nOut].scriptPubKey) + "\nvs:\n"+ + err = err + ScriptToAsmStr(coin.out.scriptPubKey) + "\nvs:\n"+ ScriptToAsmStr(scriptPubKey); throw std::runtime_error(err); } - if ((unsigned int)nOut >= coins->vout.size()) - coins->vout.resize(nOut+1); - coins->vout[nOut].scriptPubKey = scriptPubKey; - coins->vout[nOut].nValue = 0; + Coin newcoin; + newcoin.out.scriptPubKey = scriptPubKey; + newcoin.out.nValue = 0; if (prevOut.exists("amount")) { - coins->vout[nOut].nValue = AmountFromValue(prevOut["amount"]); + newcoin.out.nValue = AmountFromValue(prevOut["amount"]); } + newcoin.nHeight = 1; + view.AddCoin(out, std::move(newcoin), true); } // if redeemScript given and private keys given, @@ -595,13 +597,13 @@ static void MutateTxSign(CMutableTransaction& tx, const std::string& flagStr) // Sign what we can: for (unsigned int i = 0; i < mergedTx.vin.size(); i++) { CTxIn& txin = mergedTx.vin[i]; - const CCoins* coins = view.AccessCoins(txin.prevout.hash); - if (!coins || !coins->IsAvailable(txin.prevout.n)) { + const Coin& coin = view.AccessCoin(txin.prevout); + if (coin.IsSpent()) { fComplete = false; continue; } - const CScript& prevPubKey = coins->vout[txin.prevout.n].scriptPubKey; - const CAmount& amount = coins->vout[txin.prevout.n].nValue; + const CScript& prevPubKey = coin.out.scriptPubKey; + const CAmount& amount = coin.out.nValue; SignatureData sigdata; // Only sign SIGHASH_SINGLE if there's a corresponding output: diff --git a/src/bitcoind.cpp b/src/bitcoind.cpp index 31680a8ec7..5922e45801 100644 --- a/src/bitcoind.cpp +++ b/src/bitcoind.cpp @@ -117,17 +117,14 @@ bool AppInit(int argc, char* argv[]) return false; } - // Command-line RPC - bool fCommandLine = false; - for (int i = 1; i < argc; i++) - if (!IsSwitchChar(argv[i][0]) && !boost::algorithm::istarts_with(argv[i], "bitcoin:")) - fCommandLine = true; - - if (fCommandLine) - { - fprintf(stderr, "Error: There is no RPC client functionality in bitcoind anymore. Use the bitcoin-cli utility instead.\n"); - exit(EXIT_FAILURE); + // Error out when loose non-argument tokens are encountered on command line + for (int i = 1; i < argc; i++) { + if (!IsSwitchChar(argv[i][0])) { + fprintf(stderr, "Error: Command line contains unexpected token '%s', see bitcoind -h for a list of options.\n", argv[i]); + exit(EXIT_FAILURE); + } } + // -server defaults to true for bitcoind but not for the GUI so do this here SoftSetBoolArg("-server", true); // Set this early so that parameter interactions go to console diff --git a/src/coins.cpp b/src/coins.cpp index b2e33abf33..5b7c562678 100644 --- a/src/coins.cpp +++ b/src/coins.cpp @@ -4,174 +4,126 @@ #include "coins.h" +#include "consensus/consensus.h" #include "memusage.h" #include "random.h" #include <assert.h> -/** - * calculate number of bytes for the bitmask, and its number of non-zero bytes - * each bit in the bitmask represents the availability of one output, but the - * availabilities of the first two outputs are encoded separately - */ -void CCoins::CalcMaskSize(unsigned int &nBytes, unsigned int &nNonzeroBytes) const { - unsigned int nLastUsedByte = 0; - for (unsigned int b = 0; 2+b*8 < vout.size(); b++) { - bool fZero = true; - for (unsigned int i = 0; i < 8 && 2+b*8+i < vout.size(); i++) { - if (!vout[2+b*8+i].IsNull()) { - fZero = false; - continue; - } - } - if (!fZero) { - nLastUsedByte = b + 1; - nNonzeroBytes++; - } - } - nBytes += nLastUsedByte; -} - -bool CCoins::Spend(uint32_t nPos) -{ - if (nPos >= vout.size() || vout[nPos].IsNull()) - return false; - vout[nPos].SetNull(); - Cleanup(); - return true; -} - -bool CCoinsView::GetCoins(const uint256 &txid, CCoins &coins) const { return false; } -bool CCoinsView::HaveCoins(const uint256 &txid) const { return false; } +bool CCoinsView::GetCoin(const COutPoint &outpoint, Coin &coin) const { return false; } +bool CCoinsView::HaveCoin(const COutPoint &outpoint) const { return false; } uint256 CCoinsView::GetBestBlock() const { return uint256(); } bool CCoinsView::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) { return false; } CCoinsViewCursor *CCoinsView::Cursor() const { return 0; } CCoinsViewBacked::CCoinsViewBacked(CCoinsView *viewIn) : base(viewIn) { } -bool CCoinsViewBacked::GetCoins(const uint256 &txid, CCoins &coins) const { return base->GetCoins(txid, coins); } -bool CCoinsViewBacked::HaveCoins(const uint256 &txid) const { return base->HaveCoins(txid); } +bool CCoinsViewBacked::GetCoin(const COutPoint &outpoint, Coin &coin) const { return base->GetCoin(outpoint, coin); } +bool CCoinsViewBacked::HaveCoin(const COutPoint &outpoint) const { return base->HaveCoin(outpoint); } uint256 CCoinsViewBacked::GetBestBlock() const { return base->GetBestBlock(); } void CCoinsViewBacked::SetBackend(CCoinsView &viewIn) { base = &viewIn; } bool CCoinsViewBacked::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) { return base->BatchWrite(mapCoins, hashBlock); } CCoinsViewCursor *CCoinsViewBacked::Cursor() const { return base->Cursor(); } +size_t CCoinsViewBacked::EstimateSize() const { return base->EstimateSize(); } -SaltedTxidHasher::SaltedTxidHasher() : k0(GetRand(std::numeric_limits<uint64_t>::max())), k1(GetRand(std::numeric_limits<uint64_t>::max())) {} +SaltedOutpointHasher::SaltedOutpointHasher() : k0(GetRand(std::numeric_limits<uint64_t>::max())), k1(GetRand(std::numeric_limits<uint64_t>::max())) {} -CCoinsViewCache::CCoinsViewCache(CCoinsView *baseIn) : CCoinsViewBacked(baseIn), hasModifier(false), cachedCoinsUsage(0) { } - -CCoinsViewCache::~CCoinsViewCache() -{ - assert(!hasModifier); -} +CCoinsViewCache::CCoinsViewCache(CCoinsView *baseIn) : CCoinsViewBacked(baseIn), cachedCoinsUsage(0) {} size_t CCoinsViewCache::DynamicMemoryUsage() const { return memusage::DynamicUsage(cacheCoins) + cachedCoinsUsage; } -CCoinsMap::const_iterator CCoinsViewCache::FetchCoins(const uint256 &txid) const { - CCoinsMap::iterator it = cacheCoins.find(txid); +CCoinsMap::iterator CCoinsViewCache::FetchCoin(const COutPoint &outpoint) const { + CCoinsMap::iterator it = cacheCoins.find(outpoint); if (it != cacheCoins.end()) return it; - CCoins tmp; - if (!base->GetCoins(txid, tmp)) + Coin tmp; + if (!base->GetCoin(outpoint, tmp)) return cacheCoins.end(); - CCoinsMap::iterator ret = cacheCoins.insert(std::make_pair(txid, CCoinsCacheEntry())).first; - tmp.swap(ret->second.coins); - if (ret->second.coins.IsPruned()) { - // The parent only has an empty entry for this txid; we can consider our + CCoinsMap::iterator ret = cacheCoins.emplace(std::piecewise_construct, std::forward_as_tuple(outpoint), std::forward_as_tuple(std::move(tmp))).first; + if (ret->second.coin.IsSpent()) { + // The parent only has an empty entry for this outpoint; we can consider our // version as fresh. ret->second.flags = CCoinsCacheEntry::FRESH; } - cachedCoinsUsage += ret->second.coins.DynamicMemoryUsage(); + cachedCoinsUsage += ret->second.coin.DynamicMemoryUsage(); return ret; } -bool CCoinsViewCache::GetCoins(const uint256 &txid, CCoins &coins) const { - CCoinsMap::const_iterator it = FetchCoins(txid); +bool CCoinsViewCache::GetCoin(const COutPoint &outpoint, Coin &coin) const { + CCoinsMap::const_iterator it = FetchCoin(outpoint); if (it != cacheCoins.end()) { - coins = it->second.coins; + coin = it->second.coin; return true; } return false; } -CCoinsModifier CCoinsViewCache::ModifyCoins(const uint256 &txid) { - assert(!hasModifier); - std::pair<CCoinsMap::iterator, bool> ret = cacheCoins.insert(std::make_pair(txid, CCoinsCacheEntry())); - size_t cachedCoinUsage = 0; - if (ret.second) { - if (!base->GetCoins(txid, ret.first->second.coins)) { - // The parent view does not have this entry; mark it as fresh. - ret.first->second.coins.Clear(); - ret.first->second.flags = CCoinsCacheEntry::FRESH; - } else if (ret.first->second.coins.IsPruned()) { - // The parent view only has a pruned entry for this; mark it as fresh. - ret.first->second.flags = CCoinsCacheEntry::FRESH; +void CCoinsViewCache::AddCoin(const COutPoint &outpoint, Coin&& coin, bool possible_overwrite) { + assert(!coin.IsSpent()); + if (coin.out.scriptPubKey.IsUnspendable()) return; + CCoinsMap::iterator it; + bool inserted; + std::tie(it, inserted) = cacheCoins.emplace(std::piecewise_construct, std::forward_as_tuple(outpoint), std::tuple<>()); + bool fresh = false; + if (!inserted) { + cachedCoinsUsage -= it->second.coin.DynamicMemoryUsage(); + } + if (!possible_overwrite) { + if (!it->second.coin.IsSpent()) { + throw std::logic_error("Adding new coin that replaces non-pruned entry"); } - } else { - cachedCoinUsage = ret.first->second.coins.DynamicMemoryUsage(); + fresh = !(it->second.flags & CCoinsCacheEntry::DIRTY); + } + it->second.coin = std::move(coin); + it->second.flags |= CCoinsCacheEntry::DIRTY | (fresh ? CCoinsCacheEntry::FRESH : 0); + cachedCoinsUsage += it->second.coin.DynamicMemoryUsage(); +} + +void AddCoins(CCoinsViewCache& cache, const CTransaction &tx, int nHeight) { + bool fCoinbase = tx.IsCoinBase(); + const uint256& txid = tx.GetHash(); + for (size_t i = 0; i < tx.vout.size(); ++i) { + // Pass fCoinbase as the possible_overwrite flag to AddCoin, in order to correctly + // deal with the pre-BIP30 occurrances of duplicate coinbase transactions. + cache.AddCoin(COutPoint(txid, i), Coin(tx.vout[i], nHeight, fCoinbase), fCoinbase); } - // Assume that whenever ModifyCoins is called, the entry will be modified. - ret.first->second.flags |= CCoinsCacheEntry::DIRTY; - return CCoinsModifier(*this, ret.first, cachedCoinUsage); } -/* ModifyNewCoins allows for faster coin modification when creating the new - * outputs from a transaction. It assumes that BIP 30 (no duplicate txids) - * applies and has already been tested for (or the test is not required due to - * BIP 34, height in coinbase). If we can assume BIP 30 then we know that any - * non-coinbase transaction we are adding to the UTXO must not already exist in - * the utxo unless it is fully spent. Thus we can check only if it exists DIRTY - * at the current level of the cache, in which case it is not safe to mark it - * FRESH (b/c then its spentness still needs to flushed). If it's not dirty and - * doesn't exist or is pruned in the current cache, we know it either doesn't - * exist or is pruned in parent caches, which is the definition of FRESH. The - * exception to this is the two historical violations of BIP 30 in the chain, - * both of which were coinbases. We do not mark these fresh so we we can ensure - * that they will still be properly overwritten when spent. - */ -CCoinsModifier CCoinsViewCache::ModifyNewCoins(const uint256 &txid, bool coinbase) { - assert(!hasModifier); - std::pair<CCoinsMap::iterator, bool> ret = cacheCoins.insert(std::make_pair(txid, CCoinsCacheEntry())); - if (!coinbase) { - // New coins must not already exist. - if (!ret.first->second.coins.IsPruned()) - throw std::logic_error("ModifyNewCoins should not find pre-existing coins on a non-coinbase unless they are pruned!"); - - if (!(ret.first->second.flags & CCoinsCacheEntry::DIRTY)) { - // If the coin is known to be pruned (have no unspent outputs) in - // the current view and the cache entry is not dirty, we know the - // coin also must be pruned in the parent view as well, so it is safe - // to mark this fresh. - ret.first->second.flags |= CCoinsCacheEntry::FRESH; - } +void CCoinsViewCache::SpendCoin(const COutPoint &outpoint, Coin* moveout) { + CCoinsMap::iterator it = FetchCoin(outpoint); + if (it == cacheCoins.end()) return; + cachedCoinsUsage -= it->second.coin.DynamicMemoryUsage(); + if (moveout) { + *moveout = std::move(it->second.coin); + } + if (it->second.flags & CCoinsCacheEntry::FRESH) { + cacheCoins.erase(it); + } else { + it->second.flags |= CCoinsCacheEntry::DIRTY; + it->second.coin.Clear(); } - ret.first->second.coins.Clear(); - ret.first->second.flags |= CCoinsCacheEntry::DIRTY; - return CCoinsModifier(*this, ret.first, 0); } -const CCoins* CCoinsViewCache::AccessCoins(const uint256 &txid) const { - CCoinsMap::const_iterator it = FetchCoins(txid); +static const Coin coinEmpty; + +const Coin& CCoinsViewCache::AccessCoin(const COutPoint &outpoint) const { + CCoinsMap::const_iterator it = FetchCoin(outpoint); if (it == cacheCoins.end()) { - return NULL; + return coinEmpty; } else { - return &it->second.coins; + return it->second.coin; } } -bool CCoinsViewCache::HaveCoins(const uint256 &txid) const { - CCoinsMap::const_iterator it = FetchCoins(txid); - // We're using vtx.empty() instead of IsPruned here for performance reasons, - // as we only care about the case where a transaction was replaced entirely - // in a reorganization (which wipes vout entirely, as opposed to spending - // which just cleans individual outputs). - return (it != cacheCoins.end() && !it->second.coins.vout.empty()); +bool CCoinsViewCache::HaveCoin(const COutPoint &outpoint) const { + CCoinsMap::const_iterator it = FetchCoin(outpoint); + return (it != cacheCoins.end() && !it->second.coin.IsSpent()); } -bool CCoinsViewCache::HaveCoinsInCache(const uint256 &txid) const { - CCoinsMap::const_iterator it = cacheCoins.find(txid); +bool CCoinsViewCache::HaveCoinInCache(const COutPoint &outpoint) const { + CCoinsMap::const_iterator it = cacheCoins.find(outpoint); return it != cacheCoins.end(); } @@ -186,19 +138,18 @@ void CCoinsViewCache::SetBestBlock(const uint256 &hashBlockIn) { } bool CCoinsViewCache::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlockIn) { - assert(!hasModifier); for (CCoinsMap::iterator it = mapCoins.begin(); it != mapCoins.end();) { if (it->second.flags & CCoinsCacheEntry::DIRTY) { // Ignore non-dirty entries (optimization). CCoinsMap::iterator itUs = cacheCoins.find(it->first); if (itUs == cacheCoins.end()) { // The parent cache does not have an entry, while the child does // We can ignore it if it's both FRESH and pruned in the child - if (!(it->second.flags & CCoinsCacheEntry::FRESH && it->second.coins.IsPruned())) { + if (!(it->second.flags & CCoinsCacheEntry::FRESH && it->second.coin.IsSpent())) { // Otherwise we will need to create it in the parent // and move the data up and mark it as dirty CCoinsCacheEntry& entry = cacheCoins[it->first]; - entry.coins.swap(it->second.coins); - cachedCoinsUsage += entry.coins.DynamicMemoryUsage(); + entry.coin = std::move(it->second.coin); + cachedCoinsUsage += entry.coin.DynamicMemoryUsage(); entry.flags = CCoinsCacheEntry::DIRTY; // We can mark it FRESH in the parent if it was FRESH in the child // Otherwise it might have just been flushed from the parent's cache @@ -211,21 +162,21 @@ bool CCoinsViewCache::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlockIn // parent cache entry has unspent outputs. If this ever happens, // it means the FRESH flag was misapplied and there is a logic // error in the calling code. - if ((it->second.flags & CCoinsCacheEntry::FRESH) && !itUs->second.coins.IsPruned()) + if ((it->second.flags & CCoinsCacheEntry::FRESH) && !itUs->second.coin.IsSpent()) throw std::logic_error("FRESH flag misapplied to cache entry for base transaction with spendable outputs"); // Found the entry in the parent cache - if ((itUs->second.flags & CCoinsCacheEntry::FRESH) && it->second.coins.IsPruned()) { + if ((itUs->second.flags & CCoinsCacheEntry::FRESH) && it->second.coin.IsSpent()) { // The grandparent does not have an entry, and the child is // modified and being pruned. This means we can just delete // it from the parent. - cachedCoinsUsage -= itUs->second.coins.DynamicMemoryUsage(); + cachedCoinsUsage -= itUs->second.coin.DynamicMemoryUsage(); cacheCoins.erase(itUs); } else { // A normal modification. - cachedCoinsUsage -= itUs->second.coins.DynamicMemoryUsage(); - itUs->second.coins.swap(it->second.coins); - cachedCoinsUsage += itUs->second.coins.DynamicMemoryUsage(); + cachedCoinsUsage -= itUs->second.coin.DynamicMemoryUsage(); + itUs->second.coin = std::move(it->second.coin); + cachedCoinsUsage += itUs->second.coin.DynamicMemoryUsage(); itUs->second.flags |= CCoinsCacheEntry::DIRTY; // NOTE: It is possible the child has a FRESH flag here in // the event the entry we found in the parent is pruned. But @@ -249,11 +200,11 @@ bool CCoinsViewCache::Flush() { return fOk; } -void CCoinsViewCache::Uncache(const uint256& hash) +void CCoinsViewCache::Uncache(const COutPoint& hash) { CCoinsMap::iterator it = cacheCoins.find(hash); if (it != cacheCoins.end() && it->second.flags == 0) { - cachedCoinsUsage -= it->second.coins.DynamicMemoryUsage(); + cachedCoinsUsage -= it->second.coin.DynamicMemoryUsage(); cacheCoins.erase(it); } } @@ -262,13 +213,6 @@ unsigned int CCoinsViewCache::GetCacheSize() const { return cacheCoins.size(); } -const CTxOut &CCoinsViewCache::GetOutputFor(const CTxIn& input) const -{ - const CCoins* coins = AccessCoins(input.prevout.hash); - assert(coins && coins->IsAvailable(input.prevout.n)); - return coins->vout[input.prevout.n]; -} - CAmount CCoinsViewCache::GetValueIn(const CTransaction& tx) const { if (tx.IsCoinBase()) @@ -276,7 +220,7 @@ CAmount CCoinsViewCache::GetValueIn(const CTransaction& tx) const CAmount nResult = 0; for (unsigned int i = 0; i < tx.vin.size(); i++) - nResult += GetOutputFor(tx.vin[i]).nValue; + nResult += AccessCoin(tx.vin[i].prevout).out.nValue; return nResult; } @@ -285,9 +229,7 @@ bool CCoinsViewCache::HaveInputs(const CTransaction& tx) const { if (!tx.IsCoinBase()) { for (unsigned int i = 0; i < tx.vin.size(); i++) { - const COutPoint &prevout = tx.vin[i].prevout; - const CCoins* coins = AccessCoins(prevout.hash); - if (!coins || !coins->IsAvailable(prevout.n)) { + if (!HaveCoin(tx.vin[i].prevout)) { return false; } } @@ -295,25 +237,15 @@ bool CCoinsViewCache::HaveInputs(const CTransaction& tx) const return true; } -CCoinsModifier::CCoinsModifier(CCoinsViewCache& cache_, CCoinsMap::iterator it_, size_t usage) : cache(cache_), it(it_), cachedCoinUsage(usage) { - assert(!cache.hasModifier); - cache.hasModifier = true; -} +static const size_t MAX_OUTPUTS_PER_BLOCK = MAX_BLOCK_BASE_SIZE / ::GetSerializeSize(CTxOut(), SER_NETWORK, PROTOCOL_VERSION); // TODO: merge with similar definition in undo.h. -CCoinsModifier::~CCoinsModifier() +const Coin& AccessByTxid(const CCoinsViewCache& view, const uint256& txid) { - assert(cache.hasModifier); - cache.hasModifier = false; - it->second.coins.Cleanup(); - cache.cachedCoinsUsage -= cachedCoinUsage; // Subtract the old usage - if ((it->second.flags & CCoinsCacheEntry::FRESH) && it->second.coins.IsPruned()) { - cache.cacheCoins.erase(it); - } else { - // If the coin still exists after the modification, add the new usage - cache.cachedCoinsUsage += it->second.coins.DynamicMemoryUsage(); + COutPoint iter(txid, 0); + while (iter.n < MAX_OUTPUTS_PER_BLOCK) { + const Coin& alternate = view.AccessCoin(iter); + if (!alternate.IsSpent()) return alternate; + ++iter.n; } -} - -CCoinsViewCursor::~CCoinsViewCursor() -{ + return coinEmpty; } diff --git a/src/coins.h b/src/coins.h index 065bae56e9..476db8f37c 100644 --- a/src/coins.h +++ b/src/coins.h @@ -20,135 +20,37 @@ #include <boost/foreach.hpp> #include <unordered_map> -/** - * Pruned version of CTransaction: only retains metadata and unspent transaction outputs +/** + * A UTXO entry. * * Serialized format: - * - VARINT(nVersion) - * - VARINT(nCode) - * - unspentness bitvector, for vout[2] and further; least significant byte first - * - the non-spent CTxOuts (via CTxOutCompressor) - * - VARINT(nHeight) - * - * The nCode value consists of: - * - bit 0: IsCoinBase() - * - bit 1: vout[0] is not spent - * - bit 2: vout[1] is not spent - * - The higher bits encode N, the number of non-zero bytes in the following bitvector. - * - In case both bit 1 and bit 2 are unset, they encode N-1, as there must be at - * least one non-spent output). - * - * Example: 0104835800816115944e077fe7c803cfa57f29b36bf87c1d358bb85e - * <><><--------------------------------------------><----> - * | \ | / - * version code vout[1] height - * - * - version = 1 - * - code = 4 (vout[1] is not spent, and 0 non-zero bytes of bitvector follow) - * - unspentness bitvector: as 0 non-zero bytes follow, it has length 0 - * - vout[1]: 835800816115944e077fe7c803cfa57f29b36bf87c1d35 - * * 8358: compact amount representation for 60000000000 (600 BTC) - * * 00: special txout type pay-to-pubkey-hash - * * 816115944e077fe7c803cfa57f29b36bf87c1d35: address uint160 - * - height = 203998 - * - * - * Example: 0109044086ef97d5790061b01caab50f1b8e9c50a5057eb43c2d9563a4eebbd123008c988f1a4a4de2161e0f50aac7f17e7f9555caa486af3b - * <><><--><--------------------------------------------------><----------------------------------------------><----> - * / \ \ | | / - * version code unspentness vout[4] vout[16] height - * - * - version = 1 - * - code = 9 (coinbase, neither vout[0] or vout[1] are unspent, - * 2 (1, +1 because both bit 1 and bit 2 are unset) non-zero bitvector bytes follow) - * - unspentness bitvector: bits 2 (0x04) and 14 (0x4000) are set, so vout[2+2] and vout[14+2] are unspent - * - vout[4]: 86ef97d5790061b01caab50f1b8e9c50a5057eb43c2d9563a4ee - * * 86ef97d579: compact amount representation for 234925952 (2.35 BTC) - * * 00: special txout type pay-to-pubkey-hash - * * 61b01caab50f1b8e9c50a5057eb43c2d9563a4ee: address uint160 - * - vout[16]: bbd123008c988f1a4a4de2161e0f50aac7f17e7f9555caa4 - * * bbd123: compact amount representation for 110397 (0.001 BTC) - * * 00: special txout type pay-to-pubkey-hash - * * 8c988f1a4a4de2161e0f50aac7f17e7f9555caa4: address uint160 - * - height = 120891 + * - VARINT((coinbase ? 1 : 0) | (height << 1)) + * - the non-spent CTxOut (via CTxOutCompressor) */ -class CCoins +class Coin { public: - //! whether transaction is a coinbase - bool fCoinBase; - - //! unspent transaction outputs; spent outputs are .IsNull(); spent outputs at the end of the array are dropped - std::vector<CTxOut> vout; + //! unspent transaction output + CTxOut out; - //! at which height this transaction was included in the active block chain - int nHeight; + //! whether containing transaction was a coinbase + unsigned int fCoinBase : 1; - //! version of the CTransaction; accesses to this value should probably check for nHeight as well, - //! as new tx version will probably only be introduced at certain heights - int nVersion; + //! at which height this containing transaction was included in the active block chain + uint32_t nHeight : 31; - void FromTx(const CTransaction &tx, int nHeightIn) { - fCoinBase = tx.IsCoinBase(); - vout = tx.vout; - nHeight = nHeightIn; - nVersion = tx.nVersion; - ClearUnspendable(); - } - - //! construct a CCoins from a CTransaction, at a given height - CCoins(const CTransaction &tx, int nHeightIn) { - FromTx(tx, nHeightIn); - } + //! construct a Coin from a CTxOut and height/coinbase information. + Coin(CTxOut&& outIn, int nHeightIn, bool fCoinBaseIn) : out(std::move(outIn)), fCoinBase(fCoinBaseIn), nHeight(nHeightIn) {} + Coin(const CTxOut& outIn, int nHeightIn, bool fCoinBaseIn) : out(outIn), fCoinBase(fCoinBaseIn),nHeight(nHeightIn) {} void Clear() { + out.SetNull(); fCoinBase = false; - std::vector<CTxOut>().swap(vout); nHeight = 0; - nVersion = 0; } //! empty constructor - CCoins() : fCoinBase(false), vout(0), nHeight(0), nVersion(0) { } - - //!remove spent outputs at the end of vout - void Cleanup() { - while (vout.size() > 0 && vout.back().IsNull()) - vout.pop_back(); - if (vout.empty()) - std::vector<CTxOut>().swap(vout); - } - - void ClearUnspendable() { - BOOST_FOREACH(CTxOut &txout, vout) { - if (txout.scriptPubKey.IsUnspendable()) - txout.SetNull(); - } - Cleanup(); - } - - void swap(CCoins &to) { - std::swap(to.fCoinBase, fCoinBase); - to.vout.swap(vout); - std::swap(to.nHeight, nHeight); - std::swap(to.nVersion, nVersion); - } - - //! equality test - friend bool operator==(const CCoins &a, const CCoins &b) { - // Empty CCoins objects are always equal. - if (a.IsPruned() && b.IsPruned()) - return true; - return a.fCoinBase == b.fCoinBase && - a.nHeight == b.nHeight && - a.nVersion == b.nVersion && - a.vout == b.vout; - } - friend bool operator!=(const CCoins &a, const CCoins &b) { - return !(a == b); - } - - void CalcMaskSize(unsigned int &nBytes, unsigned int &nNonzeroBytes) const; + Coin() : fCoinBase(false), nHeight(0) { } bool IsCoinBase() const { return fCoinBase; @@ -156,115 +58,52 @@ public: template<typename Stream> void Serialize(Stream &s) const { - unsigned int nMaskSize = 0, nMaskCode = 0; - CalcMaskSize(nMaskSize, nMaskCode); - bool fFirst = vout.size() > 0 && !vout[0].IsNull(); - bool fSecond = vout.size() > 1 && !vout[1].IsNull(); - assert(fFirst || fSecond || nMaskCode); - unsigned int nCode = 8*(nMaskCode - (fFirst || fSecond ? 0 : 1)) + (fCoinBase ? 1 : 0) + (fFirst ? 2 : 0) + (fSecond ? 4 : 0); - // version - ::Serialize(s, VARINT(this->nVersion)); - // header code - ::Serialize(s, VARINT(nCode)); - // spentness bitmask - for (unsigned int b = 0; b<nMaskSize; b++) { - unsigned char chAvail = 0; - for (unsigned int i = 0; i < 8 && 2+b*8+i < vout.size(); i++) - if (!vout[2+b*8+i].IsNull()) - chAvail |= (1 << i); - ::Serialize(s, chAvail); - } - // txouts themself - for (unsigned int i = 0; i < vout.size(); i++) { - if (!vout[i].IsNull()) - ::Serialize(s, CTxOutCompressor(REF(vout[i]))); - } - // coinbase height - ::Serialize(s, VARINT(nHeight)); + assert(!IsSpent()); + uint32_t code = nHeight * 2 + fCoinBase; + ::Serialize(s, VARINT(code)); + ::Serialize(s, CTxOutCompressor(REF(out))); } template<typename Stream> void Unserialize(Stream &s) { - unsigned int nCode = 0; - // version - ::Unserialize(s, VARINT(this->nVersion)); - // header code - ::Unserialize(s, VARINT(nCode)); - fCoinBase = nCode & 1; - std::vector<bool> vAvail(2, false); - vAvail[0] = (nCode & 2) != 0; - vAvail[1] = (nCode & 4) != 0; - unsigned int nMaskCode = (nCode / 8) + ((nCode & 6) != 0 ? 0 : 1); - // spentness bitmask - while (nMaskCode > 0) { - unsigned char chAvail = 0; - ::Unserialize(s, chAvail); - for (unsigned int p = 0; p < 8; p++) { - bool f = (chAvail & (1 << p)) != 0; - vAvail.push_back(f); - } - if (chAvail != 0) - nMaskCode--; - } - // txouts themself - vout.assign(vAvail.size(), CTxOut()); - for (unsigned int i = 0; i < vAvail.size(); i++) { - if (vAvail[i]) - ::Unserialize(s, REF(CTxOutCompressor(vout[i]))); - } - // coinbase height - ::Unserialize(s, VARINT(nHeight)); - Cleanup(); + uint32_t code = 0; + ::Unserialize(s, VARINT(code)); + nHeight = code >> 1; + fCoinBase = code & 1; + ::Unserialize(s, REF(CTxOutCompressor(out))); } - //! mark a vout spent - bool Spend(uint32_t nPos); - - //! check whether a particular output is still available - bool IsAvailable(unsigned int nPos) const { - return (nPos < vout.size() && !vout[nPos].IsNull()); - } - - //! check whether the entire CCoins is spent - //! note that only !IsPruned() CCoins can be serialized - bool IsPruned() const { - BOOST_FOREACH(const CTxOut &out, vout) - if (!out.IsNull()) - return false; - return true; + bool IsSpent() const { + return out.IsNull(); } size_t DynamicMemoryUsage() const { - size_t ret = memusage::DynamicUsage(vout); - BOOST_FOREACH(const CTxOut &out, vout) { - ret += RecursiveDynamicUsage(out.scriptPubKey); - } - return ret; + return memusage::DynamicUsage(out.scriptPubKey); } }; -class SaltedTxidHasher +class SaltedOutpointHasher { private: /** Salt */ const uint64_t k0, k1; public: - SaltedTxidHasher(); + SaltedOutpointHasher(); /** * This *must* return size_t. With Boost 1.46 on 32-bit systems the * unordered_map will behave unpredictably if the custom hasher returns a * uint64_t, resulting in failures when syncing the chain (#4634). */ - size_t operator()(const uint256& txid) const { - return SipHashUint256(k0, k1, txid); + size_t operator()(const COutPoint& id) const { + return SipHashUint256Extra(k0, k1, id.hash, id.n); } }; struct CCoinsCacheEntry { - CCoins coins; // The actual cached data. + Coin coin; // The actual cached data. unsigned char flags; enum Flags { @@ -277,20 +116,21 @@ struct CCoinsCacheEntry */ }; - CCoinsCacheEntry() : coins(), flags(0) {} + CCoinsCacheEntry() : flags(0) {} + explicit CCoinsCacheEntry(Coin&& coin_) : coin(std::move(coin_)), flags(0) {} }; -typedef std::unordered_map<uint256, CCoinsCacheEntry, SaltedTxidHasher> CCoinsMap; +typedef std::unordered_map<COutPoint, CCoinsCacheEntry, SaltedOutpointHasher> CCoinsMap; /** Cursor for iterating over CoinsView state */ class CCoinsViewCursor { public: CCoinsViewCursor(const uint256 &hashBlockIn): hashBlock(hashBlockIn) {} - virtual ~CCoinsViewCursor(); + virtual ~CCoinsViewCursor() {} - virtual bool GetKey(uint256 &key) const = 0; - virtual bool GetValue(CCoins &coins) const = 0; + virtual bool GetKey(COutPoint &key) const = 0; + virtual bool GetValue(Coin &coin) const = 0; virtual unsigned int GetValueSize() const = 0; virtual bool Valid() const = 0; @@ -306,17 +146,17 @@ private: class CCoinsView { public: - //! Retrieve the CCoins (unspent transaction outputs) for a given txid - virtual bool GetCoins(const uint256 &txid, CCoins &coins) const; + //! Retrieve the Coin (unspent transaction output) for a given outpoint. + virtual bool GetCoin(const COutPoint &outpoint, Coin &coin) const; - //! Just check whether we have data for a given txid. - //! This may (but cannot always) return true for fully spent transactions - virtual bool HaveCoins(const uint256 &txid) const; + //! Just check whether we have data for a given outpoint. + //! This may (but cannot always) return true for spent outputs. + virtual bool HaveCoin(const COutPoint &outpoint) const; //! Retrieve the block hash whose state this CCoinsView currently represents virtual uint256 GetBestBlock() const; - //! Do a bulk modification (multiple CCoins changes + BestBlock change). + //! Do a bulk modification (multiple Coin changes + BestBlock change). //! The passed mapCoins can be modified. virtual bool BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock); @@ -325,6 +165,9 @@ public: //! As we use CCoinsViews polymorphically, have a virtual destructor virtual ~CCoinsView() {} + + //! Estimate database size (0 if not implemented) + virtual size_t EstimateSize() const { return 0; } }; @@ -336,45 +179,20 @@ protected: public: CCoinsViewBacked(CCoinsView *viewIn); - bool GetCoins(const uint256 &txid, CCoins &coins) const; - bool HaveCoins(const uint256 &txid) const; - uint256 GetBestBlock() const; + bool GetCoin(const COutPoint &outpoint, Coin &coin) const override; + bool HaveCoin(const COutPoint &outpoint) const override; + uint256 GetBestBlock() const override; void SetBackend(CCoinsView &viewIn); - bool BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock); - CCoinsViewCursor *Cursor() const; + bool BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) override; + CCoinsViewCursor *Cursor() const override; + size_t EstimateSize() const override; }; -class CCoinsViewCache; - -/** - * A reference to a mutable cache entry. Encapsulating it allows us to run - * cleanup code after the modification is finished, and keeping track of - * concurrent modifications. - */ -class CCoinsModifier -{ -private: - CCoinsViewCache& cache; - CCoinsMap::iterator it; - size_t cachedCoinUsage; // Cached memory usage of the CCoins object before modification - CCoinsModifier(CCoinsViewCache& cache_, CCoinsMap::iterator it_, size_t usage); - -public: - CCoins* operator->() { return &it->second.coins; } - CCoins& operator*() { return it->second.coins; } - ~CCoinsModifier(); - friend class CCoinsViewCache; -}; - /** CCoinsView that adds a memory cache for transactions to another CCoinsView */ class CCoinsViewCache : public CCoinsViewBacked { protected: - /* Whether this cache has an active modifier. */ - bool hasModifier; - - /** * Make mutable so that we can "fill the cache" even from Get-methods * declared as "const". @@ -382,51 +200,45 @@ protected: mutable uint256 hashBlock; mutable CCoinsMap cacheCoins; - /* Cached dynamic memory usage for the inner CCoins objects. */ + /* Cached dynamic memory usage for the inner Coin objects. */ mutable size_t cachedCoinsUsage; public: CCoinsViewCache(CCoinsView *baseIn); - ~CCoinsViewCache(); // Standard CCoinsView methods - bool GetCoins(const uint256 &txid, CCoins &coins) const; - bool HaveCoins(const uint256 &txid) const; + bool GetCoin(const COutPoint &outpoint, Coin &coin) const; + bool HaveCoin(const COutPoint &outpoint) const; uint256 GetBestBlock() const; void SetBestBlock(const uint256 &hashBlock); bool BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock); /** - * Check if we have the given tx already loaded in this cache. - * The semantics are the same as HaveCoins(), but no calls to + * Check if we have the given utxo already loaded in this cache. + * The semantics are the same as HaveCoin(), but no calls to * the backing CCoinsView are made. */ - bool HaveCoinsInCache(const uint256 &txid) const; + bool HaveCoinInCache(const COutPoint &outpoint) const; /** - * Return a pointer to CCoins in the cache, or NULL if not found. This is - * more efficient than GetCoins. Modifications to other cache entries are + * Return a reference to Coin in the cache, or a pruned one if not found. This is + * more efficient than GetCoin. Modifications to other cache entries are * allowed while accessing the returned pointer. */ - const CCoins* AccessCoins(const uint256 &txid) const; + const Coin& AccessCoin(const COutPoint &output) const; /** - * Return a modifiable reference to a CCoins. If no entry with the given - * txid exists, a new one is created. Simultaneous modifications are not - * allowed. + * Add a coin. Set potential_overwrite to true if a non-pruned version may + * already exist. */ - CCoinsModifier ModifyCoins(const uint256 &txid); + void AddCoin(const COutPoint& outpoint, Coin&& coin, bool potential_overwrite); /** - * Return a modifiable reference to a CCoins. Assumes that no entry with the given - * txid exists and creates a new one. This saves a database access in the case where - * the coins were to be wiped out by FromTx anyway. This should not be called with - * the 2 historical coinbase duplicate pairs because the new coins are marked fresh, and - * in the event the duplicate coinbase was spent before a flush, the now pruned coins - * would not properly overwrite the first coinbase of the pair. Simultaneous modifications - * are not allowed. + * Spend a coin. Pass moveto in order to get the deleted data. + * If no unspent output exists for the passed outpoint, this call + * has no effect. */ - CCoinsModifier ModifyNewCoins(const uint256 &txid, bool coinbase); + void SpendCoin(const COutPoint &outpoint, Coin* moveto = nullptr); /** * Push the modifications applied to this cache to its base. @@ -436,12 +248,12 @@ public: bool Flush(); /** - * Removes the transaction with the given hash from the cache, if it is + * Removes the UTXO with the given outpoint from the cache, if it is * not modified. */ - void Uncache(const uint256 &txid); + void Uncache(const COutPoint &outpoint); - //! Calculate the size of the cache (in number of transactions) + //! Calculate the size of the cache (in number of transaction outputs) unsigned int GetCacheSize() const; //! Calculate the size of the cache (in bytes) @@ -460,12 +272,8 @@ public: //! Check whether all prevouts of the transaction are present in the UTXO set represented by this view bool HaveInputs(const CTransaction& tx) const; - const CTxOut &GetOutputFor(const CTxIn& input) const; - - friend class CCoinsModifier; - private: - CCoinsMap::const_iterator FetchCoins(const uint256 &txid) const; + CCoinsMap::iterator FetchCoin(const COutPoint &outpoint) const; /** * By making the copy constructor private, we prevent accidentally using it when one intends to create a cache on top of a base cache. @@ -473,4 +281,13 @@ private: CCoinsViewCache(const CCoinsViewCache &); }; +//! Utility function to add all of a transaction's outputs to a cache. +// It assumes that overwrites are only possible for coinbase transactions, +// TODO: pass in a boolean to limit these possible overwrites to known +// (pre-BIP34) cases. +void AddCoins(CCoinsViewCache& cache, const CTransaction& tx, int nHeight); + +//! Utility function to find any unspent output with a given txid. +const Coin& AccessByTxid(const CCoinsViewCache& cache, const uint256& txid); + #endif // BITCOIN_COINS_H diff --git a/src/consensus/tx_verify.cpp b/src/consensus/tx_verify.cpp index 043f4cf95c..bf68f8754b 100644 --- a/src/consensus/tx_verify.cpp +++ b/src/consensus/tx_verify.cpp @@ -126,7 +126,7 @@ unsigned int GetP2SHSigOpCount(const CTransaction& tx, const CCoinsViewCache& in unsigned int nSigOps = 0; for (unsigned int i = 0; i < tx.vin.size(); i++) { - const CTxOut &prevout = inputs.GetOutputFor(tx.vin[i]); + const CTxOut &prevout = inputs.AccessCoin(tx.vin[i].prevout).out; if (prevout.scriptPubKey.IsPayToScriptHash()) nSigOps += prevout.scriptPubKey.GetSigOpCount(tx.vin[i].scriptSig); } @@ -146,7 +146,7 @@ int64_t GetTransactionSigOpCost(const CTransaction& tx, const CCoinsViewCache& i for (unsigned int i = 0; i < tx.vin.size(); i++) { - const CTxOut &prevout = inputs.GetOutputFor(tx.vin[i]); + const CTxOut &prevout = inputs.AccessCoin(tx.vin[i].prevout).out; nSigOps += CountWitnessSigOps(tx.vin[i].scriptSig, prevout.scriptPubKey, &tx.vin[i].scriptWitness, flags); } return nSigOps; @@ -213,20 +213,20 @@ bool Consensus::CheckTxInputs(const CTransaction& tx, CValidationState& state, c for (unsigned int i = 0; i < tx.vin.size(); i++) { const COutPoint &prevout = tx.vin[i].prevout; - const CCoins *coins = inputs.AccessCoins(prevout.hash); - assert(coins); + const Coin& coin = inputs.AccessCoin(prevout); + assert(!coin.IsSpent()); // If prev is coinbase, check that it's matured - if (coins->IsCoinBase()) { - if (nSpendHeight - coins->nHeight < COINBASE_MATURITY) + if (coin.IsCoinBase()) { + if (nSpendHeight - coin.nHeight < COINBASE_MATURITY) return state.Invalid(false, REJECT_INVALID, "bad-txns-premature-spend-of-coinbase", - strprintf("tried to spend coinbase at depth %d", nSpendHeight - coins->nHeight)); + strprintf("tried to spend coinbase at depth %d", nSpendHeight - coin.nHeight)); } // Check for negative or overflow input values - nValueIn += coins->vout[prevout.n].nValue; - if (!MoneyRange(coins->vout[prevout.n].nValue) || !MoneyRange(nValueIn)) + nValueIn += coin.out.nValue; + if (!MoneyRange(coin.out.nValue) || !MoneyRange(nValueIn)) return state.DoS(100, false, REJECT_INVALID, "bad-txns-inputvalues-outofrange"); } diff --git a/src/core_memusage.h b/src/core_memusage.h index 5e10182075..e4ccd54c42 100644 --- a/src/core_memusage.h +++ b/src/core_memusage.h @@ -63,4 +63,9 @@ static inline size_t RecursiveDynamicUsage(const CBlockLocator& locator) { return memusage::DynamicUsage(locator.vHave); } +template<typename X> +static inline size_t RecursiveDynamicUsage(const std::shared_ptr<X>& p) { + return p ? memusage::DynamicUsage(p) + RecursiveDynamicUsage(*p) : 0; +} + #endif // BITCOIN_CORE_MEMUSAGE_H diff --git a/src/dbwrapper.h b/src/dbwrapper.h index b13e98b7a4..24ef71bfbf 100644 --- a/src/dbwrapper.h +++ b/src/dbwrapper.h @@ -55,11 +55,19 @@ private: CDataStream ssKey; CDataStream ssValue; + size_t size_estimate; + public: /** * @param[in] _parent CDBWrapper that this batch is to be submitted to */ - CDBBatch(const CDBWrapper &_parent) : parent(_parent), ssKey(SER_DISK, CLIENT_VERSION), ssValue(SER_DISK, CLIENT_VERSION) { }; + CDBBatch(const CDBWrapper &_parent) : parent(_parent), ssKey(SER_DISK, CLIENT_VERSION), ssValue(SER_DISK, CLIENT_VERSION), size_estimate(0) { }; + + void Clear() + { + batch.Clear(); + size_estimate = 0; + } template <typename K, typename V> void Write(const K& key, const V& value) @@ -74,6 +82,14 @@ public: leveldb::Slice slValue(ssValue.data(), ssValue.size()); batch.Put(slKey, slValue); + // LevelDB serializes writes as: + // - byte: header + // - varint: key length (1 byte up to 127B, 2 bytes up to 16383B, ...) + // - byte[]: key + // - varint: value length + // - byte[]: value + // The formula below assumes the key and value are both less than 16k. + size_estimate += 3 + (slKey.size() > 127) + slKey.size() + (slValue.size() > 127) + slValue.size(); ssKey.clear(); ssValue.clear(); } @@ -86,8 +102,16 @@ public: leveldb::Slice slKey(ssKey.data(), ssKey.size()); batch.Delete(slKey); + // LevelDB serializes erases as: + // - byte: header + // - varint: key length + // - byte[]: key + // The formula below assumes the key is less than 16kB. + size_estimate += 2 + (slKey.size() > 127) + slKey.size(); ssKey.clear(); } + + size_t SizeEstimate() const { return size_estimate; } }; class CDBIterator @@ -281,7 +305,22 @@ public: * Return true if the database managed by this class contains no entries. */ bool IsEmpty(); + + template<typename K> + size_t EstimateSize(const K& key_begin, const K& key_end) const + { + CDataStream ssKey1(SER_DISK, CLIENT_VERSION), ssKey2(SER_DISK, CLIENT_VERSION); + ssKey1.reserve(DBWRAPPER_PREALLOC_KEY_SIZE); + ssKey2.reserve(DBWRAPPER_PREALLOC_KEY_SIZE); + ssKey1 << key_begin; + ssKey2 << key_end; + leveldb::Slice slKey1(ssKey1.data(), ssKey1.size()); + leveldb::Slice slKey2(ssKey2.data(), ssKey2.size()); + uint64_t size = 0; + leveldb::Range range(slKey1, slKey2); + pdb->GetApproximateSizes(&range, 1, &size); + return size; + } }; #endif // BITCOIN_DBWRAPPER_H - diff --git a/src/hash.cpp b/src/hash.cpp index a14a2386a2..b361c90d16 100644 --- a/src/hash.cpp +++ b/src/hash.cpp @@ -208,3 +208,44 @@ uint64_t SipHashUint256(uint64_t k0, uint64_t k1, const uint256& val) SIPROUND; return v0 ^ v1 ^ v2 ^ v3; } + +uint64_t SipHashUint256Extra(uint64_t k0, uint64_t k1, const uint256& val, uint32_t extra) +{ + /* Specialized implementation for efficiency */ + uint64_t d = val.GetUint64(0); + + uint64_t v0 = 0x736f6d6570736575ULL ^ k0; + uint64_t v1 = 0x646f72616e646f6dULL ^ k1; + uint64_t v2 = 0x6c7967656e657261ULL ^ k0; + uint64_t v3 = 0x7465646279746573ULL ^ k1 ^ d; + + SIPROUND; + SIPROUND; + v0 ^= d; + d = val.GetUint64(1); + v3 ^= d; + SIPROUND; + SIPROUND; + v0 ^= d; + d = val.GetUint64(2); + v3 ^= d; + SIPROUND; + SIPROUND; + v0 ^= d; + d = val.GetUint64(3); + v3 ^= d; + SIPROUND; + SIPROUND; + v0 ^= d; + d = (((uint64_t)36) << 56) | extra; + v3 ^= d; + SIPROUND; + SIPROUND; + v0 ^= d; + v2 ^= 0xFF; + SIPROUND; + SIPROUND; + SIPROUND; + SIPROUND; + return v0 ^ v1 ^ v2 ^ v3; +} diff --git a/src/hash.h b/src/hash.h index eacb8f04fe..b9952d39fc 100644 --- a/src/hash.h +++ b/src/hash.h @@ -160,6 +160,41 @@ public: } }; +/** Reads data from an underlying stream, while hashing the read data. */ +template<typename Source> +class CHashVerifier : public CHashWriter +{ +private: + Source* source; + +public: + CHashVerifier(Source* source_) : CHashWriter(source_->GetType(), source_->GetVersion()), source(source_) {} + + void read(char* pch, size_t nSize) + { + source->read(pch, nSize); + this->write(pch, nSize); + } + + void ignore(size_t nSize) + { + char data[1024]; + while (nSize > 0) { + size_t now = std::min<size_t>(nSize, 1024); + read(data, now); + nSize -= now; + } + } + + template<typename T> + CHashVerifier<Source>& operator>>(T& obj) + { + // Unserialize from this stream + ::Unserialize(*this, obj); + return (*this); + } +}; + /** Compute the 256-bit hash of an object's serialization. */ template<typename T> uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=PROTOCOL_VERSION) @@ -206,5 +241,6 @@ public: * .Finalize() */ uint64_t SipHashUint256(uint64_t k0, uint64_t k1, const uint256& val); +uint64_t SipHashUint256Extra(uint64_t k0, uint64_t k1, const uint256& val, uint32_t extra); #endif // BITCOIN_HASH_H diff --git a/src/init.cpp b/src/init.cpp index 3bbdb16c3b..33023a1800 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -146,9 +146,9 @@ class CCoinsViewErrorCatcher : public CCoinsViewBacked { public: CCoinsViewErrorCatcher(CCoinsView* view) : CCoinsViewBacked(view) {} - bool GetCoins(const uint256 &txid, CCoins &coins) const { + bool GetCoin(const COutPoint &outpoint, Coin &coin) const override { try { - return CCoinsViewBacked::GetCoins(txid, coins); + return CCoinsViewBacked::GetCoin(outpoint, coin); } catch(const std::runtime_error& e) { uiInterface.ThreadSafeMessageBox(_("Error reading from database, shutting down."), "", CClientUIInterface::MSG_ERROR); LogPrintf("Error reading from database: %s\n", e.what()); @@ -1386,11 +1386,6 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) } } - if (gArgs.IsArgSet("-seednode")) { - BOOST_FOREACH(const std::string& strDest, gArgs.GetArgs("-seednode")) - connman.AddOneShot(strDest); - } - #if ENABLE_ZMQ pzmqNotificationInterface = CZMQNotificationInterface::Create(); @@ -1455,6 +1450,12 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) //If we're reindexing in prune mode, wipe away unusable block files and all undo data files if (fPruneMode) CleanupBlockRevFiles(); + } else { + // If necessary, upgrade from older database format. + if (!pcoinsdbview->Upgrade()) { + strLoadError = _("Error upgrading chainstate database"); + break; + } } if (!LoadBlockIndex(chainparams)) { @@ -1659,6 +1660,10 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) connOptions.nMaxOutboundTimeframe = nMaxOutboundTimeframe; connOptions.nMaxOutboundLimit = nMaxOutboundLimit; + if (gArgs.IsArgSet("-seednode")) { + connOptions.vSeedNodes = gArgs.GetArgs("-seednode"); + } + if (!connman.Start(scheduler, strNodeError, connOptions)) return InitError(strNodeError); diff --git a/src/net.cpp b/src/net.cpp index 198d8f5fff..378ac99d66 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -1721,11 +1721,17 @@ void CConnman::ThreadOpenConnections() // Only connect out to one peer per network group (/16 for IPv4). // Do this here so we don't have to critsect vNodes inside mapAddresses critsect. int nOutbound = 0; + int nOutboundRelevant = 0; std::set<std::vector<unsigned char> > setConnected; { LOCK(cs_vNodes); BOOST_FOREACH(CNode* pnode, vNodes) { if (!pnode->fInbound && !pnode->fAddnode) { + + // Count the peers that have all relevant services + if (pnode->fSuccessfullyConnected && !pnode->fFeeler && ((pnode->nServices & nRelevantServices) == nRelevantServices)) { + nOutboundRelevant++; + } // Netgroups for inbound and addnode peers are not excluded because our goal here // is to not use multiple of our limited outbound slots on a single netgroup // but inbound and addnode peers do not use our outbound slots. Inbound peers @@ -1743,9 +1749,9 @@ void CConnman::ThreadOpenConnections() // * Increase the number of connectable addresses in the tried table. // // Method: - // * Choose a random address from new and attempt to connect to it if we can connect + // * Choose a random address from new and attempt to connect to it if we can connect // successfully it is added to tried. - // * Start attempting feeler connections only after node finishes making outbound + // * Start attempting feeler connections only after node finishes making outbound // connections. // * Only make a feeler connection once every few minutes. // @@ -1789,14 +1795,27 @@ void CConnman::ThreadOpenConnections() continue; // only consider nodes missing relevant services after 40 failed attempts and only if less than half the outbound are up. - if ((addr.nServices & nRelevantServices) != nRelevantServices && (nTries < 40 || nOutbound >= (nMaxOutbound >> 1))) + ServiceFlags nRequiredServices = nRelevantServices; + if (nTries >= 40 && nOutbound < (nMaxOutbound >> 1)) { + nRequiredServices = REQUIRED_SERVICES; + } + + if ((addr.nServices & nRequiredServices) != nRequiredServices) { continue; + } // do not allow non-default ports, unless after 50 invalid addresses selected already if (addr.GetPort() != Params().GetDefaultPort() && nTries < 50) continue; addrConnect = addr; + + // regardless of the services assumed to be available, only require the minimum if half or more outbound have relevant services + if (nOutboundRelevant >= (nMaxOutbound >> 1)) { + addrConnect.nServices = REQUIRED_SERVICES; + } else { + addrConnect.nServices = nRequiredServices; + } break; } @@ -2212,6 +2231,10 @@ bool CConnman::Start(CScheduler& scheduler, std::string& strNodeError, Options c SetBestHeight(connOptions.nBestHeight); + for (const auto& strDest : connOptions.vSeedNodes) { + AddOneShot(strDest); + } + clientInterface = connOptions.uiInterface; if (clientInterface) { clientInterface->InitMessage(_("Loading P2P addresses...")); @@ -144,6 +144,7 @@ public: unsigned int nReceiveFloodSize = 0; uint64_t nMaxOutboundTimeframe = 0; uint64_t nMaxOutboundLimit = 0; + std::vector<std::string> vSeedNodes; }; CConnman(uint64_t seed0, uint64_t seed1); ~CConnman(); @@ -233,8 +234,6 @@ public: void GetBanned(banmap_t &banmap); void SetBanned(const banmap_t &banmap); - void AddOneShot(const std::string& strDest); - bool AddNode(const std::string& node); bool RemoveAddedNode(const std::string& node); std::vector<AddedNodeInfo> GetAddedNodeInfo(); @@ -292,6 +291,7 @@ private: }; void ThreadOpenAddedConnections(); + void AddOneShot(const std::string& strDest); void ProcessOneShot(); void ThreadOpenConnections(); void ThreadMessageHandler(); diff --git a/src/net_processing.cpp b/src/net_processing.cpp index aca88f2660..971db3427c 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -754,8 +754,8 @@ void PeerLogicValidation::BlockConnected(const std::shared_ptr<const CBlock>& pb const CTransaction& tx = *ptx; // Which orphan pool entries must we evict? - for (size_t j = 0; j < tx.vin.size(); j++) { - auto itByPrev = mapOrphanTransactionsByPrev.find(tx.vin[j].prevout); + for (const auto& txin : tx.vin) { + auto itByPrev = mapOrphanTransactionsByPrev.find(txin.prevout); if (itByPrev == mapOrphanTransactionsByPrev.end()) continue; for (auto mi = itByPrev->second.begin(); mi != itByPrev->second.end(); ++mi) { const CTransaction& orphanTx = *(*mi)->second.tx; @@ -911,12 +911,11 @@ bool static AlreadyHave(const CInv& inv) EXCLUSIVE_LOCKS_REQUIRED(cs_main) recentRejects->reset(); } - // Use pcoinsTip->HaveCoinsInCache as a quick approximation to exclude - // requesting or processing some txs which have already been included in a block return recentRejects->contains(inv.hash) || mempool.exists(inv.hash) || mapOrphanTransactions.count(inv.hash) || - pcoinsTip->HaveCoinsInCache(inv.hash); + pcoinsTip->HaveCoinInCache(COutPoint(inv.hash, 0)) || // Best effort: only try output 0 and 1 + pcoinsTip->HaveCoinInCache(COutPoint(inv.hash, 1)); } case MSG_BLOCK: case MSG_WITNESS_BLOCK: @@ -1553,10 +1552,8 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr uint32_t nFetchFlags = GetFetchFlags(pfrom); - for (unsigned int nInv = 0; nInv < vInv.size(); nInv++) + for (CInv &inv : vInv) { - CInv &inv = vInv[nInv]; - if (interruptMsgProc) return true; diff --git a/src/netbase.cpp b/src/netbase.cpp index 2584f571ee..32557dd179 100644 --- a/src/netbase.cpp +++ b/src/netbase.cpp @@ -668,13 +668,14 @@ std::string NetworkErrorString(int err) std::string NetworkErrorString(int err) { char buf[256]; - const char *s = buf; buf[0] = 0; /* Too bad there are two incompatible implementations of the * thread-safe strerror. */ + const char *s; #ifdef STRERROR_R_CHAR_P /* GNU variant can return a pointer outside the passed buffer */ s = strerror_r(err, buf, sizeof(buf)); #else /* POSIX variant always returns message in buffer */ + s = buf; if (strerror_r(err, buf, sizeof(buf))) buf[0] = 0; #endif diff --git a/src/policy/fees.cpp b/src/policy/fees.cpp index bad3de4b44..66083fe1ee 100644 --- a/src/policy/fees.cpp +++ b/src/policy/fees.cpp @@ -604,8 +604,8 @@ void CBlockPolicyEstimator::processBlock(unsigned int nBlockHeight, unsigned int countedTxs = 0; // Update averages with data points from current block - for (unsigned int i = 0; i < entries.size(); i++) { - if (processBlockTx(nBlockHeight, entries[i])) + for (const auto& entry : entries) { + if (processBlockTx(nBlockHeight, entry)) countedTxs++; } @@ -786,7 +786,7 @@ CFeeRate CBlockPolicyEstimator::estimateSmartFee(int confTarget, int *answerFoun * This is necessary to preserve monotonically increasing estimates. * For non-conservative estimates we do the same thing for 2*target, but * for conservative estimates we want to skip these shorter horizons - * checks for 2*target becuase we are taking the max over all time + * checks for 2*target because we are taking the max over all time * horizons so we already have monotonically increasing estimates and * the purpose of conservative estimates is not to let short term * fluctuations lower our estimates by too much. diff --git a/src/policy/fees.h b/src/policy/fees.h index f527c85004..e99fec2c39 100644 --- a/src/policy/fees.h +++ b/src/policy/fees.h @@ -51,7 +51,7 @@ class TxConfirmStats; * blocks. This is is tracked in 3 different data sets each up to a maximum * number of periods. Within each data set we have an array of counters in each * feerate bucket and we increment all the counters from Y' up to max periods - * representing that a tx was successfullly confirmed in less than or equal to + * representing that a tx was successfully confirmed in less than or equal to * that many periods. We want to save a history of this information, so at any * time we have a counter of the total number of transactions that happened in a * given feerate bucket and the total number that were confirmed in each of the diff --git a/src/policy/policy.cpp b/src/policy/policy.cpp index f4fffd6578..14d58e7442 100644 --- a/src/policy/policy.cpp +++ b/src/policy/policy.cpp @@ -165,7 +165,7 @@ bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs) for (unsigned int i = 0; i < tx.vin.size(); i++) { - const CTxOut& prev = mapInputs.GetOutputFor(tx.vin[i]); + const CTxOut& prev = mapInputs.AccessCoin(tx.vin[i].prevout).out; std::vector<std::vector<unsigned char> > vSolutions; txnouttype whichType; @@ -204,7 +204,7 @@ bool IsWitnessStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs) if (tx.vin[i].scriptWitness.IsNull()) continue; - const CTxOut &prev = mapInputs.GetOutputFor(tx.vin[i]); + const CTxOut &prev = mapInputs.AccessCoin(tx.vin[i].prevout).out; // get the scriptPubKey corresponding to this input: CScript prevScript = prev.scriptPubKey; diff --git a/src/qt/test/wallettests.cpp b/src/qt/test/wallettests.cpp index a0dce3d997..ff1eb59f16 100644 --- a/src/qt/test/wallettests.cpp +++ b/src/qt/test/wallettests.cpp @@ -8,26 +8,46 @@ #include "qt/sendcoinsdialog.h" #include "qt/sendcoinsentry.h" #include "qt/transactiontablemodel.h" +#include "qt/transactionview.h" #include "qt/walletmodel.h" #include "test/test_bitcoin.h" #include "validation.h" #include "wallet/wallet.h" #include <QAbstractButton> +#include <QAction> #include <QApplication> +#include <QCheckBox> +#include <QPushButton> #include <QTimer> #include <QVBoxLayout> namespace { -//! Press "Yes" button in modal send confirmation dialog. -void ConfirmSend() +//! Press "Ok" button in message box dialog. +void ConfirmMessage(QString* text = nullptr) { - QTimer::singleShot(0, makeCallback([](Callback* callback) { + QTimer::singleShot(0, makeCallback([text](Callback* callback) { + for (QWidget* widget : QApplication::topLevelWidgets()) { + if (widget->inherits("QMessageBox")) { + QMessageBox* messageBox = qobject_cast<QMessageBox*>(widget); + if (text) *text = messageBox->text(); + messageBox->defaultButton()->click(); + } + } + delete callback; + }), SLOT(call())); +} + +//! Press "Yes" or "Cancel" buttons in modal send confirmation dialog. +void ConfirmSend(QString* text = nullptr, bool cancel = false) +{ + QTimer::singleShot(0, makeCallback([text, cancel](Callback* callback) { for (QWidget* widget : QApplication::topLevelWidgets()) { if (widget->inherits("SendConfirmationDialog")) { SendConfirmationDialog* dialog = qobject_cast<SendConfirmationDialog*>(widget); - QAbstractButton* button = dialog->button(QMessageBox::Yes); + if (text) *text = dialog->text(); + QAbstractButton* button = dialog->button(cancel ? QMessageBox::Cancel : QMessageBox::Yes); button->setEnabled(true); button->click(); } @@ -37,12 +57,16 @@ void ConfirmSend() } //! Send coins to address and return txid. -uint256 SendCoins(CWallet& wallet, SendCoinsDialog& sendCoinsDialog, const CBitcoinAddress& address, CAmount amount) +uint256 SendCoins(CWallet& wallet, SendCoinsDialog& sendCoinsDialog, const CBitcoinAddress& address, CAmount amount, bool rbf) { QVBoxLayout* entries = sendCoinsDialog.findChild<QVBoxLayout*>("entries"); SendCoinsEntry* entry = qobject_cast<SendCoinsEntry*>(entries->itemAt(0)->widget()); entry->findChild<QValidatedLineEdit*>("payTo")->setText(QString::fromStdString(address.ToString())); entry->findChild<BitcoinAmountField*>("payAmount")->setValue(amount); + sendCoinsDialog.findChild<QFrame*>("frameFee") + ->findChild<QFrame*>("frameFeeSelection") + ->findChild<QCheckBox*>("optInRBF") + ->setCheckState(rbf ? Qt::Checked : Qt::Unchecked); uint256 txid; boost::signals2::scoped_connection c(wallet.NotifyTransactionChanged.connect([&txid](CWallet*, const uint256& hash, ChangeType status) { if (status == CT_NEW) txid = hash; @@ -65,6 +89,42 @@ QModelIndex FindTx(const QAbstractItemModel& model, const uint256& txid) } return {}; } + +//! Request context menu (call method that is public in qt5, but protected in qt4). +void RequestContextMenu(QWidget* widget) +{ + class Qt4Hack : public QWidget + { + public: + using QWidget::customContextMenuRequested; + }; + static_cast<Qt4Hack*>(widget)->customContextMenuRequested({}); +} + +//! Invoke bumpfee on txid and check results. +void BumpFee(TransactionView& view, const uint256& txid, bool expectDisabled, std::string expectError, bool cancel) +{ + QTableView* table = view.findChild<QTableView*>("transactionView"); + QModelIndex index = FindTx(*table->selectionModel()->model(), txid); + QVERIFY2(index.isValid(), "Could not find BumpFee txid"); + + // Select row in table, invoke context menu, and make sure bumpfee action is + // enabled or disabled as expected. + QAction* action = view.findChild<QAction*>("bumpFeeAction"); + table->selectionModel()->select(index, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows); + action->setEnabled(expectDisabled); + RequestContextMenu(table); + QCOMPARE(action->isEnabled(), !expectDisabled); + + action->setEnabled(true); + QString text; + if (expectError.empty()) { + ConfirmSend(&text, cancel); + } else { + ConfirmMessage(&text); + } + action->trigger(); + QVERIFY(text.indexOf(QString::fromStdString(expectError)) != -1); } //! Simple qt wallet tests. @@ -80,11 +140,13 @@ QModelIndex FindTx(const QAbstractItemModel& model, const uint256& txid) // src/qt/test/test_bitcoin-qt -platform xcb # Linux // src/qt/test/test_bitcoin-qt -platform windows # Windows // src/qt/test/test_bitcoin-qt -platform cocoa # macOS -void WalletTests::walletTests() +void TestSendCoins() { - // Set up wallet and chain with 101 blocks (1 mature block for spending). + // Set up wallet and chain with 105 blocks (5 mature blocks for spending). TestChain100Setup test; - test.CreateAndProcessBlock({}, GetScriptForRawPubKey(test.coinbaseKey.GetPubKey())); + for (int i = 0; i < 5; ++i) { + test.CreateAndProcessBlock({}, GetScriptForRawPubKey(test.coinbaseKey.GetPubKey())); + } bitdb.MakeMock(); std::unique_ptr<CWalletDBWrapper> dbw(new CWalletDBWrapper(&bitdb, "wallet_test.dat")); CWallet wallet(std::move(dbw)); @@ -101,19 +163,34 @@ void WalletTests::walletTests() // Create widgets for sending coins and listing transactions. std::unique_ptr<const PlatformStyle> platformStyle(PlatformStyle::instantiate("other")); SendCoinsDialog sendCoinsDialog(platformStyle.get()); + TransactionView transactionView(platformStyle.get()); OptionsModel optionsModel; WalletModel walletModel(platformStyle.get(), &wallet, &optionsModel); sendCoinsDialog.setModel(&walletModel); + transactionView.setModel(&walletModel); // Send two transactions, and verify they are added to transaction list. TransactionTableModel* transactionTableModel = walletModel.getTransactionTableModel(); - QCOMPARE(transactionTableModel->rowCount({}), 101); - uint256 txid1 = SendCoins(wallet, sendCoinsDialog, CBitcoinAddress(CKeyID()), 5 * COIN); - uint256 txid2 = SendCoins(wallet, sendCoinsDialog, CBitcoinAddress(CKeyID()), 10 * COIN); - QCOMPARE(transactionTableModel->rowCount({}), 103); + QCOMPARE(transactionTableModel->rowCount({}), 105); + uint256 txid1 = SendCoins(wallet, sendCoinsDialog, CBitcoinAddress(CKeyID()), 5 * COIN, false /* rbf */); + uint256 txid2 = SendCoins(wallet, sendCoinsDialog, CBitcoinAddress(CKeyID()), 10 * COIN, true /* rbf */); + QCOMPARE(transactionTableModel->rowCount({}), 107); QVERIFY(FindTx(*transactionTableModel, txid1).isValid()); QVERIFY(FindTx(*transactionTableModel, txid2).isValid()); + // Call bumpfee. Test disabled, canceled, enabled, then failing cases. + BumpFee(transactionView, txid1, true /* expect disabled */, "not BIP 125 replaceable" /* expected error */, false /* cancel */); + BumpFee(transactionView, txid2, false /* expect disabled */, {} /* expected error */, true /* cancel */); + BumpFee(transactionView, txid2, false /* expect disabled */, {} /* expected error */, false /* cancel */); + BumpFee(transactionView, txid2, true /* expect disabled */, "already bumped" /* expected error */, false /* cancel */); + bitdb.Flush(true); bitdb.Reset(); } + +} + +void WalletTests::walletTests() +{ + TestSendCoins(); +} diff --git a/src/qt/transactiondesc.cpp b/src/qt/transactiondesc.cpp index d81188895b..233fc08772 100644 --- a/src/qt/transactiondesc.cpp +++ b/src/qt/transactiondesc.cpp @@ -293,13 +293,12 @@ QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx, TransactionReco { COutPoint prevout = txin.prevout; - CCoins prev; - if(pcoinsTip->GetCoins(prevout.hash, prev)) + Coin prev; + if(pcoinsTip->GetCoin(prevout, prev)) { - if (prevout.n < prev.vout.size()) { strHTML += "<li>"; - const CTxOut &vout = prev.vout[prevout.n]; + const CTxOut &vout = prev.out; CTxDestination address; if (ExtractDestination(vout.scriptPubKey, address)) { diff --git a/src/qt/transactionrecord.cpp b/src/qt/transactionrecord.cpp index 4bb260aa58..0090b0c74b 100644 --- a/src/qt/transactionrecord.cpp +++ b/src/qt/transactionrecord.cpp @@ -246,13 +246,13 @@ void TransactionRecord::updateStatus(const CWalletTx &wtx) status.status = TransactionStatus::Confirmed; } } - + status.needsUpdate = false; } bool TransactionRecord::statusUpdateNeeded() { AssertLockHeld(cs_main); - return status.cur_num_blocks != chainActive.Height(); + return status.cur_num_blocks != chainActive.Height() || status.needsUpdate; } QString TransactionRecord::getTxID() const diff --git a/src/qt/transactionrecord.h b/src/qt/transactionrecord.h index 5aabbbffa8..59f681224f 100644 --- a/src/qt/transactionrecord.h +++ b/src/qt/transactionrecord.h @@ -61,6 +61,8 @@ public: /** Current number of blocks (to know whether cached status is still valid) */ int cur_num_blocks; + + bool needsUpdate; }; /** UI model for a transaction. A core transaction can be represented by multiple UI transactions if it has diff --git a/src/qt/transactiontablemodel.cpp b/src/qt/transactiontablemodel.cpp index 61466c8ed1..f27abc2104 100644 --- a/src/qt/transactiontablemodel.cpp +++ b/src/qt/transactiontablemodel.cpp @@ -168,6 +168,10 @@ public: case CT_UPDATED: // Miscellaneous updates -- nothing to do, status update will take care of this, and is only computed for // visible transactions. + for (int i = lowerIndex; i < upperIndex; i++) { + TransactionRecord *rec = &cachedWallet[i]; + rec->status.needsUpdate = true; + } break; } } diff --git a/src/qt/transactionview.cpp b/src/qt/transactionview.cpp index 9008c81634..e3e070b27f 100644 --- a/src/qt/transactionview.cpp +++ b/src/qt/transactionview.cpp @@ -136,10 +136,12 @@ TransactionView::TransactionView(const PlatformStyle *platformStyle, QWidget *pa view->installEventFilter(this); transactionView = view; + transactionView->setObjectName("transactionView"); // Actions abandonAction = new QAction(tr("Abandon transaction"), this); bumpFeeAction = new QAction(tr("Increase transaction fee"), this); + bumpFeeAction->setObjectName("bumpFeeAction"); QAction *copyAddressAction = new QAction(tr("Copy address"), this); QAction *copyLabelAction = new QAction(tr("Copy label"), this); QAction *copyAmountAction = new QAction(tr("Copy amount"), this); @@ -150,6 +152,7 @@ TransactionView::TransactionView(const PlatformStyle *platformStyle, QWidget *pa QAction *showDetailsAction = new QAction(tr("Show transaction details"), this); contextMenu = new QMenu(this); + contextMenu->setObjectName("contextMenu"); contextMenu->addAction(copyAddressAction); contextMenu->addAction(copyLabelAction); contextMenu->addAction(copyAmountAction); @@ -376,11 +379,11 @@ void TransactionView::contextualMenu(const QPoint &point) uint256 hash; hash.SetHex(selection.at(0).data(TransactionTableModel::TxHashRole).toString().toStdString()); abandonAction->setEnabled(model->transactionCanBeAbandoned(hash)); - bumpFeeAction->setEnabled(model->transactionSignalsRBF(hash)); + bumpFeeAction->setEnabled(model->transactionCanBeBumped(hash)); if(index.isValid()) { - contextMenu->exec(QCursor::pos()); + contextMenu->popup(transactionView->viewport()->mapToGlobal(point)); } } @@ -416,7 +419,7 @@ void TransactionView::bumpFee() // Bump tx fee over the walletModel if (model->bumpFee(hash)) { // Update the table - model->getTransactionTableModel()->updateTransaction(hashQStr, CT_UPDATED, false); + model->getTransactionTableModel()->updateTransaction(hashQStr, CT_UPDATED, true); } } diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp index 37af8abb38..8df0e481bd 100644 --- a/src/qt/walletmodel.cpp +++ b/src/qt/walletmodel.cpp @@ -68,14 +68,7 @@ CAmount WalletModel::getBalance(const CCoinControl *coinControl) const { if (coinControl) { - CAmount nBalance = 0; - std::vector<COutput> vCoins; - wallet->AvailableCoins(vCoins, true, coinControl); - BOOST_FOREACH(const COutput& out, vCoins) - if(out.fSpendable) - nBalance += out.tx->tx->vout[out.i].nValue; - - return nBalance; + return wallet->GetAvailableBalance(coinControl); } return wallet->GetBalance(); @@ -600,38 +593,11 @@ bool WalletModel::isSpent(const COutPoint& outpoint) const // AvailableCoins + LockedCoins grouped by wallet address (put change in one group with wallet address) void WalletModel::listCoins(std::map<QString, std::vector<COutput> >& mapCoins) const { - std::vector<COutput> vCoins; - wallet->AvailableCoins(vCoins); - - LOCK2(cs_main, wallet->cs_wallet); // ListLockedCoins, mapWallet - std::vector<COutPoint> vLockedCoins; - wallet->ListLockedCoins(vLockedCoins); - - // add locked coins - BOOST_FOREACH(const COutPoint& outpoint, vLockedCoins) - { - if (!wallet->mapWallet.count(outpoint.hash)) continue; - int nDepth = wallet->mapWallet[outpoint.hash].GetDepthInMainChain(); - if (nDepth < 0) continue; - COutput out(&wallet->mapWallet[outpoint.hash], outpoint.n, nDepth, true /* spendable */, true /* solvable */, true /* safe */); - if (outpoint.n < out.tx->tx->vout.size() && wallet->IsMine(out.tx->tx->vout[outpoint.n]) == ISMINE_SPENDABLE) - vCoins.push_back(out); - } - - BOOST_FOREACH(const COutput& out, vCoins) - { - COutput cout = out; - - while (wallet->IsChange(cout.tx->tx->vout[cout.i]) && cout.tx->tx->vin.size() > 0 && wallet->IsMine(cout.tx->tx->vin[0])) - { - if (!wallet->mapWallet.count(cout.tx->tx->vin[0].prevout.hash)) break; - cout = COutput(&wallet->mapWallet[cout.tx->tx->vin[0].prevout.hash], cout.tx->tx->vin[0].prevout.n, 0 /* depth */, true /* spendable */, true /* solvable */, true /* safe */); + for (auto& group : wallet->ListCoins()) { + auto& resultGroup = mapCoins[QString::fromStdString(CBitcoinAddress(group.first).ToString())]; + for (auto& coin : group.second) { + resultGroup.emplace_back(std::move(coin)); } - - CTxDestination address; - if(!out.fSpendable || !ExtractDestination(cout.tx->tx->vout[cout.i].scriptPubKey, address)) - continue; - mapCoins[QString::fromStdString(CBitcoinAddress(address).ToString())].push_back(out); } } @@ -661,11 +627,7 @@ void WalletModel::listLockedCoins(std::vector<COutPoint>& vOutpts) void WalletModel::loadReceiveRequests(std::vector<std::string>& vReceiveRequests) { - LOCK(wallet->cs_wallet); - BOOST_FOREACH(const PAIRTYPE(CTxDestination, CAddressBookData)& item, wallet->mapAddressBook) - BOOST_FOREACH(const PAIRTYPE(std::string, std::string)& item2, item.second.destdata) - if (item2.first.size() > 2 && item2.first.substr(0,2) == "rr") // receive request - vReceiveRequests.push_back(item2.second); + vReceiveRequests = wallet->GetDestValues("rr"); // receive request } bool WalletModel::saveReceiveRequest(const std::string &sAddress, const int64_t nId, const std::string &sRequest) @@ -685,11 +647,7 @@ bool WalletModel::saveReceiveRequest(const std::string &sAddress, const int64_t bool WalletModel::transactionCanBeAbandoned(uint256 hash) const { - LOCK2(cs_main, wallet->cs_wallet); - const CWalletTx *wtx = wallet->GetWalletTx(hash); - if (!wtx || wtx->isAbandoned() || wtx->GetDepthInMainChain() > 0 || wtx->InMempool()) - return false; - return true; + return wallet->TransactionCanBeAbandoned(hash); } bool WalletModel::abandonTransaction(uint256 hash) const @@ -698,13 +656,11 @@ bool WalletModel::abandonTransaction(uint256 hash) const return wallet->AbandonTransaction(hash); } -bool WalletModel::transactionSignalsRBF(uint256 hash) const +bool WalletModel::transactionCanBeBumped(uint256 hash) const { LOCK2(cs_main, wallet->cs_wallet); const CWalletTx *wtx = wallet->GetWalletTx(hash); - if (wtx && SignalsOptInRBF(*wtx)) - return true; - return false; + return wtx && SignalsOptInRBF(*wtx) && !wtx->mapValue.count("replaced_by_txid"); } bool WalletModel::bumpFee(uint256 hash) diff --git a/src/qt/walletmodel.h b/src/qt/walletmodel.h index df5acaf684..16b0caed4e 100644 --- a/src/qt/walletmodel.h +++ b/src/qt/walletmodel.h @@ -207,7 +207,7 @@ public: bool transactionCanBeAbandoned(uint256 hash) const; bool abandonTransaction(uint256 hash) const; - bool transactionSignalsRBF(uint256 hash) const; + bool transactionCanBeBumped(uint256 hash) const; bool bumpFee(uint256 hash); static bool isWalletEnabled(); diff --git a/src/random.cpp b/src/random.cpp index 3b9df3edaa..de7553c825 100644 --- a/src/random.cpp +++ b/src/random.cpp @@ -203,10 +203,43 @@ void GetRandBytes(unsigned char* buf, int num) } } +static void AddDataToRng(void* data, size_t len); + +void RandAddSeedSleep() +{ + int64_t nPerfCounter1 = GetPerformanceCounter(); + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + int64_t nPerfCounter2 = GetPerformanceCounter(); + + // Combine with and update state + AddDataToRng(&nPerfCounter1, sizeof(nPerfCounter1)); + AddDataToRng(&nPerfCounter2, sizeof(nPerfCounter2)); + + memory_cleanse(&nPerfCounter1, sizeof(nPerfCounter1)); + memory_cleanse(&nPerfCounter2, sizeof(nPerfCounter2)); +} + + static std::mutex cs_rng_state; static unsigned char rng_state[32] = {0}; static uint64_t rng_counter = 0; +static void AddDataToRng(void* data, size_t len) { + CSHA512 hasher; + hasher.Write((const unsigned char*)&len, sizeof(len)); + hasher.Write((const unsigned char*)data, len); + unsigned char buf[64]; + { + std::unique_lock<std::mutex> lock(cs_rng_state); + hasher.Write(rng_state, sizeof(rng_state)); + hasher.Write((const unsigned char*)&rng_counter, sizeof(rng_counter)); + ++rng_counter; + hasher.Finalize(buf); + memcpy(rng_state, buf + 32, 32); + } + memory_cleanse(buf, 64); +} + void GetStrongRandBytes(unsigned char* out, int num) { assert(num <= 32); diff --git a/src/random.h b/src/random.h index 9551e1c461..6a63d57429 100644 --- a/src/random.h +++ b/src/random.h @@ -24,6 +24,13 @@ int GetRandInt(int nMax); uint256 GetRandHash(); /** + * Add a little bit of randomness to the output of GetStrongRangBytes. + * This sleeps for a millisecond, so should only be called when there is + * no other work to be done. + */ +void RandAddSeedSleep(); + +/** * Function to gather random data from multiple sources, failing whenever any * of those source fail to provide a result. */ diff --git a/src/rest.cpp b/src/rest.cpp index 7537ed4502..b08d7153b1 100644 --- a/src/rest.cpp +++ b/src/rest.cpp @@ -42,16 +42,19 @@ static const struct { }; struct CCoin { - uint32_t nTxVer; // Don't call this nVersion, that name has a special meaning inside IMPLEMENT_SERIALIZE uint32_t nHeight; CTxOut out; ADD_SERIALIZE_METHODS; + CCoin() : nHeight(0) {} + CCoin(Coin&& in) : nHeight(in.nHeight), out(std::move(in.out)) {} + template <typename Stream, typename Operation> inline void SerializationOp(Stream& s, Operation ser_action) { - READWRITE(nTxVer); + uint32_t nTxVerDummy = 0; + READWRITE(nTxVerDummy); READWRITE(nHeight); READWRITE(out); } @@ -509,22 +512,11 @@ static bool rest_getutxos(HTTPRequest* req, const std::string& strURIPart) view.SetBackend(viewMempool); // switch cache backend to db+mempool in case user likes to query mempool for (size_t i = 0; i < vOutPoints.size(); i++) { - CCoins coins; - uint256 hash = vOutPoints[i].hash; bool hit = false; - if (view.GetCoins(hash, coins)) { - mempool.pruneSpent(hash, coins); - if (coins.IsAvailable(vOutPoints[i].n)) { - hit = true; - // Safe to index into vout here because IsAvailable checked if it's off the end of the array, or if - // n is valid but points to an already spent output (IsNull). - CCoin coin; - coin.nTxVer = coins.nVersion; - coin.nHeight = coins.nHeight; - coin.out = coins.vout.at(vOutPoints[i].n); - assert(!coin.out.IsNull()); - outs.push_back(coin); - } + Coin coin; + if (view.GetCoin(vOutPoints[i], coin) && !mempool.isSpent(vOutPoints[i])) { + hit = true; + outs.emplace_back(std::move(coin)); } hits.push_back(hit); @@ -568,7 +560,6 @@ static bool rest_getutxos(HTTPRequest* req, const std::string& strURIPart) UniValue utxos(UniValue::VARR); BOOST_FOREACH (const CCoin& coin, outs) { UniValue utxo(UniValue::VOBJ); - utxo.push_back(Pair("txvers", (int32_t)coin.nTxVer)); utxo.push_back(Pair("height", (int32_t)coin.nHeight)); utxo.push_back(Pair("value", ValueFromAmount(coin.out.nValue))); diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp index 9d72a23e6d..96871ce1dc 100644 --- a/src/rpc/blockchain.cpp +++ b/src/rpc/blockchain.cpp @@ -187,7 +187,7 @@ void RPCNotifyBlockChange(bool ibd, const CBlockIndex * pindex) latestblock.hash = pindex->GetBlockHash(); latestblock.height = pindex->nHeight; } - cond_blockchange.notify_all(); + cond_blockchange.notify_all(); } UniValue waitfornewblock(const JSONRPCRequest& request) @@ -781,13 +781,29 @@ struct CCoinsStats uint256 hashBlock; uint64_t nTransactions; uint64_t nTransactionOutputs; - uint64_t nSerializedSize; uint256 hashSerialized; + uint64_t nDiskSize; CAmount nTotalAmount; - CCoinsStats() : nHeight(0), nTransactions(0), nTransactionOutputs(0), nSerializedSize(0), nTotalAmount(0) {} + CCoinsStats() : nHeight(0), nTransactions(0), nTransactionOutputs(0), nTotalAmount(0) {} }; +static void ApplyStats(CCoinsStats &stats, CHashWriter& ss, const uint256& hash, const std::map<uint32_t, Coin>& outputs) +{ + assert(!outputs.empty()); + ss << hash; + ss << VARINT(outputs.begin()->second.nHeight * 2 + outputs.begin()->second.fCoinBase); + stats.nTransactions++; + for (const auto output : outputs) { + ss << VARINT(output.first + 1); + ss << *(const CScriptBase*)(&output.second.out.scriptPubKey); + ss << VARINT(output.second.out.nValue); + stats.nTransactionOutputs++; + stats.nTotalAmount += output.second.out.nValue; + } + ss << VARINT(0); +} + //! Calculate statistics about the unspent transaction output set static bool GetUTXOStats(CCoinsView *view, CCoinsStats &stats) { @@ -800,32 +816,29 @@ static bool GetUTXOStats(CCoinsView *view, CCoinsStats &stats) stats.nHeight = mapBlockIndex.find(stats.hashBlock)->second->nHeight; } ss << stats.hashBlock; - CAmount nTotalAmount = 0; + uint256 prevkey; + std::map<uint32_t, Coin> outputs; while (pcursor->Valid()) { boost::this_thread::interruption_point(); - uint256 key; - CCoins coins; - if (pcursor->GetKey(key) && pcursor->GetValue(coins)) { - stats.nTransactions++; - ss << key; - for (unsigned int i=0; i<coins.vout.size(); i++) { - const CTxOut &out = coins.vout[i]; - if (!out.IsNull()) { - stats.nTransactionOutputs++; - ss << VARINT(i+1); - ss << out; - nTotalAmount += out.nValue; - } + COutPoint key; + Coin coin; + if (pcursor->GetKey(key) && pcursor->GetValue(coin)) { + if (!outputs.empty() && key.hash != prevkey) { + ApplyStats(stats, ss, prevkey, outputs); + outputs.clear(); } - stats.nSerializedSize += 32 + pcursor->GetValueSize(); - ss << VARINT(0); + prevkey = key.hash; + outputs[key.n] = std::move(coin); } else { return error("%s: unable to read value", __func__); } pcursor->Next(); } + if (!outputs.empty()) { + ApplyStats(stats, ss, prevkey, outputs); + } stats.hashSerialized = ss.GetHash(); - stats.nTotalAmount = nTotalAmount; + stats.nDiskSize = view->EstimateSize(); return true; } @@ -891,8 +904,8 @@ UniValue gettxoutsetinfo(const JSONRPCRequest& request) " \"bestblock\": \"hex\", (string) the best block hash hex\n" " \"transactions\": n, (numeric) The number of transactions\n" " \"txouts\": n, (numeric) The number of output transactions\n" - " \"bytes_serialized\": n, (numeric) The serialized size\n" " \"hash_serialized\": \"hash\", (string) The serialized hash\n" + " \"disk_size\": n, (numeric) The estimated size of the chainstate on disk\n" " \"total_amount\": x.xxx (numeric) The total amount\n" "}\n" "\nExamples:\n" @@ -909,8 +922,8 @@ UniValue gettxoutsetinfo(const JSONRPCRequest& request) ret.push_back(Pair("bestblock", stats.hashBlock.GetHex())); ret.push_back(Pair("transactions", (int64_t)stats.nTransactions)); ret.push_back(Pair("txouts", (int64_t)stats.nTransactionOutputs)); - ret.push_back(Pair("bytes_serialized", (int64_t)stats.nSerializedSize)); - ret.push_back(Pair("hash_serialized", stats.hashSerialized.GetHex())); + ret.push_back(Pair("hash_serialized_2", stats.hashSerialized.GetHex())); + ret.push_back(Pair("disk_size", stats.nDiskSize)); ret.push_back(Pair("total_amount", ValueFromAmount(stats.nTotalAmount))); } else { throw JSONRPCError(RPC_INTERNAL_ERROR, "Unable to read UTXO set"); @@ -963,37 +976,37 @@ UniValue gettxout(const JSONRPCRequest& request) std::string strHash = request.params[0].get_str(); uint256 hash(uint256S(strHash)); int n = request.params[1].get_int(); + COutPoint out(hash, n); bool fMempool = true; if (request.params.size() > 2) fMempool = request.params[2].get_bool(); - CCoins coins; + Coin coin; if (fMempool) { LOCK(mempool.cs); CCoinsViewMemPool view(pcoinsTip, mempool); - if (!view.GetCoins(hash, coins)) + if (!view.GetCoin(out, coin) || mempool.isSpent(out)) { // TODO: filtering spent coins should be done by the CCoinsViewMemPool return NullUniValue; - mempool.pruneSpent(hash, coins); // TODO: this should be done by the CCoinsViewMemPool + } } else { - if (!pcoinsTip->GetCoins(hash, coins)) + if (!pcoinsTip->GetCoin(out, coin)) { return NullUniValue; + } } - if (n<0 || (unsigned int)n>=coins.vout.size() || coins.vout[n].IsNull()) - return NullUniValue; BlockMap::iterator it = mapBlockIndex.find(pcoinsTip->GetBestBlock()); CBlockIndex *pindex = it->second; ret.push_back(Pair("bestblock", pindex->GetBlockHash().GetHex())); - if ((unsigned int)coins.nHeight == MEMPOOL_HEIGHT) + if (coin.nHeight == MEMPOOL_HEIGHT) { ret.push_back(Pair("confirmations", 0)); - else - ret.push_back(Pair("confirmations", pindex->nHeight - coins.nHeight + 1)); - ret.push_back(Pair("value", ValueFromAmount(coins.vout[n].nValue))); + } else { + ret.push_back(Pair("confirmations", (int64_t)(pindex->nHeight - coin.nHeight + 1))); + } + ret.push_back(Pair("value", ValueFromAmount(coin.out.nValue))); UniValue o(UniValue::VOBJ); - ScriptPubKeyToUniv(coins.vout[n].scriptPubKey, o, true); + ScriptPubKeyToUniv(coin.out.scriptPubKey, o, true); ret.push_back(Pair("scriptPubKey", o)); - ret.push_back(Pair("version", coins.nVersion)); - ret.push_back(Pair("coinbase", coins.fCoinBase)); + ret.push_back(Pair("coinbase", (bool)coin.fCoinBase)); return ret; } @@ -1074,6 +1087,17 @@ static UniValue BIP9SoftForkDesc(const Consensus::Params& consensusParams, Conse rv.push_back(Pair("startTime", consensusParams.vDeployments[id].nStartTime)); rv.push_back(Pair("timeout", consensusParams.vDeployments[id].nTimeout)); rv.push_back(Pair("since", VersionBitsTipStateSinceHeight(consensusParams, id))); + if (THRESHOLD_STARTED == thresholdState) + { + UniValue statsUV(UniValue::VOBJ); + BIP9Stats statsStruct = VersionBitsTipStatistics(consensusParams, id); + statsUV.push_back(Pair("period", statsStruct.period)); + statsUV.push_back(Pair("threshold", statsStruct.threshold)); + statsUV.push_back(Pair("elapsed", statsStruct.elapsed)); + statsUV.push_back(Pair("count", statsStruct.count)); + statsUV.push_back(Pair("possible", statsStruct.possible)); + rv.push_back(Pair("statistics", statsUV)); + } return rv; } @@ -1119,7 +1143,14 @@ UniValue getblockchaininfo(const JSONRPCRequest& request) " \"bit\": xx, (numeric) the bit (0-28) in the block version field used to signal this softfork (only for \"started\" status)\n" " \"startTime\": xx, (numeric) the minimum median time past of a block at which the bit gains its meaning\n" " \"timeout\": xx, (numeric) the median time past of a block at which the deployment is considered failed if not yet locked in\n" - " \"since\": xx (numeric) height of the first block to which the status applies\n" + " \"since\": xx, (numeric) height of the first block to which the status applies\n" + " \"statistics\": { (object) numeric statistics about BIP9 signalling for a softfork (only for \"started\" status)\n" + " \"period\": xx, (numeric) the length in blocks of the BIP9 signalling period \n" + " \"threshold\": xx, (numeric) the number of blocks with the version bit set required to activate the feature \n" + " \"elapsed\": xx, (numeric) the number of blocks elapsed since the beginning of the current period \n" + " \"count\": xx, (numeric) the number of blocks with the version bit set in the current period \n" + " \"possible\": xx (boolean) returns false if there are not enough blocks left in this period to pass activation threshold \n" + " }\n" " }\n" " }\n" "}\n" @@ -1307,7 +1338,7 @@ UniValue getmempoolinfo(const JSONRPCRequest& request) " \"bytes\": xxxxx, (numeric) Sum of all virtual transaction sizes as defined in BIP 141. Differs from actual serialized size because witness data is discounted\n" " \"usage\": xxxxx, (numeric) Total memory usage for the mempool\n" " \"maxmempool\": xxxxx, (numeric) Maximum memory usage for the mempool\n" - " \"mempoolminfee\": xxxxx (numeric) Minimum fee for tx to be accepted\n" + " \"mempoolminfee\": xxxxx (numeric) Minimum feerate (" + CURRENCY_UNIT + " per KB) for tx to be accepted\n" "}\n" "\nExamples:\n" + HelpExampleCli("getmempoolinfo", "") diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp index 683bb25246..e27c2a77c7 100644 --- a/src/rpc/rawtransaction.cpp +++ b/src/rpc/rawtransaction.cpp @@ -219,9 +219,10 @@ UniValue gettxoutproof(const JSONRPCRequest& request) throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found"); pblockindex = mapBlockIndex[hashBlock]; } else { - CCoins coins; - if (pcoinsTip->GetCoins(oneTxid, coins) && coins.nHeight > 0 && coins.nHeight <= chainActive.Height()) - pblockindex = chainActive[coins.nHeight]; + const Coin& coin = AccessByTxid(*pcoinsTip, oneTxid); + if (!coin.IsSpent() && coin.nHeight > 0 && coin.nHeight <= chainActive.Height()) { + pblockindex = chainActive[coin.nHeight]; + } } if (pblockindex == NULL) @@ -637,9 +638,7 @@ UniValue signrawtransaction(const JSONRPCRequest& request) view.SetBackend(viewMempool); // temporarily switch cache backend to db+mempool view BOOST_FOREACH(const CTxIn& txin, mergedTx.vin) { - const uint256& prevHash = txin.prevout.hash; - CCoins coins; - view.AccessCoins(prevHash); // this is certainly allowed to fail + view.AccessCoin(txin.prevout); // Load entries from viewChain into view; can fail. } view.SetBackend(viewDummy); // switch back to avoid locking mempool for too long @@ -691,24 +690,26 @@ UniValue signrawtransaction(const JSONRPCRequest& request) if (nOut < 0) throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "vout must be positive"); + COutPoint out(txid, nOut); std::vector<unsigned char> pkData(ParseHexO(prevOut, "scriptPubKey")); CScript scriptPubKey(pkData.begin(), pkData.end()); { - CCoinsModifier coins = view.ModifyCoins(txid); - if (coins->IsAvailable(nOut) && coins->vout[nOut].scriptPubKey != scriptPubKey) { + const Coin& coin = view.AccessCoin(out); + if (!coin.IsSpent() && coin.out.scriptPubKey != scriptPubKey) { std::string err("Previous output scriptPubKey mismatch:\n"); - err = err + ScriptToAsmStr(coins->vout[nOut].scriptPubKey) + "\nvs:\n"+ + err = err + ScriptToAsmStr(coin.out.scriptPubKey) + "\nvs:\n"+ ScriptToAsmStr(scriptPubKey); throw JSONRPCError(RPC_DESERIALIZATION_ERROR, err); } - if ((unsigned int)nOut >= coins->vout.size()) - coins->vout.resize(nOut+1); - coins->vout[nOut].scriptPubKey = scriptPubKey; - coins->vout[nOut].nValue = 0; + Coin newcoin; + newcoin.out.scriptPubKey = scriptPubKey; + newcoin.out.nValue = 0; if (prevOut.exists("amount")) { - coins->vout[nOut].nValue = AmountFromValue(find_value(prevOut, "amount")); + newcoin.out.nValue = AmountFromValue(find_value(prevOut, "amount")); } + newcoin.nHeight = 1; + view.AddCoin(out, std::move(newcoin), true); } // if redeemScript given and not using the local wallet (private keys @@ -766,13 +767,13 @@ UniValue signrawtransaction(const JSONRPCRequest& request) // Sign what we can: for (unsigned int i = 0; i < mergedTx.vin.size(); i++) { CTxIn& txin = mergedTx.vin[i]; - const CCoins* coins = view.AccessCoins(txin.prevout.hash); - if (coins == NULL || !coins->IsAvailable(txin.prevout.n)) { + const Coin& coin = view.AccessCoin(txin.prevout); + if (coin.IsSpent()) { TxInErrorToJSON(txin, vErrors, "Input not found or already spent"); continue; } - const CScript& prevPubKey = coins->vout[txin.prevout.n].scriptPubKey; - const CAmount& amount = coins->vout[txin.prevout.n].nValue; + const CScript& prevPubKey = coin.out.scriptPubKey; + const CAmount& amount = coin.out.nValue; SignatureData sigdata; // Only sign SIGHASH_SINGLE if there's a corresponding output: @@ -844,9 +845,12 @@ UniValue sendrawtransaction(const JSONRPCRequest& request) nMaxRawTxFee = 0; CCoinsViewCache &view = *pcoinsTip; - const CCoins* existingCoins = view.AccessCoins(hashTx); + bool fHaveChain = false; + for (size_t o = 0; !fHaveChain && o < tx->vout.size(); o++) { + const Coin& existingCoin = view.AccessCoin(COutPoint(hashTx, o)); + fHaveChain = !existingCoin.IsSpent(); + } bool fHaveMempool = mempool.exists(hashTx); - bool fHaveChain = existingCoins && existingCoins->nHeight < 1000000000; if (!fHaveMempool && !fHaveChain) { // push to local node and sync with wallets CValidationState state; diff --git a/src/scheduler.cpp b/src/scheduler.cpp index 0c1cfa2718..923ba2c231 100644 --- a/src/scheduler.cpp +++ b/src/scheduler.cpp @@ -4,6 +4,7 @@ #include "scheduler.h" +#include "random.h" #include "reverselock.h" #include <assert.h> @@ -39,6 +40,11 @@ void CScheduler::serviceQueue() // is called. while (!shouldStop()) { try { + if (!shouldStop() && taskQueue.empty()) { + reverse_lock<boost::unique_lock<boost::mutex> > rlock(lock); + // Use this chance to get a tiny bit more entropy + RandAddSeedSleep(); + } while (!shouldStop() && taskQueue.empty()) { // Wait until there is something to do. newTaskScheduled.wait(lock); diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp index f4e5313a78..222cff59ea 100644 --- a/src/script/interpreter.cpp +++ b/src/script/interpreter.cpp @@ -1028,7 +1028,7 @@ bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& } // Size limits - if (stack.size() + altstack.size() > 1000) + if (stack.size() + altstack.size() > MAX_STACK_SIZE) return set_error(serror, SCRIPT_ERR_STACK_SIZE); } } @@ -1142,24 +1142,24 @@ public: uint256 GetPrevoutHash(const CTransaction& txTo) { CHashWriter ss(SER_GETHASH, 0); - for (unsigned int n = 0; n < txTo.vin.size(); n++) { - ss << txTo.vin[n].prevout; + for (const auto& txin : txTo.vin) { + ss << txin.prevout; } return ss.GetHash(); } uint256 GetSequenceHash(const CTransaction& txTo) { CHashWriter ss(SER_GETHASH, 0); - for (unsigned int n = 0; n < txTo.vin.size(); n++) { - ss << txTo.vin[n].nSequence; + for (const auto& txin : txTo.vin) { + ss << txin.nSequence; } return ss.GetHash(); } uint256 GetOutputsHash(const CTransaction& txTo) { CHashWriter ss(SER_GETHASH, 0); - for (unsigned int n = 0; n < txTo.vout.size(); n++) { - ss << txTo.vout[n]; + for (const auto& txout : txTo.vout) { + ss << txout; } return ss.GetHash(); } diff --git a/src/script/script.h b/src/script/script.h index d7aaa04f80..95a5999a13 100644 --- a/src/script/script.h +++ b/src/script/script.h @@ -30,6 +30,9 @@ static const int MAX_PUBKEYS_PER_MULTISIG = 20; // Maximum script length in bytes static const int MAX_SCRIPT_SIZE = 10000; +// Maximum number of values on script interpreter stack +static const int MAX_STACK_SIZE = 1000; + // Threshold for nLockTime: below this value it is interpreted as block number, // otherwise as UNIX timestamp. static const unsigned int LOCKTIME_THRESHOLD = 500000000; // Tue Nov 5 00:53:20 1985 UTC diff --git a/src/secp256k1/Makefile.am b/src/secp256k1/Makefile.am index e5657f7f31..c071fbe275 100644 --- a/src/secp256k1/Makefile.am +++ b/src/secp256k1/Makefile.am @@ -93,7 +93,10 @@ TESTS = if USE_TESTS noinst_PROGRAMS += tests tests_SOURCES = src/tests.c -tests_CPPFLAGS = -DSECP256K1_BUILD -DVERIFY -I$(top_srcdir)/src -I$(top_srcdir)/include $(SECP_INCLUDES) $(SECP_TEST_INCLUDES) +tests_CPPFLAGS = -DSECP256K1_BUILD -I$(top_srcdir)/src -I$(top_srcdir)/include $(SECP_INCLUDES) $(SECP_TEST_INCLUDES) +if !ENABLE_COVERAGE +tests_CPPFLAGS += -DVERIFY +endif tests_LDADD = $(SECP_LIBS) $(SECP_TEST_LIBS) $(COMMON_LIB) tests_LDFLAGS = -static TESTS += tests @@ -102,7 +105,10 @@ endif if USE_EXHAUSTIVE_TESTS noinst_PROGRAMS += exhaustive_tests exhaustive_tests_SOURCES = src/tests_exhaustive.c -exhaustive_tests_CPPFLAGS = -DSECP256K1_BUILD -DVERIFY -I$(top_srcdir)/src $(SECP_INCLUDES) +exhaustive_tests_CPPFLAGS = -DSECP256K1_BUILD -I$(top_srcdir)/src $(SECP_INCLUDES) +if !ENABLE_COVERAGE +exhaustive_tests_CPPFLAGS += -DVERIFY +endif exhaustive_tests_LDADD = $(SECP_LIBS) exhaustive_tests_LDFLAGS = -static TESTS += exhaustive_tests diff --git a/src/secp256k1/configure.ac b/src/secp256k1/configure.ac index ec50ffe3a2..e5fcbcb4ed 100644 --- a/src/secp256k1/configure.ac +++ b/src/secp256k1/configure.ac @@ -20,7 +20,7 @@ AC_PATH_TOOL(STRIP, strip) AX_PROG_CC_FOR_BUILD if test "x$CFLAGS" = "x"; then - CFLAGS="-O3 -g" + CFLAGS="-g" fi AM_PROG_CC_C_O @@ -89,6 +89,11 @@ AC_ARG_ENABLE(benchmark, [use_benchmark=$enableval], [use_benchmark=no]) +AC_ARG_ENABLE(coverage, + AS_HELP_STRING([--enable-coverage],[enable compiler flags to support kcov coverage analysis]), + [enable_coverage=$enableval], + [enable_coverage=no]) + AC_ARG_ENABLE(tests, AS_HELP_STRING([--enable-tests],[compile tests (default is yes)]), [use_tests=$enableval], @@ -154,6 +159,14 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[void myfunc() {__builtin_expect(0,0);}]])], [ AC_MSG_RESULT([no]) ]) +if test x"$enable_coverage" = x"yes"; then + AC_DEFINE(COVERAGE, 1, [Define this symbol to compile out all VERIFY code]) + CFLAGS="$CFLAGS -O0 --coverage" + LDFLAGS="--coverage" +else + CFLAGS="$CFLAGS -O3" +fi + if test x"$use_ecmult_static_precomputation" != x"no"; then save_cross_compiling=$cross_compiling cross_compiling=no @@ -434,6 +447,7 @@ AC_MSG_NOTICE([Using field implementation: $set_field]) AC_MSG_NOTICE([Using bignum implementation: $set_bignum]) AC_MSG_NOTICE([Using scalar implementation: $set_scalar]) AC_MSG_NOTICE([Using endomorphism optimizations: $use_endomorphism]) +AC_MSG_NOTICE([Building for coverage analysis: $enable_coverage]) AC_MSG_NOTICE([Building ECDH module: $enable_module_ecdh]) AC_MSG_NOTICE([Building ECDSA pubkey recovery module: $enable_module_recovery]) AC_MSG_NOTICE([Using jni: $use_jni]) @@ -460,6 +474,7 @@ AC_SUBST(SECP_INCLUDES) AC_SUBST(SECP_LIBS) AC_SUBST(SECP_TEST_LIBS) AC_SUBST(SECP_TEST_INCLUDES) +AM_CONDITIONAL([ENABLE_COVERAGE], [test x"$enable_coverage" = x"yes"]) AM_CONDITIONAL([USE_TESTS], [test x"$use_tests" != x"no"]) AM_CONDITIONAL([USE_EXHAUSTIVE_TESTS], [test x"$use_exhaustive_tests" != x"no"]) AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" = x"yes"]) diff --git a/src/secp256k1/include/secp256k1.h b/src/secp256k1/include/secp256k1.h index f268e309d0..fc4c5cefbb 100644 --- a/src/secp256k1/include/secp256k1.h +++ b/src/secp256k1/include/secp256k1.h @@ -163,6 +163,8 @@ typedef int (*secp256k1_nonce_function)( * * Returns: a newly created context object. * In: flags: which parts of the context to initialize. + * + * See also secp256k1_context_randomize. */ SECP256K1_API secp256k1_context* secp256k1_context_create( unsigned int flags @@ -485,6 +487,28 @@ SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_create( const unsigned char *seckey ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3); +/** Negates a private key in place. + * + * Returns: 1 always + * Args: ctx: pointer to a context object + * In/Out: pubkey: pointer to the public key to be negated (cannot be NULL) + */ +SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_privkey_negate( + const secp256k1_context* ctx, + unsigned char *seckey +) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2); + +/** Negates a public key in place. + * + * Returns: 1 always + * Args: ctx: pointer to a context object + * In/Out: pubkey: pointer to the public key to be negated (cannot be NULL) + */ +SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_negate( + const secp256k1_context* ctx, + secp256k1_pubkey *pubkey +) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2); + /** Tweak a private key by adding tweak to it. * Returns: 0 if the tweak was out of range (chance of around 1 in 2^128 for * uniformly random 32-byte arrays, or if the resulting private key @@ -543,11 +567,24 @@ SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_tweak_mul( const unsigned char *tweak ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3); -/** Updates the context randomization. +/** Updates the context randomization to protect against side-channel leakage. * Returns: 1: randomization successfully updated * 0: error * Args: ctx: pointer to a context object (cannot be NULL) * In: seed32: pointer to a 32-byte random seed (NULL resets to initial state) + * + * While secp256k1 code is written to be constant-time no matter what secret + * values are, it's possible that a future compiler may output code which isn't, + * and also that the CPU may not emit the same radio frequencies or draw the same + * amount power for all values. + * + * This function provides a seed which is combined into the blinding value: that + * blinding value is added before each multiplication (and removed afterwards) so + * that it does not affect function results, but shields against attacks which + * rely on any input-dependent behaviour. + * + * You should call this after secp256k1_context_create or + * secp256k1_context_clone, and may call this repeatedly afterwards. */ SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_context_randomize( secp256k1_context* ctx, diff --git a/src/secp256k1/src/bench.h b/src/secp256k1/src/bench.h index 3a71b4aafa..d67f08a426 100644 --- a/src/secp256k1/src/bench.h +++ b/src/secp256k1/src/bench.h @@ -23,7 +23,7 @@ void print_number(double x) { if (y < 0.0) { y = -y; } - while (y < 100.0) { + while (y > 0 && y < 100.0) { y *= 10.0; c++; } diff --git a/src/secp256k1/src/bench_schnorr_verify.c b/src/secp256k1/src/bench_schnorr_verify.c deleted file mode 100644 index 5f137dda23..0000000000 --- a/src/secp256k1/src/bench_schnorr_verify.c +++ /dev/null @@ -1,73 +0,0 @@ -/********************************************************************** - * Copyright (c) 2014 Pieter Wuille * - * Distributed under the MIT software license, see the accompanying * - * file COPYING or http://www.opensource.org/licenses/mit-license.php.* - **********************************************************************/ - -#include <stdio.h> -#include <string.h> - -#include "include/secp256k1.h" -#include "include/secp256k1_schnorr.h" -#include "util.h" -#include "bench.h" - -typedef struct { - unsigned char key[32]; - unsigned char sig[64]; - unsigned char pubkey[33]; - size_t pubkeylen; -} benchmark_schnorr_sig_t; - -typedef struct { - secp256k1_context *ctx; - unsigned char msg[32]; - benchmark_schnorr_sig_t sigs[64]; - int numsigs; -} benchmark_schnorr_verify_t; - -static void benchmark_schnorr_init(void* arg) { - int i, k; - benchmark_schnorr_verify_t* data = (benchmark_schnorr_verify_t*)arg; - - for (i = 0; i < 32; i++) { - data->msg[i] = 1 + i; - } - for (k = 0; k < data->numsigs; k++) { - secp256k1_pubkey pubkey; - for (i = 0; i < 32; i++) { - data->sigs[k].key[i] = 33 + i + k; - } - secp256k1_schnorr_sign(data->ctx, data->sigs[k].sig, data->msg, data->sigs[k].key, NULL, NULL); - data->sigs[k].pubkeylen = 33; - CHECK(secp256k1_ec_pubkey_create(data->ctx, &pubkey, data->sigs[k].key)); - CHECK(secp256k1_ec_pubkey_serialize(data->ctx, data->sigs[k].pubkey, &data->sigs[k].pubkeylen, &pubkey, SECP256K1_EC_COMPRESSED)); - } -} - -static void benchmark_schnorr_verify(void* arg) { - int i; - benchmark_schnorr_verify_t* data = (benchmark_schnorr_verify_t*)arg; - - for (i = 0; i < 20000 / data->numsigs; i++) { - secp256k1_pubkey pubkey; - data->sigs[0].sig[(i >> 8) % 64] ^= (i & 0xFF); - CHECK(secp256k1_ec_pubkey_parse(data->ctx, &pubkey, data->sigs[0].pubkey, data->sigs[0].pubkeylen)); - CHECK(secp256k1_schnorr_verify(data->ctx, data->sigs[0].sig, data->msg, &pubkey) == ((i & 0xFF) == 0)); - data->sigs[0].sig[(i >> 8) % 64] ^= (i & 0xFF); - } -} - - - -int main(void) { - benchmark_schnorr_verify_t data; - - data.ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY); - - data.numsigs = 1; - run_benchmark("schnorr_verify", benchmark_schnorr_verify, benchmark_schnorr_init, NULL, &data, 10, 20000); - - secp256k1_context_destroy(data.ctx); - return 0; -} diff --git a/src/secp256k1/src/ecdsa_impl.h b/src/secp256k1/src/ecdsa_impl.h index 9a42e519bd..453bb11880 100644 --- a/src/secp256k1/src/ecdsa_impl.h +++ b/src/secp256k1/src/ecdsa_impl.h @@ -225,14 +225,12 @@ static int secp256k1_ecdsa_sig_verify(const secp256k1_ecmult_context *ctx, const #if defined(EXHAUSTIVE_TEST_ORDER) { secp256k1_scalar computed_r; - int overflow = 0; secp256k1_ge pr_ge; secp256k1_ge_set_gej(&pr_ge, &pr); secp256k1_fe_normalize(&pr_ge.x); secp256k1_fe_get_b32(c, &pr_ge.x); - secp256k1_scalar_set_b32(&computed_r, c, &overflow); - /* we fully expect overflow */ + secp256k1_scalar_set_b32(&computed_r, c, NULL); return secp256k1_scalar_eq(sigr, &computed_r); } #else @@ -285,14 +283,10 @@ static int secp256k1_ecdsa_sig_sign(const secp256k1_ecmult_gen_context *ctx, sec secp256k1_fe_normalize(&r.y); secp256k1_fe_get_b32(b, &r.x); secp256k1_scalar_set_b32(sigr, b, &overflow); - if (secp256k1_scalar_is_zero(sigr)) { - /* P.x = order is on the curve, so technically sig->r could end up zero, which would be an invalid signature. - * This branch is cryptographically unreachable as hitting it requires finding the discrete log of P.x = N. - */ - secp256k1_gej_clear(&rp); - secp256k1_ge_clear(&r); - return 0; - } + /* These two conditions should be checked before calling */ + VERIFY_CHECK(!secp256k1_scalar_is_zero(sigr)); + VERIFY_CHECK(overflow == 0); + if (recid) { /* The overflow condition is cryptographically unreachable as hitting it requires finding the discrete log * of some P where P.x >= order, and only 1 in about 2^127 points meet this criteria. diff --git a/src/secp256k1/src/field_10x26_impl.h b/src/secp256k1/src/field_10x26_impl.h index 7b8c079608..234c13a644 100644 --- a/src/secp256k1/src/field_10x26_impl.h +++ b/src/secp256k1/src/field_10x26_impl.h @@ -38,10 +38,6 @@ static void secp256k1_fe_verify(const secp256k1_fe *a) { } VERIFY_CHECK(r == 1); } -#else -static void secp256k1_fe_verify(const secp256k1_fe *a) { - (void)a; -} #endif static void secp256k1_fe_normalize(secp256k1_fe *r) { @@ -325,17 +321,17 @@ static int secp256k1_fe_cmp_var(const secp256k1_fe *a, const secp256k1_fe *b) { } static int secp256k1_fe_set_b32(secp256k1_fe *r, const unsigned char *a) { - int i; - r->n[0] = r->n[1] = r->n[2] = r->n[3] = r->n[4] = 0; - r->n[5] = r->n[6] = r->n[7] = r->n[8] = r->n[9] = 0; - for (i=0; i<32; i++) { - int j; - for (j=0; j<4; j++) { - int limb = (8*i+2*j)/26; - int shift = (8*i+2*j)%26; - r->n[limb] |= (uint32_t)((a[31-i] >> (2*j)) & 0x3) << shift; - } - } + r->n[0] = (uint32_t)a[31] | ((uint32_t)a[30] << 8) | ((uint32_t)a[29] << 16) | ((uint32_t)(a[28] & 0x3) << 24); + r->n[1] = (uint32_t)((a[28] >> 2) & 0x3f) | ((uint32_t)a[27] << 6) | ((uint32_t)a[26] << 14) | ((uint32_t)(a[25] & 0xf) << 22); + r->n[2] = (uint32_t)((a[25] >> 4) & 0xf) | ((uint32_t)a[24] << 4) | ((uint32_t)a[23] << 12) | ((uint32_t)(a[22] & 0x3f) << 20); + r->n[3] = (uint32_t)((a[22] >> 6) & 0x3) | ((uint32_t)a[21] << 2) | ((uint32_t)a[20] << 10) | ((uint32_t)a[19] << 18); + r->n[4] = (uint32_t)a[18] | ((uint32_t)a[17] << 8) | ((uint32_t)a[16] << 16) | ((uint32_t)(a[15] & 0x3) << 24); + r->n[5] = (uint32_t)((a[15] >> 2) & 0x3f) | ((uint32_t)a[14] << 6) | ((uint32_t)a[13] << 14) | ((uint32_t)(a[12] & 0xf) << 22); + r->n[6] = (uint32_t)((a[12] >> 4) & 0xf) | ((uint32_t)a[11] << 4) | ((uint32_t)a[10] << 12) | ((uint32_t)(a[9] & 0x3f) << 20); + r->n[7] = (uint32_t)((a[9] >> 6) & 0x3) | ((uint32_t)a[8] << 2) | ((uint32_t)a[7] << 10) | ((uint32_t)a[6] << 18); + r->n[8] = (uint32_t)a[5] | ((uint32_t)a[4] << 8) | ((uint32_t)a[3] << 16) | ((uint32_t)(a[2] & 0x3) << 24); + r->n[9] = (uint32_t)((a[2] >> 2) & 0x3f) | ((uint32_t)a[1] << 6) | ((uint32_t)a[0] << 14); + if (r->n[9] == 0x3FFFFFUL && (r->n[8] & r->n[7] & r->n[6] & r->n[5] & r->n[4] & r->n[3] & r->n[2]) == 0x3FFFFFFUL && (r->n[1] + 0x40UL + ((r->n[0] + 0x3D1UL) >> 26)) > 0x3FFFFFFUL) { return 0; } @@ -349,21 +345,42 @@ static int secp256k1_fe_set_b32(secp256k1_fe *r, const unsigned char *a) { /** Convert a field element to a 32-byte big endian value. Requires the input to be normalized */ static void secp256k1_fe_get_b32(unsigned char *r, const secp256k1_fe *a) { - int i; #ifdef VERIFY VERIFY_CHECK(a->normalized); secp256k1_fe_verify(a); #endif - for (i=0; i<32; i++) { - int j; - int c = 0; - for (j=0; j<4; j++) { - int limb = (8*i+2*j)/26; - int shift = (8*i+2*j)%26; - c |= ((a->n[limb] >> shift) & 0x3) << (2 * j); - } - r[31-i] = c; - } + r[0] = (a->n[9] >> 14) & 0xff; + r[1] = (a->n[9] >> 6) & 0xff; + r[2] = ((a->n[9] & 0x3F) << 2) | ((a->n[8] >> 24) & 0x3); + r[3] = (a->n[8] >> 16) & 0xff; + r[4] = (a->n[8] >> 8) & 0xff; + r[5] = a->n[8] & 0xff; + r[6] = (a->n[7] >> 18) & 0xff; + r[7] = (a->n[7] >> 10) & 0xff; + r[8] = (a->n[7] >> 2) & 0xff; + r[9] = ((a->n[7] & 0x3) << 6) | ((a->n[6] >> 20) & 0x3f); + r[10] = (a->n[6] >> 12) & 0xff; + r[11] = (a->n[6] >> 4) & 0xff; + r[12] = ((a->n[6] & 0xf) << 4) | ((a->n[5] >> 22) & 0xf); + r[13] = (a->n[5] >> 14) & 0xff; + r[14] = (a->n[5] >> 6) & 0xff; + r[15] = ((a->n[5] & 0x3f) << 2) | ((a->n[4] >> 24) & 0x3); + r[16] = (a->n[4] >> 16) & 0xff; + r[17] = (a->n[4] >> 8) & 0xff; + r[18] = a->n[4] & 0xff; + r[19] = (a->n[3] >> 18) & 0xff; + r[20] = (a->n[3] >> 10) & 0xff; + r[21] = (a->n[3] >> 2) & 0xff; + r[22] = ((a->n[3] & 0x3) << 6) | ((a->n[2] >> 20) & 0x3f); + r[23] = (a->n[2] >> 12) & 0xff; + r[24] = (a->n[2] >> 4) & 0xff; + r[25] = ((a->n[2] & 0xf) << 4) | ((a->n[1] >> 22) & 0xf); + r[26] = (a->n[1] >> 14) & 0xff; + r[27] = (a->n[1] >> 6) & 0xff; + r[28] = ((a->n[1] & 0x3f) << 2) | ((a->n[0] >> 24) & 0x3); + r[29] = (a->n[0] >> 16) & 0xff; + r[30] = (a->n[0] >> 8) & 0xff; + r[31] = a->n[0] & 0xff; } SECP256K1_INLINE static void secp256k1_fe_negate(secp256k1_fe *r, const secp256k1_fe *a, int m) { diff --git a/src/secp256k1/src/field_5x52_impl.h b/src/secp256k1/src/field_5x52_impl.h index 7a99eb21ec..8e8b286baf 100644 --- a/src/secp256k1/src/field_5x52_impl.h +++ b/src/secp256k1/src/field_5x52_impl.h @@ -49,10 +49,6 @@ static void secp256k1_fe_verify(const secp256k1_fe *a) { } VERIFY_CHECK(r == 1); } -#else -static void secp256k1_fe_verify(const secp256k1_fe *a) { - (void)a; -} #endif static void secp256k1_fe_normalize(secp256k1_fe *r) { @@ -288,16 +284,40 @@ static int secp256k1_fe_cmp_var(const secp256k1_fe *a, const secp256k1_fe *b) { } static int secp256k1_fe_set_b32(secp256k1_fe *r, const unsigned char *a) { - int i; - r->n[0] = r->n[1] = r->n[2] = r->n[3] = r->n[4] = 0; - for (i=0; i<32; i++) { - int j; - for (j=0; j<2; j++) { - int limb = (8*i+4*j)/52; - int shift = (8*i+4*j)%52; - r->n[limb] |= (uint64_t)((a[31-i] >> (4*j)) & 0xF) << shift; - } - } + r->n[0] = (uint64_t)a[31] + | ((uint64_t)a[30] << 8) + | ((uint64_t)a[29] << 16) + | ((uint64_t)a[28] << 24) + | ((uint64_t)a[27] << 32) + | ((uint64_t)a[26] << 40) + | ((uint64_t)(a[25] & 0xF) << 48); + r->n[1] = (uint64_t)((a[25] >> 4) & 0xF) + | ((uint64_t)a[24] << 4) + | ((uint64_t)a[23] << 12) + | ((uint64_t)a[22] << 20) + | ((uint64_t)a[21] << 28) + | ((uint64_t)a[20] << 36) + | ((uint64_t)a[19] << 44); + r->n[2] = (uint64_t)a[18] + | ((uint64_t)a[17] << 8) + | ((uint64_t)a[16] << 16) + | ((uint64_t)a[15] << 24) + | ((uint64_t)a[14] << 32) + | ((uint64_t)a[13] << 40) + | ((uint64_t)(a[12] & 0xF) << 48); + r->n[3] = (uint64_t)((a[12] >> 4) & 0xF) + | ((uint64_t)a[11] << 4) + | ((uint64_t)a[10] << 12) + | ((uint64_t)a[9] << 20) + | ((uint64_t)a[8] << 28) + | ((uint64_t)a[7] << 36) + | ((uint64_t)a[6] << 44); + r->n[4] = (uint64_t)a[5] + | ((uint64_t)a[4] << 8) + | ((uint64_t)a[3] << 16) + | ((uint64_t)a[2] << 24) + | ((uint64_t)a[1] << 32) + | ((uint64_t)a[0] << 40); if (r->n[4] == 0x0FFFFFFFFFFFFULL && (r->n[3] & r->n[2] & r->n[1]) == 0xFFFFFFFFFFFFFULL && r->n[0] >= 0xFFFFEFFFFFC2FULL) { return 0; } @@ -311,21 +331,42 @@ static int secp256k1_fe_set_b32(secp256k1_fe *r, const unsigned char *a) { /** Convert a field element to a 32-byte big endian value. Requires the input to be normalized */ static void secp256k1_fe_get_b32(unsigned char *r, const secp256k1_fe *a) { - int i; #ifdef VERIFY VERIFY_CHECK(a->normalized); secp256k1_fe_verify(a); #endif - for (i=0; i<32; i++) { - int j; - int c = 0; - for (j=0; j<2; j++) { - int limb = (8*i+4*j)/52; - int shift = (8*i+4*j)%52; - c |= ((a->n[limb] >> shift) & 0xF) << (4 * j); - } - r[31-i] = c; - } + r[0] = (a->n[4] >> 40) & 0xFF; + r[1] = (a->n[4] >> 32) & 0xFF; + r[2] = (a->n[4] >> 24) & 0xFF; + r[3] = (a->n[4] >> 16) & 0xFF; + r[4] = (a->n[4] >> 8) & 0xFF; + r[5] = a->n[4] & 0xFF; + r[6] = (a->n[3] >> 44) & 0xFF; + r[7] = (a->n[3] >> 36) & 0xFF; + r[8] = (a->n[3] >> 28) & 0xFF; + r[9] = (a->n[3] >> 20) & 0xFF; + r[10] = (a->n[3] >> 12) & 0xFF; + r[11] = (a->n[3] >> 4) & 0xFF; + r[12] = ((a->n[2] >> 48) & 0xF) | ((a->n[3] & 0xF) << 4); + r[13] = (a->n[2] >> 40) & 0xFF; + r[14] = (a->n[2] >> 32) & 0xFF; + r[15] = (a->n[2] >> 24) & 0xFF; + r[16] = (a->n[2] >> 16) & 0xFF; + r[17] = (a->n[2] >> 8) & 0xFF; + r[18] = a->n[2] & 0xFF; + r[19] = (a->n[1] >> 44) & 0xFF; + r[20] = (a->n[1] >> 36) & 0xFF; + r[21] = (a->n[1] >> 28) & 0xFF; + r[22] = (a->n[1] >> 20) & 0xFF; + r[23] = (a->n[1] >> 12) & 0xFF; + r[24] = (a->n[1] >> 4) & 0xFF; + r[25] = ((a->n[0] >> 48) & 0xF) | ((a->n[1] & 0xF) << 4); + r[26] = (a->n[0] >> 40) & 0xFF; + r[27] = (a->n[0] >> 32) & 0xFF; + r[28] = (a->n[0] >> 24) & 0xFF; + r[29] = (a->n[0] >> 16) & 0xFF; + r[30] = (a->n[0] >> 8) & 0xFF; + r[31] = a->n[0] & 0xFF; } SECP256K1_INLINE static void secp256k1_fe_negate(secp256k1_fe *r, const secp256k1_fe *a, int m) { diff --git a/src/secp256k1/src/group_impl.h b/src/secp256k1/src/group_impl.h index 2e192b62fd..7d723532ff 100644 --- a/src/secp256k1/src/group_impl.h +++ b/src/secp256k1/src/group_impl.h @@ -200,12 +200,6 @@ static void secp256k1_gej_set_infinity(secp256k1_gej *r) { secp256k1_fe_clear(&r->z); } -static void secp256k1_ge_set_infinity(secp256k1_ge *r) { - r->infinity = 1; - secp256k1_fe_clear(&r->x); - secp256k1_fe_clear(&r->y); -} - static void secp256k1_gej_clear(secp256k1_gej *r) { r->infinity = 0; secp256k1_fe_clear(&r->x); diff --git a/src/secp256k1/src/modules/ecdh/main_impl.h b/src/secp256k1/src/modules/ecdh/main_impl.h index c23e4f82f7..9e30fb73dd 100644 --- a/src/secp256k1/src/modules/ecdh/main_impl.h +++ b/src/secp256k1/src/modules/ecdh/main_impl.h @@ -16,10 +16,10 @@ int secp256k1_ecdh(const secp256k1_context* ctx, unsigned char *result, const se secp256k1_gej res; secp256k1_ge pt; secp256k1_scalar s; + VERIFY_CHECK(ctx != NULL); ARG_CHECK(result != NULL); ARG_CHECK(point != NULL); ARG_CHECK(scalar != NULL); - (void)ctx; secp256k1_pubkey_load(ctx, &pt, point); secp256k1_scalar_set_b32(&s, scalar, &overflow); diff --git a/src/secp256k1/src/modules/ecdh/tests_impl.h b/src/secp256k1/src/modules/ecdh/tests_impl.h index 7badc9033f..85a5d0a9a6 100644 --- a/src/secp256k1/src/modules/ecdh/tests_impl.h +++ b/src/secp256k1/src/modules/ecdh/tests_impl.h @@ -7,6 +7,35 @@ #ifndef _SECP256K1_MODULE_ECDH_TESTS_ #define _SECP256K1_MODULE_ECDH_TESTS_ +void test_ecdh_api(void) { + /* Setup context that just counts errors */ + secp256k1_context *tctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN); + secp256k1_pubkey point; + unsigned char res[32]; + unsigned char s_one[32] = { 0 }; + int32_t ecount = 0; + s_one[31] = 1; + + secp256k1_context_set_error_callback(tctx, counting_illegal_callback_fn, &ecount); + secp256k1_context_set_illegal_callback(tctx, counting_illegal_callback_fn, &ecount); + CHECK(secp256k1_ec_pubkey_create(tctx, &point, s_one) == 1); + + /* Check all NULLs are detected */ + CHECK(secp256k1_ecdh(tctx, res, &point, s_one) == 1); + CHECK(ecount == 0); + CHECK(secp256k1_ecdh(tctx, NULL, &point, s_one) == 0); + CHECK(ecount == 1); + CHECK(secp256k1_ecdh(tctx, res, NULL, s_one) == 0); + CHECK(ecount == 2); + CHECK(secp256k1_ecdh(tctx, res, &point, NULL) == 0); + CHECK(ecount == 3); + CHECK(secp256k1_ecdh(tctx, res, &point, s_one) == 1); + CHECK(ecount == 3); + + /* Cleanup */ + secp256k1_context_destroy(tctx); +} + void test_ecdh_generator_basepoint(void) { unsigned char s_one[32] = { 0 }; secp256k1_pubkey point[2]; @@ -68,6 +97,7 @@ void test_bad_scalar(void) { } void run_ecdh_tests(void) { + test_ecdh_api(); test_ecdh_generator_basepoint(); test_bad_scalar(); } diff --git a/src/secp256k1/src/modules/recovery/main_impl.h b/src/secp256k1/src/modules/recovery/main_impl.h index 86f2f0cb2b..c6fbe23981 100755 --- a/src/secp256k1/src/modules/recovery/main_impl.h +++ b/src/secp256k1/src/modules/recovery/main_impl.h @@ -179,7 +179,7 @@ int secp256k1_ecdsa_recover(const secp256k1_context* ctx, secp256k1_pubkey *pubk ARG_CHECK(pubkey != NULL); secp256k1_ecdsa_recoverable_signature_load(ctx, &r, &s, &recid, signature); - ARG_CHECK(recid >= 0 && recid < 4); + VERIFY_CHECK(recid >= 0 && recid < 4); /* should have been caught in parse_compact */ secp256k1_scalar_set_b32(&m, msg32, NULL); if (secp256k1_ecdsa_sig_recover(&ctx->ecmult_ctx, &r, &s, &q, &m, recid)) { secp256k1_pubkey_save(pubkey, &q); diff --git a/src/secp256k1/src/modules/recovery/tests_impl.h b/src/secp256k1/src/modules/recovery/tests_impl.h index 8932d5f0af..765c7dd81e 100644 --- a/src/secp256k1/src/modules/recovery/tests_impl.h +++ b/src/secp256k1/src/modules/recovery/tests_impl.h @@ -7,6 +7,146 @@ #ifndef _SECP256K1_MODULE_RECOVERY_TESTS_ #define _SECP256K1_MODULE_RECOVERY_TESTS_ +static int recovery_test_nonce_function(unsigned char *nonce32, const unsigned char *msg32, const unsigned char *key32, const unsigned char *algo16, void *data, unsigned int counter) { + (void) msg32; + (void) key32; + (void) algo16; + (void) data; + + /* On the first run, return 0 to force a second run */ + if (counter == 0) { + memset(nonce32, 0, 32); + return 1; + } + /* On the second run, return an overflow to force a third run */ + if (counter == 1) { + memset(nonce32, 0xff, 32); + return 1; + } + /* On the next run, return a valid nonce, but flip a coin as to whether or not to fail signing. */ + memset(nonce32, 1, 32); + return secp256k1_rand_bits(1); +} + +void test_ecdsa_recovery_api(void) { + /* Setup contexts that just count errors */ + secp256k1_context *none = secp256k1_context_create(SECP256K1_CONTEXT_NONE); + secp256k1_context *sign = secp256k1_context_create(SECP256K1_CONTEXT_SIGN); + secp256k1_context *vrfy = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY); + secp256k1_context *both = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY); + secp256k1_pubkey pubkey; + secp256k1_pubkey recpubkey; + secp256k1_ecdsa_signature normal_sig; + secp256k1_ecdsa_recoverable_signature recsig; + unsigned char privkey[32] = { 1 }; + unsigned char message[32] = { 2 }; + int32_t ecount = 0; + int recid = 0; + unsigned char sig[74]; + unsigned char zero_privkey[32] = { 0 }; + unsigned char over_privkey[32] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; + + secp256k1_context_set_error_callback(none, counting_illegal_callback_fn, &ecount); + secp256k1_context_set_error_callback(sign, counting_illegal_callback_fn, &ecount); + secp256k1_context_set_error_callback(vrfy, counting_illegal_callback_fn, &ecount); + secp256k1_context_set_error_callback(both, counting_illegal_callback_fn, &ecount); + secp256k1_context_set_illegal_callback(none, counting_illegal_callback_fn, &ecount); + secp256k1_context_set_illegal_callback(sign, counting_illegal_callback_fn, &ecount); + secp256k1_context_set_illegal_callback(vrfy, counting_illegal_callback_fn, &ecount); + secp256k1_context_set_illegal_callback(both, counting_illegal_callback_fn, &ecount); + + /* Construct and verify corresponding public key. */ + CHECK(secp256k1_ec_seckey_verify(ctx, privkey) == 1); + CHECK(secp256k1_ec_pubkey_create(ctx, &pubkey, privkey) == 1); + + /* Check bad contexts and NULLs for signing */ + ecount = 0; + CHECK(secp256k1_ecdsa_sign_recoverable(none, &recsig, message, privkey, NULL, NULL) == 0); + CHECK(ecount == 1); + CHECK(secp256k1_ecdsa_sign_recoverable(sign, &recsig, message, privkey, NULL, NULL) == 1); + CHECK(ecount == 1); + CHECK(secp256k1_ecdsa_sign_recoverable(vrfy, &recsig, message, privkey, NULL, NULL) == 0); + CHECK(ecount == 2); + CHECK(secp256k1_ecdsa_sign_recoverable(both, &recsig, message, privkey, NULL, NULL) == 1); + CHECK(ecount == 2); + CHECK(secp256k1_ecdsa_sign_recoverable(both, NULL, message, privkey, NULL, NULL) == 0); + CHECK(ecount == 3); + CHECK(secp256k1_ecdsa_sign_recoverable(both, &recsig, NULL, privkey, NULL, NULL) == 0); + CHECK(ecount == 4); + CHECK(secp256k1_ecdsa_sign_recoverable(both, &recsig, message, NULL, NULL, NULL) == 0); + CHECK(ecount == 5); + /* This will fail or succeed randomly, and in either case will not ARG_CHECK failure */ + secp256k1_ecdsa_sign_recoverable(both, &recsig, message, privkey, recovery_test_nonce_function, NULL); + CHECK(ecount == 5); + /* These will all fail, but not in ARG_CHECK way */ + CHECK(secp256k1_ecdsa_sign_recoverable(both, &recsig, message, zero_privkey, NULL, NULL) == 0); + CHECK(secp256k1_ecdsa_sign_recoverable(both, &recsig, message, over_privkey, NULL, NULL) == 0); + /* This one will succeed. */ + CHECK(secp256k1_ecdsa_sign_recoverable(both, &recsig, message, privkey, NULL, NULL) == 1); + CHECK(ecount == 5); + + /* Check signing with a goofy nonce function */ + + /* Check bad contexts and NULLs for recovery */ + ecount = 0; + CHECK(secp256k1_ecdsa_recover(none, &recpubkey, &recsig, message) == 0); + CHECK(ecount == 1); + CHECK(secp256k1_ecdsa_recover(sign, &recpubkey, &recsig, message) == 0); + CHECK(ecount == 2); + CHECK(secp256k1_ecdsa_recover(vrfy, &recpubkey, &recsig, message) == 1); + CHECK(ecount == 2); + CHECK(secp256k1_ecdsa_recover(both, &recpubkey, &recsig, message) == 1); + CHECK(ecount == 2); + CHECK(secp256k1_ecdsa_recover(both, NULL, &recsig, message) == 0); + CHECK(ecount == 3); + CHECK(secp256k1_ecdsa_recover(both, &recpubkey, NULL, message) == 0); + CHECK(ecount == 4); + CHECK(secp256k1_ecdsa_recover(both, &recpubkey, &recsig, NULL) == 0); + CHECK(ecount == 5); + + /* Check NULLs for conversion */ + CHECK(secp256k1_ecdsa_sign(both, &normal_sig, message, privkey, NULL, NULL) == 1); + ecount = 0; + CHECK(secp256k1_ecdsa_recoverable_signature_convert(both, NULL, &recsig) == 0); + CHECK(ecount == 1); + CHECK(secp256k1_ecdsa_recoverable_signature_convert(both, &normal_sig, NULL) == 0); + CHECK(ecount == 2); + CHECK(secp256k1_ecdsa_recoverable_signature_convert(both, &normal_sig, &recsig) == 1); + + /* Check NULLs for de/serialization */ + CHECK(secp256k1_ecdsa_sign_recoverable(both, &recsig, message, privkey, NULL, NULL) == 1); + ecount = 0; + CHECK(secp256k1_ecdsa_recoverable_signature_serialize_compact(both, NULL, &recid, &recsig) == 0); + CHECK(ecount == 1); + CHECK(secp256k1_ecdsa_recoverable_signature_serialize_compact(both, sig, NULL, &recsig) == 0); + CHECK(ecount == 2); + CHECK(secp256k1_ecdsa_recoverable_signature_serialize_compact(both, sig, &recid, NULL) == 0); + CHECK(ecount == 3); + CHECK(secp256k1_ecdsa_recoverable_signature_serialize_compact(both, sig, &recid, &recsig) == 1); + + CHECK(secp256k1_ecdsa_recoverable_signature_parse_compact(both, NULL, sig, recid) == 0); + CHECK(ecount == 4); + CHECK(secp256k1_ecdsa_recoverable_signature_parse_compact(both, &recsig, NULL, recid) == 0); + CHECK(ecount == 5); + CHECK(secp256k1_ecdsa_recoverable_signature_parse_compact(both, &recsig, sig, -1) == 0); + CHECK(ecount == 6); + CHECK(secp256k1_ecdsa_recoverable_signature_parse_compact(both, &recsig, sig, 5) == 0); + CHECK(ecount == 7); + /* overflow in signature will fail but not affect ecount */ + memcpy(sig, over_privkey, 32); + CHECK(secp256k1_ecdsa_recoverable_signature_parse_compact(both, &recsig, sig, recid) == 0); + CHECK(ecount == 7); + + /* cleanup */ + secp256k1_context_destroy(none); + secp256k1_context_destroy(sign); + secp256k1_context_destroy(vrfy); + secp256k1_context_destroy(both); +} + void test_ecdsa_recovery_end_to_end(void) { unsigned char extra[32] = {0x00}; unsigned char privkey[32]; @@ -241,6 +381,9 @@ void test_ecdsa_recovery_edge_cases(void) { void run_recovery_tests(void) { int i; + for (i = 0; i < count; i++) { + test_ecdsa_recovery_api(); + } for (i = 0; i < 64*count; i++) { test_ecdsa_recovery_end_to_end(); } diff --git a/src/secp256k1/src/scalar_impl.h b/src/secp256k1/src/scalar_impl.h index f5b2376407..2690d86558 100644 --- a/src/secp256k1/src/scalar_impl.h +++ b/src/secp256k1/src/scalar_impl.h @@ -66,88 +66,79 @@ static void secp256k1_scalar_inverse(secp256k1_scalar *r, const secp256k1_scalar #else secp256k1_scalar *t; int i; - /* First compute x ^ (2^N - 1) for some values of N. */ - secp256k1_scalar x2, x3, x4, x6, x7, x8, x15, x30, x60, x120, x127; + /* First compute xN as x ^ (2^N - 1) for some values of N, + * and uM as x ^ M for some values of M. */ + secp256k1_scalar x2, x3, x6, x8, x14, x28, x56, x112, x126; + secp256k1_scalar u2, u5, u9, u11, u13; - secp256k1_scalar_sqr(&x2, x); - secp256k1_scalar_mul(&x2, &x2, x); + secp256k1_scalar_sqr(&u2, x); + secp256k1_scalar_mul(&x2, &u2, x); + secp256k1_scalar_mul(&u5, &u2, &x2); + secp256k1_scalar_mul(&x3, &u5, &u2); + secp256k1_scalar_mul(&u9, &x3, &u2); + secp256k1_scalar_mul(&u11, &u9, &u2); + secp256k1_scalar_mul(&u13, &u11, &u2); - secp256k1_scalar_sqr(&x3, &x2); - secp256k1_scalar_mul(&x3, &x3, x); - - secp256k1_scalar_sqr(&x4, &x3); - secp256k1_scalar_mul(&x4, &x4, x); - - secp256k1_scalar_sqr(&x6, &x4); + secp256k1_scalar_sqr(&x6, &u13); secp256k1_scalar_sqr(&x6, &x6); - secp256k1_scalar_mul(&x6, &x6, &x2); - - secp256k1_scalar_sqr(&x7, &x6); - secp256k1_scalar_mul(&x7, &x7, x); + secp256k1_scalar_mul(&x6, &x6, &u11); - secp256k1_scalar_sqr(&x8, &x7); - secp256k1_scalar_mul(&x8, &x8, x); + secp256k1_scalar_sqr(&x8, &x6); + secp256k1_scalar_sqr(&x8, &x8); + secp256k1_scalar_mul(&x8, &x8, &x2); - secp256k1_scalar_sqr(&x15, &x8); - for (i = 0; i < 6; i++) { - secp256k1_scalar_sqr(&x15, &x15); + secp256k1_scalar_sqr(&x14, &x8); + for (i = 0; i < 5; i++) { + secp256k1_scalar_sqr(&x14, &x14); } - secp256k1_scalar_mul(&x15, &x15, &x7); + secp256k1_scalar_mul(&x14, &x14, &x6); - secp256k1_scalar_sqr(&x30, &x15); - for (i = 0; i < 14; i++) { - secp256k1_scalar_sqr(&x30, &x30); + secp256k1_scalar_sqr(&x28, &x14); + for (i = 0; i < 13; i++) { + secp256k1_scalar_sqr(&x28, &x28); } - secp256k1_scalar_mul(&x30, &x30, &x15); + secp256k1_scalar_mul(&x28, &x28, &x14); - secp256k1_scalar_sqr(&x60, &x30); - for (i = 0; i < 29; i++) { - secp256k1_scalar_sqr(&x60, &x60); + secp256k1_scalar_sqr(&x56, &x28); + for (i = 0; i < 27; i++) { + secp256k1_scalar_sqr(&x56, &x56); } - secp256k1_scalar_mul(&x60, &x60, &x30); + secp256k1_scalar_mul(&x56, &x56, &x28); - secp256k1_scalar_sqr(&x120, &x60); - for (i = 0; i < 59; i++) { - secp256k1_scalar_sqr(&x120, &x120); + secp256k1_scalar_sqr(&x112, &x56); + for (i = 0; i < 55; i++) { + secp256k1_scalar_sqr(&x112, &x112); } - secp256k1_scalar_mul(&x120, &x120, &x60); + secp256k1_scalar_mul(&x112, &x112, &x56); - secp256k1_scalar_sqr(&x127, &x120); - for (i = 0; i < 6; i++) { - secp256k1_scalar_sqr(&x127, &x127); + secp256k1_scalar_sqr(&x126, &x112); + for (i = 0; i < 13; i++) { + secp256k1_scalar_sqr(&x126, &x126); } - secp256k1_scalar_mul(&x127, &x127, &x7); + secp256k1_scalar_mul(&x126, &x126, &x14); - /* Then accumulate the final result (t starts at x127). */ - t = &x127; - for (i = 0; i < 2; i++) { /* 0 */ + /* Then accumulate the final result (t starts at x126). */ + t = &x126; + for (i = 0; i < 3; i++) { secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, x); /* 1 */ + secp256k1_scalar_mul(t, t, &u5); /* 101 */ for (i = 0; i < 4; i++) { /* 0 */ secp256k1_scalar_sqr(t, t); } secp256k1_scalar_mul(t, t, &x3); /* 111 */ - for (i = 0; i < 2; i++) { /* 0 */ - secp256k1_scalar_sqr(t, t); - } - secp256k1_scalar_mul(t, t, x); /* 1 */ - for (i = 0; i < 2; i++) { /* 0 */ - secp256k1_scalar_sqr(t, t); - } - secp256k1_scalar_mul(t, t, x); /* 1 */ - for (i = 0; i < 2; i++) { /* 0 */ + for (i = 0; i < 4; i++) { /* 0 */ secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, x); /* 1 */ - for (i = 0; i < 4; i++) { /* 0 */ + secp256k1_scalar_mul(t, t, &u5); /* 101 */ + for (i = 0; i < 5; i++) { /* 0 */ secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, &x3); /* 111 */ - for (i = 0; i < 3; i++) { /* 0 */ + secp256k1_scalar_mul(t, t, &u11); /* 1011 */ + for (i = 0; i < 4; i++) { secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, &x2); /* 11 */ + secp256k1_scalar_mul(t, t, &u11); /* 1011 */ for (i = 0; i < 4; i++) { /* 0 */ secp256k1_scalar_sqr(t, t); } @@ -156,38 +147,26 @@ static void secp256k1_scalar_inverse(secp256k1_scalar *r, const secp256k1_scalar secp256k1_scalar_sqr(t, t); } secp256k1_scalar_mul(t, t, &x3); /* 111 */ - for (i = 0; i < 4; i++) { /* 00 */ + for (i = 0; i < 6; i++) { /* 00 */ secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, &x2); /* 11 */ - for (i = 0; i < 2; i++) { /* 0 */ + secp256k1_scalar_mul(t, t, &u13); /* 1101 */ + for (i = 0; i < 4; i++) { /* 0 */ secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, x); /* 1 */ - for (i = 0; i < 2; i++) { /* 0 */ + secp256k1_scalar_mul(t, t, &u5); /* 101 */ + for (i = 0; i < 3; i++) { secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, x); /* 1 */ + secp256k1_scalar_mul(t, t, &x3); /* 111 */ for (i = 0; i < 5; i++) { /* 0 */ secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, &x4); /* 1111 */ - for (i = 0; i < 2; i++) { /* 0 */ - secp256k1_scalar_sqr(t, t); - } - secp256k1_scalar_mul(t, t, x); /* 1 */ - for (i = 0; i < 3; i++) { /* 00 */ - secp256k1_scalar_sqr(t, t); - } - secp256k1_scalar_mul(t, t, x); /* 1 */ - for (i = 0; i < 4; i++) { /* 000 */ - secp256k1_scalar_sqr(t, t); - } - secp256k1_scalar_mul(t, t, x); /* 1 */ - for (i = 0; i < 2; i++) { /* 0 */ + secp256k1_scalar_mul(t, t, &u9); /* 1001 */ + for (i = 0; i < 6; i++) { /* 000 */ secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, x); /* 1 */ + secp256k1_scalar_mul(t, t, &u5); /* 101 */ for (i = 0; i < 10; i++) { /* 0000000 */ secp256k1_scalar_sqr(t, t); } @@ -200,50 +179,34 @@ static void secp256k1_scalar_inverse(secp256k1_scalar *r, const secp256k1_scalar secp256k1_scalar_sqr(t, t); } secp256k1_scalar_mul(t, t, &x8); /* 11111111 */ - for (i = 0; i < 2; i++) { /* 0 */ - secp256k1_scalar_sqr(t, t); - } - secp256k1_scalar_mul(t, t, x); /* 1 */ - for (i = 0; i < 3; i++) { /* 00 */ - secp256k1_scalar_sqr(t, t); - } - secp256k1_scalar_mul(t, t, x); /* 1 */ - for (i = 0; i < 3; i++) { /* 00 */ - secp256k1_scalar_sqr(t, t); - } - secp256k1_scalar_mul(t, t, x); /* 1 */ for (i = 0; i < 5; i++) { /* 0 */ secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, &x4); /* 1111 */ - for (i = 0; i < 2; i++) { /* 0 */ + secp256k1_scalar_mul(t, t, &u9); /* 1001 */ + for (i = 0; i < 6; i++) { /* 00 */ secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, x); /* 1 */ - for (i = 0; i < 5; i++) { /* 000 */ + secp256k1_scalar_mul(t, t, &u11); /* 1011 */ + for (i = 0; i < 4; i++) { secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, &x2); /* 11 */ - for (i = 0; i < 4; i++) { /* 00 */ + secp256k1_scalar_mul(t, t, &u13); /* 1101 */ + for (i = 0; i < 5; i++) { secp256k1_scalar_sqr(t, t); } secp256k1_scalar_mul(t, t, &x2); /* 11 */ - for (i = 0; i < 2; i++) { /* 0 */ + for (i = 0; i < 6; i++) { /* 00 */ secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, x); /* 1 */ - for (i = 0; i < 8; i++) { /* 000000 */ - secp256k1_scalar_sqr(t, t); - } - secp256k1_scalar_mul(t, t, &x2); /* 11 */ - for (i = 0; i < 3; i++) { /* 0 */ + secp256k1_scalar_mul(t, t, &u13); /* 1101 */ + for (i = 0; i < 10; i++) { /* 000000 */ secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, &x2); /* 11 */ - for (i = 0; i < 3; i++) { /* 00 */ + secp256k1_scalar_mul(t, t, &u13); /* 1101 */ + for (i = 0; i < 4; i++) { secp256k1_scalar_sqr(t, t); } - secp256k1_scalar_mul(t, t, x); /* 1 */ + secp256k1_scalar_mul(t, t, &u9); /* 1001 */ for (i = 0; i < 6; i++) { /* 00000 */ secp256k1_scalar_sqr(t, t); } diff --git a/src/secp256k1/src/secp256k1.c b/src/secp256k1/src/secp256k1.c index fb8b882faa..4f8c01655b 100755..100644 --- a/src/secp256k1/src/secp256k1.c +++ b/src/secp256k1/src/secp256k1.c @@ -424,6 +424,33 @@ int secp256k1_ec_pubkey_create(const secp256k1_context* ctx, secp256k1_pubkey *p return ret; } +int secp256k1_ec_privkey_negate(const secp256k1_context* ctx, unsigned char *seckey) { + secp256k1_scalar sec; + VERIFY_CHECK(ctx != NULL); + ARG_CHECK(seckey != NULL); + + secp256k1_scalar_set_b32(&sec, seckey, NULL); + secp256k1_scalar_negate(&sec, &sec); + secp256k1_scalar_get_b32(seckey, &sec); + + return 1; +} + +int secp256k1_ec_pubkey_negate(const secp256k1_context* ctx, secp256k1_pubkey *pubkey) { + int ret = 0; + secp256k1_ge p; + VERIFY_CHECK(ctx != NULL); + ARG_CHECK(pubkey != NULL); + + ret = secp256k1_pubkey_load(ctx, &p, pubkey); + memset(pubkey, 0, sizeof(*pubkey)); + if (ret) { + secp256k1_ge_neg(&p, &p); + secp256k1_pubkey_save(pubkey, &p); + } + return ret; +} + int secp256k1_ec_privkey_tweak_add(const secp256k1_context* ctx, unsigned char *seckey, const unsigned char *tweak) { secp256k1_scalar term; secp256k1_scalar sec; @@ -552,10 +579,6 @@ int secp256k1_ec_pubkey_combine(const secp256k1_context* ctx, secp256k1_pubkey * # include "modules/ecdh/main_impl.h" #endif -#ifdef ENABLE_MODULE_SCHNORR -# include "modules/schnorr/main_impl.h" -#endif - #ifdef ENABLE_MODULE_RECOVERY # include "modules/recovery/main_impl.h" #endif diff --git a/src/secp256k1/src/tests.c b/src/secp256k1/src/tests.c index 9ae7d30281..3d9bd5ebb4 100644 --- a/src/secp256k1/src/tests.c +++ b/src/secp256k1/src/tests.c @@ -10,6 +10,7 @@ #include <stdio.h> #include <stdlib.h> +#include <string.h> #include <time.h> @@ -135,6 +136,7 @@ void random_scalar_order(secp256k1_scalar *num) { void run_context_tests(void) { secp256k1_pubkey pubkey; + secp256k1_pubkey zero_pubkey; secp256k1_ecdsa_signature sig; unsigned char ctmp[32]; int32_t ecount; @@ -149,6 +151,8 @@ void run_context_tests(void) { secp256k1_scalar msg, key, nonce; secp256k1_scalar sigr, sigs; + memset(&zero_pubkey, 0, sizeof(zero_pubkey)); + ecount = 0; ecount2 = 10; secp256k1_context_set_illegal_callback(vrfy, counting_illegal_callback_fn, &ecount); @@ -201,12 +205,20 @@ void run_context_tests(void) { CHECK(ecount == 2); CHECK(secp256k1_ec_pubkey_tweak_mul(sign, &pubkey, ctmp) == 0); CHECK(ecount2 == 13); - CHECK(secp256k1_ec_pubkey_tweak_mul(vrfy, &pubkey, ctmp) == 1); + CHECK(secp256k1_ec_pubkey_negate(vrfy, &pubkey) == 1); CHECK(ecount == 2); - CHECK(secp256k1_context_randomize(vrfy, ctmp) == 0); + CHECK(secp256k1_ec_pubkey_negate(sign, &pubkey) == 1); + CHECK(ecount == 2); + CHECK(secp256k1_ec_pubkey_negate(sign, NULL) == 0); + CHECK(ecount2 == 14); + CHECK(secp256k1_ec_pubkey_negate(vrfy, &zero_pubkey) == 0); CHECK(ecount == 3); + CHECK(secp256k1_ec_pubkey_tweak_mul(vrfy, &pubkey, ctmp) == 1); + CHECK(ecount == 3); + CHECK(secp256k1_context_randomize(vrfy, ctmp) == 0); + CHECK(ecount == 4); CHECK(secp256k1_context_randomize(sign, NULL) == 1); - CHECK(ecount2 == 13); + CHECK(ecount2 == 14); secp256k1_context_set_illegal_callback(vrfy, NULL, NULL); secp256k1_context_set_illegal_callback(sign, NULL, NULL); @@ -1879,9 +1891,9 @@ void test_ge(void) { * * When the endomorphism code is compiled in, p5 = lambda*p1 and p6 = lambda^2*p1 are added as well. */ - secp256k1_ge *ge = (secp256k1_ge *)malloc(sizeof(secp256k1_ge) * (1 + 4 * runs)); - secp256k1_gej *gej = (secp256k1_gej *)malloc(sizeof(secp256k1_gej) * (1 + 4 * runs)); - secp256k1_fe *zinv = (secp256k1_fe *)malloc(sizeof(secp256k1_fe) * (1 + 4 * runs)); + secp256k1_ge *ge = (secp256k1_ge *)checked_malloc(&ctx->error_callback, sizeof(secp256k1_ge) * (1 + 4 * runs)); + secp256k1_gej *gej = (secp256k1_gej *)checked_malloc(&ctx->error_callback, sizeof(secp256k1_gej) * (1 + 4 * runs)); + secp256k1_fe *zinv = (secp256k1_fe *)checked_malloc(&ctx->error_callback, sizeof(secp256k1_fe) * (1 + 4 * runs)); secp256k1_fe zf; secp256k1_fe zfi2, zfi3; @@ -1919,7 +1931,7 @@ void test_ge(void) { /* Compute z inverses. */ { - secp256k1_fe *zs = malloc(sizeof(secp256k1_fe) * (1 + 4 * runs)); + secp256k1_fe *zs = checked_malloc(&ctx->error_callback, sizeof(secp256k1_fe) * (1 + 4 * runs)); for (i = 0; i < 4 * runs + 1; i++) { if (i == 0) { /* The point at infinity does not have a meaningful z inverse. Any should do. */ @@ -2020,7 +2032,7 @@ void test_ge(void) { /* Test adding all points together in random order equals infinity. */ { secp256k1_gej sum = SECP256K1_GEJ_CONST_INFINITY; - secp256k1_gej *gej_shuffled = (secp256k1_gej *)malloc((4 * runs + 1) * sizeof(secp256k1_gej)); + secp256k1_gej *gej_shuffled = (secp256k1_gej *)checked_malloc(&ctx->error_callback, (4 * runs + 1) * sizeof(secp256k1_gej)); for (i = 0; i < 4 * runs + 1; i++) { gej_shuffled[i] = gej[i]; } @@ -2041,9 +2053,9 @@ void test_ge(void) { /* Test batch gej -> ge conversion with and without known z ratios. */ { - secp256k1_fe *zr = (secp256k1_fe *)malloc((4 * runs + 1) * sizeof(secp256k1_fe)); - secp256k1_ge *ge_set_table = (secp256k1_ge *)malloc((4 * runs + 1) * sizeof(secp256k1_ge)); - secp256k1_ge *ge_set_all = (secp256k1_ge *)malloc((4 * runs + 1) * sizeof(secp256k1_ge)); + secp256k1_fe *zr = (secp256k1_fe *)checked_malloc(&ctx->error_callback, (4 * runs + 1) * sizeof(secp256k1_fe)); + secp256k1_ge *ge_set_table = (secp256k1_ge *)checked_malloc(&ctx->error_callback, (4 * runs + 1) * sizeof(secp256k1_ge)); + secp256k1_ge *ge_set_all = (secp256k1_ge *)checked_malloc(&ctx->error_callback, (4 * runs + 1) * sizeof(secp256k1_ge)); for (i = 0; i < 4 * runs + 1; i++) { /* Compute gej[i + 1].z / gez[i].z (with gej[n].z taken to be 1). */ if (i < 4 * runs) { @@ -3436,6 +3448,7 @@ void test_ecdsa_end_to_end(void) { unsigned char pubkeyc[65]; size_t pubkeyclen = 65; secp256k1_pubkey pubkey; + secp256k1_pubkey pubkey_tmp; unsigned char seckey[300]; size_t seckeylen = 300; @@ -3457,6 +3470,13 @@ void test_ecdsa_end_to_end(void) { memset(&pubkey, 0, sizeof(pubkey)); CHECK(secp256k1_ec_pubkey_parse(ctx, &pubkey, pubkeyc, pubkeyclen) == 1); + /* Verify negation changes the key and changes it back */ + memcpy(&pubkey_tmp, &pubkey, sizeof(pubkey)); + CHECK(secp256k1_ec_pubkey_negate(ctx, &pubkey_tmp) == 1); + CHECK(memcmp(&pubkey_tmp, &pubkey, sizeof(pubkey)) != 0); + CHECK(secp256k1_ec_pubkey_negate(ctx, &pubkey_tmp) == 1); + CHECK(memcmp(&pubkey_tmp, &pubkey, sizeof(pubkey)) == 0); + /* Verify private key import and export. */ CHECK(ec_privkey_export_der(ctx, seckey, &seckeylen, privkey, secp256k1_rand_bits(1) == 1)); CHECK(ec_privkey_import_der(ctx, privkey2, seckey, seckeylen) == 1); @@ -4383,10 +4403,6 @@ void run_ecdsa_openssl(void) { # include "modules/ecdh/tests_impl.h" #endif -#ifdef ENABLE_MODULE_SCHNORR -# include "modules/schnorr/tests_impl.h" -#endif - #ifdef ENABLE_MODULE_RECOVERY # include "modules/recovery/tests_impl.h" #endif @@ -4504,11 +4520,6 @@ int main(int argc, char **argv) { run_ecdsa_openssl(); #endif -#ifdef ENABLE_MODULE_SCHNORR - /* Schnorr tests */ - run_schnorr_tests(); -#endif - #ifdef ENABLE_MODULE_RECOVERY /* ECDSA pubkey recovery tests */ run_recovery_tests(); diff --git a/src/secp256k1/src/tests_exhaustive.c b/src/secp256k1/src/tests_exhaustive.c index bda6ee475c..b040bb0733 100644 --- a/src/secp256k1/src/tests_exhaustive.c +++ b/src/secp256k1/src/tests_exhaustive.c @@ -26,6 +26,11 @@ #include "secp256k1.c" #include "testrand_impl.h" +#ifdef ENABLE_MODULE_RECOVERY +#include "src/modules/recovery/main_impl.h" +#include "include/secp256k1_recovery.h" +#endif + /** stolen from tests.c */ void ge_equals_ge(const secp256k1_ge *a, const secp256k1_ge *b) { CHECK(a->infinity == b->infinity); @@ -77,7 +82,7 @@ int secp256k1_nonce_function_smallint(unsigned char *nonce32, const unsigned cha * function with an increased `attempt`. So if attempt > 0 this means we * need to change the nonce to avoid an infinite loop. */ if (attempt > 0) { - (*idata)++; + *idata = (*idata + 1) % EXHAUSTIVE_TEST_ORDER; } secp256k1_scalar_set_int(&s, *idata); secp256k1_scalar_get_b32(nonce32, &s); @@ -244,6 +249,7 @@ void test_exhaustive_sign(const secp256k1_context *ctx, const secp256k1_ge *grou for (i = 1; i < order; i++) { /* message */ for (j = 1; j < order; j++) { /* key */ for (k = 1; k < order; k++) { /* nonce */ + const int starting_k = k; secp256k1_ecdsa_signature sig; secp256k1_scalar sk, msg, r, s, expected_r; unsigned char sk32[32], msg32[32]; @@ -262,6 +268,11 @@ void test_exhaustive_sign(const secp256k1_context *ctx, const secp256k1_ge *grou CHECK(r == expected_r); CHECK((k * s) % order == (i + r * j) % order || (k * (EXHAUSTIVE_TEST_ORDER - s)) % order == (i + r * j) % order); + + /* Overflow means we've tried every possible nonce */ + if (k < starting_k) { + break; + } } } } @@ -276,6 +287,130 @@ void test_exhaustive_sign(const secp256k1_context *ctx, const secp256k1_ge *grou */ } +#ifdef ENABLE_MODULE_RECOVERY +void test_exhaustive_recovery_sign(const secp256k1_context *ctx, const secp256k1_ge *group, int order) { + int i, j, k; + + /* Loop */ + for (i = 1; i < order; i++) { /* message */ + for (j = 1; j < order; j++) { /* key */ + for (k = 1; k < order; k++) { /* nonce */ + const int starting_k = k; + secp256k1_fe r_dot_y_normalized; + secp256k1_ecdsa_recoverable_signature rsig; + secp256k1_ecdsa_signature sig; + secp256k1_scalar sk, msg, r, s, expected_r; + unsigned char sk32[32], msg32[32]; + int expected_recid; + int recid; + secp256k1_scalar_set_int(&msg, i); + secp256k1_scalar_set_int(&sk, j); + secp256k1_scalar_get_b32(sk32, &sk); + secp256k1_scalar_get_b32(msg32, &msg); + + secp256k1_ecdsa_sign_recoverable(ctx, &rsig, msg32, sk32, secp256k1_nonce_function_smallint, &k); + + /* Check directly */ + secp256k1_ecdsa_recoverable_signature_load(ctx, &r, &s, &recid, &rsig); + r_from_k(&expected_r, group, k); + CHECK(r == expected_r); + CHECK((k * s) % order == (i + r * j) % order || + (k * (EXHAUSTIVE_TEST_ORDER - s)) % order == (i + r * j) % order); + /* In computing the recid, there is an overflow condition that is disabled in + * scalar_low_impl.h `secp256k1_scalar_set_b32` because almost every r.y value + * will exceed the group order, and our signing code always holds out for r + * values that don't overflow, so with a proper overflow check the tests would + * loop indefinitely. */ + r_dot_y_normalized = group[k].y; + secp256k1_fe_normalize(&r_dot_y_normalized); + /* Also the recovery id is flipped depending if we hit the low-s branch */ + if ((k * s) % order == (i + r * j) % order) { + expected_recid = secp256k1_fe_is_odd(&r_dot_y_normalized) ? 1 : 0; + } else { + expected_recid = secp256k1_fe_is_odd(&r_dot_y_normalized) ? 0 : 1; + } + CHECK(recid == expected_recid); + + /* Convert to a standard sig then check */ + secp256k1_ecdsa_recoverable_signature_convert(ctx, &sig, &rsig); + secp256k1_ecdsa_signature_load(ctx, &r, &s, &sig); + /* Note that we compute expected_r *after* signing -- this is important + * because our nonce-computing function function might change k during + * signing. */ + r_from_k(&expected_r, group, k); + CHECK(r == expected_r); + CHECK((k * s) % order == (i + r * j) % order || + (k * (EXHAUSTIVE_TEST_ORDER - s)) % order == (i + r * j) % order); + + /* Overflow means we've tried every possible nonce */ + if (k < starting_k) { + break; + } + } + } + } +} + +void test_exhaustive_recovery_verify(const secp256k1_context *ctx, const secp256k1_ge *group, int order) { + /* This is essentially a copy of test_exhaustive_verify, with recovery added */ + int s, r, msg, key; + for (s = 1; s < order; s++) { + for (r = 1; r < order; r++) { + for (msg = 1; msg < order; msg++) { + for (key = 1; key < order; key++) { + secp256k1_ge nonconst_ge; + secp256k1_ecdsa_recoverable_signature rsig; + secp256k1_ecdsa_signature sig; + secp256k1_pubkey pk; + secp256k1_scalar sk_s, msg_s, r_s, s_s; + secp256k1_scalar s_times_k_s, msg_plus_r_times_sk_s; + int recid = 0; + int k, should_verify; + unsigned char msg32[32]; + + secp256k1_scalar_set_int(&s_s, s); + secp256k1_scalar_set_int(&r_s, r); + secp256k1_scalar_set_int(&msg_s, msg); + secp256k1_scalar_set_int(&sk_s, key); + secp256k1_scalar_get_b32(msg32, &msg_s); + + /* Verify by hand */ + /* Run through every k value that gives us this r and check that *one* works. + * Note there could be none, there could be multiple, ECDSA is weird. */ + should_verify = 0; + for (k = 0; k < order; k++) { + secp256k1_scalar check_x_s; + r_from_k(&check_x_s, group, k); + if (r_s == check_x_s) { + secp256k1_scalar_set_int(&s_times_k_s, k); + secp256k1_scalar_mul(&s_times_k_s, &s_times_k_s, &s_s); + secp256k1_scalar_mul(&msg_plus_r_times_sk_s, &r_s, &sk_s); + secp256k1_scalar_add(&msg_plus_r_times_sk_s, &msg_plus_r_times_sk_s, &msg_s); + should_verify |= secp256k1_scalar_eq(&s_times_k_s, &msg_plus_r_times_sk_s); + } + } + /* nb we have a "high s" rule */ + should_verify &= !secp256k1_scalar_is_high(&s_s); + + /* We would like to try recovering the pubkey and checking that it matches, + * but pubkey recovery is impossible in the exhaustive tests (the reason + * being that there are 12 nonzero r values, 12 nonzero points, and no + * overlap between the sets, so there are no valid signatures). */ + + /* Verify by converting to a standard signature and calling verify */ + secp256k1_ecdsa_recoverable_signature_save(&rsig, &r_s, &s_s, recid); + secp256k1_ecdsa_recoverable_signature_convert(ctx, &sig, &rsig); + memcpy(&nonconst_ge, &group[sk_s], sizeof(nonconst_ge)); + secp256k1_pubkey_save(&pk, &nonconst_ge); + CHECK(should_verify == + secp256k1_ecdsa_verify(ctx, &sig, msg32, &pk)); + } + } + } + } +} +#endif + int main(void) { int i; secp256k1_gej groupj[EXHAUSTIVE_TEST_ORDER]; @@ -324,6 +459,12 @@ int main(void) { test_exhaustive_sign(ctx, group, EXHAUSTIVE_TEST_ORDER); test_exhaustive_verify(ctx, group, EXHAUSTIVE_TEST_ORDER); +#ifdef ENABLE_MODULE_RECOVERY + test_exhaustive_recovery_sign(ctx, group, EXHAUSTIVE_TEST_ORDER); + test_exhaustive_recovery_verify(ctx, group, EXHAUSTIVE_TEST_ORDER); +#endif + + secp256k1_context_destroy(ctx); return 0; } diff --git a/src/secp256k1/src/util.h b/src/secp256k1/src/util.h index 4eef4ded47..4092a86c91 100644 --- a/src/secp256k1/src/util.h +++ b/src/secp256k1/src/util.h @@ -57,7 +57,10 @@ static SECP256K1_INLINE void secp256k1_callback_call(const secp256k1_callback * #endif /* Like assert(), but when VERIFY is defined, and side-effect safe. */ -#ifdef VERIFY +#if defined(COVERAGE) +#define VERIFY_CHECK(check) +#define VERIFY_SETUP(stmt) +#elif defined(VERIFY) #define VERIFY_CHECK CHECK #define VERIFY_SETUP(stmt) do { stmt; } while(0) #else diff --git a/src/test/coins_tests.cpp b/src/test/coins_tests.cpp index 31ed1a50b9..4a4e551695 100644 --- a/src/test/coins_tests.cpp +++ b/src/test/coins_tests.cpp @@ -17,35 +17,44 @@ #include <boost/test/unit_test.hpp> -bool ApplyTxInUndo(const CTxInUndo& undo, CCoinsViewCache& view, const COutPoint& out); +int ApplyTxInUndo(Coin&& undo, CCoinsViewCache& view, const COutPoint& out); void UpdateCoins(const CTransaction& tx, CCoinsViewCache& inputs, CTxUndo &txundo, int nHeight); namespace { +//! equality test +bool operator==(const Coin &a, const Coin &b) { + // Empty Coin objects are always equal. + if (a.IsSpent() && b.IsSpent()) return true; + return a.fCoinBase == b.fCoinBase && + a.nHeight == b.nHeight && + a.out == b.out; +} + 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 GetCoin(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.IsSpent() && insecure_rand() % 2 == 0) { // Randomly return false in case of an empty entry. return false; } return true; } - bool HaveCoins(const uint256& txid) const + bool HaveCoin(const COutPoint& outpoint) const { - CCoins coins; - return GetCoins(txid, coins); + Coin coin; + return GetCoin(outpoint, coin); } uint256 GetBestBlock() const { return hashBestBlock_; } @@ -55,8 +64,8 @@ public: for (CCoinsMap::iterator it = mapCoins.begin(); it != mapCoins.end(); ) { if (it->second.flags & CCoinsCacheEntry::DIRTY) { // Same optimization used in CCoinsViewDB is to only write dirty entries. - map_[it->first] = it->second.coins; - if (it->second.coins.IsPruned() && insecure_rand() % 3 == 0) { + map_[it->first] = it->second.coin; + if (it->second.coin.IsSpent() && insecure_rand() % 3 == 0) { // Randomly delete empty entries on write. map_.erase(it->first); } @@ -78,9 +87,12 @@ public: { // Manually recompute the dynamic usage of the whole data, and compare it. size_t ret = memusage::DynamicUsage(cacheCoins); + size_t count = 0; for (CCoinsMap::iterator it = cacheCoins.begin(); it != cacheCoins.end(); it++) { - ret += it->second.coins.DynamicMemoryUsage(); + ret += it->second.coin.DynamicMemoryUsage(); + ++count; } + BOOST_CHECK_EQUAL(GetCacheSize(), count); BOOST_CHECK_EQUAL(DynamicMemoryUsage(), ret); } @@ -97,7 +109,7 @@ 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. // @@ -109,13 +121,15 @@ BOOST_AUTO_TEST_CASE(coins_cache_simulation_test) bool removed_all_caches = false; bool reached_4_caches = false; bool added_an_entry = false; + bool added_an_unspendable_entry = false; bool removed_an_entry = false; bool updated_an_entry = false; bool found_an_entry = false; bool missed_an_entry = false; + bool uncached_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. @@ -133,36 +147,51 @@ 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]; - CCoinsModifier entry = stack.back()->ModifyCoins(txid); - BOOST_CHECK(coins == *entry); - if (insecure_rand() % 5 == 0 || coins.IsPruned()) { - if (coins.IsPruned()) { - added_an_entry = true; + Coin& coin = result[COutPoint(txid, 0)]; + const Coin& entry = (insecure_rand() % 500 == 0) ? AccessByTxid(*stack.back(), txid) : stack.back()->AccessCoin(COutPoint(txid, 0)); + BOOST_CHECK(coin == entry); + + if (insecure_rand() % 5 == 0 || coin.IsSpent()) { + Coin newcoin; + newcoin.out.nValue = insecure_rand(); + newcoin.nHeight = 1; + if (insecure_rand() % 16 == 0 && coin.IsSpent()) { + newcoin.out.scriptPubKey.assign(1 + (insecure_rand() & 0x3F), OP_RETURN); + BOOST_CHECK(newcoin.out.scriptPubKey.IsUnspendable()); + added_an_unspendable_entry = true; } else { - updated_an_entry = true; + newcoin.out.scriptPubKey.assign(insecure_rand() & 0x3F, 0); // Random sizes so we can test memory usage accounting + (coin.IsSpent() ? added_an_entry : updated_an_entry) = true; + coin = newcoin; } - coins.nVersion = insecure_rand(); - coins.vout.resize(1); - coins.vout[0].nValue = insecure_rand(); - *entry = coins; + stack.back()->AddCoin(COutPoint(txid, 0), std::move(newcoin), !coin.IsSpent() || insecure_rand() & 1); } else { - coins.Clear(); - entry->Clear(); removed_an_entry = true; + coin.Clear(); + stack.back()->SpendCoin(COutPoint(txid, 0)); } } + // One every 10 iterations, remove a random entry from the cache + if (insecure_rand() % 10) { + COutPoint out(txids[insecure_rand() % txids.size()], 0); + int cacheid = insecure_rand() % stack.size(); + stack[cacheid]->Uncache(out); + uncached_an_entry |= !stack[cacheid]->HaveCoinInCache(out); + } + // 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++) { + bool have = stack.back()->HaveCoin(it->first); + const Coin& coin = stack.back()->AccessCoin(it->first); + BOOST_CHECK(have == !coin.IsSpent()); + BOOST_CHECK(coin == it->second); + if (coin.IsSpent()) { missed_an_entry = true; + } else { + BOOST_CHECK(stack.back()->HaveCoinInCache(it->first)); + found_an_entry = true; } } BOOST_FOREACH(const CCoinsViewCacheTest *test, stack) { @@ -211,25 +240,27 @@ BOOST_AUTO_TEST_CASE(coins_cache_simulation_test) BOOST_CHECK(removed_all_caches); BOOST_CHECK(reached_4_caches); BOOST_CHECK(added_an_entry); + BOOST_CHECK(added_an_unspendable_entry); BOOST_CHECK(removed_an_entry); BOOST_CHECK(updated_an_entry); BOOST_CHECK(found_an_entry); BOOST_CHECK(missed_an_entry); + BOOST_CHECK(uncached_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; } @@ -242,7 +273,7 @@ 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. @@ -250,10 +281,10 @@ 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> coinbase_coins; + std::set<COutPoint> disconnected_coins; + std::set<COutPoint> duplicate_coins; + std::set<COutPoint> utxoset; for (unsigned int i = 0; i < NUM_SIMULATION_ITERATIONS; i++) { uint32_t randiter = insecure_rand(); @@ -264,23 +295,24 @@ BOOST_AUTO_TEST_CASE(updatecoins_simulation_test) tx.vin.resize(1); tx.vout.resize(1); tx.vout[0].nValue = i; //Keep txs unique unless intended to duplicate + tx.vout[0].scriptPubKey.assign(insecure_rand() & 0x3F, 0); // Random sizes so we can test memory usage accounting unsigned int height = insecure_rand(); - CCoins oldcoins; + Coin old_coin; // 2/20 times create a new coinbase - if (randiter % 20 < 2 || coinbaseids.size() < 10) { + if (randiter % 20 < 2 || coinbase_coins.size() < 10) { // 1/10 of those times create a duplicate coinbase - if (insecure_rand() % 10 == 0 && coinbaseids.size()) { - TxData &txd = FindRandomFrom(coinbaseids); + if (insecure_rand() % 10 == 0 && coinbase_coins.size()) { + auto utxod = FindRandomFrom(coinbase_coins); // 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()); + disconnected_coins.erase(utxod->first); - duplicateids.insert(tx.GetHash()); + duplicate_coins.insert(utxod->first); } else { - coinbaseids.insert(tx.GetHash()); + coinbase_coins.insert(COutPoint(tx.GetHash(), 0)); } assert(CTransaction(tx).IsCoinBase()); } @@ -288,114 +320,118 @@ 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()); + if (randiter % 20 == 2 && disconnected_coins.size()) { + auto utxod = FindRandomFrom(disconnected_coins); + tx = std::get<0>(utxod->second); + prevout = tx.vin[0].prevout; + if (!CTransaction(tx).IsCoinBase() && !utxoset.count(prevout)) { + disconnected_coins.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(duplicate_coins.count(utxod->first)); } - disconnectedids.erase(tx.GetHash()); + disconnected_coins.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]; + old_coin = 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 (duplicate_coins.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))); - } - - //1/20 times undo a previous transaction - else if (utxoset.size()) { - TxData &txd = FindRandomFrom(utxoset); + utxoData.emplace(outpoint, std::make_tuple(tx,undo,old_coin)); + } else if (utxoset.size()) { + //1/20 times undo a previous transaction + auto utxod = FindRandomFrom(utxoset); - CTransaction &tx = std::get<0>(txd); - CTxUndo &undo = std::get<1>(txd); - CCoins &origcoins = std::get<2>(txd); - - uint256 undohash = tx.GetHash(); + CTransaction &tx = std::get<0>(utxod->second); + CTxUndo &undo = std::get<1>(utxod->second); + Coin &orig_coin = 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] = orig_coin; } // Disconnect the tx from the current UTXO // See code in DisconnectBlock // remove outputs - { - CCoinsModifier outs = stack.back()->ModifyCoins(undohash); - outs->Clear(); - } + stack.back()->SpendCoin(utxod->first); // restore inputs if (!tx.IsCoinBase()) { const COutPoint &out = tx.vin[0].prevout; - const CTxInUndo &undoin = undo.vprevout[0]; - ApplyTxInUndo(undoin, *(stack.back()), out); + Coin coin = undo.vprevout[0]; + ApplyTxInUndo(std::move(coin), *(stack.back()), out); } // Store as a candidate for reconnection - disconnectedids.insert(undohash); + disconnected_coins.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++) { + bool have = stack.back()->HaveCoin(it->first); + const Coin& coin = stack.back()->AccessCoin(it->first); + BOOST_CHECK(have == !coin.IsSpent()); + BOOST_CHECK(coin == it->second); } } + // One every 10 iterations, remove a random entry from the cache + if (utxoset.size() > 1 && insecure_rand() % 30) { + stack[insecure_rand() % stack.size()]->Uncache(FindRandomFrom(utxoset)->first); + } + if (disconnected_coins.size() > 1 && insecure_rand() % 30) { + stack[insecure_rand() % stack.size()]->Uncache(FindRandomFrom(disconnected_coins)->first); + } + if (duplicate_coins.size() > 1 && insecure_rand() % 30) { + stack[insecure_rand() % stack.size()]->Uncache(FindRandomFrom(duplicate_coins)->first); + } + if (insecure_rand() % 100 == 0) { // Every 100 iterations, flush an intermediate cache if (stack.size() > 1 && insecure_rand() % 2 == 0) { @@ -433,53 +469,36 @@ 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.nVersion, 1); 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.nVersion, 1); 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.nVersion, 0); 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) { @@ -490,16 +509,16 @@ 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; const static CAmount PRUNED = -1; const static CAmount ABSENT = -2; const static CAmount FAIL = -3; @@ -514,15 +533,15 @@ 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.IsSpent()); if (value != PRUNED) { - coins.vout.emplace_back(); - coins.vout.back().nValue = value; - assert(!coins.IsPruned()); + coin.out.nValue = value; + coin.nHeight = 1; + assert(!coin.IsSpent()); } } @@ -535,25 +554,23 @@ size_t InsertCoinsMapEntry(CCoinsMap& map, CAmount value, char flags) assert(flags != NO_ENTRY); CCoinsCacheEntry entry; entry.flags = flags; - SetCoinsValue(value, entry.coins); - auto inserted = map.emplace(TXID, std::move(entry)); + SetCoinsValue(value, entry.coin); + auto inserted = map.emplace(OUTPOINT, std::move(entry)); assert(inserted.second); - return inserted.first->second.coins.DynamicMemoryUsage(); + return inserted.first->second.coin.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); + if (it->second.coin.IsSpent()) { value = PRUNED; } else { - assert(it->second.coins.vout.size() == 1); - value = it->second.coins.vout[0].nValue; + value = it->second.coin.out.nValue; } flags = it->second.flags; assert(flags != NO_ENTRY); @@ -581,10 +598,10 @@ public: CCoinsViewCacheTest cache{&base}; }; -void CheckAccessCoins(CAmount base_value, CAmount cache_value, CAmount expected_value, char cache_flags, char expected_flags) +void CheckAccessCoin(CAmount base_value, CAmount cache_value, CAmount expected_value, char cache_flags, char expected_flags) { SingleEntryCacheTest test(base_value, cache_value, cache_flags); - test.cache.AccessCoins(TXID); + test.cache.AccessCoin(OUTPOINT); test.cache.SelfTest(); CAmount result_value; @@ -603,39 +620,39 @@ BOOST_AUTO_TEST_CASE(ccoins_access) * Base Cache Result Cache Result * Value Value Value Flags Flags */ - CheckAccessCoins(ABSENT, ABSENT, ABSENT, NO_ENTRY , NO_ENTRY ); - CheckAccessCoins(ABSENT, PRUNED, PRUNED, 0 , 0 ); - CheckAccessCoins(ABSENT, PRUNED, PRUNED, FRESH , FRESH ); - CheckAccessCoins(ABSENT, PRUNED, PRUNED, DIRTY , DIRTY ); - CheckAccessCoins(ABSENT, PRUNED, PRUNED, DIRTY|FRESH, DIRTY|FRESH); - CheckAccessCoins(ABSENT, VALUE2, VALUE2, 0 , 0 ); - CheckAccessCoins(ABSENT, VALUE2, VALUE2, FRESH , FRESH ); - CheckAccessCoins(ABSENT, VALUE2, VALUE2, DIRTY , DIRTY ); - CheckAccessCoins(ABSENT, VALUE2, VALUE2, DIRTY|FRESH, DIRTY|FRESH); - CheckAccessCoins(PRUNED, ABSENT, PRUNED, NO_ENTRY , FRESH ); - CheckAccessCoins(PRUNED, PRUNED, PRUNED, 0 , 0 ); - CheckAccessCoins(PRUNED, PRUNED, PRUNED, FRESH , FRESH ); - CheckAccessCoins(PRUNED, PRUNED, PRUNED, DIRTY , DIRTY ); - CheckAccessCoins(PRUNED, PRUNED, PRUNED, DIRTY|FRESH, DIRTY|FRESH); - CheckAccessCoins(PRUNED, VALUE2, VALUE2, 0 , 0 ); - CheckAccessCoins(PRUNED, VALUE2, VALUE2, FRESH , FRESH ); - CheckAccessCoins(PRUNED, VALUE2, VALUE2, DIRTY , DIRTY ); - CheckAccessCoins(PRUNED, VALUE2, VALUE2, DIRTY|FRESH, DIRTY|FRESH); - CheckAccessCoins(VALUE1, ABSENT, VALUE1, NO_ENTRY , 0 ); - CheckAccessCoins(VALUE1, PRUNED, PRUNED, 0 , 0 ); - CheckAccessCoins(VALUE1, PRUNED, PRUNED, FRESH , FRESH ); - CheckAccessCoins(VALUE1, PRUNED, PRUNED, DIRTY , DIRTY ); - CheckAccessCoins(VALUE1, PRUNED, PRUNED, DIRTY|FRESH, DIRTY|FRESH); - CheckAccessCoins(VALUE1, VALUE2, VALUE2, 0 , 0 ); - CheckAccessCoins(VALUE1, VALUE2, VALUE2, FRESH , FRESH ); - CheckAccessCoins(VALUE1, VALUE2, VALUE2, DIRTY , DIRTY ); - CheckAccessCoins(VALUE1, VALUE2, VALUE2, DIRTY|FRESH, DIRTY|FRESH); + CheckAccessCoin(ABSENT, ABSENT, ABSENT, NO_ENTRY , NO_ENTRY ); + CheckAccessCoin(ABSENT, PRUNED, PRUNED, 0 , 0 ); + CheckAccessCoin(ABSENT, PRUNED, PRUNED, FRESH , FRESH ); + CheckAccessCoin(ABSENT, PRUNED, PRUNED, DIRTY , DIRTY ); + CheckAccessCoin(ABSENT, PRUNED, PRUNED, DIRTY|FRESH, DIRTY|FRESH); + CheckAccessCoin(ABSENT, VALUE2, VALUE2, 0 , 0 ); + CheckAccessCoin(ABSENT, VALUE2, VALUE2, FRESH , FRESH ); + CheckAccessCoin(ABSENT, VALUE2, VALUE2, DIRTY , DIRTY ); + CheckAccessCoin(ABSENT, VALUE2, VALUE2, DIRTY|FRESH, DIRTY|FRESH); + CheckAccessCoin(PRUNED, ABSENT, PRUNED, NO_ENTRY , FRESH ); + CheckAccessCoin(PRUNED, PRUNED, PRUNED, 0 , 0 ); + CheckAccessCoin(PRUNED, PRUNED, PRUNED, FRESH , FRESH ); + CheckAccessCoin(PRUNED, PRUNED, PRUNED, DIRTY , DIRTY ); + CheckAccessCoin(PRUNED, PRUNED, PRUNED, DIRTY|FRESH, DIRTY|FRESH); + CheckAccessCoin(PRUNED, VALUE2, VALUE2, 0 , 0 ); + CheckAccessCoin(PRUNED, VALUE2, VALUE2, FRESH , FRESH ); + CheckAccessCoin(PRUNED, VALUE2, VALUE2, DIRTY , DIRTY ); + CheckAccessCoin(PRUNED, VALUE2, VALUE2, DIRTY|FRESH, DIRTY|FRESH); + CheckAccessCoin(VALUE1, ABSENT, VALUE1, NO_ENTRY , 0 ); + CheckAccessCoin(VALUE1, PRUNED, PRUNED, 0 , 0 ); + CheckAccessCoin(VALUE1, PRUNED, PRUNED, FRESH , FRESH ); + CheckAccessCoin(VALUE1, PRUNED, PRUNED, DIRTY , DIRTY ); + CheckAccessCoin(VALUE1, PRUNED, PRUNED, DIRTY|FRESH, DIRTY|FRESH); + CheckAccessCoin(VALUE1, VALUE2, VALUE2, 0 , 0 ); + CheckAccessCoin(VALUE1, VALUE2, VALUE2, FRESH , FRESH ); + CheckAccessCoin(VALUE1, VALUE2, VALUE2, DIRTY , DIRTY ); + CheckAccessCoin(VALUE1, VALUE2, VALUE2, DIRTY|FRESH, DIRTY|FRESH); } -void CheckModifyCoins(CAmount base_value, CAmount cache_value, CAmount modify_value, CAmount expected_value, char cache_flags, char expected_flags) +void CheckSpendCoins(CAmount base_value, CAmount cache_value, CAmount expected_value, char cache_flags, char expected_flags) { SingleEntryCacheTest test(base_value, cache_value, cache_flags); - SetCoinsValue(modify_value, *test.cache.ModifyCoins(TXID)); + test.cache.SpendCoin(OUTPOINT); test.cache.SelfTest(); CAmount result_value; @@ -645,79 +662,55 @@ void CheckModifyCoins(CAmount base_value, CAmount cache_value, CAmount modify_va BOOST_CHECK_EQUAL(result_flags, expected_flags); }; -BOOST_AUTO_TEST_CASE(ccoins_modify) +BOOST_AUTO_TEST_CASE(ccoins_spend) { - /* Check ModifyCoin behavior, requesting a coin from a cache view layered on - * top of a base view, writing a modification to the coin, and then checking + /* Check SpendCoin behavior, requesting a coin from a cache view layered on + * top of a base view, spending, and then checking * the resulting entry in the cache after the modification. * - * Base Cache Write Result Cache Result - * Value Value Value Value Flags Flags + * Base Cache Result Cache Result + * Value Value Value Flags Flags */ - CheckModifyCoins(ABSENT, ABSENT, PRUNED, ABSENT, NO_ENTRY , NO_ENTRY ); - CheckModifyCoins(ABSENT, ABSENT, VALUE3, VALUE3, NO_ENTRY , DIRTY|FRESH); - CheckModifyCoins(ABSENT, PRUNED, PRUNED, PRUNED, 0 , DIRTY ); - CheckModifyCoins(ABSENT, PRUNED, PRUNED, ABSENT, FRESH , NO_ENTRY ); - CheckModifyCoins(ABSENT, PRUNED, PRUNED, PRUNED, DIRTY , DIRTY ); - CheckModifyCoins(ABSENT, PRUNED, PRUNED, ABSENT, DIRTY|FRESH, NO_ENTRY ); - CheckModifyCoins(ABSENT, PRUNED, VALUE3, VALUE3, 0 , DIRTY ); - CheckModifyCoins(ABSENT, PRUNED, VALUE3, VALUE3, FRESH , DIRTY|FRESH); - CheckModifyCoins(ABSENT, PRUNED, VALUE3, VALUE3, DIRTY , DIRTY ); - CheckModifyCoins(ABSENT, PRUNED, VALUE3, VALUE3, DIRTY|FRESH, DIRTY|FRESH); - CheckModifyCoins(ABSENT, VALUE2, PRUNED, PRUNED, 0 , DIRTY ); - CheckModifyCoins(ABSENT, VALUE2, PRUNED, ABSENT, FRESH , NO_ENTRY ); - CheckModifyCoins(ABSENT, VALUE2, PRUNED, PRUNED, DIRTY , DIRTY ); - CheckModifyCoins(ABSENT, VALUE2, PRUNED, ABSENT, DIRTY|FRESH, NO_ENTRY ); - CheckModifyCoins(ABSENT, VALUE2, VALUE3, VALUE3, 0 , DIRTY ); - CheckModifyCoins(ABSENT, VALUE2, VALUE3, VALUE3, FRESH , DIRTY|FRESH); - CheckModifyCoins(ABSENT, VALUE2, VALUE3, VALUE3, DIRTY , DIRTY ); - CheckModifyCoins(ABSENT, VALUE2, VALUE3, VALUE3, DIRTY|FRESH, DIRTY|FRESH); - CheckModifyCoins(PRUNED, ABSENT, PRUNED, ABSENT, NO_ENTRY , NO_ENTRY ); - CheckModifyCoins(PRUNED, ABSENT, VALUE3, VALUE3, NO_ENTRY , DIRTY|FRESH); - CheckModifyCoins(PRUNED, PRUNED, PRUNED, PRUNED, 0 , DIRTY ); - CheckModifyCoins(PRUNED, PRUNED, PRUNED, ABSENT, FRESH , NO_ENTRY ); - CheckModifyCoins(PRUNED, PRUNED, PRUNED, PRUNED, DIRTY , DIRTY ); - CheckModifyCoins(PRUNED, PRUNED, PRUNED, ABSENT, DIRTY|FRESH, NO_ENTRY ); - CheckModifyCoins(PRUNED, PRUNED, VALUE3, VALUE3, 0 , DIRTY ); - CheckModifyCoins(PRUNED, PRUNED, VALUE3, VALUE3, FRESH , DIRTY|FRESH); - CheckModifyCoins(PRUNED, PRUNED, VALUE3, VALUE3, DIRTY , DIRTY ); - CheckModifyCoins(PRUNED, PRUNED, VALUE3, VALUE3, DIRTY|FRESH, DIRTY|FRESH); - CheckModifyCoins(PRUNED, VALUE2, PRUNED, PRUNED, 0 , DIRTY ); - CheckModifyCoins(PRUNED, VALUE2, PRUNED, ABSENT, FRESH , NO_ENTRY ); - CheckModifyCoins(PRUNED, VALUE2, PRUNED, PRUNED, DIRTY , DIRTY ); - CheckModifyCoins(PRUNED, VALUE2, PRUNED, ABSENT, DIRTY|FRESH, NO_ENTRY ); - CheckModifyCoins(PRUNED, VALUE2, VALUE3, VALUE3, 0 , DIRTY ); - CheckModifyCoins(PRUNED, VALUE2, VALUE3, VALUE3, FRESH , DIRTY|FRESH); - CheckModifyCoins(PRUNED, VALUE2, VALUE3, VALUE3, DIRTY , DIRTY ); - CheckModifyCoins(PRUNED, VALUE2, VALUE3, VALUE3, DIRTY|FRESH, DIRTY|FRESH); - CheckModifyCoins(VALUE1, ABSENT, PRUNED, PRUNED, NO_ENTRY , DIRTY ); - CheckModifyCoins(VALUE1, ABSENT, VALUE3, VALUE3, NO_ENTRY , DIRTY ); - CheckModifyCoins(VALUE1, PRUNED, PRUNED, PRUNED, 0 , DIRTY ); - CheckModifyCoins(VALUE1, PRUNED, PRUNED, ABSENT, FRESH , NO_ENTRY ); - CheckModifyCoins(VALUE1, PRUNED, PRUNED, PRUNED, DIRTY , DIRTY ); - CheckModifyCoins(VALUE1, PRUNED, PRUNED, ABSENT, DIRTY|FRESH, NO_ENTRY ); - CheckModifyCoins(VALUE1, PRUNED, VALUE3, VALUE3, 0 , DIRTY ); - CheckModifyCoins(VALUE1, PRUNED, VALUE3, VALUE3, FRESH , DIRTY|FRESH); - CheckModifyCoins(VALUE1, PRUNED, VALUE3, VALUE3, DIRTY , DIRTY ); - CheckModifyCoins(VALUE1, PRUNED, VALUE3, VALUE3, DIRTY|FRESH, DIRTY|FRESH); - CheckModifyCoins(VALUE1, VALUE2, PRUNED, PRUNED, 0 , DIRTY ); - CheckModifyCoins(VALUE1, VALUE2, PRUNED, ABSENT, FRESH , NO_ENTRY ); - CheckModifyCoins(VALUE1, VALUE2, PRUNED, PRUNED, DIRTY , DIRTY ); - CheckModifyCoins(VALUE1, VALUE2, PRUNED, ABSENT, DIRTY|FRESH, NO_ENTRY ); - CheckModifyCoins(VALUE1, VALUE2, VALUE3, VALUE3, 0 , DIRTY ); - CheckModifyCoins(VALUE1, VALUE2, VALUE3, VALUE3, FRESH , DIRTY|FRESH); - CheckModifyCoins(VALUE1, VALUE2, VALUE3, VALUE3, DIRTY , DIRTY ); - CheckModifyCoins(VALUE1, VALUE2, VALUE3, VALUE3, DIRTY|FRESH, DIRTY|FRESH); + CheckSpendCoins(ABSENT, ABSENT, ABSENT, NO_ENTRY , NO_ENTRY ); + CheckSpendCoins(ABSENT, PRUNED, PRUNED, 0 , DIRTY ); + CheckSpendCoins(ABSENT, PRUNED, ABSENT, FRESH , NO_ENTRY ); + CheckSpendCoins(ABSENT, PRUNED, PRUNED, DIRTY , DIRTY ); + CheckSpendCoins(ABSENT, PRUNED, ABSENT, DIRTY|FRESH, NO_ENTRY ); + CheckSpendCoins(ABSENT, VALUE2, PRUNED, 0 , DIRTY ); + CheckSpendCoins(ABSENT, VALUE2, ABSENT, FRESH , NO_ENTRY ); + CheckSpendCoins(ABSENT, VALUE2, PRUNED, DIRTY , DIRTY ); + CheckSpendCoins(ABSENT, VALUE2, ABSENT, DIRTY|FRESH, NO_ENTRY ); + CheckSpendCoins(PRUNED, ABSENT, ABSENT, NO_ENTRY , NO_ENTRY ); + CheckSpendCoins(PRUNED, PRUNED, PRUNED, 0 , DIRTY ); + CheckSpendCoins(PRUNED, PRUNED, ABSENT, FRESH , NO_ENTRY ); + CheckSpendCoins(PRUNED, PRUNED, PRUNED, DIRTY , DIRTY ); + CheckSpendCoins(PRUNED, PRUNED, ABSENT, DIRTY|FRESH, NO_ENTRY ); + CheckSpendCoins(PRUNED, VALUE2, PRUNED, 0 , DIRTY ); + CheckSpendCoins(PRUNED, VALUE2, ABSENT, FRESH , NO_ENTRY ); + CheckSpendCoins(PRUNED, VALUE2, PRUNED, DIRTY , DIRTY ); + CheckSpendCoins(PRUNED, VALUE2, ABSENT, DIRTY|FRESH, NO_ENTRY ); + CheckSpendCoins(VALUE1, ABSENT, PRUNED, NO_ENTRY , DIRTY ); + CheckSpendCoins(VALUE1, PRUNED, PRUNED, 0 , DIRTY ); + CheckSpendCoins(VALUE1, PRUNED, ABSENT, FRESH , NO_ENTRY ); + CheckSpendCoins(VALUE1, PRUNED, PRUNED, DIRTY , DIRTY ); + CheckSpendCoins(VALUE1, PRUNED, ABSENT, DIRTY|FRESH, NO_ENTRY ); + CheckSpendCoins(VALUE1, VALUE2, PRUNED, 0 , DIRTY ); + CheckSpendCoins(VALUE1, VALUE2, ABSENT, FRESH , NO_ENTRY ); + CheckSpendCoins(VALUE1, VALUE2, PRUNED, DIRTY , DIRTY ); + CheckSpendCoins(VALUE1, VALUE2, ABSENT, DIRTY|FRESH, NO_ENTRY ); } -void CheckModifyNewCoinsBase(CAmount base_value, CAmount cache_value, CAmount modify_value, CAmount expected_value, char cache_flags, char expected_flags, bool coinbase) +void CheckAddCoinBase(CAmount base_value, CAmount cache_value, CAmount modify_value, CAmount expected_value, char cache_flags, char expected_flags, bool coinbase) { SingleEntryCacheTest test(base_value, cache_value, cache_flags); CAmount result_value; char result_flags; try { - SetCoinsValue(modify_value, *test.cache.ModifyNewCoins(TXID, coinbase)); + CTxOut output; + output.nValue = modify_value; + test.cache.AddCoin(OUTPOINT, Coin(std::move(output), 1, coinbase), coinbase); + test.cache.SelfTest(); GetCoinsMapEntry(test.cache.map(), result_value, result_flags); } catch (std::logic_error& e) { result_value = FAIL; @@ -728,64 +721,46 @@ void CheckModifyNewCoinsBase(CAmount base_value, CAmount cache_value, CAmount mo BOOST_CHECK_EQUAL(result_flags, expected_flags); } -// Simple wrapper for CheckModifyNewCoinsBase function above that loops through +// Simple wrapper for CheckAddCoinBase function above that loops through // different possible base_values, making sure each one gives the same results. -// This wrapper lets the modify_new test below be shorter and less repetitive, -// while still verifying that the CoinsViewCache::ModifyNewCoins implementation +// This wrapper lets the coins_add test below be shorter and less repetitive, +// while still verifying that the CoinsViewCache::AddCoin implementation // ignores base values. template <typename... Args> -void CheckModifyNewCoins(Args&&... args) +void CheckAddCoin(Args&&... args) { for (CAmount base_value : {ABSENT, PRUNED, VALUE1}) - CheckModifyNewCoinsBase(base_value, std::forward<Args>(args)...); + CheckAddCoinBase(base_value, std::forward<Args>(args)...); } -BOOST_AUTO_TEST_CASE(ccoins_modify_new) +BOOST_AUTO_TEST_CASE(ccoins_add) { - /* Check ModifyNewCoin behavior, requesting a new coin from a cache view, + /* Check AddCoin behavior, requesting a new coin from a cache view, * writing a modification to the coin, and then checking the resulting * entry in the cache after the modification. Verify behavior with the - * with the ModifyNewCoin coinbase argument set to false, and to true. + * with the AddCoin potential_overwrite argument set to false, and to true. * - * Cache Write Result Cache Result Coinbase - * Value Value Value Flags Flags + * Cache Write Result Cache Result potential_overwrite + * Value Value Value Flags Flags */ - CheckModifyNewCoins(ABSENT, PRUNED, ABSENT, NO_ENTRY , NO_ENTRY , false); - CheckModifyNewCoins(ABSENT, PRUNED, PRUNED, NO_ENTRY , DIRTY , true ); - CheckModifyNewCoins(ABSENT, VALUE3, VALUE3, NO_ENTRY , DIRTY|FRESH, false); - CheckModifyNewCoins(ABSENT, VALUE3, VALUE3, NO_ENTRY , DIRTY , true ); - CheckModifyNewCoins(PRUNED, PRUNED, ABSENT, 0 , NO_ENTRY , false); - CheckModifyNewCoins(PRUNED, PRUNED, PRUNED, 0 , DIRTY , true ); - CheckModifyNewCoins(PRUNED, PRUNED, ABSENT, FRESH , NO_ENTRY , false); - CheckModifyNewCoins(PRUNED, PRUNED, ABSENT, FRESH , NO_ENTRY , true ); - CheckModifyNewCoins(PRUNED, PRUNED, PRUNED, DIRTY , DIRTY , false); - CheckModifyNewCoins(PRUNED, PRUNED, PRUNED, DIRTY , DIRTY , true ); - CheckModifyNewCoins(PRUNED, PRUNED, ABSENT, DIRTY|FRESH, NO_ENTRY , false); - CheckModifyNewCoins(PRUNED, PRUNED, ABSENT, DIRTY|FRESH, NO_ENTRY , true ); - CheckModifyNewCoins(PRUNED, VALUE3, VALUE3, 0 , DIRTY|FRESH, false); - CheckModifyNewCoins(PRUNED, VALUE3, VALUE3, 0 , DIRTY , true ); - CheckModifyNewCoins(PRUNED, VALUE3, VALUE3, FRESH , DIRTY|FRESH, false); - CheckModifyNewCoins(PRUNED, VALUE3, VALUE3, FRESH , DIRTY|FRESH, true ); - CheckModifyNewCoins(PRUNED, VALUE3, VALUE3, DIRTY , DIRTY , false); - CheckModifyNewCoins(PRUNED, VALUE3, VALUE3, DIRTY , DIRTY , true ); - CheckModifyNewCoins(PRUNED, VALUE3, VALUE3, DIRTY|FRESH, DIRTY|FRESH, false); - CheckModifyNewCoins(PRUNED, VALUE3, VALUE3, DIRTY|FRESH, DIRTY|FRESH, true ); - CheckModifyNewCoins(VALUE2, PRUNED, FAIL , 0 , NO_ENTRY , false); - CheckModifyNewCoins(VALUE2, PRUNED, PRUNED, 0 , DIRTY , true ); - CheckModifyNewCoins(VALUE2, PRUNED, FAIL , FRESH , NO_ENTRY , false); - CheckModifyNewCoins(VALUE2, PRUNED, ABSENT, FRESH , NO_ENTRY , true ); - CheckModifyNewCoins(VALUE2, PRUNED, FAIL , DIRTY , NO_ENTRY , false); - CheckModifyNewCoins(VALUE2, PRUNED, PRUNED, DIRTY , DIRTY , true ); - CheckModifyNewCoins(VALUE2, PRUNED, FAIL , DIRTY|FRESH, NO_ENTRY , false); - CheckModifyNewCoins(VALUE2, PRUNED, ABSENT, DIRTY|FRESH, NO_ENTRY , true ); - CheckModifyNewCoins(VALUE2, VALUE3, FAIL , 0 , NO_ENTRY , false); - CheckModifyNewCoins(VALUE2, VALUE3, VALUE3, 0 , DIRTY , true ); - CheckModifyNewCoins(VALUE2, VALUE3, FAIL , FRESH , NO_ENTRY , false); - CheckModifyNewCoins(VALUE2, VALUE3, VALUE3, FRESH , DIRTY|FRESH, true ); - CheckModifyNewCoins(VALUE2, VALUE3, FAIL , DIRTY , NO_ENTRY , false); - CheckModifyNewCoins(VALUE2, VALUE3, VALUE3, DIRTY , DIRTY , true ); - CheckModifyNewCoins(VALUE2, VALUE3, FAIL , DIRTY|FRESH, NO_ENTRY , false); - CheckModifyNewCoins(VALUE2, VALUE3, VALUE3, DIRTY|FRESH, DIRTY|FRESH, true ); + CheckAddCoin(ABSENT, VALUE3, VALUE3, NO_ENTRY , DIRTY|FRESH, false); + CheckAddCoin(ABSENT, VALUE3, VALUE3, NO_ENTRY , DIRTY , true ); + CheckAddCoin(PRUNED, VALUE3, VALUE3, 0 , DIRTY|FRESH, false); + CheckAddCoin(PRUNED, VALUE3, VALUE3, 0 , DIRTY , true ); + CheckAddCoin(PRUNED, VALUE3, VALUE3, FRESH , DIRTY|FRESH, false); + CheckAddCoin(PRUNED, VALUE3, VALUE3, FRESH , DIRTY|FRESH, true ); + CheckAddCoin(PRUNED, VALUE3, VALUE3, DIRTY , DIRTY , false); + CheckAddCoin(PRUNED, VALUE3, VALUE3, DIRTY , DIRTY , true ); + CheckAddCoin(PRUNED, VALUE3, VALUE3, DIRTY|FRESH, DIRTY|FRESH, false); + CheckAddCoin(PRUNED, VALUE3, VALUE3, DIRTY|FRESH, DIRTY|FRESH, true ); + CheckAddCoin(VALUE2, VALUE3, FAIL , 0 , NO_ENTRY , false); + CheckAddCoin(VALUE2, VALUE3, VALUE3, 0 , DIRTY , true ); + CheckAddCoin(VALUE2, VALUE3, FAIL , FRESH , NO_ENTRY , false); + CheckAddCoin(VALUE2, VALUE3, VALUE3, FRESH , DIRTY|FRESH, true ); + CheckAddCoin(VALUE2, VALUE3, FAIL , DIRTY , NO_ENTRY , false); + CheckAddCoin(VALUE2, VALUE3, VALUE3, DIRTY , DIRTY , true ); + CheckAddCoin(VALUE2, VALUE3, FAIL , DIRTY|FRESH, NO_ENTRY , false); + CheckAddCoin(VALUE2, VALUE3, VALUE3, DIRTY|FRESH, DIRTY|FRESH, true ); } void CheckWriteCoins(CAmount parent_value, CAmount child_value, CAmount expected_value, char parent_flags, char child_flags, char expected_flags) diff --git a/src/test/hash_tests.cpp b/src/test/hash_tests.cpp index d8de765db1..bb7e473248 100644 --- a/src/test/hash_tests.cpp +++ b/src/test/hash_tests.cpp @@ -128,6 +128,23 @@ BOOST_AUTO_TEST_CASE(siphash) tx.nVersion = 1; ss << tx; BOOST_CHECK_EQUAL(SipHashUint256(1, 2, ss.GetHash()), 0x79751e980c2a0a35ULL); + + // Check consistency between CSipHasher and SipHashUint256[Extra]. + FastRandomContext ctx; + for (int i = 0; i < 16; ++i) { + uint64_t k1 = ctx.rand64(); + uint64_t k2 = ctx.rand64(); + uint256 x = GetRandHash(); + uint32_t n = ctx.rand32(); + uint8_t nb[4]; + WriteLE32(nb, n); + CSipHasher sip256(k1, k2); + sip256.Write(x.begin(), 32); + CSipHasher sip288 = sip256; + sip288.Write(nb, 4); + BOOST_CHECK_EQUAL(SipHashUint256(k1, k2, x), sip256.Finalize()); + BOOST_CHECK_EQUAL(SipHashUint256Extra(k1, k2, x, n), sip288.Finalize()); + } } BOOST_AUTO_TEST_SUITE_END() diff --git a/src/test/script_P2SH_tests.cpp b/src/test/script_P2SH_tests.cpp index ede68f23d7..0789b2e80c 100644 --- a/src/test/script_P2SH_tests.cpp +++ b/src/test/script_P2SH_tests.cpp @@ -112,7 +112,8 @@ BOOST_AUTO_TEST_CASE(sign) { CScript sigSave = txTo[i].vin[0].scriptSig; txTo[i].vin[0].scriptSig = txTo[j].vin[0].scriptSig; - bool sigOK = CScriptCheck(CCoins(txFrom, 0), txTo[i], 0, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_STRICTENC, false, &txdata)(); + const CTxOut& output = txFrom.vout[txTo[i].vin[0].prevout.n]; + bool sigOK = CScriptCheck(output.scriptPubKey, output.nValue, txTo[i], 0, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_STRICTENC, false, &txdata)(); if (i == j) BOOST_CHECK_MESSAGE(sigOK, strprintf("VerifySignature %d %d", i, j)); else @@ -316,7 +317,7 @@ BOOST_AUTO_TEST_CASE(AreInputsStandard) txFrom.vout[6].scriptPubKey = GetScriptForDestination(CScriptID(twentySigops)); txFrom.vout[6].nValue = 6000; - coins.ModifyCoins(txFrom.GetHash())->FromTx(txFrom, 0); + AddCoins(coins, txFrom, 0); CMutableTransaction txTo; txTo.vout.resize(1); diff --git a/src/test/sigopcount_tests.cpp b/src/test/sigopcount_tests.cpp index 92781d763d..4e117448fe 100644 --- a/src/test/sigopcount_tests.cpp +++ b/src/test/sigopcount_tests.cpp @@ -102,7 +102,7 @@ void BuildTxs(CMutableTransaction& spendingTx, CCoinsViewCache& coins, CMutableT spendingTx.vout[0].nValue = 1; spendingTx.vout[0].scriptPubKey = CScript(); - coins.ModifyCoins(creationTx.GetHash())->FromTx(creationTx, 0); + AddCoins(coins, creationTx, 0); } BOOST_AUTO_TEST_CASE(GetTxSigOpCost) diff --git a/src/test/test_bitcoin_fuzzy.cpp b/src/test/test_bitcoin_fuzzy.cpp index e11e46bb02..de14251601 100644 --- a/src/test/test_bitcoin_fuzzy.cpp +++ b/src/test/test_bitcoin_fuzzy.cpp @@ -168,8 +168,8 @@ int do_fuzz() { try { - CCoins block; - ds >> block; + Coin coin; + ds >> coin; } catch (const std::ios_base::failure& e) {return 0;} break; } diff --git a/src/test/transaction_tests.cpp b/src/test/transaction_tests.cpp index 67610301d7..5c7516fbf1 100644 --- a/src/test/transaction_tests.cpp +++ b/src/test/transaction_tests.cpp @@ -307,14 +307,14 @@ SetupDummyInputs(CBasicKeyStore& keystoreRet, CCoinsViewCache& coinsRet) dummyTransactions[0].vout[0].scriptPubKey << ToByteVector(key[0].GetPubKey()) << OP_CHECKSIG; dummyTransactions[0].vout[1].nValue = 50*CENT; dummyTransactions[0].vout[1].scriptPubKey << ToByteVector(key[1].GetPubKey()) << OP_CHECKSIG; - coinsRet.ModifyCoins(dummyTransactions[0].GetHash())->FromTx(dummyTransactions[0], 0); + AddCoins(coinsRet, dummyTransactions[0], 0); dummyTransactions[1].vout.resize(2); dummyTransactions[1].vout[0].nValue = 21*CENT; dummyTransactions[1].vout[0].scriptPubKey = GetScriptForDestination(key[2].GetPubKey().GetID()); dummyTransactions[1].vout[1].nValue = 22*CENT; dummyTransactions[1].vout[1].scriptPubKey = GetScriptForDestination(key[3].GetPubKey().GetID()); - coinsRet.ModifyCoins(dummyTransactions[1].GetHash())->FromTx(dummyTransactions[1], 0); + AddCoins(coinsRet, dummyTransactions[1], 0); return dummyTransactions; } @@ -470,19 +470,20 @@ BOOST_AUTO_TEST_CASE(test_big_witness_transaction) { for (int i=0; i<20; i++) threadGroup.create_thread(boost::bind(&CCheckQueue<CScriptCheck>::Thread, boost::ref(scriptcheckqueue))); - CCoins coins; - coins.nVersion = 1; - coins.fCoinBase = false; + std::vector<Coin> coins; for(uint32_t i = 0; i < mtx.vin.size(); i++) { - CTxOut txout; - txout.nValue = 1000; - txout.scriptPubKey = scriptPubKey; - coins.vout.push_back(txout); + Coin coin; + coin.nHeight = 1; + coin.fCoinBase = false; + coin.out.nValue = 1000; + coin.out.scriptPubKey = scriptPubKey; + coins.emplace_back(std::move(coin)); } for(uint32_t i = 0; i < mtx.vin.size(); i++) { std::vector<CScriptCheck> vChecks; - CScriptCheck check(coins, tx, i, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS, false, &txdata); + const CTxOut& output = coins[tx.vin[i].prevout.n].out; + CScriptCheck check(output.scriptPubKey, output.nValue, tx, i, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS, false, &txdata); vChecks.push_back(CScriptCheck()); check.swap(vChecks.back()); control.Add(vChecks); diff --git a/src/txdb.cpp b/src/txdb.cpp index 42dc31760b..c8f5090293 100644 --- a/src/txdb.cpp +++ b/src/txdb.cpp @@ -14,6 +14,7 @@ #include <boost/thread.hpp> +static const char DB_COIN = 'C'; static const char DB_COINS = 'c'; static const char DB_BLOCK_FILES = 'f'; static const char DB_TXINDEX = 't'; @@ -24,17 +25,40 @@ static const char DB_FLAG = 'F'; static const char DB_REINDEX_FLAG = 'R'; static const char DB_LAST_BLOCK = 'l'; +namespace { + +struct CoinEntry { + COutPoint* outpoint; + char key; + CoinEntry(const COutPoint* ptr) : outpoint(const_cast<COutPoint*>(ptr)), key(DB_COIN) {} + + template<typename Stream> + void Serialize(Stream &s) const { + s << key; + s << outpoint->hash; + s << VARINT(outpoint->n); + } + + template<typename Stream> + void Unserialize(Stream& s) { + s >> key; + s >> outpoint->hash; + s >> VARINT(outpoint->n); + } +}; + +} CCoinsViewDB::CCoinsViewDB(size_t nCacheSize, bool fMemory, bool fWipe) : db(GetDataDir() / "chainstate", nCacheSize, fMemory, fWipe, true) { } -bool CCoinsViewDB::GetCoins(const uint256 &txid, CCoins &coins) const { - return db.Read(std::make_pair(DB_COINS, txid), coins); +bool CCoinsViewDB::GetCoin(const COutPoint &outpoint, Coin &coin) const { + return db.Read(CoinEntry(&outpoint), coin); } -bool CCoinsViewDB::HaveCoins(const uint256 &txid) const { - return db.Exists(std::make_pair(DB_COINS, txid)); +bool CCoinsViewDB::HaveCoin(const COutPoint &outpoint) const { + return db.Exists(CoinEntry(&outpoint)); } uint256 CCoinsViewDB::GetBestBlock() const { @@ -50,10 +74,11 @@ bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) { size_t changed = 0; for (CCoinsMap::iterator it = mapCoins.begin(); it != mapCoins.end();) { if (it->second.flags & CCoinsCacheEntry::DIRTY) { - if (it->second.coins.IsPruned()) - batch.Erase(std::make_pair(DB_COINS, it->first)); + CoinEntry entry(&it->first); + if (it->second.coin.IsSpent()) + batch.Erase(entry); else - batch.Write(std::make_pair(DB_COINS, it->first), it->second.coins); + batch.Write(entry, it->second.coin); changed++; } count++; @@ -63,8 +88,14 @@ bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) { if (!hashBlock.IsNull()) batch.Write(DB_BEST_BLOCK, hashBlock); - LogPrint(BCLog::COINDB, "Committing %u changed transactions (out of %u) to coin database...\n", (unsigned int)changed, (unsigned int)count); - return db.WriteBatch(batch); + bool ret = db.WriteBatch(batch); + LogPrint(BCLog::COINDB, "Committed %u changed transaction outputs (out of %u) to coin database...\n", (unsigned int)changed, (unsigned int)count); + return ret; +} + +size_t CCoinsViewDB::EstimateSize() const +{ + return db.EstimateSize(DB_COIN, (char)(DB_COIN+1)); } CBlockTreeDB::CBlockTreeDB(size_t nCacheSize, bool fMemory, bool fWipe) : CDBWrapper(GetDataDir() / "blocks" / "index", nCacheSize, fMemory, fWipe) { @@ -96,25 +127,31 @@ CCoinsViewCursor *CCoinsViewDB::Cursor() const /* It seems that there are no "const iterators" for LevelDB. Since we only need read operations on it, use a const-cast to get around that restriction. */ - i->pcursor->Seek(DB_COINS); + i->pcursor->Seek(DB_COIN); // Cache key of first record - i->pcursor->GetKey(i->keyTmp); + if (i->pcursor->Valid()) { + CoinEntry entry(&i->keyTmp.second); + i->pcursor->GetKey(entry); + i->keyTmp.first = entry.key; + } else { + i->keyTmp.first = 0; // Make sure Valid() and GetKey() return false + } return i; } -bool CCoinsViewDBCursor::GetKey(uint256 &key) const +bool CCoinsViewDBCursor::GetKey(COutPoint &key) const { // Return cached key - if (keyTmp.first == DB_COINS) { + if (keyTmp.first == DB_COIN) { key = keyTmp.second; return true; } return false; } -bool CCoinsViewDBCursor::GetValue(CCoins &coins) const +bool CCoinsViewDBCursor::GetValue(Coin &coin) const { - return pcursor->GetValue(coins); + return pcursor->GetValue(coin); } unsigned int CCoinsViewDBCursor::GetValueSize() const @@ -124,14 +161,18 @@ unsigned int CCoinsViewDBCursor::GetValueSize() const bool CCoinsViewDBCursor::Valid() const { - return keyTmp.first == DB_COINS; + return keyTmp.first == DB_COIN; } void CCoinsViewDBCursor::Next() { pcursor->Next(); - if (!pcursor->Valid() || !pcursor->GetKey(keyTmp)) + CoinEntry entry(&keyTmp.second); + if (!pcursor->Valid() || !pcursor->GetKey(entry)) { keyTmp.first = 0; // Invalidate cached key after last record so that Valid() and GetKey() return false + } else { + keyTmp.first = entry.key; + } } bool CBlockTreeDB::WriteBatchSync(const std::vector<std::pair<int, const CBlockFileInfo*> >& fileInfo, int nLastFile, const std::vector<const CBlockIndex*>& blockinfo) { @@ -211,3 +252,103 @@ bool CBlockTreeDB::LoadBlockIndexGuts(std::function<CBlockIndex*(const uint256&) return true; } + +namespace { + +//! Legacy class to deserialize pre-pertxout database entries without reindex. +class CCoins +{ +public: + //! whether transaction is a coinbase + bool fCoinBase; + + //! unspent transaction outputs; spent outputs are .IsNull(); spent outputs at the end of the array are dropped + std::vector<CTxOut> vout; + + //! at which height this transaction was included in the active block chain + int nHeight; + + //! empty constructor + CCoins() : fCoinBase(false), vout(0), nHeight(0) { } + + template<typename Stream> + void Unserialize(Stream &s) { + unsigned int nCode = 0; + // version + int nVersionDummy; + ::Unserialize(s, VARINT(nVersionDummy)); + // header code + ::Unserialize(s, VARINT(nCode)); + fCoinBase = nCode & 1; + std::vector<bool> vAvail(2, false); + vAvail[0] = (nCode & 2) != 0; + vAvail[1] = (nCode & 4) != 0; + unsigned int nMaskCode = (nCode / 8) + ((nCode & 6) != 0 ? 0 : 1); + // spentness bitmask + while (nMaskCode > 0) { + unsigned char chAvail = 0; + ::Unserialize(s, chAvail); + for (unsigned int p = 0; p < 8; p++) { + bool f = (chAvail & (1 << p)) != 0; + vAvail.push_back(f); + } + if (chAvail != 0) + nMaskCode--; + } + // txouts themself + vout.assign(vAvail.size(), CTxOut()); + for (unsigned int i = 0; i < vAvail.size(); i++) { + if (vAvail[i]) + ::Unserialize(s, REF(CTxOutCompressor(vout[i]))); + } + // coinbase height + ::Unserialize(s, VARINT(nHeight)); + } +}; + +} + +/** Upgrade the database from older formats. + * + * Currently implemented: from the per-tx utxo model (0.8..0.14.x) to per-txout. + */ +bool CCoinsViewDB::Upgrade() { + std::unique_ptr<CDBIterator> pcursor(db.NewIterator()); + pcursor->Seek(std::make_pair(DB_COINS, uint256())); + if (!pcursor->Valid()) { + return true; + } + + LogPrintf("Upgrading database...\n"); + size_t batch_size = 1 << 24; + CDBBatch batch(db); + while (pcursor->Valid()) { + boost::this_thread::interruption_point(); + std::pair<unsigned char, uint256> key; + if (pcursor->GetKey(key) && key.first == DB_COINS) { + CCoins old_coins; + if (!pcursor->GetValue(old_coins)) { + return error("%s: cannot parse CCoins record", __func__); + } + COutPoint outpoint(key.second, 0); + for (size_t i = 0; i < old_coins.vout.size(); ++i) { + if (!old_coins.vout[i].IsNull() && !old_coins.vout[i].scriptPubKey.IsUnspendable()) { + Coin newcoin(std::move(old_coins.vout[i]), old_coins.nHeight, old_coins.fCoinBase); + outpoint.n = i; + CoinEntry entry(&outpoint); + batch.Write(entry, newcoin); + } + } + batch.Erase(key); + if (batch.SizeEstimate() > batch_size) { + db.WriteBatch(batch); + batch.Clear(); + } + pcursor->Next(); + } else { + break; + } + } + db.WriteBatch(batch); + return true; +} diff --git a/src/txdb.h b/src/txdb.h index 117e7201fb..974dd4ebe3 100644 --- a/src/txdb.h +++ b/src/txdb.h @@ -22,9 +22,7 @@ class uint256; //! Compensate for extra memory peak (x1.5-x1.9) at flush time. static constexpr int DB_PEAK_USAGE_FACTOR = 2; //! No need to periodic flush if at least this much space still available. -static constexpr int MAX_BLOCK_COINSDB_USAGE = 200 * DB_PEAK_USAGE_FACTOR; -//! Always periodic flush if less than this much space still available. -static constexpr int MIN_BLOCK_COINSDB_USAGE = 50 * DB_PEAK_USAGE_FACTOR; +static constexpr int MAX_BLOCK_COINSDB_USAGE = 10 * DB_PEAK_USAGE_FACTOR; //! -dbcache default (MiB) static const int64_t nDefaultDbCache = 450; //! max. -dbcache (MiB) @@ -73,11 +71,15 @@ protected: public: CCoinsViewDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false); - bool GetCoins(const uint256 &txid, CCoins &coins) const; - bool HaveCoins(const uint256 &txid) const; - uint256 GetBestBlock() const; - bool BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock); - CCoinsViewCursor *Cursor() const; + bool GetCoin(const COutPoint &outpoint, Coin &coin) const override; + bool HaveCoin(const COutPoint &outpoint) const override; + uint256 GetBestBlock() const override; + bool BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) override; + CCoinsViewCursor *Cursor() const override; + + //! Attempt to update from an older database format. Returns whether an error occurred. + bool Upgrade(); + size_t EstimateSize() const override; }; /** Specialization of CCoinsViewCursor to iterate over a CCoinsViewDB */ @@ -86,8 +88,8 @@ class CCoinsViewDBCursor: public CCoinsViewCursor public: ~CCoinsViewDBCursor() {} - bool GetKey(uint256 &key) const; - bool GetValue(CCoins &coins) const; + bool GetKey(COutPoint &key) const; + bool GetValue(Coin &coin) const; unsigned int GetValueSize() const; bool Valid() const; @@ -97,7 +99,7 @@ private: CCoinsViewDBCursor(CDBIterator* pcursorIn, const uint256 &hashBlockIn): CCoinsViewCursor(hashBlockIn), pcursor(pcursorIn) {} std::unique_ptr<CDBIterator> pcursor; - std::pair<char, uint256> keyTmp; + std::pair<char, COutPoint> keyTmp; friend class CCoinsViewDB; }; diff --git a/src/txmempool.cpp b/src/txmempool.cpp index 33df0536d0..17389db9f0 100644 --- a/src/txmempool.cpp +++ b/src/txmempool.cpp @@ -24,7 +24,7 @@ CTxMemPoolEntry::CTxMemPoolEntry(const CTransactionRef& _tx, const CAmount& _nFe spendsCoinbase(_spendsCoinbase), sigOpCost(_sigOpsCost), lockPoints(lp) { nTxWeight = GetTransactionWeight(*tx); - nUsageSize = RecursiveDynamicUsage(*tx) + memusage::DynamicUsage(tx); + nUsageSize = RecursiveDynamicUsage(tx); nCountWithDescendants = 1; nSizeWithDescendants = GetTxSize(); @@ -343,17 +343,10 @@ CTxMemPool::CTxMemPool(CBlockPolicyEstimator* estimator) : nCheckFrequency = 0; } -void CTxMemPool::pruneSpent(const uint256 &hashTx, CCoins &coins) +bool CTxMemPool::isSpent(const COutPoint& outpoint) { LOCK(cs); - - auto it = mapNextTx.lower_bound(COutPoint(hashTx, 0)); - - // iterate over all COutPoints in mapNextTx whose hash equals the provided hashTx - while (it != mapNextTx.end() && it->first->hash == hashTx) { - coins.Spend(it->first->n); // and remove those outputs from coins - it++; - } + return mapNextTx.count(outpoint); } unsigned int CTxMemPool::GetTransactionsUpdated() const @@ -531,9 +524,9 @@ void CTxMemPool::removeForReorg(const CCoinsViewCache *pcoins, unsigned int nMem indexed_transaction_set::const_iterator it2 = mapTx.find(txin.prevout.hash); if (it2 != mapTx.end()) continue; - const CCoins *coins = pcoins->AccessCoins(txin.prevout.hash); - if (nCheckFrequency != 0) assert(coins); - if (!coins || (coins->IsCoinBase() && ((signed long)nMemPoolHeight) - coins->nHeight < COINBASE_MATURITY)) { + const Coin &coin = pcoins->AccessCoin(txin.prevout); + if (nCheckFrequency != 0) assert(!coin.IsSpent()); + if (coin.IsSpent() || (coin.IsCoinBase() && ((signed long)nMemPoolHeight) - coin.nHeight < COINBASE_MATURITY)) { txToRemove.insert(it); break; } @@ -661,8 +654,7 @@ void CTxMemPool::check(const CCoinsViewCache *pcoins) const parentSigOpCost += it2->GetSigOpCost(); } } else { - const CCoins* coins = pcoins->AccessCoins(txin.prevout.hash); - assert(coins && coins->IsAvailable(txin.prevout.n)); + assert(pcoins->HaveCoin(txin.prevout)); } // Check whether its inputs are marked in mapNextTx. auto it3 = mapNextTx.find(txin.prevout); @@ -898,20 +890,24 @@ bool CTxMemPool::HasNoInputsOf(const CTransaction &tx) const CCoinsViewMemPool::CCoinsViewMemPool(CCoinsView* baseIn, const CTxMemPool& mempoolIn) : CCoinsViewBacked(baseIn), mempool(mempoolIn) { } -bool CCoinsViewMemPool::GetCoins(const uint256 &txid, CCoins &coins) const { +bool CCoinsViewMemPool::GetCoin(const COutPoint &outpoint, Coin &coin) const { // If an entry in the mempool exists, always return that one, as it's guaranteed to never // conflict with the underlying cache, and it cannot have pruned entries (as it contains full) // transactions. First checking the underlying cache risks returning a pruned entry instead. - CTransactionRef ptx = mempool.get(txid); + CTransactionRef ptx = mempool.get(outpoint.hash); if (ptx) { - coins = CCoins(*ptx, MEMPOOL_HEIGHT); - return true; + if (outpoint.n < ptx->vout.size()) { + coin = Coin(ptx->vout[outpoint.n], MEMPOOL_HEIGHT, false); + return true; + } else { + return false; + } } - return (base->GetCoins(txid, coins) && !coins.IsPruned()); + return (base->GetCoin(outpoint, coin) && !coin.IsSpent()); } -bool CCoinsViewMemPool::HaveCoins(const uint256 &txid) const { - return mempool.exists(txid) || base->HaveCoins(txid); +bool CCoinsViewMemPool::HaveCoin(const COutPoint &outpoint) const { + return mempool.exists(outpoint) || base->HaveCoin(outpoint); } size_t CTxMemPool::DynamicMemoryUsage() const { @@ -1022,7 +1018,7 @@ void CTxMemPool::trackPackageRemoved(const CFeeRate& rate) { } } -void CTxMemPool::TrimToSize(size_t sizelimit, std::vector<uint256>* pvNoSpendsRemaining) { +void CTxMemPool::TrimToSize(size_t sizelimit, std::vector<COutPoint>* pvNoSpendsRemaining) { LOCK(cs); unsigned nTxnRemoved = 0; @@ -1053,11 +1049,10 @@ void CTxMemPool::TrimToSize(size_t sizelimit, std::vector<uint256>* pvNoSpendsRe if (pvNoSpendsRemaining) { BOOST_FOREACH(const CTransaction& tx, txn) { BOOST_FOREACH(const CTxIn& txin, tx.vin) { - if (exists(txin.prevout.hash)) - continue; - auto iter = mapNextTx.lower_bound(COutPoint(txin.prevout.hash, 0)); - if (iter == mapNextTx.end() || iter->first->hash != txin.prevout.hash) - pvNoSpendsRemaining->push_back(txin.prevout.hash); + if (exists(txin.prevout.hash)) continue; + if (!mapNextTx.count(txin.prevout)) { + pvNoSpendsRemaining->push_back(txin.prevout); + } } } } @@ -1074,3 +1069,5 @@ bool CTxMemPool::TransactionWithinChainLimit(const uint256& txid, size_t chainLi return it == mapTx.end() || (it->GetCountWithAncestors() < chainLimit && it->GetCountWithDescendants() < chainLimit); } + +SaltedTxidHasher::SaltedTxidHasher() : k0(GetRand(std::numeric_limits<uint64_t>::max())), k1(GetRand(std::numeric_limits<uint64_t>::max())) {} diff --git a/src/txmempool.h b/src/txmempool.h index a91eb5be54..0316b42ba2 100644 --- a/src/txmempool.h +++ b/src/txmempool.h @@ -24,14 +24,15 @@ #include "boost/multi_index_container.hpp" #include "boost/multi_index/ordered_index.hpp" #include "boost/multi_index/hashed_index.hpp" +#include <boost/multi_index/sequenced_index.hpp> #include <boost/signals2/signal.hpp> class CAutoFile; class CBlockIndex; -/** Fake height value used in CCoins to signify they are only in the memory pool (since 0.8) */ -static const unsigned int MEMPOOL_HEIGHT = 0x7FFFFFFF; +/** Fake height value used in Coin to signify they are only in the memory pool (since 0.8) */ +static const uint32_t MEMPOOL_HEIGHT = 0x7FFFFFFF; struct LockPoints { @@ -185,7 +186,7 @@ private: const LockPoints& lp; }; -// extracts a TxMemPoolEntry's transaction hash +// extracts a transaction hash from CTxMempoolEntry or CTransactionRef struct mempoolentry_txid { typedef uint256 result_type; @@ -193,6 +194,11 @@ struct mempoolentry_txid { return entry.GetTx().GetHash(); } + + result_type operator() (const CTransactionRef& tx) const + { + return tx->GetHash(); + } }; /** \class CompareTxMemPoolEntryByDescendantScore @@ -321,6 +327,20 @@ enum class MemPoolRemovalReason { REPLACED //! Removed for replacement }; +class SaltedTxidHasher +{ +private: + /** Salt */ + const uint64_t k0, k1; + +public: + SaltedTxidHasher(); + + size_t operator()(const uint256& txid) const { + return SipHashUint256(k0, k1, txid); + } +}; + /** * CTxMemPool stores valid-according-to-the-current-best-chain transactions * that may be included in the next block. @@ -509,7 +529,7 @@ public: void _clear(); //lock free bool CompareDepthAndScore(const uint256& hasha, const uint256& hashb); void queryHashes(std::vector<uint256>& vtxid); - void pruneSpent(const uint256& hash, CCoins &coins); + bool isSpent(const COutPoint& outpoint); unsigned int GetTransactionsUpdated() const; void AddTransactionsUpdated(unsigned int n); /** @@ -570,10 +590,10 @@ public: CFeeRate GetMinFee(size_t sizelimit) const; /** Remove transactions from the mempool until its dynamic size is <= sizelimit. - * pvNoSpendsRemaining, if set, will be populated with the list of transactions + * pvNoSpendsRemaining, if set, will be populated with the list of outpoints * which are not in mempool which no longer have any spends in this mempool. */ - void TrimToSize(size_t sizelimit, std::vector<uint256>* pvNoSpendsRemaining=NULL); + void TrimToSize(size_t sizelimit, std::vector<COutPoint>* pvNoSpendsRemaining=NULL); /** Expire all transaction (and their dependencies) in the mempool older than time. Return the number of removed transactions. */ int Expire(int64_t time); @@ -599,6 +619,13 @@ public: return (mapTx.count(hash) != 0); } + bool exists(const COutPoint& outpoint) const + { + LOCK(cs); + auto it = mapTx.find(outpoint.hash); + return (it != mapTx.end() && outpoint.n < it->GetTx().vout.size()); + } + CTransactionRef get(const uint256& hash) const; TxMempoolInfo info(const uint256& hash) const; std::vector<TxMempoolInfo> infoAll() const; @@ -658,8 +685,99 @@ protected: public: CCoinsViewMemPool(CCoinsView* baseIn, const CTxMemPool& mempoolIn); - bool GetCoins(const uint256 &txid, CCoins &coins) const; - bool HaveCoins(const uint256 &txid) const; + bool GetCoin(const COutPoint &outpoint, Coin &coin) const; + bool HaveCoin(const COutPoint &outpoint) const; +}; + +/** + * DisconnectedBlockTransactions + + * During the reorg, it's desirable to re-add previously confirmed transactions + * to the mempool, so that anything not re-confirmed in the new chain is + * available to be mined. However, it's more efficient to wait until the reorg + * is complete and process all still-unconfirmed transactions at that time, + * since we expect most confirmed transactions to (typically) still be + * confirmed in the new chain, and re-accepting to the memory pool is expensive + * (and therefore better to not do in the middle of reorg-processing). + * Instead, store the disconnected transactions (in order!) as we go, remove any + * that are included in blocks in the new chain, and then process the remaining + * still-unconfirmed transactions at the end. + */ + +// multi_index tag names +struct txid_index {}; +struct insertion_order {}; + +struct DisconnectedBlockTransactions { + typedef boost::multi_index_container< + CTransactionRef, + boost::multi_index::indexed_by< + // sorted by txid + boost::multi_index::hashed_unique< + boost::multi_index::tag<txid_index>, + mempoolentry_txid, + SaltedTxidHasher + >, + // sorted by order in the blockchain + boost::multi_index::sequenced< + boost::multi_index::tag<insertion_order> + > + > + > indexed_disconnected_transactions; + + // It's almost certainly a logic bug if we don't clear out queuedTx before + // destruction, as we add to it while disconnecting blocks, and then we + // need to re-process remaining transactions to ensure mempool consistency. + // For now, assert() that we've emptied out this object on destruction. + // This assert() can always be removed if the reorg-processing code were + // to be refactored such that this assumption is no longer true (for + // instance if there was some other way we cleaned up the mempool after a + // reorg, besides draining this object). + ~DisconnectedBlockTransactions() { assert(queuedTx.empty()); } + + indexed_disconnected_transactions queuedTx; + uint64_t cachedInnerUsage = 0; + + // Estimate the overhead of queuedTx to be 6 pointers + an allocation, as + // no exact formula for boost::multi_index_contained is implemented. + size_t DynamicMemoryUsage() const { + return memusage::MallocUsage(sizeof(CTransactionRef) + 6 * sizeof(void*)) * queuedTx.size() + cachedInnerUsage; + } + + void addTransaction(const CTransactionRef& tx) + { + queuedTx.insert(tx); + cachedInnerUsage += RecursiveDynamicUsage(tx); + } + + // Remove entries based on txid_index, and update memory usage. + void removeForBlock(const std::vector<CTransactionRef>& vtx) + { + // Short-circuit in the common case of a block being added to the tip + if (queuedTx.empty()) { + return; + } + for (auto const &tx : vtx) { + auto it = queuedTx.find(tx->GetHash()); + if (it != queuedTx.end()) { + cachedInnerUsage -= RecursiveDynamicUsage(*it); + queuedTx.erase(it); + } + } + } + + // Remove an entry by insertion_order index, and update memory usage. + void removeEntry(indexed_disconnected_transactions::index<insertion_order>::type::iterator entry) + { + cachedInnerUsage -= RecursiveDynamicUsage(*entry); + queuedTx.get<insertion_order>().erase(entry); + } + + void clear() + { + cachedInnerUsage = 0; + queuedTx.clear(); + } }; #endif // BITCOIN_TXMEMPOOL_H diff --git a/src/undo.h b/src/undo.h index a94e31f5cc..3749d5d7a8 100644 --- a/src/undo.h +++ b/src/undo.h @@ -7,58 +7,90 @@ #define BITCOIN_UNDO_H #include "compressor.h" +#include "consensus/consensus.h" #include "primitives/transaction.h" #include "serialize.h" /** Undo information for a CTxIn * - * Contains the prevout's CTxOut being spent, and if this was the - * last output of the affected transaction, its metadata as well - * (coinbase or not, height, transaction version) + * Contains the prevout's CTxOut being spent, and its metadata as well + * (coinbase or not, height). The serialization contains a dummy value of + * zero. This is be compatible with older versions which expect to see + * the transaction version there. */ -class CTxInUndo +class TxInUndoSerializer { -public: - CTxOut txout; // the txout data before being spent - bool fCoinBase; // if the outpoint was the last unspent: whether it belonged to a coinbase - unsigned int nHeight; // if the outpoint was the last unspent: its height - int nVersion; // if the outpoint was the last unspent: its version - - CTxInUndo() : txout(), fCoinBase(false), nHeight(0), nVersion(0) {} - CTxInUndo(const CTxOut &txoutIn, bool fCoinBaseIn = false, unsigned int nHeightIn = 0, int nVersionIn = 0) : txout(txoutIn), fCoinBase(fCoinBaseIn), nHeight(nHeightIn), nVersion(nVersionIn) { } + const Coin* txout; +public: template<typename Stream> void Serialize(Stream &s) const { - ::Serialize(s, VARINT(nHeight*2+(fCoinBase ? 1 : 0))); - if (nHeight > 0) - ::Serialize(s, VARINT(this->nVersion)); - ::Serialize(s, CTxOutCompressor(REF(txout))); + ::Serialize(s, VARINT(txout->nHeight * 2 + (txout->fCoinBase ? 1 : 0))); + if (txout->nHeight > 0) { + // Required to maintain compatibility with older undo format. + ::Serialize(s, (unsigned char)0); + } + ::Serialize(s, CTxOutCompressor(REF(txout->out))); } + TxInUndoSerializer(const Coin* coin) : txout(coin) {} +}; + +class TxInUndoDeserializer +{ + Coin* txout; + +public: template<typename Stream> void Unserialize(Stream &s) { unsigned int nCode = 0; ::Unserialize(s, VARINT(nCode)); - nHeight = nCode / 2; - fCoinBase = nCode & 1; - if (nHeight > 0) - ::Unserialize(s, VARINT(this->nVersion)); - ::Unserialize(s, REF(CTxOutCompressor(REF(txout)))); + txout->nHeight = nCode / 2; + txout->fCoinBase = nCode & 1; + if (txout->nHeight > 0) { + // Old versions stored the version number for the last spend of + // a transaction's outputs. Non-final spends were indicated with + // height = 0. + int nVersionDummy; + ::Unserialize(s, VARINT(nVersionDummy)); + } + ::Unserialize(s, REF(CTxOutCompressor(REF(txout->out)))); } + + TxInUndoDeserializer(Coin* coin) : txout(coin) {} }; +static const size_t MAX_INPUTS_PER_BLOCK = MAX_BLOCK_BASE_SIZE / ::GetSerializeSize(CTxIn(), SER_NETWORK, PROTOCOL_VERSION); + /** Undo information for a CTransaction */ class CTxUndo { public: // undo information for all txins - std::vector<CTxInUndo> vprevout; + std::vector<Coin> vprevout; - ADD_SERIALIZE_METHODS; + template <typename Stream> + void Serialize(Stream& s) const { + // TODO: avoid reimplementing vector serializer + uint64_t count = vprevout.size(); + ::Serialize(s, COMPACTSIZE(REF(count))); + for (const auto& prevout : vprevout) { + ::Serialize(s, REF(TxInUndoSerializer(&prevout))); + } + } - template <typename Stream, typename Operation> - inline void SerializationOp(Stream& s, Operation ser_action) { - READWRITE(vprevout); + template <typename Stream> + void Unserialize(Stream& s) { + // TODO: avoid reimplementing vector deserializer + uint64_t count = 0; + ::Unserialize(s, COMPACTSIZE(count)); + if (count > MAX_INPUTS_PER_BLOCK) { + throw std::ios_base::failure("Too many input undo records"); + } + vprevout.resize(count); + for (auto& prevout : vprevout) { + ::Unserialize(s, REF(TxInUndoDeserializer(&prevout))); + } } }; diff --git a/src/util.h b/src/util.h index 229478d835..4386ddd550 100644 --- a/src/util.h +++ b/src/util.h @@ -241,7 +241,8 @@ bool SoftSetArg(const std::string& strArg, const std::string& strValue); */ bool SoftSetBoolArg(const std::string& strArg, bool fValue); -// Forces a arg setting, used only in testing +// Forces an arg setting. Called by SoftSetArg() if the arg hasn't already +// been set. Also called directly in testing. void ForceSetArg(const std::string& strArg, const std::string& strValue); }; diff --git a/src/validation.cpp b/src/validation.cpp index 73466b9df7..de65839eef 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -268,15 +268,15 @@ bool CheckSequenceLocks(const CTransaction &tx, int flags, LockPoints* lp, bool prevheights.resize(tx.vin.size()); for (size_t txinIndex = 0; txinIndex < tx.vin.size(); txinIndex++) { const CTxIn& txin = tx.vin[txinIndex]; - CCoins coins; - if (!viewMemPool.GetCoins(txin.prevout.hash, coins)) { + Coin coin; + if (!viewMemPool.GetCoin(txin.prevout, coin)) { return error("%s: Missing input", __func__); } - if (coins.nHeight == MEMPOOL_HEIGHT) { + if (coin.nHeight == MEMPOOL_HEIGHT) { // Assume all mempool transaction confirm in the next block prevheights[txinIndex] = tip->nHeight + 1; } else { - prevheights[txinIndex] = coins.nHeight; + prevheights[txinIndex] = coin.nHeight; } } lockPair = CalculateSequenceLocks(tx, flags, &prevheights, index); @@ -309,16 +309,15 @@ bool CheckSequenceLocks(const CTransaction &tx, int flags, LockPoints* lp, bool return EvaluateSequenceLocks(index, lockPair); } - void LimitMempoolSize(CTxMemPool& pool, size_t limit, unsigned long age) { int expired = pool.Expire(GetTime() - age); if (expired != 0) { LogPrint(BCLog::MEMPOOL, "Expired %i transactions from the memory pool\n", expired); } - std::vector<uint256> vNoSpendsRemaining; + std::vector<COutPoint> vNoSpendsRemaining; pool.TrimToSize(limit, &vNoSpendsRemaining); - BOOST_FOREACH(const uint256& removed, vNoSpendsRemaining) + BOOST_FOREACH(const COutPoint& removed, vNoSpendsRemaining) pcoinsTip->Uncache(removed); } @@ -343,9 +342,59 @@ static bool IsCurrentForFeeEstimation() return true; } +/* Make mempool consistent after a reorg, by re-adding or recursively erasing + * disconnected block transactions from the mempool, and also removing any + * other transactions from the mempool that are no longer valid given the new + * tip/height. + * + * Note: we assume that disconnectpool only contains transactions that are NOT + * confirmed in the current chain nor already in the mempool (otherwise, + * in-mempool descendants of such transactions would be removed). + * + * Passing fAddToMempool=false will skip trying to add the transactions back, + * and instead just erase from the mempool as needed. + */ + +void UpdateMempoolForReorg(DisconnectedBlockTransactions &disconnectpool, bool fAddToMempool) +{ + AssertLockHeld(cs_main); + std::vector<uint256> vHashUpdate; + // disconnectpool's insertion_order index sorts the entries from + // oldest to newest, but the oldest entry will be the last tx from the + // latest mined block that was disconnected. + // Iterate disconnectpool in reverse, so that we add transactions + // back to the mempool starting with the earliest transaction that had + // been previously seen in a block. + auto it = disconnectpool.queuedTx.get<insertion_order>().rbegin(); + while (it != disconnectpool.queuedTx.get<insertion_order>().rend()) { + // ignore validation errors in resurrected transactions + CValidationState stateDummy; + if (!fAddToMempool || (*it)->IsCoinBase() || !AcceptToMemoryPool(mempool, stateDummy, *it, false, NULL, NULL, true)) { + // If the transaction doesn't make it in to the mempool, remove any + // transactions that depend on it (which would now be orphans). + mempool.removeRecursive(**it, MemPoolRemovalReason::REORG); + } else if (mempool.exists((*it)->GetHash())) { + vHashUpdate.push_back((*it)->GetHash()); + } + ++it; + } + disconnectpool.queuedTx.clear(); + // AcceptToMemoryPool/addUnchecked all assume that new mempool entries have + // no in-mempool children, which is generally not true when adding + // previously-confirmed transactions back to the mempool. + // UpdateTransactionsFromBlock finds descendants of any transactions in + // the disconnectpool that were added back and cleans up the mempool state. + mempool.UpdateTransactionsFromBlock(vHashUpdate); + + // We also need to remove any now-immature transactions + mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1, STANDARD_LOCKTIME_VERIFY_FLAGS); + // Re-limit mempool size, in case we added any transactions + LimitMempoolSize(mempool, GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000, GetArg("-mempoolexpiry", DEFAULT_MEMPOOL_EXPIRY) * 60 * 60); +} + bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const CTransactionRef& ptx, bool fLimitFree, bool* pfMissingInputs, int64_t nAcceptTime, std::list<CTransactionRef>* plTxnReplaced, - bool fOverrideMempoolLimit, const CAmount& nAbsurdFee, std::vector<uint256>& vHashTxnToUncache) + bool fOverrideMempoolLimit, const CAmount& nAbsurdFee, std::vector<COutPoint>& coins_to_uncache) { const CTransaction& tx = *ptx; const uint256 hash = tx.GetHash(); @@ -438,30 +487,30 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C view.SetBackend(viewMemPool); // do we already have it? - bool fHadTxInCache = pcoinsTip->HaveCoinsInCache(hash); - if (view.HaveCoins(hash)) { - if (!fHadTxInCache) - vHashTxnToUncache.push_back(hash); - return state.Invalid(false, REJECT_ALREADY_KNOWN, "txn-already-known"); + for (size_t out = 0; out < tx.vout.size(); out++) { + COutPoint outpoint(hash, out); + bool had_coin_in_cache = pcoinsTip->HaveCoinInCache(outpoint); + if (view.HaveCoin(outpoint)) { + if (!had_coin_in_cache) { + coins_to_uncache.push_back(outpoint); + } + return state.Invalid(false, REJECT_ALREADY_KNOWN, "txn-already-known"); + } } // do all inputs exist? - // Note that this does not check for the presence of actual outputs (see the next check for that), - // and only helps with filling in pfMissingInputs (to determine missing vs spent). BOOST_FOREACH(const CTxIn txin, tx.vin) { - if (!pcoinsTip->HaveCoinsInCache(txin.prevout.hash)) - vHashTxnToUncache.push_back(txin.prevout.hash); - if (!view.HaveCoins(txin.prevout.hash)) { - if (pfMissingInputs) + if (!pcoinsTip->HaveCoinInCache(txin.prevout)) { + coins_to_uncache.push_back(txin.prevout); + } + if (!view.HaveCoin(txin.prevout)) { + if (pfMissingInputs) { *pfMissingInputs = true; + } return false; // fMissingInputs and !state.IsInvalid() is used to detect this condition, don't set state.Invalid() } } - // are the actual inputs available? - if (!view.HaveInputs(tx)) - return state.Invalid(false, REJECT_DUPLICATE, "bad-txns-inputs-spent"); - // Bring the best block into scope view.GetBestBlock(); @@ -499,8 +548,8 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C // during reorgs to ensure COINBASE_MATURITY is still met. bool fSpendsCoinbase = false; BOOST_FOREACH(const CTxIn &txin, tx.vin) { - const CCoins *coins = view.AccessCoins(txin.prevout.hash); - if (coins->IsCoinBase()) { + const Coin &coin = view.AccessCoin(txin.prevout); + if (coin.IsCoinBase()) { fSpendsCoinbase = true; break; } @@ -764,10 +813,10 @@ bool AcceptToMemoryPoolWithTime(CTxMemPool& pool, CValidationState &state, const bool* pfMissingInputs, int64_t nAcceptTime, std::list<CTransactionRef>* plTxnReplaced, bool fOverrideMempoolLimit, const CAmount nAbsurdFee) { - std::vector<uint256> vHashTxToUncache; - bool res = AcceptToMemoryPoolWorker(pool, state, tx, fLimitFree, pfMissingInputs, nAcceptTime, plTxnReplaced, fOverrideMempoolLimit, nAbsurdFee, vHashTxToUncache); + std::vector<COutPoint> coins_to_uncache; + bool res = AcceptToMemoryPoolWorker(pool, state, tx, fLimitFree, pfMissingInputs, nAcceptTime, plTxnReplaced, fOverrideMempoolLimit, nAbsurdFee, coins_to_uncache); if (!res) { - BOOST_FOREACH(const uint256& hashTx, vHashTxToUncache) + BOOST_FOREACH(const COutPoint& hashTx, coins_to_uncache) pcoinsTip->Uncache(hashTx); } // After we've (potentially) uncached entries, ensure our coins cache is still within its size limits @@ -819,15 +868,8 @@ bool GetTransaction(const uint256 &hash, CTransactionRef &txOut, const Consensus } if (fAllowSlow) { // use coin database to locate block that contains transaction, and scan it - int nHeight = -1; - { - const CCoinsViewCache& view = *pcoinsTip; - const CCoins* coins = view.AccessCoins(hash); - if (coins) - nHeight = coins->nHeight; - } - if (nHeight > 0) - pindexSlow = chainActive[nHeight]; + const Coin& coin = AccessByTxid(*pcoinsTip, hash); + if (!coin.IsSpent()) pindexSlow = chainActive[coin.nHeight]; } if (pindexSlow) { @@ -1075,24 +1117,12 @@ void UpdateCoins(const CTransaction& tx, CCoinsViewCache& inputs, CTxUndo &txund if (!tx.IsCoinBase()) { txundo.vprevout.reserve(tx.vin.size()); BOOST_FOREACH(const CTxIn &txin, tx.vin) { - CCoinsModifier coins = inputs.ModifyCoins(txin.prevout.hash); - unsigned nPos = txin.prevout.n; - - if (nPos >= coins->vout.size() || coins->vout[nPos].IsNull()) - assert(false); - // mark an outpoint spent, and construct undo information - txundo.vprevout.push_back(CTxInUndo(coins->vout[nPos])); - coins->Spend(nPos); - if (coins->vout.size() == 0) { - CTxInUndo& undo = txundo.vprevout.back(); - undo.nHeight = coins->nHeight; - undo.fCoinBase = coins->fCoinBase; - undo.nVersion = coins->nVersion; - } + txundo.vprevout.emplace_back(); + inputs.SpendCoin(txin.prevout, &txundo.vprevout.back()); } } // add outputs - inputs.ModifyNewCoins(tx.GetHash(), tx.IsCoinBase())->FromTx(tx, nHeight); + AddCoins(inputs, tx, nHeight); } void UpdateCoins(const CTransaction& tx, CCoinsViewCache& inputs, int nHeight) @@ -1136,11 +1166,19 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi if (fScriptChecks) { for (unsigned int i = 0; i < tx.vin.size(); i++) { const COutPoint &prevout = tx.vin[i].prevout; - const CCoins* coins = inputs.AccessCoins(prevout.hash); - assert(coins); + const Coin& coin = inputs.AccessCoin(prevout); + assert(!coin.IsSpent()); + + // We very carefully only pass in things to CScriptCheck which + // are clearly committed to by tx' witness hash. This provides + // a sanity check that our caching is not introducing consensus + // failures through additional data in, eg, the coins being + // spent being checked as a part of CScriptCheck. + const CScript& scriptPubKey = coin.out.scriptPubKey; + const CAmount amount = coin.out.nValue; // Verify signature - CScriptCheck check(*coins, tx, i, flags, cacheStore, &txdata); + CScriptCheck check(scriptPubKey, amount, tx, i, flags, cacheStore, &txdata); if (pvChecks) { pvChecks->push_back(CScriptCheck()); check.swap(pvChecks->back()); @@ -1152,7 +1190,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi // arguments; if so, don't trigger DoS protection to // avoid splitting the network between upgraded and // non-upgraded nodes. - CScriptCheck check2(*coins, tx, i, + CScriptCheck check2(scriptPubKey, amount, tx, i, flags & ~STANDARD_NOT_MANDATORY_VERIFY_FLAGS, cacheStore, &txdata); if (check2()) return state.Invalid(false, REJECT_NONSTANDARD, strprintf("non-mandatory-script-verify-flag (%s)", ScriptErrorString(check.GetScriptError()))); @@ -1211,8 +1249,10 @@ bool UndoReadFromDisk(CBlockUndo& blockundo, const CDiskBlockPos& pos, const uin // Read block uint256 hashChecksum; + CHashVerifier<CAutoFile> verifier(&filein); // We need a CHashVerifier as reserializing may lose data try { - filein >> blockundo; + verifier << hashBlock; + verifier >> blockundo; filein >> hashChecksum; } catch (const std::exception& e) { @@ -1220,10 +1260,7 @@ bool UndoReadFromDisk(CBlockUndo& blockundo, const CDiskBlockPos& pos, const uin } // Verify checksum - CHashWriter hasher(SER_GETHASH, PROTOCOL_VERSION); - hasher << hashBlock; - hasher << blockundo; - if (hashChecksum != hasher.GetHash()) + if (hashChecksum != verifier.GetHash()) return error("%s: Checksum mismatch", __func__); return true; @@ -1249,46 +1286,43 @@ bool AbortNode(CValidationState& state, const std::string& strMessage, const std } // anon namespace +enum DisconnectResult +{ + DISCONNECT_OK, // All good. + DISCONNECT_UNCLEAN, // Rolled back, but UTXO set was inconsistent with block. + DISCONNECT_FAILED // Something else went wrong. +}; + /** - * Apply the undo operation of a CTxInUndo to the given chain state. - * @param undo The undo object. + * Restore the UTXO in a Coin at a given COutPoint + * @param undo The Coin to be restored. * @param view The coins view to which to apply the changes. * @param out The out point that corresponds to the tx input. - * @return True on success. + * @return A DisconnectResult as an int */ -bool ApplyTxInUndo(const CTxInUndo& undo, CCoinsViewCache& view, const COutPoint& out) +int ApplyTxInUndo(Coin&& undo, CCoinsViewCache& view, const COutPoint& out) { bool fClean = true; - CCoinsModifier coins = view.ModifyCoins(out.hash); - if (undo.nHeight != 0) { - // undo data contains height: this is the last output of the prevout tx being spent - if (!coins->IsPruned()) - fClean = fClean && error("%s: undo data overwriting existing transaction", __func__); - coins->Clear(); - coins->fCoinBase = undo.fCoinBase; - coins->nHeight = undo.nHeight; - coins->nVersion = undo.nVersion; - } else { - if (coins->IsPruned()) - fClean = fClean && error("%s: undo data adding output to missing transaction", __func__); + if (view.HaveCoin(out)) fClean = false; // overwriting transaction output + + if (undo.nHeight == 0) { + // Missing undo metadata (height and coinbase). Older versions included this + // information only in undo records for the last spend of a transactions' + // outputs. This implies that it must be present for some other output of the same tx. + const Coin& alternate = AccessByTxid(view, out.hash); + if (!alternate.IsSpent()) { + undo.nHeight = alternate.nHeight; + undo.fCoinBase = alternate.fCoinBase; + } else { + return DISCONNECT_FAILED; // adding output for transaction without known metadata + } } - if (coins->IsAvailable(out.n)) - fClean = fClean && error("%s: undo data overwriting existing output", __func__); - if (coins->vout.size() < out.n+1) - coins->vout.resize(out.n+1); - coins->vout[out.n] = undo.txout; + view.AddCoin(out, std::move(undo), undo.fCoinBase); - return fClean; + return fClean ? DISCONNECT_OK : DISCONNECT_UNCLEAN; } -enum DisconnectResult -{ - DISCONNECT_OK, // All good. - DISCONNECT_UNCLEAN, // Rolled back, but UTXO set was inconsistent with block. - DISCONNECT_FAILED // Something else went wrong. -}; - /** Undo the effects of this block (with given index) on the UTXO set represented by coins. * When UNCLEAN or FAILED is returned, view is left in an indeterminate state. */ static DisconnectResult DisconnectBlock(const CBlock& block, const CBlockIndex* pindex, CCoinsViewCache& view) @@ -1320,36 +1354,31 @@ static DisconnectResult DisconnectBlock(const CBlock& block, const CBlockIndex* // Check that all outputs are available and match the outputs in the block itself // exactly. - { - CCoinsModifier outs = view.ModifyCoins(hash); - outs->ClearUnspendable(); - - CCoins outsBlock(tx, pindex->nHeight); - // The CCoins serialization does not serialize negative numbers. - // No network rules currently depend on the version here, so an inconsistency is harmless - // but it must be corrected before txout nversion ever influences a network rule. - if (outsBlock.nVersion < 0) - outs->nVersion = outsBlock.nVersion; - if (*outs != outsBlock) - fClean = fClean && error("DisconnectBlock(): added transaction mismatch? database corrupted"); - - // remove outputs - outs->Clear(); + for (size_t o = 0; o < tx.vout.size(); o++) { + if (!tx.vout[o].scriptPubKey.IsUnspendable()) { + COutPoint out(hash, o); + Coin coin; + view.SpendCoin(out, &coin); + if (tx.vout[o] != coin.out) { + fClean = false; // transaction output mismatch + } + } } // restore inputs if (i > 0) { // not coinbases - const CTxUndo &txundo = blockUndo.vtxundo[i-1]; + CTxUndo &txundo = blockUndo.vtxundo[i-1]; if (txundo.vprevout.size() != tx.vin.size()) { error("DisconnectBlock(): transaction and undo data inconsistent"); return DISCONNECT_FAILED; } for (unsigned int j = tx.vin.size(); j-- > 0;) { const COutPoint &out = tx.vin[j].prevout; - const CTxInUndo &undo = txundo.vprevout[j]; - if (!ApplyTxInUndo(undo, view, out)) - fClean = false; + int res = ApplyTxInUndo(std::move(txundo.vprevout[j]), view, out); + if (res == DISCONNECT_FAILED) return DISCONNECT_FAILED; + fClean = fClean && res != DISCONNECT_UNCLEAN; } + // At this point, all of txundo.vprevout should have been moved out. } } @@ -1530,10 +1559,12 @@ static bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockInd if (fEnforceBIP30) { for (const auto& tx : block.vtx) { - const CCoins* coins = view.AccessCoins(tx->GetHash()); - if (coins && !coins->IsPruned()) - return state.DoS(100, error("ConnectBlock(): tried to overwrite transaction"), - REJECT_INVALID, "bad-txns-BIP30"); + for (size_t o = 0; o < tx->vout.size(); o++) { + if (view.HaveCoin(COutPoint(tx->GetHash(), o))) { + return state.DoS(100, error("ConnectBlock(): tried to overwrite transaction"), + REJECT_INVALID, "bad-txns-BIP30"); + } + } } } @@ -1600,7 +1631,7 @@ static bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockInd // be in ConnectBlock because they require the UTXO set prevheights.resize(tx.vin.size()); for (size_t j = 0; j < tx.vin.size(); j++) { - prevheights[j] = view.AccessCoins(tx.vin[j].prevout.hash)->nHeight; + prevheights[j] = view.AccessCoin(tx.vin[j].prevout).nHeight; } if (!SequenceLocks(tx, nLockTimeFlags, &prevheights, *pindex)) { @@ -1738,9 +1769,8 @@ bool static FlushStateToDisk(CValidationState &state, FlushStateMode mode, int n int64_t nMempoolSizeMax = GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000; int64_t cacheSize = pcoinsTip->DynamicMemoryUsage() * DB_PEAK_USAGE_FACTOR; int64_t nTotalSpace = nCoinCacheUsage + std::max<int64_t>(nMempoolSizeMax - nMempoolUsage, 0); - // The cache is large and we're within 10% and 200 MiB or 50% and 50MiB of the limit, but we have time now (not in the middle of a block processing). - bool fCacheLarge = mode == FLUSH_STATE_PERIODIC && cacheSize > std::min(std::max(nTotalSpace / 2, nTotalSpace - MIN_BLOCK_COINSDB_USAGE * 1024 * 1024), - std::max((9 * nTotalSpace) / 10, nTotalSpace - MAX_BLOCK_COINSDB_USAGE * 1024 * 1024)); + // The cache is large and we're within 10% and 10 MiB of the limit, but we have time now (not in the middle of a block processing). + bool fCacheLarge = mode == FLUSH_STATE_PERIODIC && cacheSize > std::max((9 * nTotalSpace) / 10, nTotalSpace - MAX_BLOCK_COINSDB_USAGE * 1024 * 1024); // The cache is over the limit, we have to write now. bool fCacheCritical = mode == FLUSH_STATE_IF_NEEDED && cacheSize > nTotalSpace; // It's been a while since we wrote the block index to disk. Do this frequently, so we don't need to redownload after a crash. @@ -1781,12 +1811,12 @@ bool static FlushStateToDisk(CValidationState &state, FlushStateMode mode, int n } // Flush best chain related state. This can only be done if the blocks / block index write was also done. if (fDoFullFlush) { - // Typical CCoins structures on disk are around 128 bytes in size. + // Typical Coin structures on disk are around 48 bytes in size. // Pushing a new one to the database can cause it to be written // twice (once in the log, and once in the tables). This is already // an overestimation, as most will delete an existing entry or // overwrite one. Still, use a conservative safety factor of 2. - if (!CheckDiskSpace(128 * 2 * 2 * pcoinsTip->GetCacheSize())) + if (!CheckDiskSpace(48 * 2 * 2 * pcoinsTip->GetCacheSize())) return state.Error("out of disk space"); // Flush the chainstate (which may refer to block index entries). if (!pcoinsTip->Flush()) @@ -1815,6 +1845,16 @@ void PruneAndFlush() { FlushStateToDisk(state, FLUSH_STATE_NONE); } +static void DoWarning(const std::string& strWarning) +{ + static bool fWarned = false; + SetMiscWarning(strWarning); + if (!fWarned) { + AlertNotify(strWarning); + fWarned = true; + } +} + /** Update chainActive and related internal data structures. */ void static UpdateTip(CBlockIndex *pindexNew, const CChainParams& chainParams) { chainActive.SetTip(pindexNew); @@ -1824,7 +1864,6 @@ void static UpdateTip(CBlockIndex *pindexNew, const CChainParams& chainParams) { cvBlockChange.notify_all(); - static bool fWarned = false; std::vector<std::string> warningMessages; if (!IsInitialBlockDownload()) { @@ -1834,15 +1873,11 @@ void static UpdateTip(CBlockIndex *pindexNew, const CChainParams& chainParams) { WarningBitsConditionChecker checker(bit); ThresholdState state = checker.GetStateFor(pindex, chainParams.GetConsensus(), warningcache[bit]); if (state == THRESHOLD_ACTIVE || state == THRESHOLD_LOCKED_IN) { + const std::string strWarning = strprintf(_("Warning: unknown new rules activated (versionbit %i)"), bit); if (state == THRESHOLD_ACTIVE) { - std::string strWarning = strprintf(_("Warning: unknown new rules activated (versionbit %i)"), bit); - SetMiscWarning(strWarning); - if (!fWarned) { - AlertNotify(strWarning); - fWarned = true; - } + DoWarning(strWarning); } else { - warningMessages.push_back(strprintf("unknown new rules are about to activate (versionbit %i)", bit)); + warningMessages.push_back(strWarning); } } } @@ -1855,19 +1890,15 @@ void static UpdateTip(CBlockIndex *pindexNew, const CChainParams& chainParams) { pindex = pindex->pprev; } if (nUpgraded > 0) - warningMessages.push_back(strprintf("%d of last 100 blocks have unexpected version", nUpgraded)); + warningMessages.push_back(strprintf(_("%d of last 100 blocks have unexpected version"), nUpgraded)); if (nUpgraded > 100/2) { std::string strWarning = _("Warning: Unknown block versions being mined! It's possible unknown rules are in effect"); // notify GetWarnings(), called by Qt and the JSON-RPC code to warn the user: - SetMiscWarning(strWarning); - if (!fWarned) { - AlertNotify(strWarning); - fWarned = true; - } + DoWarning(strWarning); } } - LogPrintf("%s: new best=%s height=%d version=0x%08x log2_work=%.8g tx=%lu date='%s' progress=%f cache=%.1fMiB(%utx)", __func__, + LogPrintf("%s: new best=%s height=%d version=0x%08x log2_work=%.8g tx=%lu date='%s' progress=%f cache=%.1fMiB(%utxo)", __func__, chainActive.Tip()->GetBlockHash().ToString(), chainActive.Height(), chainActive.Tip()->nVersion, log(chainActive.Tip()->nChainWork.getdouble())/log(2.0), (unsigned long)chainActive.Tip()->nChainTx, DateTimeStrFormat("%Y-%m-%d %H:%M:%S", chainActive.Tip()->GetBlockTime()), @@ -1878,8 +1909,17 @@ void static UpdateTip(CBlockIndex *pindexNew, const CChainParams& chainParams) { } -/** Disconnect chainActive's tip. You probably want to call mempool.removeForReorg and manually re-limit mempool size after this, with cs_main held. */ -bool static DisconnectTip(CValidationState& state, const CChainParams& chainparams, bool fBare = false) +/** Disconnect chainActive's tip. + * After calling, the mempool will be in an inconsistent state, with + * transactions from disconnected blocks being added to disconnectpool. You + * should make the mempool consistent again by calling UpdateMempoolForReorg. + * with cs_main held. + * + * If disconnectpool is NULL, then no disconnected transactions are added to + * disconnectpool (note that the caller is responsible for mempool consistency + * in any case). + */ +bool static DisconnectTip(CValidationState& state, const CChainParams& chainparams, DisconnectedBlockTransactions *disconnectpool) { CBlockIndex *pindexDelete = chainActive.Tip(); assert(pindexDelete); @@ -1902,25 +1942,17 @@ bool static DisconnectTip(CValidationState& state, const CChainParams& chainpara if (!FlushStateToDisk(state, FLUSH_STATE_IF_NEEDED)) return false; - if (!fBare) { - // Resurrect mempool transactions from the disconnected block. - std::vector<uint256> vHashUpdate; - for (const auto& it : block.vtx) { - const CTransaction& tx = *it; - // ignore validation errors in resurrected transactions - CValidationState stateDummy; - if (tx.IsCoinBase() || !AcceptToMemoryPool(mempool, stateDummy, it, false, NULL, NULL, true)) { - mempool.removeRecursive(tx, MemPoolRemovalReason::REORG); - } else if (mempool.exists(tx.GetHash())) { - vHashUpdate.push_back(tx.GetHash()); - } + if (disconnectpool) { + // Save transactions to re-add to mempool at end of reorg + for (auto it = block.vtx.rbegin(); it != block.vtx.rend(); ++it) { + disconnectpool->addTransaction(*it); + } + while (disconnectpool->DynamicMemoryUsage() > MAX_DISCONNECTED_TX_POOL_SIZE * 1000) { + // Drop the earliest entry, and remove its children from the mempool. + auto it = disconnectpool->queuedTx.get<insertion_order>().begin(); + mempool.removeRecursive(**it, MemPoolRemovalReason::REORG); + disconnectpool->removeEntry(it); } - // AcceptToMemoryPool/addUnchecked all assume that new mempool entries have - // no in-mempool children, which is generally not true when adding - // previously-confirmed transactions back to the mempool. - // UpdateTransactionsFromBlock finds descendants of any transactions in this - // block that were added back and cleans up the mempool state. - mempool.UpdateTransactionsFromBlock(vHashUpdate); } // Update chainActive and related variables. @@ -2008,7 +2040,7 @@ public: * * The block is added to connectTrace if connection succeeds. */ -bool static ConnectTip(CValidationState& state, const CChainParams& chainparams, CBlockIndex* pindexNew, const std::shared_ptr<const CBlock>& pblock, ConnectTrace& connectTrace) +bool static ConnectTip(CValidationState& state, const CChainParams& chainparams, CBlockIndex* pindexNew, const std::shared_ptr<const CBlock>& pblock, ConnectTrace& connectTrace, DisconnectedBlockTransactions &disconnectpool) { assert(pindexNew->pprev == chainActive.Tip()); // Read block from disk. @@ -2050,6 +2082,7 @@ bool static ConnectTip(CValidationState& state, const CChainParams& chainparams, LogPrint(BCLog::BENCH, " - Writing chainstate: %.2fms [%.2fs]\n", (nTime5 - nTime4) * 0.001, nTimeChainState * 0.000001); // Remove conflicting transactions from the mempool.; mempool.removeForBlock(blockConnecting.vtx, pindexNew->nHeight); + disconnectpool.removeForBlock(blockConnecting.vtx); // Update chainActive & related variables. UpdateTip(pindexNew, chainparams); @@ -2143,9 +2176,14 @@ static bool ActivateBestChainStep(CValidationState& state, const CChainParams& c // Disconnect active blocks which are no longer in the best chain. bool fBlocksDisconnected = false; + DisconnectedBlockTransactions disconnectpool; while (chainActive.Tip() && chainActive.Tip() != pindexFork) { - if (!DisconnectTip(state, chainparams)) + if (!DisconnectTip(state, chainparams, &disconnectpool)) { + // This is likely a fatal error, but keep the mempool consistent, + // just in case. Only remove from the mempool in this case. + UpdateMempoolForReorg(disconnectpool, false); return false; + } fBlocksDisconnected = true; } @@ -2168,7 +2206,7 @@ static bool ActivateBestChainStep(CValidationState& state, const CChainParams& c // Connect new blocks. BOOST_REVERSE_FOREACH(CBlockIndex *pindexConnect, vpindexToConnect) { - if (!ConnectTip(state, chainparams, pindexConnect, pindexConnect == pindexMostWork ? pblock : std::shared_ptr<const CBlock>(), connectTrace)) { + if (!ConnectTip(state, chainparams, pindexConnect, pindexConnect == pindexMostWork ? pblock : std::shared_ptr<const CBlock>(), connectTrace, disconnectpool)) { if (state.IsInvalid()) { // The block violates a consensus rule. if (!state.CorruptionPossible()) @@ -2179,6 +2217,9 @@ static bool ActivateBestChainStep(CValidationState& state, const CChainParams& c break; } else { // A system error occurred (disk space, database error, ...). + // Make the mempool consistent with the current tip, just in case + // any observers try to use it before shutdown. + UpdateMempoolForReorg(disconnectpool, false); return false; } } else { @@ -2193,8 +2234,9 @@ static bool ActivateBestChainStep(CValidationState& state, const CChainParams& c } if (fBlocksDisconnected) { - mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1, STANDARD_LOCKTIME_VERIFY_FLAGS); - LimitMempoolSize(mempool, GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000, GetArg("-mempoolexpiry", DEFAULT_MEMPOOL_EXPIRY) * 60 * 60); + // If any blocks were disconnected, disconnectpool may be non empty. Add + // any disconnected transactions back to the mempool. + UpdateMempoolForReorg(disconnectpool, true); } mempool.check(pcoinsTip); @@ -2343,6 +2385,7 @@ bool InvalidateBlock(CValidationState& state, const CChainParams& chainparams, C setDirtyBlockIndex.insert(pindex); setBlockIndexCandidates.erase(pindex); + DisconnectedBlockTransactions disconnectpool; while (chainActive.Contains(pindex)) { CBlockIndex *pindexWalk = chainActive.Tip(); pindexWalk->nStatus |= BLOCK_FAILED_CHILD; @@ -2350,13 +2393,17 @@ bool InvalidateBlock(CValidationState& state, const CChainParams& chainparams, C setBlockIndexCandidates.erase(pindexWalk); // ActivateBestChain considers blocks already in chainActive // unconditionally valid already, so force disconnect away from it. - if (!DisconnectTip(state, chainparams)) { - mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1, STANDARD_LOCKTIME_VERIFY_FLAGS); + if (!DisconnectTip(state, chainparams, &disconnectpool)) { + // It's probably hopeless to try to make the mempool consistent + // here if DisconnectTip failed, but we can try. + UpdateMempoolForReorg(disconnectpool, false); return false; } } - LimitMempoolSize(mempool, GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000, GetArg("-mempoolexpiry", DEFAULT_MEMPOOL_EXPIRY) * 60 * 60); + // DisconnectTip will add transactions to disconnectpool; try to add these + // back to the mempool. + UpdateMempoolForReorg(disconnectpool, true); // The resulting new best tip may not be in setBlockIndexCandidates anymore, so // add it again. @@ -2369,7 +2416,6 @@ bool InvalidateBlock(CValidationState& state, const CChainParams& chainparams, C } InvalidChainFound(pindex); - mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1, STANDARD_LOCKTIME_VERIFY_FLAGS); uiInterface.NotifyBlockTip(IsInitialBlockDownload(), pindex->pprev); return true; } @@ -2817,8 +2863,8 @@ bool ContextualCheckBlock(const CBlock& block, CValidationState& state, const Co // No witness data is allowed in blocks that don't commit to witness data, as this would otherwise leave room for spam if (!fHaveWitness) { - for (size_t i = 0; i < block.vtx.size(); i++) { - if (block.vtx[i]->HasWitness()) { + for (const auto& tx : block.vtx) { + if (tx->HasWitness()) { return state.DoS(100, false, REJECT_INVALID, "unexpected-witness", true, strprintf("%s : unexpected witness data found", __func__)); } } @@ -3483,7 +3529,7 @@ bool RewindBlockIndex(const CChainParams& params) // of the blockchain). break; } - if (!DisconnectTip(state, params, true)) { + if (!DisconnectTip(state, params, NULL)) { return error("RewindBlockIndex: unable to disconnect block at height %i", pindex->nHeight); } // Occasionally flush state to disk. @@ -3935,6 +3981,12 @@ ThresholdState VersionBitsTipState(const Consensus::Params& params, Consensus::D return VersionBitsState(chainActive.Tip(), params, pos, versionbitscache); } +BIP9Stats VersionBitsTipStatistics(const Consensus::Params& params, Consensus::DeploymentPos pos) +{ + LOCK(cs_main); + return VersionBitsStatistics(chainActive.Tip(), params, pos); +} + int VersionBitsTipStateSinceHeight(const Consensus::Params& params, Consensus::DeploymentPos pos) { LOCK(cs_main); diff --git a/src/validation.h b/src/validation.h index 743a2973f8..096fd0a9ee 100644 --- a/src/validation.h +++ b/src/validation.h @@ -70,6 +70,8 @@ static const unsigned int DEFAULT_DESCENDANT_LIMIT = 25; static const unsigned int DEFAULT_DESCENDANT_SIZE_LIMIT = 101; /** Default for -mempoolexpiry, expiration time for mempool transactions in hours */ static const unsigned int DEFAULT_MEMPOOL_EXPIRY = 336; +/** Maximum kilobytes for transactions to store for processing during reorg */ +static const unsigned int MAX_DISCONNECTED_TX_POOL_SIZE = 20000; /** The maximum size of a blk?????.dat file (since 0.8) */ static const unsigned int MAX_BLOCKFILE_SIZE = 0x8000000; // 128 MiB /** The pre-allocation chunk size for blk?????.dat files (since 0.8) */ @@ -105,7 +107,7 @@ static const unsigned int DATABASE_FLUSH_INTERVAL = 24 * 60 * 60; /** Maximum length of reject messages. */ static const unsigned int MAX_REJECT_MESSAGE_LENGTH = 111; /** Average delay between local address broadcasts in seconds. */ -static const unsigned int AVG_LOCAL_ADDRESS_BROADCAST_INTERVAL = 24 * 24 * 60; +static const unsigned int AVG_LOCAL_ADDRESS_BROADCAST_INTERVAL = 24 * 60 * 60; /** Average delay between peer address broadcasts in seconds. */ static const unsigned int AVG_ADDRESS_BROADCAST_INTERVAL = 30; /** Average delay between trickled inventory transmissions in seconds. @@ -339,6 +341,9 @@ std::string FormatStateMessage(const CValidationState &state); /** Get the BIP9 state for a given deployment at the current tip. */ ThresholdState VersionBitsTipState(const Consensus::Params& params, Consensus::DeploymentPos pos); +/** Get the numerical statistics for the BIP9 state for a given deployment at the current tip. */ +BIP9Stats VersionBitsTipStatistics(const Consensus::Params& params, Consensus::DeploymentPos pos); + /** Get the block height at which the BIP9 deployment switched into the state for the block building on the current tip. */ int VersionBitsTipStateSinceHeight(const Consensus::Params& params, Consensus::DeploymentPos pos); @@ -401,8 +406,8 @@ private: public: CScriptCheck(): amount(0), ptxTo(0), nIn(0), nFlags(0), cacheStore(false), error(SCRIPT_ERR_UNKNOWN_ERROR) {} - CScriptCheck(const CCoins& txFromIn, const CTransaction& txToIn, unsigned int nInIn, unsigned int nFlagsIn, bool cacheIn, PrecomputedTransactionData* txdataIn) : - scriptPubKey(txFromIn.vout[txToIn.vin[nInIn].prevout.n].scriptPubKey), amount(txFromIn.vout[txToIn.vin[nInIn].prevout.n].nValue), + CScriptCheck(const CScript& scriptPubKeyIn, const CAmount amountIn, const CTransaction& txToIn, unsigned int nInIn, unsigned int nFlagsIn, bool cacheIn, PrecomputedTransactionData* txdataIn) : + scriptPubKey(scriptPubKeyIn), amount(amountIn), ptxTo(&txToIn), nIn(nInIn), nFlags(nFlagsIn), cacheStore(cacheIn), error(SCRIPT_ERR_UNKNOWN_ERROR), txdata(txdataIn) { } bool operator()(); diff --git a/src/versionbits.cpp b/src/versionbits.cpp index 8a7cce7485..80786233f5 100644 --- a/src/versionbits.cpp +++ b/src/versionbits.cpp @@ -3,7 +3,6 @@ // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include "versionbits.h" - #include "consensus/params.h" const struct BIP9DeploymentInfo VersionBitsDeploymentInfo[Consensus::MAX_VERSION_BITS_DEPLOYMENTS] = { @@ -105,6 +104,36 @@ ThresholdState AbstractThresholdConditionChecker::GetStateFor(const CBlockIndex* return state; } +// return the numerical statistics of blocks signalling the specified BIP9 condition in this current period +BIP9Stats AbstractThresholdConditionChecker::GetStateStatisticsFor(const CBlockIndex* pindex, const Consensus::Params& params) const +{ + BIP9Stats stats; + + stats.period = Period(params); + stats.threshold = Threshold(params); + + if (pindex == NULL) + return stats; + + // Find beginning of period + const CBlockIndex* pindexEndOfPrevPeriod = pindex->GetAncestor(pindex->nHeight - ((pindex->nHeight + 1) % stats.period)); + stats.elapsed = pindex->nHeight - pindexEndOfPrevPeriod->nHeight; + + // Count from current block to beginning of period + int count = 0; + const CBlockIndex* currentIndex = pindex; + while (pindexEndOfPrevPeriod->nHeight != currentIndex->nHeight){ + if (Condition(currentIndex, params)) + count++; + currentIndex = currentIndex->pprev; + } + + stats.count = count; + stats.possible = (stats.period - stats.threshold ) >= (stats.elapsed - count); + + return stats; +} + int AbstractThresholdConditionChecker::GetStateSinceHeightFor(const CBlockIndex* pindexPrev, const Consensus::Params& params, ThresholdConditionCache& cache) const { const ThresholdState initialState = GetStateFor(pindexPrev, params, cache); @@ -167,6 +196,11 @@ ThresholdState VersionBitsState(const CBlockIndex* pindexPrev, const Consensus:: return VersionBitsConditionChecker(pos).GetStateFor(pindexPrev, params, cache.caches[pos]); } +BIP9Stats VersionBitsStatistics(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos) +{ + return VersionBitsConditionChecker(pos).GetStateStatisticsFor(pindexPrev, params); +} + int VersionBitsStateSinceHeight(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos, VersionBitsCache& cache) { return VersionBitsConditionChecker(pos).GetStateSinceHeightFor(pindexPrev, params, cache.caches[pos]); diff --git a/src/versionbits.h b/src/versionbits.h index 7a929266aa..f1d31ea0af 100644 --- a/src/versionbits.h +++ b/src/versionbits.h @@ -37,6 +37,14 @@ struct BIP9DeploymentInfo { bool gbt_force; }; +struct BIP9Stats { + int period; + int threshold; + int elapsed; + int count; + bool possible; +}; + extern const struct BIP9DeploymentInfo VersionBitsDeploymentInfo[]; /** @@ -51,6 +59,7 @@ protected: virtual int Threshold(const Consensus::Params& params) const =0; public: + BIP9Stats GetStateStatisticsFor(const CBlockIndex* pindex, const Consensus::Params& params) const; // Note that the functions below take a pindexPrev as input: they compute information for block B based on its parent. ThresholdState GetStateFor(const CBlockIndex* pindexPrev, const Consensus::Params& params, ThresholdConditionCache& cache) const; int GetStateSinceHeightFor(const CBlockIndex* pindexPrev, const Consensus::Params& params, ThresholdConditionCache& cache) const; @@ -64,6 +73,7 @@ struct VersionBitsCache }; ThresholdState VersionBitsState(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos, VersionBitsCache& cache); +BIP9Stats VersionBitsStatistics(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos); int VersionBitsStateSinceHeight(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos, VersionBitsCache& cache); uint32_t VersionBitsMask(const Consensus::Params& params, Consensus::DeploymentPos pos); diff --git a/src/wallet/feebumper.cpp b/src/wallet/feebumper.cpp index c10a9eccd9..99120d290c 100644 --- a/src/wallet/feebumper.cpp +++ b/src/wallet/feebumper.cpp @@ -255,7 +255,7 @@ bool CFeeBumper::commit(CWallet *pWallet) } CWalletTx& oldWtx = pWallet->mapWallet[txid]; - // make sure the transaction still has no descendants and hasen't been mined in the meantime + // make sure the transaction still has no descendants and hasn't been mined in the meantime if (!preconditionChecks(pWallet, oldWtx)) { return false; } diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp index 82708dab26..613d5d228a 100644 --- a/src/wallet/rpcdump.cpp +++ b/src/wallet/rpcdump.cpp @@ -357,7 +357,7 @@ UniValue removeprunedfunds(const JSONRPCRequest& request) if (request.fHelp || request.params.size() != 1) throw std::runtime_error( "removeprunedfunds \"txid\"\n" - "\nDeletes the specified transaction from the wallet. Meant for use with pruned wallets and as a companion to importprunedfunds. This will effect wallet balances.\n" + "\nDeletes the specified transaction from the wallet. Meant for use with pruned wallets and as a companion to importprunedfunds. This will affect wallet balances.\n" "\nArguments:\n" "1. \"txid\" (string, required) The hex-encoded id of the transaction you are deleting\n" "\nExamples:\n" @@ -536,14 +536,11 @@ UniValue importwallet(const JSONRPCRequest& request) } file.close(); pwallet->ShowProgress("", 100); // hide progress dialog in GUI - - CBlockIndex *pindex = chainActive.Tip(); - while (pindex && pindex->pprev && pindex->GetBlockTime() > nTimeBegin - TIMESTAMP_WINDOW) - pindex = pindex->pprev; - pwallet->UpdateTimeFirstKey(nTimeBegin); - LogPrintf("Rescanning last %i blocks\n", chainActive.Height() - pindex->nHeight + 1); + CBlockIndex *pindex = chainActive.FindEarliestAtLeast(nTimeBegin - TIMESTAMP_WINDOW); + + LogPrintf("Rescanning last %i blocks\n", pindex ? chainActive.Height() - pindex->nHeight + 1 : 0); pwallet->ScanForWalletTransactions(pindex); pwallet->MarkDirty(); diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index ae4f4f37cb..0860d3565c 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -2909,7 +2909,7 @@ UniValue bumpfee(const JSONRPCRequest& request) UniValue errors(UniValue::VARR); for (const std::string& err: feeBump.getErrors()) errors.push_back(err); - result.push_back(errors); + result.push_back(Pair("errors", errors)); return result; } diff --git a/src/wallet/test/wallet_tests.cpp b/src/wallet/test/wallet_tests.cpp index 8eeba72a06..5c7359fdce 100644 --- a/src/wallet/test/wallet_tests.cpp +++ b/src/wallet/test/wallet_tests.cpp @@ -9,6 +9,7 @@ #include <utility> #include <vector> +#include "consensus/validation.h" #include "rpc/server.h" #include "test/test_bitcoin.h" #include "validation.h" @@ -19,6 +20,8 @@ #include <univalue.h> extern UniValue importmulti(const JSONRPCRequest& request); +extern UniValue dumpwallet(const JSONRPCRequest& request); +extern UniValue importwallet(const JSONRPCRequest& request); // how many times to run all the tests to have a chance to catch errors that only show up with particular random shuffles #define RUN_TESTS 100 @@ -437,6 +440,66 @@ BOOST_FIXTURE_TEST_CASE(rescan, TestChain100Setup) } } +// Verify importwallet RPC starts rescan at earliest block with timestamp +// greater or equal than key birthday. Previously there was a bug where +// importwallet RPC would start the scan at the latest block with timestamp less +// than or equal to key birthday. +BOOST_FIXTURE_TEST_CASE(importwallet_rescan, TestChain100Setup) +{ + CWallet *pwalletMainBackup = ::pwalletMain; + LOCK(cs_main); + + // Create two blocks with same timestamp to verify that importwallet rescan + // will pick up both blocks, not just the first. + const int64_t BLOCK_TIME = chainActive.Tip()->GetBlockTimeMax() + 5; + SetMockTime(BLOCK_TIME); + coinbaseTxns.emplace_back(*CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]); + coinbaseTxns.emplace_back(*CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]); + + // Set key birthday to block time increased by the timestamp window, so + // rescan will start at the block time. + const int64_t KEY_TIME = BLOCK_TIME + TIMESTAMP_WINDOW; + SetMockTime(KEY_TIME); + coinbaseTxns.emplace_back(*CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]); + + // Import key into wallet and call dumpwallet to create backup file. + { + CWallet wallet; + LOCK(wallet.cs_wallet); + wallet.mapKeyMetadata[coinbaseKey.GetPubKey().GetID()].nCreateTime = KEY_TIME; + wallet.AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey()); + + JSONRPCRequest request; + request.params.setArray(); + request.params.push_back("wallet.backup"); + ::pwalletMain = &wallet; + ::dumpwallet(request); + } + + // Call importwallet RPC and verify all blocks with timestamps >= BLOCK_TIME + // were scanned, and no prior blocks were scanned. + { + CWallet wallet; + + JSONRPCRequest request; + request.params.setArray(); + request.params.push_back("wallet.backup"); + ::pwalletMain = &wallet; + ::importwallet(request); + + BOOST_CHECK_EQUAL(wallet.mapWallet.size(), 3); + BOOST_CHECK_EQUAL(coinbaseTxns.size(), 103); + for (size_t i = 0; i < coinbaseTxns.size(); ++i) { + bool found = wallet.GetWalletTx(coinbaseTxns[i].GetHash()); + bool expected = i >= 100; + BOOST_CHECK_EQUAL(found, expected); + } + } + + SetMockTime(0); + ::pwalletMain = pwalletMainBackup; +} + // Check that GetImmatureCredit() returns a newly calculated value instead of // the cached value after a MarkDirty() call. // @@ -515,4 +578,104 @@ BOOST_AUTO_TEST_CASE(ComputeTimeSmart) SetMockTime(0); } +BOOST_AUTO_TEST_CASE(LoadReceiveRequests) +{ + CTxDestination dest = CKeyID(); + pwalletMain->AddDestData(dest, "misc", "val_misc"); + pwalletMain->AddDestData(dest, "rr0", "val_rr0"); + pwalletMain->AddDestData(dest, "rr1", "val_rr1"); + + auto values = pwalletMain->GetDestValues("rr"); + BOOST_CHECK_EQUAL(values.size(), 2); + BOOST_CHECK_EQUAL(values[0], "val_rr0"); + BOOST_CHECK_EQUAL(values[1], "val_rr1"); +} + +class ListCoinsTestingSetup : public TestChain100Setup +{ +public: + ListCoinsTestingSetup() + { + CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())); + ::bitdb.MakeMock(); + wallet.reset(new CWallet(std::unique_ptr<CWalletDBWrapper>(new CWalletDBWrapper(&bitdb, "wallet_test.dat")))); + bool firstRun; + wallet->LoadWallet(firstRun); + LOCK(wallet->cs_wallet); + wallet->AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey()); + wallet->ScanForWalletTransactions(chainActive.Genesis()); + } + + ~ListCoinsTestingSetup() + { + wallet.reset(); + ::bitdb.Flush(true); + ::bitdb.Reset(); + } + + CWalletTx& AddTx(CRecipient recipient) + { + CWalletTx wtx; + CReserveKey reservekey(wallet.get()); + CAmount fee; + int changePos = -1; + std::string error; + BOOST_CHECK(wallet->CreateTransaction({recipient}, wtx, reservekey, fee, changePos, error)); + CValidationState state; + BOOST_CHECK(wallet->CommitTransaction(wtx, reservekey, nullptr, state)); + auto it = wallet->mapWallet.find(wtx.GetHash()); + BOOST_CHECK(it != wallet->mapWallet.end()); + CreateAndProcessBlock({CMutableTransaction(*it->second.tx)}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())); + it->second.SetMerkleBranch(chainActive.Tip(), 1); + return it->second; + } + + std::unique_ptr<CWallet> wallet; +}; + +BOOST_FIXTURE_TEST_CASE(ListCoins, ListCoinsTestingSetup) +{ + std::string coinbaseAddress = coinbaseKey.GetPubKey().GetID().ToString(); + LOCK(wallet->cs_wallet); + + // Confirm ListCoins initially returns 1 coin grouped under coinbaseKey + // address. + auto list = wallet->ListCoins(); + BOOST_CHECK_EQUAL(list.size(), 1); + BOOST_CHECK_EQUAL(boost::get<CKeyID>(list.begin()->first).ToString(), coinbaseAddress); + BOOST_CHECK_EQUAL(list.begin()->second.size(), 1); + + // Check initial balance from one mature coinbase transaction. + BOOST_CHECK_EQUAL(50 * COIN, wallet->GetAvailableBalance()); + + // Add a transaction creating a change address, and confirm ListCoins still + // returns the coin associated with the change address underneath the + // coinbaseKey pubkey, even though the change address has a different + // pubkey. + AddTx(CRecipient{GetScriptForRawPubKey({}), 1 * COIN, false /* subtract fee */}); + list = wallet->ListCoins(); + BOOST_CHECK_EQUAL(list.size(), 1); + BOOST_CHECK_EQUAL(boost::get<CKeyID>(list.begin()->first).ToString(), coinbaseAddress); + BOOST_CHECK_EQUAL(list.begin()->second.size(), 2); + + // Lock both coins. Confirm number of available coins drops to 0. + std::vector<COutput> available; + wallet->AvailableCoins(available); + BOOST_CHECK_EQUAL(available.size(), 2); + for (const auto& group : list) { + for (const auto& coin : group.second) { + wallet->LockCoin(COutPoint(coin.tx->GetHash(), coin.i)); + } + } + wallet->AvailableCoins(available); + BOOST_CHECK_EQUAL(available.size(), 0); + + // Confirm ListCoins still returns same result as before, despite coins + // being locked. + list = wallet->ListCoins(); + BOOST_CHECK_EQUAL(list.size(), 1); + BOOST_CHECK_EQUAL(boost::get<CKeyID>(list.begin()->first).ToString(), coinbaseAddress); + BOOST_CHECK_EQUAL(list.begin()->second.size(), 2); +} + BOOST_AUTO_TEST_SUITE_END() diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index 3c3f6b1a23..bc98435249 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -982,6 +982,13 @@ bool CWallet::AddToWalletIfInvolvingMe(const CTransactionRef& ptx, const CBlockI return false; } +bool CWallet::TransactionCanBeAbandoned(const uint256& hashTx) const +{ + LOCK2(cs_main, cs_wallet); + const CWalletTx* wtx = GetWalletTx(hashTx); + return wtx && !wtx->isAbandoned() && wtx->GetDepthInMainChain() <= 0 && !wtx->InMempool(); +} + bool CWallet::AbandonTransaction(const uint256& hashTx) { LOCK2(cs_main, cs_wallet); @@ -1781,8 +1788,8 @@ bool CWalletTx::IsEquivalentTo(const CWalletTx& _tx) const { CMutableTransaction tx1 = *this->tx; CMutableTransaction tx2 = *_tx.tx; - for (unsigned int i = 0; i < tx1.vin.size(); i++) tx1.vin[i].scriptSig = CScript(); - for (unsigned int i = 0; i < tx2.vin.size(); i++) tx2.vin[i].scriptSig = CScript(); + for (auto& txin : tx1.vin) txin.scriptSig = CScript(); + for (auto& txin : tx2.vin) txin.scriptSig = CScript(); return CTransaction(tx1) == CTransaction(tx2); } @@ -1977,6 +1984,21 @@ CAmount CWallet::GetLegacyBalance(const isminefilter& filter, int minDepth, cons return balance; } +CAmount CWallet::GetAvailableBalance(const CCoinControl* coinControl) const +{ + LOCK2(cs_main, cs_wallet); + + CAmount balance = 0; + std::vector<COutput> vCoins; + AvailableCoins(vCoins, true, coinControl); + for (const COutput& out : vCoins) { + if (out.fSpendable) { + balance += out.tx->tx->vout[out.i].nValue; + } + } + return balance; +} + void CWallet::AvailableCoins(std::vector<COutput> &vCoins, bool fOnlySafe, const CCoinControl *coinControl, const CAmount &nMinimumAmount, const CAmount &nMaximumAmount, const CAmount &nMinimumSumAmount, const uint64_t &nMaximumCount, const int &nMinDepth, const int &nMaxDepth) const { vCoins.clear(); @@ -2088,6 +2110,69 @@ void CWallet::AvailableCoins(std::vector<COutput> &vCoins, bool fOnlySafe, const } } +std::map<CTxDestination, std::vector<COutput>> CWallet::ListCoins() const +{ + // TODO: Add AssertLockHeld(cs_wallet) here. + // + // Because the return value from this function contains pointers to + // CWalletTx objects, callers to this function really should acquire the + // cs_wallet lock before calling it. However, the current caller doesn't + // acquire this lock yet. There was an attempt to add the missing lock in + // https://github.com/bitcoin/bitcoin/pull/10340, but that change has been + // postponed until after https://github.com/bitcoin/bitcoin/pull/10244 to + // avoid adding some extra complexity to the Qt code. + + std::map<CTxDestination, std::vector<COutput>> result; + + std::vector<COutput> availableCoins; + AvailableCoins(availableCoins); + + LOCK2(cs_main, cs_wallet); + for (auto& coin : availableCoins) { + CTxDestination address; + if (coin.fSpendable && + ExtractDestination(FindNonChangeParentOutput(*coin.tx->tx, coin.i).scriptPubKey, address)) { + result[address].emplace_back(std::move(coin)); + } + } + + std::vector<COutPoint> lockedCoins; + ListLockedCoins(lockedCoins); + for (const auto& output : lockedCoins) { + auto it = mapWallet.find(output.hash); + if (it != mapWallet.end()) { + int depth = it->second.GetDepthInMainChain(); + if (depth >= 0 && output.n < it->second.tx->vout.size() && + IsMine(it->second.tx->vout[output.n]) == ISMINE_SPENDABLE) { + CTxDestination address; + if (ExtractDestination(FindNonChangeParentOutput(*it->second.tx, output.n).scriptPubKey, address)) { + result[address].emplace_back( + &it->second, output.n, depth, true /* spendable */, true /* solvable */, false /* safe */); + } + } + } + } + + return result; +} + +const CTxOut& CWallet::FindNonChangeParentOutput(const CTransaction& tx, int output) const +{ + const CTransaction* ptx = &tx; + int n = output; + while (IsChange(ptx->vout[n]) && ptx->vin.size() > 0) { + const COutPoint& prevout = ptx->vin[0].prevout; + auto it = mapWallet.find(prevout.hash); + if (it == mapWallet.end() || it->second.tx->vout.size() <= prevout.n || + !IsMine(it->second.tx->vout[prevout.n])) { + break; + } + ptx = it->second.tx.get(); + n = prevout.n; + } + return ptx->vout[n]; +} + static void ApproximateBestSubset(const std::vector<CInputCoin>& vValue, const CAmount& nTotalLower, const CAmount& nTargetValue, std::vector<char>& vfBest, CAmount& nBest, int iterations = 1000) { @@ -2183,10 +2268,10 @@ bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const int nConfMin if (nTotalLower == nTargetValue) { - for (unsigned int i = 0; i < vValue.size(); ++i) + for (const auto& input : vValue) { - setCoinsRet.insert(vValue[i]); - nValueRet += vValue[i].txout.nValue; + setCoinsRet.insert(input); + nValueRet += input.txout.nValue; } return true; } @@ -2316,7 +2401,7 @@ bool CWallet::SignTransaction(CMutableTransaction &tx) // sign the new tx CTransaction txNewConst(tx); int nIn = 0; - for (auto& input : tx.vin) { + for (const auto& input : tx.vin) { std::map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(input.prevout.hash); if(mi == mapWallet.end() || input.prevout.n >= mi->second.tx->vout.size()) { return false; @@ -3255,11 +3340,11 @@ std::set< std::set<CTxDestination> > CWallet::GetAddressGroupings() } // group lone addrs by themselves - for (unsigned int i = 0; i < pcoin->tx->vout.size(); i++) - if (IsMine(pcoin->tx->vout[i])) + for (const auto& txout : pcoin->tx->vout) + if (IsMine(txout)) { CTxDestination address; - if(!ExtractDestination(pcoin->tx->vout[i].scriptPubKey, address)) + if(!ExtractDestination(txout.scriptPubKey, address)) continue; grouping.insert(address); groupings.insert(grouping); @@ -3407,7 +3492,7 @@ bool CWallet::IsLockedCoin(uint256 hash, unsigned int n) const return (setLockedCoins.count(outpt) > 0); } -void CWallet::ListLockedCoins(std::vector<COutPoint>& vOutpts) +void CWallet::ListLockedCoins(std::vector<COutPoint>& vOutpts) const { AssertLockHeld(cs_wallet); // setLockedCoins for (std::set<COutPoint>::iterator it = setLockedCoins.begin(); @@ -3608,6 +3693,20 @@ bool CWallet::GetDestData(const CTxDestination &dest, const std::string &key, st return false; } +std::vector<std::string> CWallet::GetDestValues(const std::string& prefix) const +{ + LOCK(cs_wallet); + std::vector<std::string> values; + for (const auto& address : mapAddressBook) { + for (const auto& data : address.second.destdata) { + if (!data.first.compare(0, prefix.size(), prefix)) { + values.emplace_back(data.second); + } + } + } + return values; +} + std::string CWallet::GetWalletHelpString(bool showDebug) { std::string strUsage = HelpMessageGroup(_("Wallet options:")); diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h index 69f51b3f64..11b2f7a663 100644 --- a/src/wallet/wallet.h +++ b/src/wallet/wallet.h @@ -821,6 +821,16 @@ public: void AvailableCoins(std::vector<COutput>& vCoins, bool fOnlySafe=true, const CCoinControl *coinControl = NULL, const CAmount& nMinimumAmount = 1, const CAmount& nMaximumAmount = MAX_MONEY, const CAmount& nMinimumSumAmount = MAX_MONEY, const uint64_t& nMaximumCount = 0, const int& nMinDepth = 0, const int& nMaxDepth = 9999999) const; /** + * Return list of available coins and locked coins grouped by non-change output address. + */ + std::map<CTxDestination, std::vector<COutput>> ListCoins() const; + + /** + * Find non-change parent output. + */ + const CTxOut& FindNonChangeParentOutput(const CTransaction& tx, int output) const; + + /** * Shuffle and select coins until nTargetValue is reached while avoiding * small change; This method is stochastic for some inputs and upon * completion the coin set and corresponding actual target value is @@ -834,7 +844,7 @@ public: void LockCoin(const COutPoint& output); void UnlockCoin(const COutPoint& output); void UnlockAllCoins(); - void ListLockedCoins(std::vector<COutPoint>& vOutpts); + void ListLockedCoins(std::vector<COutPoint>& vOutpts) const; /* * Rescan abort properties @@ -873,6 +883,8 @@ public: bool LoadDestData(const CTxDestination &dest, const std::string &key, const std::string &value); //! Look up a destination data tuple in the store, return true if found false otherwise bool GetDestData(const CTxDestination &dest, const std::string &key, std::string *value) const; + //! Get all destination values matching a prefix. + std::vector<std::string> GetDestValues(const std::string& prefix) const; //! Adds a watch-only address to the store, and saves it to disk. bool AddWatchOnly(const CScript& dest, int64_t nCreateTime); @@ -917,6 +929,7 @@ public: CAmount GetUnconfirmedWatchOnlyBalance() const; CAmount GetImmatureWatchOnlyBalance() const; CAmount GetLegacyBalance(const isminefilter& filter, int minDepth, const std::string* account) const; + CAmount GetAvailableBalance(const CCoinControl* coinControl = nullptr) const; /** * Insert additional inputs into the transaction by @@ -1066,6 +1079,9 @@ public: /** Set whether this wallet broadcasts transactions. */ void SetBroadcastTransactions(bool broadcast) { fBroadcastTransactions = broadcast; } + /** Return whether transaction can be abandoned */ + bool TransactionCanBeAbandoned(const uint256& hashTx) const; + /* Mark a transaction (and it in-wallet descendants) as abandoned so its inputs may be respent. */ bool AbandonTransaction(const uint256& hashTx); diff --git a/test/functional/bip9-softforks.py b/test/functional/bip9-softforks.py index 1b2dff63d2..fff47fcca9 100755 --- a/test/functional/bip9-softforks.py +++ b/test/functional/bip9-softforks.py @@ -99,12 +99,43 @@ class BIP9SoftForksTest(ComparisonTestFramework): assert_equal(self.get_bip9_status(bipName)['status'], 'started') assert_equal(self.get_bip9_status(bipName)['since'], 144) + assert_equal(self.get_bip9_status(bipName)['statistics']['elapsed'], 0) + assert_equal(self.get_bip9_status(bipName)['statistics']['count'], 0) tmpl = self.nodes[0].getblocktemplate({}) assert(bipName not in tmpl['rules']) assert_equal(tmpl['vbavailable'][bipName], bitno) assert_equal(tmpl['vbrequired'], 0) assert(tmpl['version'] & activated_version) + # Test 1-A + # check stats after max number of "signalling not" blocks such that LOCKED_IN still possible this period + test_blocks = self.generate_blocks(36, 4, test_blocks) # 0x00000004 (signalling not) + test_blocks = self.generate_blocks(10, activated_version) # 0x20000001 (signalling ready) + yield TestInstance(test_blocks, sync_every_block=False) + + assert_equal(self.get_bip9_status(bipName)['statistics']['elapsed'], 46) + assert_equal(self.get_bip9_status(bipName)['statistics']['count'], 10) + assert_equal(self.get_bip9_status(bipName)['statistics']['possible'], True) + + # Test 1-B + # check stats after one additional "signalling not" block -- LOCKED_IN no longer possible this period + test_blocks = self.generate_blocks(1, 4, test_blocks) # 0x00000004 (signalling not) + yield TestInstance(test_blocks, sync_every_block=False) + + assert_equal(self.get_bip9_status(bipName)['statistics']['elapsed'], 47) + assert_equal(self.get_bip9_status(bipName)['statistics']['count'], 10) + assert_equal(self.get_bip9_status(bipName)['statistics']['possible'], False) + + # Test 1-C + # finish period with "ready" blocks, but soft fork will still fail to advance to LOCKED_IN + test_blocks = self.generate_blocks(97, activated_version) # 0x20000001 (signalling ready) + yield TestInstance(test_blocks, sync_every_block=False) + + assert_equal(self.get_bip9_status(bipName)['statistics']['elapsed'], 0) + assert_equal(self.get_bip9_status(bipName)['statistics']['count'], 0) + assert_equal(self.get_bip9_status(bipName)['statistics']['possible'], True) + assert_equal(self.get_bip9_status(bipName)['status'], 'started') + # Test 2 # Fail to achieve LOCKED_IN 100 out of 144 signal bit 1 # using a variety of bits to simulate multiple parallel softforks @@ -116,6 +147,8 @@ class BIP9SoftForksTest(ComparisonTestFramework): assert_equal(self.get_bip9_status(bipName)['status'], 'started') assert_equal(self.get_bip9_status(bipName)['since'], 144) + assert_equal(self.get_bip9_status(bipName)['statistics']['elapsed'], 0) + assert_equal(self.get_bip9_status(bipName)['statistics']['count'], 0) tmpl = self.nodes[0].getblocktemplate({}) assert(bipName not in tmpl['rules']) assert_equal(tmpl['vbavailable'][bipName], bitno) @@ -125,14 +158,24 @@ class BIP9SoftForksTest(ComparisonTestFramework): # Test 3 # 108 out of 144 signal bit 1 to achieve LOCKED_IN # using a variety of bits to simulate multiple parallel softforks - test_blocks = self.generate_blocks(58, activated_version) # 0x20000001 (signalling ready) + test_blocks = self.generate_blocks(57, activated_version) # 0x20000001 (signalling ready) test_blocks = self.generate_blocks(26, 4, test_blocks) # 0x00000004 (signalling not) test_blocks = self.generate_blocks(50, activated_version, test_blocks) # 0x20000101 (signalling ready) test_blocks = self.generate_blocks(10, 4, test_blocks) # 0x20010000 (signalling not) yield TestInstance(test_blocks, sync_every_block=False) + # check counting stats and "possible" flag before last block of this period achieves LOCKED_IN... + assert_equal(self.get_bip9_status(bipName)['statistics']['elapsed'], 143) + assert_equal(self.get_bip9_status(bipName)['statistics']['count'], 107) + assert_equal(self.get_bip9_status(bipName)['statistics']['possible'], True) + assert_equal(self.get_bip9_status(bipName)['status'], 'started') + + # ...continue with Test 3 + test_blocks = self.generate_blocks(1, activated_version) # 0x20000001 (signalling ready) + yield TestInstance(test_blocks, sync_every_block=False) + assert_equal(self.get_bip9_status(bipName)['status'], 'locked_in') - assert_equal(self.get_bip9_status(bipName)['since'], 432) + assert_equal(self.get_bip9_status(bipName)['since'], 576) tmpl = self.nodes[0].getblocktemplate({}) assert(bipName not in tmpl['rules']) @@ -142,7 +185,7 @@ class BIP9SoftForksTest(ComparisonTestFramework): yield TestInstance(test_blocks, sync_every_block=False) assert_equal(self.get_bip9_status(bipName)['status'], 'locked_in') - assert_equal(self.get_bip9_status(bipName)['since'], 432) + assert_equal(self.get_bip9_status(bipName)['since'], 576) tmpl = self.nodes[0].getblocktemplate({}) assert(bipName not in tmpl['rules']) @@ -168,7 +211,7 @@ class BIP9SoftForksTest(ComparisonTestFramework): yield TestInstance([[block, True]]) assert_equal(self.get_bip9_status(bipName)['status'], 'active') - assert_equal(self.get_bip9_status(bipName)['since'], 576) + assert_equal(self.get_bip9_status(bipName)['since'], 720) tmpl = self.nodes[0].getblocktemplate({}) assert(bipName in tmpl['rules']) assert(bipName not in tmpl['vbavailable']) diff --git a/test/functional/blockchain.py b/test/functional/blockchain.py index 8596f1edaf..4bfd3ee677 100755 --- a/test/functional/blockchain.py +++ b/test/functional/blockchain.py @@ -32,7 +32,7 @@ class BlockchainTest(BitcoinTestFramework): def __init__(self): super().__init__() self.setup_clean_chain = False - self.num_nodes = 2 + self.num_nodes = 1 def run_test(self): self._test_gettxoutsetinfo() @@ -49,9 +49,35 @@ class BlockchainTest(BitcoinTestFramework): assert_equal(res['transactions'], 200) assert_equal(res['height'], 200) assert_equal(res['txouts'], 200) - assert_equal(res['bytes_serialized'], 13924), + assert_equal(res['bestblock'], node.getblockhash(200)) + size = res['disk_size'] + assert size > 6400 + assert size < 64000 assert_equal(len(res['bestblock']), 64) - assert_equal(len(res['hash_serialized']), 64) + assert_equal(len(res['hash_serialized_2']), 64) + + self.log.info("Test that gettxoutsetinfo() works for blockchain with just the genesis block") + b1hash = node.getblockhash(1) + node.invalidateblock(b1hash) + + res2 = node.gettxoutsetinfo() + assert_equal(res2['transactions'], 0) + assert_equal(res2['total_amount'], Decimal('0')) + assert_equal(res2['height'], 0) + assert_equal(res2['txouts'], 0) + assert_equal(res2['bestblock'], node.getblockhash(0)) + assert_equal(len(res2['hash_serialized_2']), 64) + + self.log.info("Test that gettxoutsetinfo() returns the same result after invalidate/reconsider block") + node.reconsiderblock(b1hash) + + res3 = node.gettxoutsetinfo() + assert_equal(res['total_amount'], res3['total_amount']) + assert_equal(res['transactions'], res3['transactions']) + assert_equal(res['height'], res3['height']) + assert_equal(res['txouts'], res3['txouts']) + assert_equal(res['bestblock'], res3['bestblock']) + assert_equal(res['hash_serialized_2'], res3['hash_serialized_2']) def _test_getblockheader(self): node = self.nodes[0] diff --git a/test/functional/bumpfee.py b/test/functional/bumpfee.py index 54fd7740c1..aaed420690 100755 --- a/test/functional/bumpfee.py +++ b/test/functional/bumpfee.py @@ -88,6 +88,7 @@ def test_simple_bumpfee_succeeds(rbf_node, peer_node, dest_address): sync_mempools((rbf_node, peer_node)) assert rbfid in rbf_node.getrawmempool() and rbfid in peer_node.getrawmempool() bumped_tx = rbf_node.bumpfee(rbfid) + assert_equal(bumped_tx["errors"], []) assert bumped_tx["fee"] - abs(rbftx["fee"]) > 0 # check that bumped_tx propogates, original tx was evicted and has a wallet conflict sync_mempools((rbf_node, peer_node)) diff --git a/test/functional/pruning.py b/test/functional/pruning.py index 17019c658b..7995e418c9 100755 --- a/test/functional/pruning.py +++ b/test/functional/pruning.py @@ -34,10 +34,11 @@ class PruneTest(BitcoinTestFramework): # Create nodes 0 and 1 to mine. # Create node 2 to test pruning. + self.full_node_default_args = ["-maxreceivebuffer=20000","-blockmaxsize=999000", "-checkblocks=5", "-limitdescendantcount=100", "-limitdescendantsize=5000", "-limitancestorcount=100", "-limitancestorsize=5000" ] # Create nodes 3 and 4 to test manual pruning (they will be re-started with manual pruning later) # Create nodes 5 to test wallet in prune mode, but do not connect - self.extra_args = [["-maxreceivebuffer=20000", "-blockmaxsize=999000", "-checkblocks=5"], - ["-maxreceivebuffer=20000", "-blockmaxsize=999000", "-checkblocks=5"], + self.extra_args = [self.full_node_default_args, + self.full_node_default_args, ["-maxreceivebuffer=20000", "-prune=550"], ["-maxreceivebuffer=20000", "-blockmaxsize=999000"], ["-maxreceivebuffer=20000", "-blockmaxsize=999000"], @@ -97,12 +98,15 @@ class PruneTest(BitcoinTestFramework): # Node 2 stays connected, so it hears about the stale blocks and then reorg's when node0 reconnects # Stopping node 0 also clears its mempool, so it doesn't have node1's transactions to accidentally mine self.stop_node(0) - self.nodes[0]=start_node(0, self.options.tmpdir, ["-maxreceivebuffer=20000","-blockmaxsize=999000", "-checkblocks=5"], timewait=900) + self.nodes[0]=start_node(0, self.options.tmpdir, self.full_node_default_args, timewait=900) # Mine 24 blocks in node 1 for i in range(24): if j == 0: mine_large_block(self.nodes[1], self.utxo_cache_1) else: + # Add node1's wallet transactions back to the mempool, to + # avoid the mined blocks from being too small. + self.nodes[1].resendwallettransactions() self.nodes[1].generate(1) #tx's already in mempool from previous disconnects # Reorg back with 25 block chain from node 0 @@ -159,6 +163,11 @@ class PruneTest(BitcoinTestFramework): self.log.info("Usage possibly still high bc of stale blocks in block files: %d" % calc_usage(self.prunedir)) self.log.info("Mine 220 more blocks so we have requisite history (some blocks will be big and cause pruning of previous chain)") + + # Get node0's wallet transactions back in its mempool, to avoid the + # mined blocks from being too small. + self.nodes[0].resendwallettransactions() + for i in range(22): # This can be slow, so do this in multiple RPC calls to avoid # RPC timeouts. |