diff options
Diffstat (limited to 'src/interfaces')
-rw-r--r-- | src/interfaces/chain.cpp | 118 | ||||
-rw-r--r-- | src/interfaces/chain.h | 75 | ||||
-rw-r--r-- | src/interfaces/wallet.cpp | 17 |
3 files changed, 136 insertions, 74 deletions
diff --git a/src/interfaces/chain.cpp b/src/interfaces/chain.cpp index 0b3cd08e22..c8311b2986 100644 --- a/src/interfaces/chain.cpp +++ b/src/interfaces/chain.cpp @@ -38,6 +38,21 @@ namespace interfaces { namespace { +bool FillBlock(const CBlockIndex* index, const FoundBlock& block, UniqueLock<RecursiveMutex>& lock) +{ + if (!index) return false; + if (block.m_hash) *block.m_hash = index->GetBlockHash(); + if (block.m_height) *block.m_height = index->nHeight; + if (block.m_time) *block.m_time = index->GetBlockTime(); + if (block.m_max_time) *block.m_max_time = index->GetBlockTimeMax(); + if (block.m_mtp_time) *block.m_mtp_time = index->GetMedianTimePast(); + if (block.m_data) { + REVERSE_LOCK(lock); + if (!ReadBlockFromDisk(*block.m_data, index, Params().GetConsensus())) block.m_data->SetNull(); + } + return true; +} + class LockImpl : public Chain::Lock, public UniqueLock<RecursiveMutex> { Optional<int> getHeight() override @@ -65,20 +80,6 @@ class LockImpl : public Chain::Lock, public UniqueLock<RecursiveMutex> assert(block != nullptr); return block->GetBlockHash(); } - int64_t getBlockTime(int height) override - { - LockAssertion lock(::cs_main); - CBlockIndex* block = ::ChainActive()[height]; - assert(block != nullptr); - return block->GetBlockTime(); - } - int64_t getBlockMedianTimePast(int height) override - { - LockAssertion lock(::cs_main); - CBlockIndex* block = ::ChainActive()[height]; - assert(block != nullptr); - return block->GetMedianTimePast(); - } bool haveBlockOnDisk(int height) override { LockAssertion lock(::cs_main); @@ -95,20 +96,6 @@ class LockImpl : public Chain::Lock, public UniqueLock<RecursiveMutex> } return nullopt; } - Optional<int> findPruned(int start_height, Optional<int> stop_height) override - { - LockAssertion lock(::cs_main); - if (::fPruneMode) { - CBlockIndex* block = stop_height ? ::ChainActive()[*stop_height] : ::ChainActive().Tip(); - while (block && block->nHeight >= start_height) { - if ((block->nStatus & BLOCK_HAVE_DATA) == 0) { - return block->nHeight; - } - block = block->pprev; - } - } - return nullopt; - } Optional<int> findFork(const uint256& hash, Optional<int>* height) override { LockAssertion lock(::cs_main); @@ -247,26 +234,48 @@ public: std::unique_ptr<Chain::Lock> result = std::move(lock); // Temporary to avoid CWG 1579 return result; } - bool findBlock(const uint256& hash, CBlock* block, int64_t* time, int64_t* time_max) override + bool findBlock(const uint256& hash, const FoundBlock& block) override { - CBlockIndex* index; - { - LOCK(cs_main); - index = LookupBlockIndex(hash); - if (!index) { - return false; - } - if (time) { - *time = index->GetBlockTime(); - } - if (time_max) { - *time_max = index->GetBlockTimeMax(); + WAIT_LOCK(cs_main, lock); + return FillBlock(LookupBlockIndex(hash), block, lock); + } + bool findFirstBlockWithTimeAndHeight(int64_t min_time, int min_height, const FoundBlock& block) override + { + WAIT_LOCK(cs_main, lock); + return FillBlock(ChainActive().FindEarliestAtLeast(min_time, min_height), block, lock); + } + bool findNextBlock(const uint256& block_hash, int block_height, const FoundBlock& next, bool* reorg) override { + WAIT_LOCK(cs_main, lock); + CBlockIndex* block = ChainActive()[block_height]; + if (block && block->GetBlockHash() != block_hash) block = nullptr; + if (reorg) *reorg = !block; + return FillBlock(block ? ChainActive()[block_height + 1] : nullptr, next, lock); + } + bool findAncestorByHeight(const uint256& block_hash, int ancestor_height, const FoundBlock& ancestor_out) override + { + WAIT_LOCK(cs_main, lock); + if (const CBlockIndex* block = LookupBlockIndex(block_hash)) { + if (const CBlockIndex* ancestor = block->GetAncestor(ancestor_height)) { + return FillBlock(ancestor, ancestor_out, lock); } } - if (block && !ReadBlockFromDisk(*block, index, Params().GetConsensus())) { - block->SetNull(); - } - return true; + return FillBlock(nullptr, ancestor_out, lock); + } + bool findAncestorByHash(const uint256& block_hash, const uint256& ancestor_hash, const FoundBlock& ancestor_out) override + { + WAIT_LOCK(cs_main, lock); + const CBlockIndex* block = LookupBlockIndex(block_hash); + const CBlockIndex* ancestor = LookupBlockIndex(ancestor_hash); + if (block && ancestor && block->GetAncestor(ancestor->nHeight) != ancestor) ancestor = nullptr; + return FillBlock(ancestor, ancestor_out, lock); + } + bool findCommonAncestor(const uint256& block_hash1, const uint256& block_hash2, const FoundBlock& ancestor_out, const FoundBlock& block1_out, const FoundBlock& block2_out) override + { + WAIT_LOCK(cs_main, lock); + const CBlockIndex* block1 = LookupBlockIndex(block_hash1); + const CBlockIndex* block2 = LookupBlockIndex(block_hash2); + const CBlockIndex* ancestor = block1 && block2 ? LastCommonAncestor(block1, block2) : nullptr; + return FillBlock(ancestor, ancestor_out, lock) & FillBlock(block1, block1_out, lock) & FillBlock(block2, block2_out, lock); } void findCoins(std::map<COutPoint, Coin>& coins) override { return FindCoins(m_node, coins); } double guessVerificationProgress(const uint256& block_hash) override @@ -274,6 +283,25 @@ public: LOCK(cs_main); return GuessVerificationProgress(Params().TxData(), LookupBlockIndex(block_hash)); } + bool hasBlocks(const uint256& block_hash, int min_height, Optional<int> max_height) override + { + // hasBlocks returns true if all ancestors of block_hash in specified + // range have block data (are not pruned), false if any ancestors in + // specified range are missing data. + // + // For simplicity and robustness, min_height and max_height are only + // used to limit the range, and passing min_height that's too low or + // max_height that's too high will not crash or change the result. + LOCK(::cs_main); + if (CBlockIndex* block = LookupBlockIndex(block_hash)) { + if (max_height && block->nHeight >= *max_height) block = block->GetAncestor(*max_height); + for (; block->nStatus & BLOCK_HAVE_DATA; block = block->pprev) { + // Check pprev to not segfault if min_height is too low + if (block->nHeight <= min_height || !block->pprev) return true; + } + } + return false; + } RBFTransactionState isRBFOptIn(const CTransaction& tx) override { LOCK(::mempool.cs); diff --git a/src/interfaces/chain.h b/src/interfaces/chain.h index ffa9e90c79..fb77c81cdc 100644 --- a/src/interfaces/chain.h +++ b/src/interfaces/chain.h @@ -30,6 +30,27 @@ namespace interfaces { class Handler; class Wallet; +//! Helper for findBlock to selectively return pieces of block data. +class FoundBlock +{ +public: + FoundBlock& hash(uint256& hash) { m_hash = &hash; return *this; } + FoundBlock& height(int& height) { m_height = &height; return *this; } + FoundBlock& time(int64_t& time) { m_time = &time; return *this; } + FoundBlock& maxTime(int64_t& max_time) { m_max_time = &max_time; return *this; } + FoundBlock& mtpTime(int64_t& mtp_time) { m_mtp_time = &mtp_time; return *this; } + //! Read block data from disk. If the block exists but doesn't have data + //! (for example due to pruning), the CBlock variable will be set to null. + FoundBlock& data(CBlock& data) { m_data = &data; return *this; } + + uint256* m_hash = nullptr; + int* m_height = nullptr; + int64_t* m_time = nullptr; + int64_t* m_max_time = nullptr; + int64_t* m_mtp_time = nullptr; + CBlock* m_data = nullptr; +}; + //! Interface giving clients (wallet processes, maybe other analysis tools in //! the future) ability to access to the chain state, receive notifications, //! estimate fees, and submit transactions. @@ -79,13 +100,6 @@ public: //! Get block hash. Height must be valid or this function will abort. virtual uint256 getBlockHash(int height) = 0; - //! Get block time. Height must be valid or this function will abort. - virtual int64_t getBlockTime(int height) = 0; - - //! Get block median time past. Height must be valid or this function - //! will abort. - virtual int64_t getBlockMedianTimePast(int height) = 0; - //! Check that the block is available on disk (i.e. has not been //! pruned), and contains transactions. virtual bool haveBlockOnDisk(int height) = 0; @@ -97,10 +111,6 @@ public: //! (to avoid the cost of a second lookup in case this information is needed.) virtual Optional<int> findFirstBlockWithTimeAndHeight(int64_t time, int height, uint256* hash) = 0; - //! Return height of last block in the specified range which is pruned, or - //! nullopt if no block in the range is pruned. Range is inclusive. - virtual Optional<int> findPruned(int start_height = 0, Optional<int> stop_height = nullopt) = 0; - //! Return height of the specified block if it is on the chain, otherwise //! return the height of the highest block on chain that's an ancestor //! of the specified block, or nullopt if there is no common ancestor. @@ -127,14 +137,36 @@ public: //! Return whether node has the block and optionally return block metadata //! or contents. - //! - //! If a block pointer is provided to retrieve the block contents, and the - //! block exists but doesn't have data (for example due to pruning), the - //! block will be empty and all fields set to null. - virtual bool findBlock(const uint256& hash, - CBlock* block = nullptr, - int64_t* time = nullptr, - int64_t* max_time = nullptr) = 0; + virtual bool findBlock(const uint256& hash, const FoundBlock& block={}) = 0; + + //! Find first block in the chain with timestamp >= the given time + //! and height >= than the given height, return false if there is no block + //! with a high enough timestamp and height. Optionally return block + //! information. + virtual bool findFirstBlockWithTimeAndHeight(int64_t min_time, int min_height, const FoundBlock& block={}) = 0; + + //! Find next block if block is part of current chain. Also flag if + //! there was a reorg and the specified block hash is no longer in the + //! current chain, and optionally return block information. + virtual bool findNextBlock(const uint256& block_hash, int block_height, const FoundBlock& next={}, bool* reorg=nullptr) = 0; + + //! Find ancestor of block at specified height and optionally return + //! ancestor information. + virtual bool findAncestorByHeight(const uint256& block_hash, int ancestor_height, const FoundBlock& ancestor_out={}) = 0; + + //! Return whether block descends from a specified ancestor, and + //! optionally return ancestor information. + virtual bool findAncestorByHash(const uint256& block_hash, + const uint256& ancestor_hash, + const FoundBlock& ancestor_out={}) = 0; + + //! Find most recent common ancestor between two blocks and optionally + //! return block information. + virtual bool findCommonAncestor(const uint256& block_hash1, + const uint256& block_hash2, + const FoundBlock& ancestor_out={}, + const FoundBlock& block1_out={}, + const FoundBlock& block2_out={}) = 0; //! Look up unspent output information. Returns coins in the mempool and in //! the current chain UTXO set. Iterates through all the keys in the map and @@ -145,6 +177,11 @@ public: //! the specified block hash are verified. virtual double guessVerificationProgress(const uint256& block_hash) = 0; + //! Return true if data is available for all blocks in the specified range + //! of blocks. This checks all blocks that are ancestors of block_hash in + //! the height range from min_height to max_height, inclusive. + virtual bool hasBlocks(const uint256& block_hash, int min_height = 0, Optional<int> max_height = {}) = 0; + //! Check if transaction is RBF opt in. virtual RBFTransactionState isRBFOptIn(const CTransaction& tx) = 0; diff --git a/src/interfaces/wallet.cpp b/src/interfaces/wallet.cpp index c6e0db34f7..73fe11f2af 100644 --- a/src/interfaces/wallet.cpp +++ b/src/interfaces/wallet.cpp @@ -14,6 +14,7 @@ #include <sync.h> #include <ui_interface.h> #include <uint256.h> +#include <util/check.h> #include <util/system.h> #include <wallet/feebumper.h> #include <wallet/fees.h> @@ -62,7 +63,7 @@ WalletTx MakeWalletTx(CWallet& wallet, const CWalletTx& wtx) WalletTxStatus MakeWalletTxStatus(interfaces::Chain::Lock& locked_chain, const CWalletTx& wtx) { WalletTxStatus result; - result.block_height = locked_chain.getBlockHeight(wtx.m_confirm.hashBlock).get_value_or(std::numeric_limits<int>::max()); + result.block_height = wtx.m_confirm.block_height > 0 ? wtx.m_confirm.block_height : std::numeric_limits<int>::max(); result.blocks_to_maturity = wtx.GetBlocksToMaturity(); result.depth_in_main_chain = wtx.GetDepthInMainChain(); result.time_received = wtx.nTimeReceived; @@ -318,13 +319,9 @@ public: if (mi == m_wallet->mapWallet.end()) { return false; } - if (Optional<int> height = locked_chain->getHeight()) { - num_blocks = *height; - block_time = locked_chain->getBlockTime(*height); - } else { - num_blocks = -1; - block_time = -1; - } + num_blocks = m_wallet->GetLastBlockHeight(); + block_time = -1; + CHECK_NONFATAL(m_wallet->chain().findBlock(m_wallet->GetLastBlockHash(), FoundBlock().time(block_time))); tx_status = MakeWalletTxStatus(*locked_chain, mi->second); return true; } @@ -373,12 +370,12 @@ public: { auto locked_chain = m_wallet->chain().lock(true /* try_lock */); if (!locked_chain) return false; - num_blocks = locked_chain->getHeight().get_value_or(-1); - if (!force && num_blocks == cached_num_blocks) return false; TRY_LOCK(m_wallet->cs_wallet, locked_wallet); if (!locked_wallet) { return false; } + num_blocks = m_wallet->GetLastBlockHeight(); + if (!force && num_blocks == cached_num_blocks) return false; balances = getBalances(); return true; } |