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Differential D8494 Diff 25954 src/interfaces/chain.cpp

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src/interfaces/chain.cpp

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CRPCCommand m_command; CRPCCommand m_command;
const CRPCCommand *m_wrapped_command; const CRPCCommand *m_wrapped_command;
}; };
class ChainImpl : public Chain { class ChainImpl : public Chain {
public: public:
explicit ChainImpl(NodeContext &node, const CChainParams &params) explicit ChainImpl(NodeContext &node, const CChainParams &params)
: m_node(node), m_params(params) {} : m_node(node), m_params(params) {}
Optional<int> getHeight() override { std::optional<int> getHeight() override {
LOCK(::cs_main); LOCK(::cs_main);
int height = ::ChainActive().Height(); int height = ::ChainActive().Height();
if (height >= 0) { if (height >= 0) {
return height; return height;
} }
return nullopt; return std::nullopt;
} }
Optional<int> getBlockHeight(const BlockHash &hash) override { std::optional<int> getBlockHeight(const BlockHash &hash) override {
LOCK(::cs_main); LOCK(::cs_main);
CBlockIndex *block = LookupBlockIndex(hash); CBlockIndex *block = LookupBlockIndex(hash);
if (block && ::ChainActive().Contains(block)) { if (block && ::ChainActive().Contains(block)) {
return block->nHeight; return block->nHeight;
} }
return nullopt; return std::nullopt;
} }
BlockHash getBlockHash(int height) override { BlockHash getBlockHash(int height) override {
LOCK(::cs_main); LOCK(::cs_main);
CBlockIndex *block = ::ChainActive()[height]; CBlockIndex *block = ::ChainActive()[height];
assert(block); assert(block);
return block->GetBlockHash(); return block->GetBlockHash();
} }
bool haveBlockOnDisk(int height) override { bool haveBlockOnDisk(int height) override {
LOCK(cs_main); LOCK(cs_main);
CBlockIndex *block = ::ChainActive()[height]; CBlockIndex *block = ::ChainActive()[height];
return block && (block->nStatus.hasData() != 0) && block->nTx > 0; return block && (block->nStatus.hasData() != 0) && block->nTx > 0;
} }
Optional<int> std::optional<int>
findFirstBlockWithTimeAndHeight(int64_t time, int height, findFirstBlockWithTimeAndHeight(int64_t time, int height,
BlockHash *hash) override { BlockHash *hash) override {
LOCK(cs_main); LOCK(cs_main);
CBlockIndex *block = CBlockIndex *block =
::ChainActive().FindEarliestAtLeast(time, height); ::ChainActive().FindEarliestAtLeast(time, height);
if (block) { if (block) {
if (hash) { if (hash) {
*hash = block->GetBlockHash(); *hash = block->GetBlockHash();
} }
return block->nHeight; return block->nHeight;
} }
return nullopt; return std::nullopt;
} }
CBlockLocator getTipLocator() override { CBlockLocator getTipLocator() override {
LOCK(cs_main); LOCK(cs_main);
return ::ChainActive().GetLocator(); return ::ChainActive().GetLocator();
} }
bool contextualCheckTransactionForCurrentBlock( bool contextualCheckTransactionForCurrentBlock(
const CTransaction &tx, TxValidationState &state) override { const CTransaction &tx, TxValidationState &state) override {
LOCK(cs_main); LOCK(cs_main);
return ContextualCheckTransactionForCurrentBlock( return ContextualCheckTransactionForCurrentBlock(
m_params.GetConsensus(), tx, state); m_params.GetConsensus(), tx, state);
} }
Optional<int> findLocatorFork(const CBlockLocator &locator) override { std::optional<int>
findLocatorFork(const CBlockLocator &locator) override {
LOCK(cs_main); LOCK(cs_main);
if (CBlockIndex *fork = if (CBlockIndex *fork =
FindForkInGlobalIndex(::ChainActive(), locator)) { FindForkInGlobalIndex(::ChainActive(), locator)) {
return fork->nHeight; return fork->nHeight;
} }
return nullopt; return std::nullopt;
} }
bool findBlock(const BlockHash &hash, bool findBlock(const BlockHash &hash,
const FoundBlock &block) override { const FoundBlock &block) override {
WAIT_LOCK(cs_main, lock); WAIT_LOCK(cs_main, lock);
return FillBlock(LookupBlockIndex(hash), block, lock); return FillBlock(LookupBlockIndex(hash), block, lock);
} }
bool findFirstBlockWithTimeAndHeight(int64_t min_time, int min_height, bool findFirstBlockWithTimeAndHeight(int64_t min_time, int min_height,
const FoundBlock &block) override { const FoundBlock &block) override {
▲ Show 20 Lines • Show All 57 Lines • ▼ Show 20 Lines public:
return FindCoins(m_node, coins); return FindCoins(m_node, coins);
} }
double guessVerificationProgress(const BlockHash &block_hash) override { double guessVerificationProgress(const BlockHash &block_hash) override {
LOCK(cs_main); LOCK(cs_main);
return GuessVerificationProgress(Params().TxData(), return GuessVerificationProgress(Params().TxData(),
LookupBlockIndex(block_hash)); LookupBlockIndex(block_hash));
} }
bool hasBlocks(const BlockHash &block_hash, int min_height, bool hasBlocks(const BlockHash &block_hash, int min_height,
Optional<int> max_height) override { std::optional<int> max_height) override {
// hasBlocks returns true if all ancestors of block_hash in // hasBlocks returns true if all ancestors of block_hash in
// specified range have block data (are not pruned), false if any // specified range have block data (are not pruned), false if any
// ancestors in specified range are missing data. // ancestors in specified range are missing data.
// //
// For simplicity and robustness, min_height and max_height are only // 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 // 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. // max_height that's too high will not crash or change the result.
LOCK(::cs_main); LOCK(::cs_main);
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