diff options
Diffstat (limited to 'src/interfaces/chain.cpp')
-rw-r--r-- | src/interfaces/chain.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/interfaces/chain.cpp b/src/interfaces/chain.cpp index 2571a91031..138d1bfd5f 100644 --- a/src/interfaces/chain.cpp +++ b/src/interfaces/chain.cpp @@ -4,7 +4,9 @@ #include <interfaces/chain.h> +#include <chain.h> #include <sync.h> +#include <uint256.h> #include <util/system.h> #include <validation.h> @@ -16,6 +18,34 @@ namespace { class LockImpl : public Chain::Lock { + Optional<int> getHeight() override + { + int height = ::chainActive.Height(); + if (height >= 0) { + return height; + } + return nullopt; + } + Optional<int> getBlockHeight(const uint256& hash) override + { + CBlockIndex* block = LookupBlockIndex(hash); + if (block && ::chainActive.Contains(block)) { + return block->nHeight; + } + return nullopt; + } + int getBlockDepth(const uint256& hash) override + { + const Optional<int> tip_height = getHeight(); + const Optional<int> height = getBlockHeight(hash); + return tip_height && height ? *tip_height - *height + 1 : 0; + } + uint256 getBlockHash(int height) override + { + CBlockIndex* block = ::chainActive[height]; + assert(block != nullptr); + return block->GetBlockHash(); + } }; class LockingStateImpl : public LockImpl, public UniqueLock<CCriticalSection> |