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-rw-r--r--src/interfaces/chain.h29
1 files changed, 9 insertions, 20 deletions
diff --git a/src/interfaces/chain.h b/src/interfaces/chain.h
index 85d09be0f3..1a49518d69 100644
--- a/src/interfaces/chain.h
+++ b/src/interfaces/chain.h
@@ -44,6 +44,10 @@ public:
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; }
+ //! Return whether block is in the active (most-work) chain.
+ FoundBlock& inActiveChain(bool& in_active_chain) { m_in_active_chain = &in_active_chain; return *this; }
+ //! Return next block in the active chain if current block is in the active chain.
+ FoundBlock& nextBlock(const FoundBlock& next_block) { m_next_block = &next_block; 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; }
@@ -53,6 +57,8 @@ public:
int64_t* m_time = nullptr;
int64_t* m_max_time = nullptr;
int64_t* m_mtp_time = nullptr;
+ bool* m_in_active_chain = nullptr;
+ const FoundBlock* m_next_block = nullptr;
CBlock* m_data = nullptr;
};
@@ -77,9 +83,9 @@ public:
//! wallet cache it, fee estimation being driven by node mempool, wallet
//! should be the consumer.
//!
-//! * The `guessVerificationProgress`, `getBlockHeight`, `getBlockHash`, etc
-//! methods can go away if rescan logic is moved on the node side, and wallet
-//! only register rescan request.
+//! * `guessVerificationProgress` and similar methods can go away if rescan
+//! logic moves out of the wallet, and the wallet just requests scans from the
+//! node (https://github.com/bitcoin/bitcoin/issues/11756)
class Chain
{
public:
@@ -90,11 +96,6 @@ public:
//! any blocks)
virtual Optional<int> getHeight() = 0;
- //! Get block height above genesis block. Returns 0 for genesis block,
- //! 1 for following block, and so on. Returns nullopt for a block not
- //! included in the current chain.
- virtual Optional<int> getBlockHeight(const uint256& hash) = 0;
-
//! Get block hash. Height must be valid or this function will abort.
virtual uint256 getBlockHash(int height) = 0;
@@ -102,13 +103,6 @@ public:
//! pruned), and contains transactions.
virtual bool haveBlockOnDisk(int height) = 0;
- //! Return height of the first block in the chain with timestamp equal
- //! or greater than the given time and height equal or greater than the
- //! given height, or nullopt if there is no block with a high enough
- //! timestamp and height. Also return the block hash as an optional output parameter
- //! (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;
-
//! Get locator for the current chain tip.
virtual CBlockLocator getTipLocator() = 0;
@@ -130,11 +124,6 @@ public:
//! 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;