diff options
Diffstat (limited to 'src/interfaces/chain.h')
| -rw-r--r-- | src/interfaces/chain.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/interfaces/chain.h b/src/interfaces/chain.h index 037e8e9ff5..72862617b3 100644 --- a/src/interfaces/chain.h +++ b/src/interfaces/chain.h @@ -25,6 +25,7 @@ struct FeeCalculation; namespace interfaces { +class Handler; class Wallet; //! Interface giving clients (wallet processes, maybe other analysis tools in @@ -40,6 +41,12 @@ class Wallet; //! asynchronously //! (https://github.com/bitcoin/bitcoin/pull/10973#issuecomment-380101269). //! +//! * The isPotentialTip() and waitForNotifications() methods are too low-level +//! and should be replaced with a higher level +//! waitForNotificationsUpTo(block_hash) method that the wallet can call +//! instead +//! (https://github.com/bitcoin/bitcoin/pull/10973#discussion_r266995234). +//! //! * The relayTransactions() and submitToMemoryPool() methods could be replaced //! with a higher-level broadcastTransaction method //! (https://github.com/bitcoin/bitcoin/pull/14978#issuecomment-459373984). @@ -217,6 +224,25 @@ public: //! Send wallet load notification to the GUI. virtual void loadWallet(std::unique_ptr<Wallet> wallet) = 0; + + //! Chain notifications. + class Notifications + { + public: + virtual ~Notifications() {} + virtual void TransactionAddedToMempool(const CTransactionRef& tx) {} + virtual void TransactionRemovedFromMempool(const CTransactionRef& ptx) {} + virtual void BlockConnected(const CBlock& block, const std::vector<CTransactionRef>& tx_conflicted) {} + virtual void BlockDisconnected(const CBlock& block) {} + virtual void ChainStateFlushed(const CBlockLocator& locator) {} + virtual void ResendWalletTransactions(Lock& locked_chain, int64_t best_block_time) {} + }; + + //! Register handler for notifications. + virtual std::unique_ptr<Handler> handleNotifications(Notifications& notifications) = 0; + + //! Wait for pending notifications to be handled. + virtual void waitForNotifications() = 0; }; //! Interface to let node manage chain clients (wallets, or maybe tools for |