X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Fchain%2Fchaininterface.rs;h=f99f581f133a4fea18642c152444418d250a25f1;hb=68e6beab7cfb1be6f3d6d1356c7da90b0227849a;hp=f456afda691b023c3285ffe466aecb9bfd411f76;hpb=fbe4f7a442f4e969bf22dfca5d41482c80206c84;p=rust-lightning diff --git a/src/chain/chaininterface.rs b/src/chain/chaininterface.rs index f456afda..f99f581f 100644 --- a/src/chain/chaininterface.rs +++ b/src/chain/chaininterface.rs @@ -16,7 +16,7 @@ pub trait ChainWatchInterface: Sync + Send { /// Provides an outpoint which must be watched for, providing any transactions which spend the /// given outpoint. - fn install_watch_outpoint(&self, outpoint: (Sha256dHash, u32)); + fn install_watch_outpoint(&self, outpoint: (Sha256dHash, u32), out_script: &Script); /// Indicates that a listener needs to see all transactions. fn watch_all_txn(&self); @@ -25,11 +25,9 @@ pub trait ChainWatchInterface: Sync + Send { //TODO: unregister } -/// An interface to send a transaction to connected Bitcoin peers. -/// This is for final settlement. An error might indicate that no peers can be reached or -/// that peers rejected the transaction. +/// An interface to send a transaction to the Bitcoin network. pub trait BroadcasterInterface: Sync + Send { - /// Sends a transaction out to (hopefully) be mined + /// Sends a transaction out to (hopefully) be mined. fn broadcast_transaction(&self, tx: &Transaction); } @@ -78,7 +76,7 @@ impl ChainWatchInterface for ChainWatchInterfaceUtil { self.reentered.fetch_add(1, Ordering::Relaxed); } - fn install_watch_outpoint(&self, outpoint: (Sha256dHash, u32)) { + fn install_watch_outpoint(&self, outpoint: (Sha256dHash, u32), _out_script: &Script) { let mut watched = self.watched.lock().unwrap(); watched.1.push(outpoint); self.reentered.fetch_add(1, Ordering::Relaxed); @@ -105,8 +103,9 @@ impl ChainWatchInterfaceUtil { } } - /// notify listener that a block was connected - /// notification will repeat if notified listener register new listeners + /// Notify listeners that a block was connected. + /// Handles re-scanning the block and calling block_connected again if listeners register new + /// watch data during the callbacks for you (see ChainListener::block_connected for more info). pub fn block_connected_with_filtering(&self, block: &Block, height: u32) { let mut reentered = true; while reentered { @@ -125,7 +124,7 @@ impl ChainWatchInterfaceUtil { } } - /// notify listener that a block was disconnected + /// Notify listeners that a block was disconnected. pub fn block_disconnected(&self, header: &BlockHeader) { let listeners = self.listeners.lock().unwrap().clone(); for listener in listeners.iter() { @@ -136,8 +135,10 @@ impl ChainWatchInterfaceUtil { } } - /// call listeners for connected blocks if they are still around. - /// returns true if notified listeners registered additional listener + /// Notify listeners that a block was connected. + /// Returns true if notified listeners registered additional watch data (implying that the + /// block must be re-scanned and this function called again prior to further block_connected + /// calls, see ChainListener::block_connected for more info). pub fn block_connected_checked(&self, header: &BlockHeader, height: u32, txn_matched: &[&Transaction], indexes_of_txn_matched: &[u32]) -> bool { let last_seen = self.reentered.load(Ordering::Relaxed); @@ -151,13 +152,13 @@ impl ChainWatchInterfaceUtil { return last_seen != self.reentered.load(Ordering::Relaxed); } - /// Checks if a given transaction matches the current filter + /// Checks if a given transaction matches the current filter. pub fn does_match_tx(&self, tx: &Transaction) -> bool { let watched = self.watched.lock().unwrap(); self.does_match_tx_unguarded (tx, &watched) } - fn does_match_tx_unguarded (&self, tx: &Transaction, watched: &MutexGuard<(Vec