/// issues such as overly long function definitions. Note that the ChannelManager can take any
/// type that implements KeysInterface for its keys manager, but this type alias chooses the
/// concrete type of the KeysManager.
-pub type SimpleArcChannelManager<M, T, F, L> = Arc<ChannelManager<InMemorySigner, Arc<M>, Arc<T>, Arc<KeysManager>, Arc<F>, Arc<L>>>;
+pub type SimpleArcChannelManager<M, T, F, L> = ChannelManager<InMemorySigner, Arc<M>, Arc<T>, Arc<KeysManager>, Arc<F>, Arc<L>>;
/// SimpleRefChannelManager is a type alias for a ChannelManager reference, and is the reference
/// counterpart to the SimpleArcChannelManager type alias. Use this type by default when you don't
/// ChannelMonitors passed by reference to read(), those channels will be force-closed based on the
/// ChannelMonitor state and no funds will be lost (mod on-chain transaction fees).
///
-/// Note that the deserializer is only implemented for (Sha256dHash, ChannelManager), which
+/// Note that the deserializer is only implemented for (Option<BlockHash>, ChannelManager), which
/// tells you the last block hash which was block_connect()ed. You MUST rescan any blocks along
/// the "reorg path" (ie call block_disconnected() until you get to a common block and then call
/// block_connected() to step towards your best block) upon deserialization before using the
/// Users need to notify the new ChannelManager when a new block is connected or
/// disconnected using its `block_connected` and `block_disconnected` methods.
pub fn new(network: Network, fee_est: F, chain_monitor: M, tx_broadcaster: T, logger: L, keys_manager: K, config: UserConfig, current_blockchain_height: usize) -> Self {
- let secp_ctx = Secp256k1::new();
+ let mut secp_ctx = Secp256k1::new();
+ secp_ctx.seeded_randomize(&keys_manager.get_secure_random_bytes());
ChannelManager {
default_configuration: config.clone(),
/// At a high-level, the process for deserializing a ChannelManager and resuming normal operation
/// is:
/// 1) Deserialize all stored ChannelMonitors.
-/// 2) Deserialize the ChannelManager by filling in this struct and calling <(Sha256dHash,
+/// 2) Deserialize the ChannelManager by filling in this struct and calling <(Option<BlockHash>,
/// ChannelManager)>::read(reader, args).
/// This may result in closing some Channels if the ChannelMonitor is newer than the stored
/// ChannelManager state to ensure no loss of funds. Thus, transactions may be broadcasted.
// Implement ReadableArgs for an Arc'd ChannelManager to make it a bit easier to work with the
// SipmleArcChannelManager type:
impl<'a, Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref>
- ReadableArgs<ChannelManagerReadArgs<'a, Signer, M, T, K, F, L>> for (BlockHash, Arc<ChannelManager<Signer, M, T, K, F, L>>)
+ ReadableArgs<ChannelManagerReadArgs<'a, Signer, M, T, K, F, L>> for (Option<BlockHash>, Arc<ChannelManager<Signer, M, T, K, F, L>>)
where M::Target: chain::Watch<Signer>,
T::Target: BroadcasterInterface,
K::Target: KeysInterface<Signer = Signer>,
L::Target: Logger,
{
fn read<R: ::std::io::Read>(reader: &mut R, args: ChannelManagerReadArgs<'a, Signer, M, T, K, F, L>) -> Result<Self, DecodeError> {
- let (blockhash, chan_manager) = <(BlockHash, ChannelManager<Signer, M, T, K, F, L>)>::read(reader, args)?;
+ let (blockhash, chan_manager) = <(Option<BlockHash>, ChannelManager<Signer, M, T, K, F, L>)>::read(reader, args)?;
Ok((blockhash, Arc::new(chan_manager)))
}
}
impl<'a, Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref>
- ReadableArgs<ChannelManagerReadArgs<'a, Signer, M, T, K, F, L>> for (BlockHash, ChannelManager<Signer, M, T, K, F, L>)
+ ReadableArgs<ChannelManagerReadArgs<'a, Signer, M, T, K, F, L>> for (Option<BlockHash>, ChannelManager<Signer, M, T, K, F, L>)
where M::Target: chain::Watch<Signer>,
T::Target: BroadcasterInterface,
K::Target: KeysInterface<Signer = Signer>,
let last_node_announcement_serial: u32 = Readable::read(reader)?;
+ let mut secp_ctx = Secp256k1::new();
+ secp_ctx.seeded_randomize(&args.keys_manager.get_secure_random_bytes());
+
let channel_manager = ChannelManager {
genesis_hash,
fee_estimator: args.fee_estimator,
latest_block_height: AtomicUsize::new(latest_block_height as usize),
last_block_hash: Mutex::new(last_block_hash),
- secp_ctx: Secp256k1::new(),
+ secp_ctx,
channel_state: Mutex::new(ChannelHolder {
by_id,
//TODO: Broadcast channel update for closed channels, but only after we've made a
//connection or two.
- Ok((last_block_hash.clone(), channel_manager))
+ let last_seen_block_hash = if last_block_hash == Default::default() {
+ None
+ } else {
+ Some(last_block_hash)
+ };
+ Ok((last_seen_block_hash, channel_manager))
}
}
projects / rust-lightning / blobdiff