use core::ops::Deref;
use bitcoin::hashes::hex::ToHex;
-use io::{self};
-use routing::scoring::WriteableScore;
+use crate::io::{self};
+use crate::routing::scoring::WriteableScore;
use crate::{chain::{keysinterface::{Sign, KeysInterface}, self, transaction::{OutPoint}, chaininterface::{BroadcasterInterface, FeeEstimator}, chainmonitor::{Persist, MonitorUpdateId}, channelmonitor::{ChannelMonitor, ChannelMonitorUpdate}}, ln::channelmanager::ChannelManager, routing::gossip::NetworkGraph};
use super::{logger::Logger, ser::Writeable};
/// Implementing `KVStorePersister` provides auto-implementations for [`Persister`]
/// and [`Persist`] traits. It uses "manager", "network_graph",
/// and "monitors/{funding_txo_id}_{funding_txo_index}" for keys.
+/// (C-not exported)
pub trait KVStorePersister {
/// Persist the given writeable using the provided key
fn persist<W: Writeable>(&self, key: &str, object: &W) -> io::Result<()>;
impl<ChannelSigner: Sign, K: KVStorePersister> Persist<ChannelSigner> for K {
// TODO: We really need a way for the persister to inform the user that its time to crash/shut
// down once these start returning failure.
- // A PermanentFailure implies we need to shut down since we're force-closing channels without
- // even broadcasting!
+ // A PermanentFailure implies we should probably just shut down the node since we're
+ // force-closing channels without even broadcasting!
- fn persist_new_channel(&self, funding_txo: OutPoint, monitor: &ChannelMonitor<ChannelSigner>, _update_id: MonitorUpdateId) -> Result<(), chain::ChannelMonitorUpdateErr> {
+ fn persist_new_channel(&self, funding_txo: OutPoint, monitor: &ChannelMonitor<ChannelSigner>, _update_id: MonitorUpdateId) -> chain::ChannelMonitorUpdateStatus {
let key = format!("monitors/{}_{}", funding_txo.txid.to_hex(), funding_txo.index);
- self.persist(&key, monitor)
- .map_err(|_| chain::ChannelMonitorUpdateErr::PermanentFailure)
+ match self.persist(&key, monitor) {
+ Ok(()) => chain::ChannelMonitorUpdateStatus::Completed,
+ Err(_) => chain::ChannelMonitorUpdateStatus::PermanentFailure,
+ }
}
- fn update_persisted_channel(&self, funding_txo: OutPoint, _update: &Option<ChannelMonitorUpdate>, monitor: &ChannelMonitor<ChannelSigner>, _update_id: MonitorUpdateId) -> Result<(), chain::ChannelMonitorUpdateErr> {
+ fn update_persisted_channel(&self, funding_txo: OutPoint, _update: &Option<ChannelMonitorUpdate>, monitor: &ChannelMonitor<ChannelSigner>, _update_id: MonitorUpdateId) -> chain::ChannelMonitorUpdateStatus {
let key = format!("monitors/{}_{}", funding_txo.txid.to_hex(), funding_txo.index);
- self.persist(&key, monitor)
- .map_err(|_| chain::ChannelMonitorUpdateErr::PermanentFailure)
+ match self.persist(&key, monitor) {
+ Ok(()) => chain::ChannelMonitorUpdateStatus::Completed,
+ Err(_) => chain::ChannelMonitorUpdateStatus::PermanentFailure,
+ }
}
}