use bitcoin::hash_types::{BlockHash, Txid};
use bitcoin::hashes::hex::FromHex;
use lightning::chain::channelmonitor::ChannelMonitor;
-use lightning::chain::keysinterface::KeysInterface;
+use lightning::chain::keysinterface::{KeysInterface, SignerProvider};
use lightning::util::ser::{ReadableArgs, Writeable};
use lightning::util::persist::KVStorePersister;
use std::fs;
/// Initialize a new FilesystemPersister and set the path to the individual channels'
/// files.
pub fn new(path_to_channel_data: String) -> Self {
- return Self {
+ Self {
path_to_channel_data,
}
}
/// Read `ChannelMonitor`s from disk.
pub fn read_channelmonitors<K: Deref> (
&self, keys_manager: K
- ) -> Result<Vec<(BlockHash, ChannelMonitor<<K::Target as KeysInterface>::Signer>)>, std::io::Error>
+ ) -> std::io::Result<Vec<(BlockHash, ChannelMonitor<<K::Target as SignerProvider>::Signer>)>>
where K::Target: KeysInterface + Sized,
{
let mut path = PathBuf::from(&self.path_to_channel_data);
return Ok(Vec::new());
}
let mut res = Vec::new();
- for file_option in fs::read_dir(path).unwrap() {
+ for file_option in fs::read_dir(path)? {
let file = file_option.unwrap();
let owned_file_name = file.file_name();
- let filename = owned_file_name.to_str();
- if !filename.is_some() || !filename.unwrap().is_ascii() || filename.unwrap().len() < 65 {
+ let filename = owned_file_name.to_str()
+ .ok_or_else(|| std::io::Error::new(std::io::ErrorKind::InvalidData,
+ "File name is not a valid utf8 string"))?;
+ if !filename.is_ascii() || filename.len() < 65 {
return Err(std::io::Error::new(
std::io::ErrorKind::InvalidData,
"Invalid ChannelMonitor file name",
));
}
- if filename.unwrap().ends_with(".tmp") {
+ if filename.ends_with(".tmp") {
// If we were in the middle of committing an new update and crashed, it should be
// safe to ignore the update - we should never have returned to the caller and
// irrevocably committed to the new state in any way.
continue;
}
- let txid = Txid::from_hex(filename.unwrap().split_at(64).0);
- if txid.is_err() {
- return Err(std::io::Error::new(
+ let txid = Txid::from_hex(filename.split_at(64).0)
+ .map_err(|_| std::io::Error::new(
std::io::ErrorKind::InvalidData,
"Invalid tx ID in filename",
- ));
- }
+ ))?;
- let index = filename.unwrap().split_at(65).1.parse();
- if index.is_err() {
- return Err(std::io::Error::new(
+ let index = filename.split_at(65).1.parse()
+ .map_err(|_| std::io::Error::new(
std::io::ErrorKind::InvalidData,
"Invalid tx index in filename",
- ));
- }
+ ))?;
let contents = fs::read(&file.path())?;
let mut buffer = Cursor::new(&contents);
- match <(BlockHash, ChannelMonitor<<K::Target as KeysInterface>::Signer>)>::read(&mut buffer, &*keys_manager) {
+ match <(BlockHash, ChannelMonitor<<K::Target as SignerProvider>::Signer>)>::read(&mut buffer, &*keys_manager) {
Ok((blockhash, channel_monitor)) => {
- if channel_monitor.get_funding_txo().0.txid != txid.unwrap() || channel_monitor.get_funding_txo().0.index != index.unwrap() {
- return Err(std::io::Error::new(std::io::ErrorKind::InvalidData, "ChannelMonitor was stored in the wrong file"));
+ if channel_monitor.get_funding_txo().0.txid != txid || channel_monitor.get_funding_txo().0.index != index {
+ return Err(std::io::Error::new(std::io::ErrorKind::InvalidData,
+ "ChannelMonitor was stored in the wrong file"));
}
res.push((blockhash, channel_monitor));
}
}
}
+ #[test]
+ fn test_if_monitors_is_not_dir() {
+ let persister = FilesystemPersister::new("test_monitors_is_not_dir".to_string());
+
+ fs::create_dir_all(&persister.path_to_channel_data).unwrap();
+ let mut path = std::path::PathBuf::from(&persister.path_to_channel_data);
+ path.push("monitors");
+ fs::File::create(path).unwrap();
+
+ let chanmon_cfgs = create_chanmon_cfgs(1);
+ let mut node_cfgs = create_node_cfgs(1, &chanmon_cfgs);
+ let chain_mon_0 = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[0].chain_source), &chanmon_cfgs[0].tx_broadcaster, &chanmon_cfgs[0].logger, &chanmon_cfgs[0].fee_estimator, &persister, &node_cfgs[0].keys_manager);
+ node_cfgs[0].chain_monitor = chain_mon_0;
+ let node_chanmgrs = create_node_chanmgrs(1, &node_cfgs, &[None]);
+ let nodes = create_network(1, &node_cfgs, &node_chanmgrs);
+
+ // Check that read_channelmonitors() returns error if monitors/ is not a
+ // directory.
+ assert!(persister.read_channelmonitors(nodes[0].keys_manager).is_err());
+ }
+
// Integration-test the FilesystemPersister. Test relaying a few payments
// and check that the persisted data is updated the appropriate number of
// times.