-use crate::cli;
-use bitcoin::secp256k1::key::PublicKey;
+use crate::{cli, InboundPaymentInfoStorage, NetworkGraph, OutboundPaymentInfoStorage};
+use bitcoin::secp256k1::PublicKey;
+use bitcoin::Network;
+use chrono::Utc;
+use lightning::routing::scoring::{ProbabilisticScorer, ProbabilisticScoringDecayParameters};
use lightning::util::logger::{Logger, Record};
-use lightning::util::ser::Writer;
+use lightning::util::ser::{Readable, ReadableArgs, Writer};
use std::collections::HashMap;
use std::fs;
use std::fs::File;
use std::io::{BufRead, BufReader};
use std::net::SocketAddr;
use std::path::Path;
-use time::OffsetDateTime;
+use std::sync::Arc;
+
+pub(crate) const INBOUND_PAYMENTS_FNAME: &str = "inbound_payments";
+pub(crate) const OUTBOUND_PAYMENTS_FNAME: &str = "outbound_payments";
pub(crate) struct FilesystemLogger {
data_dir: String,
}
}
impl Logger for FilesystemLogger {
- fn log(&self, record: &Record) {
+ fn log(&self, record: Record) {
let raw_log = record.args.to_string();
let log = format!(
"{} {:<5} [{}:{}] {}\n",
- OffsetDateTime::now_utc().format("%F %T"),
+ // Note that a "real" lightning node almost certainly does *not* want subsecond
+ // precision for message-receipt information as it makes log entries a target for
+ // deanonymization attacks. For testing, however, its quite useful.
+ Utc::now().format("%Y-%m-%d %H:%M:%S%.3f"),
record.level.to_string(),
record.module_path,
record.line,
}
Ok(peer_data)
}
+
+pub(crate) fn read_network(
+ path: &Path, network: Network, logger: Arc<FilesystemLogger>,
+) -> NetworkGraph {
+ if let Ok(file) = File::open(path) {
+ if let Ok(graph) = NetworkGraph::read(&mut BufReader::new(file), logger.clone()) {
+ return graph;
+ }
+ }
+ NetworkGraph::new(network, logger)
+}
+
+pub(crate) fn read_inbound_payment_info(path: &Path) -> InboundPaymentInfoStorage {
+ if let Ok(file) = File::open(path) {
+ if let Ok(info) = InboundPaymentInfoStorage::read(&mut BufReader::new(file)) {
+ return info;
+ }
+ }
+ InboundPaymentInfoStorage { payments: HashMap::new() }
+}
+
+pub(crate) fn read_outbound_payment_info(path: &Path) -> OutboundPaymentInfoStorage {
+ if let Ok(file) = File::open(path) {
+ if let Ok(info) = OutboundPaymentInfoStorage::read(&mut BufReader::new(file)) {
+ return info;
+ }
+ }
+ OutboundPaymentInfoStorage { payments: HashMap::new() }
+}
+
+pub(crate) fn read_scorer(
+ path: &Path, graph: Arc<NetworkGraph>, logger: Arc<FilesystemLogger>,
+) -> ProbabilisticScorer<Arc<NetworkGraph>, Arc<FilesystemLogger>> {
+ let params = ProbabilisticScoringDecayParameters::default();
+ if let Ok(file) = File::open(path) {
+ let args = (params.clone(), Arc::clone(&graph), Arc::clone(&logger));
+ if let Ok(scorer) = ProbabilisticScorer::read(&mut BufReader::new(file), args) {
+ return scorer;
+ }
+ }
+ ProbabilisticScorer::new(params, graph, logger)
+}