use chain::chaininterface::{BroadcasterInterface,ChainListener,ChainWatchInterface,FeeEstimator};
use chain::transaction::OutPoint;
use ln::channel::{Channel, ChannelError};
-use ln::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr, ManyChannelMonitor, CLTV_CLAIM_BUFFER, HTLC_FAIL_TIMEOUT_BLOCKS};
+use ln::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr, ManyChannelMonitor, CLTV_CLAIM_BUFFER, HTLC_FAIL_TIMEOUT_BLOCKS, HTLC_FAIL_ANTI_REORG_DELAY};
use ln::router::{Route,RouteHop};
use ln::msgs;
use ln::msgs::{ChannelMessageHandler, DecodeError, HandleError};
/// ie the node we forwarded the payment on to should always have enough room to reliably time out
/// the HTLC via a full update_fail_htlc/commitment_signed dance before we hit the
/// CLTV_CLAIM_BUFFER point (we static assert that its at least 3 blocks more).
-const CLTV_EXPIRY_DELTA: u16 = 6 * 24 * 2; //TODO?
+const CLTV_EXPIRY_DELTA: u16 = 6 * 12; //TODO?
const CLTV_FAR_FAR_AWAY: u32 = 6 * 24 * 7; //TODO?
-// Check that our CLTV_EXPIRY is at least CLTV_CLAIM_BUFFER + 2*HTLC_FAIL_TIMEOUT_BLOCKS, ie that
-// if the next-hop peer fails the HTLC within HTLC_FAIL_TIMEOUT_BLOCKS then we'll still have
-// HTLC_FAIL_TIMEOUT_BLOCKS left to fail it backwards ourselves before hitting the
-// CLTV_CLAIM_BUFFER point and failing the channel on-chain to time out the HTLC.
+// Check that our CLTV_EXPIRY is at least CLTV_CLAIM_BUFFER + 2*HTLC_FAIL_TIMEOUT_BLOCKS +
+// HTLC_FAIL_ANTI_REORG_DELAY, ie that if the next-hop peer fails the HTLC within
+// HTLC_FAIL_TIMEOUT_BLOCKS then we'll still have HTLC_FAIL_TIMEOUT_BLOCKS left to fail it
+// backwards ourselves before hitting the CLTV_CLAIM_BUFFER point and failing the channel
+// on-chain to time out the HTLC.
#[deny(const_err)]
#[allow(dead_code)]
-const CHECK_CLTV_EXPIRY_SANITY: u32 = CLTV_EXPIRY_DELTA as u32 - 2*HTLC_FAIL_TIMEOUT_BLOCKS - CLTV_CLAIM_BUFFER;
+const CHECK_CLTV_EXPIRY_SANITY: u32 = CLTV_EXPIRY_DELTA as u32 - 2*HTLC_FAIL_TIMEOUT_BLOCKS - CLTV_CLAIM_BUFFER - HTLC_FAIL_ANTI_REORG_DELAY;
// Check for ability of an attacker to make us fail on-chain by delaying inbound claim. See
// ChannelMontior::would_broadcast_at_height for a description of why this is needed.
}
};
for htlc_source in failed_htlcs.drain(..) {
- // unknown_next_peer...I dunno who that is anymore....
- self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), htlc_source.0, &htlc_source.1, HTLCFailReason::Reason { failure_code: 0x4000 | 10, data: Vec::new() });
+ self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), htlc_source.0, &htlc_source.1, HTLCFailReason::Reason { failure_code: 0x4000 | 8, data: Vec::new() });
}
let chan_update = if let Some(chan) = chan_option {
if let Ok(update) = self.get_channel_update(&chan) {
let (local_txn, mut failed_htlcs) = shutdown_res;
log_trace!(self, "Finishing force-closure of channel with {} transactions to broadcast and {} HTLCs to fail", local_txn.len(), failed_htlcs.len());
for htlc_source in failed_htlcs.drain(..) {
- // unknown_next_peer...I dunno who that is anymore....
- self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), htlc_source.0, &htlc_source.1, HTLCFailReason::Reason { failure_code: 0x4000 | 10, data: Vec::new() });
+ self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), htlc_source.0, &htlc_source.1, HTLCFailReason::Reason { failure_code: 0x4000 | 8, data: Vec::new() });
}
for tx in local_txn {
self.tx_broadcaster.broadcast_transaction(&tx);
}
};
for htlc_source in dropped_htlcs.drain(..) {
- // unknown_next_peer...I dunno who that is anymore....
- self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), htlc_source.0, &htlc_source.1, HTLCFailReason::Reason { failure_code: 0x4000 | 10, data: Vec::new() });
+ self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), htlc_source.0, &htlc_source.1, HTLCFailReason::Reason { failure_code: 0x4000 | 8, data: Vec::new() });
}
if let Some(chan) = chan_option {
if let Ok(update) = self.get_channel_update(&chan) {
self.claim_funds_internal(self.channel_state.lock().unwrap(), htlc_update.source, preimage);
} else {
log_trace!(self, "Failing HTLC with hash {} from our monitor", log_bytes!(htlc_update.payment_hash.0));
- self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), htlc_update.source, &htlc_update.payment_hash, HTLCFailReason::Reason { failure_code: 0x4000 | 10, data: Vec::new() });
+ self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), htlc_update.source, &htlc_update.payment_hash, HTLCFailReason::Reason { failure_code: 0x4000 | 8, data: Vec::new() });
}
}
}
self.claim_funds_internal(self.channel_state.lock().unwrap(), htlc_update.source, preimage);
} else {
log_trace!(self, "Failing HTLC with hash {} from our monitor", log_bytes!(htlc_update.payment_hash.0));
- self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), htlc_update.source, &htlc_update.payment_hash, HTLCFailReason::Reason { failure_code: 0x4000 | 10, data: Vec::new() });
+ self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), htlc_update.source, &htlc_update.payment_hash, HTLCFailReason::Reason { failure_code: 0x4000 | 8, data: Vec::new() });
}
}
}
let mut nodes = Vec::new();
let mut rng = thread_rng();
let secp_ctx = Secp256k1::new();
- let logger: Arc<Logger> = Arc::new(test_utils::TestLogger::new());
let chan_count = Rc::new(RefCell::new(0));
let payment_count = Rc::new(RefCell::new(0));
- for _ in 0..node_count {
+ for i in 0..node_count {
+ let logger: Arc<Logger> = Arc::new(test_utils::TestLogger::with_id(format!("node {}", i)));
let feeest = Arc::new(test_utils::TestFeeEstimator { sat_per_kw: 253 });
let chain_monitor = Arc::new(chaininterface::ChainWatchInterfaceUtil::new(Network::Testnet, Arc::clone(&logger)));
let tx_broadcaster = Arc::new(test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new())});
projects / rust-lightning / blobdiff