use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentSendFailure, BREAKDOWN_TIMEOUT, MIN_CLTV_EXPIRY_DELTA};
use ln::channel::{Channel, ChannelError};
use ln::{chan_utils, onion_utils};
+use ln::chan_utils::HTLC_SUCCESS_TX_WEIGHT;
use routing::router::{Route, RouteHop, RouteHint, RouteHintHop, get_route};
use routing::network_graph::RoutingFees;
use ln::features::{ChannelFeatures, InitFeatures, InvoiceFeatures, NodeFeatures};
use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler,HTLCFailChannelUpdate, ErrorAction};
use util::enforcing_trait_impls::EnforcingSigner;
use util::{byte_utils, test_utils};
-use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
+use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, PaymentPurpose};
use util::errors::APIError;
use util::ser::{Writeable, ReadableArgs};
use util::config::UserConfig;
// sending any above-dust amount would result in a channel reserve violation.
// In this test we check that we would be prevented from sending an HTLC in
// this situation.
- chanmon_cfgs[0].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(6000) };
- chanmon_cfgs[1].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(6000) };
+ let feerate_per_kw = 253;
+ chanmon_cfgs[0].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(feerate_per_kw) };
+ chanmon_cfgs[1].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(feerate_per_kw) };
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
- let _ = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::known(), InitFeatures::known());
- let (route, our_payment_hash, _, our_payment_secret) = get_route_and_payment_hash!(nodes[1], nodes[0], 4843000);
+ let mut push_amt = 100_000_000;
+ push_amt -= feerate_per_kw as u64 * (COMMITMENT_TX_BASE_WEIGHT + COMMITMENT_TX_WEIGHT_PER_HTLC) / 1000 * 1000;
+ push_amt -= Channel::<EnforcingSigner>::get_holder_selected_channel_reserve_satoshis(100_000) * 1000;
+
+ let _ = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100_000, push_amt, InitFeatures::known(), InitFeatures::known());
+
+ // Sending exactly enough to hit the reserve amount should be accepted
+ let (_, _, _) = route_payment(&nodes[1], &[&nodes[0]], 1_000_000);
+
+ // However one more HTLC should be significantly over the reserve amount and fail.
+ let (route, our_payment_hash, _, our_payment_secret) = get_route_and_payment_hash!(nodes[1], nodes[0], 1_000_000);
unwrap_send_err!(nodes[1].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)), true, APIError::ChannelUnavailable { ref err },
assert_eq!(err, "Cannot send value that would put counterparty balance under holder-announced channel reserve value"));
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
fn test_chan_reserve_dust_inbound_htlcs_outbound_chan() {
// Test that if we receive many dust HTLCs over an outbound channel, they don't count when
// calculating our commitment transaction fee (this was previously broken).
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ let feerate_per_kw = 253;
+ chanmon_cfgs[0].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(feerate_per_kw) };
+ chanmon_cfgs[1].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(feerate_per_kw) };
+
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None, None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
// Set nodes[0]'s balance such that they will consider any above-dust received HTLC to be a
// channel reserve violation (so their balance is channel reserve (1000 sats) + commitment
// transaction fee with 0 HTLCs (183 sats)).
- create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 98817000, InitFeatures::known(), InitFeatures::known());
+ let mut push_amt = 100_000_000;
+ push_amt -= feerate_per_kw as u64 * (COMMITMENT_TX_BASE_WEIGHT) / 1000 * 1000;
+ push_amt -= Channel::<EnforcingSigner>::get_holder_selected_channel_reserve_satoshis(100_000) * 1000;
+ create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, push_amt, InitFeatures::known(), InitFeatures::known());
- let dust_amt = 329000; // Dust amount
+ let dust_amt = crate::ln::channel::MIN_DUST_LIMIT_SATOSHIS * 1000
+ + feerate_per_kw as u64 * HTLC_SUCCESS_TX_WEIGHT / 1000 * 1000 - 1;
// In the previous code, routing this dust payment would cause nodes[0] to perceive a channel
// reserve violation even though it's a dust HTLC and therefore shouldn't count towards the
// commitment transaction fee.
let (_, _, _) = route_payment(&nodes[1], &[&nodes[0]], dust_amt);
+
+ // One more than the dust amt should fail, however.
+ let (route, our_payment_hash, _, our_payment_secret) = get_route_and_payment_hash!(nodes[1], nodes[0], dust_amt + 1);
+ unwrap_send_err!(nodes[1].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)), true, APIError::ChannelUnavailable { ref err },
+ assert_eq!(err, "Cannot send value that would put counterparty balance under holder-announced channel reserve value"));
}
#[test]
let events = nodes[2].node.get_and_clear_pending_events();
assert_eq!(events.len(), 2);
match events[0] {
- Event::PaymentReceived { ref payment_hash, ref payment_preimage, ref payment_secret, amt, user_payment_id: _ } => {
+ Event::PaymentReceived { ref payment_hash, ref purpose, amt } => {
assert_eq!(our_payment_hash_21, *payment_hash);
- assert!(payment_preimage.is_none());
- assert_eq!(our_payment_secret_21, *payment_secret);
assert_eq!(recv_value_21, amt);
+ match &purpose {
+ PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
+ assert!(payment_preimage.is_none());
+ assert_eq!(our_payment_secret_21, *payment_secret);
+ },
+ _ => panic!("expected PaymentPurpose::InvoicePayment")
+ }
},
_ => panic!("Unexpected event"),
}
match events[1] {
- Event::PaymentReceived { ref payment_hash, ref payment_preimage, ref payment_secret, amt, user_payment_id: _ } => {
+ Event::PaymentReceived { ref payment_hash, ref purpose, amt } => {
assert_eq!(our_payment_hash_22, *payment_hash);
- assert!(payment_preimage.is_none());
- assert_eq!(our_payment_secret_22, *payment_secret);
assert_eq!(recv_value_22, amt);
+ match &purpose {
+ PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
+ assert!(payment_preimage.is_none());
+ assert_eq!(our_payment_secret_22, *payment_secret);
+ },
+ _ => panic!("expected PaymentPurpose::InvoicePayment")
+ }
},
_ => panic!("Unexpected event"),
}
let events_2 = nodes[1].node.get_and_clear_pending_events();
assert_eq!(events_2.len(), 1);
match events_2[0] {
- Event::PaymentReceived { ref payment_hash, ref payment_preimage, ref payment_secret, amt, user_payment_id: _ } => {
+ Event::PaymentReceived { ref payment_hash, ref purpose, amt } => {
assert_eq!(payment_hash_1, *payment_hash);
- assert!(payment_preimage.is_none());
- assert_eq!(payment_secret_1, *payment_secret);
assert_eq!(amt, 1000000);
+ match &purpose {
+ PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
+ assert!(payment_preimage.is_none());
+ assert_eq!(payment_secret_1, *payment_secret);
+ },
+ _ => panic!("expected PaymentPurpose::InvoicePayment")
+ }
},
_ => panic!("Unexpected event"),
}
let events_5 = nodes[1].node.get_and_clear_pending_events();
assert_eq!(events_5.len(), 1);
match events_5[0] {
- Event::PaymentReceived { ref payment_hash, ref payment_preimage, ref payment_secret, amt: _, user_payment_id: _ } => {
+ Event::PaymentReceived { ref payment_hash, ref purpose, .. } => {
assert_eq!(payment_hash_2, *payment_hash);
- assert!(payment_preimage.is_none());
- assert_eq!(payment_secret_2, *payment_secret);
+ match &purpose {
+ PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
+ assert!(payment_preimage.is_none());
+ assert_eq!(payment_secret_2, *payment_secret);
+ },
+ _ => panic!("expected PaymentPurpose::InvoicePayment")
+ }
},
_ => panic!("Unexpected event"),
}
let events = nodes[1].node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match events[0] {
- Event::PaymentReceived { payment_preimage, user_payment_id, .. } => {
- assert_eq!(user_payment_id, 42);
- claim_payment(&nodes[0], &[&nodes[1]], payment_preimage.unwrap());
+ Event::PaymentReceived { ref purpose, .. } => {
+ match &purpose {
+ PaymentPurpose::InvoicePayment { payment_preimage, user_payment_id, .. } => {
+ assert_eq!(*user_payment_id, 42);
+ claim_payment(&nodes[0], &[&nodes[1]], payment_preimage.unwrap());
+ },
+ _ => panic!("expected PaymentPurpose::InvoicePayment")
+ }
},
_ => panic!("Unexpected event"),
}
let events = nodes[1].node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match events[0] {
- Event::PaymentReceived { payment_preimage, payment_secret, user_payment_id, .. } => {
+ Event::PaymentReceived { purpose: PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, user_payment_id }, .. } => {
assert!(payment_preimage.is_none());
assert_eq!(user_payment_id, 42);
assert_eq!(payment_secret, our_payment_secret);