diff --git a/lightning/src/chain/chaininterface.rs b/lightning/src/chain/chaininterface.rs index 84281df1d7b..b9c7e88420d 100644 --- a/lightning/src/chain/chaininterface.rs +++ b/lightning/src/chain/chaininterface.rs @@ -176,7 +176,7 @@ pub trait FeeEstimator { } /// Minimum relay fee as required by bitcoin network mempool policy. -pub const MIN_RELAY_FEE_SAT_PER_1000_WEIGHT: u64 = 4000; +pub const MIN_RELAY_FEE_SAT_PER_1000_WEIGHT: u64 = 253; /// Minimum feerate that takes a sane approach to bitcoind weight-to-vbytes rounding. /// See the following Core Lightning commit for an explanation: /// diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs index ac43efe4499..51eb0226273 100644 --- a/lightning/src/ln/functional_tests.rs +++ b/lightning/src/ln/functional_tests.rs @@ -1312,18 +1312,21 @@ fn test_duplicate_htlc_different_direction_onchain() { let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1); + let payment_value_sats = 546; + let payment_value_msats = payment_value_sats * 1000; + // balancing send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000); let (payment_preimage, payment_hash, ..) = route_payment(&nodes[0], &vec!(&nodes[1])[..], 900_000); - let (route, _, _, _) = get_route_and_payment_hash!(nodes[1], nodes[0], 800_000); + let (route, _, _, _) = get_route_and_payment_hash!(nodes[1], nodes[0], payment_value_msats); let node_a_payment_secret = nodes[0].node.create_inbound_payment_for_hash(payment_hash, None, 7200, None).unwrap(); - send_along_route_with_secret(&nodes[1], route, &[&[&nodes[0]]], 800_000, payment_hash, node_a_payment_secret); + send_along_route_with_secret(&nodes[1], route, &[&[&nodes[0]]], payment_value_msats, payment_hash, node_a_payment_secret); // Provide preimage to node 0 by claiming payment nodes[0].node.claim_funds(payment_preimage); - expect_payment_claimed!(nodes[0], payment_hash, 800_000); + expect_payment_claimed!(nodes[0], payment_hash, payment_value_msats); check_added_monitors!(nodes[0], 1); // Broadcast node 1 commitment txn @@ -1332,7 +1335,7 @@ fn test_duplicate_htlc_different_direction_onchain() { assert_eq!(remote_txn[0].output.len(), 4); // 1 local, 1 remote, 1 htlc inbound, 1 htlc outbound let mut has_both_htlcs = 0; // check htlcs match ones committed for outp in remote_txn[0].output.iter() { - if outp.value.to_sat() == 800_000 / 1000 { + if outp.value.to_sat() == payment_value_sats { has_both_htlcs += 1; } else if outp.value.to_sat() == 900_000 / 1000 { has_both_htlcs += 1; @@ -1346,24 +1349,22 @@ fn test_duplicate_htlc_different_direction_onchain() { connect_blocks(&nodes[0], TEST_FINAL_CLTV); // Confirm blocks until the HTLC expires let claim_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clone(); - assert_eq!(claim_txn.len(), 3); + assert!(claim_txn.len() >= 3); + assert!(claim_txn.len() <= 5); check_spends!(claim_txn[0], remote_txn[0]); // Immediate HTLC claim with preimage check_spends!(claim_txn[1], remote_txn[0]); check_spends!(claim_txn[2], remote_txn[0]); let preimage_tx = &claim_txn[0]; - let (preimage_bump_tx, timeout_tx) = if claim_txn[1].input[0].previous_output == preimage_tx.input[0].previous_output { - (&claim_txn[1], &claim_txn[2]) - } else { - (&claim_txn[2], &claim_txn[1]) - }; + let timeout_tx = claim_txn.iter().skip(1).find(|t| t.input[0].previous_output != preimage_tx.input[0].previous_output).unwrap(); + let preimage_bump_tx = claim_txn.iter().skip(1).find(|t| t.input[0].previous_output == preimage_tx.input[0].previous_output).unwrap(); assert_eq!(preimage_tx.input.len(), 1); assert_eq!(preimage_bump_tx.input.len(), 1); assert_eq!(preimage_tx.input.len(), 1); assert_eq!(preimage_tx.input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); // HTLC 1 <--> 0, preimage tx - assert_eq!(remote_txn[0].output[preimage_tx.input[0].previous_output.vout as usize].value.to_sat(), 800); + assert_eq!(remote_txn[0].output[preimage_tx.input[0].previous_output.vout as usize].value.to_sat(), payment_value_sats); assert_eq!(timeout_tx.input.len(), 1); assert_eq!(timeout_tx.input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); // HTLC 0 <--> 1, timeout tx @@ -7676,22 +7677,29 @@ fn test_bump_penalty_txn_on_remote_commitment() { let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); let nodes = create_network(2, &node_cfgs, &node_chanmgrs); - let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000); - let (payment_preimage, payment_hash, ..) = route_payment(&nodes[0], &[&nodes[1]], 3_000_000); - route_payment(&nodes[1], &vec!(&nodes[0])[..], 3000000).0; + let remote_txn = { + let htlc_value_a_msats = 847_000; + let htlc_value_b_msats = 546_000; - // Remote commitment txn with 4 outputs : to_local, to_remote, 1 outgoing HTLC, 1 incoming HTLC - let remote_txn = get_local_commitment_txn!(nodes[0], chan.2); - assert_eq!(remote_txn[0].output.len(), 4); - assert_eq!(remote_txn[0].input.len(), 1); - assert_eq!(remote_txn[0].input[0].previous_output.txid, chan.3.compute_txid()); + let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000); + let (payment_preimage, payment_hash, ..) = route_payment(&nodes[0], &[&nodes[1]], htlc_value_a_msats); + route_payment(&nodes[1], &vec!(&nodes[0])[..], htlc_value_b_msats).0; - // Claim a HTLC without revocation (provide B monitor with preimage) - nodes[1].node.claim_funds(payment_preimage); - expect_payment_claimed!(nodes[1], payment_hash, 3_000_000); - mine_transaction(&nodes[1], &remote_txn[0]); - check_added_monitors!(nodes[1], 2); - connect_blocks(&nodes[1], TEST_FINAL_CLTV); // Confirm blocks until the HTLC expires + // Remote commitment txn with 4 outputs : to_local, to_remote, 1 outgoing HTLC, 1 incoming HTLC + let remote_txn = get_local_commitment_txn!(nodes[0], chan.2); + assert_eq!(remote_txn[0].output.len(), 4); + assert_eq!(remote_txn[0].input.len(), 1); + assert_eq!(remote_txn[0].input[0].previous_output.txid, chan.3.compute_txid()); + + // Claim a HTLC without revocation (provide B monitor with preimage) + nodes[1].node.claim_funds(payment_preimage); + expect_payment_claimed!(nodes[1], payment_hash, htlc_value_a_msats); + mine_transaction(&nodes[1], &remote_txn[0]); + check_added_monitors!(nodes[1], 2); + connect_blocks(&nodes[1], TEST_FINAL_CLTV); // Confirm blocks until the HTLC expires + + remote_txn + }; // One or more claim tx should have been broadcast, check it let timeout; @@ -7701,9 +7709,11 @@ fn test_bump_penalty_txn_on_remote_commitment() { let feerate_preimage; { let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); - // 3 transactions including: + // 3-6 transactions including: // preimage and timeout sweeps from remote commitment + preimage sweep bump - assert_eq!(node_txn.len(), 3); + // plus, depending on the block connection style, two further bumps + assert!(node_txn.len() >= 3); + assert!(node_txn.len() <= 6); assert_eq!(node_txn[0].input.len(), 1); assert_eq!(node_txn[1].input.len(), 1); assert_eq!(node_txn[2].input.len(), 1); @@ -7716,11 +7726,9 @@ fn test_bump_penalty_txn_on_remote_commitment() { let fee = remote_txn[0].output[index as usize].value.to_sat() - node_txn[0].output[0].value.to_sat(); feerate_preimage = fee * 1000 / node_txn[0].weight().to_wu(); - let (preimage_bump_tx, timeout_tx) = if node_txn[2].input[0].previous_output == node_txn[0].input[0].previous_output { - (node_txn[2].clone(), node_txn[1].clone()) - } else { - (node_txn[1].clone(), node_txn[2].clone()) - }; + let preimage_tx = &node_txn[0]; + let timeout_tx = node_txn.iter().skip(1).find(|t| t.input[0].previous_output != preimage_tx.input[0].previous_output).unwrap().clone(); + let preimage_bump_tx = node_txn.iter().skip(1).find(|t| t.input[0].previous_output == preimage_tx.input[0].previous_output).unwrap().clone(); preimage_bump = preimage_bump_tx; check_spends!(preimage_bump, remote_txn[0]); @@ -7740,7 +7748,8 @@ fn test_bump_penalty_txn_on_remote_commitment() { connect_blocks(&nodes[1], crate::chain::package::LOW_FREQUENCY_BUMP_INTERVAL); { let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); - assert_eq!(node_txn.len(), 1); + assert!(node_txn.len() >= 1); + assert!(node_txn.len() <= 2); assert_eq!(node_txn[0].input.len(), 1); assert_eq!(preimage_bump.input.len(), 1); check_spends!(node_txn[0], remote_txn[0]);