ChannelManager initialization docs with example

[rust-lightning] / lightning / src / ln / onion_route_tests.rs

diff --git a/lightning/src/ln/onion_route_tests.rs b/lightning/src/ln/onion_route_tests.rs
index dce0d232f01613a4c1f3a97ca14c09aa334a35cb..80c588e2562e993bdb0cd78cf84bff236aeca593 100644 (file)
--- a/lightning/src/ln/onion_route_tests.rs
+++ b/lightning/src/ln/onion_route_tests.rs
@@ -22,7 +22,7 @@ use crate::routing::gossip::{NetworkUpdate, RoutingFees};
 use crate::routing::router::{get_route, PaymentParameters, Route, RouteParameters, RouteHint, RouteHintHop};
 use crate::ln::features::{InitFeatures, Bolt11InvoiceFeatures};
 use crate::ln::msgs;
-use crate::ln::msgs::{ChannelMessageHandler, ChannelUpdate};
+use crate::ln::msgs::{ChannelMessageHandler, ChannelUpdate, OutboundTrampolinePayload};
 use crate::ln::wire::Encode;
 use crate::util::ser::{Writeable, Writer, BigSize};
 use crate::util::test_utils;
@@ -35,11 +35,12 @@ use bitcoin::hashes::hmac::{Hmac, HmacEngine};
 use bitcoin::hashes::sha256::Hash as Sha256;
 
 use bitcoin::secp256k1;
-use bitcoin::secp256k1::{Secp256k1, SecretKey};
+use bitcoin::secp256k1::{PublicKey, Secp256k1, SecretKey};
 
 use crate::io;
 use crate::prelude::*;
 use core::default::Default;
+use bitcoin::hashes::hex::FromHex;
 
 use crate::ln::functional_test_utils::*;
 
@@ -639,7 +640,7 @@ fn test_onion_failure() {
                        let um = onion_utils::gen_um_from_shared_secret(&onion_keys[1].shared_secret.as_ref());
                        let mut hmac = HmacEngine::<Sha256>::new(&um);
                        hmac.input(&decoded_err_packet.encode()[32..]);
-                       decoded_err_packet.hmac = Hmac::from_engine(hmac).into_inner();
+                       decoded_err_packet.hmac = Hmac::from_engine(hmac).to_byte_array();
                        msg.reason = onion_utils::encrypt_failure_packet(
                                &onion_keys[1].shared_secret.as_ref(), &decoded_err_packet.encode()[..])
                }, || nodes[2].node.fail_htlc_backwards(&payment_hash), false, None,
@@ -662,7 +663,7 @@ fn test_onion_failure() {
                        let um = onion_utils::gen_um_from_shared_secret(&onion_keys[0].shared_secret.as_ref());
                        let mut hmac = HmacEngine::<Sha256>::new(&um);
                        hmac.input(&decoded_err_packet.encode()[32..]);
-                       decoded_err_packet.hmac = Hmac::from_engine(hmac).into_inner();
+                       decoded_err_packet.hmac = Hmac::from_engine(hmac).to_byte_array();
                        msg.reason = onion_utils::encrypt_failure_packet(
                                &onion_keys[0].shared_secret.as_ref(), &decoded_err_packet.encode()[..])
                }, || {}, true, Some(0x1000|7),
@@ -686,7 +687,7 @@ fn test_onion_failure() {
                        let um = onion_utils::gen_um_from_shared_secret(&onion_keys[1].shared_secret.as_ref());
                        let mut hmac = HmacEngine::<Sha256>::new(&um);
                        hmac.input(&decoded_err_packet.encode()[32..]);
-                       decoded_err_packet.hmac = Hmac::from_engine(hmac).into_inner();
+                       decoded_err_packet.hmac = Hmac::from_engine(hmac).to_byte_array();
                        msg.reason = onion_utils::encrypt_failure_packet(
                                &onion_keys[1].shared_secret.as_ref(), &decoded_err_packet.encode()[..])
                }, || nodes[2].node.fail_htlc_backwards(&payment_hash), true, Some(0x1000|7),
@@ -966,6 +967,25 @@ fn test_always_create_tlv_format_onion_payloads() {
        }
 }
 
+#[test]
+fn test_trampoline_onion_payload_serialization() {
+       // As per https://github.com/lightning/bolts/blob/c01d2e6267d4a8d1095f0f1188970055a9a22d29/bolt04/trampoline-payment-onion-test.json#L3
+       let trampoline_payload = OutboundTrampolinePayload::Forward {
+               amt_to_forward: 100000000,
+               outgoing_cltv_value: 800000,
+               outgoing_node_id: PublicKey::from_slice(&<Vec<u8>>::from_hex("02edabbd16b41c8371b92ef2f04c1185b4f03b6dcd52ba9b78d9d7c89c8f221145").unwrap()).unwrap(),
+       };
+
+       let slice_to_hex = |slice: &[u8]| {
+               slice.iter()
+                       .map(|b| format!("{:02x}", b).to_string())
+                       .collect::<String>()
+       };
+
+       let carol_payload_hex = slice_to_hex(&trampoline_payload.encode());
+       assert_eq!(carol_payload_hex, "2e020405f5e10004030c35000e2102edabbd16b41c8371b92ef2f04c1185b4f03b6dcd52ba9b78d9d7c89c8f221145");
+}
+
 fn do_test_fail_htlc_backwards_with_reason(failure_code: FailureCode) {
 
        let chanmon_cfgs = create_chanmon_cfgs(2);
@@ -1119,7 +1139,7 @@ fn test_phantom_onion_hmac_failure() {
                                }, ..
                        }) => {
                                onion_packet.hmac[onion_packet.hmac.len() - 1] ^= 1;
-                               Sha256::hash(&onion_packet.hop_data).into_inner().to_vec()
+                               Sha256::hash(&onion_packet.hop_data).to_byte_array().to_vec()
                        },
                        _ => panic!("Unexpected forward"),
                }
@@ -1317,7 +1337,7 @@ fn test_phantom_failure_too_low_cltv() {
        // Ensure the payment fails with the expected error.
        let mut error_data = recv_value_msat.to_be_bytes().to_vec();
        error_data.extend_from_slice(
-               &nodes[0].node.best_block.read().unwrap().height().to_be_bytes(),
+               &nodes[0].node.best_block.read().unwrap().height.to_be_bytes(),
        );
        let mut fail_conditions = PaymentFailedConditions::new()
                .blamed_scid(phantom_scid)
@@ -1447,7 +1467,7 @@ fn test_phantom_failure_too_low_recv_amt() {
 
        // Ensure the payment fails with the expected error.
        let mut error_data = bad_recv_amt_msat.to_be_bytes().to_vec();
-       error_data.extend_from_slice(&nodes[1].node.best_block.read().unwrap().height().to_be_bytes());
+       error_data.extend_from_slice(&nodes[1].node.best_block.read().unwrap().height.to_be_bytes());
        let mut fail_conditions = PaymentFailedConditions::new()
                .blamed_scid(phantom_scid)
                .expected_htlc_error_data(0x4000 | 15, &error_data);
@@ -1554,7 +1574,7 @@ fn test_phantom_failure_reject_payment() {
 
        // Ensure the payment fails with the expected error.
        let mut error_data = recv_amt_msat.to_be_bytes().to_vec();
-       error_data.extend_from_slice(&nodes[1].node.best_block.read().unwrap().height().to_be_bytes());
+       error_data.extend_from_slice(&nodes[1].node.best_block.read().unwrap().height.to_be_bytes());
        let mut fail_conditions = PaymentFailedConditions::new()
                .blamed_scid(phantom_scid)
                .expected_htlc_error_data(0x4000 | 15, &error_data);