// A simple block containing only one transaction (which is the channel-open transaction for the
// channel we'll create). This was originally created by printing additional data in a simple
// rust-lightning unit test.
+//
+// Note that the merkle root is incorrect, but it isn't ever checked by LDK, so should be fine.
const uint8_t channel_open_block[] = {
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x02, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x01, 0x40, 0x9c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x22, 0x00, 0x20, 0xd1, 0xd9, 0x13, 0xa9,
- 0x76, 0x09, 0x05, 0xa3, 0x4d, 0x13, 0x5b, 0x69, 0xaa, 0xe7, 0x79, 0x71, 0xb9, 0x75, 0xa1, 0xd0,
- 0x77, 0xcb, 0xa2, 0xf6, 0x6a, 0x25, 0x37, 0x3a, 0xaf, 0xdc, 0x11, 0x09, 0x01, 0x00, 0x00, 0x00,
+ 0x01, 0x40, 0x9c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x22, 0x00, 0x20, 0xba, 0x1e, 0x83, 0xac,
+ 0xc0, 0xee, 0xc5, 0xeb, 0xd0, 0x97, 0xc8, 0x1d, 0x54, 0xbe, 0x54, 0x34, 0x53, 0x2d, 0x1b, 0x90,
+ 0x50, 0x4d, 0xc9, 0x7b, 0x88, 0x5b, 0x7b, 0xee, 0x08, 0x98, 0x7b, 0x3b, 0x01, 0x00, 0x00, 0x00,
0x00, 0x00
};
// The first transaction in the block is header (80 bytes) + transaction count (1 byte) into the block data.
const uint8_t channel_open_txid[] = {
- 0x02, 0xe0, 0x50, 0x05, 0x33, 0xd3, 0x29, 0x66, 0x0c, 0xb2, 0xcb, 0x1e, 0x7a, 0x4a, 0xc7, 0xc7,
- 0x8b, 0x02, 0x46, 0x7e, 0x30, 0x2c, 0xe6, 0x19, 0xce, 0x43, 0x3e, 0xdf, 0x43, 0x65, 0xae, 0xf9,
+ 0xe3, 0x76, 0xb9, 0xc7, 0x9e, 0xac, 0x0f, 0x28, 0xa2, 0x7f, 0xa6, 0x63, 0xa8, 0x46, 0xf3, 0xcf,
+ 0xb1, 0x6a, 0x8d, 0x9a, 0x41, 0x4a, 0x8c, 0x07, 0x2d, 0xfa, 0x94, 0x72, 0x0e, 0x44, 0x3c, 0x7f
};
// Two blocks built on top of channel_open_block:
struct EventQueue {
std::vector<LDK::Event> events;
};
-void handle_event(const void *this_arg, const LDKEvent *event) {
+void handle_event(const void *this_arg, LDKEvent event) {
EventQueue* arg = (EventQueue*) this_arg;
- arg->events.push_back(Event_clone(event));
+ arg->events.push_back(std::move(event));
}
#ifdef REAL_NET
return 42;
}
-struct LDKCResult_RouteLightningErrorZ custom_find_route(const void *this_arg, struct LDKPublicKey payer, const struct LDKRouteParameters *NONNULL_PTR route_params, const uint8_t (*payment_hash)[32], struct LDKCVec_ChannelDetailsZ *first_hops, const struct LDKInFlightHtlcs in_flights) {
+struct LDKCResult_RouteLightningErrorZ custom_find_route(const void *this_arg, struct LDKPublicKey payer, const struct LDKRouteParameters *NONNULL_PTR route_params, struct LDKCVec_ChannelDetailsZ *first_hops, const struct LDKInFlightHtlcs in_flights) {
const LDK::DefaultRouter *router = (LDK::DefaultRouter *)this_arg;
assert(first_hops->datalen == 1);
assert(ChannelDetails_get_is_usable(&first_hops->data[0]));
const LDK::Router router_impl = DefaultRouter_as_Router(&*router);
- return router_impl->find_route(router_impl->this_arg, payer, route_params, payment_hash, first_hops, in_flights);
+ return router_impl->find_route(router_impl->this_arg, payer, route_params, first_hops, in_flights);
}
void custom_notify_payment_path_failed(const void *this_arg, struct LDKCVec_RouteHopZ path, uint64_t short_channel_id) {
LDK::PeerManager net1 = PeerManager_new(std::move(msg_handler1), node_secret1, 0xdeadbeef, &random_bytes.data, logger1, std::move(custom_msg_handler1));
// Demo getting a channel key and check that its returning real pubkeys:
- LDK::Sign chan_signer1 = keys_source1->get_channel_signer(keys_source1->this_arg, false, 42);
+ LDKSixteenBytes user_id_1 { .data = {45, 0, 0, 0, 0, 0, 0, 0, 44, 0, 0, 0, 0, 0, 0, 0} };
+ LDKThirtyTwoBytes chan_signer_id1 = keys_source1->generate_channel_keys_id(keys_source1->this_arg, false, 42, U128_new(user_id_1));
+ LDK::Sign chan_signer1 = keys_source1->derive_channel_signer(keys_source1->this_arg, 42, chan_signer_id1);
chan_signer1->BaseSign.set_pubkeys(&chan_signer1->BaseSign); // Make sure pubkeys is defined
LDKPublicKey payment_point = ChannelPublicKeys_get_payment_point(&chan_signer1->BaseSign.pubkeys);
assert(memcmp(&payment_point, &null_pk, sizeof(null_pk)));
PeersConnection conn(cm1, cm2, net1, net2);
// Note that we have to bind the result to a C++ class to make sure it gets free'd
- LDK::CResult__u832APIErrorZ res = ChannelManager_create_channel(&cm1, ChannelManager_get_our_node_id(&cm2), 40000, 1000, 42, UserConfig_default());
+ LDK::CResult__u832APIErrorZ res = ChannelManager_create_channel(&cm1, ChannelManager_get_our_node_id(&cm2), 40000, 1000, U128_new(user_id_1), UserConfig_default());
assert(res->result_ok);
PeerManager_process_events(&net1);
std::this_thread::yield();
}
- LDKEventsProvider ev1 = ChannelManager_as_EventsProvider(&cm1);
+ LDK::EventsProvider ev1 = ChannelManager_as_EventsProvider(&cm1);
while (true) {
EventQueue queue;
LDKEventHandler handler = { .this_arg = &queue, .handle_event = handle_event, .free = NULL };
- ev1.process_pending_events(ev1.this_arg, handler);
+ ev1.process_pending_events(handler);
if (queue.events.size() == 1) {
assert(queue.events[0]->tag == LDKEvent_FundingGenerationReady);
- assert(queue.events[0]->funding_generation_ready.user_channel_id == 42);
+ LDKSixteenBytes event_id = U128_le_bytes(queue.events[0]->funding_generation_ready.user_channel_id);
+ assert(!memcmp(&event_id, &user_id_1, 16));
assert(queue.events[0]->funding_generation_ready.channel_value_satoshis == 40000);
assert(queue.events[0]->funding_generation_ready.output_script.datalen == 34);
+
assert(!memcmp(queue.events[0]->funding_generation_ready.output_script.data, channel_open_block + 58 + 81, 34));
LDKTransaction funding_transaction { .data = const_cast<uint8_t*>(channel_open_block + 81), .datalen = sizeof(channel_open_block) - 81, .data_is_owned = false };
PeerManager_process_events(&net1);
PeerManager_process_events(&net2);
+ // Note that the channel ID is the same as the channel txid reversed as the output index is 0
+ uint8_t expected_chan_id[32];
+ for (int i = 0; i < 32; i++) { expected_chan_id[i] = channel_open_txid[31-i]; }
+
+ LDK::EventsProvider ev2 = ChannelManager_as_EventsProvider(&cm2);
+ while (true) {
+ EventQueue queue;
+ LDKEventHandler handler = { .this_arg = &queue, .handle_event = handle_event, .free = NULL };
+ ev2.process_pending_events(handler);
+ if (queue.events.size() == 1) {
+ assert(queue.events[0]->tag == LDKEvent_ChannelReady);
+ assert(!memcmp(queue.events[0]->channel_ready.channel_id.data, expected_chan_id, 32));
+ break;
+ }
+ std::this_thread::yield();
+ }
+
+ while (true) {
+ EventQueue queue;
+ LDKEventHandler handler = { .this_arg = &queue, .handle_event = handle_event, .free = NULL };
+ ev1.process_pending_events(handler);
+ if (queue.events.size() == 1) {
+ assert(queue.events[0]->tag == LDKEvent_ChannelReady);
+ assert(!memcmp(queue.events[0]->channel_ready.channel_id.data, expected_chan_id, 32));
+ break;
+ }
+ std::this_thread::yield();
+ }
+
// Now send funds from 1 to 2!
uint64_t channel_scid;
while (true) {
if (outbound_channels->datalen == 1) {
const LDKChannelDetails *channel = &outbound_channels->data[0];
LDK::ChannelCounterparty counterparty = ChannelDetails_get_counterparty(channel);
- // Note that the channel ID is the same as the channel txid reversed as the output index is 0
- uint8_t expected_chan_id[32];
- for (int i = 0; i < 32; i++) { expected_chan_id[i] = channel_open_txid[31-i]; }
+
assert(!memcmp(ChannelDetails_get_channel_id(channel), expected_chan_id, 32));
assert(!memcmp(
ChannelCounterparty_get_node_id(&counterparty).compressed_form,
assert(RouteHop_get_short_channel_id(&paths->data[0].data[0]) == channel_scid);
LDKThirtyTwoBytes payment_secret;
memcpy(payment_secret.data, Invoice_payment_secret(invoice->contents.result), 32);
- LDK::CResult_PaymentIdPaymentSendFailureZ send_res = ChannelManager_send_payment(&cm1, route->contents.result, payment_hash, payment_secret);
+ LDK::CResult_NonePaymentSendFailureZ send_res = ChannelManager_send_payment(&cm1, route->contents.result, payment_hash, payment_secret, payment_hash);
assert(send_res->result_ok);
}
}
// Check that we received the payment!
- LDK::EventsProvider ev2 = ChannelManager_as_EventsProvider(&cm2);
while (true) {
EventQueue queue;
LDKEventHandler handler = { .this_arg = &queue, .handle_event = handle_event, .free = NULL };
LDKEventHandler handler = { .this_arg = &queue, .handle_event = handle_event, .free = NULL };
ev2.process_pending_events(handler);
assert(queue.events.size() == 1);
- assert(queue.events[0]->tag == LDKEvent_PaymentReceived);
- assert(!memcmp(queue.events[0]->payment_received.payment_hash.data, payment_hash.data, 32));
- assert(queue.events[0]->payment_received.purpose.tag == LDKPaymentPurpose_InvoicePayment);
- assert(!memcmp(queue.events[0]->payment_received.purpose.invoice_payment.payment_secret.data,
+ assert(queue.events[0]->tag == LDKEvent_PaymentClaimable);
+ assert(!memcmp(queue.events[0]->payment_claimable.payment_hash.data, payment_hash.data, 32));
+ assert(queue.events[0]->payment_claimable.purpose.tag == LDKPaymentPurpose_InvoicePayment);
+ assert(!memcmp(queue.events[0]->payment_claimable.purpose.invoice_payment.payment_secret.data,
Invoice_payment_secret(invoice->contents.result), 32));
- assert(queue.events[0]->payment_received.amount_msat == 5000);
- memcpy(payment_preimage.data, queue.events[0]->payment_received.purpose.invoice_payment.payment_preimage.data, 32);
+ assert(queue.events[0]->payment_claimable.amount_msat == 5000);
+ memcpy(payment_preimage.data, queue.events[0]->payment_claimable.purpose.invoice_payment.payment_preimage.data, 32);
ChannelManager_claim_funds(&cm2, payment_preimage);
queue.events.clear();
EventQueue queue;
LDKEventHandler handler = { .this_arg = &queue, .handle_event = handle_event, .free = NULL };
while (queue.events.size() < 2)
- ev1.process_pending_events(ev1.this_arg, handler);
+ ev1.process_pending_events(handler);
assert(queue.events.size() == 2);
assert(queue.events[0]->tag == LDKEvent_PaymentSent);
assert(!memcmp(queue.events[0]->payment_sent.payment_preimage.data, payment_preimage.data, 32));
LDK::EventsProvider ev2 = ChannelManager_as_EventsProvider(&cm2);
ev2.process_pending_events(handler2);
if (queue2.events.size() == 1) {
- assert(queue2.events[0]->tag == LDKEvent_PaymentReceived);
- const struct LDKEvent_LDKPaymentReceived_Body *event_data = &queue2.events[0]->payment_received;
+ assert(queue2.events[0]->tag == LDKEvent_PaymentClaimable);
+ const struct LDKEvent_LDKPaymentClaimable_Body *event_data = &queue2.events[0]->payment_claimable;
assert(!memcmp(event_data->payment_hash.data, Invoice_payment_hash(invoice2), 32));
assert(event_data->purpose.tag == LDKPaymentPurpose_InvoicePayment);
assert(!memcmp(event_data->purpose.invoice_payment.payment_secret.data,
LDK::CVec_ChannelDetailsZ chans_after_close2 = ChannelManager_list_channels(&cm2);
assert(chans_after_close2->datalen == 0);
- assert(OnionMessenger_send_custom_onion_message(&om1,
+ assert(OnionMessenger_send_onion_message(&om1,
LDKCVec_PublicKeyZ { .data = NULL, .datalen = 0, },
Destination_node(ChannelManager_get_our_node_id(&cm2)),
- build_custom_onion_message(), LDKBlindedRoute { .inner = NULL, .is_owned = true })
+ LDKOnionMessageContents {
+ .tag = LDKOnionMessageContents_Custom,
+ .custom = build_custom_onion_message()
+ }, LDKBlindedPath { .inner = NULL, .is_owned = true })
.result_ok);
PeerManager_process_events(&net1);
while (true) {
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