Update C/C++ demos to latest upstream API
authorMatt Corallo <git@bluematt.me>
Thu, 23 Jun 2022 03:02:48 +0000 (03:02 +0000)
committerMatt Corallo <git@bluematt.me>
Tue, 28 Jun 2022 02:26:57 +0000 (02:26 +0000)
lightning-c-bindings/demo.c
lightning-c-bindings/demo.cpp

index dfa0e2fadbd835619f38c2dc8e98b4a852d71eec..1e9bfb0c283a28c28cfac1840962557f3844e57e 100644 (file)
@@ -31,8 +31,8 @@ LDKCResult_NoneChannelMonitorUpdateErrZ add_channel_monitor(const void *this_arg
 LDKCResult_NoneChannelMonitorUpdateErrZ update_channel_monitor(const void *this_arg, LDKOutPoint funding_txo, LDKChannelMonitorUpdate monitor) {
        return CResult_NoneChannelMonitorUpdateErrZ_ok();
 }
-LDKCVec_MonitorEventZ monitors_pending_monitor_events(const void *this_arg) {
-       LDKCVec_MonitorEventZ empty_htlc_vec = {
+LDKCVec_C2Tuple_OutPointCVec_MonitorEventZZZ monitors_pending_monitor_events(const void *this_arg) {
+       LDKCVec_C2Tuple_OutPointCVec_MonitorEventZZZ empty_htlc_vec = {
                .data = NULL,
                .datalen = 0,
        };
index fa75140a59e9be8c53bc48034513e6f63977e10b..1d29ed60293b96ca7789edc3e20b5f1e96320c9f 100644 (file)
@@ -176,12 +176,12 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_channel_monitor(const void *this_
        mons_updated += 1;
        return CResult_NoneChannelMonitorUpdateErrZ_ok();
 }
-LDKCVec_MonitorEventZ monitors_pending_monitor_events(const void *this_arg) {
+LDKCVec_C2Tuple_OutPointCVec_MonitorEventZZZ monitors_pending_monitor_events(const void *this_arg) {
        NodeMonitors* arg = (NodeMonitors*) this_arg;
        std::unique_lock<std::mutex> l(arg->mut);
 
        if (arg->mons.size() == 0) {
-               return LDKCVec_MonitorEventZ {
+               return LDKCVec_C2Tuple_OutPointCVec_MonitorEventZZZ {
                        .data = NULL,
                        .datalen = 0,
                };
@@ -189,7 +189,16 @@ LDKCVec_MonitorEventZ monitors_pending_monitor_events(const void *this_arg) {
                // We only ever actually have one channel per node, plus concatenating two
                // Rust Vecs to each other from C++ will require a bit of effort.
                assert(arg->mons.size() == 1);
-               return ChannelMonitor_get_and_clear_pending_monitor_events(&arg->mons[0].second);
+               LDK::CVec_MonitorEventZ events = ChannelMonitor_get_and_clear_pending_monitor_events(&arg->mons[0].second);
+               LDK::C2Tuple_OutPointScriptZ funding_info = ChannelMonitor_get_funding_txo(&arg->mons[0].second);
+               LDK::OutPoint outpoint = std::move(funding_info->a);
+               LDK::C2Tuple_OutPointCVec_MonitorEventZZ pair = C2Tuple_OutPointCVec_MonitorEventZZ_new(std::move(outpoint), std::move(events));
+               auto vec = LDKCVec_C2Tuple_OutPointCVec_MonitorEventZZZ {
+                       .data = (LDKC2Tuple_OutPointCVec_MonitorEventZZ*)malloc(sizeof(LDKC2Tuple_OutPointCVec_MonitorEventZZ)),
+                       .datalen = 1,
+               };
+               vec.data[0] = std::move(pair);
+               return vec;
        }
 }
 
@@ -421,7 +430,8 @@ LDKCVec_C2Tuple_PublicKeyTypeZZ create_custom_msg(const void* this_arg) {
        return ret;
 }
 
-uint64_t get_chan_score(const void *this_arg, uint64_t scid, uint64_t htlc_amt, uint64_t chan_capacity, const LDKNodeId *src, const LDKNodeId *dst) {
+uint64_t get_chan_score(const void *this_arg, uint64_t scid, const LDKNodeId *src, const LDKNodeId *dst, LDKChannelUsage usage_in) {
+       LDK::ChannelUsage usage(std::move(usage_in));
        return 42;
 }
 
@@ -434,7 +444,8 @@ struct LDKCResult_RouteLightningErrorZ custom_find_route(const void *this_arg, s
        const struct CustomRouteFinderParams *params = (struct CustomRouteFinderParams *)this_arg;
        assert(first_hops->datalen == 1);
        assert(ChannelDetails_get_is_usable(&first_hops->data[0]));
-       return find_route(payer, route_params, params->graph_ref, first_hops, *params->logger, scorer, &params->random_seed_bytes.data);
+       LDK::ReadOnlyNetworkGraph graph_lock = NetworkGraph_read_only(params->graph_ref);
+       return find_route(payer, route_params, &graph_lock, first_hops, *params->logger, scorer, &params->random_seed_bytes.data);
 }
 
 int main() {
@@ -478,8 +489,8 @@ int main() {
                .free = NULL,
        };
 
-       LDK::NetworkGraph net_graph1 = NetworkGraph_new(genesis_hash);
-       LDK::NetGraphMsgHandler graph_msg_handler1 = NetGraphMsgHandler_new(&net_graph1, COption_AccessZ_none(), logger1);
+       LDK::NetworkGraph net_graph1 = NetworkGraph_new(genesis_hash, logger1);
+       LDK::P2PGossipSync graph_msg_handler1 = P2PGossipSync_new(&net_graph1, COption_AccessZ_none(), logger1);
        LDKSecretKey node_secret1;
 
        LDKLogger logger2 {
@@ -498,8 +509,8 @@ int main() {
                .free = NULL,
        };
 
-       LDK::NetworkGraph net_graph2 = NetworkGraph_new(genesis_hash);
-       LDK::NetGraphMsgHandler graph_msg_handler2 = NetGraphMsgHandler_new(&net_graph2, COption_AccessZ_none(), logger2);
+       LDK::NetworkGraph net_graph2 = NetworkGraph_new(genesis_hash, logger2);
+       LDK::P2PGossipSync graph_msg_handler2 = P2PGossipSync_new(&net_graph2, COption_AccessZ_none(), logger2);
        LDKSecretKey node_secret2;
 
        LDK::CVec_u8Z cm1_ser = LDKCVec_u8Z {}; // ChannelManager 1 serialization at the end of the ser-des scope
@@ -520,7 +531,7 @@ int main() {
                LDK::CVec_ChannelDetailsZ channels = ChannelManager_list_channels(&cm1);
                assert(channels->datalen == 0);
 
-               LDK::MessageHandler msg_handler1 = MessageHandler_new(ChannelManager_as_ChannelMessageHandler(&cm1), NetGraphMsgHandler_as_RoutingMessageHandler(&graph_msg_handler1));
+               LDK::MessageHandler msg_handler1 = MessageHandler_new(ChannelManager_as_ChannelMessageHandler(&cm1), P2PGossipSync_as_RoutingMessageHandler(&graph_msg_handler1));
 
                LDK::IgnoringMessageHandler ignoring_handler1 = IgnoringMessageHandler_new();
                LDK::CustomMessageHandler custom_msg_handler1 = IgnoringMessageHandler_as_CustomMessageHandler(&ignoring_handler1);
@@ -552,7 +563,7 @@ int main() {
                LDK::CVec_ChannelDetailsZ channels2 = ChannelManager_list_channels(&cm2);
                assert(channels2->datalen == 0);
 
-               LDK::RoutingMessageHandler net_msgs2 = NetGraphMsgHandler_as_RoutingMessageHandler(&graph_msg_handler2);
+               LDK::RoutingMessageHandler net_msgs2 = P2PGossipSync_as_RoutingMessageHandler(&graph_msg_handler2);
                LDK::CResult_ChannelAnnouncementDecodeErrorZ chan_ann = ChannelAnnouncement_read(LDKu8slice { .data = valid_node_announcement, .datalen = sizeof(valid_node_announcement) });
                assert(chan_ann->result_ok);
                LDK::CResult_boolLightningErrorZ ann_res = net_msgs2->handle_channel_announcement(net_msgs2->this_arg, chan_ann->contents.result);
@@ -605,7 +616,7 @@ int main() {
                                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 };
 
-                               LDK::CResult_NoneAPIErrorZ fund_res = ChannelManager_funding_transaction_generated(&cm1, &queue.events[0]->funding_generation_ready.temporary_channel_id.data, funding_transaction);
+                               LDK::CResult_NoneAPIErrorZ fund_res = ChannelManager_funding_transaction_generated(&cm1, &queue.events[0]->funding_generation_ready.temporary_channel_id.data, queue.events[0]->funding_generation_ready.counterparty_node_id, funding_transaction);
                                assert(fund_res->result_ok);
                                break;
                        }
@@ -688,7 +699,7 @@ int main() {
                                .chars = (const uint8_t *)"Invoice Description",
                                .len =             strlen("Invoice Description"),
                                .chars_is_owned = false
-                       });
+                       }, 3600);
                assert(invoice->result_ok);
                LDKThirtyTwoBytes payment_hash;
                memcpy(payment_hash.data, Invoice_payment_hash(invoice->contents.result), 32);
@@ -704,7 +715,10 @@ int main() {
                                        }, Invoice_route_hints(invoice->contents.result), COption_u64Z_none(), 0xffffffff),
                                5000, Invoice_min_final_cltv_expiry(invoice->contents.result));
                        random_bytes = keys_source1->get_secure_random_bytes(keys_source1->this_arg);
-                       LDK::CResult_RouteLightningErrorZ route = find_route(ChannelManager_get_our_node_id(&cm1), &route_params, &net_graph2, &outbound_channels, logger1, &chan_scorer, &random_bytes.data);
+                       LDK::ReadOnlyNetworkGraph graph_lock = NetworkGraph_read_only(&net_graph2);
+
+                       LDK::CResult_RouteLightningErrorZ route = find_route(ChannelManager_get_our_node_id(&cm1), &route_params, &graph_lock, &outbound_channels, logger1, &chan_scorer, &random_bytes.data);
+
                        assert(route->result_ok);
                        LDK::CVec_CVec_RouteHopZZ paths = Route_get_paths(route->contents.result);
                        assert(paths->datalen == 1);
@@ -751,9 +765,16 @@ int main() {
                        assert(queue.events[0]->payment_received.purpose.tag == LDKPaymentPurpose_InvoicePayment);
                        assert(!memcmp(queue.events[0]->payment_received.purpose.invoice_payment.payment_secret.data,
                                        Invoice_payment_secret(invoice->contents.result), 32));
-                       assert(queue.events[0]->payment_received.amt == 5000);
+                       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(ChannelManager_claim_funds(&cm2, payment_preimage));
+                       ChannelManager_claim_funds(&cm2, payment_preimage);
+
+                       queue.events.clear();
+                       ev2.process_pending_events(handler);
+                       assert(queue.events.size() == 1);
+                       assert(queue.events[0]->tag == LDKEvent_PaymentClaimed);
+                       assert(!memcmp(queue.events[0]->payment_claimed.payment_hash.data, payment_hash.data, 32));
+                       assert(queue.events[0]->payment_claimed.purpose.tag == LDKPaymentPurpose_InvoicePayment);
                }
                PeerManager_process_events(&net2);
                // Wait until we've passed through a full set of monitor updates (ie new preimage + CS/RAA messages)
@@ -809,11 +830,11 @@ int main() {
        // Attempt to close the channel...
        uint8_t chan_id[32];
        for (int i = 0; i < 32; i++) { chan_id[i] = channel_open_txid[31-i]; }
-       LDK::CResult_NoneAPIErrorZ close_res = ChannelManager_close_channel(&cm1, &chan_id);
+       LDK::CResult_NoneAPIErrorZ close_res = ChannelManager_close_channel(&cm1, &chan_id, ChannelManager_get_our_node_id(&cm2));
        assert(!close_res->result_ok); // Note that we can't close while disconnected!
 
        // Open a connection!
-       LDK::MessageHandler msg_handler1 = MessageHandler_new(ChannelManager_as_ChannelMessageHandler(&cm1), NetGraphMsgHandler_as_RoutingMessageHandler(&graph_msg_handler1));
+       LDK::MessageHandler msg_handler1 = MessageHandler_new(ChannelManager_as_ChannelMessageHandler(&cm1), P2PGossipSync_as_RoutingMessageHandler(&graph_msg_handler1));
        random_bytes = keys_source1->get_secure_random_bytes(keys_source1->this_arg);
 
        LDKPublicKey chan_2_node_id = ChannelManager_get_our_node_id(&cm2);
@@ -830,7 +851,7 @@ int main() {
        };
        LDK::PeerManager net1 = PeerManager_new(std::move(msg_handler1), node_secret1, &random_bytes.data, logger1, std::move(custom_msg_handler1));
 
-       LDK::MessageHandler msg_handler2 = MessageHandler_new(ChannelManager_as_ChannelMessageHandler(&cm2), NetGraphMsgHandler_as_RoutingMessageHandler(&graph_msg_handler2));
+       LDK::MessageHandler msg_handler2 = MessageHandler_new(ChannelManager_as_ChannelMessageHandler(&cm2), P2PGossipSync_as_RoutingMessageHandler(&graph_msg_handler2));
        CustomMsgQueue peer_2_custom_messages;
        LDKCustomMessageHandler custom_msg_handler2 = {
                .this_arg = &peer_2_custom_messages,
@@ -867,11 +888,11 @@ int main() {
                .find_route = custom_find_route,
                .free = NULL,
        };
-       LDK::ProbabilisticScorer scorer = ProbabilisticScorer_new(ProbabilisticScoringParameters_default(), &net_graph1);
+       LDK::ProbabilisticScorer scorer = ProbabilisticScorer_new(ProbabilisticScoringParameters_default(), &net_graph1, logger1);
        LDK::MultiThreadedLockableScore scorer_mtx = MultiThreadedLockableScore_new(ProbabilisticScorer_as_Score(&scorer));
        EventQueue queue1;
        LDKEventHandler handler1 = { .this_arg = &queue1, .handle_event = handle_event, .free = NULL };
-       LDK::InvoicePayer payer = InvoicePayer_new(ChannelManager_as_Payer(&cm1), sending_router, &scorer_mtx, logger1, handler1, RetryAttempts_new(0));
+       LDK::InvoicePayer payer = InvoicePayer_new(ChannelManager_as_Payer(&cm1), sending_router, &scorer_mtx, logger1, handler1, Retry_attempts(0));
 
        LDK::CResult_InvoiceSignOrCreationErrorZ invoice_res2 = create_invoice_from_channelmanager(&cm2,
                KeysManager_as_KeysInterface(&keys2),
@@ -880,7 +901,7 @@ int main() {
                        .chars = (const uint8_t *)"Invoice 2 Description",
                        .len =             strlen("Invoice 2 Description"),
                        .chars_is_owned = false
-               });
+               }, 3600);
        assert(invoice_res2->result_ok);
        const LDKInvoice *invoice2 = invoice_res2->contents.result;
        LDK::CResult_PaymentIdPaymentErrorZ invoice_pay_res = InvoicePayer_pay_invoice(&payer, invoice2);
@@ -914,8 +935,16 @@ int main() {
                        assert(event_data->purpose.tag == LDKPaymentPurpose_InvoicePayment);
                        assert(!memcmp(event_data->purpose.invoice_payment.payment_secret.data,
                                        Invoice_payment_secret(invoice2), 32));
-                       assert(event_data->amt == 10000);
-                       assert(ChannelManager_claim_funds(&cm2, event_data->purpose.invoice_payment.payment_preimage));
+                       assert(event_data->amount_msat == 10000);
+                       ChannelManager_claim_funds(&cm2, event_data->purpose.invoice_payment.payment_preimage);
+
+                       queue2.events.clear();
+                       ev2.process_pending_events(handler2);
+                       assert(queue2.events.size() == 1);
+                       assert(queue2.events[0]->tag == LDKEvent_PaymentClaimed);
+                       assert(!memcmp(queue2.events[0]->payment_claimed.payment_hash.data, Invoice_payment_hash(invoice2), 32));
+                       assert(queue2.events[0]->payment_claimed.purpose.tag == LDKPaymentPurpose_InvoicePayment);
+
                        break;
                }
                std::this_thread::yield();
@@ -935,7 +964,7 @@ int main() {
 
        // Actually close the channel
        num_txs_broadcasted = 0;
-       close_res = ChannelManager_close_channel(&cm1, &chan_id);
+       close_res = ChannelManager_close_channel(&cm1, &chan_id, ChannelManager_get_our_node_id(&cm2));
        assert(close_res->result_ok);
        PeerManager_process_events(&net1);
        while (num_txs_broadcasted != 2) {