--- /dev/null
+extern "C" {
+#include "include/rust_types.h"
+#include "include/lightning.h"
+}
+#include "include/lightningpp.hpp"
+
+#include <assert.h>
+#include <stdio.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include <chrono>
+#include <functional>
+#include <thread>
+#include <mutex>
+#include <vector>
+
+const uint8_t valid_node_announcement[] = {
+ 0x94, 0xe4, 0xf5, 0x61, 0x41, 0x24, 0x7d, 0x90, 0x23, 0xa0, 0xc8, 0x34, 0x8c, 0xc4, 0xca, 0x51,
+ 0xd8, 0x17, 0x59, 0xff, 0x7d, 0xac, 0x8c, 0x9b, 0x63, 0x29, 0x1c, 0xe6, 0x12, 0x12, 0x93, 0xbd,
+ 0x66, 0x4d, 0x6b, 0x9c, 0xfb, 0x35, 0xda, 0x16, 0x06, 0x3d, 0xf0, 0x8f, 0x8a, 0x39, 0x99, 0xa2,
+ 0xf2, 0x5d, 0x12, 0x0f, 0x2b, 0x42, 0x1b, 0x8b, 0x9a, 0xfe, 0x33, 0x0c, 0xeb, 0x33, 0x5e, 0x52,
+ 0xee, 0x99, 0xa1, 0x07, 0x06, 0xed, 0xf8, 0x48, 0x7a, 0xc6, 0xe5, 0xf5, 0x5e, 0x01, 0x3a, 0x41,
+ 0x2f, 0x18, 0x94, 0x8a, 0x3b, 0x0a, 0x52, 0x3f, 0xbf, 0x61, 0xa9, 0xc5, 0x4f, 0x70, 0xee, 0xb8,
+ 0x79, 0x23, 0xbb, 0x1a, 0x44, 0x7d, 0x91, 0xe6, 0x2a, 0xbc, 0xa1, 0x07, 0xbc, 0x65, 0x3b, 0x02,
+ 0xd9, 0x1d, 0xb2, 0xf2, 0x3a, 0xcb, 0x75, 0x79, 0xc6, 0x66, 0xd8, 0xc1, 0x71, 0x29, 0xdf, 0x04,
+ 0x60, 0xf4, 0xbf, 0x07, 0x7b, 0xb9, 0xc2, 0x11, 0x94, 0x6a, 0x28, 0xc2, 0xdd, 0xd8, 0x7b, 0x44,
+ 0x8f, 0x08, 0xe3, 0xc8, 0xd8, 0xf4, 0x81, 0xb0, 0x9f, 0x94, 0xcb, 0xc8, 0xc1, 0x3c, 0xc2, 0x6e,
+ 0x31, 0x26, 0xfc, 0x33, 0x16, 0x3b, 0xe0, 0xde, 0xa1, 0x16, 0x21, 0x9f, 0x89, 0xdd, 0x97, 0xa4,
+ 0x41, 0xf2, 0x9f, 0x19, 0xb1, 0xae, 0x82, 0xf7, 0x85, 0x9a, 0xb7, 0x8f, 0xb7, 0x52, 0x7a, 0x72,
+ 0xf1, 0x5e, 0x89, 0xe1, 0x8a, 0xcd, 0x40, 0xb5, 0x8e, 0xc3, 0xca, 0x42, 0x76, 0xa3, 0x6e, 0x1b,
+ 0xf4, 0x87, 0x35, 0x30, 0x58, 0x43, 0x04, 0xd9, 0x2c, 0x50, 0x54, 0x55, 0x47, 0x6f, 0x70, 0x9b,
+ 0x42, 0x1f, 0x91, 0xfc, 0xa1, 0xdb, 0x72, 0x53, 0x96, 0xc8, 0xe5, 0xcd, 0x0e, 0xcb, 0xa0, 0xfe,
+ 0x6b, 0x08, 0x77, 0x48, 0xb7, 0xad, 0x4a, 0x69, 0x7c, 0xdc, 0xd8, 0x04, 0x28, 0x35, 0x9b, 0x73,
+ 0x00, 0x00, 0x43, 0x49, 0x7f, 0xd7, 0xf8, 0x26, 0x95, 0x71, 0x08, 0xf4, 0xa3, 0x0f, 0xd9, 0xce,
+ 0xc3, 0xae, 0xba, 0x79, 0x97, 0x20, 0x84, 0xe9, 0x0e, 0xad, 0x01, 0xea, 0x33, 0x09, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x5b, 0xe5, 0xe9, 0x47, 0x82,
+ 0x09, 0x67, 0x4a, 0x96, 0xe6, 0x0f, 0x1f, 0x03, 0x7f, 0x61, 0x76, 0x54, 0x0f, 0xd0, 0x01, 0xfa,
+ 0x1d, 0x64, 0x69, 0x47, 0x70, 0xc5, 0x6a, 0x77, 0x09, 0xc4, 0x2c, 0x03, 0x5c, 0x4e, 0x0d, 0xec,
+ 0x72, 0x15, 0xe2, 0x68, 0x33, 0x93, 0x87, 0x30, 0xe5, 0xe5, 0x05, 0xaa, 0x62, 0x50, 0x4d, 0xa8,
+ 0x5b, 0xa5, 0x71, 0x06, 0xa4, 0x6b, 0x5a, 0x24, 0x04, 0xfc, 0x9d, 0x8e, 0x02, 0xba, 0x72, 0xa6,
+ 0xe8, 0xba, 0x53, 0xe8, 0xb9, 0x71, 0xad, 0x0c, 0x98, 0x23, 0x96, 0x8a, 0xef, 0x4d, 0x78, 0xce,
+ 0x8a, 0xf2, 0x55, 0xab, 0x43, 0xdf, 0xf8, 0x30, 0x03, 0xc9, 0x02, 0xfb, 0x8d, 0x02, 0x16, 0x34,
+ 0x5b, 0xf8, 0x31, 0x16, 0x4a, 0x03, 0x75, 0x8e, 0xae, 0xa5, 0xe8, 0xb6, 0x6f, 0xee, 0x2b, 0xe7,
+ 0x71, 0x0b, 0x8f, 0x19, 0x0e, 0xe8, 0x80, 0x24, 0x90, 0x32, 0xa2, 0x9e, 0xd6, 0x6e
+};
+
+// 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.
+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,
+ 0x00, 0x00, 0x00, 0x00, 0xa2, 0x47, 0xd2, 0xf8, 0xd4, 0xe0, 0x6a, 0x3f, 0xf9, 0x7a, 0x9a, 0x34,
+ 0xbb, 0xa9, 0x96, 0xde, 0x63, 0x84, 0x5a, 0xce, 0xcf, 0x98, 0xb8, 0xbb, 0x75, 0x4c, 0x4f, 0x7d,
+ 0xee, 0x4c, 0xa9, 0x5f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 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, 0x20, 0x12, 0x70,
+ 0x44, 0x41, 0x40, 0xaf, 0xc5, 0x72, 0x97, 0xc8, 0x69, 0xba, 0x04, 0xdb, 0x28, 0x7b, 0xd7, 0x32,
+ 0x07, 0x33, 0x3a, 0x4a, 0xc2, 0xc5, 0x56, 0x06, 0x05, 0x65, 0xd7, 0xa8, 0xcf, 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_tx = channel_open_block + 81;
+const uint8_t channel_open_txid[] = {
+ 0x5f, 0xa9, 0x4c, 0xee, 0x7d, 0x4f, 0x4c, 0x75, 0xbb, 0xb8, 0x98, 0xcf, 0xce, 0x5a, 0x84, 0x63,
+ 0xde, 0x96, 0xa9, 0xbb, 0x34, 0x9a, 0x7a, 0xf9, 0x3f, 0x6a, 0xe0, 0xd4, 0xf8, 0xd2, 0x47, 0xa2
+};
+
+// Two blocks built on top of channel_open_block:
+const uint8_t block_1[] = {
+ 0x01, 0x00, 0x00, 0x00, 0x65, 0x8e, 0xf1, 0x90, 0x88, 0xfa, 0x13, 0x9c, 0x6a, 0xea, 0xf7, 0xc1,
+ 0x5a, 0xdd, 0x52, 0x4d, 0x3c, 0x48, 0x03, 0xb3, 0x9b, 0x25, 0x4f, 0x02, 0x79, 0x05, 0x90, 0xe0,
+ 0xc4, 0x8d, 0xa0, 0x62, 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, 0x00, 0x00, 0x00,
+ 0x00
+};
+const uint8_t block_2[] = {
+ 0x01, 0x00, 0x00, 0x00, 0xf2, 0x08, 0x87, 0x51, 0xcb, 0xb1, 0x1a, 0x51, 0x76, 0x01, 0x6c, 0x5d,
+ 0x76, 0x26, 0x54, 0x6f, 0xd9, 0xbd, 0xa6, 0xa5, 0xe9, 0x4b, 0x21, 0x6e, 0xda, 0xa3, 0x64, 0x23,
+ 0xcd, 0xf1, 0xe2, 0xe2, 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, 0x00, 0x00, 0x00,
+ 0x00
+};
+
+const LDKThirtyTwoBytes payment_preimage_1 = {
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1 }
+};
+const LDKThirtyTwoBytes payment_hash_1 = {
+ .data = {
+ 0xdc, 0xb1, 0xac, 0x4a, 0x5d, 0xe3, 0x70, 0xca, 0xd0, 0x91, 0xc1, 0x3f, 0x13, 0xae, 0xe2, 0xf9,
+ 0x36, 0xc2, 0x78, 0xfa, 0x05, 0xd2, 0x64, 0x65, 0x3c, 0x0c, 0x13, 0x21, 0x85, 0x2a, 0x35, 0xe8
+ }
+};
+
+void print_log(const void *this_arg, const char *record) {
+ printf("%p - %s\n", this_arg, record);
+}
+
+uint32_t get_fee(const void *this_arg, LDKConfirmationTarget target) {
+ if (target == LDKConfirmationTarget_Background) {
+ return 253;
+ } else {
+ return 507;
+ }
+ // Note that we don't call _free() on target, but that's OK, its unitary
+}
+
+static int num_txs_broadcasted = 0; // Technically a race, but ints are atomic on x86
+void broadcast_tx(const void *this_arg, LDKTransaction tx) {
+ num_txs_broadcasted += 1;
+ //TODO
+}
+
+struct NodeMonitors {
+ std::mutex mut;
+ std::vector<std::pair<LDK::OutPoint, LDK::ChannelMonitor>> mons;
+ LDKChainWatchInterfaceUtil* watch_util;
+ LDKLogger* logger;
+};
+void NodeMonitors_free(void *this_arg) {
+ NodeMonitors* arg = (NodeMonitors*) this_arg;
+ delete arg;
+}
+
+LDKCResult_NoneChannelMonitorUpdateErrZ add_channel_monitor(const void *this_arg, LDKOutPoint funding_txo_arg, LDKChannelMonitor monitor_arg) {
+ // First bind the args to C++ objects so they auto-free
+ LDK::ChannelMonitor mon(std::move(monitor_arg));
+ LDK::OutPoint funding_txo(std::move(funding_txo_arg));
+
+ NodeMonitors* arg = (NodeMonitors*) this_arg;
+ std::unique_lock<std::mutex> l(arg->mut);
+
+ LDK::ChainWatchInterface watch = ChainWatchInterfaceUtil_as_ChainWatchInterface(arg->watch_util);
+ LDK::C2Tuple_OutPointScriptZ funding_info = ChannelMonitor_get_funding_txo(&mon);
+ LDKThirtyTwoBytes funding_txid;
+ memcpy(funding_txid.data, OutPoint_get_txid(funding_info->a), 32);
+ LDK::C2Tuple_Txidu32Z outpoint(C2Tuple_Txidu32Z_new(funding_txid, OutPoint_get_index(funding_info->a)));
+ watch->install_watch_outpoint(watch->this_arg, outpoint, LDKu8slice {
+ .data = funding_info->b->data,
+ .datalen = funding_info->b->datalen,
+ });
+ watch->install_watch_tx(watch->this_arg, &funding_txid.data, LDKu8slice {
+ .data = funding_info->b->data,
+ .datalen = funding_info->b->datalen,
+ });
+ arg->mons.push_back(std::make_pair(std::move(funding_txo), std::move(mon)));
+ return CResult_NoneChannelMonitorUpdateErrZ_ok();
+}
+static int mons_updated = 0; // Technically a race, but ints are atomic on x86.
+LDKCResult_NoneChannelMonitorUpdateErrZ update_channel_monitor(const void *this_arg, LDKOutPoint funding_txo_arg, LDKChannelMonitorUpdate monitor_arg) {
+ // First bind the args to C++ objects so they auto-free
+ LDK::ChannelMonitorUpdate update(std::move(monitor_arg));
+ LDK::OutPoint funding_txo(std::move(funding_txo_arg));
+
+ NodeMonitors* arg = (NodeMonitors*) this_arg;
+ std::unique_lock<std::mutex> l(arg->mut);
+
+ bool updated = false;
+ for (auto& mon : arg->mons) {
+ if (OutPoint_get_index(&mon.first) == OutPoint_get_index(&funding_txo) &&
+ !memcmp(OutPoint_get_txid(&mon.first), OutPoint_get_txid(&funding_txo), 32)) {
+ updated = true;
+ LDKBroadcasterInterface broadcaster = {
+ .broadcast_transaction = broadcast_tx,
+ };
+ LDK::CResult_NoneMonitorUpdateErrorZ res = ChannelMonitor_update_monitor(&mon.second, update, &broadcaster, arg->logger);
+ assert(res->result_ok);
+ }
+ }
+ assert(updated);
+
+ mons_updated += 1;
+ return CResult_NoneChannelMonitorUpdateErrZ_ok();
+}
+LDKCVec_MonitorEventZ 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 {
+ .data = NULL,
+ .datalen = 0,
+ };
+ } else {
+ // 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);
+ }
+}
+
+uintptr_t sock_send_data(void *this_arg, LDKu8slice data, bool resume_read) {
+ return write((int)((long)this_arg), data.data, data.datalen);
+}
+void sock_disconnect_socket(void *this_arg) {
+ close((int)((long)this_arg));
+}
+bool sock_eq(const void *this_arg, const void *other_arg) {
+ return this_arg == other_arg;
+}
+uint64_t sock_hash(const void *this_arg) {
+ return (uint64_t)this_arg;
+}
+void sock_read_data_thread(int rdfd, LDKSocketDescriptor *peer_descriptor, LDKPeerManager *pm) {
+ unsigned char buf[1024];
+ LDKu8slice data;
+ data.data = buf;
+ ssize_t readlen = 0;
+ while ((readlen = read(rdfd, buf, 1024)) > 0) {
+ data.datalen = readlen;
+ LDK::CResult_boolPeerHandleErrorZ res = PeerManager_read_event(&*pm, peer_descriptor, data);
+ if (!res->result_ok) {
+ peer_descriptor->disconnect_socket(peer_descriptor->this_arg);
+ return;
+ }
+ PeerManager_process_events(pm);
+ }
+ PeerManager_socket_disconnected(&*pm, peer_descriptor);
+}
+
+int main() {
+ uint8_t node_seed[32];
+ memset(&node_seed, 0, 32);
+
+ LDKPublicKey null_pk;
+ memset(&null_pk, 0, sizeof(null_pk));
+
+ LDKNetwork network = LDKNetwork_Testnet;
+
+ // Trait implementations:
+ LDKFeeEstimator fee_est {
+ .this_arg = NULL,
+ .get_est_sat_per_1000_weight = get_fee,
+ .free = NULL,
+ };
+
+ LDKBroadcasterInterface broadcast {
+ .this_arg = NULL,
+ .broadcast_transaction = broadcast_tx,
+ .free = NULL,
+ };
+
+ // Instantiate classes for node 1:
+
+ LDKLogger logger1 {
+ .this_arg = (void*)1,
+ .log = print_log,
+ .free = NULL,
+ };
+
+ LDK::ChainWatchInterfaceUtil chain1 = ChainWatchInterfaceUtil_new(network);
+ LDK::BlockNotifier blocks1 = BlockNotifier_new(ChainWatchInterfaceUtil_as_ChainWatchInterface(&chain1));
+
+ LDKManyChannelMonitor mon1 {
+ .this_arg = new NodeMonitors { .watch_util = &chain1, .logger = &logger1 },
+ .add_monitor = add_channel_monitor,
+ .update_monitor = update_channel_monitor,
+ .get_and_clear_pending_monitor_events = monitors_pending_monitor_events,
+ .free = NodeMonitors_free,
+ };
+
+ LDK::KeysManager keys1 = KeysManager_new(&node_seed, network, 0, 0);
+ LDK::KeysInterface keys_source1 = KeysManager_as_KeysInterface(&keys1);
+ LDKSecretKey node_secret1 = keys_source1->get_node_secret(keys_source1->this_arg);
+
+ LDK::UserConfig config1 = UserConfig_default();
+
+ LDK::ChannelManager cm1 = ChannelManager_new(network, fee_est, mon1, broadcast, logger1, KeysManager_as_KeysInterface(&keys1), config1, 0);
+ BlockNotifier_register_listener(&blocks1, ChannelManager_as_ChainListener(&cm1));
+
+ LDK::CVec_ChannelDetailsZ channels = ChannelManager_list_channels(&cm1);
+ assert(channels->datalen == 0);
+
+ LDK::NetGraphMsgHandler net_graph1 = NetGraphMsgHandler_new(ChainWatchInterfaceUtil_as_ChainWatchInterface(&chain1), logger1);
+
+ LDK::MessageHandler msg_handler1 = MessageHandler_new(ChannelManager_as_ChannelMessageHandler(&cm1), NetGraphMsgHandler_as_RoutingMessageHandler(&net_graph1));
+
+ LDKThirtyTwoBytes random_bytes = keys_source1->get_secure_random_bytes(keys_source1->this_arg);
+ LDK::PeerManager net1 = PeerManager_new(msg_handler1, node_secret1, &random_bytes.data, logger1);
+
+ // Demo getting a channel key and check that its returning real pubkeys:
+ LDK::ChannelKeys chan_keys1 = keys_source1->get_channel_keys(keys_source1->this_arg, false, 42);
+ chan_keys1->set_pubkeys(&chan_keys1); // Make sure pubkeys is defined
+ LDKPublicKey payment_point = ChannelPublicKeys_get_payment_point(&chan_keys1->pubkeys);
+ assert(memcmp(&payment_point, &null_pk, sizeof(null_pk)));
+
+ // Instantiate classes for node 2:
+
+ LDKLogger logger2 {
+ .this_arg = (void*)2,
+ .log = print_log,
+ .free = NULL,
+ };
+
+ LDK::ChainWatchInterfaceUtil chain2 = ChainWatchInterfaceUtil_new(network);
+ LDK::BlockNotifier blocks2 = BlockNotifier_new(ChainWatchInterfaceUtil_as_ChainWatchInterface(&chain2));
+
+ LDKManyChannelMonitor mon2 {
+ .this_arg = new NodeMonitors { .watch_util = &chain2, .logger = &logger2 },
+ .add_monitor = add_channel_monitor,
+ .update_monitor = update_channel_monitor,
+ .get_and_clear_pending_monitor_events = monitors_pending_monitor_events,
+ .free = NodeMonitors_free,
+ };
+
+ memset(&node_seed, 1, 32);
+ LDK::KeysManager keys2 = KeysManager_new(&node_seed, network, 0, 0);
+ LDK::KeysInterface keys_source2 = KeysManager_as_KeysInterface(&keys2);
+ LDKSecretKey node_secret2 = keys_source2->get_node_secret(keys_source2->this_arg);
+
+ LDK::ChannelHandshakeConfig handshake_config2 = ChannelHandshakeConfig_default();
+ ChannelHandshakeConfig_set_minimum_depth(&handshake_config2, 2);
+ LDK::UserConfig config2 = UserConfig_default();
+ UserConfig_set_own_channel_config(&config2, handshake_config2);
+
+ LDK::ChannelManager cm2 = ChannelManager_new(network, fee_est, mon2, broadcast, logger2, KeysManager_as_KeysInterface(&keys2), config2, 0);
+ BlockNotifier_register_listener(&blocks2, ChannelManager_as_ChainListener(&cm2));
+
+ LDK::CVec_ChannelDetailsZ channels2 = ChannelManager_list_channels(&cm2);
+ assert(channels2->datalen == 0);
+
+ LDK::NetGraphMsgHandler net_graph2 = NetGraphMsgHandler_new(ChainWatchInterfaceUtil_as_ChainWatchInterface(&chain2), logger2);
+ LDK::RoutingMessageHandler net_msgs2 = NetGraphMsgHandler_as_RoutingMessageHandler(&net_graph2);
+ LDK::ChannelAnnouncement chan_ann = ChannelAnnouncement_read(LDKu8slice { .data = valid_node_announcement, .datalen = sizeof(valid_node_announcement) });
+ LDK::CResult_boolLightningErrorZ ann_res = net_msgs2->handle_channel_announcement(net_msgs2->this_arg, &chan_ann);
+ assert(ann_res->result_ok);
+
+ LDK::MessageHandler msg_handler2 = MessageHandler_new(ChannelManager_as_ChannelMessageHandler(&cm2), net_msgs2);
+
+ LDKThirtyTwoBytes random_bytes2 = keys_source2->get_secure_random_bytes(keys_source2->this_arg);
+ LDK::PeerManager net2 = PeerManager_new(msg_handler2, node_secret2, &random_bytes2.data, logger2);
+
+ // Open a connection!
+ int pipefds_1_to_2[2];
+ int pipefds_2_to_1[2];
+ assert(!pipe(pipefds_1_to_2));
+ assert(!pipe(pipefds_2_to_1));
+
+ LDKSocketDescriptor sock1 {
+ .this_arg = (void*)(long)pipefds_1_to_2[1],
+ .send_data = sock_send_data,
+ .disconnect_socket = sock_disconnect_socket,
+ .eq = sock_eq,
+ .hash = sock_hash,
+ .clone = NULL,
+ .free = NULL,
+ };
+
+ LDKSocketDescriptor sock2 {
+ .this_arg = (void*)(long)pipefds_2_to_1[1],
+ .send_data = sock_send_data,
+ .disconnect_socket = sock_disconnect_socket,
+ .eq = sock_eq,
+ .hash = sock_hash,
+ .clone = NULL,
+ .free = NULL,
+ };
+
+ std::thread t1(&sock_read_data_thread, pipefds_2_to_1[0], &sock1, &net1);
+ std::thread t2(&sock_read_data_thread, pipefds_1_to_2[0], &sock2, &net2);
+
+ // Note that we have to bind the result to a C++ class to make sure it gets free'd
+ LDK::CResult_CVec_u8ZPeerHandleErrorZ con_res = PeerManager_new_outbound_connection(&net1, ChannelManager_get_our_node_id(&cm2), sock1);
+ assert(con_res->result_ok);
+ LDK::CResult_NonePeerHandleErrorZ con_res2 = PeerManager_new_inbound_connection(&net2, sock2);
+ assert(con_res2->result_ok);
+
+ auto writelen = write(pipefds_1_to_2[1], con_res->contents.result->data, con_res->contents.result->datalen);
+ assert(writelen > 0 && uint64_t(writelen) == con_res->contents.result->datalen);
+
+ while (true) {
+ // Wait for the initial handshakes to complete...
+ LDK::CVec_PublicKeyZ peers_1 = PeerManager_get_peer_node_ids(&net1);
+ LDK::CVec_PublicKeyZ peers_2 = PeerManager_get_peer_node_ids(&net2);
+ if (peers_1->datalen == 1 && peers_2->datalen ==1) { break; }
+ std::this_thread::yield();
+ }
+
+ // Note that we have to bind the result to a C++ class to make sure it gets free'd
+ LDK::CResult_NoneAPIErrorZ res = ChannelManager_create_channel(&cm1, ChannelManager_get_our_node_id(&cm2), 40000, 1000, 42, config1);
+ assert(res->result_ok);
+ PeerManager_process_events(&net1);
+
+ LDK::CVec_ChannelDetailsZ new_channels = ChannelManager_list_channels(&cm1);
+ assert(new_channels->datalen == 1);
+ LDKPublicKey chan_open_pk = ChannelDetails_get_remote_network_id(&new_channels->data[0]);
+ assert(!memcmp(chan_open_pk.compressed_form, ChannelManager_get_our_node_id(&cm2).compressed_form, 33));
+
+ while (true) {
+ LDK::CVec_ChannelDetailsZ new_channels_2 = ChannelManager_list_channels(&cm2);
+ if (new_channels_2->datalen == 1) {
+ // Sample getting our counterparty's init features (which used to be hard to do without a memory leak):
+ const LDK::InitFeatures init_feats = ChannelDetails_get_counterparty_features(&new_channels_2->data[0]);
+ assert(init_feats->inner != NULL);
+ break;
+ }
+ std::this_thread::yield();
+ }
+
+ LDKEventsProvider ev1 = ChannelManager_as_EventsProvider(&cm1);
+ while (true) {
+ LDK::CVec_EventZ events = ev1.get_and_clear_pending_events(ev1.this_arg);
+ if (events->datalen == 1) {
+ assert(events->data[0].tag == LDKEvent_FundingGenerationReady);
+ assert(events->data[0].funding_generation_ready.user_channel_id == 42);
+ assert(events->data[0].funding_generation_ready.channel_value_satoshis == 40000);
+ assert(events->data[0].funding_generation_ready.output_script.datalen == 34);
+ assert(!memcmp(events->data[0].funding_generation_ready.output_script.data, channel_open_tx + 58, 34));
+ LDKThirtyTwoBytes txid;
+ for (int i = 0; i < 32; i++) { txid.data[i] = channel_open_txid[31-i]; }
+ LDK::OutPoint outp = OutPoint_new(txid, 0);
+ ChannelManager_funding_transaction_generated(&cm1, &events->data[0].funding_generation_ready.temporary_channel_id.data, outp);
+ break;
+ }
+ std::this_thread::yield();
+ }
+
+ // We observe when the funding signed messages have been exchanged by
+ // waiting for two monitors to be registered.
+ PeerManager_process_events(&net1);
+ while (true) {
+ LDK::CVec_EventZ events = ev1.get_and_clear_pending_events(ev1.this_arg);
+ if (events->datalen == 1) {
+ assert(events->data[0].tag == LDKEvent_FundingBroadcastSafe);
+ assert(events->data[0].funding_broadcast_safe.user_channel_id == 42);
+ break;
+ }
+ std::this_thread::yield();
+ }
+
+ BlockNotifier_block_connected(&blocks1, LDKu8slice { .data = channel_open_block, .datalen = sizeof(channel_open_block) }, 1);
+ BlockNotifier_block_connected(&blocks2, LDKu8slice { .data = channel_open_block, .datalen = sizeof(channel_open_block) }, 1);
+
+ BlockNotifier_block_connected(&blocks1, LDKu8slice { .data = block_1, .datalen = sizeof(block_1) }, 2);
+ BlockNotifier_block_connected(&blocks2, LDKu8slice { .data = block_1, .datalen = sizeof(block_1) }, 2);
+
+ BlockNotifier_block_connected(&blocks1, LDKu8slice { .data = block_2, .datalen = sizeof(block_2) }, 3);
+ BlockNotifier_block_connected(&blocks2, LDKu8slice { .data = block_2, .datalen = sizeof(block_2) }, 3);
+
+ PeerManager_process_events(&net1);
+ PeerManager_process_events(&net2);
+
+ // Now send funds from 1 to 2!
+ while (true) {
+ LDK::CVec_ChannelDetailsZ outbound_channels = ChannelManager_list_usable_channels(&cm1);
+ if (outbound_channels->datalen == 1) {
+ const LDKChannelDetails *channel = &outbound_channels->data[0];
+ // 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(ChannelDetails_get_remote_network_id(channel).compressed_form,
+ ChannelManager_get_our_node_id(&cm2).compressed_form, 33));
+ assert(ChannelDetails_get_channel_value_satoshis(channel) == 40000);
+ // We opened the channel with 1000 push_msat:
+ assert(ChannelDetails_get_outbound_capacity_msat(channel) == 40000*1000 - 1000);
+ assert(ChannelDetails_get_inbound_capacity_msat(channel) == 1000);
+ assert(ChannelDetails_get_is_live(channel));
+ break;
+ }
+ std::this_thread::yield();
+ }
+
+ LDK::CVec_ChannelDetailsZ outbound_channels = ChannelManager_list_usable_channels(&cm1);
+ LDKThirtyTwoBytes payment_secret;
+ memset(payment_secret.data, 0x42, 32);
+ {
+ LDK::LockedNetworkGraph graph_2_locked = NetGraphMsgHandler_read_locked_graph(&net_graph2);
+ LDK::NetworkGraph graph_2_ref = LockedNetworkGraph_graph(&graph_2_locked);
+ LDK::CResult_RouteLightningErrorZ route = get_route(ChannelManager_get_our_node_id(&cm1), &graph_2_ref, ChannelManager_get_our_node_id(&cm2), &outbound_channels, LDKCVec_RouteHintZ {
+ .data = NULL, .datalen = 0
+ }, 5000, 10, logger1);
+ assert(route->result_ok);
+ LDK::CResult_NonePaymentSendFailureZ send_res = ChannelManager_send_payment(&cm1, route->contents.result, payment_hash_1, payment_secret);
+ assert(send_res->result_ok);
+ }
+
+ mons_updated = 0;
+ PeerManager_process_events(&net1);
+ while (mons_updated != 4) {
+ std::this_thread::yield();
+ }
+
+ // Check that we received the payment!
+ LDKEventsProvider ev2 = ChannelManager_as_EventsProvider(&cm2);
+ while (true) {
+ LDK::CVec_EventZ events = ev2.get_and_clear_pending_events(ev2.this_arg);
+ if (events->datalen == 1) {
+ assert(events->data[0].tag == LDKEvent_PendingHTLCsForwardable);
+ break;
+ }
+ std::this_thread::yield();
+ }
+ ChannelManager_process_pending_htlc_forwards(&cm2);
+ PeerManager_process_events(&net2);
+
+ mons_updated = 0;
+ {
+ LDK::CVec_EventZ events = ev2.get_and_clear_pending_events(ev2.this_arg);
+ assert(events->datalen == 1);
+ assert(events->data[0].tag == LDKEvent_PaymentReceived);
+ assert(!memcmp(events->data[0].payment_received.payment_hash.data, payment_hash_1.data, 32));
+ assert(!memcmp(events->data[0].payment_received.payment_secret.data, payment_secret.data, 32));
+ assert(events->data[0].payment_received.amt == 5000);
+ assert(ChannelManager_claim_funds(&cm2, payment_preimage_1, payment_secret, 5000));
+ }
+ PeerManager_process_events(&net2);
+ // Wait until we've passed through a full set of monitor updates (ie new preimage + CS/RAA messages)
+ while (mons_updated != 5) {
+ std::this_thread::yield();
+ }
+ {
+ LDK::CVec_EventZ events = ev1.get_and_clear_pending_events(ev1.this_arg);
+ assert(events->datalen == 1);
+ assert(events->data[0].tag == LDKEvent_PaymentSent);
+ assert(!memcmp(events->data[0].payment_sent.payment_preimage.data, payment_preimage_1.data, 32));
+ }
+
+ // 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);
+ assert(close_res->result_ok);
+ PeerManager_process_events(&net1);
+ num_txs_broadcasted = 0;
+ while (num_txs_broadcasted != 2) {
+ std::this_thread::yield();
+ }
+ LDK::CVec_ChannelDetailsZ chans_after_close1 = ChannelManager_list_channels(&cm1);
+ assert(chans_after_close1->datalen == 0);
+ LDK::CVec_ChannelDetailsZ chans_after_close2 = ChannelManager_list_channels(&cm2);
+ assert(chans_after_close2->datalen == 0);
+
+ close(pipefds_1_to_2[0]);
+ close(pipefds_2_to_1[0]);
+ close(pipefds_1_to_2[1]);
+ close(pipefds_2_to_1[1]);
+ t1.join();
+ t2.join();
+
+ // Few extra random tests:
+ LDKSecretKey sk;
+ memset(&sk, 42, 32);
+ LDKC2Tuple_u64u64Z kdiv_params;
+ kdiv_params.a = (uint64_t*) malloc(8);
+ kdiv_params.b = (uint64_t*) malloc(8);
+ *kdiv_params.a = 42;
+ *kdiv_params.b = 42;
+ LDK::InMemoryChannelKeys keys = InMemoryChannelKeys_new(sk, sk, sk, sk, sk, random_bytes, 42, kdiv_params);
+}
projects / rust-lightning / blobdiff