#include <sys/socket.h>
#include <unistd.h>
+#include <atomic>
#include <chrono>
#include <functional>
#include <thread>
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,
+ 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,
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[] = {
- 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
+ 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,
};
// Two blocks built on top of channel_open_block:
}
};
+const LDKThirtyTwoBytes genesis_hash = { // We don't care particularly if this is "right"
+ .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 }
+};
+
void print_log(const void *this_arg, const char *record) {
printf("%p - %s\n", this_arg, record);
}
.free = NULL,
};
-static int num_txs_broadcasted = 0; // Technically a race, but ints are atomic on x86
+static std::atomic_int num_txs_broadcasted(0);
void broadcast_tx(const void *this_arg, LDKTransaction tx) {
num_txs_broadcasted += 1;
//TODO
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.
+static std::atomic_int mons_updated(0);
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));
PeerManager_socket_disconnected(&*pm, peer_descriptor);
}
-int main() {
- uint8_t node_seed[32];
- memset(&node_seed, 0, 32);
+class PeersConnection {
+ int pipefds_1_to_2[2];
+ int pipefds_2_to_1[2];
+ std::thread t1, t2;
+ LDKSocketDescriptor sock1, sock2;
+
+public:
+ PeersConnection(LDK::ChannelManager& cm1, LDK::ChannelManager& cm2, LDK::PeerManager& net1, LDK::PeerManager& net2) {
+ assert(!pipe(pipefds_1_to_2));
+ assert(!pipe(pipefds_2_to_1));
+
+ sock1 = LDKSocketDescriptor {
+ .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,
+ };
+
+ sock2 = LDKSocketDescriptor {
+ .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,
+ };
+
+ t1 = std::thread(&sock_read_data_thread, pipefds_2_to_1[0], &sock1, &net1);
+ t2 = std::thread(&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();
+ }
+ }
+
+ void stop() {
+ 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();
+ }
+};
+
+int main() {
LDKPublicKey null_pk;
memset(&null_pk, 0, sizeof(null_pk));
+ LDKThirtyTwoBytes random_bytes;
+ LDKThirtyTwoBytes chain_tip;
+ memset(&chain_tip, 0, sizeof(chain_tip)); // channel_open_header's prev_blockhash is all-0s
+
LDKNetwork network = LDKNetwork_Testnet;
// Trait implementations:
.free = NULL,
};
- // Instantiate classes for node 1:
-
+ // Instantiate classes for the nodes that don't get reloaded on a ser-des reload
LDKLogger logger1 {
.this_arg = (void*)1,
.log = print_log,
.free = NULL,
};
- 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);
-
- LDK::CVec_ChannelDetailsZ channels = ChannelManager_list_channels(&cm1);
- assert(channels->datalen == 0);
-
- LDK::NetGraphMsgHandler net_graph1 = NetGraphMsgHandler_new(NULL, 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:
+ LDK::NetGraphMsgHandler net_graph1 = NetGraphMsgHandler_new(genesis_hash, NULL, logger1);
+ LDKSecretKey node_secret1;
LDKLogger logger2 {
.this_arg = (void*)2,
.free = NULL,
};
- 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);
-
- LDK::CVec_ChannelDetailsZ channels2 = ChannelManager_list_channels(&cm2);
- assert(channels2->datalen == 0);
-
- LDK::NetGraphMsgHandler net_graph2 = NetGraphMsgHandler_new(NULL, 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);
+ LDK::NetGraphMsgHandler net_graph2 = NetGraphMsgHandler_new(genesis_hash, NULL, logger2);
+ LDKSecretKey node_secret2;
+
+ LDK::CVec_u8Z cm1_ser = LDKCVec_u8Z {}; // ChannelManager 1 serialization at the end of the ser-des scope
+ LDK::CVec_u8Z cm2_ser = LDKCVec_u8Z {}; // ChannelManager 2 serialization at the end of the ser-des scope
+
+ { // Scope for the ser-des reload
+ // Instantiate classes for node 1:
+ uint8_t node_seed[32];
+ memset(&node_seed, 0, 32);
+ LDK::KeysManager keys1 = KeysManager_new(&node_seed, 0, 0);
+ LDK::KeysInterface keys_source1 = KeysManager_as_KeysInterface(&keys1);
+ node_secret1 = keys_source1->get_node_secret(keys_source1->this_arg);
+
+ LDK::ChannelManager cm1 = ChannelManager_new(fee_est, mon1, broadcast, logger1, KeysManager_as_KeysInterface(&keys1), UserConfig_default(), ChainParameters_new(network, chain_tip, 0));
+
+ 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(&net_graph1));
+
+ random_bytes = keys_source1->get_secure_random_bytes(keys_source1->this_arg);
+ LDK::PeerManager net1 = PeerManager_new(std::move(msg_handler1), node_secret1, &random_bytes.data, logger1);
+
+ // 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);
+ chan_signer1->set_pubkeys(&chan_signer1); // Make sure pubkeys is defined
+ LDKPublicKey payment_point = ChannelPublicKeys_get_payment_point(&chan_signer1->pubkeys);
+ assert(memcmp(&payment_point, &null_pk, sizeof(null_pk)));
+
+ // Instantiate classes for node 2:
+ memset(&node_seed, 1, 32);
+ LDK::KeysManager keys2 = KeysManager_new(&node_seed, 0, 0);
+ LDK::KeysInterface keys_source2 = KeysManager_as_KeysInterface(&keys2);
+ 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, std::move(handshake_config2));
+
+ LDK::ChannelManager cm2 = ChannelManager_new(fee_est, mon2, broadcast, logger2, KeysManager_as_KeysInterface(&keys2), std::move(config2), ChainParameters_new(network, chain_tip, 0));
+
+ LDK::CVec_ChannelDetailsZ channels2 = ChannelManager_list_channels(&cm2);
+ assert(channels2->datalen == 0);
+
+ LDK::RoutingMessageHandler net_msgs2 = NetGraphMsgHandler_as_RoutingMessageHandler(&net_graph2);
+ 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);
+ assert(ann_res->result_ok);
+
+ LDK::MessageHandler msg_handler2 = MessageHandler_new(ChannelManager_as_ChannelMessageHandler(&cm2), std::move(net_msgs2));
+
+ random_bytes = keys_source2->get_secure_random_bytes(keys_source2->this_arg);
+ LDK::PeerManager net2 = PeerManager_new(std::move(msg_handler2), node_secret2, &random_bytes.data, logger2);
+
+ // Open a connection!
+ 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_NoneAPIErrorZ res = ChannelManager_create_channel(&cm1, ChannelManager_get_our_node_id(&cm2), 40000, 1000, 42, UserConfig_default());
+ 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();
+ }
- 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();
- }
+ 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, std::move(outp));
+ 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);
+ // 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();
+ }
- 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));
+ LDKCVec_C2Tuple_usizeTransactionZZ txdata { .data = (LDKC2Tuple_usizeTransactionZ*)malloc(sizeof(LDKC2Tuple_usizeTransactionZ)), .datalen = 1 };
+ *txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = (uint8_t*)channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
+ ChannelManager_block_connected(&cm1, &channel_open_header, txdata, 1);
+
+ txdata = LDKCVec_C2Tuple_usizeTransactionZZ { .data = (LDKC2Tuple_usizeTransactionZ*)malloc(sizeof(LDKC2Tuple_usizeTransactionZ)), .datalen = 1 };
+ *txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = (uint8_t*)channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
+ ChannelManager_block_connected(&cm2, &channel_open_header, txdata, 1);
+
+ txdata = LDKCVec_C2Tuple_usizeTransactionZZ { .data = (LDKC2Tuple_usizeTransactionZ*)malloc(sizeof(LDKC2Tuple_usizeTransactionZ)), .datalen = 1 };
+ *txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = (uint8_t*)channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
+ mons1.ConnectBlock(&channel_open_header, 1, txdata, broadcast, fee_est);
+
+ txdata = LDKCVec_C2Tuple_usizeTransactionZZ { .data = (LDKC2Tuple_usizeTransactionZ*)malloc(sizeof(LDKC2Tuple_usizeTransactionZ)), .datalen = 1 };
+ *txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = (uint8_t*)channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
+ mons2.ConnectBlock(&channel_open_header, 1, txdata, broadcast, fee_est);
+
+ ChannelManager_block_connected(&cm1, &header_1, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, 2);
+ ChannelManager_block_connected(&cm2, &header_1, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, 2);
+ mons1.ConnectBlock(&header_1, 2, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, broadcast, fee_est);
+ mons2.ConnectBlock(&header_1, 2, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, broadcast, fee_est);
+
+ ChannelManager_block_connected(&cm1, &header_2, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, 3);
+ ChannelManager_block_connected(&cm2, &header_2, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, 3);
+ mons1.ConnectBlock(&header_2, 3, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, broadcast, fee_est);
+ mons2.ConnectBlock(&header_2, 3, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, broadcast, fee_est);
+
+ 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();
+ }
- 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;
+ 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);
}
- 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;
+ mons_updated = 0;
+ PeerManager_process_events(&net1);
+ while (mons_updated != 4) {
+ std::this_thread::yield();
}
- 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;
+ // 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));
}
- std::this_thread::yield();
- }
- LDKCVec_C2Tuple_usizeTransactionZZ txdata { .data = (LDKC2TupleTempl_usize__Transaction*)malloc(sizeof(LDKC2Tuple_usizeTransactionZ)), .datalen = 1 };
- *txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = (uint8_t*)channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
- ChannelManager_block_connected(&cm1, &channel_open_header, txdata, 1);
+ conn.stop();
- txdata = LDKCVec_C2Tuple_usizeTransactionZZ { .data = (LDKC2TupleTempl_usize__Transaction*)malloc(sizeof(LDKC2Tuple_usizeTransactionZ)), .datalen = 1 };
- *txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = (uint8_t*)channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
- ChannelManager_block_connected(&cm2, &channel_open_header, txdata, 1);
+ cm1_ser = ChannelManager_write(&cm1);
+ cm2_ser = ChannelManager_write(&cm2);
+ }
- txdata = LDKCVec_C2Tuple_usizeTransactionZZ { .data = (LDKC2TupleTempl_usize__Transaction*)malloc(sizeof(LDKC2Tuple_usizeTransactionZ)), .datalen = 1 };
- *txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = (uint8_t*)channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
- mons1.ConnectBlock(&channel_open_header, 1, txdata, broadcast, fee_est);
+ LDK::CVec_ChannelMonitorZ mons_list1 = LDKCVec_ChannelMonitorZ { .data = (LDKChannelMonitor*)malloc(sizeof(LDKChannelMonitor)), .datalen = 1 };
+ assert(mons1.mons.size() == 1);
+ mons_list1->data[0] = *& std::get<1>(mons1.mons[0]); // Note that we need a reference, thus need a raw clone here, which *& does.
+ mons_list1->data[0].is_owned = false; // XXX: God this sucks
+ uint8_t node_seed[32];
+ memset(&node_seed, 0, 32);
+ LDK::KeysManager keys1 = KeysManager_new(&node_seed, 1, 0);
+ LDK::KeysInterface keys_source1 = KeysManager_as_KeysInterface(&keys1);
- txdata = LDKCVec_C2Tuple_usizeTransactionZZ { .data = (LDKC2TupleTempl_usize__Transaction*)malloc(sizeof(LDKC2Tuple_usizeTransactionZ)), .datalen = 1 };
- *txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = (uint8_t*)channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
- mons2.ConnectBlock(&channel_open_header, 1, txdata, broadcast, fee_est);
+ LDK::ChannelManagerReadArgs cm1_args = ChannelManagerReadArgs_new(KeysManager_as_KeysInterface(&keys1), fee_est, mon1, broadcast, logger1, UserConfig_default(), std::move(mons_list1));
+ LDK::CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ cm1_read =
+ C2Tuple_BlockHashChannelManagerZ_read(LDKu8slice { .data = cm1_ser->data, .datalen = cm1_ser -> datalen}, std::move(cm1_args));
+ assert(cm1_read->result_ok);
+ LDK::ChannelManager cm1(std::move(cm1_read->contents.result->b));
- ChannelManager_block_connected(&cm1, &header_1, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, 2);
- ChannelManager_block_connected(&cm2, &header_1, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, 2);
- mons1.ConnectBlock(&header_1, 2, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, broadcast, fee_est);
- mons2.ConnectBlock(&header_1, 2, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, broadcast, fee_est);
+ LDK::CVec_ChannelMonitorZ mons_list2 = LDKCVec_ChannelMonitorZ { .data = (LDKChannelMonitor*)malloc(sizeof(LDKChannelMonitor)), .datalen = 1 };
+ assert(mons2.mons.size() == 1);
+ mons_list2->data[0] = *& std::get<1>(mons2.mons[0]); // Note that we need a reference, thus need a raw clone here, which *& does.
+ mons_list2->data[0].is_owned = false; // XXX: God this sucks
+ memset(&node_seed, 1, 32);
+ LDK::KeysManager keys2 = KeysManager_new(&node_seed, 1, 0);
- ChannelManager_block_connected(&cm1, &header_2, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, 3);
- ChannelManager_block_connected(&cm2, &header_2, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, 3);
- mons1.ConnectBlock(&header_2, 3, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, broadcast, fee_est);
- mons2.ConnectBlock(&header_2, 3, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, broadcast, fee_est);
+ LDK::ChannelManagerReadArgs cm2_args = ChannelManagerReadArgs_new(KeysManager_as_KeysInterface(&keys2), fee_est, mon2, broadcast, logger2, UserConfig_default(), std::move(mons_list2));
+ LDK::CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ cm2_read =
+ C2Tuple_BlockHashChannelManagerZ_read(LDKu8slice { .data = cm2_ser->data, .datalen = cm2_ser -> datalen}, std::move(cm2_args));
+ assert(cm2_read->result_ok);
+ LDK::ChannelManager cm2(std::move(cm2_read->contents.result->b));
- PeerManager_process_events(&net1);
- PeerManager_process_events(&net2);
+ // 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);
+ assert(!close_res->result_ok); // Note that we can't close while disconnected!
- // 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();
- }
+ // Open a connection!
+ LDK::MessageHandler msg_handler1 = MessageHandler_new(ChannelManager_as_ChannelMessageHandler(&cm1), NetGraphMsgHandler_as_RoutingMessageHandler(&net_graph1));
+ random_bytes = keys_source1->get_secure_random_bytes(keys_source1->this_arg);
+ LDK::PeerManager net1 = PeerManager_new(std::move(msg_handler1), node_secret1, &random_bytes.data, logger1);
- 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);
- }
+ LDK::MessageHandler msg_handler2 = MessageHandler_new(ChannelManager_as_ChannelMessageHandler(&cm2), NetGraphMsgHandler_as_RoutingMessageHandler(&net_graph2));
+ random_bytes = keys_source1->get_secure_random_bytes(keys_source1->this_arg);
+ LDK::PeerManager net2 = PeerManager_new(std::move(msg_handler2), node_secret2, &random_bytes.data, logger2);
- mons_updated = 0;
- PeerManager_process_events(&net1);
- while (mons_updated != 4) {
- std::this_thread::yield();
- }
+ PeersConnection conn(cm1, cm2, net1, net2);
- // 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);
+ // Wait for the channels to be considered up once the reestablish messages are processed
+ LDK::CVec_ChannelDetailsZ outbound_channels = ChannelManager_list_usable_channels(&cm1);
+ if (outbound_channels->datalen == 1) {
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);
+ // Actually close the channel
+ close_res = ChannelManager_close_channel(&cm1, &chan_id);
assert(close_res->result_ok);
PeerManager_process_events(&net1);
num_txs_broadcasted = 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();
+ conn.stop();
// Few extra random tests:
LDKSecretKey sk;
memset(&sk, 42, 32);
- LDKC2Tuple_u64u64Z kdiv_params;
- kdiv_params.a = 42;
- kdiv_params.b = 42;
- LDK::InMemoryChannelKeys keys = InMemoryChannelKeys_new(sk, sk, sk, sk, sk, random_bytes, 42, kdiv_params);
+ LDKThirtyTwoBytes kdiv_params;
+ memset(&kdiv_params, 43, 32);
+ LDK::InMemorySigner signer = InMemorySigner_new(sk, sk, sk, sk, sk, random_bytes, 42, kdiv_params);
}
projects / rust-lightning / blobdiff