X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-c-bindings;a=blobdiff_plain;f=lightning-c-bindings%2Fdemo.cpp;h=7c6dfda2e0f1c93ffbe83ba0a7dfbc9c0943ff53;hp=de1e46c4a969ccca29380e23212f2a804f6a1971;hb=a82e075188fc15a103234832686915c196bfe240;hpb=7f9395bb7810b269a0aa5a882cc8b1b647747359 diff --git a/lightning-c-bindings/demo.cpp b/lightning-c-bindings/demo.cpp index de1e46c..7c6dfda 100644 --- a/lightning-c-bindings/demo.cpp +++ b/lightning-c-bindings/demo.cpp @@ -1,11 +1,17 @@ extern "C" { #include + +#ifdef REAL_NET +#include +#endif } #include "include/lightningpp.hpp" #include #include #include +#include +#include #include #include @@ -193,6 +199,68 @@ void handle_event(const void *this_arg, LDKEvent event) { arg->events.push_back(std::move(event)); } +#ifdef REAL_NET +class PeersConnection { + void* node1_handler; + void* node2_handler; + +public: + PeersConnection(LDK::ChannelManager& cm1, LDK::ChannelManager& cm2, LDK::PeerManager& net1, LDK::PeerManager& net2) { + node1_handler = init_socket_handling(&net1); + node2_handler = init_socket_handling(&net2); + + struct sockaddr_in listen_addr; + listen_addr.sin_family = AF_INET; + listen_addr.sin_addr.s_addr = htonl((127 << 8*3) | 1); + listen_addr.sin_port = htons(10042); + assert(!socket_bind(node2_handler, (sockaddr*)&listen_addr, sizeof(listen_addr))); + + assert(!socket_connect(node1_handler, ChannelManager_get_our_node_id(&cm2), (sockaddr*)&listen_addr, sizeof(listen_addr))); + + 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(); + } + + // Connect twice, which should auto-disconnect, and is a good test of our disconnect pipeline + assert(!socket_connect(node1_handler, ChannelManager_get_our_node_id(&cm2), (sockaddr*)&listen_addr, sizeof(listen_addr))); + assert(!socket_connect(node1_handler, ChannelManager_get_our_node_id(&cm2), (sockaddr*)&listen_addr, sizeof(listen_addr))); + + // Then disconnect the "main" connection, while another connection is being made. + PeerManager_disconnect_by_node_id(&net1, ChannelManager_get_our_node_id(&cm2), false); + assert(!socket_connect(node1_handler, ChannelManager_get_our_node_id(&cm2), (sockaddr*)&listen_addr, sizeof(listen_addr))); + + // Wait for all our sockets to disconnect (making sure we disconnect any new connections)... + while (true) { + PeerManager_disconnect_by_node_id(&net1, ChannelManager_get_our_node_id(&cm2), false); + // Wait for the peers to disconnect... + 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 == 0 && peers_2->datalen == 0) { break; } + std::this_thread::yield(); + } + + // Finally make an actual connection and keep it this time + assert(!socket_connect(node1_handler, ChannelManager_get_our_node_id(&cm2), (sockaddr*)&listen_addr, sizeof(listen_addr))); + + 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() { + interrupt_socket_handling(node1_handler); + interrupt_socket_handling(node2_handler); + } +}; + +#else // REAL_NET uintptr_t sock_send_data(void *this_arg, LDKu8slice data, bool resume_read) { return write((int)((long)this_arg), data.data, data.datalen); @@ -240,7 +308,7 @@ public: .disconnect_socket = sock_disconnect_socket, .eq = sock_eq, .hash = sock_hash, - .clone = NULL, + .cloned = NULL, .free = NULL, }; @@ -250,7 +318,7 @@ public: .disconnect_socket = sock_disconnect_socket, .eq = sock_eq, .hash = sock_hash, - .clone = NULL, + .cloned = NULL, .free = NULL, }; @@ -284,6 +352,7 @@ public: t2.join(); } }; +#endif // !REAL_NET int main() { uint8_t channel_open_header[80]; @@ -412,14 +481,16 @@ int main() { 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]); + LDK::ChannelCounterparty new_channels_counterparty = ChannelDetails_get_counterparty(&new_channels->data[0]); + LDKPublicKey chan_open_pk = ChannelCounterparty_get_node_id(&new_channels_counterparty); 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]); + LDK::ChannelCounterparty new_channels_2_counterparty = ChannelDetails_get_counterparty(&new_channels_2->data[0]); + const LDK::InitFeatures init_feats = ChannelCounterparty_get_features(&new_channels_2_counterparty); assert(init_feats->inner != NULL); break; } @@ -486,16 +557,21 @@ int main() { LDK::CVec_ChannelDetailsZ outbound_channels = ChannelManager_list_usable_channels(&cm1); 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(ChannelDetails_get_remote_network_id(channel).compressed_form, - ChannelManager_get_our_node_id(&cm2).compressed_form, 33)); + assert(!memcmp( + ChannelCounterparty_get_node_id(&counterparty).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_outbound_capacity_msat(channel) == + 40000*1000 - 1000 - 1000 * ChannelCounterparty_get_unspendable_punishment_reserve(&counterparty)); + int64_t inbound_capacity = ((int64_t)1000) - ChannelCounterparty_get_unspendable_punishment_reserve(&counterparty); + if (inbound_capacity < 0) inbound_capacity = 0; + assert(ChannelDetails_get_inbound_capacity_msat(channel) == (uint64_t)inbound_capacity); assert(ChannelDetails_get_is_usable(channel)); break; } @@ -524,9 +600,8 @@ int main() { 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), LDKInvoiceFeatures { .inner = NULL, .is_owned = false - }, &outbound_channels, LDKCVec_RouteHintHopZ { - .data = NULL, .datalen = 0 - }, 5000, Invoice_min_final_cltv_expiry(invoice->contents.result), logger1); + }, &outbound_channels, Invoice_route_hints(invoice->contents.result), + 5000, Invoice_min_final_cltv_expiry(invoice->contents.result), logger1); assert(route->result_ok); LDK::CResult_NonePaymentSendFailureZ send_res = ChannelManager_send_payment(&cm1, route->contents.result, payment_hash, Invoice_payment_secret(invoice->contents.result)); assert(send_res->result_ok); @@ -562,9 +637,11 @@ int main() { 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(!memcmp(queue.events[0]->payment_received.payment_secret.data, Invoice_payment_secret(invoice->contents.result).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, + Invoice_payment_secret(invoice->contents.result).data, 32)); assert(queue.events[0]->payment_received.amt == 5000); - memcpy(payment_preimage.data, queue.events[0]->payment_received.payment_preimage.data, 32); + memcpy(payment_preimage.data, queue.events[0]->payment_received.purpose.invoice_payment.payment_preimage.data, 32); assert(ChannelManager_claim_funds(&cm2, payment_preimage)); } PeerManager_process_events(&net2); @@ -641,10 +718,10 @@ int main() { } // Actually close the channel + num_txs_broadcasted = 0; 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(); }