[TS] Add a test that uses `PeerManager` to exchange channel open

diff --git a/ts/test/tests.mts b/ts/test/tests.mts
index 734ab66d3b12baf879a119905b0918c0b42f6e75..7df10c7dd588790854cb30d424ec2ac5fbf0768c 100644 (file)
--- a/ts/test/tests.mts
+++ b/ts/test/tests.mts
@@ -55,7 +55,11 @@ tests.push(async () => {
 });
 
 var seed_counter = 0;
-function get_chanman() {
+class Node {
+       constructor(public chan_man: ldk.ChannelManager, public tx_broadcasted: Promise<Uint8Array>, public logger: ldk.Logger,
+               public node_id: Uint8Array, public node_secret: Uint8Array) {}
+}
+function get_chanman(): Node {
        const fee_est = ldk.FeeEstimator.new_impl({
                get_est_sat_per_1000_weight(confirmation_target: ldk.ConfirmationTarget): number {
                        return 253;
@@ -93,7 +97,11 @@ function get_chanman() {
        const config = ldk.UserConfig.constructor_default();
        const params = ldk.ChainParameters.constructor_new(ldk.Network.LDKNetwork_Testnet, ldk.BestBlock.constructor_from_genesis(ldk.Network.LDKNetwork_Testnet));
 
-       return [ldk.ChannelManager.constructor_new(fee_est, chain_watch, tx_broadcaster, logger, keys_interface, config, params), tx_broadcasted];
+       const chan_man = ldk.ChannelManager.constructor_new(fee_est, chain_watch, tx_broadcaster, logger, keys_interface, config, params);
+       return new Node(
+               chan_man, tx_broadcasted, logger, chan_man.get_our_node_id(),
+               (keys_interface.get_node_secret(ldk.Recipient.LDKRecipient_Node) as ldk.Result_SecretKeyNoneZ_OK).res
+       );
 }
 
 function exchange_messages(a: ldk.ChannelManager, b: ldk.ChannelManager) {
@@ -139,39 +147,41 @@ function assign_u64(arr: Uint8Array, offset: number, value: bigint) {
        arr[offset + 7] = Number((value >> BigInt(8 * 7)) & BigInt(0xff));
 }
 
+function get_event(chan_man: ldk.ChannelManager): ldk.Event {
+       const events: Array<ldk.Event> = [];
+       const event_handler = ldk.EventHandler.new_impl({
+               handle_event(event: ldk.Event): void {
+                       events.push(event);
+               }
+       } as ldk.EventHandlerInterface);
+
+       chan_man.as_EventsProvider().process_pending_events(event_handler);
+       console.assert(events.length == 1);
+       return events[0];
+}
+
 tests.push(async () => {
-       const peer_a = get_chanman();
-       const peer_b = get_chanman();
-       const chan_man_a: ldk.ChannelManager = peer_a[0] as ldk.ChannelManager;
-       const chan_man_b: ldk.ChannelManager = peer_b[0] as ldk.ChannelManager;
+       const a = get_chanman();
+       const b = get_chanman();
 
-       chan_man_a.as_ChannelMessageHandler().peer_connected(chan_man_b.get_our_node_id(), ldk.Init.constructor_new(ldk.InitFeatures.constructor_known(), ldk.Option_NetAddressZ.constructor_none()));
-       chan_man_b.as_ChannelMessageHandler().peer_connected(chan_man_a.get_our_node_id(), ldk.Init.constructor_new(ldk.InitFeatures.constructor_known(), ldk.Option_NetAddressZ.constructor_none()));
+       a.chan_man.as_ChannelMessageHandler().peer_connected(b.chan_man.get_our_node_id(), ldk.Init.constructor_new(ldk.InitFeatures.constructor_known(), ldk.Option_NetAddressZ.constructor_none()));
+       b.chan_man.as_ChannelMessageHandler().peer_connected(a.chan_man.get_our_node_id(), ldk.Init.constructor_new(ldk.InitFeatures.constructor_known(), ldk.Option_NetAddressZ.constructor_none()));
 
-       const chan_create_err = chan_man_a.create_channel(chan_man_b.get_our_node_id(), BigInt(0), BigInt(400), BigInt(0), ldk.UserConfig.constructor_default());
+       const chan_create_err = a.chan_man.create_channel(b.chan_man.get_our_node_id(), BigInt(0), BigInt(400), BigInt(0), ldk.UserConfig.constructor_default());
        if (chan_create_err.is_ok()) return false;
        if (!(chan_create_err instanceof ldk.Result__u832APIErrorZ_Err)) return false;
        if (!(chan_create_err.err instanceof ldk.APIError_APIMisuseError)) return false;
        if (chan_create_err.err.err != "Channel value must be at least 1000 satoshis. It was 0") return false;
 
-       const chan_create_res = chan_man_a.create_channel(chan_man_b.get_our_node_id(), BigInt(1000000), BigInt(400), BigInt(0), ldk.UserConfig.constructor_default());
+       const chan_create_res = a.chan_man.create_channel(b.chan_man.get_our_node_id(), BigInt(1000000), BigInt(400), BigInt(0), ldk.UserConfig.constructor_default());
        if (!chan_create_res.is_ok()) return false;
 
-       if (!exchange_messages(chan_man_a, chan_man_b)) return false;
+       if (!exchange_messages(a.chan_man, b.chan_man)) return false;
 
-       const events: Array<ldk.Event> = [];
-       const event_handler = ldk.EventHandler.new_impl({
-               handle_event(event: ldk.Event): void {
-                       events.push(event);
-               }
-       } as ldk.EventHandlerInterface);
-
-       chan_man_a.as_EventsProvider().process_pending_events(event_handler);
-       if (events.length != 1) return false;
-       if (!(events[0] instanceof ldk.Event_FundingGenerationReady)) return false;
+       const event = get_event(a.chan_man) as ldk.Event_FundingGenerationReady;
 
        // (very) manually create a funding transaction
-       const witness_pos = events[0].output_script.length + 58;
+       const witness_pos = event.output_script.length + 58;
        const funding_tx = new Uint8Array(witness_pos + 7);
        funding_tx[0] = 2; // 4-byte tx version 2
        funding_tx[4] = 0; funding_tx[5] = 1; // segwit magic bytes
@@ -180,23 +190,91 @@ tests.push(async () => {
        funding_tx[43] = 0; // 1-byte input script length 0
        funding_tx[44] = 0xff; funding_tx[45] = 0xff; funding_tx[46] = 0xff; funding_tx[47] = 0xff; // 4-byte nSequence
        funding_tx[48] = 1; // one output
-       assign_u64(funding_tx, 49, events[0].channel_value_satoshis);
-       funding_tx[57] = events[0].output_script.length; // 1-byte output script length
-       funding_tx.set(events[0].output_script, 58);
+       assign_u64(funding_tx, 49, event.channel_value_satoshis);
+       funding_tx[57] = event.output_script.length; // 1-byte output script length
+       funding_tx.set(event.output_script, 58);
        funding_tx[witness_pos] = 1; funding_tx[witness_pos + 1] = 1; funding_tx[witness_pos + 2] = 0xff; // one witness element of size 1 with contents 0xff
        funding_tx[witness_pos + 3] = 0; funding_tx[witness_pos + 4] = 0; funding_tx[witness_pos + 5] = 0; funding_tx[witness_pos + 6] = 0; // lock time 0
 
-       const funding_res = chan_man_a.funding_transaction_generated(events[0].temporary_channel_id, events[0].counterparty_node_id, funding_tx);
+       const funding_res = a.chan_man.funding_transaction_generated(event.temporary_channel_id, event.counterparty_node_id, funding_tx);
        if (!(funding_res instanceof ldk.Result_NoneAPIErrorZ_OK)) return false;
 
-       if (!exchange_messages(chan_man_a, chan_man_b)) return false;
+       if (!exchange_messages(a.chan_man, b.chan_man)) return false;
 
-       const tx_broadcasted: Uint8Array = (await peer_a[1]) as Uint8Array;
+       const tx_broadcasted: Uint8Array = (await a.tx_broadcasted);
        if (!array_eq(tx_broadcasted, funding_tx)) return false;
 
        return true;
 });
 
+tests.push(async () => {
+       const a = get_chanman();
+       const b = get_chanman();
+
+       const ignorer = ldk.IgnoringMessageHandler.constructor_new();
+       const pm_a = ldk.PeerManager.constructor_new(a.chan_man.as_ChannelMessageHandler(), ignorer.as_RoutingMessageHandler(), a.node_secret, a.node_secret, a.logger, ignorer.as_CustomMessageHandler());
+       const pm_b = ldk.PeerManager.constructor_new(b.chan_man.as_ChannelMessageHandler(), ignorer.as_RoutingMessageHandler(), b.node_secret, b.node_secret, b.logger, ignorer.as_CustomMessageHandler());
+
+       var sock_b: ldk.SocketDescriptor;
+       const sock_a = ldk.SocketDescriptor.new_impl({
+               send_data(data: Uint8Array, resume_read: boolean): number {
+                       console.assert(pm_b.read_event(sock_b, data) instanceof ldk.Result_boolPeerHandleErrorZ_OK);
+                       return data.length;
+               },
+               disconnect_socket(): void {
+                       console.assert(false);
+               },
+               eq(other: ldk.SocketDescriptor): boolean {
+                       return other.hash() == this.hash();
+               },
+               hash(): bigint {
+                       return BigInt(1);
+               }
+       } as ldk.SocketDescriptorInterface);
+       sock_b = ldk.SocketDescriptor.new_impl({
+               send_data(data: Uint8Array, resume_read: boolean): number {
+                       console.assert(pm_a.read_event(sock_a, data) instanceof ldk.Result_boolPeerHandleErrorZ_OK);
+                       return data.length;
+               },
+               disconnect_socket(): void {
+                       console.assert(false);
+               },
+               eq(other: ldk.SocketDescriptor): boolean {
+                       return other.hash() == this.hash();
+               },
+               hash(): bigint {
+                       return BigInt(2);
+               }
+       } as ldk.SocketDescriptorInterface);
+
+       const v4_netaddr = ldk.NetAddress.constructor_ipv4(Uint8Array.from([42,0,42,1]), 9735);
+       console.assert(pm_b.new_inbound_connection(sock_b, ldk.Option_NetAddressZ.constructor_some(v4_netaddr)) instanceof ldk.Result_NonePeerHandleErrorZ_OK);
+       const init_bytes = pm_a.new_outbound_connection(b.node_id, sock_a, ldk.Option_NetAddressZ.constructor_none());
+       if (!(init_bytes instanceof ldk.Result_CVec_u8ZPeerHandleErrorZ_OK)) return false;
+       console.assert(pm_b.read_event(sock_b, init_bytes.res) instanceof ldk.Result_boolPeerHandleErrorZ_OK);
+
+       console.assert(pm_a.get_peer_node_ids().length == 0);
+       console.assert(pm_b.get_peer_node_ids().length == 0);
+
+       pm_b.process_events();
+       pm_a.process_events();
+       pm_b.process_events();
+
+       console.assert(pm_a.get_peer_node_ids().length == 1);
+       console.assert(pm_b.get_peer_node_ids().length == 1);
+
+       const chan_create_res = a.chan_man.create_channel(b.node_id, BigInt(1000000), BigInt(400), BigInt(0), ldk.UserConfig.constructor_default());
+       if (!chan_create_res.is_ok()) return false;
+
+       pm_a.process_events();
+       pm_b.process_events();
+
+       const event = get_event(a.chan_man);
+       if (!(event instanceof ldk.Event_FundingGenerationReady)) return false;
+
+       return true;
+});
+
 async function run_tests(check_leaks: boolean) {
        var test_runs = [];
        for (const test of tests) {