X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FEvent.java;h=4bd1fad4408225d0cad607fbc413038b376d2680;hb=ba1af51214a8ea2de62b84cd23b6145173c71752;hp=b519a856c60ff092d818774107a56d11604c846c;hpb=8cf3b60169033bf14824aeed1197f11e232cba0a;p=ldk-java diff --git a/src/main/java/org/ldk/structs/Event.java b/src/main/java/org/ldk/structs/Event.java index b519a856..4bd1fad4 100644 --- a/src/main/java/org/ldk/structs/Event.java +++ b/src/main/java/org/ldk/structs/Event.java @@ -4,6 +4,7 @@ import org.ldk.impl.bindings; import org.ldk.enums.*; import org.ldk.util.*; import java.util.Arrays; +import javax.annotation.Nullable; /** @@ -45,9 +46,22 @@ public class Event extends CommonBase { } public final static class FundingGenerationReady extends Event { + /** + * The random channel_id we picked which you'll need to pass into + * ChannelManager::funding_transaction_generated. + */ public final byte[] temporary_channel_id; + /** + * The value, in satoshis, that the output should have. + */ public final long channel_value_satoshis; + /** + * The script which should be used in the transaction output. + */ public final byte[] output_script; + /** + * The value passed in to ChannelManager::create_channel + */ public final long user_channel_id; private FundingGenerationReady(long ptr, bindings.LDKEvent.FundingGenerationReady obj) { super(null, ptr); @@ -58,10 +72,50 @@ public class Event extends CommonBase { } } public final static class PaymentReceived extends Event { + /** + * The hash for which the preimage should be handed to the ChannelManager. + */ public final byte[] payment_hash; - public final byte[] payment_preimage; + /** + * The preimage to the payment_hash, if the payment hash (and secret) were fetched via + * [`ChannelManager::create_inbound_payment`]. If provided, this can be handed directly to + * [`ChannelManager::claim_funds`]. + * + * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment + * [`ChannelManager::claim_funds`]: crate::ln::channelmanager::ChannelManager::claim_funds + * + * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None + */ + @Nullable public final byte[] payment_preimage; + /** + * The \"payment secret\". This authenticates the sender to the recipient, preventing a + * number of deanonymization attacks during the routing process. + * It is provided here for your reference, however its accuracy is enforced directly by + * [`ChannelManager`] using the values you previously provided to + * [`ChannelManager::create_inbound_payment`] or + * [`ChannelManager::create_inbound_payment_for_hash`]. + * + * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager + * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment + * [`ChannelManager::create_inbound_payment_for_hash`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash + */ public final byte[] payment_secret; + /** + * The value, in thousandths of a satoshi, that this payment is for. Note that you must + * compare this to the expected value before accepting the payment (as otherwise you are + * providing proof-of-payment for less than the value you expected!). + */ public final long amt; + /** + * This is the `user_payment_id` which was provided to + * [`ChannelManager::create_inbound_payment_for_hash`] or + * [`ChannelManager::create_inbound_payment`]. It has no meaning inside of LDK and is + * simply copied here. It may be used to correlate PaymentReceived events with invoice + * metadata stored elsewhere. + * + * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment + * [`ChannelManager::create_inbound_payment_for_hash`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash + */ public final long user_payment_id; private PaymentReceived(long ptr, bindings.LDKEvent.PaymentReceived obj) { super(null, ptr); @@ -73,6 +127,11 @@ public class Event extends CommonBase { } } public final static class PaymentSent extends Event { + /** + * The preimage to the hash given to ChannelManager::send_payment. + * Note that this serves as a payment receipt, if you wish to have such a thing, you must + * store it somehow! + */ public final byte[] payment_preimage; private PaymentSent(long ptr, bindings.LDKEvent.PaymentSent obj) { super(null, ptr); @@ -80,7 +139,15 @@ public class Event extends CommonBase { } } public final static class PaymentFailed extends Event { + /** + * The hash which was given to ChannelManager::send_payment. + */ public final byte[] payment_hash; + /** + * Indicates the payment was rejected for some reason by the recipient. This implies that + * the payment has failed, not just the route in question. If this is not set, you may + * retry the payment via a different route. + */ public final boolean rejected_by_dest; private PaymentFailed(long ptr, bindings.LDKEvent.PaymentFailed obj) { super(null, ptr); @@ -89,6 +156,12 @@ public class Event extends CommonBase { } } public final static class PendingHTLCsForwardable extends Event { + /** + * The minimum amount of time that should be waited prior to calling + * process_pending_htlc_forwards. To increase the effort required to correlate payments, + * you should wait a random amount of time in roughly the range (now + time_forwardable, + * now + 5*time_forwardable). + */ public final long time_forwardable; private PendingHTLCsForwardable(long ptr, bindings.LDKEvent.PendingHTLCsForwardable obj) { super(null, ptr); @@ -96,6 +169,9 @@ public class Event extends CommonBase { } } public final static class SpendableOutputs extends Event { + /** + * The outputs which you should store as spendable by you. + */ public final SpendableOutputDescriptor[] outputs; private SpendableOutputs(long ptr, bindings.LDKEvent.SpendableOutputs obj) { super(null, ptr); @@ -115,11 +191,79 @@ public class Event extends CommonBase { */ public Event clone() { long ret = bindings.Event_clone(this.ptr); + if (ret < 1024) { return null; } Event ret_hu_conv = Event.constr_from_ptr(ret); ret_hu_conv.ptrs_to.add(this); return ret_hu_conv; } + /** + * Utility method to constructs a new FundingGenerationReady-variant Event + */ + public static Event funding_generation_ready(byte[] temporary_channel_id, long channel_value_satoshis, byte[] output_script, long user_channel_id) { + long ret = bindings.Event_funding_generation_ready(temporary_channel_id, channel_value_satoshis, output_script, user_channel_id); + if (ret < 1024) { return null; } + Event ret_hu_conv = Event.constr_from_ptr(ret); + ret_hu_conv.ptrs_to.add(ret_hu_conv); + return ret_hu_conv; + } + + /** + * Utility method to constructs a new PaymentReceived-variant Event + */ + public static Event payment_received(byte[] payment_hash, byte[] payment_preimage, byte[] payment_secret, long amt, long user_payment_id) { + long ret = bindings.Event_payment_received(payment_hash, payment_preimage, payment_secret, amt, user_payment_id); + if (ret < 1024) { return null; } + Event ret_hu_conv = Event.constr_from_ptr(ret); + ret_hu_conv.ptrs_to.add(ret_hu_conv); + return ret_hu_conv; + } + + /** + * Utility method to constructs a new PaymentSent-variant Event + */ + public static Event payment_sent(byte[] payment_preimage) { + long ret = bindings.Event_payment_sent(payment_preimage); + if (ret < 1024) { return null; } + Event ret_hu_conv = Event.constr_from_ptr(ret); + ret_hu_conv.ptrs_to.add(ret_hu_conv); + return ret_hu_conv; + } + + /** + * Utility method to constructs a new PaymentFailed-variant Event + */ + public static Event payment_failed(byte[] payment_hash, boolean rejected_by_dest) { + long ret = bindings.Event_payment_failed(payment_hash, rejected_by_dest); + if (ret < 1024) { return null; } + Event ret_hu_conv = Event.constr_from_ptr(ret); + ret_hu_conv.ptrs_to.add(ret_hu_conv); + return ret_hu_conv; + } + + /** + * Utility method to constructs a new PendingHTLCsForwardable-variant Event + */ + public static Event pending_htlcs_forwardable(long time_forwardable) { + long ret = bindings.Event_pending_htlcs_forwardable(time_forwardable); + if (ret < 1024) { return null; } + Event ret_hu_conv = Event.constr_from_ptr(ret); + ret_hu_conv.ptrs_to.add(ret_hu_conv); + return ret_hu_conv; + } + + /** + * Utility method to constructs a new SpendableOutputs-variant Event + */ + public static Event spendable_outputs(SpendableOutputDescriptor[] outputs) { + long ret = bindings.Event_spendable_outputs(outputs != null ? Arrays.stream(outputs).mapToLong(outputs_conv_27 -> outputs_conv_27.ptr).toArray() : null); + if (ret < 1024) { return null; } + Event ret_hu_conv = Event.constr_from_ptr(ret); + ret_hu_conv.ptrs_to.add(ret_hu_conv); + /* TODO 2 SpendableOutputDescriptor */; + return ret_hu_conv; + } + /** * Serialize the Event object into a byte array which can be read by Event_read */