using org.ldk.impl; using org.ldk.enums; using org.ldk.util; using System; namespace org { namespace ldk { namespace structs { /** * Parameters for configuring [`ProbabilisticScorer`]. * * Used to configure base, liquidity, and amount penalties, the sum of which comprises the channel * penalty (i.e., the amount in msats willing to be paid to avoid routing through the channel). * * The penalty applied to any channel by the [`ProbabilisticScorer`] is the sum of each of the * parameters here. */ public class ProbabilisticScoringParameters : CommonBase { internal ProbabilisticScoringParameters(object _dummy, long ptr) : base(ptr) { } ~ProbabilisticScoringParameters() { if (ptr != 0) { bindings.ProbabilisticScoringParameters_free(ptr); } } /** * A fixed penalty in msats to apply to each channel. * * Default value: 500 msat */ public long get_base_penalty_msat() { long ret = bindings.ProbabilisticScoringParameters_get_base_penalty_msat(this.ptr); GC.KeepAlive(this); return ret; } /** * A fixed penalty in msats to apply to each channel. * * Default value: 500 msat */ public void set_base_penalty_msat(long val) { bindings.ProbabilisticScoringParameters_set_base_penalty_msat(this.ptr, val); GC.KeepAlive(this); GC.KeepAlive(val); } /** * A multiplier used with the payment amount to calculate a fixed penalty applied to each * channel, in excess of the [`base_penalty_msat`]. * * The purpose of the amount penalty is to avoid having fees dominate the channel cost (i.e., * fees plus penalty) for large payments. The penalty is computed as the product of this * multiplier and `2^30`ths of the payment amount. * * ie `base_penalty_amount_multiplier_msat * amount_msat / 2^30` * * Default value: 8,192 msat * * [`base_penalty_msat`]: Self::base_penalty_msat */ public long get_base_penalty_amount_multiplier_msat() { long ret = bindings.ProbabilisticScoringParameters_get_base_penalty_amount_multiplier_msat(this.ptr); GC.KeepAlive(this); return ret; } /** * A multiplier used with the payment amount to calculate a fixed penalty applied to each * channel, in excess of the [`base_penalty_msat`]. * * The purpose of the amount penalty is to avoid having fees dominate the channel cost (i.e., * fees plus penalty) for large payments. The penalty is computed as the product of this * multiplier and `2^30`ths of the payment amount. * * ie `base_penalty_amount_multiplier_msat * amount_msat / 2^30` * * Default value: 8,192 msat * * [`base_penalty_msat`]: Self::base_penalty_msat */ public void set_base_penalty_amount_multiplier_msat(long val) { bindings.ProbabilisticScoringParameters_set_base_penalty_amount_multiplier_msat(this.ptr, val); GC.KeepAlive(this); GC.KeepAlive(val); } /** * A multiplier used in conjunction with the negative `log10` of the channel's success * probability for a payment, as determined by our latest estimates of the channel's * liquidity, to determine the liquidity penalty. * * The penalty is based in part on the knowledge learned from prior successful and unsuccessful * payments. This knowledge is decayed over time based on [`liquidity_offset_half_life`]. The * penalty is effectively limited to `2 * liquidity_penalty_multiplier_msat` (corresponding to * lower bounding the success probability to `0.01`) when the amount falls within the * uncertainty bounds of the channel liquidity balance. Amounts above the upper bound will * result in a `u64::max_value` penalty, however. * * `-log10(success_probability) * liquidity_penalty_multiplier_msat` * * Default value: 30,000 msat * * [`liquidity_offset_half_life`]: Self::liquidity_offset_half_life */ public long get_liquidity_penalty_multiplier_msat() { long ret = bindings.ProbabilisticScoringParameters_get_liquidity_penalty_multiplier_msat(this.ptr); GC.KeepAlive(this); return ret; } /** * A multiplier used in conjunction with the negative `log10` of the channel's success * probability for a payment, as determined by our latest estimates of the channel's * liquidity, to determine the liquidity penalty. * * The penalty is based in part on the knowledge learned from prior successful and unsuccessful * payments. This knowledge is decayed over time based on [`liquidity_offset_half_life`]. The * penalty is effectively limited to `2 * liquidity_penalty_multiplier_msat` (corresponding to * lower bounding the success probability to `0.01`) when the amount falls within the * uncertainty bounds of the channel liquidity balance. Amounts above the upper bound will * result in a `u64::max_value` penalty, however. * * `-log10(success_probability) * liquidity_penalty_multiplier_msat` * * Default value: 30,000 msat * * [`liquidity_offset_half_life`]: Self::liquidity_offset_half_life */ public void set_liquidity_penalty_multiplier_msat(long val) { bindings.ProbabilisticScoringParameters_set_liquidity_penalty_multiplier_msat(this.ptr, val); GC.KeepAlive(this); GC.KeepAlive(val); } /** * Whenever this amount of time elapses since the last update to a channel's liquidity bounds, * the distance from the bounds to \"zero\" is cut in half. In other words, the lower-bound on * the available liquidity is halved and the upper-bound moves half-way to the channel's total * capacity. * * Because halving the liquidity bounds grows the uncertainty on the channel's liquidity, * the penalty for an amount within the new bounds may change. See the [`ProbabilisticScorer`] * struct documentation for more info on the way the liquidity bounds are used. * * For example, if the channel's capacity is 1 million sats, and the current upper and lower * liquidity bounds are 200,000 sats and 600,000 sats, after this amount of time the upper * and lower liquidity bounds will be decayed to 100,000 and 800,000 sats. * * Default value: 6 hours * * # Note * * When built with the `no-std` feature, time will never elapse. Therefore, the channel * liquidity knowledge will never decay except when the bounds cross. */ public long get_liquidity_offset_half_life() { long ret = bindings.ProbabilisticScoringParameters_get_liquidity_offset_half_life(this.ptr); GC.KeepAlive(this); return ret; } /** * Whenever this amount of time elapses since the last update to a channel's liquidity bounds, * the distance from the bounds to \"zero\" is cut in half. In other words, the lower-bound on * the available liquidity is halved and the upper-bound moves half-way to the channel's total * capacity. * * Because halving the liquidity bounds grows the uncertainty on the channel's liquidity, * the penalty for an amount within the new bounds may change. See the [`ProbabilisticScorer`] * struct documentation for more info on the way the liquidity bounds are used. * * For example, if the channel's capacity is 1 million sats, and the current upper and lower * liquidity bounds are 200,000 sats and 600,000 sats, after this amount of time the upper * and lower liquidity bounds will be decayed to 100,000 and 800,000 sats. * * Default value: 6 hours * * # Note * * When built with the `no-std` feature, time will never elapse. Therefore, the channel * liquidity knowledge will never decay except when the bounds cross. */ public void set_liquidity_offset_half_life(long val) { bindings.ProbabilisticScoringParameters_set_liquidity_offset_half_life(this.ptr, val); GC.KeepAlive(this); GC.KeepAlive(val); } /** * A multiplier used in conjunction with a payment amount and the negative `log10` of the * channel's success probability for the payment, as determined by our latest estimates of the * channel's liquidity, to determine the amount penalty. * * The purpose of the amount penalty is to avoid having fees dominate the channel cost (i.e., * fees plus penalty) for large payments. The penalty is computed as the product of this * multiplier and `2^20`ths of the payment amount, weighted by the negative `log10` of the * success probability. * * `-log10(success_probability) * liquidity_penalty_amount_multiplier_msat * amount_msat / 2^20` * * In practice, this means for 0.1 success probability (`-log10(0.1) == 1`) each `2^20`th of * the amount will result in a penalty of the multiplier. And, as the success probability * decreases, the negative `log10` weighting will increase dramatically. For higher success * probabilities, the multiplier will have a decreasing effect as the negative `log10` will * fall below `1`. * * Default value: 192 msat */ public long get_liquidity_penalty_amount_multiplier_msat() { long ret = bindings.ProbabilisticScoringParameters_get_liquidity_penalty_amount_multiplier_msat(this.ptr); GC.KeepAlive(this); return ret; } /** * A multiplier used in conjunction with a payment amount and the negative `log10` of the * channel's success probability for the payment, as determined by our latest estimates of the * channel's liquidity, to determine the amount penalty. * * The purpose of the amount penalty is to avoid having fees dominate the channel cost (i.e., * fees plus penalty) for large payments. The penalty is computed as the product of this * multiplier and `2^20`ths of the payment amount, weighted by the negative `log10` of the * success probability. * * `-log10(success_probability) * liquidity_penalty_amount_multiplier_msat * amount_msat / 2^20` * * In practice, this means for 0.1 success probability (`-log10(0.1) == 1`) each `2^20`th of * the amount will result in a penalty of the multiplier. And, as the success probability * decreases, the negative `log10` weighting will increase dramatically. For higher success * probabilities, the multiplier will have a decreasing effect as the negative `log10` will * fall below `1`. * * Default value: 192 msat */ public void set_liquidity_penalty_amount_multiplier_msat(long val) { bindings.ProbabilisticScoringParameters_set_liquidity_penalty_amount_multiplier_msat(this.ptr, val); GC.KeepAlive(this); GC.KeepAlive(val); } /** * A multiplier used in conjunction with the negative `log10` of the channel's success * probability for the payment, as determined based on the history of our estimates of the * channel's available liquidity, to determine a penalty. * * This penalty is similar to [`liquidity_penalty_multiplier_msat`], however, instead of using * only our latest estimate for the current liquidity available in the channel, it estimates * success probability based on the estimated liquidity available in the channel through * history. Specifically, every time we update our liquidity bounds on a given channel, we * track which of several buckets those bounds fall into, exponentially decaying the * probability of each bucket as new samples are added. * * Default value: 10,000 msat * * [`liquidity_penalty_multiplier_msat`]: Self::liquidity_penalty_multiplier_msat */ public long get_historical_liquidity_penalty_multiplier_msat() { long ret = bindings.ProbabilisticScoringParameters_get_historical_liquidity_penalty_multiplier_msat(this.ptr); GC.KeepAlive(this); return ret; } /** * A multiplier used in conjunction with the negative `log10` of the channel's success * probability for the payment, as determined based on the history of our estimates of the * channel's available liquidity, to determine a penalty. * * This penalty is similar to [`liquidity_penalty_multiplier_msat`], however, instead of using * only our latest estimate for the current liquidity available in the channel, it estimates * success probability based on the estimated liquidity available in the channel through * history. Specifically, every time we update our liquidity bounds on a given channel, we * track which of several buckets those bounds fall into, exponentially decaying the * probability of each bucket as new samples are added. * * Default value: 10,000 msat * * [`liquidity_penalty_multiplier_msat`]: Self::liquidity_penalty_multiplier_msat */ public void set_historical_liquidity_penalty_multiplier_msat(long val) { bindings.ProbabilisticScoringParameters_set_historical_liquidity_penalty_multiplier_msat(this.ptr, val); GC.KeepAlive(this); GC.KeepAlive(val); } /** * A multiplier used in conjunction with the payment amount and the negative `log10` of the * channel's success probability for the payment, as determined based on the history of our * estimates of the channel's available liquidity, to determine a penalty. * * The purpose of the amount penalty is to avoid having fees dominate the channel cost for * large payments. The penalty is computed as the product of this multiplier and the `2^20`ths * of the payment amount, weighted by the negative `log10` of the success probability. * * This penalty is similar to [`liquidity_penalty_amount_multiplier_msat`], however, instead * of using only our latest estimate for the current liquidity available in the channel, it * estimates success probability based on the estimated liquidity available in the channel * through history. Specifically, every time we update our liquidity bounds on a given * channel, we track which of several buckets those bounds fall into, exponentially decaying * the probability of each bucket as new samples are added. * * Default value: 64 msat * * [`liquidity_penalty_amount_multiplier_msat`]: Self::liquidity_penalty_amount_multiplier_msat */ public long get_historical_liquidity_penalty_amount_multiplier_msat() { long ret = bindings.ProbabilisticScoringParameters_get_historical_liquidity_penalty_amount_multiplier_msat(this.ptr); GC.KeepAlive(this); return ret; } /** * A multiplier used in conjunction with the payment amount and the negative `log10` of the * channel's success probability for the payment, as determined based on the history of our * estimates of the channel's available liquidity, to determine a penalty. * * The purpose of the amount penalty is to avoid having fees dominate the channel cost for * large payments. The penalty is computed as the product of this multiplier and the `2^20`ths * of the payment amount, weighted by the negative `log10` of the success probability. * * This penalty is similar to [`liquidity_penalty_amount_multiplier_msat`], however, instead * of using only our latest estimate for the current liquidity available in the channel, it * estimates success probability based on the estimated liquidity available in the channel * through history. Specifically, every time we update our liquidity bounds on a given * channel, we track which of several buckets those bounds fall into, exponentially decaying * the probability of each bucket as new samples are added. * * Default value: 64 msat * * [`liquidity_penalty_amount_multiplier_msat`]: Self::liquidity_penalty_amount_multiplier_msat */ public void set_historical_liquidity_penalty_amount_multiplier_msat(long val) { bindings.ProbabilisticScoringParameters_set_historical_liquidity_penalty_amount_multiplier_msat(this.ptr, val); GC.KeepAlive(this); GC.KeepAlive(val); } /** * If we aren't learning any new datapoints for a channel, the historical liquidity bounds * tracking can simply live on with increasingly stale data. Instead, when a channel has not * seen a liquidity estimate update for this amount of time, the historical datapoints are * decayed by half. * * Note that after 16 or more half lives all historical data will be completely gone. * * Default value: 14 days */ public long get_historical_no_updates_half_life() { long ret = bindings.ProbabilisticScoringParameters_get_historical_no_updates_half_life(this.ptr); GC.KeepAlive(this); return ret; } /** * If we aren't learning any new datapoints for a channel, the historical liquidity bounds * tracking can simply live on with increasingly stale data. Instead, when a channel has not * seen a liquidity estimate update for this amount of time, the historical datapoints are * decayed by half. * * Note that after 16 or more half lives all historical data will be completely gone. * * Default value: 14 days */ public void set_historical_no_updates_half_life(long val) { bindings.ProbabilisticScoringParameters_set_historical_no_updates_half_life(this.ptr, val); GC.KeepAlive(this); GC.KeepAlive(val); } /** * This penalty is applied when `htlc_maximum_msat` is equal to or larger than half of the * channel's capacity, which makes us prefer nodes with a smaller `htlc_maximum_msat`. We * treat such nodes preferentially as this makes balance discovery attacks harder to execute, * thereby creating an incentive to restrict `htlc_maximum_msat` and improve privacy. * * Default value: 250 msat */ public long get_anti_probing_penalty_msat() { long ret = bindings.ProbabilisticScoringParameters_get_anti_probing_penalty_msat(this.ptr); GC.KeepAlive(this); return ret; } /** * This penalty is applied when `htlc_maximum_msat` is equal to or larger than half of the * channel's capacity, which makes us prefer nodes with a smaller `htlc_maximum_msat`. We * treat such nodes preferentially as this makes balance discovery attacks harder to execute, * thereby creating an incentive to restrict `htlc_maximum_msat` and improve privacy. * * Default value: 250 msat */ public void set_anti_probing_penalty_msat(long val) { bindings.ProbabilisticScoringParameters_set_anti_probing_penalty_msat(this.ptr, val); GC.KeepAlive(this); GC.KeepAlive(val); } /** * This penalty is applied when the amount we're attempting to send over a channel exceeds our * current estimate of the channel's available liquidity. * * Note that in this case all other penalties, including the * [`liquidity_penalty_multiplier_msat`] and [`liquidity_penalty_amount_multiplier_msat`]-based * penalties, as well as the [`base_penalty_msat`] and the [`anti_probing_penalty_msat`], if * applicable, are still included in the overall penalty. * * If you wish to avoid creating paths with such channels entirely, setting this to a value of * `u64::max_value()` will guarantee that. * * Default value: 1_0000_0000_000 msat (1 Bitcoin) * * [`liquidity_penalty_multiplier_msat`]: Self::liquidity_penalty_multiplier_msat * [`liquidity_penalty_amount_multiplier_msat`]: Self::liquidity_penalty_amount_multiplier_msat * [`base_penalty_msat`]: Self::base_penalty_msat * [`anti_probing_penalty_msat`]: Self::anti_probing_penalty_msat */ public long get_considered_impossible_penalty_msat() { long ret = bindings.ProbabilisticScoringParameters_get_considered_impossible_penalty_msat(this.ptr); GC.KeepAlive(this); return ret; } /** * This penalty is applied when the amount we're attempting to send over a channel exceeds our * current estimate of the channel's available liquidity. * * Note that in this case all other penalties, including the * [`liquidity_penalty_multiplier_msat`] and [`liquidity_penalty_amount_multiplier_msat`]-based * penalties, as well as the [`base_penalty_msat`] and the [`anti_probing_penalty_msat`], if * applicable, are still included in the overall penalty. * * If you wish to avoid creating paths with such channels entirely, setting this to a value of * `u64::max_value()` will guarantee that. * * Default value: 1_0000_0000_000 msat (1 Bitcoin) * * [`liquidity_penalty_multiplier_msat`]: Self::liquidity_penalty_multiplier_msat * [`liquidity_penalty_amount_multiplier_msat`]: Self::liquidity_penalty_amount_multiplier_msat * [`base_penalty_msat`]: Self::base_penalty_msat * [`anti_probing_penalty_msat`]: Self::anti_probing_penalty_msat */ public void set_considered_impossible_penalty_msat(long val) { bindings.ProbabilisticScoringParameters_set_considered_impossible_penalty_msat(this.ptr, val); GC.KeepAlive(this); GC.KeepAlive(val); } internal long clone_ptr() { long ret = bindings.ProbabilisticScoringParameters_clone_ptr(this.ptr); GC.KeepAlive(this); return ret; } /** * Creates a copy of the ProbabilisticScoringParameters */ public ProbabilisticScoringParameters clone() { long ret = bindings.ProbabilisticScoringParameters_clone(this.ptr); GC.KeepAlive(this); if (ret >= 0 && ret <= 4096) { return null; } org.ldk.structs.ProbabilisticScoringParameters ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ProbabilisticScoringParameters(null, ret); } if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); }; return ret_hu_conv; } /** * Marks all nodes in the given list as banned, i.e., * they will be avoided during path finding. */ public void add_banned_from_list(NodeId[] node_ids) { bindings.ProbabilisticScoringParameters_add_banned_from_list(this.ptr, node_ids != null ? InternalUtils.mapArray(node_ids, node_ids_conv_8 => node_ids_conv_8 == null ? 0 : node_ids_conv_8.ptr) : null); GC.KeepAlive(this); GC.KeepAlive(node_ids); foreach (NodeId node_ids_conv_8 in node_ids) { if (this != null) { this.ptrs_to.AddLast(node_ids_conv_8); }; }; } /** * Creates a "default" ProbabilisticScoringParameters. See struct and individual field documentaiton for details on which values are used. */ public static ProbabilisticScoringParameters with_default() { long ret = bindings.ProbabilisticScoringParameters_default(); if (ret >= 0 && ret <= 4096) { return null; } org.ldk.structs.ProbabilisticScoringParameters ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ProbabilisticScoringParameters(null, ret); } if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); }; return ret_hu_conv; } } } } }