* any attacker who is able to take control of a channel can just as easily send the funds via
* lightning payments, so we never require that our counterparties support this option.
*
- * The upfront key committed is provided from [`KeysInterface::get_shutdown_scriptpubkey`].
+ * The upfront key committed is provided from [`SignerProvider::get_shutdown_scriptpubkey`].
*
* Default value: true.
*
- * [`KeysInterface::get_shutdown_scriptpubkey`]: crate::chain::keysinterface::KeysInterface::get_shutdown_scriptpubkey
+ * [`SignerProvider::get_shutdown_scriptpubkey`]: crate::sign::SignerProvider::get_shutdown_scriptpubkey
*/
public bool get_commit_upfront_shutdown_pubkey() {
bool ret = bindings.ChannelHandshakeConfig_get_commit_upfront_shutdown_pubkey(this.ptr);
* any attacker who is able to take control of a channel can just as easily send the funds via
* lightning payments, so we never require that our counterparties support this option.
*
- * The upfront key committed is provided from [`KeysInterface::get_shutdown_scriptpubkey`].
+ * The upfront key committed is provided from [`SignerProvider::get_shutdown_scriptpubkey`].
*
* Default value: true.
*
- * [`KeysInterface::get_shutdown_scriptpubkey`]: crate::chain::keysinterface::KeysInterface::get_shutdown_scriptpubkey
+ * [`SignerProvider::get_shutdown_scriptpubkey`]: crate::sign::SignerProvider::get_shutdown_scriptpubkey
*/
public void set_commit_upfront_shutdown_pubkey(bool val) {
bindings.ChannelHandshakeConfig_set_commit_upfront_shutdown_pubkey(this.ptr, val);
GC.KeepAlive(val);
}
+ /**
+ * If set, we attempt to negotiate the `anchors_zero_fee_htlc_tx`option for all future
+ * channels. This feature requires having a reserve of onchain funds readily available to bump
+ * transactions in the event of a channel force close to avoid the possibility of losing funds.
+ *
+ * Note that if you wish accept inbound channels with anchor outputs, you must enable
+ * [`UserConfig::manually_accept_inbound_channels`] and manually accept them with
+ * [`ChannelManager::accept_inbound_channel`]. This is done to give you the chance to check
+ * whether your reserve of onchain funds is enough to cover the fees for all existing and new
+ * channels featuring anchor outputs in the event of a force close.
+ *
+ * If this option is set, channels may be created that will not be readable by LDK versions
+ * prior to 0.0.116, causing [`ChannelManager`]'s read method to return a
+ * [`DecodeError::InvalidValue`].
+ *
+ * Note that setting this to true does *not* prevent us from opening channels with
+ * counterparties that do not support the `anchors_zero_fee_htlc_tx` option; we will simply
+ * fall back to a `static_remote_key` channel.
+ *
+ * LDK will not support the legacy `option_anchors` commitment version due to a discovered
+ * vulnerability after its deployment. For more context, see the [`SIGHASH_SINGLE + update_fee
+ * Considered Harmful`] mailing list post.
+ *
+ * Default value: false. This value is likely to change to true in the future.
+ *
+ * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+ * [`ChannelManager::accept_inbound_channel`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel
+ * [`DecodeError::InvalidValue`]: crate::ln::msgs::DecodeError::InvalidValue
+ * [`SIGHASH_SINGLE + update_fee Considered Harmful`]: https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-September/002796.html
+ */
+ public bool get_negotiate_anchors_zero_fee_htlc_tx() {
+ bool ret = bindings.ChannelHandshakeConfig_get_negotiate_anchors_zero_fee_htlc_tx(this.ptr);
+ GC.KeepAlive(this);
+ return ret;
+ }
+
+ /**
+ * If set, we attempt to negotiate the `anchors_zero_fee_htlc_tx`option for all future
+ * channels. This feature requires having a reserve of onchain funds readily available to bump
+ * transactions in the event of a channel force close to avoid the possibility of losing funds.
+ *
+ * Note that if you wish accept inbound channels with anchor outputs, you must enable
+ * [`UserConfig::manually_accept_inbound_channels`] and manually accept them with
+ * [`ChannelManager::accept_inbound_channel`]. This is done to give you the chance to check
+ * whether your reserve of onchain funds is enough to cover the fees for all existing and new
+ * channels featuring anchor outputs in the event of a force close.
+ *
+ * If this option is set, channels may be created that will not be readable by LDK versions
+ * prior to 0.0.116, causing [`ChannelManager`]'s read method to return a
+ * [`DecodeError::InvalidValue`].
+ *
+ * Note that setting this to true does *not* prevent us from opening channels with
+ * counterparties that do not support the `anchors_zero_fee_htlc_tx` option; we will simply
+ * fall back to a `static_remote_key` channel.
+ *
+ * LDK will not support the legacy `option_anchors` commitment version due to a discovered
+ * vulnerability after its deployment. For more context, see the [`SIGHASH_SINGLE + update_fee
+ * Considered Harmful`] mailing list post.
+ *
+ * Default value: false. This value is likely to change to true in the future.
+ *
+ * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+ * [`ChannelManager::accept_inbound_channel`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel
+ * [`DecodeError::InvalidValue`]: crate::ln::msgs::DecodeError::InvalidValue
+ * [`SIGHASH_SINGLE + update_fee Considered Harmful`]: https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-September/002796.html
+ */
+ public void set_negotiate_anchors_zero_fee_htlc_tx(bool val) {
+ bindings.ChannelHandshakeConfig_set_negotiate_anchors_zero_fee_htlc_tx(this.ptr, val);
+ GC.KeepAlive(this);
+ GC.KeepAlive(val);
+ }
+
+ /**
+ * The maximum number of HTLCs in-flight from our counterparty towards us at the same time.
+ *
+ * Increasing the value can help improve liquidity and stability in
+ * routing at the cost of higher long term disk / DB usage.
+ *
+ * Note: Versions of LDK earlier than v0.0.115 will fail to read channels with a configuration
+ * other than the default value.
+ *
+ * Default value: 50
+ * Maximum value: 483, any values larger will be treated as 483.
+ * This is the BOLT #2 spec limit on `max_accepted_htlcs`.
+ */
+ public short get_our_max_accepted_htlcs() {
+ short ret = bindings.ChannelHandshakeConfig_get_our_max_accepted_htlcs(this.ptr);
+ GC.KeepAlive(this);
+ return ret;
+ }
+
+ /**
+ * The maximum number of HTLCs in-flight from our counterparty towards us at the same time.
+ *
+ * Increasing the value can help improve liquidity and stability in
+ * routing at the cost of higher long term disk / DB usage.
+ *
+ * Note: Versions of LDK earlier than v0.0.115 will fail to read channels with a configuration
+ * other than the default value.
+ *
+ * Default value: 50
+ * Maximum value: 483, any values larger will be treated as 483.
+ * This is the BOLT #2 spec limit on `max_accepted_htlcs`.
+ */
+ public void set_our_max_accepted_htlcs(short val) {
+ bindings.ChannelHandshakeConfig_set_our_max_accepted_htlcs(this.ptr, val);
+ GC.KeepAlive(this);
+ GC.KeepAlive(val);
+ }
+
/**
* Constructs a new ChannelHandshakeConfig given each field
*/
- public static ChannelHandshakeConfig of(int minimum_depth_arg, short our_to_self_delay_arg, long our_htlc_minimum_msat_arg, byte max_inbound_htlc_value_in_flight_percent_of_channel_arg, bool negotiate_scid_privacy_arg, bool announced_channel_arg, bool commit_upfront_shutdown_pubkey_arg, int their_channel_reserve_proportional_millionths_arg) {
- long ret = bindings.ChannelHandshakeConfig_new(minimum_depth_arg, our_to_self_delay_arg, our_htlc_minimum_msat_arg, max_inbound_htlc_value_in_flight_percent_of_channel_arg, negotiate_scid_privacy_arg, announced_channel_arg, commit_upfront_shutdown_pubkey_arg, their_channel_reserve_proportional_millionths_arg);
+ public static ChannelHandshakeConfig of(int minimum_depth_arg, short our_to_self_delay_arg, long our_htlc_minimum_msat_arg, byte max_inbound_htlc_value_in_flight_percent_of_channel_arg, bool negotiate_scid_privacy_arg, bool announced_channel_arg, bool commit_upfront_shutdown_pubkey_arg, int their_channel_reserve_proportional_millionths_arg, bool negotiate_anchors_zero_fee_htlc_tx_arg, short our_max_accepted_htlcs_arg) {
+ long ret = bindings.ChannelHandshakeConfig_new(minimum_depth_arg, our_to_self_delay_arg, our_htlc_minimum_msat_arg, max_inbound_htlc_value_in_flight_percent_of_channel_arg, negotiate_scid_privacy_arg, announced_channel_arg, commit_upfront_shutdown_pubkey_arg, their_channel_reserve_proportional_millionths_arg, negotiate_anchors_zero_fee_htlc_tx_arg, our_max_accepted_htlcs_arg);
GC.KeepAlive(minimum_depth_arg);
GC.KeepAlive(our_to_self_delay_arg);
GC.KeepAlive(our_htlc_minimum_msat_arg);
GC.KeepAlive(announced_channel_arg);
GC.KeepAlive(commit_upfront_shutdown_pubkey_arg);
GC.KeepAlive(their_channel_reserve_proportional_millionths_arg);
+ GC.KeepAlive(negotiate_anchors_zero_fee_htlc_tx_arg);
+ GC.KeepAlive(our_max_accepted_htlcs_arg);
if (ret >= 0 && ret <= 4096) { return null; }
org.ldk.structs.ChannelHandshakeConfig ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelHandshakeConfig(null, ret); }
if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); };
projects / ldk-java / blobdiff