X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Futil%2Fconfig.rs;fp=lightning%2Fsrc%2Futil%2Fconfig.rs;h=3868d29aab49f66789c49c970a662cba19000e2e;hb=0beaaa76dee796a367436518a734d7f4f3bd6f4b;hp=0f625098f79f9030ae25ddc1979cc6b5fcba30ae;hpb=dc8479a6202ea84489e51cba020a600f0a2b9695;p=rust-lightning diff --git a/lightning/src/util/config.rs b/lightning/src/util/config.rs index 0f625098..3868d29a 100644 --- a/lightning/src/util/config.rs +++ b/lightning/src/util/config.rs @@ -48,6 +48,30 @@ pub struct ChannelHandshakeConfig { /// Default value: 1. If the value is less than 1, it is ignored and set to 1, as is required /// by the protocol. pub our_htlc_minimum_msat: u64, + /// Sets the percentage of the channel value we will cap the total value of outstanding inbound + /// HTLCs to. + /// + /// This can be set to a value between 1-100, where the value corresponds to the percent of the + /// channel value in whole percentages. + /// + /// Note that: + /// * If configured to another value than the default value 10, any new channels created with + /// the non default value will cause versions of LDK prior to 0.0.104 to refuse to read the + /// `ChannelManager`. + /// + /// * This caps the total value for inbound HTLCs in-flight only, and there's currently + /// no way to configure the cap for the total value of outbound HTLCs in-flight. + /// + /// * The requirements for your node being online to ensure the safety of HTLC-encumbered funds + /// are different from the non-HTLC-encumbered funds. This makes this an important knob to + /// restrict exposure to loss due to being offline for too long. + /// See [`ChannelHandshakeConfig::our_to_self_delay`] and [`ChannelConfig::cltv_expiry_delta`] + /// for more information. + /// + /// Default value: 10. + /// Minimum value: 1, any values less than 1 will be treated as 1 instead. + /// Maximum value: 100, any values larger than 100 will be treated as 100 instead. + pub max_inbound_htlc_value_in_flight_percent_of_channel: u8, /// If set, we attempt to negotiate the `scid_privacy` (referred to as `scid_alias` in the /// BOLTs) option for outbound private channels. This provides better privacy by not including /// our real on-chain channel UTXO in each invoice and requiring that our counterparty only @@ -78,6 +102,7 @@ impl Default for ChannelHandshakeConfig { minimum_depth: 6, our_to_self_delay: BREAKDOWN_TIMEOUT, our_htlc_minimum_msat: 1, + max_inbound_htlc_value_in_flight_percent_of_channel: 10, negotiate_scid_privacy: false, } }