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Expose min_funding_satoshis via Config #844

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Expose min_funding_satoshis via Config #844

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16 changes: 16 additions & 0 deletions src/config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -125,6 +125,7 @@ pub(crate) const LNURL_AUTH_TIMEOUT_SECS: u64 = 15;
/// | `node_alias` | None |
/// | `trusted_peers_0conf` | [] |
/// | `probing_liquidity_limit_multiplier` | 3 |
/// | `min_funding_sats` | None |
/// | `anchor_channels_config` | Some(..) |
/// | `route_parameters` | None |
/// | `tor_config` | None |
Expand Down Expand Up @@ -167,6 +168,17 @@ pub struct Config {
/// Channels with available liquidity less than the required amount times this value won't be
/// used to send pre-flight probes.
pub probing_liquidity_limit_multiplier: u64,
/// The minimum funding amount in satoshis that we require from channel counterparties when
/// they open inbound channels to us.
///
/// Channels with funding below this value will be rejected.
///
/// If unset, the `rust-lightning` default of `1000` sats will be used.
///
/// Please refer to [`ChannelHandshakeLimits::min_funding_satoshis`] for further details.
///
/// [`ChannelHandshakeLimits::min_funding_satoshis`]: lightning::util::config::ChannelHandshakeLimits::min_funding_satoshis
pub min_funding_sats: Option<u64>,
/// Configuration options pertaining to Anchor channels, i.e., channels for which the
/// `option_anchors_zero_fee_htlc_tx` channel type is negotiated.
///
Expand Down Expand Up @@ -210,6 +222,7 @@ impl Default for Config {
announcement_addresses: None,
trusted_peers_0conf: Vec::new(),
probing_liquidity_limit_multiplier: DEFAULT_PROBING_LIQUIDITY_LIMIT_MULTIPLIER,
min_funding_sats: None,
anchor_channels_config: Some(AnchorChannelsConfig::default()),
tor_config: None,
route_parameters: None,
Expand Down Expand Up @@ -339,6 +352,9 @@ pub(crate) fn default_user_config(config: &Config) -> UserConfig {
// will mostly be relevant for inbound channels.
let mut user_config = UserConfig::default();
user_config.channel_handshake_limits.force_announced_channel_preference = false;
if let Some(min_funding_sats) = config.min_funding_sats {
user_config.channel_handshake_limits.min_funding_satoshis = min_funding_sats;
}
user_config.channel_handshake_config.negotiate_anchors_zero_fee_htlc_tx =
config.anchor_channels_config.is_some();
user_config.reject_inbound_splices = false;
Expand Down
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