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Define anchor channel reserve requirements #3487

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Feb 21, 2025
Merged

Define anchor channel reserve requirements #3487

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10 changes: 10 additions & 0 deletions lightning/src/chain/channelmonitor.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ use bitcoin::secp256k1::{self, SecretKey, PublicKey, Secp256k1, ecdsa::Signature

use crate::ln::channel::INITIAL_COMMITMENT_NUMBER;
use crate::ln::types::ChannelId;
use crate::types::features::ChannelTypeFeatures;
use crate::types::payment::{PaymentHash, PaymentPreimage};
use crate::ln::msgs::DecodeError;
use crate::ln::channel_keys::{DelayedPaymentKey, DelayedPaymentBasepoint, HtlcBasepoint, HtlcKey, RevocationKey, RevocationBasepoint};
Expand Down Expand Up @@ -1614,6 +1615,11 @@ impl<Signer: EcdsaChannelSigner> ChannelMonitor<Signer> {
self.inner.lock().unwrap().channel_id()
}

/// Gets the channel type of the corresponding channel.
pub fn channel_type_features(&self) -> ChannelTypeFeatures {
self.inner.lock().unwrap().channel_type_features()
}

/// Gets a list of txids, with their output scripts (in the order they appear in the
/// transaction), which we must learn about spends of via block_connected().
pub fn get_outputs_to_watch(&self) -> Vec<(Txid, Vec<(u32, ScriptBuf)>)> {
Expand Down Expand Up @@ -4809,6 +4815,10 @@ impl<Signer: EcdsaChannelSigner> ChannelMonitorImpl<Signer> {
self.onchain_events_awaiting_threshold_conf.push(entry);
}
}

fn channel_type_features(&self) -> ChannelTypeFeatures {
self.onchain_tx_handler.channel_type_features().clone()
}
}

impl<Signer: EcdsaChannelSigner, T: Deref, F: Deref, L: Deref> chain::Listen for (ChannelMonitor<Signer>, T, F, L)
Expand Down
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