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Add 'accept_inbound_channels' config option. #1173

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Merged
merged 1 commit into from
Nov 17, 2021
Merged

Add 'accept_inbound_channels' config option. #1173

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4 changes: 4 additions & 0 deletions lightning/src/ln/channelmanager.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3646,6 +3646,10 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelMana
return Err(MsgHandleErrInternal::send_err_msg_no_close("Unknown genesis block hash".to_owned(), msg.temporary_channel_id.clone()));
}

if !self.default_configuration.accept_inbound_channels {
return Err(MsgHandleErrInternal::send_err_msg_no_close("No inbound channels accepted".to_owned(), msg.temporary_channel_id.clone()));
}

let channel = Channel::new_from_req(&self.fee_estimator, &self.keys_manager, counterparty_node_id.clone(),
&their_features, msg, 0, &self.default_configuration, self.best_block.read().unwrap().height())
.map_err(|e| MsgHandleErrInternal::from_chan_no_close(e, msg.temporary_channel_id))?;
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4 changes: 4 additions & 0 deletions lightning/src/util/config.rs
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Expand Up @@ -302,6 +302,9 @@ pub struct UserConfig {
///
/// Default value: false.
pub accept_forwards_to_priv_channels: bool,
/// If this is set to false, we do not accept inbound requests to open a new channel.
/// Default value: true.
pub accept_inbound_channels: bool,
}

impl Default for UserConfig {
Expand All @@ -311,6 +314,7 @@ impl Default for UserConfig {
peer_channel_config_limits: ChannelHandshakeLimits::default(),
channel_options: ChannelConfig::default(),
accept_forwards_to_priv_channels: false,
accept_inbound_channels: true,
}
}
}