feat: add feature to delete a dlc channel from our storage

Note: this is a dangerous API to call and should only be used if we can't help us otherwise.
Signed-off-by: Philipp Hoenisch <[email protected]>

coordinator/src/admin.rs

@@ -18,6 +18,7 @@ use commons::CollaborativeRevertCoordinatorRequest;
 use commons::LegacyCollaborativeRevertCoordinatorRequest;
 use dlc_manager::channel::Channel;
 use dlc_manager::contract::Contract;
+use dlc_manager::Storage;
 use lightning::chain::chaininterface::ConfirmationTarget;
 use lightning_invoice::Bolt11Invoice;
 use ln_dlc_node::node::NodeInfo;
@@ -557,6 +558,49 @@ pub async fn close_channel(
     Ok(())
 }
 
+#[derive(Debug, Deserialize)]
+pub struct DeleteDlcChannel {
+    #[serde(default, deserialize_with = "empty_string_as_none")]
+    i_know_what_i_am_doing: Option<bool>,
+}
+
+/// This function deletes a DLC channel from our database irreversible!
+/// If you want to close a channel instead, use `close_channel`
+#[instrument(skip_all, err(Debug))]
+pub async fn delete_dlc_channels(
+    Path(channel_id_string): Path<String>,
+    State(state): State<Arc<AppState>>,
+    Query(params): Query<DeleteDlcChannel>,
+) -> Result<(), AppError> {
+    if !params.i_know_what_i_am_doing.unwrap_or_default() {
+        let error_message =
+            "Looks like you don't know what you are doing! Go and ask your supervisor for help!";
+        tracing::warn!(error_message);
+        return Err(AppError::BadRequest(error_message.to_string()));
+    }
+
+    let channel_id = parse_dlc_channel_id(&channel_id_string)
+        .map_err(|_| AppError::BadRequest("Provided channel ID was invalid".to_string()))?;
+
+    tracing::info!(channel_id = %channel_id_string, "Deleting dlc channel");
+
+    state
+        .node
+        .inner
+        .dlc_storage
+        .delete_channel(&channel_id)
+        .map_err(|e| {
+            AppError::InternalServerError(format!(
+                "Could not delete dlc_channel with id {} due to {:?}",
+                channel_id_string, e
+            ))
+        })?;
+
+    tracing::info!(channel_id = %channel_id_string, "Deleted dlc channel");
+
+    Ok(())
+}
+
 #[instrument(skip_all, err(Debug))]
 pub async fn force_close_ln_dlc_channel(
     Path(channel_id_string): Path<String>,

coordinator/src/routes.rs

@@ -1,6 +1,7 @@
 use crate::admin::close_channel;
 use crate::admin::collaborative_revert;
 use crate::admin::connect_to_peer;
+use crate::admin::delete_dlc_channels;
 use crate::admin::force_close_ln_dlc_channel;
 use crate::admin::get_balance;
 use crate::admin::get_fee_rate_estimation;
@@ -164,6 +165,10 @@ pub fn router(
         .route("/api/admin/peers", get(list_peers))
         .route("/api/admin/send_payment/:invoice", post(send_payment))
         .route("/api/admin/dlc_channels", get(list_dlc_channels))
+        .route(
+            "/api/admin/dlc_channels/:channel_id",
+            delete(delete_dlc_channels),
+        )
         .route("/api/admin/transactions", get(list_on_chain_transactions))
         .route("/api/admin/sign/:msg", get(sign_message))
         .route("/api/admin/connect", post(connect_to_peer))