refactor: convert to workspace

lnvps_api/src/lightning/mod.rs

@@ -0,0 +1,63 @@
+use crate::settings::{LightningConfig, Settings};
+use anyhow::Result;
+use futures::Stream;
+use lnvps_db::async_trait;
+use std::pin::Pin;
+use std::sync::Arc;
+
+#[cfg(feature = "bitvora")]
+mod bitvora;
+#[cfg(feature = "lnd")]
+mod lnd;
+
+/// Generic lightning node for creating payments
+#[async_trait]
+pub trait LightningNode: Send + Sync {
+    async fn add_invoice(&self, req: AddInvoiceRequest) -> Result<AddInvoiceResult>;
+    async fn subscribe_invoices(
+        &self,
+        from_payment_hash: Option<Vec<u8>>,
+    ) -> Result<Pin<Box<dyn Stream<Item = InvoiceUpdate> + Send>>>;
+}
+
+#[derive(Debug, Clone)]
+pub struct AddInvoiceRequest {
+    pub amount: u64,
+    pub memo: Option<String>,
+    pub expire: Option<u32>,
+}
+
+#[derive(Debug, Clone)]
+pub struct AddInvoiceResult {
+    pub pr: String,
+    pub payment_hash: String,
+    pub external_id: Option<String>,
+}
+
+#[derive(Debug, Clone)]
+pub enum InvoiceUpdate {
+    /// Internal impl created an update which we don't support or care about
+    Unknown,
+    Error(String),
+    Settled {
+        payment_hash: Option<String>,
+        external_id: Option<String>,
+    },
+}
+
+pub async fn get_node(settings: &Settings) -> Result<Arc<dyn LightningNode>> {
+    match &settings.lightning {
+        #[cfg(feature = "lnd")]
+        LightningConfig::LND {
+            url,
+            cert,
+            macaroon,
+        } => Ok(Arc::new(lnd::LndNode::new(url, cert, macaroon).await?)),
+        #[cfg(feature = "bitvora")]
+        LightningConfig::Bitvora {
+            token,
+            webhook_secret,
+        } => Ok(Arc::new(bitvora::BitvoraNode::new(token, webhook_secret))),
+        _ => anyhow::bail!("Unsupported lightning config!"),
+    }
+}