Refactor bitcoin exchange rate fetching and wallet

2026-05-14 12:26:43 -07:00
parent 3ed021214a
commit 066c91a4d1
8 changed files with 152 additions and 271 deletions
@@ -0,0 +1,55 @@
+use anyhow::{Result, anyhow};
+use nwc::prelude::{
+    LookupInvoiceRequest, MakeInvoiceRequest, NWC, NostrWalletConnectURI, PayInvoiceRequest,
+    TransactionState,
+};
+
+#[derive(Clone)]
+pub struct Wallet {
+    url: NostrWalletConnectURI,
+}
+
+impl Wallet {
+    pub fn from_url(url: &str) -> Result<Self> {
+        let url = url
+            .parse::<NostrWalletConnectURI>()
+            .map_err(|_| anyhow!("invalid NWC URL"))?;
+        Ok(Self { url })
+    }
+
+    pub async fn make_invoice(&self, amount_msats: u64, description: &str) -> Result<String> {
+        let nwc = NWC::new(self.url.clone());
+        let result = nwc
+            .make_invoice(MakeInvoiceRequest {
+                amount: amount_msats,
+                description: Some(description.to_string()),
+                description_hash: None,
+                expiry: None,
+            })
+            .await;
+        nwc.shutdown().await;
+        Ok(result
+            .map_err(|e| anyhow!("failed to create invoice: {e}"))?
+            .invoice)
+    }
+
+    pub async fn pay_invoice(&self, bolt11: String) -> Result<()> {
+        let nwc = NWC::new(self.url.clone());
+        let result = nwc.pay_invoice(PayInvoiceRequest::new(bolt11)).await;
+        nwc.shutdown().await;
+        result.map(|_| ()).map_err(|e| anyhow!("{e}"))
+    }
+
+    pub async fn is_settled(&self, bolt11: &str) -> Result<bool> {
+        let nwc = NWC::new(self.url.clone());
+        let result = nwc
+            .lookup_invoice(LookupInvoiceRequest {
+                payment_hash: None,
+                invoice: Some(bolt11.to_string()),
+            })
+            .await;
+        nwc.shutdown().await;
+        let response = result.map_err(|e| anyhow!("failed to lookup invoice: {e}"))?;
+        Ok(response.state == Some(TransactionState::Settled) || response.settled_at.is_some())
+    }
+}