feat: add 'nfc' command to ffi bindings

Author: notmandatory

cktap-ffi/src/sats_card.rs

@@ -6,7 +6,7 @@ use crate::error::{
 };
 use crate::{ChainCode, PrivateKey, Psbt, PublicKey, check_cert, read};
 use futures::lock::Mutex;
-use rust_cktap::shared::{Authentication, Wait};
+use rust_cktap::shared::{Authentication, Nfc, Wait};
 use std::sync::Arc;
 
 #[derive(uniffi::Object)]
@@ -127,4 +127,10 @@ impl SatsCard {
             .map(|psbt| Psbt { inner: psbt })?;
         Ok(psbt)
     }
+
+    pub async fn nfc(&self) -> Result<String, CkTapError> {
+        let mut card = self.0.lock().await;
+        let url = card.nfc().await?;
+        Ok(url)
+    }
 }

cktap-ffi/src/sats_chip.rs

@@ -5,7 +5,7 @@ use crate::error::{CertsError, ChangeError, CkTapError, DeriveError, ReadError,
 use crate::tap_signer::{change, derive, init, sign_psbt};
 use crate::{ChainCode, Psbt, PublicKey, check_cert, read};
 use futures::lock::Mutex;
-use rust_cktap::shared::{Authentication, Wait};
+use rust_cktap::shared::{Authentication, Nfc, Wait};
 use std::sync::Arc;
 
 #[derive(uniffi::Object)]
@@ -79,4 +79,10 @@ impl SatsChip {
         change(&mut *card, new_cvc, cvc).await?;
         Ok(())
     }
+
+    pub async fn nfc(&self) -> Result<String, CkTapError> {
+        let mut card = self.0.lock().await;
+        let url = card.nfc().await?;
+        Ok(url)
+    }
 }

cktap-ffi/src/tap_signer.rs

@@ -4,7 +4,7 @@
 use crate::error::{CertsError, ChangeError, CkTapError, DeriveError, ReadError, SignPsbtError};
 use crate::{ChainCode, Psbt, PublicKey, check_cert, read};
 use futures::lock::Mutex;
-use rust_cktap::shared::{Authentication, Wait};
+use rust_cktap::shared::{Authentication, Nfc, Wait};
 use rust_cktap::tap_signer::TapSignerShared;
 use std::sync::Arc;
 
@@ -81,6 +81,12 @@ impl TapSigner {
         change(&mut *card, new_cvc, cvc).await?;
         Ok(())
     }
+
+    pub async fn nfc(&self) -> Result<String, CkTapError> {
+        let mut card = self.0.lock().await;
+        let url = card.nfc().await?;
+        Ok(url)
+    }
 }
 
 pub async fn init(

cktap-swift/Tests/CKTapTests/CKTapTests.swift

@@ -29,4 +29,19 @@ final class CKTapTests: XCTestCase {
       XCTAssertEqual(status.ver, "1.0.3")
     }
   }
+  func testNfcUrl() async throws {
+    let cardEmulator = CardEmulator()
+    let card = try await toCktap(transport: cardEmulator)
+    switch card {
+        case .satsCard(let satsCard):
+          let url: String = try await satsCard.nfc()
+          print("SatsCard url: \(url)")
+        case .tapSigner(let tapSigner):
+          let url: String = try await tapSigner.nfc()
+          print("TapSigner url: \(url)")
+        case .satsChip(let satsChip):
+          let url: String = try await satsChip.nfc()
+          print("SatsChip url: \(url)")
+        }
+  }
 }