Merge pull request LedgerHQ#21 from obsidiansystems/pending-support

Add pending message support

Author: yhql

Cargo.lock

@@ -8,10 +8,17 @@ edition = "2021"
 nanos_sdk = { git = "https://github.com/LedgerHQ/ledger-nanos-sdk.git" } 
 nanos_ui = { git = "https://github.com/LedgerHQ/ledger-nanos-ui.git" } 
 
+[patch."https://github.com/LedgerHQ/ledger-nanos-sdk.git".nanos_sdk]
+git = "https://github.com/alamgu/ledger-nanos-sdk"
+branch = "flag-for-pending"
+
 [profile.release]
 opt-level = 'z' 
 lto = true
 
+[features]
+pending_review_screen = ["nanos_sdk/pending_review_screen"]
+
 [package.metadata.nanos]
 curve = ["secp256k1"]
 flags = "0"

Cargo.toml

@@ -81,6 +81,26 @@ fn sign_ui(message: &[u8]) -> Result<Option<([u8; 72], u32, u32)>, SyscallError>
     }
 }
 
+#[no_mangle]
+extern "C" fn sample_pending() {
+    let mut comm = io::Comm::new();
+
+    loop {
+        ui::SingleMessage::new("Pending").show();
+        match comm.next_event::<Ins>() {
+            io::Event::Button(ButtonEvent::RightButtonRelease) => break,
+            _ => (),
+        }
+    }
+    loop {
+        ui::SingleMessage::new("Ledger review").show();
+        match comm.next_event::<Ins>() {
+            io::Event::Button(ButtonEvent::BothButtonsRelease) => break,
+            _ => (),
+        }
+    }
+}
+
 #[no_mangle]
 extern "C" fn sample_main() {
     let mut comm = io::Comm::new();