core: make QR code smaller for Monero

trezor · Jul 1, 2020 · 0f9a245 · 0f9a245
1 parent 14a8da9
commit 0f9a245
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/core/src/apps/common/layout.py b/core/src/apps/common/layout.py
@@ -47,7 +47,8 @@ async def show_qr(
 ) -> bool:
     QR_X = const(120)
     QR_Y = const(115)
-    QR_COEF = const(4)
+    QR_SIZE_THRESHOLD = const(63)
+    QR_COEF = const(4) if len(address) < QR_SIZE_THRESHOLD else const(3)
     qr = Qr(address, QR_X, QR_Y, QR_COEF)
     text = Text(desc, ui.ICON_RECEIVE, ui.GREEN)
     content = Container(qr, text)