src/apps/wallet/sign_tx: use visual progress

src/apps/wallet/sign_tx/__init__.py

@@ -1,13 +1,12 @@
-from trezor import wire
-
-
-async def sign_tx(ctx, msg):
+from trezor import ui, wire
 from trezor.messages.RequestType import TXFINISHED
 from trezor.messages.wire_types import TxAck
-
 from apps.common import seed
-    from . import signing
-    from . import layout
+
+
+@ui.layout
+async def sign_tx(ctx, msg):
+    from apps.wallet.sign_tx import layout, progress, signing
 
     # TODO: rework this so we don't have to pass root to signing.sign_tx
     root = await seed.derive_node(ctx, [])
@@ -33,10 +32,13 @@ async def sign_tx(ctx, msg):
             res = await ctx.call(req, TxAck)
         elif req.__qualname__ == 'UiConfirmOutput':
             res = await layout.confirm_output(ctx, req.output, req.coin)
+            progress.report_init()
         elif req.__qualname__ == 'UiConfirmTotal':
             res = await layout.confirm_total(ctx, req.spending, req.fee, req.coin)
+            progress.report_init()
         elif req.__qualname__ == 'UiConfirmFeeOverThreshold':
             res = await layout.confirm_feeoverthreshold(ctx, req.fee, req.coin)
+            progress.report_init()
         else:
             raise TypeError('Invalid signing instruction')
     return req

src/apps/wallet/sign_tx/progress.py

@@ -1,3 +1,5 @@
+from trezor import ui
+
 _progress = 0
 _steps = 0
 
@@ -5,12 +7,22 @@ _steps = 0
 def init(inputs, outputs):
     global _progress, _steps
     _progress = 0
-    _steps = inputs + outputs + inputs + outputs + inputs
+    _steps = inputs + inputs + outputs + inputs
+    report_init()
+    report()
 
 
 def advance():
-    global _progress, _steps
+    global _progress
     _progress += 1
+    report()
+
+
+def report_init():
+    ui.display.clear()
+    ui.header('Signing transaction')
+
+
+def report():
     p = int(1000 * _progress / _steps)
-    # TODO: draw progress circle using loader
-    print("%d" % p)
+    ui.display.loader(p, 18, ui.WHITE, ui.BG)

src/apps/wallet/sign_tx/signing.py

@@ -113,7 +113,6 @@ async def check_tx_fee(tx: SignTx, root: bip32.HDNode):
                                'Wrong input script type')
 
     for o in range(tx.outputs_count):
-        progress.advance()
         # STAGE_REQUEST_3_OUTPUT
         txo = await request_tx_output(tx_req, o)
         txo_bin.amount = txo.amount