refactor(core): convert apps.ethereum to layouts

core/src/apps/ethereum/layout.py

@@ -3,11 +3,7 @@ from ubinascii import hexlify
 from trezor import ui
 from trezor.enums import ButtonRequestType
 from trezor.strings import format_amount
-from trezor.ui.components.tt.text import Text
-from trezor.utils import chunks
-
-from apps.common.confirm import require_confirm, require_hold_to_confirm
-from apps.common.layout import split_address
+from trezor.ui.layouts import confirm_hex, confirm_output, confirm_total_ethereum
 
 from . import networks, tokens
 from .address import address_from_bytes
@@ -18,49 +14,55 @@ async def require_confirm_tx(ctx, to_bytes, value, chain_id, token=None, tx_type
         to_str = address_from_bytes(to_bytes, networks.by_chain_id(chain_id))
     else:
         to_str = "new contract?"
-    text = Text("Confirm sending", ui.ICON_SEND, ui.GREEN, new_lines=False)
-    text.bold(format_ethereum_amount(value, token, chain_id, tx_type))
-    text.normal(ui.GREY, " to ", ui.FG)
-    for to_line in split_address(to_str):
-        text.br()
-        text.mono(to_line)
-    # we use SignTx, not ConfirmOutput, for compatibility with T1
-    await require_confirm(ctx, text, ButtonRequestType.SignTx)
+    await confirm_output(
+        ctx,
+        address=to_str,
+        amount=format_ethereum_amount(value, token, chain_id, tx_type),
+        font_amount=ui.BOLD,
+        color_to=ui.GREY,
+        br_code=ButtonRequestType.SignTx,
+    )
 
 
 async def require_confirm_fee(
     ctx, spending, gas_price, gas_limit, chain_id, token=None, tx_type=None
 ):
-    text = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN, new_lines=False)
-    text.bold(format_ethereum_amount(spending, token, chain_id, tx_type))
-    text.normal(" ", ui.GREY, "Gas price:", ui.FG)
-    text.bold(format_ethereum_amount(gas_price, None, chain_id, tx_type))
-    text.normal(" ", ui.GREY, "Maximum fee:", ui.FG)
-    text.bold(format_ethereum_amount(gas_price * gas_limit, None, chain_id, tx_type))
-    await require_hold_to_confirm(ctx, text, ButtonRequestType.SignTx)
+    await confirm_total_ethereum(
+        ctx,
+        format_ethereum_amount(spending, token, chain_id, tx_type),
+        format_ethereum_amount(gas_price, None, chain_id, tx_type),
+        format_ethereum_amount(gas_price * gas_limit, None, chain_id, tx_type),
+    )
 
 
 async def require_confirm_unknown_token(ctx, address_bytes):
-    text = Text("Unknown token", ui.ICON_SEND, ui.ORANGE, new_lines=False)
-    text.normal(ui.GREY, "Contract:", ui.FG)
     contract_address_hex = "0x" + hexlify(address_bytes).decode()
-    text.mono(*split_data(contract_address_hex))
-    await require_confirm(ctx, text, ButtonRequestType.SignTx)
-
-
-def split_data(data):
-    return chunks(data, 18)
+    await confirm_hex(
+        ctx,
+        "confirm_unknown",
+        title="Unknown token",
+        data=contract_address_hex,
+        truncate=True,
+        description="Contract:",
+        color_description=ui.GREY,
+        icon_color=ui.ORANGE,
+        br_code=ButtonRequestType.SignTx,
+    )
 
 
 async def require_confirm_data(ctx, data, data_total):
     data_str = hexlify(data[:36]).decode()
     if data_total > 36:
         data_str = data_str[:-2] + ".."
-    text = Text("Confirm data", ui.ICON_SEND, ui.GREEN)
-    text.bold("Size: %d bytes" % data_total)
-    text.mono(*split_data(data_str))
-    # we use SignTx, not ConfirmOutput, for compatibility with T1
-    await require_confirm(ctx, text, ButtonRequestType.SignTx)
+    await confirm_hex(
+        ctx,
+        "confirm_data",
+        title="Confirm data",
+        data=data_str,
+        truncate=True,
+        subtitle="Size: %d bytes" % data_total,
+        br_code=ButtonRequestType.SignTx,
+    )
 
 
 def format_ethereum_amount(value: int, token, chain_id: int, tx_type=None):

core/src/trezor/ui/layouts/tt.py

@@ -53,6 +53,7 @@ __all__ = (
     "confirm_decred_sstx_submission",
     "confirm_hex",
     "confirm_total",
+    "confirm_total_ethereum",
     "confirm_joint_total",
     "confirm_metadata",
     "confirm_replacement",
@@ -215,7 +216,7 @@ def _truncate_hex(
     width: int = MONO_HEX_PER_LINE,
     middle: bool = False,
 ) -> Iterator[str]:
-    if len(hex_data) >= width * lines:
+    if len(hex_data) > width * lines:
         if middle:
             hex_data = (
                 hex_data[: lines * width // 2 - 1]
@@ -438,12 +439,15 @@ async def confirm_output(
     ctx: wire.GenericContext,
     address: str,
     amount: str,
+    font_amount: int = ui.NORMAL,  # TODO cleanup @ redesign
+    color_to: int = ui.FG,  # TODO cleanup @ redesign
+    br_code: ButtonRequestType = ButtonRequestType.ConfirmOutput,
 ) -> None:
     text = Text("Confirm sending", ui.ICON_SEND, ui.GREEN, new_lines=False)
-    text.normal(amount + " to\n")
+    text.content = [font_amount, amount, ui.NORMAL, color_to, " to\n", ui.FG]
     text.mono(*_split_address(address))
     await raise_if_cancelled(
-        interact(ctx, Confirm(text), "confirm_output", ButtonRequestType.ConfirmOutput)
+        interact(ctx, Confirm(text), "confirm_output", br_code)
     )
 
 
@@ -475,14 +479,18 @@ async def confirm_hex(
     br_code: ButtonRequestType = ButtonRequestType.Other,
     icon: str = ui.ICON_SEND,  # TODO cleanup @ redesign
     icon_color: int = ui.GREEN,  # TODO cleanup @ redesign
+    font_description: int = ui.NORMAL,  # TODO cleanup @ redesign
+    color_description: int = ui.FG,  # TODO cleanup @ redesign
     width: int = MONO_HEX_PER_LINE,
     truncate_middle: bool = False,
 ) -> None:
     text = Text(title, icon, icon_color, new_lines=False)
     description_lines = 0
     if description is not None:
-        description_lines = Span(description, 0, ui.NORMAL).count_lines()
-        text.normal(description)
+        description_lines = Span(description, 0, font_description).count_lines()
+        text.content.extend(
+            (font_description, color_description, description, ui.FG)
+        )
         text.br()
     text.mono(
         *_truncate_hex(
@@ -509,6 +517,21 @@ async def confirm_total(
     )
 
 
+# TODO cleanup @ redesign
+async def confirm_total_ethereum(
+    ctx: wire.GenericContext, total_amount: str, gas_price: str, fee_max: str
+) -> None:
+    text = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN, new_lines=False)
+    text.bold(total_amount)
+    text.normal(" ", ui.GREY, "Gas price:", ui.FG)
+    text.bold(gas_price)
+    text.normal(" ", ui.GREY, "Maximum fee:", ui.FG)
+    text.bold(fee_max)
+    await raise_if_cancelled(
+        interact(ctx, HoldToConfirm(text), "confirm_total", ButtonRequestType.SignTx)
+    )
+
+
 async def confirm_joint_total(
     ctx: wire.GenericContext, spending_amount: str, total_amount: str
 ) -> None: