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128 lines
5.0 KiB
128 lines
5.0 KiB
from trezor import ui
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from trezor.messages import (
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ButtonRequestType,
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NEMImportanceTransfer,
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NEMImportanceTransferMode,
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NEMMosaic,
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NEMMosaicLevy,
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NEMTransactionCommon,
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NEMTransfer,
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)
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from trezor.ui.text import Text
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from trezor.utils import format_amount, split_words
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from ..helpers import (
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NEM_LEVY_PERCENTILE_DIVISOR_ABSOLUTE,
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NEM_MAX_DIVISIBILITY,
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NEM_MOSAIC_AMOUNT_DIVISOR,
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)
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from ..layout import require_confirm_final, require_confirm_text, split_address
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from ..mosaic.helpers import get_mosaic_definition, is_nem_xem_mosaic
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from apps.common.confirm import require_confirm
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async def ask_transfer(ctx, common: NEMTransactionCommon, transfer: NEMTransfer, payload: bytes, encrypted: bool):
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if payload:
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await _require_confirm_payload(ctx, transfer.payload, encrypted)
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for mosaic in transfer.mosaics:
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await ask_transfer_mosaic(ctx, common, transfer, mosaic)
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await _require_confirm_transfer(ctx, transfer.recipient, _get_xem_amount(transfer))
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await require_confirm_final(ctx, common.fee)
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async def ask_transfer_mosaic(ctx, common: NEMTransactionCommon, transfer: NEMTransfer, mosaic: NEMMosaic):
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if is_nem_xem_mosaic(mosaic.namespace, mosaic.mosaic):
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return
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definition = get_mosaic_definition(mosaic.namespace, mosaic.mosaic, common.network)
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mosaic_quantity = mosaic.quantity * transfer.amount / NEM_MOSAIC_AMOUNT_DIVISOR
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if definition:
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msg = Text('Confirm mosaic', ui.ICON_SEND, icon_color=ui.GREEN)
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msg.normal('Confirm transfer of')
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msg.bold(format_amount(mosaic_quantity, definition['divisibility']) + definition['ticker'])
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msg.normal('of')
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msg.bold(definition['name'])
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await require_confirm(ctx, msg, ButtonRequestType.ConfirmOutput)
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if 'levy' in definition and 'fee' in definition:
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levy_msg = _get_levy_msg(definition, mosaic_quantity, common.network)
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msg = Text('Confirm mosaic', ui.ICON_SEND, icon_color=ui.GREEN)
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msg.normal('Confirm mosaic', 'levy fee of')
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msg.bold(levy_msg)
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await require_confirm(ctx, msg, ButtonRequestType.ConfirmOutput)
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else:
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msg = Text('Confirm mosaic', ui.ICON_SEND, icon_color=ui.RED)
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msg.bold('Unknown mosaic!')
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msg.normal(*split_words('Divisibility and levy cannot be shown for unknown mosaics', 22))
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await require_confirm(ctx, msg, ButtonRequestType.ConfirmOutput)
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msg = Text('Confirm mosaic', ui.ICON_SEND, icon_color=ui.GREEN)
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msg.normal('Confirm transfer of')
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msg.bold('%s raw units' % mosaic_quantity)
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msg.normal('of')
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msg.bold('%s.%s' % (mosaic.namespace, mosaic.mosaic))
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await require_confirm(ctx, msg, ButtonRequestType.ConfirmOutput)
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def _get_xem_amount(transfer: NEMTransfer):
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# if mosaics are empty the transfer.amount denotes the xem amount
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if not transfer.mosaics:
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return transfer.amount
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# otherwise xem amount is taken from the nem xem mosaic if present
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for mosaic in transfer.mosaics:
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if is_nem_xem_mosaic(mosaic.namespace, mosaic.mosaic):
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return mosaic.quantity * transfer.amount / NEM_MOSAIC_AMOUNT_DIVISOR
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# if there are mosaics but do not include xem, 0 xem is sent
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return 0
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def _get_levy_msg(mosaic_definition, quantity: int, network: int) -> str:
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levy_definition = get_mosaic_definition(
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mosaic_definition['levy_namespace'],
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mosaic_definition['levy_mosaic'],
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network)
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if mosaic_definition['levy'] == NEMMosaicLevy.MosaicLevy_Absolute:
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levy_fee = mosaic_definition['fee']
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else:
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levy_fee = quantity * mosaic_definition['fee'] / NEM_LEVY_PERCENTILE_DIVISOR_ABSOLUTE
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return format_amount(
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levy_fee,
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levy_definition['divisibility']
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) + levy_definition['ticker']
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async def ask_importance_transfer(ctx, common: NEMTransactionCommon, imp: NEMImportanceTransfer):
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if imp.mode == NEMImportanceTransferMode.ImportanceTransfer_Activate:
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m = 'Activate'
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else:
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m = 'Deactivate'
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await require_confirm_text(ctx, m + ' remote harvesting?')
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await require_confirm_final(ctx, common.fee)
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async def _require_confirm_transfer(ctx, recipient, value):
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text = Text('Confirm transfer', ui.ICON_SEND, icon_color=ui.GREEN)
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text.bold('Send %s XEM' % format_amount(value, NEM_MAX_DIVISIBILITY))
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text.normal('to')
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text.mono(*split_address(recipient))
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await require_confirm(ctx, text, ButtonRequestType.ConfirmOutput)
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async def _require_confirm_payload(ctx, payload: bytes, encrypt=False):
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payload = str(payload, 'utf-8')
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if len(payload) > 48:
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payload = payload[:48] + '..'
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if encrypt:
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text = Text('Confirm payload', ui.ICON_SEND, icon_color=ui.GREEN)
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text.bold('Encrypted:')
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text.normal(*split_words(payload, 22))
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else:
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text = Text('Confirm payload', ui.ICON_SEND, icon_color=ui.RED)
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text.bold('Unencrypted:')
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text.normal(*split_words(payload, 22))
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await require_confirm(ctx, text, ButtonRequestType.ConfirmOutput)
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