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refactor(core,legacy): remove Wanchain special handling

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now that Wanchain has proper chainID and we don't need to detect it by
magic.

[no changelog]
pull/1804/head
matejcik 3 years ago committed by matejcik
parent 639406b01f
commit 96ed53cc1c
8 changed files with 20 additions and 76 deletions
Show Stats Download Patch File Download Diff File

8
common/tests/fixtures/ethereum/sign_tx.json vendored
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@ -50,7 +50,7 @@
"data": "",
"path": "44'/5718350'/0'/0/0",
"to_address": "0xd0d6d6c5fe4a677d343cc433536bb717bae167dd",
"chain_id": 1,
"chain_id": 888,
"nonce": 0,
"gas_price": 20,
"gas_limit": 20,
@ -58,9 +58,9 @@
"value": 100
},
"result": {
"sig_v": 38,
"sig_r": "d6e197029031ec90b53ed14e8233aa78b592400513ac0386d2d55cdedc3d796f",
"sig_s": "326e0d600dd1b7ee606eb531b998a6a3b3293d4995fb8cfe0677962e8a43cff6"
"sig_v": 1811,
"sig_r": "93648ad45524a896b1f465e868bb7c0427502e218b135e53b55f7a1e7e2293aa",
"sig_s": "2fd3882fbeb8968041d463d7c61526cdb36a80f53b2b217221b879b0d275d179"
}
},
{

5
core/src/apps/ethereum/keychain.py
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@ -1,5 +1,4 @@
from trezor import wire
from trezor.messages import EthereumSignTxEIP1559
from apps.common import paths
from apps.common.keychain import get_keychain
@ -73,10 +72,6 @@ def _schemas_from_chain_id(msg: EthereumSignTx) -> Iterable[paths.PathSchema]:
if info is None:
# allow Ethereum or testnet paths for unknown networks
slip44_id = (60, 1)
elif not EthereumSignTxEIP1559.is_type_of(msg) and networks.is_wanchain(
msg.chain_id, msg.tx_type
):
slip44_id = (networks.SLIP44_WANCHAIN,)
elif info.slip44 != 60 and info.slip44 != 1:
# allow cross-signing with Ethereum unless it's testnet
slip44_id = (info.slip44, 60)

16
core/src/apps/ethereum/layout.py
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@ -15,7 +15,7 @@ from . import networks, tokens
from .address import address_from_bytes
async def require_confirm_tx(ctx, to_bytes, value, chain_id, token=None, tx_type=None):
async def require_confirm_tx(ctx, to_bytes, value, chain_id, token=None):
if to_bytes:
to_str = address_from_bytes(to_bytes, networks.by_chain_id(chain_id))
else:
@ -23,7 +23,7 @@ async def require_confirm_tx(ctx, to_bytes, value, chain_id, token=None, tx_type
await confirm_output(
ctx,
address=to_str,
amount=format_ethereum_amount(value, token, chain_id, tx_type),
amount=format_ethereum_amount(value, token, chain_id),
font_amount=ui.BOLD,
color_to=ui.GREY,
br_code=ButtonRequestType.SignTx,
@ -31,13 +31,13 @@ async def require_confirm_tx(ctx, to_bytes, value, chain_id, token=None, tx_type
async def require_confirm_fee(
ctx, spending, gas_price, gas_limit, chain_id, token=None, tx_type=None
ctx, spending, gas_price, gas_limit, chain_id, token=None
):
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),
format_ethereum_amount(spending, token, chain_id),
format_ethereum_amount(gas_price, None, chain_id),
format_ethereum_amount(gas_price * gas_limit, None, chain_id),
)
@ -88,7 +88,7 @@ async def require_confirm_data(ctx, data, data_total):
)
def format_ethereum_amount(value: int, token, chain_id: int, tx_type=None):
def format_ethereum_amount(value: int, token, chain_id: int):
if token is tokens.UNKNOWN_TOKEN:
suffix = "Wei UNKN"
decimals = 0
@ -96,7 +96,7 @@ def format_ethereum_amount(value: int, token, chain_id: int, tx_type=None):
suffix = token[2]
decimals = token[3]
else:
suffix = networks.shortcut_by_chain_id(chain_id, tx_type)
suffix = networks.shortcut_by_chain_id(chain_id)
decimals = 18
# Don't want to display wei values for tokens with small decimal numbers

20
core/src/apps/ethereum/networks.py
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@ -5,23 +5,13 @@ from micropython import const
from apps.common.paths import HARDENED
SLIP44_WANCHAIN = const(5718350)
SLIP44_ETHEREUM = const(60)
if False:
from typing import Iterator
def is_wanchain(chain_id: int, tx_type: int) -> bool:
return tx_type in (1, 6) and chain_id in (1, 3)
def shortcut_by_chain_id(chain_id: int, tx_type: int = None) -> str:
if is_wanchain(chain_id, tx_type):
return "WAN"
else:
n = by_chain_id(chain_id)
return n.shortcut if n is not None else "UNKN"
def shortcut_by_chain_id(chain_id: int) -> str:
n = by_chain_id(chain_id)
return n.shortcut if n is not None else "UNKN"
def by_chain_id(chain_id: int) -> "NetworkInfo" | None:
@ -32,9 +22,6 @@ def by_chain_id(chain_id: int) -> "NetworkInfo" | None:
def by_slip44(slip44: int) -> "NetworkInfo" | None:
if slip44 == SLIP44_WANCHAIN:
# Coerce to Ethereum
slip44 = SLIP44_ETHEREUM
for n in _networks_iterator():
if n.slip44 == slip44:
return n
@ -44,7 +31,6 @@ def by_slip44(slip44: int) -> "NetworkInfo" | None:
def all_slip44_ids_hardened() -> Iterator[int]:
for n in _networks_iterator():
yield n.slip44 | HARDENED
yield SLIP44_WANCHAIN | HARDENED
class NetworkInfo:

20
core/src/apps/ethereum/networks.py.mako
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@ -5,23 +5,13 @@ from micropython import const
from apps.common.paths import HARDENED
SLIP44_WANCHAIN = const(5718350)
SLIP44_ETHEREUM = const(60)
if False:
from typing import Iterator
def is_wanchain(chain_id: int, tx_type: int) -> bool:
return tx_type in (1, 6) and chain_id in (1, 3)
def shortcut_by_chain_id(chain_id: int, tx_type: int = None) -> str:
if is_wanchain(chain_id, tx_type):
return "WAN"
else:
n = by_chain_id(chain_id)
return n.shortcut if n is not None else "UNKN"
def shortcut_by_chain_id(chain_id: int) -> str:
n = by_chain_id(chain_id)
return n.shortcut if n is not None else "UNKN"
def by_chain_id(chain_id: int) -> "NetworkInfo" | None:
@ -32,9 +22,6 @@ def by_chain_id(chain_id: int) -> "NetworkInfo" | None:
def by_slip44(slip44: int) -> "NetworkInfo" | None:
if slip44 == SLIP44_WANCHAIN:
# Coerce to Ethereum
slip44 = SLIP44_ETHEREUM
for n in _networks_iterator():
if n.slip44 == slip44:
return n
@ -44,7 +31,6 @@ def by_slip44(slip44: int) -> "NetworkInfo" | None:
def all_slip44_ids_hardened() -> Iterator[int]:
for n in _networks_iterator():
yield n.slip44 | HARDENED
yield SLIP44_WANCHAIN | HARDENED
class NetworkInfo:

3
core/src/apps/ethereum/sign_tx.py
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@ -34,7 +34,7 @@ async def sign_tx(ctx, msg, keychain):
data_total = msg.data_length
await require_confirm_tx(ctx, recipient, value, msg.chain_id, token, msg.tx_type)
await require_confirm_tx(ctx, recipient, value, msg.chain_id, token)
if token is None and msg.data_length > 0:
await require_confirm_data(ctx, msg.data_initial_chunk, data_total)
@ -45,7 +45,6 @@ async def sign_tx(ctx, msg, keychain):
int.from_bytes(msg.gas_limit, "big"),
msg.chain_id,
token,
msg.tx_type,
)
data = bytearray()

18
core/tests/test_apps.ethereum.keychain.py
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@ -155,24 +155,6 @@ class TestEthereumKeychain(unittest.TestCase):
)
)
def test_wanchain(self):
@with_keychain_from_chain_id
async def handler_wanchain(ctx, msg, keychain):
self._check_keychain(keychain, 5718350)
# provided address should succeed too
keychain.derive(msg.address_n)
await_result(
handler_wanchain(
wire.DUMMY_CONTEXT,
EthereumSignTx(
address_n=[44 | HARDENED, 5718350 | HARDENED, 0 | HARDENED],
chain_id=3,
tx_type=6,
),
)
)
if __name__ == "__main__":
unittest.main()

6
legacy/firmware/ethereum.c
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@ -250,11 +250,7 @@ static void ethereumFormatAmount(const bignum256 *amnt, const TokenType *token,
suffix = " Wei";
decimals = 0;
} else {
if (tx_type == 1 || tx_type == 6) {
suffix = " WAN";
} else {
ASSIGN_ETHEREUM_SUFFIX(suffix, chain_id);
}
ASSIGN_ETHEREUM_SUFFIX(suffix, chain_id);
}
bn_format(amnt, NULL, suffix, decimals, 0, false, buf, buflen);
}

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