mirror of
https://github.com/trezor/trezor-firmware.git
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9fc5bb546b
Changes many fields to required -- as far as we were able to figure out, signing would fail if these fields aren't provided anyway, so this should not pose a compatibility problem. Co-authored-by: matejcik <ja@matejcik.cz>
60 lines
1.7 KiB
Python
60 lines
1.7 KiB
Python
from micropython import const
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from apps.common import paths
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from . import SLIP44_ID
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NEM_NETWORK_MAINNET = const(0x68)
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NEM_NETWORK_TESTNET = const(0x98)
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NEM_NETWORK_MIJIN = const(0x60)
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NEM_TRANSACTION_TYPE_TRANSFER = const(0x0101)
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NEM_TRANSACTION_TYPE_IMPORTANCE_TRANSFER = const(0x0801)
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NEM_TRANSACTION_TYPE_AGGREGATE_MODIFICATION = const(0x1001)
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NEM_TRANSACTION_TYPE_MULTISIG_SIGNATURE = const(0x1002)
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NEM_TRANSACTION_TYPE_MULTISIG = const(0x1004)
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NEM_TRANSACTION_TYPE_PROVISION_NAMESPACE = const(0x2001)
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NEM_TRANSACTION_TYPE_MOSAIC_CREATION = const(0x4001)
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NEM_TRANSACTION_TYPE_MOSAIC_SUPPLY_CHANGE = const(0x4002)
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NEM_MAX_DIVISIBILITY = const(6)
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NEM_MAX_SUPPLY = const(9_000_000_000)
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NEM_SALT_SIZE = const(32)
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AES_BLOCK_SIZE = const(16)
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NEM_HASH_ALG = "keccak"
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NEM_PUBLIC_KEY_SIZE = const(32) # ed25519 public key
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NEM_LEVY_PERCENTILE_DIVISOR_ABSOLUTE = const(10_000)
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NEM_MOSAIC_AMOUNT_DIVISOR = const(1_000_000)
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NEM_MAX_PLAIN_PAYLOAD_SIZE = const(1024)
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NEM_MAX_ENCRYPTED_PAYLOAD_SIZE = const(960)
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def get_network_str(network: int) -> str:
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if network == NEM_NETWORK_MAINNET:
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return "Mainnet"
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elif network == NEM_NETWORK_TESTNET:
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return "Testnet"
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elif network == NEM_NETWORK_MIJIN:
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return "Mijin"
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raise ValueError # no valid network
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def check_path(path: paths.Bip32Path, network: int) -> bool:
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"""Validates that the appropriate coin_type is set for the given network."""
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if len(path) < 2:
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return False
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coin_type = path[1] - paths.HARDENED
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if network == NEM_NETWORK_TESTNET:
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return coin_type == 1
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if network in (NEM_NETWORK_MAINNET, NEM_NETWORK_MIJIN):
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return coin_type == SLIP44_ID
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# unknown network
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return False
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