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nem: compute address from pubkey

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This commit is contained in:
Tomas Susanka 2018-04-04 21:06:37 +02:00 committed by Jan Pochyla
parent 4cd87d3a01
commit 6aef64d367
4 changed files with 63 additions and 1 deletions
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19
embed/extmod/modtrezorcrypto/modtrezorcrypto-nem.h
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@ -34,9 +34,28 @@ STATIC mp_obj_t mod_trezorcrypto_nem_validate_address(mp_obj_t address, mp_obj_t
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorcrypto_nem_validate_address_obj, mod_trezorcrypto_nem_validate_address);
/// def compute_address(public_key: bytes, network: int) -> str:
/// '''
/// Compute a NEM address from a public key
/// '''
STATIC mp_obj_t mod_trezorcrypto_nem_compute_address(mp_obj_t public_key, mp_obj_t network) {
mp_buffer_info_t p;
mp_get_buffer_raise(public_key, &p, MP_BUFFER_READ);
uint32_t n = mp_obj_get_int_truncated(network);
char address[NEM_ADDRESS_SIZE + 1];
if (!nem_get_address(p.buf, n, address)) {
mp_raise_ValueError("Failed to compute a NEM address from a provided public key");
}
return mp_obj_new_str(address, strlen(address), false);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorcrypto_nem_compute_address_obj, mod_trezorcrypto_nem_compute_address);
// objects definition
STATIC const mp_rom_map_elem_t mod_trezorcrypto_nem_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_validate_address), MP_ROM_PTR(&mod_trezorcrypto_nem_validate_address_obj) },
{ MP_ROM_QSTR(MP_QSTR_compute_address), MP_ROM_PTR(&mod_trezorcrypto_nem_compute_address_obj) },
};
STATIC MP_DEFINE_CONST_DICT(mod_trezorcrypto_nem_globals, mod_trezorcrypto_nem_globals_table);

6
mocks/generated/trezorcrypto.py
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@ -320,6 +320,12 @@ def validate_address(address: str, network: int) -> bool:
Validate a NEM address
'''
# extmod/modtrezorcrypto/modtrezorcrypto-nem.h
def compute_address(public_key: bytes, network: int) -> str:
'''
Compute a NEM address from a public key
'''
# extmod/modtrezorcrypto/modtrezorcrypto-nist256p1.h
def generate_secret() -> bytes:
'''

37
tests/test_apps.nem.address.py Normal file
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@ -0,0 +1,37 @@
from common import *
from ubinascii import unhexlify
from trezor.crypto import nem
from apps.nem.helpers import NEM_NETWORK_MAINNET, NEM_NETWORK_TESTNET
class TestNemAddress(unittest.TestCase):
def test_addresses(self):
pubkey = unhexlify('c5f54ba980fcbb657dbaaa42700539b207873e134d2375efeab5f1ab52f87844')
address = nem.compute_address(pubkey, NEM_NETWORK_MAINNET)
self.assertEqual(address, 'NDD2CT6LQLIYQ56KIXI3ENTM6EK3D44P5JFXJ4R4')
pubkey = unhexlify('114171230ad6f8522a000cdc73fbc5c733b30bb71f2b146ccbdf34499f79a810')
address = nem.compute_address(pubkey, NEM_NETWORK_MAINNET)
self.assertEqual(address, 'NCUKWDY3J3THKQHAKOK5ALF6ANJQABZHCH7VN6DP')
def test_validate_address(self):
validity = nem.validate_address('NDD2CT6LQLIYQ56KIXI3ENTM6EK3D44P5JFXJ4R4', NEM_NETWORK_MAINNET)
self.assertTrue(validity)
validity = nem.validate_address('NCUKWDY3J3THKQHAKOK5ALF6ANJQABZHCH7VN6DP', NEM_NETWORK_MAINNET)
self.assertTrue(validity)
validity = nem.validate_address('TAU5HO3DRQZNELFEMZZTUKQEZGQ7IUAHKPO7OOLK', NEM_NETWORK_TESTNET)
self.assertTrue(validity)
validity = nem.validate_address('nope', NEM_NETWORK_TESTNET)
self.assertFalse(validity)
# not valid on testnet
validity = nem.validate_address('NCUKWDY3J3THKQHAKOK5ALF6ANJQABZHCH7VN6DP', NEM_NETWORK_TESTNET)
self.assertFalse(validity)
if __name__ == '__main__':
unittest.main()

2
tests/test_apps.nem.hdnode.py
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@ -4,7 +4,7 @@ from trezor.crypto import bip32
from apps.nem.helpers import NEM_NETWORK_MAINNET, NEM_CURVE
class TestNemAddress(unittest.TestCase):
class TestNemHDNode(unittest.TestCase):
def test_addresses(self):
# test vectors from https://raw.githubusercontent.com/NemProject/nem-test-vectors/master/1.test-keys.dat