xmr: py3 only inheritance

src/apps/monero/__init__.py

@@ -3,7 +3,7 @@
 
 
 # persistent state objects
-class Holder(object):
+class Holder:
     def __init__(self):
         self.ctx_sign = None
         self.ctx_ki = None

src/apps/monero/controller/iface.py

@@ -1,4 +1,4 @@
-class TrezorInterface(object):
+class TrezorInterface:
     def __init__(self, ctx=None):
         self.ctx = ctx
 

src/apps/monero/controller/misc.py

@@ -17,7 +17,7 @@ class TrezorChangeAddressError(TrezorError):
     pass
 
 
-class StdObj(object):
+class StdObj:
     def __init__(self, **kwargs):
         for kw in kwargs:
             setattr(self, kw, kwargs[kw])

src/apps/monero/protocol/key_image_sync.py

@@ -3,7 +3,7 @@
 from apps.monero.controller import wrapper as twrap
 
 
-class KeyImageSync(object):
+class KeyImageSync:
     def __init__(self, ctx=None, iface=None, creds=None):
         from apps.monero.xmr import crypto
         from apps.monero.xmr.sub.keccak_hasher import HashWrapper

src/apps/monero/protocol/tsx_sign_builder.py

@@ -7,15 +7,15 @@
 from apps.monero.xmr import common, crypto, monero
 
 
-class TprefixStub(object):
+class TprefixStub:
     __slots__ = ("version", "unlock_time", "vin", "vout", "extra")
 
     def __init__(self, **kwargs):
         for kw in kwargs:
             setattr(self, kw, kwargs[kw])
 
 
-class TTransactionBuilder(object):
+class TTransactionBuilder:
     """
     Transaction builder
     """

src/apps/monero/protocol/tsx_sign_state.py

@@ -1,7 +1,7 @@
 from micropython import const
 
 
-class TState(object):
+class TState:
     """
     Transaction state
     """

src/apps/monero/protocol/tsx_sign_state_holder.py

@@ -1,4 +1,4 @@
-class TsxSignStateHolder(object):
+class TsxSignStateHolder:
     """
     Simple transaction signer state holder.
     Externalized state uses smaller amount of memory compared to storing the builder instance in the state.

src/apps/monero/protocol_lite/lite.py

@@ -20,7 +20,7 @@ def memcpy(dst, dst_off, src, src_off, ln):
     return dst
 
 
-class LiteProtocol(object):
+class LiteProtocol:
     """
     Lite protocol
     """

src/apps/monero/xmr/bulletproof.py

@@ -256,7 +256,7 @@ def get_exponent(dst, base, idx):
 #
 
 
-class KeyVBase(object):
+class KeyVBase:
     """
     Base KeyVector object
     """
@@ -786,7 +786,7 @@ def is_reduced(sc):
     return crypto.encodeint(crypto.decodeint(sc)) == sc
 
 
-class MultiExpSequential(object):
+class MultiExpSequential:
     """
     MultiExp object similar to MultiExp array of [(scalar, point), ]
     MultiExp computes simply: res = \sum_i scalar_i * point_i
@@ -840,7 +840,7 @@ def multiexp(dst=None, data=None, GiHi=False):
     return data.eval(dst, GiHi)
 
 
-class BulletProofBuilder(object):
+class BulletProofBuilder:
     def __init__(self):
         self.use_det_masks = True
         self.proof_sec = None

src/apps/monero/xmr/serialize/xmrserialize.py

@@ -63,7 +63,7 @@ def import_def(module, name):
     return r
 
 
-class Archive(object):
+class Archive:
     """
     Archive object for object binary serialization / deserialization.
     Resembles Archive API from the Monero codebase or Boost serialization archive.

src/apps/monero/xmr/serialize_messages/tx_rsig.py

@@ -1,4 +1,4 @@
-class RctType(object):
+class RctType:
     Null = 0
     Full = 1
     Simple = 2

src/apps/monero/xmr/sub/creds.py

@@ -3,7 +3,7 @@
 from apps.monero.xmr.sub.xmr_net import NetworkTypes, net_version
 
 
-class AccountCreds(object):
+class AccountCreds:
     """
     Stores account private keys
     """

src/apps/monero/xmr/sub/keccak_hasher.py

@@ -1,7 +1,7 @@
 from apps.monero.xmr import crypto
 
 
-class KeccakXmrArchive(object):
+class KeccakXmrArchive:
     def __init__(self, ctx=None):
         self.kwriter = get_keccak_writer(ctx=ctx)
         self.ar = None
@@ -51,7 +51,7 @@ async def container_size(
         return await ar.container_size(container_len, container_type, params)
 
 
-class HashWrapper(object):
+class HashWrapper:
     def __init__(self, ctx):
         self.ctx = ctx
 

src/apps/monero/xmr/sub/mlsag_hasher.py

@@ -1,7 +1,7 @@
 from apps.monero.xmr import crypto
 
 
-class PreMlsagHasher(object):
+class PreMlsagHasher:
     """
     Iterative construction of the pre_mlsag_hash
     """

src/apps/monero/xmr/sub/xmr_net.py

@@ -1,23 +1,23 @@
-class NetworkTypes(object):
+class NetworkTypes:
     MAINNET = 0
     TESTNET = 1
     STAGENET = 2
     FAKECHAIN = 3
 
 
-class MainNet(object):
+class MainNet:
     PUBLIC_ADDRESS_BASE58_PREFIX = 18
     PUBLIC_INTEGRATED_ADDRESS_BASE58_PREFIX = 19
     PUBLIC_SUBADDRESS_BASE58_PREFIX = 42
 
 
-class TestNet(object):
+class TestNet:
     PUBLIC_ADDRESS_BASE58_PREFIX = 53
     PUBLIC_INTEGRATED_ADDRESS_BASE58_PREFIX = 54
     PUBLIC_SUBADDRESS_BASE58_PREFIX = 63
 
 
-class StageNet(object):
+class StageNet:
     PUBLIC_ADDRESS_BASE58_PREFIX = 24
     PUBLIC_INTEGRATED_ADDRESS_BASE58_PREFIX = 25
     PUBLIC_SUBADDRESS_BASE58_PREFIX = 36