chore: update dependencies and add support for Python 3.11

.github/workflows/docker.yml

@@ -26,10 +26,13 @@ jobs:
         - '3.8'
         - '3.9'
         - '3.10'
+        - '3.11'
         exclude:
-        # XXX: pypy-3.10 does not exist yet
+        # XXX: neither pypy-3.10 nor pypy-3.11 exist yet, maybe pypy-3.10 will be out on PyPy v7.3.10
         - python-impl: pypy
           python-version: '3.10'
+        - python-impl: pypy
+          python-version: '3.11'
     steps:
     - name: Checkout
       uses: actions/checkout@v3

.github/workflows/main.yml

@@ -21,7 +21,7 @@ jobs:
         import os
         import json
         full_matrix = {
-          'python': ['3.8', '3.9', '3.10'],
+          'python': ['3.8', '3.9', '3.10', '3.11'],
           # available OS's: https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idruns-on
           'os': ['ubuntu-22.04', 'macos-12', 'windows-2022'],
           'include': [

README.md

@@ -59,11 +59,11 @@ First, you need to have Python >=3.8 installed. If you don't, we recommend you t
   brew install pyenv
   ```
 
-  then Python 3.10 (you could check the latest 3.10.x version with `pyenv install --list`):
+  then Python 3.11 (you could check the latest 3.11.x version with `pyenv install --list`):
 
   ```
-  pyenv install 3.10.6
-  pyenv local 3.10.6
+  pyenv install 3.11.0
+  pyenv local 3.11.0
   pip install -U poetry
   ```
 
@@ -75,7 +75,7 @@ First, you need to have Python >=3.8 installed. If you don't, we recommend you t
 - on Windows 10 (using [winget](https://github.com/microsoft/winget-cli)):
 
   ```
-  winget install python-3.10
+  winget install python-3.11
   pip install -U poetry
   ```
 

hathor/merged_mining/coordinator.py

@@ -755,7 +755,7 @@ def job_request(self) -> None:
                            merkle_root=bitcoin_block.merkle_root.hex())
 
     async def estimator_loop(self) -> None:
-        """ This loop only cares about reducing the current difficulty if the miner takes too long to submit a solution.
+        """ This loop only cares about reducing the current difficulty if the miner takes too long to submit a solution
         """
         from functools import reduce
         from math import log2

hathor/p2p/protocol.py

@@ -296,7 +296,12 @@ def recv_message(self, cmd: ProtocolMessages, payload: str) -> Optional[Deferred
         self.reset_idle_timeout()
 
         if not self.ratelimit.add_hit(self.RateLimitKeys.GLOBAL):
-            self.state.send_throttle(self.RateLimitKeys.GLOBAL)
+            # XXX: on Python 3.11 the result of the following expression:
+            #      '{}'.format(HathorProtocol.RateLimitKeys.GLOBAL)
+            #      is not 'global' but 'RateLimitKeys.GLOBAL', even though the enum value *is* a string, but it seems
+            #      that something like `str(value)` is called which results in a different value (usually not the case
+            #      for regular strings, but it is for enum+str), using `enum_variant.value` side-steps this problem
+            self.state.send_throttle(self.RateLimitKeys.GLOBAL.value)
             return None
 
         fn = self.state.cmd_map.get(cmd)

hathor/stratum/stratum.py

@@ -117,11 +117,14 @@ def __init__(self, jobid: UUID, created: int, miner: UUID, tx: BaseTransaction,
 
 class MinerJob(NamedTuple):
     """ Data class used to share job data between mining processes """
-    data: 'ctypes.Array[ctypes.c_ubyte]' = Array('B', 2048)
-    data_size: 'ctypes.c_uint' = Value('I')
-    job_id: 'ctypes.Array[ctypes.c_ubyte]' = Array('B', 16)
-    nonce_size: 'ctypes.c_uint' = Value('I')
-    weight: 'ctypes.c_double' = Value('d')
+    # XXX: these typings are causing too much trouble, since this module hasn't been touched for a while and won't be
+    #      touched for the foreseeable future (and will possibly even removed before any changes) it seems fine to just
+    #      use Any so there aren't any mypy complaints anymore
+    data: Any = Array('B', 2048)
+    data_size: Any = Value('I')
+    job_id: Any = Array('B', 16)
+    nonce_size: Any = Value('I')
+    weight: Any = Value('d')
 
     def update_job(self, params: Dict[str, Any]) -> bool:
         """
@@ -818,7 +821,7 @@ class StratumClient(JSONRPC):
     job: Dict
     miners: List[Process]
     loop: Optional[task.LoopingCall]
-    signal: 'ctypes.c_ubyte'
+    signal: Any
     job_data: MinerJob
 
     address: Optional[bytes]

hathor/wallet/hd_wallet.py

@@ -51,7 +51,9 @@ def _register_pycoin_networks() -> None:
 
 
 class HDWallet(BaseWallet):
-    """ Hierarchical Deterministic Wallet based in BIP32 (https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki)
+    """ Hierarchical Deterministic Wallet based on BIP32.
+
+    See: https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki
     """
 
     def __init__(self, *, words: Optional[Any] = None, language: str = 'english', passphrase: bytes = b'',

hathor/wallet/resources/thin_wallet/send_tokens.py

@@ -202,7 +202,7 @@ def _stratum_deferred_resolve(self, context: _Context) -> None:
         funds_hash = context.tx.get_funds_hash()
         context.tx = self.manager.stratum_factory.mined_txs[funds_hash]
         # Delete it to avoid memory leak
-        del(self.manager.stratum_factory.mined_txs[funds_hash])
+        del self.manager.stratum_factory.mined_txs[funds_hash]
 
         deferred = threads.deferToThreadPool(reactor, self.manager.pow_thread_pool,
                                              self._stratum_thread_verify, context)