commit fce9bce6fcd9b5f97d3fa3846bdfb78f5c6be0f7
parent 5a92058e74e62202e9e84943d357fcb497881334
Author: lash <dev@holbrook.no>
Date: Fri, 11 Mar 2022 11:02:47 +0000
Initial shep provisions
Diffstat:
6 files changed, 144 insertions(+), 3 deletions(-)
diff --git a/CHANGELOG b/CHANGELOG
@@ -1,3 +1,5 @@
+- 0.1.0
+ * Replace state transitions with shep
- 0.0.3
* cli tool for listing queue by address
* ensure lowercase hex input in db
diff --git a/chainqueue/__init__.py b/chainqueue/__init__.py
@@ -0,0 +1 @@
+from .state import Status
diff --git a/chainqueue/state.py b/chainqueue/state.py
@@ -0,0 +1,65 @@
+# standard imports
+import logging
+
+# external imports
+import shep.persist
+
+logg = logging.getLogger(__name__)
+
+
+class Verify:
+
+ def verify(self, state_store, from_state, to_state):
+ to_state_name = state_store.name(to_state)
+ m = None
+ try:
+ m = getattr(self, 'verify_' + to_state_name)
+ except AttributeError:
+ logg.debug('foo {}'.format(to_state_name))
+ return None
+
+ r = m(state_store, from_state)
+ if r != None:
+ from_state_name = state_store.name(from_state)
+ r = '{} -> {}: {}'.format(from_state_name, to_state_name, r)
+
+ return r
+
+
+ def verify_GAS_ISSUES(self, state_store, from_state):
+ if from_state & state_store.FINAL:
+ return 'already finalized'
+ if from_state & state_store.GAS_ISSUES:
+ return 'already in network'
+
+
+
+class Status(shep.persist.PersistedState):
+
+ def __init__(self, store_factory):
+ verify = Verify().verify
+ self.set_default_state('PENDING')
+ super(Status, self).__init__(store_factory, 12, verifier=verify)
+ self.add('QUEUED')
+ self.add('RESERVED')
+ self.add('IN_NETWORK')
+ self.add('DEFERRED')
+ self.add('GAS_ISSUES')
+ self.add('LOCAL_ERROR')
+ self.add('NODE_ERROR')
+ self.add('NETWORK_ERROR')
+ self.add('UNKNOWN_ERROR')
+ self.add('FINAL')
+ self.add('OBSOLETE')
+ self.add('MANUAL')
+
+ self.alias('SENDFAIL', self.DEFERRED | self.LOCAL_ERROR)
+ self.alias('RETRY', self.DEFERRED | self.QUEUED)
+ self.alias('OBSOLETED', self.OBSOLETE | self.IN_NETWORK)
+ self.alias('FUBAR', self.FINAL | self.UNKNOWN_ERROR)
+ self.alias('CANCELLED', self.IN_NETWORK | self.FINAL | self.OBSOLETE)
+ self.alias('OVERRIDDEN', self.FINAL | self.OBSOLETE | self.MANUAL)
+ self.alias('REJECTED', self.NODE_ERROR | self.FINAL)
+ self.alias('REVERTED', self.IN_NETWORK | self.FINAL, self.NETWORK_ERROR)
+ self.alias('SUCCESS', self.IN_NETWORK | self.FINAL)
+
diff --git a/chainqueue/tx.py b/chainqueue/tx.py
@@ -0,0 +1,21 @@
+class Tx:
+
+ def __init__(self, store, seq, tx_hash, signed_tx, cache=None):
+ self.store = store
+ self.seq = seq
+ self.tx_hash = tx_hash
+ self.signed_tx = signed_tx
+ self.cache = cache
+
+
+ def __to_key(self, k, v):
+ return '{:>010s}_{}'.format(k, v)
+
+
+ def create(self):
+ k = self.__to_key(str(self.seq), self.tx_hash)
+ self.store.put(k, self.signed_tx)
+
+
+ def waitforgas(self):
+ pass
diff --git a/requirements.txt b/requirements.txt
@@ -1,8 +1,9 @@
pysha3==1.0.2
-hexathon~=0.1.0
+hexathon~=0.1.5
leveldir~=0.3.0
alembic==1.4.2
SQLAlchemy==1.3.20
-confini~=0.5.1
+confini~=0.6.0
pyxdg~=0.27
-chainlib~=0.0.12
+chainlib>=0.1.0b1,<=0.1.0
+shep~=0.1.1
diff --git a/tests/test_shep.py b/tests/test_shep.py
@@ -0,0 +1,51 @@
+# standard imports
+import os
+import logging
+import unittest
+import tempfile
+
+# external imports
+from hexathon import add_0x
+from shep.store.file import SimpleFileStoreFactory
+from shep.error import StateTransitionInvalid
+
+# local imports
+from chainqueue import Status
+from chainqueue.tx import Tx
+
+logging.basicConfig(level=logging.DEBUG)
+logg = logging.getLogger()
+
+
+class TestShepBase(unittest.TestCase):
+
+ def setUp(self):
+ self.path = tempfile.mkdtemp()
+ factory = SimpleFileStoreFactory(self.path).add
+ self.state = Status(factory)
+
+
+class TestShep(TestShepBase):
+
+ def test_shep_setup(self):
+ pass
+
+
+ def test_shep_tx(self):
+ tx_hash = add_0x(os.urandom(20).hex())
+ signed_tx = add_0x(os.urandom(128).hex())
+ nonce = 42
+ tx = Tx(self.state, nonce, tx_hash, signed_tx)
+ tx.create()
+ logg.debug('file {}'.format(self.path))
+
+
+ def test_shep_invalid(self):
+ self.state.put('foo', 'bar')
+ self.state.set('foo', self.state.FINAL)
+ with self.assertRaises(StateTransitionInvalid):
+ self.state.move('foo', self.state.GAS_ISSUES)
+
+
+if __name__ == '__main__':
+ unittest.main()
