autosign defaults to True; missing order lookup bugfix

src/dexorder/bin/mirror.py

@@ -121,7 +121,7 @@ async def main():
     delay = max(0.010, config.polling)
     update_once = config.polling <= 0
     global source_w3
-    source_w3 = await create_w3(config.mirror_source_rpc_url, name='source')
+    source_w3 = await create_w3(config.mirror_source_rpc_url, name='source', autosign=False)
     pools = (config.mirror_pools or [])
     if not pools:
         log.error('must configure mirror_pools')
@@ -129,7 +129,7 @@ async def main():
     if config.account is None:
         # Dev Account #5
         config.account = '0x8b3a350cf5c34c9194ca85829a2df0ec3153be0318b5e2d3348e872092edffba'
-    await blockchain.connect(autosign=True, name='target')  # autosign on the target chain
+    await blockchain.connect(name='target')
 
     mirror_addr = config.mirror_env
     if mirror_addr is None:
@@ -160,7 +160,7 @@ async def main():
     if any(result['status'] != 1 for result in results):
         log.error('Mirroring a token reverted.')
         exit(1)
-    log.info(f'Tokens deployed {results}')
+    log.info(f'Tokens deployed')
 
     log.debug(f'Mirroring pools {", ".join(pools)}')
     txs = []

src/dexorder/blockchain/connection.py

@@ -18,7 +18,7 @@ from ..configuration.resolve import resolve_ws_url
 from ..contract import get_contract_data
 
 
-async def connect(rpc_url=None, account=NARG, autosign=False, name='default'):
+async def connect(rpc_url=None, account=NARG, autosign=True, name='default'):
     """
     connects to the rpc_url and configures context vars
     """
@@ -28,7 +28,7 @@ async def connect(rpc_url=None, account=NARG, autosign=False, name='default'):
     return w3
 
 
-async def create_w3(rpc_url=None, account=NARG, autosign=False, name='default'):
+async def create_w3(rpc_url=None, account=NARG, autosign=True, name='default'):
     # todo create a proxy w3 that rotates among rpc urls
     # self.w3s = tuple(await create_w3(url) for url in rpc_url_or_tag)
     # chain_id = self.w3s[0].eth.chain_id

src/dexorder/contract/contract_proxy.py

@@ -75,6 +75,8 @@ def build_wrapper(addr, name, func):
         try:
             account = current_account.get()
         except LookupError:
+            account = None
+        if account is None:
             raise RuntimeError(f'Cannot invoke transaction {addr}.{name}() without setting an Account.')
         tx = await func(*args).build_transaction(kwargs)
         tx['from'] = account.address

src/dexorder/order/orderstate.py

@@ -67,10 +67,7 @@ class Order:
     @staticmethod
     def of(a, b=None) -> 'Order':
         key = (OrderKey(a.vault, a.order_index) if type(a) is TrancheKey else a) if b is None else OrderKey(a, b)
-        try:
-            return Order.instances[key]
-        except KeyError:
-            return Order(key)
+        return Order.instances[key]
 
 
     @staticmethod