db persistence fixes

src/dexorder/blockchain/transaction.py

@@ -2,6 +2,8 @@ import logging
 from abc import abstractmethod
 from uuid import uuid4
 
+from web3.exceptions import TransactionNotFound
+
 from dexorder import db, current_w3
 from dexorder.base.chain import current_chain
 from dexorder.base.order import TransactionRequest
@@ -63,8 +65,11 @@ async def check_receipt(job: TransactionJob):
     if not job.tx:
         return
     w3 = current_w3.get()
-    receipt = await w3.eth.get_transaction_receipt(job.tx.id)
-    if receipt is not None:
+    try:
+        receipt = await w3.eth.get_transaction_receipt(job.tx.id)
+    except TransactionNotFound:
+        pass
+    else:
         job.tx.receipt = receipt
         job.completed = True
         try:

src/dexorder/event_handler.py

@@ -157,36 +157,6 @@ def handle_vault_created(created: EventData):
     current_pub.get()(f'{current_chain.get().chain_id}|{owner}', 'vaults', vaults)
 
 
-def handle_dexorderexecutions(event: EventData):
-    log.debug(f'executions {event}')
-    exe_id = UUID(bytes=event['args']['id'])
-    errors = event['args']['errors']
-    job = db.session.get(TransactionJob, exe_id)
-    req: TrancheExecutionRequest = job.request
-    tk = TrancheKey( req.vault, req.order_index, req.tranche_index )
-    order = Order.of(req.vault, req.order_index)
-    if job is None:
-        log.warning(f'Job {exe_id} not found!')
-        return
-    if len(errors) == 0:
-        log.warning(f'No errors found in DexorderExecutions event: {event}')
-        return
-    if len(errors) > 1:
-        log.warning(f'Multiple executions not yet implemented')
-    error = errors[0]
-    log.debug(f'job {exe_id} had error "{error}"')
-    if error == '':
-        pass  # execution success
-    elif error == 'IIA':
-        # insufficient input amount: suspend execution until new funds are sent
-        # todo replace with vault balance checks
-        token = order.order.tokenIn
-        # underfunded_vaults[req.vault] = underfunded_vaults.get(req.vault, []) + [token]
-        log.debug(f'insufficient funds {req.vault} {token} ')
-    else:
-        log.error(f'Unhandled execution error for transaction request {req} ERROR: "{error}"')
-
-
 def activate_time_triggers():
     now = current_block.get().timestamp
     log.debug(f'activating time triggers')
@@ -223,3 +193,38 @@ async def process_execution_requests():
         job = submit_transaction(new_tranche_execution_request(tk, er.proof))
         inflight_execution_requests[tk] = height
         log.info(f'executing tranche {tk} with job {job.id}')
+
+
+def handle_dexorderexecutions(event: EventData):
+    log.debug(f'executions {event}')
+    exe_id = UUID(bytes=event['args']['id'])
+    errors = event['args']['errors']
+    if len(errors) == 0:
+        log.warning(f'No errors found in DexorderExecutions event: {event}')
+        return
+    if len(errors) > 1:
+        log.warning(f'Multiple executions not yet implemented')
+    job: TransactionJob = db.session.get(TransactionJob, exe_id)
+    if job is None:
+        log.warning(f'Job {exe_id} not found!')
+        return
+
+    finish_execution_request(job.request, errors[0])
+
+
+def finish_execution_request(req: TrancheExecutionRequest, error: str):
+    order = Order.of(req.vault, req.order_index)
+    tk = TrancheKey(req.vault, req.order_index, req.tranche_index)
+    del inflight_execution_requests[tk]  # no longer in-flight
+    if error != '':
+        log.debug(f'execution request for tranche {tk} had error "{error}"')
+    if error == '':
+        pass  # execution success
+    elif error in ('IIA', 'STF'): # todo not STF
+        # Insufficient Input Amount or Safe Transfer Failure: suspend execution until new funds are sent
+        # todo replace with vault balance checks
+        token = order.order.tokenIn
+        # underfunded_vaults[req.vault] = underfunded_vaults.get(req.vault, []) + [token]
+        log.debug(f'insufficient funds {req.vault} {token} ')
+    else:
+        log.error(f'Unhandled execution error for transaction request {req} ERROR: "{error}"')

src/dexorder/order/orderlib.py

@@ -5,9 +5,9 @@ from enum import Enum
 from typing import Optional
 
 from dexorder import dec
-from dexorder.blockchain.uniswap import uniswap_pool_address, uniswap_price
+from dexorder.blockchain.uniswap import uniswap_price
 from dexorder.contract.uniswap_contracts import uniswapV3_pool_address
-from dexorder.contract import abi_decoder, abi_encoder, uniswapV3
+from dexorder.contract import abi_decoder, abi_encoder
 
 log = logging.getLogger(__name__)
 
@@ -51,10 +51,10 @@ class SwapOrder:
 
     @staticmethod
     def load(obj):
-        return SwapOrder(obj[0], obj[1], Route.load(obj[2]), obj[3], obj[4], obj[5], obj[6], [Tranche.load(t) for t in obj[7]])
+        return SwapOrder(obj[0], obj[1], Route.load(obj[2]), int(obj[3]), obj[4], obj[5], obj[6], [Tranche.load(t) for t in obj[7]])
 
     def dump(self):
-        return (self.tokenIn, self.tokenOut, self.route.dump(), self.amount, self.amountIsInput,
+        return (self.tokenIn, self.tokenOut, self.route.dump(), str(self.amount), self.amountIsInput,
                 self.outputDirectlyToOwner, self.chainOrder, [t.dump() for t in self.tranches])
 
     @property

src/dexorder/order/orderstate.py

@@ -164,7 +164,8 @@ class Order:
 
     # this series holds "everything" about an order in the canonical format specified by the contract orderlib, except
     # the filled amount fields for active orders are maintained in the order_remainings and tranche_remainings series.
-    _statuses: BlockDict[OrderKey, SwapOrderStatus] = BlockDict('o', db='lazy', str2key=OrderKey.str2key)
+    _statuses: BlockDict[OrderKey, SwapOrderStatus] = BlockDict(
+        'o', db='lazy', str2key=OrderKey.str2key, value2str=SwapOrderStatus.dump, str2value=SwapOrderStatus.load)
 
     # total remaining amount per order, for all unfilled, not-canceled orders
     _order_filled: BlockDict[OrderKey, Filled] = BlockDict(