ib: attempt to REPL closed connection events

piker/brokers/ib/broker.py

@@ -1163,9 +1163,9 @@ async def deliver_trade_events(
             case 'execDetailsEvent':
                 # unpack attrs pep-0526 style.
                 trade: Trade
-                con: Contract = trade.contract
                 fill: Fill
                 trade, fill = item
+                con: Contract = trade.contract
                 execu: Execution = fill.execution
                 execid: str = execu.execId
                 report: CommissionReport = fill.commissionReport
@@ -1334,6 +1334,8 @@ async def deliver_trade_events(
 
                 # XXX known special (ignore) cases
                 elif code in {
+                    # ^TODO, if this is it we should definitely raise
+                    # or at least provide for reconnect attempts?
                     200,  # uhh.. ni idea
 
                     # hist pacing / connectivity
@@ -1344,10 +1346,15 @@ async def deliver_trade_events(
                     # 'No market data during competing live session'
                     1669,
                 }:
+                    pcc: str = "Peer closed connection."
+                    if pcc in err:
+                        await tractor.pause()
+
                     log.error(
                         f'Order-API-error which is non-cancel-causing ?!\n'
                         f'\n'
-                        f'{pformat(err)}\n'
+                        f'code={code!r}\n'
+                        f'err={pformat(err)}\n'
                     )
                     continue