check open market auctions

[maurerle]

check that an orderbook is in one of the open auctions
clear all_orders to fix piling up orders
improve rejecting orders

fixes #187
fixes #190

[codecov]

Codecov Report

Patch coverage: 93.75% and project coverage change: -0.10% ⚠️

Comparison is base (dd9c0e9) 79.07% compared to head (0d5e42d) 78.97%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #192      +/-   ##
==========================================
- Coverage   79.07%   78.97%   -0.10%     
==========================================
  Files          40       40              
  Lines        4047     4043       -4     
==========================================
- Hits         3200     3193       -7     
- Misses        847      850       +3     

Flag	Coverage Δ
pytest	78.97% <93.75%> (-0.10%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
...sume/markets/clearing_algorithms/all_or_nothing.py	90.62% <ø> (-0.73%)	⬇️
...me/markets/clearing_algorithms/complex_clearing.py	90.78% <ø> (-0.07%)	⬇️
assume/markets/clearing_algorithms/simple.py	95.71% <85.71%> (-2.15%)	⬇️
assume/markets/base_market.py	89.26% <100.00%> (+0.31%)	⬆️

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