client/core: monotonic OrderBook state updates #4
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Could go even further and sanity check lower |
norwnd
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Mar 8, 2023
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| // May want to re-implement strict sequence checking. Might use these tests | ||
| // again. | ||
| // { | ||
| // label: "Unbook sell order with outdated sequence value", | ||
| // orderBook: makeOrderBook( |
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Hmm, I see relevant comment here from long time ago, but it doesn't quite answer why these were commented out in the first place ... Anyway, these tests work reasonably well with my changes - which is a good sign :)
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norwnd
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Mar 8, 2023
client/orderbook/orderbook_test.go
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| note: makeUnbookOrderNote(5, "ob", [32]byte{'d'}), | ||
| expected: nil, | ||
| wantErr: true, | ||
| note: makeUnbookOrderNote(5, "ob", [32]byte{'b'}), | ||
| expected: makeOrderBook( | ||
| 2, | ||
| "ob", | ||
| []*Order{ | ||
| makeOrder([32]byte{'b'}, msgjson.SellOrderNum, 10, 1, 2), | ||
| makeOrder([32]byte{'c'}, msgjson.SellOrderNum, 10, 2, 5), | ||
| }, | ||
| make([]*cachedOrderNote, 0), | ||
| true, | ||
| ), | ||
| wantErr: false, |
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And this "Unbook sell order with future sequence value" test seems to have worked because it was failing due to unknown id error, not the one the name claims to test, note, I changed order ID d->b (it fails like this on master)
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Fixed other similar issues (expectation mismatch) I found in these tests too.
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I've been running this PR on mainnet, and occasionally I see notes from future: ... and so it goes until disconnect 1 min later (not sure if disconect is accidental, or if it's intentional once order book goes stale): then it reconnects and continues to work without obvious issues. Full log: notes-from-future.txt So, was relaxing constraint to allow future notifications the most practical way to address it at the time ? If it ain't part of design #1 + #2 + #4 will hopefully fix it (along with ghost orders and whatnot). |
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