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bsip38: correction about rounding

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Abit 2018-04-16 01:35:59 +02:00 committed by GitHub
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@ -141,10 +141,11 @@ Generally, when two orders got matched, the order matching engine will favor
the larger order while rounding.
When a call order got matched with a limit order, if the call order has no
`target_CR` option set, or has `target_CR` option set but covering debt is
smaller than maximum debt to cover, both means the call order is larger,
so its paid collateral will be rounded down, so its collateral ratio will
increase after partially filled.
`target_CR` option set but its debt is more than the limit order offered,
or the call order has `target_CR` option set but `max_debt_to_cover`
is more than the limit order offered, both means the call order is larger,
according to the rounding rule, the call order's paid collateral will be
rounded down, so its collateral ratio will increase after partially filled.
If the call order has `target_CR` option set and is covering the whole "maximum
debt to cover", to be fair, we should consider that part of call order to be