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add autoborrow strategy

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This commit is contained in:
c9s 2022-04-23 15:18:25 +08:00
parent fd247cf7d7
commit 743ad0455f
1 changed files with 9 additions and 1 deletions
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10
pkg/strategy/autoborrow/strategy.go
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@ -88,7 +88,7 @@ func (s *Strategy) checkAndBorrow(ctx context.Context) {
b, ok := balances[marginAsset.Asset]
if ok {
toBorrow := marginAsset.Low - b.Total()
toBorrow := marginAsset.Low.Sub(b.Total())
if toBorrow.Sign() < 0 {
log.Debugf("no need to borrow asset %+v", marginAsset)
continue
@ -99,6 +99,14 @@ func (s *Strategy) checkAndBorrow(ctx context.Context) {
}
if !marginAsset.MaxTotalBorrow.IsZero() {
// check if we over borrow
if toBorrow.Add(b.Borrowed).Compare(marginAsset.MaxTotalBorrow) > 0 {
toBorrow = toBorrow.Sub( toBorrow.Add(b.Borrowed).Sub(marginAsset.MaxTotalBorrow) )
if toBorrow.Sign() < 0 {
log.Warnf("over borrowed, skip borrowing %+v", marginAsset)
continue
}
}
toBorrow = fixedpoint.Min(toBorrow.Add(b.Borrowed), marginAsset.MaxTotalBorrow)
}