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29 lines
622 B
Go
29 lines
622 B
Go
package tradingutil
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import (
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"github.com/c9s/bbgo/pkg/fixedpoint"
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"github.com/c9s/bbgo/pkg/types"
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)
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// CollectTradeFee collects the fee from the given trade slice
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func CollectTradeFee(trades []types.Trade) map[string]fixedpoint.Value {
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fees := make(map[string]fixedpoint.Value)
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for _, t := range trades {
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if fee, ok := fees[t.FeeCurrency]; ok {
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fees[t.FeeCurrency] = fee.Add(t.Fee)
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} else {
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fees[t.FeeCurrency] = t.Fee
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}
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}
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return fees
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}
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func AggregateTradesQuantity(trades []types.Trade) fixedpoint.Value {
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tq := fixedpoint.Zero
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for _, t := range trades {
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tq = tq.Add(t.Quantity)
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}
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return tq
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}
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