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45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
package xfunding
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import (
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"fmt"
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"time"
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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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type FundingFee struct {
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Asset string `json:"asset"`
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Amount fixedpoint.Value `json:"amount"`
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Txn int64 `json:"txn"`
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Time time.Time `json:"time"`
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}
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type ProfitStats struct {
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*types.ProfitStats
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FundingFeeCurrency string `json:"fundingFeeCurrency"`
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TotalFundingFee fixedpoint.Value `json:"totalFundingFee"`
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FundingFeeRecords []FundingFee `json:"fundingFeeRecords"`
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LastFundingFeeTxn int64 `json:"lastFundingFeeTxn"`
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LastFundingFeeTime time.Time `json:"lastFundingFeeTime"`
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}
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func (s *ProfitStats) AddFundingFee(fee FundingFee) error {
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if s.FundingFeeCurrency == "" {
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s.FundingFeeCurrency = fee.Asset
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} else if s.FundingFeeCurrency != fee.Asset {
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return fmt.Errorf("unexpected error, funding fee currency is not matched, given: %s, wanted: %s", fee.Asset, s.FundingFeeCurrency)
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}
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if s.LastFundingFeeTxn == fee.Txn {
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return errDuplicatedFundingFeeTxnId
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}
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s.FundingFeeRecords = append(s.FundingFeeRecords, fee)
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s.TotalFundingFee = s.TotalFundingFee.Add(fee.Amount)
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s.LastFundingFeeTxn = fee.Txn
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s.LastFundingFeeTime = fee.Time
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return nil
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}
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