36 lines
1007 B
Go
36 lines
1007 B
Go
package paychmgr
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import (
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"context"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-state-types/builtin/v8/paych"
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)
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type BestSpendableAPI interface {
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PaychVoucherList(context.Context, address.Address) ([]*paych.SignedVoucher, error)
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PaychVoucherCheckSpendable(context.Context, address.Address, *paych.SignedVoucher, []byte, []byte) (bool, error)
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}
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func BestSpendableByLane(ctx context.Context, api BestSpendableAPI, ch address.Address) (map[uint64]*paych.SignedVoucher, error) {
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vouchers, err := api.PaychVoucherList(ctx, ch)
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if err != nil {
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return nil, err
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}
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bestByLane := make(map[uint64]*paych.SignedVoucher)
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for _, voucher := range vouchers {
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spendable, err := api.PaychVoucherCheckSpendable(ctx, ch, voucher, nil, nil)
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if err != nil {
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return nil, err
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}
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if spendable {
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if bestByLane[voucher.Lane] == nil || voucher.Amount.GreaterThan(bestByLane[voucher.Lane].Amount) {
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bestByLane[voucher.Lane] = voucher
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}
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}
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}
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return bestByLane, nil
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}
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