32 lines
877 B
Go
32 lines
877 B
Go
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package deals
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import (
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"github.com/filecoin-project/go-lotus/api"
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"github.com/filecoin-project/go-lotus/build"
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"github.com/filecoin-project/go-lotus/chain/types"
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)
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func VoucherSpec(blocksDuration uint64, price types.BigInt, start uint64, extra *types.ModVerifyParams) []api.VoucherSpec {
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nVouchers := blocksDuration / build.MinDealVoucherIncrement
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if nVouchers < 1 {
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nVouchers = 1
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}
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if nVouchers > build.MaxVouchersPerDeal {
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nVouchers = build.MaxVouchersPerDeal
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}
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hIncrements := blocksDuration / nVouchers
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vouchers := make([]api.VoucherSpec, nVouchers)
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for i := uint64(0); i < nVouchers; i++ {
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vouchers[i] = api.VoucherSpec{
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Amount: types.BigDiv(types.BigMul(price, types.NewInt(i+1)), types.NewInt(nVouchers)),
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TimeLock: start + (hIncrements * (i + 1)),
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MinClose: start + (hIncrements * (i + 1)),
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Extra: extra,
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}
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}
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return vouchers
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}
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