dione/types/ticket.go

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package types
import (
"math/big"
"github.com/minio/blake2b-simd"
)
type Ticket struct {
VRFProof []byte
}
func (t *Ticket) Quality() float64 {
ticketHash := blake2b.Sum256(t.VRFProof)
ticketNum := BigFromBytes(ticketHash[:]).Int
ticketDenu := big.NewInt(1)
ticketDenu.Lsh(ticketDenu, 256)
tv, _ := new(big.Rat).SetFrac(ticketNum, ticketDenu).Float64()
tq := 1 - tv
return tq
}