1package constants
 2
 3import (
 4	"fmt"
 5	"math/big"
 6)
 7
 8// Q is the order of the integer field (Zq) that fits inside the SNARK.
 9var Q *big.Int
10
11// Zero is 0.
12var Zero *big.Int
13
14// One is 1.
15var One *big.Int
16
17// MinusOne is -1.
18var MinusOne *big.Int
19
20func init() {
21	Zero = big.NewInt(0)
22	One = big.NewInt(1)
23	MinusOne = big.NewInt(-1)
24
25	qString := "21888242871839275222246405745257275088548364400416034343698204186575808495617"
26	var ok bool
27	Q, ok = new(big.Int).SetString(qString, 10)
28	if !ok {
29		panic(fmt.Sprintf("Bad base 10 string %s", qString))
30	}
31}