1package statedb
 2
 3import (
 4	"math/big"
 5
 6	ethCommon "github.com/ethereum/go-ethereum/common"
 7	"github.com/hermeznetwork/hermez-node/common"
 8	"github.com/iden3/go-iden3-crypto/babyjub"
 9	"github.com/iden3/go-merkletree"
10)
11
12// TODO
13func (s *StateDB) getIdxByEthAddr(addr ethCommon.Address) common.Idx {
14	return common.Idx(0)
15}
16
17// TODO
18func (s *StateDB) getIdxByBJJ(pk *babyjub.PublicKey) common.Idx {
19	return common.Idx(0)
20}
21
22func siblingsToZKInputFormat(s []*merkletree.Hash) []*big.Int {
23	b := make([]*big.Int, len(s))
24	for i := 0; i < len(s); i++ {
25		b[i] = s[i].BigInt()
26	}
27	return b
28}
29
30// BJJCompressedTo256BigInts returns a [256]*big.Int array with the bit
31// representation of the babyjub.PublicKeyComp
32func BJJCompressedTo256BigInts(pkComp babyjub.PublicKeyComp) [256]*big.Int {
33	var r [256]*big.Int
34	b := pkComp[:]
35
36	for i := 0; i < 256; i++ {
37		if b[i/8]&(1<<(i%8)) == 0 {
38			r[i] = big.NewInt(0)
39		} else {
40			r[i] = big.NewInt(1)
41		}
42	}
43
44	return r
45}