You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

50 lines
1.3 KiB

package txprocessor
import (
"math/big"
"github.com/hermeznetwork/hermez-node/common"
"github.com/iden3/go-iden3-crypto/babyjub"
"github.com/iden3/go-merkletree"
)
func siblingsToZKInputFormat(s []*merkletree.Hash) []*big.Int {
b := make([]*big.Int, len(s))
for i := 0; i < len(s); i++ {
b[i] = s[i].BigInt()
}
return b
}
// BJJCompressedTo256BigInts returns a [256]*big.Int array with the bit
// representation of the babyjub.PublicKeyComp
func BJJCompressedTo256BigInts(pkComp babyjub.PublicKeyComp) [256]*big.Int {
var r [256]*big.Int
b := pkComp[:]
for i := 0; i < 256; i++ {
if b[i/8]&(1<<(i%8)) == 0 {
r[i] = big.NewInt(0)
} else {
r[i] = big.NewInt(1)
}
}
return r
}
// formatAccumulatedFees returns an array of [nFeeAccounts]*big.Int containing
// the balance of each FeeAccount, taken from the 'collectedFees' map, in the
// order of the 'orderTokenIDs'
func formatAccumulatedFees(collectedFees map[common.TokenID]*big.Int, orderTokenIDs []*big.Int) []*big.Int {
accFeeOut := make([]*big.Int, len(orderTokenIDs))
for i := 0; i < len(orderTokenIDs); i++ {
tokenID := common.TokenIDFromBigInt(orderTokenIDs[i])
if _, ok := collectedFees[tokenID]; ok {
accFeeOut[i] = new(big.Int).Set(collectedFees[tokenID])
} else {
accFeeOut[i] = big.NewInt(0)
}
}
return accFeeOut
}