func (alice *EcdsaAlice) ScriptlessPhase1(pub2 *PubKey) *PubKey {
	return alice.Phase1(pub2)
}
ScriptlessPhase1 -- used to generate final pubkey of parties.
package xcrypto
import (
	"errors"
	"math/big"
	"github.com/keyfuse/tokucore/xcrypto/paillier"
	"github.com/keyfuse/tokucore/xcrypto/secp256k1"
)
type EcdsaAlice struct {
	*EcdsaParty
}
func NewEcdsaAlice(prv *PrvKey) *EcdsaAlice {
	party := NewEcdsaParty(prv)
	return &EcdsaAlice{party}
}