Fixed bls Address type

pkg/crypto/bls/bls.go

@@ -3,6 +3,7 @@ package bls
 import (
 	"github.com/herumi/bls-eth-go-binary/bls"
 	"github.com/meshplus/bitxhub-kit/crypto"
+	"github.com/meshplus/bitxhub-kit/crypto/asym/ecdsa"
 	"github.com/meshplus/bitxhub-kit/types"
 )
 
@@ -59,7 +60,9 @@ func (p *PublicKey) Type() crypto.KeyType {
 }
 
 func (p *PublicKey) Address() (*types.Address, error) {
-	panic("implement me")
+	data := p.Serialize()
+	ret := ecdsa.Keccak256(data[1:])
+	return types.NewAddress(ret[12:]), nil
 }
 
 func (p *PublicKey) Verify(digest []byte, sig []byte) (bool, error) {