func (api *PublicEthereumAPI) Coinbase() (common.Address, error) {
	return common.Address{}, nil
}
Coinbase returns the zero address for web3 compatibility
package gossip
import (
	"github.com/ethereum/go-ethereum/common"
	"github.com/ethereum/go-ethereum/common/hexutil"
)
type PublicEthereumAPI struct {
	s *Service
}
func NewPublicEthereumAPI(s *Service) *PublicEthereumAPI {
	return &PublicEthereumAPI{s}
}
func (api *PublicEthereumAPI) Etherbase() (common.Address, error) {
	return common.Address{}, nil
}