finish all contract interface

Helius

2020-06-05 9da52c963fcbee66a3b299bb687c1efbbafe93a7

 src/main/java/com/xcong/excoin/common/LoginUserUtils.java

@@ -34,6 +34,10 @@
     * @return MemberEntity
     */
    public static MemberEntity getUser() {
        if (SecurityContextHolder.getContext().getAuthentication() == null) {
            return null;
        }

        if (SecurityContextHolder.getContext().getAuthentication().getPrincipal().equals(ANON)) {
            return null;
        } else {