add trader closing order

Helius

2020-08-04 ea8eb9c441bb4452d153579b456467b2f5e958e4

 src/main/java/com/xcong/excoin/configurations/properties/SecurityProperties.java

@@ -14,4 +14,6 @@
public class SecurityProperties {

    private String privateKey;

    private String publicKey;
}