Merge branch 'whole' of https://gitee.com/chonggaoxiao/new_excoin into whole

Helius

2020-09-29 5cf08fb67c6491eac16ce986306108c4fce77ed9

 src/main/java/com/xcong/excoin/utils/CoinTypeConvert.java

@@ -47,4 +47,12 @@
                return null;
        }
    }

    public static String convertContractTypeToCoin(String symbol) {
        if (symbol.indexOf("/") > 0) {
            return symbol.substring(0, symbol.indexOf("/"));
        } else {
            return null;
        }
    }
}