合约验证接口调整

src/main/java/com/wuban/tron/explore/controller/ContractController.java

@@ -125,7 +125,12 @@ public class ContractController {
             con.setLicenseType(reqParam.getLicense_type());
             con.setEvmVersion(reqParam.getEvm_version());
             if (con != null) {
-                this.contractService.insert(con);
+                ContractExample example = new ContractExample();
+                example.createCriteria().andContractAddressEqualTo(reqParam.getAddress());
+                Contract obj = this.contractService.selectOneByExample(example);
+                if (obj == null) {
+                    this.contractService.insert(con);
+                }
             }
             flag = true;
         }