add support for refreshRate round length

src/endpoints/dapp-config/dapp.config.controller.ts

@@ -14,8 +14,8 @@ export class DappConfigController {
   @ApiOperation({ summary: 'Dapp configuration', description: 'Returns configuration used in dapps' })
   @ApiOkResponse({ type: DappConfig })
   @ApiNotFoundResponse({ description: 'Network configuration not found' })
-  getDappConfiguration(): DappConfig {
-    const configuration = this.dappConfigService.getDappConfiguration();
+  async getDappConfiguration(): Promise<DappConfig | undefined> {
+    const configuration = await this.dappConfigService.getDappConfiguration();
     if (!configuration) {
       throw new NotFoundException(`Network configuration not found`);
     }

src/endpoints/dapp-config/dapp.config.service.ts

@@ -2,18 +2,34 @@ import { FileUtils } from "@multiversx/sdk-nestjs-common";
 import { Injectable } from "@nestjs/common";
 import { ApiConfigService } from "src/common/api-config/api.config.service";
 import { DappConfig } from "./entities/dapp-config";
+import { GatewayService } from "src/common/gateway/gateway.service";
 
 @Injectable()
 export class DappConfigService {
   private readonly dappConfig: DappConfig | undefined;
 
   constructor(
     private readonly apiConfigService: ApiConfigService,
+    private readonly gatewayService: GatewayService,
   ) {
     this.dappConfig = this.getDappConfigurationRaw();
   }
 
-  getDappConfiguration(): DappConfig | undefined {
+  async getDappConfiguration(): Promise<DappConfig | undefined> {
+    if (!this.dappConfig) {
+      return undefined;
+    }
+
+    const networkConfig = await this.gatewayService.getNetworkConfig();
+    const refreshRate = networkConfig.erd_round_duration;
+
+    if (refreshRate) {
+      return {
+        ...this.dappConfig,
+        refreshRate,
+      };
+    }
+
     return this.dappConfig;
   }
 

src/endpoints/dapp-config/entities/dapp-config.ts

@@ -43,4 +43,7 @@ export class DappConfig {
 
   @ApiProperty({ type: String, example: '1' })
   chainId: string = '';
+
+  @ApiProperty({ type: Number, example: 6000 })
+  refreshRate: number = 0;
 }