use admin key token for admin auth

src/core/configuration/Config.ts

@@ -72,6 +72,8 @@ export interface ServerConfig {
   workerPort(gameID: GameID): number;
   workerPortByIndex(workerID: number): number;
   env(): GameEnv;
+  adminToken(): string;
+  adminHeader(): string;
 }
 
 export interface Config {

src/core/configuration/DefaultConfig.ts

@@ -22,6 +22,12 @@ import { pastelTheme } from "./PastelTheme";
 import { pastelThemeDark } from "./PastelThemeDark";
 
 export abstract class DefaultServerConfig implements ServerConfig {
+  adminHeader(): string {
+    return "x-admin-key";
+  }
+  adminToken(): string {
+    return process.env.ADMIN_TOKEN;
+  }
   numWorkers(): number {
     return 2;
   }
@@ -183,7 +189,7 @@ export class DefaultConfig implements Config {
         return {
           cost: (p: Player) =>
             p.type() == PlayerType.Human && this.infiniteGold()
-              ? 0
+              ? 25
               : 25_000_000,
           territoryBound: false,
         };

src/core/configuration/DevConfig.ts

@@ -5,9 +5,14 @@ import { GameEnv, ServerConfig } from "./Config";
 import { DefaultConfig, DefaultServerConfig } from "./DefaultConfig";
 
 export class DevServerConfig extends DefaultServerConfig {
+  adminToken(): string {
+    return "WARNING_DEV_ADMIN_KEY_DO_NOT_USE_IN_PRODUCTION";
+  }
+
   env(): GameEnv {
     return GameEnv.Dev;
   }
+
   gameCreationRate(highTraffic: boolean): number {
     return 5 * 1000;
   }