static IS_AUTOMATIC & NATIVE_GAS_DROPOFF_SUPPORTED (#664)

Author: artursapek

connect/src/routes/cctp/automatic.ts

@@ -54,7 +54,7 @@ export class AutomaticCCTPRoute<N extends Network>
   extends AutomaticRoute<N, Op, Vp, R>
   implements StaticRouteMethods<typeof AutomaticCCTPRoute>
 {
-  NATIVE_GAS_DROPOFF_SUPPORTED = true;
+  static NATIVE_GAS_DROPOFF_SUPPORTED = true;
 
   static meta = {
     name: "AutomaticCCTP",

connect/src/routes/portico/automatic.ts

@@ -72,7 +72,7 @@ export class AutomaticPorticoRoute<N extends Network>
   extends AutomaticRoute<N, OP, VP, R>
   implements StaticRouteMethods<typeof AutomaticPorticoRoute>
 {
-  NATIVE_GAS_DROPOFF_SUPPORTED = false;
+  static NATIVE_GAS_DROPOFF_SUPPORTED = false;
 
   static meta = {
     name: "AutomaticPortico",

connect/src/routes/route.ts

@@ -26,11 +26,6 @@ export abstract class Route<
 > {
   wh: Wormhole<N>;
 
-  // true means this route supports native gas dropoff
-  abstract readonly NATIVE_GAS_DROPOFF_SUPPORTED: boolean;
-  // true means this is a one-transaction route (using a relayer)
-  abstract readonly IS_AUTOMATIC: boolean;
-
   public constructor(wh: Wormhole<N>) {
     this.wh = wh;
   }
@@ -84,6 +79,10 @@ export interface RouteConstructor<OP extends Options = Options> {
   new <N extends Network>(wh: Wormhole<N>): Route<N, OP>;
   /**  Details about the route provided by the implementation */
   readonly meta: RouteMeta;
+  /** true means this route supports native gas dropoff */
+  readonly NATIVE_GAS_DROPOFF_SUPPORTED: boolean;
+  /** true means this is a one-transaction route (using a relayer) */
+  readonly IS_AUTOMATIC: boolean;
   /** get the list of networks this route supports */
   supportedNetworks(): Network[];
   /** get the list of chains this route supports */
@@ -113,13 +112,13 @@ export abstract class AutomaticRoute<
   VP extends ValidatedTransferParams<OP> = ValidatedTransferParams<OP>,
   R extends Receipt = Receipt,
 > extends Route<N, OP, VP, R> {
-  IS_AUTOMATIC = true;
+  static IS_AUTOMATIC = true;
   // TODO: search for usagees and update arg
   public abstract isAvailable(request: RouteTransferRequest<N>): Promise<boolean>;
 }
 
 export function isAutomatic<N extends Network>(route: Route<N>): route is AutomaticRoute<N> {
-  return (route as AutomaticRoute<N>).isAvailable !== undefined && route.IS_AUTOMATIC;
+  return (route as AutomaticRoute<N>).isAvailable !== undefined && (route.constructor as RouteConstructor).IS_AUTOMATIC;
 }
 
 /**
@@ -132,8 +131,8 @@ export abstract class ManualRoute<
   VP extends ValidatedTransferParams<OP> = ValidatedTransferParams<OP>,
   R extends Receipt = Receipt,
 > extends Route<N, OP, VP, R> {
-  NATIVE_GAS_DROPOFF_SUPPORTED = false;
-  IS_AUTOMATIC = false;
+  static NATIVE_GAS_DROPOFF_SUPPORTED = false;
+  static IS_AUTOMATIC = false;
   public abstract complete(sender: Signer, receipt: R): Promise<R>;
   public abstract resume(tx: TransactionId): Promise<R>;
 }

connect/src/routes/tokenBridge/automatic.ts

@@ -55,7 +55,7 @@ export class AutomaticTokenBridgeRoute<N extends Network>
   extends AutomaticRoute<N, Op, Vp, R>
   implements StaticRouteMethods<typeof AutomaticTokenBridgeRoute>
 {
-  NATIVE_GAS_DROPOFF_SUPPORTED = true;
+  static NATIVE_GAS_DROPOFF_SUPPORTED = true;
 
   static meta = {
     name: "AutomaticTokenBridge",