feat: updated fee type

src/services/Aggregator/ws/index.ts

@@ -516,6 +516,7 @@ class AggregatorWS {
               factory: path.f,
               assetAddressIn: path.aai,
               assetAddressOut: path.aao,
+              fee: path.fee,
             })),
             poolOptimal: json.po,
             ...(json.oi) && {

src/types.ts

@@ -181,7 +181,7 @@ export type SingleSwap = {
   factory: Factory
   assetAddressIn: string
   assetAddressOut: string
-  fee?: number
+  fee?: number | undefined
 }
 
 export type SwapInfoBase = {