feat: Add TWAP types for v4-client-js (#477)

Tested it locally, and it _looks_ like its working

Author: dankim214

v4-client-js/__native__/__ios__/v4-native-client.js

@@ -144,6 +144,8 @@ export enum OrderType {
   TAKE_PROFIT_LIMIT = 'TAKE_PROFIT',
   STOP_MARKET = 'STOP_MARKET',
   TAKE_PROFIT_MARKET = 'TAKE_PROFIT_MARKET',
+  TWAP = 'TWAP',
+  TWAP_SUBORDER = 'TWAP_SUBORDER',
 }
 
 // ------------ Order Side ------------

v4-client-js/src/clients/constants.ts

@@ -133,6 +133,10 @@ export function calculateTimeInForce(
           throw new Error('Unexpected code path: timeInForce');
       }
 
+    case OrderType.TWAP:
+    case OrderType.TWAP_SUBORDER:
+      return Order_TimeInForce.TIME_IN_FORCE_UNSPECIFIED;
+
     default:
       throw new Error('Unexpected code path: timeInForce');
   }
@@ -159,6 +163,12 @@ export function calculateOrderFlags(type: OrderType, timeInForce?: OrderTimeInFo
     case OrderType.TAKE_PROFIT_MARKET:
       return OrderFlags.CONDITIONAL;
 
+    case OrderType.TWAP:
+      return OrderFlags.TWAP;
+
+    case OrderType.TWAP_SUBORDER:
+      return OrderFlags.TWAP_SUBORDER;
+
     default:
       throw new Error('Unexpected code path: orderFlags');
   }

v4-client-js/src/clients/helpers/chain-helpers.ts

@@ -39,6 +39,8 @@ export enum OrderFlags {
   SHORT_TERM = 0,
   LONG_TERM = 64,
   CONDITIONAL = 32,
+  TWAP = 128,
+  TWAP_SUBORDER = 256,
 }
 
 // TWAP order parameters

v4-client-js/src/clients/types.ts

@@ -173,12 +173,14 @@ export function verifyOrderFlags(orderFlags: OrderFlags): boolean {
   return (
     orderFlags === OrderFlags.SHORT_TERM ||
     orderFlags === OrderFlags.LONG_TERM ||
-    orderFlags === OrderFlags.CONDITIONAL
+    orderFlags === OrderFlags.CONDITIONAL ||
+    orderFlags === OrderFlags.TWAP ||
+    orderFlags === OrderFlags.TWAP_SUBORDER
   );
 }
 
 export function isStatefulOrder(orderFlags: OrderFlags): boolean {
-  return orderFlags === OrderFlags.LONG_TERM || orderFlags === OrderFlags.CONDITIONAL;
+  return orderFlags === OrderFlags.LONG_TERM || orderFlags === OrderFlags.CONDITIONAL || orderFlags === OrderFlags.TWAP || orderFlags === OrderFlags.TWAP_SUBORDER;
 }
 
 function verifyIsBech32(address: string): Error | undefined {