Use SupportedChainId type from sdk

src/types/index.ts

@@ -3,23 +3,24 @@ import { TransactionReceipt } from 'web3-core'
 import { PendingFlux } from 'api/deposit/DepositApi'
 import { TokenOverride } from './config'
 import { TokenDex } from '@gnosis.pm/dex-js'
+import { SupportedChainId } from '@cowprotocol/cow-sdk'
 
 export type Command = () => void
 export type AnyFunction = (...args: unknown[]) => unknown
 export type Mutation<T> = (original: T) => T
 export type Unpromise<T> = T extends Promise<infer U> ? U : T
 
 //This Enum here is temporary until SupportedChainId is exported
+/*
 export enum Network {
   MAINNET = 1,
   RINKEBY = 4,
   GNOSIS_CHAIN = 100,
 }
+*/
 
-/*
 export const Network = SupportedChainId
 export type Network = SupportedChainId
-*/
 
 export interface TokenDetails extends TokenDex {
   label: string