Merge pull request #30 from trader-xyz/feat/enable-mainnet

Enables Mainnet support for Swap SDK

Author: johnrjj

src/sdk/v4/NftSwapV4.ts

@@ -164,7 +164,7 @@ class NftSwapV4 implements INftSwapV4 {
 
     invariant(
       zeroExExchangeContractAddress,
-      '0x V3 Exchange Contract Address not set. Exchange Contract is required to load NftSwap'
+      '0x V4 Exchange Contract Address not set. Exchange Contract is required to load NftSwap'
     );
 
     this.exchangeProxyContractAddress = zeroExExchangeContractAddress;

src/sdk/v4/pure.ts

@@ -30,7 +30,9 @@ export const FAKE_ETH_ADDRESS = '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee';
 
 export enum SupportedChainIds {
   Ropsten = 3,
+  Mainnet = 1,
 }
+
 // User facing
 export interface UserFacingERC20AssetDataSerialized {
   tokenAddress: string;