feat: allow usage of chainId to define network, cleanup

src/provider/sequencer.ts

@@ -45,6 +45,16 @@ import { Block, BlockIdentifier } from './utils';
 
 type NetworkName = 'mainnet-alpha' | 'goerli-alpha' | 'goerli-alpha-2';
 
+export type SequencerProviderOptions =
+  | { network: NetworkName | StarknetChainId }
+  | {
+      baseUrl: string;
+      feederGatewayUrl?: string;
+      gatewayUrl?: string;
+      chainId?: StarknetChainId;
+      headers?: object;
+    };
+
 function isEmptyQueryObject(obj?: Record<any, any>): obj is undefined {
   return (
     obj === undefined ||
@@ -54,15 +64,9 @@ function isEmptyQueryObject(obj?: Record<any, any>): obj is undefined {
   );
 }
 
-export type SequencerProviderOptions =
-  | { network: NetworkName }
-  | {
-      baseUrl: string;
-      feederGatewayUrl?: string;
-      gatewayUrl?: string;
-      chainId?: StarknetChainId;
-      headers?: object;
-    };
+const defaultOptions: SequencerProviderOptions = {
+  network: 'goerli-alpha-2',
+};
 
 export class SequencerProvider implements ProviderInterface {
   public baseUrl: string;
@@ -77,7 +81,7 @@ export class SequencerProvider implements ProviderInterface {
 
   private responseParser = new SequencerAPIResponseParser();
 
-  constructor(optionsOrProvider: SequencerProviderOptions = { network: 'goerli-alpha-2' }) {
+  constructor(optionsOrProvider: SequencerProviderOptions = defaultOptions) {
     if ('network' in optionsOrProvider) {
       this.baseUrl = SequencerProvider.getNetworkFromName(optionsOrProvider.network);
       this.chainId = SequencerProvider.getChainIdFromBaseUrl(this.baseUrl);
@@ -100,13 +104,13 @@ export class SequencerProvider implements ProviderInterface {
     }
   }
 
-  protected static getNetworkFromName(name: NetworkName) {
+  protected static getNetworkFromName(name: NetworkName | StarknetChainId) {
     switch (name) {
-      case 'mainnet-alpha':
+      case 'mainnet-alpha' || StarknetChainId.MAINNET:
         return 'https://alpha-mainnet.starknet.io';
-      case 'goerli-alpha':
+      case 'goerli-alpha' || StarknetChainId.TESTNET:
         return 'https://alpha4.starknet.io';
-      case 'goerli-alpha-2':
+      case 'goerli-alpha-2' || StarknetChainId.TESTNET2:
         return 'https://alpha4-2.starknet.io';
       default:
         return 'https://alpha4.starknet.io';