feat: set testnet2 chain id, cleanup

src/provider/sequencer.ts

@@ -45,15 +45,6 @@ import { Block, BlockIdentifier } from './utils';
 
 type NetworkName = 'mainnet-alpha' | 'goerli-alpha' | 'goerli-alpha-2';
 
-function isEmptyQueryObject(obj?: Record<any, any>): obj is undefined {
- return (
- obj === undefined ||
- Object.keys(obj).length === 0 ||
- (Object.keys(obj).length === 1 &&
- Object.entries(obj).every(([k, v]) => k === 'blockIdentifier' && v === null))
- );
-}
-
 export type SequencerProviderOptions =
  | { network: NetworkName }
  | {
@@ -64,6 +55,19 @@ export type SequencerProviderOptions =
  headers?: object;
  };
 
+function isEmptyQueryObject(obj?: Record<any, any>): obj is undefined {
+ return (
+ obj === undefined ||
+ Object.keys(obj).length === 0 ||
+ (Object.keys(obj).length === 1 &&
+ Object.entries(obj).every(([k, v]) => k === 'blockIdentifier' && v === null))
+ );
+}
+
+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);
@@ -119,6 +123,9 @@ export class SequencerProvider implements ProviderInterface {
  if (url.host.includes('mainnet.starknet.io')) {
  return StarknetChainId.MAINNET;
  }
+ if (url.host.includes('alpha4-2.starknet.io')) {
+ return StarknetChainId.TESTNET2;
+ }
  } catch {
  // eslint-disable-next-line no-console
  console.error(`Could not parse baseUrl: ${baseUrl}`);