feat: sepolia constants, rpc open change

Author: tabaktoni

src/constants.ts

@@ -20,16 +20,19 @@ export const API_VERSION = ZERO;
 export enum BaseUrl {
   SN_MAIN = 'https://alpha-mainnet.starknet.io',
   SN_GOERLI = 'https://alpha4.starknet.io',
+  SN_SEPOLIA = 'https://alpha-sepolia.starknet.io',
 }
 
 export enum NetworkName {
   SN_MAIN = 'SN_MAIN',
   SN_GOERLI = 'SN_GOERLI',
+  SN_SEPOLIA = 'SN_SEPOLIA',
 }
 
 export enum StarknetChainId {
   SN_MAIN = '0x534e5f4d41494e', // encodeShortString('SN_MAIN'),
   SN_GOERLI = '0x534e5f474f45524c49', // encodeShortString('SN_GOERLI')
+  SN_SEPOLIA = '0x534e5f5345504f4c4941', // encodeShortString('SN_SEPOLIA')
 }
 
 export enum TransactionHashPrefix {
@@ -45,12 +48,14 @@ export const UDC = {
   ENTRYPOINT: 'deployContract',
 };
 
-export const RPC_GOERLI_NODES = [
-  'https://starknet-testnet.public.blastapi.io/rpc/v0.5',
-  'https://limited-rpc.nethermind.io/goerli-juno/v0_5',
-];
-
-export const RPC_MAINNET_NODES = [
-  'https://starknet-mainnet.public.blastapi.io/rpc/v0.5',
-  'https://limited-rpc.nethermind.io/mainnet-juno/v0_5',
-];
+export const RPC_NODES = {
+  SN_GOERLI: [
+    'https://starknet-testnet.public.blastapi.io/rpc/v0.5',
+    'https://limited-rpc.nethermind.io/goerli-juno/v0_5',
+  ],
+  SN_MAIN: [
+    'https://starknet-mainnet.public.blastapi.io/rpc/v0.5',
+    'https://limited-rpc.nethermind.io/mainnet-juno/v0_5',
+  ],
+  SN_SEPOLIA: [],
+};

src/provider/rpc.ts

@@ -2,8 +2,7 @@ import {
   HEX_STR_TRANSACTION_VERSION_1,
   HEX_STR_TRANSACTION_VERSION_2,
   NetworkName,
-  RPC_GOERLI_NODES,
-  RPC_MAINNET_NODES,
+  RPC_NODES,
   StarknetChainId,
 } from '../constants';
 import {
@@ -46,7 +45,7 @@ export const getDefaultNodeUrl = (networkName?: NetworkName, mute: boolean = fal
   if (!mute)
     // eslint-disable-next-line no-console
     console.warn('Using default public node url, please provide nodeUrl in provider options!');
-  const nodes = networkName === NetworkName.SN_MAIN ? RPC_MAINNET_NODES : RPC_GOERLI_NODES;
+  const nodes = networkName ? RPC_NODES[networkName] : RPC_NODES[NetworkName.SN_GOERLI];
   const randIdx = Math.floor(Math.random() * nodes.length);
   return nodes[randIdx];
 };