feat: add "default" field in Chain type

Author: PaulRBerg

src/chains/config.ts

@@ -46,6 +46,7 @@ export function fill(slug: string, chain: ViemChain): Sablier.Chain {
     isZK: Boolean(config.zk[chain.id]),
     rpc: {
       alchemy: alchemyRPCs[chain.id],
+      default: chain.rpcUrls.default.http[0],
       infura: infuraRPCs[chain.id],
     },
     slug,

src/types.ts

@@ -25,6 +25,8 @@ export namespace Sablier {
     rpc: {
       /** Alchemy RPC URL generator. */
       alchemy?: (apiKey: string) => string;
+      /** Default RPC URL. */
+      default: string;
       /** Infura RPC URL generator. */
       infura?: (apiKey: string) => string;
     };

tests/chains.test.ts

@@ -85,7 +85,7 @@ describe.runIf(envVarsSet)("Ping JSON-RPC server", () => {
       };
 
       await expect(
-        axios.post(chain.rpcUrls.default.http[0], rpcRequest, {
+        axios.post(chain.rpc.default, rpcRequest, {
           headers: { "Content-Type": "application/json" },
           timeout: 10_000, // 10 seconds
         }),