feat(address): optimize tx search with eth_getTransactionBySenderAndNonce

src/config/rethProviders.ts

@@ -0,0 +1,30 @@
+import { ClientFactory, type EthereumClient } from "@openscan/network-connectors";
+
+/**
+ * Hardcoded reth RPC providers for eth_getTransactionBySenderAndNonce support.
+ * These are separate from user-configured RPCs and used only for nonce-based tx lookups.
+ */
+export const RETH_PROVIDER_URLS = [
+  "https://eth-pokt.nodies.app",
+  "https://eth.api.onfinality.io/public",
+  "https://ethereum.rpc.subquery.network/public",
+];
+
+/** Chain ID where nonce-based transaction lookup is available */
+export const NONCE_LOOKUP_CHAIN_ID = 1;
+
+let rethClient: EthereumClient | null = null;
+
+/**
+ * Get a singleton EthereumClient configured with reth providers using race strategy.
+ * Race strategy means the fastest provider wins each call.
+ */
+export function getRethClient(): EthereumClient {
+  if (!rethClient) {
+    rethClient = ClientFactory.createTypedClient(1, {
+      rpcUrls: RETH_PROVIDER_URLS,
+      type: "race",
+    });
+  }
+  return rethClient;
+}

src/locales/en/address.json

@@ -183,5 +183,7 @@
   "errorResolvingENS": "Error resolving ENS",
   "unknownError": "Unknown error",
   "failedToFetchAddressData": "Failed to fetch address data",
-  "nonce": "Nonce (Transactions Sent)"
+  "nonce": "Nonce (Transactions Sent)",
+  "fetchingSentTxsByNonce": "Fetching sent transactions ({{current}}/{{total}})...",
+  "searchingReceivedTxs": "Searching for received transactions..."
 }

src/locales/es/address.json

@@ -183,5 +183,7 @@
   "errorResolvingENS": "Error al resolver ENS",
   "unknownError": "Error desconocido",
   "failedToFetchAddressData": "No se pudieron obtener los datos de la dirección",
-  "nonce": "Nonce (transacciones enviadas)"
+  "nonce": "Nonce (transacciones enviadas)",
+  "fetchingSentTxsByNonce": "Obteniendo transacciones enviadas ({{current}}/{{total}})...",
+  "searchingReceivedTxs": "Buscando transacciones recibidas..."
 }