feat: OMNL Bank online production — 128 chains, Central Bank UI, settlement stack

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend-dapp/src/config/dex.ts

@@ -0,0 +1,71 @@
+/** DBIS Exchange — Chain 138 DEX addresses (Pancake/Uniswap V2 compatible) */
+
+export const DBIS_EXCHANGE_CHAIN_ID = 138;
+
+
+
+export const TOKEN_AGGREGATION_URL =
+
+  import.meta.env.VITE_TOKEN_AGGREGATION_URL || 'http://localhost:3000';
+
+
+
+export const DBIS_EXCHANGE_URL =
+
+  import.meta.env.VITE_DBIS_EXCHANGE_URL || 'http://localhost:3012';
+
+
+
+export const SETTLEMENT_MIDDLEWARE_URL =
+
+  import.meta.env.VITE_SETTLEMENT_MIDDLEWARE_URL || 'http://localhost:3011';
+
+
+
+export const ENHANCED_SWAP_ROUTER_V2 =
+
+  import.meta.env.VITE_ENHANCED_SWAP_ROUTER_V2 ||
+
+  '0xa421706768aeb7fafa2d912c5e10824ef3437ad4';
+
+
+
+export const UNISWAP_V2_ROUTER_138 =
+
+  import.meta.env.VITE_UNISWAP_V2_ROUTER_138 ||
+
+  '0x3019A7fDc76ba7F64F18d78e66842760037ee638';
+
+
+
+export type DexToken = {
+
+  symbol: string;
+
+  name: string;
+
+  address: string;
+
+  decimals: number;
+
+  native?: boolean;
+
+  omnlLine?: string;
+
+  moneyLayer?: string;
+
+  currencyCode?: string;
+
+  swappable?: boolean;
+
+  convertible?: boolean;
+
+  transferableInternal?: boolean;
+
+  transferableExternal?: boolean;
+
+};
+
+
+
+/** Fallback when exchange API unavailable */

frontend-dapp/src/config/supported-chains.ts

@@ -0,0 +1,31 @@
+import { SETTLEMENT_MIDDLEWARE_URL } from './dex';
+
+export type OmnlChainSummary = {
+  chainId: number;
+  name: string;
+  status: string;
+  tier: string;
+  omnlRole: string;
+  nativeSymbol: string;
+  settlement?: { swapEnabled?: boolean; bridgeEnabled?: boolean; m2LoadEnabled?: boolean };
+};
+
+export type ChainRegistryResponse = {
+  brand: string;
+  maxCapacity: number;
+  primaryChainId: number;
+  mirrorChainId: number;
+  stats?: { total: number; active: number; staged: number; reserved: number };
+  chains: OmnlChainSummary[];
+};
+
+export async function fetchOmnlChainRegistry(): Promise<ChainRegistryResponse | null> {
+  try {
+    const base = SETTLEMENT_MIDDLEWARE_URL.replace(/\/$/, '');
+    const res = await fetch(`${base}/api/v1/settlement/chains`);
+    if (!res.ok) return null;
+    return res.json();
+  } catch {
+    return null;
+  }
+}