adding overrides for configs

connect/src/config.ts

@@ -12,6 +12,16 @@ export type WormholeConfig<N extends Network = Network, P extends Platform = Pla
   chains: ChainsConfig<N, P>;
 };
 
+type RecursivePartial<T> = {
+  [P in keyof T]?: T[P] extends (infer U)[]
+    ? RecursivePartial<U>[]
+    : T[P] extends object | undefined
+    ? RecursivePartial<T[P]>
+    : T[P];
+};
+
+export type ConfigOverrides = RecursivePartial<WormholeConfig>;
+
 export const CONFIG = {
   Mainnet: {
     api: "https://api.wormholescan.io",
@@ -41,6 +51,29 @@ export function networkPlatformConfigs<N extends Network, P extends Platform>(
   ) as ChainsConfig<N, P>;
 }
 
+// Apply any overrides to the base config
+export function applyOverrides<N extends Network>(
+  network: N,
+  overrides?: ConfigOverrides,
+): WormholeConfig {
+  let base = CONFIG[network];
+  if (!overrides) return base;
+
+  // recurse through the overrides and apply them to the base config
+  function override(base: any, overrides: any) {
+    for (const [key, value] of Object.entries(overrides)) {
+      if (typeof value === "object" && !Array.isArray(value)) {
+        base[key] = override(base[key], value);
+      } else {
+        base[key] = value;
+      }
+    }
+    return base;
+  }
+
+  return override(base, overrides);
+}
+
 const inNode = typeof process !== "undefined";
 export const DEFAULT_NETWORK: Network =
   (inNode && (process.env["NETWORK"] as Network)) || "Testnet";

connect/src/wormhole.ts

@@ -1,11 +1,11 @@
 import {
   Chain,
+  ChainToPlatform,
   Network,
   Platform,
   PlatformToChains,
   chainToPlatform,
   circle,
-  ChainToPlatform,
 } from "@wormhole-foundation/sdk-base";
 import {
   ChainAddress,
@@ -24,7 +24,7 @@ import {
   toNative,
 } from "@wormhole-foundation/sdk-definitions";
 import { getCircleAttestationWithRetry } from "./circle-api";
-import { CONFIG, DEFAULT_TASK_TIMEOUT, WormholeConfig } from "./config";
+import { ConfigOverrides, DEFAULT_TASK_TIMEOUT, WormholeConfig, applyOverrides } from "./config";
 import { CircleTransfer } from "./protocols/cctpTransfer";
 import { TokenTransfer } from "./protocols/tokenTransfer";
 import { retry } from "./tasks";
@@ -49,9 +49,9 @@ export class Wormhole<N extends Network> {
 
   readonly config: WormholeConfig;
 
-  constructor(network: N, platforms: PlatformUtils<N, any>[], config?: WormholeConfig) {
+  constructor(network: N, platforms: PlatformUtils<N, any>[], config?: ConfigOverrides) {
     this._network = network;
-    this.config = config ?? CONFIG[network];
+    this.config = applyOverrides(network, config);
 
     this._chains = new Map();
     this._platforms = new Map();

core/base/src/constants/nativeChainIds.ts

@@ -281,6 +281,9 @@ export function platformNativeChainIdToNetworkChain<
   const candidates = nativeChainIdToNetworkChain(
     chainId as PlatformToNativeChainIds<P>,
   ) as readonly (readonly [Network, Chain])[];
+
+  console.log(platform, chainId, candidates);
+
   const mustBeSingleton = candidates.filter(([_, chain]) => chainToPlatform(chain) === platform);
   if (mustBeSingleton.length !== 1)
     throw new Error(`Platform ${platform} has multiple chains with native chain id ${chainId}`);

examples/src/config.ts

@@ -0,0 +1,19 @@
+import { Wormhole } from "@wormhole-foundation/connect-sdk";
+import { SolanaPlatform } from "@wormhole-foundation/connect-sdk-solana";
+
+(async function () {
+  // Pass a partial WormholeConfig object to override specific
+  // fields in the default config
+  const wh = new Wormhole("Testnet", [SolanaPlatform], {
+    chains: {
+      Solana: {
+        contracts: {
+          coreBridge: "11111111111111111111111111111",
+        },
+        rpc: "https://api.devnet.solana.com",
+      },
+    },
+  });
+
+  console.log(wh.config.chains.Solana);
+})();